CN102336341A - Paper feeder and image forming device using same - Google Patents
Paper feeder and image forming device using same Download PDFInfo
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- CN102336341A CN102336341A CN2010102396325A CN201010239632A CN102336341A CN 102336341 A CN102336341 A CN 102336341A CN 2010102396325 A CN2010102396325 A CN 2010102396325A CN 201010239632 A CN201010239632 A CN 201010239632A CN 102336341 A CN102336341 A CN 102336341A
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Abstract
The invention provides a paper feeder and an image forming device using the same. The paper feeder comprises a base, two side baffle plates arranged on the base and a width adjusting member, wherein the width adjusting member comprises an adjustable locking component and a fixed rack arranged on the base; the adjustable locking component comprises a control part, a rotary adjustable part and a gear, wherein the gear is engaged with the fixed rack; when the rotary adjustable part is controlled by the control part, the gear is in a second state of rotating in only one direction; and when the rotary adjustable part is not controlled by the control part, the gear is in a first state of rotating in two mutually opposite directions. Through the structure, locking of the two side baffle plates is realized when the two side baffle plates are continuously adjusted, so that gaps are not formed between the two sides of a piece of paper in the width direction and the side baffle plates, and the image forming quality is ensured. The invention also provides the image forming device provided with the paper feeder.
Description
Technical field
The present invention relates to a kind of paper feeder, more specifically, relate to a kind of paper feeder and the image processing system that uses it that is used for image processing system.
Background technology
In the prior art; Paper feeder in the image processing system generally includes the base of bearing paper on it; And be arranged on this base, can be close to each other and away from two side shields; These two side shields are conditioned the width that is positioned over the paper on the base to adapt to, thereby guarantee that the paper that is positioned on the base can be not crooked or mobile on Width.In traditional paper feeder, one in two side shields is provided with the engaging tooth bar with a plurality of teeth, and this engaging tooth bar and setting are meshed with respective fixation tooth bar on the base, to realize the locking and unlocking of two side shields.
But, in the prior art, especially forming the field at image, the said fixing tooth bar all forms through resin material with the engaging tooth bar.Further, the tooth bar that forms through resin material at present, its tooth pitch generally all remains on more than the 1mm, and this is because the mode and the material behavior of resin material formation member determine.That is to say; Therefore, when the structure that is meshed through above-mentioned engaging tooth bar and stationary rack locked two side shields, the adjusting of two side shields generally was that unit carries out with 2mm; And be very easy in this case between the inside face of two side shields and paper, form the gap; Thereby cause paper crooked and mobile on Width, perhaps make paper produce fold, the quality that the influence diagram picture forms.
That is to say that in the prior art, because the engaging structure between tooth bar and the tooth bar, the paper that can cause being stacked on the base produces crooked, mobile or fold on Width, thereby the quality that causes image to form descends.
Summary of the invention
The present invention proposes in order to overcome above defective just; An object of the present invention is to provide a kind of paper feeder; Include improved structure in this paper feeder; It can realize the locking to two side shields when regulating two side shields continuously on the Width that is stacked in the paper on the base; Thereby paper the both sides on the Width not can and side shield between have the gap, also just guaranteed paper on Width, can not produce crooked, move or fold, thereby guaranteed the quality that image forms.
According to an aspect of the present invention, a kind of sheet feed tray is provided, comprises: the base that is used for stack paper; With two side shields that are arranged on this base, two side shields face with each other on the Width of paper, and two side shields can be along the Width of paper close to each other or away from; And width adjusting member; This width adjusting member comprises the stationary rack that adjustable locking member that is arranged in two side shields movably on the side shield and the Width along paper that is arranged on the base extend; Adjustable locking member comprises control part, rotation adjustabel part and gear, the stationary rack engagement on gear and the base; The rotation adjustabel part makes gear be in second state when being controlled the control of portion, and at second state, gear only can rotate in one direction, make two side shields can be close to each other and can not away from; The rotation adjustabel part makes gear be in first state when not being controlled the control of portion, and at first state, gear can rotate on reciprocal both direction, make two side shields can be close to each other or away from.
Through such structure; Can when regulating two side shields 2 continuously on the Width that is stacked in the paper on the base, realize locking to two side shields 2; Thereby paper the both sides on the Width not can and side shield 2 between have the gap; Just guaranteed that also paper can not produce crooked, mobile or fold on Width, guaranteed the quality that image forms.Further; Through such structure; Can prevent after the distance between two side shields 2 is accomplished according to paper width adjustment because other situation (for example: maloperation, perhaps in the paper transmission course paper to the reverse resistance of giving side shield 2 etc.) and cause two side shields 2 away from each other along the Width of paper; Make to have the gap between both sides and the side shield 2 of paper, thereby the quality that image forms is brought influence.
Preferably, in sheet feed tray provided by the invention, control part comprises actuating spindle, and an end of this actuating spindle has control mechanism; Gear is fixedly attached to the rotation adjustabel part, so that can rotate along with the rotation of rotation adjustabel part the gear coaxial line; The rotation adjustabel part has its line of centers centre hole consistent with axis, and control mechanism can advance/go out centre hole along center line movement; When the control mechanism of actuating spindle got in the centre hole that rotates adjustabel part, the rotation adjustabel part was controlled the control of portion, makes gear be in second state; When the control mechanism of actuating spindle comes out and when leaving this centre hole, the rotation adjustabel part is not controlled the control of portion, makes gear be in first state from centre hole.
Preferably, in sheet feed tray provided by the invention, the rotation adjustabel part is the needle-type unilateral bearing; The centre hole of rotation adjustabel part is the centre hole of unilateral bearing; Control mechanism is one section shaft part of actuating spindle one end, and the diameter of this shaft part is set at when making this centre hole of the interior entering of this shaft part, and the outer surface of this shaft part contacts with the needle roller of unilateral bearing.
Preferably, in sheet feed tray provided by the invention, control mechanism comprises that also spring, the diameter that extends axially formation from the end face of shaft part along actuating spindle are less than the minor diameter of the diameter of shaft part be positioned at the operating portion of the other end of actuating spindle; When shaft part was positioned at outside the centre hole of needle-type unilateral bearing, minor diameter was positioned at the centre hole of needle-type unilateral bearing, and the outer surface of this minor diameter does not contact with the needle roller of unilateral bearing; One end of spring is fixedly attached to movably on the side shield, and the other end is connected to the end face of minor diameter; When press operating part, make the elastic force of minor diameter antagonistic spring of actuating spindle make shaft part get into the centre hole of unilateral bearing, thereby make gear be in second state; When the pushing of releasing operation portion, the elastic force effect that the minor diameter of actuating spindle receives spring makes shaft part come out and leave this centre hole from centre hole, thereby makes gear be in first state.
Preferably, in sheet feed tray provided by the invention, the centre hole of needle-type unilateral bearing is a circular hole, and shaft part has round section.
Preferably, in sheet feed tray provided by the invention, gear has centre hole, and is fixedly attached to the outer surface of unilateral bearing through the interior perimeter surface of this centre hole.
Preferably, in sheet feed tray provided by the invention, the tooth of rack and pinion is involute profile.
Another object of the present invention provides a kind of image processing system that uses this paper feeder.
According to a further aspect in the invention, a kind of image processing system is provided, it has paper feeder provided by the present invention.
The following purpose that is disclosed according to the present invention, effect, and structure configuration are enumerated preferred embodiment, and conjunction with figs. specifies.
Description of drawings
Fig. 1 is the principle schematic of paper feeder according to an embodiment of the invention;
Fig. 2 is installed in the structural representation in the image processing system for the paper feeder according to the first embodiment of the present invention;
Fig. 3 is the decomposing schematic representation according to the paper feeder of the first embodiment of the present invention;
Fig. 4 is the decomposing schematic representation of paper feeder according to a second embodiment of the present invention.
The specific embodiment
1 to 4 the preferred embodiments of the present invention are described below with reference to accompanying drawings.
< first embodiment >
Shown in Fig. 1 to 3, paper feeder of the present invention comprises base 1, and this base 1 is used for stack paper.Be arranged at two side shields 2 on this base 1; These two side shields 2 face with each other on the Width (like the left and right directions among Fig. 1) of paper (shown in the dotted line among Fig. 1), and two side shields 2 can along the Width of paper relative to each other near or away from.Specifically, as illustrated in fig. 1 and 2, be respectively arranged with a tooth bar 21 that extends along paper width direction on two side shields 2, and these two tooth bars 21 are meshed with sun gear 22 on the base 1 with setting all.When a side shield in two side shields 22 is pushed away/draws and when moving; Through the engagement between tooth bar 21 and the sun gear 22; Drive 2 motions of another side shield, thus make these two side shields 2 can be simultaneously along the Width of paper relative to each other near or away from.Width adjusting member 3; This width adjusting member 3 comprises and is arranged in two side shields 2 movably the stationary rack 4 that the adjustable locking member 3 on 2 (being arranged in the present embodiment, the side shield 2 in Fig. 1 left side) and the Width along paper that is arranged on the said base extend on the side shield.Further, shown in Fig. 2 and 3, adjustable locking member 3 comprises control part 31, rotation adjustabel part 32 and gear 33.Stationary rack 4 engagements on gear 33 and the base 1.When rotation adjustabel part 32 is controlled the control of portion 31, make gear 33 be in second state.Under second state, gear 33 only can rotate in one direction, make two side shields 2 can be close to each other and can not away from.When rotation adjustabel part 32 is not controlled the control of portion 31, make gear 33 be in first state.Under first state, gear 33 can rotate on reciprocal both direction, make two side shields 2 can be close to each other or away from.
Through such structure; Can when regulating two side shields 2 continuously on the Width that is stacked in the paper on the base, realize locking to two side shields 2; Thereby paper the both sides on the Width not can and side shield 2 between have the gap; Just guaranteed that also paper can not produce crooked, mobile or fold on Width, guaranteed the quality that image forms.Further; Through such structure; Can prevent after the distance between two side shields 2 is accomplished according to paper width adjustment because other situation (for example: maloperation, perhaps in the paper transmission course paper to the reverse resistance of giving side shield 2 etc.) and cause two side shields 2 away from each other along the Width of paper; Make to have the gap between both sides and the side shield 2 of paper, thereby the quality that image forms is brought influence.
Specifically, shown in Fig. 2 to 3, in the first embodiment of the present invention, control part 31 comprises actuating spindle 313, and an end of this actuating spindle 313 has control mechanism 3131.Gear 33 is fixedly attached to rotation adjustabel part 32, so that can rotate along with the rotation of rotation adjustabel part 32 gear 33 coaxial lines.Further, this rotation adjustabel part 32 has its line of centers and the consistent centre hole of axis that rotates adjustabel part 32, and control mechanism 3131 can advance/go out this centre hole along this center line movement.When the control mechanism 3131 of actuating spindle 313 got in the centre hole that rotates adjustabel part 32, rotation adjustabel part 32 was controlled the control of portion 31, makes gear 33 be in second state.When the control mechanism 3131 of actuating spindle 313 comes out and when leaving this centre hole, rotation adjustabel part 32 is not controlled the control of portion 31, makes gear 33 be in first state from the centre hole of rotation adjustabel part 32.More specifically; In the first embodiment of the present invention; The rotation adjustabel part 32 be the needle-type unilateral bearing (particularly; This unilateral bearing can adopt " TOK BEARING (brand name) ", and model is the needle-type unilateral bearing of TCM-613, and this unilateral bearing is formed by POM (polyformaldehyde) material and corrosion-resistant steel needle roller).Under the situation that adopts above-mentioned needle-type unilateral bearing, the centre hole of rotation adjustabel part 32 is the centre hole of unilateral bearing.Control mechanism 3131 is one section shaft part of actuating spindle 313 1 ends, and the diameter of this shaft part is set at and makes that the outer surface of this shaft part contacted with the needle roller of unilateral bearing when this shaft part got into this centre hole along the center line movement that rotates adjustabel part 32.Through such structure, when the control mechanism 3131 (that is the shaft part of actuating spindle one end) of actuating spindle 313 does not get into the centre hole of rotation adjustabel part 32; This not onset of unilateral bearing; At this moment, unilateral bearing can rotate on two different directions, thereby makes gear be in first state.And when the shaft part of actuating spindle 313 3131 got into the centre hole of rotation adjustabel parts 32 (in the present embodiment, i.e. unilateral bearing), the outer surface of the shaft part 3131 of actuating spindle 313 contacted with the needle roller of unilateral bearing.Further; When the outer surface of the shaft part 3131 of actuating spindle 313 contacts with the needle roller of unilateral bearing, this unilateral bearing onset, at this moment; Unilateral bearing only can rotate along a direction, thereby the gear 33 that is fixedly attached on this unilateral bearing also only can be along a direction rotation.Through such structure; When shaft part 3131 entering of actuating spindle 313 are rotated adjustabel parts 32 (in the present embodiment; Be unilateral bearing) centre hole the time, rotation adjustabel part (unilateral bearing) 32 is controlled the control (that is, the outer surface of the shaft part 3131 of actuating spindle 313 contacts with the needle roller of unilateral bearing) of portion 31; Make gear 33 be in second state, thereby make that two side shields 2 can only be close to each other and can not be away from each other.That is, lock two side shields at folk prescription on the Width of paper to ground, so that these two side shields can not be away from each other.
More particularly, in the first embodiment of the present invention, the centre hole of rotation adjustabel part 32 is a circular hole, and the shaft part 3131 of control part 313 has round section.But the present invention is not limited to this; Those skilled in the art can be according to practical structures and use needs; Select the cross sectional shape of the control mechanism (shaft part) 3131 of this centre hole that rotates adjustabel part 32 and control part 313 arbitrarily, as long as this control mechanism 3131 can get into the centre hole of rotation adjustabel part 32.
Has aforesaid structure; Can control by 31 pairs of rotations of the control part adjustabel part 32 through having simple structure, thereby can make gear 33 between first state that can rotate on the reciprocal both direction and second state that only can rotate in one direction, switch through shirtsleeve operation.According between two side shields 2 of width adjusting of paper apart from the time; The user can select to make that gear 33 is in second state; With very close to each other between the both sides that guarantee paper and two side shields; With the quality that guarantees that image forms, and can prevent maloperation or have under the situation of external force to make side shield 2 produce undesired displacement.Further, the user can also select at an easy rate to make that gear is in first state, thereby regulates the distance between two side shields arbitrarily according to the size of paper.
Further; As shown in Figure 3; In the paper feeder that first embodiment of the invention provided, control part 31 further comprises spring 314, the diameter that extends axially formation from the end face of control mechanism (shaft part) 3131 along actuating spindle 313 minor diameter and the operating portion 311 that is positioned at the other end of actuating spindle 313 less than the diameter of shaft part 3131.When shaft part 3131 was positioned at outside the centre hole of needle-type unilateral bearing 32, this minor diameter was positioned at the centre hole of unilateral bearing 32, and the outer surface of this minor diameter does not contact with the needle roller of unilateral bearing.In addition, an end of spring 314 is fixedly attached to movably on the side shield 2, and the other end is connected to the end face of minor diameter.When user's press operating part 311, make the elastic force of minor diameter antagonistic spring 314 of actuating spindle 313 make shaft part 3131 get into the centre hole of unilateral bearings 32.Through such structure, can make the shaft part 3131 of actuating spindle 313 get in the centre hole of unilateral bearing 32 through shirtsleeve operation, thereby can control unilateral bearing 32, make gear 33 be in second state.Further; In the time need not making that gear 33 is in second state, the user only need discharge the pushing of operating portion 311, and the minor diameter of actuating spindle 313 just can be under the elastic force effect of spring 314; Make shaft part 3131 come out and leave this centre hole from the centre hole of unilateral bearing 32; At this moment, rotation adjustabel part 32 is not controlled the control of portion 31, makes gear 33 be in first state.In said structure; Because the end face and the spring 314 of minor diameter connect; And in the time of outside shaft part 3131 is positioned at the centre hole that rotates adjustabel part 32; This minor diameter is positioned at the centre hole of rotation adjustabel part 32, and this just can make the bigger shaft part 3131 of diameter can easily get in the centre hole of rotation adjustabel part 32, can not interfere with the end face of unilateral bearing 32 or other members generations on every side owing to the skew of pressing force.
More particularly, in the present embodiment, the centre hole of needle-type unilateral bearing 32 is a circular hole, and shaft part 3131 has round section.But the present invention is not limited to this; Those skilled in the art can use and design demand according to reality; Select the centre hole of this unilateral bearing 32 and the cross sectional shape of shaft part 3131 arbitrarily; As long as shaft part 3131 can insert the centre hole of unilateral bearing 32, and make the outer surface of shaft part 3131 contact to get final product with the needle roller of unilateral bearing.
In addition, in the first embodiment of the present invention, gear 33 has centre hole, and is fixedly attached to the outer surface of unilateral bearing 32 through the interior perimeter surface of this centre hole.But the present invention is not limited to this; Those skilled in the art can be easy to expect; Gear 33 can adopt other form fix to be connected to unilateral bearing 32, and for example, a side of this gear 33 is fixedly attached on the side surface of unilateral bearing 32; As long as be fixedly attached to unilateral bearing 32,, gear 33 gets final product so that can rotating along with the rotation of unilateral bearing 32 with making gear 33 coaxial lines.
More specifically; The first embodiment of the present invention also proposes to have the function part of catch gear; As shown in Figure 3; Comprising as the column operating handle 311 of operating portion, operating sleeve 312 and the spring 314 that the center has manhole; And the end near operating handle 311 of actuating spindle 313 is cylindrical, on the outer surface of actuating spindle 313, be formed with near an end of operating handle 311 each interval, evenly distributed on the circumferencial direction of this end, along axially extended a plurality of strip actuating spindles protruding 3132 of this end.It is protruding 3111 that operating handle 311 is formed with the continuous zig-zag handle that extends along its neighboring near an end of actuating spindle 313, and that the interior perimeter surface of the manhole of operating sleeve 312 is formed with is a plurality of each intervals, evenly distributed on the circumferencial direction of manhole, along axially extended a plurality of strip sleeves protruding (not shown) of manhole.Wherein, the protruding number of sleeve is more than or equal to the number of handle protruding 3111, and in a plurality of sleeve convexity adjacent two sleeve convexity intervals in a circumferential direction greater than each actuating spindle protruding 3132 width in a circumferential direction.End near operating handle 311 of each actuating spindle protruding 3132 all is formed with the inclined-plane suitable with handle protruding 3111.And the protruding end near actuating spindle 313 of each sleeve all is formed with the inclined-plane suitable with actuating spindle protruding 3132.Spring 314 is arranged in the centre hole of rotation adjustabel part 32; One end of spring 314 is fixedly attached to movably on the side shield 2; The other end and actuating spindle 313 connect away from an end of operating handle 311, and promptly the end face with the minor diameter of actuating spindle 313 connects.More particularly, as shown in Figure 3, in the present embodiment, operating handle 311, operating sleeve 312, actuating spindle 313, spring 314 are arranged in order with such order.Through such structure; The user presses operating handle 311; Make the inclined-plane of protruding 3,132 one ends of actuating spindle of handle protruding 3111 and actuating spindle 313 of an end of this operating handle 311 contact; And the elastic force that overcomes spring 314 together is along the axial motion of the centre hole of rotation adjustabel part 32 (that is the downward direction in Fig. 3).Meanwhile, the handle protruding 3111 of the inclined-plane of an end of this actuating spindle protruding 3132 and an end of handle 311 is suitable, so that angle of actuating spindle 313 rotations.Further, continue to press operating handle 311, actuating spindle 313 continues to move downward, and is adaptive with the respective ramp of sleeve convexity one end up to the inclined-plane of an end of the actuating spindle of actuating spindle 313 protruding 3132.Unclamp operation handle 311, the inclined-plane of an end of the actuating spindle of this actuating spindle 313 protruding 3132 makes that this actuating spindle 313 can upward movement on the inclined-plane that is resisted against the protruding end of sleeve under the effect of spring 314.At this moment, the control mechanism of actuating spindle 313 3131 gets in the centre hole of rotation adjustabel parts 32 so that should 32 onsets of rotation adjustabel part (unilateral bearing), thereby make gear 33 only be in can unidirectional rotation second state.At this moment, two side shields 2 only can move along direction close to each other.
Further, for the inclined-plane of an end of the actuating spindle of removing actuating spindle 313 protruding 3132 and the butt on the inclined-plane of sleeve convexity one end, so that gear is in first state that can on reciprocal both direction, rotate.The user presses operating handle 311; Make the inclined-plane of protruding 3,132 one ends of actuating spindle of handle protruding 3111 and actuating spindle 313 of an end of this operating handle 311 contact; And the elastic force that overcomes spring 314 together along the axial motion of the centre hole of rotation adjustabel part 32 (promptly; Downward direction in Fig. 3), thus the inclined-plane of the inclined-plane of an end of actuating spindle protruding 3132 and sleeve convexity one end disengages.Meanwhile, the handle protruding 3111 of the inclined-plane of an end of this actuating spindle protruding 3132 and an end of handle 311 is suitable, so that angle of actuating spindle 313 rotations.Unclamp operation handle 311; Actuating spindle 313 under the effect of spring 314 along the rotation adjustabel part 32 centre hole axis to doing exercises (promptly; And actuating spindle protruding 3132 gets between two adjacent sleeve convexity intervals in a circumferential direction upwards direction in Fig. 3).Like this, the control mechanism of actuating spindle 313 leaves the centre hole of rotation adjustabel part 32, thus first state that makes gear 33 be in can in two directions to rotate.At this moment, two side shields 2 can along close to each other/away from direction move.
More than be exactly specifying to first embodiment of the invention; According to the paper feeder that first embodiment of the invention provided; Can control the adjustable locking member that is arranged on side shield of paper feeder through simple structure; Thereby can when regulating two side shields 2 continuously, realize locking to two side shields 2 along the Width that is stacked in the paper on the base; So that paper the both sides on the Width not can and side shield 2 between have the gap, guaranteed paper on Width, can not produce crooked, move or fold, thereby guaranteed the quality that image forms.Further; Through such structure; Can prevent after the distance between two side shields 2 is accomplished according to paper width adjustment because other situation (for example: maloperation, perhaps in the paper transmission course paper to the reverse resistance of giving side shield 2 etc.) and cause two side shields 2 along the Width of paper raw material each other; Make to have the gap between 2 of paper and side shields, thereby the quality that image forms is brought influence.
In addition; In the above embodiment of the present invention, actuating spindle can comprise the two sectional type stepped shaft structure with the bigger shaft part of diameter (that is control mechanism) and minor diameter; This minor diameter than the bigger shaft part of diameter more near the rotation adjustabel part (promptly; And when the bigger shaft part of diameter was not positioned at the centre hole of unilateral bearing, this minor diameter was positioned at the centre hole of unilateral bearing unilateral bearing).Further, the external diameter of the shaft part that diameter is bigger is Φ a, and the external diameter of minor diameter is Φ b, and the centre hole internal diameter of unilateral bearing is Φ c.The contriver learns through overtesting; When below the relation between the centre hole internal diameter of the external diameter of the external diameter of the bigger shaft part of diameter, minor diameter and rotation adjustabel part satisfies, concerning; The shaft part that diameter is bigger can successfully get into the centre hole of unilateral bearing, and can guarantee that the outer surface of the shaft part that this diameter is bigger contacts with the needle roller of unilateral bearing; Further, can guarantee can not contact when minor diameter is positioned at the centre hole of unilateral bearing, thereby guarantee that the foregoing description can obtain preferable effect with the needle roller of unilateral bearing:
Φc-Φa＜＝0.05mm；Φc-Φb＞＝0.3mm。
< second embodiment >
To describe with reference to 4 pairs of second embodiment of the invention of back accompanying drawing below, and adopt identical or similar numbering with the similar structure of first embodiment among this second embodiment, and omitted explaining them.Below will be only to the explanation that makes an explanation of this second embodiment and the first embodiment different portions.
As shown in Figure 4, the second embodiment of the present invention and the first embodiment different portions are to rotate the concrete structure of adjustabel part.In the second embodiment of the present invention, rotation adjustabel part 52 is the spring coil power-transfer clutch, and this spring coil power-transfer clutch comprises: input shaft 521, output shaft 522, spring 523 and sleeve 524.Output shaft 522 and input shaft 521 are connected to each other through bayonet fitting, so that output shaft 522 can rotate with input shaft 521 relatively.Sleeve 524 is linked on the spring 523.One end of spring 523 is fixedly attached on the input shaft 521, and the other end of spring 523 is fixedly attached on the sleeve 524.The coil sections of spring 523 is wrapped in the end near input shaft 521 (that is the upper end among Fig. 4) of output shaft 522; Gear 33 has centre hole, and the interior perimeter surface of this centre hole is fixedly attached to the end away from input shaft 521 (that is the bottom among Fig. 4) of the output shaft 522 of spring coil power-transfer clutch.In the present embodiment, the centre hole of rotation adjustabel part 52 is formed in the hole at input shaft 521 centers of spring coil power-transfer clutch.When the control mechanism of actuating spindle 513 got into the centre hole (that is, the centre hole of input shaft 521) of rotation adjustabel part, actuating spindle 513 can not rotate with input shaft 521 relatively.
More particularly, as shown in Figure 4 in the present embodiment, the centre hole of rotation adjustabel part 52 is D shape hole, and the control mechanism of actuating spindle 513 is the shaft part with D tee section.Through such structure, when the control mechanism of actuating spindle 513 got into the centre hole of rotation adjustabel part 52, actuating spindle 513 can not rotate with input shaft 521 relatively.But the present invention is not limited to this; Those skilled in the art can be according to actual design and use needs; Select the cross sectional shape of the control mechanism of this centre hole that rotates adjustabel part and actuating spindle 513 arbitrarily; When as long as the control mechanism of this actuating spindle 513 can get into the centre hole of rotation adjustabel part, actuating spindle 513 can not rotate relatively with input shaft 521 and get final product.
More particularly; In the present embodiment; Actuating spindle 513 also has along the extending axially of control mechanism, from the outside direction protrusion 5131 of protrusion of the outer surface of actuating spindle 513; When the control mechanism of actuating spindle 513 got into the centre hole of rotation adjustabel part 52, this direction protrusion 5131 got into suitable guiding recess (not shown) on the base 1.Through such structure; When the control mechanism of actuating spindle 513 gets into the centre hole of rotation adjustabel part 52; The guiding recess that this direction protrusion 5131 gets on the fixing base 1; Thereby make actuating spindle 513 not rotate, and make that further the input shaft 521 of spring coil power-transfer clutch can not be with respect to base 1 rotation with respect to base 1.Propose to use above-mentioned direction protrusion 5131 in the present embodiment; But the present invention is not limited to this; Those skilled in the art can select similar structures arbitrarily according to reality use and design demand; For example can on the outer surface of actuating spindle 513, form a plurality of direction protrusions, perhaps on the outer surface of actuating spindle 513, form groove, and on base 1, form corresponding projection or the like; As long as can make actuating spindle 513 when control mechanism gets into the centre hole of rotation adjustabel part 52, actuating spindle 513 can not get final product with respect to base 1 rotation.
Have said structure,, make this actuating spindle 513 to move, and can not rotate with respect to base 1 along the bearing of trend (that is, the above-below direction among Fig. 4) of direction protrusion 5131 because actuating spindle 513 is provided with direction protrusion 5131.Thereby; When actuating spindle 513 moves downward; In the time of in the centre hole of the input shaft 521 of the control mechanism of actuating spindle 513 (shaft part) entering spring coil power-transfer clutch,, cause the input shaft 521 of spring coil power-transfer clutch to rotate because actuating spindle 513 can only move along above-below direction; Thereby an end that is fixedly attached to the spring 523 on the input shaft 521 also is fixed, and can not rotate.Further, the other end of spring 523 is fixedly attached on the sleeve 524, and this sleeve 524 can rotate around input shaft 521, thereby the other end of this spring 523 can rotate with respect to base 1.Further; Because the coil sections of spring 523 is wrapped on the end near input shaft 521 (that is, the upper end among Fig. 4) of output shaft 522, and gear 33 be fixedly attached to the spring coil power-transfer clutch output shaft 522 away from an end of input shaft 521 (promptly; Bottom among Fig. 4); Thereby when output shaft 522 during along a direction (that is, the clockwise direction among Fig. 4 when input shaft 521 1 is looked sideways) rotation, spring 523 can tighten up; Thereby locking output shaft 522, then output shaft 522 is stoped by spring 523 along the rotation of this direction.And when output shaft 522 along with the opposite sense of this direction (promptly; Anticlockwise direction among Fig. 4 when input shaft 521 1 is looked sideways) during rotation; Spring 523 can loosen; Thereby have the gap between the inside face of the appropriate section of the outer surface of output shaft 522 and spring 523, thereby this output shaft 522 can rotate freely along this direction.Has such structure; The user can control through 513 pairs of rotations of actuating spindle adjustabel part; Be in second state that only can rotate in one direction so that be fixedly attached to the gear 33 of output shaft 522, to obtain identical technique effect with above-mentioned first embodiment.
In the foregoing description, with reference to accompanying drawing the structure of first and second preferred embodiments of the present invention has been carried out explanation particularly, but this is not qualification of the present invention.To those skilled in the art, can carry out various modification or improvement to the foregoing description and do not depart from the scope of the present invention.
For example, in the foregoing description, used structure to realize the control of control part to the rotation adjustabel part with operating handle, operating sleeve and spring.But the present invention is not limited to this, and in order to realize the control of control part to the rotation adjustabel part, those skilled in the art are easy to expect utilizing other structures to realize this function.For example, the user can be between control part and rotation adjustabel part type of setting like the fit structure between spring leaf and the groove, with the realization control part to rotating the control of adjustabel part; Perhaps, form outside thread in the periphery of the member (for example, actuating spindle) of control part, and form the helicitic texture of negative thread at the centre hole of rotation adjustabel part; Perhaps form and have the stage portion on inclined-plane and be formed with in the upper end of actuating spindle along the inclined-plane engaging structure of the stage portion with inclined-plane of inclined or the like various structure in the operating handle lower end of class such as above-mentioned embodiment.To sum up, the control part that proposes among the present invention can adopt the various technological means commonly used in this area to realize to the control of rotation adjustabel part, and is not limited in the ad hoc structure that proposes in the above embodiment of the present invention.
Further; In the above embodiment of the present invention; Proposed to use unilateral bearing or spring coil power-transfer clutch as the instantiation that rotates adjustabel part; But the present invention is not limited to this, and those skilled in the art can be according to the design and use requirement, selects arbitrarily or use various structures to rotate adjustabel part as this.For example, can adopt this rotation adjustabel part of ratchet device effect, specifically; Week is formed with along the circumferential direction the internal tooth that extends towards a side in the centre hole of gear, and control part be provided with can with the ratchet of this internal gearing, through such structure; When the rotation adjustabel part need make that gear is in second state; The ratchet of control desk be in can with the position of the internal gearing of gear, under such state, gear is when the bearing of trend rotation of this internal tooth; The internal tooth of gear and the ratchet of control part mesh and are locked, thereby gear can not be along this direction rotation; Further, when gear during towards opposite spin, ratchet can not get between the internal tooth of gear, thereby gear can be along this opposite spin.In addition, can also use structures such as the magnetic clutch that for example has stop gear, limiting device, perhaps type of setting as little ratchet or unilateral bearing or the like similar structures on the sidewall of gear.As long as can make control part to the rotation adjustabel part when controlling gear only be in can second state of unidirectional rotation under.
More than be preferred embodiment of the present invention and accompanying drawing; Have only preferred embodiment and accompanying drawing by casehistory; It is not the interest field that is used to limit the present invention's technology; All interest fields that is contained with identical technological means or for following claim content are implemented, and all do not break away from category of the present invention but applicant's interest field.
Claims (8)
1. sheet feed tray, comprising
The base that is used for stack paper; With
Be arranged at two side shields on this base, said two side shields face with each other on the Width of paper, and said two side shields can be along the Width of said paper close to each other or away from; And
Width adjusting member, this width adjusting member comprise the adjustable locking member and the stationary rack that the Width that is arranged at the said paper in edge on the said base extends that is arranged in said two side shields movably on the side shield, it is characterized in that,
Said adjustable locking member comprises control part, rotation adjustabel part and gear, the stationary rack engagement on said gear and the said base; When said rotation adjustabel part receives the control of said control part, make said gear be in second state, at said second state, said gear only can rotate in one direction, make said two side shields can be close to each other and can not away from; When said rotation adjustabel part does not receive the control of said control part, make said gear be in first state, at said first state, said gear can rotate on reciprocal both direction, make said two side shields can be close to each other or away from.
2. sheet feed tray as claimed in claim 1 is characterized in that said control part comprises actuating spindle, and an end of this actuating spindle has control mechanism; Said gear is fixedly attached to said rotation adjustabel part, so that can rotate along with the rotation of said rotation adjustabel part said gear coaxial line; Said rotation adjustabel part has its line of centers centre hole consistent with said axis, and said control mechanism can advance/go out said centre hole along said center line movement;
When the control mechanism of said actuating spindle got in the centre hole of said rotation adjustabel part, said rotation adjustabel part received the control of said control part, makes said gear be in second state; When the control mechanism of said actuating spindle comes out and when leaving this centre hole, said rotation adjustabel part does not receive the control of said control part, makes said gear be in first state from said centre hole.
3. sheet feed tray as claimed in claim 2 is characterized in that, said rotation adjustabel part is the needle-type unilateral bearing; The centre hole of said rotation adjustabel part is the centre hole of said unilateral bearing; Said control mechanism is one section shaft part of said actuating spindle one end, and the diameter of this shaft part is set at when making this centre hole of the interior entering of this shaft part, and the outer surface of this shaft part contacts with the needle roller of said unilateral bearing.
4. sheet feed tray as claimed in claim 3; It is characterized in that said control mechanism comprises that also spring, the diameter that extends axially formation from the end face of said shaft part along said actuating spindle are less than the minor diameter of the diameter of said shaft part be positioned at the operating portion of the other end of said actuating spindle; When said shaft part was positioned at outside the centre hole of said needle-type unilateral bearing, said minor diameter was positioned at the centre hole of said needle-type unilateral bearing, and the outer surface of this minor diameter does not contact with the needle roller of said unilateral bearing; One end of said spring is fixedly attached on said movably side shield, and the other end is connected to the end face of said minor diameter; When pushing said operating portion, the elastic force that makes the minor diameter of said actuating spindle resist said spring makes said shaft part get into the centre hole of said unilateral bearing, thereby makes said gear be in second state; When discharging the pushing of said operating portion, the elastic force effect that the minor diameter of said actuating spindle receives said spring makes said shaft part come out and leave this centre hole from said centre hole, thereby makes said gear be in first state.
5. sheet feed tray as claimed in claim 3 is characterized in that, the centre hole of said needle-type unilateral bearing is a circular hole, and said shaft part has round section.
6. sheet feed tray as claimed in claim 5 is characterized in that said gear has centre hole, and is fixedly attached to the outer surface of said unilateral bearing through the interior perimeter surface of this centre hole.
7. like each described sheet feed tray in the claim 1 to 6, it is characterized in that the tooth of said tooth bar and said gear is involute profile.
8. image processing system, it has like each the described paper feeder in the claim 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010239632.5A CN102336341B (en) | 2010-07-21 | 2010-07-21 | Paper feeder and image forming device using same |
| JP2011158846A JP5782891B2 (en) | 2010-07-21 | 2011-07-20 | Paper feeding device and image forming apparatus using the paper feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010239632.5A CN102336341B (en) | 2010-07-21 | 2010-07-21 | Paper feeder and image forming device using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102336341A true CN102336341A (en) | 2012-02-01 |
| CN102336341B CN102336341B (en) | 2014-04-02 |
Family
ID=45512358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010239632.5A Expired - Fee Related CN102336341B (en) | 2010-07-21 | 2010-07-21 | Paper feeder and image forming device using same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5782891B2 (en) |
| CN (1) | CN102336341B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104418118A (en) * | 2013-08-22 | 2015-03-18 | 京瓷办公信息系统株式会社 | Sheet loading unit, sheet transport device, and image forming apparatus including the same |
| CN104708911A (en) * | 2013-12-16 | 2015-06-17 | 山东新北洋信息技术股份有限公司 | Card width adjustment mechanism and card printer with same |
| CN104909187A (en) * | 2014-03-14 | 2015-09-16 | 株式会社理光 | Paper carrier and image forming device |
| CN104934142A (en) * | 2015-06-24 | 2015-09-23 | 无锡锡洲电磁线有限公司 | Lining paper sampling device for cable core production of electromagnetic wire |
| CN104934154A (en) * | 2015-06-24 | 2015-09-23 | 无锡锡洲电磁线有限公司 | U-shaped lining paper adding device for copper strap wire |
| CN105314414A (en) * | 2014-06-05 | 2016-02-10 | 虹光精密工业股份有限公司 | Paper feeding device |
| CN105905635A (en) * | 2015-02-25 | 2016-08-31 | 兄弟工业株式会社 | Sheet supporting device and sheet conveying device |
| CN105947724A (en) * | 2016-06-23 | 2016-09-21 | 珠海极速电子科技有限公司 | Medium width limiting mechanism |
| CN106980881A (en) * | 2017-05-10 | 2017-07-25 | 湖南长城信息金融设备有限责任公司 | Position-limit mechanism |
| CN105905635B (en) * | 2015-02-25 | 2019-07-16 | 兄弟工业株式会社 | Sheet support device and sheet material conveyor |
| CN110713034A (en) * | 2018-07-13 | 2020-01-21 | 株式会社理光 | Sheet holding device, sheet feeding device, and image forming apparatus |
| CN111845074A (en) * | 2020-08-04 | 2020-10-30 | 刘志琦 | A jet printing machine |
| CN114834804A (en) * | 2021-02-01 | 2022-08-02 | 江苏迅捷装具科技有限公司 | Dynamic medicine storage device of vertical intelligent pharmacy |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104418118B (en) * | 2013-08-22 | 2017-04-12 | 京瓷办公信息系统株式会社 | Sheet loading unit, sheet transport device, and image forming apparatus including the same |
| CN104418118A (en) * | 2013-08-22 | 2015-03-18 | 京瓷办公信息系统株式会社 | Sheet loading unit, sheet transport device, and image forming apparatus including the same |
| CN104708911A (en) * | 2013-12-16 | 2015-06-17 | 山东新北洋信息技术股份有限公司 | Card width adjustment mechanism and card printer with same |
| WO2015090093A1 (en) * | 2013-12-16 | 2015-06-25 | 山东新北洋信息技术股份有限公司 | Card width adjustment mechanism and card printer using same |
| CN104708911B (en) * | 2013-12-16 | 2017-04-12 | 山东新北洋信息技术股份有限公司 | Card width adjustment mechanism and card printer with same |
| CN104909187A (en) * | 2014-03-14 | 2015-09-16 | 株式会社理光 | Paper carrier and image forming device |
| CN104909187B (en) * | 2014-03-14 | 2018-01-09 | 株式会社理光 | With paper mounting apparatus and image processing system |
| CN105314414A (en) * | 2014-06-05 | 2016-02-10 | 虹光精密工业股份有限公司 | Paper feeding device |
| CN105314414B (en) * | 2014-06-05 | 2017-09-22 | 虹光精密工业股份有限公司 | Paper feeding device |
| CN105905635B (en) * | 2015-02-25 | 2019-07-16 | 兄弟工业株式会社 | Sheet support device and sheet material conveyor |
| CN105905635A (en) * | 2015-02-25 | 2016-08-31 | 兄弟工业株式会社 | Sheet supporting device and sheet conveying device |
| CN104934142A (en) * | 2015-06-24 | 2015-09-23 | 无锡锡洲电磁线有限公司 | Lining paper sampling device for cable core production of electromagnetic wire |
| CN104934142B (en) * | 2015-06-24 | 2017-03-22 | 无锡锡洲电磁线有限公司 | Lining paper sampling device for cable core production of electromagnetic wire |
| CN104934154A (en) * | 2015-06-24 | 2015-09-23 | 无锡锡洲电磁线有限公司 | U-shaped lining paper adding device for copper strap wire |
| CN105947724A (en) * | 2016-06-23 | 2016-09-21 | 珠海极速电子科技有限公司 | Medium width limiting mechanism |
| CN105947724B (en) * | 2016-06-23 | 2017-11-28 | 珠海恒全条码设备有限公司 | Media width position-limit mechanism |
| CN106980881A (en) * | 2017-05-10 | 2017-07-25 | 湖南长城信息金融设备有限责任公司 | Position-limit mechanism |
| CN106980881B (en) * | 2017-05-10 | 2024-02-13 | 长城信息股份有限公司 | Limiting mechanism |
| CN110713034A (en) * | 2018-07-13 | 2020-01-21 | 株式会社理光 | Sheet holding device, sheet feeding device, and image forming apparatus |
| US11279573B2 (en) | 2018-07-13 | 2022-03-22 | Ricoh Company, Ltd. | Sheet holder, sheet feeding device incorporating the sheet holder, and image forming apparatus incorporating the sheet holder |
| CN111845074A (en) * | 2020-08-04 | 2020-10-30 | 刘志琦 | A jet printing machine |
| CN111845074B (en) * | 2020-08-04 | 2021-07-16 | 常州市双鹤医用包装科技有限公司 | A jet printing machine |
| CN114834804A (en) * | 2021-02-01 | 2022-08-02 | 江苏迅捷装具科技有限公司 | Dynamic medicine storage device of vertical intelligent pharmacy |
| CN114834804B (en) * | 2021-02-01 | 2024-04-26 | 江苏迅捷装具科技有限公司 | Dynamic medicine storage device of vertical intelligent pharmacy |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5782891B2 (en) | 2015-09-24 |
| JP2012025590A (en) | 2012-02-09 |
| CN102336341B (en) | 2014-04-02 |
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