CN103934776A - Bi-directional spanner - Google Patents
Bi-directional spanner Download PDFInfo
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- CN103934776A CN103934776A CN201310020308.8A CN201310020308A CN103934776A CN 103934776 A CN103934776 A CN 103934776A CN 201310020308 A CN201310020308 A CN 201310020308A CN 103934776 A CN103934776 A CN 103934776A
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- ratchet
- pawl element
- main shaft
- ratchet face
- face
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- 238000000034 method Methods 0.000 abstract description 2
- 241000237509 Patinopecten sp. Species 0.000 description 4
- 235000020637 scallop Nutrition 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/467—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member which are gear-operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a bi-directional spanner. According to the bi-directional spanner, two working modes are achieved and can be conveniently converted. In the using process of the bi-directional spanner, input moment input by a user is alternately clockwise moment or anti-clockwise moment. Output moment of the output end of the bi-directional spanner is alternatively clockwise moment or anti-clockwise moment.
Description
Technical field
The present invention relates to hand-operated tools, relate in particular to a kind of Two-way spanner.
Background technology
In the use of general screwdriver, torque spanner and so on hand-operated tools, the motion of hand in rotation direction has certain limit, can not be to continue to carry out along a direction.In this class instrument, the turning cylinder of handle is coaxial with main shaft, is generally such: first when use, with hand for example, towards the direction turning handle of certain hope (tighten or unclamp a screw), then,, by hand reverse rotation, this instrument is reorientated to enter next circulation.At the Part II of above-mentioned circulation, the reverse rotation of hand can be again to hold after decontroling handle again, can be also in instrument, to be furnished with the non-return devices such as ratchet face mechanism, and while making handle reversion, main shaft is motionless, can also be after this instrument and screw disengaging, to insert again.In any case but the reverse rotation of hand can not bring the effective exercise of securing member, therefore becomes the action being wasted.
US Patent No. 5931062 discloses a kind of mechanical transducer, comprises a main shaft; And be arranged on two driving elements on main shaft, between each driving element and main shaft, be inserted with an one-way clutch, and two one-way clutch of this on main shaft are identical with the direction of engagement of main shaft, make when any driving element is during to this direction rotation, main shaft all can be dragged to a direction and be rotated, and when driving element is during to opposite spin, main shaft is idle running relatively; Also comprise a whirligig along main-shaft axis configuration, this whirligig driving element selected with engages; Also comprise a switching mechanism, this switching mechanism and two driving elements are connected simultaneously, force these two driving elements always to counter-rotate, so that dragging main shaft, a driving element rotates, another driving element idle running, make no matter driver part to which direction rotation, main shaft is all always to a direction rotation, thereby the rotating of whirligig (for example handle) is all converted to the one-directional rotation of main shaft.This mechanical transducer can effectively utilize the rotation of any direction of whirligig, and also, no matter handle clockwise rotates or rotates counterclockwise, main shaft all rotates facing one direction, thereby has greatly improved the sport efficiency of hand, has saved the operating time.
But, the conversion equipment of this invention can only make main shaft rotate toward the direction, this is also not suitable with the needs that main shaft rotates on both direction, for example, while application as torque spanner, need to tighten or loosening fasteners, and the torque spanner that the conversion equipment of this invention is installed is that the result obtaining by the operation of the tightening fastener parts to conventional spanner or the operation of loosening fasteners is all tightening fastener parts (or loosening fasteners).If the torque spanner that is desirably in the conversion equipment that this invention is installed can be realized the operation of tightening fastener parts and loosening fasteners, admissible settling mode can only be that (being the two ends of operate portions) all arranges output at the two ends of the main shaft of this torque spanner, wherein one end is for the operation of tightening fastener parts, and the other end is for the operation of loosening fasteners.And such design is burdensome, owing to should be noted that the output of selecting to be applicable to requirement, also extremely inconvenient when use.
Therefore, those skilled in the art is devoted to develop a kind of Two-way spanner that can switch easily main shaft rotation direction.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of Two-way spanner, realizes the main shaft rotation direction of switching easily torque spanner.
For achieving the above object, the invention provides a kind of Two-way spanner, comprise operate portions and handle, described operate portions comprises main shaft, described main shaft for output torque and its axis perpendicular to described handle, driving gear, driven gear, intermediate gear shaft and idler gear, described driving gear, driven gear and intermediate gear shaft are all set on described main shaft, the axis of described intermediate gear shaft is vertical with the axis of described main shaft, described idler gear is arranged on described intermediate gear shaft, and be engaged in transmission between described driving gear and described driven gear, wherein said handle drives described driving gear to rotate, described intermediate gear shaft is installed with a grip device outward, when gripping described grip device, rotate described handle while driving described driving gear to rotate, described driving gear drives described driven gear reverse rotation by described idler gear, the first ratchet face rotating together with driving gear, and the second ratchet face rotating together with driven gear, the first pawl element and second pawl element that can drive described main shaft to rotate, wherein said the first pawl element has the first ratchet and the second ratchet that optionally coordinate with described the first ratchet face, wherein said the first ratchet skids with described the first ratchet face in a first direction, in second direction, engage transmission with described the first ratchet face, described the second ratchet engages transmission with described the first ratchet face in a first direction, in second direction, skids with described the first ratchet face, described the second pawl element has the 3rd ratchet and the 4th ratchet that optionally coordinate with described the second ratchet face, wherein said the 3rd ratchet skids with described the first ratchet face in a first direction, in second direction, engage transmission with described the first ratchet face, described the 4th ratchet engages transmission with described the first ratchet face in a first direction, in second direction, skids with described the first ratchet face, reversing switch, described reversing switch can be arranged on the first state and the second state by described the first pawl element and described the second pawl element, under described the first state, described the first ratchet and described the 3rd ratchet coordinate with described the first ratchet face and the second ratchet face respectively simultaneously, under described the second state, described the second ratchet and described the 4th ratchet coordinate with described the first ratchet face and the second ratchet face respectively simultaneously, described first direction is clockwise or counterclockwise, described second direction be with first party in the opposite direction.
In a further embodiment, described handle has toroidal head portion, and described the first ratchet face is arranged on the inner ring of described toroidal head portion.
In a further embodiment, described the first ratchet face is arranged on the inner ring of described driving gear.
In a further embodiment, described the second ratchet face is arranged on the inner ring of described driven gear.
In a further embodiment, described grip device is gripper rings.
In a further embodiment, described the first pawl element and/or the second pawl element are fan-shaped.
In a further embodiment, described the first pawl element and the second pawl element are arranged on countershaft, and the axis of described countershaft is parallel with described main shaft and do not overlap with described main shaft, and described countershaft and described main shaft are connected, and can drive described main shaft to rotate.
In a further embodiment, described countershaft is located among described main shaft.
In a further embodiment, described reversing switch comprises newel, the first bulb plunger and the second bulb plunger, described newel is placed through in described main shaft, described the first bulb plunger and described the second bulb plunger are fixed on described newel successively, and described the first bulb plunger and described the second bulb plunger coordinate with described the first pawl element and the second pawl element respectively.
In a further embodiment, in described the first bulb plunger and described the second bulb plunger, be provided with spring.
Two-way spanner of the present invention has been realized two kinds of mode of operations and can between two kinds of mode of operations, have been changed easily.In the time of use Two-way spanner of the present invention, the input torque of user's input is clockwise moment alternately or counter clockwise direction moment, and the output torque of the output of Two-way spanner of the present invention is alternatively clockwise moment and counter clockwise direction moment.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the front view of Two-way spanner of the present invention.
Fig. 2 is the sectional view of the Two-way spanner shown in Fig. 1.
Fig. 3 has shown the transmission device in Two-way spanner of the present invention.
Fig. 4 has shown the reversing arrangement in Two-way spanner of the present invention.
Fig. 5 has shown the main shaft that the first pawl element and the second pawl element have been installed.
Fig. 6 is the front view of the first pawl element in Fig. 5.
Fig. 7 has shown that Two-way spanner of the present invention is in the time of the first mode of operation, coordinating between the first pawl element and the first ratchet face.
Fig. 8 has shown the turn-button of the mode of operation for changing Two-way spanner of the present invention.
Fig. 9 has shown the stopping means in Two-way spanner of the present invention.
Figure 10 is the side view of the stopping means shown in Fig. 9.
Detailed description of the invention
As illustrated in fig. 1 and 2, comprise handle 20 and operate portions 10 according to the Two-way spanner of a specific embodiment of the present invention, the extending longitudinally and head 21(by its ring-type of handle 20 is referring to Fig. 3) be socketed on operate portions 10.Operate portions 10 inside are provided with main shaft 100, outside is provided with gripper rings 102.One end of main shaft 100 is the output 101 extending to outside the head 21 of operate portions 10 and handle 20.Output 101 can be by installing different sleeves to be configured to be applicable to operate the configuration of the various securing members such as exterior angle screw.
The reversing arrangement that Two-way spanner of the present invention comprises transmission device and connects with it, be sent to the main shaft 100 of operate portions 10 by transmission device from the input torque of handle 20, and optionally to make the direction of the output torque that output 101 exports by reversing arrangement be first direction or second direction, wherein first direction is contrary with second direction.For example, the input torque of operate portions 10 is clockwise moment or counter clockwise direction moment, and the output torque that output 101 is exported is clockwise moment; Or the input torque of operate portions 10 is clockwise moment or counter clockwise direction moment, the output torque that output 101 is exported is counter clockwise direction moment.
The structure of the transmission device of Two-way spanner of the present invention as shown in Figure 3, comprises the first ratchet face 311, driving gear 312, the second ratchet face 321, driven gear 322, intermediate gear shaft 330, idler gear 331 and 332.Wherein, the first ratchet face 311 is connected with driving gear 312 and is coaxial, in the present embodiment, the first ratchet face 311 is fixedly arranged on the inner ring of the head 21 of the ring-type of handle 20, driving gear 312 is fixedly connected on the head 21 of handle 20, and in the time that handle 20 rotates, its head 21 can drive driving gear 312 to rotate simultaneously like this, in other embodiments, the first ratchet face 311 also can be arranged on the inner ring of driving gear 312; The second ratchet face 321 is arranged on the inner ring of driven gear 322.The flank of tooth of the first ratchet face 311 and the second ratchet face 321 is relative with the outer peripheral face of main shaft 100; Driving gear 312 and driven gear 322 are face gears, and the flank of tooth of driving gear 312 and driven gear 322 toward each other.The central axes of the first ratchet face 311, the second ratchet face 321, driving gear 312 and driven gear 322 all coaxial and its central axis and main shaft 100.
Intermediate gear shaft 330 is fixedly linked with gripper rings 102.Idler gear 331,332 is arranged on intermediate gear shaft 330, and intermediate gear shaft 330 is vertical with main shaft 100.Idler gear 331,332 is engaged between driving gear 312 and driven gear 322, their tooth respectively with the flank of tooth of driving gear 312 and driven gear 322 on indented joint transmission, when gripper rings 102 is fixed, that is intermediate gear shaft 330 is while maintaining static, when driving gear 312 rotates, can drive driven gears 322 and its reverse rotations by idler gear 331,332.In the present embodiment, idler gear 331,332 is all bevel gear.
The structure of the reversing arrangement of Two-way spanner of the present invention as shown in Figure 4, comprises the reversing switch and the first pawl element 211 and the second pawl element 212 that are made up of newel 220, the first bulb plunger 221 and the second bulb plunger 222.Wherein, newel 220 is installed in main shaft 100, the first bulb plunger 221 and the second bulb plunger 222 are fixed on newel 220 successively, the first bulb plunger 221 is vertical with main shaft 110 with the activity direction of the bulb part of the second bulb plunger 222, preferably, in the first bulb plunger 221 and the second bulb plunger 222, be combined with the flexible members such as spring.The first pawl element 211 and the second pawl element 212 are arranged on main shaft 100 by countershaft 210, as shown in Figure 5, countershaft 210 is parallel to main shaft 100 but its central axis does not coincide with the central axis of main shaft 100, and the first pawl element 211 and the second pawl element 212 can rotate around countershaft 210.
The structural similarity of the first pawl element 211 and the second pawl element 212, all comprises the first fan-shaped ratchet, the second fan-shaped ratchet and fan-shaped mid portion between the two.Taking the first pawl element 211 as example, Fig. 6 has shown the top view (i.e. the direction along main shaft 100 to output 101) of the first pawl element 211, as can be seen from Figure 6, the first pawl element 211 comprises the first fan-shaped ratchet 2111, the second fan-shaped ratchet 2112 and fan-shaped mid portion 2110 between the two.The fan-shaped tooth surface of the fan-shaped tooth surface of the first fan-shaped ratchet 2111, the sector of fan-shaped mid portion 2110 and the second fan-shaped ratchet 2112 has formed the first surface of the first pawl element 211.The first pawl element 211 also has second surface, and this is a shaped face, and in the present embodiment, it comprises a recess 2113, and recess 2113 has the first side wall 2114 and the second sidewall 2115.The first side wall 2114 and the second sidewall 2115 all direction of main shaft 100 extend.In the first pawl element 211, have the via hole 2101 coordinating with countershaft 210, countershaft 210 is arranged on (as shown in Figure 5) on main shaft 100 through via hole 2101 by the first pawl element 211.In the present embodiment, via hole 2101 is arranged on the fan-shaped mid portion 2110 of the first pawl element 211, preferably, is arranged on the center of gravity place of the first pawl element 211.The structure of the second pawl element 212 is similar to the first pawl element 211, be not repeated herein, its thickness (length of extending along main shaft 100) is less than the thickness of the first pawl element 211 in the present embodiment, but in other embodiments, its thickness also can equate with the thickness of the first pawl element 211, or be greater than the thickness of the first pawl element 211.
The first surface of the first pawl element 211 and the second pawl element 212 is relative with the flank of tooth of the first ratchet face 311 and the second ratchet face 321 respectively, particularly, the tooth of the fan-shaped ratchet (comprising the first fan-shaped ratchet 2111 and the second fan-shaped ratchet 2112) of the first pawl element 211 is relative with the tooth of the first ratchet face 311, and the tooth of the fan-shaped ratchet (comprising the first fan-shaped ratchet and the second fan-shaped ratchet) of the second pawl element 212 is relative with the tooth of the second ratchet face 321.The second surface of the first pawl element 211 and the second pawl element 212 is relative with the surface of newel 220 respectively, particularly, it is relative that the second surface of the first pawl element 211 and the ball head of the first bulb plunger 221 divide, and the second surface of the second pawl element 212 divides relative with the ball head of the second bulb plunger 222.By pivot post 220, can make the ball head of the first bulb plunger 221 divide the first side wall 2114 of the recess 2113 that contacts the first pawl element 211, make the ball head of the second bulb plunger 222 divide the first side wall of the recess that contacts the second pawl element 212, now Two-way spanner of the present invention is in the first mode of operation simultaneously; Or, make the ball head of the first bulb plunger 221 divide the second sidewall 2115 of the recess 2113 that contacts the first pawl element 211, make the ball head of the second bulb plunger 222 divide the second sidewall of the recess that contacts the second pawl element 212, now Two-way spanner of the present invention is in the second mode of operation simultaneously.
When Two-way spanner of the present invention is during in the first mode of operation, as shown in Figure 7, the tooth of the first fan-shaped ratchet 2111 of the first pawl element 211 and the tooth contact of the first ratchet face 311, same, the tooth of the first fan-shaped ratchet of the second pawl element 212 and the tooth contact of the second ratchet face 321.When driving the first ratchet face 311, the head 21 of handle 20 rotates, when in the direction of motion of the tooth of first ratchet face 311 at the first fan-shaped ratchet 2111 places when pointing to the second fan-shaped part 2112 from the first fan-shaped part 2111, when the first ratchet face 311 as shown in Figure 7 clockwise rotates, what divide contact due to the ball head of the first bulb plunger 221 is the first side wall 2114 of the recess 2113 of the first pawl element 211, the first ratchet face 311 can not drive the first pawl element 211 to play rotation with one, the tooth of the first fan-shaped ratchet 2111 does not engage transmission with the tooth of the first ratchet face 311, and when in the direction of motion of the tooth of first ratchet face 311 at the first fan-shaped ratchet 2111 places when pointing to the first fan-shaped part 2111 from the second fan-shaped part 2112, when the first ratchet face 311 as shown in Figure 7 rotates counterclockwise, because the ball working portion of the first bulb plunger 221 contacts the first side wall 2114 of the recess 2113 of the first pawl element 211, the first ratchet face 311 can drive the first pawl element 211 to play rotation with one, i.e. the indented joint transmission of the tooth of the first fan-shaped ratchet 2111 and the first ratchet face 311.And the rotation of the first pawl element 211 is passed to main shaft 100 by countershaft 210, thereby drive main shaft 100 to rotate.
Simultaneously, when the direction of motion of the tooth of second ratchet face 321 at the first fan-shaped ratchet place at the second pawl element 212 is to point to the second scallop timesharing from the first fan-shaped part of the second pawl element 212, when the second ratchet face 321 clockwise rotates, due to the ball working portion contact of the second bulb plunger 222 are the first side walls of the recess of the second pawl element 212, the second ratchet face 321 can not drive the second pawl element 212 to play rotation with one, and the tooth of the first fan-shaped ratchet of the second pawl element 212 and the tooth of the second ratchet face 321 do not engage transmission; And ought be to point to the first scallop timesharing from the second fan-shaped part of the second pawl element 212 in the direction of motion of the tooth of second ratchet face 321 at the first fan-shaped ratchet place of the second pawl element 212, when the second ratchet face 321 rotates counterclockwise, because the ball working portion of the second bulb plunger 222 contacts the first side wall of the recess of the second pawl element 212, the second ratchet face 321 can drive the second pawl element 212 to play rotation with one, i.e. the indented joint transmission of the tooth of the first fan-shaped ratchet of the second pawl element 212 and the second ratchet face 321.And the rotation of the second pawl element 212 is passed to main shaft 100 by countershaft 210, thereby drive main shaft 100 to rotate.
Due to the transmission of aforesaid idler gear 331,332 and driving gear 312 and driven gear 322, in the time that gripper rings 102 maintains static, the rotation direction of the second ratchet face 321 is contrary with the first ratchet face 311.Hence one can see that, at Two-way spanner of the present invention in the first mode of operation, when the input torque from operate portions 10 is clockwise moment, it clockwise rotates the first ratchet face 311, and the second ratchet face 321 rotates counterclockwise, and now the first pawl element 211 does not connect with the first ratchet face 311, the second pawl element 212 connects with the second ratchet face 321, thus, the second pawl element 212 rotates counterclockwise main shaft 100, and output torque is anticlockwise moment; When the input torque from operate portions 10 is anticlockwise moment, it rotates counterclockwise the first ratchet face 311, the second ratchet face 321 clockwise rotates, now the first pawl element 211 connects with the first ratchet face 311, the second pawl element 212 does not connect with the second ratchet face 321, thus, the first pawl element 211 rotates counterclockwise main shaft 100, and output torque is anticlockwise moment.
When Two-way spanner of the present invention is during in the second mode of operation, the tooth of the second fan-shaped ratchet 2112 of the first pawl element 211 and the tooth contact of the first ratchet face 311, equally, the tooth of the second fan-shaped ratchet of the second pawl element 212 and the tooth contact of the second ratchet face 321.When make the first ratchet face 311 rotate from the input torque of operate portions 10, when in the direction of motion of the tooth of first ratchet face 311 at the second fan-shaped ratchet 2112 places when pointing to the second fan-shaped part 2112 from the first fan-shaped part 2111, when the first ratchet face 311 clockwise rotates, because the ball head of the first bulb plunger 221 divides the second sidewall 2115 of the recess 2113 that contacts the first pawl element 211, the first ratchet face 311 can drive the first pawl element 211 to play rotation with one, i.e. the indented joint transmission of the tooth of the second fan-shaped ratchet 2112 and the first ratchet face 311; And the rotation of the first pawl element 211 is passed to main shaft 100 by countershaft 210, thereby drive main shaft 100 to rotate.And when in the direction of motion of the tooth of first ratchet face 311 at the second fan-shaped ratchet 2112 places when pointing to the first fan-shaped part 2111 from the second fan-shaped part 2112, when the first ratchet face 311 rotates counterclockwise, what divide contact due to the ball head of the first bulb plunger 221 is the second sidewall 2115 of the recess 2113 of the first pawl element 211, the first ratchet face 311 can not drive the first pawl element 211 to play rotation with one, and the tooth of the second fan-shaped ratchet 2112 does not engage transmission with the tooth of the first ratchet face 311.
Simultaneously, when the direction of motion of the tooth of second ratchet face 321 at the second fan-shaped ratchet place at the second pawl element 212 is to point to the second scallop timesharing from the first fan-shaped part of the second pawl element 212, when the second ratchet face 321 clockwise rotates, because the ball head of the second bulb plunger 222 divides the second sidewall of the recess that contacts the second pawl element 212, the second ratchet face 321 can drive the second pawl element 212 to play rotation with one, i.e. the indented joint transmission of the tooth of the second fan-shaped ratchet of the second pawl element 212 and the second ratchet face 321; And the rotation of the second pawl element 212 is passed to main shaft 100 by countershaft 210, thereby drive main shaft 100 to rotate.And ought be to point to the first scallop timesharing from the second fan-shaped part of the second pawl element 212 in the direction of motion of the tooth of second ratchet face 321 at the second fan-shaped ratchet place of the second pawl element 212, when the second ratchet face 321 rotates counterclockwise, due to the ball working portion contact of the second bulb plunger 222 are second sidewalls of the recess of the second pawl element 212, the second ratchet face 321 can not drive the second pawl element 212 to play rotation with one, and the tooth of the second fan-shaped ratchet of the second pawl element 212 and the tooth of the second ratchet face 321 do not engage transmission.
Due to the transmission of aforesaid idler gear 331,332 and driving gear 312 and driven gear 322, in the time that gripper rings 102 maintains static, the rotation direction of the second ratchet face 321 is contrary with the first ratchet face 311.Hence one can see that, at Two-way spanner of the present invention in the second mode of operation, when the input torque from operate portions 10 is clockwise moment, it clockwise rotates the first ratchet face 311, and the second ratchet face 321 rotates counterclockwise, and now the first pawl element 211 connects with the first ratchet face 311, the second pawl element 212 does not connect with the second ratchet face 321, thus, the first pawl element 211 clockwise rotates main shaft 100, and output torque is clockwise moment; When the input torque from operate portions 10 is anticlockwise moment, it rotates counterclockwise the first ratchet face 311, the second ratchet face 321 clockwise rotates, now the first pawl element 211 does not connect with the first ratchet face 311, the second pawl element 212 connects with the second ratchet face 321, thus, the second pawl element 212 clockwise rotates main shaft 100, and output torque is clockwise moment.
As previously mentioned, by pivot post 220, can make between Two-way spanner the first mode of operation of the present invention and the second mode of operation, to switch, select.For easy to use, in the present embodiment, as shown in Figure 8, be provided with turn-button 223 at the first end of newel 220, realize coordinating between newel 220 and turn-button 223 by making the Liang Ge ear (as the ear 2201 in Fig. 8) of newel 220 embed turn-button 223.Like this, by rotating turn-button 223, can make newel 220 rotate.On turn-button 223 in the present embodiment, be provided with two surperficial spines that protrude from turn-button 223, as spine 2231, when use, can apply turning moment to rotate turn-button 223 by the Liang Tiao spine to comprising spine 2231.
Two-way spanner of the present invention also comprises stopping means, and it makes Two-way spanner of the present invention remain on selected mode of operation until user is switched to other mode of operation.As shown in Figures 9 and 10, stopping means in the present embodiment comprises a hoodle 400 being arranged between output 101 and the second end of newel 220, and the groove coordinating at the hoodle 400 of the second end of newel 220, be in particular the first groove 410 and the second groove 420.The first groove 410 and the second groove 420 extend parallel to each other and are separated by smooth ridge between the two.
When hoodle 400 is at the first groove 410 when interior, the first bulb plunger 221 and the ball working portion of the second bulb plunger 222 keep itself and the contacting of the first side wall of the first pawl element 211 and the recess of the second pawl element 212, and Two-way spanner of the present invention is maintained at the first mode of operation; When hoodle 400 is at the second groove 420 when interior, the first bulb plunger 221 and the ball working portion of the second bulb plunger 222 keep itself and the contacting of the second sidewall of the recess of the first pawl element 211 and the second pawl element 212, and Two-way spanner of the present invention is maintained at the second mode of operation.When rotating turn-button 223, newel 220 is rotated, and while making hoodle 400 enter the second groove 420 from the first groove 410, Two-way spanner of the present invention enter the second mode of operation from the first mode of operation; When rotating turn-button 223, newel 220 is rotated, and while making hoodle 400 enter the first groove 410 from the second groove 420, Two-way spanner of the present invention enter the first mode of operation from the second mode of operation.
In the present embodiment, intermediate gear shaft 330 is fixedly connected with gripper rings 102, intermediate gear shaft 330 is fixing with respect to gripper rings 102, in the time that operate portions 20 is rotated with respect to gripper rings 102, idler gear 331,332 makes the rotation direction of driven gear 322 and the direction of rotation of driving gear 312 thus.In use, in order to make idler gear 331,332 work, contrary with the first ratchet face 311 to ensure the rotation direction of the second ratchet face 321, user can locate intermediate gear shaft 330 by the mode that grips gripper rings 102, thereby idler gear 331,332 rotates under the drive of driving gear 312, and then drive driven gear 322 to rotate, thereby the second ratchet face 321 and the first ratchet face 311 are oppositely rotated.It should be noted that, in other embodiments of the invention, also can take other mode to locate intermediate gear shaft 330, and make idler gear 331,332 work.
In addition, as previously mentioned, the output 101 of Two-way spanner of the present invention can be by installing different sleeves to be configured to be applicable to operate the configuration of the various securing members such as exterior angle screw, now, each sleeve that the hoodle 400 in the stopping means of Two-way spanner of the present invention can also be used for being installed on output 101 carries out screens.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a Two-way spanner, comprises operate portions and handle, it is characterized in that, described operate portions comprises
Main shaft, described main shaft for output torque and its axis perpendicular to described handle;
Driving gear, driven gear, intermediate gear shaft and idler gear, described driving gear, driven gear and intermediate gear shaft are all set on described main shaft, the axis of described intermediate gear shaft is vertical with the axis of described main shaft, described idler gear is arranged on described intermediate gear shaft, and be engaged in transmission between described driving gear and described driven gear, wherein
Described handle drives described driving gear to rotate, described intermediate gear shaft is installed with a grip device outward, when gripping described grip device, rotate described handle while driving described driving gear to rotate, described driving gear drives described driven gear reverse rotation by described idler gear;
The first ratchet face rotating together with driving gear, and the second ratchet face rotating together with driven gear;
The first pawl element and second pawl element that can drive described main shaft to rotate; Wherein
Described the first pawl element has the first ratchet and the second ratchet that optionally coordinate with described the first ratchet face, wherein said the first ratchet skids with described the first ratchet face in a first direction, in second direction, engage transmission with described the first ratchet face, described the second ratchet engages transmission with described the first ratchet face in a first direction, in second direction, skids with described the first ratchet face;
Described the second pawl element has the 3rd ratchet and the 4th ratchet that optionally coordinate with described the second ratchet face, wherein said the 3rd ratchet skids with described the first ratchet face in a first direction, in second direction, engage transmission with described the first ratchet face, described the 4th ratchet engages transmission with described the first ratchet face in a first direction, in second direction, skids with described the first ratchet face;
Reversing switch, described reversing switch can be arranged on the first state and the second state by described the first pawl element and described the second pawl element, under described the first state, described the first ratchet and described the 3rd ratchet coordinate with described the first ratchet face and the second ratchet face respectively simultaneously; Under described the second state, described the second ratchet and described the 4th ratchet coordinate with described the first ratchet face and the second ratchet face respectively simultaneously;
Described first direction is clockwise or counterclockwise, described second direction be with first party in the opposite direction.
2. Two-way spanner as claimed in claim 1, wherein, described handle has toroidal head portion, and described the first ratchet face is arranged on the inner ring of described toroidal head portion.
3. Two-way spanner as claimed in claim 1, wherein, described the first ratchet face is arranged on the inner ring of described driving gear.
4. Two-way spanner as claimed in claim 1, wherein, described the second ratchet face is arranged on the inner ring of described driven gear.
5. Two-way spanner as claimed in claim 1, wherein, described grip device is gripper rings.
6. Two-way spanner as claimed in claim 1, wherein, described the first pawl element and/or the second pawl element are fan-shaped.
7. Two-way spanner as claimed in claim 1, wherein, described the first pawl element and the second pawl element are arranged on countershaft, and the axis of described countershaft is parallel with described main shaft and do not overlap with described main shaft, described countershaft and described main shaft are connected, and can drive described main shaft to rotate.
8. Two-way spanner as claimed in claim 7, wherein, described countershaft is located among described main shaft.
9. Two-way spanner as claimed in claim 1, wherein, described reversing switch comprises newel, the first bulb plunger and the second bulb plunger, described newel is placed through in described main shaft, described the first bulb plunger and described the second bulb plunger are fixed on described newel successively, and described the first bulb plunger and described the second bulb plunger coordinate with described the first pawl element and the second pawl element respectively.
10. Two-way spanner as claimed in claim 9, wherein, is provided with spring in described the first bulb plunger and described the second bulb plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020308.8A CN103934776B (en) | 2013-01-18 | 2013-01-18 | Two-way spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020308.8A CN103934776B (en) | 2013-01-18 | 2013-01-18 | Two-way spanner |
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| Publication Number | Publication Date |
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| CN103934776A true CN103934776A (en) | 2014-07-23 |
| CN103934776B CN103934776B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310020308.8A Active CN103934776B (en) | 2013-01-18 | 2013-01-18 | Two-way spanner |
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Cited By (3)
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| CN106737330A (en) * | 2017-02-22 | 2017-05-31 | 南京航空航天大学 | A kind of self-boosting type Two-way spanner and its method of work |
| CN108406667A (en) * | 2017-02-09 | 2018-08-17 | 深圳市三诺数字科技有限公司 | A kind of retaining mechanism |
| WO2023184132A1 (en) * | 2022-03-29 | 2023-10-05 | 杭州巨星科技股份有限公司 | Ratchet wheel mechanism and hand tool |
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| Publication number | Publication date |
|---|---|
| CN103934776B (en) | 2018-01-09 |
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Effective date of registration: 20190417 Address after: 310019 35 Ring Road, Jianggan District, Jianggan District, Hangzhou, Zhejiang Co-patentee after: Hangzhou GreatStar Industrial Co., Ltd. Patentee after: Hangzhou Great Star Industrial Co., Ltd. Co-patentee after: Latchet Co.,Ltd. Address before: 310019 35 Ring Road, Jianggan District, Jianggan District, Hangzhou, Zhejiang Co-patentee before: Hangzhou GreatStar Industrial Co., Ltd. Patentee before: Hangzhou Great Star Industrial Co., Ltd. |
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