KR100518689B1 - Touch switch and refrigerator with the same - Google Patents

Abstract

An object of the present invention is to provide a refrigerator in which the touch panel of the door opening mechanism can be attached to the opening and the base main body disposed at an inner position spaced apart from the periphery of the door surface plate from the door front face.

The semi-circular touch panel 11 is mounted so as to be movable back and forth by pressing along the circular arc portion of the inner surface of the circular dish-shaped base body 13 attached to the door surface plate 6, and the bottom surface of the dish body of the base body. Journal the movable plate 21 adjacent to the actuator 16a of the signal switch by rotation by the force of the spring 23 adjacent to the signal switch 16 attached to the plate and spaced apart on both sides of the movable plate. It consists of one stop hook (17, 18) and a coupling shaft (19, 20) for engaging the stop hook to prevent the rotation of the touch panel by pressing and rotating to return to the front by the spring force, the pressing or tension of the touch panel Operate the signal switch by operation.

Description

Refrigerator with touch switch and touch switch {TOUCH SWITCH AND REFRIGERATOR WITH THE SAME}

The present invention relates to a refrigerator provided with a touch switch and a touch switch for operating a signal operating mechanism based on an operation on a touch panel.

In recent years, from the standpoint of ease of use with the diversification of the storage temperature range, an operation display panel for temperature control or a touch operation panel for automatic opening doors of the door is disposed on the front surface of the door that closes the front opening of the main body. Refrigerators provided with a makeup member have been commercialized.

The touch panel in this kind of make-up member has a relatively wide operation surface for ease of use, and has been disclosed in Japanese Patent Application No. 2001-220715 or Japanese Patent Application No. 2002-235196 relating to the present applicant's application. 7 is rotatably journaled and movable the movable plate 61 for operating the operator of the micro switch 56 to the base body 53 fixedly attached to the opening such as the door surface plate as shown in FIG. The touch panel 51 having the support portion 51b coupled to the locking portion 61b formed at the other end of the plate is disposed in the opening of the surface plate, and the link shaft 59 is perpendicular to the locking portion of the movable plate. It is rotatably installed in the base main body 53, and supports the touch panel 51 so that the locking groove 57 can be moved back and forth with respect to the opening by engaging the link shaft 59, and press-button switch by a press operation. When operating The structure which made it tall is shown.

And as the support part 61b of the movable plate 61 as a support shaft, the support part 51b of the touch panel 51 is made into the groove which opens to the side, and the support shaft 51b is slid by sliding along an opening surface. The locking groove 57 is fitted into the link shaft 59 to be unitized by being coupled to the locking portion 61b to be used and pressing the touch panel in the panel box direction.

That is, in either case, the touch panel 51 is connected to the base main body 53 by sliding movement due to parallel movement from the horizontal direction, and when it is arranged on the surface of the refrigerator door or the like, the door panel 51 is assembled to the door. It was a structure which slides and assembles from the side opening part with respect to the assembled base main body.

Therefore, when it is desired to arrange the touch panel in the center portion spaced from the peripheral edge of the door surface, as disclosed in Japanese Patent Application No. 2002-235196, the touch panel 51 is slid to the base main body 53 in advance. Units were moved and united to be attached from the back surface of the opening of the door surface plate, and assembled together in the door surface plate together with the operation panel, thereby limiting the arrangement position and design of the handle.

Moreover, in order to attach a touch panel from the door front surface with respect to the base main body arrange | positioned in the part separated from the edge part of a door end, it became the structure which protrudes to the door surface for sliding movement, and damaged the external appearance design.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and includes a touch switch and a touch switch configured to attach a touch panel from a front surface to an opening and a base body disposed at an inner position spaced apart from a periphery of a surface plate. It is aimed to provide a refrigerator.

MEANS TO SOLVE THE PROBLEM In order to solve the said subject, the invention of the touch switch of Claim 1 is attached so that it can move back and forth by press according to the circular arc-shaped base main body attached to the opening provided in the surface plate, and the arc part of the inner surface of the base main body. A substantially semi-circular touch panel, a signal switch attached to the bottom surface of the base portion of the base body corresponding to the center of the touch panel, and journaled to either the touch panel or the base body adjacent to the signal switch A movable plate for changing the operation of the signal switch by rotation by a plurality of positions, and a plurality of sets of retaining hooks provided on both sides of the movable plate of either the touch panel or the base body and the other side, and are press-fitted to the base body side. By rotating it in front of it by spring force, thereby engaging the locking hook and preventing rotation of the touch panel. Made of a coupling shaft, it is characterized in that for operating a signal switch operated by the tension of the pressure or the end edge of the touch panel.

With the above configuration, the touch panel can be easily mounted from the door front face side to an opening provided at a position away from the periphery of the door surface plate without sliding the touch panel from the lateral opening of the surface plate and engaging the base body. The structure and the assembly can be simplified and the cost can be reduced, and a touch switch with a novel design having a circular touch panel part can be obtained.

In the invention according to claim 2, the locking portion or the locking hook is disposed above and below the edge of the semicircular touch panel, and the opposite hook or locking portion is provided on the base body, and the other locking portion or locking hook is attached to the base panel. Each of the locking portions by placing the touch panel in the vicinity of the arc on the opposite side of the string, and pressing the touch panel into the base body against the spring force in a state where the touch panel is shifted by a predetermined angle, rotating the angle by a predetermined angle, and then returning it to the front with the spring force. The locking hook is coupled to each other. The attachment of the touch panel can be simplified, and the pressing operation of the switch can be reliably performed at any position and the quality can be improved.

According to the invention of claim 3, a coupling shaft is provided in parallel with the string in the vicinity of the string of the semi-circular touch panel, and the locking hook opposite to the string is provided in the base body, and the locking rib is provided in the arc portion opposite to the string of the touch panel. By the spring force of the movable plate which operates the signal switch installed near the engagement shaft, and the spring member which is located in the vicinity of the arc part on the opposite side to the string, while providing the locking hook which opposes this locking rib to a base main body, The rotation of the touch panel is prevented, and the state is always kept in a state of being raised from the bottom surface of the base portion of the base body, and the circular touch panel can be stably disposed on the base body so as to be movable back and forth.

Invention of Claim 4 has stopped rotation of a touchscreen by fixing the panel stopper which closes the lower part of the clearance gap in the front-back direction of the base part and the base body of the touchscreen couple | bonded and held by rotation, It characterized by the above-mentioned. Falling from the base main body by the pressing rotation of the touch panel in the holding fixed state can be prevented more reliably.

Invention of Claim 5 protrudes the rib of predetermined height from the bottom surface of the dish part of a base main body so that the at least upper direction of the signal switch attached to the base main body may be provided, and the said rib outer periphery of the back surface side of the touch panel bonded and held. It is characterized in that the reinforcing ribs which are polymerized in the height direction are placed upright, and even if water enters from the gap with the opening of the periphery of the touch panel, the inflow to the signal switch part can be prevented and the effects of the short circuit can be eliminated. have.

Invention of Claim 6 narrows and fixes the edge of the said opening by the makeup frame which abutted from the door inner surface side to the opening formed in the door surface plate, and heat-insulates the inner space of the door which attached the base main body. After foaming and filling the touch panel, the touch panel is attached and the signal switch is operated by pressing the touch panel or by tensioning the edge of the end to operate the door opening mechanism of the refrigerator. This can be done simply.

EMBODIMENT OF THE INVENTION Hereinafter, one Embodiment of the touchscreen in the refrigerator of this invention is described based on drawing. The refrigerator main body 1 showing the external appearance front view in FIG. 1 is provided with a refrigerating chamber 2 for storing and storing refrigerated foods at the top thereof, and according to a predetermined storage temperature such as a vegetable chamber 3 or a freezing chamber 4 at the lower portion thereof. Storage chambers are arranged, and doors are arranged at respective front openings, and doors 5 which pivotally support one side to the refrigerator main body side by hinges are attached to the front openings of the refrigerating chamber 2.

The refrigerating compartment door 5 is formed of a thin steel plate and forms an outer surface by a front face plate 6 which is bent in a substantially inverted c-shape to the left and right corners of the rear side, and the upper and lower ends of each front face plate 6 The door caps 7 and 8 for closing the openings are provided, and a door inner plate 9 is formed inside the refrigerating chamber of the door 2 to form a pocket portion for storing the storage therein and formed between these members. It is comprised by foam-filling the heat insulating material 10 which consists of foamed synthetic rubber in space.

Under the surface opposite to the hinge side of the door front face plate 6, as shown in FIG. 3, the exploded perspective view in FIG. 2 and the cross section along the AA line of FIG. 1 are touch handles which perform the opening operation of the door 5; A circular opening 12 for attaching the panel 11 is provided, and on the heat insulating material 10 side of the opening 12, an opening diameter coinciding with the edge of the opening end and a dish-shaped storage space concave to the heat insulating material side are formed. The base main body 13 which consists of one synthetic resin material is arrange | positioned.

On the periphery of the base main body 13, a flange portion 13a in contact with the rear surface of the opening 12 of the door front plate and a plurality of projection ribs 13b for positioning are formed, and the projection ribs 13b are described above. The base main body 13 is held at a predetermined position in accordance with the cutout portion 12a formed at the periphery of the opening.

The makeup frame 14 provided with the circumferential rib 14a and the flange part 14b which were upright-molded so that it might become the same inner periphery surface in accord with the edge part formed in the opening inner surface of the base main body 13 at the front surface side of the opening 12. ), And the above-mentioned makeup frame 14 and the base body are joined by engaging the hook member 14c which protruded into the outer periphery of the circumferential rib 14a, and the recessed hole 13c by the base main body 13 side. The peripheral part of the opening 12 of the door front face plate is squeezed between the flange parts 14b and 13a of (13), and the said three components are fixed integrally.

At this time, since each part including the opening 12 is circular, one or more uneven | corrugated engagement parts are made larger or longer, and positioning of each part is performed.

The circular dish-shaped storage space of the base body 13 is divided into left and right by partition ribs 13d protruding from the bottom surface, and one side is called the handle portion 15 and the bottom surface space 13e on the other side. The push button-type micro switch 16 is detachably coupled to the central portion of the cuff by a holding convex member, and spaced up and down in the vicinity of the partition rib 13d. The locking hook 17 opened by the screw is fixed.

In addition, as shown in Fig. 4, which is a front view of the base main body 13 viewed from the front side of the door, between the arc side of the partition rib 13d and the micro switch 16, the base body 13 is spaced slightly downward along the arc. The two engaging hook members 18 which opened the branch part protrude integrally with the base main body.

The upper opening of the storage space 13e in which the push button switch 16 on the other side of the partition rib 13d is provided is matched to the shape of the storage space 13e in the form of a horseshoe, and barely in the handle space side. The semi-circular touch panel 11 having the string 11a extending thereon is disposed.

On the back surface of the touch panel 11, a coupling shaft 19 for coupling to the locking hook 17 and a locking portion 20 for coupling to the coupling hook member 18 are provided, and the micro switch 16 ), The support plate 22 rotatably journals the movable plate 21 provided with the pressing member 21a for urging the operator 16a of the switch to a part of the movable plate 21. Always press the operator's 16a of the switch by the force of the attached spring 23, and the back wall 21b of the movable plate 21 rotates and protrudes toward the bottom surface of the base main body 13 by the spring force. I am placing it.

On the rear wall 21b of the movable plate, movable plate pedestal ribs 25 protruding from the bottom surface of the plate portion of the base main body 13 are disposed to face each other.

Moreover, the compression spring 26 is provided in the front-back direction toward an opening between the two engaging hook members 18 provided in the circular arc part opposite the string part 11a of the said touch panel, and this compression spring 26 The rib 11b protrudingly provided on the rear surface of the touch panel 11 opposite to the base is combined with the spring 23 force attached to the movable plate 21 to form the base of the touch panel 11 in a state of normal attachment. The main body 13 is pulled up toward the front side, that is, the opening 12 side.

Then, the base body 13 is brought into contact with the rear surface of the opening 12 of the door front plate 6, and the top and bottom door caps 7 and 8 and the door inner plate ( 9) Inject the stock solution of the heat insulating material into the space enclosed by foaming to form a heat insulating door.

When attaching the touch panel 11, as shown in FIG. 5, the touch panel is shifted and disposed at a predetermined angle to the left of the normal attachment position, and the spring force of the movable plate 21 and the two engaging hook members ( 18) press-fit into the base main body 13 against the compression spring force therebetween, rotate it a predetermined angle to the right in the press-fitted state, and then return to the front with the spring force, so that the respective locking portions and the locking hooks, that is, the locking hooks The coupling shaft 19, the coupling hook member 18, and the locking portion 20 are coupled to each other to restrain the rotation of the touch panel 11 with respect to the base main body 13.

Reference numeral 28 denotes a panel stopper 11, and a locking groove 29 formed in the lower portion of the gap in the front-back direction between the string 11a of the touch panel 11 held and held by the rotation and the base main body 13. ), The gap is closed and screwed from the outside. This panel stopper 28 prevents rotation in the direction in which the touch panel 11 falls, and the base main body by pressing rotation of the touch panel 11 in a holding and fixed state by the coupling configuration and the spring force. Falling off from (13) can be reliably prevented, and the touch panel 11 to the base main body 13 facilitates the assembly work.

By this attachment, the touch panel 11 suppresses the forward rise by the spring force of the respective engaging and movable plates 21, and the compression spring 26, and the inner circular arc portion of the base body 13 Therefore, it is arrange | positioned on the surface substantially the same as the surface of the door surface plate 6, and is hold | maintained so that forward and backward movement with respect to the base main body surface.

Since the pedestal rib 25 and the rear wall 21b of the movable plate are in contact with each other, the pressure of the spring 23 and the compression spring 26 is applied by pressing any part of the touch panel 11. When press-fitting against the base main body side, the movable plate 21 rotates the journal part 22 as a support point, as shown in FIGS. 3-6 which are the longitudinal cross-sectional views of a normal state, and the pressing member 21a pushes a button. The electric current is supplied to the control circuit by being separated from the operator 16a of the switch. The appearance of the touch panel 11 with respect to the base main body 13 can be improved, and the quality of operation can be enhanced.

The operation of the micro switch 16 by the pressing touch operation of the touch panel 16 is linked with the solenoid of the door opening device 30 provided in the upper part of the hinge opposite side in the refrigerator main body 1, and is explained in full detail. Is omitted, but the solenoid is energized by pushing the push button switch, which is a signal operation part, and the upper end surface of the door 5 is pressed by the protrusion of the protruding pin by the plunger to open it.

2 and 3, the side part of the touch panel 11 forms the handle part 15 by the partition rib 13d in the base main body, and puts a finger in the handle part 15. By the tension operation, the coupling shaft 19 engaged with the locking hook 17 becomes the support point, the touch panel 11 is inclined, and the movable plate 21 is rotated so that the pressing member 21a is released from the operator 16a. In order to operate the micro switch 16 apart from each other, and even if the door opening device 30 is broken, the door can be directly opened by a hand rather than a touch operation.

Further, the guide rib 31 having a predetermined height is protruded to surround at least the upper side of the attached micro switch 16 on the bottom surface of the base body 13 so that the touch panel 11 can be held and bonded. On the back surface side, the peripheral ribs 11c which superpose | polymerize in a height direction are provided in the outer periphery of the said guide rib. With this configuration, even if water or the like penetrates into the gap between the periphery of the touch panel 11 and the makeup frame 14, the intrusion water flows down along the guide ribs 31, so that the inflow into the switch 16 portion flows in. It can prevent the occurrence of short circuit.

In addition, in the above embodiment, a door opening device in a refrigerator has been described as an example of employing a touch switch device. However, the present invention is not limited thereto, but buildings, vehicles, electronic devices, and the like other than kitchen or other storage. The present invention can be applied to a touch switch having a relatively large operation area, and the object to be controlled is not limited to the door opening device, but can be applied to a touch switch for various operations including a front switch in a nursing device.

In addition, although the push button type micro switch was demonstrated as an Example about the control target switch above, it is not limited to this, It is applicable also to signal operation switches, such as an optical operation switch, and also the relationship between each support shaft and a bearing part It is a matter of course that the inverse relationship is not limited to the embodiment.

As described above, according to the touch switch of the present invention, the touch panel is not slid from the side opening of the surface plate and coupled to the base main body, and the front panel is opened from the front surface side in an opening provided at a position away from the peripheral portion of the surface plate. It can be attached simply, the structure and the assembly can be simplified, and the cost can be reduced, and the touch switch of the novel design which rounded the touch panel part can be obtained.

Moreover, the door opening apparatus of the refrigerator which can assemble an touch operation switch efficiently and simply can be obtained.

1 is an external front view of a refrigerator showing one embodiment of the present invention;

Fig. 2 is an exploded perspective view showing the touch panel portion of the refrigerating compartment door shown in Fig. 1.

3 is a cross-sectional view taken along the line A-A of FIG.

FIG. 4 is a front view of the touch panel of FIG. 3 seen from the front of the door; FIG.

FIG. 5 is a front view showing a state when the touch panel is attached in FIG. 4; FIG.

FIG. 6 is a cross-sectional view of the same part as FIG. 3 showing a pressing state of the touch panel; FIG.

Fig. 7 is a perspective view showing a state of attachment of a conventional touch panel.

<Explanation of symbols for the main parts of the drawings>

5: refrigerator door

6: front panel

7, 8: door cap

10: heat insulation

11: touch panel

11a: Hyundae

11b: rib

11c: starring rib

12: opening

12a: cutout

13: base body

13d: divider rib

13e: floor space

14: makeup frame

15: handle

16: micro switch

17: hook hook

18: coupling hook member

19: coupling axis

20: branch

21: movable plate

21a: pressure member

21b: rear wall

22: support shaft

23: spring

25: pedestal rib

26: compression spring

28: panel stopper

29: locking groove

30: door opening device

31: guide rib

Claims (6)

Corresponding to a circular plate-shaped base body attached to an opening provided in a surface plate, an almost semi-circular touch panel mounted to be movable back and forth by pressing along an arc portion of the inner surface of the base body, and a substantially center portion of the touch panel. A signal switch attached to the bottom surface of the base portion of the base body, a movable plate which is journaled to either the touch panel or the base body adjacent to the signal switch and changes the operation of the signal switch by rotation by a spring force, and a touch A plurality of sets of locking hooks are provided on the other side of the movable plate on either side of the panel and the base main body, and are installed on the other side, press-fitted to the base main body to rotate, and then return to the front by spring force to engage the locking hook. Composed of a coupling axis that prevents rotation of the touch panel, the pressing of the touch panel or tension of the end edge A touch switch characterized by operating a signal switch by operation. The method according to claim 1, wherein the locking portion or the locking hook is disposed above and below the circumference of the semicircular touch panel, and the opposite hook or locking portion is provided on the base body, and the other locking portion or locking hook is attached to the touch panel. It is installed in the vicinity of the arc portion opposite to the port, and the touch panel is pressed against the spring force in a state where the touch panel is shifted by a predetermined angle, rotated by a predetermined angle, and then returned to the front by the spring force. Touch switch characterized in that the hook is coupled. 3. The locking rib according to claim 1 or 2, wherein a coupling axis is provided in parallel with the string in the vicinity of the string of the semi-circular touch panel, and a locking hook opposite to the string is provided on the base body, and the locking rib is positioned at the arc portion opposite to the string of the touch panel. And a spring hook of the movable plate for actuating the signal switch installed near the engagement shaft and a spring force disposed near the arc of the side opposite to the string, while providing a locking hook opposite the locking rib to the base body. The touch switch prevents rotation of the touch panel and keeps it always raised from the bottom surface of the base portion of the base body. The rotation of the touch panel is prevented by fixing the panel stopper that closes the lower part of the gap in the front-back direction between the string part of the touch panel held by rotation and the base body by rotation. Touch switch. The rib outer periphery of the back side of the touch panel of claim 1, wherein a rib having a predetermined height is provided to protrude from the bottom surface of the plate portion of the base body so as to surround at least an upper portion of the signal switch attached to the base body. The reinforcing rib which superpose | polymerizes in the height direction to the upright, and was installed. The end edge of the said opening is squeezed and fixed by the makeup frame which abuts from the inner side of the door to the opening formed in the door surface plate of Claim 1, and a heat insulating material is attached to the inner space of the door which attached the base main body. A refrigerator having a touch switch, wherein the touch panel is attached after foaming and charging, and a door switch is operated by operating a signal switch by pressing a touch panel or by tensioning an end edge of the touch panel.