KR200482334Y1 - Door Lock Apparatus for Refrigerator and Freezer's door - Google Patents

Door Lock Apparatus for Refrigerator and Freezer's door Download PDF

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Publication number
KR200482334Y1
KR200482334Y1 KR2020150007487U KR20150007487U KR200482334Y1 KR 200482334 Y1 KR200482334 Y1 KR 200482334Y1 KR 2020150007487 U KR2020150007487 U KR 2020150007487U KR 20150007487 U KR20150007487 U KR 20150007487U KR 200482334 Y1 KR200482334 Y1 KR 200482334Y1
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KR
South Korea
Prior art keywords
plate
latch
door
moving
spring
Prior art date
Application number
KR2020150007487U
Other languages
Korean (ko)
Inventor
윤규중
윤지우
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주식회사 공진
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Priority to KR2020150007487U priority Critical patent/KR200482334Y1/en
Application granted granted Critical
Publication of KR200482334Y1 publication Critical patent/KR200482334Y1/en

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0042—For refrigerators or cold rooms
    • E05B65/005—For refrigerators or cold rooms with sliding bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/306—Application of doors, windows, wings or fittings thereof for domestic appliances for freezers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Refrigerator Housings (AREA)

Abstract

The present invention relates to a door lock device for a refrigerator and a freezer door, and more particularly, to a door lock device for a refrigerator and a freezer door, and more particularly, A phenomenon that the latch and the moving plate are moved to the rear side due to the detachment of the fixing portion of the lock plate provided on the rear surface of the latch from the guide projection of the rotation cam by the operation of the other person pulling the outer handle from time to time while the outer handle is locked And a spring and a stopper are provided on a rear surface of the moving plate so as to prevent the door from being opened.
The present invention solves the problem that the operation lever is easily broken by manufacturing the auxiliary lever in the same shape as the operation lever formed on the front surface of the outer handle and the spring and the stopper are installed on the rear surface of the moving plate moving together with the latch, There is a feature that the overall structure of the door lock apparatus is improved so that an accident that the door is opened during the process of pulling the external handle by the steel member can be prevented.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock device for a refrigerator and a freezer door,

The present invention relates to a door lock device for a refrigerator and a freezer door, and more particularly, to a door lock device for a refrigerator and a freezer door, and more particularly, A phenomenon that the latch and the moving plate are moved to the rear side due to the detachment of the fixing portion of the lock plate provided on the rear surface of the latch from the guide projection of the rotation cam by the operation of the other person pulling the outer handle from time to time while the outer handle is locked And a spring and a stopper are provided on a rear surface of the moving plate so as to prevent the door from being opened.

In general, refrigerators and freezers are used to prevent corruption by safely storing goods requiring refrigeration and freezing temporarily or in the long term, and a door lock device is installed on the door panels.

The door lock device has a case mounted on a door panel, an operation lever is coupled to a handle connected to the case via a pin shaft, one end of the operation lever is connected to the latch, the latch is supported by an elastic spring, On both sides of the case, a fixing hole for fixing the door panel with bolts or rivets is formed on the frame, and a bottom plate is assembled with a case with a plurality of bolts on the bottom surface of the case.

In the case of a door lock apparatus for a refrigerator and a freezer door, a base plate 14 is bolted to a bottom surface of an inner case 11 so as to be bolted to a door to seal the inside of the door lock apparatus, Fixing protrusions 12b protrude from the front of the stationary frame 12 formed on both sides of the case 11 and have an engagement groove 12c formed on the inner side of the rear surface of the inner case 11, A fixing protrusion 12b of the inner case 11 is fixed to a fixing groove 16a formed on the inner side of the outer case 16 so as to prevent the inner case 11 from being separated from the outside by a steel material, A case 10 in which a locking protrusion 16b formed on an inner side of a rear surface of the outer case 16 is fixed to an engagement groove 12c of the inner case 11; One end of the operating lever 22 formed on the front surface of the outer handle 21 is fixed to the inner case 11 by a hinge shaft and the other end of the outer handle 21 extends to the rear surface of the outer case 16, A latch 23 is provided between the inner case 11 and the bottom plate 14 and the operating lever 22 of the outer handle 21 is closely attached to the hinge shaft coupled to the rear surface of the latch 23, And opening / closing means (20) for opening the door by moving the latch (23) to the rear side; A fixing plate 31 is inserted into the rear surface of the bottom plate 14 and a protrusion 32 protruding upward from the rear surface of the fixing plate 31, And a rotation protrusion 35 is formed on both sides of the front face of the rotation cam 34 so that the fixing plate 31 is brought into close contact with the bottom plate 14, A guide protrusion 35b is extended to the front of the lock protrusion 35a formed at the center of the rotation protrusion 35 and a lock plate 36 is fixed to the hinge shaft of the latch 23, The fixed portion 36b formed on the rear surface is brought into close contact with and released from the lock groove 35a of the rotation cam 34 by the seesection operation of the key spindle 38 and the key housing 36a on the upper plate of the outer case 16, Locking means 30 for locking and unlocking the pressing portion 36a by a locking projection 39a projected on the bottom surface of the key housing 39 by engaging with the pressing portion 39; And the rotation shaft 42 of the inner handle 41 is inserted into the rotation cam 34 protruding from the bottom plate 14. When the inner handle 41 is rotated, The fixing portion 36b is released from the guide protrusion 35b while the fixing portion 36b of the fixing plate 31 is lifted and the rotation protrusion 35 of the rotation cam 34 is brought into contact with the protrusion 32 And releasing means (40) for releasing the locked state of the latch (23) by a backward pushing operation.

The door lock device according to the related art is characterized in that the operating lever formed on the front surface of the outer handle is in close contact with the hinge shaft coupled to the rear surface of the latch so that the operating lever pushes the hinge shaft backward, Since the operation lever is made of zinc and the hinge shaft is made of stainless steel, the side of the operation lever which hits the hinge shaft is easily broken or the groove is pitched concavely in the inside of the operation lever by the wear phenomenon The latches of the latches protrude further toward the front of the latches as the latches are moved to the front by the size of the grooves formed on the side surfaces of the operating levers. In particular, when the operating levers are moved to the inside of the operating levers Since the distance for moving the hinge axis to the rear side is also shortened by the size of the concave formed groove Due to the breakdown of the jam does not fully released from kaetchyeo There are many problems difficult to open the door.

In addition, there is also a problem that the operation lever is damaged in the process of pulling the external handle forcibly while the external handle is locked, and the replacement cost of the component is excessively increased.

In the conventional door lock device, even when the key spindle is in a locked state, the outer handle is always held in a fixed state. When the outer handle is repeatedly and continuously pulled, the lock plate fixed to the latch and the hinge shaft There is a problem that the latch is lifted slightly to the upper portion of the additional rotation cam so that the fixing portion is disengaged from the guide projection of the rotation cam and the latch is moved to the rear side.

The conventional door lock device has a problem in that the inner handle of the releasing means is not fixed to the rear surface of the door with a bolt and is twisted in the process of pulling the outer handle excessively.

In the conventional door lock device, when the rotary shaft of the inner handle is bent or the inner handle is separated from the door in the process of forcibly operating the outer handle, a danger that the door can not be opened when a person is trapped in the refrigerator and freezer Lt; / RTI >

The door lock device of the related art has a problem in that the door is opened by the operation of pulling out the external handle and the other person steals the product of the refrigerator and the freezer.

The conventional door lock device has a problem in that it requires replacement of the internal handle due to the operation of the external handle and maintenance work which requires replacement of some parts from time to time and excessive replacement cost.

Registration No. 10-1448218

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional problems, and it is an object of the present invention to provide an operating lever, which is coupled to both sides of an operating lever protruding from a front surface of an outer handle, So that the pushing plate of the auxiliary lever comes in contact with the hinge shaft formed on the rear surface of the latch so that the operating lever can be prevented from directly hitting the hinge shaft. .

Another object of the present invention is to provide an operation lever which is capable of projecting a jumping plate to the lower end of the auxiliary lever and bending the jumping plate inwardly so that the jumping projection of the operation lever can be brought into close contact with the inner side, And a door lock device for a refrigerator and a freezer door that can be firmly fixed on a side surface of a lever.

It is a further object of the present invention to provide a locking mechanism for a locking and unlocking device, in which a locking portion of a locking plate, which moves together with a latch, A spring and a stopper are provided on the rear surface of the moving plate so as to prevent a movement of the moving plate to the rear surface so that the moving distance of the moving plate is controlled and the rear surface of the moving plate is elastically supported by the elastic force of the spring, And to provide a door lock apparatus for a refrigerator and a freezer door in which a fixing portion of a plate can be more firmly fixed to a guide projection of a rotation cam.

Another object of the present invention is to provide a spring support plate on the rear surface of the moving plate so as to elastically support the spring, a fixing plate formed on the rear surface of the stopper plate is bolted to a fixing protrusion formed on the bottom plate, And a door lock apparatus for a refrigerator and freezer door that prevents the spring from being released to the outside by extending the plate.

Another object of the present invention is to provide a door lock for a refrigerator and a freezer door which can prevent a person from getting out of the door due to a twist of an inner handle and a rotary shaft installed at the rear of the door in the process of pulling an outside handle Device.

Another object of the present invention is to prevent the operation lever of the outer handle from being damaged during the process of pulling the outer handle from time to time, thereby reducing the maintenance cost of the outer handle, And to provide a door lock apparatus for a refrigerator and a freezer door to which an auxiliary lever can be applied.

In order to accomplish the object of the present invention, the present invention is characterized in that an operation lever is integrally formed on a front surface of an outer handle, and the operation lever is provided with a jaw projection protruding downward, and the operation lever and the auxiliary lever And the other end of the hinge shaft is fixed to the inside of the operation lever and the auxiliary lever is integrally formed so as to protrude the lower plate toward the lower side so that the pushing projection of the operation lever is in close contact with the inner side wall surface of the auxiliary lever The latch plate is fixed to a hinge shaft on an inner rear surface of the latch, the latch plate is closely attached to a hinge shaft located on both sides of the lock plate, and the operation of the outer handle The pushing plate moves the latch while pushing the hinge axis to the rear side, and a moving plate is installed at the lower end of the latch, A spring protrusion and a spring support plate are formed on an upper rear surface of the movement plate, a fixing protrusion is formed on a rear surface of a bottom plate on which the movement plate is installed, and a spring and a stopper The spring and the stopper lift up the fixing portion of the locking plate to the upper portion of the rotating cam in the process of pulling the outer handle to the upper portion of the steel while moving the latch and the moving plate to the rear side, Thereby preventing the opening.

delete

As described above, in the present invention, when the auxiliary lever is provided on both sides of the operation lever formed on the front surface of the outer handle to pull out the locked outer handle to the steel or pull the outer handle to open the door, A pushing plate is formed on the rear surface of the auxiliary lever so as to surround the pushing protrusion located on the rear side of the pushing lever and the pushing piece is projected upward from the side of the pushing plate, There is an effect that the jamming projection is prevented from directly colliding with the hinge shaft while maintaining a firmly fixed state on the side surface and the problem that the operation lever is damaged and the replacement and maintenance cost of parts is excessively required is solved .

In the present invention, when the outside handle installed on the front of the outer case is locked and the other person pulls the outer handle from time to time, the latch portion of the lock plate is continuously lifted and released from the guide projection of the rotation cam, A spring and a stopper are provided on the rear surface of the moving plate so as to prevent the door from being opened, thereby controlling the moving distance of the moving plate, and a spring supporting plate formed on the rear surface of the moving plate to support the spring more flexibly There is an effect that the fixing portion of the lock plate can be maintained firmly fixed to the guide projection of the rotation cam.

The present invention provides a stopper for preventing a spring supporting a moving plate from being detached from the outside, a fixing plate formed on a rear surface of the stopper is fixed to a fixing protrusion formed on a bottom plate with bolts, and a side plate is extended to the front surface of the fixing plate It is effective to wrap the peripheral surface of the spring and to form the side plate in the shape of '? Indirect' to prevent the spring support plate of the moving plate from colliding with the side plate.

The present invention has the effect of preventing a person who is trapped in the refrigerator or freezer from coming out due to malfunction of the inner handle due to the twisting of the inner handle and the rotary shaft installed on the rear side of the door in the process of pulling the outer handle by the steel .

This design improves the structure of the outer handle and the structure of the moving plate to prevent the parts from being damaged, and the auxiliary lever and the stopper to various outer handles applied to the door lock device to be used in various products There is an effect.

1 is an exploded perspective view of the present invention door lock device.
Fig. 2 is a partially enlarged cross-sectional view of the door lock device with its outer handle locked; Fig.
Fig. 3 is a partially enlarged cross-sectional view of a state in which the outer handle of the door lock device is released. Fig.
4 is an exploded perspective view of another embodiment of the present invention door lock device.
5 is a cross-sectional view of the door lock device of FIG.
6 is a sectional view of an operation state of the present invention door lock device.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The case installed in the door of the refrigerator and the freezer is provided with an outer handle 11 on the front surface of the outer case 10 which is installed outside and an inner case 20 and a bottom plate 40 are provided inside the outer case 10, The latch 21 and the moving plate 30 are moved together to open and close the door between the inner case 20 and the bottom plate 40. In this case, An operation lever 12 formed on the front surface of the outer handle 11 is coupled to the operation lever 12 and auxiliary levers 14 are closely attached to both sides of the operation lever 12 to be installed on the rear surface of the latch 21 The spring 35 and the stopper 36 are provided on the rear surface of the moving plate 30 so as to open the door by moving the moving plate 30 located at the lower end of the latch 21 together while moving the hinge axis H to the rear. So as to control the moving distance of the moving plate 30 and at the same time the outer handle 11 So that the latch 21 can not move to the rear side.

FIG. 1 is a perspective view of an auxiliary lever 14 installed on an outer handle 11 of a door lock device according to the present invention. An outer handle 11 installed on a front surface of the outer case 10 has a hinge shaft H, And when the user pulls the outer handle 11, the outer handle 11 and the operation lever 12 rotate about the hinge axis H together and the operation lever 12 is rotated by the outer handle 11, A protrusion 13 protrudes from both sides of the rear surface of the operation lever 12 and is in close contact with a hinge shaft H of a latch 21 to be described later, Since the operation lever 12 is made of zinc, the operation lever 12 is easily broken and twisted due to an external impact or the hinge shaft H and the jamming protrusion 13 directly strike the jamming protrusion 13 There is a problem that the latch 21 is difficult to operate while the back surface is recessed inward to the inside, The auxiliary lever 14 is installed on both sides of the operation lever 12 so that the auxiliary lever 14 is protruded from the lower end of the operation lever 12 so as to have the same shape as the operation lever 12, The jumping plate 15 is brought into close contact with the hinge shaft H of the latch 21 to be described later while the jamming projection 13 is kept in close contact with the inner side so that the latch 21 is moved to the rear side The jamming plate 15 is not easily broken because it is made of the same material as the hinge shaft H and the jamming piece 16 protrudes upward from the side surface of the jamming plate 15, The auxiliary lever 14 is fixed to the operation lever 12 in a fixed manner so that the auxiliary lever 14 can be maintained firmly fixed to the operation lever 12. The auxiliary lever 14 has a hinge The auxiliary lever 14 and the auxiliary lever 14 are formed on the hinge axis H which is formed in the hole 17 and is coupled to the inner case 20 The operating lever 12 is continuously engaged and the outer handle 11 and the auxiliary lever 14 rotate together around the hinge axis H. [

The door lock device provided with the auxiliary lever 14 in the outer handle 11 of FIG. 1 is also applicable to the door lock device for the refrigerator and freezer door of the prior art, as shown in FIG. 10-1448218. And can be used by applying to.

FIG. 4 is a view showing a door lock device according to another embodiment of the present invention. The portion where the auxiliary lever 14 is applied to the outer handle 11 of the present invention is the same as the above description, The inner case 20 and the bottom plate 40 are sequentially coupled to the outer case 10 and the outer handle 11 engaged with the inner case 20 by the hinge axis H is pulled, The operating lever 12 formed on the front surface of the case 11 moves the latch 21 disposed between the inner case 20 and the bottom plate 40 to the rear so that the moving plate 30 coupled with the latch 21 The lock plate 23 is moved together with the hinge shaft H when the latch 21 is moved to the rear side and the lock plate 23 is moved together with the pressing portion 24 and the fixing portion 23, (25), and when the latch (21) moves to the rear side, the fixing part (25) is moved to the upper part of the rotation cam The rotation protrusion 51 of the rotation cam 50 operates the moving plate 30 by the operation of the inner handle installed inside the bottom plate 40 so that the locking state of the latch 21 The auxiliary lever 14 is closely attached to the operating lever 12 of the outer handle 11 and is coupled to the hinge axis H so that the auxiliary lever 14 is engaged with the auxiliary lever 14. [ The jumping plate 15 formed on the rear surface is brought into close contact with the hinge shaft H of the latch 21 to be described later so that the jumping plate 15 moves the latch 21 to the rear side together with the outer handle 11, (Not shown) formed on a side surface of the door so as to open and close the door while a locking plate 23 is hinged to the rear surface of the latch 21, And a locking part 24 is formed on a front surface of the lock plate 23 and a fixing part 25 is fixed to the rear surface of the locking plate 23 So that the pressing portion 24 is initially fixed by the key spindle which keeps the outer handle 11 locked. When the user inserts the key into the key spindle and rotates, the pressing portion 24 is pressed The fixing portion 25 of the lock plate 23 is separated from the rotation cam 50 to be described later so that the latch 21 moves to the rear side and the movable projection 26 protrudes from the lower side of the rear surface of the latch 21 Is inserted into the first moving groove 33 of the moving plate 30 which slides inside the bottom plate 40 so that the latch 21 moves the moving plate 30 together.

The moving plate 30 which moves together with the latch 21 is inserted into a seating portion 41 formed inside the upper portion of the bottom plate 40 and the supporting projection 42 A cam hole 43 is formed in the rear surface of the support protrusion 42 to receive a rotation cam 50 to be described later. A spring retaining groove 44 is formed on a rear surface of the spring retaining groove 44 so that a spring 35 to be described later is inserted therein and a fixing protrusion 45 protrudes upward from both sides of the spring retaining groove 44, 46 are formed and the stopper 36 to be described later is fixed with a bolt.

The moving plate 30 inserted into the seating portion 41 of the bottom plate 40 is formed in a plate shape so that a jumping projection 31 protrudes from both upper and lower sides of the rear upper surface of the rotating plate 50 A spring support plate 32 protrudes upward to protrude upward from the center of the protrusion protrusion 31 so that the protrusion of the spring 35 protrudes upward, The front surface of the moving plate 30 is closely contacted with the moving plate 30 to elastically support the moving plate 30 while controlling the moving distance of the moving plate 30. A first moving groove 33 is formed on both front and rear surfaces of the moving plate 30, A second moving groove 34 is formed in the center of the moving plate 30 so that the rotating cam 50 is inserted into the center of the moving plate 30 , And a spring (35) inserted into the spring support groove (44) of the bottom plate (40) The front surface of the fixing protrusion 45 is in close contact with the spring support plate 32 of the moving plate 30 and the back surface of the fixing protrusion 45 is in close contact with the rear surface of the bottom plate 40, And the bolt hole 37a is formed in the fixing plate 37 so as to be fixed to the fixing protrusion 45 by a bolt, The side plate 38 is formed to have a shape of '┌┐' so as to prevent the spring 35 from deviating to the outside while the side plate 38 is extended to the front surface of the fixing plate 37, The spring 35 is compressed and expanded so that the spring support plate 32 which is in close contact with the spring 35 can move along the inside of the side plate 38. [

In the present invention, the operation of the door lock device for the refrigerator and the freezer door will be described. In this case, even if the other person pulls the outer handle 11 continuously while the outer handle 11 is locked, It is possible to prevent the phenomenon that the hinge shaft H is broken or the groove is burnt even if the hinge shaft 15 hits against the hinge shaft H and the outer handle 11 The fixing portion 25 of the lock plate 23 is continuously moved while being lifted up by the guide protrusion 52 of the rotation cam 50 so that the latch 21 and the moving plate 30 Since the spring 35 elastically supports the moving plate 35 on the rear surface of the moving plate 30, the fixing portion 25 of the locking plate 23 is prevented from moving backward, Further, the guide protrusion 52 of the rotation cam 50 and the rigid The fixing portion 25 is not lifted up even when the outer handle 11 is pulled by the steel material while maintaining the tight contact with the outer handle 11 so that an accident that the door is opened can be prevented in advance, ) In the course of pulling the steel material into the steel, the inner handle and the rotating shaft 53 are twisted to prevent a person who is trapped in the refrigerator and freezer from coming out.

When the outer handle 11 is released from the locked state and the outer handle 11 is pulled out, the outer handle 11 and the auxiliary lever 14 are rotated together, The latch 21 is moved to the rear side while pushing the hinge axis H and the movable projection 26 is moved along the first moving groove 33 by the movement of the latch 21, The door is opened while the latch 22 formed on the front surface of the latch 21 is separated from the catch (not shown), and the moving plate 30 is elastically supported by the elastic force of the spring 35 The rotation shaft 53 of the inner handle rotates together with the rotation cam 50 so that the rotation protrusion 51 of the rotation cam 50 rotates together with the jamming protrusion 31 Is moved to the rear side so that the moving plate 30 moves to the rear side and the latch 21 is also moved to the rear side The copper can easily open the door from inside the cold storage and freezer.

The present invention is characterized in that the auxiliary lever 14, which is formed in the same shape as the operating lever 12 of the outer handle 11, can be applied to various outer handles 11, It is possible to prevent an accident that the door is opened during the pulling operation, thereby preventing an accident that the refrigeration and freezer articles are stolen.

The present invention is not limited to the above-described embodiments, and various modifications and changes may be made without departing from the scope of the present invention as set forth in the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS Any person skilled in the art will recognize that there is a technical spirit of the invention to the extent that various modifications can be made without departing from the spirit of the invention.

10: outer case 11: outer handle
12: operation lever 13: jaw projection
14: Auxiliary lever 15:
16: latching piece 17: hinge hole
20: inner case 21: latch
22: locking plate 23: locking plate
24: pressing portion 25:
26: moving projection 30: moving plate
31: jumper guide projection 32: spring support plate
33: first moving groove 34: second moving groove
35: spring 36: stopper
37: fixed plate 38: side plate
40: base plate 41: seat part
42: support protrusion 43: cam hole
44: spring support groove 45:
46: bolt hole 50: rotation cam
51: rotation projection 52: guide projection
53: rotation axis H: hinge axis

Claims (7)

delete delete A latch which is provided between an inner case and a bottom plate and which is formed on a front surface of the outer handle when the outer handle coupled to the inner case and the hinge shaft is pulled, The movable plate coupled with the latch moves together to open the door, and when the latch is moved to the rear, the lock plate coupled with the hinge shaft moves together, and the lock plate is separated into the pressing portion and the fixed portion, The rotation protrusion of the rotation cam actuates the moving plate to release the lock state of the latch by the operation of the inner handle installed inside the bottom plate, And a door lock device for a freezer door,
The operation lever 12 is integrally formed on the front surface of the outer handle 11 and the operation lever 12 is protruded to the lower side and the operation lever 12 and the jaw protrusion 13 One end of the hinge shaft H is inserted into the auxiliary lever 14 attached to the side and the other end of the hinge shaft H is fixed to the inside of the operation lever 12, The pushing projection 13 of the operating lever 12 is brought into close contact with the inner side wall of the auxiliary lever 14 and the pushing plate 15 is pressed against the inner side wall of the latch 21 The lock plate 23 is fixed to the inner rear surface of the latch 21 by a hinge shaft H and the hinge shaft H located on both sides of the lock plate 23 is provided with a push plate 15 The operation of the outer handle 11 causes the jumping plate 15 to move the latch 21 while pushing the hinge axis H to the rear side and the lower end of the latch 21 moves A plate 30 is installed and slid inside the bottom plate 40. A slide protrusion 31 and a spring support plate 32 are formed on the upper rear surface of the moving plate 30, A spring 35 and a stopper 36 are provided on the spring support plate 32 and the fixing protrusion 45 of the moving plate 30 The spring 35 and the stopper 36 control the moving distance of the moving plate 30 so that the fixing portion 25 of the locking plate 23 is rotated by the rotation cam 50 so as to prevent the latch 21 and the moving plate 30 from moving rearward to prevent the door from being opened. 4. The slide fastener according to claim 3, wherein the auxiliary lever (14) has an end portion of the pushing plate (15) bent inwardly so that the pushing projection (13) And the latching piece 16 is folded on the side surface of the latching piece 16 so as to be fixed to the side surface of the latching protrusion 13 in a fitting manner and a hinge hole 17. The door lock device for a refrigerator and freezer door as claimed in claim 16, wherein the hinge shaft (H) is connected to the outer handle (11). The fixing device according to claim 3, wherein a fixing protrusion (45) is protruded upward from both side surfaces of the rear surface of the bottom plate (40), a bolt hole (46) is formed in an upper portion of the fixing protrusion (45) , And a spring (35) is inserted into the spring holding groove (44). The door lock device for a refrigerator and freezer door according to any one of claims 1 to 3, 4. The apparatus according to claim 3, wherein the moving plate (30) has a projecting protrusion (31) protruding from both sides of the upper surface thereof so as to be in close contact with the rotation protrusion (51) of the rotating cam (50) A spring support plate 32 protrudes upward and a spring 35 is closely attached to the spring support plate 32 to control the moving distance of the moving plate 30 by the elastic force of the spring 35, The first moving groove 33 is formed on the front and both sides of the front surface of the moving plate 30 so that the moving plate 30 is moved by inserting the moving protrusion 26 protruding from the lower surface of the rear surface of the latch 21, Wherein a second movement groove (34) is formed in an inner center of the door to allow the rotation cam (50) to be inserted therein. The stopper (36) according to claim 3, wherein the stopper (36) prevents the spring (35) from being inserted into the side plate (38) And a bolt hole 37a is formed on the inner side of the fixing plate 37 to fasten the bolt to the fixing protrusion 45 formed on the bottom plate 40 Door lock device for refrigerator and freezer doors.
KR2020150007487U 2015-11-18 2015-11-18 Door Lock Apparatus for Refrigerator and Freezer's door KR200482334Y1 (en)

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KR2020150007487U KR200482334Y1 (en) 2015-11-18 2015-11-18 Door Lock Apparatus for Refrigerator and Freezer's door

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948659A (en) * 2017-04-18 2017-07-14 苏州琨山通用锁具有限公司 Plug-type electronic lock handle mechanism

Citations (2)

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