KR102067569B1 - Door Lock Apparatus for Refrigerator and Freezer''s door - Google Patents

Abstract

The present invention relates to a door lock apparatus for a fridge-freezer door, and more particularly, to a door lock apparatus for a fridge-freezer door capable of improving assembly properties by improving a structure by integrally installing a case and a base plated installed outside a door panel without separating and installing a housing inside the door panel to fix the housing and the case together by using a fixing bolt, and capable of preventing a rotary shaft from being shifted by making the rotary shaft of an inner shaft returns to an original position by a return member installed in the case even though a position of the case installed outside the door panel is slightly shifted.

Description

Door Lock Apparatus for Refrigerator and Freezer ''s door}

The present invention relates to a door lock device for a refrigerating and freezer door, and more particularly, a case and a bottom plate installed on the outside of the door panel are integrally installed without separating the housing, and the housing is provided on the inside of the door panel located opposite to the case. After the installation, the assembly structure is improved to fix the housing and the case together using fixing bolts to improve the assemblability, and the rotation shaft of the inner handle is installed on the case even if the position of the case installed on the outside of the door panel is slightly twisted. It relates to a door lock device for a refrigerator and a freezer door, which prevents the internal handle and the rotating shaft from being returned to its original position by the member and the twisting of the rotating shaft is prevented.

In general, refrigerators and freezers are used to prevent decay by temporarily and long-term safe storage of items that require refrigeration and freezing, and refrigerators and freezers combine a plurality of panels to secure internal space, and then The door is formed therein, the door panel is provided with a door lock device for the refrigerator and freezer door made of an outer handle and the inner handle to lock and unlock the door panel of the door.

The door lock device for refrigerators and freezer doors of Patent Document No. 10-0321873 of Patent Document 1 is a door lock device in which a lock corresponding to a striker installed in the freezer and freezer chambers is adjusted by adjustment of a handle. A catcher having a built-in portion and a receiving portion by a bent portion for concealing a support plate for installing the striker; The linear reciprocating motion of the operating plate by the rotational operation of the outer handle that controls the amount of movement of the finger turning a predetermined range in and out of the freezing and refrigerating chamber in response to the striker and the trigger connected to the inner handle at a position opposite to the outer handle. And opening means for inducing; An inner handle disposed inside the refrigeration and refrigerating chamber without being influenced by the outer handle being locked, and an inner handle fitted with a rotating shaft connecting the trigger, and a release means in close contact with the operation plate corresponding to the trigger; It characterized in that it comprises a locking means for fixing the outer handle to the lock box for receiving the opening and closing means.

The door lock device of Patent Literature 1 is not possible to install the bottom plate on the door, so the bottom plate is removed from the case and the bottom plate is bolted to the door, and the rotary shaft of the inner handle is attached to the trigger installed on the bottom plate. If the end of the rotating shaft does not coincide with the trigger and the torsion is applied, the trigger is rotated by forcibly inserting the rotating shaft into the trigger. At this time, as the operation plate connected to the trigger moves, it is difficult to assemble the case and the outer handle. Problems, such as the problem that can not be combined with the case of the worker alone, there are problems that a number of workers proceed to work, and the position of the inner handle is slightly distorted in the process of forcibly inserting the rotary shaft into the trigger.

If the inner handle remains twisted, the trigger rotates and the moving bar pulls the finger, which causes the outer handle to be lifted upwards, and the outer handle is lifted or twisted to the outer handle and the inner handle due to external impact. If it acts, there is a problem that the cold air inside the refrigerator and the freezer moves to the outer handle along the metal and the water flows out while the gas is taken out.

In the process of frequently operating the rotating shaft of the inner handle, the inner handle does not maintain its original position and is always twisted so that the trigger operates the operation plate, and the inner handle and the outer handle are damaged or twisted due to external impact. If it is working, there is a problem that the operation of the outer handle is difficult because the rotating shaft is distorted.

When operating the inner handle of Patent Literature 1, the outer handle is kept in a lifted state, and if the operator does not operate the outer handle in its original state, the door is always kept open and the movement of the moving bar for operating the outer handle As the clasp moves inside the groove, the movement distance of the clasp is minutely spaced between the flow spaces formed inside the groove, so that the external handle is always lifted finely so that the cold air inside the freezer and the freezer is kept. There is a problem that is leaked to the outside.

When the housing of the outer handle and the inner handle are fixed to the door panel with a short bolt, the urethane is simply built into the door panel, so the internal handle cannot be firmly fixed. There is a problem that can not release the door in the closed state while the play occurs between the trigger and the operation plate during the operation.

In the case of the pre-registered Patent No. 10-1448218 of Patent Literature 2, the door lock device for the refrigerator and freezer door is fixed to the bottom surface of the inner case 11 with a bolt to fix the bolt to the door to seal the inside, Fixing protrusions 12b protrude from the front of the fixing frame 12 formed on both side surfaces of the inner case 11, and a locking groove 12c is formed inside the rear side of the inner case 11, the door The outer case 16 is coupled to prevent the fixed inner case 11 from being separated from the outside by steel, but the fixing protrusion 12b of the inner case 11 is fixed to the fixing groove 16a formed inside the outer case 16. The case 10 is fixedly coupled and fitted, and the locking protrusion 16b formed inside the rear side of the outer case 16 is fixed to the locking groove 12c of the inner case 11; One end of the operation lever 22 formed on the front of the outer handle 21 to the inner case 11 is fixed to the hinge axis, the other end of the outer handle 21 extends to the rear of the outer case 16, A latch 23 is installed between the inner case 11 and the bottom plate 14, and the operating lever 22 of the outer handle 21 is in close contact with the hinge shaft coupled to the rear surface of the latch 23 to the hinge shaft. And opening and closing means 20 for moving the latch 23 to the rear to open the door; The fixing plate 31 is inserted into the rear inner side of the bottom plate 14, the sliding guide protrusion 32 protrudes upwards from the rear of the fixing plate 31, and the rotating cam is disposed inside the fixing plate 31. A bottom surface of the 34 penetrates and protrudes toward the lower end of the bottom plate 14, and rotation protrusions 35 are formed on both sides of the front surface of the rotary cam 34 to closely adhere the fixing plate 31 to the bottom plate 14. The guide protrusion 35b extends to the front surface of the locking groove 35a formed at the center of the rotating protrusion 35, and the locking plate 36 is fixed to the hinge shaft of the latch 23 to form a pressing portion formed on the front surface of the rotating protrusion 35. The fixing part 36b formed on the rear side by the seesaw operation of 36a is in close contact with and detached from the locking groove 35a of the rotary cam 34, and the keying pins 38 and the key housing are formed on the upper plate of the outer case 16. Locking means (30) is coupled to the locking projection (39a) protruding on the bottom surface of the key housing (39) to press and release the pressing portion (36a) is coupled; And a rotation shaft 42 of the inner handle 41 is inserted into the rotation cam 34 protruding to the bottom plate 14, and when the inner handle 41 is rotated, the rotation protrusion 35 of the rotation cam 34 is rotated. ) Lifts the fixing part 36b of the fixing plate 31, while the fixing part 36b is separated from the guide protrusion 35b, the rotating protrusion 35 of the rotating cam 34 moves the induction protrusion 32. It is characterized in that it comprises a; release means 40 for releasing the locked state of the latch 23 by the push to the rear.

The door lock device of Patent Literature 2 should keep the outer handle fixed even if the kiss pins pull the outer handle in the locked state. If the outer handle is repeatedly pulled continuously and continuously, the locking plate coupled with the latch and hinge shaft While the fixing portion of the rotary cam is slightly lifted up to the upper portion of the rotary cam, the fixing portion is separated from the guide protrusion of the rotary cam, and the latch moves to the rear side.

The door lock device of Patent Document 2 has a problem that the inner handle of the release means does not maintain the bolted state on the rear side of the door in the process of excessively pulling the outer handle, causing distortion.

The door lock device of Patent Literature 2 does not open the door when the inside handle is bent in the process of excessively operating the outer handle or the inner handle is kept away from the door, so that a person is trapped inside the refrigerator and the freezer. There is a risk of not being able to.

The door lock device of Patent Literature 2 has a problem in that it is difficult to maintain and replace excessively the cost of the maintenance work of replacing the internal handle and some parts from time to time by the operation of the external handle.

Republic of Korea Registration No. 10-0321873 Republic of Korea Registered Publication No. 10-1448218

The present invention is to solve the above-mentioned conventional problems, the object of the present invention is to install the case and the bottom plate to be installed on the outside of the door panel without being separated, and to the inside of the door panel located on the opposite side corresponding to the case After installing the housing, fasten the housing and the case together using fastening bolts to quickly assemble and disassemble the outer and inner handles, and even if the case is slightly twisted in the process of joining the case and the housing, It is to provide a door lock device for a refrigerator and a freezer door, which can prevent a phenomenon in which the inner handle is returned to its original position by the return member installed on the rotation shaft of the handle and the rotation shaft is distorted.

Another object of the present invention is to form the first and second stoppers on both sides of the rear of the housing to protrude backwards, and to protrude the first and second locking protrusions on both sides of the return springs inserted into the first and second stoppers. It is in close contact with the side of the first and second stoppers, and the cover spring is installed so that the return spring does not escape to the outside, and rotates together with the rotating shaft, and the plurality of rotation engaging projections formed on the front of the cover are in close contact with the first and second locking projections. When the axis of rotation of the handle rotates, one of the rotational engagement projections of the cover rotates one of the first and second locking projections to open the door, and then quickly returns to its original position to prevent the rotation shaft from twisting. It is to provide a door lock device for a refrigerator and freezer door.

Another object of the present invention is to maintain the state in which the external handle is raised when operating the inner handle in the prior art and the door is always kept open when the operator does not operate the outer handle in the original state, the outer handle In the process of moving the clasp of the moving bar to be operated in the groove, the movement distance of the clasp is minutely generated between the flow space formed inside the groove so that the external handle always maintains a finely lifted state. It is to provide a door lock device for a refrigerator and freezer door to eliminate the phenomenon of the internal handle and the twist using a return member.

Another object of the present invention is to insert a plurality of guide holes formed in the inside of the door panel by forming a plurality of auxiliary guides on the front of the bottom plate to simplify the coupling operation of the case and the bottom plate on the door panel, so that the installation position of the case is not twisted. And a plurality of guide parts are protruded inside the rear side of the housing to be installed inside the door panel and inserted into the guide holes to form a fastening member so that the installation position of the housing is not twisted. It is to provide a door lock device for the refrigerator and freezer door that can be fixed by fastening the fixing bolt.

Yet another object of the present invention is that the urging strength of the fixing bolt in the process of installing the housing to the door panel is increased while the urethane formed inside the door panel is pushed into the door panel, so that the problem can be solved. It is to provide a door lock device for a refrigerating and freezer door provided with a length adjusting pipe between a guide part of a housing and an auxiliary guide part of a base plate.

Still another object of the present invention is to provide a door lock device for a refrigerating and freezer door that allows the length of the length adjustment pipe to be made in various ways so that the case and the housing can be more firmly fixed in response to the thickness of the door panel. .

Another object of the present invention is to form a jig member so that the position of the plurality of guide holes and the rotating shaft hole formed in the interior of the door panel is always at the same position, the door panel is installed on the top of the jig, the jig inside The drill is installed on the upper part of the plurality of holes formed in the through-hole to guide the guide hole and the rotating shaft hole in the door panel to quickly combine the case and the housing, and to install and remove the case and the housing. It is to provide a door lock device for a refrigerator and freezer door that enables one worker.

Still another object of the present invention is a refrigerator and freezer door, which is expanded in a range of use so that it can be applied to various structures of an external handle that can release a door by operating a finger formed inside the case by rotation of an inner handle and a rotating shaft. It is to provide a door lock device for.

Another object of the present invention is to improve the coupling structure of the case and the housing to facilitate the assembly and maintenance work, and the external handle and the external handle by the process of operating the external handle and the inner handle from time to time or external impact It is to provide a door lock device for the refrigerator and freezer door that can prevent the phenomenon that the water flows out by moving to the outside handle along the cold air metal inside the refrigerator and freezer by the action of the twist to the inner handle. .

In order to achieve the object of the present invention as described above, the door lock device for a refrigerator and freezer door according to the present invention for the refrigerator and freezer door for locking and unlocking the door by the operation of the outer handle and the inner handle installed in the refrigerator and freezer. In the door lock device, a bottom plate coupled to the case is provided on the outside of the door panel, and the finger connected to the moving bar is separated from the striker by the operation of the external handle installed inside the case to open the door, and the front of the moving bar. Opening and closing means for installing the operation plate in the; A housing having an inner handle is coupled to the inside of the door panel, and a rotating shaft coupled to the inner handle is connected to a rotating cam installed on an operation plate. When the inner handle is rotated, the rotating shaft and the rotating cam are rotated. While the operation plate moves linearly, the moving bar and the finger are pulled to release the closed door, and the return member is installed inside the housing to return to the original position after operating the inner handle. Protruding first and second stoppers in the interior of the first and second stoppers, and engaging first and second locking protrusions of the return springs coupled to the first and second stoppers, respectively, to the sides of the first and second stoppers, Coupling the cover to the surface so that any one of the first and second locking projections of the return spring can be returned to its original position, and the back and rotation of the cover Release means to install the retaining ring on the circumferential surface of fixing the cover to the axis of rotation; And protruding a plurality of guide parts inside the rear surface of the housing, forming a bolt hole in the guide part to penetrate the front surface of the housing, and protruding a plurality of auxiliary guide parts to correspond to the guide parts of the housing on the front surface of the bottom plate. And a length adjusting pipe installed between the guide part and the auxiliary guide part and fastening a fixing bolt to the inside of the guide part and the auxiliary guide part. Characterized in that it comprises a.

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The present invention provides a return spring inside the first and second stoppers of the housing, protrudes the first and second locking projections on both sides of the return spring, and closely adheres to the side surfaces of the first and second stoppers, and surrounds the return spring. A cover is formed to surround the surface, wherein the cover forms a support plate made of a plate shape so that the return spring does not escape to the outside, and forms a rotation hole made of a quadrangular shape so as to insert a rotation shaft inside the support plate. A plurality of rotation engaging projections project on the front surface of the support plate, the rotation projection is in close contact with the first and second locking projections of the return spring, when the rotation axis of the inner handle rotates any one of the first and second locking projections It is characterized by having a return member for returning to its original position after rotating one by operating the rotary cam.

According to the present invention as described above, the present invention has the hassle of separating the bottom plate from the case in the process of installing the case outside the door panel, the inner shaft of the handle combined with the rotary cam of the base plate and then coupled to the base plate again When the case and the bottom plate are not smoothly coupled, the structure is improved so that the case and the bottom plate are integrally installed outside the door panel without removing the case and the bottom plate so as to eliminate the trouble of twisting the rotating shaft of the inner handle. After installing the housing on the inside of the door panel to be installed on the opposite side and then fixing the housing and the case together using a fixing bolt has an effect that can quickly perform the assembly and separation of the outer handle and the inner handle.

According to the present invention, even when the case is slightly twisted in the process of combining the case and the housing, the inner shaft is returned to its original position by the return member installed on the inner handle and the rotating shaft. And it is effective to prevent the phenomenon of exiting the cold air inside the freezer.

The return member of the present invention forms first and second stoppers on both sides of the rear surface of the housing and protrudes backward, and protrudes first and second locking protrusions on both sides of the return spring inserted into the first and second stoppers. It is in close contact with the side of the first and second stoppers, and the cover spring is installed so that the return spring does not escape to the outside, and rotates together with the rotating shaft, and the plurality of rotation engaging projections formed on the front of the cover are in close contact with the first and second locking projections. When the axis of rotation of the handle is rotated, any one of the rotation engaging projections of the cover rotates one of the first and second locking projections to open the door, and then quickly returns to the original position, thereby preventing the rotation shaft from being twisted. There is.

The present invention maintains a state in which the external handle is lifted when operating the inner handle in the prior art and the problem that the door is always kept open when the operator does not operate the outer handle in the original state, the moving bar for operating the outer handle In the process of moving the clasp inside the groove, the movement distance of the clasp is minutely generated between the flow spaces formed in the inside of the groove so that the outer handle always maintains a finely lifted state. There is an effect eliminated by using.

The present invention forms a plurality of auxiliary guides on the front surface of the bottom plate so as not to twist the installation position of the case while simplifying the coupling operation of the case and the bottom plate in the door panel and inserted into the plurality of guide holes formed inside the door panel, door panel Protrudes a plurality of guides on the inside of the rear of the housing to be installed on the inner side of the housing to be inserted into the guide hole to form a fastening member so that the installation position of the housing is not twisted. The simple operation of doing so has the effect of quickly assembling and detaching work by the worker alone.

The present invention is installed inside the door panel as the door panel is pushed inward when the tightening strength of the fixing bolt is increased in the process of installing the length adjustment pipe between the guide portion of the housing and the auxiliary guide portion of the bottom plate to install the housing on the door panel Urethane crying has the effect of solving the problem that the distortion occurs.

According to the present invention, the length of the length adjusting pipe is made in various ways, so that the case and the housing can be more firmly fixed without damaging the door panel corresponding to the thickness of the door panel.

The present invention forms a jig member so that the positions of the plurality of guide holes and the rotating shaft hole formed inside the door panel are always formed at the same position, the door panel is installed on the top of the jig, and the plurality of guide holes formed inside the jig By installing a drill on the top of the hole, through the guide hole and the rotating shaft hole in the door panel, there is an effect that can quickly perform the coupling operation of the case and the housing.

The present invention extends the use range of the door lock device so that the return member and the fastening member can be applied to various structures of the outer handle that can release the door by operating the finger formed inside the case by the rotation of the inner handle and the rotating shaft. It works.

The present invention is to improve the coupling structure of the case and the housing to facilitate the assembly and maintenance work, and the external handle and the inner handle by the external shock or the process of operating the external handle and the inner handle from time to time to the external impact The torsion acts on the refrigerator and moves to the outer handle along the cold air metal inside the freezer, thereby preventing the gas from flowing out and water flowing down.

1 is a cross-sectional configuration of the installation state of the door lock device of the present invention.
Figure 2 is a perspective view of a partially separated state of the door lock device of the present invention.
Figure 3 is an exploded perspective view of the release means of the present invention.
Figure 4 is a rear configuration diagram of A and B showing the operating state of the present invention release means.
Figure 5 is a cross-sectional configuration of the length adjustment pipe installed in the door lock device of the present invention.
6 is a perspective view of the jig member of the present invention.
Figure 7 is a cross-sectional configuration of another embodiment of the door lock device of the present invention.

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

1 to 7, the present invention integrally installs the case 21 and the bottom plate 22 on the outside of the door panel 10, and forms an external handle 23 inside the case 21 to form an outside. By the operation of the handle 23, the moving bar 24 pulls the finger 25 to separate the opening and closing means 20 from the striker 26, and the inner side of the door panel 10 corresponding to the case 21. The housing 31 is installed in the housing, and the handle is released by pulling the moving bar 24 and the finger 25 by the rotation of the inner handle 32 and the rotating shaft 33 installed in the housing 31. The return member 35 is installed on the housing 31 and the rotation shaft 33 so that the inner handle 32 and the rotation shaft 33 are largely composed of the release means 30 which can return to the original position.

Meat, meat processing and other foods that require storage at low temperatures prevent deterioration in refrigeration and freezers. Refrigerators are common in homes, but larger restaurants or intermediate distributors and storage companies usually have larger refrigeration and freezing facilities. Since the refrigerating and freezing facilities are large in size, they are selected to be assembled at the time of installation of the first installation. The refrigerating and freezing units are assembled by forming separate panels, and the door is formed on one side of the freezing and freezing units. After the panel 10 is installed, a door lock device is installed in the door panel 10.

A plurality of guide holes 11 are formed in the door panel 10, a rotating shaft hole 12 is formed in the center of the guide hole 11 to insert a rotating shaft 33 to be described later, and the door panel The opening and closing means 20 provided on the outer side of the 10 is provided with a bottom plate 22 coupled to the case 21 on the outside of the door panel 10, and a fastening member (to be described later) on the front surface of the bottom plate 22 ( The auxiliary guide portion 43 of the 40 protrudes and can be inserted into the guide hole 11 to set the installation position of the case 21. A rotary cam is provided on the bottom plate 22 located at the center of the auxiliary guide portion 43. A hole 34a into which the 34 is inserted is drilled, and an operating plate 27 is installed inside the rear side of the rotary cam 34, and a flow groove 27b formed inside the lower end of the operating plate 27. Insert the rotary cam 34 to the projecting to the front of the base plate 22, the operating plate (34) is installed 27 is formed on both sides of the lower end of the guide guide inclined projection (27c) by the projections on both sides of the rotary cam 34 when the rotary cam 34 rotates to move the transfer guide inclined projection (27c) downward To form the grooves 27a on both sides of the upper end of the operation plate 27, the latch 24a of the moving bar 24 to be described later is inserted therein and moves the operation plate 27 to the lower groove 27a. Pull the latch (24a) inserted into it so that the moving bar 24 can be moved.

Inside the case 21, the outer handle 23 is rotated by coupling to the shaft (S), one end of the moving bar 24 to the end of the outer handle 23 by coupling to the shaft (S) outside The moving bar 24 converts the rotational movement of the handle 23 into a linear motion, and the other end of the moving bar 24 is coupled to the finger 25 and the shaft S to pull the finger 25. And, one end of the finger 25 is fixed to the inside of the case 21 and the shaft (S) to be able to rotate, the other end of the finger 25 by installing a roller (25a) striker 26 The door 25 can be opened and closed while being in close contact with and separated from each other, and when the operator pulls the outer handle 23, the moving bar 24 moves downward to pull the finger 25 and the roller 25a of the finger 25. Is separated from the striker 26, and the door is opened. When the movable bar 24 moves downward, the latch 24a of the movable bar 24 also moves downward. In the process, a flow space is formed inside the recess 27a into which the clasp 24a is inserted, so that the clasp 24a moves inside the flow space, thus not affecting the operation plate 27, and the operation plate 27 is The door is released by operating the moving bar 24 and the finger 25 while operating by the rotation of the rotary cam 34.

The release means 30 installed on the opposite side of the opening and closing means 20 couples the housing 31 having the inner handle 32 to the inside of the door panel 10, and the front surface of the housing 31. Protruding the body 31a, and forming a rotation control groove (31b) in the interior of the body (31a) to control the rotation of the inner handle 32 and the rotating shaft (33), the rear of the body (31a) First and second stoppers 36 and 36a are formed on both sides to protrude backwards, and the rotary space portion 36b is formed by penetrating the upper and lower ends of the first and second stoppers 36 and 36a. Any one of the first and second locking projections 37a and 37b of the return spring 37 formed on the return member 35 to be described later may be rotated for a predetermined period, and installed in the front of the housing 31. Protruding the rotating body (32a) on the upper rear of the handle 32, and forming a rotating projection (32b) on the side of the rotating body (32a) along the rotation control groove (31b) of the housing 31 Rotate a predetermined section, and insert the rotating shaft 33 into the rotating body 32a to be fixed by the fixing pin 32c, and the rotating shaft 33 is formed into a square shape and inserted into the rotating cam 34. It is possible to rotate integrally, and to form a fixing groove (33a) on the upper circumferential surface of the rotary shaft 33 is fixed with a fixing ring 39, the front of the fixing ring 39, the return spring (to be described later) The cover 38 is prevented from escaping to the outside while the 37 and the cover 38 are in close contact with each other.

The first and second stoppers 36 and 36a are installed on the rear surface of the housing 31 so that the inner handle 32 can be returned to its original position after the inner handle 32 is operated. The return spring 37 is installed in the interior thereof, and the first and second locking protrusions 37a and 37b protrude from both sides of the return spring 37, respectively, to the side of the first and second stoppers 36 and 36a. It is in close contact with, the cover 38 is formed to surround the circumferential surface of the return spring 37, the cover 38 forms a support plate 38a made of a plate shape so that the return spring 37 does not escape to the outside In addition, the rotation hole 38b is formed in a quadrangular shape so that the rotation shaft 33 can be inserted into the support plate 38a, and the fixing ring 39 is in close contact with the rear surface of the support plate 38a so that the rotation shaft ( It is fixed to the fixing groove 33a of the 33 to prevent the return spring 37 and the cover 38 from being separated to the outside, a plurality of on the front of the support plate 38a The rotary coupling protrusion 38c protrudes, and the rotary protrusion 32b is in close contact with the first and second locking protrusions 37a and 37b of the return spring 37 to rotate the rotary shaft 33 of the inner handle 32. When any one of the lower surface coupling protrusions 38c rotates any one of the first and second locking protrusions 37a and 37b to operate the rotary cam 34, the feed guide inclination protrusion located on the side of the rotary cam 34 is rotated. Pulling the latch 24a inserted into the groove 27a of the operation plate 27 while moving the lower portion 27c, the moving bar 24 and the finger 25 move, and the finger 25 at the striker 26. Is separated to release the door, and a roller 25a is formed at the end of the finger 25 so that the striker 26 can be easily separated and adhered.

The fastening member 40 which maintains the case 21 and the housing 31 more firmly fixed to the door panel 10 has a plurality of guide parts 41 on the inner side of the rear side of the housing 31. Protrudes and forms a bolt hole 42 in the guide part 41 to penetrate the front surface of the housing 31, and corresponds to the guide part 41 of the housing 31 on the front surface of the base plate 22. A plurality of auxiliary guide parts 43 are formed to protrude, and the fixing bolt 47 is fastened to the inside of the guide part 41 and the auxiliary guide part 43 to the case 21 and the housing to the door panel 10. (31) is firmly fixed, and the guide portion 41 and the auxiliary guide portion 43 is inserted into the guide hole 11 of the door panel 10 so that the installation position of the case 21 and the housing 31 is A case installed on the outside of the door panel 10, which can be prevented from being twisted or changed in the process of installing or changing. (21) and the bottom plate (22) can be installed on the door panel 10 integrally without detachment, and then easily fixed with a fixing bolt (47), so that the operator can easily combine and detach the door lock device. have.

The length adjusting pipe 45 may be further installed between the guide part 41 and the auxiliary guide part 43 inserted into the guide hole 11 of the door panel 10, and the length adjusting pipe 45 may be In the process of tightening the fixing bolt 47, when the tightening strength is increased, the door panel 10 may be pushed inward, and the urethane formed inside the door panel 10 may be crying and twisting, thereby eliminating the problem. Process of making the length of the control pipe 45 can be applied to various thickness of the door panel 10, the process of tightening the fixing bolt 47 inserted into the length of the control pipe (45) The opening and closing means 20 and the release means 30 are adjusted while preventing the door panel 10 from being damaged by adjusting the tightening strength and the fastening length of the fixing bolt 47 to correspond to the entire length of the length adjusting pipe 45. Firmly fixed There is a characteristic that can maintain the state.

Figure 6 shows another embodiment of the door lock device for a refrigerator and freezer door of the present invention, the same parts as Figures 1 to 5 will be omitted and explaining the difference, the guide hole 11 of the door panel 10 And the jig member 50 so as to drill the rotation shaft hole 12 more precisely, and the jig member 50 forms a plurality of holes 52 in the jig 51. A plurality of drills 53 are formed at the upper end of the 52, and the drills 53 are installed on the support frame 54 protruding upward from the side of the jig 51, and at the side of the support frame 54. The operation lever 55 is formed, and the door panel 10 is installed on the top of the jig 51, and the drill 53 installed at the same position as the hole 52 is operated to operate the plurality of guide holes 11 and The hole 12 of the rotation shaft is drilled, and the guide hole 11 has an auxiliary guide portion 43 of the base plate 22 and a housing ( 31 is a feature that can be completed by the installation of the case 21 and the housing 31 by only a simple operation of inserting the guide portion 41 of each of the fixing bolt 47.

The case 21 and the housing 31 are easily installed by the guide part 41 and the auxiliary guide part 43 inserted into the guide hole 11, and at the same time, the case 21 and the housing 31 are It can solve the problem that the installation position is changed slightly, and the conventional cumbersome work of separating and fixing the bottom plate 22 from the case 21, and the case 21 to the bottom plate 22 When the rotating shaft 33 of the inner handle 32 is maintained in a twisted state in the process of coupling a feature that solves a lot of difficulties in coupling the case 21 in which the outer handle 23 is installed, and the door panel ( 10) there is a feature that can eliminate the inconvenience that several workers proceed to fix the base plate 22.

7 is to be applied to the various opening and closing means 10 of the release means 30 of the present invention, the reference numerals and configurations of the drawings are the same as those of Figs. 1 to 5, the description of the same parts will be omitted, the inner handle ( The rotating cam 34 coupled to the rotating shaft 33 of the 32 may be operated to release the closed door, and the rotating cam 34 installed inside the case 21 may have an outer handle 23. It can be applied to the opening and closing means 20 of various structures capable of operating the connected finger 25.

The door lock device for a refrigerator and freezer door according to the present invention configured as described above is operated as follows.

As shown in FIG. 6, the door panel 10 is installed on the jig 51 having the position of the drill 53 set on the plurality of holes 52 formed in the jig 51, and the drill ( A plurality of guide holes 11 and a rotating shaft hole 12 are formed in the door panel 10 by operating the operation lever 55 of the door 53, and the bottom plate 22 is disposed outside the door panel 10. 21 is fixed to the case 21 by inserting a plurality of auxiliary guide portion 43 formed on the front surface of the base plate 22 into the guide hole 11 located on the outside of the door panel 10 in a state of being integrally coupled with the 21). In the state in which the housing 31 is in close contact with the inside of the door panel 10, the guide part 41 formed at the rear of the housing 31 is inserted into the guide hole 11 to fix the position of the housing 31. At the same time, the rotary shaft 33 of the inner handle 32 installed in the housing 31 is inserted into the rotary cam 34 installed in the base plate 22, and When the fixing bolt 47 is inserted into and fastened to the bolt hole 42 formed in the guide part 41 of the housing 31, the end portion of the fixing bolt 47 is fastened to the auxiliary guide part 43, and the door panel 10 is fixed. The opening and closing means 20 and the release means 30 can be quickly performed.

Meanwhile, the length adjustment pipe 45 may be installed and used in the bolt hole 42 located between the guide part 41 and the auxiliary guide part 43, and the length of the length adjustment pipe 45 may be a door panel. It can be produced in various ways corresponding to the thickness of the (10), the overall length of the length adjustment pipe 45 by adjusting the tightening strength of the fixing bolt 47 and the tightening length in the process of fastening the fixing bolt 47 door It is characterized in that the panel 47 is prevented from being crushed or damaged, and when the opening and closing means 20 and the release means 30 of the door panel 10 are completed, the finger 25 connected to the outer handle 23 is completed. When the striker 26 is installed on the opposite side of the striker, the door is closed when the finger 25 is kept in close contact with the inside of the striker 26. The outer handle 23 is opened to open the door. By pulling out the outer handle 23 When the moving bar 24 coupled to the predetermined axis S is moved downwards, and the finger 25 connected to the moving bar 24 is pulled out, it rotates about the axis S supporting the finger 25. While moving, the roller 25a installed at the end of the finger 25 may be separated from the inside of the striker 26 to open the door.

The outer handle 23 is operated outside the refrigerator and the freezer, and when the worker keeps the door closed in the process of working inside the refrigerator and freezer, the operator rotates the inner handle 32 to rotate the shaft ( 33 and the rotating cam 34 are rotated while the projections formed on both sides of the rotary cam 34 move the feed guide inclination projection 27c of the operation plate 27 to the lower clasp inserted into the groove 27a. By pulling the 24a, the roller 25a of the finger 25 is released from the striker 26, releasing the closed door so that the worker can move out safely, and the worker moves out and then the hand on the inner handle 32 When the cover is released, the cover 38 engaged with the rotation shaft 33 of the inner handle 32 returns to its original position by the elastic force of the return spring 37, where the rotation engaging projection 38c formed on the cover 38 is provided. One side of the return spring (37) While returning the rotary shaft 33 to its original position by the elastic force of the first and second locking protrusions 37a and 37b while any one of the first and second locking protrusions 37a and 37b is kept in close contact. The rotation shaft 33 can be prevented from being distorted. When the rotation shaft 33 is distorted, the position of the rotation cam 34 is also finely moved while the outer handle 23 is held in a refrigerating and freezer. There is a feature that can solve the problem that the internal cold air escapes to the gap of the outer handle 23 along the metal.

The rotation engaging projection 38c of the cover 38 remains in close contact with the first first and second locking projections 37 and 37a, and the first and second locking projections 37a and 37b are first The position of rotation of the first and second locking protrusions 37a and 37b is determined according to the rotational direction of the inner handle 32 and the rotation shaft 33 by maintaining the state in close contact with the stoppers 36 and 36a. As shown in FIG. 4, when the inner handle 32 is rotated clockwise, the rotation engaging projection 38c rotates the first locking protrusion 37a clockwise while the first locking protrusion 37a is rotated. Rotates along 36b, and the second locking projection 37b maintains the state in close contact with the second stopper 36a to impart an elastic force that allows the first locking projection 37a to return to its original position. The rotation coupling protrusion 38c and the first and second locking protrusions 37a and 37b may rotate in both directions.

The present invention is characterized in that the structure is improved so that the assembly operation of the opening and closing means 20 and the release means 30 can be quickly assembled and separated by the operator alone, and refrigerated by the return member 35 and the fastening member 40 And by moving to the outer handle 23 along the cold air metal inside the freezer has a feature that can solve the problem that the gas escapes to the outside water flows down.

The door lock device for a refrigerator and freezer door according to the present invention described above is not limited to the above-described embodiments, and the general knowledge in the field of the present invention without departing from the gist of the present invention as claimed in the following claims. Anyone who has it has the technical spirit to the extent that various changes can be made.

10: door panel 11: guide hole
20: opening and closing means 21: case
22: Base 23: External handle
24: moving bar 24a: latch
25: finger 26: striker
27: operating plate 27a: groove
27b: Flow groove 27c: Feed guide slope protrusion
30: release means 31: housing
31a: body 31b: rotation control groove
32: inner handle 32a: rotating body
32b: rotary protrusion 32c: holding pin
33: rotating shaft 33a: fixed groove
34: rotary cam 35: return member
36: first stopper 36a: second stopper
36b: rotation space part 37: return spring
37a: first locking protrusion 37b: second locking protrusion
38: cover 38a: support plate
38b: rotation hole 38c: rotation engaging projection
39: fixing ring 40: fastening member
41: guide part 42: bolt hole
43: auxiliary guide part 44: fixing bolt
45: length adjustment pipe 50: jig member
51: jig 52: hole
53: Drill 54: Support Frame
55: operating lever S: shaft

Claims (20)

In the door lock device for the refrigerator and freezer door for locking and unlocking the door by the operation of the outer handle and the inner handle installed in the refrigerator and freezer,
The bottom plate 22 coupled to the case 21 is installed outside the door panel 10, and the finger connected to the moving bar 24 by the operation of the external handle 23 installed inside the case 21 ( 25 is separated from the striker (26) to open the door, the opening and closing means (20) for installing the operation plate 27 on the front of the moving bar (24);
Coupling housing (31) having an inner handle (32) on the inside of the door panel 10, the rotary cam (33) coupled to the inner handle 32 is installed on the operation plate (27) 34 and, when the inner handle 32 is rotated, the moving plate 24 and the finger 25 are moved while the operation plate 27 is linearly moved by the rotational movement of the rotary shaft 33 and the rotary cam 34. To release the closed door by pulling and to operate the inner handle 32 to install the return member 35 in the interior of the housing 31 to return to the original position,
The return member 35 protrudes the first and second stoppers 36 and 36a in the housing 31 and couples the return springs to the inside of the first and second stoppers 36 and 36a. The first and second locking projections 37a and 37b of 37 are in close contact with the side surfaces of the first and second stoppers 36 and 36a, and the cover 38 is coupled to the circumferential surface of the return spring 37. After rotating one of the first and second locking projections 37a and 37b of the return spring 37 to return to the original position, the rear surface of the cover 38 and the circumferential surface of the rotation shaft 33 Release means 30 for fixing the cover 38 to the rotating shaft 33 by installing a fixing ring 39 in the; And
A plurality of guide parts 41 protrude from the inside of the rear side of the housing 31, and bolt holes 42 are formed in the guide part 41 to penetrate the front surface of the housing 31, and the bottom plate ( A plurality of auxiliary guide portions 43 are formed to protrude on the front surface of the housing 22 so as to correspond to the guide portions 41 of the housing 31, and the length adjusting pipe is disposed between the guide portions 41 and the auxiliary guide portions 43. A fastening member 40 for installing 45 and fastening the fixing bolt 47 to the inside of the guide part 41 and the auxiliary guide part 43;
Door lock device for refrigerator and freezer door comprising a. The method of claim 1, wherein the end of the outer handle 23 is coupled to one end of the moving bar 24 by the axis to convert the rotational movement of the outer handle 23 to the linear movement of the moving bar 24, The other end of the moving bar 24 is coupled to the axis of the finger 25 to pull the finger 25, one end of the finger 25 is fixed to the inside and the shaft (S) of the case 21 And a roller (25a) on the other end of the finger (25) to be in close contact with the striker (26) and separated from the striker (26). The method of claim 1, wherein the clasp 24a is formed at the front lower end of the movable bar 24, and an operation plate 27 is installed between the movable bar 24 and the bottom plate 22, and the operation is performed. The groove 27a is formed on both sides of the upper end of the plate 27 so that the latch 24a can be inserted therein and the rotational cam 34 can be inserted into the lower end of the operation plate 27. ) And a transfer guide inclination protrusion 27c formed on both side surfaces of the lower end of the operation plate 27 to move the transfer guide inclination protrusion 27c downward when the rotary cam 34 rotates. The groove (27a) of the) door lock device for the refrigerator and freezer door, characterized in that to pull the latch (24a) of the moving bar (24). The inner handle 32 and the rotating shaft 33 of claim 1, wherein the body 31a is formed on the front surface of the housing 31 and the rotation control groove 31b is formed inside the body 31a. Control the rotation of the first and second stoppers (36, 36a) formed on both sides of the rear of the body (31a) protrudes to the rear, and the upper end of the first and second stoppers (36) (36a) A door lock device for a refrigerating and freezer door, characterized in that the lower portion penetrates the lower portion to form a rotating space (36b). The housing 31 according to claim 1 or 4, wherein the rotating body 32a is formed on the upper rear surface of the inner handle 32 and the rotating protrusion 32b is formed on the side surface of the rotating body 32a. Rotates along the rotation control groove 31b of the rotating projection 32b, the rotation projection 33 of the inner handle 32 in close contact with the first and second locking projections 37a and 37b of the return spring 37. This rotation, the rotation shaft 33 is inserted into the inside of the rotating body (32a) and fixed with a fixing pin (32c), and the fixing ring (33a) is formed on the upper circumferential surface of the rotating shaft (33) 39) is installed, the rotation shaft 33 is a door lock device for a refrigerator and freezer door, characterized in that consisting of a square. delete delete delete The return member (35) is provided with return springs (37) inside the first and second stoppers (36) and (36a), and first and second sides of the return springs (37). Protruding the engaging projection (37a) (37b) is in close contact with the side of the first and second stoppers (36) (36a), to form a cover 38 to surround the circumferential surface of the return spring 37,
The cover 38 forms a support plate 38a formed in a plate shape so that the return spring 37 does not escape to the outside, and a rotation made in a quadrangular shape so that the rotation shaft 33 can be inserted into the support plate 38a. A hole 38b is formed, and a plurality of rotary coupling protrusions 38c protrude on the front surface of the support plate 38a, and when the rotary shaft 33 of the inner handle 32 rotates, any of the rotary coupling protrusions 38c is formed. A door lock device for a refrigerating and freezer door, characterized in that one of the first and second locking protrusions (37a) (37b) rotates to return to its original position after operating the rotary cam (34). In the door lock refrigerator and freezer door apparatus for locking and unlocking the door by the operation of the outer handle and the inner handle installed in the refrigerator and freezer,
The door panel 10 is installed in the upper part of the jig 51, and the drill 53 is installed in the upper end of the plurality of holes 52 formed in the jig 51, thereby providing a plurality of guide holes in the door panel 10. Jig member 50 which penetrates 11 and the rotating shaft hole 12;
A bottom plate 22 coupled to the case 21 is installed outside the door panel 10, and a plurality of auxiliary guide parts 43 protruding from the bottom of the bottom plate 22 are inserted into the guide hole 11. Opening and closing means 20 for installing the rotary cam 34 in the center of the auxiliary guide portion 43, the door opening by the operation of the outer handle 23 installed in the case 21; And
The housing 31 having the inner handle 32 is coupled to the inside of the door panel 10, and a plurality of guide portions 41 are formed on the rear surface of the housing 31 to be coupled to the guide hole 11. The length adjusting pipe 45 is installed between the guide part 41 and the auxiliary guide part 43, and the fixing bolt 47 is fastened to the guide part 41 and the auxiliary guide part 43. And a rotating shaft 33 coupled to the inner handle 32 through the rotating shaft hole 12 of the door panel 10 to connect with the rotating cam 34 to release the closed door, and the inner handle ( After the operation of the 32) to install the return member 35 inside the housing 31 to return to the original position,
The return member 35 protrudes the first and second stoppers 36 and 36a in the housing 31 and couples the return springs to the inside of the first and second stoppers 36 and 36a. The first and second locking projections 37a and 37b of 37 are in close contact with the side surfaces of the first and second stoppers 36 and 36a, and the cover 38 is coupled to the circumferential surface of the return spring 37. After rotating one of the first and second locking projections 37a and 37b of the return spring 37 to return to the original position, the rear surface of the cover 38 and the circumferential surface of the rotation shaft 33 Release means 30 for fixing the cover 38 to the rotating shaft 33 by installing a fixing ring 39 in the;
Door lock device for refrigeration and freezer door comprising a. The inner handle 32 and the rotating shaft 33 of claim 10, wherein the body 31 a protrudes from the front surface of the housing 31, and the rotation control groove 31 b is formed inside the body 31 a. Control the rotation of the first and second stoppers (36, 36a) formed on both sides of the rear of the body (31a) protrudes to the rear, and the upper end of the first and second stoppers (36) (36a) A door lock device for a refrigerating and freezing door, characterized in that the lower portion penetrates the lower portion to form a rotating space portion 36b. 12. The housing 31 according to claim 10 or 11, wherein the rotating body 32a is formed on the upper rear surface of the inner handle 32, and the rotating protrusion 32b is formed on the side surface of the rotating body 32a. It rotates along the rotation control groove 31b of the, and the rotation shaft 33 is inserted into the inside of the rotating body 32a and fixed with a fixing pin 32c, and the fixing groove ( 33a) to form a fixed ring (39), the rotation shaft 33 is a door lock device for a refrigerator and freezer door, characterized in that the rectangular shape. delete The return member (35) is provided with return springs (37) inside the first and second stoppers (36, 36a), and the first and second sides of the return springs (37). Protruding the engaging projection (37a) (37b) is in close contact with the side of the first and second stoppers (36) (36a), to form a cover 38 to surround the circumferential surface of the return spring 37,
The cover 38 forms a support plate 38a formed in a plate shape so that the return spring 37 does not escape to the outside, and a rotation made in a quadrangular shape so that the rotation shaft 33 can be inserted into the support plate 38a. A hole 38b is formed, and a plurality of rotational projections 32b protrude on the front surface of the support plate 38a, and the rotational projections 32b are the first and second locking projections 37a of the return spring 37 ( 37b) in close contact with the rotating shaft 33 of the inner handle 32, any one of the rotation projection (32b) rotates any one of the first and second locking projections (37a, 37b) to rotate the cam 34 Door lock device for refrigerator and freezer door, characterized in that to return to the original position after the operation. The jig member (50) according to claim 10, wherein the jig member (50) forms a plurality of holes (52) inside the jig (51), and forms a plurality of drills (53) on an upper end of the hole (52). 53 is installed on the support frame 54 protruding to the upper side on the side of the jig 51, for the refrigerator and freezer door, characterized in that the operation lever 55 is formed on the side of the support frame 54. Door lock device. In the door lock device for refrigerator and freezer door to be installed in the door panel,
A plurality of guide holes 11 and a rotating shaft hole 12 are formed in the door panel 10, a length adjusting pipe 45 is installed inside the guide hole 11, and the guide hole 11 is located. The housing 31 having the inner handle 32 is coupled to the inside of the door panel 10, and the rotating shaft 33 coupled to the inner handle 32 is inserted into the rotating shaft hole 12, and the rotating shaft 33 ) Releases the closed door by operating the rotary cam 34 of the case 21 located on the opposite side, and the inside of the housing 31 to return to the original position after the inner handle 32 is operated. Install the return member 35,
The return member 35 protrudes the first and second stoppers 36 and 36a in the housing 31 and couples the return springs to the inside of the first and second stoppers 36 and 36a. The first and second locking projections 37a and 37b of 37 are in close contact with the side surfaces of the first and second stoppers 36 and 36a, and the cover 38 is coupled to the circumferential surface of the return spring 37. After rotating one of the first and second locking projections 37a and 37b of the return spring 37 to return to the original position, the rear surface of the cover 38 and the circumferential surface of the rotation shaft 33 Door lock device for refrigerating and freezer door, characterized in that for fixing the cover 38 to the rotating shaft 33 by installing a fixing ring (39). The inner handle 32 and the rotating shaft 33 of claim 16, wherein the body 31a is protruded from the front surface of the housing 31, and the rotation control groove 31b is formed inside the body 31a. Control the rotation of the first and second stoppers (36, 36a) formed on both sides of the rear of the body (31a) protrudes to the rear, and the upper end of the first and second stoppers (36) (36a) The lower portion penetrates through the lower end to form a rotating space portion 36b. The plurality of guide portions 41 protrude from the inside of the rear surface of the housing 31 to be inserted into the guide holes 11 of the door panel 10. A bolt hole 42 is formed in the part 41 to penetrate to the front surface of the housing 31, and the fixing bolt 47 is fastened to the bolt hole 42. Device. 18. The housing 31 according to claim 16 or 17, wherein the rotating body 32a is formed on the upper rear surface of the inner handle 32 and the rotating protrusion 32b is formed on the side surface of the rotating body 32a. It rotates along the rotation control groove 31b of the, and the rotation shaft 33 is inserted into the inside of the rotating body 32a and fixed with a fixing pin 32c, and the fixing groove ( 33a) to form a fixed ring (39), the rotation shaft 33 is a door lock device for a refrigerator and freezer door, characterized in that the rectangular shape. delete 17. The return member (35) is provided with return springs (37) inside the first and second stoppers (36) and (36a), and first and second sides of the return springs (37). Protruding the engaging projection (37a) (37b) is in close contact with the side of the first and second stoppers (36) (36a), to form a cover 38 to surround the circumferential surface of the return spring 37,
The cover 38 forms a support plate 38a formed in a plate shape so that the return spring 37 does not escape to the outside, and a rotation made in a quadrangular shape so that the rotation shaft 33 can be inserted into the support plate 38a. A hole 38b is formed, and a plurality of rotation coupling projections 38c protrude from the front surface of the support plate 38a, and the rotation coupling projections 38c are the first and second locking projections 37a of the return spring 37. When the rotating shaft 33 of the inner handle 32 is rotated in close contact with the (37b), any one of the rotating projection (32b) rotates any one of the first and second locking projections (37a, 37b) to rotate the cam ( 34. A door lock device for a refrigerator and freezer door, characterized in that it returns to its original position after operating.

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