KR20010017601A - Door Lock Apparatus for Refrigerator and Freezer's door - Google Patents

Abstract

PURPOSE: A door locking device for a refrigerator door is provided to simply and easily release the door locking state with an inner handle and prevent theft by making impossible dismantling of door locks attached to a refrigerating chamber and a freezing chamber. CONSTITUTION: In a door locking device in which a lock in corresponding to a striker installed in a refrigerating chamber and freezing chamber(10), and controlled by a handle(80), the door locking device for a refrigerator door(20) includes a protecting element receiving the striker, an opening and shutting element performing door operation at a predetermined operating area in the inside and outside of the refrigerating and freezing chamber in corresponding to the striker, a first lock element connected with the opening and shutting element for controlling the operating area of the outside, a releasing element freely releasing the locking state from the striker in the inside of the refrigerating and freezing chamber without the influence of the first lock element, and a concealing element concealing the state of being connected with the releasing element by receiving the opening and shutting element.

Description

Door Lock Apparatus for Refrigerator and Freezer's door}

The present invention relates to a door lock device for locking and releasing doors of a refrigerator and a freezer, and more particularly, to freely lock and open a door by internal and external handles of a door lock installed in a freezing and refrigerating chamber and a door, and freezing and refrigerating. The present invention relates to a door lock device for a refrigerator and a freezer door which makes it impossible to dismantle the door lock attached to the chamber surface and at the same time prevents the door lock device and the stored article from being stolen by the multi-lock device.

In general, refrigerators and refrigerators are used to maximize the quality stability of the stored items while preventing the corruption by temporarily or long-term safe storage of perishable food or items requiring freezing and refrigeration. In general, refrigerators and refrigerators combine panels and panels to complete a main body, and doors are provided for temporarily controlling any one of the panels while allowing them to freely enter and exit. These doors can be opened and closed, and a door lock device for locking and releasing is installed. The door lock device is provided with a catcher 2 and a door lock 9 having an adjustment function corresponding to the catcher on the side of the panel 1 in FIG. The lower end of the catcher (2) is a roller (3) coupled to the pin shaft is coupled, the support projection (5) which is installed at the lower end of the catcher (2) and slides while corresponding to the roller (3) is connected and the handle A fastener 7 having a built-in 6 is fixed to the door 8. Therefore, holding the handle (6) and lifted to the upper side, the support protrusion (5) connected to the handle (6) is lowered from the rear of the roller (3) is separated from the roller (3) to form a non-contact state door 8 Can be opened freely, on the contrary, when the door 8 is closed, the support protrusion 5 can be lifted using the handle 6 or the roller 3 can be lifted by its own lifting force. If the corresponding support protrusion (5) is lowered and then raised from the rear of the roller (3) can be maintained in a locked state.

However, the support protrusion 5 may make a flow in correspondence with the roller 3 when the door 8 is closed, but if the handle 6 is not artificially operated in the state of being raised behind the roller 3, If the door 8 is closed due to carelessness during the cargo loading and unloading operation in the freezing chamber because the flow is not at all, the operator cannot release the locking device of the door 8, especially when the door 8 is locked inside the cryogenic freezer compartment. There is a problem that a safety accident occurs because the outside needs to be asked for help and the requirements of the inside of the refrigerator and the refrigerator having a sealed function cannot be recognized from the outside.

In addition, the catcher (2) and the door lock (9) is secured by fastening means such as bolts or rivets from the outside and there is no cover that can conceal it, so that it can be easily separated from the outside, there is a risk of stolen goods There is a huge problem.

The present invention is to solve such a conventional problem to achieve the locking and unlocking of the door by any one of the adjustment knobs disposed in the inside and outside of the refrigerator and freezer, without the help of the outside in the state of being locked in the interior and freezing chamber The door lock can be unlocked simply and easily, and the door lock attached to the freezing and refrigerating chambers can not be dismantled to prevent theft and to maintain the multiple locks of the door lock. It is to provide a door lock device for the refrigerator and freezer door to achieve.

1 is a perspective view of a door lock applied to a conventional refrigerator / freezer,

2 is a front view of the door lock device according to the present invention,

3 is an exploded perspective view of the door lock according to the present invention;

4 is an exploded perspective view of a catcher according to the present invention;

Figure 5 is a longitudinal cross-sectional view of the operating state of the door lock device according to the present invention,

6 is a perspective view of main parts of the first gun apparatus according to the present invention;

7 is a sectional view of a stroke adjustment state of the striker according to the present invention;

8 is a front view of an operating state of the operating plate according to the present invention.

Explanation of symbols on main parts of drawing

10; Freezing / refrigeration chamber 12; Catcher

14; Support plate 18; Striker

20; Door 30; Door lock

40; Support plate 42; Home

44; Stripe cover 50; Finger

52; Roller 56; Coil spring

60; Lockbox 62; Accommodation protrusion

70; Moving bar 72; Braking District

74; Flow axis 80; External handle

84; Tension spring 90; Bottom plate

92; Stop guide 94; frame

100; Inner handle 102; rose

106; Axis of rotation 108; trigger

110; Working plate 112; Feed Guide Slope

120; Clasp 130; cam

132; Kisspindle

According to one aspect of the present invention, there is provided a door lock device in which a striker and a lock corresponding to a striker installed in a refrigerating and refrigerating chamber are adjusted by an outer handle;

Protective means for accommodating the striker, opening and closing means for opening and closing a predetermined operation area from inside and outside of the freezing and refrigerating chamber in correspondence with the striker, and connecting the opening and closing means to control an external opening and closing area. A first locking means, a release means for freely releasing the locked state from the striker inside the freezing and refrigerating chamber without being influenced by the control of the first locking means, and a state in which the opening and closing means is connected to the release means to conceal the state. It is achieved by a door lock device for a refrigerator and freezer door, characterized in that it comprises a concealment means.

Here, the protection means is preferably configured to include a receiving portion formed by a bent portion that is embedded in the receiving space of the predetermined region and conceal the support plate for installing the striker.

In addition, the support plate preferably includes a long groove that the striker fixed by the fastening bowl is movable in a predetermined stroke area in the horizontal direction.

Here, the opening and closing means is a finger corresponding to the striker and the lower end is coupled to the pin shaft is pivoting a predetermined range, the coil spring is coupled to the pin shaft to give an elastic force after being compressed according to the amount of motion of the finger, and one end of the coil spring An external handle axially connected to the moving bar supported by the moving bar having a tip coupled to the coupling pin installed at the center of the finger, an internal handle disposed opposite to the external handle, and a trigger connected to the rotating shaft; It is preferable that the groove is formed on an upper portion of the operation plate forming a recess to receive the latch projecting on one side of the movable bar.

Here, the first key means is a key pin to control the operation of the key (key), the eccentric cam is connected to the kiss pins and the predetermined eccentric upper portion, and the locking device which is iso-motion movement in accordance with the set position of the eccentric cam protrudes on the base plate It is preferable to be configured to be in close contact with the stop guide protrusion formed so that the outer handle operation is impossible.

In addition, it is preferable that the clamp is eccentrically fixed to the flow shaft and the brake opening of the tip is connected to the tip of the outer handle and the tension spring.

And the release means is a base plate for fixing the trigger for receiving the other side of the rotary shaft coupled to the inner handle at a predetermined distance, the operation plate disposed on one side of the base plate in proportion to the amount of rotation of the trigger, and the It is preferable that the clasp received in the groove of the operation plate includes a finger connected to the moving bar formed on the outer surface.

In addition, the bottom plate preferably includes a frame that is bent in the vertical direction is fixed to the side of the freezing and refrigeration chamber.

The concealment means is preferably composed of a lock box having a central portion open to accommodate the opening and closing means to allow free operation of the outer handle.

In addition, the lock box is configured to accommodate the receiving protrusion for accommodating the lower end of the handle, and the receiving protrusion integrally with the through hole of the handle to maintain the second key state separately from the first key means through the normal braking holes. It is desirable to.

Hereinafter, the most preferred embodiments of the present invention will be described with reference to the accompanying drawings in order to be described in detail to those skilled in the art can easily practice the present invention.

Figure 2 is a front view of the door lock device according to the present invention, Figure 3 is an exploded perspective view of the door lock according to the present invention, Figure 4 is an exploded perspective view of the catcher according to the present invention, Figure 5 is an operating state of the door lock according to the present invention It is a longitudinal cross-sectional view. 1 to 4, the structure of the door lock device for the refrigerator and freezer door according to the embodiment of the present invention, the catcher 12 attached to the freezing and freezing chamber 10 side, and the freezing and refrigeration The door lock 30 which is attached to the side of the door 20 provided in the predetermined position of the chamber 10 corresponding to the said catcher 12 is comprised. The catcher 12 has a support plate 14 which is in contact with the freezing and refrigerating chamber 10 side in a vertical state to secure the plane contact, the support plate 14 is provided with coupling holes 16 at both ends, It is possible to achieve a secure fixed state in the freezing and refrigeration chamber (10) as a fastening means of the bolt. In addition, the support plate 14 is integrally formed and the slide plate 40 is provided in the longitudinal direction to fix the striker 18 with a bowl. As shown in FIG. 7, a long groove 42 is provided in the slide plate 40. It is possible to adjust the position of the striker 18 because the bolt for fixing the striker 18 can be adjusted within the predetermined area. In addition, the catcher 12 and the slide plate 40 are fastened by a bolt, which is a fastening means, in a state in which the slide plate 40 is accommodated in the catcher 12 to form a safe assembly state. The catcher 12 is provided with a strike cover 44 having one surface as a curved portion and extending one side in multiple stages so that the striker 18 can be accommodated in a concealed state. An open portion is provided with a receiving portion 46 to receive the tip of the lock box 60 to block external exposure. As a result, not only the striker cover 44 but also the slide plate 40 cannot be disassembled from the outside, thereby preventing theft and maintaining a safe installation state.

The roller 52, which is bound to the striker 18 and maintains a locked state, is rotatably installed at the tip of the finger 50 to maintain good detachment while attenuating resistance when the striker 18 corresponds to the striker 18. The lower end 50 is coupled to the pin shaft 54 to pivot a predetermined range from the striker 18. In addition, the finger 50, which is pivoted based on the coil spring 56 which is coupled to the pin shaft 54 and is dividedly supported, has the original return force. In addition, the center of the finger 50 is fastened to the coupling pin 76 so that the front end of the moving bar 70 can be freely flow to achieve the movement of the finger 50 and the lower end of the moving bar 70 The handle 80 and the braking hole 72 are simultaneously coupled to one flow shaft 74, and the flow shaft 74 is openly movable up and down. The outer handle 80 is spaced a predetermined distance from the portion bound to the flow shaft 74 to the fixed shaft 82 to the lock box 60 to allow a predetermined rotational movement during the operation of the outer handle 80. It is fixed and provided so that it may expose to the outer side of the lock box 60. As shown in FIG. In addition, the outer handle 80 and the braking hole 72 is connected to the tension spring 84 to give a return force when operating the outer handle 80 to realize the original return. Braking holes 72 connected to the outer handle 80 and the tension spring 84 is formed in a form inclined at both ends gradually in the longitudinal direction around the flow shaft 74 coupled to the center side and striker ( 18) the side is provided longer than the other side is associated with the first key device portion, the other side corresponds to the stop guide protrusion 92 protruding from the base plate (90).

On the other hand, the inner handle 100 disposed inwardly of the door 20 in the opposite direction of the outer handle 80 is rotatably fixed to the rose 102 fixed to the panel 102 by a fixing washer 104 In addition, the counterclockwise or clockwise operation enables the same result to be obtained, and since it is a rotary type, it achieves safe use without freezing inside the refrigerator and the refrigerator. In addition, the inner handle 100 is inserted into the rotating shaft 106 of a long, cross-sectional square shape at the same time through the chamber 10 of the door 20 side, the other side is the bottom plate 90 and the fixing washer ( The trigger 108 is inserted into the trigger 108 coupled to 104a to drive the trigger 108 integrally with the rotational direction of the inner handle 100.

The trigger 108 is disposed in the lower end of the base plate 90 as shown in Figure 8 and is freely bound, the upper guide end of the transfer guide slope of the operation plate 110 is coupled to the base plate 90 in accordance with the rotational movement The protrusion 112 is made of a protrusion that can interfere. The transfer guide inclination protrusion 112 which is subjected to the interference of the trigger 108 is bent inwardly at both ends of the open side of the operation plate 110, and according to the rotational amount of the trigger 108, the bottom plate 90 as shown in FIG. 8. The lowering motion of the operation plate 110, and the lifting movement of the operation plate 110 in accordance with the vertical movement of the latch 120 is inserted into the groove 114 provided at both ends of the upper side of the operation plate 110. By the trigger 108 to return to its original state. Clasp 120 is inserted into the groove 114 of the operation plate 110 is formed integrally with the moving bar 70 and protrudes at a right angle to the lower side, the operation of the inner handle 100 By operating the finger 50 together with the movement bar 70 by the operation plate 110 sliding along it can independently release the roller 52 that is bound to the striker 18 to the inside of the refrigeration and refrigeration chamber 10 In the free and easy to be able to unlock the state of the door (20).

On the other hand, the cam 130 for controlling the operation of the outer handle 80 by interfering with the brake hole 72 is freely coupled to the reversal motion and the kiss pins 132 accommodated in the lock box 60 as shown in FIG. The side end has an eccentric surface to achieve the seesaw movement of the brakes 72 according to the eccentric inclination angle, and the brakes 72 whose height is changed according to the seesaw movement are inverted according to the movement of the kiss pins 132. At the highest height of the eccentric surface, the horizontal state is maintained, and at the lowest height, as shown in the virtual line of FIG. 8, the tip is embedded in the cam 130 and the other side is a stop guide protrusion 92 protruding from the bottom plate 90. Inclined in such a way as to interfere with the operation of the external handle 80 to maintain the state of the key. Therefore, by controlling the external handle 80 by seesawing the brake 72 according to the position of the cam 130 which is inverted according to the rotation of the kiss pins 132, theft is prevented in a safe condition.

In addition, the bottom plate 90 is provided with a frame 94 in a right angle at an upper portion thereof, and a fastening means is fastened with a bolt or the like at a right angle to an upper edge portion of the door 20 to attach a door lock 30 to a safe installation state. And disassembly by making it concealed by the lock box 60 accommodating the lock device.

Therefore, a part of the outer handle 80 is exposed to the lock box 60, so that the opening and closing operation of the initial door 20 can be performed by the outer handle 80, and the braking hole associated with the outer handle 80. By the operation of the 72 and the movement bar 70 and the finger 50 to achieve the opening and closing, restraint and release of the door 20.

On the other hand, the lock box 60 is provided with a receiving protrusion 62 for accommodating the lower end of the outer handle 80, the receiving protrusion 62 is integrally associated with the through hole 86 of the outer handle 80. By maintaining the second key state alone or parallel to the kiss pins 132 with a conventional lock 88 to achieve theft prevention in a safe state.

As described above, the present invention locks and releases the door by moving the roller 52 corresponding to the striker 18 back and forth according to the operation of the outer handle 80 to be installed in the freezing and refrigerating chamber 10 ( While freely opening / closing 20, even if the door 20 is closed and locked or held in a locked state, the roller 52 is separated from the striker 18 only by the operation of the inner handle 100. By releasing the locked state to freely and conveniently open the door 20 without external help to prevent the safety accident in advance, the striker 18 side is attached to the inner and the refrigeration chamber 10 The bottom plate 90 concealed by the catcher 12 and attached to the door 20 side is concealed by the lock box 60 to prevent the door lock device from being disassembled from the outside to prevent theft.

The present invention as described above is equipped with a refrigeration and refrigeration chamber and the door lock device installed on the door side is impossible to dismantle to prevent theft accidents to achieve safe use, and to open the door by the external handle and at the same time The door can be opened only by the operation of the inner handle separately from the handle, so that the worker locked in the freezer and refrigerator inside the freezer and the refrigerator can be freely opened and closed without the help of the outside even when the door is locked by the locker device. In parallel with or independently of the first locking device, there is an effect of achieving economical, convenient and safe use to prevent theft of frozen and refrigerated items.

Claims (10)

A door lock device in which a striker and a lock corresponding to a striker provided in a freezing and refrigerating chamber are adjusted by a handle; Protective means for receiving the striker; Opening and closing means for making the opening and closing operation in a predetermined operation region from inside and outside of the freezing and refrigerating chamber in correspondence with the striker; First timing means connected to the opening and closing means for controlling an external opening and closing area; Release means for releasing the locked state from the striker freely inside the freezing and refrigerating chamber without being affected by the control of the first key means; A door lock device for a refrigerating and freezer door, characterized in that it comprises a concealing means for receiving the opening and closing means is concealed in connection with the release means. The method of claim 1; The protection means is a door lock device for a refrigerating and freezer door, characterized in that it is composed of a catcher formed by a bent portion that is embedded in the receiving space of the predetermined area and conceal the support plate for installing the striker. The method of claim 2; The support plate is a door lock device for a refrigerating and freezer door, characterized in that the striker fixed by the fastening bowl further comprises a long groove which can move to a predetermined stroke area in the horizontal direction. The method of claim 1; The opening and closing means includes a finger corresponding to the striker and having a lower end coupled to a pin shaft to pivot a predetermined range; A coil spring coupled to the pin shaft and compressing according to the amount of motion of the finger to impart an elastic force; An outer handle supported by one end of the coil spring and axially connected to a moving bar having a front end coupled to a coupling pin installed at the center of the finger; A trigger connected to the inner handle and the rotating shaft disposed to face the outer handle; Door lock device for refrigerator and freezer door, characterized in that the groove is formed on the upper portion of the operation plate to form a vertical movement by the rotation of the trigger to receive the latch projecting on one side of the moving bar The method of claim 1; The first key means comprises: kiss pins for manipulating a key; An eccentric cam connected to the kiss pins and having a predetermined upper portion; The door lock device for a refrigerator and a freezer door, characterized in that the locking lever is moved in accordance with the set position of the eccentric cam is tightly controlled to the stop guide protrusion formed to protrude on the bottom plate, the outer handle operation is impossible. The method of claim 5; The lock is eccentrically fixed to the flow shaft and the door lock device for the refrigerator and freezer door, characterized in that the brake port of the front end is connected to the front end and the tension spring of the outer handle. The method of claim 1; The release means includes a base plate for fixing the trigger for receiving the other side of the rotating shaft coupled to the inner handle at a predetermined distance; An operation plate disposed on one side of the base plate to vertically move in proportion to the amount of rotation of the trigger; Door lock device for refrigerator and freezer door, characterized in that the clasp received in the groove of the operation plate includes a finger connected to the moving bar formed on the outer surface to freely release the lock state outside the control area of the first lock device. The method of claim 7; The bottom plate is a door lock device for a refrigerating and freezer door further comprises a frame which is bent in the vertical direction and fixed to the side of the freezing and refrigerating chamber. The method of claim 1; The concealment means is a refrigerator and freezer door lock device, characterized in that the center is opened to allow free operation of the outer handle and the lock box having a receiving portion for receiving the opening and closing means. The method of claim 9; The lock box includes a receiving protrusion for receiving a lower end of the outer handle; A door lock device for a refrigerating and freezer door configured to maintain a second key state separately from the first key means through a normal braking port by being configured to correspond to the through hole of the handle.