Refrigerator door locking structure

Abstract

The utility model discloses a refrigerator door locking structure which comprises a refrigerator body, sliding rotating shaft assemblies are arranged on the upper portion and the lower portion of one side of the refrigerator body, a refrigerator door is arranged on the front face of the refrigerator body through the rotating shaft assemblies, and a locking mechanism is arranged in the refrigerator door. The locking mechanism comprises a sliding groove formed in the front face of the refrigerator door, a connecting rod is slidably arranged in the sliding groove, a hand lever is arranged on the outer wall of the front face of the connecting rod, a push plate is fixedly installed at the top end of the connecting rod, a plurality of compression springs connected with the push plate are arranged at the top of the sliding groove, and a pin column is arranged on the outer wall of the top of the push plate. The locking mechanism is embedded in the refrigerator door, the refrigerator door can be locked on the refrigerator body by the aid of the locking mechanism, abnormal opening of the refrigerator door can be avoided, and reliability of closing of the refrigerator door is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerators, in particular to a refrigerator door locking structure. Background Art

[0002] Existing refrigerators generally include a cabinet and a door. The refrigerator door is opened and closed on the cabinet by a rotating shaft. There is no locking effect between the door and the cabinet, and a person can open the door by gently pulling it.

[0003] When the existing refrigerator door closing structure is used at home, naughty children can easily open the refrigerator door and eat refrigerated or frozen food;

[0004] In addition, when the refrigerator is used outdoors (such as a refrigerator in an RV), as the car goes uphill or downhill, the suction force of the refrigerator door is not enough to keep the refrigerator door closed;

[0005] Furthermore, since the refrigerator door is also used to prevent the cold air inside the box from leaking out, a refrigerator door without a locking structure is not conducive to the heat preservation of the refrigerator.

[0006] Therefore, it is urgent to design a refrigerator door locking structure to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a refrigerator door locking structure to solve the above-mentioned deficiencies in the prior art.

[0008] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0009] A refrigerator door locking structure includes a box body, wherein a slidable rotating shaft assembly is provided on the upper and lower sides of one side of the box body, and a refrigerator door is provided on the front side of the box body via the rotating shaft assembly, and a locking mechanism is provided inside the refrigerator door;

[0010] The locking mechanism includes a slide groove opened on the front side of the refrigerator door, and a connecting rod is slidingly provided inside the slide groove, a hand rod is provided on the outer wall of the front side of the connecting rod, a push plate is fixedly installed on the top of the connecting rod, several compression springs connected to the push plate are provided on the top of the slide groove, and a pin is provided on the outer wall of the top of the push plate.

[0011] Preferably, a finger groove is provided on one side outer wall of the refrigerator door, and a hidden groove is provided inside the finger groove.

[0012] Preferably, a sealing plate is provided on the front of the refrigerator door, and the sealing plate is embedded in the interior of the slide groove.

[0013] Preferably, lips are provided above and below the front surface of the box body, and positioning holes are provided on the lips, and the pins are inserted into the positioning holes.

[0014] Preferably, a sealing strip is provided between the box body and the refrigerator door, the sealing strip includes a fixed seal fixedly mounted on the box body, and a detachable seal is slidably plugged into the fixed seal, the fixed seal is provided with a mortise and tenon, and the detachable seal is provided with a tenon inserted into the mortise and tenon, and the detachable seal is provided with a deformation cavity.

[0015] Preferably, the rotating shaft assembly includes a slot arranged on the box body, and a telescopic rod is slidably inserted into the interior of the slot, a return spring is arranged inside the slot, and one end of the return spring is in conflict with the telescopic rod, a card slot is provided on the top and bottom inner walls of the slot, and a card block inserted into the inside of the card slot is provided on the top and bottom outer walls of the telescopic rod, a stop block is provided at the end of the card slot, a mounting seat is fixedly provided at one end of the telescopic rod, and a rotating shaft connected to the rotation of the refrigerator door is provided at the bottom of the mounting seat.

[0016] In the above technical solution, the utility model provides a refrigerator door locking structure, which has the following beneficial effects:

[0017] (1) The locking mechanism is embedded in the inside of the refrigerator door. The locking mechanism can lock the refrigerator door on the refrigerator body, avoid abnormal opening of the refrigerator door, and ensure the reliability of the refrigerator door when closed. First, it can prevent naughty children from opening the refrigerator door at will. Second, when used outdoors, it can ensure that the refrigerator door is fastened to the refrigerator body.

[0018] (2) The movable shaft assembly and the deformable sealing strip are used in combination. When a locking mechanism is needed to close the refrigerator door, the shaft assembly can be used to move the refrigerator door linearly toward the cabinet, thereby compressing the sealing strip and ensuring better sealing between the refrigerator door and the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 The present invention provides a structural schematic diagram of a refrigerator door locking structure embodiment.

[0021] Figure 2 The utility model is a schematic diagram of a refrigerator door removal structure provided by an embodiment of a refrigerator door locking structure.

[0022] Figure 3This is an enlarged view of the shaft assembly structure provided in an embodiment of the refrigerator door locking structure of the present invention.

[0023] Figure 4 The utility model provides a front view of a refrigerator door structure according to an embodiment of a refrigerator door locking structure.

[0024] Figure 5 The present invention is a schematic diagram of a sealing strip structure provided in an embodiment of a refrigerator door locking structure.

[0025] 1 housing, 2 shaft assembly, 21 slot, 22 telescopic rod, 23 return spring, 24 stopper, 25 mounting seat, 26 shaft, 3 refrigerator door, 4 locking mechanism, 41 slide, 42 connecting rod, 43 hand lever, 44 push plate, 45 compression spring, 46 pin, 5 finger groove, 6 sealing plate, 7 lip plate, 8 sealing strip, 81 fixed seal, 82 detachable seal, 83 tenon, 84 deformation cavity. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1-5 As shown, a refrigerator door locking structure provided by an embodiment of the present invention includes a box body 1, a slidable rotating shaft assembly 2 is provided on the upper and lower parts of one side of the box body 1, and a refrigerator door 3 is provided on the front side of the box body 1 through the rotating shaft assembly 2, and a locking mechanism 4 is provided inside the refrigerator door 3; the locking mechanism 4 includes a slide groove 41 opened on the front side of the refrigerator door 3, and a connecting rod 42 is slidingly provided inside the slide groove 41, a hand rod 43 is provided on the outer wall of the front side of the connecting rod 42, a push plate 44 is fixedly installed on the top of the connecting rod 42, a plurality of compression springs 45 connected to the push plate 44 are provided on the top of the slide groove 41, and a pin 46 is provided on the outer wall of the top of the push plate 44.

[0028] Specifically, in this embodiment, the refrigerator comprises a housing 1, wherein a slidable rotating shaft assembly 2 is provided on the upper and lower sides of one side of the housing 1, and a refrigerator door 3 is provided on the front side of the housing 1 through the rotating shaft assembly 2. A locking mechanism 4 is provided inside the refrigerator door 3. The locking mechanism 4 can fasten the refrigerator door 3 to the housing 1, thereby preventing people from opening the refrigerator door 3 at will and ensuring the stability of the refrigerator door 3 on the housing 1.

[0029] The locking mechanism 4 includes a slide groove 41 provided on the front face of the refrigerator door 3, and a connecting rod 42 is provided for sliding inside the slide groove 41, a hand lever 43 is provided on the outer wall of the front face of the connecting rod 42, and a push plate 44 is fixedly installed on the top of the connecting rod 42. A plurality of compression springs 45 connected to the push plate 44 are provided on the top of the slide groove 41, and a pin 46 is provided on the outer wall of the top of the push plate 44. A bevel is provided on one side of the top of the pin 46. Lip plates 7 are provided above and below the front face of the box body 1, and positioning holes are provided on the lip plates 7. The pin 46 is inserted into the inside of the positioning holes. When people use the locking mechanism 4, the refrigerator door 3 is rotated along the box body 1 through the rotating shaft assembly 2, so that the refrigerator door 3 is closed on the box body 1. At this time, people can push the refrigerator door 3 hard (apply force in the direction of the box body 1). At this time, the pin 46 contacts the lip plate 7, that is, the bevel contacts the lip plate 7. At this time, the pin 46 will drive the push plate When the refrigerator door 3 is opened, the push plate 44 is pressed downward, and the compression spring 45 is also compressed. When people continue to press the refrigerator door 3, the pin 46 enters the reserved positioning hole on the lip plate 7. Under the action of the compression spring 45, the pin 46 is stuck in the positioning hole, that is, the refrigerator door 3 is locked on the cabinet 1. At this time, when external force is applied to the refrigerator door or on a bumpy road, the refrigerator door will not be opened easily. When people need to open the refrigerator door 3, they can pinch the two hand levers 43 with two fingers respectively, so that the hand levers 43 drive the push plate 44 to slide inside the slide groove 41 through the connecting rod 42, so that the pin 46 is pulled out from the inside of the positioning hole, and the refrigerator door can be easily opened. (It should be noted that the locking mechanism 4 of this design is optional. That is, when using the refrigerator in different environments, you can choose to use the locking mechanism or not. People can also make a choice when purchasing the refrigerator).

[0030] The utility model provides a refrigerator door locking structure, which adopts a locking mechanism 4, which is embedded and installed inside the refrigerator door 3. The locking mechanism 4 can be used to lock the refrigerator door 3 on the cabinet 1, thereby preventing the refrigerator door 3 from opening abnormally and ensuring the reliability of the refrigerator door 3 when closed. Firstly, it can prevent naughty children from opening the refrigerator door 3 at will, and secondly, it can ensure that the refrigerator door 3 is fastened to the cabinet 1 when used outdoors.

[0031] As an embodiment provided by the present invention, a finger groove 5 is provided on the outer wall of one side of the refrigerator door 3, and a hidden groove is provided inside the finger groove 5. The finger groove 5 is convenient for people to open the refrigerator door, making the surface of the refrigerator door more beautiful. A sealing plate 6 is provided on the front of the refrigerator door 3, and the sealing plate 6 is embedded in the inside of the slide groove 41. The sealing plate 6 is used to block the slide groove 41, so that the sealing plate 6 and the refrigerator door are a flat plane, which also improves the beauty of the refrigerator door.

[0032] As another embodiment provided by the present invention, a sealing strip 8 is provided between the box body 1 and the refrigerator door 3. The sealing strip 8 includes a fixed seal 81 fixedly mounted on the box body 1, and a detachable seal 82 is slidably inserted on the fixed seal 81. The fixed seal 81 is provided with a mortise and tenon, and the detachable seal 82 is provided with a tenon 83 inserted into the mortise and tenon. The detachable seal 82 is provided with a deformation cavity 84. Due to the presence of the deformation cavity 84, when the refrigerator door 3 is fastened to the box body 1 using the locking mechanism 4, the deformation cavity 84 is compressed, which can ensure that the refrigerator door 3 and the box body are fixed. 1. When the locking mechanism 4 is not used, the distance between the refrigerator door 3 and the box body 1 increases, and the deformation cavity 84 is opened at this time, which can also well package the sealing between the refrigerator door 3 and the box body 1. At the same time, the detachable seal 82 is installed on the fixed seal 81, which is also convenient for people to regularly replace the sealing strip 8. Only the detachable seal 82 needs to be replaced, which is more convenient and saves materials and costs. A shallow groove that matches the detachable seal 82 is provided on the surface of the refrigerator door 3 to achieve a better sealing effect of the refrigerator and avoid leakage of cold air from the refrigerator.

[0033] As another embodiment provided by the present invention, the shaft assembly 21 includes a slot 21 provided on the box body 1, and a telescopic rod 22 is slidably inserted into the interior of the slot 21, a return spring 23 is provided inside the slot 21, and one end of the return spring 23 conflicts with the telescopic rod 22, a card slot is provided on the top and bottom inner walls of the slot 21, and a card block inserted into the card slot is provided on the top and bottom outer walls of the telescopic rod 22, a stopper 24 is provided at the end of the card slot, one end of the telescopic rod 22 is fixedly provided with a mounting seat 25, and a rotating shaft 26 rotatably connected to the refrigerator door 3 is provided at the bottom of the mounting seat 25;

[0034] The use of the rotating shaft assembly 21 is also divided into two situations:

[0035] First, when people frequently open and close the refrigerator door, the locking mechanism 4 is not needed. The return spring 23 is in an extended state, the block is in contact with the stopper 24, and the telescopic rod 22 is also in an outwardly extended state. The refrigerator door 3 can be freely rotated along the cabinet 1 through the rotating shaft 26 to realize the opening and closing of the refrigerator door 3 on the cabinet 1;

[0036] Secondly, when people do not open and close the refrigerator door frequently, in order to prevent children from opening the refrigerator door at will, or when the refrigerator is used outdoors, the locking mechanism 4 is used. When people press the refrigerator door 3, the refrigerator door 3 moves linearly with the mounting seat 25 through the rotating shaft 26, and the telescopic rod 22 moves toward the inside of the slot 21. At this time, the return spring 23 is compressed, and the card block also slides inside the card slot. The sliding and contraction of the rotating shaft assembly 21 is to cooperate with the use of the locking mechanism 4.

[0037] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A refrigerator door locking structure, comprising a box body (1), characterized in that: A slidable rotating shaft assembly (2) is provided above and below one side of the box body (1), and a refrigerator door (3) is provided on the front side of the box body (1) via the rotating shaft assembly (2), and a locking mechanism (4) is provided inside the refrigerator door (3); The locking mechanism (4) includes a slide groove (41) provided on the front face of the refrigerator door (3), and a connecting rod (42) is provided inside the slide groove (41) for sliding, a hand lever (43) is provided on the outer wall of the front face of the connecting rod (42), a push plate (44) is fixedly installed on the top of the connecting rod (42), a plurality of compression springs (45) connected to the push plate (44) are provided on the top of the slide groove (41), and a pin (46) is provided on the outer wall of the top of the push plate (44).

2. A refrigerator door locking structure according to claim 1, characterized in that: A finger groove (5) is provided on one side outer wall of the refrigerator door (3), and a hidden groove is provided inside the finger groove (5).

3. The refrigerator door locking structure according to claim 1, characterized in that: A sealing plate (6) is provided on the front of the refrigerator door (3), and the sealing plate (6) is embedded in the interior of the sliding groove (41).

4. The refrigerator door locking structure according to claim 1, characterized in that: Lip plates (7) are provided above and below the front surface of the box body (1), and positioning holes are provided on the lip plates (7), and the pins (46) are inserted into the positioning holes.

5. The refrigerator door locking structure according to claim 1, characterized in that: A sealing strip (8) is provided between the box body (1) and the refrigerator door (3), the sealing strip (8) comprising a fixed seal (81) fixedly mounted on the box body (1), and a detachable seal (82) slidably plugged into the fixed seal (81), the fixed seal (81) being provided with a tongue and groove, and the detachable seal (82) being provided with a tenon (83) inserted into the tongue and groove, and the detachable seal (82) being provided with a deformation cavity (84).

6. The refrigerator door locking structure according to claim 1, characterized in that: The rotating shaft assembly (2) includes a slot (21) provided on the housing (1), and a telescopic rod (22) is slidably inserted into the interior of the slot (21), a return spring (23) is provided inside the slot (21), and one end of the return spring (23) is in contact with the telescopic rod (22), a card slot is provided on the top and bottom inner walls of the slot (21), and a card block inserted into the card slot is provided on the top and bottom outer walls of the telescopic rod (22), a stopper (24) is provided at the end of the card slot, a mounting seat (25) is fixedly provided at one end of the telescopic rod (22), and a rotating shaft (26) rotatably connected to the refrigerator door (3) is provided at the bottom of the mounting seat (25).

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