Vehicle-mounted refrigerator door body locking structure

By introducing a drive board and lifting lock plate transmission structure into the vehicle refrigerator, combined with the multi-state design of the handle, the problem that the existing locking structure is not suitable for drawer-type vehicle refrigerators is solved, achieving stable locking and easy unlocking, and improving the convenience of use.

CN223867772UActive Publication Date: 2026-02-03NINGBO YUTONG ELECTRIC APPLIANCE
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Patent Information

Application Number
CN202520447431.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-03
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The existing locking mechanism of car refrigerators is not suitable for drawer-type designs, as it takes up a lot of space and is inconvenient to use.

Method used

It adopts a rotating drive plate and a sliding lifting lock plate. The unlocking component drives the transmission component to realize the engagement and disengagement of the movable lock tongue and the lock pin. Combined with the multi-state design of the handle, it realizes easy unlocking and locking.

Benefits of technology

It provides a stable locking effect, simplifies the unlocking operation, and improves the ease of use of drawer-type car refrigerators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a vehicle-mounted refrigerator door body locking structure which comprises a driving plate rotationally installed in a door body, a lifting lock plate installed in the door body in a sliding mode and at least one first lock pin fixed to a refrigerator body, an unlocking piece is installed on the outer wall of the door body and connected with the driving plate in a driving mode, and the first lock pin is connected with the lifting lock plate in a sliding mode. The driving plate is in driving connection with the lifting lock plate through a transmission part; a plurality of movable lock tongues are arranged on the lifting lock plate in the vertical direction at intervals, and the movable lock tongues extend out of the door body and can be locked with the first lock pins in a clamped mode. During unlocking, the unlocking piece drives the driving plate to rotate, the driving plate drives the lifting lock plate to slide through the transmission piece, and the movable lock tongue slides and is separated from the first lock pin. The vehicle-mounted refrigerator door body locking structure overcomes the defect that an existing locking structure is not suitable for a drawer type vehicle-mounted refrigerator.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle refrigerator, in particular to a vehicle refrigerator door body locking structure. BACKGROUND

[0002] Vehicle refrigerator is an innovative refrigeration cabinet specially designed for carrying and using in the car. With the improvement of living standards, people's demand for vehicle refrigerator is increasing. In long-distance self-driving tour, vehicle refrigerator can easily solve the problem of food preservation, making the journey more convenient and enjoyable. In outdoor camping and wilderness exploration, vehicle refrigerator can provide cold drinks and food convenience, allowing people to enjoy the feeling of home. At the same time, for business people who need to work in the car for a long time or often go out, vehicle refrigerator is also an ideal choice, which can enjoy fresh food and beverages at any time.

[0003] In the prior art, the structure of the vehicle refrigerator mostly includes a box body with an open upper end, a box door is hinged to the side of the box body at the box opening, and the side of the box door away from the hinge position is detachably connected with the box body through a press buckle structure. This structure occupies a high space, and the height inside the car is limited, making it inconvenient for users to use the vehicle refrigerator. In order to solve the above problem, people designed a drawer type vehicle refrigerator, the box door of which can be pulled out and set on the box body, and the existing press buckle locking structure is not suitable for the drawer type vehicle refrigerator, so it needs to be improved. SUMMARY

[0004] (I) Technical problem to be solved

[0005] The problem to be solved by the utility model is to provide a vehicle refrigerator door body locking structure to overcome the defect that the existing locking structure is not suitable for the drawer type vehicle refrigerator.

[0006] (II) Technical scheme

[0007] In order to solve the above technical problem, the utility model provides a vehicle refrigerator door body locking structure, which comprises a driving plate rotatably installed in a door body, a lifting lock plate slidably installed in the door body, and at least one first lock pin fixed on a box body. An unlocking piece is installed on the outer wall of the door body, and the unlocking piece is drivingly connected with the driving plate. The driving plate is drivingly connected with the lifting lock plate through a transmission piece. A plurality of movable lock lugs are vertically spaced apart on the lifting lock plate. The movable lock lugs extend to the outside of the door body and can be engaged with the first lock pin. When unlocking, the unlocking piece drives the driving plate to rotate, the driving plate drives the lifting lock plate to slide through the transmission piece, and the movable lock lugs slide and separate from the first lock pin.

[0008] In some embodiments, the transmission member is a connecting rod, one end of which is hingedly connected to the driving plate and the other end is hingedly connected to the lifting lock plate; the connecting rod is two, symmetrically arranged on both sides of the lifting lock plate.

[0009] In some embodiments, a spring is installed between the lifting lock plate and the door body, which always makes the lifting lock plate have a tendency to move upward; a torsion spring is installed between the driving plate and the door body, which is used for resetting the driving plate.

[0010] In some embodiments, a plurality of guide grooves are arranged on the lifting lock plate, and a plurality of guide columns adapted to the guide grooves are arranged on the door body.

[0011] In some embodiments, the lifting lock plate is in the shape of a convex letter, the guide grooves are three, arranged on the upper side, middle side and lower side of the lifting lock plate respectively; the guide columns include a first guide column, a second guide column and a third guide column, a fixed column is installed above the first guide column, a first pressing plate is installed between the fixed column and the first guide column, and a second pressing plate is installed between the second guide column and the third guide column.

[0012] In some embodiments, a positioning column is installed on one end of the door body towards the cabinet, and a positioning groove corresponding to the positioning column is arranged on the cabinet.

[0013] In some embodiments, accommodating cavities are arranged on both sides of the door body respectively, the driving plates and the lifting lock plates are two groups and are installed in the corresponding accommodating cavities; the two driving plates are connected through a driving shaft, and the unlocking member is connected with the driving shaft.

[0014] In some embodiments, an insertion slot is arranged on the cabinet for inserting the movable lock tongue, a first lock pin is fixed on the upper end of the insertion slot, and a second lock pin is fixed on the lower end of the insertion slot.

[0015] In some embodiments, the unlocking member is a rotatable handle, a handle recess for accommodating the handle is arranged on the door body; the handle has a storage state, a pulling state and a lifting state; when the handle is in the vertical storage state, the movable lock tongue engages with the first lock pin, at this time the door body and the cabinet are locked; when the handle is in the obliquely downward or horizontal pulling state, the movable lock tongue is disengaged from the first lock pin, at this time the door body is unlocked and can be pulled out through the handle; when the handle is in the obliquely upward lifting state, the movable lock tongue engages with the second lock pin, the door body and the cabinet are locked, at this time the vehicle-mounted refrigerator can be lifted through the handle.

[0016] In some embodiments, the door body is provided with a straight hole for the movable lock tongue to extend out; the movable lock tongue is arrow-shaped, and two sides thereof are respectively provided with a first lock slot and a second lock slot for engaging with the first lock pin and the second lock pin.

[0017] (III) Beneficial Effects

[0018] The drawer-type vehicle-mounted refrigerator is locked by the movable lock tongue and the first lock pin, the locking is stable and reliable, and the locking effect is good; when unlocking, only the unlocking piece needs to be rotated, the unlocking piece can drive the movable lock tongue to descend to make the movable lock tongue separate from the first lock pin, and the unlocking operation is simple and convenient; the unlocking piece is a handle and a second lock pin is additionally arranged, the door body and the box body can be locked when the handle is stored; when the handle is rotated to a pulling state, the door body can be unlocked and pulled out through the handle; when the handle is rotated to a lifting state, the door body can be locked again to pull the whole vehicle-mounted refrigerator, the handle and the unlocking function are integrated, the design is ingenious, and the use convenience is improved; and the defects that the existing locking structure is not applicable to the drawer-type vehicle-mounted refrigerator are overcome. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a perspective view of the unlocking piece of the door body locking structure of the vehicle-mounted refrigerator in a storage state.

[0021] Figure 2 It is a perspective view of the unlocking piece of the door body locking structure of the vehicle-mounted refrigerator in a pulling state.

[0022] Figure 3 It is a perspective view of the door body locking structure of the vehicle-mounted refrigerator and the door body.

[0023] Figure 4 It is a structural schematic view of the door body locking structure of the vehicle-mounted refrigerator and the door body.

[0024] Figure 5 It is a perspective view of the door body locking structure of the vehicle-mounted refrigerator.

[0025] Figure 6 It is a perspective view of the insertion slot of the door body locking structure of the vehicle-mounted refrigerator.

[0026] Figure 7The utility model relates to a kind of movable lock tongue's structure schematic diagram of vehicle-mounted refrigerator door body locking structure.

[0027] Figure 8 For the utility model a kind of vehicle-mounted refrigerator door body locking structure unlocking piece is in the stereogram of upper lifting state;

[0028] The corresponding component name of each reference numeral in the drawing is: 1, door body;101, guide column;102, fixed column;103, positioning column;104, accommodating cavity;105, handle recess;106, straight hole;2, box;201, positioning groove;202, slot;3, driving plate;4, lifting lock plate;401, movable lock tongue;402, guide slot;403, first lock slot;404, second lock slot;5, first lock pin;6, unlocking piece;7, transmission part;8, spring;9, torsional spring;10, first pressing plate;11, second pressing plate;12, driving shaft;13, second lock pin. DETAILED DESCRIPTION

[0029] The present application will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] The embodiments of the present application will be described below through specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. The present application can also be implemented or applied by other different specific embodiments, and each detail in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that the various aspects of the embodiments described below are within the scope of the appended claims. It should be apparent that the aspects described herein can be embodied in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the present application, those skilled in the art should understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, devices can be implemented and / or methods can be practiced using any number of the aspects set forth herein. In addition, this device and / or method can be implemented using other structures and / or functionality in addition to or other than one or more of the aspects set forth herein.

[0032] It is also necessary to note that the drawings provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application, not the number, shape and size of the components when actually implemented. The actual implementation of each component may be a random change, and the component layout may be more complex.

[0033] In addition, in the following description, specific details are provided in order to facilitate a thorough understanding of the examples. However, one skilled in the art will understand that the examples can be practiced without these specific details.

[0034] The technical solutions provided by the embodiments of the present application are described below in combination with the drawings.

[0035] Referring to Figures 1 to 8 , the utility model provides a vehicle refrigerator door body locking structure, including the drive plate 3 of rotation installation in the door body 1, the lift lock plate 4 of sliding installation in the door body 1 and at least one first lock pin 5 of fixed in the box 2, the door body 1 can be installed on the box 2. The outer wall of door body 1 is installed with the unlocking piece 6, and the unlocking piece 6 is driven to connect with the drive plate 3, and the drive plate 3 is driven to connect with the lift lock plate 4 through transmission part 7;Lift lock plate 4 is provided with a plurality of movable lock tongue 401 in the vertical direction interval, in the embodiment, movable lock tongue 401 is two integral and is provided at the upper and lower ends of lift lock plate 4, guarantees the locking effect, and movable lock tongue 401 extends to the outside of door body 1 and can be locked with first lock pin 5.

[0036] When unlocking, rotating the unlocking piece 6, the unlocking piece 6 drives the drive plate 3 to rotate, the drive plate 3 drives the lift lock plate 4 to slide through the transmission part 7, the lift lock plate 4 drives the movable lock tongue 401 to slide, the movable lock tongue 401 is separated from the first lock pin 5, and the door body 1 is unlocked;This structure, only need to operate the unlocking piece 6 when unlocking, and the operation is simple.

[0037] In some embodiments, as Figures 3 to 5 shown, the transmission part 7 is a connecting rod, one end of the connecting rod is hinged to the drive plate 3, and the other end of the connecting rod is hinged to the lift lock plate 4. Among them, the connecting rod is two, symmetrically arranged on both sides of the lift lock plate 4.

[0038] In some embodiments, as Figure 4 and Figure 5 shown, a spring 8 is installed between the lift lock plate 4 and the door body 1, the spring 8 always makes the lift lock plate 4 have a tendency to move upward;Under the action of the spring 8, the movable lock tongue 401 is clamped with the first lock pin 5, so that the door body 1 is locked. A torsional spring 9 is installed between the drive plate 3 and the door body 1, and the torsional spring 9 is used for resetting the drive plate 3.

[0039] In some embodiments, as Figure 4 and Figure 5As shown, the lifting lock plate 4 is provided with a plurality of guide grooves 402, and the door body 1 is provided with a plurality of guide columns 101 matched with the guide grooves 402. Through the cooperation of the guide grooves 402 and the guide columns 101, the lifting lock plate 4 can only slide vertically, ensuring the feasibility of the structure. In this embodiment, the lifting lock plate 4 is in the shape of a convex character, and the guide grooves 402 are three, which are arranged at the upper side, the middle side and the lower side of the lifting lock plate 4 respectively; the guide columns 101 are also three, which are a first guide column, a second guide column and a third guide column, a fixed column 102 is installed above the first guide column, a first pressing plate 10 is installed between the fixed column 102 and the first guide column, a second pressing plate 11 is installed between the second guide column and the third guide column, and the first pressing plate 10 and the second pressing plate 11 are both located on the outer side of the lifting lock plate 4 for limiting the lifting lock plate 4.

[0040] In some embodiments, as shown in Figure 2 , Figure 3 and Figure 6 , one end of the door body 1 towards the cabinet 2 is provided with a positioning column 103, and the cabinet 2 is provided with a positioning groove 201 corresponding to the positioning column 103; when the door body is closed, the positioning column 103 is placed in the positioning groove 201.

[0041] In some embodiments, as shown in Figure 3 , Figure 5 , both sides of the door body 1 are respectively provided with accommodating cavities 104, and the driving plates 3 and the lifting lock plates 4 are both two groups and are installed in the corresponding accommodating cavities 104; the accommodating cavities 104 are provided with cover plates for covering the components such as the driving plates 3 and the lifting lock plates 4. In this embodiment, two groups of locking structures are adopted, which are symmetrically arranged, reliable in locking, uniform in force on the door body, and stable in structure. The two driving plates 3 are connected through a driving shaft 12, and the unlocking piece 6 is connected with the driving shaft 12; when unlocking, the unlocking piece 6 is rotated, the unlocking piece 6 drives the driving shaft 12 to rotate, and the driving shaft 12 drives the driving plate 3 to rotate.

[0042] In some embodiments, as shown in Figure 6 , Figure 7 , the cabinet 2 is provided with a insertion groove 202 for inserting the movable lock tongue 401, the upper end of the insertion groove 202 is fixed with a first lock pin 5, the lower end of the insertion groove 202 is fixed with a second lock pin 13, and the first lock pin 5 and the second lock pin 13 are the same in structure and are in the shape of a cylinder. The door body 1 is provided with a straight line perforation 106 for the movable lock tongue 401 to extend out; the movable lock tongue 401 is in the shape of an arrow, and the two sides of the movable lock tongue 401 are respectively provided with a first lock groove 403 and a second lock groove 404 for clamping with the first lock pin 5 and the second lock pin 13.

[0043] In some embodiments, as shown in Figure 1 , Figure 2 and Figure 8 , the cabinet 2 is provided with a insertion groove 202 for inserting the movable lock tongue 401, the upper end of the insertion groove 202 is fixed with a first lock pin 5, the lower end of the insertion groove 202 is fixed with a second lock pin 13, and the first lock pin 5 and the second lock pin 13 are the same in structure and are in the shape of a cylinder. The door body 1 is provided with a straight line perforation 106 for the movable lock tongue 401 to extend out; the movable lock tongue 401 is in the shape of an arrow, and the two sides of the movable lock tongue 401 are respectively provided with a first lock groove 403 and a second lock groove 404 for clamping with the first lock pin 5 and the second lock pin 13.As shown, the unlocking member 6 is a rotatable handle, which is in U shape and connected with the driving shaft 12, and the door body 1 is provided with a handle recess 105 for accommodating the handle.

[0044] The handle has a storage state, a pulling state and a lifting state; when the handle is in the vertical storage state (as shown in Figure 1 ), i.e. the handle is placed in the handle recess 105, the movable lock tongue 401 is engaged with the first lock pin 5, at this time the door body 1 and the cabinet 2 are locked. When the handle is rotated to the obliquely downward or horizontal pulling state (as shown in Figure 2 ), in the process of rotating the handle, the movable lock tongue 401 is lowered and disengaged from the first lock pin 5, at this time the door body 1 is unlocked and can be pulled out through the handle. When the handle is rotated to the obliquely upward lifting state (as shown in Figure 8 ), in the process of rotating the handle, the movable lock tongue 401 is lowered and engaged with the second lock pin 13, at this time the door body 1 and the cabinet 2 are re-locked, and the vehicle-mounted refrigerator can be lifted through the handle; the handle and the unlocking function are integrated, the design is ingenious, and the convenience of use is increased.

[0045] In the specification, the same or similar parts among various embodiments can be referred to each other, and each embodiment focuses on the difference from other embodiments.

[0046] The above is merely a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A locking structure for a vehicle-mounted refrigerator door, characterized in that: The device includes a drive plate (3) rotatably installed inside the door body (1), a lifting lock plate (4) slidably installed inside the door body (1), and at least one first locking pin (5) fixed on the housing (2). An unlocking component (6) is installed on the outer wall of the door body (1). The unlocking component (6) is driven to the drive plate (3). The drive plate (3) is driven to the lifting lock plate (4) through a transmission component (7). The lifting lock plate (4) is provided with multiple movable locking tongues (401) spaced vertically. The movable locking tongues (401) extend to the outside of the door body (1) and can engage with the first locking pin (5) for locking. When unlocking, the unlocking component (6) drives the drive plate (3) to rotate. The drive plate (3) drives the lifting lock plate (4) to slide through the transmission component (7). The movable locking tongues (401) slide and disengage from the first locking pin (5).

2. The vehicle refrigerator door locking structure as described in claim 1, characterized in that: The transmission component (7) is a connecting rod, one end of which is hinged to the drive plate (3) and the other end is hinged to the lifting lock plate (4); there are two connecting rods, which are symmetrically arranged on both sides of the lifting lock plate (4).

3. The vehicle refrigerator door locking structure as described in claim 1, characterized in that: A spring (8) is installed between the lifting lock plate (4) and the door body (1), and the spring (8) always makes the lifting lock plate (4) tend to move upward; a torsion spring (9) is installed between the drive plate (3) and the door body (1), and the torsion spring (9) is used to reset the drive plate (3).

4. The vehicle refrigerator door locking structure as described in claim 1, characterized in that: The lifting lock plate (4) is provided with multiple guide grooves (402), and the door body (1) is provided with multiple guide posts (101) that are adapted to the guide grooves (402).

5. The vehicle refrigerator door locking structure as described in claim 4, characterized in that: The lifting lock plate (4) is convex in shape, and the guide groove (402) consists of three grooves respectively arranged on the upper, middle and lower sides of the lifting lock plate (4); the guide post (101) includes a first guide post, a second guide post and a third guide post, a fixed post (102) is installed above the first guide post, a first pressure plate (10) is installed between the fixed post (102) and the first guide post, and a second pressure plate (11) is installed between the second guide post and the third guide post.

6. The vehicle refrigerator door locking structure as described in claim 1, characterized in that: A positioning post (103) is installed at one end of the door (1) facing the box (2), and a positioning groove (201) corresponding to the positioning post (103) is provided on the box (2).

7. The vehicle refrigerator door locking structure as described in claim 1, characterized in that: The door body (1) is provided with a receiving cavity (104) on both sides. The drive plate (3) and the lifting lock plate (4) are two sets and installed in the corresponding receiving cavity (104). The two drive plates (3) are connected by a drive shaft (12), and the unlocking component (6) is connected to the drive shaft (12).

8. The vehicle refrigerator door locking structure as described in claim 1, characterized in that: The housing (2) is provided with a slot (202) for inserting the movable locking tongue (401). The upper end of the slot (202) is fixed with the first locking pin (5), and the lower end is fixed with the second locking pin (13).

9. The vehicle refrigerator door locking structure as described in claim 8, characterized in that: The unlocking component (6) is a rotatable handle, and the door body (1) is provided with a handle groove (105) for accommodating the handle; The handle has a retractable state, a pull-out state, and an upward-lifting state. When the handle is in the vertical retractable state, the movable latch (401) engages with the first locking pin (5), and the door (1) and the cabinet (2) are locked. When the handle is in the downward or horizontal pull-out state, the movable latch (401) disengages from the first locking pin (5), and the door (1) is unlocked and can be pulled out through the handle. When the handle is in the upward-lifting state, the movable latch (401) engages with the second locking pin (13), and the door (1) and the cabinet (2) are locked. The car refrigerator can be lifted out through the handle.

10. The vehicle refrigerator door locking structure as described in claim 8, characterized in that: The door body (1) is provided with a straight through hole (106) for the movable latch (401) to extend out; The movable locking tongue (401) is arrow-shaped, and its two sides are respectively provided with a first locking groove (403) and a second locking groove (404) for engaging with the first locking pin (5) and the second locking pin (13).