Refrigerator having built-in locking structure
By incorporating a built-in locking structure into the freezer, locking and unlocking are achieved through the sliding of the lock head groove and the latch groove. This solves the problem of easy damage to external latches, maintains the aesthetics of the freezer and controls the packaging volume, and improves the versatility and production efficiency of the locking structure.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AUCMA
- Filing Date
- 2025-07-04
- Publication Date
- 2026-07-07
AI Technical Summary
The existing external locking structure of freezers is prone to damage, increases product packaging volume and transportation costs, and also affects aesthetics.
It adopts a built-in locking structure, which uses recessed lock head grooves and lock buckle grooves on the cabinet and cover to achieve locking by using lock hooks, avoiding the use of metal connectors such as screws. The lock hooks achieve locking and unlocking by sliding the lock head grooves and lock buckle grooves.
It avoids damage to the locking structure in corrosive environments, maintains the appearance of the freezer without increasing the packaging volume, and improves the versatility and production efficiency of the locking structure.
Smart Images

Figure CN224470526U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of freezer technology, and in particular relates to a freezer with a built-in locking structure. Background Technology
[0002] Currently, the common structure of lockable freezers typically consists of an external handle and a locking hook on the lid, and a latch on the cabinet body that engages with the locking hook. When the lid is closed, the locking hook and latch lock together.
[0003] The latches are fixed to the cabinet body with screws or bolts, and are protruding. Exposed metal screws are easily corroded in the high-oil, high-salt environment of a kitchen, causing damage and detachment. The handles and latches protrude from the freezer body, detracting from the overall aesthetics of the product and increasing packaging volume, thus raising packaging and transportation costs.
[0004] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content
[0005] To address the aforementioned shortcomings, this utility model primarily provides a freezer with a built-in locking structure, solving the technical problem that external locking structures are prone to damage.
[0006] To solve the above problems, this utility model provides a freezer with a built-in locking structure, comprising:
[0007] The cabinet has a latch groove at its opening; the cabinet also has a locking cavity that connects to the latch groove.
[0008] The cover has a lock slot;
[0009] A locking hook has a locking head that is slidably disposed in the locking head groove at one end and a hook that is slidably disposed in the locking buckle groove at the other end;
[0010] The freezer has a locked and unlocked state, specifically:
[0011] In the locked state, the hook head enters the locking cavity, restricting the opening of the cover;
[0012] In the unlocked state, the hook head is disengaged from the locking cavity, and the cover can be opened and closed freely.
[0013] According to the present invention, a freezer with a built-in locking structure is provided, wherein the lock head groove is formed by an inward recess from the front end of the cover; the latch groove is formed by a downward recess from the top of the cabinet opening; the locking cavity is formed by starting from one end face of the latch groove and extending laterally into the cabinet body; and the hook is a columnar structure and is laterally fixed on the locking hook.
[0014] According to the present invention, a freezer with a built-in locking structure is provided on the lid, and the outer periphery of the handle does not extend beyond the outer edge of the lid.
[0015] According to the present invention, a freezer with a built-in locking structure has a handle seat fixed at the front end of the cover, the handle seat has a recessed handle groove, and the handle is installed in the handle groove.
[0016] According to the present invention, in a freezer with a built-in locking structure, the inner wall of the handle groove is an arc structure.
[0017] According to the present invention, a refrigerator with a built-in locking structure has a recessed mounting groove on the cover, and a plurality of snap-fit grooves are provided on the side wall of the mounting groove; the handle base is fixed with the same number of snap-fit grooves, and each snap-fit groove is fixedly engaged with the corresponding snap-fit groove.
[0018] According to the present invention, a freezer with a built-in locking structure is provided, wherein a lock head box is fixed on the handle base, and a lock head groove is formed inside the lock head box; both the bottom of the lock head box and the bottom of the handle base are provided with clearance holes for the movable connection of the lock hook; a receiving groove for fixing the lock head box is formed inward on the cover; and a slide rail groove for the movable connection of the lock hook is provided at the bottom of the receiving groove.
[0019] According to the present invention, a freezer with a built-in locking structure is provided with a buckle groove on the inner wall of the receiving slot, and a locking claw that cooperates with the buckle groove is provided on the outer side of the lock box.
[0020] According to the present invention, a freezer with a built-in locking structure is provided with a lock hole on the inner side wall of the lock head groove, and a lock cylinder is installed on the lock head; the lock cylinder is configured to be rotated by a key and can be fixed or separated from the lock hole.
[0021] According to the present invention, a freezer with a built-in locking structure has two lock holes, which are respectively set in the positions of the lock head in the locked state and the unlocked state.
[0022] In summary, this invention achieves the locking of the freezer through the cooperation of the recessed lock head groove and lock latch groove with the lock hook. The placement of these two components on the lid and cabinet eliminates the need for screws or other metal connectors, preventing damage in corrosive environments. Both are recessed structures, not increasing the freezer's overall dimensions, resulting in an aesthetically pleasing design and controllable packaging volume. This invention's locking structure is not limited by the shape, structure, or installation position of the handle, offering strong versatility and applicability to various product types. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the structure of this utility model;
[0024] Figure 2 yes Figure 1 Schematic diagram of the structure of region A in the middle;
[0025] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure along the B-axis;
[0026] Figure 4 This is a schematic diagram of the structure of the cover of this utility model;
[0027] Figure 5 yes Figure 4 A schematic diagram of the structure of a partial area of the cover;
[0028] Figure 6 This is a structural schematic diagram of the back of the handle base of this utility model;
[0029] In the diagram: 1-Cover, 11-Lock slot, 12-Mounting slot, 13-Snap slot, 14-Accommodation slot, 141-Slide rail slot; 2-Cabinet, 21-Lock slot, 211-Locking cavity; 3-Handle seat, 31-Handle bar, 32-Handle bar slot, 33-Leaning hole, 34-Claw, 35-Lock box; 4-Key, 5-Lock hook, 51-Hook head, 52-Lock head. Detailed Implementation
[0030] See Figure 1-3 This utility model provides a freezer with a built-in locking structure, including...
[0031] The cabinet 2 has a latch groove 21 at its opening; the cabinet 2 also has a locking cavity 211 that communicates with the latch groove 21.
[0032] The cover 1 has a lock groove 11; more preferably, the lock groove 11 is formed by an inward recess from the front end of the cover 1.
[0033] The locking hook 5 has a locking head 52 that is slidably disposed in the locking head groove 11 at one end, and a hook head 51 that is slidably disposed in the locking buckle groove 21 at the other end;
[0034] The freezer has a locked and unlocked state, specifically:
[0035] In the locked state, the hook head 51 enters the locking cavity 211, restricting the opening of the cover 1;
[0036] In the unlocked state, the hook head 51 is disengaged from the locking cavity 211, and the cover 1 can be opened and closed freely.
[0037] The locking hook 5 moves back and forth, switching between locked and unlocked states.
[0038] Optionally, the latch groove 21 of this utility model is formed by a downward recess from the top surface of the cabinet opening of the cabinet body 2, and the locking cavity 211 is formed by extending laterally into the cabinet body 2 from one end face of the latch groove 21; the hook head 51 is a columnar structure and is laterally fixed on the locking hook member 5; the horizontal movement of the locking hook member 5 can allow the hook head 51 to enter or leave the locking cavity 211, switching the locking and unlocking states of the freezer.
[0039] The lock slot 11 and latch slot 21 of this utility model are provided on the cover 1 and cabinet 2 without the need for metal connectors such as screws, thus avoiding damage in corrosive environments. Both are recessed structures, which do not increase the external dimensions of the freezer, resulting in an aesthetically pleasing overall appearance and controllable packaging volume.
[0040] The locking structure of this invention is not limited by the shape, structure, or installation position of the handle, making it highly versatile and applicable to various types of products.
[0041] As one embodiment, a lock hole is provided on the inner side wall of the lock head groove 11, and a lock cylinder is installed on the lock head 52; after the lock hook 5 moves to switch the freezer to the locked state, the lock head 52 can be fixed in the lock hole position by turning the lock cylinder with the key 4, thus locking the freezer and providing anti-theft function.
[0042] The lock cylinder and keyhole of this utility model can be selected from applicable known structures.
[0043] Furthermore, this utility model has two lock holes, which correspond to the locked and unlocked states of the lock head 52, respectively.
[0044] When the lock cylinder 52 is in the locked position, the key 4 can be used to lock the lock cylinder 52 to prevent the cover 1 from being opened without authorization.
[0045] When the lock head 52 is in the unlocked position, the key 4 can be used to lock the lock head 52, which can fix the lock hook 5 in the lock head groove 11 and prevent the lock hook 5 from sliding freely in the lock head groove 11 when the cover 1 is opened and closed, which would cause the hook head 51 to collide with the cabinet 2.
[0046] As one embodiment, the cover 1 is also provided with a handle 31, the outer periphery of which does not extend beyond the outer edge of the cover 1.
[0047] See Figure 4-6 As one embodiment, a handle seat 3 is fixed at the front end of the cover 1, and the handle seat 3 has a recessed handle groove 32, in which the handle 31 is installed;
[0048] The handle 31 is first assembled with the handle base 3 into an assembly, and then installed onto the cover 1 as a whole. This process is efficient and ensures controllable assembly quality.
[0049] Furthermore, the inner wall of the handlebar groove 3 is an arc structure, so that the distance between the handlebar 31 and the inner wall of the handlebar groove 3 is basically uniform, making it convenient for the user's fingers to insert and grip the handlebar 31.
[0050] Furthermore, the cover 1 has a recessed mounting groove 12, and the side wall of the mounting groove 12 is provided with a plurality of snap-fit grooves 13; the handle base 3 is fixed with the same number of claws 34 as the snap-fit grooves 13, and each claw 34 forms a fixed insertion engagement with the corresponding snap-fit groove 13.
[0051] The use of fasteners such as screws is replaced by the cooperation of the claw 34 and the snap-fit slot 13, which simplifies the structure, reduces the number of assembly parts, and improves the installation efficiency of the handle base 3.
[0052] See Figure 4 and Figure 6 As one embodiment, a lock head box 35 is fixed on the handle base 3, and a lock head groove 11 is formed inside the lock head box 35; both the bottom of the lock head box 35 and the bottom of the handle base 3 are provided with clearance holes 33 for the lock hook 5 to move through; a receiving groove 14 for fixing the lock head box 35 is formed inward on the cover 1; a slide rail groove 141 for the lock hook 5 to move through is provided at the bottom of the receiving groove 14.
[0053] The handle 31 and the locking hook 5 can be installed on the handle base 3 first to assemble them into a complete assembly, and then the assembly can be installed on the cover 1. This results in high production efficiency.
[0054] Furthermore, the inner wall of the receiving groove 14 is provided with a latching groove 13, and the outer side of the lock box 35 is provided with a latching claw 34 that cooperates with the latching groove 13.
[0055] The fixed connection point between the handle base 3 and the cover 1 has been increased, which improves the fixing strength and enables the handle base 3 to withstand a larger load, making it suitable for large-sized freezer covers.
[0056] In summary, this utility model provides a freezer with a built-in locking structure. The freezer is locked by the engagement of a recessed lock head groove and a latch groove with a locking hook. The recessed design on the lid and cabinet eliminates the need for screws or other metal connectors, preventing damage in corrosive environments. Both recessed structures do not increase the freezer's overall dimensions, resulting in an aesthetically pleasing design and controllable packaging volume. This locking structure is not limited by the shape, structure, or installation position of the handle, making it highly versatile and applicable to various product types.
[0057] Of course, there may be other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make various corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.
Claims
1. A freezer with a built-in locking structure, characterized in that, include: The cabinet has a latch groove at its opening; the cabinet also has a locking cavity that connects to the latch groove. The cover has a lock slot; A locking hook has a locking head that is slidably disposed in the locking head groove at one end and a hook that is slidably disposed in the locking buckle groove at the other end; The freezer has a locked and unlocked state, specifically: In the locked state, the hook head enters the locking cavity, restricting the opening of the cover; In the unlocked state, the hook head is disengaged from the locking cavity, and the cover can be opened and closed freely.
2. The freezer with a built-in locking structure as described in claim 1, characterized in that, The lock head groove is formed by an inward recess from the front end of the cover; the latch groove is formed by a downward recess from the top of the cabinet opening; the locking cavity starts from one end face of the latch groove and extends laterally into the cabinet; the hook is a columnar structure and is laterally fixed on the lock hook.
3. The freezer with a built-in locking structure as described in claim 1, characterized in that, The cover is also provided with a handle, the outer periphery of which does not extend beyond the outer edge of the cover.
4. The freezer with a built-in locking structure as described in claim 3, characterized in that, A handle seat is fixed to the front end of the cover, and the handle seat has a recessed handle groove, in which the handle is installed.
5. The freezer with a built-in locking structure as described in claim 4, characterized in that, The inner wall of the handlebar groove has a circular arc structure.
6. The freezer with a built-in locking structure as described in claim 4, characterized in that, The cover has a recessed mounting groove, and the side wall of the mounting groove has multiple snap-fit slots; the handle base is fixed with the same number of snap-fit slots, and each snap-fit slot forms a fixed insertion engagement with the corresponding snap-fit slot.
7. The freezer with a built-in locking structure as described in claim 4, characterized in that, A lock head box is fixed on the handle base, and a lock head groove is formed inside the lock head box; both the bottom of the lock head box and the bottom of the handle base are provided with clearance holes for the movable connection of the lock hook; a receiving groove for fixing the lock head box is formed inward on the cover; a slide rail groove for the movable connection of the lock hook is provided at the bottom of the receiving groove.
8. The freezer with a built-in locking structure as described in claim 7, characterized in that, The inner wall of the receiving groove is provided with a snap-fit groove, and the outer side of the lock box is provided with a snap-fit claw that cooperates with the snap-fit groove.
9. The freezer with a built-in locking structure as described in any one of claims 1 to 8, characterized in that, The inner wall of the lock head groove is provided with a lock hole, and a lock cylinder is installed on the lock head; the lock cylinder is configured to be rotated by a key and can be fixed or separated from the lock hole.
10. The freezer with a built-in locking structure as described in claim 9, characterized in that, There are two keyholes, which are respectively set in the positions of the lock head in the locked state and the unlocked state.