Key shell structure

Abstract

The utility model relates to the technical field of key shells, in particular to a key shell structure which comprises an upper cover, an upper lining, a lower cover and a lower lining, notches are formed in the bottom of the upper cover and the bottom of the lower cover, embedded blocks are arranged at the bottom of the upper lining and the bottom of the lower lining, and the embedded blocks are embedded into the notches. According to the key shell, the zinc alloy and the TPU lining are adopted, so that the durability and the impact resistance of the key shell are remarkably improved. The hardness and corrosion resistance of the zinc alloy effectively resist scraping and abrasion, and the structure and attractiveness are kept. And the elasticity and the buffering property of the TPU can absorb impact and protect internal elements. The accurate buckle design simplifies assembly, improves waterproof and sealing performance, prevents dust and moisture from invading, prolongs the service life, ensures the stability of the key shell in daily use, and reduces maintenance requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of key shells, in particular to a key shell structure. Background Art

[0002] At present, cars can be opened or closed remotely by remote control keys. Therefore, electronic devices such as circuit boards should be set in the remote control keys. Due to the particularity of electronic devices, shockproof treatment is required to avoid damage caused by accidental falls. Therefore, providing necessary protective shells for car keys is on the agenda. Existing key shells usually use plastic materials as protective shells. Plastic materials are easily broken or deformed by external forces, resulting in internal components being exposed and easily damaged. The lack of precise positioning also complicates the assembly process and increases the risk of poor sealing and moisture intrusion. These problems will shorten the service life of the key shell, increase the frequency of repairs and replacements, and bring inconvenience and additional costs to users. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a key shell structure, comprising an upper cover, an upper lining, a lower cover and a lower lining, the bottoms of the upper cover and the lower cover are both provided with notches, the bottoms of the upper lining and the lower lining are both provided with embedded blocks, and the embedded blocks are embedded in the notches;

[0005] A No. 1 buckle is fixedly installed inside the upper cover, a No. 2 buckle groove is opened on the inner side of the upper cover, an upper embedding groove is opened inside the upper cover, an upper positioning column is fixedly installed on the surface of the upper embedding groove, a screw is threadedly connected to the bottom of the upper cover, an upper convex block is fixedly installed on the top of the upper cover, and an upper round hole is opened inside the upper convex block;

[0006] A No. 2 buckle is fixedly installed inside the lower cover, a No. 1 buckle groove is provided on the inner side of the lower cover, a lower embedding groove is provided inside the lower cover, a lower positioning column is fixedly installed on the surface of the lower embedding groove, a lower convex block is fixedly installed on the top of the lower cover, a lower circular hole is provided inside the lower convex block, and a through hole is provided at the bottom of the lower cover;

[0007] An upper fitting edge is provided on the surface of the upper inner lining, an upper positioning hole is provided on the surface of the upper fitting edge, and an elastic plug is fixedly installed on the top of the upper inner lining;

[0008] A lower fitting edge is provided on the surface of the lower lining, and a lower positioning hole is provided on the surface of the lower fitting edge.

[0009] Preferably, the position of the No. 1 buckle corresponds to the No. 1 buckle slot, and the No. 2 buckle corresponds to the No. 2 buckle slot.

[0010] Preferably, the upper protrusion corresponds to the lower protrusion, and the upper circular hole is aligned with the lower circular hole, and the elastic plug passes through the upper circular hole and the lower circular hole.

[0011] Preferably, the upper fitting edge fits with the upper embedding groove, the lower fitting edge fits with the lower embedding groove, the position of the upper positioning column corresponds to the position of the upper positioning hole, and the position of the lower positioning column corresponds to the position of the lower positioning hole.

[0012] Preferably, the upper cover and the lower cover are made of zinc alloy.

[0013] Preferably, the upper lining and the lower lining are made of TPU.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] In the utility model, by adopting zinc alloy and TPU lining materials, the durability and impact resistance are significantly improved. The hardness and corrosion resistance of zinc alloy ensure that the key shell can resist scratches, corrosion and wear in long-term use, maintaining its structural integrity and aesthetics. The TPU lining has excellent elasticity and cushioning properties, which can effectively absorb external impacts and protect internal electronic components from damage. In addition, the precisely designed buckles and buckle grooves achieve seamless docking between components, simplify the assembly process, and at the same time improve the waterproof and sealing performance, prevent dust and moisture from intruding, and extend the service life of internal components. Make the key shell more stable and reliable in daily use, reducing the need for maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of a key shell structure is provided for the utility model;

[0017] Figure 2 A rear view of a key shell structure is provided for the utility model;

[0018] Figure 3 A schematic diagram of an upper cover of a key shell structure proposed by the utility model;

[0019] Figure 4 A schematic diagram of an upper lining of a key shell structure proposed by the utility model;

[0020] Figure 5 A schematic diagram of a lower cover of a key shell structure proposed by the utility model;

[0021] Figure 6 The utility model provides a schematic diagram of a lower lining of a key shell structure.

[0022] Legend:

[0023] 1. Upper cover; 2. Lower cover; 3. Upper lining; 4. Lower lining; 5. No. 1 buckle; 6. No. 2 buckle groove; 7. Upper embedded groove; 8. Upper positioning column; 9. Notch; 10. Screw; 11. Upper protrusion; 12. Upper round hole; 13. Upper fitting edge; 14. Upper positioning hole; 15. Embedded block; 16. Elastic plug; 17. No. 2 buckle; 18. No. 1 buckle groove; 19. Lower embedded groove; 20. Lower protrusion; 21. Lower round hole; 22. Lower positioning column; 23. Lower positioning hole; 24. Lower fitting edge; 25. Perforation. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0026] Example

[0027] See also Figure 1-6 The utility model provides a technical solution: a key shell structure, including an upper cover 1, an upper lining 3, a lower cover 2 and a lower lining 4, the bottom of the upper cover 1 and the lower cover 2 are both provided with a notch 9, the bottom of the upper lining 3 and the lower lining 4 are both provided with an embedded block 15, and the embedded block 15 is embedded with the notch 9;

[0028] A No. 1 buckle 5 is fixedly installed inside the upper cover 1, a No. 2 buckle groove 6 is opened on the inner side of the upper cover 1, an upper embedding groove 7 is opened inside the upper cover 1, an upper positioning column 8 is fixedly installed on the surface of the upper embedding groove 7, a screw 10 is threadedly connected to the bottom of the upper cover 1, an upper convex block 11 is fixedly installed on the top of the upper cover 1, and an upper circular hole 12 is opened inside the upper convex block 11;

[0029] A second buckle 17 is fixedly installed inside the lower cover 2, a first buckle groove 18 is provided on the inner side of the lower cover 2, a lower embedding groove 19 is provided inside the lower cover 2, a lower positioning column 22 is fixedly installed on the surface of the lower embedding groove 19, a lower convex block 20 is fixedly installed on the top of the lower cover 2, a lower circular hole 21 is provided inside the lower convex block 20, and a through hole 25 is provided at the bottom of the lower cover 2;

[0030] An upper fitting edge 13 is provided on the surface of the upper inner lining 3, an upper positioning hole 14 is provided on the surface of the upper fitting edge 13, and an elastic plug 16 is fixedly installed on the top of the upper inner lining 3;

[0031] A lower fitting edge 24 is formed on the surface of the lower lining 4 , and a lower positioning hole 23 is formed on the surface of the lower fitting edge 24 .

[0032] Furthermore, the position of the No. 1 buckle 5 corresponds to the No. 1 buckle slot 18 , and the position of the No. 2 buckle 17 corresponds to the No. 2 buckle slot 6 .

[0033] In this embodiment, it is ensured that the upper cover 1 and the lower cover 2 of the key shell can be accurately aligned and firmly locked. Through precise docking, the stability and durability of the structure are improved, and the opening and closing action is made smoother.

[0034] Furthermore, the upper protrusion 11 corresponds to the lower protrusion 20 , and the upper circular hole 12 is aligned with the lower circular hole 21 , and the elastic plug 16 passes through the upper circular hole 12 and the lower circular hole 21 .

[0035] In this embodiment, it is ensured that when the key shell is fully closed, the integrity of the internal structure is maintained, and the design of the elastic plug 16 can provide additional fixing and buffering effects, while increasing the impact resistance.

[0036] Furthermore, the upper fitting edge 13 fits with the upper embedding groove 7 , the lower fitting edge 24 fits with the lower embedding groove 19 , the position of the upper positioning column 8 corresponds to the position of the upper positioning hole 14 , and the position of the lower positioning column 22 corresponds to the position of the lower positioning hole 23 .

[0037] In this embodiment, the alignment accuracy of the structure is increased, which helps to ensure that each part of the key shell can be accurately located at a predetermined position, reduce assembly errors, and improve the firmness and durability of the overall structure.

[0038] Furthermore, the material of the upper cover 1 and the lower cover 2 is zinc alloy.

[0039] In this embodiment, zinc alloy is a material with high strength and good corrosion resistance, so that the key shell not only has high durability and structural strength, but also has a good appearance and feel. In addition, zinc alloy has good processing performance and is suitable for precision casting, which helps to achieve complex design details.

[0040] Furthermore, the material of the upper lining 3 and the lower lining 4 is TPU.

[0041] In this embodiment, TPU has excellent flexibility, wear resistance and elasticity. Using TPU as the lining material can effectively protect the key from scratches and impacts. At the same time, the shock resistance of TPU also helps to reduce wear in daily use and extend the service life of the key shell. In addition, TPU also has good oil resistance and chemical resistance and is suitable for various environments.

[0042] Working principle: The key shell is composed of an upper cover 1 and a lower cover 2, which are seamlessly connected through the precise notch 9 and the insert 15 design, ensuring the accuracy and stability of assembly. The No. 1 buckle 5 inside the upper cover 1 corresponds to the No. 1 buckle slot 18 of the lower cover 2, and the No. 2 buckle 17 corresponds to the No. 2 buckle slot 6. Through this corresponding relationship, the key shell can be locked smoothly and firmly when opening and closing. The upper cover 1 and the lower cover 2 are matched by the upper protrusion 11 and the lower protrusion 20, and the upper round hole 12 and the lower round hole 21 are aligned, and the elastic plug 16 is used to enhance the impact resistance and internal structure integrity of the key shell. The design of the upper lining 3 and the lower lining 4 protects the key from scratches and impacts, while improving the overall durability and shock resistance. The zinc alloy material of the upper cover 1 and the lower cover 2 provides high strength and good corrosion resistance, while the TPU lining adds flexibility and wear resistance. The comprehensive use of these designs and materials ensures the high performance and long-term durability of the key shell in daily use.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A key shell structure, comprising an upper cover (1), an upper lining (3), a lower cover (2) and a lower lining (4), characterized in that: The bottoms of the upper cover (1) and the lower cover (2) are both provided with notches (9), and the bottoms of the upper lining (3) and the lower lining (4) are both provided with inserts (15), and the inserts (15) are fitted into the notches (9); A No. 1 buckle (5) is fixedly installed inside the upper cover (1), a No. 2 buckle groove (6) is opened on the inner side of the upper cover (1), an upper embedding groove (7) is opened inside the upper cover (1), an upper positioning column (8) is fixedly installed on the surface of the upper embedding groove (7), a screw (10) is threadedly connected to the bottom of the upper cover (1), an upper protrusion (11) is fixedly installed on the top of the upper cover (1), and an upper circular hole (12) is opened inside the upper protrusion (11); A No. 2 buckle (17) is fixedly installed inside the lower cover (2), a No. 1 buckle groove (18) is provided on the inner side of the lower cover (2), a lower embedding groove (19) is provided inside the lower cover (2), a lower positioning column (22) is fixedly installed on the surface of the lower embedding groove (19), a lower protrusion (20) is fixedly installed on the top of the lower cover (2), a lower circular hole (21) is provided inside the lower protrusion (20), and a through hole (25) is provided at the bottom of the lower cover (2); An upper fitting edge (13) is provided on the surface of the upper inner lining (3), an upper positioning hole (14) is provided on the surface of the upper fitting edge (13), and an elastic plug (16) is fixedly installed on the top of the upper inner lining (3); A lower fitting edge (24) is provided on the surface of the lower lining (4), and a lower positioning hole (23) is provided on the surface of the lower fitting edge (24).

2. The key shell structure according to claim 1, characterized in that: The position of the No. 1 buckle (5) corresponds to the position of the No. 1 buckle slot (18), and the position of the No. 2 buckle (17) corresponds to the position of the No. 2 buckle slot (6).

3. The key shell structure according to claim 1, characterized in that: The upper protrusion (11) corresponds to the lower protrusion (20), and the upper circular hole (12) is aligned with the lower circular hole (21), and the elastic plug (16) passes through the upper circular hole (12) and the lower circular hole (21).

4. The key shell structure according to claim 1, characterized in that: The upper fitting edge (13) fits with the upper embedding groove (7), the lower fitting edge (24) fits with the lower embedding groove (19), the position of the upper positioning column (8) corresponds to the position of the upper positioning hole (14), and the position of the lower positioning column (22) corresponds to the position of the lower positioning hole (23).

5. The key shell structure according to claim 1, characterized in that: The upper cover (1) and the lower cover (2) are made of zinc alloy.

6. The key shell structure according to claim 1, characterized in that: The upper lining (3) and the lower lining (4) are made of TPU.

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