Double-contact-point anti-deformation elastic sheet
By setting guide holes and elastic contact arms on the shrapnel base to form a double contact point structure, the existing shrapnel contact unstable and prone to deformation are solved, and higher contact stability and longer service life are achieved.
Patent Information
- Application Number
- CN202422145650.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-02
AI Technical Summary
The single contact point structure of the existing shrapnel leads to unstable contact, which is prone to poor contact, affecting the normal use of electronic products; during production and assembly, the suspended elastic arms are prone to deform, increasing production difficulty; when replacing the battery, the shrapnel may deform due to instant jumping, shortening the product life.
A double contact point anti-deformation shrapnel is designed, and a first and second guide holes are provided on the base. The first and second elastic contact arms extend outward on the base, and move in the guide holes to form a double contact point structure, increasing the contact area and stability, and improving the quality and service life of the product through the support arm and the support hook.
The double contact point structure improves the contact stability of the shrapnel, avoids poor contact, extends the service life of the product, improves product quality, and meets existing needs.
Smart Images
Figure CN223007000U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shrapnel, in particular to a double-contact-point anti-deformation shrapnel. Background Technique
[0002] With the continuous development of social economy, the electronics industry is becoming more and more developed, people's quality of life is constantly improving, and electronic products are everywhere in our daily life and work.
[0003] Electronic products are related products based on electric energy, mainly including: watches, smart phones, telephones, televisions, video disc players (VCD, SVCD, DVD), video recorders, radios, speakers, CD players (CD), computers, game consoles, mobile communication products, etc. Because the early products were mainly based on electron tubes, they were named electronic products. Shrapnel is provided in electronic products to contact with the battery to realize the conduction of the circuit.
[0004] At present, the general structure of the shrapnel is that there is an elastic arm on the base, one end of the elastic arm is suspended, and the elastic arm is used to contact the battery to realize the conduction of the circuit. Although this structure is simple and can basically realize the connection and conduction function of the shrapnel, the shrapnel has a single-contact-point structure, the contact of the shrapnel is not stable enough, and it is very easy to have poor contact, which affects the normal use of electronic products; secondly, during production and assembly, the suspended elastic arm is easily deformed by external forces, which brings inconvenience to production; and when the battery needs to be replaced, after the battery is taken out, the shrapnel will be deformed due to instantaneous upward jump, the service life of the product is short, and the quality of the product is average, which cannot meet the existing needs. Therefore, it is necessary to study a new technical solution to improve the current shrapnel. Content of the Utility Model
[0005] In view of this, in view of the deficiencies of the existing technology, the main purpose of the utility model is to provide a double-contact-point anti-deformation shrapnel, which can effectively solve the problems that the existing shrapnel has a single-contact-point structure, resulting in unstable contact of the shrapnel, easy occurrence of poor contact, affecting the normal use of electronic products, the suspended elastic arm is easily deformed by external forces during production and assembly, bringing inconvenience to production, when the battery needs to be replaced, after the battery is taken out, the shrapnel will be deformed due to instantaneous upward jump, the service life of the product is short, and the product quality is average.
[0006] To achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A double-contact anti-deformation elastic piece, comprising a base, a first elastic contact arm and a second elastic contact arm; a first guiding hole is arranged on the left side of the base, and a second guiding hole is arranged on the right side of the base; the first elastic contact arm and the second elastic contact arm extend outward on the base and are arranged side by side at intervals left and right. A first guiding part is arranged on the outer side of the first elastic contact arm, and the first guiding part is movably arranged in the first guiding hole. The first elastic contact arm is bent, and a first contact point is arranged on the first elastic contact arm; a second guiding part is arranged on the outer side of the second elastic contact arm, and the second guiding part is movably arranged in the second guiding hole. The second elastic contact arm is bent, and a second contact point is arranged on the second elastic contact arm.
[0008] As a preferred solution, the first contact point is of a convex structure, which is beneficial to increasing the contact area of the first contact point and improving the contact stability.
[0009] As a preferred solution, the second contact point is of a convex structure, which is beneficial to increasing the contact area of the second contact point and improving the contact stability.
[0010] As a preferred solution, the base comprises a base plate, a bending part, a first guiding plate and a second guiding plate. The bending part extends by bending at one end of the base plate. The first guiding plate and the second guiding plate are arranged on the left and right sides of the base plate. The first guiding plate is provided with the above-mentioned first guiding hole, and the second guiding plate is provided with the above-mentioned second guiding hole. The first elastic contact arm and the second elastic contact arm extend outward by bending at the bending part.
[0011] As a preferred solution, a support arm is further provided, and the support arm is arranged at a position close to the base plate at the tail ends of the first elastic contact arm and the second elastic contact arm.
[0012] As a preferred solution, a support hook is arranged at the tail end of the support arm, which can prevent the support arm from scraping the base plate when the elastic piece is pressed down, improve the quality of the product and extend the service life of the product.
[0013] As a preferred solution, a protrusion is arranged at the other end of the base plate, and the protrusion is used for positioning in cooperation with external parts.
[0014] As a preferred solution, the first elastic contact arm comprises a first oblique arm body part, a first bending arm body part, a first longitudinal arm body part and a second oblique arm body part which are integrally formed and connected in sequence. The first oblique arm body part extends outward by bending on the base. The first contact point is arranged on the first bending arm body part; the second elastic contact arm comprises a third oblique arm body part, a second bending arm body part, a second longitudinal arm body part and a fourth oblique arm body part which are integrally formed and connected in sequence. The third oblique arm body part extends outward by bending on the base. The second contact point is arranged on the second bending arm body part.
[0015] The utility model has obvious advantages and beneficial effects compared with the prior art. Specifically, as can be seen from the above technical solutions:
[0016] By providing a first guiding hole on the left side of the base and a second guiding hole on the right side of the base, the first elastic contact arm and the second elastic contact arm extend outward from the base and are arranged side by side at intervals left and right. A first guiding portion is provided on the outer side of the first elastic contact arm, and the first guiding portion is movably arranged in the first guiding hole. The first elastic contact arm is bent, and a first contact point is provided on the first elastic contact arm. A second guiding portion is provided on the outer side of the second elastic contact arm, and the second guiding portion is movably arranged in the second guiding hole. The second elastic contact arm is bent, and a second contact point is provided on the second elastic contact arm. This kind of elastic piece has a structure with double contact points, effectively improving the contact stability of the elastic piece, not easily having poor contact, and ensuring the normal use of electronic products. Secondly, through the cooperation of the first guiding portion and the first guiding hole, and the cooperation of the second guiding portion and the second guiding hole, during production and assembly, even if the elastic arm is affected by an external force, it is not easily deformed, bringing convenience to production. And, when the battery needs to be replaced, after the battery is taken out, the elastic piece will not be deformed due to instant upward jumping, prolonging the service life of the product, improving the quality of the product, and meeting the existing needs.
[0017] To more clearly illustrate the structural features and functions of the utility model, the following will combine the drawings with specific embodiments to elaborate on the utility model in detail. Brief Description of the Drawings
[0018] Figure 1 is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;
[0019] Figure 2 is a three-dimensional structural schematic diagram of another angle of a preferred embodiment of the utility model;
[0020] Figure 3 is a three-dimensional structural schematic diagram of yet another angle of a preferred embodiment of the utility model;
[0021] Figure 4 is a side view of a preferred embodiment of the utility model;
[0022] Figure 5 is a cross-sectional view of a preferred embodiment of the utility model.
[0023] Description of the Reference Numerals in the Drawings:
[0024] 10. Base 11. Substrate
[0025] 111. Protrusion 12. Bending Portion
[0026] 13. First guiding plate 14. Second guiding plate
[0027] 101. First guiding hole 102. Second guiding hole
[0028] 20. First elastic contact arm 21. First guiding part
[0029] 22. First oblique arm body part 23. First bent arm body part
[0030] 24. First longitudinal arm body part 25. Second oblique arm body part
[0031] 201. First contact point 30. Second elastic contact arm
[0032] 31. Second guiding part 32. Third oblique arm body part
[0033] 33. Second bent arm body part 34. Second longitudinal arm body part
[0034] 35. Fourth oblique arm body part 301. Second contact point
[0035] 40. Support arm 41. Support hook. Detailed implementation manner
[0036] Please refer to Figures 1 to 5 as shown, which shows the specific structure of the preferred embodiment of the present utility model, including a base 10, a first elastic contact arm 20 and a second elastic contact arm 30.
[0037] A first guiding hole 101 is provided on the left side of the base 10, and a second guiding hole 102 is provided on the right side of the base 10; in this embodiment, the base 10 includes a substrate 11, a bending part 12, a first guiding plate 13 and a second guiding plate 14. The bending part 12 extends by bending at one end of the substrate 11. The first guiding plate 13 and the second guiding plate 14 are provided on the left and right sides of the substrate 11. The first guiding plate 13 is provided with the above-mentioned first guiding hole 101, and the second guiding plate 14 is provided with the above-mentioned second guiding hole 102. A protrusion 111 is provided at the other end of the substrate 11, and the protrusion 111 is used for positioning in cooperation with external parts.
[0038] The first elastic contact arm 20 and the second elastic contact arm 30 extend outward on the base 10 and are arranged side by side at intervals left and right. A first guiding portion 21 is provided on the outer side surface of the first elastic contact arm 20. The first guiding portion 21 is movably arranged in the first guiding hole 101. The first elastic contact arm 20 is bent. A first contact point 201 is provided on the first elastic contact arm 20. In this embodiment, the first contact point 201 is a convex structure, which is beneficial to increasing the contact area of the first contact point 201 and improving the contact stability. The first elastic contact arm 20 extends outward and bends at the bending portion 12. The first elastic contact arm 20 includes a first inclined arm body portion 22, a first bent arm body portion 23, a first longitudinal arm body portion 24 and a second inclined arm body portion 25 which are integrally formed and connected in sequence. The first inclined arm body portion 22 extends outward and bends on the base 10. The first contact point 201 is provided on the first bent arm body portion 23.
[0039] A second guiding portion 31 is provided on the outer side surface of the second elastic contact arm 30. The second guiding portion 31 is movably arranged in the second guiding hole 102. The second elastic contact arm 30 is bent. A second contact point 301 is provided on the second elastic contact arm 30. In this embodiment, the second contact point 301 is a convex structure, which is beneficial to increasing the contact area of the second contact point 301 and improving the contact stability. The second elastic contact arm 30 extends outward and bends at the bending portion 12. The second elastic contact arm 30 includes a third inclined arm body portion 32, a second bent arm body portion 33, a second longitudinal arm body portion 34 and a fourth inclined arm body portion 35 which are integrally formed and connected in sequence. The third inclined arm body portion 32 extends outward and bends on the base 10. The second contact point 301 is provided on the second bent arm body portion 33.
[0040] A support arm 40 is further provided. The support arm 40 is arranged at a position near the substrate 11 at the tail ends of the first elastic contact arm 20 and the second elastic contact arm 30. A support hook 41 is provided at the tail end of the support arm 40, which can prevent the support arm 40 from scratching the substrate 11 when the elastic piece is pressed down, improve the quality of the product and extend the service life of the product.
[0041] The working principle of this embodiment is described in detail as follows:
[0042] This double-contact-point anti-deformation elastic piece is applied to a battery box, and the circuit is conducted by contacting the elastic piece with the electrode of the battery.
[0043] In use, during the installation of the battery, the electrode ends of the battery will press down the first elastic contact arm 20 and the second elastic contact arm 30. The first guiding portion 21 of the first elastic contact arm 20 moves downward in the first guiding hole 101, and the second guiding portion 31 of the second elastic contact arm 30 moves downward in the second guiding hole 102. The supporting hook 41 of the supporting arm 40 abuts against the upper surface of the substrate 11 and can slide on the upper surface of the substrate 11. The double-contact setting of the first contact point 201 of the first elastic contact arm 20 and the second contact point 301 of the second elastic contact arm 30 can effectively improve the contact stability and make the connection more reliable. After the battery is removed, due to the action of the elastic force, the first elastic contact arm 20 and the second elastic contact arm 30 can move upward smoothly. The first guiding portion 21 of the first elastic contact arm 20 moves upward in the first guiding hole 101, and the second guiding portion 31 of the second elastic contact arm 30 moves upward in the second guiding hole 102, so that the first elastic contact arm 20, the second elastic contact arm 30 and the supporting arm 40 return to their original positions, and the elastic piece will not be deformed due to instantaneous jumping, improving the product quality and extending the service life of the product.
[0044] The design focus of the present utility model lies in:
[0045] By providing a first guiding hole on the left side of the base and a second guiding hole on the right side of the base, the first elastic contact arm and the second elastic contact arm extend outward on the base and are arranged side by side at intervals left and right. A first guiding portion is provided on the outer side of the first elastic contact arm, and the first guiding portion is movably arranged in the first guiding hole. The first elastic contact arm is bent, and a first contact point is provided on the first elastic contact arm. A second guiding portion is provided on the outer side of the second elastic contact arm, and the second guiding portion is movably arranged in the second guiding hole. The second elastic contact arm is bent, and a second contact point is provided on the second elastic contact arm. This elastic piece has a double-contact-point structure, effectively improving the contact stability of the elastic piece and not easily causing poor contact, ensuring the normal use of electronic products. Secondly, through the cooperation of the first guiding portion and the first guiding hole, and the cooperation of the second guiding portion and the second guiding hole, during production and assembly, even if the elastic arm is affected by an external force, it is not easily deformed, bringing convenience to production. Moreover, when the battery needs to be replaced, after the battery is removed, the elastic piece will not be deformed due to instantaneous jumping, extending the service life of the product and improving the product quality, meeting the existing requirements.
[0046] The above is only a preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims
1. A double-contact point anti-deformation spring, characterized in that: The invention comprises a base, a first elastic contact arm and a second elastic contact arm; a first guide hole is arranged on the left side of the base, and a second guide hole is arranged on the right side of the base; the first elastic contact arm and the second elastic contact arm extend outward from the base and are arranged side by side at intervals on the left and right sides; a first guide portion is arranged on the outer side surface of the first elastic contact arm, the first guide portion can be movably arranged in the first guide hole, the first elastic contact arm is bent, and a first contact point is arranged on the first elastic contact arm; a second guide portion is arranged on the outer side surface of the second elastic contact arm, the second guide portion can be movably arranged in the second guide hole, the second elastic contact arm is bent, and a second contact point is arranged on the second elastic contact arm.
2. The double-contact point anti-deformation spring sheet according to claim 1, characterized in that: The first contact point is a convex hull structure.
3. The double-contact point anti-deformation spring sheet according to claim 1, characterized in that: The second contact point is a convex hull structure.
4. The double-contact point anti-deformation spring sheet according to claim 1, characterized in that: The base includes a substrate, a bending portion, a first guide plate and a second guide plate. The bending portion is bent and extended at one end of the substrate. The first guide plate and the second guide plate are arranged on the left and right sides of the substrate. The first guide plate is provided with the above-mentioned first guide hole, and the second guide plate is provided with the above-mentioned second guide hole. The first elastic contact arm and the second elastic contact arm are bent and extended outward at the bending portion.
5. The double-contact point anti-deformation spring sheet according to claim 4, characterized in that: A support arm is further provided, and the support arm is arranged at a position where the tail ends of the first elastic contact arm and the second elastic contact arm are close to the substrate.
6. The double-contact point anti-deformation spring sheet according to claim 5, characterized in that: A supporting hook is arranged at the tail end of the supporting arm.
7. The double-contact point anti-deformation spring sheet according to claim 4, characterized in that: The other end of the substrate is provided with a protrusion.
8. The double-contact point anti-deformation spring sheet according to claim 1, characterized in that: The first elastic contact arm includes a first oblique arm body, a first bent arm body, a first longitudinal arm body and a second oblique arm body which are integrally connected in sequence, the first oblique arm body is bent outwardly and extends on the base, and the first bent arm body is provided with the above-mentioned first contact point; the second elastic contact arm includes a third oblique arm body, a second bent arm body, a second longitudinal arm body and a fourth oblique arm body which are integrally connected in sequence, the third oblique arm body is bent outwardly and extends on the base, and the above-mentioned second contact point is provided on the second bent arm body.