Elastic sheet for button cell
By designing a button battery shrapnel with an L-shaped bend and specific holes, the existing shrapnel contact area and poor installation stability are solved, and more stable battery contact and higher usage effects are achieved.
Patent Information
- Application Number
- CN202421883771.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The contact area of the existing button battery shrapnel is small, resulting in unstable contact, and a simple structure leads to poor installation stability of the battery in the equipment, which is prone to shaking or falling off.
A shrapnel for button batteries is designed. The contact area between the shrapnel and the battery is increased through two L-shaped bends and one L-shaped bend. Through the arrangement of through holes, round holes, bumps and grooves, the stable installation of the shrapnel and the alignment of the battery electrodes are ensured.
The contact stability and uniformity between the shrapnel and the battery are improved, the power loss caused by poor contact is reduced, and the stability of the shrapnel in the equipment is enhanced, and the displacement caused by vibration or impact is prevented.
Smart Images

Figure CN222980541U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of batteries, and particularly relates to a shrapnel for a button battery. Background Art
[0002] A button battery, also known as a button cell or coin cell, refers to a battery with an outer dimension like a small button. Generally, it has a relatively large diameter and a relatively thin thickness. Due to its small size, light weight, high voltage and other characteristics, it is widely used in various microelectronic products. In addition, the button battery is also used in electrochemical research because of its short production time and less material consumption. The shrapnel for a button battery is a small elastic piece made of metal, and its main function is to support the internal structure of the battery, prevent the components from being crushed, and ensure the stable connection of the battery in the device.
[0003] At present, the traditional shrapnel for a button battery usually adopts a simple planar structure, and the battery is fixed in the device by spring force. However, in actual use, the contact area between the planar shrapnel and the battery is small, which easily leads to unstable contact. Secondly, due to the simple structure of the shrapnel, the installation stability of the battery in the device is poor, and it is easy to shake or fall off, affecting the use effect of the device. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a shrapnel for a button battery, which improves the contact area between the shrapnel and the battery, ensures the stability and uniformity of contact, and at the same time is beneficial to stabilizing the position of the shrapnel, preventing displacement caused by vibration or impact, and improving the use effect of the shrapnel.
[0005] The utility model also provides a shrapnel for a button battery, including: a shrapnel body, two first bending parts and a second bending part. The two first bending parts are arranged at the left and right ends of the shrapnel body, the second bending part is arranged at the front end of the shrapnel body, and through holes are arranged at the upper ends of the two first bending parts and the second bending part.
[0006] According to the shrapnel for a button battery, the shapes of the two first bending parts and the second bending part are both L-shaped, and the two first bending parts and the second bending part are made of the same material as the shrapnel body.
[0007] According to the shrapnel for a button battery, four round holes are arranged at the upper end of the shrapnel body, and the four mutually symmetrical round holes are symmetrically arranged.
[0008] According to the shrapnel for a button battery, the aperture sizes of the through holes are the same.
[0009] According to the shrapnel for a button battery, a convex block is arranged at the upper end of the shrapnel body, a groove is arranged at the lower end of the shrapnel body, and the convex block and the groove are symmetrically arranged up and down.
[0010] According to the shrapnel for button battery described above, the bending angles of the two bending parts 1 and the bending part 2 are the same, and the upper ends of the two bending parts 1 and the bending part 2 are on the same horizontal plane.
[0011] According to the shrapnel for button battery described above, the outer side walls of the shrapnel body, the two bending parts 1 and the bending part 2 are all arc-shaped.
[0012] According to the shrapnel for button battery described above, baffles are provided at the front ends of the two bending parts 1 and are located at the upper end of the shrapnel body, and the two baffles are symmetrically arranged.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, through the two bending parts 1 and the bending part 2, the contact area between the shrapnel body and the battery is increased, the stability and uniformity of the contact between the shrapnel body and the battery are improved, and the power loss caused by poor contact is reduced.
[0015] 2. In the utility model, by providing the through hole, the round hole, the convex block and the groove, it is convenient to install the shrapnel body, ensure the stability of the shrapnel body, and at the same time facilitate the alignment of the battery and ensure the current flow effect.
[0016] The additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the utility model. Description of the Drawings
[0017] The following further describes the utility model with reference to the drawings and embodiments;
[0018] Figure 1 It is a perspective view from the upper angle of the shrapnel for button battery of the utility model;
[0019] Figure 2 It is a perspective view from the lower angle of the shrapnel for button battery of the utility model;
[0020] Figure 3 It is a structural view from the top view of the shrapnel for button battery of the utility model;
[0021] Figure 4 It is a structural view from the side view of the shrapnel for button battery of the utility model.
[0022] Legend Explanation:
[0023] 1. Shrapnel body; 2. Bending part 1; 3. Bending part 2; 4. Through hole; 101. Round hole; 102. Convex block; 103. Groove; 201. Baffle. Detailed Embodiment
[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.
[0025] Referring to Figures 1-4 , an elastic piece for a button battery in an embodiment of the present utility model includes: an elastic piece body 1, two first bending parts 2, and a second bending part 3. It is characterized in that two first bending parts 2 are provided at the left and right ends of the elastic piece body 1, and a second bending part 3 is provided at the front end of the elastic piece body 1. The shapes of the two first bending parts 2 and the second bending part 3 are both L-shaped, and the two first bending parts 2 and the second bending part 3 are made of the same material as the elastic piece body 1. The bending angles of the two first bending parts 2 and the second bending part 3 are the same, and the upper ends of the two first bending parts 2 and the second bending part 3 are on the same horizontal plane. The outer side walls of the elastic piece body 1, the two first bending parts 2, and the second bending part 3 are all arc-shaped. At the front ends of the two first bending parts 2 and located at the upper end of the elastic piece body 1, retaining pieces 201 are provided, and the two retaining pieces 201 are symmetrically arranged. Through holes 4 are provided at the upper ends of the two first bending parts 2 and the second bending part 3, and the aperture sizes of the through holes 4 are the same. Through the above structure, the contact area between the elastic piece and the battery is increased, ensuring the stability and uniformity of contact, and at the same time facilitating the stable position of the elastic piece, preventing displacement caused by vibration or impact, and improving the use effect of the elastic piece.
[0026] Working principle: When in use, the two first bending parts 2 and the second bending part 3 on the elastic piece body 1 increase the contact area between the elastic piece body 1 and the battery, ensuring the stability and uniformity of the contact between the elastic piece body 1 and the battery, and ensuring the smooth transmission of current. Secondly, the through holes 4 on the elastic piece body 1 facilitate the fixation of the position of the elastic piece body 1, preventing displacement caused by vibration or impact, and ensuring the use effect of the elastic piece body 1. In addition, the convex blocks 102 and grooves 103 on the elastic piece body 1 are beneficial to the alignment of the battery electrodes, improving the current flow effect of the battery, reducing energy loss, and helping to improve the overall efficiency of the battery.
[0027] The above has described in detail the embodiments of the present utility model in conjunction with the drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art to which it pertains, various changes can be made without departing from the gist of the present utility model.
Claims
1. A shrapnel for a button battery, comprising: A spring sheet body (1), two bending parts one (2) and a bending part two (3), characterized in that two bending parts one (2) are provided at the left and right ends of the spring sheet body (1), a bending part two (3) is provided at the front end of the spring sheet body (1), and the upper ends of the two bending parts one (2) and the bending part two (3) are both provided with through holes (4).
2. A shrapnel for a button battery according to claim 1, characterized in that: The shapes of the two bending parts one (2) and the bending part two (3) are both L-shaped, and the two bending parts one (2) and the bending part two (3) are made of the same material as the spring sheet body (1).
3. The spring for a button battery according to claim 1, characterized in that: Four circular holes (101) are arranged at the upper end of the spring body (1), and the four circular holes (101) are symmetrically arranged.
4. The spring for a button battery according to claim 1, characterized in that: The through holes (4) have the same aperture size.
5. The spring for a button battery according to claim 1, characterized in that: The upper end of the spring sheet body (1) is provided with a protrusion (102), and the lower end of the spring sheet body (1) is provided with a groove (103), and the protrusion (102) and the groove (103) are symmetrical to each other in the upper and lower parts.
6. The spring for a button battery according to claim 1, characterized in that: The bending angles of the two bending parts one (2) and the bending part two (3) are the same, and the upper ends of the two bending parts one (2) and the bending part two (3) are in the same horizontal plane.
7. The spring for a button battery according to claim 1, characterized in that: The outer side walls of the spring body (1), the two bending parts one (2) and the bending part two (3) are all arc-shaped.
8. The spring for a button battery according to claim 1, characterized in that: Blocking pieces (201) are provided at the front ends of the two bending parts (2) and at the upper ends of the spring body (1), and the two blocking pieces (201) are symmetrically arranged.