Capacitor with buffer
By introducing components such as positioning buffer blocks, first buffer blocks, and second buffer blocks into the capacitor, the problem of cell swaying is solved, enhancing the stability and protection effect of the capacitor.
Patent Information
- Application Number
- CN202520239292.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-14
AI Technical Summary
In traditional capacitor designs, a gap exists between the cell and the aluminum casing, causing wobbling, affecting stability, and potentially leading to damage from external impacts.
The battery cell, aluminum shell and leads are buffered and protected by components such as positioning buffer blocks, first buffer blocks and second buffer blocks, and stability and elasticity are enhanced by flow guide holes and buffer rings.
It effectively reduces the damage to the battery cell and leads caused by external stress, and improves the overall stability and service life of the capacitor.
Smart Images

Figure CN223728605U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to capacitor technical field, specifically is a kind of with buffer capacitor. BACKGROUND
[0002] In the field of capacitor design and manufacture, it is crucial to ensure the stability and safety of the cell. In traditional capacitor design, the cell is usually placed directly inside the aluminum shell, but this design has some problems.
[0003] Because there is usually a gap between the cell and the aluminum shell, it causes the cell to easily shake inside the aluminum shell; The shaking of the cell not only affects the stability of its performance, but also can cause damage when subjected to external impact or bump, thereby affecting the overall performance and life of the capacitor. SUMMARY
[0004] To overcome the deficiencies of the prior art, the utility model provides a kind of with buffer capacitor, solve the problem raised in the above background technology.
[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of with buffer capacitor, including aluminum shell, the inside of the aluminum shell is placed with cell, the upper end of the cell is connected with lead, the upper end of the aluminum shell is placed with end cover, the inner wall of the aluminum shell is fixedly connected with positioning buffer block, the positioning buffer block is inclined downward and the end surface that contacts cell is arc, the fixedly connected with second buffer block at the connecting end of the cell and lead, the upper end of the second buffer block is arranged with the lower end of the inside of end cover.
[0006] Further, a plurality of flow guide holes are formed in the positioning buffer block, and the flow guide holes are vertically arranged.
[0007] Further, a first buffer block is arranged at the connection between the upper end of the end cover and the lead, and the first buffer block is embedded in the upper end of the end cover.
[0008] Further, a support ring is arranged at the upper end edge of the cell, and the upper end of the support ring is arranged against the lower end surface of the end cover.
[0009] Further, grooves are formed on both sides of the second buffer block, and the inclination angle of the grooves on both sides is set to degrees.
[0010] Further, a plurality of buffer rings are fixedly connected to the outside of the aluminum shell.
[0011] Further, the second buffer block, the support ring and the positioning buffer block inside the aluminum shell are preferably made of conductive rubber.
[0012] With respect to the above background art, the application provides a buffer capacitor, which comprises a capacitor that is very mature at present and positioning buffer blocks, first buffer blocks and second buffer blocks as core components.
[0013] The application provides a buffer capacitor.
[0014] The buffer capacitor has the following beneficial effects compared with the prior art: The buffer capacitor has the following beneficial effects compared with the prior art:
[0015] Figure 1 The buffer capacitor has the following beneficial effects compared with the prior art:
[0016] Figure 2 The buffer capacitor has the following beneficial effects compared with the prior art:
[0017] Figure 3 The buffer capacitor has the following beneficial effects compared with the prior art:
[0018] Figure 4 The buffer capacitor has the following beneficial effects compared with the prior art: Figure 2 The buffer capacitor has the following beneficial effects compared with the prior art:
[0019] In the figure: 1, aluminum shell; 2, battery core; 3, lead; 4, end cover; 5, positioning buffer block; 6, flow guide hole; 7, buffer ring; 8, first buffer block; 9, second buffer block; 10, groove; 11, support ring. Specific implementation
[0020] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the application.
[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of buffer capacitor, including aluminium shell 1, the inside of aluminium shell 1 is placed with electric core 2, the upper end of electric core 2 is connected with lead 3, the upper end of aluminium shell 1 is placed with end cover 4, the inner wall of aluminium shell 1 is fixedly connected with locating buffer block 5, locating buffer block 5 is inclined downward and the end surface that contacts with electric core 2 is arc, the connecting end at electric core 2 and lead 3 is fixedly connected with second buffer block 9, the upper end of second buffer block 9 is set with the inside lower end of end cover 4;Locating buffer block 5 is provided on the outside of electric core 2 in aluminium shell 1, and there is a gap between traditional electric core 2 in aluminium shell 1, which can cause electric core 2 to shake in aluminium shell 1, locating buffer block 5 stably supports electric core 2 in aluminium shell 1, locating buffer block 5 can reduce the stress transmission of outside, avoid the damage of outside knock to electric core 2, the arc end of locating buffer block 5 is attached with the outside wall of electric core 2, which avoids the influence of electric core 2 shaking on the stability of lead 3, and second buffer block 9 is connected at the connecting portion of electric core 2 and lead 3, second buffer block 9 is in abutment with end cover 4, when end cover 4 is impacted, avoid the stress of outside directly transmitting to electric core 2 and lead 3, avoid the falling or fracture of lead 3, effectively protect the stable connection of electric core 2 and lead 3, improve the use stability of overall capacitor.
[0022] As shown in Figure 3 Locating buffer block 5 is provided on the outside of electric core 2 in aluminium shell 1, and there is a gap between traditional electric core 2 in aluminium shell 1, which can cause electric core 2 to shake in aluminium shell 1, locating buffer block 5 stably supports electric core 2 in aluminium shell 1, locating buffer block 5 can reduce the stress transmission of outside, avoid the damage of outside knock to electric core 2, the arc end of locating buffer block 5 is attached with the outside wall of electric core 2, which avoids the influence of electric core 2 shaking on the stability of lead 3, and second buffer block 9 is connected at the connecting portion of electric core 2 and lead 3, second buffer block 9 is in abutment with end cover 4, when end cover 4 is impacted, avoid the stress of outside directly transmitting to electric core 2 and lead 3, avoid the falling or fracture of lead 3, effectively protect the stable connection of electric core 2 and lead 3, improve the use stability of overall capacitor.
[0023] As shown in Figure 2 The upper end of end cover 4 is provided with first buffer block 8 at the connecting portion of lead 3, first buffer block 8 is embedded in the upper end of end cover 4, first buffer block 8 is also elastically arranged, and first buffer block 8 can protect the connecting portion of lead 3 and the upper end of end cover 4, thereby protecting the stability of lead 3 from outside and avoiding excessive bending of lead 3 on the upper end of end cover 4.
[0024] As shown in Figure 4 The upper end of end cover 4 is provided with first buffer block 8 at the connecting portion of lead 3, first buffer block 8 is embedded in the upper end of end cover 4, first buffer block 8 is also elastically arranged, and first buffer block 8 can protect the connecting portion of lead 3 and the upper end of end cover 4, thereby protecting the stability of lead 3 from outside and avoiding excessive bending of lead 3 on the upper end of end cover 4.
[0025] As shown in Figure 4As shown, the second buffer block 9 is provided with a groove 10 on both sides, and the inclination angle of the groove 10 is 45 degrees; when the upper end of the end cover 4 is pressed by the contact type, the local part of the end cover 4 is pressed, and then the groove 10 can play a buffering space from the side, and then achieve the effect of support, and the 45-degree setting can play a better support and larger buffering space.
[0026] As shown in Figure 3 , the outer side of the aluminum shell 1 is fixedly connected with a buffer ring 7, and the number of the buffer ring 7 is multiple; for the impact on the outer side of the aluminum shell 1, the buffer ring 7 is used for protection, the buffer ring 7 is arranged on the outer side of the aluminum shell 1 with equal spacing, and the buffer ring 7 is elastically arranged to indirectly protect the outer side of the aluminum shell 1.
[0027] As shown in Figure 3 and Figure 4 , the second buffer block 9, the support ring 11 and the positioning buffer block 5 inside the aluminum shell 1 are preferably made of conductive rubber; the second buffer block 9, the support ring 11 and the positioning buffer block 5 inside the aluminum shell 1 are elastically arranged, and are preferably made of conductive rubber, so that the overall operation inside the capacitor is not affected.
Claims
1. A buffer capacitor having an aluminum case (1) in which an electric core (2) is placed, a lead wire (3) connected to an upper end of the electric core (2), and an end cap (4) placed at an upper end of the aluminum case (1), characterized in that, The inner wall of the aluminum shell (1) is fixedly connected with a positioning buffer block (5), the positioning buffer block (5) is arranged obliquely downward, and the end surface in contact with the battery cell (2) is arc-shaped, a second buffer block (9) is fixedly connected at the connecting end of the battery cell (2) and the lead wire (3), and the upper end of the second buffer block (9) is arranged in abutment with the inner lower end of the end cover (4).
2. A snubber capacitor as claimed in claim 1, wherein, A plurality of flow guide holes (6) are vertically arranged on the positioning buffer block (5).
3. A snubber capacitor as claimed in claim 2, wherein, A first buffer block (8) is arranged at the connecting position of the upper end of the end cover (4) and the lead wire (3), and the first buffer block (8) is embedded in the upper end of the end cover (4).
4. A snubber capacitor as claimed in claim 2, wherein, A support ring (11) is arranged at the upper end edge of the battery cell (2), and the upper end of the support ring (11) is arranged in abutment with the lower end surface of the end cover (4).
5. A snubber capacitor as claimed in claim 2, wherein, Grooves (10) are arranged on both sides of the second buffer block (9), and the inclination angles of both sides of the grooves (10) are 45 degrees.
6. A snubber capacitor as claimed in claim 2, wherein, A plurality of buffer rings (7) are fixedly connected to the outer side of the aluminum shell (1).