A seismic-resistant capacitor
By wrapping elastic lines on the capacitor shell and sieve shock absorbing shell, combined with the spring clamping structure, the problem of poor shock resistance of traditional shock-resistant capacitors is solved, significantly enhancing the shock resistance of the capacitor and preventing damage caused by vibration.
Patent Information
- Application Number
- CN202420691298.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-07
AI Technical Summary
The traditional shock-resistant capacitor structure has poor seismic resistance, which leads to squeeze and collision during the capacitor vibration, causing capacitor damage.
设计一种抗震型电容器,通过在电容器外壳外壁包裹多根弹性线,并在电容器外壳的底部套设减震外壳,接线柱穿过减震外壳,第一套环螺纹连接在减震外壳的外部,形成网罩结构以增强弹性,并通过弹簧夹持在电容器外壳和减震外壳之间,提供缓震保护。
By setting up elastic lines and shock-absorbing shells, the capacitor's shell and wiring posts are effectively protected, enhancing the shock resistance of the capacitor, and avoiding crushing and collision damage caused by vibration.
Smart Images

Figure CN222749342U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of capacitors, in particular to a seismic-resistant capacitor. Background Art
[0002] Capacitors, usually referred to as capacitance for its ability to hold charge, are represented by the letter C. They are devices that hold charge. Capacitors are one of the electronic components used in large quantities in electronic equipment. They are widely used in circuits for DC isolation, AC transmission, coupling, bypass, filtering, tuning circuits, energy conversion and control. Any two conductors that are insulated from each other and very close to each other constitute a capacitor. However, the traditional anti-seismic capacitor structure has poor anti-seismic performance. During the vibration of the capacitor, it is squeezed and collided, resulting in damage to the capacitor. Utility Model Content
[0003] The utility model aims to solve the shortcomings in the prior art and proposes a seismic-resistant capacitor.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A seismic-resistant capacitor is designed, comprising a capacitor shell, a terminal is welded at the bottom of the capacitor shell, a plurality of elastic wires are wrapped around the outer wall of the capacitor shell, a shock-absorbing shell is sleeved at the bottom of the capacitor shell, the terminal passes through the shock-absorbing shell, a first ring is connected to the bottom of the elastic wire, and the first ring is threadedly connected to the outside of the shock-absorbing shell.
[0006] Preferably, a top cover is provided on the top of the capacitor housing, and a plurality of elastic wires are overlapped in the slots on the edge of the outer wall of the capacitor housing.
[0007] Preferably, a slot is provided on the outer wall of the capacitor housing, and a plurality of protrusions are provided at the top opening of the shock-absorbing housing, and the protrusions are inserted into the slot.
[0008] Preferably, a pad is integrally formed at the bottom of the shock-absorbing housing, a sleeve is integrally formed at the bottom of the pad, a flexible sleeve is integrally formed at the bottom of the sleeve, and the terminal passes through the flexible sleeve.
[0009] Preferably, an arc-shaped spring piece is connected to the outer wall of the sleeve.
[0010] Preferably, a spring is sleeved on the outer wall of the sleeve, and the spring is clamped between the capacitor housing and the shock-absorbing housing.
[0011] Preferably, a second ring is connected to the bottom of the spring, the second ring is sleeved on the outer wall of the sleeve, and an axial limiting rod is provided on the outer wall of the sleeve.
[0012] The utility model provides a seismic-resistant capacitor, which has the beneficial effects of: by arranging elastic wires, the elastic wires cover the outside of the capacitor shell, and the first ring is screwed on the shock-absorbing shell, so that the mesh cover composed of the elastic wires has good elasticity, and the shock-absorbing shell is sleeved on the bottom of the capacitor shell to provide shock-absorbing protection for the terminal. Compared with the existing capacitors, the shell and the terminal of the capacitor are effectively protected, and the seismic-resistant performance of the capacitor is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is an isometric view of a seismic-resistant capacitor proposed by the utility model;
[0014] Figure 2 This is a structural schematic diagram of a seismic-resistant capacitor proposed by the utility model;
[0015] Figure 3 This is an exploded diagram of a seismic-resistant capacitor proposed by the utility model;
[0016] Figure 4 This is an enlarged view of the A-section structure of a seismic-resistant capacitor proposed by the utility model.
[0017] In the figure: 1 capacitor housing, 2 shock-absorbing housing, 3 terminal, 4 protrusion, 5 pad, 6 first ring, 7 elastic line, 8 top cover, 9 slot, 10 spring, 11 spring, 12 sleeve, 13 second ring, 14 limit rod, 15 flexible sleeve. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] Reference Figure 1-4 A seismic-resistant capacitor comprises a capacitor housing 1, a terminal 3 is welded at the bottom of the capacitor housing 1, a plurality of elastic wires 7 are wrapped around the outer wall of the capacitor housing 1, a shock-absorbing housing 2 is sleeved at the bottom of the capacitor housing 1, the terminal 3 passes through the shock-absorbing housing 2, a first ring 6 is connected to the bottom of the elastic wire 7, and the first ring 6 is threadedly connected to the outside of the shock-absorbing housing 2.
[0020] A top cover 8 is provided on the top of the capacitor housing 1, multiple elastic wires 7 are overlapped in the slots on the edge of the outer wall of the capacitor housing 1, a slot 9 is opened on the outer wall of the capacitor housing 1, and multiple protrusions 4 are provided at the top opening of the shock-absorbing housing 2, and the protrusions 4 are inserted into the slots 9.
[0021] The bottom of the shock-absorbing housing 2 is integrally formed with a pad 5 , the bottom of the pad 5 is provided with a sleeve 12 , the bottom of the sleeve 12 is integrally formed with a flexible sleeve 15 , the terminal 3 passes through the flexible sleeve 15 , and the outer wall of the sleeve 12 is connected with an arc-shaped spring piece 10 .
[0022] The outer wall of the sleeve 12 is sleeved with a spring 11, and the spring 11 is clamped between the capacitor housing 1 and the shock-absorbing housing 2. The bottom of the spring 11 is connected to a second ring 13, and the second ring 13 is sleeved on the outer wall of the sleeve 12. The outer wall of the sleeve 12 is provided with an axial limiting rod 14. The first ring 6 is screwed on the shock-absorbing housing 1, so that the mesh cover composed of the elastic wire 7 has good elasticity. At the same time, the shock-absorbing housing 2 is sleeved on the bottom of the capacitor housing 1 to provide shock-absorbing protection for the terminal 3. Compared with the existing capacitor, the capacitor housing and the terminal 3 are effectively protected, and the anti-seismic performance of the capacitor is enhanced.
[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A seismic-resistant capacitor, comprising a capacitor housing (1), a terminal (3) being welded to the bottom of the capacitor housing (1), characterized in that: The outer wall of the capacitor housing (1) is wrapped with a plurality of elastic wires (7); a shock-absorbing housing (2) is sleeved on the bottom of the capacitor housing (1); the terminal (3) passes through the shock-absorbing housing (2); the bottom of the elastic wire (7) is connected to a first ring (6); and the first ring (6) is threadedly connected to the outside of the shock-absorbing housing (2).
2. The anti-vibration capacitor according to claim 1, characterized in that: A top cover (8) is provided on the top of the capacitor housing (1), and a plurality of elastic wires (7) are overlapped in the slots on the edge of the outer wall of the capacitor housing (1).
3. The anti-vibration capacitor according to claim 1, characterized in that: The outer wall of the capacitor housing (1) is provided with a slot (9), and the top opening of the shock-absorbing housing (2) is provided with a plurality of protrusions (4), and the protrusions (4) are inserted into the slot (9).
4. The anti-vibration capacitor according to claim 1, characterized in that: The bottom of the shock-absorbing housing (2) is integrally formed with a pad (5), the bottom of the pad (5) is provided with a sleeve (12), the bottom of the sleeve (12) is integrally formed with a flexible sleeve (15), and the terminal (3) passes through the flexible sleeve (15).
5. The anti-vibration capacitor according to claim 4, characterized in that: The outer wall of the sleeve (12) is connected with an arc-shaped spring piece (10).
6. The anti-vibration capacitor according to claim 5, characterized in that: The outer wall of the sleeve (12) is sleeved with a spring (11), and the spring (11) is clamped between the capacitor housing (1) and the shock-absorbing housing (2).
7. The anti-vibration capacitor according to claim 6, characterized in that: The bottom of the spring (11) is connected to a second sleeve ring (13), the second sleeve ring (13) is sleeved on the outer wall of the sleeve (12), and the outer wall of the sleeve (12) is provided with an axial limiting rod (14).