Self-protection capacitor

Abstract

The utility model discloses a self-protection capacitor, which belongs to the technical field of capacitors and comprises a capacitor body, a protection mechanism is arranged on the outer surface of the capacitor body, a rebound mechanism is arranged on one side of the protection mechanism, a sealing mechanism is arranged at one end of the capacitor body, and a cover body is arranged on one side of the protection mechanism. According to the self-protection type capacitor, the protection sleeve is sleeved outside the wiring end to protect the wiring end so as to reduce the contact area between the wiring end and air, when wiring is needed, the protection sleeve is pushed to expose the wiring end, then wiring is carried out, and after wiring is completed, the protection sleeve is driven by the reset mechanism to reset, so that the self-protection type capacitor is protected. Therefore, the effect of preventing the wiring terminal from being in contact with the air during use is achieved, and the problem that the service life is affected due to the fact that the wiring terminal is exposed outside for a long time and is prone to being oxidized and corroded is solved.

Description

Technical Field

[0001] This utility model relates to the technical field of capacitors, and in particular to a self-protected capacitor. Background Technology

[0002] A capacitor is an electronic component used to store electric charge. It stores charge by creating an electric field between two conductors. Depending on the application, capacitors are classified into fixed capacitors, variable capacitors, electrolytic capacitors, and supercapacitors. Capacitors have a wide range of applications and can be used in various electronic devices such as oscillators, hysteresis circuits, filters, and couplers.

[0003] Existing capacitors generally consist of electrodes for storing charge, a dielectric material between the electrodes, a housing for protecting the internal components, and terminals for connecting the capacitor to other circuit components. The terminals typically extend through the housing and outwards for connection to other circuits. However, these terminals are exposed to the outside for extended periods, making them susceptible to oxidation and corrosion, which affects their lifespan. To address this technical problem, this invention proposes a self-protected capacitor. Utility Model Content

[0004] The main objective of this invention is to provide a self-protected capacitor that can effectively solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A self-protected capacitor includes a capacitor body, a protective mechanism on the outer surface of the capacitor body, a spring-back mechanism on one side of the protective mechanism, a sealing mechanism at one end of the capacitor body, a cover on one side of the protective mechanism, a terminal block on one side of the capacitor body, the outer surface of the terminal block penetrating the cover and extending to the outside, a protective sleeve slidably connected to the outer surface of the terminal block, the outer surface of the protective sleeve slidably connected to the cover, a reset mechanism on one side of the protective sleeve, and a sealing gasket installed inside the cover.

[0007] Preferably, the protective mechanism includes a housing, an inner wall of which is fitted with a support plate, the outer surface of which is slidably connected to the capacitor body, and one side of the housing is detachably connected to a cover.

[0008] Preferably, the outer surface of the housing is equipped with multiple heat dissipation plates, and the inner wall of the housing is provided with multiple ventilation holes.

[0009] Preferably, the rebound mechanism includes a fixed sleeve, one side of which is mounted on the outer casing, and a first spring is fixedly connected to the inner wall of the fixed sleeve. The first spring is positioned so that one end of the fixed sleeve contacts the capacitor body.

[0010] Preferably, the sealing mechanism includes a fixing plate, the inner side of which is fixedly connected to the outer shell, and a sealing block is slidably connected to the inner wall of the fixing plate, the sealing block penetrating the outer shell and extending into the interior.

[0011] Preferably, a threaded rod is rotatably connected to one side of the sealing block, the outer surface of the threaded rod is threadedly connected to the fixing plate, a groove is provided at one end of the capacitor body, and the outer surface of the sealing block is slidably connected to the groove.

[0012] Preferably, the reset mechanism includes a second spring, which is sleeved on the outside of the terminal. One end of the second spring is in contact with the capacitor body, and the other end of the second spring is fixedly connected to a fixing block. The inner wall of the fixing block is slidably connected to the terminal, and one side of the fixing block is slidably connected to the protective sleeve. A limit rod is installed on the outer surface of the protective sleeve, and a limit block is installed on the outer surface of the cover.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, by setting up a protective sleeve and a reset mechanism, the protective sleeve is placed over the outside of the terminal to protect it and reduce the contact area between the terminal and the air. When wiring is required, the protective sleeve is pushed to expose the terminal, and then wiring is performed. After wiring is completed, the reset mechanism drives the protective sleeve to reset, thereby covering the terminal again. This achieves the effect of preventing the terminal from contacting the air during use, thus solving the problem that the terminal is easily oxidized and corroded due to long-term exposure, which affects its service life.

[0015] In this invention, by setting up a sealing mechanism and sealing gaskets, the threaded rod is turned to drive the sealing block into the interior of the groove to increase the sealing performance and prevent air from entering the terminal on one side of the sealing block. On the other side, the sealing gasket seals the cover and the outer shell, thereby protecting the terminal located inside the outer shell and preventing it from contacting the outside air. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a self-protecting capacitor according to the present invention;

[0017] Figure 2 This is a cross-sectional view of the outer casing of a self-protecting capacitor according to the present invention.

[0018] Figure 3 This is a cross-sectional view of the fixing sleeve in a self-protecting capacitor according to the present invention.

[0019] Figure 4 This is a cross-sectional view of the fixing plate in a self-protecting capacitor according to the present invention.

[0020] Figure 5 This is a three-dimensional structural diagram of the reset mechanism in a self-protected capacitor according to the present invention.

[0021] In the diagram: 1. Capacitor body; 2. Protective mechanism; 201. Outer shell; 202. Vent hole; 203. Support plate; 204. Heat sink; 3. Rebound mechanism; 301. Fixing sleeve; 302. First spring; 4. Sealing mechanism; 401. Fixing plate; 402. Sealing block; 403. Threaded rod; 404. Groove; 5. Cover; 6. Terminal; 7. Protective sleeve; 8. Reset mechanism; 801. Second spring; 802. Fixing block; 803. Limiting rod; 804. Limiting block; 9. Sealing gasket. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] like Figure 1-5 As shown, a self-protected capacitor includes a capacitor body 1, a protective mechanism 2 on the outer surface of the capacitor body 1, a cover 5 on one side of the protective mechanism 2, the protective mechanism 2 including a housing 201, a support plate 203 installed on the inner wall of the housing 201, the outer surface of the support plate 203 being slidably connected to the capacitor body 1, one side of the housing 201 being detachably connected to the cover 5, the cover 5 being fixed to the housing 201 by threads, and the cover 5 being detachable from the housing 201 when needed, a plurality of heat dissipation plates 204 being installed on the outer surface of the housing 201, and a plurality of vent holes 202 being opened on the inner wall of the housing 201, the support plate 203 and the heat dissipation plates 204 being made of copper.

[0024] A spring-loaded mechanism 3 is provided on one side of the protective mechanism 2. The spring-loaded mechanism 3 includes a fixed sleeve 301. One side of the fixed sleeve 301 is installed on the outer shell 201. A first spring 302 is fixedly connected to the inner wall of the fixed sleeve 301. The first spring 302 works by having one end of the fixed sleeve 301 in contact with the capacitor body 1 and popping the capacitor body 1 out for easy replacement.

[0025] A sealing mechanism 4 is provided at one end of the capacitor body 1. The sealing mechanism 4 includes a fixing plate 401. The inner side of the fixing plate 401 is fixedly connected to the outer shell 201. A sealing block 402 is slidably connected to the inner wall of the fixing plate 401. The sealing block 402 passes through the outer shell 201 and extends into the interior. A threaded rod 403 is rotatably connected to one side of the sealing block 402. The outer surface of the threaded rod 403 is threadedly connected to the fixing plate 401. A groove 404 is provided at one end of the capacitor body 1. The outer surface of the sealing block 402 is slidably connected to the groove 404. The sealing block 402 is made of rubber, which can increase the sealing effect.

[0026] A terminal 6 is installed on one side of the capacitor body 1. The outer surface of the terminal 6 penetrates the cover 5 and extends to the outside. A protective sleeve 7 is slidably connected to the outer surface of the terminal 6. The outer surface of the protective sleeve 7 is slidably connected to the cover 5. A reset mechanism 8 is provided on one side of the protective sleeve 7. The material of the protective sleeve 7 is rubber. The reset mechanism 8 includes a second spring 801. The second spring 801 is sleeved on the outside of the terminal 6. One end of the second spring 801 is in contact with the capacitor body 1. The other end of the second spring 801 is fixedly connected to a fixing block 802. The inner wall of the fixing block 802 is slidably connected to the terminal 6. One side of the fixing block 802 is slidably connected to the protective sleeve 7. A limit rod 803 is installed on the outer surface of the protective sleeve 7. A limit block 804 is installed on the outer surface of the cover 5. The second spring 801 can drive the protective sleeve 7 to move to the outside of the cover 5. A sealing gasket 9 is installed inside the cover 5. The sealing gasket 9 is used to increase the sealing between the cover 5 and the outer shell 201.

[0027] It should be noted that when the device is not in use and is placed away or transported, the protective sleeve 7 is placed over the outside of the terminal 6 to protect the terminal 6 and reduce the contact area between the terminal 6 and the air. When wiring is required, the protective sleeve 7 is pushed to slide into the cover 5, which simultaneously causes the fixing block 802 to squeeze the second spring 801, thus exposing the terminal 6. The protective sleeve 7 is then rotated so that the limiting rod 803 is locked at the limiting block 804 to prevent the protective sleeve 7 from resetting under the action of the second spring 801. Wiring is then performed, achieving the effect of facilitating wiring. After wiring is completed, the protective sleeve 7 is rotated so that the limiting block 804 no longer restricts the limiting rod 803. Under the action of the second spring 801, the protective sleeve 7 resets, thus covering the terminal 6 again and preventing the terminal 6 from contacting the air.

[0028] During use, the outer casing 201 protects the internal capacitor body 1 from damage by external forces. At the same time, the vent 202 on the outer casing 201 increases airflow to enhance heat dissipation. Meanwhile, the heat on the capacitor body 1 is transferred to the capacitor body 1 through the support plate 203 and then to the air through the heat sink 204, further enhancing the heat dissipation effect.

[0029] When the capacitor body 1 is damaged and needs to be replaced, the threaded rod 403 is turned, and the threaded rod 403 drives the sealing block 402 to slide out of the capacitor body 1, removing the cover 5 from the outer shell 201. The cover 5, protective sleeve 7, fixing block 802 and second spring 801 are slid off the terminal 6. Under the action of the first spring 302, the capacitor body 1 is popped out for replacement. After the new capacitor body 1 is installed, the threaded rod 403 is turned, and the sealing block 402 is driven into the interior of the groove 404 to increase the sealing performance and prevent air from entering the terminal 6 from one side of the sealing block 402. On the other side, the sealing gasket 9 seals the cover 5 and the outer shell 201, thereby protecting the section of terminal 6 located inside the outer shell 201 and preventing it from contacting the outside air.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A self-protected capacitor, comprising a capacitor body (1), characterized in that: A protective mechanism (2) is provided on the outer surface of the capacitor body (1). A spring-back mechanism (3) is provided on one side of the protective mechanism (2). A sealing mechanism (4) is provided at one end of the capacitor body (1). A cover (5) is provided on one side of the protective mechanism (2). A terminal (6) is installed on one side of the capacitor body (1). The outer surface of the terminal (6) passes through the cover (5) and extends to the outside. A protective sleeve (7) is slidably connected to the outer surface of the terminal (6). The outer surface of the protective sleeve (7) is slidably connected to the cover (5). A reset mechanism (8) is provided on one side of the protective sleeve (7). A sealing gasket (9) is installed inside the cover (5).

2. The self-protected capacitor according to claim 1, characterized in that: The protective mechanism (2) includes a housing (201), a support plate (203) is installed on the inner wall of the housing (201), the outer surface of the support plate (203) is slidably connected to the capacitor body (1), and one side of the housing (201) is detachably connected to the cover (5).

3. The self-protected capacitor according to claim 2, characterized in that: The outer surface of the outer casing (201) is equipped with multiple heat sinks (204), and the inner wall of the outer casing (201) is provided with multiple vent holes (202).

4. The self-protected capacitor according to claim 3, characterized in that: The rebound mechanism (3) includes a fixed sleeve (301), one side of which is mounted on the outer shell (201). A first spring (302) is fixedly connected to the inner wall of the fixed sleeve (301), and the first spring (302) is in contact with one end of the fixed sleeve (301) and the capacitor body (1).

5. The self-protected capacitor according to claim 4, characterized in that: The sealing mechanism (4) includes a fixing plate (401), the inner side of which is fixedly connected to the outer shell (201), and a sealing block (402) is slidably connected to the inner wall of the fixing plate (401), the sealing block (402) penetrating the outer shell (201) and extending into the interior.

6. The self-protected capacitor according to claim 5, characterized in that: A threaded rod (403) is rotatably connected to one side of the sealing block (402). The outer surface of the threaded rod (403) is threadedly connected to the fixing plate (401). A groove (404) is provided at one end of the capacitor body (1). The outer surface of the sealing block (402) is slidably connected to the groove (404).

7. The self-protected capacitor according to claim 6, characterized in that: The reset mechanism (8) includes a second spring (801), which is sleeved on the outside of the terminal (6). One end of the second spring (801) is in contact with the capacitor body (1), and the other end of the second spring (801) is fixedly connected to a fixing block (802). The inner wall of the fixing block (802) is slidably connected to the terminal (6), and one side of the fixing block (802) is slidably connected to the protective sleeve (7). A limit rod (803) is installed on the outer surface of the protective sleeve (7), and a limit block (804) is installed on the outer surface of the cover (5).

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