Improved device of variable ceramic vacuum capacitor

Abstract

The utility model discloses an improved device for a variable ceramic vacuum capacitor. The improved device comprises an aluminum shell for the variable ceramic vacuum capacitor, the core body is used for the variable ceramic vacuum capacitor, and the core body is arranged in the aluminum shell; the mounting end cover is matched with the aluminum shell; the mounting end cover is arranged at the top of the aluminum shell and corresponds to the position of the core body; and the two clamping fixing mechanisms are used for fixing the mounting end cover, are respectively arranged at the tops of the two sides of the aluminum shell and correspond to the mounting end cover in position. According to the utility model, when the variable ceramic vacuum capacitor needs to be disassembled, only the operation block needs to be pulled through the operation handle, so that the sliding clamping rod can be driven to move and is separated from the corresponding clamping groove, and therefore, the installation end cover can be conveniently taken down, and the core body can be conveniently disassembled; therefore, the variable ceramic vacuum capacitor can be maintained conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum capacitors, in particular to an improved device for variable ceramic vacuum capacitors. Background Art

[0002] Vacuum capacitors are capacitors that use vacuum as a medium. The electrode group of this capacitor is a group of concentric cylindrical electrodes formed by stretching high-conductivity oxygen-free copper strips through a set of high-precision molds and sealed in a vacuum container. Therefore, its performance is stable and reliable, and it is not easy to produce arcing, corona and other phenomena.

[0003] For example, a Chinese patent with publication (announcement) number CN110010352A discloses a micro-conductive and heat-dissipating quick-detachable aluminum electrolytic capacitor, whose structure includes a cover plate, screws, connecting leads, a disassembly hoop buckle seat, an aluminum shell, a core package, and a rubber sealing plug. The characteristics are: the cover plate is located above the aluminum shell, and a screw is provided on the top of the cover plate, the screw is connected to the connecting lead inside the aluminum shell through the cover plate, the disassembly hoop buckle seat is located on the outer wall of the aluminum shell, the core package is arranged in the center of the aluminum shell, and is fitted and connected with the rubber sealing plug.

[0004] Although the above technical solution solves the corresponding technical problem, the above technical solution still has the following defects:

[0005] The above technical solution uses screws to tighten and fix the cover plate, and the screws need to be frequently turned during disassembly and assembly, which makes the operation more complicated, thereby reducing the convenience of disassembly and assembly of the capacitor. Utility Model Content

[0006] The purpose of the utility model is to provide an improvement device for a variable ceramic vacuum capacitor. When the variable ceramic vacuum capacitor needs to be disassembled, it is only necessary to pull the operating block through the operating handle, thereby driving the sliding card rod to move and making the sliding card rod disengage from the corresponding card slot, so that the installation end cover can be easily removed, thereby facilitating the disassembly of the core body and further facilitating the maintenance of the variable ceramic vacuum capacitor.

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] An improved device for a variable ceramic vacuum capacitor, comprising:

[0009] Aluminum housings for variable ceramic vacuum capacitors;

[0010] A core for a variable ceramic vacuum capacitor, the core being disposed inside the aluminum housing;

[0011] An installation end cover matching the aluminum shell, wherein the installation end cover is arranged on the top of the aluminum shell and corresponds to the position of the core;

[0012] Two clamping and fixing mechanisms are used to fix the mounting end cover, and the two clamping and fixing mechanisms are respectively arranged at the top of both sides of the aluminum shell and correspond to the position of the mounting end cover.

[0013] The above-mentioned variable ceramic vacuum capacitor improvement device, wherein the snap-on fixing mechanism includes a fixing block fixedly connected to the side of the mounting end cover, a snap-on assembly is installed on the side of the fixing block, and a snap-on groove is opened on the side of the aluminum shell and corresponding to the position of the snap-on assembly.

[0014] The above-mentioned variable ceramic vacuum capacitor improvement device, wherein the clamping assembly includes a mounting seat fixedly connected to the side of the fixed block, the side of the mounting seat is fixedly connected with two symmetrically arranged connecting springs, the ends of the two connecting springs are fixedly connected through an operating block, and the side of the operating block is fixedly connected with a sliding clamping rod matching the clamping slot.

[0015] In the above variable ceramic vacuum capacitor improvement device, an operating handle for pulling the operating block is fixedly connected to a side of the operating block away from the sliding clamp rod.

[0016] The above-mentioned variable ceramic vacuum capacitor improvement device, wherein a sealing ring matching the aluminum shell is fixedly connected to the edge of the bottom of the mounting end cover.

[0017] The above-mentioned variable ceramic vacuum capacitor improvement device, wherein, the bottom of the mounting end cover and the position corresponding to the core body are also fixedly connected with a contact block for contacting the core body.

[0018] The utility model has at least the following beneficial effects:

[0019] In the utility model, a variable ceramic vacuum capacitor improvement device is realized. When the variable ceramic vacuum capacitor needs to be disassembled, it is only necessary to pull the operating block through the operating handle, thereby driving the sliding card rod to move and making the sliding card rod disengage from the corresponding card slot, so that the installation end cover can be easily removed, thereby facilitating the disassembly of the core body and further facilitating the maintenance of the variable ceramic vacuum capacitor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1It is a structural schematic diagram of the variable ceramic vacuum capacitor improvement device of the utility model;

[0022] Figure 2 It is a cross-sectional structural schematic diagram of the utility model variable ceramic vacuum capacitor improvement device;

[0023] Figure 3 For this utility model Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0024] Figure 4 It is a structural schematic diagram of the clamping assembly in the variable ceramic vacuum capacitor improvement device of the utility model.

[0025] Description of Figure Numbers:

[0026] 1. Aluminum shell; 2. Core; 3. Install end cover; 4. Snap-on fixing mechanism;

[0027] 301, sealing ring; 302, abutment block;

[0028] 401, fixing block; 402, card connection assembly; 403, card slot;

[0029] 4021, mounting seat; 4022, connecting spring; 4023, operating block; 4024, sliding lever; 40231, operating handle. DETAILED DESCRIPTION

[0030] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0031] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0032] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0033] Please refer to Figures 1 to 4 As shown, an embodiment of the utility model provides a variable ceramic vacuum capacitor improvement device, comprising: an aluminum shell 1 for a variable ceramic vacuum capacitor, a core 2 for a variable ceramic vacuum capacitor, a mounting end cover 3 matching the aluminum shell 1, and two clamping fixing mechanisms 4 for fixing the mounting end cover 3;

[0034] Please refer to Figures 1 to 4 As shown, the core 2 is arranged inside the aluminum shell 1;

[0035] Please refer to Figures 1 to 4 As shown, the mounting end cover 3 is arranged on the top of the aluminum shell 1 and corresponds to the position of the core 2;

[0036] Please refer to Figures 1 to 4 As shown, two clamping and fixing mechanisms 4 are respectively arranged at the top of both sides of the aluminum housing 1 and correspond to the positions where the end covers 3 are installed;

[0037] Please refer to Figures 1 to 4 As shown, the snap-fit ​​fixing mechanism 4 includes a fixing block 401 fixedly connected to the side of the mounting end cover 3, a snap-fit ​​assembly 402 is installed on the side of the fixing block 401, and a snap-fit ​​groove 403 is opened on the side of the aluminum housing 1 and at the position corresponding to the snap-fit ​​assembly 402.

[0038] Please refer to Figures 1 to 4 As shown, the card-connecting assembly 402 includes a mounting seat 4021 fixedly connected to the side of the fixing block 401, and two symmetrically arranged connecting springs 4022 are fixedly connected to the side of the mounting seat 4021. The ends of the two connecting springs 4022 are fixedly connected through an operating block 4023, and a sliding card rod 4024 matching the card slot 403 is fixedly connected to the side of the operating block 4023.

[0039] Please refer to Figures 1 to 4 As shown, an operating handle 40231 for pulling the operating block 4023 is fixedly connected to one side of the operating block 4023 away from the sliding card rod 4024;

[0040] By adopting the above technical solution, the operating handle 40231 is provided to facilitate pulling of the operating block 4023, thereby improving the convenience of installing and disassembling the end cover 3, thereby increasing the convenience of maintaining the core body 2.

[0041] Please refer to Figures 1 to 4 As shown, a sealing ring 301 matching the aluminum housing 1 is fixedly connected to the edge of the bottom of the mounting end cover 3;

[0042] By adopting the above technical solution, the sealing performance when the end cover 3 is installed and connected to the aluminum housing 1 is increased by providing the sealing ring 301 .

[0043] Please refer to Figures 1 to 4As shown, abutment blocks 302 for abutting against the core body 2 are fixedly connected to the bottom of the mounting end cover 3 and the position corresponding to the core body 2;

[0044] By adopting the above technical solution, the abutment block 302 is provided to limit the core 2, thereby increasing the stability of the end cover 3 being installed on the aluminum shell 1 and abutting against the core 2.

[0045] The working principle of the utility model is: when the variable ceramic vacuum capacitor needs to be disassembled, it is only necessary to pull the operating block 4023 through the operating handle 40231, so that the sliding clamping rod 4024 can be driven to move, and the sliding clamping rod 4024 can be disengaged from the corresponding clamping groove 403, so that the installation end cover 3 can be easily removed, thereby facilitating the disassembly of the core body 2, and then facilitating the maintenance of the variable ceramic vacuum capacitor.

[0046] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A variable ceramic vacuum capacitor improvement device, characterized in that: include: Aluminum housing for a variable ceramic vacuum capacitor (1); A core (2) for a variable ceramic vacuum capacitor, wherein the core (2) is arranged inside the aluminum housing (1); an installation end cover (3) matching the aluminum shell (1), the installation end cover (3) being arranged on the top of the aluminum shell (1) and corresponding to the position of the core (2); Two clamping fixing mechanisms (4) for fixing the mounting end cover (3); the two clamping fixing mechanisms (4) are respectively arranged at the top of both sides of the aluminum housing (1) and correspond to the position of the mounting end cover (3).

2. The variable ceramic vacuum capacitor improvement device according to claim 1, characterized in that: The snap-fit ​​fixing mechanism (4) comprises a fixing block (401) fixedly connected to the side of the mounting end cover (3), a snap-fit ​​assembly (402) is installed on the side of the fixing block (401), and a snap-fit ​​groove (403) is provided on the side of the aluminum housing (1) at a position corresponding to the snap-fit ​​assembly (402).

3. The variable ceramic vacuum capacitor improvement device according to claim 2, characterized in that: The clamping assembly (402) comprises a mounting seat (4021) fixedly connected to the side of the fixing block (401); two symmetrically arranged connecting springs (4022) are fixedly connected to the side of the mounting seat (4021); the ends of the two connecting springs (4022) are fixedly connected via an operating block (4023); and a sliding clamping rod (4024) matching the clamping slot (403) is fixedly connected to the side of the operating block (4023).

4. The variable ceramic vacuum capacitor improvement device according to claim 3, characterized in that: An operating handle (40231) for pulling the operating block (4023) is fixedly connected to a side of the operating block (4023) away from the sliding clamping rod (4024).

5. The variable ceramic vacuum capacitor improvement device according to claim 4, characterized in that: A sealing ring (301) matching the aluminum housing (1) is fixedly connected to the edge of the bottom of the mounting end cover (3).

6. The variable ceramic vacuum capacitor improvement device according to claim 5, characterized in that: An abutment block (302) for abutting against the core (2) is also fixedly connected to the bottom of the mounting end cover (3) and at a position corresponding to the core (2).

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