Fixed capacitor convenient to disassemble and assemble

Abstract

The invention discloses a fixed capacitor convenient to disassemble and assemble, which belongs to the technical field of fixed capacitors and comprises a core bag, an inner shell with an open top surface sleeves the lower end of the outer side of the core bag, a heat conduction layer is arranged between the core bag and the inner shell, an inner cover is detachably connected above the inner shell, and an outer cover and an outer shell with an open bottom surface sleeve the outer side of the inner cover. A limiting ring is fixedly connected to the top face of the outer cover, a plurality of L-shaped sliding grooves are formed in the side face of the limiting ring in a circumferential array mode, and a plurality of sliding blocks matched with the sliding grooves are fixedly connected to the inner side face of the shell in a circumferential array mode. According to the fixed capacitor convenient to disassemble and assemble, the core bag is wrapped by the inner shell and the inner cover, heat generated by the core bag is conducted out in cooperation with the heat conduction layer, the outer shell and the outer cover are connected or separated through sliding of the sliding blocks in the L-shaped sliding grooves, the core bag is quickly disassembled and assembled in cooperation with the springs, and compared with an existing device, the trouble of installation and disassembly is avoided; the problem that the whole capacitor needs to be replaced when the core package needs to be replaced is solved, and resource waste caused by replacement is reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of fixed capacitors, and in particular, relates to a fixed capacitor that is easy to disassemble and assemble. Background Art

[0002] Capacitors are one of the electronic components used in large quantities in electronic equipment. They are widely used in circuits for DC isolation, AC passing, coupling, bypassing, filtering, tuning circuits, energy conversion, control, etc. Fixed capacitors are capacitors with fixed capacitance. The deviation between the actual capacitance of a capacitor and the nominal capacitance is called error, and the deviation within the allowable range is called accuracy.

[0003] Existing fixed capacitors are troublesome to install and disassemble after production. In actual use, when the core package needs to be replaced, the entire capacitor often needs to be replaced, resulting in great waste in the production process.

[0004] Therefore, we propose a fixed capacitor which is easy to disassemble and assemble to solve the above problems. Summary of the invention

[0005] The purpose of the present application is to solve the problem in the prior art that fixed capacitors are difficult to install and disassemble, and replacement causes waste, and to propose a fixed capacitor that is easy to install and disassemble.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A fixed capacitor that is easy to disassemble and assemble comprises a core package, wherein an inner shell with an open top surface is sleeved on the lower end of the outer side of the core package, a heat conducting layer is arranged between the core package and the inner shell, an inner cover is detachably connected to the top of the inner shell, an outer cover and an outer shell with an open bottom surface are sleeved on the outer side of the inner cover, a limiting ring is fixedly connected to the top surface of the outer cover, a plurality of L-shaped slide grooves are arranged in a circular array on the side surface of the limiting ring, a plurality of sliders matching the slide grooves are fixedly connected to the circular array on the inner side surface of the outer shell, a spring is fixedly connected to the inner top wall of the shell, and the other end of the spring is fitted with the inner cover.

[0008] Preferably, the heat-conducting layer is formed of a heat-conducting silicone pad with a thickness between 0.5 mm and 1.5 mm.

[0009] Preferably, the bottom end of the inner cover and the top end of the inner shell are both fixedly connected with matching connecting rings, and the two connecting rings are connected by threads.

[0010] Preferably, a slot is provided upwardly on one side of the bottom end of the slide groove away from the vertical section, and the sliding block is matched with the slot.

[0011] Preferably, the shell and one side of the outer cover are both fixedly connected with an indicator block, and the indicator block on the shell is located below one of the sliders, and the indicator block on the outer cover is located below one of the slide grooves.

[0012] Preferably, the bottom surface of the inner shell is threadedly connected to two bolts, and the top ends of the two bolts fit with the output pins of the core package. The bottom surface of the inner shell is fixedly connected to metal sheets by bolts, and the bottom surface of the inner shell is provided with openings for the two metal sheets to pass through.

[0013] Preferably, the inner side surface of the outer shell is stepped, and the outer shell is fitted with the inner shell.

[0014] To sum up, the technical effects and advantages of the present application are as follows: compared with the existing devices, the fixed capacitor that is easy to disassemble and assemble is provided with an inner shell, an inner cover, an outer cover, an outer shell, a limiting ring, a slide groove, a slider, and a spring. The core package is wrapped by the inner shell and the inner cover, and the heat generated by the core package is conducted away in cooperation with the heat conductive layer. The slider slides in the L-shaped slide groove to achieve connection or separation between the outer shell and the outer cover, and the spring is used to achieve rapid disassembly and assembly of the core package. Compared with the existing devices, the problem of troublesome installation and disassembly, which often requires the entire capacitor to be replaced when the core package needs to be replaced, is avoided, thereby reducing the waste of resources caused by replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 It is a cross-sectional view of the inner shell of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the present invention after the outer shell is removed;

[0018] Figure 4 It is a schematic diagram of the spring structure of the present invention.

[0019] In the figure: 1. core package; 2. inner shell; 3. heat conductive layer; 4. inner cover; 5. outer cover; 6. outer shell; 7. limit ring; 8. slide groove; 9. slider; 10. spring; 11. connecting ring; 12. slot; 13. indicator block; 14. bolt; 15. metal sheet. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0021] Reference Figure 1-3A fixed capacitor that is easy to disassemble and assemble comprises a core package 1, an inner shell 2 with an open top surface is sleeved on the outer lower end of the core package 1, a heat conducting layer 3 is arranged between the core package 1 and the inner shell 2, the core package 1 is wrapped by an inner cover 4 of the inner shell 2, and the heat generated by the core package 1 is conducted away in cooperation with the heat conducting layer 3, an inner cover 4 is detachably connected to the top of the inner shell 2, an outer cover 5 and an outer shell 6 with an open bottom surface are sleeved on the outer side of the inner cover 4, a limiting ring 7 is fixedly connected to the top surface of the outer cover 5, a plurality of L-shaped slide grooves 8 are arranged in a circumferential array on the side surface of the limiting ring 7, and a plurality of sliders 9 matching the slide grooves 8 are fixedly connected to the circumferential array on the inner side surface of the outer shell 6.

[0022] Reference Figure 4 A spring 10 is fixedly connected to the top wall of the shell, and the other end of the spring 10 is in contact with the inner cover 4. The slider 9 slides in the L-shaped slide groove 8 to realize the connection or separation of the shell 6 and the outer cover 5. With the spring 10, the core package 1 can be quickly disassembled and assembled. Compared with the existing device, it avoids the troublesome installation and disassembly, resulting in the problem that when the core package 1 needs to be replaced, the entire capacitor often needs to be replaced, thereby reducing the waste of resources caused by replacement.

[0023] Reference Figure 2-3 The heat-conducting layer 3 is composed of a heat-conducting silicone pad with a thickness of 0.5 mm to 1.5 mm. The heat conduction is achieved through the heat-conducting silicone pad, which improves the heat dissipation capacity and provides a buffer for the core package 1 to avoid collision between the core package 1 and the inner cover 4 and the inner shell 2 due to gaps.

[0024] The bottom end of the inner cover 4 and the top end of the inner shell 2 are fixedly connected with matching connecting rings 11, and the two connecting rings 11 are connected by threads, so as to realize more convenient disassembly and assembly of the inner cover 4 and the inner shell 2.

[0025] A slot 12 is provided upwardly on one side of the bottom end of the slide 8 away from the vertical section, and the slider 9 is matched with the slot 12 to prevent the slider 9 from escaping from the slide 8 in the event of interference, thereby improving the stability and safety of the device.

[0026] An indicator block 13 is fixedly connected to one side of the shell 6 and the outer cover 5, and the indicator block 13 on the shell 6 is located under one of the sliders 9, and the indicator block 13 on the outer cover 5 is located under one of the slide grooves 8, so as to indicate the positions of the slider 9 and the slide groove 8 to prevent the slider 9 from being unable to align with the slide groove 8 when the shell 6 is pressed down.

[0027] Two bolts 14 are threadedly connected to the bottom surface of the inner shell 2, and the top ends of the two bolts 14 fit with the output pins of the core package 1. The bottom surface of the inner shell 2 is fixedly connected with metal sheets 15 by the bolts 14. The bottom surface of the inner shell 2 is provided with openings for the two metal sheets 15 to pass through, so as to realize the disassembly and assembly of the metal sheets 15. The connection between the bolts 14 and the metal sheets 15 can also use metal springs as intermediate parts to further improve the convenience of disassembly and assembly.

[0028] Reference Figure 4 The inner side surface of the outer shell 6 is stepped, and the outer shell 6 is fitted with the inner shell 2, so as to achieve the fit between the outer shell 6 and the inner cover 4 of the inner shell 2, improve the heat conduction efficiency, and then improve the heat dissipation capacity of the core package 1.

[0029] Working principle:

[0030] When using the fixed capacitor which is easy to disassemble, the core package 1 is placed in the inner shell 2, and the inner cover 4 is screwed tightly to the inner shell 2, and then the bolts 14 are tightened and the metal sheet 15 is connected to the bottom surface of the inner shell 2, and then the inner shell 2 is placed in the outer cover 5, and the outer cover 5 is aligned with the indicator block 13 on the outer shell 6, and the outer shell 6 is pressed down until the slider 9 enters the horizontal section in the slide groove 8, and then the outer shell 6 is rotated until the slider 9 enters just below the slot 12, and then the user lets go, the spring 10 presses the inner shell 2 tightly against the outer cover 5, and at the same time pushes the outer shell 6 upward, the slider 9 enters the slot 12 and is fixed, and when the capacitor needs to be disassembled, the reverse operation can be performed, and the above is the entire use process of the fixed capacitor which is easy to disassemble.

[0031] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and inventive concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A fixed capacitor that is easy to disassemble and assemble, comprising a core package (1), characterized in that: The lower end of the outer side of the core package (1) is sleeved with an inner shell (2) with an open top surface, a heat conducting layer (3) is provided between the core package (1) and the inner shell (2), an inner cover (4) is detachably connected to the top of the inner shell (2), an outer cover (5) and an outer shell (6) with an open bottom surface are sleeved on the outer side of the inner cover (4), a limiting ring (7) is fixedly connected to the top surface of the outer cover (5), a plurality of L-shaped slide grooves (8) are arranged in a circular array on the side surface of the limiting ring (7), a plurality of sliders (9) matching the slide grooves (8) are fixedly connected to the inner side surface of the outer shell (6), a spring (10) is fixedly connected to the inner top wall of the shell, and the other end of the spring (10) is in contact with the inner cover (4).

2. A fixed capacitor that is easy to assemble and disassemble according to claim 1, characterized in that: The heat-conducting layer (3) is composed of a heat-conducting silicone pad and has a thickness between 0.5 mm and 1.5 mm.

3. The fixed capacitor that is easy to assemble and disassemble according to claim 1, characterized in that: The bottom end of the inner cover (4) and the top end of the inner shell (2) are both fixedly connected with matching connecting rings (11), and the two connecting rings (11) are connected via threads.

4. The fixed capacitor that is easy to assemble and disassemble according to claim 1, characterized in that: A clamping groove (12) is provided on one side of the bottom end of the slide groove (8) away from the vertical section and facing upward, and the sliding block (9) is matched with the clamping groove (12).

5. The fixed capacitor that is easy to assemble and disassemble according to claim 1, characterized in that: An indicating block (13) is fixedly connected to one side of the shell (6) and the outer cover (5), and the indicating block (13) on the shell (6) is located below one of the sliders (9), and the indicating block (13) on the outer cover (5) is located below one of the slide grooves (8).

6. The fixed capacitor that is easy to assemble and disassemble according to claim 1, characterized in that: The bottom surface of the inner shell (2) is threadedly connected to two bolts (14), and the top ends of the two bolts (14) fit with the output pins of the core package (1). The bottom surface of the inner shell (2) is fixedly connected to metal sheets (15) via the bolts (14), and the bottom surface of the inner shell (2) is provided with openings for the two metal sheets (15) to pass through.

7. The fixed capacitor that is easy to assemble and disassemble according to claim 1, characterized in that: The inner side surface of the outer shell (6) is stepped, and the outer shell (6) is fitted with the inner shell (2).

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