CN213546147U - Explosion-proof shell of capacitor - Google Patents
Explosion-proof shell of capacitor Download PDFInfo
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- CN213546147U CN213546147U CN202022902264.XU CN202022902264U CN213546147U CN 213546147 U CN213546147 U CN 213546147U CN 202022902264 U CN202022902264 U CN 202022902264U CN 213546147 U CN213546147 U CN 213546147U
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- main body
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- proof
- cover
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Abstract
An explosion-proof shell of a capacitor comprises a main shell, a main cover, a sealing ring, a first explosion-proof component, a second explosion-proof component, an indicating component, an observation window and a supporting plate; the main body cover is connected with the main body shell in a sliding way through a connecting ring; a plurality of groups of limiting blocks which are identical to the fixed limiting blocks are arranged on the main body shell; the supporting plate is arranged at the bottom of the fixed rod and tightly abuts against the limiting block; the buffer sleeve is arranged on the main body cover in a sliding manner; the fixed ring is arranged on the main body cover in a threaded manner and is connected with the buffer sleeve, and the pressure reduction cover is arranged on the buffer sleeve and is positioned on the periphery of the main body shell; the sealing plate is arranged on the main body shell in a sliding mode, the guide sleeve is arranged on the main body shell, and the guide rod is arranged on the guide sleeve in a sliding mode and is connected with the sealing plate; the spring is sleeved on the guide sleeve and props against the sealing plate and the main body shell. The utility model leaves a gap between the electrical element and the main body shell to prevent the extrusion deformation and damage; simple and convenient to detect and regulate and control condenser internal pressure through first explosion-proof subassembly and second explosion-proof subassembly, prevent effectively that the condenser from exploding, effectual.
Description
Technical Field
The utility model relates to a condenser technical field especially relates to a condenser explosion-proof housing.
Background
A capacitor is widely used in a circuit for ac/dc blocking, coupling, bypassing, filtering, tuning, energy conversion, control, etc., and any two conductors insulated from each other and closely spaced form a capacitor. In the process of long-time use of the capacitor, heat energy is easily generated, internal pressure is increased, when the pressure is increased to a certain value or electrolyte is evaporated due to breakdown, the internal air pressure of the capacitor is increased, the capacitor is expanded and even burst, other electronic components around the capacitor are damaged by the capacitor, and a large amount of resources and cost are lost. The conventional capacitor internal electrical element cannot fully utilize the space in the shell, so that the structure is complicated and inconvenient to assemble, and the assembly time is long; after the capacitor is collided, internal electrical components are easily damaged due to poor anti-seismic performance, and the capacitor is easily cracked because the reduced air pressure of air discharged cannot be detected and discharged in time in the long-time use process; in order to solve the problems, the application provides an explosion-proof shell of a capacitor.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides an explosion-proof shell of a capacitor, which carries and fixes the electrical element inside the capacitor through a fixed rod and a supporting plate on a main body cover, so that a gap is left between the electrical element and the main body shell to prevent the extrusion deformation and damage; and through backup pad and stopper cooperation installation, it is simple and convenient to detect and regulate and control condenser internal pressure through first explosion-proof subassembly and second explosion-proof subassembly, prevent effectively that the condenser from exploding, effectual.
(II) technical scheme
The utility model provides an explosion-proof shell of a capacitor, which comprises a main body shell, a main body cover, a sealing ring, an electrode, a first explosion-proof component, a second explosion-proof component, an indicating component, an observation window, a fixed rod and a supporting plate;
the main body shell is provided with an annular groove, the main body cover is provided with a connecting ring, and the main body cover is connected with the main body shell in a sliding manner through the connecting ring; the sealing ring is arranged on the main body shell in a sliding manner and props against the main body cover, a plurality of groups of limiting blocks which are identical to the fixed limiting blocks are arranged on the main body shell, and the limiting blocks are positioned on the inner wall of the main body shell; the fixing rod is arranged on the main body cover and positioned in the main body shell, and the supporting plate is arranged at the bottom of the fixing rod and abuts against the limiting block; the electrode is arranged on the main body cover and extends into the main body shell;
the first explosion-proof assembly comprises a buffer sleeve, a fixing ring and a pressure reducing cover; the main body cover is provided with a cylindrical hole, and the buffer sleeve is arranged on the main body cover in a sliding manner and is positioned in the cylindrical hole; the fixed ring is arranged on the main body cover in a threaded manner and is connected with the buffer sleeve, and the pressure reduction cover is arranged on the buffer sleeve and is positioned on the periphery of the main body shell; the second explosion-proof assembly comprises a sealing plate, a guide rod, a guide sleeve and a spring; the sealing plate is arranged on the main body shell in a sliding mode and located below the supporting plate, the guide sleeve is arranged on the main body shell, and the guide rod is arranged on the guide sleeve in a sliding mode and connected with the sealing plate; the spring is sleeved on the guide sleeve and props against the sealing plate and the main body shell;
the indicating assembly comprises a connecting rod and a scale bar; the observation window is arranged on the main body shell and is positioned below the supporting plate, the connecting rod is arranged at the bottom of the sealing plate, and an indicating arrow for facilitating observation is arranged at one end, close to the observation window, of the connecting rod; the scale bar is arranged on the main body shell and positioned on two sides of the observation window.
Preferably, the pressure reducing cover is provided with a control valve.
Preferably, a seal is provided between the sealing plate and the main body case.
Preferably, the observation window is a high-pressure resistant transparent window.
Preferably, the guide rods, the guide sleeves and the springs on the second explosion-proof assembly are four groups, and are annularly arrayed on the sealing plate.
Preferably, a sealing ring is arranged between the fixing ring and the main body cover.
Preferably, the number of the fixing rods is multiple groups, and the fixing rods are annularly arrayed at the bottom of the main body cover.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: during assembly, an electrical element is arranged on the supporting plate and fixed on the main body cover through the fixing rod, then the sealing ring is sleeved on the main body shell, the main body cover slides onto the main body shell and abuts against the sealing ring, then pressure is applied to the main body cover and the sealing ring is extruded, at the moment, the main body cover is rotated to enable the supporting plate to be clamped on the limiting block on the main body shell, and the device is sealed and locked; when the capacitor is used for a long time, when the capacitor generates heat energy to cause the internal pressure to rise, and when the pressure rises to a certain value, the sealing plate is extruded by air pressure, the spring is compressed, the sealing plate moves downwards along the arrangement direction of the guide rod, and an indication arrow of an indication assembly arranged on the sealing plate moves; the internal air pressure can be observed through the scale bars on the observation window; when the arrow reaches the bottommost part, namely the maximum pressure which can be borne by the capacitor, the air is exhausted and decompressed through a control valve on a decompression cover on the first explosion-proof component in time; if the worker forgets to exhaust and reduce the pressure in a short time, when the internal air pressure continues to increase, the buffer sleeve deforms and expands to prolong the service life of the capacitor; time is strived for maintenance; the utility model carries and fixes the electrical element inside the capacitor through the fixing rod and the supporting plate on the main body cover, so that a gap is left between the electrical element and the main body shell, and the extrusion deformation and damage are prevented; and through backup pad and stopper cooperation installation, it is simple and convenient to detect and regulate and control condenser internal pressure through first explosion-proof subassembly and second explosion-proof subassembly, prevent effectively that the condenser from exploding, effectual.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof housing of a capacitor according to the present invention.
Fig. 2 is a schematic three-dimensional view of the explosion-proof housing of the capacitor according to the present invention.
Fig. 3 is a schematic structural diagram of a first explosion-proof assembly in an explosion-proof housing of a capacitor according to the present invention.
Fig. 4 is a schematic structural diagram of a second explosion-proof component in an explosion-proof housing of a capacitor according to the present invention.
Fig. 5 is an enlarged schematic structural diagram of a position a in the explosion-proof housing of the capacitor according to the present invention.
Fig. 6 is a schematic structural diagram of a supporting plate in an explosion-proof housing of a capacitor according to the present invention.
Reference numerals: 1. a main body case; 2. a main body cover; 3. a seal ring; 4. an electrode; 5. a first explosion-proof assembly; 6. a second explosion-proof assembly; 7. an indicating component; 8. an observation window; 9. fixing the rod; 10. a support plate; 11. a limiting block; 12. a buffer sleeve; 13. a fixing ring; 14. a pressure reducing cover; 15. a sealing plate; 16. a guide bar; 17. a guide sleeve; 18. a spring; 19. a connecting rod; 20. an arrow is indicated; 21. a scale bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the utility model provides an explosion-proof housing of capacitor, including main body shell 1, main body lid 2, sealing washer 3, electrode 4, first explosion-proof subassembly 5, second explosion-proof subassembly 6, instruction subassembly 7, observation window 8, dead lever 9 and backup pad 10;
the main body shell 1 is provided with an annular groove, the main body cover 2 is provided with a connecting ring, and the main body cover 2 is connected with the main body shell 1 in a sliding manner through the connecting ring; the sealing ring 3 is arranged on the main body shell 1 in a sliding mode and abuts against the main body cover 2, a plurality of groups of limiting blocks 11 which are identical to the main body shell 1 in a fixed mode are arranged on the main body shell 1, and the limiting blocks 11 are located on the inner wall of the main body shell 1; the fixed rod 9 is arranged on the main body cover 2 and positioned in the main body shell 1, and the supporting plate 10 is arranged at the bottom of the fixed rod 9 and abuts against the limiting block 11; the electrode 4 is arranged on the main body cover 2 and extends into the main body shell 1;
the first explosion-proof assembly 5 comprises a buffer sleeve 12, a fixing ring 13 and a pressure reducing cover 14; a cylindrical hole is formed in the main body cover 2, and the buffer sleeve 12 is arranged on the main body cover 2 in a sliding mode and is located in the cylindrical hole; the fixing ring 13 is arranged on the main body cover 2 in a threaded manner and is connected with the buffer sleeve 12, and the pressure reducing cover 14 is arranged on the buffer sleeve 12 and is positioned on the periphery of the main body shell 1; the second explosion-proof assembly 6 comprises a sealing plate 15, a guide rod 16, a guide sleeve 17 and a spring 18; the sealing plate 15 is arranged on the main body shell 1 in a sliding mode and located below the supporting plate 10, the guide sleeve 17 is arranged on the main body shell 1, and the guide rod 16 is arranged on the guide sleeve 17 in a sliding mode and connected with the sealing plate 15; the spring 18 is sleeved on the guide sleeve 17 and props against the sealing plate 15 and the main body shell 1;
the indicating assembly 7 comprises a connecting rod 19 and a scale bar 21; the observation window 8 is arranged on the main body shell 1 and is positioned below the supporting plate 10, the connecting rod 19 is arranged at the bottom of the sealing plate 15, and an indicating arrow 20 for facilitating observation is arranged at one end, close to the observation window 8, of the connecting rod 19; the scale bar 21 is provided on the main body case 1 on both sides of the observation window 8.
In an alternative embodiment, the pressure relief cover 14 is provided with a control valve to facilitate venting of the gas within the housing.
In an alternative embodiment, a sealing member is provided between the sealing plate 15 and the main body case 1 to increase sealability.
In an alternative embodiment, the viewing window 8 is a high pressure resistant transparent window.
In an alternative embodiment, the number of guide rods 16, guide sleeves 17 and springs 18 on the second explosion-proof assembly 6 is four, and the guide rods, the guide sleeves and the springs are annularly arrayed on the sealing plate 15, so that stability is improved, and the sealing plate is not easy to clamp.
In an alternative embodiment, a sealing ring is provided between the fixing ring 13 and the body cover 2.
In an alternative embodiment, the number of the fixing rods 9 is plural groups, and the fixing rods 9 are annularly arrayed at the bottom of the body cover 2.
In the utility model, during assembly, the electrical component is arranged on the support plate 10 and fixed on the main body cover 2 through the fixing rod 9, then the sealing ring 3 is sleeved on the main body shell 1, the main body cover 2 is slid onto the main body shell 1 and is pressed against the sealing ring 3, then the main body cover 2 is pressed and the sealing ring 3 is extruded, at the moment, the main body cover 2 is rotated to clamp the support plate 10 on the limiting block 11 on the main body shell 1, and the device is sealed and locked; when the capacitor is used for a long time, when the capacitor generates heat energy to cause the internal pressure to rise, and when the pressure rises to a certain value, the sealing plate 15 is compressed by air pressure, the spring 18 is compressed, the sealing plate 15 moves downwards along the arrangement direction of the guide rod 16, and an indication arrow 20 of the indication assembly 7 arranged on the sealing plate 15 moves; the internal air pressure can be observed through the scale bar 21 on the observation window 8; when the arrow reaches the bottommost part, namely the maximum pressure which can be borne by the capacitor, the air is exhausted and decompressed through a control valve on the decompression cover 14 on the first explosion-proof component 5 in time; if the worker forgets to exhaust and reduce the pressure within a short time, when the internal air pressure continues to increase, the buffer sleeve 12 deforms and expands to prolong the easy-to-use time of the capacitor; time is strived for maintenance; the utility model carries and fixes the electrical element inside the capacitor through the fixing rod and the supporting plate on the main body cover, so that a gap is left between the electrical element and the main body shell, and the extrusion deformation and damage are prevented; and through backup pad and stopper cooperation installation, it is simple and convenient to detect and regulate and control condenser internal pressure through first explosion-proof subassembly and second explosion-proof subassembly, prevent effectively that the condenser from exploding, effectual.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. An explosion-proof shell of a capacitor is characterized by comprising a main body shell (1), a main body cover (2), a sealing ring (3), an electrode (4), a first explosion-proof component (5), a second explosion-proof component (6), an indicating component (7), an observation window (8), a fixing rod (9) and a supporting plate (10);
the main body shell (1) is provided with an annular groove, the main body cover (2) is provided with a connecting ring, and the main body cover (2) is connected with the main body shell (1) in a sliding manner through the connecting ring; the sealing ring (3) is arranged on the main body shell (1) in a sliding mode and abuts against the main body cover (2), a plurality of groups of limiting blocks (11) which are identical to the main body shell in fixing mode are arranged on the main body shell (1), and the limiting blocks (11) are located on the inner wall of the main body shell (1); the fixing rod (9) is arranged on the main body cover (2) and is positioned in the main body shell (1), and the supporting plate (10) is arranged at the bottom of the fixing rod (9) and abuts against the limiting block (11); the electrode (4) is arranged on the main body cover (2) and extends into the main body shell (1);
the first explosion-proof component (5) comprises a buffer sleeve (12), a fixing ring (13) and a pressure reduction cover (14); a cylindrical hole is formed in the main body cover (2), and the buffer sleeve (12) is arranged on the main body cover (2) in a sliding mode and is located in the cylindrical hole; the fixing ring (13) is arranged on the main body cover (2) in a threaded manner and is connected with the buffer sleeve (12), and the pressure reducing cover (14) is arranged on the buffer sleeve (12) and is positioned on the periphery of the main body shell (1); the second explosion-proof component (6) comprises a sealing plate (15), a guide rod (16), a guide sleeve (17) and a spring (18); the sealing plate (15) is arranged on the main body shell (1) in a sliding mode and located below the supporting plate (10), the guide sleeve (17) is arranged on the main body shell (1), and the guide rod (16) is arranged on the guide sleeve (17) in a sliding mode and connected with the sealing plate (15); the spring (18) is sleeved on the guide sleeve (17) and is propped against the sealing plate (15) and the main body shell (1);
the indicating component (7) comprises a connecting rod (19) and a scale bar (21); the observation window (8) is arranged on the main body shell (1) and is positioned below the support plate (10), the connecting rod (19) is arranged at the bottom of the sealing plate (15), and an indication arrow (20) for facilitating observation is arranged at one end, close to the observation window (8), of the connecting rod (19); the scale bars (21) are arranged on the main body shell (1) and are positioned on two sides of the observation window (8).
2. Explosion proof housing for capacitors according to claim 1, characterized in that the relief cover (14) is provided with a control valve.
3. Explosion proof housing for capacitors as claimed in claim 1, characterized in that a sealing is provided between the sealing plate (15) and the body housing (1).
4. Explosion-proof housing for capacitors as claimed in claim 1, characterized in that the viewing window (8) is a high-voltage-resistant transparent window.
5. Explosion-proof housing for capacitors according to claim 1, characterized in that the number of guide rods (16), guide sleeves (17) and springs (18) on the second explosion-proof assembly (6) is four and the ring array is on the sealing plate (15).
6. Explosion proof housing for capacitors as claimed in claim 1, characterized in that a sealing ring is provided between the fixing ring (13) and the body cover (2).
7. Explosion proof housing for capacitors as claimed in claim 1, characterized in that the number of the fixing rods (9) is several groups and the fixing rods (9) are annularly arrayed at the bottom of the body cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022902264.XU CN213546147U (en) | 2020-12-05 | 2020-12-05 | Explosion-proof shell of capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022902264.XU CN213546147U (en) | 2020-12-05 | 2020-12-05 | Explosion-proof shell of capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213546147U true CN213546147U (en) | 2021-06-25 |
Family
ID=76484946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022902264.XU Active CN213546147U (en) | 2020-12-05 | 2020-12-05 | Explosion-proof shell of capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213546147U (en) |
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2020
- 2020-12-05 CN CN202022902264.XU patent/CN213546147U/en active Active
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