CN216353946U - Arc extinguish chamber with firm structural installation - Google Patents
Arc extinguish chamber with firm structural installation Download PDFInfo
- Publication number
- CN216353946U CN216353946U CN202122549523.XU CN202122549523U CN216353946U CN 216353946 U CN216353946 U CN 216353946U CN 202122549523 U CN202122549523 U CN 202122549523U CN 216353946 U CN216353946 U CN 216353946U
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- China
- Prior art keywords
- ceramic tube
- fixedly connected
- shielding
- limiting
- conducting rod
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- 238000009434 installation Methods 0.000 title abstract description 4
- 239000000919 ceramic Substances 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000003068 static effect Effects 0.000 claims description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 14
- 241001330002 Bambuseae Species 0.000 claims description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 14
- 239000011425 bamboo Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model relates to an arc extinguish chamber with a firm structure installation, which comprises a ceramic tube and a shielding cylinder, wherein an inner fixing ring is arranged on the inner side wall of the ceramic tube, radial limiting clamping grooves are formed in the inner fixing ring, at least two limiting clamping grooves are arranged and distributed in a circumferential manner, limiting strips corresponding to the limiting clamping grooves in number and position are arranged on the outer side wall of the shielding cylinder, the limiting strips are in clearance fit in the limiting clamping grooves, a lower limiting ring is also arranged on the inner side wall of the ceramic tube and positioned on the lower side position of the inner fixing ring, the lower end of the shielding cylinder abuts against the lower limiting ring, an upper sealing cover is fixedly connected to the upper end of the ceramic tube, a pressing sleeve is fixedly connected to the lower end face of the upper sealing cover, the pressing sleeve extends into the ceramic tube, the lower end of the pressing sleeve is abutted against the upper end of the shielding cylinder, the fixing method of the shielding cylinder is firm and reliable, position deviation can not occur in the using process, and the insulation level of the product is improved.
Description
Technical Field
The utility model relates to the technical field of arc extinguish chambers, in particular to an arc extinguish chamber with a firm structure.
Background
A vacuum arc-extinguishing chamber, also known as a vacuum switch tube, is a core component of a medium-high voltage power switch, has the main functions of rapidly extinguishing arc and inhibiting current after a medium-high voltage circuit is cut off a power supply through excellent vacuum insulativity in the tube, avoids accidents and accidents, is mainly applied to a power transmission and distribution control system of electric power, and is also applied to power distribution systems of metallurgy, mines, petroleum, chemical engineering, railways, broadcasting, communication, industrial high-frequency heating and the like. The device has the characteristics of energy conservation, material conservation, fire prevention, explosion prevention, small volume, long service life, low maintenance cost, reliable operation, no pollution and the like. The vacuum arc-extinguishing chamber is divided into an arc-extinguishing chamber for a circuit breaker and an arc-extinguishing chamber for a load switch from the aspect of use, the arc-extinguishing chamber for the circuit breaker is mainly used for transformer substations and power grid facilities in the power sector, and the arc-extinguishing chamber for the load switch is mainly used for end users of a power grid.
The fixing mode of the shielding cylinder in the existing vacuum arc extinguish chamber is not firm, and the shielding cylinder is easy to deviate in the using process, so that the uniform distribution of an electric field in the vacuum arc extinguish chamber is influenced, the insulation level of a product is further influenced, and potential quality hazards exist.
SUMMERY OF THE UTILITY MODEL
The arc extinguish chamber is firm and reliable in structural installation, the shielding cylinder is fixed firmly and reliably, the position deviation cannot occur in the use process, the matching coaxiality of the shielding cylinder and the ceramic tube is ensured, the voltage-sharing electric field is further realized, the insulation level of a product is improved, and the problems in the use process in the prior art are solved.
The technical scheme of the utility model is realized as follows: the utility model provides a firm explosion chamber of structural mounting, includes ceramic tube and a shielding section of thick bamboo, be provided with interior fixed ring on the inside wall of ceramic tube, interior fixed ring goes up to open there is radial spacing draw-in groove, spacing draw-in groove is provided with two at least and is the circumference and distributes, be equipped with the spacing corresponding with spacing draw-in groove quantity and position on the lateral wall of a shielding section of thick bamboo, spacing clearance fit is in spacing draw-in groove, still be provided with down the spacing ring on the inside wall of ceramic tube, the spacing ring is located interior fixed ring's downside position down, the lower extreme of a shielding section of thick bamboo supports and holds under on the spacing ring, the upper end fixedly connected with of ceramic tube goes up sealed lid, fixedly connected with presses and holds the cover on going up the lower terminal surface of sealed lid, it is intraductal that the cover extends into ceramic to press, the lower extreme of holding the cover supports and holds on the upper end of a shielding section of thick bamboo.
Preferably, the upper side of the inner side wall of the ceramic tube is provided with an internal thread section, and the pressing sleeve is in threaded connection with the internal thread section.
Preferably, the lower end of the pressing sleeve is fixedly connected with an elastic cushion block.
Preferably, the internal fixation ring is provided with two and is the symmetry setting on the upper and lower both sides of a shielding section of thick bamboo, the internal fixation ring is integrated into one piece on ceramic pipe with lower spacing ring, spacing strip integrated into one piece is on a shielding section of thick bamboo.
Preferably, the lower end of the ceramic tube is fixedly connected with a lower sealing cover, a corresponding moving contact and a corresponding static contact are arranged in the shielding cylinder, the moving contact is located above the static contact, a moving conducting rod is fixedly connected to the upper end face of the moving contact, a static conducting rod is fixedly connected to the lower end face of the static contact, the moving conducting rod upwards penetrates through the shielding cylinder and the upper sealing cover, a corrugated tube is arranged on the moving conducting rod, and the static conducting rod downwards penetrates through the shielding cylinder and the lower sealing cover.
Preferably, the upper sealing cover is fixedly connected with a guide shaft sleeve, and the movable conducting rod is sleeved in the guide shaft sleeve.
Preferably, the upper end face of the movable conducting rod is provided with a copper bar flexible connection fastening hole, and the lower end face of the static conducting rod is provided with a loop copper bar fastening hole.
In conclusion, the beneficial effects of the utility model are as follows:
1. in the utility model, the side wall of the shielding cylinder is clamped on the limiting clamping groove of the inner fixing ring through the limiting strip, so that the shielding cylinder and the ceramic tube are prevented from rotating relatively, and the shielding cylinder and the ceramic tube are kept in good coaxiality.
2. On last sealed lid fixed connection on the basis of ceramic pipe upper end, press and hold set threaded connection on pressing the internal thread section of sheatheeing in, can further improve and press and hold the firm degree that the cover pressed and held a shielding section of thick bamboo, press fixedly connected with elastic cushion block on the lower extreme of holding the cover in addition, press and hold the cover and press through elastic cushion block to shield section of thick bamboo upper end and hold, can prevent the damage of a shielding section of thick bamboo.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the structure of the ceramic tube and the shielding cylinder according to the present invention;
fig. 3 is a schematic structural sectional perspective view of the ceramic tube of the present invention.
In the figure: 1. a ceramic tube; 2. a shielding cylinder; 3. an inner fixing ring; 4. a limiting clamping groove; 5. a limiting strip; 6. a lower limit ring; 7. an upper sealing cover; 8. pressing and holding the sleeve; 9. an internal thread section; 10. an elastic cushion block; 11. a lower sealing cover; 12. a moving contact; 13. static contact; 14. a movable conductive rod; 15. a static conductive rod; 16. a bellows; 17. a guide shaft sleeve; 18. the copper bar is in flexible connection with the fastening hole; 19. and a loop copper bar fastening hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 3, the utility model discloses an arc extinguish chamber with a firmly installed structure, which comprises a ceramic tube 1 and a shielding cylinder 2, wherein an inner fixing ring 3 is arranged on the inner side wall of the ceramic tube 1, radial limiting clamping grooves 4 are formed on the inner fixing ring 3, four limiting clamping grooves 4 are arranged and distributed in a circumferential manner, limiting strips 5 corresponding to the limiting clamping grooves 4 in number and position are arranged on the outer side wall of the shielding cylinder 2, the limiting strips 5 are in clearance fit in the limiting clamping grooves 4, a lower limiting ring 6 is also arranged on the inner side wall of the ceramic tube 1, the lower limiting ring 6 is positioned at the lower side position of the inner fixing ring 3, the lower end of the shielding cylinder 2 is abutted against the lower limiting ring 6, an upper sealing cover 7 is fixedly connected to the upper end of the ceramic tube 1, a pressing sleeve 8 is fixedly connected to the lower end face of the upper sealing cover 7, the pressing sleeve 8 extends into the ceramic tube 1, the lower end of the pressing sleeve 8 is pressed against the upper end of the shielding cylinder 2.
According to the utility model, the side wall of the shielding cylinder 2 is clamped on the limiting clamping groove 4 of the inner fixing ring 3 through the limiting strip 5, so that the shielding cylinder 2 and the ceramic tube 1 are prevented from rotating relatively, and the shielding cylinder 2 and the ceramic tube 1 are kept in good coaxiality, in addition, the inner side wall of the ceramic tube 1 is also provided with the lower limiting ring 6 abutted against the lower end of the shielding cylinder 2, and the upper end of the shielding cylinder 2 is abutted by the pressing sleeve 8 on the upper sealing cover 7, so that the structure can firmly and reliably fix the shielding cylinder 2, and the mounting and dismounting of the shielding cylinder 2 are very simple and convenient.
The firmness degree of the pressing and holding of the shielding cylinder 2 by the pressing and holding sleeve 8 is further improved, an internal thread section 9 is formed in the upper side of the inner side wall of the ceramic tube 1, and the pressing and holding sleeve 8 is in threaded connection with the internal thread section 9.
In addition, an elastic cushion block 10 is fixedly connected to the lower end of the pressing sleeve 8, and the pressing sleeve 8 presses and holds the upper end of the shielding cylinder 2 through the elastic cushion block 10, so that the shielding cylinder 2 can be prevented from being damaged.
Wherein, interior solid fixed ring 3 is provided with two and is the symmetry and sets up on the upper and lower both sides of a shielding section of thick bamboo 2, has improved the structural strength of 5 cooperations of spacing on spacing draw-in groove 4, and interior solid fixed ring 3 and 6 homogeneous formations of spacing ring down are on ceramic pipe 1, 5 integrated into one piece of spacing is on a shielding section of thick bamboo 2, and structural strength is high.
In the utility model, the lower end of the ceramic tube 1 is fixedly connected with a lower sealing cover 11, a corresponding moving contact 12 and a corresponding static contact 13 are arranged in the shielding cylinder 2, the moving contact 12 and the static contact 13 are used for switching on and off, the moving contact 12 is positioned above the static contact 13, a moving conducting rod 14 is fixedly connected to the upper end surface of the moving contact 12, a static conducting rod 15 is fixedly connected to the lower end surface of the static contact 13, the moving conducting rod 14 upwards passes through the shielding cylinder 2 and an upper sealing cover 7, a corrugated pipe 16 is arranged on the moving conducting rod 14, the corrugated pipe 16 is used for keeping high vacuum in the shielding cylinder 2, the static conducting rod 15 downwards passes through the shielding cylinder 2 and the lower sealing cover 11, a guide shaft sleeve 17 is fixedly connected to the upper sealing cover 7, the guide shaft sleeve 17 is used for the moving conducting rod 14 to better move up and down, and the moving conducting rod 14 is sleeved in the guide shaft sleeve 17, the upper end surface of the movable conducting rod 14 is provided with a copper bar flexible connection fastening hole 18, and the lower end surface of the static conducting rod 15 is provided with a loop copper bar fastening hole 19.
Meanwhile, the utility model also points out terms such as: the terms "front," "back," "vertical," "horizontal," and the like, as used herein, are intended to refer to an orientation or positional relationship as shown in the drawings for convenience in describing the utility model and in order to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the utility model.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a firm explosion chamber of structural mounting, includes ceramic pipe (1) and shielding section of thick bamboo (2), its characterized in that: the inner side wall of the ceramic tube (1) is provided with an inner fixing ring (3), the inner fixing ring (3) is provided with radial limiting clamping grooves (4), the limiting clamping grooves (4) are at least provided with two limiting clamping grooves which are distributed in a circumferential manner, the outer side wall of the shielding tube (2) is provided with limiting strips (5) corresponding to the limiting clamping grooves (4) in number and position, the limiting strips (5) are in clearance fit in the limiting clamping grooves (4), the inner side wall of the ceramic tube (1) is also provided with a lower limiting ring (6), the lower limiting ring (6) is positioned at the lower side position of the inner fixing ring (3), the lower end of the shielding tube (2) is abutted against the lower limiting ring (6), the upper end of the ceramic tube (1) is fixedly connected with an upper sealing cover (7), the lower end face of the upper sealing cover (7) is fixedly connected with a pressing sleeve (8), and the pressing sleeve (8) extends into the ceramic tube (1), the lower end of the pressing sleeve (8) is abutted against the upper end of the shielding cylinder (2).
2. A structurally sound interrupting chamber according to claim 1 wherein: an internal thread section (9) is formed in the upper side of the inner side wall of the ceramic tube (1), and the pressing sleeve (8) is in threaded connection with the internal thread section (9).
3. A structurally sound interrupting chamber according to claim 2 wherein: the lower end of the pressing sleeve (8) is fixedly connected with an elastic cushion block (10).
4. A structurally sound interrupting chamber according to claim 1 wherein: interior solid fixed ring (3) are provided with two and are the symmetry and set up on the upper and lower both sides of a shielding section of thick bamboo (2), interior solid fixed ring (3) and spacing ring (6) down are integrated into one piece on ceramic pipe (1), spacing (5) integrated into one piece is on a shielding section of thick bamboo (2).
5. A structurally sound interrupting chamber according to claim 1 wherein: the ceramic tube is characterized in that a lower sealing cover (11) is fixedly connected to the lower end of the ceramic tube (1), a corresponding moving contact (12) and a corresponding static contact (13) are arranged in the shielding tube (2), the moving contact (12) is located above the static contact (13), a moving conducting rod (14) is fixedly connected to the upper end face of the moving contact (12), a static conducting rod (15) is fixedly connected to the lower end face of the static contact (13), the moving conducting rod (14) upwards penetrates through the shielding tube (2) and the upper sealing cover (7), a corrugated tube (16) is arranged on the moving conducting rod (14), and the static conducting rod (15) downwards penetrates through the shielding tube (2) and the lower sealing cover (11).
6. A structurally sound arc chute according to claim 5, characterized in that: the upper sealing cover (7) is fixedly connected with a guide shaft sleeve (17), and the movable conducting rod (14) is sleeved in the guide shaft sleeve (17).
7. A structurally sound arc chute according to claim 5, characterized in that: the upper end face of the movable conducting rod (14) is provided with a copper bar flexible connection fastening hole (18), and the lower end face of the static conducting rod (15) is provided with a loop copper bar fastening hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549523.XU CN216353946U (en) | 2021-10-20 | 2021-10-20 | Arc extinguish chamber with firm structural installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549523.XU CN216353946U (en) | 2021-10-20 | 2021-10-20 | Arc extinguish chamber with firm structural installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216353946U true CN216353946U (en) | 2022-04-19 |
Family
ID=81180876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122549523.XU Expired - Fee Related CN216353946U (en) | 2021-10-20 | 2021-10-20 | Arc extinguish chamber with firm structural installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216353946U (en) |
-
2021
- 2021-10-20 CN CN202122549523.XU patent/CN216353946U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |