CN203659736U - High-voltage vacuum switch tube - Google Patents
High-voltage vacuum switch tube Download PDFInfo
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- CN203659736U CN203659736U CN201320763705.XU CN201320763705U CN203659736U CN 203659736 U CN203659736 U CN 203659736U CN 201320763705 U CN201320763705 U CN 201320763705U CN 203659736 U CN203659736 U CN 203659736U
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- power part
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- annular metal
- quiet
- quiet power
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Abstract
The utility model discloses a high-voltage vacuum switch tube, which comprises a shell, a moving contact with a moving electricity connection part, and a first static contact with a first static electricity connection part. The shell comprises: an annular metal plate, two elastic tube bodies, a ceramic tube body, a cover plate assembly, and an annular metal auxiliary welding plate of one ceramic tube body. Two sides of the annular metal plate are provided with a welding connection part; the two elastic tube bodies are located at two side of the welding connecting part of the annular metal plate; the ceramic tube body is located at one end of each elastic tube body which is away from the welding connecting part of the annular metal plate; the cover plate assembly is used for blocking an opening of one end of each elastic tube body which is away from the welding connecting part of the annular metal plate; and the annular metal auxiliary welding plate of one ceramic tube body is connected and matched with a metal bellows. The center of the cover plate assembly is provided with a round hole; the ceramic tube body is provided with an auxiliary insulating tube part; each elastic tube body is sleeved on a corresponding auxiliary insulating tube part; and a clearance is left between one side end of each auxiliary insulating tube part close to the annular metal plate and the annular metal plate. The high-voltage vacuum switch tube can effectively prevent the ceramic tube body from loosening or fracture and other failure.
Description
Technical field
The utility model belongs to high pressure arc extinguishing technical field, is specifically related to a kind of high-pressure vacuum switch pipe.
Background technology
Patent documentation CN102157297 A discloses a kind of three station high-pressure vacuum switch pipes, can realize connection, isolation and ground connection three station functions, has the advantages such as compact conformation, reasonable in design, range of application is wider.But also exist weak point: its grounding static contact adopts electric conducting material to make, two ends are fixedly connected with an earthenware by welding manner separately, two earthenwares are in split state, bulk strength poor (earthenware of traditional double high-pressure vacuum switch pipe is integral piece, so bulk strength is better); Because moving contact is in the time carrying out the action of high pressure divide-shut brake, meeting direct collision is to grounding static contact, and because impact force is very large, the consistency of adding ceramic body is poor, in actual use, easily causes this place of being welded to connect loosening, causes occurring electric power accident.
Utility model content
It is comparatively reasonable that the purpose of this utility model is to provide a kind of structure, effectively guarantees the high-pressure vacuum switch pipe in functional reliability and useful life.
The technical scheme that realizes the utility model object is: a kind of high-pressure vacuum switch pipe, comprise housing, have moving power part moving contact, there is the first fixed contact of the first quiet power part; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part in the time that the first fixed contact moves; Described housing comprise both sides all there is the annular metal sheet of the portion of being welded to connect, be positioned at two elasticity bodys that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body be welded to connect away from endless metal the ceramic body of one end of portion, for the each ceramic body of shutoff away from endless metal be welded to connect the opening of one end of portion cover plate assembly, connect a corresponding metal bellows and the endless metal auxiliary welding plate with a ceramic body of this metal bellows adaptation; Each cover plate assembly center is provided with circular hole; Described annular metal sheet, elasticity body, ceramic body, cover plate assembly and endless metal auxiliary welding plate enclose and form a containing cavity; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity; Described each ceramic body is provided with supplementary insulation pipe portion, and each elasticity body is set in a corresponding supplementary insulation pipe portion, and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap.
In such scheme, between the periphery wall of each supplementary insulation pipe portion and the internal perisporium of a corresponding elasticity body, leave gap.
In such scheme, between the periphery wall of each supplementary insulation pipe portion and corresponding endless metal auxiliary welding plate internal perisporium, leave gap.
In such scheme, on annular metal sheet, be arranged in containing cavity and as the second quiet power part in abutting connection with the plate body of centre bore; Moving contact also comprises the conducting rod being connected with moving power part, and moving power part is between the first quiet power part and the second quiet power part, and conducting rod is through the centre bore of annular metal sheet; The aperture of described centre bore is greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part in the time that the second quiet power part moves.
In such scheme, moving power part is in the time that the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is in the time that the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
The utility model structure is comparatively reasonable, and in the time carrying out divide-shut brake action, elasticity body can play cushioning effect, effectively prevents that ceramic body from the faults such as loosening or cracked occurring, and have guaranteed functional reliability and useful life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 is a kind of structural representation of the present utility model, has shown a kind of embodiment of the present utility model.
The present embodiment is a kind of high-pressure vacuum switch pipe, as shown in Figure 1, comprise housing 1, have moving power part 21 moving contact 2, there is the first fixed contact 3 of the first quiet power part 31; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part in the time that the first fixed contact moves; Described housing comprise both sides all there is the annular metal sheet 4 of the portion of being welded to connect 41, be positioned at two elasticity bodys 5 that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body be welded to connect away from endless metal the ceramic body 6 of one end of portion, for the each ceramic body of shutoff be welded to connect away from endless metal the opening of one end of portion cover plate assembly 7, connect a corresponding metal bellows and the endless metal auxiliary welding plate 8 with a ceramic body of this metal bellows adaptation; Each cover plate assembly center is provided with circular hole 71; Described annular metal sheet 4, elasticity body 5, ceramic body 6, cover plate assembly 7 and endless metal auxiliary welding plate 8 enclose and form a containing cavity 11; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity; Described each ceramic body is provided with supplementary insulation pipe portion 61, and each elasticity body is set in a corresponding supplementary insulation pipe portion 61, and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap 100.
Between the periphery wall of each supplementary insulation pipe portion and the internal perisporium of a corresponding elasticity body, leave gap 100.
Between the periphery wall of each supplementary insulation pipe portion and corresponding endless metal auxiliary welding plate internal perisporium, leave gap 100.
In the present embodiment, on annular metal sheet, be arranged in containing cavity and as the second quiet power part 42 in abutting connection with the plate body of centre bore 43; Moving contact also comprises the conducting rod 22 being connected with moving power part, and moving power part is between the first quiet power part and the second quiet power part, and conducting rod is through the centre bore of annular metal sheet; The aperture of described centre bore is greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part in the time that the second quiet power part moves.Moving power part is in the time that the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is in the time that the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
The present embodiment structure is comparatively reasonable, and in the time carrying out divide-shut brake action, elasticity body can play cushioning effect, effectively prevents that ceramic body from the faults such as loosening or cracked occurring, and have guaranteed functional reliability and useful life.In addition, elasticity body is subject to self structure restriction, and in the time being weldingly connected with ceramic body, percent defective is higher; The present embodiment by setting up an endless metal auxiliary welding plate between elasticity body and ceramic body, one end and the elasticity body of this endless metal auxiliary welding plate are weldingly connected, the other end and ceramic body are weldingly connected, thereby effectively reduce manufacturing process difficulty, promote rate of finished products.In addition, the present embodiment, by setting up the supplementary insulation pipe portion that is positioned at elasticity body inside, has promoted the uniformity of the Electric Field Distribution of elastic tube body region in containing cavity, has also promoted the insulation property between conducting rod and elasticity body.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And these belong to apparent variation or the variation that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (5)
1. a high-pressure vacuum switch pipe, comprise housing (1), have moving power part (21) moving contact (2), there is first fixed contact (3) of the first quiet power part (31), moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part in the time that the first fixed contact moves, it is characterized in that: described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect (41) (4), be positioned at two elasticity bodys (5) that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body is welded to connect one end of portion ceramic body (6) away from endless metal, be welded to connect the cover plate assembly (7) of the opening of one end of portion away from endless metal for the each ceramic body of shutoff, connect a corresponding metal bellows and the endless metal auxiliary welding plate (8) with a ceramic body of this metal bellows adaptation, each cover plate assembly center is provided with circular hole (71), described annular metal sheet (4), elasticity body (5), ceramic body (6), cover plate assembly (7) and endless metal auxiliary welding plate (8) enclose and form a containing cavity (11), the first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity, described each ceramic body is provided with supplementary insulation pipe portion (61), and it is upper that each elasticity body is set in a corresponding supplementary insulation pipe portion (61), and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap (100).
2. high-pressure vacuum switch pipe according to claim 1, is characterized in that: between the periphery wall of each supplementary insulation pipe portion and the internal perisporium of a corresponding elasticity body, leave gap (100).
3. high-pressure vacuum switch pipe according to claim 2, is characterized in that: between the periphery wall of each supplementary insulation pipe portion and corresponding endless metal auxiliary welding plate internal perisporium, leave gap (100).
4. high-pressure vacuum switch pipe according to claim 3, is characterized in that: on annular metal sheet, be arranged in containing cavity and as the second quiet power part (42) in abutting connection with the plate body of centre bore; Moving contact also comprises the conducting rod (22) being connected with moving power part, and moving power part is between the first quiet power part and the second quiet power part, and conducting rod is through the centre bore of annular metal sheet; The aperture of described centre bore is greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part in the time that the second quiet power part moves.
5. high-pressure vacuum switch pipe according to claim 4, is characterized in that: moving power part is in the time that the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is in the time that the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763705.XU CN203659736U (en) | 2013-11-27 | 2013-11-27 | High-voltage vacuum switch tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763705.XU CN203659736U (en) | 2013-11-27 | 2013-11-27 | High-voltage vacuum switch tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203659736U true CN203659736U (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320763705.XU Expired - Fee Related CN203659736U (en) | 2013-11-27 | 2013-11-27 | High-voltage vacuum switch tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203659736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157507A (en) * | 2013-11-27 | 2014-11-19 | 黄俊龙 | Vacuum switch tube |
-
2013
- 2013-11-27 CN CN201320763705.XU patent/CN203659736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157507A (en) * | 2013-11-27 | 2014-11-19 | 黄俊龙 | Vacuum switch tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20161127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |