CN203910643U - Main shaft for vacuum circuit breaker - Google Patents
Main shaft for vacuum circuit breaker Download PDFInfo
- Publication number
- CN203910643U CN203910643U CN201420021480.5U CN201420021480U CN203910643U CN 203910643 U CN203910643 U CN 203910643U CN 201420021480 U CN201420021480 U CN 201420021480U CN 203910643 U CN203910643 U CN 203910643U
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- CN
- China
- Prior art keywords
- main shaft
- installation
- fixed part
- cross
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a main shaft for a vacuum circuit breaker, and aims at providing the main shaft which can effectively reduce the processing cost and is convenient to assemble. The main points of the technical scheme of the utility model are that the main shaft body is in a cylindrical structure; the basic shape of the outer periphery of the cross section of a connecting part is circular; an outer side wall of the connecting part is symmetrically provided with a first installation plane; the connecting part is provided with a first installation through hole; the cross section of an installation part and the cross section of a sealing part are circular; the sealing part is provided with a sealing groove; the basic shape of the outer periphery of the cross section of a fixed part is circular; the outer side wall of the fixed part is symmetrically provided with a second installation plane; and the fixed part is provided with a second installation through hole. The basic shape of the outer periphery of the cross section of the connecting part and the basic shape of the outer periphery of the cross section of the fixed part are circular, and the first and second installation planes provide force points. The main shaft provided by the utility model is simple in structure, is easy to achieve, is in favor of reducing the processing cost, and is convenient for cup-joint assembly.
Description
Technical field
The utility model relates to construction of switch design field, and more particularly, it relates to a kind of main shaft for vacuum circuit-breaker.
Background technology
Vacuum circuit-breaker because of its arc-extinguishing medium and arc extinguishing after the dielectric in contact gap be all that high vacuum is gained the name; It has advantages of that volume is little, lightweight, be applicable to frequent operation, arc extinguishing need not overhaul, and in power distribution network, application is comparatively universal.But more than existing vacuum circuit-breaker, exist the shortcoming that machining accuracy is high and assembly technology difficulty is high, its structure is needed optimization badly.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of main shaft for vacuum circuit-breaker, and this main shaft can effectively cut down finished cost and be easy to assembly.
For achieving the above object, the utility model provides following technical scheme: a kind of main shaft for vacuum circuit-breaker, comprise main shaft body, described main shaft body is provided with connecting portion successively, installation portion, sealing and fixed part, described main shaft body is cylindrical structure setting, the rounded structure setting of described connecting portion cross-sectional circumference basic configuration, this connecting portion lateral wall is arranged with the first mounting plane, described two first mounting planes and main shaft body axis parallel arrange, described connecting portion is provided with the first installation through hole that runs through two first mounting planes, the cross section of described installation portion and sealing is rounded structure setting all, sealing portion is provided with sealed groove, the rounded structure setting of described fixed part cross-sectional circumference basic configuration, this fixed part lateral wall is arranged with the second mounting plane, described two second mounting planes and main shaft body axis parallel arrange, described fixed part is provided with the second installation through hole that runs through two second mounting planes.
The outside dimension of described connecting portion, installation portion, sealing and fixed part is suitable.
Described sealing is provided with multiple sealed grooves.
A kind of main shaft for vacuum circuit-breaker, comprise main shaft body, described main shaft body is provided with connecting portion successively, installation portion, sealing and fixed part, described main shaft body is cylindrical structure setting, the rounded structure setting of described connecting portion cross-sectional circumference basic configuration, this connecting portion lateral wall is arranged with the first mounting plane, described two first mounting planes and main shaft body axis parallel arrange, described connecting portion is provided with the first installation through hole that runs through two first mounting planes, the cross section of described installation portion and sealing is rounded structure setting all, sealing portion is provided with sealed groove, the rounded structure setting of described fixed part cross-sectional circumference basic configuration, this fixed part lateral wall is arranged with the second mounting plane, described two second mounting planes and main shaft body axis parallel arrange, described fixed part is provided with the second installation through hole that runs through two second mounting planes.By adopting technique scheme, the rounded structure setting of connecting portion cross-sectional circumference basic configuration, facilitate the socket of external tumbler to connect, and the first mounting plane is conveniently for tumbler provides impetus, tumbler can not skidded on connecting portion, and this easy realization simple in structure, is conducive to cut down finished cost, can realize tumbler by the first installation through hole and be fixedly connected on connecting portion, prevent coming off of tumbler; The rounded structure setting of fixed part cross-sectional circumference basic configuration, facilitate the socket of inner spare and accessory parts to connect, and the second mounting plane is conveniently for inner spare and accessory parts provide impetus, inner spare and accessory parts can not skidded on fixed part, this easy realization simple in structure, be conducive to cut down finished cost, can realize inner spare and accessory parts by the second installation through hole and be fixedly connected on fixed part, prevent that inner spare and accessory parts from producing axial displacement.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model for the main shaft of vacuum circuit-breaker.
Reference numeral: 1, main shaft body; 11, connecting portion; 12, installation portion; 13, sealing; 14, fixed part; 111, the first mounting plane; 112, first through hole is installed; 131, sealed groove; 141, the second mounting plane; 142, second through hole is installed.
Embodiment
With reference to Fig. 1, the utility model is described further for the main shaft embodiment of vacuum circuit-breaker.
A kind of main shaft for vacuum circuit-breaker, comprise main shaft body 1, described main shaft body 1 is provided with connecting portion 11 successively, installation portion 12, sealing 13 and fixed part 14, described main shaft body 1 is cylindrical structure setting, the rounded structure setting of described connecting portion 11 cross-sectional circumference basic configuration, these connecting portion 11 lateral walls are arranged with the first mounting plane 111, described two first mounting planes 111 and the 1 axis parallel setting of main shaft body, described connecting portion 11 is provided with the first installation through hole 112 that runs through two first mounting planes 111, the cross section of described installation portion 12 and sealing 13 is rounded structure setting all, sealing portion 13 is provided with sealed groove 131, the rounded structure setting of described fixed part 14 cross-sectional circumference basic configuration, these fixed part 14 lateral walls are arranged with the second mounting plane 141, described two second mounting planes 141 and the 1 axis parallel setting of main shaft body, described fixed part 14 is provided with the second installation through hole 142 that runs through two second mounting planes 141.On market, the raw material of cylindrical structure are easy to production procurement, therefore can reduce purchase cost, reduce production costs, the rounded structure setting of connecting portion 11 cross-sectional circumference basic configuration, facilitate the socket of external tumbler to connect, and the first mounting plane 111 is conveniently for tumbler provides impetus, tumbler can not skidded on connecting portion 11, this easy realization simple in structure, be conducive to cut down finished cost, can realize tumbler by the first installation through hole 112 and be fixedly connected on connecting portion 11, prevent coming off of tumbler, the rounded installation portion 12 of cross section facilitates sheathed bearing, make main shaft body 1 can be in Shell of circuit breaker flexible rotating, sealing 13 is provided with sealed groove 131, in the seal of the interior sheathed O shape of sealed groove 131, makes sealing 13 realize the sealing of Shell of circuit breaker, and this easy realization simple in structure, inner spare and accessory parts can be sheathed on fixed part 14, carry out rotating spindle body 1 by external tumbler, make the inside spare and accessory parts that are sheathed on fixed part 14 realize the operating state opening and closing, and the rounded structure setting of fixed part 14 cross-sectional circumference basic configuration, facilitate the socket of inner spare and accessory parts to connect, and the second mounting plane 141 is conveniently for inner spare and accessory parts provide impetus, inner spare and accessory parts can not skidded on fixed part 14, this easy realization simple in structure, be conducive to cut down finished cost, can realize inner spare and accessory parts by the second installation through hole 142 is fixedly connected on fixed part 14, prevent that inner spare and accessory parts from producing axial displacement.
The outside dimension of described connecting portion 11, installation portion 12, sealing 13 and fixed part 14 is suitable.Reduce procedure of processing, without each position is machined to each size, reduced difficulty of processing simultaneously, also reduced production cost.
Described sealing 13 is provided with multiple sealed grooves 131.Multiple sealed grooves 131 are conducive to improve the sealing property of sealing 13.
Claims (3)
1. the main shaft for vacuum circuit-breaker, comprise main shaft body, described main shaft body is provided with connecting portion successively, installation portion, sealing and fixed part, it is characterized in that: described main shaft body is cylindrical structure setting, the rounded structure setting of described connecting portion cross-sectional circumference basic configuration, this connecting portion lateral wall is arranged with the first mounting plane, described two first mounting planes and main shaft body axis parallel arrange, described connecting portion is provided with the first installation through hole that runs through two first mounting planes, the cross section of described installation portion and sealing is rounded structure setting all, sealing portion is provided with sealed groove, the rounded structure setting of described fixed part cross-sectional circumference basic configuration, this fixed part lateral wall is arranged with the second mounting plane, described two second mounting planes and main shaft body axis parallel arrange, described fixed part is provided with the second installation through hole that runs through two second mounting planes.
2. the main shaft for vacuum circuit-breaker according to claim 1, is characterized in that: the outside dimension of described connecting portion, installation portion, sealing and fixed part is suitable.
3. the main shaft for vacuum circuit-breaker according to claim 1 and 2, is characterized in that: described sealing is provided with multiple sealed grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420021480.5U CN203910643U (en) | 2014-01-14 | 2014-01-14 | Main shaft for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420021480.5U CN203910643U (en) | 2014-01-14 | 2014-01-14 | Main shaft for vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910643U true CN203910643U (en) | 2014-10-29 |
Family
ID=51784898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420021480.5U Expired - Fee Related CN203910643U (en) | 2014-01-14 | 2014-01-14 | Main shaft for vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910643U (en) |
-
2014
- 2014-01-14 CN CN201420021480.5U patent/CN203910643U/en not_active Expired - Fee Related
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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: 20141029 Termination date: 20170114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |