CN205384982U - Interior guide structure and bellows subassembly and vacuum interrupter - Google Patents
Interior guide structure and bellows subassembly and vacuum interrupter Download PDFInfo
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- CN205384982U CN205384982U CN201521090564.5U CN201521090564U CN205384982U CN 205384982 U CN205384982 U CN 205384982U CN 201521090564 U CN201521090564 U CN 201521090564U CN 205384982 U CN205384982 U CN 205384982U
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- axis
- guide
- feather key
- corrugated tube
- bellows
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- 210000003746 feather Anatomy 0.000 claims abstract description 46
- 230000002093 peripheral effect Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Diaphragms And Bellows (AREA)
Abstract
The utility model provides an interior guide structure and bellows subassembly and vacuum interrupter, wherein, the bellows subassembly includes the bellows and locates the interior guide structure in the bellows, guiding axle and uide bushing that interior guide structure extends around including are equipped with on the outer peripheral face of guiding axle from the guide way of guiding axle front end face ranging back, be equipped with on the uide bushing with guide way rear in the front moves the complex feather key to the direction, and the lateral surface of feather key and the outer peripheral face of guiding axle lie in on the same periphery and be used for supporting the inner wall of bellows, and the direction shift motion of guiding axle and uide bushing is greater than the flexible stroke of bellows. Thereby can support the inner wall of bellows at the lateral surface of the outer peripheral face of the flexible in -process guiding axle of bellows and feather key and avoid the bellows to take place radial atress warping, improved the stability that the bellows stretches out and draws back the in -process.
Description
Technical field
This utility model relates to a kind of interior guide frame and uses bellows component and the vacuum interrupter of this interior guide frame.
Background technology
Flexible member such as corrugated tube, telescopic joint etc. often occur in engineer applied, and these flexible member Main Functions are the annexations ensureing two end connections in the process of telescopic moving.When the flexible stroke of flexible member is bigger, especially when ambient pressure environment is more than flexible member internal pressure, the stability in flexible member motor process hardly results in guarantee, it is easy to radial deformation occurs because local pressure is excessive, or distortion, even causes damage parts.For vacuum arc extinguishing chamber corrugated tube, when electric pressure is relatively low, Bellows Length and flexible stroke are all less, and the guide frame of local still can meet demand.But along with increasing of electric pressure, Bellows Length is continuously increased, and stroke is also continuously increased, in the flexible stroke of corrugated tube, often because being there is radial deformation by the external gas pressure effect in the tube wall of corrugated tube.
Utility model content
The purpose of this utility model is in that to provide a kind of interior guide frame in the flexible stroke of corrugated tube, corrugated tube inwall can being supported；Meanwhile, this utility model additionally provides a kind of bellows component using this interior guide frame；This utility model additionally provides a kind of vacuum interrupter using this bellows component.
In order to solve above-mentioned technical problem, interior guide frame of the present utility model adopts the following technical scheme that guide frame in one, the axis of guide extended including front and back and fairlead, the outer peripheral face of the axis of guide is provided with the gathering sill extended back from axis of guide front end face, fairlead is provided with the feather key coordinated with described gathering sill at fore-and-aft direction guiding movement, the lateral surface of feather key and the outer peripheral face of the axis of guide are positioned on same periphery and for supporting the guiding movement stroke flexible stroke more than corrugated tube of the inwall of corrugated tube, the axis of guide and fairlead.
Described feather key has more than three and arranges at circumference uniform intervals.
Gathering sill is fan groove, and the center of circle corresponding to fan groove is positioned on the axis of the axis of guide, and feather key is fan-shaped key, the equal diameters of the intrados place circumference of the diameter of the bottom land place circumference of described fan groove and fan-shaped key block.
Bellows component of the present utility model adopts the following technical scheme that a kind of bellows component, including corrugated tube and the interior guide frame being located in corrugated tube, described interior guide frame includes the axis of guide and the fairlead that front and back extend, the outer peripheral face of the axis of guide is provided with the gathering sill extended back from axis of guide front end face, fairlead is provided with the feather key coordinated with described gathering sill at fore-and-aft direction guiding movement, the lateral surface of feather key and the outer peripheral face of the axis of guide be positioned on same periphery and with the contact internal walls of corrugated tube, the guiding movement stroke of the axis of guide and fairlead is more than the flexible stroke of corrugated tube.
Described feather key has more than three and arranges at circumference uniform intervals.
Gathering sill is fan groove, and the center of circle corresponding to fan groove is positioned on the axis of the axis of guide, and feather key is fan-shaped key, the equal diameters of the intrados place circumference of the diameter of the bottom land place circumference of described fan groove and fan-shaped key block.
Vacuum interrupter of the present utility model adopts the following technical scheme that a kind of vacuum interrupter, including the bellows component being located in arc-chutes, described bellows component includes corrugated tube and the interior guide frame being located in corrugated tube, described interior guide frame includes the axis of guide and the fairlead that front and back extend, the outer peripheral face of the axis of guide is provided with the gathering sill extended back from axis of guide front end face, fairlead is provided with the feather key coordinated with described gathering sill at fore-and-aft direction guiding movement, the lateral surface of feather key and the outer peripheral face of the axis of guide are positioned on same periphery and for supporting the inwall of corrugated tube, the guiding movement stroke of the axis of guide and fairlead is more than the flexible stroke of corrugated tube.
Described feather key has more than three and arranges at circumference uniform intervals.
Gathering sill is fan groove, and the center of circle corresponding to fan groove is positioned on the axis of the axis of guide, and feather key is fan-shaped key, the equal diameters of the intrados place circumference of the diameter of the bottom land place circumference of described fan groove and fan-shaped key block.
Interior guide frame it is provided with in the corrugated tube of vacuum interrupter of the present utility model, the axis of guide outer peripheral face of interior guide frame is provided with the gathering sill that front and back extend, the fairlead of interior guide frame is provided with the feather key coordinated with gathering sill guiding movement, the lateral surface of feather key is positioned on the outer peripheral face of the axis of guide, the lateral surface of feather key and the outer peripheral face of the axis of guide all with the contact internal walls of corrugated tube, in corrugated tube telescopic process, the inwall of corrugated tube can be supported thus avoiding corrugated tube that stress deformation radially occurs by the outer peripheral face of the axis of guide and the lateral surface of feather key, improve the stability in corrugated tube telescopic process.
Accompanying drawing explanation
Fig. 1 is the structural representation of bellows component embodiment one of the present utility model；
Fig. 2 is the structural representation of fairlead in Fig. 1；
Fig. 3 is the schematic cross-section of fairlead；
Fig. 4 is the structural representation of the axis of guide in Fig. 1；
Fig. 5 is the schematic cross-section of the axis of guide.
Detailed description of the invention
The embodiment one of vacuum interrupter of the present utility model: include the bellows component being located in arc-chutes, the structure of bellows component is as it is shown in figure 1, include corrugated tube 3 and the interior guide frame being located in corrugated tube 3.Wherein, interior guide frame include before and after the axis of guide 1 that extends and the end that is located remotely from each other of fairlead 2, the axis of guide 1 and fairlead 2 is fixing with corrugated tube inwall respectively is connected.The outer peripheral face of the axis of guide 1 is provided with the gathering sill 11 extended back from axis of guide front end face, and fairlead 2 is provided with the feather key 20 coordinated with gathering sill 11 at fore-and-aft direction guiding movement.The outer peripheral face of the lateral surface of feather key 20 and the axis of guide 1 is positioned on same periphery, and the outer peripheral face of the outer peripheral face of feather key 20 and the axis of guide 1 all with the contact internal walls of corrugated tube 3, carry out radial direction support with the tube wall to corrugated tube 3.
Specifically, as Figure 2-3, the axis of guide 1 includes the cylindrical body that front and back extend, and the front end face of cylindrical body is provided with the centre bore 14 extended axially rearward, and centre bore 14 makes the overall weight of the axis of guide 1 alleviate.Gathering sill 11 is the fan groove that circumference uniform intervals is located at centre bore 14 periphery, and fan groove has 6, and the center of circle that fan groove is corresponding is positioned on the axis of the axis of guide, and adjacent two fan grooves are separated by spaced walls 10.The length of gathering sill 11 is less than the length of cylindrical body, and namely gathering sill 11 does not extend rearward on the rear end face of cylindrical body.
As illustrated in figures 4-5, fairlead 2 includes the cylindric body that front and back extend, and the front end of cylindric body is closed, open rearward end.The diameter of bore of cylindric body and the equal diameters of the intrados place circumference of fan groove, on the barrel of cylindric body, circumference uniform intervals is provided with 6 interval troughs 20, interval trough 20 is extended axially forward by the rear end of barrel, interval trough 20 crosses the sector of fairlead axis for the center of circle, 6 sector portion that barrel is divided into by 6 interval troughs 20, are feather key 21.
The outer peripheral face equal diameters of the cylindric body of the outer peripheral face of the cylindrical body of the axis of guide and fairlead, namely equal with the arc external side place circle diameter of feather key, when the axis of guide and fairlead load in corrugated tube, the outer peripheral face of the axis of guide and the lateral surface of feather key are all supported with corrugated tube contact internal walls and to the tube wall of corrugated tube, it is to avoid corrugated tube generation radial deformation.Gathering sill and guiding key length are all higher than the flexible stroke of corrugated tube, and in the whole flexible stroke of corrugated tube, fairlead and the axis of guide can pass through plugging together and corrugated tube being led of feather key and gathering sill.
In above-described embodiment, the length of gathering sill is less than the length of the axis of guide, in other embodiments, gathering sill can before and after extend respectively to the front/rear end of the axis of guide, namely length is equal with axis of guide length；In above-described embodiment, feather key and gathering sill are sector, and in other embodiments, the cross sectional shape of feather key and gathering sill can be circular or rectangle etc.；In above-described embodiment, feather key has six, in other embodiments, the number of feather key can be one to five or more than seven, consider that just can determine that a circumference at 3, in order to ensure the feather key effect to the support limit of corrugated tube inwall, the number of feather key had better not less than three；In above-described embodiment, gathering sill and feather key are uniformly distributed, and in other embodiments, feather key and gathering sill can also uneven distributions.
The bellows component simple in construction of vacuum interrupter of the present utility model, easy to use, it is possible in whole flexible stroke, corrugated tube to be led by interior guide frame, the tube wall of corrugated tube is supported spacing simultaneously, avoid the tube wall generation radial deformation of corrugated tube, extend service life.
The embodiment of bellows component of the present utility model: its concrete structure is identical with the bellows component structure in the embodiment of above-mentioned vacuum interrupter, repeats no more herein.
The embodiment of interior guide frame of the present utility model: its concrete structure is identical with the interior guide frame in the embodiment of above-mentioned vacuum interrupter, repeats no more herein.
Claims (9)
1. guide frame in a kind, it is characterized in that, the axis of guide extended including front and back and fairlead, the outer peripheral face of the axis of guide is provided with the gathering sill extended back from axis of guide front end face, fairlead is provided with the feather key coordinated with described gathering sill at fore-and-aft direction guiding movement, the lateral surface of feather key and the outer peripheral face of the axis of guide are positioned on same periphery and for supporting the guiding movement stroke flexible stroke more than corrugated tube of the inwall of corrugated tube, the axis of guide and fairlead.
2. interior guide frame according to claim 1, it is characterised in that described feather key has more than three and arranges at circumference uniform intervals.
3. interior guide frame according to claim 2, it is characterized in that, gathering sill is fan groove, and the center of circle corresponding to fan groove is positioned on the axis of the axis of guide, feather key is fan-shaped key, the equal diameters of the intrados place circumference of the diameter of the bottom land place circumference of described fan groove and fan-shaped key block.
4. a bellows component, including corrugated tube and the interior guide frame being located in corrugated tube, it is characterized in that, described interior guide frame includes the axis of guide and the fairlead that front and back extend, the outer peripheral face of the axis of guide is provided with the gathering sill extended back from axis of guide front end face, fairlead is provided with the feather key coordinated with described gathering sill at fore-and-aft direction guiding movement, the lateral surface of feather key and the outer peripheral face of the axis of guide are positioned on same periphery and for supporting the guiding movement stroke flexible stroke more than corrugated tube of the inwall of corrugated tube, the axis of guide and fairlead.
5. bellows component according to claim 4, it is characterised in that described feather key has more than three and arranges at circumference uniform intervals.
6. bellows component according to claim 5, it is characterized in that, gathering sill is fan groove, and the center of circle corresponding to fan groove is positioned on the axis of the axis of guide, feather key is fan-shaped key, the equal diameters of the intrados place circumference of the diameter of the bottom land place circumference of described fan groove and fan-shaped key block.
7. a vacuum interrupter, including the bellows component being located in arc-chutes, described bellows component includes corrugated tube and the interior guide frame being located in corrugated tube, it is characterized in that, described interior guide frame includes the axis of guide and the fairlead that front and back extend, the outer peripheral face of the axis of guide is provided with the gathering sill extended back from axis of guide front end face, fairlead is provided with the feather key coordinated with described gathering sill at fore-and-aft direction guiding movement, the lateral surface of feather key and the outer peripheral face of the axis of guide are positioned on same periphery and for supporting the inwall of corrugated tube, the guiding movement stroke of the axis of guide and fairlead is more than the flexible stroke of corrugated tube.
8. vacuum interrupter according to claim 7, it is characterised in that described feather key has more than three and arranges at circumference uniform intervals.
9. vacuum interrupter according to claim 8, it is characterized in that, gathering sill is fan groove, and the center of circle corresponding to fan groove is positioned on the axis of the axis of guide, feather key is fan-shaped key, the equal diameters of the intrados place circumference of the diameter of the bottom land place circumference of described fan groove and fan-shaped key block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521090564.5U CN205384982U (en) | 2015-12-24 | 2015-12-24 | Interior guide structure and bellows subassembly and vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521090564.5U CN205384982U (en) | 2015-12-24 | 2015-12-24 | Interior guide structure and bellows subassembly and vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384982U true CN205384982U (en) | 2016-07-13 |
Family
ID=56337276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521090564.5U Withdrawn - After Issue CN205384982U (en) | 2015-12-24 | 2015-12-24 | Interior guide structure and bellows subassembly and vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513885A (en) * | 2015-12-24 | 2016-04-20 | 平高集团有限公司 | Internal guiding structure, corrugated pipe assembly and vacuum arc extinguishing chamber |
-
2015
- 2015-12-24 CN CN201521090564.5U patent/CN205384982U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513885A (en) * | 2015-12-24 | 2016-04-20 | 平高集团有限公司 | Internal guiding structure, corrugated pipe assembly and vacuum arc extinguishing chamber |
| CN105513885B (en) * | 2015-12-24 | 2018-09-21 | 平高集团有限公司 | Interior guide frame and bellows component and vacuum interrupter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160713 Effective date of abandoning: 20180921 |
|
| AV01 | Patent right actively abandoned |