CN204332807U - A kind of vacuum circuit-breaker and vacuum interrupter thereof and moving conductive rod mounting structure - Google Patents
A kind of vacuum circuit-breaker and vacuum interrupter thereof and moving conductive rod mounting structure Download PDFInfo
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- CN204332807U CN204332807U CN201420801488.3U CN201420801488U CN204332807U CN 204332807 U CN204332807 U CN 204332807U CN 201420801488 U CN201420801488 U CN 201420801488U CN 204332807 U CN204332807 U CN 204332807U
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- conductive rod
- moving conductive
- fairlead
- mounting structure
- vacuum interrupter
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Abstract
The utility model relates to a kind of vacuum circuit-breaker and vacuum interrupter thereof and moving conductive rod mounting structure, a kind of moving conductive rod mounting structure of vacuum interrupter, comprise moving conductive rod and be sheathed on the fairlead on moving conductive rod, the length of moving conductive rod extends in left-right direction, the left end end face of moving conductive rod forms conduction end face, moving conductive rod is provided with the guide key groove that length extends in left-right direction, and the left cell wall of guide key groove is arranged with conduction end surfaces; Fairlead is convexly equipped with for loading along the radial direction of moving conductive rod in guide key groove to lead the guide protrusions be slidably matched with guide key groove.The moving conductive rod mounting structure of a kind of vacuum interrupter of the present utility model without the need to by guide key groove milling to the conduction end face of moving conductive rod, moving conductive rod mounting structure in relative contrast's file, do not lose the area of the conduction end face of moving conductive rod, the loss of the diameter of moving conductive rod can not be caused, the increase of the cost of moving conductive rod can not be caused, there is good economic benefit.
Description
Technical field
The utility model relates to vacuum circuit-breaker technical field, particularly relates to a kind of vacuum circuit-breaker and vacuum interrupter thereof and moving conductive rod mounting structure.
Background technology
In recent years along with the development of pole and ring main unit technology, the setting height(from bottom) of vacuum interrupter reduces gradually.The moved end connected mode of vacuum interrupter gradually changes slip (or conical surface) connection into from the connection of general conductive clip and is connected with end face.
The vacuum interrupter of prior art, as shown in Figure 1, it comprises moving conductive rod mounting structure, moving conductive rod mounting structure comprises moving conductive rod 4, fairlead and retainer ring, the left end end face of moving conductive rod forms conduction end face 8, moving conductive rod is provided with the guide key groove that length extends in left-right direction, and the left cell wall of guide key groove extends on above-mentioned conduction end face.The endoporus of above-mentioned fairlead is provided with feather key.
When mounted, first by retainer ring soldering on the moved end cover plate of vacuum interrupter, then be sheathed on moving conductive rod by fairlead, feather key slips in guide key groove by above-mentioned conduction end face, last fairlead is assemblied in retainer ring, and the oral area of retainer ring fixes fairlead by reducing.
Because guide key groove milling is to the conduction end face of moving conductive rod, this reduces the conductive area of the conduction end face of moving conductive rod, reduce its through-flow energy ability and temperature rise is improved.When the conductive area of conduction end face is not enough, just need the diameter increasing moving conductive rod, the cost of such moving conductive rod will increase, and is unfavorable for effective utilization of metal material, even also can increase volume and the processing and manufacturing cost of whole vacuum interrupter.
Summary of the invention
The purpose of this utility model is to provide a kind of moving conductive rod mounting structure not losing the vacuum interrupter of the conduction face area of moving conductive rod.Meanwhile, the utility model additionally provides a kind of vacuum interrupter and the vacuum circuit-breaker that use this moving conductive rod mounting structure.
For achieving the above object, the moving conductive rod mounting structure of a kind of vacuum interrupter of the present utility model adopts following technical scheme: a kind of moving conductive rod mounting structure of vacuum interrupter, comprise moving conductive rod and be sheathed on the fairlead on moving conductive rod, the length of described moving conductive rod extends in left-right direction, the left end end face of described moving conductive rod forms conduction end face, described moving conductive rod is provided with the guide key groove that length extends in left-right direction, and left cell wall and the described conduction end surfaces of described guide key groove are arranged; Described fairlead is convexly equipped with for loading along the radial direction of described moving conductive rod in described guide key groove to lead the guide protrusions be slidably matched with guide key groove.
Described fairlead comprises fairlead body and feather key, described fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, described feather key have pass described radial mounting groove after stretch into end in the endoporus of described fairlead body, this end forms described guide protrusions.
Described fairlead body is arranged with the retainer ring coordinating with the outer end limit block of described feather key to prevent described feather key from deviating from described radial mounting groove.
A kind of vacuum interrupter of the present utility model adopts following technical scheme: a kind of vacuum interrupter, comprise moving conductive rod mounting structure, moving conductive rod mounting structure comprises moving conductive rod and is sheathed on the fairlead on moving conductive rod, the length of described moving conductive rod extends in left-right direction, the left end end face of described moving conductive rod forms conduction end face, described moving conductive rod is provided with the guide key groove that length extends in left-right direction, and left cell wall and the described conduction end surfaces of described guide key groove are arranged; Described fairlead is convexly equipped with for loading along the radial direction of described moving conductive rod in described guide key groove to lead the guide protrusions be slidably matched with guide key groove.
Described fairlead comprises fairlead body and feather key, described fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, described feather key have pass described radial mounting groove after stretch into end in the endoporus of described fairlead body, this end forms described guide protrusions.
Described fairlead body is arranged with the retainer ring coordinating with the outer end limit block of described feather key to prevent described feather key from deviating from described radial mounting groove.
A kind of vacuum circuit-breaker of the present utility model adopts following technical scheme: a kind of vacuum circuit-breaker, comprise vacuum interrupter, vacuum interrupter comprises moving conductive rod mounting structure, moving conductive rod mounting structure comprises moving conductive rod and is sheathed on the fairlead on moving conductive rod, the length of described moving conductive rod extends in left-right direction, the left end end face of described moving conductive rod forms conduction end face, described moving conductive rod is provided with the guide key groove that length extends in left-right direction, and left cell wall and the described conduction end surfaces of described guide key groove are arranged; Described fairlead is convexly equipped with for loading along the radial direction of described moving conductive rod in described guide key groove to lead the guide protrusions be slidably matched with guide key groove.
Described fairlead comprises fairlead body and feather key, described fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, described feather key have pass described radial mounting groove after stretch into end in the endoporus of described fairlead body, this end forms described guide protrusions.
Described fairlead body is arranged with the retainer ring coordinating with the outer end limit block of described feather key to prevent described feather key from deviating from described radial mounting groove.
The moving conductive rod mounting structure of a kind of vacuum interrupter of the present utility model is used for loading in guide key groove along the radial direction of moving conductive rod to lead the guide protrusions be slidably matched with guide key groove by projection on fairlead, the left cell wall of guide key groove is arranged with conduction end surfaces, due to this set without the need to by guide key groove milling to the conduction end face of moving conductive rod, moving conductive rod mounting structure in relative contrast's file, do not lose the area of the conduction end face of moving conductive rod, the loss of the diameter of moving conductive rod can not be caused, the increase of the cost of moving conductive rod can not be caused, there is good economic benefit.
Further, fairlead of the present utility model comprises fairlead body and feather key, fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, feather key have pass radial mounting groove after stretch into end in the endoporus of fairlead body, this end forms guide protrusions, this set due to fairlead be split-type structural, fairlead body and feather key can adopt different machining accuracies, different materials respectively, are conducive to reducing processing and manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum interrupter of the prior art;
Fig. 2 is the part-structure schematic diagram of a kind of embodiment of vacuum interrupter of the present utility model;
Fig. 3 is the A-A cutaway view in Fig. 2.
Embodiment
A kind of vacuum interrupter as shown in Figure 2,3, comprise the airtight insulation crust that axis extends in left-right direction, two ends, the left and right correspondence of airtight insulation crust is provided with moved end cover plate 1 and quiet end casing, and quiet end casing is installed with static conductive rod, and moved end cover plate is provided with moving conductive rod mounting structure.
Above-mentioned moving conductive rod mounting structure comprises the moving conductive rod that length extends in left-right direction, moving conductive rod is arranged with fairlead body 3, and the left end end face of moving conductive rod forms conduction end face 8.Moving conductive rod 4 is provided with the guide key groove 6 that length extends in left-right direction, and left cell wall and the above-mentioned conduction end surfaces of guide key groove are arranged.Above-mentioned fairlead is convexly equipped with for loading along the radial direction of moving conductive rod in guide key groove to lead the guide protrusions be slidably matched with guide key groove.
In the present embodiment, above-mentioned fairlead comprises fairlead body 3 and feather key 5, fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, above-mentioned feather key have pass radial mounting groove after stretch into end in the endoporus of fairlead body, this end forms above-mentioned guide protrusions.Certainly, in other embodiments, above-mentioned fairlead can also adopt other version, as fairlead comprises, lower fairlead part, upper fairlead part has the upper groove that vertical cross-section is upper circular arc, lower fairlead part has the low groove that vertical cross-section is lower circular arc, on, low groove is combined to form the full circle for wearing moving conductive rod, the upper groove of above-mentioned upper fairlead part is convexly equipped with guide protrusions, in use, on, lower fairlead part is involutory up and down makes above-mentioned guide protrusions enter in the gathering sill of moving conductive rod along the radial plug-in mounting of moving conductive rod.
In the present embodiment, above-mentioned radial mounting groove comprises two mounting groove parts, and the axisymmetrical of two relative fairleads of mounting groove part is arranged, and above-mentioned guide key groove comprises two guide key groove parts arranged with above-mentioned mounting groove part one_to_one corresponding.So in use, corresponding loading feather key in two mounting groove parts, conducting rod is erected by two feather keys, guide post does not contact with fairlead body, this just can prevent from conducting rod and fairlead body from producing rubbing, cause the phenomenon of the wearing and tearing of fairlead body to occur, the useful life of fairlead body can be extended.Certainly, in other embodiments, above-mentioned radial mounting groove can also comprise plural mounting groove part, and mounting groove part is laid around the circumferential interval of fairlead body.In other embodiments, above-mentioned radial mounting groove can also comprise a mounting groove part.
Above-mentioned fairlead body is arranged with retainer ring 2, and retainer ring coordinates the retainer ring preventing feather key from deviating from radial mounting groove with the outer end limit block of above-mentioned feather key.
The bottom surface of above-mentioned fairlead body is provided with two spacing pits, the lower end of above-mentioned retainer ring be provided with bend inwards first in turn edge in 7, second and turn edge, turn edge in first, second and to arrange with above-mentioned two spacing pit one_to_one corresponding, turn edge in first, second and coordinate with the face block of corresponding spacing pit in moving conductive rod radial direction respectively, to carry out radial limit block to fairlead body.Above-mentioned spacing pit runs through the outer peripheral face of fairlead, and this set both facilitated production and processing, can ensure when without the need to accurately aiming at again, is inserted in corresponding spacing pit portion by turning edge in first, second rapidly, time saving and energy saving.
The utility model additionally provides a kind of moving conductive rod mounting structure of vacuum interrupter, and the moving conductive rod mounting structure of this vacuum interrupter is consistent with the structure of above-mentioned moving conductive rod mounting structure, does not repeat them here.
Meanwhile, the utility model additionally provides a kind of vacuum circuit-breaker, comprises operating mechanism and vacuum interrupter, and the structure of this vacuum interrupter is consistent with the structure of above-mentioned a kind of vacuum interrupter, does not repeat them here.
The present embodiment when mounted, first by retainer ring soldering on the moved end cover plate of vacuum interrupter, again fairlead body is sheathed on moving conductive rod body, two feather keys are loaded in corresponding mounting groove part by the radial direction of fairlead body, last fairlead body drives two feather keys to load together in retainer ring to the right, turn edge in first, second and be inserted in corresponding spacing pit, finally retainer ring oral area is fixed fairlead by reducing mode.
Claims (9)
1. the moving conductive rod mounting structure of a vacuum interrupter, comprise moving conductive rod and be sheathed on the fairlead on moving conductive rod, the length of described moving conductive rod extends in left-right direction, the left end end face of described moving conductive rod forms conduction end face, described moving conductive rod is provided with the guide key groove that length extends in left-right direction, it is characterized in that: left cell wall and the described conduction end surfaces of described guide key groove are arranged; Described fairlead is convexly equipped with for loading along the radial direction of described moving conductive rod in described guide key groove to lead the guide protrusions be slidably matched with guide key groove.
2. the moving conductive rod mounting structure of a kind of vacuum interrupter according to claim 1, it is characterized in that: described fairlead comprises fairlead body and feather key, described fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, described feather key have pass described radial mounting groove after stretch into end in the endoporus of described fairlead body, this end forms described guide protrusions.
3. the moving conductive rod mounting structure of a kind of vacuum interrupter according to claim 2, is characterized in that: described fairlead body is arranged with the retainer ring coordinating with the outer end limit block of described feather key to prevent described feather key from deviating from described radial mounting groove.
4. a vacuum interrupter, comprise moving conductive rod mounting structure, moving conductive rod mounting structure comprises moving conductive rod and is sheathed on the fairlead on moving conductive rod, the length of described moving conductive rod extends in left-right direction, the left end end face of described moving conductive rod forms conduction end face, described moving conductive rod is provided with the guide key groove that length extends in left-right direction, it is characterized in that: left cell wall and the described conduction end surfaces of described guide key groove are arranged; Described fairlead is convexly equipped with for loading along the radial direction of described moving conductive rod in described guide key groove to lead the guide protrusions be slidably matched with guide key groove.
5. a kind of vacuum interrupter according to claim 4, it is characterized in that: described fairlead comprises fairlead body and feather key, described fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, described feather key have pass described radial mounting groove after stretch into end in the endoporus of described fairlead body, this end forms described guide protrusions.
6. a kind of vacuum interrupter according to claim 5, is characterized in that: described fairlead body is arranged with the retainer ring coordinating with the outer end limit block of described feather key to prevent described feather key from deviating from described radial mounting groove.
7. a vacuum circuit-breaker, comprise vacuum interrupter, vacuum interrupter comprises moving conductive rod mounting structure, moving conductive rod mounting structure comprises moving conductive rod and is sheathed on the fairlead on moving conductive rod, the length of described moving conductive rod extends in left-right direction, the left end end face of described moving conductive rod forms conduction end face, and described moving conductive rod is provided with the guide key groove that length extends in left-right direction, it is characterized in that: left cell wall and the described conduction end surfaces of described guide key groove are arranged; Described fairlead is convexly equipped with for loading along the radial direction of described moving conductive rod in described guide key groove to lead the guide protrusions be slidably matched with guide key groove.
8. a kind of vacuum circuit-breaker according to claim 7, it is characterized in that: described fairlead comprises fairlead body and feather key, described fairlead body be provided with the degree of depth along fairlead body radial direction extend and the radial mounting groove be communicated with the endoporus of fairlead body, described feather key have pass described radial mounting groove after stretch into end in the endoporus of described fairlead body, this end forms described guide protrusions.
9. a kind of vacuum circuit-breaker according to claim 8, is characterized in that: described fairlead body is arranged with the retainer ring coordinating with the outer end limit block of described feather key to prevent described feather key from deviating from described radial mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801488.3U CN204332807U (en) | 2014-12-16 | 2014-12-16 | A kind of vacuum circuit-breaker and vacuum interrupter thereof and moving conductive rod mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801488.3U CN204332807U (en) | 2014-12-16 | 2014-12-16 | A kind of vacuum circuit-breaker and vacuum interrupter thereof and moving conductive rod mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332807U true CN204332807U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420801488.3U Withdrawn - After Issue CN204332807U (en) | 2014-12-16 | 2014-12-16 | A kind of vacuum circuit-breaker and vacuum interrupter thereof and moving conductive rod mounting structure |
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| Country | Link |
|---|---|
| CN (1) | CN204332807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517774A (en) * | 2014-12-16 | 2015-04-15 | 天津平高智能电气有限公司 | Vacuum circuit breaker, vacuum arc extinguishing chamber thereof and movable conducting rod mounting structure |
| CN110896011A (en) * | 2019-10-31 | 2020-03-20 | 许昌许继软件技术有限公司 | Arc extinguish chamber structure and solid-sealed polar pole using same |
-
2014
- 2014-12-16 CN CN201420801488.3U patent/CN204332807U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517774A (en) * | 2014-12-16 | 2015-04-15 | 天津平高智能电气有限公司 | Vacuum circuit breaker, vacuum arc extinguishing chamber thereof and movable conducting rod mounting structure |
| CN110896011A (en) * | 2019-10-31 | 2020-03-20 | 许昌许继软件技术有限公司 | Arc extinguish chamber structure and solid-sealed polar pole using same |
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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: 20150513 Effective date of abandoning: 20170524 |
|
| AV01 | Patent right actively abandoned |