CN201887372U - Safety valve of a withdrawable circuit breaker - Google Patents
Safety valve of a withdrawable circuit breaker Download PDFInfo
- Publication number
- CN201887372U CN201887372U CN2010202524009U CN201020252400U CN201887372U CN 201887372 U CN201887372 U CN 201887372U CN 2010202524009 U CN2010202524009 U CN 2010202524009U CN 201020252400 U CN201020252400 U CN 201020252400U CN 201887372 U CN201887372 U CN 201887372U
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- CN
- China
- Prior art keywords
- valve
- movable frame
- split
- circuit breaker
- guide vane
- 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 safety valve of a withdrawable circuit breaker, comprising a fixed frame, a movable frame and a valve, wherein the fixed frame is fixedly connected with the perimeter of an electrified pile head of the withdrawable circuit breaker, the rear end of the movable frame is connected with the fixed frame by a guide rail moving pair, the front end of the movable frame covers the valve and the valve comprises two valve split bodies symmetrically arranged on the movable frame in a split way and the valve split bodies rotate at a certain angle along the movable frame in a mirror way, therefore mutual conversion of the closing-opening state of the two valve split bodies is realized. When the circuit breaker is pulled from the electrified pile, the electrified pile is insulated from the outside environment by the coverage of the valve; when the circuit breaker main body is to contact with a electrified rotation head to realize circuit turn-on, the two valve split bodies rotate along the opposite way to open the valve and the effective electric connection of the circuit breaker main body and the electrified pile is ensured.
Description
Technical field
The utility model relates to a kind of safety valve of withdrawable circuit breaker.
Background technology
Circuit breaker is used for connecting the internal circuit and the externally fed circuit of certain limit, and role is equivalent to master switch.Convenient for Maintenance and Repair, often use withdrawable circuit breaker at present.Withdrawable circuit breaker generally comprises two parts, the fixing drawout chassis and the breaker body of drawer type.Circuit on the drawout chassis links to each other with main circuit, and in maintenance process, the charged pile crown of the drawout chassis that links to each other with main circuit is in electriferous state, needs insulation protection to injure so as to avoid an accident.
The utility model content
The utility model provides a kind of safety valve of withdrawable circuit breaker at the deficiencies in the prior art, to guarantee closure when breaker body is extracted drawout chassis out, with charged pile crown and the external isolation on the drawout chassis; When pushing drawout chassis, opens breaker body, so that the major loop of drawout chassis and breaker body partly is connected.
For realizing above technical purpose, the utility model will be taked following technical scheme:
A kind of withdrawable circuit breaker safety valve, comprise fixed frame and movable frame, described fixed frame is fixedly mounted on the charged pile crown periphery of withdrawable circuit breaker, described movable frame rear end is connected with fixed frame by the guide rail moving sets, the movable frame front end then is coated with valve, described valve comprises and is arranged at up and down two valve splits of both sides of movable frame symmetrically respectively, the two ends of each fan valve split all are provided with picks up the ears, and the two ends of each fan valve split are picked up the ears hinged with limit, the movable frame left and right sides respectively, the two ends of each fan valve split pick up the ears to be connected by the elastic stretching parts with limit, the movable frame left and right sides all respectively simultaneously, in addition, also be provided with between fixed frame and the movable frame and be used for movable frame resetting device that movable frame resets and the valve anglec of rotation position-limit mechanism that is used to limit the valve split anglec of rotation, and valve anglec of rotation position-limit mechanism is positioned on the symmetrical center line of two valve splits, and the picking up the ears of every fan valve split simultaneously contacts with this valve anglec of rotation position-limit mechanism.
Described movable frame resetting device comprises the stage clip mount pad and places the interior stage clip of this stage clip mount pad, the split of described stage clip mount pad is set to the first stage clip mount pad split and the second stage clip mount pad split, and the first stage clip mount pad split is arranged on the movable frame, and the second stage clip mount pad split then is arranged on the fixed frame.
Described valve anglec of rotation position-limit mechanism comprise valve anglec of rotation guide vane end stop and with the suitable semiclosed guide vane end stop housing of this valve anglec of rotation guide vane end stop, the described semiclosed guide vane end stop housing side breach adjacent with valve anglec of rotation guide vane end stop is provided with.
Described valve anglec of rotation guide vane end stop is arranged on the side of fixed frame, and semiclosed guide vane end stop housing then is arranged at the side of movable frame accordingly, and the two ends of elastic stretching parts respectively with the valve split pick up the ears and semiclosed guide vane end stop housing is connected.
Described valve anglec of rotation guide vane end stop is arranged on the side of movable frame, semiclosed guide vane end stop housing then is arranged at the side of fixed frame accordingly, and the two ends of elastic stretching parts respectively with the valve split pick up the ears and valve anglec of rotation guide vane end stop is connected.
Described guide rail moving sets comprises locked groove and the dead bolt that can move along this locked groove, and described locked groove is arranged at the upper end outer surface of fixed frame, and dead bolt then is arranged at the rear end face of movable frame.
Described elastic stretching parts are extension spring.
According to above technical scheme, can realize following beneficial effect:
The utility model is by adopting two hinged with movable frame respectively valve splits, when breaker body feasible and that movable frame is inconsistent is extracted out, under the effect of movable frame resetting device, the valve framework goes out by the slippage from fixed frame of guide rail moving sets, driving the valve split end of picking up the ears simultaneously moves along valve anglec of rotation position-limit mechanism, to promote valve split rotation, make symmetrically arranged two valve splits progressively change to closure state from separated position, and under the tension of elastic stretching parts, two valve splits can be when breaker body detaches charged pile crown, keep closure, guarantee charged pile crown and external isolation, avoid the generation of electric shock contingency in the maintenance process; And when breaker body pushes, can impel two valve splits to change to separated position from closure state, guarantee that breaker body is connected with charged pile crown.
Description of drawings
Fig. 1 is the drawout chassis overall diagram of circuit breaker;
Fig. 2 is the building block detail drawing of the utility model safety valve;
Fig. 3 is in the perspective view of closure state for the utility model safety valve;
When Fig. 4 was in closure state for the utility model safety valve, semiclosed guide vane end stop housing was peeled off the structural representation of elastic stretching parts connecting portion;
Fig. 5 is in the perspective view of open mode for the utility model safety valve;
When Fig. 6 was in open mode for the utility model safety valve, semiclosed guide vane end stop housing was peeled off the structural representation of elastic stretching parts connecting portion;
Wherein, the charged pile crown 1 fixed frame 2 movable frames 3 circuit breaker contact-making surfaces 31 valve splits 4 41 valve tensile part connecting portions 411 end flange 412 first stage clip mount pads 51 second stage clip mount pads 52 locked grooves 61 dead bolts 62 valve anglec of rotation guide vane end stops 71 semiclosed guide vane end stop housing 72 movable frame tensile part connecting portions 721 of picking up the ears of picking up the ears.
Embodiment
Accompanying drawing discloses a kind of embodiment of the present utility model without limitation, explains the technical solution of the utility model below with reference to accompanying drawing.
Shown in Fig. 1 to 6, withdrawable circuit breaker safety valve described in the utility model, comprise fixed frame 2 and movable frame 3, described fixed frame 2 is fixedly mounted on charged pile crown 1 periphery of withdrawable circuit breaker, described movable frame 3 rear ends are connected with fixed frame 2 by the guide rail moving sets, movable frame 3 front ends then are coated with valve, described guide rail moving sets is a drawer type guide rail moving sets, comprise the locked groove 61 of mutual interlock and the dead bolt 62 that can move along this locked groove 61, described locked groove 61 is arranged at the upper end outer surface of fixed frame 2, dead bolt 62 then is arranged at the rear end face of movable frame 3, described valve comprises the two valve splits 4 that are arranged at movable frame both sides about in the of 3 symmetrically respectively, the two ends of each fan valve split 4 all are provided with picks up the ears 41, and it is 41 hinged with limit, movable frame 3 left and right sides respectively to pick up the ears in the two ends of each fan valve split 4, simultaneously the two ends of each fan valve split 4 pick up the ears 41 to be connected by the elastic stretching parts with limit, movable frame 3 left and right sides all respectively, promptly pick up the ears 41 to be provided with valve tensile part connecting portion 411, then be provided with movable frame tensile part connecting portion 721 on the movable frame 3, in addition, also be provided with between fixed frame 2 and the movable frame 3 and be used for movable frame resetting device that movable frame 3 resets and the valve anglec of rotation position-limit mechanism that is used to limit valve split 4 anglecs of rotation, and valve anglec of rotation position-limit mechanism is positioned on the symmetrical center line of two valve splits 4, each end of 41 of picking up the ears is arranged to flange shape, this end flange 412 of picking up the ears contacts with valve anglec of rotation position-limit mechanism, therefore, when movable frame 3 rear ends are subjected to displacement by guide rail moving sets and fixed frame 2, valve anglec of rotation position-limit mechanism will apply active force to the end flange 412 of picking up the ears, rotate motion with impelling symmetrically arranged two valve splits, 4 mirror images, simultaneously, following movable frame 3 does straight line together and moves.
As Fig. 2, Fig. 3 and shown in Figure 4, described movable frame resetting device comprises the stage clip mount pad and places the interior stage clip of this stage clip mount pad, the split of described stage clip mount pad is set to 51 splits of the first stage clip mount pad and 52 splits of the second stage clip mount pad, and 51 splits of the first stage clip mount pad are arranged on the movable frame 3,52 splits of the second stage clip mount pad then are arranged on the fixed frame 2, then, breaker body migrates to charged pile crown 1 when promoting valve structure described in the utility model by circuit breaker contact-making surface 31, be connected with charged pile crown 1 up to breaker body, 51 splits of the first stage clip mount pad and adaptive the linking into an integrated entity of the second stage clip mount pad, 52 splits, and place the stage clip in it to be compressive state; And when breaker body pulls away charged pile crown 1, under the restoring force effect of this stage clip, promote movable frame 3 away from fixed frame 2 by the guide rail moving sets, thereby make described in the utility model two symmetrically arranged valve splits 4 change by a minute descriscent closure state.
Described valve anglec of rotation position-limit mechanism comprise valve anglec of rotation guide vane end stop 71 and with the suitable semiclosed guide vane end stop housing 72 of this valve anglec of rotation guide vane end stop 71, described semiclosed guide vane end stop housing 72 and valve anglec of rotation guide vane end stop 71 adjacent side breach are provided with.Described valve anglec of rotation guide vane end stop 71 is arranged on the side of fixed frame 2, semiclosed guide vane end stop housing 72 then is arranged at the side of movable frame 3 accordingly, the described end flange 412 of picking up the ears is inconsistent with the breach end of this semiclosed guide vane end stop housing 72, the two ends of described elastic stretching parts respectively with valve split 4 pick up the ears 41 and semiclosed guide vane end stop housing 72 be connected, therefore, when breaker body promotes movable frame 3 when charged pile crown 1 is migrated, because valve split 4 is hinged with movable frame 3, the breach end of described semiclosed guide vane end stop housing 72 will apply moment by the 412 pairs of valve splits 4 of end flange of picking up the ears, impel symmetrically arranged two valve splits 4 that the mirror image rotation takes place, i.e. two valve splits 4 take place to change from being closed into released state; And when breaker body detaches charged pile crown 1, under the effect of movable frame response agency, movable frame 3 deviates from the process that fixed frame 2 moves, the breach end of semiclosed guide vane end stop housing 72 weakens gradually by the moment that the 412 pairs of valve splits 4 of end flange of picking up the ears apply, and the tension of elastic stretching parts will make two valve splits 4 be changed by a minute descriscent closure state.
Correspondingly, described valve anglec of rotation guide vane end stop 71 also can be arranged on the side of movable frame 3, at this moment, 72 sides that are arranged at fixed frame 2 accordingly of semiclosed guide vane end stop housing, and the two ends of elastic stretching parts respectively with valve split 4 pick up the ears 41 and valve anglec of rotation guide vane end stop 71 be connected.
Generally speaking, when breaker body is put drawout chassis into and when move in charged pile crown 1 position, need two symmetrically arranged valve splits 4 to open.At this moment, breaker body withstands the circuit breaker contact-making surface 31 that is provided with on the movable frame 3, makes movable frame 3 and breaker body move to charged pile crown 1 synchronously.In the process that the aforementioned two valve splits 4 of movable frame 3 drives are moved together, the end flange of picking up the ears 412 offsets with valve anglec of rotation guide vane end stop 71, impel two symmetrically arranged valve splits 4 to do rotatablely moving of mirror image, open to Fig. 5 or state shown in Figure 6 up to two valve splits 4, at this moment, the top of charged pile crown 1 is exposed outside, can realize being connected with the effective of breaker body current-carrying part.
Claims (7)
1. withdrawable circuit breaker safety valve, it is characterized in that, comprise fixed frame and movable frame, described fixed frame is fixedly mounted on the charged pile crown periphery of withdrawable circuit breaker, described movable frame rear end is connected with fixed frame by the guide rail moving sets, the movable frame front end then is coated with valve, described valve comprises that being arranged at two on the movable frame symmetrically respectively fans the valve split, the two ends of each fan valve split all are provided with picks up the ears, and the two ends of each fan valve split are picked up the ears hinged with limit, the movable frame left and right sides respectively, the two ends of each fan valve split pick up the ears to be connected by the elastic stretching parts with limit, the movable frame left and right sides all respectively simultaneously, in addition, also be provided with between fixed frame and the movable frame and be used for movable frame resetting device that movable frame resets and the valve anglec of rotation position-limit mechanism that is used to limit the valve split anglec of rotation, and valve anglec of rotation position-limit mechanism is positioned on the symmetrical center line of two valve splits, and the picking up the ears of every fan valve split simultaneously contacts with this valve anglec of rotation position-limit mechanism.
2. withdrawable circuit breaker safety valve according to claim 1, it is characterized in that, described movable frame resetting device comprises the stage clip mount pad and places the interior stage clip of this stage clip mount pad, the split of described stage clip mount pad is set to the first stage clip mount pad split and the second stage clip mount pad split, and the first stage clip mount pad split is arranged on the movable frame, and the second stage clip mount pad split then is arranged on the fixed frame.
3. withdrawable circuit breaker safety valve according to claim 1 and 2, it is characterized in that, described valve anglec of rotation position-limit mechanism comprise valve anglec of rotation guide vane end stop and with the suitable semiclosed guide vane end stop housing of this valve anglec of rotation guide vane end stop, the described semiclosed guide vane end stop housing side breach adjacent with valve anglec of rotation guide vane end stop is provided with.
4. withdrawable circuit breaker safety valve according to claim 3, it is characterized in that, described valve anglec of rotation guide vane end stop is arranged on the side of fixed frame, semiclosed guide vane end stop housing then is arranged at the side of movable frame accordingly, and the two ends of elastic stretching parts respectively with the valve split pick up the ears and semiclosed guide vane end stop housing is connected.
5. withdrawable circuit breaker safety valve according to claim 3, it is characterized in that, described valve anglec of rotation guide vane end stop is arranged on the side of movable frame, semiclosed guide vane end stop housing then is arranged at the side of fixed frame accordingly, and the two ends of elastic stretching parts respectively with the valve split pick up the ears and valve anglec of rotation guide vane end stop is connected.
6. withdrawable circuit breaker safety valve according to claim 5, it is characterized in that, described guide rail moving sets comprises locked groove and the dead bolt that moves along this locked groove, and described locked groove is arranged at the upper end outer surface of fixed frame, and dead bolt then is arranged at the rear end face of movable frame.
7. withdrawable circuit breaker safety valve according to claim 6 is characterized in that, described elastic stretching parts are extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202524009U CN201887372U (en) | 2010-07-07 | 2010-07-07 | Safety valve of a withdrawable circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202524009U CN201887372U (en) | 2010-07-07 | 2010-07-07 | Safety valve of a withdrawable circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887372U true CN201887372U (en) | 2011-06-29 |
Family
ID=44184918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202524009U Expired - Fee Related CN201887372U (en) | 2010-07-07 | 2010-07-07 | Safety valve of a withdrawable circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449570A (en) * | 2015-12-18 | 2016-03-30 | 北京凯斯隆机电技术开发有限公司 | Circuit breaker |
| CN110729640A (en) * | 2019-11-18 | 2020-01-24 | 咸宁恒舟信息科技有限公司 | Protective cover plate structure of high-voltage interface in electrical control cabinet |
-
2010
- 2010-07-07 CN CN2010202524009U patent/CN201887372U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449570A (en) * | 2015-12-18 | 2016-03-30 | 北京凯斯隆机电技术开发有限公司 | Circuit breaker |
| CN105449570B (en) * | 2015-12-18 | 2017-08-11 | 北京凯斯隆机电技术开发有限公司 | A kind of breaker |
| CN110729640A (en) * | 2019-11-18 | 2020-01-24 | 咸宁恒舟信息科技有限公司 | Protective cover plate structure of high-voltage interface in electrical control cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160905 Address after: Xinba Daquan 212211 Yangzhong Road, Zhenjiang City, Jiangsu province 66 Patentee after: Jiangsu Daquan Kai Kai switch Co., Ltd. Address before: Yihe Road Development Zone in Yangzhong City, Jiangsu province 212200 Patentee before: Jiangsu Daqo Kfine Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20170707 |