CN208706548U - Breaker and its insulated pull rod protective device - Google Patents
Breaker and its insulated pull rod protective device Download PDFInfo
- Publication number
- CN208706548U CN208706548U CN201821655342.7U CN201821655342U CN208706548U CN 208706548 U CN208706548 U CN 208706548U CN 201821655342 U CN201821655342 U CN 201821655342U CN 208706548 U CN208706548 U CN 208706548U
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- pull rod
- insulated pull
- arc
- chutes
- protective device
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Abstract
The utility model discloses a kind of breaker and its insulated pull rod protective devices, wherein insulated pull rod protective device includes arc-chutes mounting bracket and is mounted in arc-chutes mounting bracket, and the protective plate for the insulating segment of insulated pull rod to be isolated with arc-chutes high pressure lumen, the end of protective plate and insulated pull rod snug engagement.By installing the protective plate with insulated pull rod snug engagement in arc-chutes mounting bracket, reduce the insulating segment of the thermal current and impurity damage insulated pull rod inside arc-chutes, and then generate the situation of short circuit, therefore, insulated pull rod protective device provided by the present application effectively improves the safety in utilization of breaker.
Description
Technical field
The utility model relates to circuit breaker internal protection technology field, in particular to the insulated pull rod of a kind of breaker is protected
Device.The utility model further relates to a kind of breaker including above-mentioned insulated pull rod protective device.
Background technique
The insulated pull rod of breaker is located in the dynamic lateral support structure of breaker, is the connection dress of bindiny mechanism and arc-chutes
It sets, i.e., insulated pull rod main function is the power of mechanism to be passed to arc-chutes, while the electric energy of arc-chutes and shell being carried out
Isolation, prevents short trouble and brings danger.
Opening and acting for breaker is provided by external mechanism, the power of mechanism by 220v power voltage supply energy storage, breaker
Arc-chutes bear high voltage, therefore the power of mechanism offer is passed to the arc-chutes of breaker by insulated pull rod, which draws
Bar will have higher intensity to bear the high-speed motion of arc-chutes, while insulated pull rod requires to be dielectrically separated from, and prevents
Outside the high voltage transfer that arc-chutes are born to breaker.Specifically, insulated pull rod includes insulating segment and is arranged in insulating segment two
The metal segments at end.
When breaker works, the high-temperature gas of arc-chutes is easy to flow to the insulating segment of insulated pull rod in internal cavity, absolutely
Edge pull rod working environment is in the region of thermal current confusion, is easy to lead to breaker so that failure of insulation, causes short trouble
Safety in utilization is lower.
Therefore, the safety in utilization for how improving breaker is those skilled in the art's technical problem urgently to be resolved.
Utility model content
The purpose of the utility model is to provide a kind of insulated pull rod protective devices of breaker, to improve the use of breaker
Safety.The another object of the utility model is to provide a kind of breaker including above-mentioned insulated pull rod protective device.
To achieve the above object, the utility model provides a kind of insulated pull rod protective device of breaker, including arc-chutes
It mounting bracket and is mounted in the arc-chutes mounting bracket, and for the insulating segment of insulated pull rod to be isolated with arc-chutes inner cavity
Protective plate, the end of the protective plate and the insulated pull rod snug engagement.
Preferably, the protective plate is the dustproof cover being set on the outside of the insulated pull rod, and the dustproof cover goes out with described
Arc chamber mounting bracket is connected by fastener, and the dustproof cover is equipped with the mounting hole passed through for the fastener, the installation
Hole is the strip-shaped hole slided up and down for the dustproof cover.
Preferably, the fastener at least two, and the fastener is center line described in using insulated pull rod axis
Protective plate is circumferentially arranged.
Preferably, the fastener is threaded fastener.
Preferably, the protective plate and the insulated pull rod gap are less than 1mm.
Preferably, the protective plate is heat resistance insulating sheet.
Preferably, the protective plate is polyfluortetraethylene plate.
A kind of breaker, including insulated pull rod further include insulated pull rod protective device, and the insulated pull rod protective device is
Insulated pull rod protective device described in any of the above embodiments.
Preferably, the arc-chutes for further including shell and being arranged in the shell, the insulated pull rod and protection dress
It sets and is respectively positioned in the shell, the insulated pull rod includes the first metal insert, the second metal insert and connection first gold medal
Belong to the insulating cylinder of inserts and second metal insert, first metal insert is located at the insulated pull rod and the arc-chutes
Between, the protective plate is slidably matched with first metal insert.
Preferably, further include insulated support that both ends are connect with the shell and the arc-chutes mounting bracket respectively.
In the above-mentioned technical solutions, the insulated pull rod protective device of breaker provided by the utility model includes arc-chutes peace
It fills bracket and is mounted in arc-chutes mounting bracket, and be used to for the insulating segment of insulated pull rod being isolated with arc-chutes high pressure lumen
Protective plate, the end of protective plate and insulated pull rod snug engagement.
As can be seen from the above description, in insulated pull rod protective device provided by the present application, by installing branch in arc-chutes
Protective plate with insulated pull rod snug engagement is installed on frame, thermal current and the impurity damage insulation inside arc-chutes is reduced and draws
The insulating segment of bar, and then the situation of short circuit is generated, therefore, insulated pull rod protective device provided by the present application, which effectively improves, to be resolved
The safety in utilization of road device.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the partial structural diagram that breaker provided by the utility model embodiment is located at "on" position；
Fig. 2 is the partial structural diagram that breaker provided by the utility model embodiment is located at gate-dividing state；
Fig. 3 is the structural schematic diagram of insulated pull rod provided by the utility model embodiment；
Fig. 4 is the installation site figure of insulated pull rod protective device provided by the utility model embodiment；
Fig. 5 is the structural schematic diagram of protective plate provided by the utility model embodiment.
Wherein in Fig. 1-5: 1- protective plate, 11- mounting hole, 2- insulated pull rod, the first metal insert of 21-, 22- insulating cylinder,
The second metal insert of 23-, 3- arc-chutes mounting bracket, 4- arc-chutes, 5- shell, 6- insulated support, 7- mechanism input connecting lever,
8- fastener.
Specific embodiment
The core of the utility model is to provide a kind of insulated pull rod protective device of breaker, to improve the use of breaker
Safety.Another core of the utility model is to provide a kind of breaker including above-mentioned insulated pull rod protective device.
It is with reference to the accompanying drawing and real in order to make those skilled in the art more fully understand the technical solution of the utility model
Applying mode, the utility model is described in further detail.
Fig. 1 to Fig. 5 is please referred to, in a specific embodiment, the breaker that the utility model specific embodiment provides
Insulated pull rod protective device include arc-chutes mounting bracket 3 and be mounted in arc-chutes mounting bracket 3, and for that will insulate drawing
The protective plate 1 that the insulating segment of bar 2 is isolated with 4 high pressure lumen of arc-chutes, end and 2 side walls of insulated pull rod of protective plate 1 are matched
It closes.Specifically, in order to extend the service life of protective plate 1, protective plate 1 is heat resistance insulating sheet, it is preferred that protective plate 1 is poly-
Tetrafluoroethene plate.For the ease of dismounting protective plate 1, it is preferable that protective plate 1 is an integral molding structure.
As can be seen from the above description, in the insulated pull rod protective device provided by the application specific embodiment, by
Protective plate 1 with 2 snug engagement of insulated pull rod is installed in arc-chutes mounting bracket 3, reduces the thermal current inside arc-chutes 4
And the insulating segment of impurity damage insulated pull rod 2, and then the situation of short circuit is generated, and therefore, insulated pull rod protection provided by the present application
Device effectively improves the safety in utilization of breaker.
Since the existing horizontal axis of insulated pull rod 2 moves, and there is vertical direction swing, in order to improve the protection of protective plate 1
Performance, it is preferable that protective plate 1 is the dustproof cover for being set in 2 outside of insulated pull rod, and dustproof cover and arc-chutes mounting bracket 3 pass through tight
Firmware 8 connects, and dustproof cover is equipped with the mounting hole 11 passed through for fastener 8, and mounting hole 11 is the item slided up and down for dustproof cover
Shape hole, specifically, the long end of strip-shaped hole is vertical placement, convenient dust-proofing lid can swing up and down progress up and down with insulated pull rod 2
Mobile adjustment position, and then adjustment position can be swung up and down with insulated pull rod 2.For the ease of dismounting dustproof cover, it is preferable that fastening
Part 8 is threaded fastener.Specifically, dustproof cover and fastener 8 are loose fits.Insulated pull rod 2 is cylindrical structure formula, dustproof cover
Center is circular hole, and insulated pull rod 2 is facilitated to slide in circular hole.
Preferably, as shown in figure 4, fastener 8 at least two, and fastener 8 is using 2 axis of insulated pull rod as center line edge
The circumferential setting of exhausted protective plate 1.Specifically, in order to improve kinetic stability, it is preferable that fastener 8 is four.
In order to further increase the safety in utilization of breaker, it is preferable that protective plate 1 and 2 gap of insulated pull rod are less than 1mm.
A kind of breaker provided by the present application, including insulated pull rod 2 and insulated pull rod protective device, wherein insulated pull rod
Protective device is any of the above-described kind of insulated pull rod protective device, specifically, insulated pull rod 2, which inputs connecting lever 7 by mechanism, drives fortune
It is dynamic.
Further, which further includes shell 5 and the arc-chutes being arranged in shell 54, and insulated pull rod 2 and protection fill
It sets and is respectively positioned in shell 5, insulated pull rod 2 includes the first metal insert of the first metal insert 21, the second metal insert 23 and connection
21 and second metal insert 23 insulating cylinder 22, the first metal insert 21 is between insulated pull rod 2 and arc-chutes 4, protective plate 1
It is slidably matched with the first metal insert 21.The length of first metal insert 21 will be longer than the length of arc-chutes 4, guarantee insulated pull rod
2 remain that the first metal insert 21 of insulated pull rod 2 is opposite with protective plate 1 during the motion slides.
Further, which further includes the insulating supporting that both ends are connect with shell 5 and arc-chutes mounting bracket 3 respectively
Part 6, wherein the number of insulated support 6 is decided according to the actual requirements, and the application is not specifically limited, by the way that insulating supporting is arranged
Part 6 further increases breaker overall stability.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of insulated pull rod protective device of breaker, which is characterized in that including arc-chutes mounting bracket (3) and be mounted on institute
It states on arc-chutes mounting bracket (3), and the protective plate for the insulating segment of insulated pull rod (2) to be isolated with arc-chutes (4) inner cavity
(1), the end of the protective plate (1) and the insulated pull rod (2) snug engagement.
2. insulated pull rod protective device according to claim 1, which is characterized in that the protective plate (1) is is set in
The dustproof cover on the outside of insulated pull rod (2) is stated, the dustproof cover is connect with the arc-chutes mounting bracket (3) by fastener (8),
The dustproof cover is equipped with the mounting hole (11) passed through for the fastener (8), and the mounting hole (11) is to supply the dustproof cover
The strip-shaped hole slided up and down.
3. insulated pull rod protective device according to claim 2, which is characterized in that the fastener (8) at least two,
And the fastener (8) is circumferentially arranged using insulated pull rod (2) axis as center line along the protective plate (1).
4. insulated pull rod protective device according to claim 2, which is characterized in that the fastener (8) is screw threads for fastening
Part.
5. insulated pull rod protective device according to claim 2, which is characterized in that the protective plate (1) and insulated pull rod
(2) gap is less than 1mm.
6. insulated pull rod protective device according to any one of claims 1-5, which is characterized in that the protective plate (1)
For heat resistance insulating sheet.
7. insulated pull rod protective device according to claim 6, which is characterized in that the protective plate (1) is polytetrafluoroethyl-ne
Alkene plate.
8. a kind of breaker, including insulated pull rod (2), which is characterized in that further include insulated pull rod protective device, the insulation is drawn
Bar protective device is insulated pull rod protective device of any of claims 1-7.
9. breaker according to claim 8, which is characterized in that further include shell (5) and setting in the shell (5)
Arc-chutes (4), the insulated pull rod (2) and the protective device be respectively positioned in the shell (5), the insulated pull rod (2)
Including the first metal insert (21), the second metal insert (23) and connect first metal insert (21) and second metal
The insulating cylinder (22) of inserts (23), first metal insert (21) be located at the insulated pull rod (2) and the arc-chutes (4) it
Between, the protective plate (1) is slidably matched with first metal insert (21).
10. breaker according to claim 9, which is characterized in that further include both ends respectively with the shell (5) and described
The insulated support (6) of arc-chutes mounting bracket (3) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655342.7U CN208706548U (en) | 2018-10-11 | 2018-10-11 | Breaker and its insulated pull rod protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655342.7U CN208706548U (en) | 2018-10-11 | 2018-10-11 | Breaker and its insulated pull rod protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208706548U true CN208706548U (en) | 2019-04-05 |
Family
ID=65948114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821655342.7U Active CN208706548U (en) | 2018-10-11 | 2018-10-11 | Breaker and its insulated pull rod protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208706548U (en) |
-
2018
- 2018-10-11 CN CN201821655342.7U patent/CN208706548U/en active Active
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