CN209056433U - Indoor high-voltage vacuum circuit breaker - Google Patents
Indoor high-voltage vacuum circuit breaker Download PDFInfo
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- CN209056433U CN209056433U CN201822183664.2U CN201822183664U CN209056433U CN 209056433 U CN209056433 U CN 209056433U CN 201822183664 U CN201822183664 U CN 201822183664U CN 209056433 U CN209056433 U CN 209056433U
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- cylinder
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- pole
- circuit breaker
- vacuum circuit
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Abstract
The utility model relates to breaker technical fields, refer in particular to a kind of indoor high-voltage vacuum circuit breaker, it includes chassis, pole, contact arm, Mume flower contact and safeguard structure, it is fixedly connected between the upper surface on the chassis and pole, and contact arm is fixedly mounted on the right side of pole, Mume flower contact is mounted on the right end of contact arm, and safeguard structure is correspondingly arranged on the outside of the right end of contact arm；Safeguard structure includes the first cylinder and the second cylinder, the left side of the first cylinder is fixedly connected with pole lateral wall, the right side opening of the first cylinder is equipped with annular notches, left side is connected with adjustable spring in annular notches, the left end activity of described the second cylinder is plugged in the annular notches and connect with the right side of adjustable spring, under normality, the right end of described the second cylinder protrudes from the right end of the Mume flower contact under the elastic force effect of the adjustable spring；The utility model it is structurally reasonable, have good using effect.
Description
Technical field
The utility model relates to breaker technical fields, refer in particular to a kind of indoor high-voltage vacuum circuit breaker.
Background technique
High-pressure vacuum breaker is very important control protection equipment in electric system, is looked forward to as grid equipment, industrial and mineral
The protection and control unit of industry power-equipment suitable for the frequent operation under rated operational current, or repeatedly cut-off short-circuit electricity
The place of stream.The pole of existing vacuum circuit breaker is generally made of epoxy resin, interior to be equipped with vacuum arc-extinguishing device.
Outside Mume flower contact on the contact arm of present vacuum circuit breaker is typically exposed to, and since the air strike of Mume flower contact surface is more (often
The Mume flower contact structure seen is shown in patent document CN206148387U), foreign matter and dust are liable to stick to above, are influenced using effect
Fruit.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of structurally reasonable indoor high-voltage vacuum circuit breaker,
Certain protective action can be played to Mume flower contact, so that reduction foreign matter and dust are adhered to Mume flower contact to a certain extent
On.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions:
A kind of indoor high-voltage vacuum circuit breaker, including chassis, pole, contact arm, Mume flower contact and safeguard structure, it is described
It is fixedly connected between the upper surface on chassis and pole, and contact arm is fixedly mounted on the right side of pole, Mume flower contact peace
Mounted in the right end of contact arm, safeguard structure is correspondingly arranged on the outside of the right end of contact arm；
Safeguard structure includes the first cylinder and the second cylinder, and the left side of the first cylinder and pole lateral wall, which are fixed, to be connected
It connects, the right side opening of the first cylinder is equipped with annular notches, and left side is connected with adjustable spring, the left side of described the second cylinder in annular notches
End activity is plugged in the annular notches and connect with the right side of adjustable spring, under normality, in the elastic force of the adjustable spring
The right end of described the second cylinder protrudes from the right end of the Mume flower contact under effect；
Axially disposed strip-shaped hole is formed on the inner sidewall of the annular notches, on the inner wall of the second cylinder left end
Location hole is formed, positioning pin passes through the strip-shaped hole and is fixedly connected with the location hole, and described the second cylinder is relative to described
When the first cylinder is axially moveable, the positioning pin moves in the strip-shaped hole.
Further, spring positioning axis, the right end interference of the adjustable spring are formed on the left side of described the second cylinder
It is socketed on the spring positioning axis.
Further, there are four movable pulley, four movable pulleys are correspondingly arranged at tray bottom for the lower part setting on the chassis
Four corners.
Further, it is provided with temperature sensor on the outside of the Mume flower contact, the temperature sensor is with wireless transmission method
Connect warning device.
Further, the outer end of described the second cylinder is arranged with protection cover-cap.
(3) beneficial effect
According to obtained by above-mentioned technical proposal the utility model has the beneficial effects that:
(1), the utility model is by setting safeguard structure, using the elastic reaction of adjustable spring, so that the second cylinder can
With axially retractable movement, the right end of the second cylinder protrudes from the right end of Mume flower contact under normality, can subtract to a certain extent
Dust is lacked or foreign matter is fallen on Mume flower contact, the second cylinder can be to the first cylinder by pressure to the left when using
It is retracted in annular notches, to not influence normally closed movement, there is preferable using effect.
Detailed description of the invention
It, below will be in embodiment technical description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Required attached drawing is briefly described.
Fig. 1 is the utility model partial profile structure；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
In figure: the chassis 1-, 2- pole, 3- contact arm, 4- Mume flower contact, 5- safeguard structure, 501- the first cylinder, 502-
Annular notches, 503- adjustable spring, 504- the second cylinder, 505- strip-shaped hole, 506 positioning pins, 507- spring positioning axis.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As illustrated in fig. 1 and 2, the utility model provides a kind of technical solution: a kind of indoor high-voltage vacuum circuit breaker, including bottom
Disk 1, pole 2, contact arm 3, Mume flower contact 4 and safeguard structure 5, it is fixed between the upper surface and pole 2 on the chassis 1
Connection, and contact arm 3 is fixedly mounted on the right side of pole 2, Mume flower contact 4 is mounted on the right end of contact arm 3, and safeguard structure 5 is right
It should be arranged on the outside of the right end of contact arm 3；Safeguard structure 5 includes the first cylinder 501 and the second cylinder 504, the left side of the first cylinder 501
Side is fixedly connected with 2 lateral wall of pole, and the right side opening of the first cylinder 501 is equipped with annular notches 502, in annular notches 502
Left side is connected with adjustable spring 503, the left end activity of described the second cylinder 504 be plugged in the annular notches 502 and with stretch
The right side of contracting spring 503 connects, under normality, the right end of described the second cylinder 504 under the elastic force effect of the adjustable spring 503
Protrude from the right end of the Mume flower contact 4；Axially disposed strip-shaped hole is formed on the inner sidewall of the annular notches 502
505, form location hole on the 504 left end inner wall of the second cylinder, positioning pin 506 pass through the strip-shaped hole 505 with it is described fixed
Position hole is fixedly connected, and when described the second cylinder 504 is axially moveable relative to described the first cylinder 501, the positioning pin 506 exists
It is moved in the strip-shaped hole 505.By setting safeguard structure in the present embodiment, using the elastic reaction of adjustable spring, so that the
Two cylinders can be with axially retractable movement, and the right end of the second cylinder protrudes from the right end of Mume flower contact under normality, can be certain
Reduce dust in degree or foreign matter is fallen on Mume flower contact, the second cylinder can be to the by pressure to the left when using
It is retracted in the annular notches of one cylinder, to not influence normally closed movement, there is preferable using effect.
In the present embodiment, spring positioning axis 507, the adjustable spring are formed on the left side of described the second cylinder 504
503 right end interference is socketed on the spring positioning axis 507, is determined by spring positioning axis 507 adjustable spring 503
Position avoids adjustable spring from falling off failure.
Further, there are four movable pulley, four movable pulleys are correspondingly arranged at 1 bottom of chassis for the lower part setting on the chassis 1
Four corners, in order to movement.
As the further improvement of above-described embodiment, in practical application, temperature sensing is provided on the outside of the Mume flower contact 4
Device, the temperature sensor connect warning device with wireless transmission method, and wireless transmission method belongs to the mature prior art, this
Its structure is not repeated here in embodiment；The temperature at Mume flower contact is sensed by temperature sensor, and with wireless transmission side
Formula is transferred to warning device, when temperature is higher than setting value, issues alarm signal, in order to which staff knows in time, carries out
Repair and maintenance.
In practical operation, the outer end of described the second cylinder 504 can be arranged with protection cover-cap, when installing and using by shield
Lid removes, can normal use, protection cover-cap can be covered before factory and further avoid foreign matter or dust and enter.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the only explanation of the description in above embodiments and description
The principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also have various changes
Change and improve, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model protects model
It encloses and is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of indoor high-voltage vacuum circuit breaker, including chassis (1), pole (2), contact arm (3), Mume flower contact (4) and anti-
Protection structure (5), it is characterised in that: be fixedly connected between the upper surface of the chassis (1) and pole (2), and contact arm (3) is solid
Dingan County is mounted in the right side of pole (2), and Mume flower contact (4) is mounted on the right end of contact arm (3), and safeguard structure (5) is correspondingly arranged
On the outside of the right end of contact arm (3)；
Safeguard structure (5) includes the first cylinder (501) and the second cylinder (504), the left side of the first cylinder (501) and pole
(2) lateral wall is fixedly connected, and the right side opening of the first cylinder (501) is equipped with annular notches (502), left side in annular notches (502)
Be connected with adjustable spring (503), the left end activity of the second cylinder (504) be plugged in the annular notches (502) and with
The right side of adjustable spring (503) connects, under normality, described the second cylinder under the elastic force effect of the adjustable spring (503)
(504) right end protrudes from the right end of the Mume flower contact (4)；
Axially disposed strip-shaped hole (505), described the second cylinder are formed on the inner sidewall of the annular notches (502)
(504) location hole is formed on the inner wall of left end, positioning pin (506) passes through the strip-shaped hole (505) and the fixed company of the location hole
It connects, when the second cylinder (504) is axially moveable relative to described the first cylinder (501), the positioning pin (506) is described
Strip-shaped hole moves in (505).
2. indoor high-voltage vacuum circuit breaker according to claim 1, it is characterised in that: a left side for the second cylinder (504)
It is formed on end face spring positioning axis (507), the right end interference of the adjustable spring (503) is socketed in the spring positioning axis
(507) on.
3. indoor high-voltage vacuum circuit breaker according to claim 2, it is characterised in that: the lower part of the chassis (1) is arranged
There are four movable pulley, four movable pulleys are correspondingly arranged at the four corners of chassis (1) bottom.
4. indoor high-voltage vacuum circuit breaker according to claim 3, it is characterised in that: set on the outside of the Mume flower contact (4)
It is equipped with temperature sensor, the temperature sensor connects warning device with wireless transmission method.
5. indoor high-voltage vacuum circuit breaker according to claim 4, it is characterised in that: the outer end of described the second cylinder is arranged
There is protection cover-cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822183664.2U CN209056433U (en) | 2018-12-25 | 2018-12-25 | Indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822183664.2U CN209056433U (en) | 2018-12-25 | 2018-12-25 | Indoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209056433U true CN209056433U (en) | 2019-07-02 |
Family
ID=67055242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822183664.2U Active CN209056433U (en) | 2018-12-25 | 2018-12-25 | Indoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209056433U (en) |
-
2018
- 2018-12-25 CN CN201822183664.2U patent/CN209056433U/en active Active
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