CN209249399U - A kind of breaker insulating cylinder and the breaker for being adapted to the insulating cylinder - Google Patents
A kind of breaker insulating cylinder and the breaker for being adapted to the insulating cylinder Download PDFInfo
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- CN209249399U CN209249399U CN201822267245.7U CN201822267245U CN209249399U CN 209249399 U CN209249399 U CN 209249399U CN 201822267245 U CN201822267245 U CN 201822267245U CN 209249399 U CN209249399 U CN 209249399U
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- insulating cylinder
- breaker
- arc extinguishing
- conductive rod
- bellows
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Abstract
The utility model relates to a kind of breaker insulating cylinder and it is adapted to the breaker of the insulating cylinder, upper insulating cylinder including cylindrical structure, lower insulating cylinder and fixed ring, upper insulating cylinder is protruded into the cavity of lower insulating cylinder and is flexibly connected with lower insulating cylinder, the outer wall of upper insulating cylinder is equipped with external screw thread, externally threaded length is the 1/2 to 3/4 of upper insulating cylinder length, fixed ring inner ring is equipped with the internal screw thread matched with above-mentioned external screw thread, fixed ring is bolted on insulating cylinder, it is equidistant on the cavity inner wall of lower insulating cylinder to be provided with reinforcing rib, reinforcing rib cross section is isosceles trapezoidal structure.By the upper insulating cylinder and lower insulating cylinder of two mutual sheathings of setting as an insulating cylinder, the length of insulating cylinder is freely adjusted, to solve the problems, such as that insulating cylinder length is unadjustable, the adaptation ability of insulating cylinder is improved, also convenient for being assembled with breaker.
Description
Technical field
The utility model relates to breaker technical fields, and in particular to a kind of breaker insulating cylinder and be adapted to the insulation
The breaker of cylinder.
Background technique
Breaker (English name: circuit-breaker, circuit breaker) is to refer to close, carry and open
Breaking the electric current under normal loop condition and can close, carries before the deadline and cut-off the electric current under abnormal loop condition
Switching device.Breaker is divided into high-voltage circuitbreaker and low-voltage circuit breaker by its use scope, and high-low pressure identification of boundaries is relatively fuzzyyer,
3kV or more is generally known as High-Voltage Electrical Appliances.
Insulating cylinder is common component in breaker, and insulating capacity is the important guarantee of breaker stable operation.In reality
Border production in, the length of insulating cylinder is fixed and invariable, but the model of breaker but there are many, this just needs to prepare a variety of
The insulating cylinder of size is to adapt to various sizes of breaker, or even needs to customize the insulating cylinder of fixed length according to the demand of product,
The adaptation ability of the insulating cylinder seriously affected.In addition, length inevitably has error during prepared by insulating cylinder, lead to insulating cylinder
With breaker is more difficult is adapted to, it is difficult to install.
Utility model content
For the deficiency in background technique, the utility model provides a kind of breaker insulating cylinder and is adapted to the insulating cylinder
Breaker.
The technical scheme adopted by the utility model is a kind of breaker insulating cylinder and being adapted to the open circuit of the insulating cylinder
Device, upper insulating cylinder, lower insulating cylinder and fixed ring including cylindrical structure, the upper insulating cylinder protrude into the cavity of lower insulating cylinder with
Lower insulating cylinder is flexibly connected, and the outer wall of upper insulating cylinder is equipped with external screw thread, and the externally threaded length is upper insulating cylinder length
1/2 to 3/4, the fixed ring inner ring is equipped with the internal screw thread matched with above-mentioned external screw thread, and fixed ring is bolted on
On insulating cylinder, equidistant on the cavity inner wall of the lower insulating cylinder to be provided with reinforcing rib, the reinforcing rib cross section is isosceles
Trapezium structure.
Further, the upper insulating cylinder is equipped with arc-chutes, is equipped with arc extinguishing component in the arc-chutes.
Further, the arc extinguishing component include arc extinguishing shell, upper cover, lower cover, static conductive rod, moving conductive rod, static contact,
Moving contact, bellows and bellows cover, the upper cover and lower cover are connected to the top and bottom of arc extinguishing shell, described quiet
Conducting rod is connected on lid, and the static contact is connected on static conductive rod, and the moving conductive rod is connected on lower lid, described
Moving contact be connected on moving conductive rod, for the bellows-sheathed on the moving conductive rod, the bellows cover is set on wave
Line pipe periphery.
Further, the inner wall of the upper insulating cylinder and lower insulating cylinder is all made of insulating barrier and is made, the insulating barrier
Including arc extinguishing layer, epoxy resins insulation plate layer, vacuum layer and the pcb board layer set gradually from inside to outside.
Further, for the arc extinguishing layer with a thickness of 2-5mm, arc extinguishing layer is to be filled with the elastic rubbery body of quartz sand.
Further, the lower insulating cylinder two sides are equipped with wire outlet seat and inlet wire seat, and the lower section of lower insulating cylinder is integrally formed
There is fixed step, the fixed step is equipped with mounting hole.
Based on same design, the invention also discloses a kind of breaker, which is fitted with above-mentioned insulating cylinder.
The beneficial effects of the utility model are: the utility model by the upper insulating cylinders of two mutual sheathings of setting and it is lower absolutely
Edge cylinder adjusts the length of insulating cylinder freely as an insulating cylinder, so that it is uncontrollable to solve insulating cylinder length
Problem also improves the adaptation ability of insulating cylinder, convenient for being assembled with breaker, in addition, being arranged on lower insulating cylinder inner wall
Reinforcing rib improves the stress-bearing capability of insulating cylinder, avoid the occurrence of because stress is excessive deform the problem of, have structure it is simple,
Advantage low in cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic cross-section of the utility model.
Fig. 3 is the schematic cross-section of upper insulating cylinder or lower insulating cylinder inner wall.
In figure: 1, upper insulating cylinder；2, lower insulating cylinder；3, fixed ring；4, cavity；5, external screw thread；6, bolt；7, reinforcing rib；
8, arc-chutes；9, arc extinguishing shell；10, upper cover；11, lower cover；12, static conductive rod；13, moving conductive rod；14, static contact；15, touching is moved
Head；16, bellows；17, bellows cover；18, arc extinguishing layer；19, epoxy resins insulation plate layer；20, vacuum layer；21, pcb board layer；
22, wire outlet seat；23, inlet wire seat；24, fixed step；25, mounting hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model provides a kind of breaker insulating cylinder and the breaker for being adapted to the insulating cylinder.
In the present embodiment, referring to figs. 1 to Fig. 3, the breaker insulating cylinder and the breaker for being adapted to the insulating cylinder, packet
The upper insulating cylinder 1, lower insulating cylinder 2 and fixed ring 3 of cylindrical structure are included, the upper insulation 1 is protruded into the cavity 4 of lower insulating cylinder 2
It is flexibly connected with lower insulation 2, the outer wall of upper insulating cylinder 1 is equipped with external screw thread 5, and the length of the external screw thread 5 is upper insulating cylinder
The 1/2 to 3/4 of length, 3 inner ring of fixed ring are equipped with the internal screw thread matched with above-mentioned external screw thread, and fixed ring 3 passes through bolt 6
It is fixed on insulating cylinder, the screw hole being mutually adapted is set on fixed ring 3 and lower insulating cylinder 2, be used for fixed ring and lower insulation
The fixation of cylinder；It is equidistant on the cavity inner wall of the lower insulating cylinder 2 to be provided with reinforcing rib 7, horizontal 7 sections of the reinforcing rib are etc.
Waist trapezium structure.In the prior art, in order to reduce the overall volume and quality of breaker, the bucket wall of insulating cylinder is often relatively thin,
It is easy that insulating cylinder cylinder is caused to deform because of stress in demoulding and assembling process, the utility model on inner wall by setting
Set trapezoidal reinforcing rib, narrow structure makes stress more uniform in reinforcing rib bottom width, the compressive resistance intensity of cylinder is increased, from
And the possibility to deform because of stress is reduced, improve the qualification rate of product.
When the utility model uses, upper insulating cylinder 1 is inserted in the cavity of lower insulating cylinder 2 and to adjust insulating cylinder total
Length, fixed ring is then screwed on upper insulating cylinder again to suitable position, and consolidate fixed ring and lower insulating cylinder by bolt
Surely the assembling of insulating cylinder is completed.The length of insulating cylinder can be adjusted in this structure, can adapt to different length requirements
Breaker has good adaptation ability can also be to the length of insulating cylinder when error occur in insulating cylinder or breaker
It is finely adjusted, convenient for the assembling of insulating cylinder and breaker.
In the present invention, the upper insulating cylinder 1 is equipped with arc-chutes 8, and 8 are equipped with arc extinguishing group in the arc-chutes
Part；The arc extinguishing component includes arc extinguishing shell 9, upper cover 10, lower cover 11, static conductive rod 12, moving conductive rod 13, static contact 14, moves
Contact 15, bellows 16 and bellows cover 17, the upper cover 10 and lower cover 11 are connected to the upper end of arc extinguishing shell 9 under
End, the static conductive rod 12 are connected on lid, and the static contact 14 is connected on static conductive rod, and the moving conductive rod 13 connects
It connects on lower lid, the moving contact 14 is connected on moving conductive rod, and the bellows 16 is sleeved on moving conductive rod, described
Bellows cover 17 is set on bellows periphery.Arc-chutes and arc extinguishing structure belong to the prior art, but the utility model passes through
Arc-chutes are arranged in independent insulating cylinder, are not only convenient for the mold molding of arc-chutes, and since upper insulating cylinder lower end is opened
It puts, assembles more convenient.
In the present invention, the inner wall of the upper insulating cylinder 1 and lower insulating cylinder 2 is all made of insulating barrier and is made, described
Insulating barrier includes the arc extinguishing layer 18 set gradually from inside to outside, epoxy resins insulation plate layer 19, vacuum layer 20 and pcb board layer
21；For the arc extinguishing layer 18 with a thickness of 2-5mm, arc extinguishing layer is to be filled with the elastic rubbery body of quartz sand.This structure passes through setting
Arc extinguishing layer and vacuum layer, so that insulating cylinder has better insulating capacity.Arc extinguishing layer uses and is filled with the elasticity of quartz sand simultaneously
Rubber bodies, on the one hand improve arc extinguishing ability, enhance product performance, and the outer wall of insulating cylinder is on the other hand made to have micro- bullet
Property, preferable sealing performance can be provided when upper insulating cylinder is inserted in lower insulating cylinder.
2 two sides of lower insulating cylinder are equipped with wire outlet seat 22 and inlet wire seat 23, and the lower section of lower insulating cylinder is integrally formed with solid
Determine step 24, the fixed step 24 is equipped with mounting hole 25.
Based on same design, the invention also discloses a kind of breaker, which is fitted with above-mentioned insulating cylinder.
The utility model passes through the upper insulating cylinder that two mutual sheathings are arranged and lower insulating cylinder as an insulating cylinder, so that
The length of insulating cylinder can be adjusted freely, to solve the problems, such as that insulating cylinder length is unadjustable, also improve the suitable of insulating cylinder
With ability, convenient for being assembled with breaker, in addition, reinforcing rib is arranged on lower insulating cylinder inner wall, the stress of insulating cylinder is improved
Ability, avoid the occurrence of because stress is excessive deform the problem of, with simple, the low in cost advantage of structure.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (7)
1. a kind of breaker insulating cylinder, it is characterised in that: upper insulating cylinder, lower insulating cylinder and fixed ring including cylindrical structure,
The upper insulating cylinder is protruded into the cavity of lower insulating cylinder and is flexibly connected with lower insulating cylinder, and the outer wall of upper insulating cylinder is equipped with outer spiral shell
Line, the externally threaded length are the 1/2 to 3/4 of upper insulating cylinder length, and the fixed ring inner ring is equipped with and above-mentioned external screw thread phase
The internal screw thread of cooperation, fixed ring are bolted on insulating cylinder, equidistant on the cavity inner wall of the lower insulating cylinder
It is provided with reinforcing rib, the reinforcing rib cross section is isosceles trapezoidal structure.
2. breaker insulating cylinder according to claim 1, it is characterised in that: the upper insulating cylinder is equipped with arc extinguishing
Room, the arc-chutes are interior to be equipped with arc extinguishing component.
3. breaker insulating cylinder according to claim 2, it is characterised in that: the arc extinguishing component include arc extinguishing shell,
Upper cover, lower cover, static conductive rod, moving conductive rod, static contact, moving contact, bellows and bellows cover, the upper cover and lower cover point
It is not connected to the top and bottom of arc extinguishing shell, the static conductive rod is connected on lid, and the static contact is connected to quiet lead
On electric pole, the moving conductive rod is connected on lower lid, and the moving contact is connected on moving conductive rod, the bellows suit
On moving conductive rod, the bellows cover is set on bellows periphery.
4. breaker insulating cylinder according to claim 1-3, it is characterised in that: the upper insulating cylinder and it is lower absolutely
The inner wall of edge cylinder is all made of insulating barrier and is made, and the insulating barrier includes arc extinguishing layer, the asphalt mixtures modified by epoxy resin set gradually from inside to outside
Rouge layer of insulation board, vacuum layer and pcb board layer.
5. breaker insulating cylinder according to claim 4, it is characterised in that: the arc extinguishing layer goes out with a thickness of 2-5mm
Segment is to be filled with the elastic rubbery body of quartz sand.
6. breaker insulating cylinder according to claim 1, it is characterised in that: the lower insulating cylinder two sides are equipped with outlet
Seat and inlet wire seat, integrally formed with fixed step, the fixed step is equipped with mounting hole for the lower section of lower insulating cylinder.
7. a kind of breaker, it is characterised in that: the breaker is fitted with any one of claim 1-6 insulating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267245.7U CN209249399U (en) | 2018-12-29 | 2018-12-29 | A kind of breaker insulating cylinder and the breaker for being adapted to the insulating cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267245.7U CN209249399U (en) | 2018-12-29 | 2018-12-29 | A kind of breaker insulating cylinder and the breaker for being adapted to the insulating cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209249399U true CN209249399U (en) | 2019-08-13 |
Family
ID=67535733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822267245.7U Active CN209249399U (en) | 2018-12-29 | 2018-12-29 | A kind of breaker insulating cylinder and the breaker for being adapted to the insulating cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209249399U (en) |
-
2018
- 2018-12-29 CN CN201822267245.7U patent/CN209249399U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Yuanxin Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Yihuaping Electric Co., Ltd Address before: 325000 Yuanxin Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Yihuaping Electric Co.,Ltd. |