CN200983341Y - Out line base for breaker - Google Patents
Out line base for breaker Download PDFInfo
- Publication number
- CN200983341Y CN200983341Y CN 200620048810 CN200620048810U CN200983341Y CN 200983341 Y CN200983341 Y CN 200983341Y CN 200620048810 CN200620048810 CN 200620048810 CN 200620048810 U CN200620048810 U CN 200620048810U CN 200983341 Y CN200983341 Y CN 200983341Y
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- CN
- China
- Prior art keywords
- contact
- arm body
- circuit breaker
- arm
- outgoing line
- 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 provides a circuit-breaker outgoing line seat belongs to the field of power switchgear, and solves the problem of high producing cost and inconvenient installation of the present circuit-breaker outgoing line seat. The circuit breaker using outgoing line seat is arranged on a bracket of a circuit breaker, which comprises an outgoing line fastener and a contact arm, wherein the contact arm is connected with the outgoing line fastener and comprises a reciprocally independent arm body and a contactor, which are both cylinder-type. Wherein the arm body is connected with the outgoing line fastener and is connected with the contactor through a fastening. The circuit-breaker using outgoing line seat divides the contact arm into an arm body and a contactor, thereby the arm body can independently use well-conductive and cheap conducting materials like aluminum, meanwhile, due to that assembly and connection is proceeded through short-length contactors, the assembly, detachment and maintenance of the outgoing line seat is convenient, in addition, by employing an integral structure of the outgoing line fastener and the arm body, the production and machining is simplified.
Description
Technical field
The utility model belongs to the power switchgear field, relates to a kind of high-voltage switch gear, particularly a kind of circuit breaker outlet seat.
Background technology
Circuit breaker is mounted in a kind of circuit protection device on the High-Voltage Electrical Appliances.As shown in Figure 3, existing circuit breaker is provided with outlet seat and following outlet seat, is installed on the insulating cylinder of circuit breaker, is connected with inner last lower carriage, and is middle by vacuum interrupter 10 connections.When having an accident in the High-Voltage Electrical Appliances course of work or during abnormal conditions, circuit breaker opens circuit and plays the effect of protection High-Voltage Electrical Appliances.
The wire terminal 1 that goes out that contact arm 12 that present outlet seat is made by copper product and aluminum are made is formed, and middlely axially fits together by helicitic texture, goes out wire terminal 1 and links to each other with the circuit breaker inner support.Contact arm 12 is cylindric, is provided with an annular block piece in contact arm 12 and the end through hole that goes out wire terminal 1 assembling, is screw connection structure between this block piece outside and contact arm 12 through holes.Go out wire terminal 1 and axially have internal thread through hole with contact arm 12 links, during assembling, screw passes contact arm 12 through holes and goes out wire terminal 1 by being threaded.Because contact arm 12 length are greater than going out wire terminal 1, the length of through hole is longer, so the assembling of screw, dismounting, maintenance are all inconvenient.Simultaneously, the block piece of contact arm 12 and contact arm 12 mounted inside is made for copper product entirely, and copper product is relatively expensive, thus production cost higher.
Summary of the invention
The purpose of this utility model is to have proposed the low and circuit breaker outlet seat that be convenient to dismantle, install of a kind of production cost at the problem of existing circuit breaker outlet seat production cost height and installation inconvenience.
The purpose of this utility model can realize by following technical proposal: a kind of circuit breaker outlet seat, be arranged on the support of circuit breaker, by going out wire terminal and contact arm is formed, described contact arm with go out wire terminal and be connected, it is characterized in that described contact arm is made up of separate arm body and contact, arm body and contact are cylindric, wherein the arm body with go out wire terminal and be connected, be connected by connector between described arm body and the contact.
Circuit breaker is arranged on the circuit breaker cradle with the outlet seat, by going out wire terminal and contact arm two parts are formed, goes out wire terminal and links to each other with circuit breaker cradle, and contact arm matches with Mume flower contact on the contact box.Contact arm in the utility model is made up of arm body and contact two parts, can make the size of contact do shortlyer arm body separated into two parts, so not only be convenient to being connected of arm body and outlet seat, and provide the foundation for the arm body adopts the more cheap electric conducting material of other prices.
Above-mentioned circuit breaker with the outlet seat in, described arm body with go out wire terminal and be connected as a single entity.The arm body adopts integral structure that outlet holder structure of the present utility model is become simply with going out wire terminal, has simplified production technology.
Use in the outlet seat at above-mentioned circuit breaker, described arm body adopts aluminum to make.Aluminium has conductivity preferably, and price is more cheap than copper simultaneously, can reduce the cost of product.
Use in the outlet seat at above-mentioned circuit breaker, described contact adopts copper product to make.When contact is connected to Mume flower contact on the contact box, can produce high-voltage arc between contact and the Mume flower contact, high-voltage arc has high temperature, and the high-melting-point of copper can prevent contact Yin Gaowen and melt, and the good conductivity of copper, can play electric action well.
Above-mentioned circuit breaker with the outlet seat in, the inner side mounting thread of described arm body, the medial surface of contact is provided with block piece, described connector is a bolt, this bolt pass above-mentioned block piece and with the arm body by being threaded.By bolt can make two of arm body and contacts independently part link together.
Use in the outlet seat at above-mentioned circuit breaker, described block piece and contact are connected as a single entity.The structure of integral type is maintained fixed the position of block piece, makes being connected firmly and can not becoming flexible between arm body and the contact.
Above-mentioned circuit breaker with the outlet seat in, describedly go out wire terminal and be provided with flange, on flange, be provided with two location holes, be provided with the strip groove corresponding on the surface of arm body with each location hole, the direction of described groove is consistent with the direction of location hole.Circuit breaker is fixed on by flange on the support of circuit breaker with the outlet seat, because the aperture part of location hole stopped by the arm body, stays next groove after this part the arm body cutting that stops location hole is gone, and groove is done being in strip, and is not only attractive in appearance but also have a guide effect.
Compared with prior art, outlet seat provided by the utility model is divided into arm body and contact two parts with contact arm, thereby make good conductivity and low-cost electric conducting materials such as the independent use aluminium of arm physical efficiency, assemble connection by the short contact of length simultaneously, make assembling, dismounting, the maintenance of outlet seat become convenient.Go out wire terminal and arm body and adopt integral connecting structure, production and processing is simple.
Description of drawings
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the cross-sectional view along the A-A among Fig. 1.
Fig. 3 is the use structural representation of the outlet seat of existing circuit breaker.
Among the figure, 1, go out wire terminal; 2, arm body; 3, contact; 4, through hole one; 5, through hole two; 6, flange; 7, location hole; 8, groove; 9, block piece; 10, vacuum interrupter; 11, Mume flower contact; 12, contact arm.
Embodiment
As shown in Figure 1, this circuit breaker with the outlet seat by go out wire terminal 1, contact arm 2 is formed.
As shown in Figure 1, whole circuit breaker is column with the outlet seat, and contact arm is made up of arm body 2 and contact 3 two parts, goes out wire terminal 1, arm body 2 and contact 3 and links to each other successively.Go out wire terminal 1 and be connected on the circuit breaker cradle, arm body 2 with go out wire terminal 1 and be fixed together, be connected by bolt between contact 3 and the arm body 2, the other end of contact 3 matches with Mume flower contact 11 on the contact box, contact box is arranged on the high-tension circuit.
Arm body 2 and contact 3 are cylindric, and its inside is through hole 1 and through hole 25, and contact 3 is identical with the external diameter of arm body 2, and the diameter of through hole 1 is less than the diameter of through hole 25.The medial surface of contact 3 is provided with a block piece 9.The inner side mounting thread of arm body 2.Bolt passes block piece 9 and arm body 2 by being threaded.
Arm body 2 with go out wire terminal 1 and be connected as a single entity, and all adopt aluminum to be made, contact 3 adopts copper products to make.Contact 3 matches with Mume flower contact 11 on the contact box, after circuit is connected, can the generation high-voltage arc between contact 3 and the Mume flower contact 11, and the high-melting-point of copper can prevent that contact 3 from melting because of high temperature.Arm body 2 and go out wire terminal 1 and be connected as a single entity and all adopt aluminum to make, processing, convenient for production, and the price of aluminium is cheaply many than copper, and both economical in the production.
The conductivity of aluminium is about half of copper, but weight but has only 1/3rd of copper, therefore aluminium only needs 60% of copper mass just can reach the conductive capability identical with copper, arm body 2 in the utility model adopts aluminum to make, the external diameter of arm body 2 is identical with the external diameter of the contact 3 that adopts copper product to make, but the through-hole diameter that they are inner set is also inequality, the diameter of the through hole 1 that arm body 2 inside are provided with is less, and the diameter of the through hole 25 of contact 3 is bigger, the conductive section of arm body 2 is greater than the conductive section of contact 3, therefore adopt copper product to make at contact 3, under the situation that arm body 2 employing aluminums are made, arm body 2 can have identical conductive capability with contact 3.
As shown in Figure 1, go out wire terminal 1 surface and be provided with an annular flange flange 6, on annular flange flange 6, be provided with two location holes 7, after going out wire terminal 1 and circuit breaker cradle cooperating, screw will go out wire terminal 1 by location hole 7 and be fixed on the circuit breaker cradle, be provided with and each location hole 7 corresponding grooves 8 on the surface of arm body 2, the direction of groove 9 is consistent with the direction of location hole 7.During installation, screw is positioned at groove 8 places, passes location hole 7 and will go out wire terminal 1 and be fixed on the circuit breaker cradle.
Claims (7)
1, a kind of circuit breaker outlet seat, be arranged on the support of circuit breaker, formed by going out wire terminal (1) and contact arm, described contact arm with go out wire terminal (1) and be connected, it is characterized in that described contact arm is made up of separate arm body (2) and contact (3), arm body (2) and contact (3) are cylindric, wherein arm body (2) with go out wire terminal (1) and be connected, be connected by connector between described arm body (2) and the contact (3).
2, circuit breaker according to claim 1 outlet seat is characterized in that, described arm body (2) with go out wire terminal (1) and be connected as a single entity.
3, circuit breaker according to claim 2 outlet seat is characterized in that, described arm body (2) adopts aluminum to make.
According to claim 1 or 2 or 3 described circuit breaker outlet seats, it is characterized in that 4, described contact (3) adopts copper product to make.
5, circuit breaker according to claim 4 outlet seat, it is characterized in that, the inner side mounting thread of described arm body (2), the medial surface of contact (3) is provided with block piece (9), described connector is a bolt, this bolt pass above-mentioned block piece (9) and with arm body (2) by being threaded.
6, circuit breaker according to claim 5 outlet seat is characterized in that, described block piece (9) is connected as a single entity with contact (3).
7, circuit breaker according to claim 4 outlet seat, it is characterized in that, describedly go out wire terminal (1) and be provided with flange (6), on flange (6), be provided with two location holes (7), be provided with the strip groove (8) corresponding with each location hole (7) on the surface of arm body (2), the direction of described groove (8) is consistent with the direction of location hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048810 CN200983341Y (en) | 2006-12-12 | 2006-12-12 | Out line base for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048810 CN200983341Y (en) | 2006-12-12 | 2006-12-12 | Out line base for breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200983341Y true CN200983341Y (en) | 2007-11-28 |
Family
ID=38910492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048810 Expired - Fee Related CN200983341Y (en) | 2006-12-12 | 2006-12-12 | Out line base for breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200983341Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972971A (en) * | 2017-05-31 | 2018-12-11 | 镇江巨能电气有限公司 | A kind of novel contact box production mold |
| CN114005711A (en) * | 2021-10-22 | 2022-02-01 | 泉州市大西洋电力科技有限公司 | Special-shaped structure of upper and lower outlet terminals of circuit breaker and installation method thereof |
-
2006
- 2006-12-12 CN CN 200620048810 patent/CN200983341Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972971A (en) * | 2017-05-31 | 2018-12-11 | 镇江巨能电气有限公司 | A kind of novel contact box production mold |
| CN114005711A (en) * | 2021-10-22 | 2022-02-01 | 泉州市大西洋电力科技有限公司 | Special-shaped structure of upper and lower outlet terminals of circuit breaker and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071128 Termination date: 20101212 |