CN201732748U - Busbar fixing device of breaker and cover plate thereof - Google Patents
Busbar fixing device of breaker and cover plate thereof Download PDFInfo
- Publication number
- CN201732748U CN201732748U CN2010201612125U CN201020161212U CN201732748U CN 201732748 U CN201732748 U CN 201732748U CN 2010201612125 U CN2010201612125 U CN 2010201612125U CN 201020161212 U CN201020161212 U CN 201020161212U CN 201732748 U CN201732748 U CN 201732748U
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- CN
- China
- Prior art keywords
- busbar
- cover plate
- hole
- pedestal
- fixture
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- Expired - Lifetime
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Abstract
The utility model relates to a busbar fixing device of a breaker, and a cover plate thereof, wherein the busbar fixing device of the breaker comprises a static contact, a base front bottom plate, a base rear bottom plate and a cover plate; the static contact is provided with a contact bridge which clamps the busbar; the base front bottom plate and the base rear bottom plate are connected to form a space containing the static contact; the cover plate is connected to the base rear bottom plate and provided with a square hole; the busbar passes through the square hole to be contacted with the contact bridge; the side wall of the square hole is provided with a fixing hole; the busbar is provided with a hole; and a fixing part passes through the aligned fixing hole and the hole to cause the busbar to be fixed in the square hole. The fixing device can prevent the busbar from dropping due to oscillation when the breaker is subjected to large current impact, thus avoiding accidents and effectively preventing the breaker from being damaged due to improper exertion when installing the breaker.
Description
Technical field
The utility model relates to the contact system of circuit breaker, more particularly, relates to the busbar fixture of circuit breaker.
Background technology
The contact system of circuit breaker in the market all is divided into moving contact and fixed contact two parts, be that fixed contact is fixed on the pedestal of circuit breaker, moving contact can move within the specific limits, by it with the contact of fixed contact or separate and reach the purpose that is switched on or switched off circuit breaker.
The circuit breaker that also has a kind of drawer type is connected busbar by touching bridge between body and drawer with fixed contact.
Be subjected to when circuit breaker under the impact of a big electric current, circuit breaker can produce violent vibrations, if only rely on the active force of the spring that touches bridge touch bridge, busbar is easy to get loose, so just at busbar and touch and produce electric arc between the bridge, the damage circuit breaker.
The fixed form that only relies on the active force touch the bridge inner spring that busbar is clamped is unsettled, this just need one more reliably fixed form busbar is fixed on the stationary contact headstock.
The utility model content
The utility model be intended to propose a kind of can be from the device of fixing busbar on several directions.
According to an embodiment of the present utility model, a kind of busbar fixture of circuit breaker is proposed, comprising: base plate and cover plate behind fixed contact, pedestal noseplate, the pedestal.Fixed contact has the bridge of touching, and touches bridge clamping busbar.Base plate is connected to form the space that holds fixed contact behind pedestal noseplate and the pedestal.Cover plate is connected to base plate behind the pedestal, has square hole on the cover plate, and busbar passes square hole and touches bridge joint and touch.Have fixing hole on the sidewall of square hole, have the hole on the busbar, fixing hole and hole that fixture passes aligning are fixed on busbar in the square hole.
Touch and have spring in the bridge.Cover plate is by screw or dowel fixes base plate behind the pedestal.Fixture is screw or pin.
According to an embodiment of the present utility model, disclosed a kind of cover plate of busbar fixture of circuit breaker, this cover plate is connected to base plate behind the pedestal of busbar fixture, has square hole on the cover plate, and busbar passes square hole and contacts with the fixed contact of busbar fixture.Have fixing hole on the sidewall of square hole, have the hole on the busbar, fixing hole and hole that fixture passes aligning are fixed on busbar in the square hole.
The busbar fixture comprises base plate and fixed contact behind pedestal noseplate, the pedestal, and base plate is connected to form the space that holds fixed contact behind pedestal noseplate and the pedestal.Fixed contact has the bridge of touching, and touches bridge clamping busbar, and busbar passes square hole and touches bridge joint and touches.
Touch and have spring in the bridge.Cover plate is by screw or dowel fixes base plate behind the pedestal.Fixture is screw or pin.
The utility model proposes a kind of can be from the fixed form of fixing busbar on several directions, this fixed form makes that busbar all has on all directions fixing reliably, take above-mentioned measure, can be so that circuit breaker be subjected under the heavy current impact, busbar is unlikely to come off because of vibrations, prevent the generation of accident, and also can effectively prevent from when circuit breaker is installed, to cause the damage of circuit breaker because of undue force.
Description of drawings
The above and other feature of the present utility model, character and advantage will become more obvious by the description below in conjunction with drawings and Examples, in the accompanying drawings, identical Reference numeral is represented identical feature all the time, wherein:
Fig. 1 has disclosed the structure chart according to the busbar fixture of an embodiment of the present utility model.
Fig. 2 has disclosed the schematic diagram according to the fixed contact clamping busbar of an embodiment of the present utility model.
Fig. 3 has disclosed the structure of cover plate figure according to an embodiment of the present utility model.
Embodiment
The utility model proposes a kind of can be from the fixed form of fixing busbar on several directions, according to this fixed form, the busbar fixture of circuit breaker comprises: base plate and cover plate behind fixed contact, pedestal noseplate, the pedestal.Fixed contact has the bridge of touching, and touches bridge clamping busbar.Base plate is connected to form the space that holds fixed contact behind pedestal noseplate and the pedestal.Cover plate is connected to base plate behind the pedestal, has square hole on the cover plate, and busbar passes square hole and touches bridge joint and touch.Have fixing hole on the sidewall of square hole, have the hole on the busbar, fixing hole and hole that fixture passes aligning are fixed on busbar in the square hole.
Wherein, an important improvement aspect is the cover plate that has proposed a kind of busbar fixture of circuit breaker, and this cover plate is connected to base plate behind the pedestal of busbar fixture, has square hole on the cover plate, and busbar passes square hole and contacts with the fixed contact of busbar fixture.Have fixing hole on the sidewall of square hole, have the hole on the busbar, fixing hole and hole that fixture passes aligning are fixed on busbar in the square hole.
Shown in Figure 3 with reference to figure 1-, disclosed according to an embodiment of the present utility model.Wherein Fig. 1 has disclosed the structure chart of busbar fixture, and Fig. 2 has disclosed the schematic diagram of fixed contact clamping busbar, and Fig. 3 has disclosed structure of cover plate figure.As shown in the figure, this busbar fixture cover plate 104 of having base plate 103 behind a fixed contact 101, pedestal noseplate 102, the pedestal and being connected with base plate 103 behind the pedestal.Wherein base plate 103 interconnects the back and forms a space behind pedestal noseplate 102, the pedestal, is used to hold fixed contact 101, has the bridge of touching 111 in the fixed contact 101, touches and is provided with spring 112 in the bridge 111.Touch bridge 111 clamping busbars 105.By the active force of spring 112, touch bridge 111 busbar 105 is clamped.Busbar 105 is to pass cover plate 104 to contact with fixed contact 101, and busbar 105 contacts simultaneously with cover plate 104 and fixed contact 101.Cover plate 104 is fixed on the base plate 103 behind the pedestal by screw.Have square hole 141 on cover plate 104, these square holes 141 are to be used for using when busbar 105 inserts circuit breaker.Have fixing hole 142 on the sidewall of square hole 141, have the hole (not shown) on the busbar 105, fixing hole 142 and hole (not shown) that fixture passes aligning are fixed on busbar 105 in the square hole 141.After busbar 105 inserts circuit breaker, can use fixture to pass fixing hole 142 and the hole (not shown) that is aligned with each other such as screw or pin, thereby in the horizontal direction busbar 105 is fixed on the cover plate 104, this fixed form makes that busbar 105 all has on all directions fixing reliably, take above-mentioned measure, can be so that circuit breaker be subjected under the heavy current impact, busbar is unlikely to come off because of vibrations, prevent the generation of accident, and also can effectively prevent from when circuit breaker is installed, to cause the damage of circuit breaker because of undue force.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present utility model; those skilled in the art can be under the situation that does not break away from utility model thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection range of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (9)
1. the busbar fixture of a circuit breaker is characterized in that, comprising:
Fixed contact (101), fixed contact (101) has the bridge of touching (111), touches bridge (111) clamping busbar (105);
Pedestal noseplate (102);
Base plate behind the pedestal (103), base plate (103) is connected to form the space that holds fixed contact (101) behind pedestal noseplate (102) and the pedestal;
Cover plate (104) is connected to base plate (103) behind the pedestal, has square hole (141) on the cover plate (104), and described busbar (105) passes described square hole (141) and contacts with the described bridge (111) that touches;
Have fixing hole (142) on the sidewall of described square hole (141), described busbar has the hole on (105), and fixing hole (142) and hole that fixture passes aligning are fixed on busbar (105) in the square hole (141).
2. busbar fixture as claimed in claim 1 is characterized in that,
Described touching has spring (112) in the bridge (111).
3. busbar fixture as claimed in claim 1 is characterized in that,
Described cover plate (104) is by screw or dowel fixes base plate (103) behind the pedestal.
4. busbar fixture as claimed in claim 1 is characterized in that,
Described fixture is screw or pin.
5. the cover plate of the busbar fixture of a circuit breaker is characterized in that, comprising:
This cover plate (104) is connected to base plate (103) behind the pedestal of busbar fixture, has square hole (141) on the cover plate (104), and busbar (105) passes described square hole (141) and contacts with the fixed contact (101) of busbar fixture;
Have fixing hole (142) on the sidewall of described square hole (141), described busbar has the hole on (105), and fixing hole (142) and hole that fixture passes aligning are fixed on busbar (105) in the square hole (141).
6. cover plate as claimed in claim 5 is characterized in that, described busbar fixture comprises:
Base plate (103) behind pedestal noseplate (102) and the pedestal, base plate (103) is connected to form the space that holds fixed contact (101) behind pedestal noseplate (102) and the pedestal;
Fixed contact (101) has the bridge of touching (111), touches bridge (111) clamping busbar (105), and busbar (105) passes described square hole (141) and touches bridge (111) and contact.
7. cover plate as claimed in claim 6 is characterized in that,
Described touching has spring (112) in the bridge (111).
8. cover plate as claimed in claim 5 is characterized in that,
Described cover plate (104) is by screw or dowel fixes base plate (103) behind the pedestal.
9. cover plate as claimed in claim 5 is characterized in that,
Described fixture is screw or pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201612125U CN201732748U (en) | 2010-04-16 | 2010-04-16 | Busbar fixing device of breaker and cover plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201612125U CN201732748U (en) | 2010-04-16 | 2010-04-16 | Busbar fixing device of breaker and cover plate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732748U true CN201732748U (en) | 2011-02-02 |
Family
ID=43523903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201612125U Expired - Lifetime CN201732748U (en) | 2010-04-16 | 2010-04-16 | Busbar fixing device of breaker and cover plate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593111A (en) * | 2012-02-23 | 2012-07-18 | 株洲南车时代电气股份有限公司 | IGBT (insulated gate bipolar transistor) module and manufacturing method of IGBT module |
| CN112821206A (en) * | 2021-02-07 | 2021-05-18 | 浙江世隆电气科技有限公司 | Novel closed bus structure of distribution electrical appliance |
-
2010
- 2010-04-16 CN CN2010201612125U patent/CN201732748U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593111A (en) * | 2012-02-23 | 2012-07-18 | 株洲南车时代电气股份有限公司 | IGBT (insulated gate bipolar transistor) module and manufacturing method of IGBT module |
| CN112821206A (en) * | 2021-02-07 | 2021-05-18 | 浙江世隆电气科技有限公司 | Novel closed bus structure of distribution electrical appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110202 |