CN202058667U - Coupling mechanism for drawer type breaker - Google Patents
Coupling mechanism for drawer type breaker Download PDFInfo
- Publication number
- CN202058667U CN202058667U CN2011201758530U CN201120175853U CN202058667U CN 202058667 U CN202058667 U CN 202058667U CN 2011201758530 U CN2011201758530 U CN 2011201758530U CN 201120175853 U CN201120175853 U CN 201120175853U CN 202058667 U CN202058667 U CN 202058667U
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- CN
- China
- Prior art keywords
- conducting strip
- fixed head
- strip
- support
- bus
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- 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 relates to a coupling mechanism for a drawer type breaker. The coupling mechanism comprises a bus, a support, conducting strips, an elastic sheet, a stop rod and a stop collar, wherein the support is provided with a fixed plate, both sides of the fixed plate are respectively and symmetrically provided with a conducting strip, the outer side of each conducting strip is combined with at least one elastic sheet corresponding to the conducting strip in a manner of butt joint, and the conducting strip and the elastic sheet are fixed on the fixed plate through the stop rod and the stop collar. The coupling mechanism for a drawer type breaker has the characteristics of small volume, small copper consumption, convenient assembling, strong error correcting property, good heat radiation effect, simple processing technology, flexible assembling mode and excellent conductive contact property.
Description
Technical field
The utility model relates to electrical equipment manufacturing technology field, is specifically related to a kind of bindiny mechanism of withdrawable circuit breaker.
Background technology
At present, make the field at electrical equipment, the electric circuit bindiny mechanism of circuit breaker and drawout chassis adopts bridge-shaped contact to be connected, there are a lot of deficiencies in the bridge-shaped contact that uses on the market now, and bridge-shaped contact structural design as shown in Figure 1 is unreasonable, and volume is big, amount of copper consuming is big, increase Financial cost, and the assembling difficulty, spring easy deformation even inefficacy, the conduction contact is poor, bridge-shaped contact because of contact resistance is big, makes heat bigger when overcurrent, heat difficulty spreads out of, reduce to produce the circuit breaker performance, and the structural limitations of this bridge-shaped contact, the mode of connection that compound mode is dumb have been had a strong impact on.
Summary of the invention
Deficiency at the prior art existence, the purpose of this utility model is to provide that a kind of volume is little, amount of copper consuming is little, easy to assembly, correction property is strong, good heat dissipation effect, processing technology is simple, assembling mode is flexible and conduct electricity the bindiny mechanism of the good withdrawable circuit breaker of contact.
For achieving the above object, the utility model provides following technical scheme: the bindiny mechanism of this withdrawable circuit breaker, comprise bus, support and conducting strip, also include flexure strip, gag lever post and stop collar, described support is provided with fixed head, the both sides of described fixed head are symmetrically arranged with at least one conducting strip respectively, and the outside of each conducting strip and closing is docked to a rare corresponding with it flexure strip, and this conducting strip and flexure strip are by gag lever post with stop collar is spacing is fixed on the fixed head.
By adopting technique scheme, the utility model reasonable in design, not only volume is little, has increased heat-dissipating space, and has reduced amount of copper consuming, the pressure that described flexure strip is applied on the conducting strip can be regulated by the length of stop collar, it is simple to make the utility model add technology, easy to assembly, has guaranteed the reliability of the contact of every group of conducting strip again, fixed head can rotate in support, and convenient every group of bridge-shaped contact has the automatic deviation correction function.
The utility model further device is: described conducting strip has the arcwall face of an end in contact face for projection at least.By adopting technique scheme, the arcwall face synchronism of the conducting strip in every group of bridge-shaped contact is good, simultaneously big with the contact-making surface of bus, makes the contact-making surface of arc reduce contact resistance, and thermal diffusivity is good, can effectively reduce temperature rise.
The utility model further device is: described flexure strip is a spring bearer plate, and described spring bearer plate provides pressure for conducting strip.By adopting technique scheme, easy to assembly, guaranteed that better the contact reliability of every group of conducting strip and regulating spring pressing plate are applied to the pressure on the conducting strip.
The utility model further device is: the conducting strip arcwall face on described fixed head both sides constitutes the jaw of bridge-shaped contact jointly, and bus and arcwall face jaw interference fit are fixedly mounted on the bus with support.By adopting technique scheme, can use by reality and need carry out combination in any, the mode of connection is flexible, and is easy to assembly.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is prior art constructions figure;
Fig. 2 is the structure chart of the utility model embodiment;
Fig. 3 is the structure chart of the single mode of connection of the utility model embodiment;
Fig. 4 is the structure chart of the double mode of connection of the utility model embodiment;
Fig. 5 is the structure chart of the utility model embodiment list slotting tool mode of connection;
Fig. 6 is the structure chart of the two slotting tool modes of connection of the utility model embodiment.
Embodiment
Referring to Fig. 2 and Fig. 3, the bindiny mechanism of the disclosed withdrawable circuit breaker of the utility model, comprise bus 9, support 4 and conducting strip 2, also include flexure strip 1, gag lever post 5 and stop collar 6, described support 4 is provided with fixed head 3, the both sides of described fixed head 3 are symmetrically arranged with at least one conducting strip 2 respectively, and the outside of each conducting strip 2 and closing is docked to a rare corresponding with it flexure strip 1, and this conducting strip 2 and flexure strip 1 are by gag lever post 5 and stop collar 6 spacing being fixed on the fixed head 3.Described conducting strip 2 can be for single or multiple, and the preferred conducting strip 2 of present embodiment is two rows, and described two row's conducting strips 2 are fixedly mounted on the both sides of fixed head 3, guaranteed the reliability of the contact of every group of conducting strip 2.
In the middle of the described support 4 groove that holds fixed head 3 is arranged, described fixed head 3 is packed in the groove of support 4, described fixed head 3 two ends and support 4 adopt axle sleeve 11 and a plain screw to flexibly connect, and described fixed head 3 can rotate in support 4, and every group of bridge-shaped contact has the automatic deviation correction function.
Described gag lever post 5 can be arranged to rivet or bearing pin class, the preferred gag lever post 5 of the utility model is long stop screw, for making limit effect better, all be provided with through hole on described conducting strip 2, flexure strip 1 and the fixed head 3, on stop screw 5, go back stop collar 6 of socket, this conducting strip 2 and spring bearer plate 1 pass stop collar 6 by stop screw 5 and are installed on the fixed head 3, and be provided with pad 7 and nut 8 and add and fasten, described stop collar 6 is in the hole of conducting strip 2 and flexure strip 1, and conducting strip 2 and flexure strip 1 can be up and down along stop collar 6.
Described conducting strip 2 has the arcwall face of an end in contact face for projection at least.The contact-making surface of described conducting strip 2 can be arranged to other way of contact, and as point or line contact, the preferred conducting strip 2 of present embodiment is a tooth-shape structure, contact-making surface is an arcwall face 21, the technical program advantage is the contact resistance that can reduce conducting strip 2, and thermal diffusivity is good, can effectively reduce temperature rise.
Described flexure strip 1 is a spring bearer plate, and described spring bearer plate 1 provides pressure for conducting strip.Described spring bearer plate 1 two ends are pressed in the arcwall face end of conducting strip 2 projectioies, and spring bearer plate 1 is gapped with the mid portion that conducting strip 2 cooperates, and when conducting strip 2 was stressed, spring bearer plate 1 was applied to pressure on conducting strip 2 and bus 9 contact positions all the time.
The arcwall face of described conducting strip 2 on fixed head 3 both sides constitutes the jaw of bridge-shaped contact jointly, and bus 9 and arcwall face jaw interference fit are fixedly mounted on the bus 9 with support 4.
Referring to Fig. 3 to Fig. 6 the mode of connection of the present utility model is elaborated.
Referring to Fig. 3, the single mode of connection of the present utility model, described bus 9 is a T shape structure, the centre is provided with the projection 91 to upper process, described projection 91 and the described jaw interference fit of forming near conducting strip 2, conducting strip 2 promotes spring bearer plate 1, and spring bearer plate 1 applies an opposite force F ' on conducting strip 2, produce contact pressure with bus 9, described bus 9 is fixedlyed connected with support 4 with fixed head 3 by bus trip bolt 10.
Referring to Fig. 4, the double mode of connection of the present utility model, its principle is exactly to add one group of bridge-shaped contact on the basis of described embodiment 1 again, described bus 9 is provided with two projections 91,92 to upper process, the jaw that conducting strip 2 constitutes on described two bridge-shaped contacts respectively with described projection 91 and projection 92 interference fit, two sides contact the becoming four sides contact by original reduces contact resistance, reduce temperature rise, and be fastened on the bus with bus trip bolt 10.
Referring to Fig. 5, single slotting tool mode of connection of the present utility model, its principle is exactly to be taken in slotting tool 12 on the basis of embodiment 1 when the F1 direction is inserted conducting strip 2 in the bridge-shaped contact, promoting both sides conducting strip 2 moves to both sides, fixed head 3 is placed in the middle along axle sleeve 11 rotation adjustment bridge-shaped contacts and slotting tool 12 positions, and spring bearer plate 1 is exerted pressure to slotting tool 12 along F ' direction and produced contact.
Referring to Fig. 6, the two slotting tool modes of connection of the utility model, its principle is exactly to be taken in U-shaped slotting tool 13 on the basis of embodiment 2 when the F2 direction is inserted two groups of conducting strips 2 in the bridge-shaped contact, promoting both sides conducting strip 2 moves to both sides, it is placed in the middle with slotting tool 13 positions that fixed head 3 in two groups of bridge-shaped contacts is adjusted bridge-shaped contacts along axle sleeve 11 rotations, and spring bearer plate 1 is along F " slotting tool 13 is exerted pressure to produce to be contacted.
Claims (4)
1. the bindiny mechanism of a withdrawable circuit breaker, comprise bus, support and conducting strip, it is characterized in that: also include flexure strip, gag lever post and stop collar, described support is provided with fixed head, the both sides of described fixed head are symmetrically arranged with at least one conducting strip respectively, the outside of each conducting strip and closing is docked to a rare corresponding with it flexure strip, and this conducting strip and flexure strip are by gag lever post with stop collar is spacing is fixed on the fixed head.
2. the bindiny mechanism of withdrawable circuit breaker according to claim 1 is characterized in that: described conducting strip has the arcwall face of an end in contact face for projection at least.
3. the bindiny mechanism of withdrawable circuit breaker according to claim 2, it is characterized in that: described flexure strip is a spring bearer plate, and described spring bearer plate provides pressure for conducting strip.
4. according to the bindiny mechanism of claim 1 or 2 or 3 described withdrawable circuit breakers, it is characterized in that: the conducting strip arcwall face on described fixed head both sides constitutes the jaw of bridge-shaped contact jointly, bus and arcwall face jaw interference fit are fixedly mounted on the bus with support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201758530U CN202058667U (en) | 2011-05-27 | 2011-05-27 | Coupling mechanism for drawer type breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201758530U CN202058667U (en) | 2011-05-27 | 2011-05-27 | Coupling mechanism for drawer type breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202058667U true CN202058667U (en) | 2011-11-30 |
Family
ID=45018633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201758530U Expired - Fee Related CN202058667U (en) | 2011-05-27 | 2011-05-27 | Coupling mechanism for drawer type breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202058667U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177907A (en) * | 2011-12-20 | 2013-06-26 | 首瑞（北京）投资管理集团有限公司 | Electric connection structure |
| CN103295850A (en) * | 2012-02-24 | 2013-09-11 | 北京人民电器厂有限公司 | Electric connection structure of circuit breaker |
| CN104332910A (en) * | 2013-07-22 | 2015-02-04 | 上海良信电器股份有限公司 | Rotatable clamping electric connection mechanism |
-
2011
- 2011-05-27 CN CN2011201758530U patent/CN202058667U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177907A (en) * | 2011-12-20 | 2013-06-26 | 首瑞（北京）投资管理集团有限公司 | Electric connection structure |
| CN103177907B (en) * | 2011-12-20 | 2015-03-18 | 首瑞（北京）投资管理集团有限公司 | Electric connection structure |
| CN103295850A (en) * | 2012-02-24 | 2013-09-11 | 北京人民电器厂有限公司 | Electric connection structure of circuit breaker |
| CN104332910A (en) * | 2013-07-22 | 2015-02-04 | 上海良信电器股份有限公司 | Rotatable clamping electric connection mechanism |
| CN104332910B (en) * | 2013-07-22 | 2017-09-29 | 上海良信电器股份有限公司 | A kind of rotary clamping electrical connection mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20150527 |
|
| EXPY | Termination of patent right or utility model |