CN202957192U - Flexible coupling and conductive block fixing structure for low-voltage vacuum circuit breaker - Google Patents
Flexible coupling and conductive block fixing structure for low-voltage vacuum circuit breaker Download PDFInfo
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- CN202957192U CN202957192U CN 201220682503 CN201220682503U CN202957192U CN 202957192 U CN202957192 U CN 202957192U CN 201220682503 CN201220682503 CN 201220682503 CN 201220682503 U CN201220682503 U CN 201220682503U CN 202957192 U CN202957192 U CN 202957192U
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- mating part
- flexible coupling
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- circuit breaker
- vacuum circuit
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Abstract
The utility model discloses a flexible coupling and conductive block fixing structure for a low-voltage vacuum circuit breaker, and belongs to the technical field of low-voltage apparatuses. The fixing structure comprises a flexible coupling and a conductive block. One end of the flexible coupling forms a first coupling end at which a first adaptation part is arranged, and the other end of the flexible coupling forms a second coupling end which is electrically connected with an incoming line bank fixed on a shell of the low-voltage vacuum circuit breaker. One end of the conductive block faces the first adaptation part, and a second adaptation part is arranged at the end, and is electrically connected with the first adaptation part. The fixing structure is characterized in that the first and second adaptation parts are integrally and electrically connected in a welding way from one ends to the other ends in the length directions of the first and second adaptation parts. The fixing structure has the advantages that the first adaptation part at the first coupling end of the flexible coupling and the second adaptation part of the conductive block are integrally and electrically connected in the welding way, so that an overall contact effect of the flexible coupling and the conductive block is completely ensured, electrical properties can be improved, and heat conduction performance is favorably improved.
Description
Technical field
The utility model belongs to the low voltage electrical apparatus technology field, is specifically related to being flexible coupling and the conducting block fixed structure of a kind of low-voltage vacuum circuit breaker.
Background technology
Chinese invention patent application publication No. CN102097247A discloses " a kind of vacuum circuit-breaker with dynamoelectric force compensating circuit ", Fig. 2 by this patent application, the corresponding description of the signal of Fig. 3 and Fig. 5 and specification is known, leading to the outer conducting loop structure of circuit breaker insulation shell by moving conductive rod of vacuum arc extinguish chamber is: the moving conductive rod connected with the vacuum interrupter moving contact is connected conducting block, conducting block is connected with the flexible end be flexible coupling, and the other end be flexible coupling is connected with upper busbar, specifically at conducting block, on the end end face be flexible coupling, offer one group of fixing hole, and be flexible coupling towards an end of conducting block and offering the matching hole that quantity equates with the quantity of fixing hole in the position corresponding to fixing hole, screw in the aforementioned fixing hole on conducting block and will be flexible coupling and realize being electrically connected to conducting block through matching hole with hold-down screw.
Said structure is because conducting block is connected with the employing hold-down screw that is flexible coupling, therefore conducting block be flexible coupling between the larger gap of electrical contact surface existence of electrical contact surface and actual expectation, cause electric current contraction resistance herein to increase, both increased heating, be unfavorable for that again vacuum interrupter externally conducts heat, affect correlated parts useful life.
Along with the low-voltage vacuum circuit breaker rated operational current constantly increases, and the requirement of miniaturization, temperature rise is a problem can not be ignored, because it is related to overall performance and the functional reliability of circuit breaker.Therefore, be necessary the conductive structure that is flexible coupling is carried out to rational modification.
Summary of the invention
Task of the present utility model be to provide a kind of contribute to enlarge markedly be flexible coupling and conducting block between electrical-contact area and improve electric conductivity and improve being flexible coupling and the conducting block fixed structure of low-voltage vacuum circuit breaker of heat conductivility.
task of the present utility model completes like this, being flexible coupling and the conducting block fixed structure of a kind of low-voltage vacuum circuit breaker, comprise and being flexible coupling and conducting block, the end be flexible coupling is configured to the first link, be provided with one first mating part on this first link, the other end be flexible coupling is configured to the second link, this second link is electrically connected to the lead-in line row on the housing that is fixed on low-voltage vacuum circuit breaker, the end of this conducting block towards described the first mating part forms one second mating part, this second mating part is electrically connected to the first mating part, feature is: described the first mating part from an end of its length direction the end to the other end and the length direction of described the second mating part to the other end by welding whole the electrical connection.
In a specific embodiment of the present utility model, the side of corresponding the second mating part, described the first mating part is rectangular, and the side of corresponding the first mating part, the second mating part is rectangular, and two sides are welded and fixed.
In another specific embodiment of the present utility model, form one group of tenon is arranged with the interval state on described the first mating part and from an end to the other end of the length direction of the first mating part, and form with the interval state to the other end on described the second mating part and from an end of the length direction of the second mating part, one group of fourth of the twelve Earthly Branches is arranged, described tenon coordinates and is welded and fixed with the described mortise and tenon fourth of the twelve Earthly Branches.
In another specific embodiment of the present utility model, in the bottom of described the second mating part and be extended with one along the length direction of the second mating part 21 and connect step, described the first mating part with connect step and be welded and fixed.
The technical scheme that the utility model provides is because the first mating part on first link that will be flexible coupling is realized whole the electrical connection with the second mating part of conducting block by welding, thereby make both integral body contact effects be able to abundant guarantee, not only can improve electrical property, and contribute to improve heat conductivility.
The accompanying drawing explanation
Fig. 1 is the first enforcement illustration of the present utility model.
Fig. 2 is the second enforcement illustration of the present utility model.
Fig. 3 is the 3rd enforcement illustration of the present utility model.
Fig. 4 is that any one structure shown in Fig. 1 to Fig. 3 is installed on the application examples schematic diagram on low-voltage vacuum circuit breaker.
Embodiment
Embodiment 1:
Refer to Fig. 1 and Fig. 4, provided 1 and one conducting block 2 that is flexible coupling, 1 the end of being flexible coupling is that the left end of location status shown in Fig. 1 is configured to the first link 11 for being electrically connected to conducting block 2, be fixed with one first mating part 111 on this first link 11,1 the other end of being flexible coupling is that the right-hand member of location status shown in Fig. 1 is configured to the second link 12, as shown in Figure 4, the second link 12 is electrically connected to the lead-in line row 121 on the housing that is fixed on vacuum circuit-breaker, and 1 the middle part of being flexible coupling offers the slot to make way 13 that is flexible coupling.Conducting block 2 is corresponding to being flexible coupling 1 below, an end at conducting block 2 towards the first mating part 111 is that the left end formation shown in Fig. 1 has one second mating part 21, this second mating part 21 is electrically connected to the first mating part 111, at the middle part of conducting block 2 and offer the matching hole 22 that the movable feeler lever (Fig. 4 shows) for the vacuum interrupter 3 with low-voltage vacuum circuit breaker is electrically connected in the position corresponding to the slot to make way 13 that is flexible coupling.
External power source from lead-in line row 121 through being flexible coupling 1, conducting block 2, vacuum interrupter 3 inside contact systems, conductive seat 4 and outlet row 5 draw low-voltage vacuum circuit breaker, pour line into if low-voltage vacuum circuit breaker adopts, external power source successively from outlet row 5, conductive seat 4, vacuum interrupter 3 inside contact systems, conducting block 2, be flexible coupling 1 and lead-in line row 121 draw low-voltage vacuum circuit breaker.
Please see Fig. 1 by emphasis, the technical essential of the technical scheme provided as the utility model, in the present embodiment, corresponding the second 21De side, mating part, aforesaid described the first mating part 111 is rectangular, corresponding the first 111De side, mating part, the second mating part 21 is rectangular, and two sides are welded and fixed.Thereby embody both electrical connections, more particularly, the first mating part 111 is whole by welding to combine with the second mating part 21, and this structure can embody the technique effect described in the superincumbent technique effect of applicant hurdle.
Embodiment 2:
Refer to Fig. 2, form one group of tenon 1111 is arranged with the interval state on the first mating part 111 and from an end to the other end of the length direction of the first mating part 111, and form and have one group of fourth of the twelve Earthly Branches 211, tenon 1111 tenons to enter the fourth of the twelve Earthly Branches 211 and realize each other that Tenon coordinates and again by being welded and fixed with the interval state on aforesaid the second mating part 21 and from an end of the length direction of the second mating part 21 to the other end.Certainly, also the aforesaid fourth of the twelve Earthly Branches 211 can be called to tenon according to structure shown in Fig. 2, and aforesaid tenon 1111 is called to the fourth of the twelve Earthly Branches, both form staggered relation.All the other are all with the description to embodiment 1.
Embodiment 3:
Refer to Fig. 3, in the bottom of the second mating part 21 and be provided with one along the length direction of the second mating part 21 and connect step 212, the first mating parts 111 and connect step 212 and be welded and fixed.All the other are all with the description to embodiment 1.
Above-described embodiment is welded and fixed the first mating part 111 and the second mating part 21 employings, can make both adhere be integrated, and both actual electrical contact surfaces is maximized, thereby reduce contact resistance, reduces the node heating, and effectively increases heat conduction efficiency.
Claims (4)
1.
being flexible coupling and the conducting block fixed structure of a kind of low-voltage vacuum circuit breaker, comprise and being flexible coupling (1) and conducting block (2), the end of (1) of being flexible coupling is configured to the first link (11), be provided with one first mating part (111) on this first link (11), the other end of (1) of being flexible coupling is configured to the second link (12), this second link (12) is electrically connected to the lead-in line row (121) on the housing that is fixed on low-voltage vacuum circuit breaker, the end of this conducting block (2) towards described the first mating part (111) forms one second mating part (21), this second mating part (21) is electrically connected to the first mating part (111), it is characterized in that: described the first mating part (111) from an end of its length direction the end to the other end and the length direction of described the second mating part (21) to the other end by welding whole the electrical connection.
2.
Being flexible coupling and the conducting block fixed structure of low-voltage vacuum circuit breaker according to claim 1, the side that it is characterized in that corresponding the second mating part, described the first mating part (111) (21) is rectangular, the side of corresponding the first mating part, the second mating part (21) (111) is rectangular, and two sides are welded and fixed.
3.
Being flexible coupling and the conducting block fixed structure of low-voltage vacuum circuit breaker according to claim 1 and 2, it is characterized in that in described the first mating part (111) and form one group of tenon (1111) is arranged with the interval state from an end to the other end of the length direction of the first mating part (111), and upper and form with the interval state to the other end from an end of the length direction of the second mating part (21) one group of fourth of the twelve Earthly Branches (211) is arranged in described the second mating part (21), described tenon (1111) coordinates and is welded and fixed with the described fourth of the twelve Earthly Branches (211) Tenon.
4.
Being flexible coupling and the conducting block fixed structure of low-voltage vacuum circuit breaker according to claim 1 and 2, it is characterized in that in the bottom of described the second mating part (21) and be extended with one along the length direction of the second mating part (21) connecting step (212), described the first mating part (111) with connect step (212) and be welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682503 CN202957192U (en) | 2012-12-12 | 2012-12-12 | Flexible coupling and conductive block fixing structure for low-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682503 CN202957192U (en) | 2012-12-12 | 2012-12-12 | Flexible coupling and conductive block fixing structure for low-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957192U true CN202957192U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220682503 Expired - Lifetime CN202957192U (en) | 2012-12-12 | 2012-12-12 | Flexible coupling and conductive block fixing structure for low-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202957192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828229A (en) * | 2019-11-13 | 2020-02-21 | 深圳市凯合达智能设备有限公司 | Vacuum switch tube convenient to adjust connecting rod length |
-
2012
- 2012-12-12 CN CN 201220682503 patent/CN202957192U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828229A (en) * | 2019-11-13 | 2020-02-21 | 深圳市凯合达智能设备有限公司 | Vacuum switch tube convenient to adjust connecting rod length |
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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: 20130529 |