CN215955209U - Connecting device of circuit breaker auxiliary switch - Google Patents
Connecting device of circuit breaker auxiliary switch Download PDFInfo
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- CN215955209U CN215955209U CN202122562904.1U CN202122562904U CN215955209U CN 215955209 U CN215955209 U CN 215955209U CN 202122562904 U CN202122562904 U CN 202122562904U CN 215955209 U CN215955209 U CN 215955209U
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- auxiliary switch
- circuit breaker
- connecting plate
- crank arm
- clamping groove
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Abstract
The utility model provides a circuit breaker auxiliary switch's connecting device, circuit breaker is provided with main shaft, auxiliary switch and be used for transmitting the divide-shut brake signal of main shaft for auxiliary switch's connecting device including the circuit breaker frame in the circuit breaker frame, and connecting device is including setting up at main epaxial crank arm, at least connecting plate and setting at the connecting block of auxiliary switch output, characteristics: the two ends of the connecting plate are respectively hinged with the crank arm and the connecting block through connecting pieces, a first connecting part used for connecting the connecting plate in standard configuration and at least one second connecting part used for connecting the connecting plate in optional configuration are arranged on each connecting piece, and a limiting device used for realizing positioning and installation of the connecting plate is arranged between the first connecting part and the second connecting part or between the adjacent second connecting parts. The advantages are that: the method is beneficial to reducing the types and the number of accessories and the investment cost of the die equipment, improving the efficiency of processing and assembling, reducing the inventory of enterprises, saving the production cost and improving the applicability of products.
Description
Technical Field
The utility model belongs to the technical field of circuit breakers, and particularly relates to a connecting device of an auxiliary switch of a circuit breaker.
Background
The circuit breaker is one of the main executing elements for power distribution and fault removal of the power system, is a main protection element for high-voltage power distribution, and directly influences the safety and the economy of power operation. The circuit breaker is usually provided with an auxiliary switch, and the auxiliary switch is used for responding to the action of the circuit breaker operating mechanism and changing the on-off state of the auxiliary switch so as to provide an electric indication signal of the operating state of the circuit breaker.
The structure of the connecting device of the auxiliary switch of the circuit breaker in the prior art is disclosed by figure 1, the circuit breaker comprises a circuit breaker frame, the circuit breaker frame in be provided with main shaft 1, auxiliary switch 2 and be used for connecting main shaft 1, auxiliary switch 2's connecting device 3, connecting device 3 include crank arm 31, connecting plate 33 and connecting block 34, crank arm 31 is fixed to be set up on main shaft 1, connecting block 34 is fixed to be set up at micro-gap switch 2's output, the both ends of connecting plate 33 are articulated with crank arm 31, connecting block 34 respectively. The disadvantages of the connecting device in practical use are as follows: because the connecting plate is too weak, when being used for satisfying the breaker of long-life or high-speed disconnected occasion, need increase the intensity of connecting plate, then need dispose different specifications in order to satisfy the connecting plate of different intensity requirements, can increase the input cost of mould equipment like this, increase the kind, the quantity and the enterprise's stock of accessory to all cause inconvenience to material management and installation, brought inconvenience for production and repacking.
In view of the above-mentioned prior art, there is a need for a connection device for an auxiliary switch of a circuit breaker suitable for general applications and for long-life or high-speed breaking applications. The technical solutions described below have been created in this context.
Disclosure of Invention
The utility model aims to provide a connecting device of an auxiliary switch of a circuit breaker, which is beneficial to reducing the types and the number of accessories and the input cost of mould equipment, improving the efficiency of processing and assembling, reducing the inventory of enterprises, saving the production cost and improving the applicability of products.
The object of the utility model is achieved by a connection device for an auxiliary switch of a circuit breaker, said circuit breaker comprising a circuit breaker frame, a main shaft, an auxiliary switch and a connecting device for transmitting the opening and closing signals of the main shaft to the auxiliary switch are arranged in the breaker frame, the connecting device comprises a crank arm fixedly arranged on the main shaft, at least one connecting plate and a connecting block fixedly arranged at the output end of the auxiliary switch, two ends of the connecting plate in the length direction are respectively hinged with the crank arm and the connecting block through connecting pieces, the connecting piece is provided with a first connecting part for connecting plates in standard configuration and at least one second connecting part for connecting plates in optional configuration, and a limiting device used for realizing positioning and installation of the connecting plate is arranged between the first connecting part and the second connecting part or between the adjacent second connecting parts.
In a specific embodiment of the present invention, the connecting member is provided with a first engaging groove, at least one second engaging groove, and an end limiting portion, wherein a first connecting portion is formed between the first engaging groove and the end limiting portion, and a second connecting portion is formed between the first engaging groove and the second engaging groove and between adjacent second engaging grooves.
In another specific embodiment of the utility model, if the connecting plate is not additionally arranged, the limiting device is arranged in the first clamping groove; if install the connecting plate additional, stop device set up in the second draw-in groove of corresponding side.
In another specific embodiment of the present invention, the position limiting device is a snap spring.
In another specific embodiment of the utility model, the length of the first connecting part is not less than the sum of the thicknesses of the connecting plate and the crank arm.
In yet another specific embodiment of the present invention, the length of the second connecting portion is not less than the thickness of the connecting plate.
After the structure is adopted, the utility model has the advantages that: the type and the number of accessories and the input cost of the die equipment can be reduced, so that the inventory of enterprises is reduced, the production cost is saved, the processing and assembling efficiency can be improved, the application range of products is expanded, and the circuit breaker is suitable for circuit breakers in common application occasions and circuit breakers in long service life or high-speed breaking occasions.
Drawings
Fig. 1 is a schematic structural diagram of a connecting device of an auxiliary switch of a circuit breaker in the prior art.
Fig. 2 is a schematic structural diagram of a connection device of an auxiliary switch of a circuit breaker according to an embodiment of the present invention.
Fig. 3 is a plan view of the embodiment of fig. 2.
Fig. 4 is a schematic structural diagram of an embodiment of the connecting member according to the present invention.
In the figure: 1. a main shaft; 2. an auxiliary switch; 3. the connecting device comprises a connecting device, 31, a crank arm, 32, a connecting piece, 321, a first connecting part, 322, a second connecting part, 323, a first clamping groove, 324, a second clamping groove, 325, an end limiting part, 33, a connecting plate, 34, a connecting block and 35 clamp springs.
Detailed Description
The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions, and any changes in form and not essential to the inventive concept should be regarded as the protection scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the positions shown in the corresponding drawings, and thus, should not be construed as particularly limiting the technical solution provided by the present invention.
Referring to fig. 2 to 4, the present invention relates to a connecting device for an auxiliary switch of a circuit breaker, the circuit breaker includes a circuit breaker frame, a main shaft 1, an auxiliary switch 2 and a connecting device 3 for transmitting a switching signal of the main shaft 1 to the auxiliary switch 2 are disposed in the circuit breaker frame, and the connecting device 3 includes a crank arm 31 fixedly disposed on the main shaft 1, at least one connecting plate 33 and a connecting block 34 fixedly disposed at an output end of the auxiliary switch 2.
The technical key points of the technical scheme provided by the utility model are as follows: the two ends of the connecting plate 33 in the length direction are respectively hinged with the crank arm 31 and the connecting block 34 through a connecting piece 32, the connecting piece 32 is provided with a first connecting part 321 for connecting the connecting plate 33 in the standard configuration and at least one second connecting part 322 for connecting the connecting plate 33 in the optional configuration, and a limiting device for realizing the positioning and installation of each connecting plate 33 is arranged between the first connecting part 321 and the second connecting part 322 or between the adjacent second connecting parts 322. In the present embodiment, the aforementioned second connection portion 322 is illustrated as one.
Specifically, the connecting member 32 is provided with a first engaging groove 323, at least one second engaging groove 324 and an end limiting portion 325, a first connecting portion 321 is formed between the first engaging groove 323 and the end limiting portion 325, and a second connecting portion 322 is formed between the first engaging groove 323 and the second engaging groove 324 and between adjacent second engaging grooves 324. In this embodiment, as shown in fig. 4, the connecting element 32 is provided with a first engaging groove 323, a second engaging groove 324 and an end limiting portion 325, and the second engaging groove 324, the second connecting portion 322, the first engaging groove 323, the first connecting portion 321 and the end limiting portion 325 are sequentially arranged from left to right.
If the connecting plate 33 is not additionally arranged, the limiting device is arranged in the first clamping groove 323, namely, only one connecting plate 33 is used at the time, two ends of the connecting plate 33 are respectively hinged with the crank arm 31 and the connecting block 34, the connecting piece 32 at one end is arranged on the connecting plate 33 and the crank arm 31 in a penetrating manner, the connecting plate 33 and the crank arm 31 are positioned on the first connecting part 321 at the time, the two ends are positioned and installed through the limiting device and the end limiting part 325 which are positioned in the first clamping groove 323, the connecting piece 32 at the other end is arranged on the connecting plate 33 and the connecting block 34 in a penetrating manner, the connecting plate 33 and the connecting block 34 are positioned on the first connecting part 321 at the time, and the two ends are positioned and installed through the limiting device and the end limiting part 325 which are positioned in the first clamping groove 323.
If the connecting plate 33 is additionally arranged, the limiting device is arranged in the second clamping groove 324, namely, two connecting plates 33 are used at the time, two ends of the two connecting plates 33 are respectively hinged with the crank arm 31 and the connecting block 34, the connecting piece 32 at one end is arranged on the connecting plate 33 and the crank arm 31 in a penetrating manner, the marked connecting plate 33 and the crank arm 31 are arranged on the first connecting part 321, the additionally arranged connecting plate 33 is arranged on the second connecting part 322, the two ends of the additionally arranged connecting plate 33 are positioned and arranged through the limiting device and the end limiting part 325 which are arranged in the second clamping groove 324, the connecting piece 32 at the other end is arranged on the connecting plate 33 and the connecting block 34 in a penetrating manner, the marked connecting plate 33 and the crank arm 31 are arranged on the first connecting part 321, the additionally arranged connecting plate 33 is arranged on the second connecting part 322, and the two ends of the additionally arranged through the limiting device and the end limiting part 325 which are arranged in the second clamping groove 324 are positioned and arranged.
In this embodiment, the limiting device is preferably a snap spring 35.
Preferably, the length of the first connecting portion 321 is not less than the sum of the thicknesses of the connecting plate 33 and the crank arm 31.
Preferably, the length of the aforementioned second connection portion 322 is not less than the thickness of the connection plate 33.
Two or three or more second locking grooves 324 may be formed in the connecting member 32 according to the needs of the actual working field, in which case, the number of the corresponding second connecting portions 322 is two or three or more, and then it is also possible to arrange a corresponding number of additional connecting plates 33. The installation method is the same as the above embodiment, and will not be described herein.
After the structure is adopted, when the breaker changes the opening and closing state, the main shaft 1 rotates to drive the crank arm 31 to move, then the connecting plate 33 drives the connecting block 34 to move, and the connecting block 34 further drives the auxiliary switch 2 to convert, so that the conversion of electrical indication signals is completed.
Therefore, the connecting device of the auxiliary switch of the circuit breaker in the common application occasions and the long-service-life or high-speed breaking occasions has no specification of a newly-added connecting plate, compared with the prior art, the connecting device can reduce the types and the number of parts of the assembly, is favorable for saving the production cost and improving the processing and assembling efficiency.
Claims (6)
1. The utility model provides a circuit breaker auxiliary switch's connecting device, the circuit breaker including the circuit breaker frame in be provided with main shaft (1), auxiliary switch (2) and be used for transmitting the divide-shut brake signal of main shaft (1) for connecting device (3) of auxiliary switch (2), connecting device (3) including fixed crank arm (31), an at least connecting plate (33) that set up on main shaft (1) and fixed connecting block (34) that set up at auxiliary switch (2) output, its characterized in that: the connecting plate is characterized in that two ends of the connecting plate (33) in the length direction are respectively hinged with the crank arm (31) and the connecting block (34) through a connecting piece (32), a first connecting part (321) used for connecting the connecting plate (33) in standard configuration and at least one second connecting part (322) used for connecting the connecting plate (33) in optional configuration are arranged on the connecting piece (32), and a limiting device used for enabling the connecting plate (33) to be positioned and installed is arranged between the first connecting part (321) and the second connecting part (322) or between the adjacent second connecting parts (322).
2. The connecting device of an auxiliary switch of a circuit breaker according to claim 1, wherein the connecting member (32) is provided with a first clamping groove (323), at least one second clamping groove (324) and an end limiting portion (325), a first connecting portion (321) is formed between the first clamping groove (323) and the end limiting portion (325), and a second connecting portion (322) is formed between the first clamping groove (323) and the second clamping groove (324) and between the adjacent second clamping grooves (324).
3. A connecting device for an auxiliary switch of a circuit breaker according to claim 2, wherein said limiting device is disposed in the first engaging groove (323) without the connecting plate (33); if a connecting plate (33) is additionally arranged, the limiting device is arranged in the second clamping groove (324) on the corresponding side.
4. A device for connecting an auxiliary switch of a circuit breaker according to claim 3, wherein said limiting means is a snap spring (35).
5. A connecting device of an auxiliary switch of a circuit breaker according to claim 2, wherein the length of the first connecting portion (321) is not less than the sum of the thicknesses of the connecting plate (33) and the crank arm (31).
6. A connecting device of an auxiliary switch of a circuit breaker according to claim 2, wherein the length of the second connecting portion (322) is not less than the thickness of the connecting plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122562904.1U CN215955209U (en) | 2021-10-25 | 2021-10-25 | Connecting device of circuit breaker auxiliary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122562904.1U CN215955209U (en) | 2021-10-25 | 2021-10-25 | Connecting device of circuit breaker auxiliary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215955209U true CN215955209U (en) | 2022-03-04 |
Family
ID=80410693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122562904.1U Active CN215955209U (en) | 2021-10-25 | 2021-10-25 | Connecting device of circuit breaker auxiliary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215955209U (en) |
-
2021
- 2021-10-25 CN CN202122562904.1U patent/CN215955209U/en active Active
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