CN219892132U - Link mechanism for circuit breaker - Google Patents
Link mechanism for circuit breaker Download PDFInfo
- Publication number
- CN219892132U CN219892132U CN202320566744.4U CN202320566744U CN219892132U CN 219892132 U CN219892132 U CN 219892132U CN 202320566744 U CN202320566744 U CN 202320566744U CN 219892132 U CN219892132 U CN 219892132U
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- rod
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- utility
- circuit breaker
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- 230000007246 mechanism Effects 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a link mechanism for a circuit breaker, which comprises a main link and an auxiliary link, wherein the main link comprises a middle rod part, a connecting part and a head rod part, the connecting part and the head rod part are arranged at two ends of the middle rod part, the connecting part and the head rod part are integrally formed with the middle rod part, the auxiliary link comprises a main body part and a limiting part, one end of the main body part is rotatably arranged at the head part of the connecting part, the limiting part is arranged at the other end of the main body part, and the limiting part and the main body part are integrally formed. The utility model has the advantages of multiple limit protection, can realize normal use of the equipment when the first limit fails, and can ensure more stability in the afternoon process through the cooperation of the positioning seat and the anti-theft rod, thereby achieving the purpose of prolonging the whole service life of the equipment.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a link mechanism for a circuit breaker.
Background
A circuit breaker is a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time. The existing circuit breaker adopts a structure that a circuit breaking connecting rod rotates towards an L-shaped connecting rod, when the circuit breaking connecting rod collides with an anti-rotating shaft on the L-shaped connecting rod, a circuit breaking signal can be generated so that a circuit of the circuit breaker is broken, the anti-rotating shaft plays a role in preventing a sliding block on the rotating shaft from rotating in the circuit breaker, and also plays a limiting role simultaneously, when the anti-rotating shaft plays an anti-rotating role, the sliding block has a radial force on the anti-rotating shaft, when the circuit breaking connecting rod collides with the anti-rotating shaft for many times, the anti-rotating shaft or the circuit breaking connecting rod can break, so that the service life of the circuit breaker is shortened, the limiting structure of the existing circuit breaker is single, and once the circuit breaking connecting rod and the anti-rotating shaft cannot be normally protected.
Disclosure of Invention
The utility model provides a link mechanism for a circuit breaker, which is used for solving the problems in the background technology.
The utility model is realized in the following way:
the utility model provides a link mechanism for circuit breaker, includes main connecting rod and auxiliary link, the main connecting rod includes well pole portion, connecting portion and head pole portion establish the both ends at well pole portion, and connecting portion and head pole portion all with well pole portion integrated into one piece, auxiliary link includes main part and spacing portion, main part one end is rotated and is installed the head at connecting portion, spacing portion sets up the other end at main part, and spacing portion and main part integrated into one piece.
Further, the limiting part comprises a side ear plate and an inserting rod, wherein the side ear plates are symmetrically arranged at two ends of the inserting rod, and the side ear plates are vertically fixed with the inserting rod.
Further, a plurality of prevention adding rods are arranged on the middle rod part, and the prevention adding rods are vertically and fixedly connected with the middle rod part.
Further, the lower terminal surface of side ear board is provided with a plurality of positioning seats, positioning seat one end is provided with the opening that supplies to add the installation of preventing the pole, and positioning seat and side ear board integrated into one piece.
Further, the middle rod part is provided with a main shaft rod, and the main shaft rod is vertically and fixedly connected with the middle rod part.
Furthermore, the connecting hole is formed in the middle rod part, the main shaft rod is provided with a limiting groove matched with the connecting hole, and a clamping block is fixedly arranged in the limiting groove in a clamping mode.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has the advantages of multiple limit protection, can realize normal use of the equipment when the first limit fails, and can ensure more stability in the afternoon process through the cooperation of the positioning seat and the anti-theft rod, thereby achieving the purpose of prolonging the whole service life of the equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of the device of the present utility model;
FIG. 2 is a perspective view of the main link and main shaft of FIG. 1 mated;
FIG. 3 is a front view of the device of FIG. 2;
FIG. 4 is a perspective view of the secondary link shown in FIG. 1;
fig. 5 is a front view of the device of fig. 4.
In the figure: 1. a main connecting rod; 11. a middle rod part; 111. a connection hole; 12. a connection part; 13. a head and shaft portion; 14. adding an anti-theft rod; 2. a secondary connecting rod; 21. a main body portion; 22. a limit part; 221. side ear plates; 222. a rod; 223. a positioning seat; 3. a main shaft lever; 31. a limit groove; 32. and (5) clamping blocks.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
Referring to fig. 1, 2, 3, 4 and 5, a link mechanism for a circuit breaker includes a main link 1 and an auxiliary link 2, the main link 1 includes a middle lever 11, a connecting portion 12 and a head lever 13, the connecting portion 12 and the head lever 13 are respectively provided at both ends of the middle lever 11, and the connecting portion 12 and the head lever 13 are integrally formed with the middle lever 11, the auxiliary link 2 includes a main body 21 and a limiting portion 22, one end of the main body 21 is rotatably mounted at a head of the connecting portion 12, the limiting portion 22 is provided at the other end of the main body 21, and the limiting portion 22 is integrally formed with the main body 21. When the novel anti-theft device is used, the main connecting rod 1 and the auxiliary connecting rod 2 can be connected through the cooperation of the connecting part 12 and the tail end of the main body part 21 in a mutually rotating way, so that the inserted link 222 can rotate to the connecting part between the middle rod part 11 and the head rod part 13 to limit, and meanwhile, the purpose of increasing limit is achieved through the cooperation between the positioning seat 223 and the anti-theft rod 14, and the safe use of the whole device can be ensured even if the first limit fails.
The middle rod part 11 is provided with a plurality of prevention adding rods 14, and the prevention adding rods 14 are vertically and fixedly connected with the middle rod part 11. The middle rod part 11 is provided with a main shaft lever 3, and the main shaft lever 3 is vertically and fixedly connected with the middle rod part 11. The middle rod part 11 is provided with a connecting hole 111, the main shaft rod 3 is provided with a limiting groove 31 matched with the connecting hole 111, and a clamping block 32 is fixedly arranged in the limiting groove 31 in a clamping way. The connecting hole 111 is formed in the middle rod portion 11, so that the main shaft rod 3 can be conveniently and stably installed and clamped and fixed, and after the main shaft rod 3 is installed in the connecting hole 111, the main shaft rod 3 and the connecting hole can be mutually fixed through the clamping block 32, and the main shaft rod 3 can be guaranteed to drive the main connecting rod 1 to integrally rotate.
The limiting portion 22 includes a side ear plate 221 and an insert rod 222, the side ear plate 221 is symmetrically disposed at two ends of the insert rod 222, and the side ear plate 221 is vertically fixed with the insert rod 222. The lower end face of the side ear plate 221 is provided with a plurality of positioning seats 223, one end of each positioning seat 223 is provided with an opening for installing the anti-theft rod 14, and the positioning seats 223 and the side ear plate 221 are integrally formed. The purpose of limiting and fixing is achieved by arranging the positioning seat 223 to ensure the matching of the anti-theft rod 14, and the anti-theft rod 14 is convenient to install and use by arranging an opening at one end of the positioning seat 223.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The utility model provides a link mechanism for circuit breaker, includes main connecting rod (1) and vice connecting rod (2), its characterized in that: the utility model provides a main connecting rod (1) is including well pole portion (11), connecting portion (12) and head pole portion (13) divide to establish in the both ends of well pole portion (11), and connecting portion (12) and head pole portion (13) all with well pole portion (11) integrated into one piece, auxiliary link (2) include main part (21) and spacing portion (22), the head at connecting portion (12) is installed in main part (21) one end rotation, spacing portion (22) set up the other end at main part (21), and spacing portion (22) and main part (21) integrated into one piece, spacing portion (22) are including side ear plate (221) and inserted bar (222), side ear plate (221) symmetry sets up in the both ends of inserted bar (222), and side ear plate (221) are fixed with inserted bar (222) are perpendicular, install a plurality of and prevent pole (14) on well pole portion (11), prevent pole (14) and side ear plate (11) are connected with fixed carrier (223) and are provided with a plurality of locating carrier (223) and are located carrier (223) one end face setting.
2. A linkage mechanism for a circuit breaker according to claim 1, characterized in that the intermediate lever part (11) is fitted with a spindle lever (3), the spindle lever (3) being fixedly connected vertically to the intermediate lever part (11).
3. The link mechanism for the circuit breaker according to claim 2, wherein the middle rod part (11) is provided with a connecting hole (111), the main shaft rod (3) is provided with a limit groove (31) matched with the connecting hole (111), and a clamping block (32) is fixedly installed in the limit groove (31) in a clamping way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320566744.4U CN219892132U (en) | 2023-03-22 | 2023-03-22 | Link mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320566744.4U CN219892132U (en) | 2023-03-22 | 2023-03-22 | Link mechanism for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219892132U true CN219892132U (en) | 2023-10-24 |
Family
ID=88406096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320566744.4U Active CN219892132U (en) | 2023-03-22 | 2023-03-22 | Link mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219892132U (en) |
-
2023
- 2023-03-22 CN CN202320566744.4U patent/CN219892132U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |