CN221352674U - Tripping mechanism of circuit breaker - Google Patents
Tripping mechanism of circuit breaker Download PDFInfo
- Publication number
- CN221352674U CN221352674U CN202322917539.0U CN202322917539U CN221352674U CN 221352674 U CN221352674 U CN 221352674U CN 202322917539 U CN202322917539 U CN 202322917539U CN 221352674 U CN221352674 U CN 221352674U
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- shell
- front surface
- circuit
- circuit board
- armature
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- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of circuit breakers, and discloses a tripping mechanism of a circuit breaker, which comprises a main body assembly; the body assembly includes: a first shell, the front surface of which is provided with a second shell; the circuit board is arranged on the front surface of the shell; the jump button is rotationally connected to the front surface of the shell; the first shell is provided with a tripping assembly; the trip assembly includes: a third shell arranged on the front surface of the first shell; the armature is fixedly connected to the three sides of the shell; the cushion block is arranged on the side face of the armature; the utility model has the advantage of multifunctional protection, when electric leakage occurs, the armature is hit through the electronic tripping mechanism, so that after the trip button rotates, the circuit is disconnected, or the armature is adsorbed with the shell three, so that the circuit is disconnected, overload, short circuit and electric leakage protection effects on the circuit are achieved by arranging two groups of tripping modes, the safety is improved, and meanwhile, the problem that the tripping mode of the conventional circuit breaker is single is solved.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a tripping mechanism of a circuit breaker.
Background
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, and the division of a high-voltage boundary line and a low-voltage boundary line is fuzzy, and is generally called as a high-voltage electrical appliance with the voltage of more than 3 kV.
The circuit breaker in the market generally can set up electronic tripping device in inside, and when taking place the short circuit, the electric current of coil increases tens times, and the power of magnetic field surpasses the power of spring, makes the thimble down motion, makes central lever release bottom spring at last, and the circuit breaks into pieces and trips, plays protect function, and when taking place overload or short circuit, homoenergetic plays protect function, and current circuit breaker tripping device is comparatively single, leads to its protect function relatively poor, has certain limitation, inconvenient use.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a tripping mechanism of a circuit breaker, which has the advantage of multifunctional protection and solves the problem that the tripping mode of the existing circuit breaker is single.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: a trip mechanism of a circuit breaker includes a body assembly; the body assembly includes: a first shell, the front surface of which is provided with a second shell; the circuit board is arranged on the front surface of the shell; the jump button is rotationally connected to the front surface of the shell; the first shell is provided with a tripping assembly; the trip assembly includes: a third shell arranged on the front surface of the first shell; the armature is fixedly connected to the three sides of the shell; the cushion block is arranged on the side face of the armature; the spring is arranged between the side surface of the cushion block and the first shell; the groove body is arranged on the front surface of the circuit board and penetrates through the circuit board, and one end of the cushion block penetrates through the circuit board through the groove body; the electronic tripping mechanism is arranged on the front surface of the circuit board.
Preferably: the armature is L-shaped.
Preferably: the side surface of the circuit board is provided with a disassembly component; the disassembly assembly includes: the fixed block is fixedly connected to the side surface of the circuit board; the rod body is arranged on the front surface of the shell; the convex block is fixedly connected to the outer side wall of the rod body; the groove is formed in the inner side wall of the fixed block, the rod body is inserted into the fixed block, and the protruding block is embedded into the groove.
Preferably: at least four groups of disassembly components are arranged on the circuit board.
Preferably: the outer side wall of the rod body is provided with threads.
Preferably: the disassembly assembly further includes: the limiting block is fixedly connected to the front surface of the shell.
Preferably: the rod body is in threaded connection with the first shell.
(III) beneficial effects
Compared with the prior art, the utility model provides a tripping mechanism of a circuit breaker, which has the following beneficial effects:
The utility model has the advantage of multifunctional protection, when electric leakage occurs, the armature is hit through the electronic tripping mechanism, so that after the trip button rotates, the circuit is disconnected, or the armature is adsorbed with the shell three, so that the circuit is disconnected, overload, short circuit and electric leakage protection effects on the circuit are achieved by arranging two groups of tripping modes, the safety is improved, and meanwhile, the problem that the tripping mode of the conventional circuit breaker is single is solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a front structure of a second removed housing according to the present utility model;
FIG. 3 is a schematic diagram of a front structure of the utility model with the second housing and the circuit board removed;
Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.
In the figure:
1. A body assembly; 11. a first shell; 12. a second shell; 13. a circuit board; 14. jumping buckle;
2. A trip assembly; 21. a third shell; 22. a cushion block; 23. an armature; 24. a spring; 25. a tank body; 26. an electronic trip mechanism;
3. Disassembling the assembly; 31. a fixed block; 32. a rod body; 33. a bump; 34. a groove; 35. and a limiting block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, a trip mechanism for a circuit breaker includes a body assembly 1; the body assembly 1 comprises: a first shell 11, the front surface of which is provided with a second shell 12; a circuit board 13 disposed on a front surface of the first housing 11; a jump button 14 rotatably connected to the front surface of the first housing 11; the first shell 11 is provided with a tripping assembly 2; the trip assembly 2 includes: a third shell 21 arranged on the front surface of the first shell 11; an armature 23 fixedly connected to the side surface of the housing three 21; a pad 22 disposed on a side of the armature 23; a spring 24 disposed between the side of the pad 22 and the first housing 11; the groove body 25 is arranged on the front surface of the circuit board 13 and penetrates through the circuit board 13, and one end of the cushion block 22 penetrates through the circuit board 13 through the groove body 25; an electronic trip mechanism 26 disposed on the front surface of the circuit board 13; the armature 23 is L-shaped.
When in use, when electric leakage occurs, the ejector pin in the electronic tripping mechanism 26 moves downwards and pushes the armature 23 to deform, so that after the jump button 14 is separated from the armature 23, the spring on the left side of the jump button 14 pushes the jump button 14 to rotate to disconnect the circuit, the electric leakage protection function is realized, when the circuit works normally, the armature 23 is not contacted with the third shell 21, at the moment, the armature 23 is pushed by the resilience force of the spring 24, so that the armature 23 abuts against the jump button 14, when electric leakage or short circuit occurs, the armature 23 is adsorbed by the third shell 21, so that after the armature 23 deforms, the armature is separated from the jump button 14, and the circuit is disconnected after the jump button 14 rotates; when in use, the armature 23 can directly contact with the electronic tripping mechanism 26 when working after penetrating through the circuit board 13, thereby improving the practicability.
Example two
Referring to fig. 1-4, a disassembly function is added on the basis of the first embodiment;
The side surface of the circuit board 13 is provided with a disassembling component 3; the disassembly assembly 3 comprises: a fixing block 31 fixedly connected to a side surface of the circuit board 13; a rod 32 disposed on the front surface of the first housing 11; a bump 33 fixedly connected to the outer side wall of the rod 32; the groove 34 is formed in the inner side wall of the fixed block 31, the rod body 32 is inserted into the fixed block 31, and the protruding block 33 is embedded into the groove 34; at least four groups of the disassembling components 3 are arranged on the circuit board 13; threads are formed on the outer side wall of the rod body 32; the disassembly assembly 3 further comprises: the limiting block 35 is fixedly connected to the front surface of the first shell 11; the rod 32 is screwed to the first housing 11.
When the circuit board 13 is used, the circuit board 13 is directly pulled outwards, so that the circuit board 13 slides outwards from the rod body 32, and after the convex blocks 33 slide out from the grooves 34, the circuit board 13 is detached, otherwise, the circuit board 13 is mounted, and the armature 23 can be directly inserted into the groove body 25 when the circuit board 13 is mounted, so that the mounting is convenient; when in use, the four groups of dismounting assemblies 3 enable the sliding of the circuit board 13 to be more stable; when in use, the outer side wall of the rod body 32 can be in threaded connection with the ring body, so as to limit the circuit board 13 and play a locking function; when in use, the limiting block 35 plays a role in limiting the circuit board 13, so that the circuit board 13 is conveniently inserted into the plurality of rod bodies 32; in use, the rod 32 can be detached from the first housing 11, thereby improving the practicability.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A trip mechanism for a circuit breaker, comprising a body assembly (1); the body assembly (1) comprises:
a first shell (11) with a second shell (12) arranged on the front surface;
A circuit board (13) arranged on the front surface of the first shell (11);
A jump button (14) rotatably connected to the front surface of the first shell (11);
The method is characterized in that: a tripping component (2) is arranged on the first shell (11); the trip assembly (2) comprises:
a third shell (21) arranged on the front surface of the first shell (11);
The cushion block (22) is fixedly connected to the side surface of the third shell (21);
An armature (23) arranged on the side surface of the cushion block (22);
A spring (24) arranged between the side surface of the armature (23) and the first housing (11);
The groove body (25) is arranged on the front surface of the circuit board (13) and penetrates through the circuit board (13), and one end of the armature (23) penetrates through the circuit board (13) through the groove body (25);
and an electronic tripping mechanism (26) arranged on the front surface of the circuit board (13).
2. The trip mechanism of a circuit breaker of claim 1, wherein: the armature (23) is L-shaped.
3. The trip mechanism of a circuit breaker of claim 1, wherein: the side surface of the circuit board (13) is provided with a disassembly component (3); the disassembly assembly (3) comprises:
The fixed block (31) is fixedly connected to the side surface of the circuit board (13);
a rod body (32) arranged on the front surface of the first shell (11);
A bump (33) fixedly connected to the outer side wall of the rod body (32);
The groove (34) is formed in the inner side wall of the fixed block (31), the rod body (32) is inserted into the fixed block (31), and the protruding block (33) is embedded into the groove (34).
4. A trip mechanism for a circuit breaker according to claim 3, wherein: at least four groups of disassembly assemblies (3) are arranged on the circuit board (13).
5. The trip mechanism of a circuit breaker of claim 4, wherein: the outer side wall of the rod body (32) is provided with threads.
6. The trip mechanism of a circuit breaker of claim 4, wherein: the disassembly assembly (3) further comprises:
the limiting block (35) is fixedly connected to the front surface of the first shell (11).
7. The trip mechanism of a circuit breaker of claim 4, wherein: the rod body (32) is connected to the first shell (11) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322917539.0U CN221352674U (en) | 2023-10-30 | 2023-10-30 | Tripping mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322917539.0U CN221352674U (en) | 2023-10-30 | 2023-10-30 | Tripping mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221352674U true CN221352674U (en) | 2024-07-16 |
Family
ID=91843932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322917539.0U Active CN221352674U (en) | 2023-10-30 | 2023-10-30 | Tripping mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221352674U (en) |
-
2023
- 2023-10-30 CN CN202322917539.0U patent/CN221352674U/en active Active
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| GR01 | Patent grant | ||
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