CN220873506U - Magnetic tripping structure, thermal/electromagnetic tripping structure containing magnetic tripping structure and circuit breaker - Google Patents
Magnetic tripping structure, thermal/electromagnetic tripping structure containing magnetic tripping structure and circuit breaker Download PDFInfo
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- CN220873506U CN220873506U CN202322300712.2U CN202322300712U CN220873506U CN 220873506 U CN220873506 U CN 220873506U CN 202322300712 U CN202322300712 U CN 202322300712U CN 220873506 U CN220873506 U CN 220873506U
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- magnetic
- armature
- circuit breaker
- tripping
- magnetic tripping
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- 238000005452 bending Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a magnetic tripping structure, a thermal/electromagnetic tripping structure with the magnetic tripping structure and a circuit breaker, and belongs to the technical field of circuit breakers. The magnetic tripping device comprises a first magnetic tripping which is rotationally sleeved on a circuit breaker and a second magnetic tripping which is fixedly arranged on the circuit breaker, wherein the first magnetic tripping is an armature, the second magnetic tripping is a magnetic yoke, the armature corresponds to the magnetic yoke, and the armature is sleeved on a thermal tripping button. This magnetism dropout structure compares traditional magnetism dropout, will bend the part and concentrate on armature entirely to set up the yoke into dull and stereotyped column structure, thereby for prior art, has cancelled the use stainless steel supporting structure, has alleviateed the weight of product, has reduced manufacturing cost, and this structure can realize heavy current dropout.
Description
Technical Field
The utility model relates to a magnetic tripping structure, a thermal/electromagnetic tripping structure containing the magnetic tripping structure and a circuit breaker, and belongs to the technical field of circuit breakers.
Background
The existing magnetic tripping structure mainly adopts a bending structure, for example, as shown in fig. 1, the tripping rod, the lug, the metal bracket of the rotating shaft, the clamping strip and the damper are all bending structures or partial bending structures;
Therefore, it is necessary to design a magnetic trip structure, a thermal/electromagnetic trip structure including a magnetic head buckle structure, and a circuit breaker to solve the above problems.
Disclosure of utility model
The utility model aims at the technical problems mentioned in the background art, and is realized by adopting the following technical proposal:
The magnetic tripping structure comprises a first magnetic tripping sleeved on the circuit breaker and a second magnetic tripping fixedly installed on the circuit breaker, wherein the first magnetic tripping is an armature, the second magnetic tripping is a magnetic yoke, the armature corresponds to the magnetic yoke, the magnetic yoke is of a flat plate structure, two ends of the armature are respectively provided with a bending structure, the two bending structures correspond to each other, a contact part is installed at the top of one end of the armature, and a contact point is arranged at the top of the contact part.
As a preferred example, the contact portion, the contact point, and one end of the armature are integrally formed.
As a preferred example, the bottom of the armature is provided with a bearing seat which is sleeved on the circuit breaker through a shaft.
As a preferred example, a reset torsion spring is sleeved on the shaft, one end part of the reset torsion spring is propped against the outlet line, and the other end part of the reset torsion spring is propped against the side wall of the armature.
A thermomagnetic tripping structure comprises the magnetic tripping structure.
An electromagnetic trip structure comprises the magnetic trip structure.
A circuit breaker comprises the magnetic tripping structure or the thermomagnetic tripping structure or the electromagnetic tripping structure.
The beneficial effects of the utility model are as follows: compared with the magnetic tripping in the prior art, the bending part is fully concentrated on the armature, and the magnetic yoke is arranged into a flat plate structure, so that compared with the prior art, the bracket structure using metal is omitted, the weight of a product is reduced, the production cost is reduced, and the structure can realize heavy current tripping.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the structure of the present utility model;
fig. 3 is a schematic structural view of the armature in embodiment 1 according to the present utility model;
Fig. 4 is a schematic structural view of the armature in embodiment 2.
In the figure: an armature 1; a contact portion 11 and a positioning portion 12; a yoke 2; a shaft 3; bearing support 4.
Detailed Description
The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Example 1
As shown in fig. 2-3, the magnetic tripping structure comprises a first magnetic tripping which is rotationally sleeved on a circuit breaker and a second magnetic tripping which is fixedly installed on the circuit breaker, wherein the first magnetic tripping is an armature 1, the second magnetic tripping is a magnet yoke 2, the armature 1 corresponds to the magnet yoke 2, the magnet yoke 2 is obliquely arranged on the circuit breaker, a bearing seat 4 is arranged at the bottom of the armature 1, the bearing seat 4 is sleeved on the circuit breaker through a shaft 3, a reset torsion spring is sleeved on the shaft 3, one end part of the reset torsion spring is propped against the circuit breaker, the other end part of the reset torsion spring is propped against the side wall of the armature 1, two ends of the armature 1 are respectively provided with bending structures, the two bending structures correspond to each other, a contact part 11 is installed at the top of one end of the armature 1, and a contact point 111 is arranged at the top of the contact part 11.
The contact portion 11, the contact point 111 and one end of the armature 1 are integrally formed.
The structure of the magnetic yoke 2 is a flat plate structure, the structure of the armature 1 is a bending structure, the purpose is to reduce the cost, and the heavy current tripping can be realized.
When a short-circuit current is generated in the circuit, the magnetic yoke 2 instantaneously generates a suction force to suck the armature 1 towards the magnetic yoke 2 to drive the armature 1 to move, and when the armature moves to the position of the traction rod (the traction rod is arranged on an operating mechanism of the circuit breaker, the operating mechanism is selected from the prior art, and the structural composition of the operating mechanism is not described in detail herein), the armature 1 butts against the traction rod of the operating mechanism, so that the operating mechanism acts, and the circuit is disconnected to play a role in protection.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 4, two ends of the armature 1 are respectively provided with a bending structure, the two bending structures correspond to each other, the top of the armature 1 is further provided with a bent contact portion 11, the bending directions of the two bending structures are the same, the armature 1 is further provided with a bent positioning portion 12, and the bending direction of the positioning portion 12 is the same as the bending directions of the two bending structures.
Example 3
A thermo-magnetic trip structure comprising the magnetic trip structure described in embodiment 1.
The magnetic trip structure in the embodiment 1 is mainly applied to the existing thermomagnetic trip device in the present embodiment.
Example 4
An electromagnetic trip structure includes the magnetic trip structure in embodiment 1.
The present embodiment mainly applies the magnetic trip structure in embodiment 1 to the existing electromagnetic trip structure.
Example 5
A circuit breaker comprising the magnetic trip structure of embodiment 1 or the thermo-magnetic trip structure of embodiment 3 or the electromagnetic trip structure of embodiment 4.
The magnetic trip structure in embodiment 1 or the thermomagnetic trip structure in embodiment 3 or the electromagnetic trip structure in embodiment 4 is mainly adopted in the present circuit breaker, that is, the circuit breaker only needs to adopt the magnetic trip structure in embodiment 1 or the thermomagnetic trip structure in embodiment 3 or the electromagnetic trip structure in embodiment 4, and the rest part adopts the prior art.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of numerous variations and modifications without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Magnetic trip structure, including rotating first magnetic trip and the second magnetic trip of fixed mounting on the circuit breaker of cup jointing on the circuit breaker, its characterized in that: the first magnetic trip is an armature, the second magnetic trip is a magnetic yoke, the armature corresponds to the magnetic yoke, the structure of the magnetic yoke is a flat plate structure,
The two ends of the armature are respectively provided with a bending structure, the two bending structures correspond to each other, the top of one end of the armature is provided with a contact part, and the top of the contact part is provided with a contact point.
2. The magnetic trip structure of claim 1, wherein: the contact portion, the contact point and one end of the armature are integrally formed.
3. The magnetic trip structure of claim 1, wherein: the bottom of the armature is provided with a bearing seat, and the bearing seat is sleeved on the circuit breaker through a shaft.
4. A thermo-magnetic trip structure comprising the magnetic trip structure according to any one of claims 1-2.
5. An electromagnetic trip structure comprising the magnetic trip structure of any one of claims 1-2.
6. A circuit breaker comprising the magnetic trip structure of any one of claims 1-2 or the thermo-magnetic trip structure of claim 4 or the electromagnetic trip structure of claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322300712.2U CN220873506U (en) | 2023-08-25 | 2023-08-25 | Magnetic tripping structure, thermal/electromagnetic tripping structure containing magnetic tripping structure and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322300712.2U CN220873506U (en) | 2023-08-25 | 2023-08-25 | Magnetic tripping structure, thermal/electromagnetic tripping structure containing magnetic tripping structure and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873506U true CN220873506U (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322300712.2U Active CN220873506U (en) | 2023-08-25 | 2023-08-25 | Magnetic tripping structure, thermal/electromagnetic tripping structure containing magnetic tripping structure and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873506U (en) |
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2023
- 2023-08-25 CN CN202322300712.2U patent/CN220873506U/en active Active
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