CN219778807U - Moving contact structure and circuit breaker - Google Patents
Moving contact structure and circuit breaker Download PDFInfo
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- CN219778807U CN219778807U CN202320653566.9U CN202320653566U CN219778807U CN 219778807 U CN219778807 U CN 219778807U CN 202320653566 U CN202320653566 U CN 202320653566U CN 219778807 U CN219778807 U CN 219778807U
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- 239000004020 conductor Substances 0.000 claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 92
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of piezoelectric devices, and particularly discloses a moving contact structure and a circuit breaker. According to the moving contact structure, the two end pins of the moving contact body are rotationally connected with the two ends of the connecting row, the moving contact body is contacted with the connecting row to form a parallel conductor, the first supporting piece enables the moving contact body to be contacted with the connecting row, the gap between the deformation of the two end pins of the moving contact body and the generation of the connecting row is reduced, the second supporting piece enables the connecting row to be contacted with the moving contact body, and the second supporting piece is prevented from expanding outwards to generate the gap with the moving contact body; the first support piece and the second support piece jointly act to provide stable supporting force for the contact of the moving contact body and the connecting row, so that gaps are prevented from being generated between the moving contact body and the connecting row, the moving contact body and the connecting row are not easy to strike fire, and the resistance and the rotation resistance of the moving contact body are not increased.
Description
Technical Field
The utility model relates to the technical field of piezoelectric devices, in particular to a moving contact structure and a circuit breaker.
Background
A circuit breaker is an industrial power device for automatically cutting off a power line when a fault current such as an overload current or a short-circuit current occurs in a power transmission/distribution line having a relatively low voltage. The circuit breaker performs a closing operation of closing a circuit in which a current flows and an opening operation of opening a circuit in which a current flows. The opening and closing operations of the circuit breaker are generally automatically performed according to the state of the circuit or according to the user's selection.
The circuit breaker is provided with a fixed contact assembly and a moving contact assembly, wherein the fixed contact assembly comprises a fixed contact, the moving contact assembly comprises a connecting row and a moving contact rotationally connected with the connecting row, and the moving contact can be contacted with or separated from the fixed contact in a rotating way. The moving contact is connected with the connecting row to form a parallel conductor, a magnetic field is formed when the same-direction current passes through the parallel conductor, so that the parallel conductor generates inward ampere force, when the ampere force is overlarge, the two ends of the moving contact connected with the connecting row are mutually attracted to generate deformation, a gap is generated between the moving contact and the connecting row, poor contact between the moving contact and the connecting row is caused, a contact surface between the moving contact and the connecting row is easy to fire and ablate, coarse oxide is formed, and the resistance and the rotation resistance of the moving contact are increased.
Therefore, it is needed to provide a moving contact structure and a circuit breaker to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a moving contact structure and a circuit breaker, which provide stable supporting force for the contact of a connecting row and a moving contact and prevent a gap from being generated between the connecting row and the moving contact.
To achieve the purpose, the utility model adopts the following technical scheme:
in a first aspect, a moving contact structure is provided, including:
the connecting row is in a U-shaped structure;
the two end feet of the moving contact body are respectively contacted with the two ends of the connecting row, and the moving contact body is rotationally connected with the connecting row;
the first supporting piece is arranged between two end pins of the movable contact body and is used for enabling the movable contact body to be in contact with the connecting row;
and the second supporting piece is connected with two side walls of the connecting row and is used for enabling the connecting row to be in contact with the moving contact body.
As an optional technical scheme of the moving contact structure, the first supporting piece is made of a conductive material and is connected with the two end pins of the moving contact body.
As an optional technical scheme of the moving contact structure, two end pins of the moving contact body are rotationally connected with the connecting row through a rotating shaft, the first supporting piece is of a U-shaped structure, two ends of the first supporting piece are clamped on the rotating shaft, and two ends of the first supporting piece are respectively in contact with the moving contact body.
As an optional technical scheme of the moving contact structure, two ends of the first supporting piece are respectively provided with a first clamping groove, and the rotating shaft is clamped in the first clamping grooves.
As an alternative solution of the moving contact structure, the first supporting member is made of elastic metal.
As an optional technical scheme of the moving contact structure, the first supporting piece is made of an insulating material, the first supporting piece is fixed on the second supporting piece, and a limiting part for limiting the two end pins of the moving contact body to be close to each other is arranged on the first supporting piece.
As an optional technical scheme of the moving contact structure, the first supporting member comprises a supporting body, the limiting portion comprises limiting grooves arranged on two opposite sides of the supporting body, the limiting grooves penetrate through one end, close to the moving contact body, of the supporting body, the end feet of the moving contact body are in sliding contact with the groove side walls of the limiting grooves, and the groove bottoms of the limiting grooves enable the moving contact body to be in contact with the connecting rows.
As an optional technical scheme of the moving contact structure, the first supporting piece is provided with a second clamping groove, the second supporting piece is clamped in the second clamping groove, one side, opposite to the second clamping groove, of the first supporting piece is provided with a limiting surface, and the limiting surface is used for being in contact with a shell of the circuit breaker.
As an optional technical scheme of the moving contact structure, the second supporting piece comprises a limiting shaft, a first end of the limiting shaft is fixedly connected with one side wall of the connecting row, a second end of the limiting shaft penetrates through the other side wall of the connecting row and is connected with a limiting piece, and the limiting piece is in contact with the connecting row.
As an alternative technical scheme of the moving contact structure, the limiting piece is integrally connected with the second end of the limiting shaft, and the diameter of the limiting piece is larger than that of the limiting shaft; and/or
The first end of the limiting shaft is riveted with one side wall of the connecting row.
In a second aspect, a circuit breaker is provided, comprising a moving contact structure as described in any one of the above.
The utility model has the beneficial effects that:
according to the moving contact structure, the two end pins of the moving contact body are rotationally connected with the two ends of the connecting row, the moving contact body is contacted with the connecting row to form a parallel conductor, the first supporting piece enables the moving contact body to be contacted with the connecting row, the gap between the deformation of the two end pins of the moving contact body and the generation of the connecting row is reduced, the second supporting piece enables the connecting row to be contacted with the moving contact body, and the second supporting piece is prevented from expanding outwards to generate the gap with the moving contact body; the first support piece and the second support piece jointly act to provide stable supporting force for the contact of the moving contact body and the connecting row, so that gaps are prevented from being generated between the moving contact body and the connecting row, the moving contact body and the connecting row are not easy to strike fire, and the resistance and the rotation resistance of the moving contact body are not increased.
Drawings
Fig. 1 is a schematic structural diagram of a moving contact structure according to a first view angle of a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a moving contact structure according to a second view angle of the first embodiment of the present utility model;
FIG. 3 is a schematic view of a first support according to a first embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a moving contact structure according to a first view angle provided in a second embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a moving contact structure according to a second view angle of the second embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a first support member according to a second embodiment of the present utility model.
In the figure:
1. a connection row; 2. a moving contact body; 3. a first support; 4. a second support; 5. a rotating shaft;
21. a moving contact plate; 22. an end pin;
31. a first clamping groove; 32. a support body; 33. a limit groove; 331. a groove sidewall; 332. a groove bottom; 34. a second clamping groove; 35. a limiting surface;
41. a limiting shaft; 42. and a limiting piece.
Detailed Description
In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments 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.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Example 1
The embodiment provides a circuit breaker, which comprises a moving contact structure and a fixed contact structure. The fixed contact structure comprises a fixed contact body, and the moving contact structure comprises a moving contact body, wherein the moving contact body can be contacted with or separated from the fixed contact body so as to realize switching-on or switching-off of the circuit breaker.
As shown in fig. 1, the moving contact body 2 includes two moving contact plates 21, one ends of the two moving contact plates 21 are parallel and mutually attached, the other ends of the two moving contact plates 21 are bent towards the opposite ends to form a U-shaped opening, and the bent ends of the moving contact plates 21 are defined as end pins 22.
The movable contact structure further comprises a connecting row 1, the connecting row 1 is of a U-shaped structure, two end feet 22 of the movable contact body 2 are respectively contacted with two ends of the connecting row 1, and the movable contact body 2 is rotationally connected with the connecting row 1. Specifically, two terminal pins 22 of the moving contact body 2 are disposed at inner sides of two side walls of the connection row 1, the moving contact body 2 and the connection row 1 form parallel conductors, and the moving contact body 2 rotates relative to the connection row 1 to contact with or separate from the static contact body. A first supporting piece 3 is arranged between the two end feet 22 of the moving contact body 2, and the first supporting piece 3 is used for enabling the moving contact body 2 to be in contact with the connecting row 1, so that the deformation of the two end feet 22 of the moving contact body 2 and the gap generated by the connecting row 1 are reduced. The two side walls of the connecting row 1 are connected through the second supporting piece 4, and the second supporting piece 4 is used for enabling the connecting row 1 to be in contact with the moving contact body 2, so that the second supporting piece 4 is prevented from expanding outwards to generate a gap with the moving contact body 2. The first supporting piece 3 and the second supporting piece 4 jointly act to provide stable supporting force for the contact of the moving contact body 2 and the connecting row 1, so that gaps are prevented from being generated between the moving contact body 2 and the connecting row 1, the moving contact body 2 and the connecting row 1 are not easy to strike fire, and the resistance and the rotation resistance of the moving contact body 2 are not increased.
In this embodiment, the first supporting member 3 is made of a conductive material, and the first supporting member 3 is connected to two terminal pins 22 of the moving contact body 2. When the current in the same direction passes through the moving contact body 2, the first supporting piece 3 is electrically connected with the two terminal pins 22, so that the structure of the existing parallel conductor is broken, the two terminal pins 22 cannot be attracted to each other to cause deformation of the two terminal pins 22, and gaps cannot be easily generated between the terminal pins 22 and the connecting row 1.
As shown in fig. 2 and 3, two end pins 22 of the moving contact body 2 are rotatably connected with the connection row 1 through a rotating shaft 5, the rotating shaft 5 is rotatably connected with the connection row 1, and the moving contact body 2 rotates along with the rotating shaft 5. Optionally, the first supporting piece 3 is in a U-shaped structure, two ends of the first supporting piece 3 are clamped on the rotating shaft 5, the first supporting piece 3 can rotate along with the rotating shaft 5, and the connecting structure is simple, and the first supporting piece 3 with a conductive function does not influence the normal rotation of the moving contact body 2. The two ends of the first supporting member 3 are respectively contacted with the moving contact body 2 to ensure that the two terminal pins 22 of the moving contact body 2 are electrically connected.
The both ends of first support piece 3 are equipped with first draw-in groove 31 respectively, and pivot 5 joint is in first draw-in groove 31, and connection structure is simple, and is convenient for assemble first support piece 3, and first support piece 3 can rotate along with pivot 5.
Further, the first supporting member 3 is made of a metal material with elasticity, so that the first supporting member 3 is clamped on the rotating shaft 5, and the first supporting member 3 can be stably fixed on the rotating shaft 5.
In other embodiments, the first support 3 may also be connected to the rotating shaft 5 by welding or the like, which is not particularly limited herein.
With continued reference to fig. 1, the second supporting member 4 makes the connection row 1 contact with the moving contact body 2, in this embodiment, the second supporting member 4 includes a limiting shaft 41, a first end of the limiting shaft 41 is fixedly connected with one side wall of the connection row 1, a second end of the limiting shaft 41 is penetrating through the other side wall of the connection row 1 and is connected with a limiting member 42, and the limiting member 42 contacts with the connection row 1. The limiting piece 42 can play a limiting role on the side wall of the connecting row 1, the two side walls of the connecting row 1 are acted by the tensile force of the second supporting piece 4, and the two side walls of the connecting row 1 are always in the mutually parallel positions and cannot expand to generate deformation, so that the connecting row 1 is ensured to be in contact with the moving contact body 2.
Alternatively, the limiting member 42 is integrally connected with the second end of the limiting shaft 41, the diameter of the limiting member 42 is larger than that of the limiting shaft 41, and the limiting member 42 can be abutted on the side wall of the connecting row 1. When in installation, the first end of the limiting shaft 41 penetrates through the other side wall of the connecting row 1 to be connected with one side wall of the connecting row 1, and the limiting piece 42 abuts against the outer side of the other side wall of the connecting row 1. The structure of the limiting piece 42 can provide a certain pulling force for the two side walls of the connecting row 1, so that the two side walls of the connecting row 1 are prevented from expanding outwards to deform.
The first end of the limiting shaft 41 is riveted with one side wall of the connecting row 1, so that the connection structure strength of the limiting shaft 41 and the connecting row 1 is improved. In other embodiments, the first end of the limiting shaft 41 may be welded to the connection row 1, which is not specifically limited herein.
The first supporting member 3 and the second supporting member 4 cooperate to provide a stable supporting force for the contact between the moving contact body 2 and the connection row 1, so that a gap is not easily generated between the moving contact body 2 and the connection row 1, a fire is not easily ignited between the moving contact body 2 and the connection row 1, and the resistance and the rotation resistance of the moving contact body 2 are not increased.
Example two
The embodiment provides a circuit breaker, which comprises a moving contact structure and a fixed contact structure. The fixed contact structure comprises a fixed contact body, and the moving contact structure comprises a moving contact body, wherein the moving contact body can be contacted with or separated from the fixed contact body so as to realize switching-on or switching-off of the circuit breaker.
As shown in fig. 4, the moving contact body 2 includes two moving contact plates 21, one ends of the two moving contact plates 21 are parallel and mutually attached, the other ends of the two moving contact plates 21 are bent towards the opposite ends to form a U-shaped opening, and the bent ends of the moving contact plates 21 are defined as end pins 22.
The movable contact structure further comprises a connecting row 1, the connecting row 1 is of a U-shaped structure, two end feet 22 of the movable contact body 2 are respectively contacted with two ends of the connecting row 1, and the movable contact body 2 is rotationally connected with two ends of the connecting row 1. Specifically, two terminal pins 22 of the moving contact body 2 are disposed at inner sides of two side walls of the connection row 1, the moving contact body 2 and the connection row 1 form parallel conductors, and the moving contact body 2 rotates relative to the connection row 1 to contact or separate from the fixed contact body 2. A first supporting piece 3 is arranged between the two end feet 22 of the moving contact body 2, and the first supporting piece 3 is used for enabling the moving contact body 2 to be in contact with the connecting row 1, so that the deformation of the two end feet 22 of the moving contact body 2 and the gap generated by the connecting row 1 are reduced. The two side walls of the connecting row 1 are connected through the second supporting piece 4, and the second supporting piece 4 is used for enabling the connecting row 1 to be in contact with the moving contact body 2, so that the second supporting piece 4 is prevented from expanding outwards to generate a gap with the moving contact body 2. The first supporting piece 3 and the second supporting piece 4 jointly act to provide stable supporting force for the contact of the moving contact body 2 and the connecting row 1, so that gaps are prevented from being generated between the moving contact body 2 and the connecting row 1, the moving contact body 2 and the connecting row 1 are not easy to strike fire, and the resistance and the rotation resistance of the moving contact body 2 are not increased.
In this embodiment, the first supporting member 3 is made of an insulating material, the first supporting member 3 is fixed on the second supporting member 4, and a limiting portion for limiting the two terminal pins 22 of the moving contact body 2 to approach each other is disposed on the first supporting member 3. The first supporting member 3 plays a role of supporting the two terminal pins 22 of the moving contact body 2, so that the two terminal pins 22 are prevented from being attracted to each other under the action of ampere force to generate deformation, and a gap is not generated between the terminal pins 22 and the connection row 1 easily.
Alternatively, as shown in fig. 5 and 6, the first supporting member 3 includes a supporting body 32, the limiting portion includes limiting grooves 33 disposed on opposite sides of the supporting body 32, the limiting grooves 33 penetrate through one end of the supporting body 32 near the moving contact body 2, the terminal pins 22 of the moving contact body 2 are disposed in the limiting grooves 33, and the terminal pins 22 of the moving contact body 2 are in sliding contact with the groove side walls 331 of the limiting grooves 33, so that the rotation of the moving contact body 2 is not affected. The groove bottom 332 of the limiting groove 33 enables the moving contact body 2 to be in contact with the connecting row 1, a gap is avoided between the connecting row 1 and the moving contact body 2, the limiting groove 33 limits the position of the moving contact body 2, the two moving contact bodies 2 cannot be mutually close under the limitation of the limiting groove 33, and the limiting groove 33 enables the moving contact body 2 to be always in contact with the connecting row 1.
The first supporting piece 3 is provided with a second clamping groove 34, the second supporting piece 4 is clamped in the second clamping groove 34, and the second supporting piece 4 is an installation carrier provided for the installation of the first supporting piece 3. The side of the first supporting piece 3 opposite to the second clamping groove 34 is provided with a limiting surface 35, and the limiting surface 35 is used for being in contact with the shell of the circuit breaker, so that the first supporting piece 3 is prevented from rotating relative to the second supporting piece 4 and cannot play a role in limiting the terminal pin 22 of the movable contact body 2. The shape of the limiting surface 35 is matched with the surface shape of the shell so as to achieve good limiting effect.
With continued reference to fig. 4, the second supporting member 4 makes the connection row 1 contact with the moving contact body 2, in this embodiment, the second supporting member 4 includes a limiting shaft 41, a first end of the limiting shaft 41 is fixedly connected with one side wall of the connection row 1, a second end of the limiting shaft 41 is penetrating through the other side wall of the connection row 1 and is connected with a limiting member 42, and the limiting member 42 contacts with the connection row 1 (the limiting shaft 41 and the limiting member 42 are shown with reference to fig. 1). The limiting piece 42 can play a limiting role on the side wall of the connecting row 1, the two side walls of the connecting row 1 are acted by the tensile force of the second supporting piece 4, and the two side walls of the connecting row 1 are always in the mutually parallel positions and cannot expand to generate deformation, so that the connecting row 1 is ensured to be in contact with the moving contact body 2.
Alternatively, the limiting member 42 is integrally connected with the second end of the limiting shaft 41, the diameter of the limiting member 42 is larger than that of the limiting shaft 41, and the limiting member 42 can be abutted on the side wall of the connecting row 1. When in installation, the first end of the limiting shaft 41 penetrates through the other side wall of the connecting row 1 to be connected with one side wall of the connecting row 1, and the limiting piece 42 abuts against the outer side of the other side wall of the connecting row 1. The structure of the limiting piece 42 can provide a certain pulling force for the two side walls of the connecting row 1, so that the two side walls of the connecting row 1 are prevented from expanding outwards to deform.
The first end of the limiting shaft 41 is riveted with one side wall of the connecting row 1, so that the connection structure strength of the limiting shaft 41 and the connecting row 1 is improved. In other embodiments, the first end of the limiting shaft 41 may be welded to the connection row 1, which is not specifically limited herein.
The first supporting member 3 and the second supporting member 4 cooperate to provide a stable supporting force for the contact between the moving contact body 2 and the connection row 1, so that a gap is not easily generated between the moving contact body 2 and the connection row 1, a fire is not easily ignited between the moving contact body 2 and the connection row 1, and the resistance and the rotation resistance of the moving contact body 2 are not increased.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (11)
1. A moving contact structure, characterized by comprising:
the connecting row (1) is in a U-shaped structure;
the movable contact comprises a movable contact body (2), wherein two end pins (22) of the movable contact body (2) are respectively contacted with two ends of the connecting row (1), and the movable contact body (2) is rotationally connected with the connecting row (1);
the first supporting piece (3) is arranged between two end pins (22) of the movable contact body (2), and the first supporting piece (3) is used for enabling the movable contact body (2) to be in contact with the connecting row (1);
and the second supporting piece (4) is connected with two side walls of the connecting row (1), and the second supporting piece (4) is used for enabling the connecting row (1) to be in contact with the moving contact body (2).
2. The moving contact structure according to claim 1, wherein the first supporting member (3) is made of a conductive material, and the first supporting member (3) is connected to two end pins (22) of the moving contact body (2).
3. The movable contact structure according to claim 2, wherein two end feet (22) of the movable contact body (2) are rotatably connected with the connection row (1) through a rotating shaft (5), the first supporting piece (3) is in a U-shaped structure, two ends of the first supporting piece (3) are clamped on the rotating shaft (5), and two ends of the first supporting piece (3) are respectively contacted with the movable contact body (2).
4. A moving contact structure according to claim 3, wherein the two ends of the first supporting member (3) are respectively provided with a first clamping groove (31), and the rotating shaft (5) is clamped in the first clamping grooves (31).
5. The movable contact structure according to claim 2, wherein the material of the first supporting member (3) is a metal material having elasticity.
6. The moving contact structure according to claim 1, wherein the first supporting member (3) is made of an insulating material, the first supporting member (3) is fixed on the second supporting member (4), and a limiting portion for limiting the two terminal pins (22) of the moving contact body (2) to approach each other is provided on the first supporting member (3).
7. The moving contact structure according to claim 6, wherein the first supporting member (3) comprises a supporting body (32), the limiting portion comprises limiting grooves (33) arranged on two opposite sides of the supporting body (32), the limiting grooves (33) penetrate through one end, close to the moving contact body (2), of the supporting body (32), the end feet (22) of the moving contact body (2) are in sliding contact with groove side walls (331) of the limiting grooves (33), and groove bottoms (332) of the limiting grooves (33) enable the moving contact body (2) to be in contact with the connecting row (1).
8. The movable contact structure according to claim 6, wherein the first supporting member (3) is provided with a second clamping groove (34), the second supporting member (4) is clamped in the second clamping groove (34), a limiting surface (35) is arranged on one side, opposite to the second clamping groove (34), of the first supporting member (3), and the limiting surface (35) is used for being in contact with a shell of the circuit breaker.
9. The moving contact structure according to any one of claims 1 to 8, characterized in that the second supporting member (4) comprises a limiting shaft (41), a first end of the limiting shaft (41) is fixedly connected with one side wall of the connection row (1), and a second end of the limiting shaft (41) is arranged on the other side wall of the connection row (1) in a penetrating manner and is connected with a limiting member (42), and the limiting member (42) is in contact with the connection row (1).
10. The movable contact structure according to claim 9, characterized in that the stopper (42) is integrally connected with the second end of the stopper shaft (41), and the diameter of the stopper (42) is larger than the diameter of the stopper shaft (41); and/or
The first end of the limiting shaft (41) is riveted with one side wall of the connecting row (1).
11. A circuit breaker, characterized by comprising a moving contact structure according to any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320653566.9U CN219778807U (en) | 2023-03-29 | 2023-03-29 | Moving contact structure and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320653566.9U CN219778807U (en) | 2023-03-29 | 2023-03-29 | Moving contact structure and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219778807U true CN219778807U (en) | 2023-09-29 |
Family
ID=88134626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320653566.9U Active CN219778807U (en) | 2023-03-29 | 2023-03-29 | Moving contact structure and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219778807U (en) |
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2023
- 2023-03-29 CN CN202320653566.9U patent/CN219778807U/en active Active
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