CN220021023U - Moving contact connection structure of universal circuit breaker - Google Patents
Moving contact connection structure of universal circuit breaker Download PDFInfo
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- CN220021023U CN220021023U CN202223612348.5U CN202223612348U CN220021023U CN 220021023 U CN220021023 U CN 220021023U CN 202223612348 U CN202223612348 U CN 202223612348U CN 220021023 U CN220021023 U CN 220021023U
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- circuit breaker
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a movable contact connecting structure of an universal circuit breaker, which is characterized by comprising a movable contact and a mounting bracket in transmission connection with one end of the movable contact, wherein the mounting bracket is fixedly connected with a movable conductive busbar, and the mounting bracket is of an integrated structure. According to the utility model, the mounting bracket of the movable conductive busbar adopts a one-step forming stamping process, so that the original mounting bracket adopts a mode of assembling two parts, the process is more convenient, and the assembly is easier; secondly, adopt integral type contact to set up protruding structure, on the arc striking angle is led to the arc chute through the arc striking angle, and the arc striking angle is the slope section of camber, the striking effect is better.
Description
Technical Field
The utility model relates to the technical field of moving contacts of circuit breakers, in particular to a moving contact connecting structure of a universal circuit breaker.
Background
The universal circuit breaker is also called a frame type circuit breaker: the mechanical switching device can be used for switching on, carrying and breaking current under normal circuit conditions, and also can be used for switching on, carrying for a certain time and breaking current under specified abnormal circuit conditions.
The existing universal circuit breaker needs to be provided with a mounting bracket, but the existing mounting bracket is of a split type structure, one part of the existing mounting bracket is used for being connected with the circuit breaker, the other part of the existing mounting bracket is used for being connected with the movable conductive busbar, and the two parts of the existing mounting bracket are of a split type structure and need to be connected in an additional mode, so that assembly steps are more and assembly is troublesome.
Disclosure of Invention
The utility model aims to provide a movable contact connecting structure of a universal circuit breaker, wherein a movable conductive busbar mounting bracket adopts a one-step forming stamping process, and the movable conductive busbar mounting bracket is convenient to assemble.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a movable contact connection structure of universal circuit breaker, its characterized in that includes the movable contact and with the one end transmission connection's of movable contact installing support, installing support fixed connection moves electrically conductive busbar, the installing support is integrated into one piece structure.
The utility model further provides that the mounting bracket comprises a fixing part, a connecting part and a transmission part, wherein the fixing part, the connecting part and the transmission part are used for being fixed on the base of the circuit breaker, the fixing part, the connecting part and the transmission part are integrally formed, wherein the fixing part is provided with a positioning hole and a mounting hole, the positioning hole is positioned between the mounting holes, the connecting part is provided with a fixing hole used for being connected with a movable conductive busbar, the movable conductive busbar is provided with a connecting hole corresponding to the fixing hole, the transmission part is provided with a transmission hole used for rotating and connecting one end of a movable contact, and the movable contact rotates around the transmission hole in the breaking process, wherein the fixing part is vertically arranged with the connecting part, and the transmission part is positioned at two sides of the connecting part and vertically arranged with the connecting part.
The utility model further provides an upper cover and a base for placing the movable contact, the mounting bracket is fixedly connected with the upper cover through the fixing part, one end of the movable conductive busbar is fixed in the upper cover through the mounting bracket and extends out of the base, an arc extinguishing chamber is further arranged between the upper cover and the base, one side, close to the arc extinguishing chamber, of the movable conductive busbar is provided with the fixed conductive busbar, the fixed conductive busbar is fixed on the base through the fixing bracket, the upper end face of the fixed conductive busbar is provided with the fixed contact, the movable contact is contacted with or separated from the fixed contact, the other end of the fixed conductive busbar is provided with an arc striking structure, the arc striking structure is fixed on the base and extends out of the base, and an arc striking angle is formed on the arc striking structure.
The utility model further provides that a contact support frame is formed in the upper cover at one side of the moving contact in the rotating direction, the edge of the contact support frame is an arc, the end part of the moving contact is an arc, and the arc at the edge of the contact support frame and the arc at the end part of the moving contact are concentric circles.
The utility model further provides that the arc striking structure is integrally of a C-shaped structure and comprises a first fixed section, a second fixed section and a connecting section for connecting the first fixed section and the second fixed section, wherein the connecting section is perpendicular to the first fixed section and the second fixed section, and an arc striking angle is formed on the second fixed section and is an arched section with a certain inclination.
The utility model further provides that the bottom end of the end part of the movable contact is provided with a bulge, and the linear distance between the bulge and the arc striking angle is 1-2mm.
The utility model further provides that the arc striking structure further comprises an arc striking liner, wherein the arc striking liner is positioned below the second fixing section, fixedly connected with the second fixing section and installed on the base.
The utility model has the beneficial effects that: according to the utility model, the mounting bracket of the movable conductive busbar adopts a one-step forming stamping process, so that the original mounting bracket adopts a mode of assembling two parts, the process is more convenient, and the assembly is easier; secondly, adopt integral type contact to set up protruding structure, on the arc striking angle is led to the arc chute through the arc striking angle, and the arc striking angle is the slope section of camber, the striking effect is better.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is a schematic view of a state of a contact according to an embodiment of the present utility model when the contact is opened.
Fig. 2 is a schematic view of the state of the contact when closed according to the embodiment of the present utility model.
Fig. 3 is a perspective view of fig. 1 according to an embodiment of the present utility model.
Fig. 4 is a perspective view of an embodiment of the present utility model in fig. 2.
Fig. 5 is a schematic structural view of a mounting bracket according to an embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of an arc striking structure according to an embodiment of the utility model.
Reference numeral, 10, moving contact; 101. a protrusion; 20. a mounting bracket; 201. a fixing part; 2011. positioning holes; 2012. a mounting hole; 202. a connection part; 2021. a fixing hole; 203. a transmission part; 2031. a transmission hole; 30. a movable conductive busbar; 301. a connection hole; 40. an upper cover; 50. a base; 60. an arc extinguishing chamber; 70. static conductive busbar; 80. a fixed bracket; 90. a stationary contact; 100. an arc striking structure; 1001. a first fixed section; 1002. a second fixed section; 1002a, arc striking angle; 1003. a connection section; 1004. an arc striking liner; 110. a contact support;
Detailed Description
The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.
As shown in fig. 1-6, the utility model discloses a movable contact 10 connecting structure of a universal circuit breaker, which comprises a movable contact 10 and a mounting bracket 20 in transmission connection with one end of the movable contact 10, wherein the mounting bracket 20 is fixedly connected with a movable conductive busbar 30, and the mounting bracket 20 is of an integrated structure.
The mounting bracket 20 comprises a fixing portion 201, a connecting portion 202 and a transmission portion 203, wherein the fixing portion 201, the connecting portion 202 and the transmission portion 203 are integrally formed, the fixing portion 201 is provided with a positioning hole 2011 and a mounting hole 2012, the positioning hole 2011 is located between the mounting holes 2012, the connecting portion 202 is provided with a fixing hole 2021 for connecting with the movable conductive busbar 30, the movable conductive busbar 30 is provided with a connecting hole 301 corresponding to the fixing hole 2021, the transmission portion 203 is provided with a transmission hole 2031 for rotating and connecting one end of the movable contact 10, and the movable contact 10 rotates around the transmission hole 2031 in the breaking process, wherein the fixing portion 201 is perpendicularly arranged with the connecting portion 202, and the transmission portion 203 is located on two sides of the connecting portion 202 and perpendicularly arranged with the connecting portion 202.
The utility model further comprises an upper cover 40 and a base 50 for placing the movable contact 10, the mounting bracket 20 is fixedly connected with the upper cover 40 through the fixing part 201, one end of the movable conductive busbar 30 is fixed in the upper cover 40 through the mounting bracket 20 and extends to the outside of the base 50, an arc extinguishing chamber 60 is further arranged between the upper cover 40 and the base 50, one side close to the arc extinguishing chamber 60 is provided with a static conductive busbar 70, the static conductive busbar 70 is fixed on the base 50 through the fixing bracket 80, a static contact 90 is formed on the upper end face of the static conductive busbar 70, the movable contact 10 is contacted with or separated from the static contact 90, the other end of the static conductive busbar 70 is provided with an arc striking structure 100, the arc striking structure 100 is fixed on the base 50 and extends to one side of the arc extinguishing chamber 60, and an arc striking angle 1002a is formed on the arc striking structure 100.
A contact support 110 is formed in the upper cover 40 at one side of the moving contact 10 in the rotation direction, the edge of the contact support 110 is a circular arc, the end of the moving contact 10 is a circular arc, and the edge of the contact support 110 and the end of the moving contact 10 are concentric circular arcs.
The arc striking structure 100 is a C-shaped structure, and includes a first fixed section 1001, a second fixed section 1002, and a connecting section 1003 connecting the first fixed section 1001 and the second fixed section 1002, wherein the connecting section 1003 is perpendicular to the first fixed section 1001 and the second fixed section 1002, and an arc striking angle 1002a is formed on the second fixed section 1002, and is an arched section with a certain inclination. A protrusion 101 is formed at the bottom end of the moving contact 10, and the linear distance between the protrusion 101 and the arc striking angle 1002a is 1-2mm.
The striking structure 100 further includes a striking liner 1004, where the striking liner 1004 is located below the second fixing section 1002 and is fixedly connected to the second fixing section 1002 and mounted on the base 50.
According to the utility model, the mounting bracket 20 of the movable conductive busbar 30 adopts a one-step forming stamping process, so that the original mounting bracket 20 adopts two parts for assembly, the process is more convenient, and the assembly is easier; secondly, the integrated contact is adopted, the protruding 101 structure is arranged, the arc can be rapidly guided to the arc striking angle 1002a, the arc striking angle 1002a is guided into the arc extinguishing chamber 60, the arc striking angle 1002a is an arched inclined section, and the arc striking effect is better.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as disclosed herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (6)
1. The utility model provides a movable contact connection structure of universal circuit breaker, its characterized in that includes the movable contact and the installing support that is connected with the one end transmission of movable contact, installing support fixed connection moves the female row of electric conduction, the installing support is integrated into one piece structure, the installing support is including being used for fixing fixed part, connecting portion and drive portion on the circuit breaker base, fixed part, connecting portion and drive portion integrated into one piece, wherein the fixed part is formed with locating hole and mounting hole, the locating hole is located between the mounting hole, be formed with the fixed orifices that is used for being connected with the female row of electric conduction on the connecting portion, the electric conduction of movable contact corresponds the fixed orifices is formed with the connecting hole, form the drive hole that is used for moving contact one end rotation to be connected on the drive portion, breaking the in-process, the movable contact is around the drive hole rotates, wherein the fixed part with the connecting portion sets up perpendicularly, the drive portion is located the both sides of connecting portion and with the connecting portion sets up perpendicularly.
2. The movable contact connection structure of the universal circuit breaker according to claim 1, further comprising an upper cover and a base for placing the movable contact, wherein the mounting bracket is fixedly connected with the upper cover through the fixing part, one end of the movable conductive busbar is fixed in the upper cover through the mounting bracket and extends to the outside of the base, an arc extinguishing chamber is further arranged between the upper cover and the base, one side close to the arc extinguishing chamber is provided with a static conductive busbar, the static conductive busbar is fixed on the base through the fixing bracket, the upper end face of the static conductive busbar is provided with a static contact, the movable contact is contacted with or separated from the static contact, the other end of the static conductive busbar is provided with an arc striking structure, the arc striking structure is fixed on the base and extends to one side of the arc extinguishing chamber, and an arc striking angle is formed on the arc striking structure.
3. The movable contact connection structure of a universal circuit breaker according to claim 2, wherein a contact support is formed in the upper cover at one side of the movable contact in the rotation direction, the edge of the contact support is an arc, the end of the movable contact is an arc, and the arc of the edge of the contact support and the arc of the end of the movable contact are arcs of concentric circles.
4. The movable contact connection structure of a universal circuit breaker as claimed in claim 3, wherein the arc striking structure is integrally a C-shaped structure including a first fixed section, a second fixed section, and a connection section connecting the first fixed section and the second fixed section, the connection section being perpendicular to the first fixed section and the second fixed section, wherein the arc striking angle is formed on the second fixed section, which is an arched section having a certain inclination.
5. The movable contact connection structure of a universal circuit breaker as claimed in claim 4, wherein a protrusion is formed at a bottom end of an end portion of the movable contact, and a straight line distance between the protrusion and the striking angle is 1-2mm.
6. The movable contact connection structure of a universal circuit breaker as recited in claim 5, wherein the arcing structure further comprises an arcing gasket, and the arcing gasket is located below the second fixed section, fixedly connected with the second fixed section and mounted on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223612348.5U CN220021023U (en) | 2022-12-29 | 2022-12-29 | Moving contact connection structure of universal circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223612348.5U CN220021023U (en) | 2022-12-29 | 2022-12-29 | Moving contact connection structure of universal circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220021023U true CN220021023U (en) | 2023-11-14 |
Family
ID=88681161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223612348.5U Active CN220021023U (en) | 2022-12-29 | 2022-12-29 | Moving contact connection structure of universal circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220021023U (en) |
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2022
- 2022-12-29 CN CN202223612348.5U patent/CN220021023U/en active Active
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