CN211858555U - Small-sized circuit breaker - Google Patents
Small-sized circuit breaker Download PDFInfo
- Publication number
- CN211858555U CN211858555U CN202020752357.6U CN202020752357U CN211858555U CN 211858555 U CN211858555 U CN 211858555U CN 202020752357 U CN202020752357 U CN 202020752357U CN 211858555 U CN211858555 U CN 211858555U
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- groove
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- circuit breaker
- lug
- shell
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- 230000009471 action Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A miniature circuit breaker. The wiring structure of mainly solving present circuit breaker is more complicated, awkward problem. The wiring structure of mainly solving present circuit breaker is more complicated, awkward problem. The method is characterized in that: the wire clamping piece comprises an elastic piece, the pushing piece is pressed against the upper end of the elastic piece, one end of the elastic piece comprises a pressing part arranged below the lug plate, and a wire connecting groove is formed between the pressing part and the lug plate; the first through groove and the wiring groove are correspondingly arranged for a lead to extend into; the pressing part comprises a first position for pressing the lead under the action of elastic force and a second position separated from the lug after the pushing part presses downwards; the wire clamping piece comprises a connecting portion connected with the lug plate, a support plate and a limiting plate are further arranged in the shell, the connecting piece is arranged on the limiting plate, and the limiting plate is correspondingly arranged above the connecting portion. The utility model provides a miniature circuit breaker presses the installation that can realize the wire and takes out through the impeller, does not need the instrument, simple structure, convenient to use.
Description
Technical Field
The utility model belongs to the circuit breaker field, in particular to miniature circuit breaker.
Background
The circuit breaker is an important component of the electrical appliance industry and has been widely applied, and when an electrical circuit works normally, the circuit breaker can achieve the functions of power failure, power supply, circuit conversion and the like by closing or opening a circuit for supplying electric energy; when the electrical circuit is in overload, short circuit and other abnormalities, the circuit breaker can cut off the electrical circuit by tripping, so that the safety of workers and the normal operation of equipment are prevented from being endangered due to circuit faults.
The structure of the existing circuit breaker for connecting wires is complex, and a tool is needed to rotate a screw when the circuit breaker is used.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a miniature circuit breaker mainly solves the wiring structure of present circuit breaker more complicated, awkward problem.
The utility model adopts the technical proposal that:
a miniature circuit breaker comprises a shell, wherein a tripping mechanism and an arc extinguishing mechanism are arranged in the shell, the miniature circuit breaker further comprises a pushing piece, a wire clamping piece and a wiring piece, the wire clamping piece and the wiring piece are arranged in the shell, a first through groove and a second through groove are formed in the shell, the pushing piece is in sliding fit with the shell, and the pushing piece is partially arranged in the second through groove and used for pressing; the wire clamping piece comprises an elastic piece, the pushing piece is pressed against the upper end of the elastic piece, one end of the elastic piece comprises a pressing part arranged below the lug plate, and a wire connecting groove is formed between the pressing part and the lug plate; the first through groove and the wiring groove are correspondingly arranged for a lead to extend into; the pressing part comprises a first position for pressing the lead under the action of elastic force and a second position separated from the lug after the pushing part presses downwards; the wire clamping piece comprises a connecting portion connected with the lug plate, a support plate and a limiting plate are further arranged in the shell, the connecting portion is arranged on the limiting plate, and the limiting plate is correspondingly arranged above the connecting portion.
The shell is internally provided with a guide groove, the pushing piece comprises a rod part, and the rod part is in sliding fit with the guide groove.
The rod part is provided with a baffle ring, the diameter of the baffle ring is larger than that of the guide groove, and the baffle ring is arranged below the guide groove.
A through groove is formed in the elastic sheet, and the wiring sheet penetrates through the through groove.
The connecting part is a bottom plate, clamping pins are arranged on two sides of the bottom plate, and the clamping pins on two sides are clamped on two sides of the lug.
The elastic piece comprises a main piece used for being contacted by the pushing piece, and the limiting plate is correspondingly arranged below the main piece.
The shell is provided with a clamping groove, and one end of the lug is bent and arranged in the clamping groove.
The utility model has the advantages that: the utility model provides a miniature circuit breaker presses the installation that can realize the wire and takes out through the impeller, does not need the instrument, simple structure, convenient to use.
Drawings
Fig. 1 is a partial perspective view of an embodiment of the present invention.
Fig. 2 is an internal perspective view of an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a point a in fig. 2.
Fig. 4 is a partial perspective view of an embodiment of the present invention.
Fig. 5 is a schematic partial sectional view of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the miniature circuit breaker comprises a shell 1, wherein a tripping mechanism and an arc extinguishing mechanism are arranged in the shell, the miniature circuit breaker further comprises a pushing piece 2, a wire clamping piece 3 and a wiring lug 4, the wire clamping piece and the wiring lug are arranged in the shell, a first through groove 11 and a second through groove 12 are arranged on the shell, the pushing piece is in sliding fit with the shell, and the pushing piece is partially arranged in the second through groove and used for pressing; the wire clamping piece comprises an elastic piece 31, the pushing piece is pressed against the upper end of the elastic piece, one end of the elastic piece comprises a pressing part 32 arranged below the lug plate, and a wire connecting groove 33 is formed between the pressing part and the lug plate; the first through groove and the wiring groove are correspondingly arranged for a lead to extend into; the pressing part comprises a first position for pressing the lead under the action of elastic force and a second position separated from the lug after the pushing part presses downwards; the wire clamping piece comprises a connecting portion 34 connected with the lug plate, a support plate 15 and a limiting plate 16 are further arranged in the shell, the connecting portion is arranged on the limiting plate, and the limiting plate is correspondingly arranged above the connecting portion. During the use, get into the wire through first logical groove, then push down the impeller, make and press the splenium to leave the lug, the wire is located the wiring inslot after, unclamp the impeller, resets at the flexure strip, presses the splenium to restore to the throne and supports to press and realize fixing in the wire bottom, simple structure, convenient to use. The arc extinguishing mechanism and the tripping mechanism in the circuit breaker are the prior art, and are not described any more, as one of the optional solutions, a chinese patent with a publication number of "CN 104465248B" can be adopted, and on the other hand, the limiting plate and the support plate are used for limiting the wire clip and the wire clamping piece, so that the structure is simple, and the use is stable.
In this embodiment, as shown in the drawings, a guide groove 13 is provided in the housing, and the pushing member includes a rod portion 21, which is slidably fitted in the guide groove. The operation is more stable.
In this embodiment, as shown in the figure, the rod portion is provided with a stop ring 211, the diameter of the stop ring is larger than that of the guide groove, and the stop ring is arranged below the guide groove. The push part is prevented from being removed, and a cap 25 for hand pressing is provided on the upper end surface of the rod part.
In this embodiment, as shown in the figure, a through slot 311 is provided on the elastic sheet, and the wire connecting sheet passes through the through slot. The operation is more stable.
In this embodiment, as shown in the figure, the connecting portion is a bottom sheet, two sides of the bottom sheet are provided with clamping pins 341, and the clamping pins on the two sides are clamped on two sides of the connecting sheet. The installation is convenient, and the stability can be further improved by welding.
In this embodiment, as shown in the figure, the elastic piece includes a main piece 35 for the contact of the pushing piece, and the limiting plate is correspondingly disposed below the main piece.
In this embodiment, as shown in the figure, the housing is provided with a clamping groove 17, and one end of the lug is bent and arranged in the clamping groove. The location is more accurate, prevents to rock.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (7)
1. The utility model provides a miniature circuit breaker, includes casing (1), be equipped with tripping device and arc extinguishing mechanism in the casing, its characterized in that: the wire clamping device is characterized by further comprising a pushing piece (2), a wire clamping piece (3) and a wiring piece (4), wherein the wire clamping piece and the wiring piece are arranged in the shell, a first through groove (11) and a second through groove (12) are formed in the shell, the pushing piece is in sliding fit with the shell, and the pushing piece is partially arranged in the second through groove and used for pressing;
the wire clamping piece comprises an elastic piece (31), the pushing piece is pressed against the upper end of the elastic piece, one end of the elastic piece comprises a pressing part (32) arranged below the lug plate, and a wire connecting groove (33) is formed between the pressing part and the lug plate;
the first through groove and the wiring groove are correspondingly arranged for a lead to extend into;
the pressing part comprises a first position for pressing the lead under the action of elastic force and a second position separated from the lug after the pushing part presses downwards;
the wire clamping piece comprises a connecting portion (34) connected with the lug plate, a support plate (15) and a limiting plate (16) are further arranged in the shell, the connecting portion is arranged on the limiting plate, and the limiting plate is correspondingly arranged above the connecting portion.
2. A miniature circuit breaker according to claim 1, wherein: a guide groove (13) is formed in the shell, the pushing piece comprises a rod portion (21), and the rod portion is in sliding fit with the guide groove.
3. A miniature circuit breaker according to claim 2, wherein: the rod part is provided with a baffle ring (211), the diameter of the baffle ring is larger than that of the guide groove, and the baffle ring is arranged below the guide groove.
4. A miniature circuit breaker according to claim 3, wherein: a through groove (311) is formed in the elastic sheet, and the wiring sheet penetrates through the through groove.
5. A miniature circuit breaker according to claim 1, wherein: the connecting part is a bottom plate, clamping pins (341) are arranged on two sides of the bottom plate, and the clamping pins on two sides are clamped on two sides of the lug plate.
6. A miniature circuit breaker according to claim 1, wherein: the elastic piece comprises a main piece (35) used for being contacted by the pushing piece, and the limiting plate is correspondingly arranged below the main piece.
7. A miniature circuit breaker according to claim 1, wherein: the shell is provided with a clamping groove (17), and one end of the lug is bent and arranged in the clamping groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020752357.6U CN211858555U (en) | 2020-05-09 | 2020-05-09 | Small-sized circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020752357.6U CN211858555U (en) | 2020-05-09 | 2020-05-09 | Small-sized circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211858555U true CN211858555U (en) | 2020-11-03 |
Family
ID=73177673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020752357.6U Active CN211858555U (en) | 2020-05-09 | 2020-05-09 | Small-sized circuit breaker |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211858555U (en) |
-
2020
- 2020-05-09 CN CN202020752357.6U patent/CN211858555U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang. Patentee after: Zhejiang Chuangqi Electric Co.,Ltd. Address before: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang. Patentee before: ZHEJIANG CHUANGQI ELECTRIC Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |