CN209981128U - Low-voltage circuit breaker convenient to installation - Google Patents
Low-voltage circuit breaker convenient to installation Download PDFInfo
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- CN209981128U CN209981128U CN201920930647.2U CN201920930647U CN209981128U CN 209981128 U CN209981128 U CN 209981128U CN 201920930647 U CN201920930647 U CN 201920930647U CN 209981128 U CN209981128 U CN 209981128U
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Abstract
The utility model provides a low-voltage circuit breaker convenient to install, wherein, one side of an installation bracket, which is close to a circuit breaker body, is provided with an installation hole; the mounting holes comprise a first guide hole, a second guide hole and a central groove which are vertically arranged; a connecting hole is vertically communicated between the first guide hole and the second guide hole, a locking piece is arranged inside the connecting hole and comprises memory metal, first springs are arranged at two ends of the memory metal respectively, locking pins are arranged at the tops of the first springs respectively, and the locking pins are inclined edges close to one side of the circuit breaker body; the central groove is arranged in the middle of the mounting bracket and penetrates through the connecting hole; the back of the circuit breaker body is vertically provided with a first guide post, a second guide post and a central post which correspond to the first guide hole, the second guide hole and the central groove respectively, and the first guide post and the second guide post are provided with locking square holes corresponding to the locking pins respectively; the installation and the taking out are both convenient, and the installation of a plurality of quantity side by side is convenient and fixed through the installation bracket.
Description
Technical Field
The utility model belongs to the technical field of low-voltage circuit breaker, concretely relates to low-voltage circuit breaker convenient to installation.
Background
The low-voltage circuit breaker is a switching device which can not only connect and disconnect normal load current and overload current, but also connect and disconnect short-circuit current. The low-voltage circuit breaker has certain protection functions such as overload, short circuit, undervoltage and leakage protection besides the function of starting control in the circuit. When the traditional low-voltage circuit breaker is installed, the circuit breaker needs to be fixed by a plurality of screws, and when the circuit breaker is maintained, the screws need to be detached one by one, which is very troublesome; if the number of the products is in common household occasions, the products are small and acceptable; but in switch board assembly enterprise, low voltage circuit breaker's use quantity is high, and so loaded down with trivial details assembly process wastes time and energy, and production efficiency is low, influences the performance of enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low-voltage circuit breaker convenient to installation to solve in the big low-voltage circuit breaker of switch board isotacticity uses the production occasion, traditional low-voltage circuit breaker installation is inconvenient, the problem that wastes time and energy.
The utility model provides a following technical scheme:
a low-voltage circuit breaker convenient to mount comprises a circuit breaker body and a mounting bracket, wherein the mounting bracket is in a long strip shape, one side of the mounting bracket, which is far away from the circuit breaker body, extends outwards to form a fixing lug, and the fixing lug is provided with a waist-shaped hole; a mounting hole is formed in one side, close to the circuit breaker body, of the mounting bracket; the mounting holes comprise a first guide hole, a second guide hole and a central groove which are vertically arranged; a connecting hole is vertically communicated between the first guide hole and the second guide hole, a locking piece is arranged in the connecting hole and comprises memory metal, first springs are arranged at two ends of the memory metal respectively, locking pins are arranged at the tops of the first springs respectively, and one side, close to the circuit breaker body, of each locking pin is an inclined side; the central groove is arranged in the middle of the mounting bracket and penetrates through the connecting hole; the back of the circuit breaker body is vertically provided with a first guide post, a second guide post and a center post which correspond to the first guide hole, the second guide hole and the center groove respectively, and the first guide post and the second guide post are provided with locking square holes corresponding to the locking pins respectively.
Further, the top of the central column is conical.
Furthermore, the bottom of the center slot is provided with a second spring, and the top of the second spring is provided with a push plate.
Furthermore, the first guide hole, the second guide hole and the center of the central groove are collinear, and the first guide hole and the second guide hole are identical in structure and are symmetrically arranged on two sides.
Further, the first guide post and the second guide post are identical in structure and longer than the center post.
Furthermore, the mounting holes are provided with a plurality of groups and are arranged on the surface of the mounting bracket at intervals in parallel.
The utility model has the advantages that:
the utility model provides a low-voltage circuit breaker convenient to install, which is fixed in a unified way through an installation bracket, the installation bracket is installed at the position needing to be fixed, and a plurality of low-voltage circuit breakers can be fixed on the surface of the installation bracket through installation holes; when the low-voltage circuit breaker is installed, the locking piece and the locking square hole are used for locking and fixing, and the locking pin is meshed with the locking square hole, so that the low-voltage circuit breaker cannot be pulled out; when the low-voltage circuit breaker is taken out, the memory metal is extruded by the middle column, so that the locking pin is retracted into the connecting hole in a short time, and the low-voltage circuit breaker can be taken out; then, under the action force of a second spring and the memory metal, the reset is carried out; to sum up, the utility model discloses it is all convenient to have the installation and take out, and is convenient for the installation of a large amount side by side through the installing support fixed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the present invention;
fig. 2 is an unlocking schematic diagram of the present invention;
FIG. 3 is a schematic view of the installation of the present invention;
labeled as: 1. the circuit breaker comprises a breaker body, 11, a first guide post, 12, a second guide post, 13, a central post, 14, a locking square hole, 2, a mounting bracket, 21, a first guide hole, 22, a second guide hole, 23, a central groove, 24, a connecting hole, 25, a second spring, 26, a push plate, 27, a fixing lug, 28, a kidney-shaped hole, 3, a locking piece, 31, a memory metal, 32, a first spring, 33, a locking pin and 34, and an inclined edge.
Detailed Description
As shown in fig. 1-3, a low-voltage circuit breaker convenient to mount includes a circuit breaker body 1 and a mounting bracket 2, the mounting bracket 2 is a strip shape, one side of the mounting bracket, which is far away from the circuit breaker body 1, extends outward to form a fixing lug 27, and the fixing lug 27 is provided with a waist-shaped hole 28; one side of the mounting bracket 2, which is close to the breaker body 1, is provided with a mounting hole; the mounting holes comprise a first guide hole 21, a second guide hole 22 and a central groove 23 which are vertically arranged; a connecting hole 24 is vertically communicated between the first guide hole 21 and the second guide hole 22, a locking piece 3 is arranged inside the connecting hole 24, the locking piece 3 comprises a memory metal 31, two ends of the memory metal 31 are respectively provided with a first spring 32, the top of the first spring 32 is respectively provided with a locking pin 33, and one side of the locking pin 33 close to the circuit breaker body 1 is an inclined edge 34; the central groove 23 is arranged in the middle of the mounting bracket 2 and penetrates through the connecting hole 24; the back of the breaker body 1 is vertically provided with a first guide post 11, a second guide post 12 and a center post 13 which correspond to a first guide hole 21, a second guide hole 22 and a center groove 23 respectively, the top of the center post 13 is conical, and the first guide post 11 and the second guide post 12 are provided with locking square holes 14 which correspond to locking pins 33 respectively; a second spring 25 is arranged at the bottom of the central groove 23, and a push plate 26 is arranged at the top of the second spring 25; the centers of the first guide hole 21, the second guide hole 22 and the central groove 23 are collinear, and the first guide hole 21 and the second guide hole 22 have the same structure and are symmetrically arranged on two sides; the first guide post 11 and the second guide post 12 have the same structure and the length is larger than that of the central post 13; the mounting holes are provided with a plurality of groups and are arranged on the surface of the mounting bracket 2 at intervals in parallel.
The installation and use mode of the specific embodiment is as follows:
selecting a mounting bracket 2 with a proper length according to the size of the power distribution cabinet and the using number of the low-voltage circuit breakers, and fixing the mounting bracket 2 on the inner wall of the power distribution cabinet through a fixing lug 27, a waist-shaped hole 28 and screws; the low-voltage circuit breaker is taken out and the first guide post 11, the second guide post 12 and the central post 13 at the back of the low-voltage circuit breaker are inserted into the mounting holes (the first guide hole 21, the second guide hole 22 and the central groove 23) corresponding to the surface of the mounting bracket 2, during the insertion process, the tops of the first guide post 11 and the second guide post 12 extrude the inclined edge of the locking pin 33, the locking pin 33 is compressed downwards along the first spring 32, when the locking square hole 14 reaches the position of the locking pin 33, the first spring 32 rebounds and is inserted into the locking square hole 14, and the low-voltage circuit breaker is mounted and cannot be pulled out; when the low-voltage circuit breaker needs to be taken down, the low-voltage circuit breaker needs to be pushed inwards continuously, at the moment, the inclined edge of the locking pin 33 is pushed by the inner wall of the locking square hole 14 to be pressed down along the first spring 32, meanwhile, the middle column 13 pushes the memory metal 31 to deform, the locking pins 33 at two ends are pulled inwards, meanwhile, the locking pins 33 cannot reset in a short time, and at the moment, the low-voltage circuit breaker can be pulled out smoothly; thereafter, it is restored by the self-restoring force of the memory metal 31 and the second spring 25.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A low-voltage circuit breaker convenient to mount is characterized by comprising a circuit breaker body and a mounting bracket, wherein the mounting bracket is in a long strip shape, one side of the mounting bracket, which is far away from the circuit breaker body, extends outwards to form a fixing lug, and the fixing lug is provided with a waist-shaped hole; a mounting hole is formed in one side, close to the circuit breaker body, of the mounting bracket; the mounting holes comprise a first guide hole, a second guide hole and a central groove which are vertically arranged; a connecting hole is vertically communicated between the first guide hole and the second guide hole, a locking piece is arranged in the connecting hole and comprises memory metal, first springs are arranged at two ends of the memory metal respectively, locking pins are arranged at the tops of the first springs respectively, and one side, close to the circuit breaker body, of each locking pin is an inclined side; the central groove is arranged in the middle of the mounting bracket and penetrates through the connecting hole; the back of the circuit breaker body is vertically provided with a first guide post, a second guide post and a center post which correspond to the first guide hole, the second guide hole and the center groove respectively, and the first guide post and the second guide post are provided with locking square holes corresponding to the locking pins respectively.
2. A low-voltage circuit breaker easy to install as claimed in claim 1, characterized in that said central column top is tapered.
3. A low-voltage circuit breaker easy to install as claimed in claim 1, characterized in that said central groove is provided at the bottom with a second spring, said second spring being provided at the top with a push plate.
4. An easily installable low-voltage circuit breaker as claimed in claim 1, characterized in that said first guide hole, said second guide hole and said central slot are centrally collinear, said first guide hole and said second guide hole being identical in structure and arranged bilaterally symmetrically.
5. An easy to install low voltage circuit breaker as claimed in claim 1, characterized in that said first and second guide posts are structurally identical and have a length greater than the length of said central post.
6. An easily installable low-voltage circuit breaker as claimed in claim 1, wherein said holes are provided in groups and spaced apart side by side on said mounting bracket surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930647.2U CN209981128U (en) | 2019-06-19 | 2019-06-19 | Low-voltage circuit breaker convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930647.2U CN209981128U (en) | 2019-06-19 | 2019-06-19 | Low-voltage circuit breaker convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981128U true CN209981128U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920930647.2U Active CN209981128U (en) | 2019-06-19 | 2019-06-19 | Low-voltage circuit breaker convenient to installation |
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| Country | Link |
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| CN (1) | CN209981128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952580A (en) * | 2021-04-02 | 2021-06-11 | 上海康达电力安装工程有限公司 | Mounting structure of low-voltage distribution cabinet |
-
2019
- 2019-06-19 CN CN201920930647.2U patent/CN209981128U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952580A (en) * | 2021-04-02 | 2021-06-11 | 上海康达电力安装工程有限公司 | Mounting structure of low-voltage distribution cabinet |
| CN112952580B (en) * | 2021-04-02 | 2023-04-11 | 上海康达电力安装工程有限公司 | Mounting structure of low-voltage distribution cabinet |
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