CN217588818U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN217588818U CN217588818U CN202221325035.9U CN202221325035U CN217588818U CN 217588818 U CN217588818 U CN 217588818U CN 202221325035 U CN202221325035 U CN 202221325035U CN 217588818 U CN217588818 U CN 217588818U
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- CN
- China
- Prior art keywords
- circuit breaker
- groove
- piece
- breaker according
- bimetallic strip
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- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A circuit breaker is provided. The problem that many specifications bimetallic strip of present circuit breaker do not have fine installation reference is mainly solved. The method is characterized in that: the casing inner wall is equipped with scale portion (11), the bimetallic strip includes master (21), the master is equipped with a piece (22), be connected with connection piece (23) that have elastic being used for being connected with lug (91) on the piece, still be connected with deformation piece (24) on the piece, deformation piece with scale portion sets up relatively. The utility model provides a circuit breaker can be used for providing the reference of initial position, the assembly of being convenient for the bimetallic strip of different specifications.
Description
Technical Field
The utility model relates to a switch field, concretely relates to circuit breaker.
Background
The circuit breaker refers to a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.
In a circuit breaker, a bimetal protection device is used for overload protection, and the bimetal protection device comprises a bimetal which is deformed by heating. However, in circuit breakers of different specifications, the initial installation angle of the bimetal is different, and the current worker can only judge the initial position of the bimetal by experience.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a circuit breaker mainly solves the many specifications bimetallic strip of present circuit breaker and does not have the problem of fine installation reference.
The utility model adopts the technical proposal that:
the utility model provides a circuit breaker, includes the casing, be equipped with bimetallic strip and adjusting screw in the casing, adjusting screw one end with the bimetallic strip contact, shells inner wall is equipped with scale portion, the bimetallic strip includes the master, the master is equipped with a piece, be connected with on the piece and have elastic connection piece that is used for being connected with the lug, still be connected with the shape deformation piece on the piece, the shape deformation piece with scale portion sets up relatively.
The main plate is provided with a supporting sheet, the supporting sheet is provided with a containing groove, a release is arranged in the shell, and the release part is arranged in the containing groove.
The shell is further provided with a limiting groove, and the main sheet extends into the limiting groove to be in limiting fit with the limiting groove.
The scale part is a groove arranged in the shell.
Still be equipped with the installation wall in the casing, be equipped with the mounting groove on the installation wall, be equipped with the mounting panel of dismantling the connection in the mounting groove, adjusting screw with mounting panel threaded connection.
The mounting panel with the mounting groove joint cooperation.
The shell comprises a side wall, and the side wall is provided with an adjusting groove which is matched with the adjusting screw.
And the adjusting groove is provided with a cover plate for covering the adjusting groove.
The utility model has the advantages that: the utility model provides a circuit breaker can be used for providing the reference of initial position for the bimetallic strip of different specifications, the assembly of being convenient for.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is an enlarged schematic view of fig. 1 at B.
Fig. 4 is a partial perspective view of an embodiment of the present invention.
Fig. 5 is a partial perspective view of an embodiment of the present invention.
Fig. 6 is a partial perspective 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, a circuit breaker, including casing 1, be equipped with bimetallic strip 2 and adjusting screw 3 in the casing, adjusting screw one end with the bimetallic strip contact, shells inner wall is equipped with scale portion 11, the bimetallic strip includes master 21, the master is equipped with a piece 22, be connected with on the piece and have elastic connection piece 23 that is used for being connected with lug 91, still be connected with deformation piece 24 on the piece, deformation piece with scale portion sets up relatively. The adjustment is effected by means of an adjusting screw, and the elastic connecting strip serves, on the one hand, for the electrical connection and, on the other hand, also for the dimensional compensation.
The utility model discloses in, as shown in the figure, be equipped with backing sheet 25 on the master slice, be equipped with holding tank 26 on the backing sheet, be equipped with release 4 in the casing, the release part is located in the holding tank. On one hand, the main sheet also plays a role in fixing the release, and the structure is more compact.
The utility model discloses in, as shown in the figure, still be equipped with spacing groove 13 on the casing, the master slice stretch into the spacing inslot with spacing cooperation in spacing groove. The inner walls of the two sides of the shell are provided with limit grooves, and the main sheet is fixed through the limit grooves.
In the present invention, as shown in the figure, the scale portion is a groove provided in the housing.
The utility model discloses in, as shown in the figure, still be equipped with installation wall 14 in the casing, be equipped with mounting groove 141 on the installation wall, be equipped with the mounting panel 142 that can dismantle the connection in the mounting groove, adjusting screw with mounting panel threaded connection. The mounting plate is provided with a through hole which is used for being in threaded connection with an adjusting screw.
In the present invention, as shown in the figure, the mounting plate is engaged with the mounting groove. And realizing fixation.
In the present invention, as shown in the figure, the housing includes a side wall 101, and an adjusting groove 102 is provided on the side wall and the adjusting screw. Can be adjusted by screw insertion.
In the present invention, as shown in the figure, the adjusting groove is provided with a cover plate 103 covering the adjusting groove. The cover plate can prevent dust from entering and is used for preventing foreign matters from entering after adjustment is finished.
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 (8)
1. The utility model provides a circuit breaker, includes casing (1), be equipped with bimetallic strip (2) and adjusting screw (3) in the casing, adjusting screw one end with the bimetallic strip contact, its characterized in that: the casing inner wall is equipped with scale portion (11), the bimetallic strip includes master (21), the master is equipped with a piece (22), be connected with connection piece (23) that have elastic being used for being connected with lug (91) on the piece, still be connected with deformation piece (24) on the piece, deformation piece with scale portion sets up relatively.
2. A circuit breaker according to claim 1, wherein: the improved shell is characterized in that a supporting sheet (25) is arranged on the main sheet, a containing groove (26) is formed in the supporting sheet, a release (4) is arranged in the shell, and the release part is arranged in the containing groove.
3. A circuit breaker according to claim 2, wherein: the shell is further provided with a limiting groove (13), and the main sheet extends into the limiting groove to be in limiting fit with the limiting groove.
4. A circuit breaker according to claim 3, wherein: the scale portion is a groove formed in the housing.
5. A circuit breaker according to claim 4, wherein: still be equipped with installation wall (14) in the casing, be equipped with mounting groove (141) on the installation wall, be equipped with mounting panel (142) that can dismantle the connection in the mounting groove, adjusting screw with mounting panel threaded connection.
6. A circuit breaker according to claim 5, wherein: the mounting panel with the mounting groove joint cooperation.
7. A circuit breaker according to claim 6, wherein: the shell comprises a side wall (101), and an adjusting groove (102) is formed in the side wall and is arranged on the adjusting screw.
8. A circuit breaker according to claim 7, wherein: and a cover plate (103) covering the adjusting groove is arranged on the adjusting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325035.9U CN217588818U (en) | 2022-05-31 | 2022-05-31 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325035.9U CN217588818U (en) | 2022-05-31 | 2022-05-31 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217588818U true CN217588818U (en) | 2022-10-14 |
Family
ID=83526981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221325035.9U Active CN217588818U (en) | 2022-05-31 | 2022-05-31 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217588818U (en) |
-
2022
- 2022-05-31 CN CN202221325035.9U patent/CN217588818U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |