CN210897160U - Plastic case circuit breaker easy to install - Google Patents
Plastic case circuit breaker easy to install Download PDFInfo
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- CN210897160U CN210897160U CN201922182149.7U CN201922182149U CN210897160U CN 210897160 U CN210897160 U CN 210897160U CN 201922182149 U CN201922182149 U CN 201922182149U CN 210897160 U CN210897160 U CN 210897160U
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Abstract
The utility model discloses an easily-installed molded case circuit breaker, which comprises a shell, an upper terminal and a lower terminal; the upper end face and the lower end face of the shell are respectively provided with a convex strip, the upper end wiring terminal and the lower end wiring terminal are respectively provided with a sliding groove, and the upper end wiring terminal and the lower end wiring terminal are respectively detachably connected with the upper end face and the lower end face of the shell by sliding the sliding groove of the upper end wiring terminal into the convex strip on the upper end face of the shell and sliding the sliding groove of the lower end wiring terminal into the convex strip on the lower end face of the shell; and the upper end wiring terminal and the lower end wiring terminal are respectively and electrically connected with the wiring end of the inner cavity of the shell through wires. The utility model discloses the degree of difficulty when having reduced connecting wire improves the installation effectiveness.
Description
Technical Field
The utility model relates to a circuit breaker technical field, concretely relates to moulded case circuit breaker of easy installation.
Background
The circuit breaker is 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 for a predetermined 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.
The circuit breaker is installed in a special distribution box, a shell of the circuit breaker is usually made of plastics, a clamping groove is formed in the back face of the shell, and the circuit breaker is detachably connected with a sliding rail in the distribution box through the clamping groove. The upper end and the lower extreme of shell all are equipped with binding post, binding post and the binding post of lower extreme of upper end all with shell integrated into one piece, every binding post all is equipped with terminal and the bolt that corresponds for fix the wire on the terminal.
The circuit breaker is generally connected by fixing the existing circuit breaker on a slide rail in a distribution box and then fixing a wire on a connecting terminal at the upper end and the lower end by using a bolt knife. However, the space of the distribution box is narrow, and the bolt knife is likely to be too long or too short, so that the bolt knife is difficult to screw the bolt on the wiring terminal. The insertion of the end of the lead into the terminal is inconvenient due to the narrow space.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a moulded case circuit breaker of easy installation to the degree of difficulty when reducing connecting wire improves the installation effectiveness.
The utility model provides an easily-installed molded case circuit breaker, which comprises a shell, an upper terminal and a lower terminal; the upper end face and the lower end face of the shell are respectively provided with a convex strip, the upper end wiring terminal and the lower end wiring terminal are respectively provided with a sliding groove, and the upper end wiring terminal and the lower end wiring terminal are respectively detachably connected with the upper end face and the lower end face of the shell by sliding the sliding groove of the upper end wiring terminal into the convex strip on the upper end face of the shell and sliding the sliding groove of the lower end wiring terminal into the convex strip on the lower end face of the shell; and the upper end wiring terminal and the lower end wiring terminal are respectively and electrically connected with the wiring end of the inner cavity of the shell through wires.
The beneficial effects of the utility model are embodied in:
and in the installation, fix the shell in dedicated block terminal earlier, if influence the operation of instruments such as screwdriver of bolt because of block terminal inner space is narrow, can follow the upper end and the lower extreme roll-off of shell respectively with upper end binding post and lower extreme binding post at this moment, reuse tools such as screwdriver of bolt is unscrewed and is screwed up on upper end binding post and the lower extreme binding post after the roll-off, very big connection that has made things convenient for the wire, the degree of difficulty when reducing the connecting wire is favorable to improving the installation effectiveness.
Preferably, the protruding strips are all perpendicular to the front end face of the shell.
The upper end wiring terminal and the lower end wiring terminal are opposite to the protruding strips and slide in, the protruding strips are perpendicular to the front end face of the shell, namely the protruding strips and the opening of the distribution box, and then the upper end wiring terminal and the lower end wiring terminal slide in towards the opening of the distribution box, so that the installation is more convenient.
Preferably, the rear end face of the housing is provided with an upper end limiting back plate extending towards the upper end of the housing, and the upper end limiting back plate is used for limiting the maximum sliding depth of the upper end wiring terminal.
Preferably, the rear end face of the shell is provided with a lower end limiting back plate extending towards the lower end of the shell and used for limiting the maximum sliding depth of the lower end wiring terminal.
The upper end limit back plate and the lower end limit back plate are used for preventing the sliding groove from exceeding the convex strip in the sliding-in process, and meanwhile, an installer is enabled to clearly know whether the sliding-in depth is in place or not, and the abnormal installation is avoided.
Preferably, the upper terminal block and the lower terminal block are each provided in plurality, and a plurality of the upper terminal blocks are parallel to each other and a plurality of the lower terminal blocks are parallel to each other.
Preferably, the cross section of the sliding groove on the side surface of each upper terminal connecting terminal is in a dovetail shape, and the upper end surface of the outer shell is provided with convex strips which are in a dovetail shape in cross section and correspond to the sliding grooves of each upper terminal connecting terminal one to one.
Preferably, each of the upper terminal blocks is provided with a terminal inside and is electrically connected with the terminal at the upper part of the inner cavity of the shell through a lead.
Preferably, the cross section of each sliding groove on the side face of the lower-end wiring terminal is in a dovetail shape, and protruding strips which are in dovetail shape with cross sections corresponding to the sliding grooves of the lower-end wiring terminals one to one are arranged on the lower end face of the shell.
Preferably, each lower terminal is provided with a terminal inside and is electrically connected with the terminal at the lower part of the inner cavity of the shell through a lead.
Every upper end binding post or every lower extreme binding post all are equipped with a terminal, and every upper end binding post or every lower extreme binding post correspond and connect a wire end promptly, and in specific wiring operation, for example maintenance process then can be alone a certain terminal and wiring alone, or new installation process then carries out wiring to every terminal in proper order. Every upper end binding post or every lower extreme binding post are all independent, do not influence each other, further reduce the degree of difficulty in the wiring installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
fig. 5 is an enlarged view at B in fig. 1.
In the attached drawing, a shell 1, an upper terminal binding post 2, a lower terminal binding post 3, a sliding groove 4, a convex strip 5, an upper limit back plate 6, a lower limit back plate 7 and a binding post 8.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1 to 3, the present embodiment provides an easily-installed molded case circuit breaker, which includes a case 1, an upper terminal 2, and a lower terminal 3, where the case 1, the upper terminal 2, and the lower terminal 3 are rectangular in shape. The upper end binding post 2 and the lower end binding post 3 all are equipped with four in this embodiment to every upper end binding post 2 all is equipped with spout 4 with every lower end binding post 3's side. Correspondingly, the upper end surface and the lower end surface of the housing 1 are all four convex strips 5, and each convex strip 5 is perpendicular to the front end surface of the housing 1 and the four convex strips 5 of each end surface are parallel to each other.
The specific structure of the upper-end wiring terminal 2 in this embodiment is as follows:
as shown in fig. 4 and 5, the cross-sectional shape of the sliding groove 4 on the side surface of each upper terminal 2 is dovetail, and the upper end surface of the housing 1 is provided with a protruding strip 5 having a dovetail cross-sectional shape corresponding to the sliding groove 4 of each upper terminal 2, so that each upper terminal 2 is detachably connected to the housing 1. The rear end face of the shell 1 is provided with an upper end limiting back plate 6 extending towards the upper end of the shell 1 and used for limiting the maximum sliding depth of the upper end wiring terminal 2. When the upper end wiring terminal 2 slides into the maximum depth, the upper end wiring terminal is contacted with the upper end limiting backboard 6, so that the upper end limiting backboard 6 prevents the upper end wiring terminal 2 from exceeding the convex strip 5, and the limiting effect is achieved. In addition, each of the upper terminal blocks 2 is provided with a terminal 8 inside and each of the terminal 8 is electrically connected with a terminal on the upper part of the inner cavity of the housing 1 through a lead. The wire is made of a wire with lower hardness, the upper terminal connecting terminal 2 is separated from the shell 1, and the upper terminal connecting terminal 2 can be conveniently taken away, so that the wire is prevented from being too hard to influence the wiring operation of the upper terminal connecting terminal 2.
The structure of the lower terminal 3 in this embodiment is completely the same as the structure of the upper terminal 2, specifically as follows:
the cross section of the sliding groove 4 on the side surface of each lower-end wiring terminal 3 is in a dovetail shape, and the lower end surface of the shell 1 is provided with protruding strips 5 which are in dovetail shape in cross section one-to-one correspondence with the sliding grooves 4 of each lower-end wiring terminal 3, so that each lower-end wiring terminal 3 can be detachably connected with the shell 1. In this embodiment, the shapes of the sliding groove 4 of each upper terminal connecting terminal 2 and the sliding groove 4 of each lower terminal connecting terminal 3 are the same, and only one mold is needed during production and manufacturing, so that the mold opening cost is reduced, and the production and manufacturing cost is reduced. The rear end face of the shell 1 is provided with a lower end limiting back plate 7 extending towards the lower end of the shell 1 and used for limiting the maximum sliding depth of the lower end wiring terminal 3. The action of the lower end limit back plate 7 on the upper end limit back plate 6 is the same, so that the limiting effect is achieved, and meanwhile, an installer can clearly know whether the sliding-in depth is in place, and the abnormal installation is avoided. Each lower extreme binding post 3's inside all is equipped with a terminal 8 and every terminal 8 all is connected with the wiring end electricity of shell 1 inner chamber lower part through the wire.
The specific installation method of the equipment comprises the following steps: the middle part at the 1 back of shell is fixed back on the slide rail of block terminal, if influence the operation of instruments such as bolted cutter because of the block terminal inner space is narrow, at this moment can follow shell 1's upper end and lower extreme roll-off respectively with one or four upper end binding post 2 and one or four lower extreme binding post 3, instrument such as reuse bolted cutter connects the end of wire on upper end binding post 2 and lower extreme binding post 3's terminal 8 after the roll-off, very big having made things convenient for the connection of wire, reduce the degree of difficulty when connecting the wire, be favorable to improving the installation effectiveness.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. An easily-installed molded case circuit breaker comprises a shell, an upper end wiring terminal and a lower end wiring terminal; the method is characterized in that: the upper end face and the lower end face of the shell are respectively provided with a convex strip, the upper end wiring terminal and the lower end wiring terminal are respectively provided with a sliding groove, and the upper end wiring terminal and the lower end wiring terminal are respectively detachably connected with the upper end face and the lower end face of the shell by sliding the sliding groove of the upper end wiring terminal into the convex strip on the upper end face of the shell and sliding the sliding groove of the lower end wiring terminal into the convex strip on the lower end face of the shell; and the upper end wiring terminal and the lower end wiring terminal are respectively and electrically connected with the wiring end of the inner cavity of the shell through wires.
2. An easily-installed molded case circuit breaker according to claim 1, wherein: the raised lines are perpendicular to the front end face of the shell.
3. An easily-installed molded case circuit breaker according to claim 1, wherein: the rear end face of the shell is provided with an upper end limiting back plate extending towards the upper end of the shell and used for limiting the maximum sliding depth of the upper end wiring terminal.
4. An easily-installed molded case circuit breaker according to claim 1, wherein: the rear end face of the shell is provided with a lower end limiting back plate extending towards the lower end of the shell and used for limiting the maximum sliding depth of the lower end wiring terminal.
5. An easily-installed molded case circuit breaker according to claim 1, wherein: upper end binding post and lower extreme binding post all are equipped with a plurality ofly to a plurality of upper end binding post are parallel to each other and a plurality of lower extreme binding post are parallel to each other.
6. An easily-installed molded case circuit breaker according to claim 5, wherein: the cross section of each sliding groove on the side face of the upper end wiring terminal is in a dovetail shape, and the cross section of each protruding strip, which corresponds to the sliding groove of each upper end wiring terminal one to one, in the dovetail shape is arranged on the upper end face of the shell.
7. An easily-installed molded case circuit breaker according to claim 6, wherein: each wiring terminal is arranged in the upper end wiring terminal and is electrically connected with the wiring terminal on the upper part of the inner cavity of the shell through a lead.
8. An easily-installed molded case circuit breaker according to claim 1, wherein: the cross section of each sliding groove on the side face of the lower end wiring terminal is in a dovetail shape, and protruding strips which are in dovetail shape with the cross section corresponding to the sliding grooves of the lower end wiring terminals one to one are arranged on the lower end face of the shell.
9. An easily-installed molded case circuit breaker according to claim 8, wherein: every lower extreme binding post's inside all is equipped with a terminal and every terminal all is connected through the wiring of wire with shell cavity lower part electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182149.7U CN210897160U (en) | 2019-12-09 | 2019-12-09 | Plastic case circuit breaker easy to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182149.7U CN210897160U (en) | 2019-12-09 | 2019-12-09 | Plastic case circuit breaker easy to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210897160U true CN210897160U (en) | 2020-06-30 |
Family
ID=71324733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922182149.7U Active CN210897160U (en) | 2019-12-09 | 2019-12-09 | Plastic case circuit breaker easy to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210897160U (en) |
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2019
- 2019-12-09 CN CN201922182149.7U patent/CN210897160U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Longwei Electric Co.,Ltd. Address before: No.1 Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Wenzhou Longwei Electric Co.,Ltd. Address after: No.1 Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Longwei Electric Co.,Ltd. Address before: No.1 Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Longwei Electric Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |