CN212485258U - Plug-in circuit breaker - Google Patents
Plug-in circuit breaker Download PDFInfo
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- CN212485258U CN212485258U CN202021637879.8U CN202021637879U CN212485258U CN 212485258 U CN212485258 U CN 212485258U CN 202021637879 U CN202021637879 U CN 202021637879U CN 212485258 U CN212485258 U CN 212485258U
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- device main
- circuit breaker
- plug
- wiring board
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Abstract
The utility model provides a plug-in circuit breaker relates to switchgear technical field, including device main part, draw-in groove and LED lamp, the embedding of the right flank below of device main part is provided with handle rotating assembly, and electrically conductive splicing support frame has all been seted up at both ends about the inside left surface of device main part, and the nestification is provided with the guide vane between the inside of electrically conductive splicing support frame. The utility model discloses in, through installing the doctor-bar, when external wiring board inserts in the draw-in groove with the guide card contact, the guide card can closely laminate to outside wiring board lateral surface all the time through the elasticity of first spring, makes external wiring board closely laminate with the guide card all the time, has the clearance between avoiding and leads to lighting a fire to the doctor-bar can closely laminate to the external wiring board lateral surface that gets into in the draw-in groove through the elasticity of second spring, makes certain leakproofness has in external wiring board and the draw-in groove.
Description
Technical Field
The utility model relates to a switchgear technical field especially relates to a plug-in circuit breaker.
Background
The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, a motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, parts are not required to be changed after fault current is cut off, the circuit breaker needs to use various circuit breakers in the protection and use process of various devices, and a maintainer needs to check once the circuit breaker is damaged internally, so that the working efficiency is reduced, and a connector and a circuit breaker are exposed outdoors when an external plug board is connected into the circuit breaker, so that certain potential safety hazards are realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the plug-in circuit breaker who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a plug-in circuit breaker comprises a device main body, clamping grooves and LED lamps, and is characterized in that a handle rotating assembly is embedded below the right side face of the device main body, conductive splicing piece supporting frames are respectively arranged at the upper end and the lower end of the left side face inside the device main body, guide pieces are embedded between the inner portions of the conductive splicing piece supporting frames, the upper right corner inside the device main body is fixedly connected with a wiring terminal through a nut, an arc extinguishing cover is fixedly connected to the middle portion below the inner portion of the device main body, and the clamping grooves are respectively arranged at the upper end and the lower end of the left side face of the device main body;
and the upper end and the lower end of the left side of the inner wall of the clamping groove are embedded with scraping pieces.
Preferably, a first spring is fixedly connected between the conductive contact piece support frame and the guide piece.
Preferably, the upper side surface and the lower side surface of the contact surface of the guide sheet and the conductive splicing support frame are concave arc surfaces.
Preferably, a second spring is fixedly connected between the scraping piece and the inner wall of the clamping groove.
Preferably, the scraping piece is made of rubber, and the lower part of the left side face of the scraping piece is triangular.
Preferably, the LED lamp is fixedly connected to the right side of the top end of the device main body.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through installing the doctor-bar, when external wiring board inserts in the draw-in groove with the guide card contact, the guide card can closely laminate to outside wiring board lateral surface all the time through the elasticity of first spring, makes external wiring board closely laminate with the guide card all the time, has the clearance between avoiding and leads to lighting a fire to the doctor-bar can closely laminate to the external wiring board lateral surface that gets into in the draw-in groove through the elasticity of second spring, makes certain leakproofness has in external wiring board and the draw-in groove.
2. Secondly, through installing the LED lamp, in a plurality of this device use, the LED lamp all can light, and in case arbitrary device main part damages the back outage LED lamp all can extinguish, and the maintenance personal of being convenient for observes the very first time and knows that device main part damages, the maintenance of being convenient for.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 3 is an enlarged schematic structural view of the position B in fig. 1 according to the present invention;
in fig. 1 to 3, the correspondence between the part names or lines and the reference numbers is:
the device comprises a device body 1, a wiring terminal 101, a handle rotating assembly 102, a conductive connecting piece supporting frame 103, a first spring 104, a guide piece 105, a clamping groove 2, a scraping piece 201, a second spring 202, an LED lamp 3, an arc extinguishing cover 4 and an arc extinguishing grid plate 401.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the utility model provides a plug-in circuit breaker, which comprises a device main body 1, a clamping groove 2 and an LED lamp 3, wherein a handle rotating component 102 is embedded below the right side surface of the device main body 1, the upper and lower ends of the inner left side surface of the device main body 1 are both provided with a conductive splicing supporting frame 103, a guide piece 105 is nested between the inner parts of the conductive splicing supporting frames 103, the upper right corner of the inner part of the device main body 1 is fixedly connected with a wiring terminal 101 through a nut, the middle part of the inner lower part of the device main body 1 is fixedly connected with an arc extinguishing cover 4, and the upper and lower ends of the left side surface of the device main;
the upper end and the lower end of the left side of the inner wall of the clamping groove 2 are both embedded with scraping blades 201.
Further, the first spring 104 of fixedly connected with between electrically conductive splicing support frame 103 and the guide vane 105, when external wiring board inserts in draw-in groove 2, the elasticity that the guide vane 105 can pass through first spring 104 is laminated to external wiring board lateral surface all the time for be difficult for having the clearance between external wiring board and the guide vane 105, improve the fastness between guide vane 105 and the external wiring board.
Furthermore, the upper and lower side surfaces of the contact surface of the guide piece 105 and the conductive connecting piece support frame 103 are concave arc surfaces, the guide piece 105 is always expanded outwards by the elastic force of the first spring 104, and the guide piece 105 with the arc surface makes the guide piece 105 and the first spring 104 not easy to loosen when the guide piece 105 moves towards the outer side surface of the external inserting plate by the elastic force of the first spring 104.
Further, fixedly connected with second spring 202 between doctor-bar 201 and the 2 inner walls of draw-in groove, after external wiring board got into draw-in groove 2, doctor-bar 201 at first can closely laminate to external picture peg lateral surface all the time through the elasticity of second spring 202, scrapes the adnexed impurity of external picture peg lateral surface to doctor-bar 201 can have certain leakproofness with the external world in inserting draw-in groove 2 to external picture peg, reaches and has certain waterproof nature.
Further, doctor-bar 201 is the rubber material, and the left surface below of doctor-bar 201 is triangle-shaped, and the external picture peg surface of can closely laminating of doctor-bar 201 of rubber material, and doctor-bar 201 below is triangle-shaped simultaneously and makes to form tangentially to the external picture peg surface that gets into in draw-in groove 2, makes doctor-bar 201 can scrape to the adnexed impurity of external picture peg surface, avoids getting into in draw-in groove 2.
Further, the top right side fixedly connected with LED lamp 3 of device main part 1, in a plurality of this devices use, in case LED lamp 3 can extinguish behind the inside damage of arbitrary device main part 1, the maintenance personal of being convenient for observes damaged device main part 1 fast.
The working principle is as follows: during the use, the user inserts between the guide vane 105 in draw-in groove 2 with external wiring board earlier, then, doctor-bar 201 can be at first closely laminated to external picture peg lateral surface all the time through the elasticity of second spring 202, scrape the adnexed impurity of external picture peg lateral surface, and doctor-bar 201 can insert draw-in groove 2 with external certain leakproofness to external picture peg, then, guide vane 105 can be laminated to external picture peg lateral surface all the time through the elasticity of first spring 104, make difficult clearance that has between external wiring board and the guide vane 105, finally, in a plurality of this device use, in case LED lamp 3 can extinguish behind arbitrary one device main part 1 internal damage, the maintenance personal of being convenient for observes fast knows damaged device main part 1.
The embodiments of the present application have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. A plug-in circuit breaker comprises a device main body (1), a clamping groove (2) and an LED lamp (3), and is characterized in that a handle rotating assembly (102) is embedded below the right side face of the device main body (1), conductive splicing piece supporting frames (103) are respectively arranged at the upper end and the lower end of the left side face of the interior of the device main body (1), guide pieces (105) are nested between the interiors of the conductive splicing piece supporting frames (103), the upper right corner of the interior of the device main body (1) is fixedly connected with a wiring terminal (101) through a nut, an arc extinguishing cover (4) is fixedly connected to the middle part below the interior of the device main body (1), and the clamping groove (2) is respectively arranged at the upper end and the lower end of the left side face of the;
the upper end and the lower end of the left side of the inner wall of the clamping groove (2) are embedded with scraping blades (201).
2. The plug-in circuit breaker according to claim 1, characterized in that a first spring (104) is fixedly connected between the conductive tab support frame (103) and the guide tab (105).
3. The plug-in circuit breaker according to claim 1, characterized in that the upper and lower side surfaces of the contact surface of the guide piece (105) and the conductive contact piece support frame (103) are concave arc surfaces.
4. The plug-in circuit breaker according to claim 1, characterized in that a second spring (202) is fixedly connected between the wiper blade (201) and the inner wall of the clamping groove (2).
5. The plug-in circuit breaker according to claim 1, wherein the wiper blade (201) is made of rubber, and the lower portion of the left side surface of the wiper blade (201) is triangular.
6. The plug-in circuit breaker according to claim 1, characterized in that an LED lamp (3) is fixedly connected to the top right side of the device body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637879.8U CN212485258U (en) | 2020-08-06 | 2020-08-06 | Plug-in circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637879.8U CN212485258U (en) | 2020-08-06 | 2020-08-06 | Plug-in circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485258U true CN212485258U (en) | 2021-02-05 |
Family
ID=74453285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021637879.8U Active CN212485258U (en) | 2020-08-06 | 2020-08-06 | Plug-in circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485258U (en) |
-
2020
- 2020-08-06 CN CN202021637879.8U patent/CN212485258U/en active Active
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