CN213583671U - Circuit breaker divide-shut brake indicating mechanism - Google Patents
Circuit breaker divide-shut brake indicating mechanism Download PDFInfo
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- CN213583671U CN213583671U CN202022704363.7U CN202022704363U CN213583671U CN 213583671 U CN213583671 U CN 213583671U CN 202022704363 U CN202022704363 U CN 202022704363U CN 213583671 U CN213583671 U CN 213583671U
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- push rod
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Abstract
The utility model discloses a circuit breaker divide-shut brake indicating mechanism, which comprises an outer shell, micro-gap switch, and set up the indicator in the shell, push rod and two reset spring, the indicator slides and sets up on shell upper portion, the lower extreme of indicator is equipped with a load inclined plane, be equipped with a reset spring between the side of indicator and the shell inner wall, the push rod activity sets up in the shell lower part, the upper end of push rod be equipped with one with load inclined plane linkage complex drive inclined plane, be equipped with a reset spring between the upper end of push rod and the shell, micro-gap switch sets up in the shell, be located the below of indicator, the lower extreme of indicator is contradicted on micro-gap switch's swing arm, the lower extreme of push rod is contradicted on the movable contact of circuit breaker, the action of follow-up contact promotes the indicator horizontal slip, the indicator and then touches the swing arm, realize micro-gap. The utility model has the advantages of simple and compact structure, small volume, small occupied space, stable operation and high assembly efficiency.
Description
Technical Field
The utility model relates to a circuit breaker technical field, in particular to circuit breaker divide-shut brake indicating mechanism.
Background
The circuit breaker opening and closing indicating mechanism can display the opening and closing state of the circuit breaker according to the opening and closing action of the moving contact, so that the working state of the circuit breaker can be clearly judged during line maintenance, line maintenance and line closing, and the line safety and personnel safety are guaranteed.
The partial existing circuit breaker opening and closing indicating mechanism is not compact enough in structural design, large in size, occupies the inner space of the circuit breaker, leads to the large size of the circuit breaker, and also enables the power distribution cabinet and the electric meter box for installing the circuit breaker to need larger space.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a compact structure, it is small, save circuit breaker inner space, circuit breaker divide-shut brake indicating mechanism that assembly efficiency is high.
In order to achieve the above purpose, the utility model provides a technical scheme does:
a circuit breaker opening and closing indicating mechanism comprises a shell, a microswitch, an indicating piece, a push rod and two reset springs, wherein the indicating piece, the push rod and the two reset springs are arranged in the shell, the upper end of the indicating piece extends out of a groove formed in the top of the shell and can transversely move in the groove, the lower end of the indicating piece is provided with a force bearing inclined plane, one reset spring is arranged between the side edge of the indicating piece and the inner wall of the shell, the lower end of the push rod extends out of a limit hole formed in the bottom surface of the shell and can vertically move in the limit hole, the upper end of the push rod is provided with a driving inclined plane in linkage fit with the force bearing inclined plane, one reset spring is arranged between the upper end of the push rod and the shell, the microswitch is arranged in the shell and positioned below the indicating piece, and the lower end of the indicating piece is abutted against a movable arm of, the lower end of the push rod is abutted against a moving contact of the circuit breaker, the indicating piece is pushed to transversely slide left and right along with the action of the moving contact, and then the indicating piece touches the movable arm, so that the micro switch is opened and closed.
Preferably, the lower end of the indicating piece is provided with a sliding groove, and the micro switch is arranged in the sliding groove.
Preferably, at least one limiting step is formed on the inner wall of the sliding groove, the limiting step is attached to the upper surface of the shell of the micro switch, and the bottom of the sliding groove abuts against the movable arm of the micro switch. The sliding groove enables the indicating piece and the micro switch to be compactly matched, and occupied space of the micro switch is further reduced.
Preferably, the housing comprises a first indicator housing and a second indicator housing, which are detachably connected.
Preferably, the inner walls of the first indication shell and the second indication shell are respectively provided with a limit boss, the limit boss of the first indication shell is provided with a plurality of positioning columns matched with the mounting holes of the micro switch, the positioning columns are inserted into the mounting holes, and under the action of the positioning columns and the limit bosses, the micro switch is limited between the first indication shell and the second indication shell. The limiting boss and the positioning column are arranged to fix the micro switch, and meanwhile, the detachable fixing structure is convenient for assembling and disassembling the micro switch.
Preferably, two side walls of the first indication shell and the second indication shell are respectively provided with a sliding guide groove, the indication piece is provided with two convex blocks matched with the sliding guide grooves, and the convex blocks slide in the sliding guide grooves along with the left and right transverse movement of the indication piece. The convex block and the sliding guide groove ensure the sliding stability of the indicating piece, so that the working stability of the opening and closing indicating mechanism is improved, and the indicating reliability of the opening and closing indicating mechanism is improved.
Preferably, one side of the indicating piece and the upper end of the push rod are provided with grooves for accommodating the return spring, and the other side of the indicating piece is provided with an avoiding groove for avoiding the return spring at the upper end of the push rod. Through the improvement to indicator and push rod structure, give away partial space and give the spring, can further reduce the volume of shell, compact the space that each part occupied in its inside.
Preferably, an opening mark and a closing mark are respectively arranged on the upper end surface of the indicator.
The utility model has the advantages that:
the utility model discloses a micro-gap switch sets up in the shell, and it has both realized divide-shut brake indicating mechanism's instruction function with the compact laminating of indicator, has reduced divide-shut brake indicating mechanism's volume again.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 4 is a schematic perspective view of an indicator according to an embodiment of the present invention.
Wherein: 1. the mechanical hand comprises a shell, 101, a first indication shell, 102, a second indication shell, 103, a limiting boss, 104, a positioning column, 105, a sliding guide groove, 106, a slot, 107, a limiting hole, 2, a microswitch, 201, a movable arm, 202, an installation hole, 3, an indication piece, 301, a sliding groove, 302, a limiting step, 303, a sliding block, 304, a force bearing inclined plane, 305, a avoiding groove, 4, a push rod, 401, a driving inclined plane and 5, a reset spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-4, the utility model discloses a circuit breaker divide-shut brake indicating mechanism includes shell 1, micro-gap switch 2 and sets up indicator 3, push rod 4 and two reset spring 5 in shell 1. The upper end of the indicator 3 extends out of the slot 106 formed in the top of the shell 1 and can move transversely in the slot 106, the lower end of the indicator 3 is provided with a bearing inclined plane 304, and a return spring 5 is arranged between the side edge of the indicator 3 and the inner wall of the shell 1. The lower end of the push rod 4 extends out of a limiting hole 107 formed in the bottom surface of the shell 1 and can move up and down in the limiting hole 107, the upper end of the push rod 4 is provided with a driving inclined plane 401 which is in linkage fit with the force bearing inclined plane 304, and a reset spring 5 is arranged between the upper end of the push rod 4 and the shell 1. The micro switch 2 is arranged in the shell 1 and is positioned below the indicating piece 3, the lower end of the indicating piece 3 is abutted against the movable arm 201 of the micro switch 2, the lower end of the push rod 4 is abutted against the movable contact of the circuit breaker, the indicating piece 3 is pushed to transversely slide left and right along with the action of the movable contact, and the indicating piece 3 further touches the movable arm 201 to realize the opening and closing of the micro switch 2. The microswitch 2 is arranged in the shell 1, the vacant space in the shell 1 is fully utilized, the indicating function of the opening and closing indicating mechanism is realized, the volume of the opening and closing indicating mechanism is smaller, and the occupied space is less when the microswitch is installed in the opening and closing mechanism.
In this embodiment, the lower end of indicator 3 is equipped with a spout 301, micro-gap switch 2 arranges in spout 301, be formed with at least one spacing step 302 on the spout 301 inner wall, spacing step 302 and micro-gap switch 2's shell 1's upper surface laminating, the bottom of spout 301 is contradicted on micro-gap switch 2's swing arm 201, micro-gap switch 2 is built-in spout 301, make indicator 3 and micro-gap switch 2's structure compacter, further reduce whole divide-shut brake indicating mechanism's inner space, make divide-shut brake indicating mechanism's volume littleer.
In order to facilitate the assembly of the switching indication mechanism, the housing 1 includes a first indication shell 101 and a second indication shell 102, which are detachably connected. In this embodiment, the two are connected by a snap-fit connection, but of course, they can also be connected by a fastener such as a screw.
In this embodiment, in order to improve stability, the assembly efficiency of divide-shut brake indicating mechanism work, be convenient for its dismantlement maintenance, fix micro-gap switch 2 detachably in shell 1 to guarantee its and shell 1 compact connection. Specifically, the inner walls of the first indication shell 101 and the second indication shell 102 are respectively provided with a limit boss 103, the limit boss 103 of the first indication shell 101 is provided with a plurality of positioning columns 104 matched with the mounting holes 202 of the micro switch 2, the positioning columns 104 are inserted into the mounting holes 202, and under the action of the positioning columns 104 and the limit bosses 103, the micro switch 2 is limited between the first indication shell 101 and the second indication shell 102.
In this embodiment, two side walls of the first indication shell 101 and the second indication shell 102 are respectively provided with a sliding guide slot 105, the indication member 3 is provided with two protrusions 303 matching with the sliding guide slots 105, and the protrusions 303 slide in the sliding guide slots 105 along with the left and right transverse movement of the indication member 3. The reliable sliding of indicator 3 in shell 1 can be guaranteed, and the reliability of divide-shut brake indicating mechanism work is improved.
In this embodiment, a groove for accommodating the return spring 5 is formed in one side of the indicator 3 and the upper end of the push rod 4, and an avoidance groove 305 for avoiding the return spring 5 in the upper end of the push rod 4 is formed in the other side of the indicator 3. Because the indicator 3 and the push rod 4 have certain volumes, the interior of the indicator 3 and the push rod 4 are generally solid structures, and the grooves for accommodating the return spring 5 and the avoiding grooves 305 are formed in the indicator and the push rod, the structure of the indicator and the push rod is not damaged, the combination of the indicator and the push rod is more compact, and the space occupied by the return spring 5 except the indicator 3 and the push rod 4 is further reduced.
In this embodiment, the upper end surface of the indicator 3 is provided with a switching-off mark and a switching-on mark, respectively.
The utility model discloses an divide-shut brake indicating mechanism's theory of operation is: the opening and closing indicating mechanism works, a moving contact of the circuit breaker pushes a push rod 4 to move upwards, the push rod 4 pushes an indicating piece 3 to slide in a shell 1, two reset springs 5 are compressed, an opening and closing indicating hole of the shell of the circuit breaker displays an opening indicating mark, the indicating piece 3 touches a movable arm 201, a microswitch 2 is switched on, and the microswitch 2 feeds an opening signal back to a circuit board of the circuit breaker electrically connected with the microswitch 2. When the moving contact of the circuit breaker moves downwards, the push rod 4 loses thrust, the elastic force accumulated by the reset spring 5 is released, the push plate and the indicating piece 3 are reset, a closing indicating mark is displayed at a closing and opening indicating hole of the shell of the circuit breaker, the indicating piece 3 is far away from the movable arm 201, the micro switch 2 is switched off, and a closing signal is fed back to a circuit board of the circuit breaker by the micro switch 2.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a circuit breaker divide-shut brake indicating mechanism which characterized in that: the upper end of the indicating piece extends out of a groove formed in the top of the shell and can transversely move in the groove, the lower end of the indicating piece is provided with a bearing inclined plane, the reset spring is arranged between the side edge of the indicating piece and the inner wall of the shell, the lower end of the push rod extends out of a limiting hole formed in the bottom surface of the shell and can move up and down in the limiting hole, the upper end of the push rod is provided with a driving inclined plane in linkage fit with the bearing inclined plane, the reset spring is arranged between the upper end of the push rod and the shell, the microswitch is arranged in the shell and positioned below the indicating piece, the lower end of the indicating piece abuts against a movable arm of the microswitch, and the lower end of the push rod abuts against a movable contact of the circuit breaker, the moving contact is arranged on the movable arm, and the moving contact is arranged on the movable arm.
2. The circuit breaker opening and closing indication mechanism according to claim 1, characterized in that: the lower end of the indicating piece is provided with a sliding groove, and the micro switch is arranged in the sliding groove.
3. The circuit breaker opening and closing indication mechanism according to claim 2, characterized in that: at least one limiting step is formed on the inner wall of the sliding groove, the limiting step is attached to the upper surface of the shell of the micro switch, and the bottom of the sliding groove abuts against the movable arm of the micro switch.
4. The circuit breaker opening and closing indication mechanism according to any one of claims 1 to 3, characterized in that: the shell comprises a first indicating shell and a second indicating shell which are detachably connected.
5. The circuit breaker opening and closing indication mechanism according to claim 4, wherein: the inner walls of the first indication shell and the second indication shell are respectively provided with a limiting boss, the limiting boss of the first indication shell is provided with a plurality of positioning columns matched with the mounting holes of the micro switch, the positioning columns are inserted into the mounting holes, and under the action of the positioning columns and the limiting bosses, the micro switch is limited between the first indication shell and the second indication shell.
6. The circuit breaker opening and closing indication mechanism according to claim 5, wherein: the two side walls of the first indication shell and the second indication shell are respectively provided with a sliding guide groove, the indication piece is provided with two convex blocks matched with the sliding guide grooves, and the convex blocks move along with the left and right sides of the indication piece to slide in the sliding guide grooves.
7. The circuit breaker opening and closing indication mechanism according to claim 1, characterized in that: one side of the indicating piece and the upper end of the push rod are provided with grooves for accommodating the reset springs, and the other side of the indicating piece is provided with an avoiding groove for avoiding the reset springs at the upper ends of the push rods.
8. The circuit breaker opening and closing indication mechanism according to claim 1, characterized in that: and the upper end surface of the indicating piece is respectively provided with a switching-off mark and a switching-on mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704363.7U CN213583671U (en) | 2020-11-20 | 2020-11-20 | Circuit breaker divide-shut brake indicating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704363.7U CN213583671U (en) | 2020-11-20 | 2020-11-20 | Circuit breaker divide-shut brake indicating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213583671U true CN213583671U (en) | 2021-06-29 |
Family
ID=76539724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022704363.7U Active CN213583671U (en) | 2020-11-20 | 2020-11-20 | Circuit breaker divide-shut brake indicating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213583671U (en) |
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2020
- 2020-11-20 CN CN202022704363.7U patent/CN213583671U/en active Active
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