CN110942960A - Protection device for circuit breaker - Google Patents
Protection device for circuit breaker Download PDFInfo
- Publication number
- CN110942960A CN110942960A CN201911113566.4A CN201911113566A CN110942960A CN 110942960 A CN110942960 A CN 110942960A CN 201911113566 A CN201911113566 A CN 201911113566A CN 110942960 A CN110942960 A CN 110942960A
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- CN
- China
- Prior art keywords
- terminal
- circuit breaker
- clamping
- buckle
- protection device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
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Abstract
The invention discloses a protection device for a circuit breaker, which comprises a circuit breaker body, wherein a terminal is arranged in the circuit breaker body; the dust cover covers the outside of the terminal to isolate the terminal from the outside, and comprises a winding mechanism which is arranged on one side of the terminal and can move relative to the circuit breaker body; the clamping mechanism is arranged on the other side of the terminal and can move relative to the breaker body; dustproof cloth, dustproof cloth one end and winding mechanism fixed connection, the other end and block mechanism joint. The problem of terminal expose in the air for a long time, easy laying dust leads to the ageing of terminal is solved.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a protection device for a circuit breaker.
Background
The circuit breaker is an important part of a distribution electrical appliance, is mainly used for an industrial low-voltage power system, and is used for connecting and disconnecting current in a power grid circuit and protecting lines and power supply equipment from damage caused by faults of overload, undervoltage, short circuit, single-phase grounding and the like.
When the existing circuit breaker is used, because most of the circuit breakers are combined and used in an electric box in parallel, the number of exposed terminals is increased, and when people operate one or more circuit breakers, the probability of electric shock caused by touching the terminals by mistake is correspondingly increased due to numerous exposed terminals; the terminal is exposed to air for a long time and is easy to accumulate dust, which causes the aging of the terminal.
Disclosure of Invention
The invention aims to provide a protection device for a circuit breaker, which solves the problem that the terminal is easy to accumulate dust and cause the aging of the terminal when the terminal is exposed in the air for a long time.
A protection device for a circuit breaker comprises
The circuit breaker comprises a circuit breaker body, wherein a terminal is arranged in the circuit breaker body;
a dust cover covering the outside of the terminal to isolate the terminal from the outside, the dust cover including
The winding mechanism is arranged on one side of the terminal and can move relative to the breaker body;
the clamping mechanism is arranged on the other side of the terminal and can move relative to the breaker body;
dustproof cloth, dustproof cloth one end and winding mechanism fixed connection, the other end and block mechanism joint.
Preferably, the winding mechanism comprises a first winding mechanism,
the winding support seat is arranged on one side of the terminal;
the winding shell is fixedly connected to the upper part of the winding supporting seat;
the connecting shaft is fixedly arranged in the winding shell;
the rotary drum is rotationally connected to the connecting shaft, and one end of the dustproof cloth is fixedly connected with the rotary drum;
and the rotary drum is connected with one end of the coil spring through the coil spring and a connecting shaft, the connecting shaft is fixedly connected with one end of the coil spring, and the other end of the coil spring is fixedly connected with the inner wall of the rotary drum.
Preferably, the engaging mechanism comprises a first engaging member,
the clamping support seat is arranged on the other side of the terminal;
the clamping shell is arranged at the upper part of the clamping support seat;
the clamping plate is clamped with the clamping shell through a buckle;
the supporting plate is arranged inside the clamping shell in a sliding mode, and the other end of the dustproof cloth is fixedly connected with the supporting plate;
the first spring is arranged between the clamping plate and the bottom of the clamping shell and used for elastically supporting the supporting plate.
Preferably, the buckle includes the kelly, the block board both ends are equipped with the recess, the kelly slides and sets up in the recess, block shell inner wall is equipped with the card hole, the kelly is connected with card hole block, the kelly passes through compression spring elastic connection with the recess.
Preferably, the clamping rod is provided with an annular protrusion protruding outwards from one end close to the compression spring, the end part of the groove is provided with an annular limiting plate protruding inwards, and the annular protrusion is connected with the annular limiting plate in a matched manner
Preferably, the clamping shell is provided with a pressing rod in a penetrating mode, the lower end of the pressing rod abuts against the clamping plate, and the end portion of the clamping rod is hemispherical.
Preferably, the dustproof cloth is insulating cloth.
The invention has the beneficial effects that: in the invention, the winding mechanism and the clamping mechanism are respectively arranged on two sides of the terminal, the winding mechanism and the clamping mechanism are connected through dustproof cloth, the terminal is covered in the terminal, the terminal dust can be effectively placed, and the terminal is isolated from the outside, so that electric shock caused by mistaken terminal touch during installation or maintenance can be effectively avoided, the winding mechanism and the clamping mechanism are adjustable relative to the circuit breaker body, the position can be adjusted according to the size of the terminal, and the circuit breaker has better adaptability.
Move rolling supporting seat and block supporting seat on the circuit breaker body, remove and fix after suitable position, stimulate the block board, the block board covers the terminal at the drive dustproof cloth, and the block board joint is isolated terminal and external on the block shell, can effectually prevent dust to avoid the mistake to bump.
When the depression bar was to the cardboard application of force, the card board downstream was pressed to the pressure, and the card pole takes place the compression this moment, and the rolling takes place for the card board under the pulling of coil spring, and dustproof cloth rolls again on the rotary drum surface, and the terminal can expose in the air, changes or inspection and maintenance.
Drawings
Fig. 1 is a top view of a protection device for a circuit breaker according to an embodiment of the present invention;
fig. 2 is a left side sectional view of a protection device for a circuit breaker according to an embodiment of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a protection device for a circuit breaker includes
The circuit breaker comprises a circuit breaker body 1, wherein a terminal is arranged in the circuit breaker body 1;
a dust cover covering the outside of the terminal to isolate the terminal from the outside, the dust cover including
The winding mechanism is arranged on one side of the terminal and can move relative to the circuit breaker body 1;
the clamping mechanism is arranged on the other side of the terminal and can move relative to the circuit breaker body 1;
In the invention, the winding mechanism and the clamping mechanism are respectively arranged on two sides of the terminal, the winding mechanism and the clamping mechanism are connected through the dustproof cloth 3, the terminal is covered in the terminal, the terminal dust can be effectively placed, and the terminal is isolated from the outside, so that electric shock caused by mistaken terminal touch during installation or maintenance can be effectively avoided, the winding mechanism and the clamping mechanism are both adjustable relative to the circuit breaker body 1, position adjustment can be carried out according to the size of the terminal, and better adaptability is realized.
The rolling-up mechanism comprises a rolling-up mechanism,
the winding support seat 5 is arranged on one side of the terminal;
the winding shell 4 is fixedly connected to the upper part of the winding support seat 5;
the connecting shaft 6 is fixedly arranged in the winding shell 4;
the rotating drum 8 is rotatably connected to the connecting shaft 6, and one end of the dustproof cloth 3 is fixedly connected with the rotating drum 8;
and the rotary drum 8 is connected with the connecting shaft 6 through the coil spring 7, one end of the coil spring 7 is fixedly connected with the connecting shaft 6, and the other end of the coil spring is fixedly connected with the inner wall of the rotary drum 8.
The clamping mechanism comprises a clamping mechanism and a clamping mechanism,
the clamping support seat 9 is arranged on the other side of the terminal, and the clamping support seat 9 is arranged on the other side of the terminal;
the clamping shell 15 is arranged on the upper part of the clamping support seat 9;
the clamping plate 13 is clamped with the clamping shell 15 through a buckle;
the supporting plate 10 is arranged inside the clamping shell 15 in a sliding mode, and the other end of the dustproof cloth 3 is fixedly connected with the supporting plate 10;
and a first spring 11, wherein the first spring 11 is arranged between the clamping plate 13 and the bottom of the clamping shell 15 and is used for elastically supporting the supporting plate 10.
Move rolling supporting seat 5 and block supporting seat 9 on circuit breaker body 1, remove and fix after suitable position, spur snap-on plate 13, snap-on plate 13 drives dustproof cloth 3 and covers the terminal, and snap-on plate 13 joint is isolated terminal and external on block shell 15, can effectually prevent dust to avoid the mistake to bump.
The buckle comprises a buckle body and a clamping piece,
The clamping shell 15 is provided with a pressure lever 14 in a penetrating way, the lower end of the pressure lever 14 is abutted against the clamping plate 13, and the end part of the clamping rod 135 is hemispherical.
When the pressure lever 14 applies force to the engaging plate 13, the engaging plate 13 is pressed to move downwards, the engaging lever 135 is compressed at the moment, the engaging plate 13 is wound under the pulling of the coil spring 7, the dustproof cloth 3 is wound on the surface of the rotary drum 8 again, and the terminal can be exposed in the air for replacement or detection and maintenance.
The dustproof cloth 3 is insulating cloth.
The specific working principle and steps are as follows: in the invention, the winding mechanism and the clamping mechanism are respectively arranged on two sides of the terminal, the winding mechanism and the clamping mechanism are connected through the dustproof cloth 3, the terminal is covered in the terminal, the terminal dust can be effectively placed, and the terminal is isolated from the outside, so that electric shock caused by mistaken terminal touch during installation or maintenance can be effectively avoided, the winding mechanism and the clamping mechanism are both adjustable relative to the circuit breaker body 1, position adjustment can be carried out according to the size of the terminal, and better adaptability is realized.
Move rolling supporting seat 5 and block supporting seat 9 on circuit breaker body 1, remove and fix after suitable position, spur snap-on plate 13, snap-on plate 13 drives dustproof cloth 3 and covers the terminal, and snap-on plate 13 joint is isolated terminal and external on block shell 15, can effectually prevent dust to avoid the mistake to bump.
When the pressure lever 14 applies force to the engaging plate 13, the engaging plate 13 is pressed to move downwards, the engaging lever 135 is compressed at the moment, the engaging plate 13 is wound under the pulling of the coil spring 7, the dustproof cloth 3 is wound on the surface of the rotary drum 8 again, and the terminal can be exposed in the air for replacement or detection and maintenance.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A protection device for a circuit breaker is characterized by comprising
The circuit breaker comprises a circuit breaker body, wherein a terminal is arranged in the circuit breaker body;
a dust cover covering the outside of the terminal to isolate the terminal from the outside, the dust cover including
The winding mechanism is arranged on one side of the terminal and can move relative to the breaker body;
the clamping mechanism is arranged on the other side of the terminal and can move relative to the breaker body;
dustproof cloth, dustproof cloth one end and winding mechanism fixed connection, the other end and block mechanism joint.
2. The protection device for circuit breaker according to claim 1, wherein said winding mechanism comprises,
the winding support seat is arranged on one side of the terminal;
the winding shell is fixedly connected to the upper part of the winding supporting seat;
the connecting shaft is fixedly arranged in the winding shell;
the rotary drum is rotationally connected to the connecting shaft, and one end of the dustproof cloth is fixedly connected with the rotary drum;
and the rotary drum is connected with one end of the coil spring through the coil spring and a connecting shaft, the connecting shaft is fixedly connected with one end of the coil spring, and the other end of the coil spring is fixedly connected with the inner wall of the rotary drum.
3. The protection device for a circuit breaker according to claim 1, wherein said engaging means comprises,
the clamping support seat is arranged on the other side of the terminal;
the clamping shell is arranged at the upper part of the clamping support seat;
the clamping plate is clamped with the clamping shell through a buckle;
the supporting plate is arranged inside the clamping shell in a sliding mode, and the other end of the dustproof cloth is fixedly connected with the supporting plate;
the first spring is arranged between the clamping plate and the bottom of the clamping shell and used for elastically supporting the supporting plate.
4. The protection device for the circuit breaker according to claim 3, wherein the buckle comprises a buckle rod, two ends of the buckle plate are provided with grooves, the buckle rod is slidably disposed in the grooves, the inner wall of the buckle housing is provided with a buckle hole, the buckle rod is connected with the buckle hole in a buckling manner, and the buckle rod is elastically connected with the grooves through a compression spring.
5. The protection device for the circuit breaker according to claim 4, wherein an annular protrusion is protruded outwards from one end of the latch rod close to the compression spring, an annular limiting plate is protruded inwards from the end of the groove, and the annular protrusion is connected with the annular limiting plate in a matching manner.
6. The protection device for the circuit breaker according to claim 3, wherein a press rod is inserted into the engaging housing, a lower end of the press rod abuts against the engaging plate, and an end of the press rod is formed in a hemispherical shape.
7. The protection device for the circuit breaker according to claim 1, wherein the dustproof cloth is an insulating cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911113566.4A CN110942960A (en) | 2019-11-14 | 2019-11-14 | Protection device for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911113566.4A CN110942960A (en) | 2019-11-14 | 2019-11-14 | Protection device for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110942960A true CN110942960A (en) | 2020-03-31 |
Family
ID=69906588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911113566.4A Pending CN110942960A (en) | 2019-11-14 | 2019-11-14 | Protection device for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110942960A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446632A (en) * | 2020-05-28 | 2020-07-24 | 郑雨萱 | Dustproof construction of block terminal instrument door |
| CN112185727A (en) * | 2020-08-27 | 2021-01-05 | 厦门恒锋力电子有限公司 | Fast turn-off switch |
| CN112466185A (en) * | 2020-09-16 | 2021-03-09 | 芜湖宏嘉科技有限公司 | Projector teaching pen |
| CN117594390A (en) * | 2024-01-12 | 2024-02-23 | 内蒙古工业大学 | Intelligent circuit breaker for solar photovoltaic power station |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511274A (en) * | 2018-04-26 | 2018-09-07 | 常开喜 | A kind of breaker easy to repair |
| CN208848833U (en) * | 2018-10-11 | 2019-05-10 | 崔银龙 | A kind of protective device of breaker |
-
2019
- 2019-11-14 CN CN201911113566.4A patent/CN110942960A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511274A (en) * | 2018-04-26 | 2018-09-07 | 常开喜 | A kind of breaker easy to repair |
| CN208848833U (en) * | 2018-10-11 | 2019-05-10 | 崔银龙 | A kind of protective device of breaker |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446632A (en) * | 2020-05-28 | 2020-07-24 | 郑雨萱 | Dustproof construction of block terminal instrument door |
| CN112185727A (en) * | 2020-08-27 | 2021-01-05 | 厦门恒锋力电子有限公司 | Fast turn-off switch |
| CN112185727B (en) * | 2020-08-27 | 2023-01-03 | 厦门恒锋力电子有限公司 | Fast turn-off switch |
| CN112466185A (en) * | 2020-09-16 | 2021-03-09 | 芜湖宏嘉科技有限公司 | Projector teaching pen |
| CN117594390A (en) * | 2024-01-12 | 2024-02-23 | 内蒙古工业大学 | Intelligent circuit breaker for solar photovoltaic power station |
| CN117594390B (en) * | 2024-01-12 | 2024-04-02 | 内蒙古工业大学 | Intelligent circuit breaker for solar photovoltaic power station |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200331 |