CN215527629U - Durable type moulded case circuit breaker convenient to overhaul - Google Patents
Durable type moulded case circuit breaker convenient to overhaul Download PDFInfo
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- CN215527629U CN215527629U CN202122059112.2U CN202122059112U CN215527629U CN 215527629 U CN215527629 U CN 215527629U CN 202122059112 U CN202122059112 U CN 202122059112U CN 215527629 U CN215527629 U CN 215527629U
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Abstract
The utility model discloses a durable plastic shell circuit breaker convenient to overhaul, and relates to the field of plastic shell circuit breakers. In the utility model, after long-time use, when the inside of the molded case circuit breaker needs to be overhauled and maintained, a worker holds the arc-shaped holding grooves on the two sides and pulls the holding grooves outwards to drive the L-shaped movable pull rod to move, the L-shaped movable pull rod moves to drive the positioning block to move and separate from the positioning groove, the front case of the circuit breaker is pulled outwards to draw out the positioning column and the mounting block from the guide groove and the mounting groove, so that the rear case of the circuit breaker and the front case of the circuit breaker can be separated, the molded case circuit breaker can be conveniently overhauled by the worker, the disassembly process is convenient, and the quick maintenance and assembly of the worker are convenient.
Description
Technical Field
The utility model relates to the technical field of molded case circuit breakers, in particular to a durable molded case circuit breaker convenient to overhaul.
Background
The molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Plastic housing refers to the use of plastic insulators as the outer housing of the device to isolate the conductors from each other and from the grounded metal parts. Molded case circuit breakers typically contain a thermo-magnetic trip unit, while large molded case circuit breakers are equipped with a solid state trip sensor.
Current moulded case circuit breaker when using, it is inconvenient to dispel the heat, causes inside high temperature, has reduced moulded case circuit breaker's life, current moulded case circuit breaker when using, and the back is connected with the back seat to preceding shell, adopts the fixed mode of bolt mostly, can be corroded for a long time, dismantles inconveniently when maintaining its inside maintenance, has increased to dismantle consuming time of maintenance, consequently needs a durable type moulded case circuit breaker convenient to overhaul to satisfy people's demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a durable plastic shell circuit breaker convenient to overhaul, and aims to solve the problems that when the existing plastic shell circuit breaker is used, the heat dissipation is inconvenient, the internal temperature is overhigh, the service life of the plastic shell circuit breaker is shortened, and when the existing plastic shell circuit breaker is used, after a front shell and a rear seat are connected, most of the existing plastic shell circuit breaker adopts a bolt fixing mode, the existing plastic shell circuit breaker can be corroded for a long time, and when the internal circuit breaker is overhauled and maintained, the disassembly is inconvenient, and the time consumption of disassembly and maintenance is increased.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shell circuit breaker is moulded to durable type convenient to overhaul, shell before circuit breaker backshell and circuit breaker, one side of shell is equipped with the wiring groove before the circuit breaker, all seted up the louvre on the both sides inner wall of shell before the circuit breaker, all installed the dust screen in two louvres, two guide ways and a mounting groove have been seted up to one side of circuit breaker backshell, and one side fixed mounting of shell has two reference columns and an installation piece before the circuit breaker, and two reference columns extend to respectively in two guide ways, and the installation piece card is in the mounting groove, the movable groove has all been seted up to the both sides of circuit breaker backshell, and movable mounting has L type activity pull rod in the movable groove, and the one end fixed mounting of L type activity pull rod has the locating piece, two locating pieces respectively with the both sides looks adaptation of shell before the circuit breaker.
Preferably, the locating grooves are formed in the two sides of the front shell of the circuit breaker, and the two locating blocks are clamped in the two locating grooves respectively.
Preferably, a limiting groove is formed in the inner wall of one side of the movable groove, a limiting block is fixedly mounted on one side of the L-shaped movable pull rod, and one side of the limiting block is slidably mounted in the limiting groove.
Preferably, the two sides of the L-shaped movable pull rod are both provided with arc-shaped holding grooves, and the two arc-shaped holding grooves are symmetrically arranged.
Preferably, the fixed plates are fixedly mounted on two sides of the rear shell of the circuit breaker, and the fixed holes are formed in one side of each of the two fixed plates.
Preferably, one side of the front shell of the circuit breaker is provided with a control switch and a status indicator lamp, and the control switch is positioned in the middle of one side of the front shell of the circuit breaker.
Preferably, one end of the L-shaped movable pull rod is fixedly provided with one end of a return spring, and the other end of the return spring is fixedly arranged on the inner wall of one side of the movable groove.
The utility model has the beneficial effects that:
according to the utility model, by utilizing the design of the L-shaped movable clamping rod and the positioning block, when the molded case circuit breaker needs to be overhauled and maintained after being used for a long time, a worker holds the arc-shaped holding grooves on the two sides and pulls the holding grooves outwards to drive the L-shaped movable pull rod to move, the L-shaped movable pull rod moves to drive the positioning block to move and break away from the positioning groove, the front case of the circuit breaker is pulled outwards, the positioning column and the mounting block are pulled out from the guide groove and the mounting groove, the rear case of the circuit breaker and the front case of the circuit breaker can be separated, the molded case circuit breaker can be conveniently overhauled by the worker, the dismounting process is convenient, and the quick maintenance and assembly of the worker are convenient;
according to the utility model, by utilizing the design of the heat dissipation holes, the heat dissipation holes are formed in the two sides of the front shell of the circuit breaker, and the two heat dissipation holes can quickly dissipate heat in the molded case circuit breaker, so that the temperature in the molded case circuit breaker can be reduced, the service life of the molded case circuit breaker can be prolonged, the molded case circuit breaker can be more durable, and the dust screen can effectively block external dust.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a durable plastic case circuit breaker convenient for maintenance according to the present invention;
fig. 2 is a schematic sectional structural view of a durable plastic case circuit breaker for easy maintenance according to the present invention;
fig. 3 is a schematic structural diagram of explosion of a durable plastic case circuit breaker convenient for maintenance according to the present invention;
fig. 4 is a schematic structural view of a portion a of fig. 2 of a durable plastic case circuit breaker for easy maintenance according to the present invention.
In the figure: 1. a circuit breaker rear housing; 2. a circuit breaker front housing; 3. a control switch; 4. a wiring slot; 5. a status indicator light; 6. heat dissipation holes; 7. a dust screen; 8. a guide groove; 9. a positioning column; 10. mounting grooves; 11. mounting blocks; 12. a movable groove; 13. an L-shaped movable pull rod; 14. a return spring; 15. a limiting groove; 16. a limiting block; 17. positioning blocks; 18. a guide groove; 19. a fixing plate; 20. a fixing hole; 21. the groove is held to the arc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a durable type moulded case circuit breaker convenient to overhaul, shell 2 before including circuit breaker backshell 1 and the circuit breaker, one side of shell 2 is equipped with wiring groove 4 before the circuit breaker, all seted up louvre 6 on the both sides inner wall of shell 2 before the circuit breaker, all install dust screen 7 in two louvres 6, two guide ways 8 and a mounting groove 10 have been seted up to one side of circuit breaker backshell 1, one side fixed mounting of shell 2 has two reference columns 9 and an installation piece 11 before the circuit breaker, two reference columns 9 extend to respectively in two guide ways 8, installation piece 11 card is in mounting groove 10, movable groove 12 has all been seted up to the both sides of circuit breaker backshell 1, movable mounting has L type activity pull rod 13 in movable groove 12, the one end fixed mounting of L type activity pull rod 13 has locating piece 17, two locating pieces 17 respectively with the both sides looks adaptation of shell 2 before the circuit breaker.
In the utility model, the positioning grooves 18 are respectively formed in the two sides of the front shell 2 of the circuit breaker, and the two positioning blocks 17 are respectively clamped in the two positioning grooves 18, so that the rear shell 1 of the circuit breaker can be fixedly connected with the front shell 2 of the circuit breaker.
In the utility model, a limiting groove 15 is formed on the inner wall of one side of the movable groove 12, a limiting block 16 is fixedly arranged on one side of the L-shaped movable pull rod 13, one side of the limiting block 16 is slidably arranged in the limiting groove 15, and the limiting block 16 and the limiting groove 15 are arranged to limit the movement of the L-shaped movable pull rod 13.
In the utility model, the two sides of the L-shaped movable pull rod 13 are both provided with the arc-shaped holding grooves 21, and the two arc-shaped holding grooves 21 are symmetrically arranged, so that a worker can conveniently hold the L-shaped movable pull rod 13 and pull the L-shaped movable pull rod outwards.
In the utility model, the fixed plates 19 are fixedly arranged on both sides of the rear shell 1 of the circuit breaker, the fixed holes 20 are formed in one sides of the two fixed plates 19, and the plastic shell circuit breaker can be conveniently installed by arranging the fixed plates 19.
In the utility model, one side of the front shell 2 of the circuit breaker is provided with the control switch 3 and the status indicator lamp 5, the control switch 3 is positioned in the middle position of one side of the front shell 2 of the circuit breaker, the control switch 3 can control the operation of the molded case circuit breaker, and the status indicator lamp 5 can display the use state of the molded case circuit breaker.
In the utility model, one end of the L-shaped movable pull rod 13 is fixedly provided with one end of the return spring 14, the other end of the return spring 14 is fixedly arranged on the inner wall of one side of the movable groove 12, and the L-shaped movable pull rod 13 can be reset under the elastic force action of the return spring 14 after moving.
This practical theory of operation:
in the utility model, the molded case circuit breaker is assembled by a circuit breaker rear case 1 and a circuit breaker front case 2, heat dissipation holes 6 are respectively arranged on two sides of the circuit breaker front case 2, the two heat dissipation holes 6 are arranged to quickly dissipate heat in the molded case circuit breaker, so that the temperature in the molded case circuit breaker can be reduced, the service life of the molded case circuit breaker can be prolonged, the molded case circuit breaker can be more durable, the dust screen 7 is arranged to effectively block external dust, when the molded case circuit breaker needs to be overhauled after being used for a long time, a worker holds the arc-shaped holding grooves 21 on two sides and pulls the arc-shaped holding grooves outwards to drive the L-shaped movable pull rod 13 to move, the L-shaped movable pull rod 13 moves to drive the limiting block 16 to slide in the limiting groove 15 and stretches the reset spring 14, and the limiting block 16 and the limiting groove 15 are arranged to limit the movement of the L-shaped movable pull rod 13, l type movable pull rod 13 removes and drives locating piece 17 and removes to break away from out constant head tank 18, casing 2 before the outside pulling circuit breaker, take reference column 9 and installation piece 11 out from guide way 8 and mounting groove 10, just can part casing 2 before circuit breaker backshell 1 and the circuit breaker, the staff of being convenient for overhauls moulded case circuit breaker, it is comparatively convenient at the in-process of demolising, the staff fast maintenance and the equipment of being convenient for, convenient to use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a shell circuit breaker is moulded to durable type convenient to overhaul, shell (2) before shell (1) and the circuit breaker behind the circuit breaker, one side of shell (2) is equipped with wiring groove (4), its characterized in that before the circuit breaker: louvre (6) have all been seted up on the both sides inner wall of casing (2) before the circuit breaker, all install dust screen (7) in two louvres (6), two guide ways (8) and one mounting groove (10) have been seted up to one side of circuit breaker backshell (1), and one side fixed mounting of casing (2) before the circuit breaker has two reference columns (9) and an installation piece (11), and two reference columns (9) extend to respectively in two guide ways (8), and installation piece (11) card is in mounting groove (10), movable groove (12) have all been seted up to the both sides of circuit breaker backshell (1), and movable mounting has L type activity pull rod (13) in movable groove (12), and the one end fixed mounting of L type activity pull rod (13) has locating piece (17), two locating pieces (17) respectively with the both sides looks adaptation of casing (2) before the circuit breaker.
2. A durable plastic case circuit breaker facilitating service as claimed in claim 1, wherein: locating grooves (18) are formed in the two sides of the front shell (2) of the circuit breaker, and two locating blocks (17) are clamped in the two locating grooves (18) respectively.
3. A durable plastic case circuit breaker facilitating service as claimed in claim 1, wherein: a limiting groove (15) is formed in the inner wall of one side of the movable groove (12), a limiting block (16) is fixedly mounted on one side of the L-shaped movable pull rod (13), and one side of the limiting block (16) is slidably mounted in the limiting groove (15).
4. A durable plastic case circuit breaker facilitating service as claimed in claim 1, wherein: the two sides of the L-shaped movable pull rod (13) are both provided with arc-shaped hand holding grooves (21), and the two arc-shaped hand holding grooves (21) are symmetrically arranged.
5. A durable plastic case circuit breaker facilitating service as claimed in claim 1, wherein: the circuit breaker rear shell (1) is characterized in that fixing plates (19) are fixedly mounted on two sides of the circuit breaker rear shell (1), and fixing holes (20) are formed in one sides of the two fixing plates (19).
6. A durable plastic case circuit breaker facilitating service as claimed in claim 1, wherein: one side of shell (2) is equipped with control switch (3) and status indicator lamp (5) before the circuit breaker, and control switch (3) are located the one side intermediate position of shell (2) before the circuit breaker.
7. A durable plastic case circuit breaker facilitating service as claimed in claim 1, wherein: one end of the L-shaped movable pull rod (13) is fixedly provided with one end of a return spring (14), and the other end of the return spring (14) is fixedly arranged on the inner wall of one side of the movable groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122059112.2U CN215527629U (en) | 2021-08-30 | 2021-08-30 | Durable type moulded case circuit breaker convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122059112.2U CN215527629U (en) | 2021-08-30 | 2021-08-30 | Durable type moulded case circuit breaker convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215527629U true CN215527629U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122059112.2U Active CN215527629U (en) | 2021-08-30 | 2021-08-30 | Durable type moulded case circuit breaker convenient to overhaul |
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| CN (1) | CN215527629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114613646A (en) * | 2022-03-10 | 2022-06-10 | 重庆白泽环境工程有限公司 | Moulded case circuit breaker with quick mounting structure |
-
2021
- 2021-08-30 CN CN202122059112.2U patent/CN215527629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114613646A (en) * | 2022-03-10 | 2022-06-10 | 重庆白泽环境工程有限公司 | Moulded case circuit breaker with quick mounting structure |
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