CN216928424U

CN216928424U - Quick assembly disassembly circuit breaker

Info

Publication number: CN216928424U
Application number: CN202220524156.XU
Authority: CN
Inventors: 王磊胜
Original assignee: Dongrun Hengyuan Shenzhen Technology Co ltd
Current assignee: Dongrun Hengyuan Shenzhen Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-08
Anticipated expiration: 2032-03-11

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a quick-dismounting circuit breaker, wherein a shell is fixed on one side of a circuit breaker body, two guide rods are symmetrically fixed on one side of the inner part of the shell at two ends, sliding rods extending to the outer part of the shell are connected to the outer sides of the two guide rods in a sliding manner, L-shaped connecting rods are inserted into one ends of the two sliding rods in a sliding manner, clamping blocks are fixed to one ends of the two L-shaped connecting rods, clamping springs sleeved on the outer sides of the guide rods are connected to one sides of the two sliding rods, and a gear is rotatably connected to the inner side of the shell at the middle section. The rack-type quick-dismounting device is novel in design, the rack drives the gear to rotate, so that the two sliding rods are driven to move reversely, the sliding rods drive the two clamping blocks to move reversely, quick dismounting can be realized, dismounting difficulty is reduced, dismounting efficiency is improved, fixing reliability is high, and the rack-type quick-dismounting device is not easy to fall off.

Description

Quick assembly disassembly circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker capable of being quickly disassembled and assembled.

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 within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to its use range.

According to the patent application number: CN202022998141.0 discloses a circuit breaker, this technical scheme has effectively improved the operation convenience of circuit breaker, however, this utility model does not have the fixed establishment that can quick assembly disassembly, in the maintenance of electric cabinet installation and debugging and later stage, can not simply carry out the dismouting to the circuit breaker fast, increased the dismouting degree of difficulty to reduced the efficiency of construction, this utility model's a circuit breaker does not have buffer structure in addition between with the installation guide rail, when the electric cabinet transportation was removed, vibrations can be transmitted to the circuit breaker through the installation guide rail, increased the risk that the circuit breaker damaged. Accordingly, those skilled in the art have provided a quick-disconnect circuit breaker to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick-dismounting circuit breaker to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a quick-dismounting circuit breaker comprises a circuit breaker body, wherein a shell is fixed on one side of the circuit breaker body, two guide rods are symmetrically fixed at positions, located at two ends, of one side of the inside of the shell, the outer sides of the two guide rods are respectively and slidably connected with a sliding rod extending to the outside of the shell, one end of each of the two sliding rods is respectively and slidably inserted with an L-shaped connecting rod, one end of each of the two L-shaped connecting rods is respectively fixed with a clamping block, one side of each of the two sliding rods is respectively connected with a clamping spring sleeved on the outer side of the guide rod, the inner side of the shell is rotatably connected with a gear at a middle section, one end of the gear is symmetrically and rotatably connected with two gear connecting rods at positions, located at two side edges, one end of each of the two gear connecting rods is rotatably connected with a fixed rod, one end of each of the two fixed rods is respectively fixed with one end of the two sliding rods, a rack is slidably inserted at a position, located at one side of the gear, of the inside of the shell, the rack is meshed with the gear through teeth.

As a still further scheme of the utility model: the locating slot has all been seted up to one side of two the grip block, the both sides of locating slot all symmetry are provided with two direction inclined planes.

As a still further scheme of the utility model: and one end of the outer side of the rack is slidably sleeved with a supporting block, and one end of the supporting block is fixed with the inner side of the shell.

As a still further scheme of the utility model: one end of the rack is fixed with a limiting plate, and the other end of the rack is fixed with a pressing plate positioned outside the shell.

As a still further scheme of the utility model: the other ends of the two L-shaped connecting rods are connected with buffer springs, and one ends of the two buffer springs are connected with one ends of the inner sides of the two sliding rods respectively.

As a still further scheme of the utility model: the outside one side of casing is fixed with first compoboard, one side of first compoboard is located both ends position department symmetry and is fixed with two combination bumps, the outside opposite side of casing is fixed with second compoboard, the inside of second compoboard corresponds the position department of two combination bumps and has all seted up the combination hole.

Compared with the prior art, the utility model has the beneficial effects that: the circuit breaker is novel in design, the gear is driven to rotate through the rack, so that the two sliding rods are driven to move reversely, the two clamping blocks are driven to move reversely through the sliding rods, rapid disassembly and assembly can be achieved, the disassembly and assembly difficulty is reduced, the disassembly and assembly efficiency is improved, the fixing reliability is high, the circuit breaker is not prone to falling off, the L-shaped connecting rod is elastically connected with the sliding rods through the buffer springs, when the electric cabinet moves, vibration can be reduced and is transmitted to the sliding rods through the L-shaped connecting rod, and therefore the circuit breaker body is prevented from being damaged by vibration.

Drawings

FIG. 1 is a schematic diagram of a quick disconnect circuit breaker;

fig. 2 is a rear view of a quick disconnect circuit breaker;

fig. 3 is a schematic structural view of the inside of a housing in a quick-disconnect circuit breaker;

fig. 4 is a schematic structural view of the inside of a sliding rod in a quick disconnect circuit breaker.

In the figure: 1. a circuit breaker body; 2. a housing; 3. a guide bar; 4. a slide bar; 5. an L-shaped connecting rod; 6. a clamping block; 7. a clamping spring; 8. a gear; 9. a gear link; 10. fixing the rod; 11. a rack; 12. positioning a groove; 13. a guide slope; 14. a support block; 15. a limiting plate; 16. pressing a plate; 17. a buffer spring; 18. a first composite board; 19. combining the salient points; 20. a second composite board; 21. and (6) combining the holes.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a quick-assembly/disassembly circuit breaker includes a circuit breaker body 1, a housing 2 is fixed to one side of the circuit breaker body 1, two guide rods 3 are symmetrically fixed to one side of the interior of the housing 2 at two ends, sliding rods 4 extending to the exterior of the housing 2 are slidably connected to the outer sides of the two guide rods 3, L-shaped connecting rods 5 are slidably inserted into one ends of the two sliding rods 4, clamping blocks 6 are fixed to one ends of the two L-shaped connecting rods 5, clamping springs 7 sleeved on the outer sides of the guide rods 3 are connected to one sides of the two sliding rods 4, a gear 8 is rotatably connected to the middle portion of the interior of the housing 2, two gear connecting rods 9 are rotatably connected to one ends of the gear 8 at two side edges, a fixing rod 10 is rotatably connected to one end of each gear connecting rod 9, one end of each fixing rod 10 is respectively fixed to one end of each sliding rod 4, a rack 11 is slidably inserted into the housing 2 at a position on one side of the gear 8, and the rack 11 is engaged with the gear 8 through teeth.

In fig. 3: the constant head tank 12 has all been seted up to one side of two grip blocks 6, and the both sides of constant head tank 12 are all the symmetry and are provided with two direction inclined planes 13, and direction inclined plane 13 makes things convenient for the installation guide rail to slide in the inboard of constant head tank 12.

In fig. 3: one end of the outer side of the rack 11 is slidably sleeved with a supporting block 14, one end of the supporting block 14 is fixed with the inner side of the shell 2, and the supporting block 14 is used for supporting one end of the rack 11.

In fig. 3: one end of the rack 11 is fixed with a limiting plate 15, the other end of the rack 11 is fixed with a pressing plate 16 located outside the shell 2, the limiting plate 15 limits the rack 11, and the pressing plate 16 is used for pushing the rack 11 to move.

In fig. 4: the other end of two L shape connecting rods 5 all is connected with buffer spring 17, and the one end of two buffer spring 17 is connected with the inboard one end of two slide bar 4 respectively, makes L shape connecting rod 5 and slide bar 4 elastic connection through buffer spring 17, when the electricity cabinet removed, can reduce vibrations and pass through L shape connecting rod 5 and transmit to slide bar 4 to prevent vibrations and damage circuit breaker body 1.

In fig. 1 and 2: the outside one side of casing 2 is fixed with first combination board 18, and one side of first combination board 18 is located both ends position department symmetry and is fixed with two combination bumps 19, and the outside opposite side of casing 2 is fixed with second combination board 20, and combination hole 21 has all been seted up to the inside position department that corresponds two combination bumps 19 of second combination board 20, and combination bump 19 and the inboard looks adaptation of combination hole 21 make up two adjacent circuit breakers during easy to assemble.

The working principle of the utility model is as follows: when the device is installed, a pressing plate 16 is pressed towards the inside of a shell 2, the pressing plate 16 drives a rack 11 to move upwards, the rack 11 moves upwards to drive a gear 8 to rotate clockwise through tooth meshing, the gear 8 drives two gear connecting rods 9 to rotate, the two gear connecting rods 9 rotate to respectively drive two fixing rods 10 to move in opposite directions towards two ends, the two fixing rods 10 respectively drive two sliding rods 4 to move in opposite directions, the two sliding rods 4 respectively compress two clamping springs 7, the two sliding rods 4 respectively drive two L-shaped connecting rods 5 and two clamping blocks 6 to move in opposite directions to separate the two clamping blocks 6, then the two clamping blocks 6 are respectively arranged at two sides of an installation guide rail to enable two positioning grooves 12 to be aligned with the guide rail, then the pressing plate 16 is loosened, the two clamping springs 7 release elasticity to respectively push the two sliding rods 4 to move towards the middle section position, the two sliding rods 4 can drive the two clamping blocks 6 to move towards the middle section position, the constant head tank 12 card of 6 one ends of two grip blocks is in the both sides of installation guide rail to can fix the circuit breaker on the installation guide rail, and easy operation can realize quick assembly disassembly, has reduced the dismouting degree of difficulty, has improved dismouting efficiency, and fixed reliability is high, and is difficult for droing, make L

shape connecting rod

5 and 4 elastic connection of slide bar through buffer spring 17, when the electricity cabinet removes, can reduce vibrations and pass through L shape connecting rod 5 transmission to slide bar 4, thereby prevent vibrations and damage circuit breaker body 1.

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 scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The quick-dismounting circuit breaker comprises a circuit breaker body (1) and is characterized in that a shell (2) is fixed on one side of the circuit breaker body (1), two guide rods (3) are symmetrically fixed on one side of the inside of the shell (2) at two ends, the outer side of each guide rod (3) is connected with a sliding rod (4) extending to the outside of the shell (2) in a sliding manner, one end of each sliding rod (4) is inserted with an L-shaped connecting rod (5) in a sliding manner, one end of each L-shaped connecting rod (5) is fixed with a clamping block (6), one side of each sliding rod (4) is connected with a clamping spring (7) sleeved on the outer side of each guide rod (3), the inner side of the shell (2) is located at a middle section position and is rotatably connected with a gear (8), one end of the gear (8) is located at two sides at edge positions and is symmetrically rotatably connected with two gear connecting rods (9), two the one end of gear connecting rod (9) all rotates and is connected with dead lever (10), two the one end of dead lever (10) is fixed with the one end of two slide bars (4) respectively, the inside of casing (2) is located gear (8) one side position department and slides and inserts and be equipped with rack (11), rack (11) pass through tooth and gear (8) meshing.

2. The quick release circuit breaker according to claim 1, wherein a positioning groove (12) is formed on one side of each of the two clamping blocks (6), and two guide slopes (13) are symmetrically arranged on both sides of the positioning groove (12).

3. The quick-release circuit breaker according to claim 1, wherein a support block (14) is slidably sleeved on one end of the outer side of the rack (11), and one end of the support block (14) is fixed to the inner side of the housing (2).

4. A quick-disconnect circuit breaker according to claim 1, characterized in that one end of the rack (11) is fixed with a limit plate (15) and the other end of the rack (11) is fixed with a pressure plate (16) located outside the casing (2).

5. The quick disconnect circuit breaker according to claim 1, characterized in that two said L-shaped links (5) are connected to a buffer spring (17) at their other ends, and one end of each of said two buffer springs (17) is connected to one end of the inside of each of two sliding rods (4).

6. The quick assembly disassembly circuit breaker of claim 1, characterized in that, the outside one side of casing (2) is fixed with first combination board (18), one side of first combination board (18) is located both ends position department symmetry and is fixed with two combination bumps (19), the outside opposite side of casing (2) is fixed with second combination board (20), combination hole (21) have all been seted up to the inside of second combination board (20) corresponding position department of two combination bumps (19).