CN213936086U

CN213936086U - Circuit breaker

Info

Publication number: CN213936086U
Application number: CN202120062614.8U
Authority: CN
Inventors: 宋扬
Original assignee: Zhejiang Zhongkong Electric Co ltd
Current assignee: Zhejiang Zhongkong Electric Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-08-10
Anticipated expiration: 2031-01-11

Abstract

The utility model relates to the technical field of low-voltage electrical appliances, and discloses a circuit breaker, which comprises a distribution box and circuit breakers, wherein an inner cavity of the distribution box is fixedly provided with an installation rod, the inside of the installation rod is fixedly provided with a movable block, the left side of the movable block is provided with an elastic groove, the inner cavity of the installation rod is slidably provided with an installation block positioned at the left side of the movable block, the back of the installation block is fixedly provided with an elastic rod, the back of the elastic rod is fixedly provided with a fixed block, the back of the circuit breaker is fixedly provided with a fixed rod, the circuit breaker drives a connecting block to move through a second spring, the connecting block drives a roller to move, the roller is clamped to a concave point on a clamping block, the two circuit breakers are fixed through two clamping devices, only the two circuit breakers are required to be pulled out when being separated, and a user puts two fixed circuit, the fixed rod is clamped with the clamping block.

Description

Circuit breaker

Technical Field

The utility model relates to a low-voltage apparatus technical field specifically is a circuit breaker.

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 prescribed time, and can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply line, a motor and the like, automatically cutting off a circuit when a fault such as severe overload or short circuit or undervoltage occurs, and the like, and has a function equivalent to a combination of a fuse type switch and an over-under-heat relay and the like.

The existing circuit breaker is generally fixed by four screws, the installation mode is slow and inconvenient, the screws are very easy to damage and rust, the inconvenience of subsequent disassembly and replacement is caused, the circuit breaker is generally a plurality of circuit breakers which are installed, a plurality of screws are needed, corresponding clamping cannot be carried out, and the circuit breaker is quickly assembled and then installed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a circuit breaker possesses advantages such as fast assembly, quick installation, quick dismantlement, has solved the circuit breaker installation and has just not been convenient for subsequent dismantlement maintenance slowly, and the circuit breaker can't accomplish the problem of equipment earlier and then install.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a circuit breaker, includes block terminal and circuit breaker, the inner chamber fixed mounting of block terminal has the installation pole, the inside fixed mounting of installation pole has the movable block, elastic groove is seted up in the left side of movable block, its left slidable mounting that is located the movable block of inner chamber of installation pole has the installation piece, the back fixed mounting of installation piece has elastic rod, elastic rod's back fixed mounting has the fixed block, the back fixed mounting of circuit breaker has the dead lever, the bottom fixed mounting of dead lever has the fixture block, the surface of fixture block and the internal surface looks joint of installation pole, the inner wall fixed mounting of installation pole has a spring, the top of a spring and the back fixed connection of installation piece.

Preferably, the left side fixed mounting of circuit breaker has the joint piece, the inside fixed mounting of circuit breaker has latch device.

Preferably, the clamping device comprises a spring, a connecting block and a roller, and the bottom of the spring is fixedly connected with the top of the connecting block.

Preferably, the outer surface of the connecting block is movably connected with the inner surface of the roller.

Preferably, the connection block and the bottom of the drum extend through the circuit breaker and into the interior of the circuit breaker.

Preferably, the number of the clamping devices is four.

(III) advantageous effects

Compared with the prior art, the utility model provides a circuit breaker possesses following beneficial effect: this circuit breaker accessible No. two springs drive the connecting block and move, the connecting block drives the cylinder and moves, make the cylinder block to the concave point on the joint piece, through two latch devices, fix two circuit breakers, only need during the separation pull out two circuit breakers can, the user of service puts two fixed circuit breakers on the dead lever, through the looks joint of dead lever and fixture block, make the circuit breaker fix on the dead lever, rethread user of service presses the circuit breaker inwards, drive the fixed block through the elastic rod and move, slide in the elastic groove through the fixed block, make the fixed block fix at the extreme point of elastic groove, make the circuit breaker fix on the installation pole, the user of service presses the circuit breaker once more, push out the installation piece through a spring, make the circuit breaker pop out.

1. This circuit breaker drives the fixed block through the elastic rod and moves, slides in the elasticity groove through the fixed block, drives the installation piece through a spring and moves, and the cooperation of rethread dead lever and fixture block is used to reach and install the circuit breaker, improved circuit breaker installation and dismantlement speed, realized need not the screw and installed the circuit breaker fast, avoided the screw to damage or rust the problem that leads to the circuit breaker can't take out.

2. This circuit breaker drives the connecting block through No. two springs and moves, and the connecting block drives the cylinder and moves, uses through the cooperation with the joint piece again to reach and assemble the circuit breaker, improved circuit breaker installation rate, realized assembling the circuit breaker earlier, fix in the distribution box again, avoided the loaded down with trivial details problem of circuit breaker installation.

Drawings

Fig. 1 is a front view of the internal structure of the present invention.

Fig. 2 is a side view of the internal structure of the present invention.

Fig. 3 is a side view of the structure of the movable block and the mounting block of the present invention.

Fig. 4 is a top view of the elastic rod and the fixing block structure of the present invention.

In the figure: 1. a distribution box; 2. a circuit breaker; 3. mounting a rod; 4. a movable block; 5. an elastic groove; 6. mounting blocks; 7. an elastic rod; 8. a fixed block; 9. fixing the rod; 10. a clamping block; 11. a first spring; 12. a clamping block; 13. a clamping device; 14. a second spring; 15. connecting blocks; 16. and (3) a roller.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a circuit breaker includes a distribution box 1 and a circuit breaker 2, an installation rod 3 is fixedly installed in an inner cavity of the distribution box 1, a movable block 4 is fixedly installed inside the installation rod 3, an elastic groove 5 is formed on the left side of the movable block 4, an installation block 6 is slidably installed in the inner cavity of the installation rod 3 on the left side of the movable block 4, an elastic rod 7 is fixedly installed on the back of the installation block 6, a fixed block 8 is fixedly installed on the back of the elastic rod 7, a fixed rod 9 is fixedly installed on the back of the circuit breaker 2, an outlet of the elastic groove 5 is slightly higher and wider than the inlet, so that the fixed rod 9 can only enter from the inlet, a clamping block 10 is fixedly installed at the bottom of the fixed rod 9, the outer surface of the clamping block 10 is clamped with the inner surface of the installation rod 3, a first spring 11 is fixedly installed on the inner wall of the installation rod 3, and the top of the first spring 11 is fixedly connected with the back of the installation block 6, circuit breaker 2's left side fixed mounting has joint piece 12, circuit breaker 2's inside fixed mounting has latch device 13, latch device 13 includes spring 14 No. two, connecting block 15 and cylinder 16, the top and the bottom of joint piece 12 all have the concave a bit so conveniently to let cylinder 16 joint mutually, spring 14's bottom and connecting block 15's top fixed connection No. two, connecting block 15's surface and cylinder 16's internal surface swing joint, connecting block 15 and cylinder 16's bottom all runs through circuit breaker 2 and extends to circuit breaker 2's inside, latch device 13's quantity is four.

The working principle is as follows: firstly, a user combines two circuit breakers 2, a clamping block 12 on one circuit breaker 2 is inserted into the other circuit breaker 2, a second spring 14 drives a connecting block 15 to move, the connecting block 15 drives a roller 16 to move, the roller 16 is clamped to a concave point on the clamping block 12, the two circuit breakers 2 are fixed through two clamping devices 13, only the two circuit breakers 2 need to be pulled out during separation, the user puts the two fixed circuit breakers 2 on a fixed rod 9, the circuit breakers 2 are fixed on the fixed rod 9 through the clamping of the fixed rod 9 and a clamping block 10, the user presses the circuit breakers 2 inwards, the fixed block 8 is driven to move through an elastic rod 7, the fixed block 8 slides in the elastic groove 5, the fixed block 8 is fixed at the end point of the elastic groove 5, and the circuit breakers 2 are fixed on a mounting rod 3, the user presses the circuit breaker 2 again, pushes out the mounting block 6 through the first spring 11, and enables the circuit breaker 2 to pop out.

In conclusion, the breaker can drive the connecting block 15 to move through the second spring 14, the connecting block 15 drives the roller 16 to move, so that the roller 16 is clamped at a concave point on the clamping block 12, the two breakers 2 are fixed through the two clamping devices 13, only the two breakers 2 need to be pulled out during separation, a user puts the two fixed breakers 2 on the fixing rod 9, the breaker 2 is fixed on the fixing rod 9 through the clamping of the fixing rod 9 and the clamping block 10, the user presses the breaker 2 inwards, the fixing block 8 is driven to move through the elastic rod 7, the fixing block 8 slides in the elastic groove 5, the fixing block 8 is fixed at the end point of the elastic groove 5, the breaker 2 is fixed on the mounting rod 3, the user presses the breaker 2 again, and the mounting block 6 is pushed out through the first spring 11, causing the circuit breaker 2 to pop out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A circuit breaker, includes block terminal (1) and circuit breaker (2), its characterized in that: an installation rod (3) is fixedly installed in the inner cavity of the distribution box (1), a movable block (4) is fixedly installed inside the installation rod (3), an elastic groove (5) is arranged on the left side of the movable block (4), an installation block (6) is arranged in the inner cavity of the installation rod (3) and is positioned on the left side of the movable block (4) in a sliding way, the back of the mounting block (6) is fixedly provided with an elastic rod (7), the back of the elastic rod (7) is fixedly provided with a fixed block (8), a fixed rod (9) is fixedly arranged on the back surface of the circuit breaker (2), a clamping block (10) is fixedly arranged at the bottom of the fixed rod (9), the outer surface of the clamping block (10) is clamped with the inner surface of the mounting rod (3), the inner wall fixed mounting of installation pole (3) has a spring (11), the back fixed connection of the top and installation piece (6) of a spring (11).

2. A circuit breaker according to claim 1, wherein: the left side fixed mounting of circuit breaker (2) has joint piece (12), the inside fixed mounting of circuit breaker (2) has latch device (13).

3. A circuit breaker according to claim 2, wherein: clamping device (13) include No. two spring (14), connecting block (15) and cylinder (16), the top fixed connection of the bottom of No. two spring (14) and connecting block (15).

4. A circuit breaker according to claim 3, wherein: the outer surface of the connecting block (15) is movably connected with the inner surface of the roller (16).

5. A circuit breaker according to claim 3, wherein: the bottoms of the connecting blocks (15) and the rollers (16) penetrate through the circuit breaker (2) and extend into the circuit breaker (2).

6. A circuit breaker according to claim 2, wherein: the number of the clamping devices (13) is four.