CN213519801U

CN213519801U - Miniature circuit breaker that protectiveness is strong

Info

Publication number: CN213519801U
Application number: CN202022783057.7U
Authority: CN
Inventors: 程鹏
Original assignee: Tianjin Tianditong Automation Equipment Co ltd
Current assignee: Tianjin Tianditong Automation Equipment Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-06-22
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a miniature circuit breaker that protectiveness is strong, which comprises a base, one side of base is rotated and is connected with the guard plate, one side that the base is close to the guard plate is equipped with puts the thing groove, it is equipped with the miniature circuit breaker body to put the thing inslot, miniature circuit breaker body back fixedly connected with anticreep piece, it is equipped with the slot corresponding with the anticreep piece on the thing inslot lateral wall to put, the one end that miniature circuit breaker body was kept away from to the anticreep piece extends to in the slot, all be equipped with the spout on the relative lateral wall in the slot, sliding insert in the spout and be equipped with the fixture block, be equipped with the draw-in groove corresponding with the fixture block on the lateral wall of anticreep piece, the one end of fixture block runs through the spout and extends to. The utility model discloses a loading and unloading flow of circuit breaker has been simplified in adjustment mechanism's setting, alleviates user intensity of labour, improves work efficiency.

Description

Miniature circuit breaker that protectiveness is strong

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a miniature circuit breaker that protectiveness is strong.

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. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the boundary line of the high voltage and the low voltage is divided more clearly, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, when the circuit breaker has faults of serious overload, short circuit, undervoltage and the like, the circuit breaker can be automatically cut off, and the function of the circuit breaker is equivalent to the combination of a fuse.

For preventing that the circuit breaker from receiving external influence and impaired, the user can install the circuit breaker in the switch box to play outside protective action, but traditional circuit breaker generally installs through fixed or bolt's mode, usually need relapse when carrying out maintenance and overhaul its dismantlement, increased people's intensity of labour and reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and needing usually to relapse when maintaining and repairing and dismantling it, increased people's intensity of labour and reduced work efficiency, and the strong miniature circuit breaker of a protectiveness who provides.

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

a miniature circuit breaker with strong protection performance comprises a base, wherein one side of the base is rotatably connected with a protection plate, one side of the base, which is close to the protection plate, is provided with a storage groove, a miniature circuit breaker body is arranged in the storage groove, the back of the miniature circuit breaker body is fixedly connected with an anti-drop block, the inner side wall of the storage groove is provided with a slot corresponding to the anti-drop block, one end of the anti-drop block, which is far away from the miniature circuit breaker body, extends into the slot, the opposite side walls in the slot are respectively provided with a chute, a fixture block is slidably inserted in the chute, the side wall of the anti-drop block is provided with a slot corresponding to the fixture block, one end of the fixture block penetrates through the chute and extends into the slot, the other end of the fixture block is provided with a spring, the, the article placing groove is characterized in that a hollow groove communicated with the sliding groove is formed in the inner side wall of the article placing groove, a lifting ring corresponding to the pulling rope is fixedly connected to the inner side wall of the article placing groove, and one end, far away from the clamping block, of the pulling rope sequentially penetrates through the hollow groove, the lifting ring and a pull ring fixedly connected with the pulling ring.

Preferably, the both sides of fixture block all are equipped with the recess, the recess internal rotation is connected with the ball, the ball offsets with the spout inside wall.

Preferably, one side of the protection plate, which is far away from the base, is fixedly connected with a first rubber pad.

Preferably, a winding wheel is arranged in the hollow groove, the outer side wall of the wire guide wheel is abutted against the pull rope, and two ends of the wire guide wheel are respectively connected with the opposite side walls in the hollow groove in a rotating mode.

Preferably, a second rubber pad is fixedly connected to one side of the base, which is far away from the protection plate.

Preferably, a sliding rod is inserted into one end, close to the spring, of the clamping block in a sliding manner, and one end of the sliding rod is fixedly connected with the inner side wall of the sliding groove.

Has the advantages that:

1. when the miniature circuit breaker is used for the first time, the base is fixed at an appointed position, when the miniature circuit breaker body is disassembled, the pull ring is firstly pulled to drive the pull rope to move, the pull rope drives the clamping block to move, so that the clamping block is separated from the clamping groove, at the moment, the miniature circuit breaker body can be taken out, when the miniature circuit breaker is installed, the miniature circuit breaker body is placed in the original position, the anti-falling block extends into the slot, at the moment, the pull ring is loosened, the clamping block is pushed to extend into the clamping groove through the restoring force of the spring, and the anti-falling block is prevented from loosening;

2. through the setting of ball, can reduce the resistance when the fixture block removes, through the setting of first rubber pad, can improve the wearability of guard plate, improve the protective capacities of guard plate, through the setting of wire wheel, can improve the stability when the stay cord removes, through the setting of second rubber pad, can improve the stability after the base is fixed, through the setting of slide bar, can improve the stability when the fixture block removes.

Drawings

Fig. 1 is a schematic structural diagram of a micro circuit breaker with strong protection performance according to the present invention;

fig. 2 is a schematic structural diagram of a position a of a micro circuit breaker with strong protection performance according to the present invention;

fig. 3 is a schematic diagram of a B-position structure of a miniature circuit breaker with strong protection performance.

In the figure: the circuit breaker comprises a base 1, a protection plate 2, a pull rope 3, a miniature circuit breaker body 4, a clamping block 5, an anti-falling block 6, a spring 7, a sliding rod 8, a wire guide wheel 9, a lifting ring 10 and a pull ring 11.

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.

Referring to fig. 1-3, a miniature circuit breaker with strong protectiveness comprises a base 1, wherein a protection plate 2 is rotatably connected to one side of the base 1 and used for protecting a miniature circuit breaker body 4 from the outside, a first rubber pad is fixedly connected to one side, away from the base 1, of the protection plate 2 and used for improving the wear resistance of the protection plate 2 and enhancing the protection effect of the protection plate 2, a second rubber pad is fixedly connected to one side, away from the protection plate 2, of the base 1 and used for improving the stability of the base 1 after installation, and an object placing groove is formed in one side, close to the protection plate 2, of the base;

in the embodiment, a miniature circuit breaker body 4 is arranged in the object placing groove, the back of the miniature circuit breaker body 4 is fixedly connected with an anti-falling block 6 for preventing the miniature circuit breaker body 4 from falling off, a slot corresponding to the anti-falling block 6 is arranged on the inner side wall of the object placing groove, and one end, far away from the miniature circuit breaker body 4, of the anti-falling block 6 extends into the slot;

in the embodiment, the opposite side walls in the slot are provided with sliding grooves, the sliding grooves are internally provided with clamping blocks 5 in a sliding manner, the clamping blocks 6 are prevented from loosening, the side walls of the anti-loosening blocks 6 are provided with clamping grooves corresponding to the clamping blocks 5, one ends of the clamping blocks 5 penetrate through the sliding grooves and extend into the clamping grooves, the two sides of each clamping block 5 are provided with grooves, the grooves are rotatably connected with balls, the resistance of the clamping blocks 5 during movement is reduced, and the balls are abutted against the inner side walls of the sliding grooves;

in the embodiment, a spring 7 is arranged at the other end of the fixture block 5 and used for driving the fixture block 5 to move and reset, two ends of the spring 7 respectively abut against the inner side wall of the chute and the fixture block 5, a slide rod 8 is slidably inserted into one end of the fixture block 5 close to the spring 7 and used for improving the stability of the fixture block 5 during movement, and one end of the slide rod 8 is fixedly connected with the inner side wall of the chute;

in the embodiment, one end of the clamping block 5, which is close to the spring 7, is fixedly connected with the pull rope 3 and is used for driving the clamping block 5 to move, a hollow groove communicated with the sliding groove is formed in the inner side wall of the storage groove, a hanging ring 10 corresponding to the pull rope 3 is fixedly connected to the inner side wall of the storage groove and is used for supporting the pull rope 3, one end of the pull rope 3, which is far away from the clamping block 5, sequentially penetrates through the hollow groove and the hanging ring 10 and is fixedly connected with a pull ring 11 and is used for facilitating a user to pull the pull rope 3 to move, a reel 9 is arranged in the hollow groove and is used for improving the stability of the pull rope 3 during moving, the outer side;

in this embodiment, fix base 1 to the assigned position earlier, when dismantling miniature circuit breaker body 4, at first stimulate pull ring 11 to drive stay cord 3 and remove, drive fixture block 5 through stay cord 3 and remove, make fixture block 5 break away from in the draw-in groove, alright take out miniature circuit breaker body 4 this moment, during the installation, put into the normal position with miniature circuit breaker body 4, and make anticreep piece 6 extend to the slot in, at this moment, loosen pull ring 11, promote fixture block 5 through the restoring force of spring 7 and extend to the draw-in groove in, prevent that anticreep piece 6 is not hard up, the utility model discloses an adjustment mechanism's setting has simplified the loading and unloading flow of circuit breaker, alleviates user intensity of labour, improves work efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A miniature circuit breaker that protectiveness is strong, includes base (1), its characterized in that: one side of the base (1) is rotatably connected with a protection plate (2), one side, close to the protection plate (2), of the base (1) is provided with a storage groove, a miniature circuit breaker body (4) is arranged in the storage groove, the back of the miniature circuit breaker body (4) is fixedly connected with an anti-falling block (6), the inner side wall of the storage groove is provided with a slot corresponding to the anti-falling block (6), one end, far away from the miniature circuit breaker body (4), of the anti-falling block (6) extends into the slot, the opposite side walls in the slot are provided with sliding grooves, clamping blocks (5) are slidably inserted in the sliding grooves, the side wall of the anti-falling block (6) is provided with clamping grooves corresponding to the clamping blocks (5), one end of each clamping block (5) penetrates through the sliding grooves and extends into the clamping grooves, the other end of each clamping block (5) is provided with a spring (7), and the two, the fixture block (5) is close to one end fixedly connected with stay cord (3) of spring (7), be equipped with on putting the thing inslot lateral wall with the communicating hollow groove of spout, fixedly connected with and stay cord (3) corresponding rings (10) on putting the thing inslot lateral wall, the one end that fixture block (5) were kept away from in stay cord (3) runs through hollow groove and rings (10) and fixedly connected with pull ring (11) in proper order.

2. A highly protective miniature circuit breaker according to claim 1 wherein: the two sides of the clamping block (5) are provided with grooves, balls are rotationally connected in the grooves, and the balls are abutted to the inner side walls of the sliding grooves.

3. A highly protective miniature circuit breaker according to claim 1 wherein: one side of the protection plate (2) far away from the base (1) is fixedly connected with a first rubber pad.

4. A highly protective miniature circuit breaker according to claim 1 wherein: the wire guiding device is characterized in that a wire guiding wheel (9) is arranged in the hollow groove, the outer side wall of the wire guiding wheel (9) is abutted to the pull rope (3), and two ends of the wire guiding wheel (9) are respectively connected with the opposite side walls in the hollow groove in a rotating mode.

5. A highly protective miniature circuit breaker according to claim 1 wherein: one side of the base (1) far away from the protection plate (2) is fixedly connected with a second rubber pad.

6. A highly protective miniature circuit breaker according to claim 1 wherein: and a sliding rod (8) is slidably inserted into one end, close to the spring (7), of the clamping block (5), and one end of the sliding rod (8) is fixedly connected with the inner side wall of the sliding groove.