CN212625365U

CN212625365U - Indoor solid-sealed circuit breaker

Info

Publication number: CN212625365U
Application number: CN202021710899.3U
Authority: CN
Inventors: 董小强; 潘志锋; 张卫善
Original assignee: Yubang Electric Co ltd
Current assignee: Yubang Electric Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-02-26
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses an indoor solid-sealed circuit breaker, which relates to the technical field of circuit breakers and comprises a base, a circuit breaker shell, a rotating groove and two transmission grooves are arranged on the upper surface of a third positioning piece, the two transmission grooves are respectively positioned at the front end and the rear end of the rotating groove and are communicated with the rotating groove, a first gear and a second gear are fixedly sleeved on a rotating column, the second gear is respectively meshed with the two third gears, threaded holes which run through the third gears are respectively arranged on the rotating shafts of the two third gears, through holes which run through the third positioning piece are respectively arranged at the positions of the two threaded holes corresponding to the third positioning piece, the position of the first positioning piece corresponding to one of the through holes, the positions, corresponding to the other through hole, of the second positioning piece are respectively provided with a threaded column, the threaded columns respectively penetrate through the through holes at the corresponding positions, and the threaded columns penetrate through the threaded holes at the corresponding positions and are in threaded connection with the threaded holes; the utility model has the advantages of convenient use, high flexibility, wide application range and the like.

Description

Indoor solid-sealed circuit breaker

Technical Field

The utility model relates to a technical field of circuit breaker, in particular to indoor solid-sealed circuit breaker.

Background

The breaker is a switching device which can close, carry and open/close the current under the condition of a normal loop and can close, carry and open/close the current under the condition of an abnormal loop within a specified time; the circuit breakers are divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range of the circuit breakers, the high-voltage and low-voltage boundary line is divided more fuzzinly, and the circuit breakers above 3kV are generally called high-voltage electrical appliances; the circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.

The solid-sealed circuit breaker is one of circuit breakers, namely, a vacuum arc-extinguishing chamber and a conductive part related to the circuit breaker are simultaneously embedded into an easily-cured solid insulating material such as epoxy resin to form a pole, so that the pole of the whole circuit breaker becomes an integral part; the existing indoor solid-sealed circuit breaker is mainly characterized in that a positioning piece is connected with a mounting part through a bolt, but the shapes and the sizes of the mounting parts are different under different environments, so that the positioning piece of the existing solid-sealed circuit breaker cannot flexibly adapt to different mounting parts.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an indoor solid-sealed circuit breaker is provided for the big problem of limitation when solving among the prior art of description solid-sealed circuit breaker's setting element installation in the background art.

In order to achieve the above object, the present invention provides the following technical solutions: an indoor solid-sealed circuit breaker comprises a circuit breaker shell, wherein the outer walls of the left end and the right end of the circuit breaker shell are respectively provided with a positioning structure, the positioning structure comprises a first positioning piece, a second positioning piece and a third positioning piece arranged between the first positioning piece and the second positioning piece, the second positioning piece is fixedly connected with the circuit breaker shell, the upper surface of the third positioning piece is provided with a rotating groove and two transmission grooves, the two transmission grooves are respectively positioned at the front end and the rear end of the rotating groove and communicated with the rotating groove, a transverse rotating column is rotationally arranged in the rotating groove, a first gear and a second gear are fixedly sleeved on the rotating column, a third gear is rotationally arranged in the transmission grooves, the second gear and the two third gears are respectively meshed, and threaded holes penetrating through the third gears are respectively arranged on the rotating shafts of the two third gears, two the position that the screw hole corresponds the third setting element is provided with the through-hole that runs through the third setting element respectively, the position that corresponds one of them through-hole on the first setting element and the position that corresponds another through-hole on the second setting element are provided with the screw thread post respectively, the screw thread post runs through the through-hole that corresponds the position respectively, and the screw thread post runs through the screw hole that corresponds the position and passes through threaded connection with the screw hole.

Preferably: the upper surface of the third positioning piece is rotatably provided with a clamping plate which is used for limiting the rotation of the first gear in one direction of clockwise direction or anticlockwise direction.

Preferably: two first guide posts are arranged at positions, corresponding to the third positioning piece, on the first positioning piece, first guide holes penetrating through the third positioning piece are arranged at positions, corresponding to the first guide posts, on the third positioning piece, and the first guide posts penetrate through the first guide holes in a sliding mode.

Preferably: two second guide posts are arranged on the second positioning part corresponding to the third positioning part, second guide holes penetrating through the third positioning part are arranged on the third positioning part corresponding to the second guide posts, and the second guide posts penetrate through the second guide holes in a sliding mode.

Preferably: the opposite surfaces of the first positioning piece and the second positioning piece are respectively provided with an arc-shaped groove.

Preferably: and an arc-shaped groove is formed in the lower surface of the third positioning piece.

The beneficial effect of adopting above technical scheme is:

according to the positioning device, the first gear can drive the second gear to rotate through the rotating column, the third gear is driven to rotate, the threaded column can move relative to the third gear through the rotation of the third gear, the distance among the first positioning piece, the second positioning piece and the third positioning piece can be changed due to the fact that the first gear is close to the third gear, and the positioning device is suitable for installation parts with different sizes;

the clamping plate can be rotated to prevent the first gear from rotating towards the clamping plate;

the guide function can be achieved through the arranged first guide post, the first guide hole, the second guide post and the second guide hole.

Drawings

Fig. 1 is a front view of the indoor fixed-sealed circuit breaker of the present invention.

Fig. 2 is a top view of the positioning structure of the present invention.

Fig. 3 is a top view of a part of the positioning structure of the present invention.

Fig. 4 is a schematic structural diagram of a part of the components in the positioning structure of the present invention.

Wherein: the circuit breaker comprises a circuit breaker shell 10, a positioning structure 20, a first positioning member 30, a first guide post 31, a first guide hole 32, a second positioning member 40, a second guide post 41, a second guide hole 42, a third positioning member 50, a rotating groove 51, a rotating post 52, a first gear 53, a second gear 54, a transmission groove 55, a third gear 56, a threaded hole 57, a through hole 58, a threaded post 59 and a clamping plate 510.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In an embodiment, as shown in fig. 1 to 4, in this embodiment, an indoor fixed-sealed circuit breaker includes a circuit breaker housing 10, outer walls of left and right ends of the circuit breaker housing 10 are respectively provided with a positioning structure 20, the positioning structure 30 includes a first positioning element 30, a second positioning element 40, and a third positioning element 50 disposed between the first positioning element 30 and the second positioning element 40, the second positioning element 40 is fixedly connected to the circuit breaker housing 10, an upper surface of the third positioning element 50 is provided with a rotation groove 51 and two transmission grooves 55, the two transmission grooves 55 are respectively located at front and rear ends of the rotation groove 51 and are rotatably communicated with the rotation groove 51, the rotation groove 51 is provided with a transverse rotation column 52, a first gear 53 and a second gear 54 are fixedly sleeved on the rotation column 52, a third gear 56 is rotatably disposed in the transmission grooves 55, the second gear 54 is engaged with the two third gears 56, two threaded holes 57 penetrating through the third gears 56 are respectively formed in the rotating shafts of the two third gears 56, through holes 58 penetrating through the third positioning member 50 are respectively formed in positions of the two threaded holes 57 corresponding to the third positioning member 50, threaded columns 59 are respectively arranged in positions of the first positioning member 30 corresponding to one of the through holes 58 and positions of the second positioning member 40 corresponding to the other through hole 58, the threaded columns 59 respectively penetrate through the through holes 58 in the corresponding positions, and the threaded columns 59 penetrate through the threaded holes 57 in the corresponding positions and are in threaded connection with the threaded holes 57.

Preferably: the upper surface of the third positioning member 50 is rotatably provided with a catch plate 510, and the catch plate 510 is used for limiting the rotation of the first gear 53 in one of the clockwise direction and the counterclockwise direction.

Preferably: two first guide posts 31 are arranged at positions, corresponding to the third positioning member 50, on the first positioning member 30, first guide holes 32 penetrating through the third positioning member 50 are arranged at positions, corresponding to the first guide posts 31, on the third positioning member 50, and the first guide posts 31 slidably penetrate through the first guide holes 32.

Preferably: two second guide posts 41 are disposed on the second positioning member 40 corresponding to the third positioning member 50, a second guide hole 42 penetrating through the third positioning member 50 is disposed on the third positioning member 50 corresponding to the second guide posts 41, and the second guide posts 41 slidably penetrate through the second guide hole 42.

Preferably: the opposite surfaces of the first positioning member 30 and the second positioning member 40 are respectively provided with an arc-shaped groove.

Preferably: the lower surface of the third positioning member 50 is provided with an arc-shaped groove.

The specific implementation manner of this embodiment:

when the positioning device is used, the clamping plate 510 is firstly rotated to enable the clamping plate 510 to leave the position of the first gear 51, then the first gear 53 is rotated, the first gear 53 drives the second gear 54 to rotate through the rotating column 52, and then the second gear 54 drives the two third gears 56 to rotate, the third gear 56 and the threaded column 59 can relatively move through the rotation of the two third gears 56, so that the first positioning part 30 and the second positioning part 40 can simultaneously move towards the direction close to or away from the third positioning part 50, because the second positioning part 40 is connected with the breaker shell 10, the third positioning part 50 can move towards the second positioning part 40, the first positioning part 30 can move towards the third positioning part 50, so that the first positioning part 30 and the second positioning part 40 can clamp the installation component, then the clamping plate 510 is rotated to enable the clamping plate 510 to clamp the first gear 53, so that the first gear 53 cannot be rotated.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides an indoor solid-sealed circuit breaker, includes circuit breaker casing, its characterized in that: the outer walls of the left end and the right end of the breaker shell are respectively provided with a positioning structure, the positioning structure comprises a first positioning piece, a second positioning piece and a third positioning piece arranged between the first positioning piece and the second positioning piece, the second positioning piece is fixedly connected with the breaker shell, the upper surface of the third positioning piece is provided with a rotating groove and two transmission grooves, the two transmission grooves are respectively positioned at the front end and the rear end of the rotating groove and are communicated with the rotating groove, a transverse rotating column is rotationally arranged in the rotating groove, a first gear and a second gear are fixedly sleeved on the rotating column, a third gear is rotationally arranged in the transmission grooves, the second gear is respectively meshed with the two third gears, threaded holes penetrating through the third gears are respectively arranged on the rotating shafts of the two third gears, and through holes penetrating through the third positioning piece are respectively arranged at the positions of the two threaded holes corresponding to the third positioning piece, the position of one of the through holes on the first positioning piece and the position of the other through hole on the second positioning piece are respectively provided with a threaded column, the threaded columns respectively penetrate through the through holes at the corresponding positions, and the threaded columns penetrate through the threaded holes at the corresponding positions and are in threaded connection with the threaded holes.

2. The indoor fixed and sealed circuit breaker as recited in claim 1, wherein said third positioning member is provided with a catch plate on an upper surface thereof for limiting rotation of said first gear in one of a clockwise direction and a counterclockwise direction.

3. The indoor fixed-sealed circuit breaker according to claim 2, wherein two first guiding posts are disposed on the first positioning member at positions corresponding to the third positioning member, a first guiding hole penetrating through the third positioning member is disposed on the third positioning member at positions corresponding to the first guiding posts, and the first guiding post penetrates through the first guiding hole in a sliding manner.

4. The indoor solid-sealed circuit breaker according to claim 3, wherein two second guiding posts are disposed on the second positioning member corresponding to the third positioning member, a second guiding hole penetrating through the third positioning member is disposed on the third positioning member corresponding to the second guiding post, and the second guiding post slidably penetrates through the second guiding hole.

5. The indoor fixed and sealed circuit breaker as claimed in claim 4, wherein the opposing faces of said first positioning member and said second positioning member are respectively provided with an arc-shaped slot.

6. The indoor fixed and sealed circuit breaker as claimed in claim 5, wherein the lower surface of said third positioning member is provided with an arc-shaped groove.