CN217903029U

CN217903029U - Moulded case circuit breaker traction lever structure convenient to connect

Info

Publication number: CN217903029U
Application number: CN202221341549.3U
Authority: CN
Inventors: 蔡起贤; 陈志鹏; 王顺风; 徐钱浩
Original assignee: Zhejiang Senchuan Electric Co ltd
Current assignee: Zhejiang Senchuan Electric Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-25
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a moulded case circuit breaker traction lever structure convenient to connect relates to circuit breaker technical field, including circuit breaker housing, circuit breaker housing's inside is provided with the traction lever main part, the quantity of traction lever main part is four and is the equidistance setting, circuit breaker housing's surface is provided with auxiliary device, auxiliary device includes the main shaft that two symmetries set up, the main shaft is connected with circuit breaker housing's fixed surface, the surface of main shaft is all rotated and is installed the dwang, the inner wall of dwang is inserted and is equipped with the pin, the pin offsets with the surface of traction lever main part, the equal fixed mounting of one end that circuit breaker housing was kept away from to the main shaft has the mounting panel, the fixed surface of mounting panel installs the elasticity strip. The utility model relates to a rational in infrastructure to reach the effect that does not need the manual work to push the traction lever main part up one by one, and then promoted the equipment practicality.

Description

Moulded case circuit breaker traction lever structure convenient to connect

Technical Field

The utility model relates to a circuit breaker technical field specifically is a moulded case circuit breaker traction lever structure convenient to connect.

Background

The circuit breaker refers to 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 breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

When a circuit is maintained, the draw bars need to be put down to cut off the circuit, and when the draw bars need to be powered on after the draw bars are put down simultaneously, the draw bars are pushed manually, so that the traditional circuit breaker draw bars are not well protected, equipment can be failed after being influenced by external force, and therefore the draw bar structure of the plastic case circuit breaker is convenient to connect and solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a moulded case circuit breaker traction lever structure convenient to connect in order to compensate the not enough of prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a moulded case circuit breaker traction lever structure convenient to connect, includes the circuit breaker shell, the inside of circuit breaker shell is provided with the traction lever main part, the quantity of traction lever main part is four and is the equidistance setting, the surface of circuit breaker shell is provided with auxiliary device, auxiliary device includes the main shaft that two symmetries set up, the fixed surface of main shaft and circuit breaker shell is connected, the surface of main shaft is all rotated and is installed the dwang, the inner wall of dwang is inserted and is equipped with the pin, the pin offsets with the surface of traction lever main part, the equal fixed mounting of one end that the circuit breaker shell was kept away from to the main shaft has the mounting panel, the fixed surface of mounting panel installs the elasticity strip, the one end that the mounting panel was kept away from to the elasticity strip is connected with the fixed surface of dwang, the jack has all been seted up on the surface of dwang, the equal slidable mounting of inner wall of mounting panel has the inserted bar, the equal fixed surface of inserted bar has the spring, the other end of spring is connected with the fixed surface of mounting panel.

Preferably, the draw bar main body is arranged in a circular shape, and the stop lever abuts against the surface of the draw bar main body.

Preferably, the end, far away from the spring, of the inserting rod is inserted into the inserting hole and abuts against the inner wall of the inserting rod, the stop rod is inserted into the rotating rod before the main body of the drawing rod is put down, the main body of the drawing rod is put down immediately, the main body of the drawing rod abuts against the stop rod and drives the rotating rod to rotate, the rotating rod extrudes the elastic strip when rotating, after the drawing rod is put down, the inserting hole in the surface of the rotating rod also moves to the same horizontal line with the inserting rod, the spring drives the inserting rod to be inserted into the inserting hole immediately, the rotating rod is fixed, after circuit maintenance, the inserting rod is pulled to move towards the direction far away from the inserting hole, after the inserting rod leaves the inserting hole, the elastic strip drives the stop rod to push up the main body of the drawing rod through the rotating rod, the effect that the main body of the drawing rod is not required to be pushed up manually is achieved, the practicability of equipment is improved, the inserting rod is pulled out of the inserting rod after being pushed up, and the main body of the breaker cannot be put down when short circuit is short circuit.

Preferably, the surface of circuit breaker shell is provided with protector, protector includes the mounting groove, the mounting groove is located the surface of circuit breaker main part and sets up, the inner wall of mounting groove rotates installs the installation pole, the fixed surface of installation pole installs the guard plate, the guard plate is L shape setting, guard plate and traction lever main part looks adaptation.

Preferably, the fixed surface of circuit breaker main part installs the shell fragment that five equidistance set up, the shell fragment is kept away from the one end of circuit breaker main part and is connected with the fixed surface of guard plate, when needing to promote the traction lever main part, rotates the guard plate, and the guard plate extrudes the shell fragment when rotating, and the shell fragment takes place to be crooked and produces elasticity, loosens the guard plate after promoting the traction lever main part, and the elasticity of shell fragment drives the guard plate and resets to prevent that external force from resulting in the traction lever main part to take place the motion, influence the normal use of equipment.

Preferably, the lower surface of circuit breaker shell has seted up the shell recess, the quantity of shell recess is four and is the equidistance and distributes.

Compared with the prior art, this moulded case circuit breaker traction lever structure convenient to connect possesses following beneficial effect:

1. the utility model discloses an auxiliary device who sets up, insert the dwang with the pin before putting down the traction lever main part in, put down the traction lever main part immediately, the traction lever main part offsets with the pin and drives the dwang and rotate, extrude the elasticity strip when the dwang rotates, and when the traction lever put down the back, the jack on dwang surface also moves to the same water flat line with the inserted bar, the spring drives the inserted bar immediately and inserts in the jack, fix the dwang, circuit maintenance back, the pulling inserted bar is to the direction motion of keeping away from the jack, the inserted bar leaves back in the jack, the elasticity of elasticity strip passes through the dwang and drives the pin and push up the traction lever main part, thereby reach the effect that does not need artifical pushing up the traction lever main part one by one, and then promoted equipment practicality, pull out the inserted bar after pushing up in the installation pole, prevent that the traction lever main part of circuit breaker can's can't put down when the short circuit.

2. The utility model discloses a protector that sets up, when needing to promote the traction lever main part, rotate the guard plate, the guard plate extrudees the shell fragment when rotating, and the shell fragment takes place to bend and produces elasticity, loosens the guard plate after promoting the traction lever main part, and the elasticity of shell fragment drives the guard plate and resets to prevent that external force from leading to the traction lever main part to take place the motion, influence the normal use of equipment.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of the structure of the housing groove of the present invention;

FIG. 3 is a schematic structural view of the auxiliary device of the present invention;

fig. 4 is a schematic diagram of the structure of fig. 3 according to the present invention;

fig. 5 is a schematic structural view of the protection device of the present invention.

In the figure: 1. a circuit breaker housing; 2. a drawbar body; 3. a housing recess; 4. an auxiliary device; 41. a main shaft; 42. rotating the rod; 43. a stop lever; 44. mounting a plate; 45. an elastic strip; 46. inserting a rod; 47. a jack; 48. a spring; 5. a guard; 51. mounting grooves; 52. mounting a rod; 53. a protection plate; 54. an elastic sheet.

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.

As shown in fig. 1-4, the utility model provides a technical solution: including circuit breaker shell 1, the inside of circuit breaker shell 1 is provided with traction lever main part 2, the quantity of traction lever main part 2 is four and be the equidistance setting, the surface of circuit breaker shell 1 is provided with auxiliary device 4, auxiliary device 4 includes the main shaft 41 that two symmetries set up, the fixed surface of main shaft 41 and circuit breaker shell 1 is connected, the surface of main shaft 41 is all rotated and is installed dwang 42, the inner wall of dwang 42 is inserted and is equipped with pin 43, pin 43 offsets with the surface of traction lever main part 2, the equal fixed mounting in one end that circuit breaker shell 1 was kept away from to main shaft 41 has mounting panel 44, the fixed surface of mounting panel 44 installs elastic strip 45, the one end that mounting panel 44 was kept away from to elastic strip 45 is connected with the fixed surface of dwang 42, jack 47 has all been seted up on the surface of dwang 42, the equal slidable mounting in inner wall of mounting panel 44 has inserted bar 46, the equal fixed mounting in surface of inserted bar 46 has spring 48, the other end and the fixed surface of mounting panel 44 of spring 48 are connected.

The draw bar body 2 is arranged in a circular shape, and the stop lever 43 is abutted against the surface of the draw bar body 2.

Wherein, the end of the inserted link 46 far away from the spring 48 is inserted into the jack 47 and abutted against the inner wall thereof, the stop lever 43 is inserted into the rotating lever 42 before the draw bar body 2 is put down, the draw bar body 2 is immediately put down, the draw bar body 2 abuts against the stop lever 43 and drives the rotating lever 42 to rotate, the rotating lever 42 extrudes the elastic strip 45 when rotating, and after the draw bar is put down, the jack 47 on the surface of the rotating lever 42 also moves to the same horizontal line with the inserted link 46, the spring 48 immediately drives the inserted link 46 to be inserted into the jack 47 to fix the rotating lever 42, after circuit maintenance, the inserted link 46 is pulled to move towards the direction far away from the jack 47, after the inserted link 46 leaves the jack 47, the elastic strip 45 drives the stop lever 43 through the rotating lever 42 to push up the draw bar body 2, thereby achieving the effect of manually pushing up the draw bar body 2 one by one, further improving the practicability of the equipment, the inserted link 46 is pulled out of the installed link 52 after being pushed up, and preventing the draw bar body 2 of the circuit breaker from being unable to be put down when short circuit.

Wherein, the surface of circuit breaker shell 1 is provided with protector 5, and protector 5 includes mounting groove 51, and mounting groove 51 is located the surface of circuit breaker main part and offers, and the inner wall of mounting groove 51 rotates installs installation pole 52, and the fixed surface of installation pole 52 installs guard plate 53, and guard plate 53 is L shape setting,

guard plate

53 and 2 looks adaptations of traction lever main part.

The surface of the circuit breaker main body is fixedly provided with five elastic sheets 54 which are arranged at equal intervals, one end, far away from the circuit breaker main body, of each elastic sheet 54 is fixedly connected with the surface of the protection plate 53, when the draw bar main body 2 needs to be pushed, the protection plate 53 is rotated, the protection plate 53 extrudes the elastic sheets 54 when rotating, the elastic sheets 54 are bent and generate elastic force, the protection plate 53 is loosened after the draw bar main body 2 is pushed, and the elastic force of the elastic sheets 54 drives the protection plate 53 to reset, so that the draw bar main body 2 is prevented from moving due to external force, and normal use of equipment is prevented from being influenced.

Wherein, shell recess 3 has been seted up to the lower surface of circuit breaker shell 1, and the quantity of shell recess 3 is four and is the equidistance and distributes.

The working principle is as follows: through the arranged auxiliary device 4, before the draw bar main body 2 is put down, the stop lever 43 is inserted into the rotary lever 42, the draw bar main body 2 is immediately put down, the draw bar main body 2 abuts against the stop lever 43 and drives the rotary lever 42 to rotate, the rotary lever 42 extrudes the elastic strip 45 when rotating, after the draw bar is put down, the jack 47 on the surface of the rotary lever 42 also moves to be in the same horizontal line with the insert lever 46, the spring 48 drives the insert lever 46 to be inserted into the jack 47 immediately, the rotary lever 42 is fixed, after circuit maintenance, the insert lever 46 is pulled to move towards the direction far away from the jack 47, after the insert lever 46 leaves the jack 47, the elastic force of the elastic strip 45 drives the stop lever 43 to push up the draw bar main body 2 through the rotary lever 42, the effect that the draw bar main body 2 is not required to be pushed up manually is achieved, further, the practicability of the equipment is improved, the insert lever 46 is pulled out of the installation rod 52 after being pushed up, and the draw bar main body 2 of the circuit breaker can not be put down when short circuit.

Through the protection device 5, when the traction rod main body 2 needs to be pushed, the protection plate 53 is rotated, the protection plate 53 extrudes the elastic sheet 54 when rotating, the elastic sheet 54 bends and generates elastic force, the protection plate 53 is loosened after the traction rod main body 2 is pushed, and the elastic force of the elastic sheet 54 drives the protection plate 53 to reset, so that the traction rod main body 2 is prevented from moving due to external force, and the normal use of the equipment is prevented from being influenced.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise expressly specified or limited, the terms "fixedly disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or may be detachably connected, or may be integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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. The utility model provides a moulded case circuit breaker traction lever structure convenient to connect, includes circuit breaker shell (1), its characterized in that: the inside of circuit breaker shell (1) is provided with traction lever main part (2), the quantity of traction lever main part (2) is four and is the equidistance setting, the surface of circuit breaker shell (1) is provided with auxiliary device (4), main shaft (41) that auxiliary device (4) set up including two symmetries, main shaft (41) and the fixed surface of circuit breaker shell (1) are connected, the surface of main shaft (41) is all rotated and is installed dwang (42), the inner wall of dwang (42) is inserted and is equipped with pin (43), pin (43) offset with the surface of traction lever main part (2), the equal fixed mounting of one end that circuit breaker shell (1) was kept away from in main shaft (41) has mounting panel (44), the fixed surface of mounting panel (44) installs elastic strip (45), the one end that mounting panel (44) was kept away from in elastic strip (45) and the fixed surface of dwang (42) are connected, jack (47) have all been seted up on the surface of dwang (42), the equal slidable mounting panel (44) of inner wall has inserted bar (46), the surface of inserted bar (46) all fixed mounting spring (48) and the other end of fixed surface of spring (48) is connected.

2. The drawbar structure of the molded case circuit breaker convenient for connection according to claim 1, wherein: the draw bar main body (2) is arranged in a circular shape, and the stop lever (43) abuts against the surface of the draw bar main body (2).

3. The molded case circuit breaker draw bar structure convenient to connect of claim 1, wherein: one end of the plug rod (46) far away from the spring (48) is inserted into the plug hole (47) and is abutted against the inner wall of the plug hole.

4. The molded case circuit breaker draw bar structure convenient to connect of claim 1, wherein: the surface of circuit breaker shell (1) is provided with protector (5), protector (5) are including mounting groove (51), the surface that mounting groove (51) are located the circuit breaker main part is seted up, the inner wall of mounting groove (51) is rotated and is installed installation pole (52), the fixed surface of installation pole (52) installs guard plate (53), guard plate (53) are L shape setting, guard plate (53) and traction lever main part (2) looks adaptation.

5. The drawbar structure of the molded case circuit breaker convenient for connection according to claim 4, wherein: the surface fixed mounting of circuit breaker main part has shell fragment (54) of five equidistance settings, the one end that circuit breaker main part was kept away from in shell fragment (54) is connected with the fixed surface of guard plate (53).

6. The molded case circuit breaker draw bar structure convenient to connect of claim 1, wherein: shell recess (3) have been seted up to the lower surface of circuit breaker shell (1), the quantity of shell recess (3) is four and is the equidistance and distributes.