CN216084752U

CN216084752U - Small-size electronic molded case circuit breaker and draw bar thereof

Info

Publication number: CN216084752U
Application number: CN202122760279.1U
Authority: CN
Inventors: 张银春; 马云龙; 郭健
Original assignee: Shanghai Suntr Electric Co ltd
Current assignee: Shanghai Suntr Electric Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-03-18
Anticipated expiration: 2031-11-11

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a small-size electronic molded case circuit breaker and a traction rod thereof.

Description

Small-size electronic molded case circuit breaker and draw bar thereof

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a small-size electronic molded case circuit breaker and a draw bar thereof.

Background

The molded case circuit breaker can automatically cut off current after the current exceeds a trip setting, the molded case refers to a case which uses a plastic insulator as a device and is used for isolating conductors and grounding metal parts, the molded case circuit breaker is divided into a thermomagnetic molded case circuit breaker and an electronic molded case circuit breaker according to different tripping units.

At present, a draw bar is an important part in a small-size electronic molded case circuit breaker, and the draw bar is generally fixedly arranged in the molded case circuit breaker and is inconvenient to replace, so that the problem is solved by the small-size electronic molded case circuit breaker and the draw bar thereof.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a small-volume electronic molded case circuit breaker and a draw bar thereof, so as to solve the problems in the background technology.

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

the utility model provides a little volume electronic type moulded case circuit breaker and traction lever thereof, includes moulded case circuit breaker body and traction lever, installation mechanism is installed to the outer wall of traction lever, installation mechanism includes mount pad, shock pad, fixture block, fixed plate, connecting plate, pivot, buckle and leads to groove, damper is installed to the outer wall of moulded case circuit breaker body, damper includes shock-absorbing rod, piston plate, damping spring and shock attenuation sleeve.

As a preferable scheme of the utility model, the mounting seats are mounted on two sides of the traction rod, the bottom of the mounting seat is provided with the shock absorption pad, the front and the back of the mounting seat are both provided with the clamping blocks, the top of the mounting seat is provided with the fixing plate, the front and the back of the fixing plate are both provided with the connecting plate, the connecting plate is internally provided with the rotating shaft, the front of the rotating shaft is fixedly connected with the buckling plate, the buckling plate is internally provided with the through grooves at positions corresponding to the clamping blocks, and the front of the mounting seat and the template are provided with the clamping blocks at positions corresponding to the through grooves.

As a preferable scheme of the present invention, the damping rod is installed at a left corner of the molded case circuit breaker body, a piston plate is installed at a left end of the damping rod, a damping spring is fixedly connected to a left end of the piston plate, and a damping sleeve is installed on an outer wall of the piston plate.

As a preferable scheme of the utility model, the two groups of mounting mechanisms are arranged and are symmetrically arranged on the outer wall of the traction rod.

According to the preferable scheme of the utility model, the mounting seat, the fixing plate, the buckle plate and the fixture block are all made of ABS plastic, the shape of the mounting seat is matched with that of the traction rod, the through groove is connected with the fixture block in a clamping manner, the rotating shaft is connected with the connecting plate in a rotating manner, and the shape of the through groove is matched with that of the fixture block.

As a preferable scheme of the present invention, the damping rod and the damping sleeve are made of aluminum alloy, the damping spring and the damping sleeve are fixedly connected, and the piston plate and the damping sleeve and the damping rod and the damping sleeve are slidably connected.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, through arranging the draw bar, the molded case circuit breaker body and the mounting mechanism, a worker mounts the draw bar in the molded case circuit breaker body, when the draw bar needs to be replaced, the worker opens the molded case circuit breaker body, pulls the buckle plate, the buckle plate rotates outwards around the rotating shaft, the buckle plate is separated from the clamping block, the worker takes out the draw bar after taking off the fixed plate, puts the new draw bar in the mounting seat, puts the fixed plate back to the top of the mounting seat, pushes the buckle plate, the buckle plate rotates around the rotating shaft in the reverse direction, the clamping block enters the through groove of the buckle plate and clamps the buckle plate, so that the fixed plate fixes the top of the mounting seat, the fixed plate fixes the new draw bar in the mounting seat, thereby completing the replacement of the draw bar, the replacement operation is more convenient, the problem that the draw bar is an important part in the small-size electronic molded case circuit breaker at present is solved, the draw bar is generally fixedly mounted in the molded case circuit breaker, the replacement is inconvenient.

2. In the utility model, the damping mechanism is arranged, so that the damping mechanism can absorb external vibration, and the influence of the external vibration on the operation of the molded case circuit breaker body is avoided.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a partial front cross-sectional view of the shock absorbing sleeve of the present invention;

fig. 3 is a partial front view of the mount of the present invention.

In the figure: 1. a molded case circuit breaker body; 2. a draw bar; 3. an installation mechanism; 4. a damping mechanism; 301. a mounting seat; 302. a shock pad; 303. a clamping block; 304. a fixing plate; 305. a connecting plate; 306. a rotating shaft; 307. buckling the plate; 308. a through groove; 401. a shock-absorbing lever; 402. a piston plate; 403. a damping spring; 404. shock attenuation sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a small-size electronic molded case circuit breaker and traction lever thereof, including molded case circuit breaker body 1 and traction lever 2, installation mechanism 3 is installed to the outer wall of traction lever 2, installation mechanism 3 includes mount pad 301, shock pad 302, fixture block 303, fixed plate 304, connecting plate 305, pivot 306, buckle 307 and logical groove 308, damper 4 is installed to the outer wall of molded case circuit breaker body 1, damper 4 includes shock-absorbing rod 401, piston plate 402, damping spring 403 and damping sleeve 404, installation mechanism 3 is provided with two sets ofly, and two sets of installation mechanism 3 symmetry sets up the outer wall at traction lever 2.

In the embodiment, referring to fig. 1 and 3, the mounting seat 301 is installed at two sides of the drawbar 2, the shock absorbing pad 302 is installed at the bottom of the mounting seat 301, the front surface and the back surface of the mounting seat 301 are both provided with the clamping blocks 303, the top of the mounting seat 301 is provided with the fixing plate 304, the front surface and the back surface of the fixing plate 304 are both provided with the connecting plate 305, the inside of the connecting plate 305 is provided with the rotating shaft 306, the front surface of the rotating shaft 306 is fixedly connected with the buckling plate 307, the inside of the buckling plate 307 is provided with the through grooves 308 at the positions corresponding to the clamping blocks 303, the front surface of the mounting seat 301 and the template are provided with the clamping blocks 303, the mounting seat 301 and the fixing plate 304 at the positions corresponding to the through grooves 308, the buckle 307 and the fixture block 303 are both made of ABS plastic, the shape of the mounting seat 301 is matched with that of the traction rod 2, the through groove 308 is connected with the fixture block 303 in a clamping manner, the rotating shaft 306 is connected with the connecting plate 305 in a rotating manner, and the shape of the through groove 308 is matched with that of the fixture block 303;

the worker installs the draw bar 2 inside the molded case circuit breaker body 1, when the draw bar 2 needs to be replaced, the worker opens the molded case circuit breaker body 1, pulls the buckle 307, the buckle 307 rotates outwards around the rotating shaft 306, the buckle 307 is separated from the clamping block 303, the worker can take out the draw bar 2 after taking down the fixing plate 304, the worker puts the new draw bar 2 into the mounting seat 301, the fixing plate 304 is put back to the top of the mounting seat 301, the buckle 307 is pushed, the buckle 307 rotates around the rotating shaft 306 in the reverse direction, the clamping block 303 enters the through groove 308 of the buckle 307 and clamps the buckle 307, the fixing plate 304 fixes the top of the mounting seat 301, the fixing plate 304 fixes the new draw bar 2 in the mounting seat 301, therefore, the replacement of the draw bar 2 is completed, and the replacement operation is convenient.

In an embodiment, referring to fig. 1 and 2, a damping rod 401 is installed at a left corner of a molded case circuit breaker body 1, a piston plate 402 is installed at a left end of the damping rod 401, a damping spring 403 is fixedly connected to a left end of the piston plate 402, a damping sleeve 404 is installed on an outer wall of the piston plate 402, the damping rod 401 and the damping sleeve 404 are made of aluminum alloy, the damping spring 403 and the damping sleeve 404 are fixedly connected, and the piston plate 402 and the damping sleeve 404 as well as the damping rod 401 and the damping sleeve 404 are both connected in a sliding manner;

when the outside sends out vibrations, vibrations can be transmitted to the shock-absorbing sleeve 404, the shock-absorbing sleeve 404 can vibrate up and down along the shock-absorbing rod 401, and when the shock-absorbing sleeve 404 rotates, the piston plate 402 can change the volume of air in the shock-absorbing sleeve 404, so that a part of the vibration energy is converted into the heat of the air, and meanwhile, the shock-absorbing spring 403 can absorb the rest vibration energy, so that the vibration energy transmitted to the molded case circuit breaker body 1 is reduced.

The working process of the utility model is as follows: a worker installs the draw bar 2 inside the molded case circuit breaker body 1, when the draw bar 2 needs to be replaced, the worker opens the molded case circuit breaker body 1, pulls the buckle 307, the buckle 307 rotates outwards around the rotating shaft 306, the buckle 307 is separated from the clamping block 303, the worker can take out the draw bar 2 after taking down the fixing plate 304, the worker puts the new draw bar 2 into the mounting seat 301, puts the fixing plate 304 back to the top of the mounting seat 301, pushes the buckle 307, the buckle 307 rotates around the rotating shaft 306 in the reverse direction, the clamping block 303 enters the through groove 308 of the buckle 307 and clamps the buckle 307, so that the fixing plate 304 fixes the top of the mounting seat 301, the fixing plate 304 fixes the new draw bar 2 in the mounting seat 301, the replacement of the draw bar 2 is completed, and the replacement operation is convenient;

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a little volume electronic type moulded case circuit breaker and traction lever thereof, includes moulded case circuit breaker body (1) and traction lever (2), its characterized in that: installation mechanism (3) are installed to the outer wall of traction lever (2), installation mechanism (3) are including mount pad (301), shock pad (302), fixture block (303), fixed plate (304), connecting plate (305), pivot (306), buckle (307) and lead to groove (308), damper (4) are installed to the outer wall of moulded case circuit breaker body (1), damper (4) are including shock attenuation pole (401), piston plate (402), damping spring (403) and shock attenuation sleeve (404).

2. The small-sized electronic molded case circuit breaker and the draw bar thereof according to claim 1, wherein: install the both sides at traction lever (2) mount pad (301), shock pad (302) are installed to the bottom of mount pad (301), fixture block (303) are all installed to mount pad (301) front and back, fixed plate (304) are installed at the top of mount pad (301), connecting plate (305) are all installed to fixed plate (304) front and back, the internally mounted of connecting plate (305) has pivot (306), the front fixedly connected with buckle (307) of pivot (306), buckle (307) inside just seted up logical groove (308) in fixture block (303) corresponding position department, fixture block (303) are just installed in logical groove (308) corresponding position department to front and the template of mount pad (301).

3. The small-sized electronic molded case circuit breaker and the draw bar thereof according to claim 1, wherein: the shock-absorbing rod (401) is installed at the left corner of the molded case circuit breaker body (1), a piston plate (402) is installed at the left end of the shock-absorbing rod (401), a shock-absorbing spring (403) is fixedly connected to the left end of the piston plate (402), and a shock-absorbing sleeve (404) is installed on the outer wall of the piston plate (402).

4. The small-sized electronic molded case circuit breaker and the draw bar thereof according to claim 1, wherein: the two groups of mounting mechanisms (3) are arranged, and the two groups of mounting mechanisms (3) are symmetrically arranged on the outer wall of the traction rod (2).

5. The small-sized electronic molded case circuit breaker and the draw bar thereof according to claim 1, wherein: the mounting seat (301), the fixing plate (304), the buckle plate (307) and the clamping block (303) are made of ABS plastic, the shape of the mounting seat (301) is matched with that of the traction rod (2), the through groove (308) is connected with the clamping block (303) in a clamping mode, the rotating shaft (306) is connected with the connecting plate (305) in a rotating mode, and the through groove (308) is matched with the clamping block (303) in shape.

6. The small-sized electronic molded case circuit breaker and the draw bar thereof according to claim 1, wherein: the shock absorption device is characterized in that the shock absorption rod (401) and the shock absorption sleeve (404) are made of aluminum alloy, the shock absorption spring (403) is fixedly connected with the shock absorption sleeve (404), and the piston plate (402) is in sliding connection with the shock absorption sleeve (404) and the shock absorption rod (401) is in sliding connection with the shock absorption sleeve (404).