CN212411966U

CN212411966U - Plastic case type circuit breaker convenient to install

Info

Publication number: CN212411966U
Application number: CN202021320329.3U
Authority: CN
Inventors: 叶委行; 寇文良; 张占岭; 魏雪莲; 曹海霞
Original assignee: Tianjin Haiyuan Automatic Control System Co ltd
Current assignee: Tianjin Haiyuan Automatic Control System Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-01-26
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a plastic casing formula circuit breaker convenient to installation, including shell and circuit breaker body, the draw-in groove has been seted up on the left side outer wall of circuit breaker body, the draw-in groove joint have rather than assorted fixture block, the left end fixed connection of fixture block is connected with the telescopic link, the second spring has been cup jointed on the telescopic link, the one end welding of telescopic link is on the right side inner wall of shell, the second spring has been cup jointed on the telescopic link, second spring right-hand member and fixture block welding. The utility model discloses a set up stop gear, telescopic link, second spring, fixture block and draw-in groove for when the installation, the installation that circuit breaker body and shell can be firm is in the same place, does not worry that the circuit breaker body drops from the shell, need not install with the bolt moreover, has improved the efficiency of installation greatly, also convenient to detach simultaneously.

Description

Plastic case type circuit breaker convenient to install

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a plastics shell type circuit breaker convenient to installation.

Background

The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition, achieving an effect of closing, and carrying and opening/closing a current under an abnormal circuit condition within a prescribed time. 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 existing plastic shell type circuit breaker is generally installed through bolts, so that the installation is inconvenient, and the installation work efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art plastic casing circuit breaker and generally installing through the bolt, inconvenient installation influences the work efficiency's of installation problem, and the plastic casing circuit breaker convenient to installation that provides.

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

the utility model provides a plastics shell type circuit breaker convenient to installation, includes shell and circuit breaker body, the draw-in groove has been seted up on the left side outer wall of circuit breaker body, the draw-in groove joint has rather than assorted fixture block, the left end fixed connection of fixture block is connected with the telescopic link, the second spring has been cup jointed on the telescopic link, the one end welding of telescopic link is on the right side inner wall of shell, the second spring has been cup jointed on the telescopic link, second spring right-hand member and fixture block welding, the right side inner wall welding of second spring left end and shell, the spout has all been seted up to the outer wall of the upper and lower bottom of circuit breaker body, be provided with moving mechanism on the spout, be provided with heat dissipation mechanism and stop gear on the shell.

The moving mechanism comprises a rotating wheel, a support and a rotating shaft, the rotating wheel is in interference fit with the rotating shaft, the rotating shaft is rotatably connected onto the support through a bearing, the support is welded with the inner wall of the right side of the shell, and the rotating wheel is in sliding connection with the sliding groove.

The heat dissipation mechanism comprises heat dissipation holes and a dust screen, wherein the heat dissipation holes are uniformly distributed on the upper bottom and the right side wall of the shell, the heat dissipation holes are cylindrical, and the dust screen is connected with the hole walls of the heat dissipation holes in a gluing mode.

Stop gear includes first recess, stopper, first spring, T type piece, second recess, first through-hole, third recess and pull ring, first recess is seted up on the left side outer wall of circuit breaker body, second recess, through-hole and third recess all set up on the shell, go to the bottom the end on the lateral wall, stopper and first recess joint, the one end and the T type piece fixed connection of stopper, T type piece runs through second recess, through-hole and third recess, T type piece cup joints with first spring, one section and the stopper welding of first spring, the other end of first spring and the tank bottom welding of second recess, the one end and the pull ring welding of T type piece.

The tank bottom undercut of first recess is arc, the terminal surface arch of stopper left side lateral wall is the hemisphere, the shape size of stopper, T type piece respectively with second recess, third recess phase-match, the through-hole is cylindrically.

The support is the rectangle structure, the even equidistant setting of runner is on the support, fixture block right side wall terminal surface arch is the hemisphere, the tank bottom undercut of draw-in groove is arc.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up stop gear, telescopic link, second spring, fixture block and draw-in groove for when the installation, the installation that circuit breaker body and shell can be firm is in the same place, does not worry that the circuit breaker body drops from the shell, need not install with the bolt moreover, has improved the efficiency of installation greatly, also convenient to detach simultaneously.

2. The utility model discloses a set up louvre and dust screen, make the heat that the circuit breaker body produced when using, can follow the louvre release and go out, the dust screen can prevent that external dust from getting into the louvre and causing the louvre to block up, and then ensures the stable heat dissipation of circuit breaker body.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of the structure of the circuit breaker body of the present invention;

fig. 3 is an enlarged schematic view of the limiting mechanism 1 of the present invention;

FIG. 4 is an enlarged schematic view of the moving mechanism of the present invention;

FIG. 5 is an enlarged view of the heat dissipation mechanism of the present invention;

fig. 6 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: the circuit breaker comprises a shell 1, a circuit breaker body 2, a heat dissipation mechanism 3, a heat dissipation hole 31, a dust screen 32, a moving mechanism 4, a rotating wheel 41, a support 42, a rotating shaft 43, a telescopic rod 5, a second spring 6, a clamping block 7, a clamping groove 8, a limiting mechanism 9, a first groove 91, a limiting block 92, a first spring 93, a T-shaped block 94, a second groove 95, a through hole 96, a third groove 97, a pull ring 98 and a sliding groove 10.

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. 1-6, a plastics shell type circuit breaker convenient to installation, including shell 1 and circuit breaker body 2, draw-in groove 8 has been seted up on the left side outer wall of circuit breaker body 2, draw-in groove 8 joint has rather than assorted fixture block 7, the left end fixed connection of fixture block 7 is connected with telescopic link 5, telescopic link 5 is cup jointed by son pole and female pole and forms, second spring 6 has been cup jointed on telescopic link 5, the one end welding of telescopic link 5 is on the right side inner wall of shell 1, second spring 6 has been cup jointed on

telescopic link

5, 6 right-hand members of second spring and fixture block 7 welding, 6 left ends of second spring and the right side inner wall welding of shell 1, circuit breaker body 2 is last, spout 10 has all been seted up to the outer wall of lower bottom, be provided with moving mechanism 4 on spout 10, be provided with heat dissipation mechanism 3 and stop.

The moving mechanism 4 comprises a rotating wheel 41, a bracket 42 and a rotating shaft 43, wherein the rotating wheel 41 is in interference fit with the rotating shaft, the rotating shaft is rotatably connected to the bracket 42 through a bearing, the bracket 42 is welded with the right inner wall of the shell 1, and the rotating wheel 41 is in sliding connection with the sliding chute 10.

Heat dissipation mechanism 3 includes louvre 31 and dust screen 32, louvre 31 evenly distributed on the upper and lower and right side lateral wall of shell 1, louvre 31 is cylindrical, and dust screen 32 splices with the pore wall of louvre 31, and the heat that circuit breaker body 2 produced when using can be released away from louvre 31, and dust screen 32 can prevent that external dust from getting into louvre 31 and causing louvre 31 to block up, and influences the heat dissipation of circuit breaker body 2.

The limiting mechanism 9 comprises a first groove 91, a limiting block 92, a first spring 93, a T-shaped block 94, a second groove 95, a first through hole 96, a third groove 97 and a pull ring 98, the first groove 91 is arranged on the outer wall of the left side of the circuit breaker body 2, the second groove 95, the through hole 96 and the third groove 97 are arranged on the shell 1, the side wall of the lower bottom end is arranged on the shell 1, the limiting block 92 is clamped with the first groove 91, one end of the limiting block 92 is fixedly connected with the T-shaped block 94, the T-shaped block 94 penetrates through the second groove 95, the through hole 96 and the third groove 97, the T-shaped block 94 is sleeved with the first spring 93, one section of the first spring 93 is welded with the limiting block 92, the other end of the first spring 93 is welded with the bottom of the second groove 95, and one end of the T-shaped block 94 is.

The groove bottom of the first groove 91 is downwards sunken to form an arc shape, the end surface of the side wall on the left side of the limiting block 92 is protruded to form a hemisphere shape, the limiting block 92 and the T-shaped block 94 are respectively matched with the second groove 95 and the third groove 97 in shape and size, and the through hole 96 is cylindrical.

The support 42 is of a rectangular structure, the rotating wheels 41 are uniformly arranged on the support 42 at equal intervals, the end face of the right side wall of the fixture block 7 is convex in a hemispherical shape, and the bottom of the clamping groove 8 is concave downwards and is in a circular arc shape.

The working principle is as follows:

when the circuit breaker is installed, firstly, the pull ring 98 is pulled, the first spring 93 contracts, the T-shaped block 94 drives the limit block 92 to move until the limit block 92 completely moves into the second groove 95, then the chute 10 on the circuit breaker body 2 is aligned with the rotating wheel 41, the circuit breaker body 2 is pushed into the shell 1 from the right side through the sliding connection of the rotating wheel 41 and the chute 10 until the fixture block 7 abuts against the bottom of the clamping groove 8, the telescopic rod 5 and the second spring 6 contract simultaneously, then the pull ring 98 is released, then the circuit breaker body 2 is released, the first spring 93 and the second spring 6 both rebound, the telescopic rod 5 extends, the limit block 92 moves out of the second groove 95, so that the fixture block 7 is clamped with the clamping groove 8, the limit block 92 is clamped with the first groove 91, so that the circuit breaker body 2 is fixed in the shell 1, when the circuit breaker is disassembled, the circuit breaker body 2 is pressed rightwards first, the stopper 92 is separated from the first groove 91, and the pull ring 98 is pulled until the stopper 92 is completely moved into the second groove 95, and then the circuit breaker body 2 is pulled out leftward from the case 1.

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. The plastic shell type circuit breaker convenient to install comprises a shell (1) and a circuit breaker body (2) and is characterized in that a clamping groove (8) is formed in the outer wall of the left side of the circuit breaker body (2), a clamping block (7) matched with the clamping groove (8) is clamped in the clamping groove (8), a telescopic rod (5) is fixedly connected to the left end of the clamping block (7), a second spring (6) is sleeved on the telescopic rod (5), one end of the telescopic rod (5) is welded to the inner wall of the right side of the shell (1), the second spring (6) is sleeved on the telescopic rod (5), the right end of the second spring (6) is welded to the clamping block (7), the left end of the second spring (6) is welded to the inner wall of the right side of the shell (1), sliding grooves (10) are formed in the outer walls of the upper bottom end and the lower bottom end of the circuit breaker body (2), and a moving mechanism (, the shell (1) is provided with a heat dissipation mechanism (3) and a limiting mechanism (9).

2. The plastic case type circuit breaker convenient to install of claim 1, wherein the moving mechanism (4) comprises a rotating wheel (41), a bracket (42) and a rotating shaft (43), the rotating wheel (41) is in interference fit with the rotating shaft, the rotating shaft is rotatably connected to the bracket (42) through a bearing, the bracket (42) is welded with the right inner wall of the case (1), and the rotating wheel (41) is in sliding connection with the sliding chute (10).

3. The plastic case type circuit breaker convenient for installation according to claim 1, wherein the heat dissipation mechanism (3) comprises heat dissipation holes (31) and a dust screen (32), the heat dissipation holes (31) are uniformly distributed on the upper, lower and right side walls of the case (1), the heat dissipation holes (31) are cylindrical, and the dust screen (32) is glued to the hole walls of the heat dissipation holes (31).

4. The plastic case type circuit breaker convenient to install according to claim 1, wherein the limiting mechanism (9) comprises a first groove (91), a limiting block (92), a first spring (93), a T-shaped block (94), a second groove (95), a first through hole (96), a third groove (97) and a pull ring (98), the first groove (91) is arranged on the outer wall of the left side of the circuit breaker body (2), the second groove (95), the through hole (96) and the third groove (97) are arranged on the side walls of the upper and lower bottom ends of the case (1), the limiting block (92) is clamped with the first groove (91), one end of the limiting block (92) is fixedly connected with the T-shaped block (94), the T-shaped block (94) penetrates through the second groove (95), the through hole (96) and the third groove (97), the T-shaped block (94) is sleeved with the first spring (93), one section of the first spring (93) is welded with the limiting block (92), the other end of the first spring (93) is welded with the groove bottom of the second groove (95), and one end of the T-shaped block (94) is welded with the pull ring (98).

5. The easy-to-mount plastic case type circuit breaker of claim 4, wherein the bottom of the first groove (91) is concave downward and is in the shape of a circular arc, the end surface of the left side wall of the limiting block (92) is convex and is in the shape of a hemisphere, the limiting block (92) and the T-shaped block (94) are respectively matched with the second groove (95) and the third groove (97), and the through hole (96) is in the shape of a cylinder.

6. The plastic case type circuit breaker as claimed in claim 2, wherein the bracket (42) has a rectangular structure, the rotating wheels (41) are uniformly and equally spaced on the bracket (42), the end surface of the right sidewall of the latch (7) is convex in a hemispherical shape, and the bottom of the slot (8) is concave downward in a circular arc shape.