CN213340251U - Quick-release type plastic shell circuit breaker - Google Patents

Abstract

The utility model discloses a quick detach type moulded case circuit breaker, including circuit breaker body and fixed case, the front of circuit breaker body and the equal fixed mounting in the back have an installation piece, two the mounting hole has all been seted up to the top and the below of installation piece one side, the spacing groove has all been seted up, two to the inside top and the below of mounting hole the equal slidable mounting in inside of spacing groove has the stopper. This quick detach type moulded case circuit breaker, this practicality is through circuit breaker body, spacing groove, stopper, mounting hole, first pull ring, first dog, fixed case, slider, spout, dead lever, movable rod, second dog, second pull ring, installation piece, spacing hole, locating part, through-hole, the cooperation of gag lever post and spring is used to realized installing and removing fast to the circuit breaker body, make the circuit breaker body can be fine install on fixed case, avoid the direct mount to need to set up the mounting hole and carry out the later stage through the screw and fix.

Description

Quick-release type plastic shell circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a quick detach type moulded case circuit breaker.

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 for a predetermined 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.

However, traditional quick detach type moulded case circuit breaker on the market at present installs fixedly through the screw, and after the circuit breaker used for a long time, when needing to change inside circuit breaker subassembly, when needing to pull down the circuit breaker, very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell circuit breaker is moulded to quick detach type to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a quick-release type plastic shell circuit breaker comprises a circuit breaker body and a fixed box, wherein mounting blocks are fixedly mounted on the front surface and the back surface of the circuit breaker body, mounting holes are formed in the upper portion and the lower portion of one side of each of the two mounting blocks, limiting grooves are formed in the upper portion and the lower portion of the inner portion of each mounting hole, limiting blocks are slidably mounted in the two limiting grooves, a limiting rod is fixedly mounted between the two limiting blocks, a first stop block is fixedly mounted at one end of the limiting rod, a first pull ring is fixedly mounted on one side, away from the limiting rod, of the first stop block, through holes are formed in the upper portion and the lower portion, close to one side of the circuit breaker body, of the fixed box, sliding grooves are formed in one side of the inner wall of the fixed box, the number of the sliding grooves is two, fixed rods are fixedly mounted in the inner portion of the fixed box, the number of the, one side fixed mounting of slider has the movable rod, and the quantity of movable rod is two, two the equal fixed mounting in top of movable rod has the second dog, the top fixed mounting of second dog has the second pull ring, the locating part has all been welded with the below in the top of movable rod outer wall, spacing hole has been seted up on the outer wall of gag lever post, the spring has been cup jointed to the top of dead lever outer wall.

As a further aspect of the present invention: the quantity of through-hole is four, and four through-holes equally divide and arrange for two sets of equidistance in the one side that fixed case is close to the circuit breaker body.

As a further aspect of the present invention: the top of the sliding block is provided with a sliding hole matched with the fixed rod, and the sliding block is connected with the fixed rod in a sliding mode through the sliding hole formed in the top of the sliding block.

As a further aspect of the present invention: the limiting piece is in an inverted L shape.

As a further aspect of the present invention: one end of the spring is fixedly connected with the top of the inner wall of the fixed box, and the spring is located between the sliding block close to the top of the inner wall of the fixed box and the top of the inner wall of the fixed box.

As a further aspect of the present invention: the through hole is the same as the mounting hole in size, and the limiting rod is connected with the through hole in a sliding mode.

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

the utility model discloses a circuit breaker body, the spacing groove, the stopper, the mounting hole, first pull ring, first dog, fixed case, the slider, the spout, the dead lever, the movable rod, the second dog, the second pull ring, the installation piece, spacing hole, the locating part, the through-hole, the cooperation of gag lever post and spring is used, thereby realized installing and removing fast to the circuit breaker body, make the circuit breaker body can be fine install on fixed case, it needs to set up the mounting hole and carries out the later stage through the screw and fix to avoid the direct mount, through the quick connection structure of circuit breaker body and fixed case, the installation and the dismantlement of carrying out the circuit breaker body that can be quick, conveniently change the circuit breaker body, be worth promoting, the people's of being.

Drawings

Fig. 1 is a schematic structural diagram of a quick-release type plastic case circuit breaker;

fig. 2 is a side view of a quick release type molded case circuit breaker;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 of a quick release type molded case circuit breaker.

In the figure: the circuit breaker comprises a circuit breaker body 1, a limiting groove 2, a limiting block 3, a mounting hole 4, a first pull ring 5, a first stop block 6, a fixed box 7, a sliding block 8, a sliding groove 9, a fixed rod 10, a movable rod 11, a second stop block 12, a second pull ring 13, a mounting block 14, a limiting hole 15, a limiting part 16, a through hole 17, a limiting rod 18 and a spring 19.

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.

Referring to fig. 1-3, in the embodiment of the present invention, a quick-release type plastic case circuit breaker comprises a circuit breaker body 1 and a fixed case 7, wherein both the front and back of the circuit breaker body 1 are fixedly installed with installation blocks 14, both the upper and lower portions of one side of each of the two installation blocks 14 are provided with installation holes 4, both the upper and lower portions of the inside of each installation hole 4 are provided with limiting grooves 2, both the inside of each limiting groove 2 is slidably installed with a limiting block 3, a limiting rod 18 is fixedly installed between the two limiting blocks 3, the limiting rod 18 is slidably connected with the installation hole 4, one end of the limiting rod 18 is fixedly installed with a first stop 6, one side of the first stop 6 away from the limiting rod 18 is fixedly installed with a first pull ring 5, both the upper and lower portions of the fixed case 7 near one side of the circuit breaker body 1 are provided with through holes 17, one side of the inner wall of the fixed case 7, the fixed box 7 is internally and fixedly provided with two fixed rods 10, the number of the fixed rods 10 is two, the upper part and the lower part of the outer wall of the two fixed rods 10 are both sleeved with a slide block 8, the slide block 8 is in sliding connection with a slide groove 9, one side of the slide block 8 is fixedly provided with a movable rod 11, the number of the movable rods 11 is two, the top end of each movable rod 11 penetrates through the top of the inner wall of the fixed box 7, the top ends of the two movable rods 11 are both fixedly provided with a second stop block 12, the top part of the second stop block 12 is fixedly provided with a second pull ring 13, the upper part and the lower part of the outer wall of each movable rod 11 are both welded with a limiting part 16, the outer wall of each limiting rod 18 is provided with a limiting hole 15, the limiting holes 15 are in sliding connection with the limiting parts 16, the upper part of the outer wall of the fixed rods 10 is sleeved with a, the top of slider 8 is seted up the slide opening with dead lever 10 looks adaptation, and slider 8 is through the slide opening and the dead lever 10 sliding connection that its top was seted up, and the shape of locating part 16 is the type of falling L, the one end and the fixed 7 inner wall top fixed connection of fixed case 7 of spring 19, and spring 19 is located between the inner wall top of slider 8 and fixed case 7 that is close to with fixed 7 inner wall top, and through-hole 17 is the same with mounting hole 4's size, and gag lever post 18 and through-hole 17 sliding connection.

The utility model discloses a theory of operation is:

when the breaker body 1 is required to be disassembled, two second pull rings 13 are pulled, the second pull rings 13 drive the second stop blocks 12 to move, the movable rod 11 moves along with the second stop blocks 12, the movable rod 11 drives the sliding block 8 to slide and slide on the outer wall of the fixed rod 10, the sliding block 8 extrudes the spring 19 in the process of sliding upwards on the outer wall of the fixed rod 10, meanwhile, the movement of the movable rod 11 drives the limiting piece 16 to be separated from the inside of the limiting hole 15, so that the limiting piece 16 loses the limiting on the limiting rod 18, the first pull ring 5 is pulled to drive the first stop block 6 to move, the limiting rod 18 moves along with the first stop block 6, the limiting rod 18 drives the limiting block 3 to slide on the limiting groove 2, and the limiting rod 18 moves out from the inside of the fixed box 7 through the through hole 17 in the process of moving, at the moment, the breaker body 1 and the fixed box 7 are not connected completely, the breaker body 1 can be detached together with the mounting block 14, otherwise, when the breaker body 1 is mounted, the limiting rod 18 enters the inside of the fixing box 7, the second pull ring 13 is released, then the slide block 8 is driven to move downwards under the elastic action of the spring 19, the slide block 8 drives the limiting piece 16 to be clamped in the limiting hole 15 through the movable rod 11, the limiting rod 18 is limited to complete the installation of the breaker body 1, thereby realizing the rapid assembly and disassembly of the breaker body 1, the circuit breaker body 1 can be well arranged on the fixed box 7, the direct installation is avoided, the installation holes are required to be arranged for later fixing through screws, and through the quick connection structure of the circuit breaker body 1 and the fixed box 7, the installation and the dismantlement of carrying out circuit breaker body 1 that can be quick conveniently change circuit breaker body 1, are worth promoting, the people's of being convenient for use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a quick detach type moulded case circuit breaker, includes circuit breaker body (1) and fixed case (7), its characterized in that: the front and the back of the breaker body (1) are both fixedly provided with mounting blocks (14), mounting holes (4) are respectively formed above and below one side of each of the two mounting blocks (14), limiting grooves (2) are respectively formed above and below the inside of each mounting hole (4), limiting blocks (3) are respectively slidably mounted inside each of the two limiting grooves (2), a limiting rod (18) is fixedly mounted between the two limiting blocks (3), one end of each limiting rod (18) is fixedly provided with a first stop block (6), one side of each first stop block (6) far away from the corresponding limiting rod (18) is fixedly provided with a first pull ring (5), through holes (17) are respectively formed above and below one side of each fixing box (7) close to the breaker body (1), one side of the inner wall of each fixing box (7) is provided with a sliding groove (9), and the number of the sliding grooves (9) is two, the inside fixed mounting of fixed case (7) has dead lever (10), and the quantity of dead lever (10) is two, two the top and the below of dead lever (10) outer wall all overlap and are equipped with slider (8), one side fixed mounting of slider (8) has movable rod (11), and the quantity of movable rod (11) is two, two the equal fixed mounting in top of movable rod (11) has second dog (12), the top fixed mounting of second dog (12) has second pull ring (13), locating part (16) have all been welded with the below in the top of movable rod (11) outer wall, spacing hole (15) have been seted up on the outer wall of gag lever post (18), spring (19) have been cup jointed to the top of dead lever (10) outer wall.

2. The quick release type molded case circuit breaker according to claim 1, wherein: the quantity of through-hole (17) is four, and four through-holes (17) equally divide and arrange for two sets of equidistance in one side that fixed case (7) are close to circuit breaker body (1).

3. The quick release type molded case circuit breaker according to claim 1, wherein: the top of the sliding block (8) is provided with a sliding hole matched with the fixed rod (10), and the sliding block (8) is connected with the fixed rod (10) in a sliding mode through the sliding hole formed in the top of the sliding block.

4. The quick release type molded case circuit breaker according to claim 1, wherein: the limiting piece (16) is in an inverted L shape.

5. The quick release type molded case circuit breaker according to claim 1, wherein: one end of the spring (19) is fixedly connected with the top of the inner wall of the fixed box (7), and the spring (19) is positioned between the sliding block (8) close to the top of the inner wall of the fixed box (7) and the top of the inner wall of the fixed box (7).

6. The quick release type molded case circuit breaker according to claim 1, wherein: the through hole (17) is the same as the mounting hole (4) in size, and the limiting rod (18) is connected with the through hole (17) in a sliding mode.

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