CN215578395U

CN215578395U - Moulded case circuit breaker with safety protection structure

Info

Publication number: CN215578395U
Application number: CN202121877540.XU
Authority: CN
Inventors: 郑凯如
Original assignee: Zhejiang Beitai Electronic Electrical Appliance Technology Co ltd
Current assignee: Zhejiang Beitai Electronic Electrical Appliance Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-18
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a molded case circuit breaker with a safety protection structure, which comprises a device body, a toggle switch, a rubber pad and a plastic case, wherein the toggle switch is movably connected to one side of the outside of the device body, and a wiring port is fixedly arranged on one side of the outside of the device body. The protective sleeve is arranged outside the wiring port to play a role in safety protection, meanwhile, the first clamping block at the bottom end of the protective sleeve is inserted into the first clamping groove in the device body, meanwhile, the fixed block on one side of the protective sleeve is inserted into the device body, connection between the device body and the protective sleeve can be completed, when the protective sleeve needs to be disassembled, the first pulling handle movably connected on one side of the device body is pulled, the first pulling handle can extrude the second spring on one side through the second movable block, meanwhile, the first inserting rod on one side of the second movable block is pulled out of the inserting hole in the fixed block, and at the moment, the protective sleeve can be taken down.

Description

Moulded case circuit breaker with safety protection structure

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a molded case circuit breaker with a safety protection structure.

Background

In the field of electrical equipment today, the use of circuit breakers is very widespread. 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. 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 wiring port of the molded case circuit breaker is exposed outside, and a protection device is not arranged, so that certain potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a molded case circuit breaker with a safety protection structure, so as to solve the problem that a wiring port provided in the background technology is exposed outside and is not provided with a protection device.

In order to achieve the purpose, the utility model provides the following technical scheme: a molded case circuit breaker with a safety protection structure comprises a device body, a toggle switch, a rubber pad and a plastic case, one side of the outer part of the device body is movably connected with a toggle switch, one side of the outer part of the device body is fixedly provided with a wiring port, one side of the top end of the device body is movably connected with a first pulling handle, the bottom end of the first pulling handle is fixedly connected with a second movable block, the bottom end of the second movable block is fixedly connected with a first slide block, one side of the second movable block is fixedly connected with a second spring, one side of the second movable block is fixedly connected with a first inserted bar, one side of the outside of the wiring port is provided with a protective sleeve, the bottom end of the protective sleeve is fixedly connected with a first clamping block, the bottom end of one side of the protective sleeve is fixedly provided with a fixed block, one side of fixed block is fixed and is provided with the jack, the outside swing joint of jack has first inserted bar.

Preferably, an indicator light is fixedly arranged on one side of the outer portion of the device body, and a first clamping groove is fixedly arranged at the top end of the device body.

Preferably, one side of the outer part of the device body is movably connected with a rubber pad, and one side of the rubber pad is fixedly connected with a toggle switch.

Preferably, one side of the rubber pad is fixedly connected with a first movable block, and one side of the first movable block is fixedly connected with a first spring.

Preferably, the device body is fixedly connected with a plastic shell outside, and a second clamping groove is fixedly formed in one side of the plastic shell.

Preferably, one side of the plastic shell is fixedly connected with a second clamping block, the top end of the second clamping block is provided with a slot, and one side of the outer portion of the plastic shell is movably connected with a second pulling handle.

Preferably, one side of the second pulling handle is fixedly connected with a third movable block, one side of the third movable block is fixedly connected with a second sliding block, and the bottom end of the third movable block is fixedly connected with a second inserted link.

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

1. according to the molded case circuit breaker with the safety protection structure, the protection sleeve is arranged outside the wiring port to play a safety protection role, meanwhile, the first clamping block at the bottom end of the protection sleeve is inserted into the first clamping groove in the device body, meanwhile, the fixed block on one side of the protection sleeve is inserted into the device body, so that the connection between the device body and the protection sleeve can be completed, when the protection sleeve needs to be disassembled, the first pulling handle movably connected on one side of the device body is pulled, so that the first pulling handle can extrude the second spring on one side through the second movable block, meanwhile, the first inserting rod on one side of the second movable block is pulled out of the inserting hole in the fixed block, and at the moment, the protection sleeve can be taken down;

2. according to the molded case circuit breaker with the safety protection structure, when a tripping condition occurs, the toggle switch is quickly closed by pounding, the toggle switch collides with the rubber pad, the rubber pad extrudes the first spring on one side through the first movable block, and meanwhile, the reaction force extruded by the first spring is mutually offset with the acting force generated by closing the toggle switch, so that a buffering effect is achieved, the toggle switch is protected from being damaged, and the service life of the device is prolonged;

3. this kind of moulded case circuit breaker with safety protection structure, go into the second draw-in groove on the same kind of circuit breaker plastic casing through the second fixture block card on the outside plastic casing of device body, swing joint's second inserted bar inserts the slot on the second fixture block in the plastic casing simultaneously, can accomplish the connection between the same kind of type circuit breaker, when needing to split simultaneously, through the second pulling handle on the pulling plastic casing, can make second pulling handle drive third movable block and remove, and the second inserted bar that makes the third movable block bottom takes out from the slot on the second fixture block, can take out the second fixture block from the slot on the plastic casing this moment and accomplish the split.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the connection structure of the connection port, the first pulling handle and the protection cover of the present invention;

FIG. 3 is a front view of a second pull handle of the present invention;

fig. 4 is a schematic view of a connection structure of the toggle switch and the rubber pad of the present invention.

In the figure: 1. a device body; 101. an indicator light; 102. a first card slot; 2. a toggle switch; 3. a rubber pad; 301. a first movable block; 302. a first spring; 4. a wiring port; 5. a first pull handle; 501. a second movable block; 502. a first slider; 503. a second spring; 504. a first plunger; 6. a protective sleeve; 601. a first clamping block; 602. a fixed block; 603. a jack; 7. a plastic shell; 701. a second card slot; 8. a second fixture block; 801. a slot; 9. a second pull handle; 901. a third movable block; 902. a second slider; 903. a second plunger.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a molded case circuit breaker with a safety protection structure comprises a device body 1, a toggle switch 2, a rubber pad 3 and a plastic case 7, wherein an indicator light 101 is fixedly arranged on one side of the outer part of the device body 1, and the indicator light 101 can play a safety indication role;

the top end of the device body 1 is fixedly provided with a first clamping groove 102, one side of the outer part of the device body 1 is movably connected with a toggle switch 2, one side of the outer part of the device body 1 is movably connected with a rubber pad 3, one side of the rubber pad 3 is fixedly connected with the toggle switch 2, one side of the rubber pad 3 is fixedly connected with a first movable block 301, one side of the first movable block 301 is fixedly connected with a first spring 302, the rubber pad 3 can be hit when the toggle switch 2 is closed, the reaction force of the rubber pad 3 extruding the first spring 302 through the first movable block 301 is offset, and the effect of protecting the toggle switch 2 can be achieved;

a wiring port 4 is fixedly arranged on one side of the outer part of the device body 1 and can be connected with an external circuit through the wiring port 4;

a first pulling handle 5 is movably connected to one side of the top end of the device body 1, a second movable block 501 is fixedly connected to the bottom end of the first pulling handle 5, a first sliding block 502 is fixedly connected to the bottom end of the second movable block 501, a second spring 503 is fixedly connected to one side of the second movable block 501, a first inserting rod 504 is fixedly connected to one side of the second movable block 501, and the device body 1 and the protective sleeve 6 can be fixed by inserting the first inserting rod 504 movably connected in the device body 1 into the fixed block 602 on the fixed block 602;

a protective sleeve 6 is arranged on one side outside the wiring port 4, a first fixture block 601 is fixedly connected to the bottom end of the protective sleeve 6, a fixed block 602 is fixedly arranged on the bottom end of one side of the protective sleeve 6, a jack 603 is fixedly arranged on one side of the fixed block 602, a first inserting rod 504 is movably connected to the outside of the jack 603, and the protective sleeve 6 is arranged outside the wiring port 4 to play a role in safety protection;

device body 1's outside fixedly connected with plastic housing 7, one side of plastic housing 7 is fixed and is provided with second draw-in groove 701, one side fixedly connected with second fixture block 8 of plastic housing 7, the top of second fixture block 8 is provided with slot 801, one side swing joint of plastic housing 7 outside has second pulling handle 9, one side fixedly connected with third movable block 901 of second pulling handle 9, one side fixedly connected with second slider 902 of third movable block 901, the bottom fixedly connected with second inserted bar 903 of third movable block 901, insert the second draw-in groove 701 on the same kind of circuit breaker plastic housing 7 through the second fixture block 8 of plastic housing 7 one side, swing joint's second inserted bar 903 inserts slot 801 on the second fixture block 8 on the plastic housing 7 simultaneously, can accomplish the connection of the same kind of circuit breaker.

When the embodiment of the application is used: the protective sleeve 6 is arranged outside the wiring port 4 to play a safety protection role, meanwhile, the first clamping block 601 at the bottom end of the protective sleeve 6 is inserted into the first clamping groove 102 on the device body 1, meanwhile, the fixed block 602 at one side of the protective sleeve 6 is inserted into the device body 1, the connection between the device body 1 and the protective sleeve 6 can be completed, when the protective sleeve 6 needs to be disassembled, the first pulling handle 5 movably connected at one side of the device body 1 is pulled to extrude the second spring 503 at one side through the second movable block 501, meanwhile, the first inserting rod 504 at one side of the second movable block 501 is pulled out from the inserting hole 603 on the fixed block 602, at the moment, the protective sleeve 6 can be taken down, when tripping occurs, the toggle switch 2 is rapidly turned off by smashing, and the toggle switch 2 can collide with the rubber pad 3, make rubber pad 3 through the first spring 302 of first movable block 301 extrusion one side, the extruded reaction force of first spring 302 simultaneously can close the effort of production with toggle switch 2 and offset each other, plays cushioning effect, and protection toggle switch 2 does not receive the damage.

Claims

1. A molded case circuit breaker with a safety protection structure is characterized by comprising a device body (1), a toggle switch (2), a rubber pad (3) and a plastic case (7), wherein one side of the outside of the device body (1) is movably connected with the toggle switch (2), one side of the outside of the device body (1) is fixedly provided with a wiring port (4), one side of the top end of the device body (1) is movably connected with a first pulling handle (5), the bottom end of the first pulling handle (5) is fixedly connected with a second movable block (501), the bottom end of the second movable block (501) is fixedly connected with a first sliding block (502), one side of the second movable block (501) is fixedly connected with a second spring (503), one side of the second movable block (501) is fixedly connected with a first inserting rod (504), one side of the outside of the wiring port (4) is provided with a protective sleeve (6), the bottom end of protective sheath (6) is fixedly connected with first fixture block (601), the bottom end of protective sheath (6) one side is fixed and is provided with fixed block (602), the fixed jack (603) that is provided with in one side of fixed block (602), the outside swing joint of jack (603) has first inserted bar (504).

2. The molded case circuit breaker with safety protection structure as claimed in claim 1, wherein: the device is characterized in that an indicator light (101) is fixedly arranged on one side of the outer portion of the device body (1), and a first clamping groove (102) is fixedly arranged at the top end of the device body (1).

3. The molded case circuit breaker with safety protection structure as claimed in claim 1, wherein: one side of the outer part of the device body (1) is movably connected with a rubber pad (3), and one side of the rubber pad (3) is fixedly connected with a toggle switch (2).

4. A molded case circuit breaker with safety protection structure according to claim 3, characterized in that: one side fixedly connected with first movable block (301) of rubber pad (3), one side fixedly connected with first spring (302) of first movable block (301).

5. The molded case circuit breaker with safety protection structure as claimed in claim 1, wherein: the device is characterized in that a plastic shell (7) is fixedly connected to the outer portion of the device body (1), and a second clamping groove (701) is fixedly formed in one side of the plastic shell (7).

6. The molded case circuit breaker with safety protection structure as claimed in claim 5, wherein: one side fixedly connected with second fixture block (8) of plastic casing (7), the top of second fixture block (8) is provided with slot (801), one side swing joint of plastic casing (7) outside has second pulling handle (9).

7. The molded case circuit breaker with safety protection structure as claimed in claim 6, wherein: one side of the second pulling handle (9) is fixedly connected with a third movable block (901), one side of the third movable block (901) is fixedly connected with a second sliding block (902), and the bottom end of the third movable block (901) is fixedly connected with a second inserting rod (903).