CN211654727U - Miniature circuit breaker with electric leakage protection function - Google Patents

Abstract

The utility model discloses a miniature circuit breaker with earth leakage protect function, including device shell, first buckle, second fixture block, button and third fixture block, the draw-in groove is evenly installed to the inside one side lateral wall of device shell, and the inside of draw-in groove is provided with the second buckle, the lateral wall that draw-in groove one side was kept away from to the second buckle is installed the circuit breaker body, the inside bottom of device shell is close to the one end of draw-in groove and installs first spring, and installs the first buckle that runs through device shell bottom on the first spring top, the device shell bottom is close to the one end of first buckle and installs third motor housing, and the bottom of the inside device shell of third motor housing transversely installs third torque motor. This miniature circuit breaker with earth leakage protection function maintains the demolising of circuit breaker body through the draw-in groove, through with second buckle card in the draw-in groove after the maintenance is accomplished for can be convenient safety more when dismantling the maintenance to the device.

Description

Miniature circuit breaker with electric leakage protection function

Technical Field

The utility model relates to a low-voltage apparatus technical field specifically is a miniature circuit breaker with earth leakage protection function.

Background

Miniature circuit breaker with earth leakage protection, generally, it forms to assemble side by side for earth leakage protector and miniature circuit breaker, be equipped with one set of dropout subassembly in the miniature circuit breaker, realize the linkage through link gear between the two, input inscription wire and hookup end wire of circuit breaker pass on the seat shell of previous circuit breaker and input inscription wire guide and hookup end wire guide on the cover shell until passing the hole on the earth leakage protector seat shell, input inscription wire passes zero sequence transformer among the earth leakage protector and hookup end wire joint be the power input of each phase circuit breaker all through zero sequence transformer, traditional miniature circuit breaker with earth leakage protection function can satisfy people's user demand basically, but still there is certain problem, concrete problem is as follows:

1. most of miniature circuit breakers with the leakage protection function in the current market need to be pried by using a screwdriver to install a buckle part in the installation process, so that the circuit breakers are easily damaged;

2. most of miniature circuit breakers with the leakage protection function in the current market need to be installed by using a screwdriver in the process of installing cable conductors, so that time is consumed, and certain risks also exist;

3. most of miniature circuit breakers with the leakage protection function in the current market are inconvenient to detach when being replaced due to problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature circuit breaker with earth leakage protect function 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 miniature circuit breaker with an electric leakage protection function comprises a device shell, a first buckle, a second clamping block, a button and a third clamping block, wherein a clamping groove is uniformly arranged on the side wall of one side in the device shell, a second buckle is arranged in the clamping groove, the side wall of the second buckle, which is far away from one side of the clamping groove, is provided with a circuit breaker body, one end of the bottom end in the device shell, which is close to the clamping groove, is provided with a first spring, a first buckle penetrating the bottom end of the device shell is arranged at the top end of the first spring, a third motor shell is arranged at one end of the bottom end of the device shell, which is close to the first buckle, and a third torsion motor is transversely installed at the bottom end of the device shell in the third motor shell, a wire outlet is formed in the bottom end of the device shell, far away from one side of the first buckle, in the third motor shell, and a third clamping block is installed on the side wall, far away from one side of the third motor shell, in the wire outlet.

Preferably, the side wall of the first buckle close to one side of the third motor shell is provided with a groove, and the output end of the third torque motor is provided with a top block penetrating into the groove.

Preferably, a fourth clamping block is arranged inside the third clamping block, a second motor shell is installed at the bottom end, far away from one side of the third motor shell, of the device shell of the third clamping block, a second motor supporting block is installed at the bottom end of the device shell inside the second motor shell, a second torque motor is transversely installed at the bottom end of the second motor supporting block, an insulating rod penetrating through the device shell is installed at the output end of the second torque motor, and a second insulating bolt penetrating through the third clamping block is installed on the side wall, far away from one side of the second torque motor, of the insulating rod.

Preferably, the battery is installed to the inside bottom of the device shell that first buckle is close to outlet one side, the one end that third motor housing was kept away from on the device shell top is kept away from one side on third motor housing top and is installed first motor housing, the lateral wall that third motor housing one side was kept away from to first motor housing evenly installs the button, the inside top of the device shell that first buckle one side was kept away from to the device shell is provided with the incoming line mouth, and the incoming line is inside to be kept away from third motor housing one side lateral wall and to install the second fixture block.

Preferably, a first fixture block far away from the side wall of one side of the button is installed inside the second fixture block, a first motor support block is vertically installed at the top end of a device shell inside the first motor shell, a first torsion motor is transversely installed at the top end of the first motor support block, a first insulation bolt penetrating through the device shell and extending to the inside of the second fixture block is installed at the output end of the first torsion motor, and the output end of the storage battery is electrically connected with the input ends of the first torsion motor, the second torsion motor and the third torsion motor through wires.

Preferably, the arc extinguishing shell is all evenly installed to the lateral wall that third fixture block and second fixture block are close to circuit breaker body one side, the inside circuit breaker body one side lateral wall of keeping away from of arc extinguishing shell is installed and is risen the shrinkage pole, and rises the shrinkage pole and be close to the lateral wall of circuit breaker body one side and install the contact block, the second spring is installed to the outside lateral wall that rises the shrinkage pole.

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

1. the first spring, the first buckle, the button, the second motor supporting block, the third torque motor and the ejector block are arranged, the third torque motor drives the ejector block to push the first buckle downwards through the button, then the device is installed at a set position, after the installation is finished, the third torque motor is controlled to rotate through the second motor supporting block to loosen the first buckle, and meanwhile, the first buckle is buckled at the set position under the action of the force of the first spring, so that the device can be installed more conveniently;

2. meanwhile, the device is provided with a wire inlet, a first insulating bolt, a first clamping block, a first torsion motor, a button, a second torsion motor, a second insulating bolt and a wire outlet, the first torsion motor is controlled by the button to rotate to drive the first insulating bolt to lock a wire placed in the first clamping block through the wire inlet, after the power supply is locked, the second torsion motor is controlled by the button to rotate to drive the second insulating bolt to rotate, and the wire placed in the second insulating bolt through the wire outlet is locked, so that the device can be installed more conveniently;

3. meanwhile, the device is maintained through the dismounting of the circuit breaker body by installing the second buckle, the clamping groove and the circuit breaker body, and the second buckle is clamped in the clamping groove after the maintenance is completed, so that the device can be more convenient and safer when being dismounted and maintained.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a right side view of the structure of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 4 is a schematic diagram of the internal circuit structure of the present invention.

In the figure: 1. a device housing; 2. a first spring; 3. a first buckle; 4. a second buckle; 5. a card slot; 6. a wire inlet; 7. a first insulating bolt; 8. a first clamping block; 9. a second fixture block; 10. a first torque motor; 11. a first motor housing; 12. a button; 13. a first motor support block; 14. a circuit breaker body; 15. a second motor support block; 16. a second motor housing; 17. a second torque motor; 18. an insulating rod; 19. a third fixture block; 20. a second insulating bolt; 21. a fourth fixture block; 22. an outlet; 23. A third motor housing; 24. a third torque motor; 25. a storage battery; 26. a top block; 27. a contact block; 28. lifting and shrinking the rod; 29. a second spring; 30. an arc extinguishing housing; 31. and (4) a groove.

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. 1-4, the present invention provides an embodiment: a miniature circuit breaker with an electric leakage protection function comprises a device shell 1, a first buckle 3, a second clamping block 9, a button 12 and a third clamping block 19, wherein a clamping groove 5 is uniformly arranged on the side wall of one side in the device shell 1, a second buckle 4 is arranged in the clamping groove 5, a circuit breaker body 14 is arranged on the side wall of the second buckle 4 far away from one side of the clamping groove 5, a first spring 2 is arranged at one end, close to the clamping groove 5, of the bottom end in the device shell 1, and the first buckle 3 penetrating through the bottom end of the device shell 1 is arranged at the top end of the first spring 2;

a groove 31 is formed in the side wall of the first buckle 3 close to one side of the third motor shell 23, and an ejector block 26 penetrating into the groove 31 is installed at the output end of the third torque motor 24, so that the device is convenient to install;

the bottom end of the inside of the device shell 1, close to the wire outlet 22, of the first buckle 3 is provided with a storage battery 25, the type of the storage battery 25 can be TQY-4S12, one end, far away from the top end of the third motor shell 23, of the top end of the device shell 1 is provided with a first motor shell 11, one side, far away from the top end of the third motor shell 23, of the top end of the device shell 1 is provided with a button 12, one side, far away from the third motor shell 23, of the first motor shell 11 is provided with a button 12, the top end of the inside of the device shell 1, far away from the first buckle 3, of the device shell 1 is provided with a wire inlet 6, the side wall, far away from the third motor shell 23;

a first fixture block 8 far away from the side wall of the button 12 is installed inside the second fixture block 9, a first motor support block 13 is vertically installed at the top end of the device shell 1 inside the first motor shell 11, a first torsion motor 10 is transversely installed at the top end of the first motor support block 13, the type of the first torsion motor 10 can be 12SSN10, a first insulating bolt 7 penetrating through the device shell 1 and extending into the second fixture block 9 is installed at the output end of the first torsion motor 10, the output end of the storage battery 25 is electrically connected with the input ends of the first torsion motor 10, the second torsion motor 17 and the third torsion motor 24 through wires respectively, and the wires are attached to the device more tightly after being installed;

a third motor housing 23 is mounted at one end of the bottom end of the device housing 1 close to the first buckle 3, a third torsion motor 24 is transversely mounted at the bottom end of the device housing 1 inside the third motor housing 23, the type of the third torsion motor 24 can be 12SSN20, a wire outlet 22 is arranged at the bottom end of the device housing 1 at one side of the third motor housing 23 far away from the first buckle 3, and a third clamping block 19 is mounted at the side wall of one side of the wire outlet 22 far away from the third motor housing 23;

a fourth clamping block 21 is arranged in the third clamping block 19, a second motor shell 16 is arranged at the bottom end of the device shell 1 on one side, away from the third motor shell 23, of the third clamping block 19, a second motor supporting block 15 is arranged at the bottom end of the device shell 1 in the second motor shell 16, a second torque motor 17 is transversely arranged at the bottom end of the second motor supporting block 15, the type of the second torque motor 17 can be 12SSN15, an insulating rod 18 penetrating into the device shell 1 is arranged at the output end of the second torque motor 17, and a second insulating bolt 20 penetrating through the third clamping block 19 is arranged on the side wall, away from the second torque motor 17, of the insulating rod 18, so that the power supply outgoing line installation is more convenient;

the arc extinguishing shell 30 is evenly installed on the side wall of one side, close to the breaker body 14, of the third clamping block 19 and the second clamping block 9, the lifting and contracting rod 28 is installed on the side wall, far away from one side of the breaker body 14, of the arc extinguishing shell 30, the contact block 27 is installed on the side wall, close to one side of the breaker body 14, of the lifting and contracting rod 28, the second spring 29 is installed on the side wall, on the outer side, of the lifting and contracting rod 28, and the replacement can be conveniently carried out after the device is out.

The working principle is as follows: when the miniature circuit breaker with the leakage protection function is used, the third torsion motor 24 drives the top block 26 to push the first buckle 3 downwards through the button 12 when the miniature circuit breaker with the leakage protection function is used, then the device is installed at a set position, the button 12 controls the third torsion motor 24 to rotate after the installation to loosen the first buckle 3, meanwhile, the first buckle 3 is buckled at the set position under the force of the first spring 2, the first torsion motor 10 is controlled to rotate through the button 12 after the device is installed to drive the first insulating bolt 7 to lock a cable placed in the first clamping block 8 through the wire inlet 6, after the power wire inlet is locked, the second torsion motor 17 is controlled to rotate through the button 12 to drive the second insulating bolt 20 to rotate, the cable placed in the second insulating bolt 20 through the wire outlet 22 is locked, when the main body part of the device goes wrong, the circuit breaker body 14 is dismantled through the clamping groove 5, dismantle the maintenance to the device, the maintenance is accomplished the back and is being in draw-in groove 5 through 4 cards with the second buckle, contacts the device through contact block 27 simultaneously, does above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a miniature circuit breaker with electric leakage protect function, includes device shell (1), first buckle (3), second fixture block (9), button (12) and third fixture block (19), its characterized in that: the device comprises a device shell (1), wherein a clamping groove (5) is uniformly arranged on the side wall of one side in the device shell (1), a second buckle (4) is arranged in the clamping groove (5), the side wall of one side of the clamping groove (5) is far away from the second buckle (4), a breaker body (14) is arranged on the side wall of one side of the clamping groove (5), a first spring (2) is arranged at one end, close to the clamping groove (5), of the bottom end in the device shell (1), a first buckle (3) penetrating through the bottom end of the device shell (1) is arranged at the top end of the first spring (2), a third motor shell (23) is arranged at one end, close to the first buckle (3), of the bottom end of the device shell (1) in the device shell (23), a third torsion motor (24) is transversely arranged at the bottom end of the device shell (1) in the third motor shell (23), and a, and a third clamping block (19) is arranged on the side wall of one side of the outlet (22) far away from the third motor shell (23).

2. A small-sized circuit breaker with an electric leakage protection function according to claim 1, characterized in that: the lateral wall that first buckle (3) is close to third motor housing (23) one side is provided with recess (31), ejector pad (26) that run through to recess (31) inside are installed to the output of third torque motor (24).

3. A small-sized circuit breaker with an electric leakage protection function according to claim 1, characterized in that: the device is characterized in that a fourth fixture block (21) is arranged inside the third fixture block (19), a second motor shell (16) is installed at the bottom end of the device shell (1) far away from one side of a third motor shell (23) of the third fixture block (19), a second motor supporting block (15) is installed at the bottom end of the device shell (1) inside the second motor shell (16), a second torque motor (17) is transversely installed at the bottom end of the second motor supporting block (15), an insulating rod (18) penetrating through the device shell (1) is installed at the output end of the second torque motor (17), and a second insulating bolt (20) penetrating through the third fixture block (19) is installed on the side wall, far away from one side of the second torque motor (17), of the insulating rod (18).

4. A small-sized circuit breaker with an electric leakage protection function according to claim 1, characterized in that: battery (25) are installed to the inside bottom of device shell (1) that first buckle (3) are close to outlet (22) one side, one side of keeping away from third motor housing (23) top is kept away from to the one end that third motor housing (23) was kept away from on device shell (1) top is installed first motor housing (11), button (12) are evenly installed to the lateral wall of keeping away from third motor housing (23) one side in first motor housing (11), the inside top of device shell (1) of keeping away from first buckle (3) one side in device shell (1) is provided with inlet wire (6), and inlet wire (6) inside keeps away from third motor housing (23) one side lateral wall and installs second fixture block (9).

5. A miniature circuit breaker with earth leakage protection function according to claim 4, characterized in that: the improved motor is characterized in that a first clamping block (8) far away from the side wall of one side of the button (12) is installed inside the second clamping block (9), a first motor supporting block (13) is vertically installed at the top end of an inner device shell (1) of the first motor shell (11), a first torsion motor (10) is transversely installed at the top end of the first motor supporting block (13), a first insulating bolt (7) penetrating through the device shell (1) and extending to the inside of the second clamping block (9) is installed at the output end of the first torsion motor (10), and the output end of the storage battery (25) is electrically connected with the input ends of the first torsion motor (10), the second torsion motor (17) and the third torsion motor (24) through wires.

6. A small-sized circuit breaker with an electric leakage protection function according to claim 1, characterized in that: arc extinguishing shell (30) are all evenly installed to the lateral wall that third fixture block (19) and second fixture block (9) are close to circuit breaker body (14) one side, arc extinguishing shell (30) inside keeps away from circuit breaker body (14) one side lateral wall and installs scaling rod (28), and scaling rod (28) are close to the lateral wall of circuit breaker body (14) one side and install contact block (27), second spring (29) are installed to the outside lateral wall of scaling rod (28).

Images