CN110993424B

CN110993424B - Integrated flame-retardant leakage air switch device

Info

Publication number: CN110993424B
Application number: CN201911409136.7A
Authority: CN
Inventors: 刘伯强
Original assignee: Hebei Huanengyuan Electric Power Equipment Co ltd
Current assignee: Hebei Huanengyuan Electric Power Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-08-31
Anticipated expiration: 2039-12-31
Also published as: CN110993424A

Abstract

The invention relates to the technical field of safe power distribution, in particular to an integrated flame-retardant leakage air switch device which does not need to connect a wiring terminal of an air circuit breaker by using a parallel live wire, is convenient for later maintenance, reduces potential safety hazards and improves the practicability and comprises a distribution box, wherein a placing cavity is arranged in the distribution box, a maintenance opening is arranged at the front end of the distribution box, a box cover is arranged at the maintenance opening, a mounting plate is arranged in the placing cavity, and a leakage protector and the air circuit breaker are arranged at the front end of the mounting plate; still include two mounting brackets, the insulating case, a plurality of adjusting screw and a plurality of adjusting bolt, the inside of insulating case is provided with the working chamber, transversely is provided with the bar groove on the back lateral wall of working chamber to install the conducting strip at the bar inslot, the top of insulating case, front end and bottom are provided with horizontal first bar hole, second bar hole and third bar hole respectively, still include a plurality of sliding blocks, adjusting nut, screwed pipe, four directions slider, lead electrical pillar and spliced pole.

Description

Integrated flame-retardant leakage air switch device

Technical Field

The invention relates to the technical field of safe power distribution, in particular to an integrated flame-retardant leakage air switch device.

Background

As is well known, leakage protectors and air circuit breakers are standard distributed in household distribution boxes, which are widely used in the field of household distribution; the existing integrated flame-retardant leakage air switch device comprises a distribution box, wherein a placing cavity is arranged inside the distribution box, a maintenance opening is formed in the front end of the distribution box, a box cover is arranged at the maintenance opening, a mounting plate is arranged in the placing cavity, and a leakage protector and an air circuit breaker are arranged at the front end of the mounting plate; when the existing integrated flame-retardant leakage air switch device is used, a plurality of parallel live wires need to be connected to a wiring terminal of an air circuit breaker, wires are disorderly and disorderly, later maintenance is inconvenient, and certain potential safety hazards exist.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the integrated flame-retardant leakage air switch device which does not need to connect the wiring terminals of the air circuit breaker by using parallel live wires, is convenient for later maintenance, reduces potential safety hazards and improves practicability.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an integrated flame-retardant leakage air switch device comprises a distribution box, wherein a placing cavity is arranged inside the distribution box, a maintenance opening is formed in the front end of the distribution box, a box cover is arranged at the maintenance opening, a mounting plate is arranged in the placing cavity, and a leakage protector and an air circuit breaker are arranged at the front end of the mounting plate; the back ends of the two mounting frames are respectively connected with the left end and the right end of the rear side wall of the placing cavity, the insulating box is arranged between the two mounting frames, the insulating box is positioned above the air circuit breaker, the inside of the insulating box is provided with a working cavity, the rear side wall of the working cavity is transversely provided with a strip-shaped groove, a conducting strip is arranged in the strip-shaped groove, the front end surface of the conducting strip and the rear side wall of the working cavity are positioned in the same vertical plane, the left end of the insulating box is provided with a first connecting terminal, the first connecting terminal is electrically connected with the conducting strip, the working cavity is internally provided with a plurality of sliding blocks, the sliding blocks are arranged in the working cavity in a sliding manner, the top end of the insulating box is provided with a transverse first strip-shaped hole, the front end of the insulating box is provided with a transverse second strip-shaped hole, the bottom end of the insulation box is provided with a transverse third strip-shaped hole, the rear ends of the plurality of adjusting screw rods penetrate through the second strip-shaped hole from the front end of the insulation box and extend into the working cavity, the rear end of each adjusting screw rod is fixedly connected with the front end of one sliding block, the front ends of the plurality of adjusting screw rods are provided with adjusting nuts in a screwed mode, the top ends of the plurality of sliding blocks are provided with threaded pipes, the top ends of the threaded pipes penetrate through the first strip-shaped hole in the working cavity and extend out to the upper side of the insulation box, a square cavity in the vertical direction is arranged inside each sliding block, a square sliding block is arranged in the square cavity in a sliding mode, the top of the square cavity is provided with a through hole communicated with the threaded pipes, the bottom end of each adjusting screw rod penetrates through one threaded pipe and extends into the square cavity and is rotatably connected with the top end of one square sliding block, and a round hole is communicated with the lower side of the square cavity, the round hole is internally provided with a conductive column, the top end of the conductive column is fixedly connected with the bottom end of the square sliding block, the bottom end of the conductive column penetrates through a third strip-shaped hole to the lower part of the insulating box from the working cavity and is inserted into a wiring hole above the air circuit breaker, the rear end of the conductive column is provided with a connecting column, and the rear end of the connecting column is tightly attached to the front end of the conductive sheet.

Preferably, an insulating sheath is arranged outside the conductive column.

Preferably, the top end of the insulation box is provided with a taking and placing opening, a cover plate is arranged at the taking and placing opening, and the cover plate is connected with the insulation box through bolts.

Preferably, the four fourth holes in the front-back direction are formed in the two mounting frames, and the left end and the right end of the insulating box are connected with the two mounting frames through bolts.

Preferably, the top of the placing cavity is provided with a zero line row, and the bottom of the placing cavity is provided with a ground line row.

Preferably, the sliding block and the square sliding block are both made of insulating composite materials, and the outer side of the square sliding block is in contact with the inner side wall of the square cavity.

Preferably, all transversely be provided with the sliding tray on the preceding lateral wall of working chamber and the back lateral wall, the front end and the rear end of a plurality of sliding blocks all are provided with two pulleys, the pulley slides and sets up in the sliding tray.

Preferably, the conducting strip, the conducting column and the connecting column are all made of copper materials.

(III) advantageous effects

Compared with the prior art, the invention provides an integrated flame-retardant leakage air switch device, which has the following beneficial effects: the integrated flame-retardant leakage air switch device is characterized in that a live wire connected out by a leakage protector is electrically connected with a first connecting terminal, a sliding block is transversely moved to a proper position, the bottom end of a conductive column is positioned above a wiring hole of an air circuit breaker, then the sliding block is fixed by a rotating nut, a square sliding block is pressed downwards by rotating an adjusting bolt, the square sliding block slides downwards along a square cavity and drives the conductive column to move downwards, the bottom end of the conductive column is inserted into the wiring hole of the air circuit breaker and is connected with a circuit, a connecting column electrically connected with the conductive column is just attached to the conductive column at the moment, so that the circuit is connected without connecting the connecting terminals of the air circuit breaker by using the parallel live wire, the working cavity is orderly, the square sliding block is driven by reversely rotating the adjusting bolt to move upwards during later maintenance, the circuit is disconnected, and later maintenance is convenient, the potential safety hazard is reduced, and the practicability is improved.

Drawings

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

FIG. 2 is a schematic plan view of the structure of FIG. 1;

FIG. 3 is a schematic perspective view of the insulating case of the present invention;

FIG. 4 is a schematic view of another angular configuration of FIG. 3;

FIG. 5 is a left side view of the insulation box;

in the drawings, the reference numbers: 1. a distribution box; 2. a box cover; 3. mounting a plate; 4. a leakage protector; 5. an air circuit breaker; 6. a mounting frame; 7. an insulating case; 8. adjusting the screw rod; 9. adjusting the bolt; 10. a conductive sheet; 11. a first connection terminal; 12. a slider; 13. a first bar-shaped hole; 14. a second bar-shaped hole; 15. a third strip-shaped hole; 16. adjusting the nut; 17. a threaded pipe; 18. a square cavity; 19. a square sliding block; 20. a conductive post; 21. connecting columns; 22. an insulating sheath; 23. a cover plate; 24. a fourth aperture; 25. zero line arrangement; 26. a ground line row; 27. a sliding groove; 28. a pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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, and not all of the embodiments. 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. 1-5, the integrated flame-retardant leakage air switch device of the invention comprises a distribution box 1, wherein a placing cavity is arranged inside the distribution box 1, a maintenance port is arranged at the front end of the distribution box 1, a box cover 2 is arranged at the maintenance port, a mounting plate 3 is arranged in the placing cavity, and a leakage protector 4 and an air circuit breaker 5 are arranged at the front end of the mounting plate 3; the air circuit breaker is characterized by further comprising two mounting frames 6, an insulating box 7, a plurality of adjusting screws 8 and a plurality of adjusting bolts 9, wherein the rear ends of the two mounting frames 6 are respectively connected with the left end and the right end of the rear side wall of the placing cavity, the insulating box 7 is installed between the two mounting frames 6, the insulating box 7 is positioned above the air circuit breaker 5, a working cavity is arranged inside the insulating box 7, a strip-shaped groove is transversely formed in the rear side wall of the working cavity, a conducting strip 10 is installed in the strip-shaped groove, the front end face of the conducting strip 10 and the rear side wall of the working cavity are positioned in the same vertical plane, a first wiring terminal 11 is arranged at the left end of the insulating box 7, the first wiring terminal 11 is electrically connected with the conducting strip 10, a plurality of sliding blocks 12 are arranged in the working cavity, the plurality of sliding blocks 12 are arranged in the working cavity in a sliding manner, a, the front end of the insulating box is provided with a transverse second strip-shaped hole 14, the bottom end of the insulating box is provided with a transverse third strip-shaped hole 15, the rear ends of the adjusting screws 8 penetrate through the second strip-shaped hole 14 from the front end of the insulating box 7 and extend into the working cavity, the rear end of each adjusting screw is fixedly connected with the front end of one sliding block 12, the front ends of the adjusting screws 8 are respectively provided with an adjusting nut 16 in a threaded manner, the top ends of the sliding blocks 12 are respectively provided with a threaded pipe 17, the top ends of the threaded pipes 17 penetrate through the first strip-shaped holes 13 from the working cavity and extend to the upper part of the insulating box 7, the sliding blocks 12 are respectively provided with a square cavity 18 in a vertical direction inside, a square sliding block 19 is arranged in the square cavity 18 in a sliding manner, the top part of the square cavity 18 is provided with a through hole communicated with the threaded pipe 17, the bottom end of each adjusting bolt 9 penetrates through one threaded pipe 17 and extends into the square cavity 18 and is rotatably connected with the top end of one square sliding block 19, a round hole is communicated below the square cavity 18, a conductive column 20 is arranged in the round hole, the top end of the conductive column 20 is fixedly connected with the bottom end of the square sliding block 19, the bottom end of the conductive column 20 penetrates through a third strip-shaped hole 15 from the working cavity to the lower part of the insulating box 7 and is inserted into a wiring hole above the air circuit breaker 5, a connecting column 21 is arranged at the rear end of the conductive column 20, and the rear end of the connecting column 21 is tightly attached to the front end of the conductive sheet 10; the live wire connected out by the earth leakage protector 4 is electrically connected with the first wiring terminal 11, the sliding block 12 is transversely moved to a proper position, the bottom end of the conductive column 20 is positioned above the wiring hole of the air circuit breaker 5, then the sliding block 12 is fixed by rotating the nut, the square sliding block 19 is pressed downwards by rotating the adjusting bolt 9, the square sliding block 19 slides downwards along the square cavity 18 and drives the conductive column 20 to move downwards, the bottom end of the conductive column 20 is inserted into the wiring hole of the air circuit breaker 5 and is connected with a circuit, the connecting column 21 electrically connected with the conductive column 20 is just attached to the conductive column 10 at the moment, so that the circuit is connected, the wiring terminal of the air circuit breaker 5 is not required to be connected by the parallel live wire, the working cavity is orderly, during later maintenance, the square sliding block 19 is driven by reversely rotating the adjusting bolt 9 to move upwards, the circuit is disconnected, and later maintenance is facilitated, the potential safety hazard is reduced, and the practicability is improved.

According to the integrated flame-retardant leakage air switch device, the insulating sheath 22 is arranged on the outer side of the conductive column 20; the exposed conductive posts 20 can be wrapped by the insulating sheath 22 for improved safety.

According to the integrated flame-retardant leakage air switch device, the top end of the insulating box 7 is provided with the taking and placing opening, the taking and placing opening is provided with the cover plate 23, and the cover plate 23 is connected with the insulating box 7 through the bolt; slider 12 can be picked and placed as desired through pick and place ports.

According to the integrated flame-retardant leakage air switch device, the two mounting frames 6 are respectively provided with the fourth holes 24 in the front and back directions, and the left end and the right end of the insulating box 7 are connected with the two mounting frames 6 through bolts; adjust around convenient going on insulating case 7 through fourth bar hole 24, guarantee to lead the bottom of electrical pillar 20 and can just insert in air circuit breaker 5's the wiring hole.

According to the integrated flame-retardant leakage air switch device, the top of the placing cavity is provided with the zero line row 25, and the bottom of the placing cavity is provided with the ground line row 26; the neutral and ground wires are connected by a neutral wire row 25 and a ground wire row 26.

According to the integrated flame-retardant leakage air switch device, the sliding block 12 and the square sliding block 19 are both made of insulating composite materials, and the outer side of the square sliding block 19 is in contact with the inner side wall of the square cavity 18; the safety is improved.

According to the integrated flame-retardant leakage air switch device, sliding grooves 27 are transversely formed in the front side wall and the rear side wall of the working cavity, two pulleys 28 are arranged at the front end and the rear end of each sliding block 12, and the pulleys 28 are arranged in the sliding grooves 27 in a sliding mode; sliding stability of sliding block 12 in the working cavity is guaranteed by sliding of pulley 28 along sliding groove 27, and the rear end of connecting column 21 can be tightly attached to the front end of conducting strip 10, and a vertical groove communicated with sliding groove 27 is formed in the position of taking and placing opening, so that sliding block 12 can be conveniently dismounted.

According to the integrated flame-retardant leakage air switch device, the conducting plate 10, the conducting column 20 and the connecting column 21 are all made of copper materials; and the conductive effect is ensured.

The invention relates to an integrated flame-retardant leakage air switch device, when in use, a live wire connected out by a leakage protector 4 is electrically connected with a first connecting terminal 11, a sliding block 12 is transversely moved to a proper position, the bottom end of a conductive column 20 is positioned above a wiring hole of an air circuit breaker 5, then the sliding block 12 is fixed by rotating a nut, a square sliding block 19 is pressed downwards by rotating an adjusting bolt 9, the square sliding block 19 slides downwards along a square cavity 18 and drives the conductive column 20 to move downwards, the bottom end of the conductive column 20 is inserted into the wiring hole of the air circuit breaker 5 and is connected with a circuit, a connecting column 21 electrically connected with the conductive column 20 is just attached to a conductive sheet 10 tightly, so that the circuit is connected, the connecting terminal of the air circuit breaker 5 is not required to be connected by a parallel live wire, the working cavity is orderly, when in later maintenance, the square sliding block 19 drives the conductive column 20 to move upwards by reversely rotating the adjusting bolt 9, the open circuit can, make things convenient for later maintenance, reduce the potential safety hazard, improve the practicality, conveniently carry out the fore-and-aft regulation to insulating box 7 through second bar hole 14, guarantee that the bottom of leading electrical pillar 20 can just insert in air circuit breaker 5's the wiring hole, along sliding tray 27 lateral sliding through pulley 28, guarantee sliding block 12 at the gliding stability of working chamber, and guarantee that spliced pole 21's rear end can paste tightly with the front end of conducting pillar 10, get and put a mouthful department be provided with the communicating perpendicular groove of sliding tray 27, make things convenient for dismouting sliding block 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. An integrated flame-retardant leakage air switch device comprises a distribution box (1), wherein a placing cavity is arranged inside the distribution box (1), a maintenance opening is formed in the front end of the distribution box (1), a box cover (2) is arranged at the maintenance opening, a mounting plate (3) is arranged in the placing cavity, and a leakage protector (4) and an air circuit breaker (5) are arranged at the front end of the mounting plate (3); the air circuit breaker is characterized by further comprising two mounting frames (6), an insulating box (7), a plurality of adjusting screws (8) and a plurality of adjusting bolts (9), the rear ends of the two mounting frames (6) are respectively connected with the left end and the right end of the rear side wall of the placing cavity, the insulating box (7) is installed between the two mounting frames (6), the insulating box (7) is located above the air circuit breaker (5), the inside of the insulating box (7) is provided with a working cavity, the rear side wall of the working cavity is transversely provided with a strip-shaped groove, a conducting strip (10) is installed in the strip-shaped groove, the front end face of the conducting strip (10) and the rear side wall of the working cavity are located in the same vertical plane, the left end of the insulating box (7) is provided with a first wiring terminal (11), the first wiring terminal (11) is electrically connected with the conducting strip (10), a plurality of sliding blocks (12) are arranged in the working cavity, the sliding blocks (12) are arranged in the working cavity in a sliding mode, a transverse first strip-shaped hole (13) is formed in the top end of the insulating box (7), a transverse second strip-shaped hole (14) is formed in the front end of the insulating box (7), a transverse third strip-shaped hole (15) is formed in the bottom end of the insulating box (7), the rear ends of the adjusting screws (8) penetrate through the second strip-shaped hole (14) from the front end of the insulating box (7) and extend into the working cavity, the rear end of each adjusting screw is fixedly connected with the front end of one sliding block (12), adjusting nuts (16) are arranged at the front ends of the adjusting screws (8) in a threaded mode, threaded pipes (17) are arranged at the top ends of the sliding blocks (12), the top ends of the threaded pipes (17) penetrate through the first strip-shaped holes (13) from the working cavity and extend out of the insulating box (7), and square cavities (18) in the vertical direction are arranged inside the sliding blocks (12), a square sliding block (19) is arranged in the square cavity (18) in a sliding manner, a through hole communicated with the threaded pipe (17) is formed in the top of the square cavity (18), the bottom end of each adjusting bolt (9) penetrates through one threaded pipe (17) to extend into the square cavity (18) and be rotatably connected with the top end of one square sliding block (19), a round hole is formed below the square cavity (18) in a communicating manner, a conductive column (20) is arranged in the round hole, the top end of the conductive column (20) is fixedly connected with the bottom end of the square sliding block (19), the bottom end of the conductive column (20) penetrates through a third strip-shaped hole (15) to the lower part of the insulating box (7) from the working cavity and is inserted into a wiring hole above the air circuit breaker (5), a connecting column (21) is arranged at the rear end of the conductive column (20), the rear end of the connecting column (21) is tightly attached to the front end of the conducting strip (10).

2. An integrated flame-retardant leaky air switch device according to claim 1, wherein an insulating sheath (22) is provided outside the conductive column (20).

3. The integrated flame-retardant leakage air switch device according to claim 2, wherein a pick-and-place opening is arranged at the top end of the insulation box (7), a cover plate (23) is arranged at the pick-and-place opening, and the cover plate (23) is connected with the insulation box (7) through bolts.

4. An integrated flame-retardant leakage air switch device according to claim 3, wherein the two mounting brackets (6) are respectively provided with a fourth hole (24) in the front-back direction, and the left end and the right end of the insulating box (7) are connected with the two mounting brackets (6) through bolts.

5. An integrated flame-retardant leakage air switch device according to claim 4, wherein the top of the placing cavity is provided with a zero line row (25), and the bottom of the placing cavity is provided with a ground line row (26).

6. An integrated flame-retardant leakage air switch device according to claim 5, wherein the sliding block (12) and the square sliding block (19) are made of insulating composite material, and the outer side of the square sliding block (19) is in contact with the inner side wall of the square cavity (18).

7. An integrated flame-retardant leakage air switch device according to claim 6, wherein sliding grooves (27) are transversely formed on the front side wall and the rear side wall of the working chamber, two pulleys (28) are respectively arranged at the front end and the rear end of the sliding blocks (12), and the pulleys (28) are slidably arranged in the sliding grooves (27).

8. The integrated flame-retardant leaky air switch device according to claim 7, wherein the conductive sheet (10), the conductive column (20), and the connection column (21) are all made of copper.