CN217902994U - Switch interlocking shaft suitable for permanent magnet vacuum circuit breaker - Google Patents

Abstract

The utility model relates to a permanent magnetism vacuum circuit breaker technical field especially relates to a switch interlocking axle suitable for permanent magnetism vacuum circuit breaker. The novel thread sleeve comprises a thread sleeve body, wherein two shaft levers are arranged inside the thread sleeve body, the circumference surfaces of the shaft levers are all rotatably provided with a connecting disc, the circumference surfaces of the thread sleeve body on the right side of the thread sleeve body are rotatably provided with a turntable, and an L-shaped connecting rod is arranged between the thread sleeve body, the connecting disc and the turntable in a sliding mode. The utility model discloses a miniature spring drives the picture peg through elasticity and pops out, and L shape connecting rod is fixed with the slide bar this moment, and miniature spring two is compression state simultaneously, and when two axostylus axostyles were dismantled, can drop downwards, and two axostylus axostyles move down and contact two rubber pads, and the backup pad supports two rubber pads, takes place to collide with when effectively preventing the axostylus axostyle to dismantle, causes damage for this reason, improves the security that the axostylus axostyle was dismantled.

Description

Switch interlocking shaft suitable for permanent magnet vacuum circuit breaker

Technical Field

The utility model relates to a permanent magnetism vacuum circuit breaker technical field especially relates to a switch interlocking axle suitable for permanent magnetism vacuum circuit breaker.

Background

The permanent magnet high-voltage vacuum circuit breaker is an electric power instrument, and the permanent magnet mechanism vacuum circuit breaker integrates a microcomputer processing technology, a modern network communication technology and a novel switch manufacturing technology, and has the main technical parameters as follows: the vacuum circuit breaker of the indoor permanent magnetic mechanism can reach rated current 3150 amperes, short circuit on-off current 40 kiloamperes, full capacity short circuit on-off times are 50 times, and mechanical life is 3 ten thousand-10 ten thousand times; the vacuum circuit breaker of the outdoor permanent magnetic mechanism can reach rated current 1250 amperes, short circuit on-off current reaches 25 kiloamperes, full capacity short circuit on-off times are 50 times, and mechanical life is 3 ten thousand-6 ten thousand times.

When the switch interlocking shaft of the existing permanent magnet vacuum circuit breaker is maintained, the whole shaft rod needs to be disassembled, and the disassembly is very troublesome.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a switch interlocking shaft suitable for permanent magnet vacuum circuit breaker.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a switch interlocking axle suitable for permanent magnetism vacuum circuit breaker, includes the thread bush, the internally mounted of thread bush has two axostylus axostyles, two the circumference surface of axostylus axostyle all rotates installs the connection pad, is located the thread bush right side the circumference surface rotation of thread bush installs the carousel, is located the thread bush right side horizontal sliding mounting has L shape connecting rod between thread bush, connection pad and the carousel, is located the thread bush right side the slot has all been seted up in the left side of thread bush, connection pad and carousel, install the backup pad between two fixed plates.

As a preferred technical scheme of the utility model, be close to two terminal the equal fixed mounting in circumference surface of axostylus axostyle has the fixed plate, the side tip fixed mounting of carousel has the handle, the inside horizontal slidable mounting of L shape connecting rod has the slide bar, the lower tip of L shape connecting rod and slide bar has all seted up down the slot, install the picture peg in the lower slot that the slide bar was seted up, fixed mounting has miniature spring one between picture peg and the lower slot inside wall, fixed mounting has miniature spring two between slide bar and the L shape connecting rod inside wall, the side tip fixed mounting of slide bar has the stay cord, the stay cord runs through movable mounting outside L shape connecting rod.

As a preferred technical scheme of the utility model, two fixed mounting has two connecting rods between the fixed plate, backup pad and two connecting rod fixed connection, the upper end fixed mounting of backup pad has two rubber pads.

Compared with the prior art, the utility model has the advantages that: 1) The rotatory connection pad that drives of L shape connecting rod is rotatory, the rotatory slide bar that drives of L shape connecting rod is rotatory, the rotatory thread bush that drives of slide bar is rotatory, the thread bush cooperatees through the thread groove with the screw thread of two axostylus axostyles, the thread bush is rotatory to drive two axostylus axostyles and to remove to both sides, two axostylus axostyles and thread bush are respectively this moment, the user can maintain two axostylus axostyles, dismantle two axostylus axostyles through utilizing the thread bush rotation, thereby need not to dismantle whole device, the convenient degree of dismantlement has been improved greatly, reduce the maintenance degree of difficulty simultaneously.

2) First miniature spring drives the picture peg through elasticity and pops out, and L shape connecting rod is fixed with the slide bar this moment, and second miniature spring is compression state simultaneously, and when two axostylus axostyles were dismantled, can drop downwards, and two axostylus axostyles move down and contact two rubber pads, and the backup pad supports two rubber pads, takes place to collide with when effectively preventing the axostylus axostyle dismantlement, causes to damage for this reason, improves the security that the axostylus axostyle was dismantled.

Drawings

Fig. 1 is a schematic structural view of the thread bushing of the present invention;

FIG. 2 is a schematic structural view of the turntable of the present invention;

FIG. 3 is a schematic structural view of the L-shaped connecting rod of the present invention;

fig. 4 is a schematic structural diagram of the support plate of the present invention.

Wherein: 1. a threaded sleeve; 11. a shaft lever; 12. a slot; 13. a turntable; 14. a fixing plate; 15. a grip; 16. connecting the disc; 2. an L-shaped connecting rod; 21. a lower slot; 22. a slide bar; 23. inserting plates; 24. a first miniature spring; 25. a second miniature spring; 26. pulling a rope; 3. a support plate; 31. a connecting rod; 32. and (7) a rubber pad.

Detailed Description

As shown in fig. 1, 2, 3 and 4, a switch interlocking shaft suitable for a permanent magnet vacuum circuit breaker comprises a threaded sleeve 1, two shaft levers 11 are installed inside the threaded sleeve 1, the two shaft levers 11 are both matched with a thread groove of the threaded sleeve 1 through threads, the thread directions of the two shaft levers 11 are opposite, connecting discs 16 are rotatably installed on the circumferential surfaces of the two shaft levers 11, a rotating disc 13 is rotatably installed on the circumferential surface of the threaded sleeve 1 on the right side of the threaded sleeve 1, an L-shaped connecting rod 2 is horizontally slidably installed among the threaded sleeve 1, the connecting discs 16 and the rotating disc 13 on the right side of the threaded sleeve 1, threaded sleeve 1 that is located threaded sleeve 1 right side, slot 12 has all been seted up in the left side of connection pad 16 and carousel 13, install backup pad 3 between two fixed plates 14, threaded sleeve 1 is connected through L shape connecting rod 2 and slide bar 22 with carousel 13 this moment, the user is with rotatory handle 15 of hand, the rotatory carousel 13 rotation that drives of handle 15, carousel 13 is rotatory to drive L shape connecting rod 2 rotatory, the rotatory connection pad 16 rotation that drives of L shape connecting rod 2, the rotatory slide bar 22 that drives of L shape connecting rod 2 is rotatory, the rotatory threaded sleeve 1 that drives of slide bar 22 is rotatory, threaded sleeve 1 cooperatees through the thread groove and two axostylus axostyles 11, threaded sleeve 1 is rotatory to drive two axostylus axostyles 11 and moves to both sides.

The fixed plates 14 are fixedly mounted on the circumferential surfaces of the two shaft levers 11 close to the tail ends of the two shaft levers 11, handles 15 are fixedly mounted at the side ends of the rotary table 13, sliding rods 22 are horizontally and slidably mounted inside the L-shaped connecting rods 2, lower slots 21 are formed in the lower end portions of the L-shaped connecting rods 2 and the lower end portions of the sliding rods 22, plug boards 23 are mounted in the lower slots 21 formed in the sliding rods 22, micro springs 24 are fixedly mounted between the plug boards 23 and the inner side walls of the lower slots 21, micro springs 25 are fixedly mounted between the sliding rods 22 and the inner side walls of the L-shaped connecting rods 2, pull ropes 26 are fixedly mounted at the side ends of the sliding rods 22, the pull ropes 26 penetrate through the L-shaped connecting rods 2 in a movable mode, a user presses the plug boards 23 upwards, the plug boards 23 move upwards to drive the micro springs 24 to compress and deform, the plug boards 23 move upwards into the lower slots 21 formed in the sliding rods 22, at the moment, the micro springs 25 drive the sliding rods 22 to move through self elasticity, the sliding rods 22 slide inside the L-shaped connecting rods 2, and the sliding rods 22 can drive the pull ropes 26 to elongate.

Two connecting rods 31 are fixedly mounted between the two fixing plates 14, the supporting plate 3 is fixedly connected with the two connecting rods 31, two rubber pads 32 are fixedly mounted at the upper end of the supporting plate 3, the first miniature spring 24 drives the inserting plate 23 to pop out through elasticity, the L-shaped connecting rod 2 is fixed with the sliding rod 22, the second miniature spring 25 is in a compression state, the two shaft levers 11 can drop downwards when being detached, the two shaft levers 11 move downwards to contact the two rubber pads 32, and the supporting plate 3 supports the two rubber pads 32.

The utility model discloses the working process does: first, when a user needs to replace and maintain two shaft levers 11, the user presses the inserting plate 23 upwards, the inserting plate 23 moves upwards to drive the first micro spring 24 to deform in a compression manner, the inserting plate 23 moves upwards into the lower slot 21 formed in the sliding rod 22, at the moment, the second micro spring 25 drives the sliding rod 22 to move through self elasticity, the sliding rod 22 slides in the L-shaped connecting rod 2, the sliding rod 22 slides to drive the pull rope 26 to elongate, the sliding rod 22 moves into the slot 12 formed in the threaded sleeve 1, at the moment, the threaded sleeve 1 and the rotary disk 13 are connected through the L-shaped connecting rod 2 and the sliding rod 22, the user rotates the handle 15 with a hand, the handle 15 rotates to drive the rotary disk 13 to rotate, the rotary disk 13 rotates to drive the L-shaped connecting rod 2 to rotate, the L-shaped connecting rod 2 rotates to drive the sliding rod 22 to rotate the threaded sleeve 1, the threaded sleeve 1 is matched with threads of the two shaft levers 11 through the threaded groove, the threaded sleeve 1 rotates to drive the two shaft levers 11 to move towards two sides, at the moment, the two shaft levers 11 are respectively, the user can maintain and the two shaft levers 11 without disassembling device, and the whole device is convenient and quick to disassemble.

Second step, the back is accomplished in the use of L shape connecting rod 2, the user stimulates stay cord 26 backward hard, stay cord 26 atress drives slide bar 22 and removes, slide bar 22 removes in L shape connecting rod 2, slide bar 22 removes and drives picture peg 23 and removes, picture peg 23 removes when lower slot 21 that L shape connecting rod 2 offered is square, miniature spring 24 drives picture peg 23 through elasticity and pops out, L shape connecting rod 2 is fixed with slide bar 22 this moment, miniature spring two 25 is the compression state simultaneously, when two axostylus axostyle 11 are dismantled, can drop downwards, two axostylus axostyle 11 downward mobile contact to two rubber pads 32, backup pad 3 supports two rubber pads 32, effectively prevent taking place to collide with when axostylus axostyle 11 is dismantled, cause damage for this reason, improve the security that axostylus axostyle 11 was dismantled.

Claims (6)

1. The utility model provides a switch interlocking axle suitable for permanent magnetism vacuum circuit breaker, includes thread bush (1), its characterized in that, the internally mounted of thread bush (1) has two axostylus axostyles (11), two the circumference surface of axostylus axostyle (11) all rotates installs connection pad (16), is located thread bush (1) right side the circumference surface rotation of thread bush (1) installs carousel (13), the side tip fixed mounting of carousel (13) has handle (15), is located thread bush (1) right side horizontal sliding mounting has L shape connecting rod (2) between thread bush (1), connection pad (16) and carousel (13), is located thread bush (1) right side slot (12) have all been seted up in the left side of thread bush (1), connection pad (16) and carousel (13).

2. The switch interlock shaft for a permanent magnet vacuum circuit breaker according to claim 1, wherein fixing plates (14) are fixedly installed on circumferential surfaces of both of the shaft rods (11) near ends of the shaft rods (11), and the support plate (3) is installed between the fixing plates (14).

3. The switch interlocking shaft suitable for the permanent magnet vacuum circuit breaker according to claim 2, wherein a sliding rod (22) is horizontally and slidably mounted inside the L-shaped connecting rod (2), and lower slots (21) are formed in the lower end parts of the L-shaped connecting rod (2) and the sliding rod (22).

4. The switch interlocking shaft suitable for the permanent magnet vacuum circuit breaker according to claim 3, wherein the lower slot (21) formed in the sliding rod (22) is internally provided with an inserting plate (23), and a first micro spring (24) is fixedly arranged between the inserting plate (23) and the inner side wall of the lower slot (21).

5. The switch interlocking shaft suitable for the permanent magnet vacuum circuit breaker according to claim 4, characterized in that a micro spring II (25) is fixedly installed between the sliding rod (22) and the inner side wall of the L-shaped connecting rod (2), a pulling rope (26) is fixedly installed at the side end of the sliding rod (22), and the pulling rope (26) is movably installed outside the L-shaped connecting rod (2) in a penetrating manner.

6. The switch interlocking shaft for the permanent magnet vacuum circuit breaker according to claim 5, wherein two connecting rods (31) are fixedly installed between the two fixing plates (14), the support plate (3) is fixedly connected with the two connecting rods (31), and two rubber pads (32) are fixedly installed at the upper end of the support plate (3).

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