CN219321242U

CN219321242U - Indoor high-voltage vacuum circuit breaker

Info

Publication number: CN219321242U
Application number: CN202320192283.9U
Authority: CN
Inventors: 刘印星; 刘冉冉; 刘祥生
Original assignee: Hongsu Electric Technology Co ltd
Current assignee: Shandong Hongshen Electric Co.,Ltd.
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-07
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses an indoor high-voltage vacuum circuit breaker, which comprises a circuit breaker and a base, wherein sliding grooves are formed in two sides of the upper end of the base, grooves are formed in the lower end of the sliding grooves, wheel frames are fixedly arranged on two sides of the lower end of the circuit breaker, rubber wheels are movably arranged in the wheel frames, the lower ends of the rubber wheels are movably inserted into the grooves, a solid sealing pole is arranged on one side of the circuit breaker, a stylus is arranged on one side of the solid sealing pole, a plum blossom contact is arranged at one end of the stylus, a protection component is arranged on the outer side of the plum blossom contact, a telescopic sleeve in the fixing sleeve extends outside the plum blossom contact under the action of a supporting spring, the protection of the plum blossom contact is facilitated under the action of a protecting cover, and when the protective cover is used, a user opens the protecting cover, so that the plum blossom contact is connected with a mounting part, the telescopic sleeve is tightly attached to the surface of the mounting part under the action of the supporting spring, and the plum blossom contact is facilitated to be well protected.

Description

Indoor high-voltage vacuum circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to an indoor high-voltage vacuum circuit breaker.

Background

The vacuum circuit breaker is characterized in that the vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of a contact gap after arc extinction are high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no maintenance for arc extinction, is more popular in power distribution networks, is an indoor power distribution device in a three-phase alternating current system of 3-10 kV and 50Hz, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and substations, is particularly suitable for use places requiring oiliness, less maintenance and frequent operation, and can be arranged in centrally installed cabinets, double-layer cabinets and fixed cabinets to be used for controlling and protecting high-voltage electrical equipment;

through retrieving, disclose the indoor high-voltage vacuum circuit breaker of publication number CN209785828U, including the circuit breaker, still include the base, the bottom bilateral symmetry of circuit breaker is provided with the slide that is the structure of falling U-shaped, the inboard of slide is connected with the pulley through changeing the roller rotation, the internally mounted of pulley has air pump and electronic box, the outer wall package of pulley has the cover that aerifys, the inlet end and the end that gives vent to anger of air pump communicate with the outer wall of pulley and the cover that aerifys respectively. According to the utility model, the outer wall of the pulley is provided with the air charging sleeve, the outer diameter of the pulley is the same as the outer diameter of the rotating roller connected with the pulley, and the air pump charges air in the air charging sleeve by starting the sliding switch, so that the pulley bulges, the breaker is pushed to the inside, the breaker has certain buffering and damping effects, friction between the pulley and the pulley groove is reduced, static electricity is prevented, and the sliding-in stability of the breaker is ensured;

although the existing indoor high-voltage vacuum circuit breaker can meet the use requirement of a user, certain defects still exist in the use process, and the specific problems are as follows:

1. most of the circuit breakers are directly slid into the clamping plates for installation, so that friction electrification is caused, the service life of the sliding plate is shortened, and the circuit breakers are inconvenient to install;

2. the plum blossom contact on the contact arm of the current vacuum circuit breaker is usually exposed, and because the plum blossom contact surface has more gaps, foreign matters and dust are easy to adhere on the plum blossom contact, and the using effect is affected.

Disclosure of Invention

The utility model aims to provide an indoor high-voltage vacuum circuit breaker, which solves the problems that most of the indoor high-voltage vacuum circuit breaker is directly installed by adopting a clamping plate, friction electrification is caused, the service life of a sliding plate is shortened, the installation is very inconvenient, a plum blossom contact on a contact arm of the existing vacuum circuit breaker is usually exposed, and foreign matters and dust are easily attached to the plum blossom contact due to more gaps on the surface of the plum blossom contact, so that the using effect is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an indoor high-voltage vacuum circuit breaker, includes circuit breaker and base, the spout has all been seted up to the both sides of base upper end, the lower extreme of spout is seted up flutedly, the both sides of circuit breaker lower extreme are all fixed mounting has the wheel carrier, the inside movable mounting of wheel carrier has the rubber wheel, the lower extreme activity of rubber wheel alternates in the inside of recess, be provided with the solid subassembly of card between circuit breaker and the rubber wheel, one side of circuit breaker is provided with solid seal polar pole, one side of solid seal polar pole is provided with the stylus, the one end of stylus is provided with the plum blossom contact, the outside of plum blossom contact is provided with protection component.

Preferably, the clamping assembly comprises a movable groove, the movable groove is formed in the lower end of the circuit breaker, and a fixed pipe is fixedly arranged in the movable groove.

Preferably, the two sides of the surface of the fixed pipe are provided with moving grooves, the surface of the fixed pipe is sleeved with a clamping spring, and the outer side of the fixed pipe is sleeved with a moving sleeve connected with the clamping spring.

Preferably, a clamping rod is movably inserted in the fixed pipe, the lower end of the clamping rod is movably inserted in the wheel frame, a clamping rack is fixedly arranged at the end of the clamping rod, and moving blocks are fixedly arranged at two sides of the upper end of the clamping rod.

Preferably, one end of the moving block penetrates through the moving groove and is fixedly connected with the moving sleeve, an annular groove is formed in the middle of the rubber wheel, and a clamping tooth ring which is clamped with the clamping rack is arranged in the annular groove.

Preferably, the surface of circuit breaker has seted up the adjustment tank, the adjustment tank is located the clothes moth of movable groove, the spacing groove has all been seted up at the both ends of adjustment tank, the inside activity of spacing groove alternates there is the stopper, the one end fixed mounting of stopper has the expansion ring, the outside at the removal cover is established to the expansion ring movable sleeve.

Preferably, the protection component comprises a fixed sleeve, the fixed sleeve is fixedly arranged on the outer side of the solid-sealed pole, a telescopic sleeve is movably inserted in the fixed sleeve, one end of the telescopic sleeve is movably inserted in the outer side of the fixed sleeve, a mounting ring is movably arranged on the surface of the end, and a protection cover attached to one end of the telescopic sleeve is movably arranged on one side of the mounting ring.

Preferably, the inside activity of flexible cover one end is interluded there is the dead lever, the one end fixed mounting of dead lever has the movable block, the surface cover of dead lever is equipped with the supporting spring who is connected with the movable block, the one end and the fixed cover inner wall fixed connection of dead lever, the spread groove has all been seted up to the both sides of fixed cover, the inside activity of spread groove has the connecting block that is connected with flexible cover, push ring is installed to the one end of connecting block.

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

according to the utility model, a user pushes the circuit breaker onto the base, the rubber wheel moves along the sliding groove, when the rubber wheel is inserted into the groove when the maximum position is moved, the user transversely pushes the limiting block, the limiting block moves along the limiting groove above the adjusting groove, so that the limiting block moves into the adjusting groove, the moving sleeve moves downwards along the fixed pipe under the action of the clamping spring, the moving sleeve drives the clamping rod to move downwards, the clamping rack is clamped with the clamping toothed ring, the rubber wheel cannot rotate and is limited in the groove, the user transversely pushes the limiting block, the limiting block moves into the limiting groove, the position of the moving sleeve is conveniently limited, and the limit of the rubber wheel is enhanced, so that the circuit breaker is quickly connected with the base, and static electricity is avoided under the action of the rubber wheel;

according to the utility model, the telescopic sleeve in the fixing sleeve extends to the outer side of the plum blossom contact under the action of the supporting spring, and is convenient for protecting the plum blossom contact under the action of the protecting cover.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

fig. 4 is an enlarged view of the structure of fig. 1 at C according to the present utility model.

In the figure: 1. a circuit breaker; 2. a base; 3. a chute; 4. a groove; 5. sealing the polar post; 6. plum blossom contact; 7. a fixed sleeve; 8. a telescopic sleeve; 9. a mounting ring; 10. a protective cover; 11. a wheel carrier; 12. a rubber wheel; 13. clamping and fixing the toothed ring; 14. a movable groove; 15. a fixed tube; 16. a clamping spring; 17. a moving sleeve; 18. a movable ring; 19. a clamping rod; 20. clamping and fixing a rack; 21. an adjustment tank; 22. a limit groove; 23. a limiting block; 24. a fixed rod; 25. a support spring; 26. push ring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1 referring to fig. 1 to 3, an embodiment of the present utility model is provided: an indoor high-voltage vacuum circuit breaker comprises a circuit breaker 1 and a base 2, wherein both sides of the upper end of the base 2 are respectively provided with a chute 3, the lower end of the chute 3 is provided with a groove 4, both sides of the lower end of the circuit breaker 1 are respectively fixedly provided with a wheel frame 11, the inside of the wheel frame 11 is movably provided with a rubber wheel 12, the lower end of the rubber wheel 12 is movably inserted into the groove 4, a clamping assembly is arranged between the circuit breaker 1 and the rubber wheel 12 and comprises a movable groove 14, the movable groove 14 is provided with the lower end of the circuit breaker 1, the inside of the movable groove 14 is fixedly provided with a fixed pipe 15, both sides of the surface of the fixed pipe 15 are respectively provided with a movable groove, the surface of the fixed pipe 15 is sleeved with a clamping spring 16, the outside of the fixed pipe 15 is sleeved with a movable sleeve 17 connected with the clamping spring 16, the inside of the fixed tube 15 is movably inserted with a clamping rod 19, the lower end of the clamping rod 19 is movably inserted in the wheel frame 11, the clamping rod 20 is fixedly arranged at the end, two sides of the upper end of the clamping rod 19 are fixedly provided with moving blocks, one ends of the moving blocks penetrate through the moving grooves and are fixedly connected with the moving sleeve 17, an annular groove is formed in the middle position of the rubber wheel 12, a clamping toothed ring 13 which is clamped with the clamping rod 20 is arranged in the annular groove, an adjusting groove 21 is formed in the surface of the circuit breaker 1, the adjusting groove 21 is positioned in a clothes moth of the movable groove 14, limit grooves 22 are formed at two ends of the adjusting groove 21, limiting blocks 23 are movably inserted in the limit grooves 22, one ends of the limiting blocks 23 are fixedly provided with movable rings 18, and the movable rings 18 are movably sleeved on the outer sides of the moving sleeve 17;

when the rubber wheel 12 is inserted into the groove 4, the user pushes the limiting block 23 transversely, the limiting block 23 moves along the limiting groove 22 above the adjusting groove 21, the limiting block 23 moves into the adjusting groove 21, the moving sleeve 17 moves downwards along the fixed pipe 15 under the action of the clamping spring 16, the moving sleeve 17 drives the clamping rod 19 to move downwards, the clamping rack 20 is clamped with the clamping toothed ring 13, the rubber wheel 12 cannot rotate and is limited in the groove 4, the user pushes the limiting block 23 transversely, the limiting block 23 moves into the limiting groove 22, the position of the moving sleeve 17 is limited conveniently, the limit of the rubber wheel 12 is enhanced, the circuit breaker 1 is connected with the base 2 quickly, and static electricity is avoided under the action of the rubber wheel 12.

In embodiment 2, referring to fig. 1 and 4, a solid sealed pole 5 is disposed on one side of a circuit breaker 1, a stylus is disposed on one side of the solid sealed pole 5, a tulip contact 6 is disposed on one end of the stylus, a protection component is disposed on the outer side of the tulip contact 6, the protection component comprises a fixing sleeve 7, the fixing sleeve 7 is fixedly disposed on the outer side of the solid sealed pole 5, a telescopic sleeve 8 is movably inserted in the fixing sleeve 7, one end of the telescopic sleeve 8 is movably inserted in the outer side of the fixing sleeve 7, a mounting ring 9 is movably disposed on the surface of the end, a protective cover 10 attached to one end of the telescopic sleeve 8 is movably disposed on one side of the mounting ring 9, a fixing rod 24 is movably inserted in one end of the telescopic sleeve 8, a movable block is fixedly disposed on one end of the fixing rod 24, a supporting spring 25 connected with the movable block is sleeved on the surface of the fixing rod 24, connecting grooves are formed on both sides of the fixing sleeve 7, a connecting block connected with the telescopic sleeve 8 is movably inserted in the connecting block, and a push ring 26 is disposed on one end of the connecting block;

the telescopic sleeve 8 inside the fixed sleeve 7 extends outside the plum blossom contact 6 under the action of the supporting spring 25, the plum blossom contact 6 is protected conveniently under the action of the protecting cover 10, when the protective cover 10 is opened by a user in use, the plum blossom contact 6 is connected with a mounting position, and the telescopic sleeve 8 is tightly attached to the surface of the mounting position under the action of the supporting spring 25, so that the plum blossom contact 6 is protected well.

Working principle: the user pushes the circuit breaker 1 onto the base 2, the rubber wheel 12 moves along the chute 3, when the maximum position department is moved, the rubber wheel 12 inserts the inside of recess 4, the user pushes the stopper 23 transversely, the stopper 23 moves along the spacing groove 22 of adjustment tank 21 top, make the stopper 23 move to the inside of adjustment tank 21, the movable sleeve 17 moves down along fixed pipe 15 under the effect of clamping spring 16, the movable sleeve 17 drives clamping rod 19 and moves down, make clamping rack 20 and clamping toothed ring 13 joint, make the rubber wheel 12 unable rotation, the inside at recess 4 is spacing, the user pushes the stopper 23 transversely, the inside of stopper 23 moves to the inside of spacing groove 22, be convenient for carry out the spacing to the position of movable sleeve 17, strengthen the spacing to the rubber wheel 12, thereby make circuit breaker 1 and base 2 quick connect, simultaneously under the effect of rubber wheel 12, avoid taking place static electricity, the inside telescopic sleeve 8 of fixed sleeve 7 extends under the effect of supporting spring 25 in the outside of plum blossom contact 6, the effect of protecting cover 10 is convenient for the user to install the protection cover 6 under the effect of protecting cover 10, the function of protecting cover 6 is convenient to open the plum blossom contact 6, the effect is convenient for the user installs the protection cover 6 when the protecting cover 6 is connected with the protection cover 6, the protection cover is convenient for use, the protection cover is mounted under the effect of the function of the protection cover is attached to the protection cover is convenient to the protection cover is attached to the contact is attached to the protection cover 6, the protection is convenient to the protection.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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

1. Indoor high-voltage vacuum circuit breaker, including circuit breaker (1) and base (2), its characterized in that: the utility model discloses a circuit breaker, including base (2) and base, spout (3) are all offered to both sides of base (2) upper end, recess (4) are offered to the lower extreme of spout (3), the both sides of circuit breaker (1) lower extreme are all fixed mounting have wheel carrier (11), the inside movable mounting of wheel carrier (11) has rubber wheel (12), the lower extreme activity of rubber wheel (12) alternates in the inside of recess (4), be provided with the solid subassembly of card between circuit breaker (1) and rubber wheel (12), one side of circuit breaker (1) is provided with solid seal utmost point post (5), one side of solid seal utmost point post (5) is provided with the stylus, the one end of stylus is provided with plum blossom contact (6), the outside of plum blossom contact (6) is provided with protection subassembly.

2. An indoor high voltage vacuum circuit breaker as claimed in claim 1, wherein: the clamping assembly comprises a movable groove (14), the movable groove (14) is formed in the lower end of the inside of the circuit breaker (1), and a fixed pipe (15) is fixedly arranged in the movable groove (14).

3. An indoor high voltage vacuum interrupter as defined in claim 2, wherein: the two sides of the surface of the fixed pipe (15) are provided with moving grooves, the surface of the fixed pipe (15) is sleeved with a clamping spring (16), and the outer side of the fixed pipe (15) is sleeved with a moving sleeve (17) connected with the clamping spring (16).

4. An indoor high-voltage vacuum circuit breaker according to claim 3, characterized in that: the inside activity of fixed pipe (15) is alternated there is clamping rod (19), the lower extreme activity of clamping rod (19) is alternated in the inside of wheel carrier (11), and this end fixed mounting has clamping rack (20), the both sides of clamping rod (19) upper end are all fixed mounting movable block.

5. The indoor high voltage vacuum circuit breaker of claim 4, wherein: one end of the moving block penetrates through the moving groove and is fixedly connected with the moving sleeve (17), an annular groove is formed in the middle of the rubber wheel (12), and a clamping toothed ring (13) which is clamped with the clamping rack (20) is arranged in the annular groove.

6. The indoor high voltage vacuum circuit breaker of claim 5, wherein: the circuit breaker is characterized in that an adjusting groove (21) is formed in the surface of the circuit breaker (1), the adjusting groove (21) is located a clothes moth of the movable groove (14), limiting grooves (22) are formed in two ends of the adjusting groove (21), limiting blocks (23) are inserted in the limiting grooves (22) in a movable mode, a movable ring (18) is fixedly mounted at one end of each limiting block (23), and the movable ring (18) is movably sleeved on the outer side of the movable sleeve (17).

7. An indoor high voltage vacuum circuit breaker as claimed in claim 1, wherein: the protection component comprises a fixed sleeve (7), the fixed sleeve (7) is fixedly arranged on the outer side of the solid-sealed pole (5), a telescopic sleeve (8) is movably inserted in the fixed sleeve (7), one end of the telescopic sleeve (8) is movably inserted in the outer side of the fixed sleeve (7), a mounting ring (9) is movably arranged on the surface of the end, and a protection cover (10) attached to one end of the telescopic sleeve (8) is movably arranged on one side of the mounting ring (9).

8. The indoor high voltage vacuum circuit breaker of claim 7, wherein: the inside activity of flexible cover (8) one end is interluded has dead lever (24), the one end fixed mounting of dead lever (24) has movable block, the surface cover of dead lever (24) is equipped with supporting spring (25) that are connected with the movable block, the one end and the fixed cover (7) inner wall fixed connection of dead lever (24), the spread groove has all been seted up to the both sides of fixed cover (7), the inside activity of spread groove has the connecting block that is connected with flexible cover (8), push ring (26) are installed to the one end of connecting block.