CN215731554U - Handle of manual opening and closing circuit breaker - Google Patents

Abstract

The utility model provides a handle of manual circuit breaker that opens and shuts, relates to the electric appurtenance field, including the cambered plate, the cambered plate is convex rigid plate, and the direction equidistance is fixed with the thin steel wire of being no less than eleven about the leading flank bottom of cambered plate, and the equidistance in the right-hand left side in leading flank upper end of cambered plate is seted up and is no less than eleven through-hole, and the trailing flank left end of cambered plate is fixed with first mounting, rotates on the first mounting and is connected with the pivot, and the middle part sliding connection of pivot has a slide cartridge, and the right-hand member of pivot has a screw thread section of thick bamboo through threaded connection. The distance between the rotating shaft and the circuit breaker is increased through the rotating shaft, so that an electrician is prevented from being injured when explosion or electric leakage occurs in sudden short circuit, the safety is high, the operation is easy, meanwhile, the rotating shaft can reduce the operating force of the circuit breaker handle through the lever principle, the operation is more labor-saving and convenient, the arc panel can be suitable for circuit breaker handles of various sizes, the universality is high, and the operation is simple and quick.

Description

Handle of manual opening and closing circuit breaker

Technical Field

The utility model relates to the field of electric auxiliary tools, in particular to a handle of a manual opening and closing circuit breaker.

Background

The low-voltage electric cabinet needs the regularity to the operation that opens and shuts of the circuit breaker of the inside when using, the operation that opens and shuts is generally through the handle to current low-voltage electric cabinet circuit breaker, but the handle is very short, the operation is hard, if the explosion that proruption short-circuit fault arouses when opening and shutting the circuit breaker, still can catch fire and lead to personnel's injury and electric shock, the security is lower, electrician can use simple and easy handle extension device when operating the circuit breaker in the low-voltage electric cabinet, this type of device mostly can only be suitable for the handle of a certain size, the unable handle that adjusts the various sizes of adaptation, the universality is low, the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the background art, the utility model discloses a handle of a manual on-off circuit breaker, the distance between an electrician and the circuit breaker is increased through a rotating shaft, the electrician is prevented from being injured by explosion or electric leakage when sudden short circuit occurs, the safety is high, the operation is easy, meanwhile, the rotating shaft can also reduce the operating force of the circuit breaker handle through the lever principle, the operation is more labor-saving and convenient, the handle can be adapted to circuit breaker handles of various sizes through an arc panel, the universality is strong, and the operation is simple and quick.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a manual handle of circuit breaker that opens and shuts, includes the cambered plate, the cambered plate is convex rigid plate, and the direction equidistance is fixed with the thin steel wire of being no less than eleven about the leading flank bottom of cambered plate, and the equidistance is seted up in the right-hand left side in the leading flank upper end of cambered plate and is no less than eleven through-hole, and the trailing flank left end of cambered plate is fixed with first mounting, rotates on the first mounting and is connected with the pivot, and the middle part sliding connection of pivot has a slide cartridge, and the right-hand member of pivot has a screw thread section of thick bamboo through threaded connection.

The rear face left end of cambered plate is fixed with first mounting, and the rear face right-hand member of cambered plate is fixed with the second mounting, has seted up the mounting hole on the second mounting, uses the centre of a circle of mounting hole as central circular array to have and is no less than eight lockholes on the second mounting, and the right-hand member of lockhole outwards chamfers.

The right side face of the first fixing piece and the mounting hole are connected with a rotating shaft in a rotating mode, the length of the rotating shaft is not less than three times of the length of the cambered plate, a rotating handle is perpendicularly fixed to the right end of the rotating shaft, the middle portion of the rotating shaft is fixed with at least eight convex pieces at equal intervals by taking the central axis of the rotating shaft as a circle center, and a thread groove is formed in the right end, located on the rotating shaft, of each convex piece.

The upper end of the thin steel wire passes through the through hole and is fixed on the rotating shaft.

The sliding cylinder is a rigid pipe body with openings at two ends, at least eight sliding grooves are formed in the sliding cylinder at equal intervals by taking the central axis of the sliding cylinder as the center of a circle, and at least eight locking rods are fixed on the left side surface of the sliding cylinder at equal intervals by taking the central axis of the sliding cylinder as the center of a circle.

The sliding cylinder is connected on the rotating shaft in a sliding mode, and the convex piece is connected in the sliding groove in a sliding mode.

The threaded cylinder is a rigid pipe body with openings at two ends, threads in the same rotating direction as the thread grooves are formed in the threaded cylinder, and an operating handle is fixed in the middle of the side face of the threaded cylinder.

The threaded cylinder is connected with the position on which the threaded groove is arranged on the rotating shaft through threads.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

according to the handle of the manual opening and closing circuit breaker, the distance between an electrician and the circuit breaker during operation is increased through the rotating shaft, the electrician is prevented from being injured during explosion or electric leakage when sudden short circuit occurs, the safety is high, the operation is easy, meanwhile, the rotating shaft can reduce the operating force of the circuit breaker handle through the lever principle, the operation is more labor-saving and convenient, the handle of the circuit breaker with various sizes can be adapted through the arc panel, the universality is high, and the operation is simple and rapid.

Drawings

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

FIG. 2 is a schematic perspective view of a rotating shaft according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;

FIG. 4 is a schematic perspective view of the slide cartridge of the present invention;

FIG. 5 is an enlarged view of a portion of the present invention at B of FIG. 4;

FIG. 6 is a schematic perspective view of a cambered plate according to the present invention;

fig. 7 is a schematic perspective view of the threaded cylinder of the present invention.

1. A cambered plate; 101. thin steel wires; 102. a through hole; 2. a first fixing member; 201. a second fixing member; 202. mounting holes; 203. a lock hole; 3. a rotating shaft; 301. a handle is rotated; 302. a thread groove; 303. a male member; 4. a slide cylinder; 401. a chute; 402. a lock bar; 5. a threaded barrel; 501. an operating handle.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

Combine the handle of the manual circuit breaker that opens and shuts of figure 1~7, including cambered plate 1, cambered plate 1 is convex rigidity board, convex cambered plate 1 can laminate with the handle more when the handle of circuit breaker is tied up to thin steel wire 101, cambered plate 1's leading flank bottom left and right sides direction equidistance is fixed with the thin steel wire 101 of no less than eleven, the through-hole 102 of no less than eleven is seted up to the equidistance in the left and right sides of leading flank upper end of cambered plate 1, cambered plate 1's trailing flank left end is fixed with first mounting 2, it is connected with pivot 3 to rotate on the first mounting 2, the middle part sliding connection of pivot 3 has slide cartridge 4, there is threaded cartridge 5 right-hand member of pivot 3 through threaded connection.

The rear surface left end of the cambered plate 1 is fixed with a first fixing part 2, the rear surface right end of the cambered plate 1 is fixed with a second fixing part 201, a mounting hole 202 is formed in the second fixing part 201, a circular array with the circle center of the mounting hole 202 as the center is provided with at least eight locking holes 203, the right ends of the locking holes 203 are chamfered outwards, and the chamfer at the right end of the locking holes 203 can play a role in guiding when the locking rod 402 is inserted into the locking holes 203.

The right flank of first mounting 2 and the mounting hole 202 internal rotation are connected with pivot 3, the length of pivot 3 is not less than the triple of cambered plate 1 length, it makes the operation more laborsaving to be favorable to exerting leverage, and keep apart electrician and circuit breaker, improve the security, the right-hand member vertical fixation of pivot 3 has turning handle 301, the middle part of pivot 3 uses the axis of pivot 3 to be fixed with as centre of a circle equidistance and is no less than eight protruding piece 303, the thread groove 302 has been seted up to the right-hand member that lies in protruding piece 303 in pivot 3.

The upper end of the thin steel wire 101 passes through the through hole 102 and is fixed on the rotating shaft 3, and the thin steel wire 101 can be wound when the rotating shaft 3 rotates, so that the handle of the circuit breaker is tightly bound by the thin steel wire 101.

The slide cylinder 4 is a rigid pipe body with openings at two ends, at least eight sliding grooves 401 are formed in the slide cylinder 4 at equal intervals by taking the central axis of the slide cylinder 4 as the center of a circle, and at least eight locking rods 402 are fixed on the left side surface of the slide cylinder 4 at equal intervals by taking the central axis of the slide cylinder 4 as the center of a circle.

The sliding barrel 4 is connected to the rotating shaft 3 in a sliding mode, the convex piece 303 is connected to the sliding groove 401 in a sliding mode, the sliding barrel 4 can rotate along with the rotating shaft 3 under the action of the thread groove 302, and the locking rod 402 at the left end of the sliding barrel 4 can lock the rotating shaft 3 after being pushed by the thread barrel 5 and inserted into the locking hole 203 to prevent the rotating shaft 3 from continuing to rotate, so that operation is facilitated.

The threaded cylinder 5 is a rigid pipe body with openings at two ends, threads in the same rotating direction as the threaded grooves 302 are formed in the threaded cylinder 5, and an operating handle 501 is fixed in the middle of the side face of the threaded cylinder 5.

The threaded cylinder 5 is connected with the position of the threaded groove 302 on the rotating shaft 3 through threads, the threaded cylinder 5 can move left and right on the rotating shaft 3 under the action of the threads when the position of the threaded groove 302 on the rotating shaft 3 rotates, the locking rod 402 is pushed to enter the locking hole 203 to lock the arc panel 1 and the rotating shaft 3 into a whole, and operation is facilitated.

When the handle of the manual on-off circuit breaker is used and needs to be operated, firstly, the rotating handle 301 and the operating handle 501 are held by hand, the arc panel 1 is aligned to the handle of the circuit breaker, the thin steel wire 101 is sleeved on the handle, the rotating shaft 3 is rotated in the first fixing piece 2 and the mounting hole 202 through the rotating handle 301, the thin steel wire 101 is wound and wound by the rotating shaft 3, the thin steel wire 101 on the front side of the arc panel 1 penetrates through the through hole 102 to shrink the handle of the circuit breaker inwards to be bound, then, an electrician rotates the threaded cylinder 5 through the operating handle 501 at the position of the rotating shaft 3 provided with the threaded groove 302, the threaded cylinder 5 moves towards the direction close to the arc panel 1 under the action of the threaded groove 302 and pushes the sliding cylinder 4 and the locking rod 402 to move towards the direction close to the arc panel 1, and the locking rod 402 moves leftwards to enter the locking hole 203 on the second fixing piece 201 and then stops rotating the threaded cylinder 5, the handle of the circuit breaker can be operated through the rotating shaft 3, the opening and closing operation is carried out, after the operation is completed, the threaded cylinder 5 is reversely rotated through the operating handle 501, the threaded cylinder 5 is enabled to move rightwards on the threaded groove 302, the sliding cylinder 4 and the locking rod 402 also move towards the right end of the rotating shaft 3 under the action of gravity or considered external force, the locking rod 402 is separated from the lock hole 203, the rotating shaft 3 is reversely rotated through the rotating handle 301, the thin steel wire 101 penetrates through the through hole 102 to enable the thin steel wire 101 at the front end of the arc panel 1 to grow, the handle of the circuit breaker is released, and finally the device is taken down from the handle of the circuit breaker.

While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. The utility model provides a handle of manual circuit breaker that opens and shuts, includes cambered plate (1), characterized by: cambered plate (1) is convex rigid plate, the leading flank bottom left and right sides direction equidistance of cambered plate (1) is fixed with thin steel wire (101) of being no less than eleven, through-hole (102) of being no less than eleven are seted up to the right-hand equidistance in the left and right sides direction in the leading flank upper end of cambered plate (1), the trailing flank left end of cambered plate (1) is fixed with first mounting (2), it is connected with pivot (3) to rotate on first mounting (2), the middle part sliding connection of pivot (3) has slide cartridge (4), the right-hand member of pivot (3) has a screw thread section of thick bamboo (5) through threaded connection.

2. The handle for a manual opening and closing circuit breaker according to claim 1, wherein: the rear face left end of arc panel (1) is fixed with first mounting (2), and the rear face right-hand member of arc panel (1) is fixed with second mounting (201), has seted up mounting hole (202) on second mounting (201), uses the centre of a circle of mounting hole (202) to have as central circular array on second mounting (201) to be no less than eight lockholes (203), the outside chamfer of right-hand member of lockhole (203).

3. The handle for a manual opening and closing circuit breaker according to claim 2, wherein: the right flank and the mounting hole (202) internal rotation of first mounting (2) are connected with pivot (3), and the length of pivot (3) is not less than the triple of cambered plate (1) length, and the right-hand member vertical fixation of pivot (3) has turning handle (301), and the middle part of pivot (3) uses the axis of pivot (3) to be fixed with as centre of a circle equidistance and is no less than eight protruding piece (303), and thread groove (302) have been seted up to the right-hand member that lies in protruding piece (303) on pivot (3).

4. The handle for a manual opening and closing circuit breaker according to claim 1, wherein: the upper end of the thin steel wire (101) passes through the through hole (102) and is fixed on the rotating shaft (3).

5. The handle for a manual opening and closing circuit breaker according to claim 3, wherein: the sliding cylinder (4) is a rigid pipe body with openings at two ends, at least eight sliding grooves (401) are formed in the sliding cylinder (4) at equal intervals by taking the central axis of the sliding cylinder (4) as the center of a circle, and at least eight locking rods (402) are fixed on the left side surface of the sliding cylinder (4) at equal intervals by taking the central axis of the sliding cylinder (4) as the center of a circle.

6. The handle for a manual opening and closing circuit breaker according to claim 5, wherein: the sliding cylinder (4) is connected to the rotating shaft (3) in a sliding mode, and the convex piece (303) is connected to the sliding groove (401) in a sliding mode.

7. The handle for a manual opening and closing circuit breaker according to claim 3, wherein: the threaded cylinder (5) is a rigid pipe body with openings at two ends, threads in the same rotating direction as the threaded grooves (302) are formed in the threaded cylinder (5), and an operating handle (501) is fixed in the middle of the side face of the threaded cylinder (5).

8. The handle for a manual opening and closing circuit breaker according to claim 3, wherein: the threaded cylinder (5) is connected with the position of the threaded groove (302) on the rotating shaft (3) through threads.

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