CN221312318U

CN221312318U - Wire breaker for distribution engineering convenient to change blade

Info

Publication number: CN221312318U
Application number: CN202323337844.9U
Authority: CN
Inventors: 王永康; 潘海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-07-12
Anticipated expiration: 2033-12-08

Abstract

The utility model discloses a wire breaker for power distribution engineering, which is convenient for replacing a blade, and relates to the technical field of wire breakers. This breaker for distribution engineering convenient to change blade is unscrewed through rotatory clamping bolt along the lug for can drive the briquetting and keep away from the blade body along the reservation groove slip of slope when clamping bolt is rotatory, because the through-hole is seted up at the top intercommunication of installation cavity, can assist extrusion ejecting blade body to break away from the installation cavity when can inserting a word to play the instrument downwards along the through-hole, thereby can carry out quick replacement with the blade body, and then when the blade body appears the blade damaged, can guarantee to continue the operation of cutting to distribution engineering cable behind the change blade.

Description

Wire breaker for distribution engineering convenient to change blade

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker for power distribution engineering, which is convenient for blade replacement.

Background

Distribution is a link in a power system that is directly connected to and distributes electrical energy to consumers. The distribution system consists of a distribution substation, a high-voltage distribution line, a distribution transformer, a low-voltage distribution line and corresponding control protection equipment. The power distribution engineering comprises power utilization reporting, internal line engineering, external line engineering, power transformation and distribution engineering, power and illumination engineering, lightning protection grounding engineering and the like, and when power distribution equipment is wired, a matched wire breaker is required to cut off a cable to realize the wiring operation of an electric element, so that the operation of an electric circuit is ensured.

When the conventional wire cutter for power distribution engineering is used, the wire cutter tool for cutting wires can be selected from tools such as art cutters or wire cutters, and the common wire cutter blade can be worn after cutting wires frequently, and the cutting edge can be damaged when severe, so that the wire cutting operation is more laborious, and the blade replacement operation is difficult to realize because the conventional blade is fixedly arranged.

Disclosure of utility model

The utility model aims to provide a wire breaker for power distribution engineering, which is convenient for replacing blades, so as to solve the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a wire breaker for power distribution engineering, which is convenient for blade replacement, comprises a grab handle, a blade body and a pull rod,

The front part of the grab handle is fixedly provided with a supporting block, the upper side of the grab handle is connected with a driving fan-shaped tooth through a movable seat, one side, far away from the tooth surface, of the driving fan-shaped tooth is welded with a wrench, the bottom of the wrench is connected with a spring, the bottom end of the spring is fixed with the upper side surface of the grab handle, one side, close to the driving fan-shaped tooth, of the grab handle is also connected with a rotating tooth column through the movable seat, and one side, far away from the tooth surface, of the rotating tooth column is fixedly provided with a clamp head;

the inner side of the end part of the clamp head is provided with an installation cavity, the inside of the installation cavity is inserted with a blade body, one side surface of the clamp head, which is far away from the rotary tooth column, is provided with two groups of bumps, the inner threads of the bumps are connected with clamping bolts, a pressing block is slidably connected in an inclined reserved groove in the clamp head, and the pressing block is movably connected with the end part of the clamping bolts through a bearing.

Preferably, the driving sector teeth are meshed with the rotating tooth columns, and an abutting port matched with the blade body is formed in the upper side edge of the supporting block.

Preferably, the pliers head is provided with a through hole near the top of the installation cavity, and a plurality of groups of anti-slip strips which are distributed in parallel are fixed on the inner wall of one side of the installation cavity away from the pressing block.

Preferably, a groove is formed in one side between the grab handle and the support block.

Preferably, one end of the grab handle, which is close to the supporting block, is rotationally connected with the pull rod through a rotating pin, and a torsion spring is sleeved on the rotating pin between the grab handle and the pull rod.

Preferably, the grab handle is far away from the afterbody downside integrated into one piece of riding block and has the buffer block, the pull rod is far away from the afterbody upside integrated into one piece of riding block and has the non slipping spur.

Preferably, the upper surface of the anti-skid block is provided with a limit groove, the tail surface of the buffer block is movably connected with pull rings, and the tail surface of the anti-skid block is fixedly provided with clamping blocks which are distributed at equal intervals.

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

1. According to the wire breaker for the power distribution engineering, the clamping bolt is unscrewed through rotation along the lug, so that the pressing block can be driven to slide along the inclined reserved groove to be far away from the blade body when the clamping bolt rotates;

2. This breaker for distribution engineering convenient to change blade when the electrical component series connection that the cable that need cut off many same lengths was used for distribution engineering equidistance to distribute can set up many cables between buffer block and non-slipping spur to pass behind the recess the butt joint mouth position of overlap joint in the supporting shoe upside with another of cable, when adjusting the crookedness of cable in pull rod one side, cut many thinner cables through cutting thicker cable one by one or disposable, and then the length of convenient control cut-off cable, and then convenient the wire arranging operation of using manpower sparingly when using this breaker.

Drawings

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

FIG. 2 is a schematic perspective view of the present utility model after angle conversion;

FIG. 3 is a schematic view of a front cross-sectional structure of the present utility model;

fig. 4 is a schematic cross-sectional front view of the pliers head of the present utility model.

In the figure: 1. a grab handle; 2. a support block; 3. driving the sector teeth; 4. a wrench; 5. a spring; 6. rotating the tooth column; 7. a clamp head; 8. a mounting cavity; 9. a through hole; 10. a blade body; 11. an anti-slip strip; 12. a bump; 13. clamping a bolt; 14. briquetting; 15. a groove; 16. a pull rod; 17. a torsion spring; 18. a buffer block; 19. an anti-skid block; 20. a limit groove; 21. a pull ring; 22. and (5) clamping blocks.

Detailed Description

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a distribution is breaker for engineering convenient to change blade, including grab handle 1, blade body 10 and pull rod 16, the front portion of grab handle 1 is fixed with riding block 2, the upside surface of grab handle 1 is provided with curved anti-skidding protruding, can be with palm position butt at anti-skidding protruding surface when handheld grab handle 1, the antiskid appears slipping when preventing the hand to hold, the upside of grab handle 1 is connected with the fan-shaped tooth 3 of drive through the movable seat, the one side welding that the fan-shaped tooth 3 of drive is kept away from the flank of tooth has spanner 4, the bottom of spanner 4 is connected with spring 5, the bottom of spring 5 is fixed with the last side of grab handle 1, one side that grab handle 1 is close to the fan-shaped tooth 3 of drive still is connected with through the movable seat and rotates tooth post 6, the fan-shaped tooth 3 of drive is connected for the meshing with rotating tooth post 6, one side that the tooth face was kept away from to rotate tooth post 6 is fixed with binding clip 7.

During implementation, the grab handle 1 is held by hand, the cable is lapped at the abutting joint position of the supporting block 2, the spanner 4 is pressed to extrude the spring 5 to deform and shrink, so that the spanner 4 drives the driving sector gear 3 to rotate upwards around the movable seat, the driving sector gear 3 rotates and is meshed with the rotating gear column 6, the rotating gear column 6 rotates reversely, the reversed rotating gear column 6 can drive the clamp head 7 to rotate downwards, the clamp head 7 drives the blade body 10 to move to the abutting joint position of the supporting block 2 to clamp the cable, after the cable cutting is completed, the spanner 4 is loosened, the spring 5 pushes the spanner 4 to rotate reversely, the clamp head 7 drives the blade body 10 to be separated from the supporting block 2, and the cable cutting operation of the next step is facilitated.

Referring to fig. 4, an installation cavity 8 is formed inside the end portion of the clamp head 7, a blade body 10 is inserted into the installation cavity 8, an abutting port matched with the blade body 10 is formed on the upper side edge of the supporting block 2, two groups of protruding blocks 12 are arranged on the surface of one side, far away from the rotary tooth column 6, of the clamp head 7, the protruding blocks 12 are internally connected with clamping bolts 13 in a threaded manner, a pressing block 14 is slidably connected in an inclined reserved groove inside the clamp head 7, and the pressing block 14 is movably connected with the end portion of the clamping bolts 13 through a bearing.

In specific implementation, the clamping bolt 13 is unscrewed along the lug 12 in a rotating manner, so that the pressing block 14 can be driven to slide along the inclined reserved groove to be far away from the blade body 10 when the clamping bolt 13 rotates, and the blade body 10 can be replaced, taken out and reinstalled.

Referring to fig. 4, a through hole 9 is formed in the top of the clamp head 7 near the mounting cavity 8, a plurality of groups of anti-slip strips 11 which are distributed in parallel are fixed on the inner wall of one side of the mounting cavity 8 far away from the pressing block 14, a plurality of groups of anti-slip strips 11 which are distributed in parallel are fixed on the inner wall of the mounting cavity 8, and after the blade body 10 is mounted, the friction force contacted with the blade body 10 can be increased through the contact between the blade body 10 and the anti-slip strips 11.

In specific implementation, through holes 9 are formed in the top of the installation cavity 8 in a communicated mode, when the pressing blocks 14 are far away from the blade body 10 after the clamping bolts 13 are unscrewed, extrusion ejection of the blade body 10 can be assisted to be separated from the installation cavity 8 when a straight-line tool is inserted downwards along the through holes 9.

Referring to fig. 1-3, a groove 15 is formed on one side between the grab handle 1 and the support block 2, one end of the grab handle 1, which is close to the support block 2, is rotatably connected with a pull rod 16 through a rotating pin, a torsion spring 17 is sleeved on the rotating pin between the grab handle 1 and the pull rod 16, and when the wire breaker is in use, the grab handle 1 and the pull rod 16 can be separated through elastic extrusion of the torsion spring 17 by the torsion spring 17 sleeved on the rotating pin.

Referring to fig. 1-3, a buffer block 18 is integrally formed at the lower side of the tail of the grab handle 1 far away from the supporting block 2, an anti-skid block 19 is integrally formed at the upper side of the tail of the pull rod 16 far away from the supporting block 2, and a limit groove 20 is formed at the upper surface of the anti-skid block 19.

When the cable with the same length is required to be cut off for connecting the electric elements distributed at equal intervals in the power distribution engineering in series, the cables can be arranged between the buffer block 18 and the anti-skid block 19, the cables are arranged in the limiting grooves 20 on the upper side of the anti-skid block 19, the other ends of the cables penetrate through the grooves 15 and then are lapped at the abutting joint positions on the upper side of the supporting block 2, when the bending degree of the cables on one side of the pull rod 16 is adjusted, the thicker cables are cut one by one or the thinner cables are cut at one time, so that the length of the cut cables is conveniently controlled, when the grab handle 1 and the pull rod 16 are tightened, the cables can be prevented from being loosened at one end by clamping the buffer block 18 and the anti-skid block 19, and then the manpower-saving wire arranging operation is convenient when the wire breaker is used.

Referring to fig. 1-3, a pull ring 21 is movably connected to the tail surface of the buffer block 18, clamping blocks 22 distributed at equal intervals are fixed to the tail surface of the anti-skid block 19, and the clamping blocks 22 are in clamping connection with the pull ring 21.

In specific implementation, when the grab handle 1 and the pull rod 16 are tightened, the pull ring 21 is rotated to be clamped on the clamping block 22 at a proper position, the pull rod 16 can be held by the receiving hand, continuous locking of one end of the cable is ensured, and labor-saving operation is facilitated.

In summary, the cable is lapped at the abutting position of the supporting block 2, and the pressing wrench 4 drives the driving sector gear 3 to rotate, so that the driving sector gear 3 is meshed with the rotating gear column 6 when rotating, so that the rotating gear column 6 drives the clamp head 7 to press down and rotate, the clamp head 7 drives the blade body 10 to move to the abutting position of the supporting block 2 to realize the operation of clamping and breaking the cable, the wire breaker is ensured to be widely applied to the wiring operation of the power distribution engineering, and the content which is not described in detail in the description belongs to the prior art known to the person skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a distribution engineering is with circuit breaker convenient to change blade, includes grab handle (1), blade body (10) and pull rod (16), its characterized in that:

The front part of the grab handle (1) is fixedly provided with a supporting block (2), the upper side of the grab handle (1) is connected with a driving fan-shaped tooth (3) through a movable seat, one side, far away from the tooth surface, of the driving fan-shaped tooth (3) is welded with a spanner (4), the bottom of the spanner (4) is connected with a spring (5), the bottom end of the spring (5) is fixed with the upper side surface of the grab handle (1), one side, close to the driving fan-shaped tooth (3), of the grab handle (1) is also connected with a rotating tooth column (6) through the movable seat, and one side, far away from the tooth surface, of the rotating tooth column (6) is fixedly provided with a clamp head (7);

Install cavity (8) have been seted up to the tip inboard of binding clip (7), the inside grafting of install cavity (8) has blade body (10), one side surface that rotates tooth post (6) is kept away from to binding clip (7) is provided with two sets of lugs (12), the inside threaded connection of lug (12) has clamp bolt (13), sliding connection has briquetting (14) in the inside slope reservation groove of binding clip (7), briquetting (14) carry out swing joint through the tip of bearing with clamp bolt (13).

2. A power distribution engineering wire breaker facilitating replacement of blades as claimed in claim 1, wherein: the driving sector teeth (3) are connected with the rotating tooth columns (6) in a meshed mode, and abutting ports matched with the blade body (10) are formed in the upper side edges of the supporting blocks (2).

3. A power distribution engineering wire breaker facilitating replacement of blades as claimed in claim 1, wherein: the pliers head (7) is close to the top of the installation cavity (8) and is provided with a through hole (9), and a plurality of groups of anti-slip strips (11) which are distributed in parallel are fixed on the inner wall of one side of the installation cavity (8) away from the pressing block (14).

4. A power distribution engineering wire breaker facilitating replacement of blades as claimed in claim 1, wherein: a groove (15) is formed in one side between the grab handle (1) and the supporting block (2).

5. A power distribution engineering line breaker facilitating replacement of blades as recited in claim 4, wherein: one end of the grab handle (1) close to the supporting block (2) is rotationally connected with the pull rod (16) through a rotating pin, and a torsion spring (17) is sleeved on the rotating pin between the grab handle (1) and the pull rod (16).

6. A power distribution engineering line breaker facilitating replacement of blades as recited in claim 5, wherein: the grab handle (1) is kept away from afterbody downside integrated into one piece of riding block (2) and has buffer block (18), afterbody upside integrated into one piece that riding block (2) was kept away from to pull rod (16) has non slipping spur (19).

7. A power distribution engineering line breaker facilitating replacement of blades as recited in claim 6, wherein: limiting grooves (20) are formed in the upper surface of the anti-skid block (19), pull rings (21) are movably connected to the tail surface of the buffer block (18), and clamping blocks (22) distributed at equal intervals are fixed on the tail surface of the anti-skid block (19).