CN111451415A

CN111451415A - Portable pressure arm bolt cutter

Info

Publication number: CN111451415A
Application number: CN202010293105.6A
Authority: CN
Inventors: 丁文铃
Original assignee: 丁文铃
Current assignee: Huaibei Muwen Information Technology Co.,Ltd.
Priority date: 2019-11-09
Filing date: 2020-04-15
Publication date: 2020-07-28
Anticipated expiration: 2040-04-15
Also published as: CN111451415B

Abstract

The invention discloses a portable arm pressing bolt clipper, which relates to the technical field of bolt clippers, and particularly relates to a portable arm pressing bolt clipper. This portable pressure arm bolt cutter, the device can be with the outside of connecting the steel wire winding at the mount when removing, it is longer to have solved the bolt cutter size in the past, inconvenient and the problem of carrying, the degree of difficulty of removal has been reduced, in addition, through pushing down the power application pole, thereby drive the drive pawl and remove, when the drive pawl moves down, drive pawl bottom extrusion drive ratchet, thereby make the drive ratchet rotate, the drive ratchet drives the take-up pulley and rotates, wind the outside winding connecting steel wire of take-up pulley, thereby the pulling movable part moves to inside.

Description

Portable pressure arm bolt cutter

Technical Field

The invention relates to the technical field of bolt clippers, in particular to a portable pressure arm bolt clipper.

Background

Wire clippers are used for cutting thick metal wires, and generally include insulated handle wire clippers, iron handle wire clippers and pipe handle wire clippers, wherein the insulated handle wire clippers are commonly used by electricians, the working voltage of the insulated handle wire clippers is 1000V, the insulated handle wire clippers can be used for live working of wires below 380V of low-voltage electrical equipment, the wire clippers are commonly used for cutting wires and cables, and the specification of the wire clippers is represented by the total length.

The bigger the current bolt clipper specification is, the longer the length is, when carrying out the during operation in some comparatively crowded places, the longer bolt clipper of length is because length restriction, be unfavorable for the operation, the work degree of difficulty has been increased, and the longer disconnected lower plier weight of length is great, it is comparatively troublesome to carry, intensity of labour has been increased, the work efficiency has been reduced, in addition, to some turnings or the inside electric wire of semi-closed box, adopt conventional bolt clipper can not work, the work degree of difficulty has been increased, in addition to some special cases's electric wire, adopt conventional bolt clipper, because conventional bolt clipper length is limited, the incident takes place easily, the security has been reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the portable pressure arm bolt cutter which has the advantages of convenience in carrying, wide application range, safety, reliability and the like, and solves the problems in the background technology.

In order to realize the purposes of convenient carrying, wide application range, safety and reliability, the invention is realized by the following technical scheme: a portable arm pressing bolt clipper comprises a fixed frame and a fixed box, wherein a movable shaft is movably sleeved at the middle of the fixed frame, a winding wheel positioned in the fixed frame is fixedly sleeved at the outer part of the movable shaft, a driving ratchet wheel positioned on the right side of the winding wheel is fixedly sleeved at the outer part of the movable shaft, a rotating sleeve positioned on the right side of the driving ratchet wheel is movably sleeved at the outer part of the movable shaft, a force applying rod is fixedly installed on the front side of the rotating sleeve, a reset spring positioned on the right side of the rotating sleeve is fixedly sleeved at the outer part of the movable shaft, a transverse rod positioned on the right side of the driving ratchet wheel is fixedly installed at the back side of the fixed frame, a first movable rod is movably sleeved at the left side of the transverse rod, a limiting pawl is fixedly installed at the left side of the first movable rod, a jacking spring positioned between the limiting pawl and the transverse rod is sleeved at the outer part of the first, a driving pawl is fixedly mounted on the left side of the second movable rod, an extension spring is fixedly mounted below the force application rod, a connecting steel wire is wound on the outer portion of the winding wheel, a steering knuckle positioned on the left side of the fixing frame is sleeved on the outer portion of the connecting steel wire, a fixing shaft is fixedly mounted inside the fixing box, two wire cutters are sleeved on the outer portion of the fixing shaft in a movable manner, a pulley block is arranged between the two wire cutters, the left wire cutter is fixedly connected with the fixing portion, a first pulley is rotatably mounted in the fixing portion, the fixing portion is fixedly mounted on the fixing box, the right wire cutter is fixedly connected with the moving portion, a second pulley is rotatably mounted in the moving portion, the moving portion is movably mounted in a sliding groove in the fixing box through a sliding block fixed on the lower end face of the moving portion, and guide columns are respectively arranged on the right side of the left wire cutter and the left, the outer part of the guide post is movably sleeved with a tensioning spring, and the inner part of the fixed box is fixedly provided with a steering post positioned below the fixed shaft.

Preferably, the driving ratchet wheel, the limiting pawl and the driving pawl are located on the same vertical plane, the outer edges of the limiting pawl and the driving pawl are meshed with the driving ratchet wheel, and the limiting pawl is located above the driving pawl.

Preferably, the steel wire passes through the right side of the steering column and then winds the first pulley, passes through the first pulley and then winds the second pulley and is fixedly connected to the right side face of the fixing part.

Preferably, the outside fixed mounting of first movable rod has the spacing ring that is located the horizontal pole right side, and the right side fixed mounting of first movable rod has the carousel.

Preferably, reset spring's one end and loose axle fixed connection, and reset spring's the other end and the inner wall fixed connection on mount right side, extension spring's the other end and mount fixed connection, the bottom fixed mounting of mount has the spacing post that is located the forcing rod below.

Preferably, the number of the steering knuckles is between forty and fifty, the steering knuckles are clamped together two by two, and the two clamped steering knuckles can be adjusted in multiple directions.

Preferably, the two wire cutters are arranged on two sides of the fixed shaft in a mirror image mode, and the sliding groove is arc-shaped.

Preferably, the cross rod is located above the movable shaft, and the thickness of the wire cutter is half of the height of the inner cavity of the fixed box.

The invention provides a portable pressure arm bolt cutter, which has the following beneficial effects:

1. this portable pressure arm bolt clipper, the device can be with connecting the steel wire winding in the outside of mount when removing, the bolt clipper size in the past has been solved longer, inconvenient and the problem of carrying, the degree of difficulty of removal has been reduced, in addition, through pushing down power application pole, thereby drive the drive pawl and remove, when the drive pawl moves down, drive pawl bottom extrusion drive ratchet, thereby make the drive ratchet rotate, the drive ratchet drives the reel and rotates, roll up the outside winding connecting wire of reel, thereby the pulling movable part is to inside shrink, make right side bolt cutter to shrink to inside, tailor the electric wire, decide drive ratchet position down through spacing pawl, guarantee the stability of drive ratchet when cuting, thereby guarantee this shearing mechanism's validity.

2. According to the portable press arm wire clippers, due to the fact that the pulley block is arranged between the two wire clippers, the labor can be saved when the same wire is cut off in the cutting process.

3. This portable pressure arm bolt cutter, because can the multi-angle between two knuckles be adjusted, thereby can change the direction of fixed box wantonly, and then can place fixed box in the narrow or corner in space, solved the difficult problem that conventional bolt cutter can not carry out work at narrow scope in the past, the application range of the device has been increased, in addition, can change the quantity of knuckle, thereby change the distance between staff and the electric wire, the security of work has been increased, the probability of taking place the incident has been reduced.

Drawings

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

FIG. 2 is a schematic view of the connecting drive of the present invention;

FIG. 3 is a schematic diagram of the transmission cutting structure of the present invention;

fig. 4 is a cross-sectional view at a in fig. 3 of the present invention.

In the figure: 1. a fixed mount; 2. a movable shaft; 3. a winding wheel; 4. driving the ratchet wheel; 5. rotating the sleeve; 6. a stressing rod; 7. a return spring; 8. a cross bar; 9a, a first movable rod; 9b, a second movable rod; 10. a limiting pawl; 11. pressing the spring; 12. a drive pawl; 13. an extension spring; 14. a knuckle; 15.

a fixing box; 16. a wire cutter; 17. connecting steel wires; 18. a pulley block; 181. a fixed part; 182. a fixed pulley; 183. a movable pulley; 184. a moving part; 185. a slider; 19. a fixed shaft; 20. tensioning the spring; 21. a steering column; 22. a chute; 23. and a guide post.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a portable pressure arm bolt cutter comprises a fixed frame 1 and a fixed box 15, wherein a movable shaft 2 is movably sleeved at the middle part of the fixed frame 1, a winding wheel 3 positioned inside the fixed frame 1 is fixedly sleeved outside the movable shaft 2, a driving ratchet wheel 4 positioned on the right side of the winding wheel 3 is fixedly sleeved outside the movable shaft 2, a rotating sleeve 5 positioned on the right side of the driving ratchet wheel 4 is movably sleeved outside the movable shaft 2, a force applying rod 6 is fixedly installed on the front side of the rotating sleeve 5, a reset spring 7 positioned on the right side of the rotating sleeve 5 is fixedly sleeved outside the movable shaft 2, a cross rod 8 positioned on the right side of the driving ratchet wheel 4 is fixedly installed on the back side of the fixed frame 1, a first movable rod 9a is movably sleeved on the left side of the cross rod 8, a limit pawl 10 is fixedly installed on the left side of the first movable rod 9a, a jacking spring 11 positioned between the limit pawl 10 and the cross rod 8 is movably sleeved outside, a second movable rod 9b is movably sleeved on the front surface of the stress application rod 6, a driving pawl 12 is fixedly installed on the left side of the second movable rod 9b, an extension spring 13 is fixedly installed below the stress application rod 6, a connecting steel wire 17 is wound outside the winding wheel 3, a knuckle 14 positioned on the left side of the fixed frame 1 is movably sleeved outside the connecting steel wire 17, a fixed shaft 19 is fixedly installed inside the fixed box 15, two wire cutters 16 are movably sleeved outside the fixed shaft 19, a pulley block 18 is arranged between the two wire cutters 16, the left wire cutter 16 is fixedly connected with a fixed part 181, a first pulley 182 is rotatably installed in the fixed part 181, the fixed part 181 is fixedly installed on the fixed box 15, the right wire cutter 16 is fixedly connected with a movable part 184, a second pulley 183 is rotatably installed in the movable part, the movable part 184 is movably installed in a chute 22 on the fixed box 15 through a slider 185 fixed on the lower end surface of the movable part 184, left side broken

The right side of the thread cutter 16 and the left side of the right thread cutter 16 are respectively provided with a guide post 23, the outer part of the guide post 23 is movably sleeved with a tension spring 20, and the inner part of the fixed box 15 is fixedly provided with a steering post 21 positioned below the fixed shaft 19.

The driving ratchet wheel 4, the limiting pawl 10 and the driving pawl 12 are located on the same vertical surface, the outer edges of the limiting pawl 10 and the driving pawl 12 are meshed with the driving ratchet wheel 4, the limiting pawl 10 is located above the driving pawl 12, the driving pawl 12 is driven to move by pressing the force applying rod 6 downwards, when the driving pawl 12 moves downwards, the bottom end of the driving pawl 12 extrudes the driving ratchet wheel 4 to enable the driving ratchet wheel 4 to rotate, the driving ratchet wheel 4 drives the winding wheel 3 to rotate, the connecting steel wire 17 wound outside the winding wheel 3 is wound up, the moving portion 184 is pulled to contract inwards, the right broken wire 16 is contracted inwards, electric wires are cut, the position of the driving ratchet wheel 4 is determined through the limiting pawl 10, the stability of the driving ratchet wheel 4 during cutting is guaranteed, and the effectiveness of the cutting device is guaranteed.

The wire 17 passes through the right side of the steering column 21, then winds around the first pulley 182, passes through the first pulley 182, then winds around the second pulley 183, and is fixedly connected to the right side surface of the fixing part 181, and the first pulley 182 and the second pulley 183 form a pulley block in a winding mode, so that the same wire can be cut in a labor-saving mode in the cutting process.

Wherein, the outside fixed mounting of first movable rod 9a has the spacing ring that is located horizontal pole 8 right side, and the right side fixed mounting of first movable rod 9a has the carousel, and the spacing ring is injectd first movable rod 9 a's position, guarantees spacing pawl 10 and drive pawl 12 and drive ratchet 4 intermeshing all the time to guarantee the validity of the device, reduced the probability that takes place to destroy.

Wherein, one end of the reset spring 7 is fixedly connected with the movable shaft 2, and the other end of the reset spring 7 is fixedly connected with the inner wall on the right side of the fixed frame 1, the other end of the extension spring 13 is fixedly connected with the fixed frame 1, the bottom of the fixed frame 1 is fixedly provided with a limit post positioned below the stressing rod 6, after the electric wire is cut, the first movable rod 9a is pulled towards the right side, so that the limit pawl 10 and the drive pawl 12 are free from the limitation on the drive ratchet wheel 4, the reset spring 7 has elastic potential energy, and drives the movable shaft 2 to rotate towards the opposite direction, so that the connecting steel wire 17 is restored to the initial state, the tensioning spring 20 extrudes the wire cutters 16 towards the two sides, so as to pull the connecting steel wire 17, further restore the connecting steel wire 17 to the initial state, so that the two wire cutters 16 are opened, the electric wire is continuously cut, and.

Wherein, the quantity of knuckle 14 is between forty to fifty, and the two liang of joints of knuckle 14 are in the same place, and the knuckle 14 of two joints can multidirectional regulation, can twine the outside at mount 1 with connecting wire 17 when the device removes, has solved that the bolt clipper size is longer in the past, inconvenient and the problem of carrying, has reduced the degree of difficulty of removing.

Wherein, because can the multi-angle between two knuckles 14 adjust to can change the direction of fixed box 15 wantonly, and then can place fixed box 15 in the narrow or corner in space, solved the difficult problem that conventional bolt clipper can not carry out work in narrow scope in the past, increased the device's application range, in addition, can change the quantity of knuckle 14, thereby change the distance between staff and the electric wire, increased the security of work, reduced the probability of taking place the incident.

Wherein, the horizontal pole 8 is located the top of loose axle 2, and the thickness of broken string sword 16 is half of the fixed box 15 inner chamber height, and the thickness of two broken string swoves 16 is the same with the width of fixed box 15 inner chamber, has guaranteed two broken string swoves 16 stability inside fixed box 15 to guaranteed the stability when tailorring the electric wire, further reduced the device and taken place the probability of damaging.

In conclusion, when the portable press arm wire clipper is used, the fixing box 15 is placed on the outer side of an electric wire, the driving pawl 12 is driven to move by pressing the force applying rod 6 downwards, when the driving pawl 12 moves downwards, the bottom end of the driving pawl 12 extrudes the driving ratchet 4, so that the driving ratchet 4 rotates, the driving ratchet 4 drives the winding wheel 3 to rotate, the connecting steel wire 17 wound on the outer part of the winding wheel 3 is wound, the moving part 184 is pulled to contract inwards, the right wire cutter 16 contracts inwards, the electric wire is cut, the position of the driving ratchet 4 is fixed through the limiting pawl 10, the stability of the driving ratchet 4 is ensured during cutting, the effectiveness of the cutting device is ensured, the direction of the fixing box 15 can be changed at will due to the multi-angle adjustment between the two steering knuckles 14, so that the fixing box 15 can be placed in a narrow space or a corner, the problem that the conventional wire clippers cannot work in a narrow range is solved, the number of the steering knuckles 14 can be changed, the distance between a worker and an electric wire is changed, the safety of work is improved, after the electric wire is cut, the first movable rod 9a is pulled to the right side, so that the limit pawl 10 and the driving pawl 12 are free from limiting the driving ratchet wheel 4, the movable shaft 2 is driven to rotate in the opposite direction due to the elastic potential energy of the reset spring 7, so that the connecting steel wire 17 is restored to the initial state, the wire cutters 16 are extruded to the two sides by the tensioning spring 20, the connecting steel wire 17 is pulled, the connecting steel wire 17 is further restored to the initial state, the two wire cutters 16 are opened, and the electric wire is cut continuously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a portable pressure arm bolt cutter, includes mount (1), fixed box (15), its characterized in that: the movable shaft (2) is movably sleeved at the middle of the fixing frame (1), the winding wheel (3) positioned in the fixing frame (1) is fixedly sleeved outside the movable shaft (2), the driving ratchet wheel (4) positioned on the right side of the winding wheel (3) is fixedly sleeved outside the movable shaft (2), the rotating sleeve (5) positioned on the right side of the driving ratchet wheel (4) is sleeved outside the movable shaft (2), the reinforcing rod (6) is fixedly installed on the front side of the rotating sleeve (5), the reset spring (7) positioned on the right side of the rotating sleeve (5) is sleeved outside the movable shaft (2), the transverse rod (8) positioned on the right side of the driving ratchet wheel (4) is fixedly installed on the back side of the fixing frame (1), the first movable rod (9 a) is movably sleeved on the left side of the transverse rod (8), the limiting pawl (10) is fixedly installed on the left side of the first movable rod (9 a), and the external activity of the first movable rod (9 a) is sleeved with a top pressure spring (11) positioned between a limiting pawl (10) and a cross rod (8), the front activity of the stressing rod (6) is sleeved with a second movable rod (9 b), the left side of the second movable rod (9 b) is fixedly provided with a driving pawl (12), the lower part of the stressing rod (6) is fixedly provided with a tension spring (13), the outside of the winding wheel (3) is wound with a connecting steel wire (17), the external activity of the connecting steel wire (17) is sleeved with a knuckle (14) positioned at the left side of the fixed frame (1), the inside of the fixed box (15) is fixedly provided with a fixed shaft (19), the external activity of the fixed shaft (19) is sleeved with two wire cutters (16), a pulley block (18) is arranged between the two wire cutters (16), the left side wire cutter (16) is fixedly connected with a fixed part (181), first pulley (182) are installed in fixed part (181) internal rotation, fixed part (181) fixed mounting is in fixed box (15), right side wire cutter (16) and removal portion (184) fixed connection, removal portion internal rotation installs second pulley (183), removal portion (184) are in spout (22) of installing on fixed box (15) through slider (185) the removal of fixing its lower extreme face, left side wire cutter (16) right side and right wire cutter (16) left side are provided with guide post (23) respectively, tensioning spring (20) have been cup jointed in the outside activity of guide post (23), the inside fixed mounting of fixed box (15) has steering post (21) that is located fixed axle (19) below.

2. The portable pressure arm bolt clipper of claim 1, characterized in that: the driving ratchet wheel (4), the limiting pawl (10) and the driving pawl (12) are located on the same vertical surface, the outer edges of the limiting pawl (10) and the driving pawl (12) are meshed with the driving ratchet wheel (4), and the limiting pawl (10) is located above the driving pawl (12).

3. The portable pressure arm bolt clipper of claim 1, characterized in that: the steel wire (17) passes through the right side of the steering column (21) and then winds the first pulley (182), passes through the first pulley (182) and then winds the second pulley (183) and is fixedly connected to the right side face of the fixing part (181).

4. The portable pressure arm bolt clipper of claim 1, characterized in that: the outside fixed mounting of first movable rod (9 a) has the spacing ring that is located horizontal pole (8) right side, and the right side fixed mounting of first movable rod (9 a) has the carousel.

5. The portable pressure arm bolt clipper of claim 1, characterized in that: one end and loose axle (2) fixed connection of reset spring (7), and the inner wall fixed connection on the other end and mount (1) right side of reset spring (7), the other end and mount (1) fixed connection of extension spring (13), the bottom fixed mounting of mount (1) has the spacing post that is located application of force pole (6) below.

6. The portable pressure arm bolt clipper of claim 1, characterized in that: the number of the steering knuckles (14) is between forty and fifty, the steering knuckles (14) are clamped together in pairs, and the two clamped steering knuckles (14) can be adjusted in multiple directions.

7. The portable pressure arm bolt clipper of claim 1, characterized in that: the two wire cutters (16) are distributed on two sides of the fixed shaft (19) in a mirror image mode, and the sliding groove (22) is arc-shaped.

8. The portable pressure arm bolt clipper of claim 1, characterized in that: the cross rod (8) is positioned above the movable shaft (2), and the thickness of the wire cutter (16) is half of the height of the inner cavity of the fixed box (15).