CN113889896A - Ratchet type cable shear with adjustable shearing range - Google Patents
Ratchet type cable shear with adjustable shearing range Download PDFInfo
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- CN113889896A CN113889896A CN202111013787.1A CN202111013787A CN113889896A CN 113889896 A CN113889896 A CN 113889896A CN 202111013787 A CN202111013787 A CN 202111013787A CN 113889896 A CN113889896 A CN 113889896A
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- movable
- fixed
- handle
- bottom plate
- knife rest
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/005—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for cutting cables or wires, or splicing
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Abstract
The invention discloses a ratchet type cable shear with an adjustable shearing range, which comprises a fixed handle, a movable handle, a fixed tool rest, a movable tool rest, a bottom plate, a cover plate, a rack and a pawl, wherein the fixed handle is fixedly connected to the surface of the bottom plate, the movable handle is rotatably connected with the bottom plate, the rotating part of the movable handle is provided with the rack which rotates in a single direction, the left side of the rack is provided with the pawl which is movably connected, the surface of the bottom plate is fixedly connected with the cover plate, the end part of the bottom plate is fixedly connected with the fixed tool rest, the end part of the fixed tool rest is provided with the movable tool rest which is rotatably connected, the connecting part of the fixed tool rest and the movable tool rest is provided with a rotating pin, and a blade which is detachably connected is arranged inside the movable tool rest. According to the invention, the detachable connected blade is arranged on the surface of the movable tool rest, so that the blade with the appropriate size of the shearing tool edge can be conveniently replaced according to the diameter of the cable, and compared with the integrated movable tool rest, the shearing range of the cable shears on the cable is greatly improved, and the use universality is improved.
Description
Technical Field
The invention relates to the technical field of cable shearing tools, in particular to ratchet wheel type cable shears with adjustable shearing ranges.
Background
The cable shears are special pliers for shearing cables, and two blades of the pliers are staggered and can be opened and closed. The cable scissors are large scissors and designed by utilizing the lever principle and the inverse ratio of pressure intensity to area. For the intensity, the convenience that strengthen the cable and cut, the cable is cut and is developed ratchet cable from traditional manual cable is cut, and hydraulic cable is cut, electronic hydraulic cable is cut, full-electric cable is cut again in succession.
The cable is cut to be used for cutting the instrument commonly used of cable specially in the power line construction, and the power transmission cable erects the field work that is poor in construction condition many, lacks power such as power, therefore manual cable shearing tool still uses widely, and this type of instrument utilizes lever cooperation gear drive mostly, drives the cutter and cuts off metal cable gradually.
At present, ratchet cable in the market is cut and is used the fixed movable blade of size more, need use different cable scissors when cutting the operation to the cable of equidimension not, and the application range of shearing work is less, and greatly increased the cost of transportation, and some cable scissors can be furnished with telescopic operating handle, but usually for once adjusting, can only pack up completely or stretch out completely, brought the inconvenience for the use in actual operation. For this reason, a new technical solution needs to be designed for solution.
Disclosure of Invention
The invention aims to provide a ratchet type cable shear with an adjustable shearing range, and solves the problems that the shearing range is small and a handle is not convenient to stretch and use when the ratchet type cable shear in the prior art works.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shearing range adjustable ratchet formula cable is cut, includes fixed handle, movable handle, stationary knife rest, movable knife rest, bottom plate, apron, rack and pawl, fixed handle fixed connection is on the surface of bottom plate, movable handle rotates with the bottom plate to be connected, movable handle's rotation department is equipped with one-way pivoted rack, the left side of rack is equipped with swing joint's pawl, the fixed surface of bottom plate is connected with the apron, the tip fixedly connected with stationary knife rest of bottom plate, stationary knife rest's tip is equipped with the movable knife rest of rotating the connection, stationary knife rest is equipped with the rotational pin with movable knife rest's junction, movable knife rest's inside is equipped with the blade of dismantling the connection, evenly distributed's tooth's socket is seted up to movable knife rest's edge, the tooth's socket is connected with rack toothing.
As an improvement of the technical scheme, the movable tool rest is composed of a base plate, positioning grooves and positioning pins, the positioning grooves are formed in the surface of the base plate, the positioning pins are fixedly connected to the surface of the positioning grooves in a staggered mode, and threaded holes are formed in the end portions of the positioning pins.
As an improvement of the above technical scheme, the surface of the blade is provided with positioning holes, the positioning holes correspond to the positioning pins one to one, the inner side of the blade is provided with a shearing knife edge, the edge of the shearing knife edge is provided with a material pushing slope, and the outer side of the blade is provided with positioning strips.
As an improvement of the technical scheme, the surface of the bottom plate is fixedly connected with a positioning column, the surface of the positioning column is connected with a return spring in a sleeved mode, and two sides of the return spring are connected with the fixed handle and the movable handle in a buckled mode respectively.
As an improvement of the technical scheme, through holes are formed in the tops of the movable tool rest and the fixed tool rest, bushings in plug connection are arranged inside the through holes, the bushings are in interference fit connection with the through holes, and the inner diameters of the bushings are larger than the diameter of the rotating pin.
As an improvement of the above technical scheme, the fixed handle and the movable handle have the same structure, the fixed handle comprises an inner rod, an outer tube and a connecting ferrule, the upper end of the inner rod is fixedly connected with the bottom plate, the outer tube is connected to the surface of the inner rod in a sleeved mode and is in sliding connection with the inner rod, and the top of the outer tube is fixedly connected with the connecting ferrule.
As an improvement of the technical scheme, the inner wall of the connecting ring is provided with a rotatably connected buckling pin, the joint of the buckling pin and the connecting ring is provided with an embedded groove, the joint is provided with a torsion spring, and the outer end of the end part of the buckling pin is provided with a clamping groove.
As an improvement of the technical scheme, a plurality of notch grooves are formed in the surface of the inner rod and are distributed along the axial direction of the inner rod at equal intervals, and the notch grooves are connected with the clamping grooves at the end parts of the buckling pins in an embedded mode.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the detachable connected blade is arranged on the surface of the movable tool rest, so that the blade with the appropriate size of the shearing tool edge can be conveniently replaced according to the diameter of the cable, and compared with the integrated movable tool rest, the shearing range of the cable shears on the cable is greatly improved, and the use universality is improved.
2. According to the invention, the fixed handle and the movable handle which are designed in a telescopic manner are adopted, so that the cable cutter is convenient to adjust in the process of cutting the cable, the working range of the cable cutter is greatly expanded, the cable cutter can conveniently cut cables at different positions, the movable handle is more labor-saving in working, and the convenience in operation is improved.
3. According to the invention, the movable buckling pin is arranged on the inner wall of the connecting ring and is matched with the notch grooves uniformly distributed on the surface of the inner rod along the axial direction, so that the convenience of connection between the outer pipe and the inner rod is improved, and the clamping groove is formed in the end part of the buckling pin, so that the stability of connection between the outer pipe and the inner rod is improved, and the construction operation is facilitated.
Drawings
FIG. 1 is a schematic view of the surface structure of a ratchet type cable cutter with an adjustable cutting range according to the present invention;
FIG. 2 is a schematic side view of a ratchet type cable cutter with an adjustable cutting range according to the present invention;
FIG. 3 is a schematic view of the internal structure of the base plate according to the present invention;
FIG. 4 is a schematic view of the surface structure of the movable tool holder according to the present invention;
FIG. 5 is a schematic view of the back side of the blade of the present invention;
fig. 6 is a schematic top view of a half-section structure of the connecting ferrule of the present invention.
In the figure: the device comprises a fixed handle-1, a movable handle-2, a fixed knife rest-3, a movable knife rest-4, a bottom plate-5, a cover plate-6, a rack-7, a pawl-8, a rotating pin-9, a blade-10, a tooth socket-11, a base plate-12, a positioning groove-13, a positioning pin-14, a threaded hole-15, a positioning hole-16, a shearing knife opening-17, a material pushing slope-18, a positioning strip-19, a positioning column-20, a reset spring-21, a through hole 22, a bushing-23, an inner rod-24, an outer tube-25, a connecting ferrule-26, a buckling pin-27, an embedded groove-28, a torsion spring-29, a clamping groove-30 and a notch groove-31.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In embodiment 1, please refer to fig. 1-6, the present invention provides a technical solution: a ratchet type cable shear with an adjustable shearing range comprises a fixed handle 1, a movable handle 2, a fixed tool rest 3, a movable tool rest 4, a bottom plate 5, a cover plate 6, a rack 7 and a pawl 8, wherein the fixed handle 1 is fixedly connected to the surface of the bottom plate 5, the movable handle 2 is rotatably connected with the bottom plate 5, the rotating position of the movable handle 2 is provided with the rack 7 which rotates in one direction, the left side of the rack 7 is provided with the pawl 8 which is movably connected, the surface of the bottom plate 5 is fixedly connected with the cover plate 6, the end of the bottom plate 5 is fixedly connected with the fixed tool rest 3, the end of the fixed tool rest 3 is provided with the movable tool rest 4 which is rotatably connected, the connecting position of the fixed tool rest 3 and the movable tool rest 4 is provided with a rotating pin 9, the movable tool rest 4 is internally provided with a detachable connecting blade 10, and the edge of the movable tool rest 4 is provided with a tooth socket 11 which is uniformly distributed, the tooth grooves 11 are meshed with the rack 7.
In embodiment 2, please refer to fig. 4-5, in the technical scheme of this embodiment, for the movable knife rest installed on the fixed knife rest, in order to facilitate the detachment and installation of the blade, the movable knife rest capable of replacing the blade is installed at the end of the fixed knife rest, the movable knife rest 4 is composed of a substrate 12, a positioning groove 13 and a positioning pin 14, the positioning groove 13 is formed on the surface of the substrate 12, the positioning pin 14 is fixedly connected to the surface of the positioning groove 13 in a staggered manner, the end of the positioning pin 14 is provided with a threaded hole 15, the structural stability of connection between the blade 10 and the substrate 12 is improved by arranging the positioning pin 14 in a staggered manner on the surface of the substrate 12, and the blade 10 and the bottom plate 5 are fixedly connected by using a bolt through the threaded hole 15 formed at the end of the positioning pin 14.
According to the invention, the detachable connected blade 10 is arranged on the surface of the movable tool rest 4, so that the blade 10 with the appropriate size of the shearing tool edge 17 can be conveniently replaced according to different diameters of cables, and compared with the integrated movable tool rest 4, the cable shearing range of the cable shears is greatly improved, and the use universality is improved.
Further improved ground, the fixed surface of bottom plate 5 is connected with reference column 20, reference column 20's surface cup joints and is connected with reset spring 21, reset spring 21's both sides are connected with fixed handle 1 and the 2 locks of activity handle respectively, through being equipped with the reference column 20 of taking reset spring 21 between fixed handle 1 and activity handle 2, conveniently fix reset spring 21, are convenient for drive movable handle 2 simultaneously and reset, improve the convenience that the staff used the cable to cut.
Further improve ground, through-hole 22 has all been seted up at movable knife rest 4 and fixed knife rest 3's top, through-hole 22's inside is equipped with plug-in connection's bush 23, bush 23 is connected with through-hole 22 interference gomphosis, the internal diameter of bush 23 is greater than the diameter of rotating pin 9, is equipped with the through-hole 22 of taking bush 23 through the junction at movable knife rest 4 and fixed knife rest 3, avoids movable knife rest 4 and fixed knife rest 3 to move about for a long time and take place wearing and tearing, convenient maintenance, change, improves the precision of being connected between movable knife rest 4 and the fixed knife rest 3 simultaneously.
According to the invention, the fixed handle 1 and the movable handle 2 which are designed in a telescopic manner are adopted, so that the cable cutter is convenient to adjust in the process of cutting the cable, the working range of the cable cutter is greatly expanded, the cable cutter is convenient to cut cables at different positions, the movable handle 2 is more labor-saving in working, and the convenience in operation is improved.
Further improved, the inner wall of the connecting ring 26 is provided with a buckling pin 27 which is rotatably connected, the joint of the buckling pin 27 and the connecting ring 26 is provided with an inner caulking groove 28, the joint is provided with a torsion spring 29, the outer end of the end part of the buckling pin 27 is provided with a clamping groove 30, the buckling pin 27 with the torsion spring 29 is arranged in the connecting ring 26, the buckling pin 27 is convenient to keep the outward popping trend all the time, and therefore the inner rod 24 is convenient to fix.
Specifically, improve ground, a plurality of incision grooves 31 have been seted up on interior pole 24's surface, incision groove 31 distributes along interior pole 24's axial equidistance, incision groove 31 is connected with the mutual gomphosis of draw-in groove 30 of lock round pin 27 tip, is equipped with incision groove 31 through the surface at interior pole 24 along the axial, and the draw-in groove 30 of cooperation lock round pin 27 and its tip is convenient for improves the stability of being connected between lock round pin 27 and interior pole 24, improves the flexible stability of fixed handle 1 and movable handle 2.
According to the invention, the movable buckling pins 27 are arranged on the inner wall of the connecting ferrule 26 and are matched with the notch grooves 31 uniformly distributed on the surface of the inner rod 24 along the axial direction, so that the convenience of connection between the outer pipe 25 and the inner rod 24 is improved, and the clamping grooves 30 are arranged at the end parts of the buckling pins 27, so that the stability of connection between the outer pipe 25 and the inner rod 24 is improved, and the construction operation is facilitated.
When the cable cutter is used, a cable is placed between the movable cutter frame 4 and the fixed cutter frame 3, the fixed handle 1 and the movable handle 2 are held by hands, the rack 7 is driven to move by swinging the movable handle 2, so that the movable cutter frame 4 is pushed to rotate along the rotating pin 9, the cable is cut, when cables with different diameters are cut, the blades 10 with different sizes of the cutting edges 17 are replaced according to the diameters of the cables, the blades 10 are placed on the surface of the fixed cutter frame 3, the positioning strips 19 are buckled with the positioning grooves 13, the positioning holes 16 and the positioning pins 14 are fixedly connected by bolts in a penetrating way, so that the cutting range of the cable cutter is increased, when the operation is laborious or the cutting position is far away, the outer pipe 25 is manually rotated, the buckling pin 27 is embedded into the operation, the outer pipe 25 is downwards pulled out to a proper position, the outer pipe 25 is reversely rotated, the buckling pin 27 is popped out and embedded into the cutting groove 31 under the action of the torsion spring 29, the outer tube 25 is rotated until the engaging groove 30 at the end of the engaging pin 27 engages with the inner wall of the notch groove 31.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a cut scope adjustable ratchet formula cable scissors, includes fixed handle (1), activity handle (2), fixed knife rest (3), activity knife rest (4), bottom plate (5), apron (6), rack (7) and pawl (8), its characterized in that: the fixed handle (1) is fixedly connected on the surface of the bottom plate (5), the movable handle (2) is rotatably connected with the bottom plate (5), a rack (7) which rotates in a single direction is arranged at the rotating position of the movable handle (2), a pawl (8) which is movably connected is arranged at the left side of the rack (7), the surface of the bottom plate (5) is fixedly connected with a cover plate (6), the end part of the bottom plate (5) is fixedly connected with a fixed knife rest (3), the end part of the fixed knife rest (3) is provided with a movable knife rest (4) which is connected in a rotating way, a rotating pin (9) is arranged at the joint of the fixed knife rest (3) and the movable knife rest (4), a detachable blade (10) is arranged inside the movable knife rest (4), tooth grooves (11) which are uniformly distributed are formed in the edge of the movable tool rest (4), and the tooth grooves (11) are meshed with the racks (7).
2. A shear range adjustable ratcheting cable shear as defined in claim 1, wherein: the movable tool rest (4) is composed of a base plate (12), a positioning groove (13) and a positioning pin (14), the positioning groove (13) is formed in the surface of the base plate (12), the positioning pin (14) which is distributed in a staggered mode is fixedly connected to the surface of the positioning groove (13), and a threaded hole (15) is formed in the end portion of the positioning pin (14).
3. A shear range adjustable ratcheting cable shear as defined in claim 2, wherein: locating hole (16) have been seted up on the surface of blade (10), locating hole (16) and locating pin (14) one-to-one, the inboard of blade (10) is equipped with shearing edge of a knife (17), the edge of shearing edge of a knife (17) is equipped with pushes away material slope (18), the outside of blade (10) is equipped with location strip (19).
4. A shear range adjustable ratcheting cable shear as defined in claim 1, wherein: the fixed surface of bottom plate (5) is connected with reference column (20), the surface of reference column (20) cup joints and is connected with reset spring (21), the both sides of reset spring (21) are connected with fixed handle (1) and activity handle (2) lock respectively.
5. A shear range adjustable ratcheting cable shear as defined in claim 1, wherein: through-hole (22) have all been seted up at the top of activity knife rest (4) and fixed knife rest (3), the inside of through-hole (22) is equipped with plug-in connection's bush (23), bush (23) are connected with through-hole (22) interference gomphosis, the internal diameter of bush (23) is greater than the diameter of rotating pin (9).
6. A shear range adjustable ratcheting cable shear as defined in claim 1, wherein: the structure of fixed handle (1) and activity handle (2) is the same, fixed handle (1) is including interior pole (24), outer tube (25) and connection lasso (26), the upper end and bottom plate (5) fixed connection of interior pole (24), outer tube (25) cup joint connect in the surface of interior pole (24) and with interior pole (24) sliding connection, the top fixedly connected with of outer tube (25) connects lasso (26).
7. A shear range adjustable ratcheting cable shear as defined in claim 6, wherein: the inner wall of the connecting ferrule (26) is provided with a buckling pin (27) which is rotatably connected, the joint of the buckling pin (27) and the connecting ferrule (26) is provided with an inner embedded groove (28), the joint is provided with a torsion spring (29), and the outer end of the end part of the buckling pin (27) is provided with a clamping groove (30).
8. A shear range adjustable ratcheting cable shear as defined in claim 7, wherein: a plurality of incision grooves (31) are formed in the surface of the inner rod (24), the incision grooves (31) are distributed along the axial direction of the inner rod (24) at equal intervals, and the incision grooves (31) are connected with clamping grooves (30) at the end portions of the buckling pins (27) in an embedded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013787.1A CN113889896A (en) | 2021-08-31 | 2021-08-31 | Ratchet type cable shear with adjustable shearing range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013787.1A CN113889896A (en) | 2021-08-31 | 2021-08-31 | Ratchet type cable shear with adjustable shearing range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113889896A true CN113889896A (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111013787.1A Pending CN113889896A (en) | 2021-08-31 | 2021-08-31 | Ratchet type cable shear with adjustable shearing range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113889896A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2267110Y (en) * | 1996-07-17 | 1997-11-12 | 姚德利 | Multi-function mechanism type shears for for cutting wire |
| US20080307657A1 (en) * | 2007-06-14 | 2008-12-18 | Emerson Electric Co. | Ratcheting hand tool with easily replaceable cutting blade |
| US20090071013A1 (en) * | 2007-09-07 | 2009-03-19 | Hartranft Bruce W | Handheld cable cutter with stabilizing base |
| CN202180256U (en) * | 2011-04-15 | 2012-04-04 | 姚德利 | Improved cable cutter |
| CN205646618U (en) * | 2016-04-27 | 2016-10-12 | 乐清市黑马工具有限公司 | Cable shearing mechanism with adjustable |
| CN208569870U (en) * | 2018-08-30 | 2019-03-01 | 广西理工职业技术学校 | A kind of hand-held radio remote control device of computer multimedia courseware |
| US20200078875A1 (en) * | 2018-09-07 | 2020-03-12 | Klein Tools, Inc. | Cable Cutter |
| CN211930095U (en) * | 2020-03-03 | 2020-11-13 | 天津立津伟业机电有限公司 | A tangent line equipment for being directed at car pencil is handled |
-
2021
- 2021-08-31 CN CN202111013787.1A patent/CN113889896A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2267110Y (en) * | 1996-07-17 | 1997-11-12 | 姚德利 | Multi-function mechanism type shears for for cutting wire |
| US20080307657A1 (en) * | 2007-06-14 | 2008-12-18 | Emerson Electric Co. | Ratcheting hand tool with easily replaceable cutting blade |
| US20090071013A1 (en) * | 2007-09-07 | 2009-03-19 | Hartranft Bruce W | Handheld cable cutter with stabilizing base |
| CN202180256U (en) * | 2011-04-15 | 2012-04-04 | 姚德利 | Improved cable cutter |
| CN205646618U (en) * | 2016-04-27 | 2016-10-12 | 乐清市黑马工具有限公司 | Cable shearing mechanism with adjustable |
| CN208569870U (en) * | 2018-08-30 | 2019-03-01 | 广西理工职业技术学校 | A kind of hand-held radio remote control device of computer multimedia courseware |
| US20200078875A1 (en) * | 2018-09-07 | 2020-03-12 | Klein Tools, Inc. | Cable Cutter |
| CN211930095U (en) * | 2020-03-03 | 2020-11-13 | 天津立津伟业机电有限公司 | A tangent line equipment for being directed at car pencil is handled |
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| PB01 | Publication | ||
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Application publication date: 20220104 |