WO2022206878A1 - 剪切钳和剪切钳钳头 - Google Patents

剪切钳和剪切钳钳头 Download PDF

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Publication number
WO2022206878A1
WO2022206878A1 PCT/CN2022/084291 CN2022084291W WO2022206878A1 WO 2022206878 A1 WO2022206878 A1 WO 2022206878A1 CN 2022084291 W CN2022084291 W CN 2022084291W WO 2022206878 A1 WO2022206878 A1 WO 2022206878A1
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WO
WIPO (PCT)
Prior art keywords
cutting
pliers
shearing
blade
handle
Prior art date
Application number
PCT/CN2022/084291
Other languages
English (en)
French (fr)
Inventor
沈跃娟
Original Assignee
诸暨市艾拓五金工具有限公司
浙江威仕电气有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 诸暨市艾拓五金工具有限公司, 浙江威仕电气有限公司 filed Critical 诸暨市艾拓五金工具有限公司
Priority to CA3159126A priority Critical patent/CA3159126A1/en
Priority to US17/664,586 priority patent/US20220314346A1/en
Publication of WO2022206878A1 publication Critical patent/WO2022206878A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D29/00—Hand-held metal-shearing or metal-cutting devices
    • B23D29/02—Hand-operated metal-shearing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02—Jaws
    • B25B7/04—Jaws adjustable
    • 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
    • H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof

Definitions

  • the utility model relates to the technical field of tools, in particular to a cutting pliers and a cutting pliers head.
  • Pipe fittings are used to connect pipes.
  • General pipe fittings include elbows, tees, large and small heads, pipe caps, various pipe joints, flanges, valves, expansion joints, pipe supports and so on.
  • non-metallic pipes such as plastic pipes and these pipe fittings are often connected by socketing.
  • the opening of the non-metallic pipe is expanded first, and then the expanded pipe is sleeved on the pipe fittings, and then Under the action of the tension of the non-metallic pipe itself, it shrinks and hugs the pipe fittings, so as to achieve the purpose of tightly fitting the non-metallic pipe on the pipe fittings.
  • the utility model provides a cutting pliers and a cutting pliers head which can be adapted to pipe diameters of different sizes.
  • the present invention provides a cutting pliers, comprising a cutting pliers main body, a first cutting part, a second cutting part, an adjusting part and a hinge member.
  • the main body of the cutting pliers includes a left pliers handle and a right pliers handle hinged to each other; the second cutting part and the first cutting part have the shortest distance and cooperate with the first cutting part to realize the cutting function; the adjusting part is used for adjusting The size of the shortest distance; one end of the first cutting part is connected with the right clamp handle through a hinge member, and one end of the second cutting part is connected with the left clamp handle through a hinge member.
  • the shortest distance between the correspondingly arranged cutting parts is zero, but the second cutting part and the first cutting part of the cutting pliers provided by the present invention have the shortest distance ( is not zero) and cooperates with the first shearing part to realize the function of shearing, so as to ensure that the sheared parts such as pipe fittings will not be sheared.
  • the utility model can adjust the size of the shortest distance through the adjusting piece, so as to adapt to the cut pieces such as pipe fittings of different sizes.
  • the adjustment member includes a fixing structure to be fixed on the left clamp handle, and the adjustment member includes one or more matching structures, and by adjusting the adjustment member, any one or more matching structures can be pressed against the right clamp handle.
  • Different matching structures The distance from the fixing structure is different; or the adjusting member includes a fixing structure to be fixed on the right clamp handle, and the adjusting member includes one or more matching structures, and by adjusting the adjusting member, any one or more matching structures can be pressed against the left clamp handle, Different mating structures have different distances from the fixed structure.
  • the mode of adjusting the adjusting member may be rotation, folding, displacement, or a combination of any two or more of them.
  • the fixed structure is a fixed shaft
  • the matching structure includes a rotating piece with a plurality of matching surfaces
  • the fixed shaft is arranged through the rotating piece and the rotating piece is rotatably arranged on the fixed shaft, any two or more matching surfaces.
  • the distance from the central axis of the fixed shaft is different. Adjust the rotating piece by rotating so that any mating surface can press against the right or left pliers handle, so the mating surface can cooperate with the side of the left pliers handle or the right pliers handle.
  • the fixed shaft can also be arranged in parallel with the rotating piece, and one or any number of rotating pieces can be provided. Adjust the rotating piece to realize the adjustment of the size of the shortest distance.
  • the mating structure and the left clamp handle or the right clamp handle are paired with fixing structures such as protrusions and grooves to further fix the size of the shortest distance.
  • the shape of the rotating sheet is not a rotationally symmetric figure.
  • the rotating piece may also be a rotationally symmetrical figure, and a rotationally symmetrical figure refers to a figure that coincides with the initial figure after a plane figure is rotated around a fixed point on the plane by a certain radian.
  • the figure of the rotating piece in the present invention can be a deformation of the rotationally symmetrical figure, for example, the second rotating unit is obtained by rotating the first first rotating unit by the first radian, and the third rotating unit is obtained after rotating the first radian, so as to obtain the second rotating unit.
  • the (n+1)th rotation unit is obtained, and the (n+1)th rotation unit is adjacent to the first rotation unit.
  • the rotation unit may be a straight line, an arc, or a combination of a straight line and an arc.
  • the rotationally symmetric figure here may be a non-regular polygon such as a non-regular pentagon, or a petal shape and the like.
  • the fixed point of rotation here refers to the central axis. Any two adjacent rotating units in the first rotating unit, the second rotating unit, the third rotating unit...the (n+1)th rotating unit may or may not be directly connected.
  • arc transitions are used between different rotating units.
  • the shapes and sizes of all the rotating units shown here are the same, but in another optional embodiment, one or both of the shapes and sizes may also be inconsistent.
  • the shape of the rotating piece can be an isosceles triangle that is not an equilateral triangle, or even any other triangle.
  • the first shearing part and the second shearing part are oppositely provided with a blunt part and a blade part, the blunt part and the blade part cooperate with each other to realize the shearing function, and the distance between the blunt part and the blade part is the shortest when the distance is the shortest.
  • the blunt part can be directly matched with the inside of the pipe fitting, and it is not easy to damage the pipe fitting.
  • the first shearing portion or the second shearing portion is provided with a depression at the other end relative to the blunt portion or the blade portion.
  • the size of the depression is designed according to actual needs, and the design of the depression is conducive to widening the use range of the cutting pliers. , which can be used in some narrow environments.
  • the left pliers handle includes a left pliers handle body and a left connecting piece, one end of the left pliers handle body is provided with a left connecting piece, the right pliers handle includes a right pliers handle main body and a right connecting piece, and one end of the right pliers handle is provided with a right connecting piece.
  • the connecting piece, the left connecting piece and the right connecting piece are connected by a pivot shaft, and a spring is sleeved on the pivot shaft.
  • the left connector includes two oppositely arranged left jaws, two ends of the two left jaws are respectively connected by fasteners, the right connector includes two oppositely arranged right jaws, the two right jaws are The two ends are respectively connected by fasteners, and the middle ends of the two left jaws and the middle ends of the two right jaws are connected by a pivot.
  • the hinge member includes a left hinge piece and a right hinge piece, one end of the left hinge piece is connected with the first shearing portion, the other end of the left hinge piece is connected with one of the two ends of the two left connecting pieces, and the right hinge piece is connected.
  • one end of the right hinge piece is connected with the second shearing part, the other end of the right hinge piece is connected with one of the two ends of the two right connecting pieces, the other end of the two left connecting pieces is connected with one end of the right hinge piece, and the two right The other end of the two ends of the connecting piece is connected with one end of the left hinge piece.
  • the two left jaws and the two right jaws are staggered at both ends of the pivot.
  • the left clamp handle or the right clamp handle further includes a paddle, one end of the paddle is fixed on one of the left or right paddles by a fastener, and the other end of the paddle is engaged with the right connector or the left connector.
  • the blade portion extends on a side of the first shearing portion or the second shearing portion close to the blunt portion.
  • the blade portion can also extend completely on the side of the first shearing portion or the second shearing portion that is close to the blunt portion.
  • a groove is provided on the side of the first shearing portion or the second shearing portion close to the blunt portion, and the blade portion is provided on the side of the groove away from the main body of the cutting pliers, or can be provided near the cutting pliers. main side.
  • the blade portion is detachably provided on a side of the first shearing portion or the second shearing portion close to the blunt portion.
  • the present application also provides a simpler cutter without an adjusting member, the cutter includes a cutter body, a first cutter portion, a second cutter portion, a hinge member, and a cutter body.
  • the utility model includes a left clamp handle and a right clamp handle hinged to each other; at least part of the second shearing part and the first shearing part have a distance greater than zero and cooperate with the first shearing part to realize the function of shearing; the first shearing part One end of the cutting part is connected with the right clamp handle through a hinge member, and one end of the second cutting part is connected with the left clamp handle through a hinge member; the first cutting part and the second cutting part are adjusted by controlling the left clamp handle and the right clamp handle The user can completely control the relative distance between the left clamp handle and the right clamp handle to control the distance between the first cutting part and the second cutting part, so as to operate the cut items of different sizes, models and shapes. .
  • first shearing part and the second shearing part are oppositely provided with a blunt part and a blade part, and the blunt part and the blade part cooperate with each other to realize the function of shearing, and the first shearing part or the second shearing part provided with the blade part.
  • the side of the two shearing parts close to the blunt part is provided with grooves, and the distance between the first shearing part and the second shearing part is not zero at the positions where the grooves are provided.
  • the blade portion extends on the side of the first shearing portion or the second shearing portion close to the blunt portion, and the blade portion is provided on the side of the groove away from or close to the main body of the cutter.
  • the width of the blade portion is less than 3 cm, and may be 1 cm, 2 cm, 2.5 cm, 0.5 cm, and so on.
  • the width of the blade portion is much smaller than the width of the groove, and the width direction here is consistent with the extension direction of the blade portion.
  • the width of the blade is smaller than the distance between the end of the plug part of the pipe fitting for plugging the pipe and the sealing ring, that is, the width of the blade should be small enough so that the blade can avoid the sealing ring of the pipe fitting, thereby No damage to the sealing ring.
  • the first shearing portion or the second shearing portion provided with the blade portion has a flat end surface, so as to avoid other structures on the pipe fittings.
  • the thickness of the end of the first shearing portion or the second shearing portion provided with the blunt portion gradually decreases to form a tip portion with a prying function.
  • the blade portion is detachably provided on a side of the first shearing portion or the second shearing portion close to the blunt portion.
  • the utility model also provides a cutting pliers head, comprising a first cutting part and a second cutting part hinged to each other; at least part of the second cutting part and the first cutting part have a non-zero distance And the second shearing part cooperates with the first shearing part to realize the function of shearing.
  • first shearing part and the second shearing part are oppositely provided with a blunt part and a blade part, and the blunt part and the blade part cooperate with each other to realize the function of shearing, and the first shearing part or the second shearing part provided with the blade part.
  • the side of the two shearing parts close to the blunt part is provided with grooves, and the distance between the first shearing part and the second shearing part is not zero at the positions where the grooves are provided.
  • the blade portion extends on a side of the first shearing portion or the second shearing portion close to the blunt portion.
  • the second cutting part and the first cutting part of the cutting pliers and cutting pliers head provided by the present invention at least partially have a non-zero shortest distance and cooperate with the first cutting part to realize the cutting effect. Function to ensure that the sheared parts such as pipe fittings will not be cut.
  • the utility model can adjust the size of the shortest distance through the adjusting piece, so as to adapt to the cut pieces such as pipe fittings of different sizes.
  • Embodiment 1 is a schematic diagram of one side of the cutting pliers provided by Embodiment 1 of the present utility model
  • FIG. 2 is another schematic view of the cutting pliers provided in Embodiment 1 of the present utility model
  • FIG. 3 is a schematic diagram of one side of the left clamp handle provided in Embodiment 1 of the present utility model
  • FIG. 4 is a schematic diagram of the other side of the left clamp handle provided in Embodiment 1 of the present invention.
  • FIG. 5 is a schematic view of the side surface of the left clamp handle provided in Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of one side of the cutting pliers provided in the first embodiment of the present invention with the left and right pliers handles removed;
  • FIG. 7 is a schematic diagram of the other side of the cutting pliers provided in the first embodiment of the present invention with the left and right pliers handles removed;
  • Embodiment 8 is a schematic diagram of a rotating plate provided by Embodiment 1 of the present invention.
  • Fig. 9 is one of the schematic diagrams of the fitting of the pipe and pipe fittings provided in the first embodiment of the present invention.
  • Figure 10 is the second schematic diagram of the fitting of pipes and pipe fittings provided by an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of the first shearing portion and the second shearing portion of the second embodiment of the present invention.
  • FIG. 12 is a partial schematic view of the cutting pliers of the second embodiment of the present invention.
  • FIG. 13 is a schematic diagram of the detachable cutting pliers according to the second embodiment of the present invention.
  • Plural in the present invention refers to any number of two and more than two.
  • the present embodiment provides a cutting forceps including a cutting forceps body 30 , a first cutting portion 10 , a second cutting portion 20 , an adjusting member 80 and a hinge member.
  • the main body of the cutter includes a left clamp handle 31 and a right clamp handle 32 hinged to each other; the second cutting part 20 and the first cutting part 10 have the shortest distance L and cooperate with the first cutting part to realize the function of cutting;
  • the adjusting member 80 is used to adjust the size of the shortest distance L;
  • Figures 9 and 10 show the schematic diagrams of the fitting of pipes and pipe fittings.
  • the sleeve 200 is first fitted to one end 100 of the non-metallic pipe, and then the end of the non-metallic pipe near the opening is expanded with a tool, and then the The expanded pipe is sleeved on the pipe fitting 300, and the part of the pipe fitting 300 that is sleeved with the pipe is provided with a raised sealing ring 301, and then shrinks and hugs the pipe fitting under the action of the tension of the non-metallic pipe itself.
  • the pipe When disassembling, the pipe can be cut at the position close to the pipe fittings, and then the adjustment piece can be adjusted according to the size of the pipe to adjust the size of the shortest distance L, and the pipe can be cut off by using the cutting pliers in this embodiment.
  • the second cutting part and the first cutting part of the cutting pliers have the shortest distance L and cooperate with the first cutting part to realize the cutting function, so as to ensure that the cut parts such as pipe fittings will not be cut.
  • the adjusting member includes a fixing structure to achieve the purpose of being fixed on the left clamp handle.
  • the adjusting member includes a matching structure.
  • the fixing structure is a fixed shaft 801.
  • the matching structure includes a rotating piece 806 with multiple matching surfaces.
  • the shaft is arranged through the rotating piece, and the rotating piece is rotatably arranged on the fixed shaft.
  • the distances between any two or more mating surfaces from the central axis of the fixed shaft are different.
  • the side of the right clamp handle By adjusting the adjusting member to achieve any one or more mating surfaces against the right clamp handle, different mating surfaces have different distances from the fixed structure, and different mating surfaces can be set according to different needs, for example, corresponding to pipes of different sizes.
  • each matching structure may have one or more matching surfaces.
  • the shape of the rotating pieces is a pentagon, and the rotating pieces are all chamfered.
  • One end of the rotating piece is provided with a tongue piece 802, and the other three ends of the rotating piece are provided with three mating surfaces (803, 804, 805), and corresponding signs are provided near the mating surfaces to facilitate identification, and the three
  • the distances between the mating surface and the central axis are respectively H1, H2, and H3; among them, H1, H2, and H3 are not equal, for example, they can correspond to 1”, 1/2”, and 3/4” pipes, respectively.
  • a blunt part 201 and a blade part 101 are arranged opposite the first shearing part and the second shearing part.
  • the blunt part and the blade part cooperate with each other to realize the shearing function.
  • the blade part 101 in this embodiment It completely extends on the first cutting part, therefore, the second cutting part and the first cutting part in this embodiment have the shortest distance L in the shortest distance is not zero, that is to say, when using cutting pliers When the distance between the second cutting part and the first cutting part is not closed during use, when the first cutting part and the second cutting part are closest to each other, the closest distance is the shortest gap. When the distance between the blunt part and the blade part is the shortest, there is a shortest distance L.
  • the blunt part When in use, the blunt part can be directly matched with the inside of the pipe fittings, and it is not easy to damage the pipe fittings.
  • the blunt part and the blade part are always parallel or always substantially parallel, and the shortest distance L in this embodiment is the distance between the blunt part and the blade part that are parallel or substantially parallel to each other, In other embodiments, the blunt portion and the blade portion may not be arranged in parallel.
  • the first shearing portion or the second shearing portion is provided with a recess 202 on the other side of the blunt portion or the blade portion.
  • the size of the recess is designed according to actual needs, and the design of the recess is conducive to widening and shearing. The scope of use of the pliers can be used in some narrow environments.
  • the left clamp handle includes a left clamp handle body 311 and a left connector 310, one end of the left clamp handle body is provided with a left connection part, the right clamp handle includes a right clamp handle body and a right connection One end is provided with a right connecting piece, the left connecting piece and the right connecting piece are connected by a pivot shaft 50, and a spring is sleeved on the pivot shaft.
  • the spring has the function of restoring.
  • the shapes of the left clamp head and the right clamp head are the same, and in other embodiments, the shapes of the left clamp head and the right clamp head may also be different.
  • the left connecting member 310 includes two oppositely arranged left jaws 312, two ends of the two left jaws are respectively connected by fasteners, the right connecting member comprises two oppositely arranged right jaws, the two Two ends of the right forceps are respectively connected by fasteners, and the middle ends of the two left forceps and the middle ends of the two right forceps are connected by a pivot.
  • the fasteners in this embodiment are all bolts. In other implementations, they may also be studs, nuts, screws, etc. There are four fasteners in this embodiment. The fastener and the fixing shaft in this embodiment may be the same.
  • the two left jaws 312 may or may not be parallel to each other.
  • one of the left jaws is flat, and the other of the left jaws protrudes outward, as is the right jaw, as shown in FIG. 5 .
  • the hinge member includes a left hinge piece 70 and a right hinge piece 90.
  • One end of the left hinge piece 70 is connected to the first shearing portion, and the other end of the left hinge piece is connected to one of the ends of the two left connecting pieces.
  • one end of the right hinge piece 90 is connected with the second shearing part, the other end of the right hinge piece 90 is connected with one end of the two ends of the two right connecting pieces, and the other end of the two ends of the two left connecting pieces is connected with the right hinge piece
  • One end of 90 is connected, and the other end of the two right connecting pieces is connected with one end of the left hinge piece.
  • the left hinge piece and the right hinge piece 90 are respectively provided with arc grooves 703 for accommodating bolts.
  • the other end of the left hinge piece is provided with a groove 702, and the other end of the right hinge piece 90 is also provided with a groove 902.
  • the grooves are all square in structure. The square groove is used to accommodate fasteners.
  • the shapes and sizes of the right hinge piece 90 and the left hinge piece 70 in this embodiment are the same, and may also be different in other embodiments.
  • the two left jaws and the two right jaws are staggered at both ends of the pivot.
  • the staggered arrangement here means that on one side of the cutter, one of the left jaws and one of the right jaws intersect, and on the other side of the cutter, the other left jaw and the other right jaw
  • the slice intersection settings are all in an X-shaped setting. Furthermore, on one side of the cutting pliers, if the left pliers are arranged outside the right pliers, then on the other side of the cutting pliers, if the right pliers are arranged outside the left pliers, in order to increase the firmness. sex.
  • the left clamp handle 31 or the right clamp handle 32 further includes a pick 40, one end of the pick is fixed on one of the left or right picks by a fastener, and the other end of the pick is engaged with the
  • the right connecting piece or the left connecting piece can be provided with bumps on the paddles.
  • the left clamp handle 31 or the right clamp handle 32 is covered with a clamp handle sleeve 33 , and the shapes and structures of the left clamp handle 31 and the right clamp handle 32 in this embodiment are symmetrical to each other.
  • the two ends of the pipe are low in the middle and high in the middle, so when cutting, only the middle of the pipe (relatively close to The position of the sealing ring 301), the two ends (relatively far away from the position of the sealing ring 301) are not cut completely enough, so the assistance of an electric soldering iron or other devices is required.
  • Even the raised sealing ring on some pipe fittings is concave 302 next to it, and the pipe is also concave downward along with the concave, making it more difficult to cut.
  • the second embodiment provides another cutting pliers, and the basic structure is the same as that of the first embodiment, and only the differences are described below.
  • the thickness of the end portion of the first shearing portion 10 ′ is gradually reduced to form a tip portion 102 , and the tip portion of the first shearing portion can function as a flat-blade screwdriver similar to a screwdriver. , which can help to pry the pipeline apart after cutting or during cutting.
  • the first cutting part may not be provided with the tip 102 .
  • the second shearing portion 20' is provided with a partially extending blade portion 204, the blade portion is protruding toward the first shearing portion, and the distance between the first shearing portion and the second shearing portion in the non-protruding portion is not zero , to ensure that the sheared parts such as pipe fittings will not be cut.
  • the protruding blade part of the second shearing part cooperates with the blunt part of the first shearing part to realize the function of shearing, and the protruding height L1 of the blade part can be so large that the blade part and the blunt part of the first shearing part are completely Fitting, that is, the spacing is zero.
  • a groove 205 is provided on the side of the second shearing portion close to the blunt portion.
  • the distance between the first shearing portion and the second shearing portion at the position of the groove is not zero.
  • the width of the blade h1 in this embodiment is much smaller than the width h2 of the groove, but in other embodiments, the width of the blade h1 is much smaller than the width h2 of the groove.
  • the width of the blade in this embodiment is smaller than M in FIG. 12 , that is, the distance between the end of the plug-in part of the pipe fitting for plugging the pipe and the sealing ring, that is, the width of the blade should be small enough to As for the blade part, the sealing ring of the pipe fitting can be avoided, so that the sealing ring will not be damaged.
  • the width of the blade portion is smaller than the width of the groove of the depression 302 in FIG. 12 .
  • the groove 205 is not provided with a blade, and the raised part is entirely a blade.
  • the groove can also be provided with a blade according to requirements, and the raised part can also be The blade is only partially provided.
  • this embodiment is also provided with a fourth mating surface, and the distances between the fourth mating surface and the central axis are respectively H4; H1, H2, H3, and H4 is not equal.
  • H4 corresponds to the zero position. When it is at the zero position, the shortest distance between the first shearing part and the second shearing part is the smallest, and the shearing function is the best, so that the cutting edge can be embedded in the shearing part. Both ends of the pipe can avoid the sealing ring, and when the middle of the pipe is sheared, adjust the mating surface to H1 or H2 or H3 to achieve shearing in the middle of the pipe without damaging the middle of the pipe. the sealing ring.
  • the fourth mating surface may not be provided.
  • the second shearing portion provided with the blade portion has a flat end surface 203 so as to avoid other structures on the pipe fitting.
  • the first shear is higher than the second shear, further to avoid other structures on the pipe fitting.
  • the blade portion and the second shearing portion are integrally formed.
  • the blade portion is detachably provided on a portion of the first shearing portion or the second shearing portion near the blunt portion.
  • the blade is damaged due to wear or improper operation, and the cutting pliers can continue to be used normally by replacing the blade.
  • the blade portion and the first shearing portion or the second shearing portion can be fixed by one or more connectors such as threads, but this application does not limit the specific detachable way, and any detachable connection is within the protection scope of this application within.
  • the fixing fastness can also be increased by arranging pressing sheets.
  • the protruding height L1 of the blade can be adjusted, that is to say, the blade can be slid or moved relative to the first shearing part or the second shearing part to adjust the protrusion of the blade.
  • the height L1 and finally the adjustment of the size of the distance L is realized.
  • the third embodiment provides a more compact cutting pliers without a rotating piece
  • the cutting pliers include a cutting pliers main body, a first cutting part, a second cutting part, a hinge
  • the main body of the cutting pliers comprises a left pliers handle and a right pliers handle hinged to each other; at least part of the second cutting part and the first cutting part have a non-zero distance and cooperate with the first cutting part to realize the cutting The function of cutting; one end of the first cutting part is connected with the right clamp handle through a hinge member, and one end of the second cutting part is connected with the left clamp handle through a hinge member; by controlling the left clamp handle and the right clamp handle to adjust the first shear The distance between the cut portion and the second cut portion.
  • the shortest distance can be only fixed one, and the user can completely control the relative distance between the left clamp handle and the right clamp handle to control the distance between the first cutting part and the second cutting part, so as to adapt to different sizes and models. , the shape of the cut items to operate.
  • the shape and structure of the second shearing part in the third embodiment and the second shearing part in the second embodiment are the same, that is to say, they are both provided with a protruding part of the extended blade, so when the shortest distance is zero, the It can protect the cut items from being damaged.
  • Some other structures can also be the same as those in the second embodiment.
  • This embodiment also provides a cutting pliers head, comprising a first cutting part and a second cutting part hinged to each other; the second cutting part and the first cutting part at least partially have a non-zero distance And the second shearing part cooperates with the first shearing part to realize the function of shearing.
  • the first shearing portion and the second shearing portion may refer to the structure in the second embodiment.
  • the cutting pliers head can be used with other pliers of any structure.

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Abstract

一种剪切钳，包括剪切钳主体（30）、第一剪切部（10）、第二剪切部（20）、调节件（80）及铰接构件。剪切钳主体（30）包括互相铰接的左钳柄（31）和右钳柄（32）；第二剪切部（20）和第一剪切部（10）具有最短间距（L），第二剪切部（20）和第一剪切部（10）配合从而实现剪切的功能；调节件（80）用于调节最短间距（L）的大小；第一剪切部（10）的一端通过铰接构件和右钳柄（32）连接，第二剪切部（20）的一端通过铰接构件和左钳柄（31）连接。剪切钳可以通过调节件来调节最短间距的大小，以适应不同尺寸的管道配件等被剪件。还提供了一种剪切钳钳头。

Description

剪切钳和剪切钳钳头 技术领域
本实用新型涉及工具技术领域，更具体地涉及一种剪切钳和剪切钳钳头。
背景技术
管道配件用于连接管道。一般的管道配件包括弯头、三通、大小头、管帽、各种管接头、法兰、阀门、膨胀节、管道支架等等。其中，例如像塑料管道等非金属管道和这些管道配件常常使用套接的方式连接，安装时先将非金属管道的开口处胀大，再将胀大后的管道套设在管道配件上，然后在非金属管道自身张力的作用下收缩抱住管道配件，以达到将非金属管道紧密套设在管道配件上的目的。
但是，在实际应用中，经常存在需要将管道配件从管道上拆卸的情况，比如安装错误，或者管道的改造等等。如果管道和管道配件配合得不是十分紧密的情况并且管道配件上没有设有倒刺等特殊结构的时候，可以采用剪切工具来剪开非金属管道，从而将管道配件从管道内拆下。但是现有的用来拆卸配件的剪切工具只能适用于单一尺寸的管径，如需对不同尺寸的管道及其配件进行拆卸时，需要使用不同尺寸的剪切工具，对用户造成不便，同时也降低了工作效率。
实用新型内容
本实用新型为了克服现有技术的至少一个不足，提供一种可以适合不同尺寸的管径的剪切钳和剪切钳钳头。
为了实现上述目的，本实用新型提供一种剪切钳，包括剪切钳主体、第一剪切部、第二剪切部、调节件及铰接构件。剪切钳主体包括互相铰接的左钳柄和右钳柄；第二剪切部和第一剪切部具有最短间距并且和第一剪切部配合从而实现剪切的功能；调节件用于调节最短间距的大小；第一剪切部的一端通过铰接构件和右钳柄连接，第二剪切部的一端通过铰接构件和左钳柄连接。
不同于现有技术中的剪切钳，对应设置的剪切部之间的最短间距为零，但是本实用新型提供的剪切钳的第二剪切部和第一剪切部具有最短间距(不为零)并且和第一剪切部配合从而实现剪切的功能，以保证不会剪伤管道配件等被剪件。再者，本实用新型可以通过调节件来调节最短间距的大小，以适应不同尺寸的管道配件等被剪件。
可选的，调节件包括固定结构以固定在左钳柄上，调节件包括一个或多个配合结构，通过调节调节件以实现任意一个或多个配合结构抵住右钳柄，不同的配合结构离固定结构的距离不同；或调节件包括固定结构以固定在右钳柄上，调节件包括一个或多个配合结构，通过调节调节件以实现任意一个或多个配合结构抵住左钳柄，不同的配合结构离固定结构的距离不同。本实施例中调节调节件方式可以是旋转、翻折、位移或者任意其中两种或两种以上的方式的组合。可选的，固定结构为固定轴，配合结构包括具有多个配合面的旋转片，固定轴穿设于旋转片设置并且旋转片可旋转地设于固定轴上，任意两个及多个配合面距离固定轴的中心轴的距离不同，通过旋转的方式调节旋转片以实现任意一个配合面抵住右钳柄或左钳柄，因此配合面可以和左钳柄或者右钳柄的侧面互相配合以固定最短间距的大小，这里的固定轴垂直于或者近似垂直于旋转片的方向设置。于另一种可实施的方式中，固定轴还可以和旋转片平行设置，旋转片可以设有一个或任意多个，旋转片绕着所述固定轴可翻转设置，用过翻转旋转片来调节调节旋转片以实现调节最短间距的大小。
可选的，配合结构和左钳柄或者右钳柄配对设有凸起-凹槽等固定结构以进一步固定最短间距的大小。
可选的，旋转片的形状不是旋转对称图形。于一些其他的实施例中，旋转片也可以是旋转对称图形，旋转对称图形指的是把一个平面图形绕着平面上一个定点旋转一定弧度后，与初始图形重合的图形。但是本实用新型中的旋转片的图形可以是旋转对称图形的变形，例如把最初的第一旋转单元旋转第一弧度后得到第二旋转单元，再旋转第一弧度后得到第三旋转单元，以此类推，旋转n次第一弧度后得到第(n+1)个旋转单元，第(n+1)个旋转单元和第一旋转单元相邻，通过调整第一旋转单元、第二旋转单元、第三旋转单元……第(n+1)个旋转单元距离旋转定点的距离使得其中任意两个及多个旋转单元距离旋转定点的距离不同。旋转单元可以是直线、弧线、或者直线和弧线的组合，作为举例的，这里的旋转对称图形可以是例如非正五边形等的非正多边形，也可以是花瓣形等等。这里的旋转定点指的是中心轴。第一旋转单元、第二旋转单元、第三旋转单元……第(n+1)个旋转单元中任意相邻的两个旋转单元之间可以直接连接，也可以不直接相连。可选的，为了使旋转更为顺滑，不同的旋转单元之间均采用圆弧过渡。
这里示出的所有的旋转单元的形状和大小一致，但是于另一种可选的实施方式中，形状和大小中的一种或两者还可以不一致。比如说，旋转片的形状可以为非等边三角形的等腰三角形，甚至可以为其他任意三角形。
可选的，第一剪切部和第二剪切部相对设有钝部和刃部，钝部和刃部相互配合后实现剪切的功能，钝部和刃部距离最短时相距最短间距。在使用的时候，钝部可以和管道配件的内部直接配合，不容易损伤管道配件。
可选的，第一剪切部或第二剪切部在相对于钝部或刃部的另一端设有凹陷，凹陷的大小根据实际需求设计，凹陷的设计利于扩宽剪切钳的使用范围，可以在一些狭小的使用环境中使用。
可选的，左钳柄包括左钳柄主体和左连接件，左钳柄主体的一端设有左连接件，右钳柄包括右钳柄主体和右连接件，右钳柄的一端设有右连接件，左连接件和右连接件通过枢轴连接，枢轴上套有弹簧。
可选的，左连接件包括两个相对设置的左钳片，两个左钳片的两端分别由紧固件连接，右连接件包括两个相对设置的右钳片，两个右钳片的两端分别由紧固件连接，两个左钳片的中端和两个右钳片的中端通过枢轴连接。
可选的，铰接构件包括左铰接片和右铰接片，左铰接片的一端和第一剪切部连接，左铰接片的另一端和两个左连接件的两端的其中一端连接，右铰接片的一端和第二剪切部连接，右铰接片的另一端两个右连接件的两端的其中一端连接，两个左连接件的两端的其中另一端和右铰接片的一端连接，两个右连接件的两端的其中另一端和左铰接片的一端连接。
可选的，两个左钳片和两个右钳片交错设置在枢轴的两端。
可选的，左钳柄或右钳柄还包括拨片，拨片的一端通过紧固件固定于其中的一个左钳片或右钳片上，拨片的另一端卡合于右连接件或左连接件。
可选的，刃部部分延伸于第一剪切部或第二剪切部的靠近钝部的一侧。于其他的实施方式中，刃部也可以完全延伸于第一剪切部或第二剪切部的靠近钝部的一侧。
可选的，第一剪切部或第二剪切部的靠近钝部的一侧设有凹槽，刃部设于凹槽的远离剪切钳主体一侧，也可以设于靠近剪切钳主体一侧。
可选的，刃部可拆卸地设于第一剪切部或第二剪切部的靠近钝部的一侧。
本申请还提供一种更为简洁的不设有调节件的剪切钳，这种剪切钳包括剪切钳主体、第一剪切部、第二剪切部、铰接构件，剪切钳主体包括互相铰接的左钳柄和右钳柄；第二剪切部和第一剪切部之间至少部分具有大于零的间距并 且和第一剪切部配合从而实现剪切的功能；第一剪切部的一端通过铰接构件和右钳柄连接，第二剪切部的一端通过铰接构件和左钳柄连接；通过控制左钳柄和右钳柄来调整第一剪切部和第二剪切部的间距，使用者完全可以控制左钳柄和右钳柄的相对距离来控制第一剪切部和第二剪切部的间距，从而去对不同尺寸、型号、形状的被剪物品进行操作。
可选的，第一剪切部和第二剪切部相对设有钝部和刃部，钝部和刃部相互配合后实现剪切的功能，设有刃部的第一剪切部或第二剪切部的靠近钝部的一侧设有凹槽，第一剪切部和第二剪切部在设有凹槽的位置间距不为零。
可选的，刃部部分延伸于第一剪切部或第二剪切部的靠近钝部的一侧，刃部设于凹槽的远离或靠近剪切钳主体一侧。
可选的，刃部的宽度小于3cm，可以是1cm，2cm，2.5cm，0.5cm等等。刃部的宽度要远小于凹槽的宽度，这里的宽度方向和刃部的延伸方向一致。刃部的宽度小于管道配件的用于插接管道的插接部的端部与密封环的距离，也就是刃部的宽度要足够小，以至于刃部可以避开管道配件的密封环，从而不会对密封环造成损害。
可选的，设有刃部的第一剪切部或第二剪切部具有平整的端面，从而避开管道配件上的其他结构。
可选的，设有钝部的第一剪切部或第二剪切部的端部的厚度逐渐递减，以形成具有撬动功能的尖部。
可选的，刃部可拆卸地设于第一剪切部或第二剪切部的靠近钝部的一侧。
本实用新型还提供一种剪切钳钳头，包括相互铰接的第一剪切部和第二剪切部；第二剪切部和第一剪切部之间至少部分具有不为零的间距并且第二剪切部和第一剪切部配合从而实现剪切的功能。
可选的，第一剪切部和第二剪切部相对设有钝部和刃部，钝部和刃部相互配合后实现剪切的功能，设有刃部的第一剪切部或第二剪切部的靠近钝部的一侧设有凹槽，第一剪切部和第二剪切部在设有凹槽的位置间距不为零。
可选的，刃部部分延伸于第一剪切部或第二剪切部的靠近钝部的一侧。
综上，本实用新型提供的剪切钳和剪切钳钳头的第二剪切部和第一剪切部至少部分具有不为零最短间距并且和第一剪切部配合从而实现剪切的功能，以保证不会剪伤管道配件等被剪件。可选的，本实用新型可以通过调节件来调节最短间距的大小，以适应不同尺寸的管道配件等被剪件。
附图说明
图1是本实用新型中的实施例一提供的剪切钳的其中一面示意图；
图2是本实用新型中的实施例一提供的剪切钳的另一面示意图；
图3是本实用新型中的实施例一提供的左钳柄的其中一面的示意图；
图4是本实用新型中的实施例一提供的左钳柄的另一面的示意图；
图5是本实用新型中的实施例一提供的左钳柄的侧面的示意图；
图6是本实用新型中的实施例一提供的去掉左钳柄、右钳柄的剪切钳的其中一面的示意图；
图7是本实用新型中的实施例一提供的去掉左钳柄、右钳柄的剪切钳的另一面的示意图；
图8是本实用新型中的实施例一提供的旋转片的示意图；
图9是本实用新型中的实施例一提供的管道和管道配件的配合示意图之一；
图10是本实用新型中的实施例提供的管道和管道配件的配合示意图之二；
图11是本实用新型中的实施例二的第一剪切部和第二剪切部的示意图；
图12是本实用新型中的实施例二的剪切钳的局部示意图；
图13是本实用新型中的实施例二的可拆卸的剪切钳的示意图。
具体实施方式
为让本实用新型的上述和其它目的、特征和优点能更明显易懂，下文特举较佳实施例，并配合附图，作详细说明如下。
本实用新型中的多个指的是两个及多于两个的任意数量。
实施例一
请参考图1至图8，本实施例提供了一种剪切钳，包括剪切钳主体30、第一剪切部10、第二剪切部20、调节件80及铰接构件。剪切钳主体包括互相铰接的左钳柄31和右钳柄32；第二剪切部20和第一剪切部10具有最短间距L并且和第一剪切部配合从而实现剪切的功能；调节件80用于调节最短间距L的大小；第一剪切部10的一端通过铰接构件和右钳柄32连接，第二剪切部的一端通过铰接构件和左钳柄31连接。
图9和图10示出了管道和管道配件的配合示意图，安装时先将套管200套在非金属管道的100一端，然后利用工具将非金属管道的接近开口处的一端胀大，再将胀大后的管道套设在管道配件300上，管道配件300上套接管道的部分设有凸起的密封环301，然后在非金属管道自身张力的作用下收缩抱住管道配件。在拆卸的时候可以先将管道靠近管道配件的位置剪断，然后根据管道的尺寸调整调节件以调节最短间距L的大小，使用本实施例中的剪切钳剪切掉管道， 再者，本实施例中的剪切钳的第二剪切部和第一剪切部具有最短间距L并且和第一剪切部配合从而实现剪切的功能，以保证不会剪伤管道配件等被剪件。
于本实施例中，调节件包括固定结构以实现固定在左钳柄上的目的，调节件包括一个配合结构，固定结构为固定轴801，配合结构包括具有多个配合面的旋转片806，固定轴穿设于旋转片设置，并且旋转片可旋转地设于固定轴上，任意两个及多个配合面距离固定轴的中心轴的距离不同，通过调节旋转片以实现任意一个配合面抵住右钳柄的侧面。通过调节调节件以实现其中任意一个或多个配合面抵住右钳柄，不同的配合面离固定结构的距离不同，不同配合面可以对应于不同需求设置，例如分别对应于不同尺寸的管道。
于其他本实施例中，配合结构可以为多个，每个配合结构具有一个或多个配合面。
于本实施例中，如图8所示，旋转片的形状为五边形，旋转片均倒角处理。旋转片的其中一端设有舌片802，旋转片的另外其中的三端设有三个配合面(803，804，805)，配面的附近均设有相应的标识，以方便辨识，并且三个配合面距离中心轴的距离分别为H1，H2，及H3；其中，H1，H2，及H3都不相等，例如可以分别对应于1”，1/2”，3/4”管道。
于本实施例中，第一剪切部和第二剪切部的相对设有钝部201和刃部101，钝部和刃部相互配合后实现剪切的功能，本实施中的刃部101完全延伸在第一剪切部上，因此，本实施例中的第二剪切部和所述第一剪切部具有最短间距中的最短间距L不为零，也就是说当使用剪切钳的时候，第二剪切部和第一剪切部之间在使用时不会闭合，第一剪切部和第二剪切部相距最近的时候，这个最近的距离就是最短间隙。钝部和刃部距离最短时相距最短间距L，在使用的时候，钝部可以和管道配件的内部直接配合，不容易损伤管道配件。于本实施例中，随着调节件的调节，钝部和刃部始终平行或者始终大致平行，本实施例中的最短间距L即为互相平行或大致平行设置的钝部和刃部的距离，于其他实施例中，钝部和刃部还可以不平行设置。
于本实施例中，第一剪切部或第二剪切部在相对于钝部或刃部的另一侧设有凹陷202，凹陷的大小根据实际需求设计，凹陷的设计利于扩宽剪切钳的使用范围，可以在一些狭小的使用环境中使用。
于本实施例中，左钳柄包括左钳柄主体311和左连接件310，左钳柄主体的一端设有左连接件，右钳柄包括右钳柄主体和右连接件，右钳柄的一端设有右连接件，左连接件和右连接件通过枢轴50连接，枢轴上套有弹簧。弹簧有复位 的作用。左钳头和右钳头的形状均一致，于其他实施例中，左钳头和右钳头的形状也可以有差别。
更为具体的，左连接件310包括两个相对设置的左钳片312，两个左钳片的两端分别由紧固件连接，右连接件包括两个相对设置的右钳片，两个右钳片的两端分别由紧固件连接，两个左钳片的中端和两个右钳片的中端通过枢轴连接。本实施例中的紧固件均为螺栓，于其他实施中，还可以是螺柱、螺母、螺钉等等，本实施例中的紧固件一共有四个。本实施例中的紧固件和固定轴可以是同一个。
两个左钳片312可以互相平行，也可以不平行。于本实施例中，其中一个左钳片为平面状，其中另一个左钳头的向外部凸起，右钳片亦然，如图5所示。
于本实施例中，铰接构件包括左铰接片70和右铰接片90，左铰接片70的一端和第一剪切部连接，左铰接片的另一端和两个左连接件的两端的其中一端连接，右铰接片90的一端和第二剪切部连接，右铰接片90的另一端两个右连接件的两端的其中一端连接，两个左连接件的两端的其中另一端和右铰接片90的一端连接，两个右连接件的两端的其中另一端和左铰接片的一端连接。左铰接片和右铰接片90分别相对设有容纳螺栓的弧形凹槽703。左铰接片的另一端设有凹槽702，右铰接片90的另一端也设有凹槽902，凹槽均为方形结构，方形凹槽用于容纳紧固件，两个左铰接片一端设有穿孔701，两个右铰接片90的一端设有穿孔901，穿孔用于使紧固件穿过。本实施例中的右铰接片90和左铰接片70的形状和大小均一致，于其他实施例中，也可以不一致。
于本实施例中，两个左钳片和两个右钳片交错设置在枢轴的两端。这里的交错设置指的是在剪切钳的一侧，其中一个左钳片和其中一个右钳片相交设置，在剪切钳的另一侧，其中另一个左钳片和其中另一个右钳片相交设置，均呈X型设置。更为进一步的，在剪切钳的一侧，如果左钳片设于右钳片的外部，那么在剪切钳的另一侧，如果右钳片设于左钳片的外部，以增加牢固性。
于本实施例中，左钳柄31或右钳柄32还包括拨片40，拨片的一端通过紧固件固定于其中的一个左钳片或右钳片上，拨片的另一端卡合于右连接件或左连接件，拨片上可以设有凸块。
于本实施例中，左钳柄31或右钳柄32上均套设有钳柄套33，本实施中的左钳柄31和右钳柄32的形状和结构相互对称。
实施例二
实施例一中提供的剪切钳在使用的时候，由于管道配件凸起的密封环的存在，管道的两端低中间高，因此在剪切的时候只能剪断管道的中间(相对来说靠近密封环301的位置)，两端(相对来说远离密封环301的位置)剪切不够彻底，从而需要电烙铁或其他器件的辅助。甚至于某些管道配件上的凸起的密封环旁边还下凹302，管道也随着凹陷向下凹，更加大了剪切的难度。
为了避免这种情况的发生，实施例二提供另一种剪切钳，基本结构和实施例一种的剪切钳都一致，以下仅不同之处予以说明。
如图11和图12所示，第一剪切部10’的端部的厚度逐渐递减以形成尖部102，第一剪切部的尖部可以起到类似于螺丝刀的一字螺丝刀撬动功能，可以帮助在剪切的后或剪切过程中将管道撬开，于其他实施例中，第一剪切部也可以不设置尖部102。第二剪切部20’设有部分延伸的刃部204，刃部朝向第一剪切部凸出设置，第一剪切部和第二剪切部在未凸出的部分的间距不为零，以保证不会剪伤管道配件等被剪件。第二剪切部凸出的刃部和第一剪切部的钝部配合以实现剪切的功能，刃部凸出的高度L1可以大到使刃部和第一剪切部的钝部完全贴合，也就是间距为零。第二剪切部的靠近钝部的一侧设有凹槽205，第一剪切部和第二剪切部在凹槽的位置的间距不为零，本实施例中的刃部设于凹槽的远离剪切钳主体一侧。本实施例中的刃部h1的宽度远小于凹槽的宽度h2，但是在其他的实施例中，刃部h1的宽度远小于凹槽的宽度h2。本实施例中的刃部的宽度小于图12中的M，也就是管道配件的用于插接管道的插接部的端部与密封环的距离，也就是刃部的宽度要足够小，以至于刃部可以避开管道配件的密封环，从而不会对密封环造成损害。于另一种可行的实施例中，刃部的宽度小于图12中下凹302的凹槽的宽度。
本实施例中的凹槽205处不设有刃部，凸起的部分全为刃部，但是于一些其他的实施例中，凹槽处也可以根据需求设置刃部，凸起的部分也可以仅部分设置刃部。
可选的，除了实施例一种的三个配合面以外，本实施例种还设有第四个配合面，第四个配合面距离中心轴的距离分别为H4；H1，H2，H3，及H4都不相等，H4对应于零位，当位于零位的时候，第一剪切部和第二剪切部的最短间距最小，剪切功能最好，从而此时可以将刃部嵌入剪切管道的两端并且可以避开密封环，再进行管道的中部剪切的时候，再将配合面调整为H1或H2或H3，实现管道的中间位置的剪切，而不会损伤位于管道中间位置的密封环。但是于其他实施例中，也可以不设置第四个配合面。
可选的，设有刃部的第二剪切部具有平整的端面203，从而避开管道配件上的其他结构。第一剪切部高于第二剪切部，进一步是为了避免管道配件上的其他结构。
本实施例中刃部和第二剪切部一体成型，于其他的实施方式中，如图13，刃部可拆卸地设于第一剪切部或第二剪切部的靠近钝部的一侧，在使用过程中刃部磨损或者操作不当导致刃部损坏，可以通过更换刃部使得剪切钳还可以继续正常使用。可以通过一个或多个螺纹等连接件将刃部和第一剪切部或第二剪切部固定，但是本申请不限制具体的可拆卸方式，任意的可拆卸连接均在本申请的保护范围之内。可选的，也可以通过设置压片来增加固定牢度。
于一些其他的实施方式中，刃部凸出的高度L1是可以调节的，也就是说刃部相对于第一剪切部或第二剪切部可滑动或可移动设置从而调节刃部凸出的高度L1，最终实现间距L的大小的调节。
实施例三
相比于实施二，实施例三提供一种更为简洁的不设有旋转片的剪切钳，这种剪切钳包括剪切钳主体、第一剪切部、第二剪切部、铰接构件，剪切钳主体包括互相铰接的左钳柄和右钳柄；第二剪切部和第一剪切部之间至少部分具有不为零的间距并且和第一剪切部配合从而实现剪切的功能；第一剪切部的一端通过铰接构件和右钳柄连接，第二剪切部的一端通过铰接构件和左钳柄连接；通过控制左钳柄和右钳柄来调整第一剪切部和第二剪切部的间距。也就是说，最短间距可以只有固定的一个，使用者完全可以控制左钳柄和右钳柄的相对距离来控制第一剪切部和第二剪切部的间距，从而去对不同尺寸、型号、形状的被剪物品进行操作。
实施例三中的第二剪切部和实施例二中的第二剪切部形状和结构都一样，也就是都设有凸起的部分延伸的刃部，所以在最短间距为零的时候也可以保护被剪的物品不被损坏。一些其他的结构也可以和实施例二中的相同。
实施例四
本实施例还提供一种剪切钳钳头，包括相互铰接的第一剪切部和第二剪切部；第二剪切部和第一剪切部之间至少部分具有不为零的间距并且第二剪切部和第一剪切部配合从而实现剪切的功能。
第一剪切部和第二剪切部可以参考实施二中的结构。
该剪切钳钳头可以配合和其他任意结构的钳柄等使用。
本领域技术人员应理解的是，在本实用新型的揭露中，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系是基于附图所示的方位或位置关系，其仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此上述术语不能理解为对实用新型的限制。
虽然本实用新型已由较佳实施例揭露如上，然而并非用以限定本实用新型，任何熟知此技艺者，在不脱离本实用新型的精神和范围内，可作些许的更动与润饰，因此本实用新型的保护范围当视权利要求书所要求保护的范围为准。

Claims (20)

  1. 一种剪切钳，其特征在于，包括：
    剪切钳主体，包括互相铰接的左钳柄和右钳柄；
    第一剪切部；
    第二剪切部，和所述第一剪切部具有最短间距并且和所述第一剪切部配合从而实现剪切的功能；
    调节件，用于调节所述最短间距的大小；及
    铰接构件，所述第一剪切部的一端通过所述铰接构件和所述右钳柄连接，所述第二剪切部的一端通过所述铰接构件和所述左钳柄连接。
  2. 如权利要求1所述的剪切钳，其特征在于，所述调节件包括固定结构以固定在所述左钳柄上，所述调节件包括一个或多个配合结构，通过调节所述调节件以实现任意一个或多个配合结构抵住所述右钳柄，不同的配合结构离所述固定结构的距离不同；或所述调节件包括固定结构以固定在所述右钳柄上，所述调节件包括一个或多个配合结构，通过调节所述调节件以实现任意一个或多个配合结构抵住所述左钳柄，不同的配合结构离所述固定结构的距离不同。
  3. 如权利要求2所述的剪切钳，其特征在于，所述固定结构为固定轴，配合结构包括具有多个配合面的旋转片，所述固定轴穿设于所述旋转片设置并且所述旋转片可旋转地设于所述固定轴上，任意两个及多个配合面距离所述固定轴的中心轴的距离不同，通过调节所述旋转片以实现任意一个配合面抵住所述右钳柄或所述左钳柄。
  4. 如权利要求1所述的剪切钳，其特征在于，所述第一剪切部和所述第二剪切部相对设有钝部和刃部，所述钝部和所述刃部相互配合后实现剪切的功能，所述钝部和所述刃部距离最短时相距所述最短间距。
  5. 如权利要求4所述的剪切钳，其特征在于，所述第一剪切部或所述第二剪切部在相对于所述钝部或刃部的另一端设有凹陷。
  6. 如权利要求1所述的剪切钳，其特征在于，所述左钳柄包括左钳柄主体和左连接件，所述左钳柄主体的一端设有左连接件，所述右钳柄包括右钳柄主体和右连接件，所述右钳柄的一端设有右连接件，所述左连接件和所述右连接件通过枢轴连接，所述枢轴上套有弹簧。
  7. 如权利要求6所述的剪切钳，其特征在于，所述左连接件包括两个相对设置的左钳片，两个左钳片的两端分别由紧固件连接，所述右连接件包括两个相对设置的右钳片，两个右钳片的两端分别由紧固件连接，两个左钳片的中端和所述两个右钳片的中端通过所述枢轴连接。
  8. 如权利要求7所述的剪切钳，其特征在于，所述铰接构件包括左铰接片和右铰接片，所述左铰接片的一端和所述第一剪切部连接，所述左铰接片的另一端和所述两个左连接件的所述两端的其中一端连接，所述右铰接片的一端和所述第二剪切部连接，所述右铰接片的另一端和所述两个右连接件的两端的其中一端连接，所述两个左连接件的所述两端的其中另一端和所述右铰接片的所述一端连接，所述两个右连接件的所述两端的其中另一端和所述左铰接片的所述一端连接。
  9. 如权利要求7所述的剪切钳，其特征在于，所述两个左钳片和所述两个右钳片交错设置在所述枢轴的两端。
  10. 如权利要求7所述的剪切钳，其特征在于，所述左钳柄或所述右钳柄还包括拨片，所述拨片的一端通过紧固件固定于其中的一个左钳片或右钳片上，所述拨片的另一端卡合于所述右连接件或所述左连接件。
  11. 一种剪切钳，其特征在于，包括：
    剪切钳主体，包括互相铰接的左钳柄和右钳柄；
    第一剪切部；
    第二剪切部，和所述第一剪切部之间至少部分具有不为零的间距并且所述第二剪切部和所述第一剪切部配合从而实现剪切的功能；及
    铰接构件，所述第一剪切部的一端通过所述铰接构件和所述右钳柄连接，所述第二剪切部的一端通过所述铰接构件和所述左钳柄连接；
    通过控制左钳柄和所述右钳柄来调整所述第一剪切部和所述第二剪切部的间距。
  12. 如权利要求11所述的剪切钳，其特征在于，所述第一剪切部和所述第二剪切部相对设有钝部和刃部，所述钝部和所述刃部相互配合后实现剪切的功能，设有刃部的第一剪切部或所述第二剪切部的靠近所述钝部的一侧设有凹槽，所述第一剪切部和所述第二剪切部在设有凹槽的位置间距不为零。
  13. 如权利要求12所述的剪切钳，其特征在于，所述刃部部分延伸于所述第一剪切部或所述第二剪切部的靠近所述钝部的一侧，所述刃部设于所述凹槽的远离或靠近所述剪切钳主体一侧。
  14. 如权利要求13所述的剪切钳，其特征在于，所述剪切钳还包括用于调节刃部和钝部之间的间距的大小的调节件，所述刃部的宽度小于3cm。
  15. 如权利要求12所述的剪切钳，其特征在于，设有刃部的所述第一剪切部或所述第二剪切部具有平整的端面。
  16. 如权利要求12所述的剪切钳，其特征在于，设有钝部的所述第一剪切部或所述第二剪切部的端部的厚度逐渐递减。
  17. 如权利要求12所述的剪切钳，其特征在于，所述刃部可拆卸地设于所述第一剪切部或所述第二剪切部的靠近所述钝部的所述一侧。
  18. 一种剪切钳钳头，其特征在于，包括相互铰接的第一剪切部和第二剪切部；第二剪切部和所述第一剪切部之间至少部分具有不为零的间距并且所述第二剪切部和所述第一剪切部配合从而实现剪切的功能。
  19. 如权利要求18所述的剪切钳钳头，其特征在于，所述第一剪切部和所述第二剪切部相对设有钝部和刃部，所述钝部和所述刃部相互配合后实现剪切的功能，设有刃部的第一剪切部或所述第二剪切部的靠近所述钝部的一侧设有凹槽，所述第一剪切部和所述第二剪切部在设有凹槽的位置间距不为零。
  20. 如权利要求19所述的剪切钳钳头，其特征在于，所述刃部部分延伸于所述第一剪切部或所述第二剪切部的靠近所述钝部的一侧，所述刃部设于所述凹槽的远离或靠近所述剪切钳主体一侧。
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