CN218476081U - Cutting pliers and cutting pliers head - Google Patents

Abstract

The utility model provides a cut pincers and cut pincers binding clip, cut pincers including cutting pincers main part, first shearing part, second shearing part and articulated component. The shearing pliers body comprises a left pliers handle and a right pliers handle which are hinged with each other; the second shearing part and the first shearing part at least partially have a non-zero distance and are matched with the first shearing part so as to realize the shearing function; one end of the first shearing part is connected with the right forceps handle through a hinge component, and one end of the second shearing part is connected with the left forceps handle through a hinge component.

Description

Shearing pliers and head of shearing pliers

Technical Field

The utility model relates to an instrument technical field, more specifically relate to a cut pincers and cut pincers binding clip.

Background

The pipe fittings are used for connecting pipes. Typical plumbing fittings include elbows, tees, reducer heads, caps, various fittings, flanges, valves, expansion joints, pipe brackets, and the like. Wherein, for example, nonmetal pipelines such as plastic pipeline and these pipe fittings often use the mode of cup jointing to connect, expand at first the opening part of nonmetal pipeline during the installation, and then establish the pipeline cover after expanding on pipe fittings, then contract under nonmetal pipeline self tension and embrace pipe fittings to reach and closely establish the mesh on pipe fittings with nonmetal pipeline.

However, in practical applications, there are often situations in which the pipe fitting needs to be removed from the pipe, such as installation errors, or modification of the pipe, and so on. If the pipe and the pipe fitting are not matched tightly and the pipe fitting is not provided with special structures such as barbs, the nonmetal pipe can be cut by a cutting tool, so that the pipe fitting can be detached from the pipe. However, the existing shearing tool for disassembling the fittings can only be suitable for the pipe diameter with a single size, and when the pipes and the fittings with different sizes are required to be disassembled, the shearing tools with different sizes are required to be used, so that inconvenience is caused to users, and meanwhile, the working efficiency is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art's at least one not enough, provide one kind and can be fit for not the shearing pincers of unidimensional pipe diameter and cut pincers binding clip.

In order to achieve the above object, the present invention provides a pair of cutting pliers without an adjusting member, the pair of cutting pliers comprises a cutting pliers body, a first cutting portion, a second cutting portion and a hinge member, wherein the cutting pliers body comprises a left pliers handle and a right pliers handle which are mutually hinged; the second shearing part and the first shearing part are at least partially provided with a distance larger than zero and are matched with the first shearing part so as to realize the shearing function; one end of the first shearing part is connected with the right forceps handle through a hinge component, and one end of the second shearing part is connected with the left forceps handle through a hinge component; the distance between the first shearing part and the second shearing part is adjusted by controlling the left clamp handle and the right clamp handle, and a user can completely control the relative distance between the left clamp handle and the right clamp handle to control the distance between the first shearing part and the second shearing part, so that the cut objects with different sizes, types and shapes can be operated.

Different from the shearing pliers among the prior art, the shortest interval that corresponds between the shearing portion that sets up is zero, nevertheless the utility model provides a second shearing portion and the first shearing portion part of shearing pliers have the shortest not zero interval and with first shearing portion cooperation realize the function of cuting to the assurance can not cut wounded pipe fitting etc. and cut the piece.

Optionally, first shearing part and second shearing part are equipped with blunt portion and cutting part relatively, and blunt portion and cutting part realize the function of shearing after mutually supporting, and the one side that is close to blunt portion of first shearing part or the second shearing part that is equipped with the cutting part is equipped with the recess, and first shearing part and second shearing part are not zero at the position interval that is equipped with the recess.

Optionally, the blade part extends to one side of the first cutting part or the second cutting part close to the blunt part, and the blade part is arranged at one side of the groove far away from or close to the cutting pliers body.

Alternatively, the width of the blade portion is less than 3cm, and may be 1cm,2cm,2.5cm,0.5cm, or the like. The width of the blade is much smaller than the width of the groove, where the width direction is the same as the extending direction of the blade. The width of cutting part is less than the distance that is used for the tip of the grafting portion of grafting pipeline and sealing ring of pipe fitting, and the width of cutting part is enough little promptly to the sealing ring of pipe fitting can be kept away from to the cutting part, thereby can not cause the harm to the sealing ring.

Optionally, the first or second shearing portion provided with the blade has a flat end face so as to avoid other structures on the pipe fitting.

Optionally, the thickness of the end of the first shearing part or the second shearing part provided with the blunt part is gradually reduced to form a tip part with a prying function.

Optionally, the blade part is detachably arranged on one side of the first shearing part or the second shearing part close to the blunt part.

Optionally, the cutting pliers in this embodiment may include an adjusting member, and the size of the gap is adjusted by the adjusting member to adapt to the cut pieces such as pipe fittings of different sizes.

The adjusting piece comprises a fixing structure fixed on the left forceps handle, the adjusting piece comprises one or more matching structures, any one or more matching structures abut against the right forceps handle by adjusting the adjusting piece, and the distances between different matching structures and the fixing structure are different; or the adjusting piece comprises a fixing structure fixed on the right forceps handle, the adjusting piece comprises one or more matching structures, any one or more matching structures abut against the left forceps handle by adjusting the adjusting piece, and the distances between different matching structures and the fixing structure are different. The adjusting means in this embodiment may be rotation, turning, displacement, or a combination of any two or more of them. Optionally, the fixed knot constructs for the fixed axle, cooperation structure is including the revolving fragment that has a plurality of fitting surfaces, the fixed axle wears to locate the revolving fragment setting and the revolving fragment rotatably locates on the fixed axle, arbitrary two and a plurality of fitting surfaces are different apart from the center pin's of fixed axle distance, adjust the revolving fragment through rotatory mode and support right pincers handle or left pincers handle in order to realize arbitrary one fitting surface, consequently the fitting surface can mutually cooperate with the side of left pincers handle or right pincers handle with the size of fixed shortest interval, the fixed axle here is perpendicular to or the direction setting of approximate perpendicular to revolving fragment. In another practical mode, the fixed shaft can be arranged in parallel with the rotating sheets, one or more rotating sheets can be arranged on the rotating sheets, the rotating sheets can be arranged around the fixed shaft in a turnover mode, and the rotating sheets are turned over to adjust the rotating sheets so as to achieve adjustment of the size of the shortest distance.

Optionally, the matching structure and the left forceps handle or the right forceps handle are provided with a protrusion-groove fixing structure in a matching manner to further fix the size of the shortest distance.

Alternatively, the shape of the rotating sheet is not a rotationally symmetric pattern. The shape of the rotating sheet can also be a rotationally symmetrical figure, wherein the rotationally symmetrical figure refers to a figure which is superposed with an initial figure after a plane figure rotates for a certain radian around a fixed point on the plane. However, the pattern of the rotary plate in the present invention may be a deformation of a rotationally symmetric pattern, for example, the first rotary unit is rotated by a first radian to obtain the second rotary unit, and then the first rotary unit is rotated by a first radian to obtain the third rotary unit, and so on, the (n + 1) th rotary unit is obtained after the first radian is rotated n times, the (n + 1) th rotary unit is adjacent to the first rotary unit, and the distance between any two of the rotary units and the distance between the plurality of rotary units and the rotational fixed point are different by adjusting the first rotary unit, the second rotary unit, and the third rotary unit, the' \\\ 8230, and the distance between the (n + 1) th rotary unit and the rotational fixed point. The rotation unit may be a straight line, an arc line, or a combination of the straight line and the arc line, and the rotational symmetry pattern may be a non-regular polygon such as a non-regular pentagon, a petal shape, or the like, for example. The rotational fixed point here refers to the central axis. The first rotating unit, the second rotating unit and the third rotating unit (8230) \8230, wherein any two adjacent rotating units in the (n + 1) th rotating unit can be directly connected or not directly connected. Optionally, in order to make the rotation smoother, arc transition is adopted between different rotation units.

All of the rotary units shown here are uniform in shape and size, but in alternative embodiments one or both of the shape and size may also be non-uniform. For example, the shape of the rotating sheet may be an isosceles triangle other than an equilateral triangle, or may even be any other triangle.

Optionally, first shearing part or second shearing part are equipped with sunken for the opposite side of blunt portion or cutting part, and sunken size is designed according to actual demand, and sunken design does benefit to the application range of widening shearing pliers, can use in some narrow and small service environment.

Optionally, the left forceps handle comprises a left forceps handle main body and a left connecting piece, one end of the left forceps handle main body is provided with the left connecting piece, the right forceps handle comprises a right forceps handle main body and a right connecting piece, one end of the right forceps handle is provided with the right connecting piece, the left connecting piece and the right connecting piece are connected through a pivot, and a spring is sleeved on the pivot.

Optionally, the left connecting piece includes two left clamp pieces that set up relatively, and the both ends of two left clamp pieces are connected by the fastener respectively, and the right connecting piece includes two right clamp pieces that set up relatively, and the both ends of two right clamp pieces are connected by the fastener respectively, and the middle-end of two left clamp pieces and the middle-end of two right clamp pieces pass through the pivot and connect.

Optionally, 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, one end of the right hinge piece is connected with the second shearing portion, one of the two ends of the two right connecting pieces at the other end of the right hinge piece is connected, the other of the two ends of the two left connecting pieces is connected with one of the right hinge piece, and the other of the two ends of the two right connecting pieces is connected with one of the left hinge piece.

Optionally, the two left forceps blades and the two right forceps blades are arranged at two ends of the pivot in a staggered manner.

Optionally, the left forceps handle or the right forceps handle further includes a shifting piece, one end of the shifting piece is fixed to one of the left forceps piece or the right forceps piece through a fastener, and the other end of the shifting piece is clamped to the right connecting piece or the left connecting piece.

Optionally, the blade portion extends on a side of the first or second shear adjacent the blunt portion. In other embodiments, the blade portion may extend entirely on the side of the first or second cutting portion near the blunt portion.

Optionally, a groove is formed in one side, close to the blunt portion, of the first shearing portion or the second shearing portion, and the blade portion is arranged on one side, far away from the shearing pliers body, of the groove and also can be arranged on one side, close to the shearing pliers body, of the blade portion. The utility model also provides a cutting nipper binding clip, which comprises a first cutting part and a second cutting part which are hinged with each other; the second shearing part and the first shearing part are at least partially provided with a distance which is not zero, and the second shearing part and the first shearing part are matched to realize the shearing function.

Optionally, first shearing part and second shearing part are equipped with blunt portion and cutting part relatively, and blunt portion and cutting part realize the function of shearing after mutually supporting, and the one side that is close to blunt portion of first shearing part or the second shearing part that is equipped with the cutting part is equipped with the recess, and first shearing part and second shearing part are not zero at the position interval that is equipped with the recess.

Optionally, the blade portion extends on a side of the first or second cutting portion adjacent the blunt portion.

To summer up, the utility model provides a shearing pliers and shearing pliers binding clip's second shearing part and first shearing part at least part have non-zero shortest distance and realize the function of cuting with the cooperation of first shearing part to the assurance can not cut hindering pipe fittings etc. and cut the piece. Optionally, the utility model discloses can adjust the size of shortest interval through the regulating part to the not unidimensional pipe fittings of adaptation etc. are cut the piece.

Drawings

Fig. 1 is a schematic view of one side of a pair of cutting pliers according to an embodiment of the present invention;

fig. 2 is another schematic view of a pair of cutting pliers according to an embodiment of the present invention;

FIG. 3 is a schematic view of one side of a left forceps handle according to an embodiment of the present invention;

FIG. 4 is a schematic view of another side of the left forceps handle according to an embodiment of the present invention;

FIG. 5 is a side view of a left forceps handle according to an embodiment of the present invention;

FIG. 6 is a schematic view of one side of a pair of cutting pliers with left and right handles removed according to an embodiment of the present invention;

fig. 7 is a schematic view of another side of a pair of cutting pliers with left and right handles removed, according to an embodiment of the present invention;

fig. 8 is a schematic view of a rotary plate according to an embodiment of the present invention;

FIG. 9 is one of the schematic views of the pipe and pipe fitting assembly provided by the first embodiment of the present invention;

fig. 10 is a second schematic view of the fitting of the pipe and the pipe fitting provided by the embodiment of the present invention;

fig. 11 is a schematic view of a first cutting portion and a second cutting portion of a second embodiment of the present invention;

fig. 12 is a partial schematic view of a pair of shearing pliers according to a second embodiment of the present invention;

fig. 13 is a schematic view of a detachable cutting jaw according to embodiment two of the present invention.

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

The utility model provides a plurality of indicate two and more than two arbitrary quantity.

Example one

Referring to fig. 1 to 8, the present embodiment provides a pair of cutting pliers, including a cutting pliers body 30, a first cutting portion 10, a second cutting portion 20, an adjusting member 80 and a hinge member. The cutting pliers body comprises a left pliers handle 31 and a right pliers handle 32 which are hinged with each other; the second cutting portion 20 and the first cutting portion 10 have the shortest distance L and cooperate with the first cutting portion to perform a cutting function; the adjusting piece 80 is used for adjusting the size of the shortest distance L; one end of the first cutting portion 10 is connected to the right grip 32 by a hinge member, and one end of the second cutting portion is connected to the left grip 31 by a hinge member.

Fig. 9 and 10 show the matching schematic diagram of the pipeline and the pipeline fitting, during installation, the sleeve 200 is firstly sleeved at one end of the non-metal pipeline 100, then one end of the non-metal pipeline close to the opening is expanded by using a tool, then the expanded pipeline sleeve is sleeved on the pipeline fitting 300, the part sleeved on the pipeline fitting 300 is provided with a raised sealing ring 301, and then the pipeline fitting is shrunk and clasped under the action of the self tension of the non-metal pipeline. Can cut the position that the pipeline is close to pipe fittings earlier when dismantling, then according to the size of the size adjustment regulating part of pipeline in order to adjust shortest interval L, use the shearing pincers in this embodiment to cut the pipeline, moreover, the second shearing part and the first shearing part of the shearing pincers in this embodiment have shortest interval L and with the cooperation of first shearing part realize the function of cuting to guarantee can not cut by cutting such as hindering pipe fittings.

In this embodiment, the regulating part includes fixed knot structure in order to realize fixing the purpose on left pincers handle, and the regulating part includes a cooperation structure, and fixed knot structure is fixed axle 801, and the cooperation structure is including revolving fragment 806 that has a plurality of fitting surfaces, and the revolving fragment setting is worn to locate to the revolving fragment rotatably locates on the fixed axle, and arbitrary two and a plurality of fitting surfaces are different apart from the distance of the center pin of fixed axle, supports the side of right pincers handle in order to realize arbitrary one fitting surface through adjusting the revolving fragment. By adjusting the adjusting member to realize that any one or more matching surfaces abut against the right forceps handle, the distances from the fixing structure to different matching surfaces are different, and the different matching surfaces can be arranged corresponding to different requirements, such as corresponding to different sizes of pipelines respectively.

In other embodiments, there may be a plurality of mating structures, each having one or more mating surfaces.

In this embodiment, as shown in fig. 8, the rotating pieces are pentagonal and chamfered. One end of the rotating sheet is provided with a tongue piece 802, the other three ends of the rotating sheet are provided with three matching surfaces (803, 804 and 805), corresponding marks are arranged near the matching surfaces to facilitate identification, and the distances from the three matching surfaces to the central axis are respectively H1, H2 and H3; wherein, H1, H2, and H3 are all unequal, and may correspond to 1 ', 1/2 ', 3/4 ' pipes, respectively, for example.

In this embodiment, the blunt portion 201 and the blade portion 101 are disposed opposite to each other in the first cutting portion and the second cutting portion, and the blunt portion and the blade portion cooperate with each other to realize the cutting function, and the blade portion 101 in this embodiment extends completely on the first cutting portion, so that the shortest distance L between the second cutting portion and the first cutting portion in this embodiment is not zero, that is, when the cutting pliers are used, the second cutting portion and the first cutting portion are not closed in use, and when the first cutting portion and the second cutting portion are the closest, the closest distance is the shortest gap. Blunt portion and cutting part are apart from shortest interval L when being shortest, and when using, blunt portion can directly cooperate with the inside of pipe fitting, is difficult to damage pipe fitting. In this embodiment, the blunt portion and the blade portion are always parallel or always substantially parallel with the adjustment of the adjustment member, the shortest distance L in this embodiment is the distance between the blunt portion and the blade portion that are parallel or substantially parallel to each other, and in other embodiments, the blunt portion and the blade portion may also be non-parallel.

In this embodiment, first shearing portion or second shearing portion are equipped with sunken 202 for the opposite side of blunt portion or cutting part, and sunken size designs according to actual need, and sunken design does benefit to the application range of broadening shearing pliers, can use in some narrow and small service environment.

In this embodiment, the left forceps handle includes a left forceps handle main body 311 and a left connecting member 310, a left connecting member is disposed at one end of the left forceps handle main body, a right forceps handle includes a right forceps handle main body and a right connecting member, a right connecting member is disposed at one end of the right forceps handle, the left connecting member and the right connecting member are connected by a pivot 50, and a spring is sleeved on the pivot. The spring has the function of resetting. The left and right clamp heads have the same shape, and in other embodiments, the left and right clamp heads may have different shapes.

More specifically, the left connecting member 310 includes two left clamp pieces 312 disposed opposite to each other, two ends of the two left clamp pieces are connected by a fastener, the right connecting member includes two right clamp pieces disposed opposite to each other, two ends of the two right clamp pieces are connected by a fastener, and middle ends of the two left clamp pieces and middle ends of the two right clamp pieces are connected by a pivot. The fasteners in this embodiment are all bolts, and in other implementations, the fasteners may also be studs, nuts, screws, etc., and the number of the fasteners in this embodiment is four. The fastener and the fixed shaft in this embodiment may be the same.

The left clamp pieces 312 may or may not be parallel to each other. In this embodiment, one of the left clamp pieces is planar, and the other of the left clamp pieces is convex outward, as well as the right clamp piece, as shown in fig. 5.

In this embodiment, 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, the other end of the left hinge piece is connected to one of the two ends of the two left connecting members, one end of the right hinge piece 90 is connected to the second shearing portion, one of the two ends of the two right connecting members at the other end of the right hinge piece 90 is connected to one of the two ends of the two right connecting members, one of the two other ends of the two left connecting members is connected to one of the right hinge piece 90, and one of the two other ends of the two right connecting members is connected to one of the left hinge piece. The left hinge plate and the right hinge plate 90 are respectively and oppositely provided with an arc-shaped groove 703 for accommodating a bolt. The other end of articulated piece in a left side is equipped with recess 702, and the other end of articulated piece in the right side also is equipped with recess 902, and the recess is square structure, and square recess is used for holding the fastener, and two articulated piece one ends in a left side are equipped with perforation 701, and the one end of two articulated pieces in the right side is equipped with perforation 901, and the perforation is used for making the fastener pass. The right hinge plate 90 and the left hinge plate 70 are identical in shape and size in this embodiment, but may be different in other embodiments.

In this embodiment, the two left and right clamping pieces are alternatively disposed at two ends of the pivot. The staggered arrangement refers to that one left clamp piece and one right clamp piece are arranged in an intersecting manner on one side of the shearing clamp, and the other left clamp piece and the other right clamp piece are arranged in an intersecting manner on the other side of the shearing clamp and are arranged in an X shape. More further, in one side of shearing pincers, if left clamp piece locates the outside of right clamp piece, then at the opposite side of shearing pincers, if the outside of left clamp piece is located to right clamp piece to increase the fastness.

In this embodiment, the left forceps handle 31 or the right forceps handle 32 further includes a shifting piece 40, one end of the shifting piece is fixed to one of the left forceps piece or the right forceps piece through a fastening member, the other end of the shifting piece is engaged with the right connecting member or the left connecting member, and the shifting piece may be provided with a protrusion.

In this embodiment, the left handle 31 or the right handle 32 is sleeved with a handle sleeve 33, and the left handle 31 and the right handle 32 in this embodiment have symmetrical shapes and structures.

Example two

When the cutting pliers provided by the first embodiment are used, due to the existence of the sealing ring protruding from the pipe fitting, two ends of the pipe are low and the middle of the pipe is high, so that only the middle of the pipe (relatively close to the sealing ring 301) can be cut off during cutting, and two ends (relatively far from the sealing ring 301) are not cut thoroughly, so that the assistance of an electric soldering iron or other devices is needed. Even though some pipe fittings are recessed 302 alongside the raised sealing ring, the pipe is recessed with the recess, making shearing more difficult.

In order to avoid this, the second embodiment provides another cutting pliers, the basic structure of which is the same as that of the first embodiment, and only the difference will be described below.

As shown in fig. 11 and 12, the thickness of the end of the first cutting portion 10' is gradually decreased to form a tip 102, and the tip of the first cutting portion may perform a prying function similar to a screwdriver, and may help pry the pipe apart after or during cutting, and in other embodiments, the tip 102 may not be provided. The second cutting portion 20' is provided with a partially extending blade portion 204, the blade portion is arranged to be convex towards the first cutting portion, and the distance between the non-convex portions of the first cutting portion and the second cutting portion is not zero, so as to ensure that the cut pieces such as pipe fittings are not cut. The protruding cutting edge of second shearing part and the blunt portion cooperation of first shearing part are in order to realize the function of cuting, and the protruding height L1 of cutting edge can be so big that the blunt portion of cutting edge and first shearing part is laminated completely, and the interval is zero promptly. One side of the second shearing part close to the blunt part is provided with a groove 205, the distance between the first shearing part and the second shearing part at the position of the groove is not zero, and the blade part in the embodiment is arranged at one side of the groove far away from the shearing pliers body. 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, i.e. the distance between the end of the pipe fitting for inserting the pipe and the sealing ring, i.e. the width of the blade is small enough that the blade can avoid the sealing ring of the pipe fitting, so that the sealing ring is not damaged. In another possible embodiment, the width of the blade is less than the width of the groove of the depression 302 in FIG. 12.

In this embodiment, the groove 205 is not provided with a blade portion, and the raised portion is a blade portion, but in some other embodiments, the groove may be provided with a blade portion according to requirements, and the raised portion may be only partially provided with a blade portion.

Optionally, in addition to the three matching surfaces of the first embodiment, a fourth matching surface is further provided, and distances from the fourth matching surface to the central axis are H4 respectively; h1 H2, H3, and H4 all inequality, H4 is corresponding to the zero-bit, when being located the zero-bit, the shortest interval of first shearing part and second shearing part is minimum, and shearing function is best, thereby can cut the both ends of pipeline and can avoid the sealing ring with the cutting part embedding this moment, when carrying out the middle part shearing of pipeline again, adjust the fitting surface again for H1 or H2 or H3, realize the shearing of the intermediate position of pipeline, and can not harm the sealing ring that is located the pipeline intermediate position. However, in other embodiments, the fourth mating surface may not be provided.

Optionally, the second shearing portion with the blades has a flat end face 203 to avoid other structures on the pipe fitting. The first cutout is higher than the second cutout to further avoid other structures on the plumbing fitting.

In another embodiment, as shown in fig. 13, the blade portion is detachably disposed on one side of the first cutting portion or the second cutting portion close to the blunt portion, so that the blade portion is worn or damaged due to improper operation during use, and the cutting pliers can be further used continuously by replacing the blade portion. The blade and the first cutting portion or the second cutting portion may be fixed by one or more screw threads or the like, but the present application is not limited to a specific detachable manner, and any detachable connection is within the scope of the present application. Alternatively, the fixing fastness can also be increased by providing a pressing sheet.

In some other embodiments, the blade protrusion height L1 is adjustable, that is, the blade is slidably or movably disposed relative to the first shearing section or the second shearing section so as to adjust the blade protrusion height L1, and finally the adjustment of the size of the distance L is achieved.

EXAMPLE III

Compared with the second embodiment, the third embodiment provides a simpler shearing pliers without a rotating piece, the shearing pliers comprise a shearing pliers body, a first shearing part, a second shearing part and a hinge component, and the shearing pliers body comprises a left pliers handle and a right pliers handle which are mutually hinged; the second shearing part and the first shearing part are at least partially provided with a non-zero distance and are matched with the first shearing part so as to realize the shearing function; one end of the first shearing part is connected with the right forceps handle through a hinge component, and one end of the second shearing part is connected with the left forceps handle through a hinge component; the distance between the first shearing part and the second shearing part is adjusted by controlling the left clamp handle and the right clamp handle. That is, the shortest distance can be only one fixed distance, and the user can completely control the relative distance between the left forceps handle and the right forceps handle to control the distance between the first cutting part and the second cutting part, so as to operate the cut objects with different sizes, models and shapes.

The second cutting portion in the third embodiment is the same as the second cutting portion in the second embodiment in shape and structure, that is, both are provided with the partially extended blade portion of the protrusion, so that the cut objects can be protected from being damaged even when the shortest distance is zero. Some other structures may be the same as those in embodiment two.

Example four

The embodiment also provides a head of the cutting pliers, which comprises a first cutting part and a second cutting part which are hinged with each other; the second shearing part and the first shearing part are at least partially provided with a distance which is not zero, and the second shearing part and the first shearing part are matched to realize the shearing function.

The first cutout and the second cutout may refer to the structure in embodiment two.

The head of the cutting pliers can be matched with handles of other pliers with any structures.

It will be understood by those skilled in the art that in the present disclosure, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present invention and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms should not be construed as limiting the invention.

Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of other modifications and variations without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A pair of cutting pliers, comprising:

the shearing pliers comprises a shearing pliers body and a shearing pliers body, wherein the shearing pliers body comprises a left pliers handle and a right pliers handle which are hinged with each other;

a first shearing section;

the second shearing part and the first shearing part are at least partially provided with a non-zero distance and are matched with each other so as to realize the shearing function; and

a hinge member, one end of the first cutting part is connected with the right forceps handle through the hinge member, and one end of the second cutting part is connected with the left forceps handle through the hinge member;

adjusting the spacing of the first and second shearing portions by controlling the left and right handles; the first shearing part and the second shearing part are relatively provided with a blunt part and a blade part, the blunt part and the blade part are matched with each other to realize the shearing function, one side of the first shearing part provided with the blade part or one side of the second shearing part close to the blunt part is provided with a groove, and the distance between the first shearing part and the second shearing part at the position provided with the groove is not zero;

the cutting part extends in first shearing part or being close to of second shearing part one side of blunt portion, the cutting part is located keeping away from or being close to of recess shearing pliers main part one side.

2. A cutting pliers according to claim 1 wherein the pliers further includes an adjustment means for adjusting the size of the spacing between the blade and the blunt portion, the blade having a width of less than 3cm.

3. The cutting nippers as claimed in claim 1, wherein said first cutting portion or said second cutting portion provided with the blade portion has a flat end surface.

4. The cutting nippers as set forth in claim 1, wherein the end portions of said first cutting member or said second cutting member provided with the blunt portions are gradually decreased in thickness.

5. The shearing pliers as recited in claim 1 wherein said blade is removably disposed on said side of said first or second shearing portion proximate said blunt portion.

6. A cutting nipper head is characterized by comprising a first cutting part and a second cutting part which are hinged with each other; the second shearing part and the first shearing part are at least partially provided with a non-zero distance and are matched with each other to realize the shearing function;

the first shearing part and the second shearing part are relatively provided with a blunt part and a blade part, the blunt part and the blade part are mutually matched to realize a shearing function, one side of the first shearing part provided with the blade part or one side of the second shearing part close to the blunt part is provided with a groove, and the distance between the positions of the first shearing part and the second shearing part provided with the groove is not zero;

the blade part extends first shearing part or being close to of second shearing part one side of blunt portion, the blade is located keeping away from or being close to of recess shearing pliers main part one side.

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