CN211805628U

CN211805628U - Pliers

Info

Publication number: CN211805628U
Application number: CN201922274600.8U
Authority: CN
Inventors: 王振华; 苏朝辉; 陈国�
Original assignee: Shandong Huayu University of Technology
Current assignee: Shandong Huayu University of Technology
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-30
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a hand tool technical field especially relates to a pliers. This pliers includes: the middle part of the first binding clip is hinged with the middle part of the second binding clip; one end of the first forceps head, which is far away from the first jaw part, is connected with a first handle, and one end of the second forceps head, which is far away from the second jaw part, is connected with a second handle; the first handle and the second handle can move towards or away from each other to enable the pliers to be switched between a closed state and an open state; the first handle is rotatably connected with the first tong head, and the second handle is rotatably connected with the second tong head; the connecting part of the first tong head and the first handle and the connecting part of the second tong head and the second handle are respectively provided with a locking piece, and the locking pieces are used for locking the first handle and the second handle at corresponding positions. When needing to use the pliers operation, operating personnel can rotate the first in command and the second in command and through the retaining member locking in corresponding position, has increased the operating direction and the application range of pliers, has improved work efficiency.

Description

Pliers

Technical Field

The utility model relates to a hand tool technical field, concretely relates to pliers.

Background

Pliers are hand tools used for clamping and fixing a processing workpiece or twisting, bending and shearing a metal wire. The pliers are V-shaped and usually comprise a handle, a cheek and a mouth. The basic principle of the pliers is that two levers are crossed and connected together by a pin at a point in the middle part, so that two ends can move relatively, and an object can be pinched at the other end only by operating the tail end by hands.

The fixed integral type structure of handle and pincers cheek of pliers among the prior art, in the less place in space, the work piece can be held to the pincers mouth, but the integral type structure of handle and pincers cheek has restricted the operation direction of handle, causes the handle application of force inconvenient, has restricted the application range of pliers, leads to work efficiency not high.

Therefore, it is necessary to design a pair of pliers with handles capable of rotating to corresponding positions according to operation requirements.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned technical problem who exists among the prior art, provide a pliers, first, the second handle can be first relatively, the second binding clip is rotatory, is convenient for in the little local operation in space, has improved work efficiency.

In order to achieve the technical purpose, an embodiment of the present invention provides a pair of pliers, including a first plier head and a second plier head, wherein the first plier head and the second plier head are arranged in a crossed manner, and the middle part of the second plier head is hinged to the middle part of the first plier head; the first forceps head is provided with a first jaw part, the second forceps head is provided with a second jaw part, the forceps has a closed state that the first jaw part is in contact with the second jaw part and an open state that the first jaw part is separated from the second jaw part, one end of the first forceps head, which is far away from the first jaw part, is connected with a first handle, and one end of the second forceps head, which is far away from the second jaw part, is connected with a second handle; a moving space is formed between the first handle and the second handle, and the first handle and the second handle can move towards or away from each other to switch the pliers between a closed state and an open state; the first handle is rotatably connected with the first tong head, and the second handle is rotatably connected with the second tong head; and the joint of the first tong head and the first handle and the joint of the second tong head and the second handle are respectively provided with a locking piece, and the locking pieces are used for locking the first handle and the second handle at corresponding positions.

Furthermore, a first rotating shaft is fixedly arranged at one end, far away from the first jaw part, of the first tong head, and the first handle is rotatably connected with the first rotating shaft; and a second rotating shaft is fixedly arranged at one end of the second tong head, which is far away from the second tong opening, and the second handle is rotatably connected with the second rotating shaft.

Further, the extending direction of the first rotating shaft is opposite to the extending direction of the second rotating shaft, and the first handle and the second handle can rotate in a plane perpendicular to the first tong head.

Furthermore, the first rotating shaft and the second rotating shaft are threaded shafts, and the first handle and the second handle are in threaded connection with the first rotating shaft and the second rotating shaft respectively.

Furthermore, the locking piece is a butterfly nut, the butterfly nut is in threaded connection with the first rotating shaft and the second rotating shaft, and one end face of the butterfly nut abuts against the outer wall surfaces of the first handle and the second handle.

Furthermore, the locking piece comprises a locking part, the locking part on the locking piece at the joint of the first tong head and the first handle is in threaded connection with the first handle, and the end part of the locking part penetrates through the first handle and is abutted against the outer contour of the first rotating shaft; the locking part on the locking part at the joint of the second tong head and the second handle is in threaded connection with the second handle, and the end part of the locking part penetrates through the second handle and is abutted to the outer contour of the second rotating shaft.

Further, the retaining member further includes a handle.

Further, a moving space formed between the first handle and the second handle is matched with the first tong head and the second tong head, so that the first handle and the second handle can rotate to be parallel to the first tong head and the second tong head.

Further, the first jaw portion and the second jaw portion are both provided with a sawtooth portion and a cutting edge.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

the embodiment of the utility model provides an in the embodiment of the first in command and first binding clip rotatable coupling, second in command and second binding clip rotatable coupling, the retaining member with the first in command and the locking of second in command in corresponding position. When needing to use the pliers operation, operating personnel can rotate the first in command and the second in command and through the retaining member locking in corresponding position, has increased the operation direction and the application range of pliers, is convenient for in the little place operation in space, has improved work efficiency. The first handle and the second handle move towards or away from each other to enable the pliers to be switched between a closed state and an open state so as to clamp the workpiece for corresponding operation.

Drawings

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

fig. 2 is a schematic structural diagram of a first binding clip according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a second binding clip according to a first embodiment of the present invention;

FIG. 4 is a schematic structural view of a first handle according to a first embodiment of the present invention;

FIG. 5 is a schematic view showing the rotation process of the pinchers according to the first embodiment of the present invention;

FIG. 6 is a schematic view of the first embodiment of the present invention showing the pliers folded;

FIG. 7 is a schematic structural view of a pair of pliers according to a second embodiment of the present invention;

FIG. 8 is a schematic view of a locking member according to a second embodiment of the present invention;

fig. 9 is a schematic structural view of a locking member, a first handle and a first rotating shaft of a second embodiment of the present invention when the pliers are in a locked state.

Description of the reference numerals

100-forceps, 101-first forceps head, 102-second forceps head, 103-first jaw portion, 104-first rotating portion, 105-first connecting portion, 106-second jaw portion, 107-second rotating portion, 108-second connecting portion, 109-pin shaft, 110-first rotating shaft, 111-second rotating shaft, 112-first handle, 113-second handle, 114-rotating portion, 115-locking member, 116-rotating hole, 117-serration portion, 118-cutting edge, 119-moving space;

200-forceps, 201-first forceps head, 202-second forceps head, 210-first rotating shaft, 211-second rotating shaft, 212-first handle, 213-second handle, 214-rotating part, 215-locking part, 216-rotating hole, 220-locking part, 221-clamping part, 222-handle, 223-limiting part.

Detailed Description

Other objects and advantages of the present invention will become apparent from the following explanation of the preferred embodiments of the present invention.

For convenience of description, the terms "upper", "lower", "left" and "right" are used in the same way as the drawings, but do not limit the structure of the present invention.

[ EXAMPLES one ]

Fig. 1 to 6 schematically show the structure of the pliers 100 according to the first embodiment of the present invention.

As shown in fig. 1 to 3, a pair of pliers 100 comprises a first plier head 101 and a second plier head 102, wherein the first plier head 101 and the second plier head 102 are arranged in a crossed manner, and the middle part of the second plier head 102 is hinged with the middle part of the first plier head 101 through a pin 109, so that the first plier head 101 and the second plier head 102 can rotate relatively. Specifically, the first tong head 101 includes a first tong opening 103, a first rotating portion 104 and a first connecting portion 105 which are fixedly connected in sequence, the second tong head 102 includes a second tong opening 106, a second rotating portion 107 and a second connecting portion 108 which are fixedly connected in sequence, and a pin shaft 109 is arranged through the center position of the first rotating portion 104 and the center position of the second rotating portion 107. The sum of the thicknesses of the first rotating portion 104 and the second rotating portion 107 is equal to the thicknesses of the first and

second jaw portions

103 and 106, and the sum of the thicknesses of the first rotating portion 104 and the second rotating portion 107 is equal to the thicknesses of the first and second connecting

portions

105 and 108; after the first binding clip 101 and the second binding clip 102 are assembled, the upper end surface of the first binding clip 101 is flush with the upper end surface of the second binding clip 102, and the lower end surface of the first binding clip 101 is flush with the lower end surface of the second binding clip 102, so that the first binding clip 101 and the second binding clip 102 are uniformly stressed, and the operation is convenient.

The forceps 100 has a closed state in which the first jaw portion 103 is in contact with the second jaw portion 106 and an open state in which the first jaw portion 103 is separated from the second jaw portion 106, and when the forceps 100 is in the closed state, it is possible to grasp or operate a workpiece, and when the forceps 100 is in the open state, it is possible to release the grasped workpiece and perform the next operation.

A first handle 112 is connected to one end of the first plier head 101, which is far away from the first jaw part 103, and a second handle 113 is connected to one end of the second plier head 102, which is far away from the second jaw part 106; a moving space 119 is formed between the first handle 112 and the second handle 113, and the first handle 112 and the second handle 113 can move toward or away from each other to switch the forceps 100 between the closed state and the open state. The operator forms a holding force to the first tong head 101 and the second tong head 102, namely a clamping force to the workpiece, by the cooperation of the first handle 112 and the second handle 113.

The first handle 112 is rotatably connected with the first connecting part 105 on the first tong head 101, and the second handle 113 is rotatably connected with the second connecting part 108 on the second tong head 102; and

the connection between the first connecting portion 105 and the first handle 112 of the first binding clip 101 and the connection between the second connecting portion 108 and the second handle 113 of the second binding clip 102 are provided with a locking member 115, and the locking member 115 is used for locking the first handle 112 and the second handle 113 at corresponding positions.

In the embodiment of the present invention, the first handle 112 is rotatably connected to the first binding clip 101, the second handle 113 is rotatably connected to the second binding clip 102, and the locking member 115 locks the first handle 112 and the second handle 113 at corresponding positions. When the pliers 100 are needed to be used for operation, an operator can rotate the first handle 112 and the second handle 113 and lock the first handle and the second handle at corresponding positions through the locking piece 115, so that the operation direction and the use range of the pliers 100 are increased, the operation in a small space is facilitated, and the working efficiency is improved.

As shown in fig. 1 and 4, the first connecting portion 105 of the first binding clip 101 is fixedly provided with a first rotating shaft 110, and the connecting manner may be welding. A rotating part 114 is arranged at the end part of the first handle 112, a rotating hole 116 is arranged in the rotating part 114, the rotating hole 116 is matched with the first rotating shaft 110, the first rotating shaft 110 is arranged in the rotating hole 116 in a penetrating way, so that the rotating part 114 of the first handle 112 is rotatably connected with the first rotating shaft 110; the first connecting portion 105 of the second binding clip 102 is fixedly provided with a second rotating shaft 111, and the connecting manner may be welding. The second handle 113 and the first handle 112 have the same internal structure, and the second handle 113 and the second rotating shaft 111 are connected in the same manner as the first handle 112 and the first rotating shaft 110, so that the first handle 112 and the second handle 113 can rotate relative to the first forceps head 101 and the second forceps head 102.

As shown in fig. 1 and 5, the first rotating shaft 110 and the second rotating shaft 111 extend in opposite directions, and the first handle 112 and the second handle 113 can rotate in a plane perpendicular to the first forceps head 101, so that the first handle 112 and the second handle 113 can rotate 360 ° around the first handle 112 and the second handle 113, thereby increasing the application range of the forceps 100.

As shown in fig. 1 and 4, the first rotating shaft 110 and the second rotating shaft 111 are threaded shafts, the first handle 112 is in threaded connection with the first rotating shaft 110, and the second handle 113 is in threaded connection with the second rotating shaft 111, so that the smoothness of rotation of the first handle 112 and the second handle 113 is relatively increased.

As shown in fig. 1 and 4, the end surface of the rotation portion 114 is a flat surface. The locking member 115 is a wing nut, the corresponding wing nut is screwed on the first rotating shaft 110 or the second rotating shaft 111, and one end face of the wing nut abuts against the outer end face of the rotating portion 114 on the first handle 112 or the second handle 113.

As shown in fig. 5, the serrations 117 and the cutting edges 118 are provided on the opposing surfaces of the first jaw portion 103 and the second jaw portion 106, so that the pliers 100 can be used in a wide range of applications, such as holding a workpiece and cutting an electric wire.

As shown in FIG. 6, the space 119 formed between the first handle 112 and the second handle 113 is matched with the first jaw 101 and the second jaw 102, so that the first handle 112 and the second handle 113 can be rotated to a position parallel to the first jaw 101 and the second jaw 102, and the pliers 100 can be rotated to a folded state for carrying when the pliers 100 is not in use.

The utility model relates to a theory of operation of embodiment is: when the pliers 100 are required to be used for operation, an operator unscrews the butterfly nut, rotates the first handle 112 to a required position, and screws the butterfly nut; by repeating the above operation, the second handle 113 is rotated and locked at a position corresponding to the first handle 112, and the first handle 112 and the second handle 113 can be grasped to move the first jaw 101 and the second jaw 102 toward or away from each other.

[ example two ]

Fig. 7-9 illustrate a schematic structural diagram of a pair of forceps 200 according to an embodiment of the present invention.

As shown in FIGS. 7-9, the difference between the forceps 200 of the present embodiment and the first embodiment is that the forceps 200 of the present embodiment has a different locking member 215. Therefore, the following description focuses on the locker 215 of the present embodiment. Descriptions of the same or similar elements as in the first embodiment will be omitted.

As shown in fig. 7 to 9, the first rotating shaft 210 and the second rotating shaft 211 are non-threaded rods, and the first rotating shaft 210 or the second rotating shaft 211 passes through the rotating hole 216 of the first handle 212 or the second handle 213.

As shown in fig. 8 and 9, the locking member 215 includes a locking portion 220, a clamping portion 221, and a handle 222, and the locking portion 220, the clamping portion 221, and the handle 222 are fixedly connected in sequence. The locking part 220 is screwed with the rotating part 214 on the first handle 212, when the first handle 212 is rotated, the end of the locking part 220 passes through the rotating part 214 and abuts against the outer contour of the first rotating shaft 210, and the side of the clamping part 221 facing the locking part 220 abuts against the side of the rotating part 214 to lock the first handle 212 at the corresponding position. The second handle 213 and the locker 215 are coupled in the same manner as the first handle 212 and the locker 215 to lock the second handle 213 at the corresponding position. The maneuverability and ease of retaining member 215 is increased by the provision of handle 222.

Preferably, as shown in fig. 7, the end portions of the first rotating shaft 210 and the second rotating shaft 211, which face away from the first handle 212 and the second handle 213, are provided with a limiting portion 223, and the diameter of the limiting portion 223 is larger than that of the rotating hole 216, so as to prevent the first handle 212 and the second handle 213 from sliding off the first rotating shaft 210 or the second rotating shaft 211 during the rotating process.

The utility model relates to a theory of operation of embodiment is: when the pliers 200 are needed to be used for operation, an operator rotates the handle 222 of the locking member 215 to make the end of the locking portion 220 separate from the outer contour of the first rotating shaft 210, rotates the first handle 212 to a desired position, and screws the locking member 215 to make the end of the locking portion 220 abut against the outer contour of the first rotating shaft 210; by repeating the above-mentioned operations, the second handle 213 is rotated and locked at a position corresponding to the first handle 212, and the first handle 212 and the second handle 213 can be grasped to move the first jaw 201 and the second jaw 202 toward or away from each other.

The pliers of the present invention have been described in detail with reference to the preferred embodiments thereof, however, it should be understood that those skilled in the art may make modifications, alterations and adaptations to the present invention without departing from the spirit of the present invention. The present invention includes the above-described embodiments and any equivalents thereof.

Claims

1. The pliers comprise a first plier head and a second plier head, wherein the first plier head and the second plier head are arranged in a crossed manner, and the middle part of the second plier head is hinged with the middle part of the first plier head; the utility model discloses a pliers, including first tong head, second tong head, pliers have first tong head with the closed state that the second tong head contacted with the first tong head with the open state that the second tong head phase-separated, its characterized in that:

one end of the first forceps head, which is far away from the first jaw part, is connected with a first handle, and one end of the second forceps head, which is far away from the second jaw part, is connected with a second handle; a moving space is formed between the first handle and the second handle, and the first handle and the second handle can move towards or away from each other to switch the pliers between a closed state and an open state;

the first handle is rotatably connected with the first tong head, and the second handle is rotatably connected with the second tong head; and

and the joint of the first tong head and the first handle and the joint of the second tong head and the second handle are respectively provided with a locking piece, and the locking pieces are used for locking the first handle and the second handle at corresponding positions.

2. The pliers according to claim 1, wherein a first rotating shaft is fixedly disposed on an end of the first tong head away from the first jaw portion, and the first handle is rotatably connected to the first rotating shaft; and a second rotating shaft is fixedly arranged at one end of the second tong head, which is far away from the second tong opening, and the second handle is rotatably connected with the second rotating shaft.

3. The pliers according to claim 2, wherein said first pivot axis extends in a direction opposite to that of said second pivot axis, and said first handle and said second handle are rotatable in a plane perpendicular to said first jaw.

4. The pair of forceps according to claim 3, wherein the first rotating shaft and the second rotating shaft are threaded shafts, and the first handle and the second handle are respectively in threaded connection with the first rotating shaft and the second rotating shaft.

5. The pair of pliers according to claim 4 wherein said locking member is a wing nut, said wing nut is threaded onto said first and second shafts, and an end surface of said wing nut abuts against outer walls of said first and second handles.

6. The pliers according to claim 3, wherein said locking member includes a locking portion, said locking portion located at the junction of said first tong head and said first handle is in threaded connection with said first handle, and the end of said locking portion passes through said first handle and abuts against the outer contour of said first rotating shaft; the locking part on the locking part at the joint of the second tong head and the second handle is in threaded connection with the second handle, and the end part of the locking part penetrates through the second handle and is abutted to the outer contour of the second rotating shaft.

7. The pair of forceps according to claim 6, wherein the retaining member further includes a handle.

8. The pliers according to one of claims 1-7 wherein the space for movement defined between said first and second handles is compatible with said first and second jaws to enable said first and second handles to be rotated to a position parallel to said first and second jaws.

9. The pair of forceps according to claim 8, wherein each of the first jaw portion and the second jaw portion has a serrated portion and a cutting edge disposed thereon.