CN209754948U

CN209754948U - Slip-joint pliers with adjustable pliers handle length

Info

Publication number: CN209754948U
Application number: CN201822170172.XU
Authority: CN
Inventors: 申卫民; 王伟春; 张荣华
Original assignee: Lin'an Zhenfa Tools Co Ltd
Current assignee: Lin'an Zhenfa Tools Co Ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2019-12-10
Anticipated expiration: 2028-12-24

Abstract

The utility model discloses a slip joint pliers with adjustable pliers handle length, which comprises a first pliers handle and a second pliers handle, the first clamp handle and the second clamp handle are rotationally connected through a pin shaft, one end of the first clamp handle and one end of the second clamp handle are rotationally connected with a threaded rod, and the outer side of the threaded rod is welded with a telescopic clamp handle, the inner part of the telescopic clamp handle is connected with a sleeve through a sliding block in a sliding way, the inner surfaces of the upper clamp head and the lower clamp head are both provided with a clamping groove, and the surface of the clamping groove is welded with a convex block, the inner surface edges of the upper binding clip and the lower binding clip are symmetrically welded with sawtooth blocks, the slip-joint pliers are provided with the telescopic plier handles, so that the telescopic plier handles can be moved out of the first plier handles and the second plier handles under the rotating action of the threaded rod, thereby the whole length of extension pincers handle cooperates sheathed tube structure simultaneously, can play sealed protection's effect to the threaded rod, avoids the palm to contact the threaded rod and takes place the unexpected extruded phenomenon of finger.

Description

Slip-joint pliers with adjustable pliers handle length

Technical Field

The utility model relates to a slip-joint pliers technical field especially relates to a slip-joint pliers of pincers handle adjustable length.

Background

The slip-joint pliers are exactly like the slip-joint carps in appearance, and are characterized in that the opening width of the pliers mouth is provided with two adjusting positions, so that the pliers mouth can be enlarged or reduced in use, the pliers mouth is mainly used for clamping round parts, small nuts and small bolts can also replace wrenches, the cutting edge at the rear part of the pliers mouth can be used for cutting off metal wires, and the pliers mouth is more applied in the steam repair industry.

However, the length of the clamp handle of the existing slip-joint pliers is relatively fixed, and the length of the clamp handle cannot be adjusted in a telescopic mode, so that the holding area of an operator for the clamp handle is not large enough, objects at a long distance cannot be clamped, and the application range of the slip-joint pliers is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a slip joint pliers with adjustable pliers handle length.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pincers handle adjustable length slip-joint pliers, includes first pincers handle and second pincers handle, first pincers handle and second pincers handle rotate through the round pin axle and are connected, the one end of first pincers handle and second pincers handle is all rotated and is connected with the threaded rod, and the outside welding of threaded rod has flexible pincers handle, the inside of flexible pincers handle has the sleeve pipe through slider sliding connection, binding clip and lower binding clip have been welded respectively to the other end of first pincers handle and second pincers handle, the draw-in groove has all been seted up to the internal surface of going up binding clip and lower binding clip, and the skin weld of draw-in groove has the lug, the internal surface edge symmetrical welding of going up binding clip and lower binding clip has the sawtooth piece.

Preferably, the diameter of the sleeve is smaller than that of the telescopic clamp handle and larger than that of the threaded rod.

Preferably, the number of the sliding blocks is six, the six sliding blocks are distributed in an annular and equal-angle structure, and the six sliding blocks are in a semi-cylindrical structure.

Preferably, the surfaces of the upper tong head and the lower tong head are provided with four hexagonal clamping grooves, and the diameters of the four hexagonal clamping grooves are sequentially increased.

Preferably, the inner surface wall of the first forceps handle is hinged with a connecting rope, and the free end of the connecting rope is wound and connected with a hook.

Preferably, the inner surface wall of the second forceps handle is welded with a hanging ring, and the hanging ring is clamped and fixed with the hook.

preferably, three gear holes are formed in the surface of the lower tong head at equal intervals, and the diameters of the three gear holes are equal.

The utility model provides a slip-joint pliers of pincers handle adjustable length possesses following beneficial effect:

(1): this slip joint pliers is through the flexible pincers handle that sets up for flexible pincers handle can shift out from first pincers handle and second pincers handle inside under the rotation effect of threaded rod, thereby the whole length of extension pincers handle, and the area is got in holding of increase pincers handle, makes things convenient for operating personnel to the operation of slip joint pliers and uses, cooperates the sheathed tube structure simultaneously, can play the effect of sealed protection to the threaded rod, avoids the palm to contact the threaded rod and takes place the unexpected extruded phenomenon of finger.

(2): this slip joint pliers can select different centre gripping modes according to the shape specification of different objects through sawtooth piece, draw-in groove and the hexagonal draw-in groove that sets up, carries out stable centre gripping fixed operation to the object, and the effectual application range who enlarges slip joint pliers, and then satisfies the centre gripping operation demand of more different grade types.

Drawings

Fig. 1 is a schematic view of the overall structure of a slip joint pliers with adjustable pliers handle length provided by the utility model;

FIG. 2 is a schematic view of a partial structure of the upper and lower binding clip of the present invention;

Fig. 3 is a schematic structural view of the middle telescopic clamp handle of the present invention.

Illustration of the drawings:

1. A first plier handle; 2. hooking; 3. connecting ropes; 4. a pin shaft; 5. a lower binding clip; 51. a card slot; 52. a sawtooth block; 53. a hexagonal clamping groove; 54, a first electrode; a bump; 6. an upper binding clip; 7. a gear hole; 8. hanging a ring; 9. a second forceps handle; 10. a threaded rod; 11. a telescopic clamp handle; 111. a sleeve; 112. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

referring to fig. 1-3, a slip joint pliers with adjustable pliers handle length comprises a first pliers handle 1 and a second pliers handle 9, the first pliers handle 1 and the second pliers handle 9 are rotatably connected through a pin shaft 4, one end of the first pliers handle 1 and one end of the second pliers handle 9 are rotatably connected with a threaded rod 10, a telescopic pliers handle 11 is welded on the outer side of the threaded rod 10, a sleeve 111 is slidably connected inside the telescopic pliers handle 11 through a slider 112, an upper pliers head 6 and a lower pliers head 5 are respectively welded on the other end of the first pliers handle 1 and the other end of the second pliers handle 9, a clamping groove 51 is formed in the inner surfaces of the upper pliers head 6 and the lower pliers head 5, a convex block 54 is welded on the surface of the clamping groove 51, and sawtooth blocks 52 are symmetrically welded on the inner surfaces of the upper pliers head 6 and the lower pliers head 5.

The diameter of the sleeve 111 is smaller than that of the telescopic clamp handle 11 and larger than that of the threaded rod 10, six sliding blocks 112 are arranged, the six sliding blocks 112 are distributed in an annular and equal-angle structure, and the six sliders 112 are in a semi-cylindrical structure, so that when the sleeve 111 moves, the sleeve 111 is limited and protected during moving, the phenomenon that the sleeve 111 shakes and inclines left and right is prevented, the surfaces of the upper binding clip 6 and the lower binding clip 5 are provided with the hexagonal clamping grooves 53, the number of the hexagonal clamping grooves 53 is four, the diameters of the four hexagonal clamping grooves 53 are sequentially increased, the inner surface wall of the first forceps handle 1 is hinged with a connecting rope 3, the free end of the connecting rope 3 is connected with the hook 2 in a winding way, the inner surface wall of the second clamp handle 9 is welded with a hanging ring 8, and the hanging ring 8 is fixedly clamped with the hook 2, three gear holes 7 are arranged on the surface of the lower binding clip 5 at equal intervals, and the diameters of the three gear holes 7 are equal.

The working principle is as follows: when the adjustable pliers is used, a proper gear hole 7 is selected, the pin shaft 4 is inserted into the gear hole 7, the first pliers handle 1 and the second pliers handle 9 are rotatably connected, the first pliers handle 1 and the second pliers handle 9 are held by a palm and rotated to be opened, the upper pliers head 6 and the lower pliers head 5 are opened at the moment to be aligned with the surface of an object, the first pliers handle 1 and the second pliers handle 9 are reset and rotated again, the upper pliers head 6 and the lower pliers head 5 are closed, the sawtooth block 52 or the clamping groove 51 is selected to clamp and fix the object according to the shape type of the object, the hexagonal clamping groove 53 can be sleeved on the hexagonal nut to rotate, the hexagonal nut is mounted and dismounted, on the other hand, when the length of the pliers handle is insufficient, the adjustable pliers handle 11 is rotated to be moved out from the inside of the first pliers handle 1 and the second pliers handle 9, the whole length of the pliers handle is increased, the sleeve 111 is pulled to be moved out from the inside of the adjustable pliers handle 11 under the sliding of the sliding block 112, the exposed threaded rod 10 is protected in a sealing mode, the phenomenon that fingers are squeezed and injured is prevented, after the slip joint pliers are used, the hook 2 is fixedly connected with the hanging ring 8 in a clamping mode, therefore, the pliers head of the slip joint pliers is protected in a closed mode, and the slip joint pliers are used completely.

the foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pincers handle adjustable length slip-joint pliers, includes first pincers handle and second pincers handle, its characterized in that, first pincers handle and second pincers handle rotate through the round pin axle and are connected, the one end of first pincers handle and second pincers handle is all rotated and is connected with the threaded rod, and the outside welding of threaded rod has flexible pincers handle, there is the sleeve pipe inside of flexible pincers handle through slider sliding connection, binding clip and lower binding clip have been welded respectively to the other end of first pincers handle and second pincers handle, the draw-in groove has all been seted up to the internal surface of going up binding clip and lower binding clip, and the skin weld of draw-in groove has the lug, the interior surface edge symmetrical welding of going up binding clip and lower binding clip has the sawtooth piece.

2. A slip joint pliers as claimed in claim 1 in which the diameter of the sleeve is less than the diameter of the telescopic pliers shank and greater than the diameter of the threaded shank.

3. A slip joint pliers as claimed in claim 1 having adjustable length handles, wherein there are six slides, and the six slides are distributed in an annular and equiangular configuration and are semi-cylindrical.

4. The slip joint pliers with adjustable pliers handles according to claim 1, wherein the surfaces of the upper pliers head and the lower pliers head are provided with hexagonal clamping grooves, the number of the hexagonal clamping grooves is four, and the diameters of the four hexagonal clamping grooves are sequentially increased.

5. The slip joint pliers with adjustable pliers handles according to claim 1, wherein the inner surface wall of the first pliers handle is hinged with a connecting rope, and the free end of the connecting rope is wound with a hook.

6. The slip joint pliers with adjustable pliers handles according to claim 1, wherein a hanging ring is welded to the inner surface wall of the second pliers handle and is clamped and fixed with the hook.

7. The slip joint pliers with adjustable pliers handles according to claim 1, wherein the surface of the lower pliers head is provided with three shift holes at equal intervals, and the diameters of the three shift holes are equal.