Locking plier hand tool convenient to use

Abstract

The utility model discloses a hand tool for locking pliers, which is convenient to use and comprises a connecting seat, a mounting cavity with a mounting function is arranged in the connecting seat, and connecting handles are fixedly connected to the right end of the connecting seat in a vertically symmetrical manner; an adjusting structure and a cutting structure are arranged on the left side of the mounting cavity, the adjusting structure comprises a connecting shaft, a worm gear, a worm and a tong head, and the cutting structure comprises a threaded rod, a mounting strip, a blade and a connecting rod; the right end of the connecting handle is integrally connected with a handheld part, the outer surface of the connecting handle is fixedly connected with a second protective sleeve, the outer wall of the handheld part is fixedly connected with a third protective sleeve, the inner wall of the handheld part is fixedly connected with a fourth protective sleeve, and the outer surface of the second protective sleeve is connected with first protruding blocks in an embedded mode at equal intervals. The locking plier hand tool convenient to use is convenient to use, looseness during clamping is prevented, the distance between the blades can be conveniently adjusted for wire stripping, and meanwhile protection is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to a forceps hand tool technology field, concretely is a kind of forceps hand tool convenient to use. BACKGROUND

[0002] Forceps are used to clamp workpieces or two separated workpieces, mainly used for clamping parts for riveting, welding, grinding and other processing, and its feature is that the jaw can be locked and generate a large clamping force, so that the clamped parts will not be loose.

[0003] However, the utility model patent with the authorization announcement No.CN218518456U discloses a threaded forceps, relates to clamping tools, solves the technical problem that the current forceps clamping process is low in efficiency and easy to scratch the surface of workpiece. Including upper lever, lower handle, lower lever, upper handle, screw rod, upper locking nut and lower locking nut;A long slot is formed in the screw rod, and the ends of the upper handle and the lower handle are movably inserted into the slot;The upper locking nut is screwed on one end of the screw rod, used to tighten the upper handle, to limit the side of the upper handle away from the lower handle;The lower locking nut is screwed on the other end of the screw rod, used to tighten the lower handle, to limit the side of the lower handle away from the upper handle. The utility model is simple and convenient to operate, without the need to adjust the adjusting bolt of the self-locking device multiple times during clamping, greatly improving the clamping efficiency and reducing the risk of scratching the surface of the workpiece.

[0004] The prior art in the above has the following defects: the clamping is adjusted by the parts such as screw rod, upper locking nut, lower locking nut, spring and movable rod, but it is troublesome to operate, and it is time-consuming and labor-consuming to strip the cable, which reduces work efficiency, and the lever and handle are directly exposed to the outside, which causes the lever and handle to rust and damage easily, and reduces work efficiency, therefore, we propose a forceps hand tool convenient to use to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a forceps hand tool convenient to use to solve the problems of the existing forceps hand tool in the above background technology, inconvenient to use, easy to loosen during clamping, inconvenient to adjust the distance between blades for stripping, and difficult to protect.

[0006] To achieve the above object, the utility model provides the following technical scheme: a forceps hand tool convenient to use, comprising: a connecting seat, an installation cavity for installation is formed in the inside of the connecting seat, and a connecting handle is fixedly connected to the right end of the connecting seat in a symmetrical manner up and down;

[0007] Further comprising:

[0008] The left side of the installation cavity is respectively provided with an adjusting structure and a cutting structure, wherein the adjusting structure comprises a connecting shaft, a worm wheel, a worm and a pincer head, and the cutting structure comprises a threaded rod, a mounting strip, a blade and a connecting rod;

[0009] The right end of the connecting handle is integrally connected with a handheld piece, the outer surface of the connecting handle is fixedly connected with a second protective sleeve, the outer wall of the handheld piece is fixedly connected with a third protective sleeve, and the inner wall of the handheld piece is fixedly connected with a fourth protective sleeve.

[0010] Preferably, the inside of the installation cavity is rotationally connected with a connecting shaft in a symmetrical manner, and the inner end of the connecting shaft is fixedly connected to the center of the worm wheel.

[0011] Preferably, the inner end of the worm wheel is meshingly connected with a worm, and the worm is rotationally connected to the connecting seat, wherein the outer end of the worm wheel is integrally connected with a pincer head.

[0012] Preferably, the pincer head is in a rotating structure on the connecting seat through the worm and the worm wheel.

[0013] Preferably, the left middle end of the pincer head is threadedly connected with a threaded rod, and the inner end of the threaded rod is rotationally connected to the right end of the mounting strip, and the left end of the mounting strip is fixedly connected with a connecting rod.

[0014] Preferably, the outer end of the connecting rod is nestedly connected to the inside of the middle end of the pincer head, and the inner wall of the mounting strip on the inner side of the connecting rod is provided with a blade.

[0015] Preferably, the blade is in a sliding structure on the left side of the connecting seat through the threaded rod and the connecting rod.

[0016] Preferably, the outer wall of the pincer head is fixedly connected with a first protective sleeve.

[0017] Preferably, the outer surface of the second protective sleeve is embeddedly connected with first protrusions at equal intervals, and the second protrusions on the right side of the second protective sleeve are embeddedly connected to the outer wall of the third protective sleeve at equal angles.

[0018] Compared with the prior art, the utility model discloses a convenient to use's pincers hand tool, convenient to use, prevent loose when clamping, and it is convenient to adjust the distance of the blade and strip wire, and it is easy to protect.

[0019] 1. The worm wheel and the worm are provided, and the structure design of the pincer head on the connecting seat through the worm and the worm wheel makes the worm mesh with the symmetrical worm wheels when rotating.

[0020] The symmetrical connecting shafts are rotated on the installation cavity until the left ends of the symmetrical pincer heads are attached to each other, so that the pincers are convenient to use and prevent loose when clamping.

[0021] 2. The threaded rod and the blade are provided, and the blade is close to each other through the threaded rod and the connecting rod arranged symmetrically on the left side of the connecting seat, so that the upper and lower two groups of threaded rods rotate;

[0022] The upper and lower two groups of blades are close to each other through the connecting rod arranged symmetrically, and the inner ends of the upper and lower two groups of blades cut the outer skin of the cable, so that the distance between the blades is adjusted to strip the cable;

[0023] 3. The second protective sleeve and the third protective sleeve are arranged, the outer surface of the connecting handle is fixedly connected with the second protective sleeve, and the outer wall of the clamp head is fixedly connected with the first protective sleeve, so that the first protective sleeve protects the clamp head, and the second protective sleeve, the third protective sleeve and the fourth protective sleeve respectively protect the connecting handle and the handheld piece, so that protection is easy. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a front view of the sectional structure schematic diagram of the utility model;

[0025] Figure 2 It is a top view of the structure schematic diagram of the utility model;

[0026] Figure 3 It is a left side view of the sectional structure schematic diagram of the utility model worm and connecting shaft connection;

[0027] Figure 4 It is a whole structure schematic diagram of the utility model installation strip and connecting rod connection;

[0028] Figure 5 It is a whole structure schematic diagram of the utility model connecting handle and handheld piece connection;

[0029] Figure 6 It is a structure schematic diagram of the utility model blade rising state.

[0030] In the drawing: 1, connecting seat; 2, installation cavity; 3, connecting shaft; 4, worm; 5, worm; 6, clamp head; 7, threaded rod; 8, installation strip; 9, blade; 10, connecting rod; 11, first protective sleeve; 12, connecting handle; 13, handheld piece; 14, second protective sleeve; 15, third protective sleeve; 16, fourth protective sleeve; 17, first protrusion; 18, second protrusion. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] Please refer to Figures 1-6 The utility model provides a technical scheme: a convenient to use's big force pliers hand tool, including connecting seat 1, installation cavity 2, connecting shaft 3, worm wheel 4, worm 5, pliers head 6, threaded rod 7, installation strip 8, blade 9, connecting rod 10, first protective sleeve 11, connecting handle 12, handheld piece 13, second protective sleeve 14, third protective sleeve 15, fourth protective sleeve 16, first lug 17 and second lug 18.

[0033] Embodiment 1: the existing adjustment fund is clamped by screw rod, upper pressing nut, lower pressing nut, spring, movable rod and other parts, but it is troublesome to operate, therefore this embodiment is adjusted by the following technical scheme, such as Figure 1 、 Figure 2 and Figure 3 Since the adjusting structure includes the connecting shaft 3, the worm wheel 4, the worm 5 and the pliers head 6, the connecting shaft 3 is rotationally connected inside the installation cavity 2 in a symmetrical manner, the inner end of the worm wheel 4 is engaged with the worm 5, and the pliers head 6 is in a rotating structure on the connecting seat 1 through the worm 5 and the worm wheel 4, therefore the left ends of the upper and lower two sets of pliers head 6 are respectively placed on the upper and lower sides of the workpiece, the worm 5 is rotated inside the installation cavity 2, the worm 5 is engaged with the upper and lower two sets of worm wheel 4 when rotating, the connecting shaft 3 arranged in a symmetrical manner inside the installation cavity 2 is rotated through the upper and lower two sets of worm wheel 4, the pliers head 6 arranged in a symmetrical manner is rotated towards the inner end when the worm wheel 4 rotates, until the left inner walls of the upper and lower two sets of pliers head 6 are closely attached to the upper and lower walls of the workpiece, thereby being convenient to use and preventing loosening when clamping;

[0034] Embodiment 2: the existing cable stripping is time-consuming and laborious, which reduces work efficiency, therefore this embodiment is adjusted by the following technical scheme, such as Figure 1 、 Figure 2 、 Figure 4 and Figure 6 Since the cutting structure includes the threaded rod 7, the installation strip 8, the blade 9 and the connecting rod 10, the threaded rod 7 is threadedly connected to the left middle end of the pliers head 6, the outer end of the connecting rod 10 is nested and connected inside the middle end of the pliers head 6, and the blade 9 is in a sliding structure on the left side of the connecting seat 1 through the threaded rod 7 and the connecting rod 10, therefore when stripping the wire, the upper and lower two sets of threaded rod 7 are respectively rotated, the inner end of the threaded rod 7 is rotated at the right end of the installation strip 8, the left end of the installation strip 8 is slid on the pliers head 6 through the connecting rod 10 arranged in a symmetrical manner, and the blade 9 arranged in a symmetrical manner is close to each other through the threaded rod 7 and the connecting rod 10, thereby cutting the outer skin of the cable and facilitating the adjustment of the distance between the blades 9 for stripping the wire;

[0035] Embodiment 3: the existing pliers rod and handle are directly exposed to the outside world, and water vapor contact causes the pliers rod and handle to be easily rusted and damaged, thereby reducing work efficiency, therefore this embodiment is adjusted by the following technical scheme, such asFigure 1 、 Figure 2 and Figure 5 Since the outer surface of the connecting handle 12 is fixedly connected with the second protective sleeve 14, the outer wall of the plier head 6 is fixedly connected with the first protective sleeve 11, the outer surface of the second protective sleeve 14 is inlaid with the first protrusions 17 at equal intervals, and the second protrusions 18 are inlaid on the outer wall of the third protective sleeve 15 at equal angles, the second protective sleeve 14 is wrapped around the outer surface of the connecting handle 12 to protect the connecting handle 12, the third protective sleeve 15 and the fourth protective sleeve 16 respectively protect the outer surface of the handheld piece 13, and the first protective sleeve 11 protects the outer surface of the plier head 6, so that the water vapor cannot contact the connecting handle 12, the handheld piece 13 and the plier head 6, when the hand is held on the handheld piece 13, the first protrusions 17 arranged at equal intervals and the second protrusions 18 arranged at equal angles can increase the friction, prevent the hand from slipping when carrying, and thus are easy to protect, and the electrical elements contained above are all prior art and will not be described in detail here.

[0036] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment all adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the above will not be described in detail.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A handy levering pliers hand tool, comprising: The connecting seat (1) is internally provided with an installation cavity (2) for installation, and a connecting handle (12) is fixedly connected to the right end of the connecting seat (1) and symmetrically arranged above and below. Characterized in that it further comprises: The left side of the installation cavity (2) is provided with an adjusting structure and a cutting structure, wherein the adjusting structure comprises a connecting shaft (3), a worm gear (4), a worm (5) and a jaw (6), and the cutting structure comprises a threaded rod (7), a mounting strip (8), a blade (9) and a connecting rod (10). The right end of the connecting handle (12) is integrally connected with a handheld piece (13), the outer surface of the connecting handle (12) is fixedly connected with a second protective sleeve (14), the outer wall of the handheld piece (13) is fixedly connected with a third protective sleeve (15), and the inner wall of the handheld piece (13) is fixedly connected with a fourth protective sleeve (16).

2. A handy levering pliers hand tool according to claim 1, characterized in that: The inside of the installation cavity (2) is rotatably connected with a connecting shaft (3) symmetrically above and below, and the inner end of the connecting shaft (3) is fixedly connected to the center of the worm gear (4).

3. A handy levering pliers hand tool according to claim 2, characterized in that: The inner end of the worm gear (4) is meshingly connected with a worm (5), and the worm (5) is rotatably connected to the connecting seat (1), wherein the outer end of the worm gear (4) is integrally connected with a jaw (6).

4. A handy levering pliers hand tool according to claim 3, characterized in that: The jaw (6) is in a rotary structure on the connecting seat (1) through the worm (5) and the worm gear (4).

5. A handy levering pliers hand tool according to claim 1, characterized in that: The left middle end of the jaw (6) is threadedly connected with a threaded rod (7), the inner end of the threaded rod (7) is rotatably connected to the right end of a mounting strip (8), and the left end of the mounting strip (8) is fixedly connected with a connecting rod (10).

6. A handy levering pliers hand tool according to claim 5, characterized in that: The outer end of the connecting rod (10) is nested in the inner end of the jaw (6), and the inner wall of the mounting strip (8) on the inner side of the connecting rod (10) is provided with a blade (9).

7. A handy levering pliers hand tool according to claim 6, characterized in that: The blade (9) is in a sliding structure on the left side of the connecting seat (1) through the threaded rod (7) and the connecting rod (10).

8. A handy levering pliers hand tool according to claim 3, characterized in that: The outer wall of the jaw (6) is fixedly connected with a first protective sleeve (11).

9. A handy levering pliers hand tool according to claim 1, characterized in that: The outer surface of the second protective sleeve (14) is embedded with first protrusions (17) at equal intervals, and the second protrusions (18) on the right side of the second protective sleeve (14) are embedded on the outer wall of the third protective sleeve (15) at equal angles.

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