Needle-nose pliers with adjustable plier handles

Abstract

The utility model discloses a pair of needle-nose pliers with adjustable plier handles, and relates to the technical field of needle-nose pliers. Comprising a connecting shaft, the outer wall of the connecting shaft is symmetrically and rotatably connected with a plier mouth, the outer wall of the plier mouth is fixedly connected with an adjusting assembly, the adjusting assembly is used for driving the plier mouth to conduct angle adjustment, and the opening and closing movement of the plier mouth is easy to operate through the design that a pressing assembly is arranged. The worm is rotated to drive the worm gear and the adjusting screw rod to rotate, so that the fixed rod slides in the sliding shell, the distance between the fixed rod and the plier mouth is adjusted, the torque of the needle-nose pliers can be adjusted, manpower can be saved, meanwhile, the friction sleeve on the outer wall of the fixed rod can increase the friction force during operation, and the operation stability is further improved; errors caused by hand slipping and the like are reduced, and the use comfort and the working efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pointed nose pliers, and particularly relates to pointed nose pliers with adjustable handles. BACKGROUND

[0002] In many fields such as machining, electronic equipment maintenance, and handicraft making, pointed nose pliers are a common hand tool. Traditional pointed nose pliers usually have fixed handle and mouth structures, and the mouth angle cannot be adjusted, which has many limitations in actual use.

[0003] In some narrow spaces or special angle working environments, the fixed angle mouth cannot accurately clamp objects, affecting work efficiency and quality, and the operator may need to use an uncomfortable posture or additional auxiliary tools to complete the task. Moreover, the traditional pointed nose pliers do not have an adjustable torque design, so the force required for operation cannot be flexibly adjusted for objects of different sizes and hardness, often resulting in laborious operation, hand fatigue after long-term use, and even hand injury or workpiece damage due to improper force.

[0004] These problems urgently need a new design of pointed nose pliers to solve them to meet diverse working scenarios and improve the convenience, comfort, and stability of operation. SUMMARY

[0005] To solve the technical problems of the prior art, the utility model adopts the technical scheme of pointed nose pliers with adjustable handles, which comprises a connecting shaft, the outer wall of the connecting shaft is symmetrically connected with a mouth, the outer wall of the mouth is fixedly connected with an adjusting assembly, the adjusting assembly is used to drive the mouth to adjust the angle, and further comprises a pressing assembly, the outer wall of the pressing assembly is fixedly connected with the outer wall of the adjusting assembly, the pressing assembly is used to drive the mouth to move, the pressing assembly comprises a sliding shell, the inner wall of the sliding shell is slidably connected with a fixed rod, the inner wall of the sliding shell is rotatably connected with an adjusting screw, the outer wall of the sliding shell is rotatably connected with a rotating rod, and the outer wall of the rotating rod is fixedly connected with a worm.

[0006] Preferably, the inner wall of the fixed rod is provided with a threaded groove, and the outer wall of the adjusting screw is threadedly connected with the inner wall of the threaded groove. By threadedly connecting the adjusting screw and the threaded groove, the fixed rod is slid on the inner wall of the sliding shell by rotating the adjusting screw, so that the distance of the fixed rod is adjusted, and the torque of the pointed nose pliers is adjusted.

[0007] Preferably, the outer wall of the adjusting screw is fixedly connected with a worm wheel, the worm wheel is engaged with the worm, and the outer wall of the fixed rod is fixedly connected with a friction sleeve. When the worm rotates on the rotating rod, the worm drives the worm wheel to rotate, thereby driving the adjusting screw fixedly connected therewith to rotate.

[0008] Preferably, the adjusting assembly comprises a connecting ring, the outer wall of the connecting ring is symmetrically provided with a fixing ring, the outer wall of the fixing ring is fixedly connected with a friction pad, the inner wall of the fixing ring is threadedly connected with a locking screw, and the outer wall of the locking screw is fixedly connected with a pushing ring. By rotating the locking screw, the locking screw drives the fixedly connected pushing ring to move, the pushing ring is separated from the contact of the connecting ring, the connecting ring can rotate without external pressure extrusion, and the fixedly connected fixing rod is rotated, so that the angle of the jaw is adjusted.

[0009] Preferably, the outer wall of the connecting ring is slidably connected with the outer wall of the friction pad, and the outer wall of the connecting ring is slidably connected with the outer wall of the pushing ring. The outer wall of the connecting ring is fixedly connected with the outer wall of the fixing rod, and the outer wall of the fixing ring is fixedly connected with the outer wall of the jaw.

[0010] The beneficial effects of the utility model are as follows:

[0011] 1. The utility model discloses a adjusting assembly, realize the convenient adjustment of jaw angle, and the structure makes when needing to change jaw angle, only need to rotate locking screw, can easily remove the limitation of connecting ring, rotate connecting ring and drive fixed rod to rotate, thereby realize the adjustment of jaw angle, thereby satisfy the diversification demand of jaw angle under different working scenes, improve the applicability of pointed nose pliers.

[0012] 2. The utility model discloses a press assembly design makes that the opening and closing movement of jaw is simple. Rotate the worm to drive the worm wheel and the adjusting screw to rotate, and then make the fixed rod slide in the sliding shell, thereby adjusting the distance between the fixed rod and the jaw, so that the torque of the pointed nose pliers can be adjusted, manpower can be saved, the friction sleeve on the outer wall of the fixed rod can increase the friction force during operation, further improve the stability of operation, reduce the mistakes caused by hand slipping and the like, and improve the comfort and working efficiency. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the structure schematic view of the press assembly of the utility model;

[0015] Figure 3 It is the structure schematic view of the adjusting assembly of the utility model;

[0016] Figure 4 It is the sectional view of the press assembly of the utility model;

[0017] Figure 5 It is the structure schematic view of the adjusting screw of the utility model.

[0018] In the figure: 1, connecting shaft; 2, tongs mouth; 3, adjusting assembly; 31, fixed ring; 32, locking screw; 33, friction pad; 34, connecting ring; 35, push ring; 4, pressing assembly; 41, sliding shell; 42, fixed rod; 43, adjusting screw; 44, threaded groove; 45, worm wheel; 46, worm; 47, rotating rod; 5, friction sleeve. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be further described below in conjunction with the drawings and specific embodiments. The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those of ordinary skill in the art to understand the present application in order to design various embodiments with various modifications suitable for specific purposes.

[0020] Embodiment:

[0021] Please refer to Figure 1 - Figure 5 The utility model provides a kind of technical scheme: a kind of adjustable tongs handle sharp-nosed pliers, comprising: connecting shaft 1, the outer wall of connecting shaft 1 is symmetrically rotationally connected with tongs mouth 2, the outer wall of tongs mouth 2 is fixedly connected with adjusting assembly 3, adjusting assembly 3 is used to drive tongs mouth 2 to carry out angle adjustment, further comprising: pressing assembly 4, the outer wall of pressing assembly 4 is fixedly connected with the outer wall of adjusting assembly 3, pressing assembly 4, pressing assembly 4 is used to drive tongs mouth 2 to move;Pressing assembly 4 includes sliding shell 41, the inner wall of sliding shell 41 is slidably connected with fixed rod 42, the inner wall of sliding shell 41 is rotationally connected with adjusting screw 43, the outer wall of sliding shell 41 is rotationally connected with rotating rod 47, the outer wall of rotating rod 47 is fixedly connected with worm 46.

[0022] The inner wall of fixed rod 42 is provided with threaded groove 44, and the outer wall of adjusting screw 43 is threadedly connected with the inner wall of threaded groove 44.Through the threaded connection of adjusting screw 43 and threaded groove 44, rotating adjusting screw 43 makes fixed rod 42 slide on the inner wall of sliding shell 41, to adjust the distance of fixed rod 42, adjust the torque of sharp-nosed pliers.

[0023] The outer wall of adjusting screw 43 is fixedly connected with worm wheel 45, and worm wheel 45 is engaged with worm 46, and the outer wall of fixed rod 42 is fixedly connected with friction sleeve 5.Worm 46 rotates on rotating rod 47, and worm 46 drives worm wheel 45 to rotate, so as to drive adjusting screw 43 fixedly connected therewith to rotate.

[0024] The adjusting assembly 3 comprises a connecting ring 34, the outer wall of the connecting ring 34 is symmetrically provided with a fixing ring 31, the outer wall of the fixing ring 31 is fixedly connected with a friction pad 33, the inner wall of the fixing ring 31 is threadedly connected with a locking screw 32, and the outer wall of the locking screw 32 is fixedly connected with a pushing ring 35. The outer wall of the connecting ring 34 is slidably connected with the outer wall of the friction pad 33, and the outer wall of the connecting ring 34 is slidably connected with the outer wall of the pushing ring 35. By rotating the locking screw 32, the locking screw 32 drives the fixedly connected pushing ring 35 to move, the pushing ring 35 is separated from the connecting ring 34, the connecting ring 34 can rotate without external pressure, and the fixedly connected fixing rod 42 is driven to rotate, so that the angle of the jaw 2 is adjusted.

[0025] The outer wall of the connecting ring 34 is fixedly connected with the outer wall of the fixing rod 42, and the outer wall of the fixing ring 31 is fixedly connected with the outer wall of the jaw 2.

[0026] Working principle:

[0027] In use, the adjusting assembly 3 is used to adjust the angle of the jaw 2. The fixing ring 31 in the adjusting assembly 3 is fixedly connected with the outer wall of the jaw 2, and the outer wall of the connecting ring 34 is fixedly connected with the outer wall of the fixing rod 42. When the angle of the jaw 2 needs to be adjusted, the locking screw 32 is rotated. Since the locking screw 32 is threadedly connected with the fixing ring 31, the locking screw 32 drives the fixedly connected pushing ring 35 to move, the pushing ring 35 is separated from the connecting ring 34, so that the connecting ring 34 can rotate without external pressure, and the fixedly connected fixing rod 42 is driven to rotate, so that the angle of the jaw 2 is adjusted. When the angle adjustment is completed, the locking screw 32 is rotated again, the connecting ring 34 is pressed by the pushing ring 35 to contact the friction pad 33, and the friction pad 33 can increase the friction between the connecting ring 34, so as to fix the adjusted angle.

[0028] By pressing the pressing assembly 4, the worm 46 is rotated, so that the worm 46 drives the worm gear 45 to rotate when the worm 46 rotates on the rotating rod 47, so as to drive the adjusting screw 43 fixedly connected with the worm gear 45 to rotate. The adjusting screw 43 is threadedly connected with the threaded groove 44, so that the fixing rod 42 slides on the inner wall of the sliding shell 41, the distance of the fixing rod 42 is adjusted, the fixing rod 42 slides, the jaw 2 is driven by the adjusting assembly 3 to open and close on the connecting shaft 1, the basic function of the needle-nose pliers is completed, and the friction sleeve 5 fixedly connected with the outer wall of the fixing rod 42 can increase the friction during operation to a certain extent, so that the operation is more stable.

[0029] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A pincer handle adjustable needle-nose pliers, characterized by, The utility model relates to a kind of angle-adjustable clamp, including: Connecting shaft (1), the outer wall of the connecting shaft (1) is symmetrically connected with pincers (2), the outer wall of the pincers (2) is fixedly connected with adjusting assembly (3), the adjusting assembly (3) is used to drive pincers (2) to carry out angle adjustment, further including: Pressing assembly (4), the outer wall of the pressing assembly (4) is fixedly connected with the outer wall of adjusting assembly (3), the pressing assembly (4), the pressing assembly (4) is used to drive pincers (2) to carry out movement; The pressing assembly (4) includes sliding shell (41), the inner wall of the sliding shell (41) is slidably connected with fixed rod (42), the inner wall of the sliding shell (41) is rotatably connected with adjusting screw rod (43), the outer wall of the sliding shell (41) is rotatably connected with rotating rod (47), the outer wall of the rotating rod (47) is fixedly connected with worm (46).

2. The adjustable handle locking combination pliers of claim 1 wherein: The inner wall of the fixed rod (42) is provided with screw groove (44), the outer wall of the adjusting screw rod (43) is threadedly connected with the inner wall of screw groove (44).

3. The adjustable handle locking combination pliers of claim 2 wherein: The outer wall of the adjusting screw rod (43) is fixedly connected with worm gear (45), the worm gear (45) is engaged with worm (46), the outer wall of the fixed rod (42) is fixedly connected with friction sleeve (5).

4. The adjustable handle locking combination pliers of claim 1 wherein: The adjusting assembly (3) includes connecting ring (34), the outer wall of the connecting ring (34) is symmetrically provided with fixed ring (31), the outer wall of the fixed ring (31) is fixedly connected with friction pad (33), the inner wall of the fixed ring (31) is threadedly connected with locking screw rod (32), the outer wall of the locking screw rod (32) is fixedly connected with push ring (35).

5. The adjustable handle locking combination pliers of claim 4 wherein: The outer wall of the connecting ring (34) is slidably connected with the outer wall of friction pad (33), the outer wall of the connecting ring (34) is slidably connected with the outer wall of push ring (35).

6. A locking pliers according to claim 5, wherein: The outer wall of the connecting ring (34) is fixedly connected with the outer wall of fixed rod (42), the outer wall of the fixed ring (31) is fixedly connected with the outer wall of pincers (2).

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