Fast-action open-end pliers wrench with a swivel pin

Abstract

A fast open-end pliers wrench with a pivot pin, comprising a fixed pliers body (1), characterized in that in the fixed pliers body (1) arcuate slot teeth (10) are formed, a pivot pin body (4) is slidably connected in the arcuate slot teeth (10), a compression spring (6) is attached in the pivot pin body (4), a ball (7) is attached to one end of the compression spring (6), the ball (7) slides in the pivot pin body (4), a pin cap (5) is attached to the top of the pivot pin body (4), and a movable handle body is located on the outside of the pivot pin body (4) on one side of the ball (7). (2) is rotatably connected, the end of the ball (7) facing away from the compression spring (6) rests against the movable handle body (2), and at one end of the pivot pin body (4) pivot pin teeth (11) are formed which correspond to the arc-shaped groove teeth (10).

Description

Technical area

[0001] The present utility model relates to the technical field of pliers wrenches and in particular to a fast wide-mouth pliers wrench with a rotating pin. State of the art

[0002] In industrial sectors such as mechanical engineering, construction, and electrical engineering, it is frequently necessary to tighten or loosen large screws, nuts, or other pipe sections. Conventional open-end wrenches, with their limited jaw opening, often cannot meet the clamping requirements of large workpieces. Open-end wrenches, on the other hand, can open a wide jaw, adapting to the various dimensions of large workpieces and thus increasing efficiency in the assembly and maintenance of large equipment in industrial production.

[0003] A known, fast-action open-end wrench with a pivot pin typically consists of seven parts: a fixed jaw body, a movable handle, jaws, a pivot pin, a pin cap, a leaf spring, and a Phillips head screw. During use, the pivot pin must be repeatedly pressed to release the adjustment position and clamp the workpiece. This manual adjustment is time-consuming, inefficient, and cumbersome. Since workpieces vary in thickness and size, the optimal clamping position is not necessarily achieved with each adjustment, making it difficult to clamp the workpiece securely on the first attempt. Content of the utility model

[0004] The purpose of this utility model is to propose a fast-action open-end pliers wrench with a rotating pin to address the following problem in the prior art: Prior art pliers wrenches typically consist of seven parts (fixed jaw body, movable handle body, jaws, rotating pin, pin cap, leaf spring, and Phillips screw). During use, the rotating pin must be frequently pressed to release the adjustment position and clamp the workpiece. This manual adjustment is slow, inefficient, and cumbersome. Since workpieces vary in thickness and size, the optimal clamping position is not necessarily achieved with each adjustment, making it difficult to achieve a secure clamping position on the first attempt.

[0005] To achieve the aforementioned purpose, the following technical solution is used in the present utility model: A quick-action open-end wrench with a pivot pin comprises a fixed wrench body, wherein arcuate groove teeth are formed in the fixed wrench body, a pivot pin body is slidably connected in the arcuate groove teeth, a compression spring is attached in the pivot pin body, a ball is attached to one end of the compression spring, the ball slides in the pivot pin body, a pin cap is attached to the top of the pivot pin body, a movable handle body is rotatably connected to the outside of the pivot pin body on one side of the ball, the end of the ball facing away from the compression spring rests against the movable handle body, and pivot pin teeth are formed at one end of the pivot pin body which correspond to the arcuate groove teeth.

[0006] Preferably, a groove that corresponds to the arc-shaped slot teeth is formed in the fixed pliers body on one side of the arc-shaped slot teeth, and one end of the pivot pin teeth rests against the arc-shaped slot teeth.

[0007] Preferably, the angle of the groove is parallel to the angle of the arcuate groove teeth.

[0008] Preferably, a jaw is provided in the solid body of the pliers, a projection is attached to each end of the inner wall of the jaw, and the projection slides in the groove.

[0009] Preferably, one end of the jaw is rotatably connected to the pivot pin body, and a workpiece is clamped between the fixed pliers body and the jaw. Preferably, a handle arc, which corresponds to the pivot pin body and the ball, is formed in the movable handle body.

[0010] Compared to the prior art, the present utility model has the following advantages and positive effects: In the present utility model, the integrated fixed handle of the fixed plier body is held, the movable handle body is pulled upwards and rotated over the handle arc, thereby exerting a force on the compression spring and the ball. This disengages the pivot teeth from the arcuate groove teeth of the fixed plier body, and the jaw projection can be moved quickly along the grooves on both sides of the fixed plier body. During clamping, the fixed plier body is held, the movable handle body is pulled upwards and rotated over the handle arc, thereby exerting a force on the compression spring and the ball. This disengages the pivot teeth from the arcuate groove teeth of the fixed plier body and moves them backwards. Simultaneously, the jaw projection moves backwards along the double grooves on the fixed plier body, and the workpiece is positioned between the fixed plier body and the jaw.The movable handle is then pushed forward to raise the jaws to the position of the workpiece, which is then quickly clamped together with the fixed jaws. The components of this tool comprise seven parts: the fixed jaws, the movable handles, the jaws, the pivot pin, the pin cap, the compression spring, and the ball. The arc-shaped serrations in the fixed jaws are single-sided, allowing for smoother and more comfortable opening and closing. This enables rapid size adjustment and a wide range of applications. The tool is suitable for plumbing and electrical installations, as well as for industrial and mining operations.Compared to tools of the same specification, the improved version requires no frequent actuation of the pivot pin to perform the operation: the desired size can be set simply by holding and pulling, and the opening and clamping range is greater. Conventional quick-release pliers wrenches with straight slotted teeth have a narrow jaw opening, thus limiting the range of workpieces that can be clamped. In contrast, the design of the fixed pliers body's tooth slots as arc-shaped slots expands the range of clampable workpieces and improves adaptability. Description of the attached drawings Fig. Figure 1 is a front view of one jaw of the proposed quick-action large-jaw pliers wrench with a pivot pin in the open position; Fig. Figure 2 is a front view of the jaw of the proposed fast wide-mouth pliers wrench with a pivot pin in the closed position; Fig. Figure 3 is a sectional view of the internal structure of a fixed pliers body of the proposed fast wide-mouth pliers wrench with a pivot pin; Fig. Figure 4 is a sectional view of the internal structure of a movable handle body of the proposed quick-action large-open-end pliers wrench with a pivot pin; Fig. Figure 5 is a sectional view of the internal structure of the jaw of the proposed quick-release large-jaw pliers wrench with a pivot pin; and Fig. Figure 6 is a sectional view of the internal structure of a pin cap of the proposed quick-action open-end pliers wrench with a pivot pin.

[0011] Legend: 1-fixed pliers body; 2-movable handle body; 3-jaw; 4-pivot pin body; 5-pin cap; 6-compression spring; 7-ball; 8-projection; 9-groove; 10-arc-shaped groove teeth; 11-pivot pin teeth; 12-handle arc; and 13-workpiece. Examples of implementation

[0012] To better understand the aforementioned objectives, features, and advantages of the present utility model, the utility model will be explained in more detail below with reference to drawings and exemplary embodiments. It should be noted that the exemplary embodiments of the present utility model and the features of the exemplary embodiments can be combined without conflict.

[0013] The following description sets out numerous specific details to enable a comprehensive understanding of the present utility model. However, the present utility model can also be implemented in ways other than those described here, so it is not limited to the specific embodiments of the public description below. Embodiment 1, as in the Fig. As shown in Figures 1-6, the present utility model provides a quick-release open-end wrench with a pivot pin, comprising a fixed wrench body 1, wherein arcuate groove teeth 10 are formed in the fixed wrench body 1, a pivot pin body 4 is slidably connected in the arcuate groove teeth 10, a compression spring 6 is attached in the pivot pin body 4, a ball 7 is attached to one end of the compression spring 6, the ball 7 slides in the pivot pin body 4, a pin cap 5 is attached to the top of the pivot pin body 4, a movable handle body 2 is rotatably connected to the outside of the pivot pin body 4 on one side of the ball 7, the end of the ball 7 facing away from the compression spring 6 rests against the movable handle body 2, and pivot pin teeth 11 are formed at one end of the pivot pin body 4 which correspond to the arcuate groove teeth 10.

[0014] The effect achieved with the entire embodiment 1 is that the integrated fixed handle of the fixed plier body 1 is held, the movable handle body 2 is pulled upwards and rotated over the handle arc 12, thereby exerting a force on the compression spring 6 and the ball 7. This causes the pivot teeth 11 to separate from the arcuate groove teeth 10 of the fixed plier body 1, and the projection 8 of the jaw 3 can be moved rapidly along the grooves 9 on both sides of the fixed plier body 1. During clamping, the fixed plier body 1 is held, the movable handle body 2 is pulled upwards and rotated over the handle arc 12, thereby exerting a force on the compression spring 6 and the ball 7. This causes the pivot teeth 11 to separate from the arcuate groove teeth 10 of the fixed plier body 1 and move backwards.Simultaneously, the projection 8 of the jaw 3 moves backward along the double grooves 9 on the fixed jaw body 1, and the workpiece 13 is positioned between the fixed jaw body 1 and the jaw 3. The components of this device comprise seven parts: the fixed jaw body 1, the movable handle body 2, the jaw 3, the pivot pin body 4, the pin cap 5, the compression spring 6, and the ball 7. The arcuate groove teeth 10 in the fixed jaw body 1 are single-sided arc teeth, allowing for smoother and more convenient opening and closing. This enables rapid size adjustment and a wide range of applications. The device is suitable for plumbing and electrical installations, as well as for industrial and mining operations.Compared to tools of the same specification, the improved version according to the utility model does not require frequent actuation of the rotary pin to perform the operation: the desired size can be set by simply holding and pulling, and the opening and clamping range is larger.

[0015] Example 2, as shown in the Fig.As shown in Figures 1-6, a groove 9, corresponding to the arcuate groove teeth 10, is formed in the fixed plier body 1 on one side of the arcuate groove teeth 10, and one end of the pivot pin teeth 11 rests against the arcuate groove teeth 10. The angle of the groove 9 is parallel to the angle of the arcuate groove teeth 10. A jaw 3 is provided in the fixed plier body 1, a projection 8 is attached to each end of the inner wall of the jaw 3, and the projection 8 slides in the groove 9. One end of the jaw 3 is rotatably connected to the pivot pin body 4, and a workpiece 13 is clamped between the fixed plier body 1 and the jaw 3. A handle arc 12, corresponding to the pivot pin body 4 and the ball 7, is formed in the movable handle body 2.

[0016] The effect achieved with the entire embodiment 2 is that, during clamping, the fixed plier body 1 is held, the movable handle body 2 is pulled upwards and rotates over the handle arc 12, thereby exerting a force on the compression spring 6 and the ball 7. This causes the pivot pin teeth 11 to disengage from the arcuate groove teeth 10 of the fixed plier body 1 and move backwards. Simultaneously, the projection 8 of the jaw 3 moves backwards along the double grooves 9 on the fixed plier body 1, and the workpiece 13 is positioned between the fixed plier body 1 and the jaw 3. Subsequently, the movable handle body 2 is pushed forwards to move the jaw 3 upwards to the position of the workpiece 13, and the workpiece 13 is then quickly clamped together with the fixed plier body 1.

[0017] Operating principle: When using the device, the integrated fixed handle of the fixed plier body 1 is held, the movable handle body 2 is pulled upwards and rotated over the handle arc 12, thereby exerting a force on the compression spring 6 and the ball 7. This separates the pivot teeth 11 from the arcuate groove teeth 10 of the fixed plier body 1, and the projection 8 of the jaw 3 can be moved quickly along the grooves 9 on both sides of the fixed plier body 1. When clamping, the fixed plier body 1 is held, the movable handle body 2 is pulled upwards and rotated over the handle arc 12, thereby exerting a force on the compression spring 6 and the ball 7. This separates the pivot teeth 11 from the arcuate groove teeth 10 of the fixed plier body 1 and moves backwards.Simultaneously, the projection 8 of the jaw 3 moves backward along the double grooves 9 on the fixed jaw body 1, and the workpiece 13 is positioned between the fixed jaw body 1 and the jaw 3. The movable handle 2 is then pushed forward to raise the jaw 3 to the position of the workpiece 13, and the workpiece 13 is then quickly clamped together with the fixed jaw body 1. The components of this device comprise seven parts: the fixed jaw body 1, the movable handle 2, the jaw 3, the pivot pin body 4, the pin cap 5, the compression spring 6, and the ball 7. The arcuate groove teeth 10 in the fixed jaw body 1 are single-sided arc teeth, allowing for smoother and more convenient opening and closing. This enables rapid size adjustment and a wide range of applications. The device is suitable for water and electrical installations, as well as for industrial and mining operations.Compared to tools of the same specification, the improved version according to the utility model does not require frequent actuation of the rotary pin to perform the operation: the desired size can be set by simply holding and pulling, and the opening and clamping range is larger.

[0018] The above merely represents a preferred embodiment of the present utility model and is not intended to limit it in any other way. Any person skilled in the art with relevant expertise may use the technical content disclosed above to modify or transform it and apply it as an equivalent embodiment with equivalent modifications in other fields. However, any simple modification, equivalent change, or transformation of the above embodiments, which is carried out without deviating from the content of the technical solution of the present utility model and on the basis of its technical essence, remains within the scope of protection of the technical solution of the present utility model.

Claims

[1] A fast open-end pliers wrench with a pivot pin, comprising a fixed pliers body (1), characterized by , that in the solid body of the pliers (1) arcuate slot teeth (10) are formed, a pivot pin body (4) is slidably connected in the arcuate slot teeth (10), a compression spring (6) is attached in the pivot pin body (4), a ball (7) is attached to one end of the compression spring (6), the ball (7) slides in the pivot pin body (4), a pin cap (5) is attached to the top of the pivot pin body (4), and a movable handle body is located on the outside of the pivot pin body (4) on one side of the ball (7). (2) is rotatably connected, the end of the ball (7) facing away from the compression spring (6) rests against the movable handle body (2), and at one end of the pivot pin body (4) pivot pin teeth (11) are formed which correspond to the arc-shaped groove teeth (10). [2] The fast open-end pliers wrench with a pivot pin according to claim 1, characterized by , that in the fixed pliers body (1) on one side of the arcuate slot teeth (10) a groove (9) is formed which corresponds to the arcuate slot teeth (10), and one end of the pivot pin teeth (11) rests against the arcuate slot teeth (10). [3] The fast open-end pliers wrench with a pivot pin according to claim 2, characterized by , that the angle of the groove (9) is parallel to the angle of the arcuate groove teeth (10). [4] The fast open-end pliers wrench with a pivot pin according to claim 1, characterized by , that a jaw (3) is provided in the fixed pliers body (1), a projection (8) is attached to each of the ends of the inner wall of the jaw (3), and the projection (8) slides in the groove (9). [5] The fast open-end pliers wrench with a pivot pin according to claim 4, characterized by, that one end of the jaw (3) is rotatably connected to the pivot body (4), and a workpiece (13) is clamped between the fixed pliers body (1) and the jaw (3). [6] The fast open-end pliers wrench with a pivot pin according to claim 4, characterized by , that in the movable handle body (2) a handle arc (12) is formed which corresponds to the pivot pin body (4) and the ball (7).

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