A pincer tool

Abstract

This utility model discloses a pliers tool, relating to the field of tool technology, including a pliers head, a gear box, and pliers handles. The pliers head includes a first pliers head and a second pliers head, the tips of which form jaws. The tips of the first pliers head and the second pliers head are engaged by a toothed structure and supported by gear shafts one and two. The gear box has an arc-shaped guide groove, and the two ends of gear shaft one are slidably connected to the guide groove. When the second pliers head rotates around gear shaft two, carrying the first pliers head in the direction of the first pliers head, gear shaft one slides along the guide groove. The pliers handle includes a first pliers handle and a second pliers handle, the tips of which are engaged by a toothed structure and supported by gear shafts three and four. The toothed structure at the tip of the second pliers handle is connected to the toothed structure at the end of the second pliers head via a transmission gear set, which controls whether there is transmission between the pliers head and the pliers handle. The pliers tool of this utility model can adjust the angle of the pliers head, improve the practicality of the pliers tool, and reduce the cost of using the tool.

Description

Technical Field

[0001] This utility model relates to the field of tool technology, and in particular to a pliers tool. Background Technology

[0002] Pliers are a common processing tool in industry and daily life. They come in many varieties and have a wide range of uses, serving as indispensable items in various industrial operations for assembly, repair, and installation. They are hand tools used for clamping, cutting, and fixing workpieces. Due to their working nature, pliers typically have a similar structure, consisting of three parts: the head, the pin, and the handle. The basic working principle of pliers utilizes the lever principle, connecting two levers at a certain point in the middle with a pin, allowing the two ends to move relative to each other. The object can be clamped by manipulating the tail end. Although the working principle and external design of pliers are largely similar, their specific functions vary greatly, with each type having a clear purpose and ingenious design. Based on common functions, pliers can be divided into wire cutters, needle-nose pliers, diagonal pliers, wire strippers, pipe wrenches, and power cutters, among others.

[0003] When operating space is obstructed on both sides and it is necessary to enter laterally into one of the obstructions to clamp an object, the commonly used straight-head pliers are not suitable. Therefore, it is necessary to switch to pliers with angled heads so that the pliers can enter the narrow space. Common pliers can usually adjust the opening size of the jaws to accommodate objects of different sizes, but the tilt angle of the pliers head is usually not adjustable. You can only choose between pliers with straight heads and angled heads, which increases the cost of tools. Utility Model Content

[0004] The purpose of this utility model is to provide a pliers tool to solve the problems existing in the prior art, enabling the adjustment of the pliers head angle, improving the practicality of the pliers tool, and reducing the cost of using the tool.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a pliers tool, including a pliers head, a toothed box, and a pliers handle, wherein the toothed box is disposed between the pliers head and the pliers handle;

[0007] The pliers head includes pliers head one and pliers head two. The head ends of pliers head one and pliers head two form jaws. The ends of pliers head one and pliers head two are engaged by a tooth structure and are also connected to the gear box by gear shaft one and gear shaft two. An arc-shaped guide groove is provided on the gear box at a position opposite to gear shaft one. The two ends of gear shaft one are slidably connected in the guide groove. A shaft hole is provided on the gear box at a position opposite to gear shaft two. The two ends of gear shaft two are rotatably connected in the shaft hole. When pliers head two rotates with pliers head one in the direction of pliers head one around gear shaft two as the axis, gear shaft one slides along the guide groove.

[0008] The pliers handle includes pliers handle one and pliers handle two. The first ends of pliers handle one and pliers handle two are engaged by a toothed structure and are also connected to the gear box by gear shaft three and gear shaft four. The gear box is provided with shaft holes at positions opposite to gear shaft three and gear shaft four. The two ends of gear shaft three and gear shaft four are rotatably connected to the corresponding shaft holes. The toothed structure at the first end of pliers handle two is connected to the toothed structure at the end of pliers head two through a transmission gear set. The transmission gear set can control whether there is transmission between pliers head and pliers handle.

[0009] Preferably, the tooth structure at the end of the first and second pliers heads is an integral structure with the first and second pliers heads.

[0010] Preferably, the tooth structure at the head end of the first and second pliers is an integral structure with the first and second pliers.

[0011] Preferably, the front and rear ends of the gear box have openings for the movement of the pliers head and the pliers handle.

[0012] Preferably, the gear box includes a cover and a bottom, the guide grooves are formed opposite to each other on the cover and the bottom, and the two ends of the gear shaft are slidably connected to the guide grooves on the cover and the bottom, respectively.

[0013] Preferably, the three sets of shaft holes that rotatably connect the second, third, and fourth gear shafts are respectively arranged in pairs opposite to each other on the box cover and the box bottom.

[0014] Preferably, one end of gear shaft one and gear shaft two are respectively limited to the outside of the box cover by limiting blocks, and the other end of gear shaft one and gear shaft two are connected to the outside of the box bottom by connecting rods, and the connecting rods are rotatably connected to gear shaft one and gear shaft two through hinge holes.

[0015] Preferably, the two ends of the gear shaft three and gear shaft four are respectively limited to the outside of the box cover and the box bottom by limiting blocks.

[0016] Preferably, the transmission gear set includes gear one and gear two. Gear one meshes with the tooth structure at the end of the pliers two. A knob is connected to the top of gear one. The knob is rotatably connected to the knob hole on the box cover and extends out of the box cover. Gear one is connected to gear shaft five at the bottom. Gear shaft five is rotatably connected to the shaft hole on the bottom of the box, and its end located outside the bottom of the box is limited by a limiting block. A spring is sleeved on gear shaft five, and the two ends of the spring abut against gear one and the bottom of the box, respectively. Gear two meshes with the tooth structure at the head end of the pliers two. Gear two is rotatably connected to the shaft holes on the box cover and the bottom of the box, respectively, through gear shaft six. A support bushing is also sleeved on gear shaft six between gear two and the bottom of the box.

[0017] Preferably, the two ends of the gear shaft are respectively provided with limiting blocks located outside the bottom of the box and the box cover.

[0018] The present invention achieves the following technical advantages over the prior art:

[0019] The pliers tool of this utility model has a toothed transmission structure between the pliers head and the pliers handle, and a toothed box is provided for support, guidance and protection. It can realize the adjustment of the tilt angle of the pliers head, so that the pliers tool can be flexibly switched between straight pliers and angled pliers without affecting the opening and closing of the pliers jaws. It realizes two forms of pliers in one tool, which increases the functionality and practicality of the pliers tool and makes the pliers tool adaptable to a variety of working scenarios. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a frontal perspective view of the pliers tool of this utility model;

[0022] Figure 2 This is a three-dimensional structural diagram of the back of the pliers tool of this utility model;

[0023] Figure 3 This is a schematic diagram of the internal structure of the gear box in this utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the pliers tool head after the angle has been adjusted.

[0025] In the diagram: 1. Pliers head one; 2. Pliers head two; 3. Pliers jaws; 4. Gear box; 5. Pliers handle one; 6. Pliers handle two; 7. Gear shaft one; 8. Gear shaft two; 9. Guide groove; 10. Gear shaft three; 11. Gear shaft four; 12. Box cover; 13. Box bottom; 14. Connecting rod; 15. Gear one; 16. Gear two; 17. Knob; 18. Gear shaft five; 19. Spring; 20. Gear shaft six; 21. Support bushing. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] The purpose of this invention is to provide a pliers tool to solve the problems existing in the prior art.

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] The clamping tool in this embodiment, such as Figures 1-4 As shown, it includes a pliers head, a toothed box 4, and pliers handles, with the toothed box 4 disposed between the pliers head and the pliers handles;

[0030] The pliers head includes pliers head 1 and pliers head 2. The head ends of pliers head 1 and pliers head 2 form jaws 3. The ends of pliers head 1 and pliers head 2 mesh with each other through a tooth structure and are also connected to a gear box 4 through gear shaft 1 7 and gear shaft 2 8. An arc-shaped guide groove 9 is provided on the gear box 4 at a position opposite to gear shaft 1 7. Both ends of gear shaft 1 7 are slidably connected in the guide groove 9. A shaft hole is provided on the gear box 4 at a position opposite to gear shaft 2 8. Both ends of gear shaft 2 8 are rotatably connected in the shaft hole. When pliers head 2 2 rotates with pliers head 1 in the direction of pliers head 1 with gear shaft 2 8 as the axis, gear shaft 1 7 slides along the guide groove 9.

[0031] The pliers handle includes pliers handle 5 and pliers handle 6. The ends of pliers handle 5 and pliers handle 6 are engaged by a tooth structure and are also connected to a gear box 4 by a gear shaft 3 10 and a gear shaft 4 11. The gear box 4 has shaft holes at positions opposite to gear shaft 3 10 and gear shaft 4 11. The ends of gear shaft 3 10 and gear shaft 4 11 are rotatably connected to the corresponding shaft holes. The tooth structure at the end of pliers handle 6 is connected to the tooth structure at the end of pliers head 2 2 through a transmission gear set. The transmission gear set can control whether there is transmission between the pliers head and the pliers handle.

[0032] In this specific embodiment, the tooth structure at the end of pliers head 1 and pliers head 2 is an integral structure with pliers head 1 and pliers head 2. The tooth structure is directly formed at the end of the pliers head, which makes the structure more stable and enables meshing transmission between pliers head 1 and pliers head 2, so that the two can work together.

[0033] In this specific embodiment, the tooth structure at the head end of pliers 5 and 6 is an integral structure with pliers 5 and 6. The tooth structure is formed directly at the end of the pliers, which makes the structure more stable and enables meshing transmission between pliers 5 and 6, allowing them to work together.

[0034] In this specific embodiment, the front and rear ends of the tooth box 4 are respectively provided with openings for the movement of the pliers head and the pliers handle.

[0035] In this specific embodiment, the gear box 4 includes a cover 12 and a bottom 13. The cover 12 and the bottom 13 can be welded or bolted together. Guide grooves 9 are formed on the cover 12 and the bottom 13 respectively. The two ends of the gear shaft 1 7 are slidably connected to the guide grooves 9 on the cover 12 and the bottom 13 respectively. The top of the guide groove 9 is horizontally aligned with the shaft hole of the gear shaft 2 8 and extends downwards towards the gear shaft 2 8, eventually presenting an arc-shaped groove structure. The purpose of this structural design is to enable the gear shaft 1 7 to smoothly complete the follow-up action under the action of the guide groove 9 when the pliers 2 and pliers 1 rotate around the gear shaft 2 8 to adjust the tilt angle, thereby realizing the overall angle adjustment of the pliers handle.

[0036] In this specific embodiment, the three sets of shaft holes that rotatably connect the second gear shaft 8, the third gear shaft 10, and the fourth gear shaft 11 are respectively arranged in pairs opposite to each other on the box cover 12 and the box bottom 13.

[0037] In this specific embodiment, in order to prevent axial displacement of the gear shaft, one end of gear shaft 7 and gear shaft 8 are respectively limited to the outside of the box cover 12 by limiting blocks, and the other end of gear shaft 7 and gear shaft 8 are connected to the outside of the box bottom 13 by connecting rod 14. Connecting rod 14 is plate-shaped and is rotatably connected to gear shaft 7 and gear shaft 8 through hinge hole. Connecting rod 14 has linkage and limiting functions.

[0038] In this specific embodiment, in order to prevent axial displacement of the gear shaft, the two ends of gear shaft three 10 and gear shaft four 11 are respectively limited to the outside of the box cover 12 and the box bottom 13 by limiting blocks.

[0039] In this specific embodiment, the transmission gear set includes gear 15 and gear 26. Gear 15 meshes with the tooth structure at the end of plier head 2. A knob 17 is connected to the top of gear 15. The knob 17 is rotatably connected to the knob hole on the cover 12 and extends out of the cover 12. Gear shaft 5 18 is connected to the bottom of gear 15. Gear shaft 5 18 is rotatably connected to the shaft hole on the bottom of the box 13, and the end located outside the bottom of the box 13 is limited by a limiting block. A spring 19 is sleeved on gear shaft 5 18, and the two ends of the spring 19 abut against gear 15 and the bottom of the box 13 respectively. Gear 26 meshes with the tooth structure at the head of plier handle 26. Gear 21 is rotatably connected to the shaft holes on the cover 12 and the bottom of the box 13 respectively through gear shaft 6 20. A support sleeve 21 is also sleeved on gear shaft 6 20 between gear 216 and the bottom of the box 13. To prevent axial displacement of the gear shaft, limit blocks are also provided at both ends of the gear shaft 620, which are located outside the bottom of the box 13 and the cover of the box 12, respectively.

[0040] Working principle:

[0041] The pliers tool of this utility model can adjust the tilt angle of the pliers head, allowing the pliers tool to switch flexibly between straight pliers and angled pliers without affecting the opening and closing of the jaws 3. When using the pliers tool, if it encounters a narrow space and needs to enter the operating position laterally, the angle of the pliers head can be adjusted to be tilted or perpendicular to the pliers handle at 90 degrees, making it easier for the jaws 3 to reach the designated position. When adjusting the angle of the pliers, press down on knob 17 to disengage gear 15 and gear 16, preventing them from transmitting power. Then push pliers 2 to rotate around gear shaft 8. Since pliers 2 and pliers 1 are meshed by teeth, pliers 1 and pliers 2 move together. Gear shaft 7 of pliers 1 slides along guide groove 9. The position of gear shaft 7 in guide groove 9 varies depending on the angle. After adjusting the pliers angle, when the jaws 3 need to open and close to clamp objects, release knob 17. Knob 17 springs back under the action of spring 19, causing gear 15 and gear 16 to re-mesh. At this time, the opening and closing action of pliers handles 5 and 6 will be transmitted to pliers 1 and pliers 2 through gear transmission, thereby controlling the opening and closing action of jaws 3.

[0042] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A forceps tool characterized by: It includes a pliers head, a toothed box, and pliers handles, wherein the toothed box is disposed between the pliers head and the pliers handles; The pliers head includes pliers head one and pliers head two. The head ends of pliers head one and pliers head two form jaws. The ends of pliers head one and pliers head two are engaged by a tooth structure and are also connected to the gear box by gear shaft one and gear shaft two. An arc-shaped guide groove is provided on the gear box at a position opposite to gear shaft one. The two ends of gear shaft one are slidably connected in the guide groove. A shaft hole is provided on the gear box at a position opposite to gear shaft two. The two ends of gear shaft two are rotatably connected in the shaft hole. When pliers head two rotates with pliers head one in the direction of pliers head one around gear shaft two as the axis, gear shaft one slides along the guide groove. The pliers handle includes pliers handle one and pliers handle two. The first ends of pliers handle one and pliers handle two are engaged by a toothed structure and are also connected to the gear box by gear shaft three and gear shaft four. The gear box is provided with shaft holes at positions opposite to gear shaft three and gear shaft four. The two ends of gear shaft three and gear shaft four are rotatably connected to the corresponding shaft holes. The toothed structure at the first end of pliers handle two is connected to the toothed structure at the end of pliers head two through a transmission gear set. The transmission gear set can control whether there is transmission between pliers head and pliers handle.

2. The pliers tool according to claim 1, characterized in that: The tooth structure at the ends of the first and second pliers is an integral structure with the first and second pliers.

3. The pliers tool according to claim 1, characterized in that: The tooth structure at the head end of the first and second pliers is an integral structure with the first and second pliers.

4. The pliers tool according to claim 1, characterized in that: The front and rear ends of the gear box have openings for the movement of the pliers head and the pliers handle, respectively.

5. The pliers tool according to claim 1, characterized in that: The gear box includes a cover and a bottom, and the guide grooves are respectively opened on the cover and the bottom. The two ends of the gear shaft are slidably connected to the guide grooves on the cover and the bottom.

6. The pliers tool according to claim 5, characterized in that: The three sets of shaft holes that rotatably connect the second, third, and fourth gear shafts are respectively arranged in pairs opposite to each other on the box cover and the box bottom.

7. The pliers tool according to claim 5, characterized in that: One end of each of the first and second gear shafts is limited to the outside of the box cover by a limiting block, and the other end of each of the first and second gear shafts is connected to the outside of the box bottom by a connecting rod. The connecting rod is rotatably connected to the first and second gear shafts through a hinge hole.

8. The pliers tool according to claim 5, characterized in that: The two ends of gear shaft three and gear shaft four are respectively limited to the outside of the box cover and the box bottom by limiting blocks.

9. The pliers tool according to claim 5, characterized in that: The transmission gear set includes gear one and gear two. Gear one meshes with the tooth structure at the end of the pliers two. A knob is connected to the top of gear one. The knob is rotatably connected to the knob hole on the box cover and extends out of the box cover. Gear one is connected to gear shaft five at the bottom. Gear shaft five is rotatably connected to the shaft hole on the bottom of the box, and its end located outside the bottom of the box is limited by a limiting block. A spring is sleeved on gear shaft five, and the two ends of the spring abut against gear one and the bottom of the box, respectively. Gear two meshes with the tooth structure at the head end of the pliers two. Gear two is rotatably connected to the shaft holes on the box cover and the bottom of the box, respectively, through gear shaft six. A support bushing is also sleeved on gear shaft six between gear two and the bottom of the box.

10. The pliers tool according to claim 9, characterized in that: The two ends of the gear shaft are respectively provided with limiting blocks located outside the bottom of the box and the box cover.

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