Multifunctional pliers device suitable for engineering

Abstract

The utility model discloses a multifunctional pliers device suitable for engineering, and aims at solving the problems that a traditional tool is single in function and inconvenient to carry. Comprising a first plier body and a second plier body hinged to the first plier body, a first plier head is fixed to the first plier body, and a second plier head is slidably arranged on the second plier body through an adjusting device. The clamp spring clamp ends are arranged on the two clamp heads and fixed through the installation structure, the installation structure comprises an installation block and an installation frame which are connected through a bolt, and a sliding limiting structure is arranged to ensure stability. An adjusting device of the second plier head is composed of a mounting box, a worm and a threaded sliding rod, flexible adjustment of the jaw distance is achieved by rotating the worm, and a limiting shaft is arranged in the threaded sliding rod so that stable sliding can be achieved. By integrating the functions of snap spring mounting, clamping and cutting and combining the design of the adjustable jaw, operation is easy and convenient, adaptability is high, the engineering construction efficiency is remarkably improved, the risk of tool replacement and loss is reduced, and high practical value is achieved.

Description

A multi-functional pliers device adapted for engineering Technical Field

[0001] This utility model relates to a multi-functional pliers device adapted for engineering, belonging to the field of engineering tool technology. Background Technology

[0002] In engineering construction and machinery maintenance, commonly used tools such as pliers, snap ring pliers, and wrenches specifically designed for angle grinders and polishers each have specific functions. For example, the jaws of pliers can be used to tighten or loosen nuts, and the blades at the rear can cut the rubber or plastic insulation of soft wires, or cut wires and iron wires, but their function is limited to these and cannot be extended to other uses. Snap ring pliers are specifically used to remove or install locating snap rings that are stuck in holes or on shafts to prevent axial movement of machine parts. Wrenches specifically designed for angle grinders and polishers can only be used to replace grinding wheels. These tools have single functions and limited application scenarios.

[0003] However, in actual engineering operations, the above three functions often need to be used frequently in the same work scenario. Since each tool exists independently, operators need to carry multiple tools, which is not only inconvenient but also reduces work efficiency due to frequent tool changes. Furthermore, these small tools are easily lost on the construction site, causing additional problems. Therefore, there is an urgent need for a tool that can integrate multiple functions to improve the convenience and efficiency of engineering operations. Summary of the Invention

[0004] The purpose of this invention is to provide a multi-functional pliers device suitable for engineering applications, which can effectively solve the above-mentioned problems.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] It includes a first clamp body and a second clamp body hinged to the first clamp body; a first clamp head is fixed on the first clamp body, and a second clamp head is slidably disposed on the second clamp body; and a snap ring clamp end is provided on the first clamp head and the second clamp head respectively.

[0007] Furthermore: the snap ring clamp end is fixed to the upper end face of the first clamp head and the second clamp head by a mounting structure; the mounting structure includes a mounting block disposed on the upper end face of the first clamp head and the second clamp head, and a mounting frame fixed to the lower end of the snap ring clamp end; the mounting block and the mounting frame are fixed together by bolts.

[0008] Furthermore, a sliding limiting structure is provided between the mounting frame and the mounting block. The sliding limiting structure includes a limiting strip disposed at the front and rear ends of the mounting block and a limiting groove disposed in the mounting frame. The limiting strip is slidably disposed in the limiting groove. A first mounting hole penetrating the front and rear ends of the mounting block is provided at the middle part of the mounting block, and a second mounting hole with the same diameter as the first mounting hole is provided on the front and rear frame plates of the mounting frame.

[0009] Furthermore: the second clamp head is slidably mounted on the second clamp body via an adjustment device; the adjustment device includes a mounting box mounted on the second clamp body and a threaded sliding rod mounted at the lower end of the second clamp head; a worm gear is rotatably mounted inside the mounting box, and the worm gear is threadedly connected to the threaded sliding rod.

[0010] Furthermore: the upper end of the threaded sliding rod is fixed to the second clamp head by a limiting plate, and a sliding groove for the limiting plate to slide is provided on one side of the mounting box, as well as a connecting hole for the threaded sliding rod to enter the mounting box.

[0011] Furthermore: the threaded sliding rod is hollow inside and has a slidable limit shaft, one end of which is fixed to the inner wall of the mounting box; both ends of the worm gear are rotatably disposed on the inner wall of the mounting box.

[0012] Furthermore, both the first and second pliers are provided with a planar gripping area, a round tube gripping area, and a cutting area.

[0013] The beneficial effects are:

[0014] This embodiment integrates a snap ring clamp end, a flat gripping area, a round tube gripping area, and a cutting area onto a single tool, combined with an adjustable second clamp head design, enabling multiple functions to work together. Compared to traditional tools, this device has a compact structure, is easy to operate, and can significantly reduce the frequency of tool changes during construction, thereby improving work efficiency. At the same time, the overall design is easy to carry, reducing the risk of losing small tools on the construction site, and has high practicality and promotional value. Attached Figure Description

[0015] For ease of explanation, this utility model is described in detail below with reference to the specific embodiments and accompanying drawings.

[0016] Figure 1 is a schematic diagram of the structure of this utility model;

[0017] Figure 2 is a schematic diagram of the internal structure of the mounting box of this utility model;

[0018] Figure 3 is a magnified view of a portion of Figure 2;

[0019] Figure 4 is an exploded view of this utility model;

[0020] Figure 5 is an enlarged view of point A in Figure 4;

[0021] Figure 6 is an enlarged view of point B in Figure 4;

[0022] Figure 7 is an enlarged view of point C in Figure 4.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. First clamp body; 2. Second clamp body; 3. First clamp head; 4. Second clamp head; 5. Snap ring clamp end; 6. Mounting structure; 61. Mounting block; 62. Mounting frame; 63. Bolt; 64. Sliding limiting structure; 641. Limiting strip; 642. Limiting groove; 65. First mounting hole; 7. Adjusting device; 71. Mounting box; 72. Threaded sliding rod; 73. Worm gear; 74. Limiting plate; 75. Slide groove; 76. Connecting hole; 77. Limiting shaft; 8. Planar clamping area; 9. Round tube clamping area; 10. Cutting area. Detailed Implementation

[0025] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0026] It should be noted that, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms “first,” “second,” “third,” etc., are used for descriptive purposes only and should not be interpreted as indicating or implying relative importance.

[0028] Furthermore, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Referring to Figures 1-7, this invention provides an embodiment of a multi-functional pair of pliers adapted for engineering applications.

[0030] As shown in Figure 1, the present invention provides a multi-functional pliers device suitable for engineering, comprising a first pliers body 1 and a second pliers body 2, wherein the first pliers body 1 and the second pliers body 2 are hinged together by a hinge pin (not shown in the figure) to form an opening and closing structure similar to pliers, which is convenient for hand operation.

[0031] A first clamping head 3 is fixedly mounted on the top of the first clamping body 1, while a second clamping head 4 is slidably mounted on the top of the second clamping body 2. The first clamping head 3 and the second clamping head 4 are positioned opposite each other, together forming a working area for clamping or cutting materials. Simultaneously, the sliding condition of the second clamping head 4 allows it to move relative to the first clamping head 3, adjusting the area of ​​the working region.

[0032] As shown in Figures 4, 5, 6, and 7, the upper ends of the first jaw 3 and the second jaw 4 are respectively equipped with snap ring clamping ends 5. Simultaneously, the clamping surfaces of the first jaw 3 and the second jaw 4 are respectively machined with a planar clamping area 8, a round tube clamping area 9, and a cutting area 10. The planar clamping area 8, the round tube clamping area 9, and the cutting area 10 are areas that are present in all pliers.

[0033] The snap ring clamp end 5 is fixed to the upper end face of the first clamp head 3 and the second clamp head 4 by the mounting structure 6. Specifically, the mounting structure 6 includes two parts: a mounting block 61 and a mounting frame 62. The mounting block 61 is fixed to the upper end face of the first clamp head 3 and the second clamp head 4 by welding or integral molding.

[0034] The mounting frame 62 is a U-shaped frame structure, fixed to the lower end of the snap ring clamp end 5 by welding or threaded connection, forming an integral part with the snap ring clamp end 5. The mounting block 61 is fixedly connected to the mounting frame 62 by bolts 63. To facilitate the installation of bolts 63, a first mounting hole 65 is machined through the front and rear ends in the middle part of the mounting block 61, and a second mounting hole (not shown in the figure) with the same diameter as the first mounting hole 65 is machined on the front and rear frame plates of the mounting frame 62. After the bolts 63 pass through the first mounting hole 65 and the second mounting hole, they are tightened with nuts to achieve a stable connection between the mounting frame 62 and the mounting block 61.

[0035] To further improve installation stability and alignment accuracy, a sliding limiting structure 64 is provided between the mounting frame 62 and the mounting block 61. The sliding limiting structure 64 includes limiting strips 641 located at the front and rear ends of the mounting block 61, and a limiting groove 642 located inside the mounting frame 62. The limiting strips 641 are elongated protrusions extending along the front-rear direction of the mounting block 61; the limiting groove 642 is a recess matching the shape of the limiting strips 641, machined along the inner wall of the mounting frame 62. During installation, the limiting strips 641 slide into the limiting grooves 642, ensuring that the mounting frame 62 can only move in the front-rear direction, preventing misalignment during installation. After the bolts 63 are tightened, the cooperation between the limiting strips 641 and the limiting grooves 642 further restricts the degree of freedom of the mounting frame 62, allowing the snap ring clamp end 5 to withstand greater operating force without loosening.

[0036] Adjustment device for the second clamp head:

[0037] As shown in Figures 2 and 3, the second jaw 4 is slidably mounted on the second jaw body 2 via an adjusting device 7 to achieve adjustable jaw spacing. The adjusting device 7 includes a mounting box 71, a threaded sliding rod 72, and a worm gear 73. The mounting box 71 is an irregularly shaped hollow structure, welded and fixed to the second jaw body 2, and its interior forms a cavity to accommodate the adjusting mechanism.

[0038] The lower part of the threaded sliding rod 72 is a cylindrical rod with external threads machined on its surface. Its upper end is fixedly connected to the second clamp head 4 via a limiting plate 74. The limiting plate 74 is a rectangular plate structure, which is welded to the lower end of the second clamp head 4 to ensure a rigid connection between the two.

[0039] The mounting box 71 has a sliding groove 75 and a connecting hole 76 on one side. The sliding groove 75 is a rectangular opening extending along the length of the mounting box 71, allowing the limiting plate 74 to slide within it. The connecting hole 76 is located below the sliding groove 75 and communicates with the interior of the mounting box 71, allowing the threaded sliding rod 72 to pass through and enter the mounting box 71. A worm gear 73 is rotatably mounted inside the mounting box 71. The axis of the worm gear 73 is arranged along the length of the mounting box 71, and its two ends are supported on the inner wall of the mounting box 71 by bearings.

[0040] The thread of the worm 73 engages with the external thread of the threaded sliding rod 72 to form a threaded transmission mechanism. For ease of operation, a portion of the worm 73 is exposed outside the mounting box 71, allowing the user to rotate the worm 73 by finger.

[0041] To ensure stable sliding direction of the threaded sliding rod 72, it features a hollow internal design and is fitted with a cylindrical limiting shaft 77. One end of the limiting shaft 77 is fixed to the inner wall of the mounting box 71 by welding or threaded connection, while the other end extends into the hollow cavity of the threaded sliding rod 72, slidingly engaging with the inner wall of the threaded sliding rod 72. When the worm gear 73 rotates, the threaded sliding rod 72 slides along the limiting shaft 77 under the action of the thread, causing the second jaw 4 to achieve lateral displacement on the second jaw body 2, thereby adjusting the distance between the first jaw 3 and the second jaw 4.

[0042] Functional area design

[0043] The clamping surfaces of the first jaw 3 and the second jaw 4 are designed with multiple functional areas to meet different engineering needs. Specifically, the planar clamping area 8 is located in the middle of the clamping surface and has a flat, toothed surface, suitable for clamping nuts or flat workpieces; the round tube clamping area 9 is located near the hinge end and has a semi-circular groove or diamond-shaped groove structure, suitable for clamping cylindrical workpieces such as round tubes or wires; the cutting area 10 is located near the front end of the jaws and has a sharp cutting edge structure, capable of cutting soft wires or thin iron wires. These areas are formed through precision machining to ensure clamping force and cutting effect.

[0044] This embodiment integrates a snap ring clamp end, a flat gripping area, a round tube gripping area, and a cutting area onto a single tool, combined with an adjustable second clamp head design, enabling multiple functions to work together. Compared to traditional tools, this device has a compact structure, is easy to operate, and can significantly reduce the frequency of tool changes during construction, thereby improving work efficiency. At the same time, the overall design is easy to carry, reducing the risk of losing small tools on the construction site, and has high practicality and promotional value.

[0045] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A multi-functional pliers device adapted for engineering applications, characterized in that: The device includes a first clamp body (1) and a second clamp body (2) hinged to the first clamp body (1); a first clamp head (3) is fixed on the first clamp body (1), and a second clamp head (4) is slidably disposed on the second clamp body (2); and a snap ring clamp end (5) is respectively disposed on the first clamp head (3) and the second clamp head (4); the snap ring clamp end (5) is fixed to the upper end face of the first clamp head (3) and the second clamp head (4) by a mounting structure (6); the mounting structure (6) includes a mounting block (61) disposed on the upper end face of the first clamp head (3) and the second clamp head (4), and a mounting frame (62) fixed to the lower end of the snap ring clamp end (5); the mounting block (61) and the mounting frame (62) are fixed together by bolts (63); the first clamp head (3) and the second clamp head (4) are each provided with a planar gripping area (8), a round tube gripping area (9) and a cutting area (10).

2. The multi-functional pliers device adapted for engineering as described in claim 1, characterized in that: A sliding limiting structure (64) is also provided between the mounting frame (62) and the mounting block (61). The sliding limiting structure (64) includes a limiting strip (641) provided at the front and rear ends of the mounting block (61) and a limiting groove (642) provided in the mounting frame (62). The limiting strip (641) is slidably disposed in the limiting groove (642). A first mounting hole (65) penetrating the front and rear ends of the mounting block (61) is provided at the middle part of the mounting block (61). A second mounting hole with the same diameter as the first mounting hole (65) is provided on the front and rear frame plates of the mounting frame (62).

3. The multi-functional pliers device adapted for engineering use according to claim 2, characterized in that: The second clamp head (4) is slidably mounted on the second clamp body (2) via an adjusting device (7); the adjusting device (7) includes a mounting box (71) mounted on the second clamp body (2) and a threaded sliding rod (72) mounted at the lower end of the second clamp head (4); a worm gear (73) is rotatably mounted inside the mounting box (71), and the worm gear (73) is threadedly connected to the threaded sliding rod (72).

4. The multi-functional pliers device adapted for engineering use according to claim 3, characterized in that: The upper end of the threaded sliding rod (72) is fixed to the second pliers (4) by a limiting plate (74), and a sliding groove (75) for the limiting plate (74) to slide is provided on one side of the mounting box (71), as well as a connecting hole (76) for the threaded sliding rod (72) to enter the mounting box (71).

5. The multi-functional pliers device adapted for engineering as described in claim 4, characterized in that: The threaded sliding rod (72) is hollow inside and has a slidable limit shaft (77). One end of the limit shaft (77) is fixed to the inner wall of the mounting box (71). Both ends of the worm gear (73) are rotatably disposed on the inner wall of the mounting box (71).

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