Pinch tool

Abstract

The utility model discloses a pinching tool which comprises an L-shaped guide rail, a baffle is arranged at the front end of the L-shaped guide rail, a clamping handle is movably connected to the L-shaped guide rail, the other end of the clamping handle is movably connected with a threaded rod, a connecting part is arranged at the head of the threaded rod, a top plate is arranged on the upper portion of the connecting part, a V-shaped block is arranged on the top plate, and a base body of the V-shaped block is cylindrical. A triangular groove is formed in the center of the upper portion of the V-shaped block.

Description

Technical Field

[0001] The utility model relates to the field of hardware tools, in particular to a pinching tool. Background Art

[0002] Pinching tools are often used in processing such as grinding, and are often used to pinch together tools of various shapes.

[0003] Especially when the pinching tool is used to pinch a round tube or a nut-shaped workpiece, the pinching tool often slips because the pinching opening of the pinching tool is too flat. Therefore, there is an urgent need for a pinching tool that can adapt to the round tube or the nut-shaped workpiece and is not easy to slip. Summary of the invention

[0004] In order to solve the above technical problems, the utility model discloses a pinching tool, including an L-shaped guide rail, a baffle plate is arranged at the front end of the L-shaped guide rail, a clamping handle is movably connected to the L-shaped guide rail, the other end of the clamping handle is movably connected to a screw, a connecting part is arranged at the head of the screw, the upper part of the connecting part is a top plate, a V-shaped block is arranged on the top plate, the V-shaped block base is cylindrical, and a triangular groove is arranged at the upper center of the V-shaped block.

[0005] Furthermore, a micro square groove is arranged at the bottom of the triangular groove.

[0006] Furthermore, the head of the screw is provided with a spherical connecting portion.

[0007] Furthermore, the top of the connecting part is the top plate, the lower part of the connecting part is provided with a spherical movable hole, and the spherical connecting part is movably arranged in the spherical movable hole.

[0008] Furthermore, a cylindrical hole is provided at the lower part of the V-shaped block, and an annular groove is provided on the side wall of the cylindrical hole. The annular groove and the hole are matched with a retaining ring to fix the V-shaped block on the top plate.

[0009] Further, the connecting portion is a first connecting portion, and the first connecting portion includes the top plate and a conical base;

[0010] The upper part of the first connecting part is a top plate, the lower end of the top plate is provided with a conical base, the upper surface diameter of the conical base is smaller than the diameter of the top plate, and the lower bottom surface of the conical base is provided with a spherical movable hole;

[0011] The cylindrical hole is sleeved on the top plate, and the hole retaining ring is placed inside the annular groove to fix the top plate in the cylindrical hole.

[0012] Furthermore, a second spherical hole is provided at the bottom surface of the lower part of the V-shaped block, a threaded connecting column is provided on the outer side of the lower part of the V-shaped block, a nut is sleeved on the outer side of the connecting column, and the nut fixes the V-shaped block on the top plate.

[0013] Further, the connecting part is a second connecting part, and the second connecting part includes the top plate, the arc surface base and the extension column;

[0014] The upper part of the second connecting part is a top plate, the top plate is located on the upper surface of the arc base, the lower bottom surface of the arc base is provided with an extension column with a diameter smaller than the diameter of the lower bottom surface of the arc base, and the spherical activity hole is located at the lower bottom surface of the extension column;

[0015] The top plate fits with the second spherical hole, and the top plate and the arc surface base are embedded in the second spherical hole;

[0016] A clamping ring protruding toward the center of the nut is provided at the lower edge of the nut, and the clamping ring clamps the lower bottom surface of the arc surface base to fix the arc surface base and the top plate inside the second spherical hole.

[0017] Furthermore, a clamping handle hole is provided at one end of the clamping handle, and the L-shaped guide rail movably passes through the clamping handle hole; a screw hole is provided at the other end of the clamping handle, and the screw rod movably passes through the screw hole.

[0018] Beneficial Effects

[0019] By arranging a V-block on the top plate of the pincher and providing a triangular groove on the V-block, a round tube or nut-shaped workpiece can be well fitted and not easily slipped off. A micro square groove is provided at the bottom of the triangular groove, which can better fit the nut angles of different sizes of the nut-shaped workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a pinching tool;

[0021] Figure 2 It is a schematic diagram of the structure of a pinching tool from another perspective;

[0022] Figure 3 It is a schematic diagram of the structure of a V-shaped block of a pinching tool;

[0023] Figure 4 It is a partial structural diagram of the cooperation between the V-shaped block and the top plate of a pinching tool;

[0024] Figure 5 It is a schematic diagram of the structure of a pinching tool without V-block installed;

[0025] Figure 6 It is a schematic diagram of the structure of the screw;

[0026] Figure 7 is a schematic structural diagram of a first connecting portion;

[0027] Figure 8 It is a schematic diagram of another structure of V-block;

[0028] Fig. 9 is a schematic structural diagram of the second connecting portion;

[0029] Fig.10 It is a schematic diagram of another structure of a pinching tool. DETAILED DESCRIPTION

[0030] The utility model is described in detail below in conjunction with the embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several adjustments and improvements can be made without departing from the concept of the utility model. These all belong to the protection scope of the utility model.

[0031] like Figure 1-6 As shown, the utility model discloses a pinching tool, including an L-shaped guide rail 1, a baffle 2 is arranged at the front end of the L-shaped guide rail 1, a clamping handle 3 is movably connected to the L-shaped guide rail 1, the other end of the clamping handle 3 is movably connected to a screw 4, a connecting portion 5 is arranged at the head of the screw 4, the upper part of the connecting portion 5 is a top plate 501, a V-shaped block 6 is arranged on the top plate 501, the base of the V-shaped block 6 is cylindrical, and a triangular groove 7 is arranged in the center of the upper part of the V-shaped block 6.

[0032] Preferably, a micro square groove 701 is provided at the bottom of the triangular groove 7 .

[0033] By arranging a V-block on the top plate of the pincher and providing a triangular groove on the V-block, a round tube or nut-shaped workpiece can be well fitted and not easily slipped off. A micro square groove is provided at the bottom of the triangular groove, which can better fit the nut angles of different sizes of the nut-shaped workpiece.

[0034] Preferably, a spherical connecting portion 401 is provided at the head of the screw rod 4 .

[0035] Preferably, the top of the connecting portion 5 is the top plate 501 , and the lower portion of the connecting portion 5 is provided with a spherical movable hole 503 , and the spherical connecting portion 401 is movably disposed in the spherical movable hole 503 . Specific embodiment one:

[0037] Preferably, a cylindrical hole 601 is provided at the lower portion of the V-shaped block 6 , and an annular groove 602 is provided on the side wall of the cylindrical hole 601 . The annular groove 602 cooperates with the hole retaining ring 8 to fix the V-shaped block 6 on the top plate 501 .

[0038] Preferably, the connecting portion 5 is a first connecting portion, and the first connecting portion includes the top plate 501 and a conical base 502;

[0039] The upper part of the first connecting part is a top plate 501, and a conical base 502 is provided at the lower end of the top plate 501. The upper surface diameter of the conical base 502 is smaller than the diameter of the top plate 501, and a spherical movable hole 503 is provided on the lower bottom surface of the conical base 502;

[0040] The cylindrical hole 601 is sleeved on the top plate 501 , and the hole retaining ring 8 is placed inside the annular groove 602 to fix the top plate 501 in the cylindrical hole 601 . Specific embodiment 2:

[0042] like Figure 7 , 8 As shown in FIG. 9 , preferably, a second spherical hole 603 is provided at the bottom surface of the lower portion of the V-block 6, a threaded connecting column 604 is provided on the outer side of the lower portion of the V-block, a nut 9 is sleeved on the outer side of the connecting column 604, and the nut 9 fixes the V-block 6 on the top plate 501.

[0043] Preferably, the connecting portion 5 is a second connecting portion, and the second connecting portion includes the top plate 501, the arc surface base 504 and the extension column 506;

[0044] The upper part of the second connecting part is a top plate 501, and the top plate 501 is located on the upper surface of the arc base 504. The lower bottom surface of the arc base 504 is provided with an extension column 506 whose diameter is smaller than the diameter of the lower bottom surface of the arc base 504, and the spherical movable hole 503 is located at the lower bottom surface of the extension column 506;

[0045] The top plate 501 fits with the second spherical hole 603, and the top plate 501 and the arc surface base 504 are embedded in the second spherical hole 603;

[0046] A snap ring 901 protruding toward the center of the nut is disposed at the lower edge of the nut 9 , and the snap ring 901 clamps the lower bottom surface of the arc base 504 to fix the arc base 504 and the top plate 501 inside the second spherical hole 603 .

[0047] Preferably, a clamping handle hole 302 is provided at one end of the clamping handle 3, and the L-shaped guide rail 1 movably passes through the clamping handle hole 302, and a screw hole 301 is provided at the other end of the clamping handle 3, and the screw rod 4 movably passes through the screw hole 301.

[0048] Preferably, a rotating rod 9 is movably provided at the tail of the screw rod 4. A screw hole 402 is provided at the tail of the screw rod 4, and the rotating rod 9 passes through the screw hole 402, and two ends of the rotating rod 9 are provided with stop blocks to prevent the rotating rod from falling out of the screw hole 402. The rotating rod 9 can move left and right in the screw hole 402 to facilitate adjusting the appropriate angle to rotate the screw rod 4.

[0049] Preferably, the clamping handle 3 is parallel to the transverse rail of the L-shaped guide rail 1 .

[0050] Preferably, the V-shaped block 6 is arranged corresponding to the baffle 2 .

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pinching tool, comprising an L-shaped guide rail (1), a baffle plate (2) being arranged at the front end of the L-shaped guide rail (1), a clamping handle (3) being movably connected to the L-shaped guide rail (1), the other end of the clamping handle (3) being movably connected to a screw rod (4), a connecting portion (5) being arranged at the head of the screw rod (4), the upper part of the connecting portion (5) being a top plate (501), characterized in that: A V-shaped block (6) is provided on the top plate (501); the base of the V-shaped block (6) is cylindrical; and a triangular groove (7) is provided at the center of the upper portion of the V-shaped block (6).

2. A pinching tool according to claim 1, characterized in that: A micro square groove (701) is provided at the bottom of the triangular groove (7).

3. A pinching tool according to claim 1 or 2, characterized in that: The head of the screw rod (4) is provided with a spherical connecting portion (401).

4. A pinching tool according to claim 3, characterized in that: The top of the connecting portion (5) is the top plate (501), the lower portion of the connecting portion (5) is provided with a spherical movable hole (503), and the spherical connecting portion (401) is movably arranged in the spherical movable hole (503).

5. A pinching tool according to claim 4, characterized in that: A cylindrical hole (601) is provided at the bottom of the V-shaped block (6), and a ring groove (602) is provided on the side wall of the cylindrical hole (601). The ring groove (602) cooperates with a hole retaining ring (8) to fix the V-shaped block (6) on the top plate (501).

6. A pinching tool according to claim 5, characterized in that: The connecting portion (5) is a first connecting portion, and the first connecting portion comprises the top plate (501) and a conical base (502); The upper part of the first connecting portion is a top plate (501), a conical base (502) is provided at the lower end of the top plate (501), the upper surface diameter of the conical base (502) is smaller than the diameter of the top plate (501), and a spherical movable hole (503) is provided on the lower bottom surface of the conical base (502); The cylindrical hole (601) is sleeved on the top plate (501), and the hole retaining ring (8) is placed inside the annular groove (602) to fix the top plate (501) inside the cylindrical hole (601).

7. A pinching tool according to claim 4, characterized in that: A second spherical hole (603) is provided at the bottom surface of the lower portion of the V-shaped block (6), a threaded connecting column (604) is provided on the outer side of the lower portion of the V-shaped block, a nut (9) is sleeved on the outer side of the connecting column (604), and the nut (9) fixes the V-shaped block (6) on the top plate (501).

8. A pinching tool according to claim 7, characterized in that: The connecting portion (5) is a second connecting portion, and the second connecting portion comprises the top plate (501), a curved base (504) and an extension column (506); The upper portion of the second connecting portion is a top plate (501), the top plate (501) is located on the upper surface of the arc surface base (504), the lower bottom surface of the arc surface base (504) is provided with an extension column (506) having a diameter smaller than the diameter of the lower bottom surface of the arc surface base (504), and the spherical movable hole (503) is located on the lower bottom surface of the extension column (506); The top plate (501) fits into the second spherical hole (603), and the top plate (501) and the arc surface base (504) are embedded in the second spherical hole (603); The lower edge of the nut (9) is provided with a snap ring (901) protruding toward the center of the nut, and the snap ring (901) clamps the lower bottom surface of the arc surface base (504) to fix the arc surface base (504) and the top plate (501) inside the second spherical hole (603).

9. A pinching tool according to claim 1, characterized in that: A clamping handle hole (302) is provided at one end of the clamping handle (3), and the L-shaped guide rail (1) movably passes through the clamping handle hole (302). A screw hole (301) is provided at the other end of the clamping handle (3), and the screw rod (4) movably passes through the screw hole (301).

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