A pipe fixing device

Abstract

The utility model discloses a pipe fixture, including a base, a reference part and a clamping device installed on the reference part, the reference part is fixedly connected to the base along a preset direction; the clamping device includes a lead screw, a turntable and a plurality of clamping claws, one end of the lead screw is fixedly connected to the reference part, the turntable is threadedly connected to the lead screw, a plurality of clamping claws are evenly distributed around the lead screw, and are all hinged with the reference part shaft pin, one end of the plurality of clamping claws are movably connected with the turntable, so that the other end of the plurality of clamping claws is controlled by the turntable to gather or divide. One end of the pipe fitting is prevented from being on the inner ring or outer ring formed by the plurality of clamping claws, and the turntable is rotated so that the clamping claws fix the pipe fitting, the operation is convenient and quick, and the pipe fitting can be fixed from the inner wall and the outer wall of the pipe fitting to expand the clamping size range of the pipe fitting.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary equipment for pipeline welding equipment, and more specifically, to a pipe fixture. Background Art

[0002] Before welding the auxiliary pipe fittings to the main pipe fittings, the pipe fittings need to be fixed. The traditional pipe fitting fixture includes a reference plate and a plurality of clamps slidably connected to the reference plate, and each clamp is threaded with a centripetal fastening bolt. Although the traditional pipe fitting fixture has a simple structure, it is inconvenient to use. First, it needs to be aligned before use so that each clamp is consistent with the center of the reference plate; second, the size of the pipe fittings that can be fixed is relatively limited. The outer diameter of the pipe fitting to be fixed is proportional to the outer diameter of the reference plate. The manufacturing cost of the pipe fitting fixture that clamps the pipe fitting with a larger outer diameter is relatively high. Therefore, it is necessary to improve the traditional pipe fitting fixture. Utility Model Content

[0003] The technical problem to be solved by the utility model is that the traditional pipe fixing device is inconvenient to use, and thus a pipe fixing device is provided to solve the above problem.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A pipe fixture comprises a base, a reference piece and a clamping device mounted on the reference piece, wherein the reference piece is fixedly connected to the base along a preset direction;

[0006] The clamping device includes a screw, a turntable and a plurality of jaws, one end of the screw is fixedly connected to a reference part, the turntable is threadedly connected to the screw, a plurality of jaws are evenly distributed around the screw and are hinged to the reference part shaft pin, one end of the plurality of jaws are movably connected to the turntable, so that the turntable controls the other ends of the plurality of jaws to gather or divide.

[0007] Preferably: a coaxial groove is provided on the outer circumferential surface of the rotating disk, a plurality of the clamping jaws are arranged in a V shape, the two ends of the clamping jaws are arranged as point A and point B respectively, the turning point of the clamping jaws is arranged as point C, the point A is slidably connected in the groove, the point C is hinged to the reference member shaft pin, and the point B passes through the reference member and is located on the other side of the reference member relative to the rotating disk for clamping the pipe fitting;

[0008] When the distance between the rotating disk and the reference disk increases, a plurality of the B points move closer to each other;

[0009] When the distance between the rotating disk and the reference disk is reduced, a plurality of the B points are dispersed from each other.

[0010] Preferably: a plurality of hand levers are arranged on the turntable, and the plurality of hand levers are evenly distributed at circumferential intervals.

[0011] Preferably: the cross section of point B is set to be circular.

[0012] Preferably: anti-slip grooves are arranged on the outer circumferential surface of the point B.

[0013] Preferably: a through hole is provided at the center of the point B.

[0014] Preferably, a first auxiliary nut and a second auxiliary nut are threadedly connected to the lead screw, and the first auxiliary nut and the second auxiliary nut are distributed on opposite sides of the turntable.

[0015] The beneficial effects of the utility model are as follows: one end of the pipe fitting is prevented from being on the inner ring or outer ring formed by a plurality of clamping claws, and the clamping claws fix the pipe fitting by rotating the turntable, the operation is convenient and quick, and the pipe fitting can be fixed from both the inner wall and the outer wall of the pipe fitting to expand the size range of the pipe fitting clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of pipe fixing device Figure 1 ;

[0017] Figure 2 Schematic diagram of pipe fixing device Figure 2 ;

[0018] Figure 3 Schematic diagram of pipe fixing device Figure 3 ;

[0019] Figure 4 Schematic diagram of pipe fixing device Figure 4 ;

[0020] In the figure: 1, pipe fitting; 2, base; 3, clamping device; 31, screw; 32, turntable; 321, cutting groove; 33, clamping claw; 331, point A; 332, point B; 333, point C; 4, hand lever; 5, reference part. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0023] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0024] according to Figure 1-4 As shown, a pipe fitting 1 fixture includes a base 2, a reference member 5 and a clamping device 3 installed on the reference member 5, the reference member 5 is fixedly connected to the base 2 along a preset direction; the clamping device 3 includes a lead screw 31, a turntable 32 and a plurality of clamping jaws 33, one end of the lead screw 31 is fixedly connected to the reference member 5, the turntable 32 is threadedly connected to the lead screw 31, a plurality of clamping jaws 33 are evenly distributed around the lead screw 31 in the circumferential direction, and are all hinged to the axis pin of the reference member 5, one end of the plurality of clamping jaws 33 are movably connected to the turntable 32, so that the other ends of the plurality of clamping jaws 33 are controlled by the turntable 32 to gather or divide.

[0025] according to Figure 1-4 As shown, the preset direction is the vertical direction, the reference member 5 is vertically arranged with the base 2, a coaxial U-shaped, V-shaped or dovetail-shaped groove 321 is provided on the outer circumferential surface of the turntable 32, a through groove for the jaws 33 to pass through is provided on the reference disk corresponding to the position of the jaws 33, the number of the jaws 33 is set to four, the four jaws 33 are all set to be V-shaped, the two ends of the jaws 33 are respectively set to point A 331 and point B 332, the turning point of the jaws 33 is set to point C 333, point A 331 is slidably connected to the groove 321, point C 333 is hinged with the reference member 5 shaft pin, point B 332 passes through the reference member 5 and is located on the other side of the reference member 5 relative to the turntable 32 for clamping the pipe 1; when the distance between the turntable 32 and the reference disk increases, a plurality of points B 332 are close to each other; on the contrary, when the distance between the turntable 32 and the reference disk decreases, a plurality of points B 332 are dispersed.

[0026] according to Figure 1-4 As shown, three hand levers 4 are arranged on the turntable 32, and the three hand levers 4 are evenly spaced in the circumferential direction, and a ball head is arranged at the free end of each hand lever 4. The turntable 32 is controlled to rotate on the lead screw 31 by the hand lever 4. The cross section of point B 332 is arranged to be circular, and the outer circumferential surface of point B 332 is arranged with anti-slip grooves. A through hole is arranged at the center of point B 332. An auxiliary chuck can be fixed on point B 332 by screws passing through the through hole, and the auxiliary chuck can increase the outer diameter of point B 332, so as to facilitate the clamping of smaller or larger pipe fittings 1.

[0027] Furthermore, the lead screw 31 is threadedly connected with a first auxiliary nut and a second auxiliary nut, and the first auxiliary nut and the second auxiliary nut are distributed on opposite sides of the turntable 32. The first auxiliary nut and the second auxiliary nut are optional accessories, and are used to lock the turntable 32 to prevent the pipe 1 or the base 2 from vibrating and causing the clamping jaws 33 to loosen.

[0028] Combination Figure 1-4 As shown, one end of the pipe fitting 1 is prevented from being on the inner ring or outer ring formed by a plurality of clamping claws 33, and the turntable 32 is rotated so that the clamping claws 33 fix the pipe fitting 1. The operation is convenient and quick, and the pipe fitting 1 can be fixed from the inner wall of the pipe fitting 1 and the outer wall of the pipe fitting 1 to expand the clamping size range of the pipe fitting 1.

[0029] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0031] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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 pipe fixture, characterized by: It comprises a base (2), a reference member (5), and a clamping device (3) mounted on the reference member (5), wherein the reference member (5) is fixedly connected to the base (2) along a preset direction; The clamping device (3) comprises a lead screw (31), a rotating disk (32) and a plurality of clamping jaws (33), one end of the lead screw (31) is fixedly connected to a reference member (5), the rotating disk (32) is threadedly connected to the lead screw (31), a plurality of clamping jaws (33) are evenly distributed around the lead screw (31) in the circumferential direction and are all hinged to the shaft pin of the reference member (5), one end of the plurality of clamping jaws (33) is movably connected to the rotating disk (32), so that the other ends of the plurality of clamping jaws (33) are controlled by the rotating disk (32) to gather or divide.

2. The pipe fixture according to claim 1, characterized in that: A coaxial groove (321) is provided on the outer circumferential surface of the rotating disk (32); the plurality of clamping jaws (33) are all arranged in a V shape; the two ends of the clamping jaw (33) are respectively arranged as a point A (331) and a point B (332); the turning point of the clamping jaw (33) is arranged as a point C (333); the point A (331) is slidably connected to the groove (321); the point C (333) is hinged to the axis pin of the reference member (5); and the point B (332) passes through the reference member (5) and is located on the other side of the reference member (5) relative to the rotating disk (32) for clamping the pipe (1); When the distance between the rotating disk (32) and the reference disk increases, a plurality of the B points (332) move closer to each other; otherwise When the distance between the rotating disk (32) and the reference disk is reduced, a plurality of the B points (332) are dispersed from each other.

3. The pipe fixture according to claim 2, characterized in that: A plurality of hand levers (4) are arranged on the rotating disk (32), and the plurality of hand levers (4) are evenly spaced in the circumferential direction.

4. The pipe fixture according to claim 3, characterized in that: The cross section of the point B (332) is set to be circular.

5. The pipe fixture according to claim 4, characterized in that: The outer circumferential surface of the point B (332) is provided with anti-slip grooves.

6. The pipe fixture according to claim 5, characterized in that: A through hole is provided at the center of the point B (332).

7. The pipe fixture according to claim 6, characterized in that: The lead screw (31) is threadedly connected with a first auxiliary nut and a second auxiliary nut, and the first auxiliary nut and the second auxiliary nut are distributed on opposite sides of the rotating disk (32).

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