CN103801957B - Clamp for circular tube - Google Patents

Abstract

The invention discloses a round pipe clamp, which comprises a clamp table and a clamping device. A rotating body is arranged on the clamp table. The cross section of the rotating body is an equilateral triangle. platform, the cross section of the rotating body coincides with the center of the section of the fixed table, the fixed table is fixed on the fixture table, and its upper surface is at the same height as the upper surface of the rotating body. The number of clamping devices is three, and the fixed table and the rotating body The upper surface of the upper surface is arranged in a circular array. The present invention drives the rotating body to rotate clockwise through the pushing device. Since the three clamping devices are arranged in a circular array on the fixed platform and the rotating body, the rotating body can pass through the first when rotating. Under the action of the orientation table, the support rod and the second support rod respectively give equal thrust to the jaws, so that the pressure on the round tube in all directions is the same, and the round tube can be stably fixed without causing its deformation, which is convenient and reliable .

Description

A round pipe clamp

technical field

The invention relates to the technical field of clamps, in particular to a round pipe clamp.

Background technique

In the traditional industrial production and processing process, it is often necessary to fix the round tube. Usually, the fixed round tube is supported by three claws, and then the pressure is applied to each claw through the legs. However, since the pressure of each leg is It is applied separately, so it is difficult to ensure that the pressure on each claw is the same, which causes uneven pressure on the outer surface of the steel pipe in all directions, which is likely to cause deformation and ultimately affect production .

Contents of the invention

In order to solve the above problems, the present invention provides a round pipe clamp, which can make the three clamping jaws evenly apply pressure to the round pipe to be fixed to fix it without causing deformation.

The technical problem to be solved by the present invention is achieved through the following technical solutions:

A round pipe fixture, characterized in that it includes a fixture table and a clamping device, a rotating body is arranged on the fixture table, the cross section of the rotating body is an equilateral triangle, a through hole is provided in the middle, and a ring fixing ring is arranged in the through hole. The cross section of the rotating body coincides with the center of the cross section of the fixed table. The fixed table is fixed on the fixture table, and its upper surface is at the same height as the upper surface of the rotating body. The number of clamping devices is three, and the fixed table and the rotating body The upper surface is arranged in an annular array.

Preferably, the clamping device includes an orientation platform, a first support rod and a second support rod, and an orientation pipeline is arranged inside the orientation platform, and the extension line of the orientation pipeline points to the ring center of the section of the fixed platform, and the first support rod One end is fixed on the upper surface of the rotating body through the rotating shaft, and the other end is connected with one end of the second support rod through the rotating shaft. The second support rod passes through the orientation pipe and protrudes from the inner side of the orientation table. The other end of the second support rod is provided with an arc Jaws.

Preferably, a pushing device is provided on one side of the rotating body, and the pushing device is fixed on the jig table, and can push the rotating body to rotate in a clockwise direction.

Preferably, the pushing device includes a guide table, a first push rod and a second push rod, the guide table is fixed on the fixture table, a guide pipe is provided on the guide table, and one end of the first push rod passes through the guide pipe It is connected with one end of the second push rod through a rotating shaft, and the other end is provided with a handle. The other end of the second push rod is connected with one side of the rotating body through a rotating shaft. of thread.

Preferably, the bottom of the rotating body is provided with an annular slide rail, the center of which is coincident with that of the annular fixed table, and the upper surface of the fixture table is provided with an annular groove corresponding to the annular slide rail.

The beneficial effects achieved by the present invention are: the rotating body is driven to rotate clockwise by the pushing device, and since the three clamping devices are arranged in a circular arrangement on the fixed table and the rotating body, the rotating body can pass through the first support when rotating. Under the action of the orientation table, the rod and the second support rod respectively give equal thrust to the jaws, so that the pressure on the round tube in all directions is the same, and the round tube can be stably fixed without causing its deformation, which is convenient and reliable.

Description of drawings

Fig. 1 is a top view structural representation of the present invention;

Fig. 2 is a schematic structural view of the bottom of the rotating body in the present invention;

Fig. 3 is a schematic structural view of the upper surface of the fixture table in the present invention.

detailed description

In order to further describe the technical features and effects of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Fig. 1 to Fig. 3, a kind of round pipe fixture comprises a fixture table 1 and a clamping device 2, a rotating body 3 is provided on the fixture table 1, the cross section of the rotating body 3 is equilateral triangle, and a through hole is arranged in the middle 8. An annular fixed table 4 is provided in the through hole 8, the cross section of the rotating body 3 coincides with the center of the cross section of the fixed table 4, the fixed table 4 is fixed on the fixture table 1, and its upper surface is at the same height as the upper surface of the rotating body 3, There are three clamping devices 2 , which are arranged in an annular array on the upper surfaces of the fixed table 4 and the rotating body 3 .

Further, the clamping device 2 includes an orientation table 21, a first support rod 22 and a second support rod 23. An orientation pipeline is arranged inside the orientation platform 21, and the extension line of the orientation pipeline points to the ring center of the section of the fixed platform. One end of the first support rod 22 is fixed on the upper surface of the rotating body 3 by a rotating shaft, and the other end is connected with an end of the second support rod 23 by a rotating shaft. The other ends of the two supporting rods 23 are provided with arc-shaped clamping jaws 24 .

Further, a pushing device 5 is provided on one side of the rotating body 3 , and the pushing device 5 is fixed on the fixture table 1 and can push the rotating body 3 to rotate in a clockwise direction.

Further, it is characterized in that: the pushing device 5 includes a guide table 51, a first push rod 52 and a second push rod 53, the guide table 51 is fixed on the fixture table, and a guide pipe is provided on the guide table 51, One end of the first push rod 52 passes through the guide pipe and is connected with one end of the second push rod 53 through a rotating shaft, and the other end is provided with a handle 54, and the other end of the second push rod 53 is connected with one side of the rotating body 3 through a rotating shaft , The outer side of the first push rod 52 and the inner side of the guide pipe are provided with corresponding threads.

Further, the bottom of the rotating body 3 is provided with an annular slide rail 6, the ring center of the ring slide rail 6 coincides with the ring center of the ring fixed platform, and the upper surface of the fixture table 1 is provided with a The annular chute 7.

When in use, the round tube is arranged at the center position of the fixed table 4. At this time, by turning the handle 54, the first push rod 52 pushes the second push rod 53 to drive the rotating body 3 to rotate clockwise. On the fixed platform 4 and the rotating body 3, it is arranged in an annular array, and then the length and the rate that the three first support rods 22 drive the arc-shaped jaws 24 to the center of the fixed platform are equal, and the three arc-shaped When the clamping claws 24 finally fix the round tube to the column, the pressure exerted by each arc-shaped clamping jaw 24 on the side wall of the round tube is equal, so that not only the clip is stable but also the round tube will not be deformed, and the effect is excellent.

The above-mentioned embodiments do not limit the present invention in any form, and all technical solutions obtained in the form of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (4)

1. A round pipe clamp, characterized in that it includes a clamp table (1) and a clamping device (2), the clamp table (1) is provided with a rotating body (3), and the rotating body (3) The cross section is an equilateral triangle, with a through hole (8) in the middle, and an annular fixed platform (4) is arranged in the through hole (8), the section center of the rotating body (3) coincides with the section center of the fixed platform (4), and the fixed platform (4 ) is fixed on the fixture table (1), and its upper surface is at the same height as the upper surface of the rotating body (3). The number of the clamping devices (2) is three. The upper surface of the upper surface is arranged in a ring array; the bottom of the rotating body (3) is provided with a ring slide rail (6), and the ring center of the ring slide rail (6) coincides with the ring center of the ring fixed table, and the clamp table (1 ) is provided with an annular chute (7) corresponding to the annular slide rail (6) on the upper surface. 2. A round pipe clamp according to claim 1, characterized in that: the clamping device (2) comprises an orientation table (21), a first support rod (22) and a second support rod (23), Orientation pipeline is arranged in described orientation platform (21), and the extension line of orientation pipeline points to the ring center of fixed platform section, and one end of first support bar (22) is fixed on rotating body (3) upper surface by rotating shaft, and the other end is connected with One end of the second support rod (23) is connected by a rotating shaft, and the second support rod (23) passes through the orientation pipeline and stretches out from the inboard of the orientation platform (21), and the other end of the second support rod (23) is provided with an arc clip Claws (24). 3. A round pipe clamp according to claim 1, characterized in that: one side of the rotating body (3) is provided with a pushing device (5), and the pushing device (5) is fixed on the clamp table ( 1), it can push the rotating body (3) to rotate clockwise. 4. A round pipe clamp according to claim 3, characterized in that: the pushing device (5) comprises a guide table (51), a first push rod (52) and a second push rod (53), the The guide table (51) is fixed on the fixture table, and the guide table (51) is provided with a guide pipe, and one end of the first push rod (52) passes through the guide pipe and is connected to one end of the second push rod (53) through the rotating shaft. connection, the other end is provided with a rocker (54), the other end of the second push rod (53) is connected to one side of the rotating body (3) through a rotating shaft, and the outside of the first push rod (52) is provided with the inside of the guide pipe. There are corresponding threads.