Reducer pipe

Abstract

The utility model discloses a reducer pipe which comprises a special-shaped pipe body, an auxiliary mechanism is arranged on the circumferential side face of the special-shaped pipe body and comprises extrusion grooves evenly formed in the outer wall of the circumferential side face of the special-shaped pipe body, and a first extrusion block is connected between the inner walls of the two sides of each extrusion groove in a sliding mode. Moving grooves communicating with the extrusion grooves are evenly formed in the outer wall of the circumferential side face of the special-shaped pipe body, and extrusion plates aligned with the first extrusion blocks are slidably connected to the inner walls of the tops of the moving grooves. Through the arrangement of the first extrusion block, the device is placed between two sections of pipelines with different diameters, the pipelines are moved to the circumferential outer wall of the special-shaped pipe body, the rotating block is rotated, the rotating block drives the first lead screw or the second lead screw to rotate, and the first lead screw and the second lead screw respectively drive the movable block and the movable block to move; the moving block or the movable block drives the moving ring to move, the moving ring extrudes the first moving sleeve, the first moving sleeve drives the extrusion plate to move, and the extrusion plate extrudes the first extrusion block to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to a variable diameter pipe technical field especially variable diameter pipe. BACKGROUND

[0002] A variable diameter pipe is an important element in a pipeline system, which has the function of connecting two pipes with different diameters together.

[0003] Through the search, the utility model patent with application No. 202121887940.9 is named as a variable diameter pipe sleeve, the patent device only needs to rotate a rotating ring to adjust the inner diameter of the utility model, so that different diameter pipes can be clamped, and the operation is simple and convenient.

[0004] However, the patent device cannot be adjusted according to the thickness of the pipeline, so that the device cannot adapt to the pipelines with different thicknesses, and the applicability of the device is affected. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a variable diameter pipe.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A variable diameter pipe, including a special-shaped pipe body, the circumferential side of the special-shaped pipe body is provided with an auxiliary mechanism, the auxiliary mechanism includes extrusion grooves uniformly arranged on the outer wall of the circumferential side of the special-shaped pipe body, extrusion blocks one are slidably connected between the inner walls of the two sides of the extrusion grooves, the outer wall of the circumferential side of the special-shaped pipe body is uniformly provided with moving grooves in communication with the extrusion grooves, extrusion plates aligned with the extrusion blocks one are slidably connected to the top inner wall of the moving grooves, the bottom of the extrusion plate extends to the outside of the moving groove, springs are fixedly connected between the side surface of the extrusion plate and the side inner wall of the moving groove, and the outer wall of the circumferential side of the special-shaped pipe body is detachably connected with pipes aligned with the extrusion blocks one.

[0008] Preferably, the outer wall of the circumferential side of the special-shaped pipe body is slidably connected with a moving sleeve one, openings aligned with the extrusion blocks one are uniformly arranged between the inner wall and the outer wall of the circumferential side of the moving sleeve one, and extrusion blocks two are slidably connected between the inner walls of the two sides of the openings.

[0009] Preferably, the bottom of the extrusion plate is fixedly connected to the inner wall of the circumferential side of the moving sleeve one, the outer wall of the circumferential side of the moving sleeve one is slidably connected with a moving sleeve two, and the side surface of the moving sleeve two is fixedly connected with extrusion rings aligned with the extrusion blocks two.

[0010] Preferably, the outer wall of the circumference side of the special-shaped pipe body is fixedly connected with a partition plate, the outer wall of the circumference side of the partition plate is fixedly connected with a fixed cylinder, the inner wall of the circumference side of the fixed cylinder is fixedly connected to the outer wall of the circumference side of the special-shaped pipe body, the inner wall and the outer wall of the two sides of the fixed cylinder are uniformly provided with through openings aligned with the moving ring, the top inner wall and the bottom inner wall of the through opening on one side of the fixed cylinder are slidably connected with a moving block, and the top inner wall and the bottom inner wall of the remaining through openings are slidably connected with movable blocks.

[0011] Preferably, one end of the moving block and one end of the movable block extend to the inside of the fixed cylinder, the side surface of the moving block and the side surface of the movable block are fixedly connected with a moving ring, and the other side of the moving ring abuts against the side surface of the moving sleeve one.

[0012] Preferably, the inner wall of the circumference side of the moving sleeve two is screw-connected to the outer wall of the circumference side of the moving ring, the two sides of the partition plate are uniformly rotatably connected with a lead screw one and a lead screw two, the inner part of the lead screw one is screw-connected to the inner part of the moving block, and the inner part of the lead screw two is screw-connected to the inner part of the movable block.

[0013] Preferably, the inside of the fixed cylinder is provided with at least two chains, the circumference side of one chain is meshingly connected to the circumference side of the lead screw one, the circumference side of the other chain is meshingly connected to the circumference side of the lead screw two, the circumference side of the lead screw one and the circumference side of the lead screw two are fixedly connected with a rotating block, and the circumference side of the rotating block extends to the outside of the fixed cylinder.

[0014] Compared with the prior art, the variable diameter pipe has the following beneficial effects:

[0015] The device is placed between two pipes with different diameters, the pipes are moved to the circumferential outer wall of the special-shaped pipe body, the rotating block is rotated, the rotating block drives the screw rod one or the screw rod two to rotate, the screw rod one and the screw rod two respectively drive the moving block and the movable block to move, the moving block or the movable block drives the moving ring to move, the moving ring extrudes the moving sleeve one, the moving sleeve one drives the extrusion plate to move, the extrusion plate extrudes the extrusion block one to move, so that the extrusion block one is extruded on the circumferential inner wall of the pipe, which is beneficial to conveniently connecting the pipes with different diameters at two ends, improves the convenience of the device, the pipe extrudes the extrusion block two, so that the extrusion block two moves to the circumferential outer wall of the moving sleeve one, the moving sleeve two is rotated, the moving sleeve two drives the extrusion ring to move, the extrusion ring extrudes the extrusion block two, so that the extrusion block two is extruded and fixed from the circumferential outer wall of the pipe, which is beneficial to adjusting the device according to the thickness of the pipe, so that the device is suitable for pipes with different thicknesses, improves the applicability of the device, and the rotating block is reset after the device works, the rotating block drives the screw rod one and the screw rod two to rotate, the screw rod one and the screw rod two drive the moving block and the movable block to reset, the spring pushes the extrusion plate to reset, so that the extrusion block one is separated from the pipe, which is beneficial to users to disassemble and assemble the device before and after use, improves the convenience of using the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A schematic diagram of the overall structure of the variable-diameter pipe is provided for the utility model;

[0017] Figure 2 A schematic diagram of the internal structure of the variable-diameter pipe is provided for the utility model;

[0018] Figure 3 For Figure 2 An enlarged schematic diagram of structure A in the middle;

[0019] Figure 4 For Figure 2 An enlarged schematic diagram of structure B in the middle.

[0020] In the figure: 1 - special-shaped pipe body, 2 - pipe, 3 - extrusion block one, 4 - moving sleeve one, 5 - extrusion block two, 6 - moving sleeve two, 7 - spring, 8 - moving ring, 9 - moving block, 10 - fixed cylinder, 11 - screw rod one, 12 - chain, 13 - partition, 14 - extrusion plate, 15 - rotating block, 16 - extrusion groove, 17 - moving groove, 18 - extrusion ring, 19 - screw rod two, 20 - movable block. DETAILED DESCRIPTION

[0021] Embodiment, refer to Figures 1-4The utility model provides a variable diameter pipe, including the special-shaped pipe body 1, the periphery side of special-shaped pipe body 1 is provided with auxiliary mechanism, including the extrusion groove 16 that is evenly set up in the periphery side outer wall of special-shaped pipe body 1, the both sides inner wall of extrusion groove 16 are slidably connected with extrusion block no. 3, the periphery side outer wall of special-shaped pipe body 1 is evenly set up with the moving groove 17 that communicates with extrusion groove 16, the top inner wall of moving groove 17 is slidably connected with the extrusion plate 14 that is aligned with extrusion block no. 3, the bottom of extrusion plate 14 extends to the outside of moving groove 17, and the side of extrusion plate 14 is fixedly connected with spring 7 between the side inner wall of moving groove 17, and the periphery side outer wall of special-shaped pipe body 1 is detachably connected with the pipeline 2 that is aligned with extrusion block no. 3.

[0022] In the utility model, the periphery side outer wall of special-shaped pipe body 1 is slidably connected with moving sleeve no. 4, and the periphery side inner wall and the outer wall of moving sleeve no. 4 are evenly provided with the opening that is aligned with extrusion block no. 3, and the both sides inner wall of the opening is slidably connected with extrusion block no. 2 5.

[0023] The bottom of extrusion plate 14 is fixedly connected to the periphery side inner wall of moving sleeve no. 4, and the periphery side outer wall of moving sleeve no. 4 is slidably connected with moving sleeve no. 6, and the side of moving sleeve no. 6 is fixedly connected with extrusion ring 18 that is aligned with extrusion block no. 2 5.

[0024] The periphery side outer wall of special-shaped pipe body 1 is fixedly connected with baffle 13, the periphery side outer wall of baffle 13 is fixedly connected with fixed cylinder 10, the periphery side inner wall of fixed cylinder 10 is fixedly connected to the periphery side outer wall of special-shaped pipe body 1, the both sides inner wall and the outer wall of fixed cylinder 10 are evenly provided with the through -opening that is aligned with moving ring 8, and the top inner wall and the bottom inner wall between the through -opening of one side of fixed cylinder 10 are slidably connected with moving block 9, and the top inner wall and the bottom inner wall between the through -opening of the rest are slidably connected with movable block 20.

[0025] One end of moving block 9 and one end of movable block 20 extend to the inside of fixed cylinder 10, and the side of moving block 9 and the side of movable block 20 are fixedly connected with moving ring 8, and the other side of moving ring 8 abuts on the side of moving sleeve no. 4.

[0026] The periphery side inner wall of moving sleeve no. 6 is threadedly connected to the periphery side outer wall of moving ring 8, and the both sides of baffle 13 are evenly rotatably connected with screw rod no. 1 11 and screw rod no. 2 19 respectively, the periphery side of screw rod no. 1 11 is threadedly connected to the inside of moving block 9, and the periphery side of screw rod no. 2 19 is threadedly connected to the inside of movable block 20.

[0027] The interior of the fixed cylinder 10 is provided with at least two chains 12, the circumferential side of one chain 12 is engagedly connected to the circumferential side of the lead screw one 11, the circumferential side of the other chain 12 is engagedly connected to the circumferential side of the lead screw two 19, the circumferential side of the lead screw one 11 and the circumferential side of the lead screw two 19 are fixedly connected with the rotating block 15, and the circumferential side of the rotating block 15 extends to the outside of the fixed cylinder 10.

[0028] Working principle: the device is placed between two pipes 2 with different diameters, the pipes 2 are moved to the circumferential outer wall of the special-shaped pipe body 1, the rotating block 15 is rotated, the rotating block 15 drives the lead screw one 11 or the lead screw two 19 to rotate, the lead screw one 11 and the lead screw two 19 respectively drive the moving block 9 and the movable block 20 to move, the moving block 9 or the movable block 20 drives the moving ring 8 to move, the moving ring 8 extrudes the moving sleeve one 4, the moving sleeve one 4 drives the extrusion plate 14 to move, the extrusion plate 14 extrudes the extrusion block one 3 to move, so that the extrusion block one 3 is extruded on the circumferential inner wall of the pipe 2, which is beneficial to conveniently connecting the pipes 2 with different diameters at both ends, improves the convenience of the device, the pipe 2 extrudes the extrusion block two 5, so that the extrusion block two 5 moves to the circumferential outer wall of the moving sleeve one 4, the moving sleeve two 6 is rotated, the moving sleeve two 6 drives the extrusion ring 18 to move, the extrusion ring 18 extrudes the extrusion block two 5, so that the extrusion block two 5 is extruded and fixed from the circumferential outer wall of the pipe 2, which is beneficial to adjusting the device according to the thickness of the pipe 2, so that the device adapts to pipes 2 with different thicknesses, improves the applicability of the device, and the rotating block 15 is reset after the device works, the rotating block 15 drives the lead screw one 11 and the lead screw two 19 to rotate, the lead screw one 11 and the lead screw two 19 drive the moving block 9 and the movable block 20 to reset, the spring 7 pushes the extrusion plate 14 to reset, so that the extrusion block one 3 is separated from the pipe 2, which is beneficial to users to disassemble and assemble the device before and after use, improves the convenience of using the device.

[0029] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A variable diameter tube comprising a profiled tube body (1), characterised in that, The outer wall of the circumferential side of the special-shaped pipe body (1) is uniformly provided with extrusion grooves (16), the two side inner walls of the extrusion grooves (16) are slidably connected with extrusion blocks (3), the outer wall of the circumferential side of the special-shaped pipe body (1) is uniformly provided with moving grooves (17) in communication with the extrusion grooves (16), the top inner wall of the moving grooves (17) is slidably connected with extrusion plates (14) aligned with the extrusion blocks (3), the bottom of the extrusion plates (14) extends to the outside of the moving grooves (17), the side of the extrusion plates (14) and the side inner wall of the moving grooves (17) are fixedly connected with springs (7), and the outer wall of the circumferential side of the special-shaped pipe body (1) is detachably connected with pipes (2) aligned with the extrusion blocks (3).

2. A variable diameter tube according to claim 1, wherein, The outer wall of the circumferential side of the special-shaped pipe body (1) is slidably connected with a moving sleeve (4), the inner wall and the outer wall of the circumferential side of the moving sleeve (4) are uniformly provided with openings aligned with the extrusion blocks (3), and the two side inner walls of the openings are slidably connected with extrusion blocks (5).

3. A variable diameter tube according to claim 2, wherein, The bottom of the extrusion plate (14) is fixedly connected to the inner wall of the circumferential side of the moving sleeve (4), the outer wall of the circumferential side of the moving sleeve (4) is slidably connected with a moving sleeve (6), and the side of the moving sleeve (6) is fixedly connected with an extrusion ring (18) aligned with the extrusion blocks (5).

4. A variable diameter tube according to claim 3, wherein, The outer wall of the circumferential side of the special-shaped pipe body (1) is fixedly connected with a partition plate (13), the outer wall of the circumferential side of the partition plate (13) is fixedly connected with a fixed cylinder (10), the inner wall of the circumferential side of the fixed cylinder (10) is fixedly connected to the outer wall of the circumferential side of the special-shaped pipe body (1), the two side inner walls and the outer wall of the fixed cylinder (10) are uniformly provided with through openings aligned with the moving rings (8), the top inner wall and the bottom inner wall of the through opening located on one side of the fixed cylinder (10) are slidably connected with a moving block (9), and the top inner wall and the bottom inner wall of the remaining through openings are slidably connected with movable blocks (20).

5. A variable diameter tube according to claim 4, wherein, One end of the moving block (9) and one end of the movable block (20) extend to the inside of the fixed cylinder (10), the side of the moving block (9) and the side of the movable block (20) are fixedly connected with the moving rings (8), and the other side of the moving ring (8) abuts against the side of the moving sleeve (4).

6. A variable diameter tube according to claim 5, wherein, The inner wall of the circumferential side of the moving sleeve (6) is threadedly connected to the outer wall of the circumferential side of the moving ring (8), the two sides of the partition plate (13) are uniformly rotatably connected with a lead screw (11) and a lead screw (19), the inner wall of the circumferential side of the lead screw (11) is threadedly connected to the inside of the moving block (9), and the inner wall of the circumferential side of the lead screw (19) is threadedly connected to the inside of the movable block (20).

7. A variable diameter tube according to claim 6, wherein, The inside of the fixed cylinder (10) is provided with at least two chains (12), the circumferential side of one chain (12) is engagedly connected to the circumferential side of the first screw rod (11), the circumferential side of the other chain (12) is engagedly connected to the circumferential side of the second screw rod (19), the circumferential side of the first screw rod (11) and the circumferential side of the second screw rod (19) are fixedly connected with rotating blocks (15), and the circumferential side of the rotating block (15) extends to the outside of the fixed cylinder (10).

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