Sealing device for high-quality steel wire mesh framework plastic composite pipe

Abstract

The utility model discloses a sealing device for a high-quality steel wire mesh framework plastic composite pipe, and relates to the technical field of pipelines. The high-quality steel wire mesh framework plastic composite pipe sealing device comprises a fixing plate, a mounting block and a sealing ring mounted on the mounting block, a plurality of arc-shaped clamping plates arranged in a circumferential array mode are arranged on the outer surface of the mounting block, the outer surfaces of the arc-shaped clamping plates make contact with and are attached to the inner ring of the sealing ring, a control cavity is formed in the mounting block, and the control cavity is communicated with the arc-shaped clamping plates. According to the high-quality steel wire mesh framework plastic composite pipe sealing device, the outer surfaces of the arc-shaped clamping plates can be clamped with the inner walls of sealing rings with different inner diameters, the inner walls of the sealing rings can be clamped, and the sealing rings can be conveniently sealed; meanwhile, the mode that the sealing ring is fixed through the adjustable arc-shaped clamping plates is adopted, a plurality of fixing parts with different outer diameters do not need to be arranged, and the situation that the fixing parts are lost, and the fixing effect on the sealing ring is affected is avoided as much as possible.

Description

Technical Field

[0001] The utility model relates to the technical field of pipelines, in particular to a high-quality steel wire mesh skeleton plastic composite pipe sealing device. Background Art

[0002] Wire mesh reinforced plastic composite pipes offer high pressure resistance and excellent flexibility, making them suitable for long-distance buried water and gas pipeline systems. During production, wire mesh reinforced pipes are cut to length as needed. Cut pipes facilitate packaging and transportation, but during use, the steel structure at the cut is easily exposed to air, which can reduce the strength of the steel-plastic composite pipe. Therefore, the ends of the wire mesh reinforced pipes must be sealed after cutting.

[0003] For example, the existing patent CN218615419U discloses a steel wire skeleton plastic composite pipe sealing device. This existing technology changes the sealing ring clamp into a detachable structure, the fixed part is used to connect with the sliding rod in the existing device, and the clamping protrusion is used to fit the sealing ring; when the size of the sealing ring is changed, the clamping protrusion is removed from the fixed part and a clamping protrusion of an appropriate size is installed to adapt to the size of the sealing ring, avoiding the need to disassemble and assemble the sealing ring clamp from the device as a whole, which is conducive to saving time.

[0004] However, the inventors found that the existing technology has the following problems: since the existing wire mesh skeleton plastic composite pipes have different inner diameters, although the existing technology changes the sealing ring clamp into a detachable structure, this also leads to the preparation of clamping protrusions with different outer diameters, so as to meet the sealing treatment of wire mesh skeleton plastic composite pipes with different inner diameters. Since the clamping protrusions of multiple different diameters are easily missed when stored, the sealing treatment effect of the wire mesh skeleton plastic composite pipe is affected. Utility Model Content

[0005] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a high-quality wire mesh skeleton plastic composite pipe sealing device that can solve the problem of easy omission when storing clamping protrusions of various diameters, thereby improving the sealing effect of the wire mesh skeleton plastic composite pipe.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-quality steel wire mesh skeleton plastic composite pipe sealing device, comprising a fixed plate, a mounting block and a sealing ring mounted on the mounting block, the outer surface of the mounting block is provided with a plurality of arc-shaped splints arranged in a circular array, the outer surface of the arc-shaped splint is in contact with and fits with the inner ring of the sealing ring, a control cavity is opened in the mounting block, the control cavity extends into the fixed plate, a control slide rod is fixedly connected to the side surface of the arc-shaped splint close to the mounting block, the other end of the control slide rod slides through the control cavity, one end of the control slide rod located in the control cavity is fixedly connected to a contact protrusion, a spring is fixedly connected between the contact protrusion and the inner wall of the control cavity, and the spring is movably sleeved on the outer surface of the control slide rod.

[0007] Preferably, the mounting block is fixedly mounted on the side of the fixing plate, and a receiving groove is provided on the surface of the sealing ring facing away from the fixing plate, and the receiving groove is used for inserting the wire mesh skeleton plastic composite pipe.

[0008] Preferably, a control bolt is provided on the side of the fixing plate facing away from the mounting block, one end of the control bolt is threaded into the control cavity, one end of the control bolt located in the control cavity is rotatably connected to a control push block, and the outer surface of the control push block is fixedly connected to a plurality of extrusion blocks.

[0009] Preferably, the extrusion block is in the shape of a right triangle, and the contact protrusion contacts the inclined surface of the extrusion block, and the contact protrusion is in the shape of a hemisphere.

[0010] Preferably, a limiting groove is provided on the surface of the control push block facing away from the control bolt, and a limiting slider is fixedly connected to the inner wall of the control cavity facing the limiting groove, and one side of the limiting slider extends into the limiting groove and slides in the limiting groove.

[0011] Preferably, the limiting slider is square, and the limiting slot matches the limiting slider.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) When sealing steel mesh skeleton plastic composite pipes of different diameters, the high-quality steel mesh skeleton plastic composite pipe sealing device only needs to adjust the distance of the control slide bar out of the mounting block, so that the outer surface of the arc-shaped clamping plate can be clamped with the inner wall of the sealing ring with different inner diameters. At the same time, the sealing ring is fixed by the adjustable arc-shaped clamping plate, and there is no need to set up multiple fixing parts with different outer diameters, which can avoid the loss of the fixing part and affect the fixing effect of the sealing ring.

[0014] (2) The high-quality wire mesh skeleton plastic composite pipe sealing device can synchronously control the displacement of all arc-shaped splints, without the need to control them one by one, thus reducing the operating steps of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic structural diagram of a high-quality steel wire mesh skeleton plastic composite pipe sealing device of the utility model;

[0017] Figure 2 This is a schematic diagram of removing the sealing ring of the utility model;

[0018] Figure 3 This is a side plan view of the internal structure of the mounting block of the utility model;

[0019] Figure 4 This is a schematic diagram of the removal of the limiting slider of the utility model.

[0020] Figure numerals: 1, fixing plate; 2, mounting block; 3, sealing ring; 31, receiving groove; 4, arc-shaped clamping plate; 5, control chamber; 6, control slide rod; 7, contact protrusion; 8, spring; 9, control bolt; 10, control push block; 11, extrusion block; 12, limiting slider; 13, limiting slide groove. DETAILED DESCRIPTION

[0021] See also Figure 1-4 The utility model provides a technical solution: a high-quality steel wire mesh skeleton plastic composite pipe sealing device, comprising a fixing plate 1, a mounting block 2 and a sealing ring 3 mounted on the mounting block 2, the mounting block 2 is fixedly mounted on the side of the fixing plate 1, and the outer surface of the mounting block 2 is provided with a plurality of arc-shaped splints 4 arranged in a circular array, and at the same time, the outer surface of the arc-shaped splint 4 contacts and fits with the inner ring of the sealing ring 3, so that the sealing ring 3 is fixed by the plurality of arc-shaped splints 4, and the problem of loosening of the sealing ring 3 during hot melting or installation on the steel wire mesh skeleton plastic composite pipe is avoided as much as possible, and a receiving groove 31 is provided on the surface of the sealing ring 3 facing away from the fixing plate 1, and the receiving groove 31 is used for inserting the steel wire mesh skeleton plastic composite pipe.

[0022] Specifically, a control cavity 5 is opened in the mounting block 2, and the control cavity 5 extends into the fixed plate 1. A control slide 6 is fixedly connected to the surface of the arc-shaped clamping plate 4 on one side close to the mounting block 2. The other end of the control slide 6 slides through the control cavity 5. One end of the control slide 6 located in the control cavity 5 is fixedly connected to a contact protrusion 7. A spring 8 is fixedly connected between the contact protrusion 7 and the inner wall of the control cavity 5. The spring 8 is movably sleeved on the outer surface of the control slide 6. When the spring 8 is not squeezed, the spring 8 will form a thrust on the contact protrusion 7, so that the contact The contact protrusion 7 is on the side close to the center of the control cavity 5, and the arc-shaped clamping plate 4 is on the side close to the mounting block 2. When sealing steel mesh skeleton plastic composite pipes of different diameters, it is only necessary to adjust the distance of the control slide bar 6 out of the mounting block 2, so that the outer surface of the arc-shaped clamping plate 4 can be clamped with the inner wall of the sealing ring 3 with different inner diameters. At the same time, by using this adjustable arc-shaped clamping plate 4 to fix the sealing ring 3, there is no need to set up multiple fixing parts with different outer diameters, which can avoid the loss of the fixing part and affect the fixing effect of the sealing ring.

[0023] Specifically, a control bolt 9 is provided on the side of the fixing plate 1 facing away from the mounting block 2, and one end of the control bolt 9 is threadedly inserted into the control cavity 5, and the end of the control bolt 9 located in the control cavity 5 is rotatably connected to a control push block 10, and the outer surface of the control push block 10 is fixedly connected to a plurality of extrusion blocks 11, which are in the shape of a right triangle, and the contact protrusion 7 contacts the inclined surface of the extrusion block 11. Therefore, when it is necessary to adjust the spacing between the arc splint 4 and the mounting block 2, it is only necessary to twist the control bolt 9. In this way, the control bolt 9 can drive the control push block 10 to move in the control cavity 5 under the transmission of the thread, so that the inclined surface of the extrusion block 11 will squeeze the contact protrusion 7, so that the contact protrusion 7 pushes the control slide rod 6 to move outward, and at the same time the spring 8 is squeezed and contracted. In this way, the displacement of all arc splints 4 can be synchronously controlled without controlling them one by one, thereby reducing the operating steps of the staff.

[0024] Specifically, the contact protrusion 7 is hemispherical, which increases the smoothness of the contact surface between the contact protrusion 7 and the inclined surface of the extrusion block 11, reduces the friction generated when the contact protrusion 7 slides along the inclined surface of the extrusion block 11, and avoids the problem of mechanical jamming caused by excessive friction between the contact protrusion 7 and the inclined surface of the extrusion block 11, further ensuring the smoothness of the use of the mechanism.

[0025] Specifically, a limiting groove 13 is provided on the surface of the control push block 10 facing away from the control bolt 9, and a limiting slider 12 is fixedly connected to the inner wall of the control chamber 5 facing the limiting groove 13. At the same time, the limiting slider 12 is square, and the limiting groove 13 matches the limiting slider 12. One side of the limiting slider 12 extends into the limiting groove 13 and slides in the limiting groove 13. Therefore, when the control push block 10 is displaced, the limiting slider 12 will form a limiting effect on the control push block 10, thereby avoiding the problem of the control push block 10 rotating synchronously with the control bolt 9 as much as possible.

[0026] Working principle: Twist the control bolt 9, so that the control bolt 9 can drive the control push block 10 to move in the control chamber 5 under the transmission of the thread, so that the inclined surface of the extrusion block 11 will squeeze the contact protrusion 7, so that the contact protrusion 7 pushes the control slide rod 6 to move outward, and at the same time the spring 8 is squeezed and contracted, so that the sealing rings 3 with different inner diameters can be fixed.

Claims

1. A high-quality steel wire mesh skeleton plastic composite pipe sealing device, comprising a fixing plate (1), a mounting block (2), and a sealing ring (3) mounted on the mounting block (2), characterized in that: The outer surface of the mounting block (2) is provided with a plurality of arc-shaped clamping plates (4) arranged in a circular array, and the outer surface of the arc-shaped clamping plates (4) contacts and fits with the inner ring of the sealing ring (3). A control cavity (5) is opened in the mounting block (2), and the control cavity (5) extends into the fixed plate (1). A control slide (6) is fixedly connected to the surface of the arc-shaped clamping plate (4) on one side close to the mounting block (2), and the other end of the control slide (6) slides through the control cavity (5). One end of the control slide (6) located in the control cavity (5) is fixedly connected to a contact protrusion (7), and a spring (8) is fixedly connected between the contact protrusion (7) and the inner wall of the control cavity (5), and the spring (8) is movably sleeved on the outer surface of the control slide (6).

2. The high-quality steel wire mesh skeleton plastic composite pipe sealing device according to claim 1, characterized in that: The mounting block (2) is fixedly mounted on the side of the fixing plate (1).

3. The high-quality steel wire mesh skeleton plastic composite pipe sealing device according to claim 1, characterized in that: The sealing ring (3) is provided with a receiving groove (31) on a surface facing away from the fixing plate (1), and the receiving groove (31) is used for inserting the steel wire mesh skeleton plastic composite pipe.

4. The high-quality steel wire mesh skeleton plastic composite pipe sealing device according to claim 1, characterized in that: A control bolt (9) is provided on the side of the fixing plate (1) facing away from the mounting block (2), one end of the control bolt (9) is threadedly inserted into the control cavity (5), one end of the control bolt (9) located in the control cavity (5) is rotatably connected to a control push block (10), and a plurality of extrusion blocks (11) are fixedly connected to the outer surface of the control push block (10).

5. The high-quality steel wire mesh skeleton plastic composite pipe sealing device according to claim 4, characterized in that: The extrusion block (11) is in the shape of a right triangle, and the contact protrusion (7) is in contact with the inclined surface of the extrusion block (11).

6. The high-quality steel wire mesh skeleton plastic composite pipe sealing device according to claim 5, characterized in that: The contact protrusion (7) is hemispherical.

7. The high-quality steel wire mesh skeleton plastic composite pipe sealing device according to claim 5, characterized in that: A limiting groove (13) is provided on the surface of the control push block (10) facing away from the control bolt (9), and a limiting slider (12) is fixedly connected to the inner wall of the control cavity (5) facing the limiting groove (13), and one side of the limiting slider (12) extends into the limiting groove (13) and slides in the limiting groove (13).

8. The high-quality steel wire mesh skeleton plastic composite pipe sealing device according to claim 7, characterized in that: The limiting slider (12) is square, and the limiting chute (13) matches the limiting slider (12).

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