High-strength plastic steel composite pipe

Abstract

The utility model provides a high-strength plastic steel composite pipe which comprises a pipe body, one end of the pipe body is in threaded connection with a connecting sleeve, one end of the connecting sleeve is in sliding connection with a fixing lantern ring, one end of the fixing lantern ring is fixedly connected with a sliding block installation groove, a plurality of limiting sliding blocks are in sliding connection in the sliding block installation groove, and one end of the pipe body is fixedly connected with a limiting boss. A plurality of deviation preventing plates are fixedly connected into the sliding block mounting groove, a limiting clamping groove is formed in one side of a spring pipe body which is fixedly connected with the limiting sliding block and the inner wall of the sliding block mounting groove, a plurality of through grooves are formed in one side of the sliding block mounting groove, and a sealing belt is fixedly connected to one end of the sliding block mounting groove; due to the fact that the screwing directions of threads on the two sides of the connecting sleeve are opposite, the pipe bodies on the two sides can be in threaded connection while rotating towards one side, after the threads are completely fixed in a rotating mode, the limiting sliding blocks can be extruded to slide out inwards, a boss at one end of each pipe body is fixed from the rear side, the pipe bodies are further fixed and prevented from falling off, and installation is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic steel composite pipe, especially to a high strength plastic steel composite pipe. BACKGROUND

[0002] Plastic steel composite pipe is a new material combined by steel pipe and plastic pipe, usually based on steel pipe, and then coated with plastic material on the inner wall. The steel pipe can be seamless steel pipe, welded steel pipe or galvanized steel pipe, and the plastic part can be high-density poly(ethylene (HDPE), ultra-high molecular weight poly(ethylene (UHMW-) E) and other materials. This material not only inherits the high toughness of steel pipe, but also has high pressure resistance and impact resistance, and is not easy to break. When the plastic steel composite pipe is butt jointed, welding, winding connection and thread connection can be used, but for the composite pipe with steel belt inside, the welding process is more troublesome and inconvenient, so a plastic steel composite pipe that can be quickly and firmly connected is needed.

[0003] According to the search, the patent with the patent number CN209164854U discloses an easy-to-assemble high-strength double-flat-wall plastic steel composite pipe, which comprises a pipe body, the pipe body comprises an outer T-shaped plate strip, an inner T-shaped plate strip and a W-shaped steel strip, the outer T-shaped plate strip is located on the outer wall of the pipe body, the inner T-shaped plate strip is located on the inner wall of the pipe body, the W-shaped steel strip is located between the outer T-shaped plate strip and the inner T-shaped plate strip, one end of the pipe body is fixed with an inner clamping seat, and the other end of the pipe body is fixed with an outer clamping seat.

[0004] In the above-mentioned technology, when butt jointed, one side of the composite pipe needs to be rotated, but the composite pipe is thick and long, and it is very inconvenient to rotate and easy to damage the plastic steel composite pipe, so a joint that does not need to rotate the composite pipe for butt joint is needed. Therefore, a high-strength plastic steel composite pipe is proposed. UTILITY MODEL CONTENTS

[0005] Therefore, the embodiments of the utility model hope to provide a high-strength plastic steel composite pipe to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.

[0006] The technical scheme of the embodiments of the utility model is implemented as follows: a pipe body is provided, one end of the pipe body is threadedly connected with a connecting sleeve, one end of the connecting sleeve is slidably connected with a fixed sleeve ring, one end of the fixed sleeve ring is fixedly connected with a sliding block mounting groove, a plurality of limiting sliding blocks are slidably connected inside the sliding block mounting groove, and one end of the pipe body is fixedly connected with a limiting boss.

[0007] In some embodiments, a plurality of anti-deviation plates are fixedly connected inside the sliding block mounting groove, and the limiting sliding blocks and the inner wall of the sliding block mounting groove are fixedly connected with springs.

[0008] In some embodiments, the pipe body is provided with a limiting clamping groove on one side, the sliding block mounting groove is provided with a plurality of through grooves on one side, and the sliding block mounting groove is fixedly connected with a sealing band at one end.

[0009] In some embodiments, the sliding block mounting groove is slidably connected with a pressing plate inside, the pressing plate is rotatably connected with a roller at one end, and the roller is movably connected to one side of the limiting sliding block at one end.

[0010] In some embodiments, the sliding block mounting groove is threadedly connected with a pressing screw sleeve inside.

[0011] In some embodiments, the pipe body is fixedly connected with a rubber pad at one end, the pipe body is provided with an internal sealing groove at one end, and the connecting sleeve is fixedly connected with a plurality of internal sealing bosses inside.

[0012] In some embodiments, the fixed sleeve ring is rotatably connected with a fastening screw sleeve at one end, and the fastening screw sleeve is threadedly connected to the outside of the connecting sleeve at one end.

[0013] In some embodiments, the fastening screw sleeve is threadedly connected with a limiting bolt at one end.

[0014] The above technical scheme is adopted in the embodiment of the utility model, and the following advantages are obtained.

[0015] 1. A high-strength plastic steel composite pipe, by connecting the sleeve on both sides of the thread rotation direction opposite, can be in the rotation to one side at the same time thread connection both sides of the pipe body, after the complete thread rotation fixed, can be through extrusion a plurality of limiting sliding block to slide inwards, from the rear side fixed pipe body one end boss, further fixed to prevent the pipe body from falling off, let the installation more stable.

[0016] 2. A high-strength plastic steel composite pipe, by sealing band is extruded in the limiting clamping groove by limiting sliding block, can carry out hot joint fixed and improve the sealing effect.

[0017] 3. A high-strength plastic steel composite pipe, by rotating the fastening screw sleeve can make the fixed sleeve ring drive the limiting sliding block to move and clamp the limiting boss, and the limiting bolt can rotate to fix the position of the fastening screw sleeve.

[0018] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described exemplary aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent to those skilled in the art by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is the front view structure diagram of the utility model;

[0021] Figure 2 It is the exploded view of the utility model;

[0022] Figure 3 It is the exploded view of the connecting sleeve of the utility model;

[0023] Figure 4 It is the sectional structure of the utility model Figure 1 ;

[0024] Figure 5 It is the sectional structure of the utility model Figure 2 .

[0025] Reference signs:

[0026] 1, pipe body; 2, connecting sleeve; 3, limiting boss; 4, rubber pad; 5, internal sealing groove; 6, limiting clamping groove; 7, internal sealing boss; 8, fixing sleeve ring; 9, fastening screw sleeve; 10, limiting bolt; 11, sliding block mounting groove; 12, pressing screw sleeve; 13, pressing plate; 14, limiting sliding block; 15, spring; 16, anti-deviation plate; 17, sealing band; 18, roller; 19, through groove. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0028] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0029] Embodiment 1:

[0030] As Figures 1-5As shown, a high-strength plastic steel composite pipe includes a pipe body 1, a connecting sleeve 2 threadedly connected to one end of the pipe body 1, a fixing sleeve ring 8 slidably connected to one end of the connecting sleeve 2, a sliding block mounting groove 11 fixedly connected to one end of the fixing sleeve ring 8, a plurality of limiting sliding blocks 14 slidably connected inside the sliding block mounting groove 11, and a limiting boss 3 fixedly connected to one end of the pipe body 1. The connecting sleeve 2 has opposite sides with opposite thread directions, so that when one side is rotated, the pipe body 1 on both sides is threadedly connected at the same time. After complete thread rotation and fixation, the plurality of limiting sliding blocks 14 can be slid inward by extrusion, and the boss at one end of the pipe body 1 is fixed from the rear side to further fix the pipe body 1 and prevent it from falling off, so that the installation is more stable.

[0031] In this embodiment, a plurality of anti-deviation plates 16 are fixedly connected inside the sliding block mounting groove 11, springs 15 are fixedly connected between the limiting sliding blocks 14 and the inner wall of the sliding block mounting groove 11, a limiting clamping groove 6 is formed on one side of the pipe body 1, a plurality of through grooves 19 are formed on one side of the sliding block mounting groove 11, and a sealing band 17 is fixedly connected to one end of the sliding block mounting groove 11.

[0032] The anti-deviation plates 16 can limit the movement trajectory of the limiting sliding blocks 14 to prevent deviation, the springs 15 can reset the limiting sliding blocks 14 when they are not extruded, and the sealing band 17 is extruded in the limiting clamping groove 6 by the limiting sliding blocks 14 to perform thermal connection fixation and improve the sealing effect.

[0033] In this embodiment, a lower pressing plate 13 is slidably connected inside the sliding block mounting groove 11, a roller 18 is rotatably connected to one end of the lower pressing plate 13, one end of the roller 18 is movably connected to one side of the limiting sliding block 14, and a lower pressing screw sleeve 12 is threadedly connected inside the sliding block mounting groove 11.

[0034] Rotating the lower pressing screw sleeve 12 can extrude the lower pressing plate 13 to move, and then the limiting sliding block 14 is extruded out through the roller 18 extruding the bevel edge of the limiting sliding block 14.

[0035] In this embodiment, a rubber pad 4 is fixedly connected to one end of the pipe body 1, an internal sealing groove 5 is formed at one end of the pipe body 1, and a plurality of internal sealing bosses 7 are fixedly connected inside the connecting sleeve 2. The rubber pad 4 can improve the thread connection effect of the connecting sleeve 2 and the pipe body 1, and the internal sealing bosses 7 on both sides of the connecting sleeve 2 can be inserted into the internal sealing groove 5 to improve the sealing effect.

[0036] In this embodiment: rotating the lower pressing screw sleeve 12 can extrude the lower pressing plate 13 to move, and then the limiting sliding block 14 is extruded out through the roller 18 extruding the bevel edge of the limiting sliding block 14, the anti-deviation plates 16 can limit the movement trajectory of the limiting sliding blocks 14 to prevent deviation, the springs 15 can reset the limiting sliding blocks 14 when they are not extruded, and the sealing band 17 is extruded in the limiting clamping groove 6 by the limiting sliding blocks 14 to perform thermal connection fixation and improve the sealing effect.

[0037] The threads on both sides of the connecting sleeve 2 rotate in opposite directions, so that the threads can connect the tubes 1 on both sides at the same time when rotating to one side. After the threads are completely fixed, multiple limit sliders 14 can be pressed to slide inward and fix the boss at one end of the tube 1 from the rear side, further fixing the tube 1 to prevent it from falling off and making the installation more stable.

[0038] Rubber gasket 4 can improve the threaded connection between connecting sleeve 2 and pipe body 1. The internal sealing bosses 7 on both sides of connecting sleeve 2 can be inserted into the internal sealing groove 5 to improve the sealing effect.

[0039] Example 2:

[0040] A high-strength plastic-steel composite pipe, this embodiment is based on embodiment 1 with the following improvements, such as... Figures 1-5 As shown,

[0041] In this embodiment, a fastening sleeve 9 is rotatably connected to one end of the fixing collar 8. One end of the fastening sleeve 9 is threaded to the outside of the connecting sleeve 2, and a limit bolt 10 is threaded to the other end of the fastening sleeve 9. Rotating the fastening sleeve 9 can cause the fixing collar 8 to move the limit slider 14 to lock the limit boss 3. The limit bolt 10 can rotate to fix the position of the fastening sleeve 9.

[0042] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A high-strength plastic-steel composite pipe, comprising a pipe body (1), characterized in that: One end of the tube body (1) is threaded with a connecting sleeve (2), one end of the connecting sleeve (2) is slidably connected with a fixing collar (8), one end of the fixing collar (8) is fixedly connected with a slider mounting groove (11), multiple limiting sliders (14) are slidably connected inside the slider mounting groove (11), and one end of the tube body (1) is fixedly connected with a limiting boss (3).

2. The high-strength plastic-steel composite pipe according to claim 1, characterized in that: Multiple anti-deviation plates (16) are fixedly connected inside the slider mounting groove (11), and springs (15) are fixedly connected to the limiting slider (14) and the inner wall of the slider mounting groove (11).

3. The high-strength plastic-steel composite pipe according to claim 2, characterized in that: The tube body (1) has a limit slot (6) on one side, and the slider mounting groove (11) has multiple through slots (19) on one side. A sealing strip (17) is fixedly connected to one end of the slider mounting groove (11).

4. A high-strength plastic-steel composite pipe according to claim 3, characterized in that: The slider mounting groove (11) is slidably connected to a lower pressure plate (13), one end of the lower pressure plate (13) is rotatably connected to a roller (18), and one end of the roller (18) is movably connected to one side of the limiting slider (14).

5. A high-strength plastic-steel composite pipe according to claim 4, characterized in that: The slider mounting groove (11) is internally threaded with a pressing screw sleeve (12).

6. A high-strength plastic-steel composite pipe according to claim 1, characterized in that: A rubber pad (4) is fixedly connected to one end of the tube body (1), and an internal sealing groove (5) is opened at one end of the tube body (1). Multiple internal sealing bosses (7) are fixedly connected inside the connecting sleeve (2).

7. A high-strength plastic-steel composite pipe according to claim 6, characterized in that: One end of the fixed collar (8) is rotatably connected to a fastening screw sleeve (9), and the other end of the fastening screw sleeve (9) is threaded to the outside of the connecting sleeve (2).

8. A high-strength plastic-steel composite pipe according to claim 7, characterized in that: One end of the fastening sleeve (9) is threadedly connected to a limit bolt (10).

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