TPEP anti-corrosion steel pipe

Abstract

The utility model relates to the technical field of anti-corrosion steel pipes, in particular to a TPEP anti-corrosion steel pipe which comprises a steel pipe body, a sealing ring, a mounting ring, a mounting groove and a fixing mechanism, the sealing ring is fixedly arranged at one end of the side wall of the steel pipe body, a sealing ring is fixedly arranged on the side wall of the sealing ring, and the mounting ring is fixedly arranged at the other end of the side wall of the steel pipe body. According to the technical scheme, the hand wheel can be pulled and rotated to adjust the position of the positioning block, the sealing ring is arranged in the mounting groove, the mounting groove is formed in the side wall of the sealing ring, and the fixing mechanism is arranged on the sealing ring and used for mounting and fixing the sealing ring and the mounting ring between different steel pipe bodies. And then butt joint of the pipeline body is achieved through matching of the positioning blocks and the positioning grooves and matching of the sealing rings and the side walls of the mounting grooves, and therefore the problem that in the prior art, the butt joint efficiency between the two TPEP anti-corrosion steel pipes is low is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anticorrosive steel pipe, concretely relates to TPEP anticorrosive steel pipe. BACKGROUND

[0002] TPEP anticorrosive steel pipe is the product that PE (modified polyethylene) is used to hot dip plastic or EP (epoxy resin) is used to coat inside and outside, has excellent corrosion resistance, and coating itself also has good electrical insulation, does not produce electric corrosion, is the product that is upgraded again on the basis of outer 3PE inner fusion knot epoxy anticorrosive steel pipe and outer single layer polyethylene inner epoxy composite steel pipe, and it is mainly used for drinking water delivery, buried in the ground.

[0003] In the prior art, TPEP anticorrosive steel pipe is usually assembled into drinking water delivery pipeline by multiple sections of welding, however, the welding mode is slow in work efficiency, which affects the engineering progress, and secondly, high temperature welding can damage the anticorrosive layer.

[0004] In order to facilitate the welding of TPEP anticorrosive steel pipe, through retrieval, the utility model discloses a TPEP anticorrosive steel pipe in the prior art with publication number CN220134903U, which comprises a plurality of TPEP anticorrosive steel pipe assemblies, a first connector assembly is fixedly connected to one end of the side wall of the TPEP anticorrosive steel pipe assembly, a second connector assembly is fixedly connected to the other end of the side wall of the TPEP anticorrosive steel pipe assembly, the first connector assembly comprises a female connector pipe, the female connector pipe is fixedly connected with a first flange on the side wall, and the female connector pipe is fixedly connected to the side wall of the TPEP anticorrosive steel pipe assembly, the second connector assembly comprises a male connector pipe, and the male connector pipe is fixedly connected with a second flange on the side wall.

[0005] The prior art described above can be connected by adjacent two TPEP anticorrosive steel pipe assemblies in the form of bolt connection in the process of use, which replaces the traditional welding connection mode, wherein the butt joint of the female connector pipe and the male connector pipe can ensure the sealing property of the connection, the workers do not need to weld one by one during operation, and damage to the anticorrosive layer of the TPEP anticorrosive steel pipe during the welding process is avoided, so that the installation is more convenient.

[0006] However, a plurality of bolts are needed for fixing between the first flange and the second flange during the butt joint process of the two TPEP anticorrosive steel pipes, so a plurality of bolts need to be rotated in sequence during the butt joint and disassembly process of the two TPEP anticorrosive steel pipes, which is time-consuming and laborious, thereby affecting the butt joint efficiency between the two TPEP anticorrosive steel pipes. UTILITY MODEL CONTENTS

[0007] The utility model discloses TPEP anticorrosive steel pipe, solve the problem of low butt joint efficiency between two TPEP anticorrosive steel pipes in the prior art.

[0008] The utility model discloses a technical scheme as follows: TPEP anticorrosive steel pipe, including steel pipe body, sealing ring, installation ring, installation groove and fixed establishment,

[0009] One end of the steel pipe body lateral wall is fixedly provided with the sealing ring, the sealing ring lateral wall is fixedly provided with the sealing ring, the installation ring is fixedly arranged on the other end of the steel pipe body lateral wall, the installation groove is arranged as annular, the installation groove is arranged on the sealing ring lateral wall, the fixed establishment is arranged on the sealing ring, and the sealing ring and the installation ring between different steel pipe bodies are installed and fixed.

[0010] Preferably, the fixed establishment includes:

[0011] Fixed ring, the fixed ring is fixedly arranged on the sealing ring lateral wall,

[0012] Positioning through groove and positioning groove, the fixed ring lateral wall is provided with a plurality of positioning through grooves and positioning grooves,

[0013] Drive groove, the installation groove lateral wall is provided with a plurality of drive grooves, and the drive groove is slidably provided with a positioning block,

[0014] Wherein, the positioning block is respectively matched with the shape of the positioning through groove and the positioning groove,

[0015] Moving mechanism, the moving mechanism is arranged on the installation ring, and is used for driving the positioning block to move.

[0016] Further, the moving mechanism includes:

[0017] Threaded rod, the threaded rod is rotatably arranged in the drive groove, and the threaded rod is penetrated through the positioning block through thread cooperation,

[0018] First cavity, the annular first cavity is arranged in the installation ring,

[0019] Synchronous rotation mechanism, the synchronous rotation mechanism is arranged in the first cavity, and is used for driving a plurality of threaded rods to synchronously rotate.

[0020] Further, the synchronous rotation mechanism includes:

[0021] First gear, a plurality of first gears are rotatably arranged in the first cavity, and the first gear is fixedly connected with the threaded rod,

[0022] First tooth ring, the first tooth ring is rotatably arranged in the first cavity, and the first gear is engaged with the first gear,

[0023] A driving mechanism is arranged on the mounting ring and used to drive the first tooth ring to rotate.

[0024] Further, the driving mechanism comprises:

[0025] A second gear is arranged in the first cavity and engaged with the first tooth ring.

[0026] A hand wheel is arranged on one side of the mounting ring.

[0027] A limiting mechanism is arranged between the hand wheel and the second gear and used to limit the rotation angle of the second gear.

[0028] Based on the above scheme, the limiting mechanism comprises:

[0029] A first limiting slot is arranged on the second gear, and a limiting opening is arranged at the bottom of the first limiting slot and penetrates the second gear and the mounting ring.

[0030] A second limiting slot is arranged on the side wall of the first cavity.

[0031] A limiting column is fixedly arranged on the hand wheel and penetrates the limiting opening and extends into the first limiting slot.

[0032] A limiting block is fixedly arranged on the limiting column and is in sliding connection with the side wall of the first limiting slot.

[0033] A supporting spring is sleeved on the limiting column, and the two ends of the supporting spring are in contact with the bottom of the first limiting slot and the limiting block, respectively.

[0034] The working principle and beneficial effects of the utility model are as follows:

[0035] 1. In the utility model, after the positioning groove and the positioning block are aligned, the sealing ring can be extended into the mounting groove, then the positioning groove and the positioning block can be aligned by rotating the steel pipe body, and then the positioning block can be extended into the positioning groove and press the fixing ring by the working of the moving mechanism, so that the sealing between the mounting groove and the sealing ring can be realized by the sealing ring, and the sealing between the pipe bodies can be realized by the cooperation between the positioning block and the positioning groove and the cooperation between the mounting groove and the mounting ring.

[0036] 2. The utility model discloses a through the setting of moving mechanism, the rotation of hand wheel can drive the rotation of limiting post and limiting block, can drive second gear through the sliding fit of limiting block and first limit groove simultaneously, can drive first gear ring through the meshing of second gear and first gear ring simultaneously, and then drive first gear and threaded rod through the meshing of first gear ring and first gear, thereby being convenient for moving a plurality of positioning blocks through the thread cooperation of threaded rod and positioning block and extruding positioning groove lateral wall, thereby being convenient for improving the installation stability between pipeline.

[0037] 3. The utility model discloses a through the setting of limiting mechanism, after completing the butt joint of pipeline, the operator releases hand wheel, can make the one end of limiting block enter second limit groove under the action of supporting spring, thereby can realize the limiting of second gear through the cooperation of limiting block and first limit groove and second limit groove respectively, and then limit the position of positioning block, thereby avoiding the butt joint of pipeline body loose or falling off.

[0038] 4. The utility model discloses a through the setting of steel pipe body, sealing ring, installation ring, installation slot and fixed mechanism, is convenient for realizing the position adjustment of positioning block through the pulling and rotation of hand wheel, and then realizes the butt joint of pipeline body through the cooperation of positioning block and positioning groove and the cooperation between sealing ring and the lateral wall of installation slot, thereby solve the problem of low butt joint efficiency between two TPEP corrosion -resistant steel pipes in the prior art. ACCURACY OF DRAWINGS

[0039] The utility model will be explained further in detail below in combination with the drawings and specific embodiment.

[0040] Figure 1 It is structure schematic drawing of the utility model;

[0041] Figure 2 It is another visual angle structure schematic drawing of the utility model;

[0042] Figure 3 It is fixed mechanism place sectional view structure schematic drawing of the utility model;

[0043] Figure 4 It is the utility model Figure 3 It is local amplification structure schematic drawing of A place in the utility model;

[0044] Figure 5 It is second gear place sectional view structure schematic drawing of the utility model.

[0045] In the figure: 1, steel pipe body; 2, sealing ring; 3, sealing ring; 4, mounting ring; 5, mounting groove; 6, fixed ring; 7, positioning through groove; 8, positioning groove; 9, positioning block; 10, threaded rod; 11, first gear; 12, first tooth ring; 13, second gear; 14, hand wheel; 15, first limiting groove; 16, limiting column; 17, limiting block; 18, supporting spring. DETAILED DESCRIPTION

[0046] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0047] As Figures 1-5 shown, the embodiment provides a TPEP anti-corrosion steel pipe, which comprises a steel pipe body 1, a sealing ring 2, a mounting ring 4, a mounting groove 5 and a fixing mechanism, one end of the side wall of the steel pipe body 1 is fixedly provided with the sealing ring 2, the side wall of the sealing ring 2 is fixedly provided with a sealing ring 3, the mounting ring 4 is fixedly arranged at the other end of the side wall of the steel pipe body 1, the mounting groove 5 is arranged in the shape of a ring, the mounting groove 5 is arranged on the side wall of the sealing ring 2, and the fixing mechanism is arranged on the sealing ring 2 and used for mounting and fixing the sealing ring 2 and the mounting ring 4 between different steel pipe bodies 1.

[0048] Referring to Figures 1-4 , the fixing mechanism comprises a fixed ring 6, a positioning through groove 7, a positioning groove 8, a driving groove and a moving mechanism, the fixed ring 6 is fixedly arranged on the side wall of the sealing ring 2, a plurality of positioning through grooves 7 and positioning grooves 8 are arranged on the side wall of the fixed ring 6, a plurality of driving grooves are arranged on the side wall of the mounting groove 5, and a positioning block 9 is slidably arranged in the driving groove, wherein the positioning block 9 is matched with the positioning through groove 7 and the positioning groove 8 in shape, the moving mechanism is arranged on the mounting ring 4 and used for driving the positioning block 9 to move, after the positioning through groove 7 is aligned with the positioning block 9, the sealing ring 2 can be inserted into the mounting groove 5, then the positioning groove 8 can be aligned with the positioning block 9 by rotating the steel pipe body 1, and then the positioning block 9 can be inserted into the positioning groove 8 and press the fixed ring 6 by the working of the moving mechanism, so that the sealing between the mounting groove 5 and the sealing ring 2 can be realized through the sealing ring 3, and the sealing between the pipe bodies can be realized through the cooperation between the positioning block 9 and the positioning groove 8 and the cooperation between the mounting groove 5 and the mounting ring 4.

[0049] Referring to Figures 3-5The moving mechanism comprises a threaded rod 10, a first cavity and a synchronous rotating mechanism, the threaded rod 10 is rotationally arranged in the driving groove, the threaded rod 10 penetrates through the positioning block 9 through thread cooperation, the mounting ring 4 is provided with an annular first cavity, the synchronous rotating mechanism is arranged in the first cavity and is used for driving the plurality of threaded rods 10 to synchronously rotate, the synchronous rotating mechanism comprises a first gear 11, a first tooth ring 12 and a driving mechanism, a plurality of first gears 11 are rotationally arranged in the first cavity, the first gear 11 is fixedly connected with the threaded rod 10, the first tooth ring 12 is rotationally arranged in the first cavity, the first gear 11 is engaged with the first gear 11, the driving mechanism is arranged on the mounting ring 4 and is used for driving the first tooth ring 12 to rotate, the first tooth ring 12 can be driven to rotate through the working of the driving mechanism, the first gear 11 and the threaded rod 10 are driven to rotate through the engagement of the first tooth ring 12 and the first gear 11, so that the plurality of positioning blocks 9 can be driven to move and press the side wall of the positioning groove 8 through the thread cooperation of the threaded rod 10 and the positioning block 9, thereby facilitating the installation stability between the pipes.

[0050] The driving mechanism comprises a second gear 13, a hand wheel 14 and a limiting mechanism. The second gear 13 is rotatably arranged in the first cavity and is engaged with the first tooth ring 12. The hand wheel 14 is arranged on one side of the mounting ring 4. The limiting mechanism is arranged between the hand wheel 14 and the second gear 13 and is used for limiting the rotation angle of the second gear 13. The limiting mechanism comprises a first limiting slot 15, a second limiting slot, a limiting column 16, a limiting block 17 and a supporting spring 18. The first limiting slot 15 is formed on the second gear 13. A limiting opening is formed on the bottom of the first limiting slot 15 and penetrates through the second gear 13 and the mounting ring 4. The second limiting slot is formed on the side wall of the first cavity. The limiting column 16 is fixedly arranged on the hand wheel 14 and penetrates through the limiting opening and extends into the first limiting slot 15. The limiting block 17 is fixedly arranged on the limiting column 16 and is in sliding connection with the side wall of the first limiting slot 15. The supporting spring 18 is sleeved on the limiting column 16 and the two ends of the supporting spring 18 are in contact with the bottom of the first limiting slot 15 and the limiting block 17 respectively. The operator pulls the hand wheel 14, so that the limiting block 17 is retracted into the first limiting slot 15 through the limiting column 16. Then the operator rotates the hand wheel 14. The rotation of the hand wheel 14 drives the limiting column 16 and the limiting block 17 to rotate. At the same time, the second gear 13 is driven to rotate through the sliding cooperation between the limiting block 17 and the first limiting slot 15. At the same time, the first tooth ring 12 is driven to rotate through the engagement between the second gear 13 and the first tooth ring 12. After the butt joint between the pipe bodies is completed, the operator releases the hand wheel 14. One end of the limiting block 17 extends into the second limiting slot under the action of the supporting spring 18. The limiting of the second gear 13 is realized through the cooperation between the limiting block 17 and the first limiting slot 15 and the second limiting slot respectively. The position of the positioning block 9 is limited, so that the butt joint between the pipe bodies is avoided from loosening or falling off.

[0051] In the embodiment, in use, after the positioning groove 7 is aligned with the positioning block 9, the sealing ring 2 can be inserted into the mounting groove 5, then the steel pipe body 1 is rotated to align the positioning groove 8 with the positioning block 9, then the hand wheel 14 is pulled, so that the limiting column 16 drives the limiting block 17 to retract into the first limiting groove 15, then the hand wheel 14 is rotated, the rotation of the hand wheel 14 drives the limiting column 16 and the limiting block 17 to rotate, and the second gear 13 is driven to rotate through the sliding fit between the limiting block 17 and the first limiting groove 15, the first gear ring 12 is driven to rotate through the meshing between the second gear 13 and the first gear ring 12, the first gear ring 12 is driven to rotate through the meshing between the first gear ring 12 and the first gear 11, and the first gear 11 and the threaded rod 10 are driven to rotate, so that the plurality of positioning blocks 9 are driven to move and press the side wall of the positioning groove 8 through the threaded fit between the threaded rod 10 and the positioning block 9, the pipe is butt-jointed through the fit between the positioning block 9 and the positioning groove 8 and the fit between the sealing ring 2 and the side wall of the mounting groove 5, after the butt-joint between the pipe bodies is completed, the hand wheel 14 is loosened, one end of the limiting block 17 extends into the second limiting groove under the action of the supporting spring 18, the second gear 13 is limited through the fit between the limiting block 17 and the first limiting groove 15 and the second limiting groove, and the position of the positioning block 9 is limited, so that the butt-joint between the pipe bodies is prevented from loosening or falling off.

[0052] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A TPEP corrosion protected steel pipe characterized by, Include: Steel pipe body (1); Sealing ring (2), one end of the steel pipe body (1) side wall is provided with the sealing ring (2), the sealing ring (2) side wall is provided with sealing ring (3) fixedly; Mounting ring (4), the mounting ring (4) is fixedly arranged on the other end of the steel pipe body (1) side wall; Mounting groove (5), the mounting groove (5) is arranged in annular, the mounting groove (5) is set up on the sealing ring (2) side wall; Fixing mechanism, the fixing mechanism is arranged on the sealing ring (2), for the sealing ring (2) between different steel pipe body (1) and the mounting ring (4) are installed and fixed.

2. The TPEP corrosion protected steel pipe of claim 1, wherein, The fixing mechanism comprises: Fixed ring (6), the fixed ring (6) is fixedly arranged on the sealing ring (2) side wall; Positioning through slot (7) and positioning groove (8), the fixed ring (6) side wall is provided with a plurality of positioning through slot (7) and positioning groove (8); Drive slot, the mounting groove (5) side wall is provided with a plurality of drive slot, the drive slot is slidably provided with positioning block (9) in; Wherein, the positioning block (9) is respectively with the positioning through slot (7) and the positioning groove (8) shape is adapted; Moving mechanism, the moving mechanism is arranged on the mounting ring (4), for driving the positioning block (9) moves.

3. The TPEP corrosion protected steel pipe of claim 2, wherein, The moving mechanism comprises: Threaded rod (10), the threaded rod (10) is rotatably arranged in the drive slot, the threaded rod (10) is through thread cooperation and penetrates the positioning block (9); First cavity, the mounting ring (4) is provided with annular first cavity in; Synchronous rotation mechanism, the synchronous rotation mechanism is arranged in the first cavity, for driving a plurality of threaded rod (10) synchronous rotation.

4. The TPEP corrosion protected steel pipe of claim 3, wherein, The synchronous rotation mechanism comprises: First gear (11), a plurality of first gear (11) is rotatably arranged in the first cavity, the first gear (11) is fixedly connected with the threaded rod (10); First tooth ring (12), the first tooth ring (12) is rotatably arranged in the first cavity, the first gear (11) is engaged with the first gear (11); Drive mechanism, the drive mechanism is arranged on the mounting ring (4), for driving the first tooth ring (12) rotates.

5. The TPEP corrosion resistant steel pipe of claim 4, wherein, The drive mechanism comprises: Second gear (13), the second gear (13) is rotatably arranged in the first cavity, the second gear (13) is engaged with the first tooth ring (12); Hand wheel (14), the hand wheel (14) is arranged on one side of the mounting ring (4); Limiting mechanism, the limiting mechanism is arranged between the hand wheel (14) and the second gear (13), for the rotation angle of second gear (13) is limited.

6. The TPEP corrosion protected steel pipe of claim 5, wherein, The limiting mechanism comprises: First limiting slot (15), the first limiting slot (15) is set up on the second gear (13), the first limiting slot (15) groove bottom is provided with limiting port, the limiting port penetrates the second gear (13) and the mounting ring (4); A second limiting slot is arranged on the side wall of the first cavity; A limiting column (16) is fixedly arranged on the hand wheel (14), and the limiting column (16) penetrates through the limiting opening and extends into the first limiting slot (15); A limiting block (17) is fixedly arranged on the limiting column (16), and the limiting block (17) is in sliding connection with the side wall of the first limiting slot (15); A supporting spring (18) is sleeved on the limiting column (16), and the two ends of the supporting spring (18) are in contact with the bottom of the first limiting slot (15) and the limiting block (17) respectively.

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