Corrosion-resistant steel pipe convenient to connect

Abstract

The utility model relates to the technical field of anti-corrosion steel pipes, and discloses an anti-corrosion steel pipe convenient to connect, which comprises a first steel pipe, a second steel pipe is slidably sleeved on the inner wall of the first steel pipe, a first connecting ring is fixedly sleeved on the outer edge of the first steel pipe, and a second connecting ring is lapped on the side surface of the first connecting ring. And the inner wall of the second connecting ring is fixedly connected with the outer edge of the second steel pipe in a sleeving mode, and an auxiliary cylinder is fixedly assembled on the side face of the first connecting ring. The side face of a first steel pipe and the side face of a second steel pipe are in lap joint, then an adjusting rod is used for driving the outer edge of a limiting block to penetrate through the inner wall of a first sliding groove and the inner wall of a second sliding groove, then the outer edge of the limiting block is assisted to move into the inner wall of an auxiliary barrel, then the adjusting rod is rotated and loosened, and a second spring is used for pushing a circular plate in the inner wall of the auxiliary barrel; therefore, the circular plate pushes the outer edge of the limiting block to be in limiting butt joint with the inner wall of the limiting groove, and the side face of the first steel pipe and the side face of the second steel pipe are assisted in convenient butt joint.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anticorrosive steel pipe, specifically to an anticorrosive steel pipe convenient to connect. BACKGROUND

[0002] The anticorrosive steel pipe refers to the steel pipe which can resist the corrosion caused by chemical or electrochemical reaction in the transportation and use process after anticorrosion process treatment. In order to facilitate the connection of the anticorrosive steel pipe, a kind of anticorrosive steel pipe convenient to connect is needed.

[0003] The traditional anticorrosive steel pipe is fixed by flange ring when butt joint, then the side surfaces of adjacent steel pipes are butt jointed, and then the steel pipe is fixed by bolt and nut, but in the butt joint process of traditional anticorrosive steel pipe, a plurality of bolts need to be rotated, and then the installation efficiency of anticorrosive steel pipe is utilized. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an anticorrosive steel pipe convenient to connect to solve the problems raised in the above background art.

[0005] The utility model provides the following technical scheme: an anticorrosive steel pipe convenient to connect, including steel pipe one, the inner wall sliding sleeve of steel pipe one is connected with steel pipe two, the outer edge fixed sleeve of steel pipe one is connected with connecting ring one, the side surface of connecting ring one is overlapped with connecting ring two, and the inner wall of connecting ring two is fixed with the outer edge of steel pipe two, the side surface of connecting ring one is fixedly assembled with auxiliary cylinder, the side surface of connecting ring two is equipped with sliding groove one, the side surface of connecting ring one is equipped with sliding groove two, the inner wall of sliding groove two is equipped with limiting groove, the inner wall of steel pipe two is fixedly connected with air bag, the inner wall of steel pipe one is equipped with positioning arc type groove, the outer edge of air bag passes through the inner wall of steel pipe two and is matched with the inner wall of positioning arc type groove.

[0006] As a preferred technical scheme of the utility model, the side surface of the air bag is fixedly assembled with the limiting ring, and the outer edge of the limiting ring is slidingly connected with the inner wall of the steel pipe two, the outer edge of the limiting ring is slidingly connected with the inner wall of the steel pipe two, the side surface of the limiting ring is fixedly connected with the tension spring, and the end of the tension spring away from the limiting ring is fixedly connected with the side surface of the inner wall of the steel pipe two.

[0007] As a preferred technical scheme of the utility model, the inner wall of the adjusting frame is slidingly connected with the clamping block, and the side surface of the clamping block is slidingly connected with the side surface of the steel pipe two, the side surface of the clamping block is overlapped with the side surface of the limiting ring.

[0008] As a preferred technical scheme of the utility model, the side surface of the adjusting frame inner wall is fixedly connected with spring one, and the end of spring one away from the adjusting frame inner wall is fixedly connected with the side surface of the clamping block.

[0009] As a preferred technical scheme of the utility model, the side surface of the auxiliary cylinder inner wall is fixedly connected with spring two, and the end of spring two away from the auxiliary cylinder inner wall is fixedly connected with a circular plate, and the outer edge of the circular plate is slidably sleeved with the inner wall of the auxiliary cylinder.

[0010] As a preferred technical scheme of the utility model, the inner wall of the limiting groove is clamped with a limiting block, the side surface of the limiting block is fixedly assembled with an adjusting rod, and the shape and size of the outer edge of the limiting block are adapted to the shape and size of the inner wall of the second sliding groove and the shape and size of the inner wall of the first sliding groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、The anticorrosive steel pipe convenient to connect, through the cooperation of the connecting ring one and the connecting ring two, the side surface of the steel pipe one and the side surface of the steel pipe two are overlapped, then the side surface of the connecting ring one and the side surface of the connecting ring two are overlapped, then the outer edge of the limiting block is driven by the adjusting rod to pass through the inner wall of the first sliding groove and the inner wall of the second sliding groove, then the outer edge of the limiting block is moved to the inner wall of the auxiliary cylinder, then the adjusting rod is rotated, the outer edge of the limiting block is rotated in the inner wall of the auxiliary cylinder by the adjusting rod, then the adjusting rod is loosened, the circular plate is pushed in the inner wall of the auxiliary cylinder by the spring two, the outer edge of the limiting block is pushed by the circular plate and is limitedly connected with the inner wall of the limiting groove, then the side surface of the steel pipe one and the side surface of the steel pipe two are conveniently connected.

[0013] 2、The anticorrosive steel pipe convenient to connect, through the cooperation of the steel pipe one and the steel pipe two, the outer edge of the steel pipe two is slidably connected in the inner wall of the steel pipe one, then the limiting ring is moved to the inner wall of the steel pipe two, then the air bag is deformed in the inner wall of the steel pipe two by the limiting ring, then the outer edge of the air bag is connected with the inner wall of the positioning arc-shaped groove by passing through the inner wall of the steel pipe two, at this time, the clamping block is moved in the inner wall of the adjusting frame by the spring one, then the side surface of the clamping block limits the limiting ring, the inner wall of the positioning arc-shaped groove and the outer edge of the air bag are stably attached, then the connecting place of the steel pipe one and the steel pipe two is stably sealed, and the steel pipe one and the steel pipe two are further stably connected by the air bag and the positioning arc-shaped groove. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is the sectional structure schematic view of the utility model;

[0016] Figure 3 For the utility model Figure 2 The enlarged structural schematic view of position A in the middle;

[0017] Figure 4 For the utility model Figure 2 The enlarged structural schematic view of position B in the middle;

[0018] Figure 5 For the utility model partial disassembly structural schematic view.

[0019] In the drawing: 1, steel pipe one; 2, steel pipe two; 3, connecting ring one; 4, connecting ring two; 5, sliding groove one; 6, sliding groove two; 7, limiting groove; 8, adjusting rod; 9, limiting block; 10, auxiliary cylinder; 11, spring two; 12, round plate; 13, air bag; 14, positioning arc-shaped groove; 15, limiting ring; 16, adjusting frame; 17, clamping block; 18, spring one; 19, pull rod; 20, tension spring. Specific implementation

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-5 A kind of corrosion-resistant steel pipe convenient to connect, including steel pipe one 1, the inner wall of steel pipe one 1 sliding sleeve connection has steel pipe two 2, the outer edge of steel pipe one 1 is fixedly connected with connecting ring one 3, the side of connecting ring one 3 is overlapped with connecting ring two 4, and the inner wall of connecting ring two 4 is fixedly connected with the outer edge of steel pipe two 2, the side of connecting ring one 3 is fixedly equipped with auxiliary cylinder 10, the side of connecting ring two 4 is equipped with sliding groove one 5, the side of connecting ring one 3 is equipped with sliding groove two 6, the inner wall of sliding groove two 6 is equipped with limiting groove 7, the inner wall of steel pipe two 2 is fixedly connected with air bag 13, the inner wall of steel pipe one 1 is equipped with positioning arc-shaped groove 14, the outer edge of air bag 13 is fitted with the inner wall of positioning arc-shaped groove 14 through the inner wall of steel pipe two 2, by the cooperation of connecting ring two 4 and connecting ring one 3, using the side of steel pipe one 1 and steel pipe two 2 adjacent overlap, then the side of auxiliary connecting ring two 4 and connecting ring one 3 adjacent is overlapped, then the outer edge of limiting block 9 is limited with the inner wall of limiting groove 7 by adjusting rod 8, then the outer edge of adjusting rod 8 is used to assist the stable butt joint of connecting ring one 3 and connecting ring two 4, by the cooperation of air bag 13 and positioning arc-shaped groove 14, using the deformation of air bag 13 in the inner wall of steel pipe two 2, then the outer edge of air bag 13 is limited with the inner wall of positioning arc-shaped groove 14, then the connection of steel pipe one 1 and steel pipe two 2 is stably sealed.

[0022] In a preferred implementation, the side of the air bag 13 is fixedly equipped with a limiting ring 15, and the outer edge of the limiting ring 15 is slidingly sleeved with the inner wall of the steel pipe two 2, the outer edge of the steel pipe two 2 is fixedly equipped with an adjusting frame 16, the side of the limiting ring 15 is fixedly connected with a tension spring 20, and the end of the tension spring 20 away from the limiting ring 15 is fixedly connected with the side of the inner wall of the steel pipe two 2. Through the cooperation of the limiting ring 15 and the steel pipe two 2, the outer edge of the limiting ring 15 is used to slide in the inner wall of the steel pipe two 2, so as to push the air bag 13 to move, thereby ensuring that the outer edge of the air bag 13 is stably limited with the inner wall of the positioning arc-shaped groove 14. Through the installation of the tension spring 20, when the side of the clamping block 17 is separated from the side of the limiting ring 15, the tension spring 20 drives the limiting ring 15 to move, thereby ensuring that the outer edge of the air bag 13 is separated from the inner wall of the positioning arc-shaped groove 14, thereby assisting the separation of the steel pipe one 1 and the steel pipe two 2.

[0023] In a preferred implementation, the inner wall of the adjusting frame 16 is slidingly connected with a clamping block 17, the side of the clamping block 17 is slidingly connected with the side of the steel pipe two 2, and the side of the clamping block 17 is overlapped with the side of the limiting ring 15. Through the cooperation of the clamping block 17 and the adjusting frame 16, the side of the clamping block 17 is used to slide in the inner wall of the adjusting frame 16, so as to tightly adhere the side of the clamping block 17 to the side of the limiting ring 15, thereby assisting the outer edge of the limiting ring 15 to be stably limited in the inner wall of the steel pipe two 2, and further assisting the outer edge of the air bag 13 to be stably limited and attached to the inner wall of the positioning arc-shaped groove 14.

[0024] In a preferred implementation, the side of the inner wall of the adjusting frame 16 is fixedly connected with a spring one 18, the end of the spring one 18 away from the inner wall of the adjusting frame 16 is fixedly connected with the side of the clamping block 17, the side of the clamping block 17 is fixedly equipped with a pull rod 19, and the outer edge of the pull rod 19 is slidingly sleeved with the inner wall of the adjusting frame 16. Through the cooperation of the spring one 18 and the clamping block 17, the spring one 18 is used to push the clamping block 17 to move in the inner wall of the adjusting frame 16, thereby ensuring that the side of the clamping block 17 is stably limited to the limiting ring 15. Through the installation of the pull rod 19, the pull rod 19 is used to drive the clamping block 17 to be conveniently adjusted in position.

[0025] In a preferred implementation, the side of the inner wall of the auxiliary cylinder 10 is fixedly connected with a spring two 11, the end of the spring two 11 away from the inner wall of the auxiliary cylinder 10 is fixedly connected with a circular plate 12, and the outer edge of the circular plate 12 is slidingly sleeved with the inner wall of the auxiliary cylinder 10. Through the cooperation of the spring two 11 and the circular plate 12, the spring two 11 is used to push the circular plate 12 in the inner wall of the auxiliary cylinder 10, thereby pushing the outer edge of the limiting block 9 to be limited with the inner wall of the limiting groove 7 by the circular plate 12.

[0026] In one preferred implementation, the inner wall of the limiting groove 7 is clamped with the limiting block 9, the side surface of the limiting block 9 is fixedly assembled with the adjusting rod 8, the shape and size of the outer edge of the limiting block 9 are matched with the shape and size of the inner wall of the sliding groove two 6 and the shape and size of the inner wall of the sliding groove one 5, through the cooperation of the limiting block 9 and the adjusting rod 8, and then the adjusting rod 8 drives the limiting block 9 to conveniently adjust the position, so as to assist the convenient butt joint and disassembly of the steel pipe one 1 and the steel pipe two 2.

[0027] Working principle, when the device is used, the side surface of the steel pipe one 1 and the side surface of the steel pipe two 2 are overlapped, and then the side surface of the auxiliary connecting ring one 3 and the side surface of the auxiliary connecting ring two 4 are overlapped, then the outer edge of the limiting block 9 is driven by the adjusting rod 8 to pass through the inner wall of the sliding groove one 5 and the inner wall of the sliding groove two 6, until the outer edge of the limiting block 9 moves to the inner wall of the auxiliary cylinder 10, then the adjusting rod 8 is rotated and loosened, so that the spring two 11 pushes the circular plate 12 to move in the inner wall of the auxiliary cylinder 10, then the circular plate 12 pushes the outer edge of the limiting block 9 to limit the inner wall of the limiting groove 7, then the limiting ring 15 is moved to the direction of the steel pipe one 1, so that the limiting ring 15 drives the air bag 13 to deform in the inner wall of the steel pipe two 2, then the outer edge of the air bag 13 is matched with the inner wall of the positioning arc-shaped groove 14, so that the spring one 18 pushes the clamping block 17 to move in the inner wall of the adjusting frame 16, then the side surface of the clamping block 17 is tightly attached to the side surface of the limiting ring 15, so as to ensure the stable butt joint of the steel pipe one 1 and the steel pipe two 2, and ensure the stable sealing of the connection between the steel pipe one 1 and the steel pipe two 2.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A corrosion protected steel pipe for easy connection comprising a steel pipe (1) characterized in that: The inner wall of the steel pipe one (1) is sleeved with the steel pipe two (2), the outer edge of the steel pipe one (1) is fixedly sleeved with the connecting ring one (3), the side surface of the connecting ring one (3) is overlapped with the connecting ring two (4), and the inner wall of the connecting ring two (4) is fixedly sleeved with the outer edge of the steel pipe two (2), the side surface of the connecting ring one (3) is fixedly assembled with the auxiliary cylinder (10), the side surface of the connecting ring two (4) is provided with the sliding groove one (5), the side surface of the connecting ring one (3) is provided with the sliding groove two (6), the inner wall of the sliding groove two (6) is provided with the limiting groove (7), the inner wall of the steel pipe two (2) is fixedly sleeved with the air bag (13), the inner wall of the steel pipe one (1) is provided with the positioning arc-shaped groove (14), and the outer edge of the air bag (13) is fitted with the inner wall of the positioning arc-shaped groove (14) through the inner wall of the steel pipe two (2).

2. A corrosion resistant steel pipe for easy connection according to claim 1, characterized in that: The side surface of the air bag (13) is fixedly assembled with the limiting ring (15), and the outer edge of the limiting ring (15) is slidably sleeved with the inner wall of the steel pipe two (2), the outer edge of the limiting ring (15) is fixedly assembled with the adjusting frame (16), and the side surface of the limiting ring (15) is fixedly connected with the tension spring (20), and one end of the tension spring (20) away from the limiting ring (15) is fixedly connected with the side surface of the inner wall of the steel pipe two (2).

3. A corrosion resistant steel pipe for easy connection according to claim 2, characterized in that: The inner wall of the adjusting frame (16) is slidably connected with the clamping block (17), and the side surface of the clamping block (17) is slidably connected with the side surface of the steel pipe two (2), and the side surface of the clamping block (17) is overlapped with the side surface of the limiting ring (15).

4. A corrosion resistant steel pipe for easy connection according to claim 3, characterized in that: The side surface of the inner wall of the adjusting frame (16) is fixedly connected with the spring one (18), and one end of the spring one (18) away from the inner wall of the adjusting frame (16) is fixedly connected with the side surface of the clamping block (17), the side surface of the clamping block (17) is fixedly assembled with the pull rod (19), and the outer edge of the pull rod (19) is slidably sleeved with the inner wall of the adjusting frame (16).

5. A corrosion resistant steel pipe for easy connection according to claim 1, characterized in that: The side surface of the inner wall of the auxiliary cylinder (10) is fixedly connected with the spring two (11), one end of the spring two (11) away from the inner wall of the auxiliary cylinder (10) is fixedly connected with the circular plate (12), and the outer edge of the circular plate (12) is slidably sleeved with the inner wall of the auxiliary cylinder (10).

6. A corrosion resistant steel pipe for easy connection according to claim 1, characterized in that: The inner wall of the limiting groove (7) is clamped with the limiting block (9), the side surface of the limiting block (9) is fixedly assembled with the adjusting rod (8), and the outer edge of the limiting block (9) is adapted in size and shape to the inner wall of the sliding groove two (6) and the inner wall of the sliding groove one (5).

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