Reinforced spiral steel pipe

Abstract

A reinforced spiral steel pipe comprises a main body, spiral threads are arranged on the outer side face of the main body, a first flange plate is arranged at the left end of the main body, the first flange plate is fixedly connected with the left end of the main body, a second flange plate is arranged at the right end of the main body, and the second flange plate is fixedly connected with the right end of the main body. A plurality of slotted holes are formed in the first flange plate and the second flange plate, a material layer is arranged on the inner side of the main body, the material layer is sequentially composed of a base steel layer, an anti-corrosion layer and a sealing layer from outside to inside, connecting assemblies are arranged at the two ends of the main body, and each connecting assembly comprises a fixing ring and a connecting ring. Different spiral steel pipes are rapidly connected and fixed through rotation dislocation between the annular grooves and the positioning blocks on the connecting assemblies, meanwhile, the situation that the spiral steel pipes connected through the first flange plate and the second flange plate originally are difficult to disassemble due to corrosion after being used for a long time is avoided, and the convenience of installation and maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spiral steel pipe related technical field, specifically related to a reinforced spiral steel pipe. BACKGROUND

[0002] With the acceleration of industrialization and urbanization process, the demand for large pipeline system is increasing, which prompts steel pipe manufacturers to seek higher performance pipe to meet market demand, and the reinforced spiral steel pipe is a kind of pipe material on the basis of traditional spiral steel pipe through special design and manufacturing process improvement, to improve its mechanical properties and adaptability to specific working environment. However, the common spiral steel pipe is connected through flange plate, which is not only complex to install, but also difficult to disassemble due to corrosion after long-term use. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a reinforced spiral steel pipe to solve the problem of the common spiral steel pipe connected through flange plate in the prior art, which is not only complex to install, but also difficult to disassemble due to corrosion after long-term use.

[0004] To achieve the above object, the utility model provides the following technical scheme.

[0005] A reinforced spiral steel pipe, comprising:

[0006] A main body, the outer side of the main body is provided with a spiral thread, the left end of the main body is provided with a first flange plate, the first flange plate is fixedly connected with the left end of the main body, the right end of the main body is provided with a second flange plate, the second flange plate is fixedly connected with the right end of the main body, a plurality of slot holes are arranged on the first flange plate and the second flange plate, the inner side of the main body is provided with a material layer, the material layer is composed of a base steel layer, a corrosion-resistant layer and a sealing layer from outside to inside in sequence, the two ends of the main body are provided with a connecting assembly, and the connecting assembly comprises a fixing ring and a connecting ring.

[0007] As an optional implementation, the first flange plate at the left end of the main body is replaced by a fixing ring, the inner side of the fixing ring is provided with an annular groove, the right inner wall of the annular groove is provided with a sealing ring, and the left side of the annular groove is provided with a circular hole in a corresponding manner.

[0008] As an optional implementation, the circular hole and the annular groove are communicated, the left side of the annular groove is provided with a square port in a corresponding manner, and the square port is communicated with the inner annular surface of the fixing ring and the left surface of the annular groove.

[0009] As an optional embodiment, the second flange at the right end of the main body is replaced by a connecting ring, and a corresponding cavity is provided on the connecting ring. Openings are provided on the left and right sides of the cavity. The cavity is provided with a round rod, and the rod body of the round rod is provided with a limiting ring. The limiting ring is located in the cavity and can only slide in the cavity. A square is provided at the right end of the round rod.

[0010] As an optional embodiment, a plug-in ring is provided at the right end of the connecting ring, the diameter of the outer ring of the plug-in ring is consistent with the diameter of the inner ring of the fixed ring, and a corresponding positioning block is provided on the outer side of the plug-in ring, and the positioning block can pass through the square opening into the annular groove.

[0011] As an optional embodiment, a hollow cavity is provided in the positioning block, an opening is provided on the left side of the hollow cavity, an internal thread is provided on the right inner wall of the hollow cavity, and a disc is provided in the hollow cavity.

[0012] As an optional embodiment, the disc can only slide in the hollow cavity, an external thread is provided on the right side of the disc, the disc can be screwed to the internal thread to the right and fixed, and the disc can slide freely to the left side, a spring is provided at the right end of the disc, a fixing rod is provided at the left end of the disc, the fixing rod can pass through the opening on the left side of the hollow cavity, a groove is provided at the left end of the fixing rod, and a block can be inserted into the groove.

[0013] As an optional embodiment, the outer sides of the fixing ring and the connecting ring are both covered with circular rings, the inner sides of the circular rings are fixedly connected to the outer sides of the fixing ring and the connecting ring through multiple connecting blocks, the inner sides of the circular rings are provided with multiple circular grooves, and the circular grooves and the connecting blocks are staggered.

[0014] Compared with the prior art, the present invention provides a reinforced spiral steel pipe with the following beneficial effects:

[0015] 1. Quick installation: By utilizing the rotational misalignment between the annular groove and the positioning block on the connecting assembly, different spiral steel pipes can be quickly connected and fixed. At the same time, it avoids the difficulty of disassembly due to corrosion of the spiral steel pipes originally connected by the first flange and the second flange after long-term use, thereby improving the convenience of installation and maintenance.

[0016] 2. Easy to move: By adding a circular ring on the outside of the fixing ring and the connecting ring, the rope or hook is fixed in the circular groove on the circular ring when in use, making the movement of the spiral steel pipe more convenient and safer. At the same time, the circular groove can prevent the rope hook from being displaced during use, causing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 2 It is a front view cross-sectional plane structure schematic diagram of the utility model.

[0019] Figure 3 It is a left view cross-sectional plane structure schematic diagram of the utility model.

[0020] Figure 4 It is a front view cross-sectional plane structure schematic diagram of the utility model in splicing state.

[0021] Figure 5 It is a front view cross-sectional plane structure schematic diagram of the utility model of hollow cavity.

[0022] Figure 6 It is a three-dimensional structure schematic diagram of the utility model prototype.

[0023] Figure 7 It is a left view cross-sectional plane structure schematic diagram of the material layer of the utility model.

[0024] In the drawing: 1, main body; 2, helical thread; 3, first flange plate; 4, second flange plate; 5, slot hole; 6, material layer; 7, base steel layer; 8, anticorrosion layer; 9, sealing layer; 10, fixed ring; 11, annular groove; 12, sealing ring; 13, round hole; 14, connecting ring; 15, cavity; 16, round rod; 17, limiting ring; 18, square block; 19, plug-in ring; 20, positioning block; 21, hollow cavity; 22, internal thread; 23, disc; 24, external thread; 25, spring; 26, fixed rod; 27, groove; 28, square port; 29, circular ring; 30, connecting block; 31, round groove. DETAILED DESCRIPTION

[0025] 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, 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 work fall within the protection scope of the utility model.

[0026] The utility model provides a kind of as Figures 1-7 Indicated in

[0027] The utility model provides a reinforced spiral steel pipe, including the main body 1, the outer side of main body 1 is equipped with spiral 2, the left end of main body 1 is equipped with first flange plate 3, and first flange plate 3 and the left end of main body 1 fixedly connected, the right end of main body 1 is equipped with second flange plate 4, and second flange plate 4 and the right end of main body 1 fixedly connected, a plurality of slot holes 5 are equipped on first flange plate 3 and second flange plate 4, a plurality of slot holes 5 are used to connect first flange plate 3 and second flange plate 4, the inside of main body 1 is equipped with material layer 6, material layer 6 is sequentially composed of base steel layer 7, anticorrosive layer 8 and sealing layer 9 from outside to inside, and base steel layer 7, anticorrosive layer 8 and sealing layer 9 are fixedly connected, and the both ends of main body 1 are equipped with connecting assembly, and connecting assembly is used to quickly connect and fix different spiral steel pipes, avoids the corrosion of the connecting place of spiral steel pipe after long time use, improves the convenience, and connecting assembly includes fixed ring 10 and connecting ring 14.

[0028] As Figure 1 and Figure 2 shown, the first flange plate 3 of the left end of main body 1 is replaced into fixed ring 10, and the left end of fixed ring 10 and main body 1 are integrally fixedly connected, and the inner side of fixed ring 10 is equipped with annular groove 11, and the right side inner wall of annular groove 11 is equipped with sealing ring 12, and sealing ring 12 is used to seal when connecting different spiral steel pipes, to prevent leakage. Figure 3 As shown, the left side of annular groove 11 is correspondingly provided with round hole 13, and round hole 13 is communicated with annular groove 11, and the left side of annular groove 11 is correspondingly provided with square mouth 28, and square mouth 28 is communicated with the inner ring surface of fixed ring 10 and the left side of annular groove 11. Figure 1 and Figure 2 As shown, the second flange plate 4 of the right end of main body 1 is replaced into connecting ring 14, and the right end of connecting ring 14 and main body 1 are integrally fixedly connected, and the inner and outer ring diameters of connecting ring 14 are consistent with the inner and outer ring diameters of fixed ring 10, and connecting ring 14 is equipped with corresponding cavity 15, and the left side and the right side of cavity 15 are equipped with opening, and cavity 15 is equipped with round rod 16, and the left end of round rod 16 can pass through the left side opening of cavity 15, and the right end of round rod 16 can pass through the right side opening of cavity 15. Figure 4 and Figure 5 As shown, the rod body of round rod 16 is equipped with a sleeve limiting ring 17, and the rod body of round rod 16 is fixedly connected with the limiting ring 17, and the limiting ring 17 is located in the cavity 15 and can only slide or rotate in the cavity 15, and the right end of the round rod 16 is provided with a square block 18, and the right end of the round rod 16 is fixedly connected with the square block 18. Figure 4 and Figure 5As shown, the right end of the connecting ring 14 is provided with a plug-in ring 19, which is integrally connected with the right end of the connecting ring 14, the diameter of the outer ring of the plug-in ring 19 is consistent with the diameter of the inner ring of the fixed ring 10, the outer side of the plug-in ring 19 is provided with corresponding positioning blocks 20, the two positioning blocks 20 and the cavity 15 are in a straight line, the two positioning blocks 20 and the outer side of the plug-in ring 19 are fixedly connected, and the two positioning blocks 20 can pass through the square port 28 into the annular groove 11. Figure 4 and Figure 5 As shown, the positioning block 20 is provided with a hollow cavity 21, the left side of the hollow cavity 21 is provided with an opening, the opening on the left side of the hollow cavity 21 and the opening on the right side of the cavity 15 are in a straight line, the circular rod 16 can be inserted into the hollow cavity 21 by sliding to the right, the right inner wall of the hollow cavity 21 is provided with an internal thread 22, and the hollow cavity 21 is provided with a disc 23. The disc 23 can only slide in the hollow cavity 21, the right end of the disc 23 is provided with an external thread 24, the disc 23 can be fixed on the internal thread 22 by screwing to the right side through the external thread 24, the disc 23 can slide freely to the left side, the right end of the disc 23 is provided with a spring 25, the left end of the disc 23 is provided with a fixed rod 26, the right end of the fixed rod 26 is fixedly connected with the left end of the disc 23, the fixed rod 26 can pass through the opening on the left side of the hollow cavity 21, the diameter of the fixed rod 26 is smaller than the diameter of the circular hole 13, and the left end of the fixed rod 26 is provided with a groove 27, and the groove 27 can insert the block 18. In use, first, the positioning blocks 20 on the plug-in ring 19 of one spiral steel pipe are aligned with the square port 28 on the fixed ring 10 of another spiral steel pipe, then the plug-in ring 19 is inserted into the fixed ring 10, then the circular rod 16 is pushed to the right, and the block 18 is aligned and inserted into the groove 27, then the circular rod 16 is continuously screwed and pushed to the right, so that the circular rod 16 abuts against the fixed rod 26 to screw the right end of the disc 23 on the internal thread 22, then the circular rod 16 is moved to the left, at this time the fixed rod 26 is hidden in the hollow cavity 21, then the connecting ring 14 is rotated to align the left opening of the hollow cavity 21 with the circular hole 13, then the block 18 at the right end of the circular rod 16 is pushed into the groove 27, and the disc 23 is screwed out, finally the circular rod 16 is moved to the left, and the spring 25 pushes the fixed rod 26 into the circular hole 13 to be fixed. Through this setting, different spiral steel pipes can be quickly connected and fixed, and at the same time, the spiral steel pipes connected by the first flange plate 3 and the second flange plate 4 can be easily disassembled after long-term use due to corrosion, and the convenience of installation and maintenance is improved.

[0029] As shown, Figure 1 and Figure 3As shown, the outer sides of the fixing ring 10 and the connecting ring 14 are sleeved with a circular ring 29, the inner side of the circular ring 29 is fixedly connected with the outer sides of the fixing ring 10 and the connecting ring 14 through a plurality of connecting blocks 30, the inner side of the circular ring 29 is provided with a plurality of circular grooves 31, and the circular grooves 31 and the connecting blocks 30 are arranged staggeredly. In use, the rope or hook can be fixed in the circular grooves 31 on the circular ring 29, and through the arrangement, the movement of the spiral steel pipe is more convenient and safe, and meanwhile, the rope or hook can be prevented from being displaced to cause a hidden danger in use through the circular grooves 31.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A reinforced spiral steel pipe, characterized in that: include: A main body (1), wherein the outer side surface of the main body (1) is provided with a spiral pattern (2), the left end of the main body (1) is provided with a first flange (3), the first flange (3) and the left end of the main body (1) are fixedly connected, the right end of the main body (1) is provided with a second flange (4), the second flange (4) and the right end of the main body (1) are fixedly connected, the first flange (3) and the second flange (4) are provided with a plurality of slots (5), the inner side of the main body (1) is provided with a material layer (6), the material layer (6) is composed of a base steel layer (7), an anti-corrosion layer (8) and a sealing layer (9) from the outside to the inside, and connecting components are provided at both ends of the main body (1), and the connecting components include a fixing ring (10) and a connecting ring (14).

2. The reinforced spiral steel pipe according to claim 1, characterized in that: The first flange (3) at the left end of the main body (1) is replaced with a fixing ring (10), an annular groove (11) is provided on the inner side of the fixing ring (10), a sealing ring (12) is provided on the right inner wall of the annular groove (11), and circular holes (13) are provided on the upper and lower corresponding sides of the left side of the annular groove (11).

3. The reinforced spiral steel pipe according to claim 2, characterized in that: The circular hole (13) is connected to the annular groove (11), and a square opening (28) is provided on the left side of the annular groove (11) in a corresponding manner. The square opening (28) is connected to the inner ring surface of the fixing ring (10) and the left side of the annular groove (11).

4. The reinforced spiral steel pipe according to claim 3, characterized in that: The second flange (4) at the right end of the main body (1) is replaced by a connecting ring (14), and a corresponding cavity (15) is provided on the connecting ring (14). The left and right sides of the cavity (15) are both provided with openings. The cavity (15) is provided with a round rod (16), and the rod body of the round rod (16) is provided with a limiting ring (17). The limiting ring (17) is located in the cavity (15) and can only slide in the cavity (15). The right end of the round rod (16) is provided with a block (18).

5. The reinforced spiral steel pipe according to claim 4, characterized in that: The right end of the connecting ring (14) is provided with a plug-in ring (19), the diameter of the outer ring of the plug-in ring (19) is consistent with the diameter of the inner ring of the fixing ring (10), and the outer side surface of the plug-in ring (19) is provided with a corresponding positioning block (20), and the positioning block (20) can pass through the square opening (28) and enter the annular groove (11).

6. The reinforced spiral steel pipe according to claim 5, characterized in that: A hollow cavity (21) is provided in the positioning block (20), an opening is provided on the left side of the hollow cavity (21), an internal thread (22) is provided on the right inner wall of the hollow cavity (21), and a disc (23) is provided in the hollow cavity (21).

7. The reinforced spiral steel pipe according to claim 6, characterized in that: The disc (23) can only slide in the hollow cavity (21). The right side of the disc (23) is provided with an external thread (24). The disc (23) can be screwed to the internal thread (22) to the right and fixed. The disc (23) can slide freely to the left. The right end of the disc (23) is provided with a spring (25). The left end of the disc (23) is provided with a fixing rod (26). The fixing rod (26) can pass through the opening on the left side of the hollow cavity (21). The left end of the fixing rod (26) is provided with a groove (27). The block (18) can be inserted into the groove (27).

8. The reinforced spiral steel pipe according to claim 7, characterized in that: The outer sides of the fixing ring (10) and the connecting ring (14) are both covered with circular rings (29), the inner side of the circular ring (29) is fixedly connected to the outer side surfaces of the fixing ring (10) and the connecting ring (14) via a plurality of connecting blocks (30), the inner side of the circular ring (29) is provided with a plurality of circular grooves (31), and the circular grooves (31) and the connecting blocks (30) are staggered.

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