Composite rubber-lined pipeline

Abstract

The utility model discloses a composite rubber-lined pipeline, and relates to the technical field of rubber-lined pipelines. According to the composite rubber lined pipeline, by arranging the pipeline bodies, the connecting flanges, the positioning sleeve plates and the like, when the two pipeline bodies are connected and installed, butt joint between the two pipeline bodies is facilitated through lap joint stress of the positioning sleeve plates, lap joint plates enter the positioning grooves, the ends of the two pipeline bodies are aligned, and bolt fixing parts are convenient to install; by arranging a protective cover, a sealing seat and the like, after the pipeline body is installed, a first cover body and a second cover body are moved, so that a threaded connecting seat and a threaded connecting sleeve are in butt joint with each other and are in threaded connection, the protective cover is formed to conduct airtight isolation on the connecting position, and the protective cover and the sealing seat are attached to improve the sealing performance; and the influence of the external environment on the bolt fixing piece is reduced, the bolt fixing piece is prevented from being damaged or corroded to affect disassembly of the pipeline body, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber-lined pipes, in particular to a composite rubber-lined pipe. Background Art

[0002] Rubber lined pipe is a kind of pipe with steel or hard structure as the external pipe skeleton, and wear-resistant, corrosion-resistant and high-temperature resistant rubber as the lining layer. The physical and chemical properties of rubber itself reduce the effects of pipeline conveying medium on the external structure, such as impact force and corrosion. Due to the buffering effect of rubber, the service life of the pipeline is greatly extended, reducing the cost of users.

[0003] For example, publication number CN214384282U discloses a composite wear-resistant rubber-lined pipe, and its technical solution is: comprising a first rubber-lined pipe and a pipe sealing mechanism, wherein both ends of the first rubber-lined pipe are fixedly connected with a pipe sealing mechanism, wherein the pipe sealing mechanism comprises a third rubber-lined pipe, wherein the outer surface of the third rubber-lined pipe is fixedly connected with a flange, and the inner wall of the third rubber-lined pipe is provided with a second rubber-lined pipe. The composite wear-resistant rubber-lined pipe has the following beneficial effects: by providing a pipe sealing mechanism, the sealing of the rubber-lined pipe at the interface is effectively sealed, and the second rubber-lined pipe is placed inside the third rubber-lined pipe, and the second rubber-lined pipe has the same diameter and material as the first rubber-lined pipe, and the second rubber-lined pipe is placed inside the connected third rubber-lined pipe, and then fixed by a flange to achieve sealing at the interface, and a support fixing block and a support frame are provided to facilitate the fixing and supporting of the pipe;

[0004] The composite rubber lined pipe in this patent is connected by a flange structure, so when the pipe is butt-fixed, the flanges at both ends need to be aligned and fixed by bolts. However, the pipe is heavy, which makes the alignment of the two ends inconvenient, time-consuming and labor-intensive. At the same time, the bolts are directly exposed to the outside and are easily damaged by corrosion, affecting the stability of the connection. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a composite rubber lined pipe, which solves the problem that the pipe is heavy, resulting in inconvenience and time-consuming and labor-intensive alignment of the two ends, and that the bolts are directly exposed to the outside and are easily damaged by corrosion, thus affecting the stability of the connection.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a composite rubber lined pipe, comprising a pipe body, the left and right ends of the pipe body are fixedly connected with connecting flanges, the connecting flanges are provided with bolt fixings, the outer side of the connecting flange surface is provided with a positioning sleeve, the outer side of the connecting flange is provided with a protective cover, and the surface of the pipe body is located at the side of the connecting flange and is fixedly connected with a sealing seat;

[0007] The pipeline body is composed of an outer tube layer and an inner village rubber layer, a protective barrier is arranged between the outer tube layer and the inner village rubber layer, and the protective barrier is composed of a ceramic fire-resistant layer and a sound insulation cotton layer.

[0008] Preferably, bolt holes are provided on the surface of the connecting flange, the bolt holes are distributed in a circular array, and the bolt fixing members correspond to the bolt holes one by one.

[0009] Preferably, the positioning sleeve is composed of a positioning seat 1 and a positioning seat 2, the positioning seat 1 and the positioning seat 2 are respectively located on the left and right sides of the pipeline body, and the positioning seat 1 and the positioning seat 2 are respectively fixedly connected to the connecting flange.

[0010] Preferably, a lap plate is fixedly connected to one end of the positioning seat away from the connecting flange, a positioning groove is opened on the surface of one end of the positioning seat away from the connecting flange, the lap plates are distributed in a ring array, and the lap plates and the positioning grooves are adapted.

[0011] Preferably, the protective cover is composed of a first cover body and a second cover body, the first cover body and the second cover body are respectively sleeved with the left and right ends of the pipe body, and the cross-sections of the first cover body and the second cover body are both L-shaped.

[0012] Preferably, a threaded connection seat is provided at the right end of the first cover body, and a threaded connection sleeve is provided at the left end of the second cover body, and the threaded connection seat and the threaded connection sleeve are threadedly connected.

[0013] Preferably, two sealing seats are symmetrically arranged at the left and right ends of the pipeline body, and the two sealing seats are respectively fitted and connected to the first cover body and the second cover body. Beneficial Effects

[0014] The utility model provides a composite rubber-lined pipe. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The composite rubber lined pipe is provided with a pipe body, a connecting flange and a positioning sleeve, etc. When two pipe bodies are connected and installed, the lap force of the positioning sleeve is used to facilitate the butt joint between the two pipe bodies, and the lap plate is inserted into the positioning groove, so that the ends of the two pipe bodies are aligned, which is convenient for the installation of bolt fixings and improves convenience.

[0016] 2. The composite rubber lined pipe is provided with a protective cover and a sealing seat. After the pipe body is installed, the first cover body and the second cover body are moved so that the threaded connection seat and the threaded connection sleeve are butted against each other and threadedly connected, thereby forming a protective cover to seal and isolate the connection. The protective cover and the sealing seat fit together to increase the sealing performance, reduce the influence of the external environment on the bolt fixings, avoid damage or corrosion of the bolt fixings, and affect the disassembly of the pipe body, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic diagram of the semi-sectioned three-dimensional structure of the utility model.

[0019] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the positioning sleeve of the utility model.

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the protective cover of the utility model.

[0022] In the figure: 1. Pipe body; 11. Outer pipe layer; 12. Inner rubber layer; 13. Protective barrier; 2. Connecting flange; 21. Bolt hole; 3. Bolt fixing piece; 4. Positioning sleeve; 41. Positioning seat 1; 42. Positioning seat 2; 43. Overlap plate; 44. Positioning groove; 5. Protective cover; 51. First cover body; 52. Second cover body; 53. Threaded connection seat; 54. Threaded connection sleeve; 6. Sealing seat. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides a technical solution: a composite rubber lined pipe, comprising a pipe body 1, the pipe body 1 is composed of an outer pipe layer 11 and an inner village rubber layer 12, a protective barrier 13 is arranged between the outer pipe layer 11 and the inner village rubber layer 12, the protective barrier 13 is composed of a ceramic fire-resistant layer and a sound insulation cotton layer, the left and right ends of the pipe body 1 are fixedly connected with connecting flanges 2, the connecting flanges 2 are provided with bolt fixings 3, the surface of the connecting flanges 2 is provided with bolt holes 21, the bolt holes 21 are distributed in a circular array, the bolt fixings 3 and the bolt holes 21 correspond one to one, when two pipe bodies 1 are butt-jointed and installed, the connecting flanges 2 at the ends are butt-jointed, and the bolt fixings 3 are installed in the bolt holes 21 for connection and fixing, and at the same time, the protective barrier 13 is arranged inside the overall pipe body 1 to increase the fire resistance and sound insulation effects;

[0025] A positioning sleeve 4 is arranged on the outer side of the surface of the connecting flange 2. The positioning sleeve 4 is composed of a positioning seat 1 41 and a positioning seat 2 42. The positioning seat 1 41 and the positioning seat 2 42 are respectively located on the left and right sides of the pipeline body 1, and the positioning seat 1 41 and the positioning seat 2 42 are respectively fixedly connected to the connecting flange 2. A lap plate 43 is fixedly connected to the end of the positioning seat 1 41 away from the connecting flange 2. A positioning groove 44 is provided on the surface of the end of the positioning seat 2 42 away from the connecting flange 2. The lap plates 43 are distributed in a circular array. The lap plates 43 and the positioning grooves 44 are adapted. When the ends of the pipeline body 1 are butt-jointed, the positioning seat 1 41 and the positioning seat 2 42 are butt-jointed. The lap plates 43 are overlapped in the positioning grooves 44, which is convenient for limiting the butt joint of the pipeline body 1 and aligning, thereby improving convenience.

[0026] A protective cover 5 is arranged on the outer side of the connecting flange 2. The protective cover 5 is composed of a first cover body 51 and a second cover body 52. ​​The first cover body 51 and the second cover body 52 are respectively sleeved with the left and right ends of the pipe body 1. The cross-sections of the first cover body 51 and the second cover body 52 are both L-shaped. A threaded connection seat 53 is arranged on the right end of the first cover body 51, and a threaded connection sleeve 54 is arranged on the left end of the second cover body 52. ​​The threaded connection seat 53 and the threaded connection sleeve 54 are threadedly connected. The surface of the pipe body 1 is located on the side of the connecting flange 2 and is fixedly connected with a sealing seat 6. The sealing seat 6 is located at the side of the connecting flange 2. Two sealing seats 6 are symmetrically arranged at the left and right ends of the pipe body 1, and the two sealing seats 6 are respectively connected to the first cover body 51 and the second cover body 52. ​​After the pipe body 1 is installed, the first cover body 51 and the second cover body 52 are moved to make the threaded connection seat 53 and the threaded connection sleeve 54 dock with each other and threadedly connected to form a protective cover 5 to seal and isolate the connection. The protective cover 5 and the sealing seat 6 are fitted together to increase the sealing performance, reduce the influence of the external environment on the bolt fixing part 3, avoid damage or corrosion of the bolt fixing part 3, and affect the disassembly of the pipe body 1, thereby improving practicality.

[0027] During operation, when two pipe bodies 1 are butt-jointed and installed, the connecting flanges 2 at the ends are butt-jointed, and bolt fixings 3 are installed in the bolt holes 21 for connection and fixing. At the same time, a protective barrier 13 is provided inside the overall pipe body 1 to increase the fire resistance and sound insulation effects. When the ends of the pipe bodies 1 are butt-jointed, the positioning seat 1 41 and the positioning seat 2 42 are butt-jointed, and the lap plate 43 is overlapped in the positioning groove 44, which is convenient for limiting the butt joint of the pipe bodies 1 and aligning, thereby improving convenience. After the pipe bodies 1 are installed, the first cover body 51 and the second cover body 52 are moved so that the threaded connection seat 53 and the threaded connection sleeve 54 are butt-jointed with each other and threadedly connected to form a protective cover 5 to seal and isolate the connection. The protective cover 5 and the sealing seat 6 fit together to increase the sealing, reduce the influence of the external environment on the bolt fixings 3, avoid damage or corrosion of the bolt fixings 3, and affect the disassembly of the pipe body 1, thereby improving practicality.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A composite rubber lined pipe, comprising a pipe body (1), characterized in that: The left and right ends of the pipeline body (1) are fixedly connected to connecting flanges (2), the connecting flanges (2) are provided with bolt fixing members (3), a positioning sleeve (4) is provided on the outer side of the surface of the connecting flange (2), a protective cover (5) is provided on the outer side of the connecting flange (2), and a sealing seat (6) is fixedly connected to the surface of the pipeline body (1) at the side of the connecting flange (2); The pipeline body (1) is composed of an outer tube layer (11) and an inner rubber layer (12), a protective barrier layer (13) is provided between the outer tube layer (11) and the inner rubber layer (12), and the protective barrier layer (13) is composed of a ceramic fire-resistant layer and a sound insulation cotton layer.

2. The composite rubber lined pipe according to claim 1, characterized in that: Bolt holes (21) are provided on the surface of the connecting flange (2), the bolt holes (21) are distributed in a circular array, and the bolt fixing members (3) correspond to the bolt holes (21) one by one.

3. The composite rubber lined pipe according to claim 1, characterized in that: The positioning sleeve (4) is composed of a positioning seat 1 (41) and a positioning seat 2 (42), wherein the positioning seat 1 (41) and the positioning seat 2 (42) are respectively located on the left and right sides of the pipeline body (1), and the positioning seat 1 (41) and the positioning seat 2 (42) are respectively fixedly connected to the connecting flange (2).

4. The composite rubber lined pipe according to claim 3, characterized in that: A lap plate (43) is fixedly connected to one end of the positioning seat 1 (41) away from the connecting flange (2), and a positioning groove (44) is provided on the surface of one end of the positioning seat 2 (42) away from the connecting flange (2). The lap plates (43) are distributed in a ring array, and the lap plates (43) and the positioning grooves (44) are adapted to fit.

5. The composite rubber lined pipe according to claim 1, characterized in that: The protective cover (5) is composed of a first cover body (51) and a second cover body (52); the first cover body (51) and the second cover body (52) are respectively sleeved on the left and right ends of the pipeline body (1); and the cross-sections of the first cover body (51) and the second cover body (52) are both L-shaped in structure design.

6. The composite rubber lined pipe according to claim 5, characterized in that: A threaded connection seat (53) is provided at the right end of the first cover body (51), and a threaded connection sleeve (54) is provided at the left end of the second cover body (52); the threaded connection seat (53) and the threaded connection sleeve (54) are threadedly connected.

7. The composite rubber lined pipe according to claim 6, characterized in that: Two sealing seats (6) are symmetrically arranged at the left and right ends of the pipeline body (1), and the two sealing seats (6) are respectively fitted and connected to the first cover body (51) and the second cover body (52).

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