阅读说明：本技术 一种抗压波纹管 (Pressure-resistant corrugated pipe ) 是由 杜华为 王明 于 2020-07-06 设计创作，主要内容包括：本发明涉及管道领域,具体的说是一种抗压波纹管,包括内管体、外管体、管道连接件和管枕组件组成,所述外管体设置在内管体的外管壁上,所述管道连接件设置在内管体的一端,通过设置的炭纤维层和一体成形的内外管体,以及外壁层上均匀排布的呈螺旋状的环形凸条和管体加强筋,在波纹管承受压力时环形凸条和管体加强筋能够有效的对波纹管主体进行支撑,能够大大的增强波纹管的韧度和强度,使得波纹管具有高抗压性性能,通过设置的管道连接件和管枕组件,当管道在进行热熔连接时,管道的外壁的环形凸条与螺纹槽螺纹连接,能够使得波纹管在进行连接时更加牢固稳定,并且通过设置的内管连接套筒和螺纹槽,使得波纹管在进行连接时的密封性更好。(The invention relates to the field of pipelines, in particular to a compression-resistant corrugated pipe which comprises an inner pipe body, an outer pipe body, a pipe connecting piece and a pipe pillow component, wherein the outer pipe body is arranged on the outer pipe wall of the inner pipe body, the pipe connecting piece is arranged at one end of the inner pipe body, the inner pipe body and the outer pipe body are integrally formed through an arranged carbon fiber layer, and spiral annular convex strips and pipe body reinforcing ribs are uniformly distributed on the outer wall layer, when the corrugated pipe bears pressure, the annular convex strips and the pipe body reinforcing ribs can effectively support the corrugated pipe body, the toughness and the strength of the corrugated pipe can be greatly enhanced, the corrugated pipe has high compression resistance, when the pipeline is in hot-melt connection through the arranged pipe connecting piece and the pipe pillow component, the annular convex strips on the outer wall of the pipeline are in threaded connection with threaded grooves, the corrugated pipe can be more firm and stable in connection, and the sleeve and the thread groove are connected through the arranged inner pipe, so that the sealing performance of the corrugated pipe is better when the corrugated pipe is connected.)

1. The utility model provides a resistance to compression bellows, its characterized in that comprises interior body (1), outer body (2), pipe connection spare (3) and pipe pillow subassembly (4), outer body (2) set up including on the outer pipe wall of body (1), the one end of body (1) including pipe connection spare (3) set up, pipe pillow subassembly (4) set up the below at pipe connection spare (3).

2. The pressure resistant corrugated pipe of claim 1, wherein: the inner pipe wall of the inner pipe body (1) is provided with a carbon fiber layer (11).

3. The pressure resistant corrugated pipe of claim 1, wherein: the outer pipe body (2) is composed of an outer wall layer (21), annular convex strips (22), annular supporting bodies (23) and pipe body reinforcing ribs (24), the outer wall layer (21) is arranged on the outer pipe wall of the inner pipe body (1), the outer wall layer (21) and the inner pipe body (1) are integrally formed, the annular convex strips (22) are arranged on the outer wall layer (21), the annular supporting bodies (23) and the pipe body reinforcing ribs (24) are arranged inside the annular convex strips (22), and the annular supporting bodies (23) and the pipe body reinforcing ribs (24) are arranged in a mutually crossed mode.

4. The pressure resistant corrugated pipe of claim 1, wherein: the pipeline connecting piece (3) consists of an outer pipe connecting sleeve (31), a connecting groove (32), a limiting inner hoop (33), a through hole (34), an inner pipe connecting sleeve (35), a splicing groove (36) and a thread groove (37), the connecting groove (32) is formed in the outer pipe connecting sleeve (31), the diameter of the connecting groove (32) is the same as that of the outer wall of an outer wall layer (21), the limiting inner hoop (33) is fixedly connected to the inner wall of the connecting groove (32), the through hole (34) is formed in the limiting inner hoop (33), the diameter of the through hole (34) is the same as that of the inner pipe diameter of the inner pipe body (1), the inner pipe connecting sleeves (35) are arranged at two ends of the limiting inner hoop (33), the outer pipe wall of the inner pipe connecting sleeve (35) is fixedly connected with the inner wall of the connecting groove (32), the splicing groove (36) is formed in the inner pipe connecting sleeve (35, the diameter of the insertion groove (36) is the same as the outer diameter of the inner pipe body (1), thread grooves (37) are formed in the inner walls of the two ends of the connecting groove (32), and the thread grooves (37) are matched with the annular convex strips (22).

5. The pressure resistant corrugated pipe of claim 1, wherein: the pipe pillow component (4) comprises a pipe pillow base (41), a pipe hoop (42), a limiting ring (43) and a limiting sliding groove (44), the pipe pillow base (41) is arranged at the bottom of the outer pipe connecting sleeve (31), the pipe hoop (42) is sleeved on the outer cylinder wall of the outer pipe connecting sleeve (31), the two ends of the pipe hoop (42) are fixedly connected with the pipe pillow base (41), the limiting sliding groove (44) is formed in the inner wall of the pipe hoop (42), the limiting ring (43) is connected to the inner sliding surface of the limiting sliding groove (44), and the limiting ring (43) is fixedly connected to the outer wall of the outer pipe connecting sleeve (31).

6. The pressure resistant bellows of claim 3, wherein: the annular supporting body (23) and the pipe body reinforcing ribs (24) are both of annular spiral structures.

7. The pressure resistant bellows of claim 3, wherein: the inner pipe body (1), the outer wall layer (21) and the annular convex strips (22) are all made of high-density polyethylene materials.

8. The pressure resistant bellows of claim 3, wherein: the pipe body reinforcing ribs (24) are arranged coaxially with the inner pipe body (1), the outer wall layer (21) and the annular raised lines (22), and the pipe body reinforcing ribs (24) are made of annular steel bars.

Technical Field

The invention relates to the field of pipelines, in particular to a compression-resistant corrugated pipe.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to petrochemical industry, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like.

The corrugated pipe is made of polyethylene resin as main raw material, and proper amount of auxiliary agent is added, and the corrugated pipe is extruded and molded, is more and more widely applied, and is gradually applied to buildings, communication and agriculture. When being applied to chemical industry water and electricity trade, the bellows need bear great pressure, receives the extrusion to produce easily and breaks to the bellows is because cyclic annular outer wall structure reason, and the compressive capacity of body is relatively poor, and on the other hand, current bellows are very inconvenient when connecting, and the linkage effect is relatively poor.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a pressure-resistant corrugated pipe.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a resistance to compression bellows, includes interior body, outer body, pipe connection spare and pipe pillow subassembly and constitutes, outer body sets up on the outer pipe wall of body including, the one end of body including pipe connection spare sets up, pipe pillow subassembly sets up the below at pipe connection spare.

Specifically, a carbon fiber layer is arranged on the inner pipe wall of the inner pipe body.

Specifically, the outer pipe body comprises an outer wall layer, annular raised lines, annular supporting bodies and pipe body reinforcing ribs, the outer wall layer is arranged on the outer pipe wall of the inner pipe body, the outer wall layer and the inner pipe body are integrally formed, the annular raised lines are arranged on the outer wall layer, the annular supporting bodies and the pipe body reinforcing ribs are arranged inside the annular raised lines, and the annular supporting bodies and the pipe body reinforcing ribs are arranged in a mutually crossed mode.

Specifically, the pipe connection piece comprises outer tube coupling sleeve, spread groove, spacing interior hoop, through-hole, inner tube coupling sleeve, inserting groove and thread groove, the spread groove has been seted up to outer tube coupling sleeve's inside, the diameter of spread groove is the same with the diameter size of outer wall layer outer wall, the spacing interior hoop of fixedly connected with on the inner wall of spread groove, the through-hole has been seted up on the spacing interior hoop, the diameter of through-hole is the same with the interior pipe diameter size of interior body, spacing interior hoop both ends all are provided with inner tube coupling sleeve, the outer tube wall of inner tube coupling sleeve and the inner wall fixed connection of spread groove, the inserting groove has been seted up on the inner tube coupling sleeve, the diameter of inserting groove is the same with the outer pipe diameter size of interior body, the thread groove has all been seted up on the inner wall at spread groove both ends, thread groove.

Specifically, the pipe pillow subassembly comprises pipe pillow base, ferrule, spacing ring and spacing spout, the pipe pillow base sets up in outer tube connecting sleeve's bottom, the ferrule cup joints on outer tube connecting sleeve's outer tube wall, and the both ends of ferrule all with pipe pillow base fixed connection, spacing spout has been seted up on the inner wall of ferrule, the inside sliding connection of spacing spout has the spacing ring, spacing ring fixed connection is on outer tube connecting sleeve's outer wall.

Specifically, the annular supporting body and the pipe body reinforcing ribs are both of annular spiral structures.

Specifically, the inner pipe body, the outer wall layer and the annular convex strips are all made of high-density polyethylene materials.

Specifically, the pipe body reinforcing rib is arranged coaxially with the inner pipe body, the outer wall layer and the annular convex strip, and the pipe body reinforcing rib is made of an annular steel bar.

The invention has the beneficial effects that:

(1) according to the compression-resistant corrugated pipe, the carbon fiber layer, the integrally formed inner pipe body and the integrally formed outer pipe body, and the spiral annular raised lines and the pipe body reinforcing ribs which are uniformly distributed on the outer wall layer are arranged, so that the annular raised lines and the pipe body reinforcing ribs can effectively support the main body of the corrugated pipe when the corrugated pipe bears pressure, the toughness and the strength of the corrugated pipe can be greatly enhanced, and the corrugated pipe has high compression resistance.

(2) According to the pressure-resistant corrugated pipe, due to the arrangement of the pipe connecting piece and the pipe pillow assembly, when the pipe is in hot melting connection, the annular convex strips on the outer wall of the pipe are in threaded connection with the thread grooves, so that the corrugated pipe can be more firmly and stably connected, and the sealing performance of the corrugated pipe is better when the corrugated pipe is connected through the arranged inner pipe connecting sleeve and the thread grooves.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of a pressure-resistant corrugated pipe provided by the present invention;

FIG. 2 is a side view of a compression resistant bellows provided in accordance with the present invention;

FIG. 3 is a schematic diagram of the internal structures of the inner tube and the outer tube of the pressure-resistant corrugated tube according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 of a compression resistant bellows according to the present invention;

FIG. 5 is a schematic structural diagram of an inner tube and an outer tube of a pressure-resistant bellows according to the present invention;

fig. 6 is a schematic structural diagram of a pipe connection in a pressure-resistant corrugated pipe according to the present invention.

In the figure: 1. an inner tube body; 11. a carbon fiber layer; 2. an outer tubular body; 21. an outer wall layer; 22. an annular rib; 23. an annular support; 24. pipe body reinforcing ribs; 3. a pipe connection; 31. the outer pipe is connected with the sleeve; 32. connecting grooves; 33. a limiting inner hoop; 34. a through hole; 35. the inner pipe is connected with the sleeve; 36. inserting grooves; 37. a thread groove; 4. a tube pillow assembly; 41. a tube pillow base; 42. a pipe hoop; 43. a limiting ring; 44. and a limiting sliding groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the anti-pressure corrugated pipe of the present invention includes an inner pipe body 1, an outer pipe body 2, a pipe connector 3 and a pipe pillow assembly 4, wherein the outer pipe body 2 is disposed on an outer pipe wall of the inner pipe body 1, the pipe connector 3 is disposed at one end of the inner pipe body 1, and the pipe pillow assembly 4 is disposed below the pipe connector 3.

Specifically, the carbon fiber layer 11 is arranged on the inner pipe wall of the inner pipe body 1, the carbon fiber is a high-strength and high-fiber-modulus fiber material and has strong tensile resistance, and the arranged carbon fiber layer 11 can enhance the toughness and strength of the inner pipe body 1, so that the corrugated pipe has high pressure resistance.

Specifically, outer body 2 comprises outer wall layer 21, annular sand grip 22, annular support body 23 and body strengthening rib 24, outer wall layer 21 sets up on the outer pipe wall of body 1 including, just outer wall layer 21 and body 1 integrated into one piece, be provided with annular sand grip 22 on the outer wall layer 21, the inside of annular sand grip 22 is provided with annular support body 23 and body strengthening rib 24, annular support body 23 and body strengthening rib 24 intercrossing sets up, integrated into one piece's outer wall layer 21 and body 1, bilayer structure's structural strength is higher, and the structural strength that is heliciform annular sand grip 22 and body strengthening rib 24 that evenly arranges simultaneously on outer wall layer 21 can strengthen the bellows.

Specifically, the pipe connection member 3 is composed of an outer pipe connection sleeve 31, a connection groove 32, a limiting inner hoop 33, a through hole 34, an inner pipe connection sleeve 35, an insertion groove 36 and a thread groove 37, wherein the connection groove 32 is formed inside the outer pipe connection sleeve 31, the diameter of the connection groove 32 is the same as that of the outer wall layer 21, the limiting inner hoop 33 is fixedly connected to the inner wall of the connection groove 32, the through hole 34 is formed in the limiting inner hoop 33, the diameter of the through hole 34 is the same as that of the inner pipe 1, the inner pipe connection sleeves 35 are arranged at both ends of the limiting inner hoop 33, the outer cylinder wall of the inner pipe connection sleeve 35 is fixedly connected to the inner wall of the connection groove 32, the insertion groove 36 is formed in the inner pipe connection sleeve 35, the diameter of the insertion groove 36 is the same as that of the outer pipe of the inner pipe 1, and the thread grooves 37, the thread groove 37 is matched with the annular convex strip 22, and the inserting groove 36 and the thread groove 37 arranged inside the connecting groove 32 can enable the corrugated pipe to be firmer and more stable when being connected, and the sealing performance is better.

Specifically, the pipe pillow component 4 comprises a pipe pillow base 41, a pipe hoop 42, a limiting ring 43 and a limiting sliding groove 44, the pipe pillow base 41 is arranged at the bottom of the outer pipe connecting sleeve 31, the pipe hoop 42 is sleeved on the outer cylinder wall of the outer pipe connecting sleeve 31, two ends of the pipe hoop 42 are fixedly connected with the pipe pillow base 41, the limiting sliding groove 44 is formed in the inner wall of the pipe hoop 42, the limiting ring 43 is connected to the inner portion of the limiting sliding groove 44 in a sliding mode, and the limiting ring 43 is fixedly connected to the outer wall of the outer pipe connecting sleeve 31, so that the corrugated pipe can be installed more conveniently.

Specifically, the annular support body 23 and the pipe body reinforcing ribs 24 are both annular spiral structures, and when the pipeline bears pressure, the structural strength of the corrugated pipe can be enhanced.

Specifically, the inner pipe body 1, the outer wall layer 21 and the annular convex strips 22 are all made of high-density polyethylene materials, and the high-density polyethylene materials have the advantages of light weight, small resistance, high compressive strength, convenience in construction and the like.

Specifically, the pipe body reinforcing ribs 24 are arranged coaxially with the inner pipe body 1, the outer wall layer 21 and the annular convex strips 22, and the pipe body reinforcing ribs 24 are made of annular steel bars which can enhance the compressive strength of the corrugated pipe.

When in use, the outer wall of one end of the inner pipe body 1 and the inner wall of the inner pipe connecting sleeve 35 are connected in a hot melting way when the corrugated pipe is connected in a hot melting way, when the inner tube 1 is inserted into the inner tube connecting sleeve 35, the outer tube 2 is rapidly rotated, and when the outer tube 2 is rotated, the spiral annular convex strip 22 can be screwed into the thread groove 37, the corrugated pipe and the pipeline connecting piece 3 are firmer and more stable, the sealing performance is better, the diameter of the through hole 34 is the same as the inner diameter of the inner pipe body 1, when the corrugated pipe is used, the resistance to the fluid is reduced, the carbon fiber layer 11, the inner pipe body 1 and the outer pipe body 2 are integrally formed, and the annular raised strips 22 and the pipe body reinforcing ribs 24 which are uniformly distributed on the outer wall layer 21 and are spiral, so that the toughness and strength of the corrugated pipe can be greatly enhanced, and the corrugated pipe has high pressure resistance.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.