CN213929905U

CN213929905U - Buried HDPE double-wall corrugated pipe

Info

Publication number: CN213929905U
Application number: CN202022851668.0U
Authority: CN
Inventors: 林慧川
Original assignee: Fujian Tongsheng Pipe Industry Co ltd
Current assignee: Fujian Tongsheng Pipe Industry Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-10
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a bellows technical field, and a bury formula HDPE double-walled bellows is disclosed, including inner tube and outer tube, the inner wall at outer tube both ends respectively with the outer wall fixed connection at inner tube both ends, the outer tube intussuseption is filled with inert gas, and the lateral wall of outer tube still fixed intercommunication has inflation assembly, two first sleeves of fixedly connected with and two second sleeves respectively at the both ends of outer tube, and two first sleeves and two second sleeves are movable each other and cup joint the setting, a plurality of toper fixture blocks of the equal symmetrical fixedly connected with of two first sheathed tube inner walls, a plurality of and toper fixture block assorted toper draw-in grooves have been seted up to two sheathed tube outer wall symmetries, two sheathed tube inner walls are all fixed to inlay and are equipped with the hot melt layer. The utility model discloses the sealed effect when connection between two bodys and improvement are connected can be convenient for, people's of being convenient for use.

Description

Buried HDPE double-wall corrugated pipe

Technical Field

The utility model relates to a bellows technical field especially relates to a bury formula HDPE double-walled bellows.

Background

The double-wall corrugated pipe is a novel light pipe made of high-density polyethylene, has the characteristics of light weight, high pressure resistance, good toughness, fast construction, long service life and the like, and has an excellent pipe wall structure design, so that the cost is greatly reduced compared with pipes of other structures. HDPE double-walled bellows need bury underground in municipal drainage system at present, and the connection of HDPE double-walled bellows interface among the prior art needs lay the foreign matter outside the pipeline and weld, and the leakproofness of inside bonding is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the connection of HDPE double-walled bellows interface among the prior art and need to lay the foreign matter and carry out the butt fusion outside the pipeline, the relatively poor problem of inside bonding leakproofness, and the buried HDPE double-walled bellows that buries that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bury formula HDPE double-walled bellows, includes inner tube and outer tube, the inner wall at outer tube both ends respectively with the outer wall fixed connection at inner tube both ends, the outer intussuseption is filled with inert gas, and the lateral wall of outer tube still fixed intercommunication has inflatable component, two first sleeve pipes of two fixedly connected with and two second sleeve pipes are distinguished to the both ends of outer tube, and two first sleeve pipes and two second sleeve pipe activities of mutual motion cup joint the setting, two a plurality of toper fixture blocks of the equal symmetry fixedly connected with of first sheathed tube inner wall, two a plurality of and toper fixture block assorted toper draw-in grooves have been seted up to the equal symmetry of second sheathed tube outer wall, two the equal fixed hot melt layer that inlays of being equipped with of first sheathed tube inner wall.

Preferably, the inflation assembly includes gas tube, a location section of thick bamboo, movable rod and sealed ball stopper, the fixed intercommunication of gas tube and outer tube, and the gas tube is located and sets up between two second sleeves, sealed ball stopper is located the gas tube, and the inner wall of sealed ball stopper and gas tube offsets and sets up, the one end fixed connection of sealed ball stopper and movable rod, the other end of movable rod passes through the spring and is connected at the bottom of the section of thick bamboo of a location section of thick bamboo, and the other end of movable rod is located a location section of thick bamboo and sets up, a location section of thick bamboo and gas tube fixed connection set up.

Preferably, the outer wall of outer tube is the corrugate setting, and the outer wall symmetry of outer tube has seted up a plurality of standing grooves, and all packs in a plurality of standing grooves and have the deinsectization granule.

Preferably, a plurality of support bars are fixedly embedded in the inner tube and are circumferentially distributed.

Preferably, the cross section of the movable rod is arranged in a regular hexagon shape.

Preferably, the outer wall of the inner tube is symmetrically and fixedly connected with a plurality of elastic supporting rods, and the elastic supporting rods are abutted to the outer tube.

Compared with the prior art, the utility model provides a bury formula HDPE double-walled bellows possesses following beneficial effect:

1. this bury formula HDPE double-walled bellows, through being equipped with first sleeve pipe, second sleeve pipe, toper fixture block and hot melt layer, the sealed effect when can be convenient for connect between two bodys and improve the connection, the people's of being convenient for use.

2. This bury formula HDPE double-walled bellows, through the subassembly of aerifing that is equipped with, can be convenient for fill inert gas in the outside pipe, inert gas helps playing certain resistance to compression buffering effect.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the sealed effect when connection between two bodys and improvement are connected can be convenient for, people's of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a buried HDPE double-wall corrugated pipe according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: 1. an inner tube; 2. an outer tube; 3. an elastic support bar; 4. a first sleeve; 5. a second sleeve; 6. a conical fixture block; 7. a hot melt layer; 8. an inflation tube; 9. a positioning cylinder; 10. a movable rod; 11. sealing the ball plug; 12. a spring; 13. deinsectization particles; 14. a supporting strip; 15. an inert gas.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a bury formula HDPE double-walled bellows, including inner tube 1 and outer tube 2, the inner wall at 2 both ends of outer tube respectively with the outer wall fixed connection at 1 both ends of inner tube, the intussuseption of outer tube 2 is filled with inert gas 15, and the lateral wall of outer tube 2 still fixed intercommunication has inflatable component, two first sleeve pipes 4 of two fixedly connected with and two second sleeve pipes 5 are distinguished at the both ends of outer tube 2, and two first sleeve pipes 4 and two second sleeve pipes 5 are movable each other and cup joint the setting, a plurality of toper fixture blocks 6 of two first sleeve pipe 4's the equal symmetrical fixedly connected with of inner wall, a plurality of toper draw-in grooves with toper fixture block 6 assorted are seted up to two second sleeve pipe 5's the equal symmetry of outer wall, the inner wall of two first sleeve pipes 4 is all fixed to be inlayed and is equipped with hot melt layer 7.

The inflation assembly includes gas tube 8, a locating cylinder 9, movable rod 10 and sealed ball stopper 11, gas tube 8 and the fixed intercommunication of outer tube 2, and gas tube 8 is located and sets up between two second sleeves 5, sealed ball stopper 11 is located gas tube 8, and sealed ball stopper 11 offsets the setting with the inner wall of gas tube 8, the one end fixed connection of sealed ball stopper 11 and movable rod 10, the other end of movable rod 10 passes through spring 12 and is connected at the bottom of the section of thick bamboo of a locating cylinder 9, and the other end of movable rod 10 is located and sets up in the locating cylinder 9, locating cylinder 9 and the setting of gas tube 8 fixed connection.

The outer wall of outer tube 2 is the corrugate setting, and a plurality of standing grooves have been seted up to the outer wall symmetry of outer tube 2, and all packs in a plurality of standing grooves and have deinsectization granule 13, through the deinsectization granule 13 that is equipped with, can prevent gnawing of external pest from stinging.

A plurality of support bars 14 are embedded in the inner tube 1 in a fixed mode, and the support bars 14 are circumferentially distributed, so that the tensile strength of the inner tube 1 can be improved.

The cross-section of the movable rod 10 is regular hexagon, which can ensure the stability of the movable rod 10 and prevent it from rotating.

A plurality of elastic support rods 3 of outer wall symmetry fixedly connected with of inner tube 1, and a plurality of elastic support rods 3 and outer tube 2 offset the setting, can improve the supporting effect of outer tube 2, prevent that it from taking place great deformation.

In the utility model, when in use, the external inflating device pushes the inflating tube 8 to open through the sealing ball plug 11, so that the inflating device can fill inert gas 15 into the space between the outer tube 2 and the inner tube 1, after the inflating is completed, the movable rod 10 can be driven to move in the positioning cylinder 9 through the elasticity of the spring 12, the sealing ball plug 11 closes the inflating tube 8 again to prevent the leakage of the inert gas 15, so that a certain compression-resistant buffering effect can be achieved through the arranged inert gas 15, the first sleeve 4 and the second sleeve 5 are sleeved with each other through the arranged first sleeve 4 and the second sleeve 5, and the conical clamping block 6 is engaged in the conical clamping groove, so that the position between the two tube bodies can be limited, and the first sleeve 4 and the second sleeve 5 are directly heated through the arranged hot melting layer 7, can make 7 melting of hot melt layer and directly fill to toper fixture block 6 and toper draw-in groove in, and then be convenient for connect between two bodys, and the sealed effect when guaranteeing to connect, the people's of being convenient for use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A buried HDPE double-wall corrugated pipe comprises an inner pipe (1) and an outer pipe (2), it is characterized in that the inner walls of the two ends of the outer pipe (2) are respectively fixedly connected with the outer walls of the two ends of the inner pipe (1), the outer pipe (2) is filled with inert gas (15), the side wall of the outer pipe (2) is also fixedly communicated with an inflation assembly, two ends of the outer pipe (2) are respectively and fixedly connected with two first sleeves (4) and two second sleeves (5), and two first sleeve pipes (4) and two second sleeve pipes (5) are movable each other and are cup jointed and set up, two a plurality of toper fixture blocks (6) of the equal symmetry fixedly connected with of inner wall of first sleeve pipe (4), two a plurality of and toper fixture block (6) assorted toper draw-in grooves, two are seted up to the equal symmetry of outer wall of second sleeve pipe (5) the inner wall of first sleeve pipe (4) is fixed the inlaying all and is equipped with hot melt layer (7).

2. A buried HDPE double-wall corrugated pipe according to claim 1, characterized in that the inflation assembly comprises an inflation pipe (8), a positioning cylinder (9), a movable rod (10) and a sealing ball plug (11), the inflation pipe (8) is fixedly communicated with the outer pipe (2), the inflation pipe (8) is arranged between the two second sleeves (5), the sealing ball plug (11) is arranged in the inflation pipe (8), the sealing ball plug (11) is arranged against the inner wall of the inflation pipe (8), the sealing ball plug (11) is fixedly connected with one end of the movable rod (10), the other end of the movable rod (10) is connected with the bottom of the positioning cylinder (9) through a spring (12), the other end of the movable rod (10) is arranged in the positioning cylinder (9), and the positioning cylinder (9) is fixedly connected with the inflation pipe (8).

3. The buried HDPE double-wall corrugated pipe according to claim 1, wherein the outer wall of the outer pipe (2) is corrugated, and a plurality of placing grooves are symmetrically formed in the outer wall of the outer pipe (2), and are filled with deinsectization particles (13).

4. A buried HDPE double-wall corrugated pipe as claimed in claim 1, characterized in that a plurality of support bars (14) are fixedly embedded in the inner pipe (1), and the support bars (14) are circumferentially distributed.

5. A buried HDPE double-wall corrugated pipe according to claim 2, characterized in that the cross-section of the movable rod (10) is arranged in a regular hexagon.

6. A buried HDPE double-wall corrugated pipe according to claim 1, characterized in that the outer wall of the inner pipe (1) is symmetrically and fixedly connected with a plurality of elastic support rods (3), and the plurality of elastic support rods (3) are arranged against the outer pipe (2).