CN215258445U

CN215258445U - Double-wall plastic corrugated pipe

Info

Publication number: CN215258445U
Application number: CN202120486748.2U
Authority: CN
Inventors: 吕艳萍; 晏祥雄
Original assignee: Yunnan Lianmai Geotechnical Material Manufacturing Co ltd
Current assignee: Yunnan Lianmai Geotechnical Material Manufacturing Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-12-21
Anticipated expiration: 2031-03-08

Abstract

The utility model relates to the technical field of corrugated pipes, and discloses a double-wall plastic corrugated pipe, wherein one end of a first corrugated pipe is sleeved with a connecting sleeve, a second corrugated pipe is embedded in the connecting sleeve, spiral wave crests are arranged outside the first corrugated pipe and the second corrugated pipe, wear-resistant layers are arranged outside the first corrugated pipe and the second corrugated pipe, connecting channels are arranged inside the first corrugated pipe and the second corrugated pipe, and a first pressure-resistant layer is arranged inside the connecting channels; and anti-skidding convex points are arranged outside the wear-resistant layer. The utility model discloses an effect of the first spacing post of the inboard installation of adapter sleeve and the spacing post of second can be quick is connected first bellows and second bellows to be stained with first sealed glue in the spacing groove of seting up in the adapter sleeve inboard, thereby can make first bellows and second bellows high-speed joint, also can increase the leakproofness of junction simultaneously, prevent to reveal.

Description

Double-wall plastic corrugated pipe

Technical Field

The utility model relates to a bellows technical field specifically is a double-walled plastic bellow.

Background

The plastic corrugated pipe adopts a special 'ring groove' type special-shaped section form in structural design, has novel design and reasonable structure, breaks through a 'plate type' traditional structure of a common pipe, has enough compression strength and impact strength and good flexibility, and can be divided into a single-wall corrugated pipe and a double-wall corrugated pipe according to different structures of the plastic corrugated pipe. The single-wall plastic corrugated pipe is a pipe with corrugated inner and outer walls, has high rigidity, can be bent at will and can be wound in an infinite length, and the double-wall corrugated pipe is a plastic pipe with smooth inner wall and corrugated outer wall (the corrugated shape can be right angle, trapezoid, sine shape and the like), and is formed by simultaneously extruding the corrugated outer wall and a layer of smooth inner wall through one-time fusion extrusion. Besides the characteristics of common plastics such as good corrosion resistance, high insulating property, smooth inner wall, small flow resistance and the like, the plastic adopts special hollow annular rigidity and good strength and toughness.

However, when the existing corrugated pipe is connected, the connection is inconvenient, the sealing performance of the connecting part is poor, and the pressure resistance of the corrugated pipe is poor, so that the service life of the corrugated pipe is affected. Accordingly, one skilled in the art provides a double-walled plastic corrugated pipe to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-walled plastic corrugated pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a double-wall plastic corrugated pipe comprises a first corrugated pipe, wherein a connecting sleeve is sleeved at one end of the first corrugated pipe, a second corrugated pipe is embedded in the connecting sleeve, spiral wave crests are arranged outside the first corrugated pipe and the second corrugated pipe, wear-resistant layers are arranged outside the first corrugated pipe and the second corrugated pipe, connecting channels are arranged inside the first corrugated pipe and the second corrugated pipe, and a first pressure-resistant layer is arranged inside the connecting channels; and anti-skidding convex points are arranged outside the wear-resistant layer.

As a further aspect of the present invention: the wire mesh is installed to the inboard of first anti-pressure layer, the inboard of wire mesh is provided with second anti-pressure layer, and packs between wire mesh and the second anti-pressure layer and have the noise reduction layer, the inboard of second anti-pressure layer is provided with corrosion-resistant layer, the inside of corrosion-resistant layer is provided with the waterproof layer.

As a further aspect of the present invention: the first pressure resistant layer and the second pressure resistant layer are the same in thickness and material, the sound attenuation layer is made of silencing rock wool, and the thickness of the wire mesh is half of that of the first pressure resistant layer.

As a further aspect of the present invention: the thickness of the corrosion-resistant layer is the same as that of the waterproof layer, the waterproof layer is made of polyethylene materials, and the corrosion-resistant layer is made of epoxy resin materials.

As a further aspect of the present invention: the utility model discloses a spacing structure of corrugated pipe, including adapter sleeve, spacing post, first sealed glue, first bellows, first spacing post, spacing groove, spacing post, first sealed glue, first spacing post and first spacing post are seted up to the bilateral symmetry of adapter sleeve, the inside in spacing groove is provided with the sealed glue of second, the inside of adapter sleeve from left to right installs spacing post of second and first spacing post respectively, the outside of first spacing post all is provided with first sealed glue, the spacing hole of second with spacing post mutual adaptation is seted up in the outside of first bellows, the first spacing hole with first spacing post mutual adaptation is seted up in the outside of second bellows.

As a further aspect of the present invention: the length of the limiting groove is one third of the length of the connecting sleeve, and the first sealant and the second sealant are made of the same material and have the same thickness.

As a further aspect of the present invention: the second limiting column and the first limiting column are symmetrically arranged on the inner side of the limiting groove, the second limiting column and the first limiting column are arranged in a cylindrical mode, and the length of the second limiting column and the length of the first limiting column are one fourth of the length of the connecting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can quickly connect the first corrugated pipe and the second corrugated pipe through the action of the first limit column and the second limit column arranged on the inner side of the connecting sleeve, and the first sealant is adhered in the limit groove arranged on the inner side of the connecting sleeve, so that the first corrugated pipe and the second corrugated pipe can be quickly connected, and meanwhile, the sealing performance of the connecting part can be increased to prevent leakage;

2. utilize the inside at first bellows and second bellows to be provided with first anti-pressure layer and second anti-pressure layer to wire mesh is installed to the centre of first anti-pressure layer and second anti-pressure layer, thereby can effectual improvement first bellows and the intensity of second bellows, is provided with corrosion-resistant layer and waterproof layer in the inboard of second anti-pressure layer simultaneously, and then can effectual improvement first bellows and the life of second bellows.

Drawings

FIG. 1 is a schematic structural view of a double-walled plastic bellows;

FIG. 2 is a schematic diagram of a wire mesh in a double-wall plastic corrugated pipe;

FIG. 3 is a schematic structural diagram of a connecting sleeve in a double-wall plastic corrugated pipe;

fig. 4 is a schematic structural view of a second limiting column in a double-walled plastic corrugated pipe.

In the figure: 1. a first bellows; 2. a spiral wave crest; 3. connecting sleeves; 4. a second bellows; 5. a connecting channel; 6. a first pressure resistant layer; 7. a second compressive layer; 8. a wear layer; 9. a wire mesh; 10. a sound-deadening layer; 11. a corrosion-resistant layer; 12. a waterproof layer; 13. a first limit hole; 14. a first sealant; 15. a limiting groove; 16. a second sealant; 17. a first limit post; 18. a second limit post; 19. a second limiting hole.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, a double-walled plastic corrugated pipe includes a first corrugated pipe 1, a connecting sleeve 3 is sleeved at one end of the first corrugated pipe 1, a second corrugated pipe 4 is embedded in the connecting sleeve 3, spiral wave crests 2 are disposed outside the first corrugated pipe 1 and the second corrugated pipe 4, two sides of the connecting sleeve 3 are symmetrically provided with limiting grooves 15, a second sealant 16 is disposed inside the limiting grooves 15, a second limiting post 18 and a first limiting post 17 are respectively disposed inside the connecting sleeve 3 from left to right, first sealants 14 are disposed outside the first limiting post 17 and the second limiting post 18, a second limiting hole 19 adapted to the second limiting post 18 is disposed outside the first corrugated pipe 1, a first limiting hole 13 adapted to the first limiting post 17 is disposed outside the second corrugated pipe 4, the length of the limiting groove 15 is one third of the length of the connecting sleeve 3, first sealed glue 14 is the same with the sealed material of 16 of gluing of second, and thickness is the same, and the spacing post of second 18 all is provided with two in the inboard symmetry of spacing groove 15 with first spacing post 17, and the spacing post of second 18 is cylindrical setting with first spacing post 17, and the length of the spacing post of second 18 and first spacing post 17 is the fourth of adapter sleeve 3 length, the utility model discloses a first spacing post 17 of 3 inboard installations of adapter sleeve and the spacing post's of second 18 effect, can be quick be connected first bellows 1 and second bellows 4 to it has sealed glue 16 to adhere to the second in the spacing groove 15 that the adapter sleeve 3 inboard was seted up, thereby can make first bellows 1 and second bellows 4 high-speed joint, also can increase the leakproofness of junction simultaneously, prevents to reveal.

In fig. 1 and 2: wear-resistant layers 8 are arranged outside the first corrugated pipe 1 and the second corrugated pipe 4, connecting channels 5 are arranged inside the first corrugated pipe 1 and the second corrugated pipe 4, and a first pressure-resistant layer 6 is arranged inside the connecting channels 5; the anti-skid bumps are arranged outside the wear-resistant layer 8, the metal screen 9 is installed on the inner side of the first anti-pressure layer 6, the second anti-pressure layer 7 is arranged on the inner side of the metal screen 9, the sound attenuation layer 10 is filled between the metal screen 9 and the second anti-pressure layer 7, the corrosion-resistant layer 11 is arranged on the inner side of the second anti-pressure layer 7, the waterproof layer 12 is arranged inside the corrosion-resistant layer 11, the first anti-pressure layer 6 and the second anti-pressure layer 7 are same in thickness and same in material, the sound attenuation layer 10 is made of sound attenuation rock wool, the metal screen 9 is half of the thickness of the first anti-pressure layer 6, the corrosion-resistant layer 11 and the waterproof layer 12 are same in thickness, the waterproof layer 12 is made of polyethylene material, the corrosion-resistant layer 11 is made of epoxy resin material, the first anti-pressure layer 6 and the second anti-pressure layer 7 are arranged inside the first corrugated pipe 1 and the second corrugated pipe 4, and the metal screen 9 is installed between the first anti-pressure layer 6 and the second anti-pressure layer 7, thereby can effectual improvement first bellows 1 and the intensity of second bellows 4, be provided with corrosion-resistant layer 11 and waterproof layer 12 in the inboard of second compressive layer 7 simultaneously, and then can effectual improvement first bellows 1 and the life of second bellows 4.

The utility model discloses a theory of operation is: when the first corrugated pipe 1 and the second corrugated pipe 4 are connected, one end of the first corrugated pipe 1 and one end of the second corrugated pipe 4 are respectively embedded into the limiting grooves 15 formed on the two sides of the connecting sleeve 3, when the first corrugated pipe 1 and the second corrugated pipe 4 enter the limiting grooves 15, the second limiting column 18 in the limiting grooves 15 can enter the second limiting hole 19, meanwhile, the first limiting column 17 can enter the first limiting hole 13, the first sealant 14 is arranged on the outer sides of the first limiting column 17 and the second limiting column 18, so that the stability of the first limiting column 17 and the second limiting column 18 can be increased, meanwhile, the second sealant 16 is arranged on the inner side of the limiting grooves 15, so that the connection tightness between the first corrugated pipe 1 and the second corrugated pipe 4 can be increased, the leakage can be prevented, the connecting channels 5 are formed in the first corrugated pipe 1 and the second corrugated pipe 4, and the inboard of connecting channel 5 is provided with first anti-pressure layer 6, and the centre of first anti-pressure layer 6 and second anti-pressure layer 7 is provided with wire mesh 9 and noise damping layer 10 to can effectual improvement first bellows 1 and the crushing resistance of second bellows 4, also can play the effect of lower sound simultaneously, be provided with corrosion-resistant layer 11 and waterproof layer 12 in the inboard of second anti-pressure layer 7, and then can effectual improvement first bellows 1 and the life of second bellows 4.

The above-mentioned, 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 double-wall plastic corrugated pipe comprises a first corrugated pipe (1) and is characterized in that one end of the first corrugated pipe (1) is sleeved with a connecting sleeve (3), a second corrugated pipe (4) is embedded into the connecting sleeve (3), spiral wave crests (2) are arranged on the outer portions of the first corrugated pipe (1) and the second corrugated pipe (4), wear-resistant layers (8) are arranged on the outer portions of the first corrugated pipe (1) and the second corrugated pipe (4), connecting channels (5) are arranged in the first corrugated pipe (1) and the second corrugated pipe (4), and a first pressure-resistant layer (6) is arranged in the connecting channels (5); and anti-skidding convex points are arranged outside the wear-resistant layer (8).

2. A double-walled plastic corrugated pipe according to claim 1, characterized in that a wire mesh (9) is installed on the inner side of the first pressure resistant layer (6), a second pressure resistant layer (7) is arranged on the inner side of the wire mesh (9), an acoustic damping layer (10) is filled between the wire mesh (9) and the second pressure resistant layer (7), a corrosion resistant layer (11) is arranged on the inner side of the second pressure resistant layer (7), and a waterproof layer (12) is arranged inside the corrosion resistant layer (11).

3. A double-walled plastic corrugated pipe according to claim 2, wherein the first and second crush-resistant layers (6, 7) are of the same thickness and material, the sound-deadening layer (10) is of rock wool, and the wire mesh (9) is half the thickness of the first crush-resistant layer (6).

4. A double-walled plastic corrugated pipe according to claim 2, wherein the corrosion-resistant layer (11) and the waterproof layer (12) have the same thickness, the waterproof layer (12) is a polyethylene material, and the corrosion-resistant layer (11) is an epoxy resin material.

5. The double-wall plastic corrugated pipe as claimed in claim 1, wherein the connecting sleeve (3) is symmetrically provided with limiting grooves (15) at two sides, second sealant (16) is arranged inside the limiting grooves (15), a second limiting column (18) and a first limiting column (17) are respectively arranged inside the connecting sleeve (3) from left to right, the first sealant (14) is arranged outside the first limiting column (17) and the second limiting column (18), a second limiting hole (19) matched with the second limiting column (18) is formed outside the first corrugated pipe (1), and a first limiting hole (13) matched with the first limiting column (17) is formed outside the second corrugated pipe (4).

6. A double-walled plastic corrugated pipe as claimed in claim 5, characterized in that the length of the limiting groove (15) is one third of the length of the connecting sleeve (3), and the first sealant (14) and the second sealant (16) are made of the same material and have the same thickness.

7. A double-walled plastic corrugated pipe according to claim 5, characterized in that the second limiting column (18) and the first limiting column (17) are symmetrically arranged in two on the inner side of the limiting groove (15), the second limiting column (18) and the first limiting column (17) are arranged in a cylindrical shape, and the length of the second limiting column (18) and the length of the first limiting column (17) are both one quarter of the length of the connecting sleeve (3).