CN210600495U

CN210600495U - Corrosion-resistant FRPP double-wall corrugated pipe

Info

Publication number: CN210600495U
Application number: CN201921426417.9U
Authority: CN
Inventors: 金彩龙
Original assignee: Jiaxing Huajiatong Plastic Co ltd
Current assignee: Jiaxinghua Jiatong Plastics Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-22
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a double-walled bellows technical field, and a corrosion-resistant FRPP double-walled bellows is disclosed, include the inner tube and be located the ripple outer tube of inner tube outside, fixedly connected with polypropylene layer and anti-corrosion coating in proper order on the inner wall of inner tube, the fixed ring board that has cup jointed of one end outer wall of ripple outer tube, sliding connection has annular cardboard on the fixed ring board, a plurality of joint pieces of upper end fixedly connected with of annular cardboard, spacing through-hole has all been seted up on a plurality of joint pieces, the other end of ripple outer tube is cup jointed the annular board, a plurality of U type fixed plates of fixedly connected with on the annular board, spacing hole has been seted up to the lateral wall of. The utility model discloses can be through slip between cardboard and the fixed ring board spacing to the joint piece with spacing mechanism, can improve the joint strength between two pipes, improved the stability of whole equipment, improved the efficiency of the connection between two pipes and dismantlement, satisfied people's demand.

Description

Corrosion-resistant FRPP double-wall corrugated pipe

Technical Field

The utility model relates to a double-walled bellows technical field especially relates to a corrosion-resistant FRPP double-walled bellows.

Background

The FRPP pipe is produced by using a glass fiber modified polypropylene material treated by a coupling agent, according to HG20539-92 standard, specification DN15-DN1500mm, nominal pressure of 0.4-1.0MPa, corrosion resistance, high temperature resistance, high pressure resistance, sanitation and innocuity, can be recycled, is suitable for corrosive liquid delivery (such as acid-base liquid) and municipal water supply and drainage systems, has excellent impact resistance and tensile strength, light weight and convenient installation and maintenance, has the existing hot air welding connection, hot melting connection and flange connection modes, and is widely applied to industries such as chemical industry, chemical fiber, chlor-alkali, dye, water supply and drainage, food, medicine, sewage treatment, electrolysis and the like.

The place of using FRPP double-walled bellows at work has a lot, when facing the place far away that gathers mutually, we need connect FRPP double-walled bellows and use for people, and FRPP double-walled bellows on the existing market mostly carries out two liang of cup joints through the flaring department that is equipped with, and the structure is not firm, causes flaring department fracture during the transport easily, causes engineering stagnation and loss of property.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that FRPP double-wall corrugated pipe structure is unstable and the junction is easy to break in the prior art, and the corrosion-resistant FRPP double-wall corrugated pipe who provides.

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

the utility model provides a corrosion-resistant FRPP double-walled bellows, includes the inner tube and is located the outer ripple outer tube of inner tube, fixedly connected with polypropylene layer and anti-corrosion coating in proper order on the inner wall of inner tube, the fixed cover of one end outer wall of ripple outer tube has connect the retainer plate, sliding connection has annular cardboard on the retainer plate, a plurality of joint pieces of upper end fixedly connected with of annular cardboard, it is a plurality of spacing through-hole has all been seted up on the joint piece, the fixed cover of the other end of ripple outer tube has connect the annular slab, a plurality of U type fixed plates of fixedly connected with are a plurality of on the annular slab spacing hole has been seted up, and is a plurality of the outer wall rear side fixedly connected with stop gear of U type fixed plate.

Preferably, stop gear includes two springs, gag lever post and limiting plate, two spring fixed connection is between limiting plate and U type fixed plate, gag lever post fixed connection is in the centre of limiting plate, the gag lever post corresponds with spacing through-hole and spacing hole and pegs graft.

Preferably, a plurality of sliding grooves are formed in the upper end of the fixed ring plate, and a plurality of sliding blocks matched with the sliding grooves are fixedly connected to the lower end of the annular clamping plate.

Preferably, a plurality of annular ripples are arranged at intervals on the ripple outer pipe.

Preferably, the limiting rod is fixedly wrapped with a damping rubber pad.

Preferably, both ends of the inner pipe are connected with sealing rings.

Compared with the prior art, the utility model provides a corrosion-resistant FRPP double-walled bellows possesses following beneficial effect:

1. this corrosion-resistant FRPP double-walled bellows, through spring, gag lever post, spacing hole, U type fixed plate, limiting plate, spacing through-hole and the joint piece that is equipped with, can carry on spacingly to swivelling joint's joint piece through the stop gear who constitutes, form fixedly, improved the stability of whole equipment, strengthened the joint strength between two pipes.

2. This corrosion-resistant FRPP double-walled bellows, through the retaining ring board, cardboard, slider, spout and the joint piece that are equipped with, can just can realize connecting and dismantling between two pipes through rotating the cardboard without rotating heavy pipe, make things convenient for people's use, improve the connection between the pipe and dismantle efficiency, satisfied people's demand.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can slide between cardboard and the retaining ring board and spacing mechanism spacing to the joint piece, can improve the joint strength between two pipes, improve the stability of whole equipment, improve the efficiency of connecting between two pipes and dismantling, satisfied people's demand.

Drawings

Fig. 1 is a schematic structural diagram of a corrosion-resistant FRPP double-wall corrugated pipe according to the present invention;

fig. 2 is a schematic structural diagram of an annular clamping plate of a corrosion-resistant FRPP double-wall corrugated pipe provided by the present invention;

fig. 3 is a schematic structural diagram of a U-shaped fixing plate of a corrosion-resistant FRPP double-wall corrugated pipe according to the present invention.

In the figure: the device comprises an inner tube 1, a corrugated outer tube 2, a polypropylene layer 3, an anti-corrosion layer 4, a sealing ring 5, a fixing ring plate 6, an annular clamping plate 7, a clamping block 8, a limiting through hole 9, an annular plate 10, a U-shaped fixing plate 11, a limiting hole 12, a limiting mechanism 13, a spring 14, a limiting rod 15, a limiting plate 16, a sliding groove 17 and a sliding block 18.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a corrosion-resistant FRPP double-wall corrugated pipe, including inner tube 1 and ripple outer tube 2 that is located the inner tube 1 outside, fixedly connected with polypropylene layer 3 and anti-corrosion layer 4 in proper order on the inner wall of inner tube 1, the fixed cover of the one end outer wall of ripple outer tube 2 has been connect fixed the retaining ring board 6, sliding connection has annular cardboard 7 on the retaining ring board 6, a plurality of joint pieces 8 of upper end fixedly connected with of annular cardboard 7, spacing through-hole 9 has all been seted up on a plurality of joint pieces 8, the fixed cover of the other end of ripple outer tube 2 has been connected annular board 10, a plurality of U type fixed plates 11 of fixedly connected with on the annular board 10, spacing hole 12 has been seted up to the lateral wall of a plurality of U type fixed plates 11, the outer wall rear.

Stop gear 13 includes two springs 14, gag lever post 15 and limiting plate 16, and two springs 14 fixed connection are between limiting plate 16 and U type fixed plate 11, and gag lever post 15 fixed connection is in the centre of limiting plate 16, and gag lever post 15 corresponds with spacing through-hole 9 and spacing hole 12 and pegs graft, and it is spacing to carry out the joint between two pipes through stop gear 17, prevents to drop.

A plurality of chutes 17 are formed in the upper end of the fixed ring plate 6, a plurality of sliding blocks 18 matched with the chutes 17 are fixedly connected to the lower end of the clamping plate 7, and the sliding blocks 18 and the chutes 17 are matched so that a user does not need to rotate a heavy pipe and can clamp and disassemble the annular clamping plate 7 only by rotating.

A plurality of annular ripples are arranged on the ripple outer tube 2 at intervals, and the tube can be prolonged through the ripples.

The fixed cladding of gag lever post 15 has damping rubber pad, can increase the friction, makes the bull stick 20 on the joint can not drop.

The sealing rings 5 are connected to the two ends of the inner pipe 1, so that the sealing performance of the joint can be improved, and leakage is reduced.

The utility model discloses in, during the use, correspond earlier two pipes and peg graft, make sealing washer 5 extrusion seal each other, the joint piece 8 slides suitable position through the combined action of slider 18 and spout 17 with annular cardboard 7 on the fixed ring board 6, make joint piece 8 be located the space between a plurality of U type fixed plates 11, pulling spring 14 pulls out gag lever post 15 on with limiting plate 16, align spacing through-hole 9 and spacing hole 12, peg graft gag lever post 15 along with spacing through-hole 9 and spacing hole 12, accomplish spacing between two pipes, whole equipment simple structure, can be through slip between cardboard and the fixed ring board and spacing mechanism to the joint piece spacing, can improve the joint strength between two pipes, the stability of whole equipment has been improved, the efficiency of connecting and dismantling between two pipes has been improved, people's demand has been satisfied.

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 corrosion-resistant FRPP double-wall corrugated pipe comprises an inner pipe (1) and a corrugated outer pipe (2) positioned outside the inner pipe (1), it is characterized in that the inner wall of the inner pipe (1) is fixedly connected with a polypropylene layer (3) and an anti-corrosion layer (4) in sequence, a fixed ring plate (6) is fixedly sleeved on the outer wall of one end of the corrugated outer pipe (2), the fixed ring plate (6) is connected with an annular clamping plate (7) in a sliding way, the upper end of the annular clamping plate (7) is fixedly connected with a plurality of clamping blocks (8), a plurality of limiting through holes (9) are arranged on the clamping blocks (8), the other end of the corrugated outer pipe (2) is fixedly sleeved with an annular plate (10), a plurality of U-shaped fixing plates (11) are fixedly connected to the annular plate (10), a plurality of limiting holes (12) are formed in the side wall of each U-shaped fixing plate (11), and a plurality of limiting mechanisms (13) are fixedly connected to the rear side of the outer wall of each U-shaped fixing plate (11).

2. The corrosion-resistant FRPP double-wall corrugated pipe according to claim 1, wherein the limiting mechanism (13) comprises two springs (14), a limiting rod (15) and a limiting plate (16), the two springs (14) are fixedly connected between the limiting plate (16) and the U-shaped fixing plate (11), the limiting rod (15) is fixedly connected in the middle of the limiting plate (16), and the limiting rod (15) is correspondingly inserted into the limiting through hole (9) and the limiting hole (12).

3. The corrosion-resistant FRPP double-wall corrugated pipe as claimed in claim 1, wherein the upper end of the fixed ring plate (6) is provided with a plurality of sliding grooves (17), and the lower end of the ring clamping plate (7) is fixedly connected with a plurality of sliding blocks (18) matched with the sliding grooves (17).

4. A corrosion resistant FRPP double walled corrugated pipe according to claim 2, characterized in that the limiting rod (15) is fixedly wrapped with a damping rubber pad.

5. A corrosion resistant FRPP double walled corrugated pipe according to claim 1, characterized in that sealing rings (5) are connected to both ends of the inner pipe (1).