CN215410594U

CN215410594U - Multilayer composite PVC plastic pipe

Info

Publication number: CN215410594U
Application number: CN202023157746.3U
Authority: CN
Inventors: 陈健明
Original assignee: Yuguang Shile Wuxi Energy Saving Material Technology Co ltd
Current assignee: Yuguang Shile Wuxi Energy Saving Material Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-01-04
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a multilayer composite PVC plastic pipe, which relates to the technical field of PVC pipes and comprises a composite pipe, wherein the composite pipe consists of a PVC pipe, a plurality of support rings, V-shaped elastic blocks and elastic layers, the support rings are sleeved on the outer side of the PVC pipe, the support rings are uniformly distributed on the outer side of the PVC pipe and fixedly connected with the PVC pipe, the V-shaped elastic blocks are uniformly fixed on the outer sides of the support rings, the V-shaped elastic blocks on two adjacent support rings are distributed in a staggered manner, the elastic layers are sleeved on the outer sides of the V-shaped elastic blocks and fixedly connected with the V-shaped elastic blocks, a flame retardant layer, a sun-screening layer and a scratch-proof layer are sequentially arranged on the outer sides of the elastic layers, and one end of the composite pipe is fixedly connected with a first fixing ring. The utility model solves the problems of poor impact resistance effect and poor protection effect at the joint of the existing multilayer composite PVC plastic pipe.

Description

Multilayer composite PVC plastic pipe

Technical Field

The utility model relates to the technical field of PVC pipes, in particular to a multilayer composite PVC plastic pipe.

Background

Most of the pipes used in the current market are made of PVC materials, PVC has the outstanding characteristics of rich raw materials, mature manufacturing process, low price, wide application and the like, and is the second most common resin which is second only to polyethylene resin, although the PVC materials are widely applied, if the pipes are made of the PVC materials, the pipes have poor corrosion resistance, wear resistance and sun-proof performance and short service life, and the pure PVC materials have poor shock resistance and are easy to damage, so that a multilayer composite PVC plastic pipe is needed.

In chinese utility model patent application no: CN201921438518.8 discloses a scratch-resistant PVC plastic pipe, which comprises a PVC plastic pipe and a connecting mechanism, wherein the PVC plastic pipe is fixedly connected with each other through the connecting mechanism and is designed into an inner pipe and outer pipe double-pipe structure, a gap layer is arranged in the middle, the PVC plastic pipe is connected through an elastic screw rod and is designed into an inner pipe and outer pipe double-pipe structure, the gap layer is arranged in the middle and is connected through the elastic screw rod, and the inner pipe and the outer pipe are both designed into a multi-pipe layer structure. This scratch resistance PVC plastic tubing links to each other interior conduit and outer pipeline through elastic screw, when it received the impact, easily made the local atress of interior conduit too big, leads to the interior conduit damaged, and its junction protective effect is relatively poor simultaneously, easy ageing damage to lead to the content to leak.

Therefore, there is a need to provide a multi-layer composite PVC plastic pipe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to: the utility model provides a multilayer composite PVC plastic pipe, aiming at solving the problems of poor impact resistance effect and poor protection effect of a joint of the existing multilayer composite PVC plastic pipe.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a compound PVC plastic tubing of multilayer, includes compound pipe, compound pipe comprises PVC pipe, support ring, V-arrangement elastic block and elastic layer, the support ring cup joints in the outside that PVC managed, support ring and PVC pipe fixed connection, V-arrangement elastic block has a plurality ofly, and is a plurality of the outside at the support ring is evenly fixed to V-arrangement elastic block, the elastic layer cup joints in the outside of V-arrangement elastic block, elastic layer and V-arrangement elastic block fixed connection, the outside of elastic layer is equipped with fire-retardant layer, sun-proof layer in proper order and prevents drawing the layer.

Furthermore, the support ring has a plurality ofly, and a plurality of support ring evenly distributed is in the outside of PVC pipe.

Further, the V-shaped elastic blocks on two adjacent support rings are distributed in a staggered mode.

Further, the one end fixedly connected with first solid fixed ring of compound pipe, the other end fixedly connected with second solid fixed ring of compound pipe.

Further, the outer side of one end of the composite pipe is fixedly connected with a telescopic protective sleeve, and the outer side of the other end of the composite pipe is provided with a clamping groove.

Further, the one end fixedly connected with activity ring that compound pipe was kept away from to flexible protective sheath, one side fixedly connected with fixture block that flexible protective sheath was kept away from to the activity ring, fixture block and draw-in groove looks adaptation.

Further, fixedly connected with a screw thread section of thick bamboo has been cup jointed in the one end outside of first solid fixed ring, the inboard of a screw thread section of thick bamboo is equipped with the spacing ring, spacing ring and PVC pipe fixed connection, the external screw thread with screw thread section of thick bamboo looks adaptation is seted up in the outside of the solid fixed ring of second.

Further, one side fixedly connected with second sealing washer that first solid fixed ring was kept away from to the spacing ring, the inboard of the solid fixed ring of second is equipped with first sealing washer, first sealing washer and PVC pipe fixed connection.

(III) advantageous effects

The utility model has the following beneficial effects:

1. according to the utility model, by arranging the support ring, the V-shaped elastic block and the elastic layer, when the composite pipe is subjected to external impact, the elastic layer and the V-shaped elastic block both generate elastic deformation to absorb the impact force, and the stress area of the PVC pipe is increased through the support ring, so that the PVC pipe is prevented from being damaged, and the problem of poor impact resistance effect is solved.

2. According to the utility model, by arranging the first fixing ring, the telescopic protective sleeve, the thread cylinder and the second fixing ring, the joint can be protected under the action of the telescopic protective sleeve, the aging of the joint is slowed down, the service life is prolonged, and the problem of poor protection effect of the joint is solved.

Drawings

FIG. 1 is a schematic perspective cross-sectional view of a composite tube of the present invention;

FIG. 2 is a schematic cross-sectional front view of a composite tube of the present invention;

FIG. 3 is a schematic perspective sectional view of the telescoping sheath of the present invention;

FIG. 4 is a perspective view of a second retaining ring of the present invention;

fig. 5 is a perspective view of the threaded cartridge of the present invention.

Reference numerals: 1. PVC pipes; 2. a support ring; 3. a V-shaped elastic block; 4. an elastic layer; 5. a flame retardant layer; 6. a sunscreen layer; 7. a scratch-resistant layer; 8. a first retaining ring; 9. a telescopic protective sleeve; 10. a movable ring; 11. a clamping block; 12. a card slot; 13. a first seal ring; 14. a limiting ring; 15. a threaded barrel; 16. a second retaining ring; 17. an external thread; 18. a composite pipe; 19. and a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, a multilayer composite PVC plastic pipe comprises a composite pipe 18, the composite pipe 18 is composed of a PVC pipe 1, a plurality of support rings 2, a plurality of V-shaped elastic blocks 3 and an elastic layer 4, the support rings 2 are sleeved on the outer side of the PVC pipe 1, the support rings 2 are uniformly distributed on the outer side of the PVC pipe 1, the support rings 2 are fixedly connected with the PVC pipe 1, the V-shaped elastic blocks 3 are provided, the V-shaped elastic blocks 3 are uniformly fixed on the outer side of the support rings 2, the V-shaped elastic blocks 3 on two adjacent support rings 2 are distributed in a staggered manner, the elastic layer 4 is sleeved on the outer side of the V-shaped elastic blocks 3, the elastic layer 4 is fixedly connected with the V-shaped elastic blocks 3, and the flame retardant layer 5, a sun-proof layer 6 and a scratch-proof layer 7 are sequentially arranged on the outer side of the elastic layer 4.

In this embodiment, through setting up support ring 2, V-arrangement elastic block 3 and elastic layer 4, when compound pipe 18 received external shock, elastic layer 4 and V-arrangement elastic block 3 all produced elastic deformation, absorb the impact force, and through the stress area of support ring 2 increase PVC pipe 1, avoid PVC pipe 1 to damage, can increase its fire prevention effect under fire-retardant layer 5's effect, under sun-proof layer 6's effect, slow down compound 18 ageing of managing, increase its life, the relatively poor problem of impact resistance effect has been solved.

Example 2

Referring to fig. 3-5, the present embodiment is further optimized based on embodiment 1, specifically, one end of the composite tube 18 is fixedly connected to the first fixing ring 8, and the other end of the composite tube 18 is fixedly connected to the second fixing ring 16.

Specifically, the outer side of one end of the composite pipe 18 is fixedly connected with a telescopic protective sleeve 9, and the outer side of the other end of the composite pipe 18 is provided with a clamping groove 12.

Specifically, one end of the telescopic protection sleeve 9 far away from the composite pipe 18 is fixedly connected with a movable ring 10, one side of the movable ring 10 far away from the telescopic protection sleeve 9 is fixedly connected with a fixture block 11, and the fixture block 11 is matched with the clamping groove 12.

Specifically, a thread cylinder 15 is sleeved outside one end of a first fixing ring 8 fixedly connected with, a limit ring 14 is arranged inside the thread cylinder 15, the limit ring 14 is fixedly connected with the PVC pipe 1, and an external thread 17 matched with the thread cylinder 15 is arranged outside a second fixing ring 16.

Specifically, one side of the limiting ring 14, which is far away from the first fixing ring 8, is fixedly connected with a second sealing ring 19, the inner side of the second fixing ring 16 is provided with a first sealing ring 13, and the first sealing ring 13 is fixedly connected with the PVC pipe 1.

In this embodiment, through setting up first solid fixed ring 8, flexible protective sheath 9, thread section of thick bamboo 15 and the solid fixed ring 16 of second, when compound pipe 18 connects, insert PVC pipe 1 in the solid fixed ring 16 of second, rotate thread section of thick bamboo 15, under the interact of thread section of thick bamboo 15 and external screw thread 17, thread section of thick bamboo 15 drives two compound pipes 18 through spacing ring 14 and is close to each other, under the effect of second sealing washer 19 and first sealing washer 13, it is sealed with it, then slip loose ring 10, it is fixed with loose ring 10 through fixture block 11 and draw-in groove 12, under the effect of flexible protective sheath 9, can protect the junction, slow down its ageing, increase life, the relatively poor problem of junction protective effect has been solved.

In summary, the following steps: the utility model solves the problems of poor impact resistance effect and poor protection effect at the joint of the existing multilayer composite PVC plastic pipe.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. A multilayer composite PVC plastic pipe, comprising a composite pipe (18), characterized in that: compound pipe (18) comprises PVC pipe (1), support ring (2), V-arrangement elastic block (3) and elastic layer (4), support ring (2) cup joint in the outside of PVC pipe (1), support ring (2) and PVC pipe (1) fixed connection, V-arrangement elastic block (3) have a plurality ofly, and are a plurality of the outside at support ring (2) is evenly fixed in V-arrangement elastic block (3), elastic layer (4) cup joint in the outside of V-arrangement elastic block (3), elastic layer (4) and V-arrangement elastic block (3) fixed connection, the outside of elastic layer (4) is equipped with fire-retardant layer (5), sun-proof layer (6) in proper order and prevents drawing layer (7).

2. A multilayer composite PVC plastic pipe according to claim 1, characterized in that: the PVC pipe is characterized in that the supporting rings (2) are multiple, and the supporting rings (2) are uniformly distributed on the outer side of the PVC pipe (1).

3. A multilayer composite PVC plastic pipe according to claim 1, characterized in that: the V-shaped elastic blocks (3) on two adjacent support rings (2) are distributed in a staggered manner.

4. A multilayer composite PVC plastic pipe according to claim 1, characterized in that: one end of the composite pipe (18) is fixedly connected with a first fixing ring (8), and the other end of the composite pipe (18) is fixedly connected with a second fixing ring (16).

5. A multilayer composite PVC plastic pipe according to claim 1, characterized in that: the outer side of one end of the composite pipe (18) is fixedly connected with a telescopic protective sleeve (9), and the outer side of the other end of the composite pipe (18) is provided with a clamping groove (12).

6. A multilayer composite PVC plastic pipe according to claim 5, characterized in that: the telescopic protection sleeve is characterized in that one end of the telescopic protection sleeve (9) far away from the composite pipe (18) is fixedly connected with a movable ring (10), one side of the telescopic protection sleeve (9) far away from the movable ring (10) is fixedly connected with a clamping block (11), and the clamping block (11) is matched with the clamping groove (12).

7. A multilayer composite PVC plastic pipe according to claim 4, characterized in that: fixedly connected with a screw thread section of thick bamboo (15) has been cup jointed in the one end outside of first solid fixed ring (8), the inboard of a screw thread section of thick bamboo (15) is equipped with spacing ring (14), spacing ring (14) and PVC pipe (1) fixed connection, external screw thread (17) with a screw thread section of thick bamboo (15) looks adaptation are seted up in the outside of the solid fixed ring of second (16).

8. A multilayer composite PVC plastic pipe according to claim 7, characterized in that: one side fixedly connected with second sealing washer (19) of first solid fixed ring (8) are kept away from in spacing ring (14), the inboard of the solid fixed ring of second (16) is equipped with first sealing washer (13), first sealing washer (13) and PVC pipe (1) fixed connection.