CN213629285U

CN213629285U - Plastic pipe

Info

Publication number: CN213629285U
Application number: CN202021638191.1U
Authority: CN
Inventors: 冯光淑; 谢颖淇
Original assignee: Chengdu Guotong Industrial Co ltd
Current assignee: Chengdu Guotong Industrial Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-07-06
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a plastic pipe, which comprises a plurality of plastic profiles, wherein the length directions of all the plastic profiles are arranged along the length direction of the plastic pipe, and all the plastic profiles are spliced to form a pipe body of the plastic pipe; the inner wall of the plastic pipe is provided with a first plastic plate, and the outer wall of the plastic pipe is provided with a second plastic plate; flanges are respectively arranged at two ends of the plastic pipe and comprise a plurality of plugs, and each plug corresponds to and is inserted into the cavity of the plastic section. The utility model discloses a plastic tubing adopts plastic material concatenation shaping, can make into the plastic tubing of different cross-sections or be used for the preparation of heavy-calibre tubular product as required, and this plastic tubing structural strength is high, and the axiality is good, and corrosion-resistant, pressure resistance are good, easily install in the use, difficult fracture or leak, long service life.

Description

Plastic pipe

Technical Field

The utility model relates to the field of pipelines, in particular to plastic tubing.

Background

With the vigorous advance of urbanization construction, the technical innovation in the field of water supply and drainage is changing day by day. In the drainage field, the pipeline has plastic pipe, glass pipe, concrete pipe, etc., wherein the plastic pipe has low requirement to the ground, and light in weight, chemical corrosion resistance, long service life, good leakproofness, advantage such as the comprehensive cost is low is used widely. The existing plastic pipe is mostly manufactured by adopting a winding process, steps are formed during welding and winding, particularly, a large-diameter plastic pipe is difficult to produce, the rate of finished products is not high, the plastic pipe is difficult to connect during installation, the defects of cracking, stress concentration and the like are easily generated during the use process, particularly, the compressive strength performance is not high, and the engineering quality problems of cracking of the plastic on the inner wall and the outer wall of the pipe, water leakage, shortened service life and the like are easily generated during transportation, installation or use. In addition, with the continuous expansion of the scale and range of urban construction, the burying depth of the underground drainage pipeline is deeper and deeper, and in order to ensure the normal and reliable operation of the underground pipelines, the pressure to be borne by the pipe wall from the outside is larger and larger, but the process for manufacturing the plastic pipe in the prior art cannot enable the pipe wall of the plastic pipe to bear the large pressure, so that the pipe wall is deformed or even collapsed, and the smooth operation of the underground drainage pipeline is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic tubing to current plastic tubing compressive strength performance not high, the production difficulty, the yield is not high, and connects the difficulty during installation, produces the tubular product fracture easily, appears leaking, the problem that life shortens provides a plastic tubing.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

a plastic pipe comprises a plurality of plastic profiles, the length directions of all the plastic profiles are arranged along the length direction of the plastic pipe, all the plastic profiles are spliced to form a pipe body of the plastic pipe, a cavity is formed in each plastic profile, a reinforcing structure is arranged in each cavity, a plurality of convex parts and concave parts are arranged on the edges of the plastic profiles, adjacent plastic profiles are connected through hot melting welding or bonding, and the convex parts and the concave parts of the adjacent plastic profiles are embedded; the inner wall of the plastic pipe is provided with a first plastic plate, and the outer wall of the plastic pipe is provided with a second plastic plate; flanges are respectively arranged at two ends of the plastic pipe and comprise a plurality of plugs, and each plug corresponds to and is inserted into the cavity of the plastic section.

The utility model provides a plastic tubing passes through the sweat soldering or bonds the concatenation by a plurality of plastic section bar and forms, interior outer wall all is provided with the plastic slab, there is reinforced structure in plastic section bar's the cavity, plastic section bar's edge still is provided with the convex part and the concave part that correspond each other, the convex part can gomphosis each other with the concave part at plastic section bar concatenation in-process, when the plastic tubing is receiving external pressure, this kind of gomphosis structure and the reinforced structure of plastic section bar can make the section bar be difficult for taking place to warp, and adjacent plastic section bar is difficult for breaking away from, the stability of structure is kept, make the plastic tubing have excellent. The plastic pipe is high in structural strength, good in coaxiality, corrosion-resistant, good in pressure-resistant capacity, not prone to cracking or water leakage in the using process and long in service life.

Preferably, the plastic tubing is pipe, square vault pipe etc. pipe and square vault pipe are commonly used with municipal administration piping lane, especially cable piping lane.

Preferably, the plastic pipe further comprises an insulating and fire-resistant layer bonded to the inside of the first plastic plate. The heat-insulating and fireproof layer is made of asbestos cloth, glass fiber cloth, ceramic fiber cloth and the like.

Preferably, the plastic pipe further comprises a plurality of steel belts, the steel belts are arranged between the second plastic plate and the plastic section bars, the steel belts are arranged at intervals along the length direction of the plastic pipe, the steel belts are connected with the plastic plate or the plastic section bars through bonding or hot melting welding, and the strength of the plastic pipe can be enhanced through the arrangement of the steel belts.

Preferably, the cavity of the plastic profile extends through the entire plastic profile in the longitudinal direction.

Preferably, the cavity of the plastic profile can be square, round or oval.

Preferably, the edges of the plastic profiles are arc-shaped edges, the arc-shaped edges enable the plastic profiles to have better concentricity when being spliced into the arc-shaped plastic pipe, and the strength of the plastic pipe is higher.

Preferably, the convex part and/or the concave part are in a mutually matched arc shape, trapezoid shape, square shape and the like, and the convex part and the concave part can be mutually embedded when the adjacent plastic profiles are spliced, so that the adjacent plastic profiles are not easy to separate, and the situation of bonding cracking is not easy to occur.

Preferably, reinforced structure is the cross structure, and reinforced structure's setting makes the plastic section structure more firm, increases the bearing capacity of plastic tubing body, and plastic tubing stability is good.

Preferably, the flange and the plastic pipe are welded or bonded by heat fusion.

Preferably, the flange is used for the connection of adjacent plastic tubing, is provided with the packing ring simultaneously between adjacent plastic tubing, the packing ring can let adjacent plastic tubing connect closely, prevents that the junction from oozing the water leakage.

Preferably, the gasket is a rubber gasket.

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

1. the utility model provides a mode shaping that the plastic tubing passes through the plastic section concatenation all is provided with the plastic slab at the inside and outside wall of plastic tubing, and this plastic tubing is easily produced, and the yield is high, can make into the plastic tubing in different cross-sections as required, the preparation of specially adapted heavy-calibre tubular product.

2. The plastic section of the plastic pipe of the utility model is provided with a plurality of convex parts and concave parts, and the convex parts and the concave parts can be mutually embedded when the adjacent plastic sections are spliced, so that the adjacent plastic sections are not easy to separate and the condition of bonding and cracking is not easy to occur; meanwhile, a reinforcing structure is arranged in the cavity of the plastic section, so that the structure of the plastic section is firmer, the bearing capacity of the pipe body of the plastic pipe is increased, and the stability of the plastic pipe is good. The plastic pipe has the advantages of high structural strength, good coaxiality, good corrosion resistance and pressure resistance, difficult cracking or water leakage in the use process and long service life.

3. The plastic pipe comprises a heat-insulating fireproof layer, and the heat-insulating fireproof layer ensures that the plastic pipe has fireproof performance and can be used for a cable pipe gallery; in addition, the plastic pipe comprises a steel belt, so that the strength of the plastic pipe can be enhanced.

4. The utility model discloses a both ends of plastic tubing are provided with the flange, and the flange is provided with and is used for the connection between the adjacent plastic tubing, is provided with the packing ring simultaneously between the flange of adjacent plastic tubing, and the packing ring can let adjacent plastic tubing connect closely, prevents that the junction infiltration from leaking.

Description of the drawings:

FIG. 1 is a schematic structural view of a plastic pipe according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a plastic profile in embodiment 1 of the present invention;

FIG. 3 is a schematic view showing the connection between adjacent plastic pipes in example 1 of the present invention;

fig. 4 is a schematic structural view of a plastic pipe in embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a plastic profile in embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a plastic profile in embodiment 3 of the present invention;

fig. 7 is a schematic structural view of a plastic profile in embodiment 4 of the present invention;

1-plastic tube; 11-plastic section bar; 121-a first plastic panel; 122-a second plastic panel; 13-a steel belt; 14-heat insulation and fire prevention layer; 15-a flange; 16-adhesive glue; 2-a gasket; 3-a bolt; 4-a nut.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.

Example 1

As shown in fig. 1-3, a plastic pipe 1 includes a plurality of plastic profiles 11, all the plastic profiles 11 are arranged along the length direction of the plastic pipe 1 and spliced to form a pipe body of the plastic pipe 1, a cavity is arranged in each plastic profile 11, a reinforcing structure is arranged in the cavity, a plurality of convex parts and concave parts are arranged on the edges of the plastic profiles 11, adjacent plastic profiles 11 are connected together by bonding, and the convex parts and concave parts which are matched with each other in the adjacent plastic profiles 11 are embedded; a first plastic plate 121 is arranged on the inner wall of the plastic tube 1, and a second plastic plate 122 is arranged on the outer wall of the plastic tube 1; flanges 15 are respectively arranged at two ends of the plastic pipe 1, each flange 15 comprises a plurality of plugs, each plug corresponds to and is inserted into the cavity of the plastic section bar 11, and the flanges 15 are welded or bonded with the plastic pipe 1 through hot melting.

As shown in fig. 1, the cross section of the plastic pipe 1 of the present embodiment is circular, is a circular pipe, and is used as a drain pipe, all the plastic profiles 11 are spliced to form the plastic pipe 1 by bonding in the direction of an arc, the structural diagram of the plastic profiles 11 is as shown in fig. 2, the plastic profiles 11 are square, two straight edges of the plastic profiles 11 are splicing edges when adjacent plastic profiles are spliced, respectively, wherein one straight edge has two semicircular convex portions, the other corresponding edge has two semicircular concave portions, and the convex portions and the concave portions can be mutually embedded in the plastic profile splicing process, so that the connection is firmer, and the plastic pipe is not easy to crack; the upper and lower edges of the plastic section bar 11 are arc-shaped edges, so that the plastic section bar has better concentricity when being spliced into a circular plastic pipe. There are cavity and reinforced structure in plastic section bar 11, the utility model discloses a reinforced structure is the cruciform structure, divide into 4 little cavities with plastic section bar 11's cavity, and reinforced structure's setting can let plastic section bar 11 structures more firm, increases the bearing capacity of 1 body of plastic tubing, and 1 stability of plastic tubing is better. The plastic pipe of the embodiment is further provided with a plurality of steel belts 13, the steel belts 13 are arranged between the second plastic plate 122 on the outer wall of the plastic pipe 1 and the plastic profiles 11, each steel belt 13 is arranged at intervals along the length direction of the plastic pipe 1, and the intervals of each steel belt are filled with the adhesive 16, as shown in fig. 3. The utility model discloses a plastic tubing adopts plastic material concatenation shaping, easily production, and the yield is high, can make into the plastic tubing of different cross-sections as required, the preparation of specially adapted heavy-calibre tubular product.

Fig. 3 shows a schematic connection diagram between adjacent plastic pipes 1, where the two ends of the pipe body of each plastic pipe 1 are provided with a connecting flange 15, each flange 15 includes a plurality of plugs, each plug corresponds to and is inserted into the cavity of the plastic profile 11, when connecting, a gasket 2 is placed between the flanges 15 of the adjacent plastic pipes 1, and after the plastic pipes 2 are aligned, the flanges 15 are connected by bolts 3 and fixed by nuts 4. The gasket can enable adjacent plastic pipes to be tightly connected and prevent water seepage and leakage at the joint. This use neotype plastic tubing to pass through flange joint when the installation, the junction has the packing ring, simple to operate, swift, firm in connection, is difficult for the infiltration to leak.

Example 2

As shown in fig. 2, 4 and 5, a plastic tube. As shown in fig. 4, the plastic pipe 1 of the present embodiment is a square arched pipe, the plastic pipe 1 includes a plurality of plastic profiles 11, and is formed by splicing the plastic profiles 11 shown in fig. 2 and 5, and the length directions of all the plastic profiles 11 are arranged along the length direction of the plastic pipe 1 and are spliced to form a pipe body of the plastic pipe 1, as shown in fig. 5, the plastic profiles 11 are square, the upper and lower edges of the plastic profiles 11 are provided with a concave portion and a convex portion, the lower edge is provided with two semicircular convex portions, the corresponding upper edge is provided with two semicircular concave portions, and the convex portions and the concave portions can be mutually embedded in the plastic profile splicing process. There are cavity and reinforced structure in plastic section bar 11, the utility model discloses a reinforced structure is cruciform structure, divide into 4 little cavities with plastic section bar 11's cavity. The inner and outer walls of the plastic tube 1 are adhered with a first plastic plate 121 and a second plastic plate 122; the plastic pipe of this embodiment is further provided with a heat and fire insulating layer 14, and the heat and fire insulating layer 14 is bonded on the inner side of the first plastic plate 121 on the inner wall of the plastic pipe 1, as shown in fig. 4, and the heat and fire insulating layer 14 is made of asbestos cloth, so that the plastic pipe has fire resistance and can be used for a cable duct corridor. The two ends of the plastic pipe 1 are respectively provided with a flange 15, each flange 15 comprises a plurality of plugs, each plug corresponds to and is inserted into the cavity of the plastic section, and the flanges 15 are connected with the plastic pipe 1 in a bonding mode.

Example 3

The cross-section of the plastic pipe shown in this embodiment is square, and the plastic pipe is a square pipe, and the plastic pipe includes a plurality of plastic profiles 11 as shown in fig. 6, and all the plastic profiles 11 are arranged in the length direction of the plastic pipe, and are spliced to form a pipe body of the plastic pipe. As plastic section bar 11 shown in fig. 6, plastic section bar 11 is square, and two limits are provided with convex part and concave part on plastic section bar's the lower, and the lower level has two square convex parts, and the higher authority that corresponds has two square concave parts, and convex part and concave part can gomphosis each other at plastic section bar concatenation in-process, have cavity and reinforced structure in the plastic section bar, the utility model discloses a reinforced structure is cruciform structure, divide into 4 little cavitys with plastic section bar's cavity. The inner wall of the plastic pipe is provided with a first plastic plate, and the outer wall of the plastic pipe is provided with a second plastic plate; flanges are respectively arranged at two ends of the plastic pipe and comprise a plurality of plugs, and each plug corresponds to and is inserted into the cavity of the plastic section bar 11.

Example 4

This embodiment is similar to embodiment 3, except that the plastic profile used in this embodiment is different from embodiment 3, and the plastic profile used in this embodiment is as shown in fig. 7. As the plastic section bar shown in fig. 7, plastic section bar 11 is square, and two upper and lower edges of plastic section bar are provided with convex part and concave part, and two edges on lower limit have square convex part respectively, and two edges on corresponding upper limit have square concave part respectively, and convex part and concave part can gomphosis each other at plastic section bar concatenation in-process, have cavity and reinforced structure in the plastic section bar, the utility model discloses a reinforced structure is the cruciform structure, divide into 4 little cavitys with the cavity of plastic section bar.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The plastic pipe is characterized in that the plastic pipe (1) comprises a plurality of plastic profiles (11), the length directions of all the plastic profiles (11) are arranged along the length direction of the plastic pipe (1), all the plastic profiles (11) are spliced to form a pipe body of the plastic pipe (1), a cavity is formed in each plastic profile (11), a reinforcing structure is arranged in each cavity, a plurality of convex parts and concave parts are arranged on the edges of the plastic profiles (11), adjacent plastic profiles (11) are connected through hot melting welding or bonding, and the convex parts and the concave parts of the adjacent plastic profiles (11) are embedded;

a first plastic plate (121) is arranged on the inner wall of the plastic pipe (1), and a second plastic plate (122) is arranged on the outer wall of the plastic pipe (1); flanges (15) are respectively arranged at two ends of the plastic pipe (1), each flange (15) comprises a plurality of plugs, and each plug corresponds to and is inserted into the cavity of the plastic section bar (11).

2. Plastic tube according to claim 1, characterized in that the plastic tube (1) is a round tube, a square dome tube.

3. A plastic tube according to claim 1, characterized in that the cavity of the plastic profile (11) is square, circular or oval.

4. A plastics pipe according to claim 1, wherein the male and female parts are of mutually matching arcuate, trapezoidal or square shape.

5. A plastics pipe according to claim 1, wherein the reinforcing structure is a cruciform structure.

6. A plastics pipe according to claim 1, characterized in that the edges of the plastics profile (11) are curved edges.

7. Plastic tube according to claim 1, characterized in that the plastic tube (1) is provided with at least one steel strip (13), which steel strip (13) is provided between the second plastic plate (122) and the plastic profile (11), which steel strips (13) are arranged at intervals in the length direction of the plastic tube (1).

8. Plastic pipe according to claim 1, characterized in that the plastic pipe (1) is provided with an insulating and fire-resistant layer (14), the insulating and fire-resistant layer (14) being bonded to the inside of the first plastic plate (121).

9. Plastic pipe according to any of claims 1-8, characterized in that adjacent plastic pipes (1) are connected by means of the flanges (15), and that gaskets (2) are provided between the flanges (15) of adjacent plastic pipes (1).

10. A plastics pipe according to claim 9, wherein the gasket (2) is a rubber gasket.