Low-pressure pollution discharge polyvinyl chloride pipe

Abstract

The utility model discloses a low-pressure pollution discharge polyvinyl chloride pipe, which comprises a pipe main body, one end of the pipe main body is provided with a plug, the other end of the pipe main body is provided with a slot matched with the plug, and the pipe main body is provided with a sealing gasket on the inner side of the slot; an outer sealing ring is installed at the position, located at the inserting groove, of the pipe body, and two inner sealing rings are installed at the position, located at the inserting head, of the pipe body. When the plug is inserted into the slot, the two inner sealing rings are located on the two sides of the outer sealing ring respectively. According to the utility model, the inner sealing ring and the outer sealing ring are arranged at intervals, so that the sealing performance of pipe joints is improved; the pipe body is provided with a sealing ring on the inner side of the slot, so that the sealing performance is further improved; and the sealing ring is relatively simple to mount.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage pipes, in particular to a low-pressure sewage discharge polyvinyl chloride pipe. Background Art

[0002] As external rainwater flows down through multiple sewage outlets, the existing sewage in the municipal drainage pipe refers to the rainwater and sewage pipes under the municipal roads, commonly known as "sewer pipes", which are usually called municipal drainage pipes in engineering, so that the sewage can be collected and discharged.

[0003] The existing publication number CN212226290U discloses a municipal drainage and sewage pipe, which includes a plurality of pipe bodies connected in sequence, one end of the pipe body is sleeved with a connecting pipe, the connecting pipe is provided with a convex strip, the end of the pipe body away from the connecting pipe is provided with a slot for the convex strip to be inserted, an air bag is provided between the connecting pipe and the pipe body, and the air bag is connected with an inflatable member. The connecting pipe is rotated to make the convex strip engage with the slot, so as to achieve an axial limit effect on the connecting pipe, so that the connecting pipe is not easily separated from the connected pipe body, and when installing, there is no need to pull the entire pipe body, which improves the convenience of installation; the air bag is provided, and after the convex strip is engaged and fixed with the slot, the inflatable member is used to inflate the air bag, so that the air bag fills the gap between the connecting pipe and the pipe body, so as to improve the sealing of the pipe connection, so that the pipe connection is not easy to leak, and the sealing effect of the pipe connection is better.

[0004] The existing technology uses airbags to achieve sealing, which is rather troublesome, and the low-pressure sewage pipe does not require the above-mentioned sealing structure. Therefore, we propose a low-pressure sewage discharge polyvinyl chloride pipe. Utility Model Content

[0005] The utility model aims to provide a low-pressure sewage discharge polyvinyl chloride pipe to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-pressure sewage discharge polyvinyl chloride pipe, including a pipe body, a plug is arranged at one end of the pipe body, a slot matching with the plug is arranged at the other end of the pipe body, and a sealing gasket is installed on the inner side of the pipe body located at the slot; an outer sealing ring is installed at the slot of the pipe body, and two inner sealing rings are installed at the plug of the pipe body; when the plug is inserted into the slot, the two inner sealing rings are respectively located on both sides of the outer sealing ring.

[0007] Preferably, a flange is provided at one end of the pipe body located at the plug, and a flange is provided at one end of the pipe body located at the slot.

[0008] Preferably, the plug is provided with a mounting groove cooperating with the inner sealing ring, the pipe body is provided with a mounting groove cooperating with the outer sealing ring at the slot, and the sealing gasket, the outer sealing ring and the inner sealing ring are made of silicone or rubber.

[0009] Preferably, the tube body comprises a substrate layer, an anti-aging layer is arranged on the outer side of the substrate layer, and an anti-scratch layer is arranged on the outer side of the anti-aging layer.

[0010] Preferably, the anti-aging layer is a fluororubber layer, and the anti-scratch layer is a silicone-based resin layer.

[0011] Preferably, reinforcement protrusions are arranged at equal intervals on the outer side of the pipe body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. An outer sealing ring is installed at the slot of the pipe body, and two inner sealing rings are installed at the plug of the pipe body; when the plug is inserted into the slot, the two inner sealing rings are respectively located on both sides of the outer sealing ring. The sealing performance of the pipe connection is improved by setting the inner and outer sealing rings at intervals; a sealing ring is installed on the inner side of the slot of the pipe body to further improve the sealing performance; and the installation of the sealing ring is relatively simple.

[0014] 2. An anti-aging layer is arranged on the outside of the base material layer, and an anti-scratch layer is arranged on the outside of the anti-aging layer to improve the anti-aging and anti-scratch properties of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the connection of the utility model;

[0018] Figure 3 It is a cross-sectional view of the utility model with a reinforcement protrusion;

[0019] Figure 4 It is a schematic diagram of the composition structure of the pipe body of the utility model.

[0020] In the figure: 1. pipe body; 2. plug; 3. flange; 4. sealing gasket; 5. outer sealing ring; 6. inner sealing ring; 7. reinforcement protrusion; 11. base material layer; 12. anti-aging layer; 13. anti-scratch layer. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0022] See also Figure 1-4 In the embodiment of the utility model, a low-pressure sewage discharge polyvinyl chloride pipe comprises a pipe body 1, a plug 2 is arranged at one end of the pipe body 1, a slot matching the plug 2 is arranged at the other end of the pipe body 1, a sealing gasket 4 is installed on the inner side of the slot of the pipe body 1; a mounting groove matching the inner sealing ring 6 is opened at the plug 2, and a mounting groove matching the outer sealing ring 5 is opened at the slot of the pipe body 1, and the sealing gasket 4, the outer sealing ring 5 and the inner sealing ring 6 are made of silicone or rubber; an outer sealing gasket 4 is installed at the slot of the pipe body 1 Ring 5, the pipe body 1 is provided with two inner sealing rings 6 at the plug 2; when the plug 2 is inserted into the slot, the two inner sealing rings 6 are respectively located on both sides of the outer sealing ring 5, and the sealing performance of the pipe connection is improved by the interval setting of the inner and outer sealing rings; the pipe body is provided with a sealing ring on the inner side of the slot to further improve the sealing performance; and the installation of the sealing ring is relatively simple; the pipe body 1 is provided with a flange 3 at one end of the plug 2, and the pipe body 1 is provided with a flange 3 at one end of the slot, and reinforcement protrusions 7 are arranged at equal intervals on the outside of the pipe body 1.

[0023] The pipe body 1 includes a substrate layer 11, an anti-aging layer 12 is arranged on the outer side of the substrate layer 11, and an anti-scratch layer 13 is arranged on the outer side of the anti-aging layer 12; the anti-aging layer 12 is made of a fluororubber layer, and the anti-scratch layer 13 is made of a silicone-based resin layer, so as to improve the anti-aging and anti-scratch properties of the pipe.

[0024] The working principle of the utility model is as follows: a pipe body 1 is provided with an installation groove matched with an outer sealing ring 5 at the slot, and a sealing gasket 4, an outer sealing ring 5 and an inner sealing ring 6 are made of silicone or rubber parts; an outer sealing ring 5 is installed at the slot of the pipe body 1, and two inner sealing rings 6 are installed at the plug 2 of the pipe body 1; when the plug 2 is inserted into the slot, the two inner sealing rings 6 are respectively located on both sides of the outer sealing ring 5, and the sealing performance of the pipe connection is improved by the interval arrangement of the inner and outer sealing rings; a sealing ring is installed on the inner side of the pipe body located at the slot to further improve the sealing performance.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A low-pressure sewage discharge polyvinyl chloride pipe, comprising a pipe body (1), characterized in that: A plug (2) is provided at one end of the pipe body (1), a slot matching the plug (2) is provided at the other end of the pipe body (1), a sealing gasket (4) is installed on the inner side of the slot of the pipe body (1); an outer sealing ring (5) is installed at the slot of the pipe body (1), and two inner sealing rings (6) are installed at the plug (2) of the pipe body (1); when the plug (2) is inserted into the slot, the two inner sealing rings (6) are respectively located on both sides of the outer sealing ring (5).

2. A low-pressure sewage discharge polyvinyl chloride pipe according to claim 1, characterized in that: The pipe body (1) is provided with a flange (3) at one end of the plug (2), and the pipe body (1) is provided with a flange (3) at one end of the slot.

3. A low-pressure sewage discharge polyvinyl chloride pipe according to claim 1, characterized in that: The plug (2) is provided with a mounting groove that cooperates with the inner sealing ring (6), the pipe body (1) is provided with a mounting groove that cooperates with the outer sealing ring (5) at the slot, and the sealing pad (4), the outer sealing ring (5) and the inner sealing ring (6) are made of silicone or rubber.

4. A low-pressure sewage discharge polyvinyl chloride pipe according to claim 1, characterized in that: The pipe body (1) comprises a base material layer (11), an anti-aging layer (12) is arranged on the outer side of the base material layer (11), and an anti-scratch layer (13) is arranged on the outer side of the anti-aging layer (12).

5. A low-pressure sewage discharge polyvinyl chloride pipe according to claim 4, characterized in that: The anti-aging layer (12) is made of a fluororubber layer, and the anti-scratch layer (13) is made of an organic silicon-based resin layer.

6. A low-pressure sewage discharge polyvinyl chloride pipe according to claim 1, characterized in that: Reinforcement protrusions (7) are arranged at equal intervals on the outer side of the pipe body (1).

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