CN218208251U

CN218208251U - A anticorrosive connecting piece for sewage pipe

Info

Publication number: CN218208251U
Application number: CN202222505219.XU
Authority: CN
Inventors: 潘建勇
Original assignee: Jiangsu Jixinhao Pipeline Engineering Co ltd
Current assignee: Jiangsu Jixinhao Pipeline Engineering Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-03
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses an anticorrosive connecting piece for sewage pipeline, first pipeline and second pipeline including two first being connected, the both ends of first pipeline and second pipeline are provided with outer tube and interior sleeve pipe respectively, interconnect between the interior sleeve pipe on outer tube on the first pipeline and the second pipeline, match each other and mutual gomphosis between outer tube and the interior sleeve pipe simultaneously, through annular flange and annular between the limit, and correspond each other between interior slope and the outer slope and support and paste, can make to form two-sided cover between outer tube and the interior sleeve pipe and establish and be connected, and simultaneously, make outer tube and interior sheathed tube contact surface more tortuous stricter under the annular gomphosis of annular groove and annular sand grip, in addition, the erosion of good acid and alkali resistance and salt solution that has through the water proof paint, and splendid waterproof nature and high cohesiveness, make the contact surface between outer tube and the interior sleeve pipe more firm, tight and good corrosion-resistant characteristics, moreover, the steam generator is simple structure, easily make and install fast.

Description

A anticorrosive connecting piece for sewage pipe

Technical Field

The utility model belongs to sewage pipeline technical direction, concretely relates to anticorrosive connecting piece for sewage pipeline.

Background

The sewage pipeline system consists of pipelines for collecting and conveying urban sewage and auxiliary structures thereof, wherein the sewage flows into the main pipe from the branch pipe, then flows into the main pipe and finally flows into a sewage treatment plant; when the sewage pipeline is laid, two adjacent pipelines need to be connected, and the connection needs to use a connecting member, as the sewage contains more impurities, organic matters and inorganic matters, the pollutants have certain destructiveness, and can corrode the connecting piece and the connecting part of the connecting piece in the long-term use process, so that the connecting part leaks and the connecting effect of the connecting part is damaged to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to a device a anticorrosive connecting piece for sewer line to solve the problem that receives the corruption easily when long-term the use of the connecting piece of the sewer line who proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an anticorrosive connecting piece for sewer line, includes first pipeline and the second pipeline that two head positions are connected, the both ends of first pipeline and second pipeline are provided with outer tube and interior sleeve pipe respectively, interconnect between the interior sleeve pipe on outer tube on the first pipeline and the second pipeline, match each other and gomphosis each other between outer tube and the interior sleeve pipe simultaneously.

The utility model discloses explain further, the inboard of outer tube is provided with annular flange and interior slope respectively, interior sleeve pipe is last be provided with respectively with the annular of the corresponding butt of annular flange support the limit and with the outer slope of interior slope phase-match butt, interior slope is the outdiffusion structure towards interior sheathed tube a tip simultaneously.

The utility model discloses explain further, the lateral wall of annular flange is provided with the annular groove of its annular surface trend of at least two rings edge, the annular is supported the lateral wall on limit and is provided with the annular sand grip with the corresponding gomphosis of annular groove, simultaneously, the outer wall coating that annular flange, interior slope, annular supported limit and outer slope has the waterproof paint when connecting.

The utility model discloses explain further, the outer wall coating on annular flange, interior slope, annular edge and the outer slope has corrosion-resistant coating.

The utility model discloses further explain, the inside wall on interior slope is provided with spacing recess, the inner wall of spacing recess is provided with the gomphosis and has the sealing washer, the interior rampart round of sealing washer is provided with evenly distributed's annular arch, and simultaneously, annular arch salient in the inside wall on interior slope.

The utility model discloses further explain, the free end of outer tube is provided with a plurality of pinholes, and the pinhole is annular display formula evenly distributed in the round of outer tube, the lateral wall that lies in outer slope simultaneously on the interior sleeve pipe is provided with the cotter way corresponding with the pinhole, simultaneously, after outer tube and interior sleeve pipe butt joint, the fixed pin has been inserted to the inboard of its pinhole and cotter way.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: through annular flange, the limit is supported to the annular, interior slope and the outer slope between correspond each other and support the subsides, can make to form two-sided cover between outer tube and the interior sleeve pipe and establish and be connected, and simultaneously, make outer tube and interior sheathed tube contact surface more tortuous rigorous under the annular gomphosis of annular groove and annular sand grip, in addition, can effectively improve the acid and alkali resistance of junction under the dual cooperation of waterproof paint and corrosion-resistant coating, waterproof nature and high cohesiveness, make the contact surface between outer tube and the interior sleeve pipe more firm, tight, life obtains obviously improving, moreover, the steam generator is simple in structure, easily make and install fast.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall front sectional structure of the present invention;

FIG. 3 is a schematic view of the inner structure of the outer sleeve and the inner sleeve of the present invention;

fig. 4 is a schematic view of a part a of the enlarged structure of fig. 3 according to the present invention;

in the figure: 1. a first conduit; 2. a second pipe; 3. an outer sleeve; 31. an annular flange; 310. an annular groove; 32. an inner slope; 321. a limiting groove; 33. a seal ring; 330. an annular projection; 34. a pin hole; 4. an inner sleeve; 41. annular abutting edges; 410. an annular rib; 42. an outer slope; 43. a pin slot; 5. waterproof paint; 6. a fixing pin; 7. a corrosion-resistant coating.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an anticorrosion connecting piece for a sewage pipeline comprises a first pipeline 1 and a second pipeline 2 which are connected in an initial position, wherein two ends of the first pipeline 1 and the second pipeline 2 are respectively provided with an outer sleeve 3 and an inner sleeve 4, the outer sleeve 3 on the first pipeline 1 and the inner sleeve 4 on the second pipeline 2 are connected with each other, and the outer sleeve 3 and the inner sleeve 4 are matched with each other and are mutually embedded;

in this embodiment, the inner side of the outer sleeve 3 is respectively provided with an annular rib 31 and an inner slope 32, the inner sleeve 4 is respectively provided with an annular abutting edge 41 abutting against the annular rib 31 correspondingly, and an outer slope 42 abutting against the inner slope 32 in a matching manner, meanwhile, one end part of the inner slope 32 facing the inner sleeve 4 is in an outward diffusion structure, the outer side wall of the annular rib 31 is provided with at least two rings of annular grooves 310 along the direction of the annular surface thereof, the outer side wall of the annular abutting edge 41 is provided with an annular protruding strip 410 engaged with the annular grooves 310 correspondingly, and meanwhile, the outer walls of the annular rib 31, the inner slope 32, the annular abutting edge 41 and the outer slope 42 are coated with waterproof paint 5 when being connected, through the mutual corresponding abutting between the annular flange 31 and the annular abutting edge 41 and between the inner slope 32 and the outer slope 42, the double-sided sleeved connection between the outer sleeve 3 and the inner sleeve 4 can be formed, meanwhile, the contact surface between the outer sleeve 3 and the inner sleeve 4 is more bent and tighter under the annular embedding of the annular groove 310 and the annular convex strip 410, in addition, the waterproof paint 5 can adopt epoxy adhesive, has good acid-base resistance and salt water erosion, and also has excellent waterproofness and high cohesiveness, so that the contact surface between the outer sleeve 3 and the inner sleeve 4 is firmer, tighter and better corrosion-resistant, and the structure is simple, easy to manufacture and fast to install;

further, the outer walls of the annular rib 31, the inner slope 32, the annular abutment edge 41 and the outer slope 42 are coated with the corrosion-resistant coating 7, the corrosion-resistant coating 7 may be a polyolefin coating having excellent acid-base resistance and water repellency, and by coating the outer walls of the annular rib 31, the inner slope 32, the annular abutment edge 41 and the outer slope 42 with a polyolefin coating in advance, it is possible to further improve the corrosion resistance of the contact surface of the outer sleeve 3 with the inner sleeve 4.

Further, as an optimization, the inner side wall of the inner slope 32 is provided with a limiting groove 321, the inner wall of the limiting groove 321 is provided with a sealing ring 33 in an embedded manner, a circle of the inner annular wall of the sealing ring 33 is provided with uniformly distributed annular protrusions 330, meanwhile, the annular protrusions 330 protrude out of the inner side wall of the inner slope 32, and the sealing ring 33 and the annular protrusions 330 of the plurality of loop line structures inside the sealing ring 33 and the sealing ring 33 can significantly improve the connection sealing performance between the outer sleeve 3 and the inner sleeve 4, thereby effectively reducing the possibility of leakage of the pipeline.

Further, as preferred, the free end of outer tube 3 is provided with a plurality of pinhole 34, and pinhole 34 is the round of circular arrangement evenly distributed in outer tube 3, the lateral wall that lies in outer slope 42 simultaneously on interior sleeve 4 is provided with the cotter way 43 corresponding with pinhole 34, and simultaneously, after outer tube 3 and interior sleeve 4 dock, the inboard of its pinhole 34 and cotter way 43 has inserted fixed pin 6, in order to make the connection between outer tube 3 and the interior sleeve 4 more firm, can coat a layer of adhesive glue at the outer wall of fixed pin 6 after the dock, and insert it directly in pinhole 34 and the cotter way 43 that corresponds, make and form a firm integrated structure between outer tube 3 and the interior sleeve 4, also avoided the not hard up drawback of screw thread that adopts flange joint to bring simultaneously, the structure is very simple, while convenient operation is swift.

In summary, according to the anticorrosion connector for a sewage pipe in the present embodiment, the annular rib 31 and the annular abutting edge 41 and the inner slope 32 and the outer slope 42 are abutted against each other correspondingly, so that a double-sided sleeving connection is formed between the outer sleeve 3 and the inner sleeve 4, and meanwhile, the contact surface between the outer sleeve 3 and the inner sleeve 4 is more zigzag and tight under the annular embedding of the annular groove 310 and the annular convex strip 410, and in addition, the waterproof paint 5 can adopt an epoxy adhesive, which has good alkali resistance and erosion resistance of salt water, and simultaneously has excellent waterproof property and high adhesion, so that the contact surface between the outer sleeve 3 and the inner sleeve 4 is more firm, and has good corrosion resistance characteristics, after the abutting joint, a layer of adhesive can be coated on the outer wall of the fixing pin 6, and the adhesive can be directly inserted into the pin hole 34 and the corresponding pin groove 43, so that a firm integrated structure is formed between the outer sleeve 3 and the inner sleeve 4.

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

Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalent substitutions may be made to some of the features of the embodiments without departing from the spirit and scope of the invention.

Claims

1. An anticorrosive connecting piece for sewer line which characterized in that: the pipeline comprises a first pipeline (1) and a second pipeline (2) which are connected with each other at first positions, wherein an outer sleeve (3) and an inner sleeve (4) are respectively arranged at two ends of the first pipeline (1) and the second pipeline (2), the outer sleeve (3) on the first pipeline (1) is connected with the inner sleeve (4) on the second pipeline (2) in a mutual connection mode, and meanwhile the outer sleeve (3) and the inner sleeve (4) are mutually matched and are mutually embedded.

2. The corrosion resistant connector of claim 1 for a sewer line, wherein: the inboard of outer tube (3) is provided with annular flange (31) and interior slope (32) respectively, be provided with annular that corresponds butt with annular flange (31) on interior sleeve pipe (4) respectively and support limit (41) and with outer slope (42) of interior slope (32) phase-match butt, interior slope (32) is outward diffusion structure towards the tip of interior sleeve pipe (4) simultaneously.

3. The corrosion resistant connector of claim 2 for a sewer line, wherein: the lateral wall of annular flange (31) is provided with annular groove (310) of at least two rings along its annular surface trend, the annular is supported the lateral wall of limit (41) and is provided with annular sand grip (410) with the corresponding gomphosis of annular groove (310), simultaneously, the outer wall coating that annular flange (31), interior slope (32), annular supported limit (41) and outer slope (42) has waterproof paint (5) when connecting.

4. An anti-corrosion connector for a sewer pipe according to claim 3, further comprising: the outer walls of the annular rib (31), the inner slope (32), the annular abutting edge (41) and the outer slope (42) are coated with the corrosion-resistant coating (7).

5. The corrosion resistant connector of claim 4 for a sewer line, wherein: the inner side wall of the inner slope (32) is provided with a limiting groove (321), the inner wall of the limiting groove (321) is provided with a sealing ring (33) in an embedded mode, a circle of inner ring wall of the sealing ring (33) is provided with uniformly distributed annular protrusions (330), and meanwhile the annular protrusions (330) protrude out of the inner side wall of the inner slope (32).

6. An anti-corrosion connector for a sewer pipe according to claim 5, further comprising: the free end of outer tube (3) is provided with a plurality of pinhole (34), and pinhole (34) are the round of annular display evenly distributed in outer tube (3), the lateral wall that lies in outer slope (42) simultaneously on interior sleeve pipe (4) is provided with cotter way (43) corresponding with pinhole (34), simultaneously, after outer tube (3) and interior sleeve pipe (4) dock, the inboard of its pinhole (34) and cotter way (43) is inserted and is had fixed pin (6).