CN219140110U

CN219140110U - Double-wall corrugated water pipe

Info

Publication number: CN219140110U
Application number: CN202320179715.2U
Authority: CN
Inventors: 汪登权; 汪清; 汪博
Original assignee: Suran Pipe Industry Zhangjiakou Co ltd
Current assignee: Suran Pipe Industry Zhangjiakou Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-06
Anticipated expiration: 2033-02-10

Abstract

The utility model belongs to the technical field of building pipes, and particularly relates to a double-wall corrugated water pipe which comprises an inner pipe, an outer pipe, a left joint and a right joint, wherein the outer pipe is fixedly arranged on the outer side of the inner pipe, the left joint and the right joint are respectively fixedly arranged at two ends of the inner pipe, the outer diameter of the right joint is the same as the inner diameter of the left joint, an arc-shaped opening is formed in the left joint, a mounting groove is formed in the inner wall of the left joint, the same fastening water stop component is arranged in the mounting groove and the arc-shaped opening, and the fastening water stop component comprises a rubber belt, two fixing blocks, a sealing belt I, two bolts and a plurality of nuts. The utility model has reasonable design, ensures the sealing effect of connection while facilitating the quick connection of two double-wall corrugated pipes, effectively improves the operation convenience of the connection of the double-wall corrugated pipes, and simultaneously facilitates the disassembly and assembly operation, thereby having better practicability and applicability.

Description

Double-wall corrugated water pipe

Technical Field

The utility model relates to the technical field of building pipes, in particular to a double-wall corrugated water pipe.

Background

The double-wall corrugated pipe is a novel plastic pipe with an annular structure outer wall and a smooth inner wall, and was first developed in Germany in the early 80 s. Through the development and perfection of over ten years, the product has been developed into a complete product series from a single variety, has matured in production process and use technology, and has been greatly popularized and applied in developed countries such as Europe and America due to the excellent performance and relatively economical manufacturing cost. In China, popularization and application of HDPE double-wall corrugated pipes are in an ascending state, various technical indexes reach the use standard, the color of the inner wall of the double-wall corrugated pipe is usually blue and black, and part of the inner wall of the brand can be yellow.

However, in the existing double-wall corrugated sewage pipeline, a plurality of double-wall corrugated pipes are often required to be used in series when the pipeline is paved, the adjacent two ends are inevitably required to be connected, when the traditional double-wall corrugated pipes are connected, sealing rings are required to be sleeved on the double-wall corrugated pipes when the traditional double-wall corrugated pipes are connected in a socket joint mode, then the two adjacent double-wall corrugated pipes are spliced together by using a tensioner, and as the sealing rings rub along the inner wall of one of the double-wall corrugated pipes when the two double-wall corrugated pipes are tensioned by the tensioner, the friction force is large, the sealing connection is realized, but the excessive friction force is easy to cause excessive deformation of the sealing rings in the socket joint process, meanwhile, the sealing effect cannot be effectively ensured, and the situation that the disassembly operation is inconvenient to carry out is also caused after the traditional double-wall corrugated pipe is installed by adopting the mode, so the double-wall corrugated pipe is provided.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a double-wall corrugated water pipe.

The technical aim of the utility model is realized by the following technical scheme: a double-wall corrugated water pipe comprises an inner pipe, an outer pipe, a left joint and a right joint;

the outer pipe is fixedly arranged on the outer side of the inner pipe, the left joint and the right joint are respectively and fixedly arranged at two ends of the inner pipe, the outer diameter of the right joint is the same as the inner diameter of the left joint, an arc-shaped opening is formed in the left joint, a mounting groove is formed in the inner wall of the left joint, and the same fastening water stop assembly is arranged in the mounting groove and the arc-shaped opening.

Preferably, the fastening water stop component comprises a rubber belt, two fixing blocks, a first sealing belt, two bolts and a plurality of nuts, annular grooves are formed in the inner walls of the two sides of the mounting groove, the same rubber belt is slidably mounted in the two annular grooves, the first sealing belt is fixedly mounted on the inner side of the rubber belt, the two ends of the rubber belt are respectively extended to the arc-shaped opening positions and are respectively fixedly mounted with the fixing blocks, two bolts are fixedly mounted on the fixing blocks below, and at least two nuts are mounted on the two bolts in a threaded manner.

Preferably, sealing gaskets are adhered to one sides, close to each other, of the two fixing blocks, and two bolts penetrate through the two sealing gaskets.

Preferably, two strip-shaped clamping grooves are formed in the inner side of the first sealing belt, two second sealing belts are arranged on the right joint and are fixedly installed on the outer peripheral surface of the right joint in an annular mode, and the two second sealing belts are respectively matched with the corresponding annular clamping grooves.

Preferably, the right joint has an inner diameter identical to the inner diameter of the inner tube.

Preferably, the fixing block is made of the same material as the inner tube and the outer tube, and is made of high-density polyethylene.

The beneficial effects of the utility model are as follows: according to the utility model, the two devices can be stably connected together by fastening the water stop component and matching the left joint with the right joint, and simultaneously, the sealing effect of the two double-wall corrugated pipes after being connected can be improved under the matching of the first sealing belt, the second sealing belt and the annular clamping groove, so that the operation convenience of the double-wall corrugated pipe connection is effectively improved, meanwhile, the disassembly and assembly operations are convenient, and the device has good practicability and applicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a double-wall corrugated water pipe according to the present utility model;

FIG. 2 is a schematic view of a double-wall corrugated pipe with partial cross-sectional structure according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the portion A of a double-wall corrugated water pipe according to the present utility model;

fig. 4 is a schematic structural diagram of a portion B of a double-wall corrugated water pipe according to the present utility model.

In the figure: 1. an inner tube; 11. a left joint; 111. an arc-shaped opening; 112. an annular groove; 113. rubber belts; 114. a fixed block; 115. a bolt; 116. a nut; 117. a sealing gasket; 118. a first sealing belt; 119. a strip-shaped clamping groove; 12. a right joint; 121. a second sealing belt; 2. an outer tube.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1-4, a double-wall corrugated water pipe comprises an inner pipe 1, an outer pipe 2, a left joint 11 and a right joint 12, wherein the outer pipe 2 is fixedly installed on the outer side of the inner pipe 1, the left joint 11 and the right joint 12 are respectively fixedly installed at two ends of the inner pipe 1, the outer diameter of the right joint 12 is the same as the inner diameter of the left joint 11, meanwhile, the outer diameter of the right joint 12 can be slightly smaller than the inner diameter of the left joint 11, the resistance of the right joint 12 when the right joint 12 is inserted into the left joint 11 can be reduced, an arc-shaped opening 111 is formed in the left joint 11, a mounting groove is formed in the inner wall of the left joint 11, annular grooves 112 are formed in the inner walls of the two sides of the mounting groove, a same rubber band 113 is slidably installed in the two annular grooves 112, a sealing band 118 is fixedly installed on the inner side of the rubber band 113, two ends of the rubber band 113 are respectively fixedly installed at the positions of the arc-shaped opening 111, the material of the fixing block 114 and the inner pipe 1 and the outer pipe 2 are made of the same high-density polyethylene material, two bolts 115 are fixedly installed on the fixing block 114, two bolts 115 are not fixedly installed on the fixing block 114, the two annular bolts 115 are tightly installed on the sealing band 12 and can be tightly inserted into the right joint 12, and can be tightly screwed into the joint 11, and can be tightly controlled, and can be tightly screwed into the joint 12, and can be tightly connected to the joint 12.

In this embodiment, the sealing gaskets 117 are adhered to the sides of the two fixing blocks 114 close to each other, and the two bolts 115 penetrate through the two sealing gaskets 117, so that sealing can be achieved on the sides of the two fixing blocks 114 close to each other after the two fixing blocks 114 are installed, and meanwhile, tightness adjustment of the rubber belt 113 can be achieved by adding or subtracting the number of the sealing gaskets 117 between the two fixing blocks 114.

In this embodiment, two strip-shaped clamping grooves 119 are formed in the inner side of the first sealing strip 118, two second sealing strips 121 are arranged on the right joint 12, the two second sealing strips 121 are all fixedly installed on the outer peripheral surface of the right joint 12 in a ring shape, the two second sealing strips 121 are respectively matched with the corresponding annular clamping grooves, and the two second sealing strips 121 can be respectively clamped in the corresponding annular clamping grooves when the right joint 12 is fixed in the left joint 11 through the rubber belt 113, so that the water stopping effect of the left joint 11 and the right joint 12 after connection can be improved, and water leakage can be effectively avoided.

In this embodiment, the inner diameter of the right joint 12 is the same as the inner diameter of the inner tube 1, so that no additional resistance is applied when water flows through the right joint 12, and the smoothness of the water flow at the positions of the inner tube 1 and the right joint 12 can be ensured.

Working principle: when the device is used, firstly, two devices are placed on the same axis, then the right joint 12 is inserted into the left joint 11, after the insertion is completed, the two fixing blocks 114 are tensioned in the direction close to each other, a certain number of sealing gaskets 117 are placed between the two fixing blocks 114 according to actual needs, then the two fixing blocks 114 are fixed through bolts 115 and nuts 116, when the rubber belt 113 is tensioned through the two fixing blocks 114, two annular clamping grooves can be respectively clamped on the corresponding second sealing belt 121, meanwhile, the first sealing belt 118 is in butt joint with the outer side of the right joint 12, so that the sealing performance of the joint can be effectively improved, water leakage can be effectively avoided, the inner diameter of the right joint 12 is identical to the inner diameter of the inner pipe 1, no additional resistance is caused to water flow when water flows through the joint of the right joint 12 and the inner pipe 1, and the smoothness of water flow passing can be ensured.

The double-wall corrugated water pipe provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The double-wall corrugated water pipe is characterized by comprising an inner pipe (1), an outer pipe (2), a left joint (11) and a right joint (12);

the outer pipe (2) is fixedly arranged on the outer side of the inner pipe (1), the left joint (11) and the right joint (12) are respectively and fixedly arranged at two ends of the inner pipe (1), the outer diameter of the right joint (12) is the same as the inner diameter of the left joint (11), the left joint (11) is provided with an arc-shaped opening (111), the inner wall of the left joint (11) is provided with a mounting groove, and the mounting groove and the arc-shaped opening (111) are internally provided with the same fastening water stop assembly.

2. A double-walled corrugated water pipe according to claim 1, wherein: the fastening water stop assembly comprises a rubber belt (113), two fixing blocks (114), a first sealing belt (118), two bolts (115) and a plurality of nuts (116), annular grooves (112) are formed in the inner walls of two sides of a mounting groove, the same rubber belt (113) is arranged in the two annular grooves (112) in a sliding mode, the first sealing belt (118) is fixedly arranged on the inner side of the rubber belt (113), the fixing blocks (114) are fixedly arranged at the two ends of the rubber belt (113) in a mode of extending to the position of an arc-shaped opening (111), the two bolts (115) are fixedly arranged on the fixing blocks (114) below, and the nuts (116) are not less than two in threaded mode on the two bolts (115).

3. A double-walled corrugated water pipe according to claim 2, wherein: sealing gaskets (117) are adhered to one sides, close to each other, of the two fixing blocks (114), and two bolts (115) penetrate through the two sealing gaskets (117).

4. A double-walled corrugated water pipe according to claim 2, wherein: two strip-shaped clamping grooves (119) are formed in the inner side of the first sealing strip (118), two second sealing strips (121) are arranged on the right joint (12), the two second sealing strips (121) are fixedly mounted on the outer peripheral surface of the right joint (12) in an annular mode, and the two second sealing strips (121) are respectively matched with the corresponding annular clamping grooves.

5. A double-walled corrugated water pipe according to claim 1, wherein: the inner diameter of the right joint (12) is the same as the inner diameter of the inner tube (1).

6. A double-walled corrugated water pipe according to claim 2, wherein: the material of the fixing block (114) is the same as that of the inner tube (1) and the outer tube (2), and is a high-density polyethylene material.