CN211118205U

CN211118205U - Agricultural water conservancy PVC pipeline junction seal structure

Info

Publication number: CN211118205U
Application number: CN201921112365.8U
Authority: CN
Inventors: 王健; 王立强; 曾祥通; 王志磊; 王敬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-07-28
Anticipated expiration: 2029-07-16

Abstract

The utility model provides an agricultural water conservancy PVC pipe connection department seal structure, this seal structure adopt and are responsible for body, inner tube cover and outer pipe sleeve triplex and constitute, but each part independent manufacturing connects the equipment soon through the internal and external screw thread in two places, through the sealed cubic pressurized seal of elasticity, have simple structure, installation dismantlement convenience, difficult leaking and drop, characteristics such as repeatedly usable are fit for popularizing and applying in irrigation and water conservancy facility.

Description

Agricultural water conservancy PVC pipeline junction seal structure

Technical Field

The utility model relates to an agricultural water conservancy pipeline connection sealing device, concretely relates to hydraulic engineering pipeline PVC pipe connection department seal structure.

Background

The construction of pipelines in the construction engineering of agricultural water conservancy engineering is an important ring, because the lengths of water conservancy water pipes are fixed, the pipelines with insufficient lengths need to be connected with two or more water pipes, but the water pipe sealing joints are needed to be used as important accessories for connecting the pipelines to play a role in fastening connection, the existing methods have two types, one is to bond and connect the water pipes and the joints after heating the water pipes and the joints, and the defects are that special tools are needed and can not be disassembled, the other is to adopt the pipe sleeves to be connected with each other, but the pipe sleeves in the prior art only clamp the outer walls of the water pipes, and because the water pipes have water pressure impact in the irrigation process, the pipe sleeves have simple structures, the problems of poor sealing performance and easy water leakage, the water pipes are easy to slide and fall off in the irrigation process, and the complicated pipe sleeves can increase the manufacturing cost, can not be assembled or disassembled or is inconvenient; meanwhile, because the PVC water pipe is a general part produced in batches, the concentricity, the thin wall thickness and the high forming requirements of the PVC water pipe are met during assembly, and after the PVC water pipe is damaged, the sealing structure is discarded, so that the resource waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to prior art not enough, the to-be-solved technical problem of the utility model is to provide an agricultural water conservancy PVC pipe connection department seal structure, this seal structure has simple structure, installation and dismantlement convenience, is difficult for leaking and drops, characteristics such as repeatedly usable are fit for popularizing and applying in irrigation and water conservancy irrigation facilities.

For realizing the effect that can make PVC water piping connection sealed on the market, the utility model provides a technical scheme as follows:

the utility model provides an agricultural water conservancy PVC pipeline junction seal structure, includes the main pipe body, left sealing member and right sealing member, the main pipe body divide into horizontal segment, left linkage segment and right linkage segment, wherein left linkage segment and right linkage segment respectively with left sealing member and right sealing member fastening connection, wherein left sealing member and right sealing member are mirror symmetry structure, all include interior sleeve pipe and outer tube, the structure of left and right linkage segment is continuous Z shape structure, the outer wall of left and right linkage segment is provided with external screw thread one, the tip end of left and right linkage segment is V-arrangement inner lip, the outer tube is continuous L shape structure, and its inner wall is provided with two sections internal threads, is internal thread one and internal thread two respectively, and internal screw thread one and internal screw thread two are located the horizontal segment of outer tube respectively, external screw thread one with the internal screw thread one of outer tube connects soon, interior sleeve pipe outer wall bellied V-arrangement outer lip butt joint, the main pipe body be provided with O type rubber seal circle between left and right linkage segment with the inner tube is provided with two external screw thread fastening on the outer wall of the main pipe body relative one side, the internal screw thread two external screw thread fastening and inner tube is equipped with PVC pipeline sealing ring and the PVC sealing ring and the horizontal sealing ring that the external screw thread two external screw thread seals between the waterproof layer and the PVC pipeline inner tube is gradually.

Further, the waterproof layer adopts the hollow cylinder shape of material for rubber, and its face with the contact of PVC water pipe becomes the uneven form, and the installation fastening back, the waterproof layer is in the same place with the close laminating of PVC water pipe, further prevents that rivers from revealing, also can increase the resistance of horizontal direction between seal structure and the PVC water pipe simultaneously, avoids taking place not hard up.

Furthermore, the outer shape of the main pipe body is hexagonal, which is beneficial to screwing the left and right end sealing elements to be respectively fastened with the main pipe body in a sealing manner.

Furthermore, the outer surface of the outer sleeve is provided with a groove-shaped groove or a protrusion, so that the contact friction force is increased during screwing, and the disassembly and the assembly are convenient.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

1. the sealing structure is simple in structure, and comprises a main pipe body, an inner pipe sleeve and an outer pipe sleeve, each part can be manufactured independently, and the PVC pipe can be assembled by screwing the inner threads and the outer threads at two positions, so that the PVC pipe is convenient to mount and dismount, the PVC pipe can be repeatedly used by replacing the pipe after being damaged, the agricultural cost is reduced, and the PVC pipe can be prevented from falling off due to the influence of water pressure and the like due to the matching of the inner threads and the outer threads at two sections;

2. the sealing structure ensures that the whole sealing structure does not leak due to rubber aging in long-term use through three times of elastic sealing, namely an O-shaped rubber sealing ring, a waterproof layer and a wedge block rubber sealing ring.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the sealing structure of the present invention.

Fig. 2 is the schematic view of the sectional structure of the main tube in the sealing structure of the present invention.

Fig. 3 is a schematic view of the sectional structure of the inner sleeve in the sealing member at the left end of the sealing structure of the present invention.

Fig. 4 is the schematic view of the sectional structure of the outer sleeve in the sealing member at the left end of the sealing structure of the present invention.

Fig. 5 is a partially enlarged view of fig. 1.

1. A primary tube; 2. an inner sleeve; 3. an outer sleeve; 4. a first external thread; 5. a V-shaped inner lip; 6. a first internal thread; 7. a second internal thread; 8. a V-shaped outer lip; 9. an O-shaped rubber sealing ring; 10. a second external thread; 11. a waterproof layer; 12. wedge-shaped rubber sealing ring.

Detailed Description

As shown in fig. 1-4, the sealing structure for the joint of the agricultural water conservancy PVC pipeline comprises a main pipe body 1, a left end sealing element and a right end sealing element, and is characterized in that the middle of the main pipe body 1 is a horizontal section, the two ends of the main pipe body are a left connecting section and a right connecting section, the left end sealing element and the right end sealing element are respectively fastened and connected with the left end sealing element and the right end sealing element, the left end sealing element and the right end sealing element are mirror symmetry structures and respectively comprise an inner sleeve pipe 2 and an outer sleeve pipe 3, the left connecting section and the right connecting section are of a continuous Z-shaped structure, the outer wall of the left connecting section and the outer sleeve pipe section is provided with a first external thread 4, the end of the left connecting section and the end of the right connecting section are a V-shaped inner lip 5, the outer sleeve pipe 3 is of a continuous L-shaped structure, the inner wall of the outer sleeve pipe is provided with two sections of internal threads, the first internal threads 6 and a second internal thread 7, the first external thread 6 and the outer sleeve pipe 3 are respectively located in the horizontal section of the outer sleeve pipe 3, the first external thread 4 is screwed with the first internal thread 6 of the outer sleeve pipe 3, the inner sleeve pipe 2 is connected with the inner sleeve pipe 2, the inner thread 12, the inner wall of the inner sleeve pipe 2 is provided with the inner wall of the inner sleeve pipe 2, the inner thread 2 is tightly connected with the inner wall of the inner pipe 2, the inner wall of the inner pipe 2 is tightly connected with the inner wall of the inner pipe 2, the inner wall of the inner pipe 2, the inner pipe 2 is tightly connected with the inner pipe 2, the inner thread seal structure, the inner pipe 2 is tightly connected with the inner pipe, the inner pipe 2, the inner pipe 2 is tightly sealed and the inner pipe 2, the inner.

The outer shape of the main pipe body 1 is hexagonal, which is beneficial to sealing and fastening the left and right end sealing elements with the main pipe body respectively; the outer surface of the outer sleeve is provided with a groove-shaped groove, so that the contact friction force is increased during screwing, and the outer sleeve is convenient to disassemble and assemble.

Finally, it should be noted that the above is a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions of the foregoing embodiments, and equivalents can be made to some technical features of the embodiments.

Claims

1. A sealing structure for the joint of agricultural water conservancy PVC pipelines comprises a main pipeline body, a left sealing element and a right sealing element, and is characterized in that the main pipeline body is divided into a horizontal section, a left connecting section and a right connecting section, wherein the left connecting section and the right connecting section are respectively and tightly connected with the left sealing element and the right sealing element, the left sealing element and the right sealing element are of mirror symmetry structures and respectively comprise an inner sleeve and an outer sleeve, the left connecting section and the right connecting section are of continuous Z-shaped structures, the outer wall of the left connecting section and the outer wall of the right connecting section are provided with a first external thread, the tail ends of the end parts of the left connecting section and the end parts of the right connecting section are V-shaped inner lip parts, the outer sleeve is of a continuous L-shaped structure, the inner wall of the outer sleeve is provided with two sections of internal threads, the internal threads and the internal threads are respectively a first internal thread and a second internal thread, the first internal thread and the internal thread are respectively located on the horizontal section of the outer sleeve, the first external thread is screwed with the outer sleeve, the inner sleeve is butted with the V-shaped outer lip part raised outside the outer sleeve, the inner sleeve is provided with an O-shaped rubber sealing ring, the inner wall of the inner sleeve is tightly fastened with the main pipeline body, the inner wall of the outer thread, the inner sleeve, the outer sleeve is gradually pushed to be in a V-shaped sealing ring, the V-shaped sealing layer, the V-shaped sealing ring, the inner wall of the.

2. The agricultural water conservancy PVC pipeline junction seal structure of claim 1, characterized in that: the waterproof layer is made of rubber and is in a hollow cylindrical shape, and the surface of the waterproof layer, which is in contact with the PVC water pipe, is in a concave-convex uneven shape.

3. The agricultural water conservancy PVC pipeline junction seal structure of claim 1 or 2, characterized in that: the outer shape of the main pipe body is hexagonal.

4. The agricultural water conservancy PVC pipeline junction seal structure of claim 1, characterized in that: the outer surface of the outer sleeve is provided with a groove-shaped groove or a bulge.