CN219458575U

CN219458575U - PVC pipe joint sealing structure

Info

Publication number: CN219458575U
Application number: CN202320412689.3U
Authority: CN
Inventors: 吴国泉; 马贤林; 马晓磊; 陈志军
Original assignee: Hangzhou Rentong Pipe Industry Co ltd
Current assignee: Hangzhou Rentong Pipe Industry Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-01
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a PVC pipe joint sealing structure, which belongs to the technical field of pipeline joint sealing, and comprises a pipeline joint main body, wherein a PVC pipe main body is inserted on the pipeline joint main body, a first sealing lantern ring is sleeved on the PVC pipe main body, a sealing device is arranged on the pipeline joint main body, the sealing device consists of a rotating threaded pipe, a second sealing lantern ring, an annular connecting pipe and a connecting anti-drop ring, the second sealing lantern ring is positioned at the outer side of the rotating threaded pipe, the annular connecting pipe is arranged at the inner end of the second sealing lantern ring, the connecting anti-drop ring is arranged at the inner end of the annular connecting pipe, and the sealing device is arranged on the PVC pipe main body and the pipeline joint main body, so that the sealing effect of the joint part of the PVC pipe main body and the pipeline joint main body can be improved, and the joint part of the PVC pipe main body is not easy to leak.

Description

PVC pipe joint sealing structure

Technical Field

The utility model relates to the technical field of pipeline joint sealing, in particular to a PVC pipe joint sealing structure.

Background

PVC material, i.e. polyvinyl chloride, is one of the plastic products with the largest output in the world, has low price and wide application, and can be used for manufacturing other pipe fittings such as power cable protection pipes due to high chemical stability.

When the multi-section PVC pipe is assembled, the pipeline joint is needed to connect the multi-section PVC pipe, and in order to avoid leakage easily at the gap of the connection part of the PVC pipe and the pipeline joint, the gap of the connection part of the PVC pipe and the pipeline joint is needed to be sealed, because rainwater or sewage can enter the pipe body under the condition that the gap is not stable enough for connection between two PVC pipes or between the PVC pipes and the pipeline joint, and the cable, the cable joint and other parts in the pipe body are damaged due to long-term soaking of water, so that the service life is influenced; and termites, mice and the like can enter the pipe body to bite the cable, so that the power-on fault is caused, and the PVC pipe joint sealing structure is provided.

Disclosure of Invention

The utility model mainly aims to provide a PVC pipe joint sealing structure which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a PVC coupling seal structure, includes the pipeline joint main part, it has the PVC pipe main part to peg graft in the pipeline joint main part, the cover is equipped with a sealed lantern ring in the PVC pipe main part, install sealing device in the pipeline joint main part, sealing device comprises rotation screwed pipe, no. two sealed lantern rings, annular connecting pipe and connection anticreep ring, no. two sealed lantern rings are located the outside of rotating the screwed pipe, annular connecting pipe installs the inner at No. two sealed lantern rings, connect the anticreep ring and install the inner at annular connecting pipe, just connect the anticreep ring and be located simultaneously and rotate the screwed pipe.

Preferably, the pipe joint main body is composed of a pipe main body and a threaded sleeve, the pipe main body and the threaded sleeve are of an integrated structure, and threads are arranged on the outer wall of the threaded sleeve.

Preferably, the PVC pipe body is fixedly inserted into a threaded sleeve on the pipe joint body.

Preferably, the first sealing collar is of an annular structure, the first sealing collar and the PVC pipe main body are fixedly installed together through adhesive, and the inner end of the first sealing collar is in contact with the outer end of the threaded sleeve on the pipe joint main body.

Preferably, the inner wall of the rotating threaded pipe on the sealing device is provided with threads, the connecting anti-drop groove is formed in the rotating threaded pipe, the connecting anti-drop groove is of an annular structure, the outer end of the rotating threaded pipe is provided with an annular groove, the outer end of the rotating threaded pipe is communicated with the connecting anti-drop groove through the annular groove, and the rotating threaded pipe is arranged at a thread position arranged on the outer wall of the threaded sleeve.

Preferably, the annular connecting pipe on the sealing device is fixedly connected with the connecting anti-drop ring and the second sealing lantern ring, the second sealing lantern ring is of an annular structure, the connecting anti-drop ring is rotatably installed in a connecting anti-drop groove formed in the rotating threaded pipe, the annular connecting pipe penetrates through an annular groove formed in the outer end of the rotating threaded pipe to connect the connecting anti-drop ring with the second sealing lantern ring, and the inner wall of the second sealing lantern ring is in contact with the outer wall of the first sealing lantern ring.

Compared with the prior art, the utility model has the following beneficial effects:

through set up sealing collar and set up sealing device in the pipe joint main part in PVC pipe main part, can seal the gap department of PVC pipe main part and pipe joint main part junction portion to can promote the sealed effect of PVC pipe main part and pipe joint main part junction portion, and then the gap department that makes PVC pipe main part and pipe joint main part junction portion is difficult for appearing leaking in the end.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the pipe joint body of the present utility model;

FIG. 3 is a cross-sectional view of the PVC pipe body and seal collar of the present utility model;

fig. 4 is a split cross-sectional view of the sealing device of the present utility model.

In the figure: 1. a pipe joint body; 2. a PVC pipe body; 3. a sealing device; 4. a pipe body; 5. a threaded sleeve; 6. a first sealing collar; 7. rotating the threaded pipe; 8. a second sealing collar; 9. an annular connecting pipe; 10. connecting an anti-drop ring; 11. is connected with the anti-falling groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a PVC pipe joint sealing structure is shown, including a pipe joint main body 1, the pipe joint main body 1 is composed of a pipe main body 4 and a threaded sleeve 5, the pipe main body 4 and the threaded sleeve 5 are in an integrated structure, threads are provided on the outer wall of the threaded sleeve 5, a PVC pipe main body 2 is inserted into the pipe joint main body 1, the PVC pipe main body 2 is fixedly inserted into the threaded sleeve 5 on the pipe joint main body 1, in the use process, the pipe joint main body 1 can assemble a plurality of sections of PVC pipe main bodies 2 together, and when assembling the plurality of sections of PVC pipe main bodies 2, the PVC pipe main body 2 can be inserted into the threaded sleeve 5 fixed on the pipe joint main body 1.

Referring to fig. 1, 2, 3 and 4, a first sealing collar 6 is sleeved on a PVC pipe main body 2, the first sealing collar 6 is of an annular structure, the first sealing collar 6 and the PVC pipe main body 2 are fixedly installed together through adhesive, the inner end of the first sealing collar 6 is in contact with the outer end of a threaded sleeve 5 on a pipe joint main body 1, a sealing device 3 is installed on the pipe joint main body 1, the sealing device 3 is composed of a rotating threaded pipe 7, a second sealing collar 8, an annular connecting pipe 9 and a connecting anti-drop ring 10, the second sealing collar 8 is positioned on the outer side of the rotating threaded pipe 7, the annular connecting pipe 9 is installed at the inner end of the second sealing collar 8, the connecting anti-drop ring 10 is installed at the inner end of the annular connecting pipe 9, the connecting anti-drop ring 10 is simultaneously positioned in the rotating threaded pipe 7, threads are arranged on the inner wall of the rotating threaded pipe 7 on the sealing device 3, a connecting anti-drop groove 11 is formed in the rotating threaded pipe 7, the connecting anti-drop groove 11 is of an annular structure, an annular groove is formed in the outer end of the rotating threaded pipe 7, the annular groove penetrates through the outer end of the rotating threaded pipe 7 and the connecting anti-drop groove 11, the rotating threaded pipe 7 is arranged at a thread position arranged on the outer wall of the threaded sleeve 5, an annular connecting pipe 9 on the sealing device 3 is fixedly connected with a connecting anti-drop ring 10 and a second sealing lantern ring 8, the second sealing lantern ring 8 is of an annular structure, the connecting anti-drop ring 10 is rotatably arranged in the connecting anti-drop groove 11 formed in the rotating threaded pipe 7, the annular connecting pipe 9 penetrates through the annular groove formed in the outer end of the rotating threaded pipe 7 to connect the connecting anti-drop ring 10 with the second sealing lantern ring 8, the inner wall of the second sealing lantern ring 8 is contacted with the outer wall of the first sealing lantern ring 6, through set up sealing collar 6 and set up sealing device 3 on pipe joint main part 1 on PVC pipe main part 2, can seal the gap department of PVC pipe main part 2 and pipe joint main part 1 junction to can promote the sealed effect of PVC pipe main part 2 and pipe joint main part 1 junction, and then the gap department that makes PVC pipe main part 2 and pipe joint main part 1 junction be difficult for appearing leaking finally.

It should be noted that, in the process of using the PVC pipe joint sealing structure, when the multi-section PVC pipe main body 2 needs to be assembled by using the pipe joint main body 1, the PVC pipe main body 2 may be inserted into the pipe joint main body 1 first, so that the PVC pipe main body 2 and the pipe joint main body 1 are fixed together, finally, the inner end of the first sealing collar 6 contacts with the threaded sleeve 5 on the pipe joint main body 1, then, the rotating threaded pipe 7 on the sealing device 3 is rotated, so that the whole sealing device 3 moves outwards, finally, the second sealing collar 8 on the sealing device 3 contacts with the first sealing collar 6, so that the inner wall of the second sealing collar 8 contacts with the outer wall of the first sealing collar 6 tightly, at this time, the sealing device 3 and the first sealing collar 6 are sealed with a gap at the connecting position of the pipe joint main body 1 and the PVC pipe main body 2, and finally, in the process of using, the joint main body 1 and the PVC pipe main body 2 are unlikely to leak.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or that equivalents may be substituted for part of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PVC coupling seal structure, includes pipeline joint main part (1), peg graft on pipeline joint main part (1) have PVC pipe main part (2), its characterized in that: the PVC pipe main body (2) is sleeved with a first sealing sleeve ring (6), the pipeline joint main body (1) is provided with a sealing device (3), the sealing device (3) consists of a rotating threaded pipe (7), a second sealing sleeve ring (8), an annular connecting pipe (9) and a connecting anti-slip ring (10), the second sealing sleeve ring (8) is positioned at the outer side of the rotating threaded pipe (7), the annular connecting pipe (9) is arranged at the inner end of the second sealing sleeve ring (8), the connecting anti-slip ring (10) is arranged at the inner end of the annular connecting pipe (9), and the connecting anti-slip ring (10) is positioned in the rotating threaded pipe (7) at the same time.

2. The PVC pipe joint sealing structure according to claim 1, wherein: the pipeline joint is characterized in that the pipeline joint main body (1) consists of a pipeline main body (4) and a threaded sleeve (5), wherein the pipeline main body (4) and the threaded sleeve (5) are of an integrated structure, and threads are arranged on the outer wall of the threaded sleeve (5).

3. The PVC pipe joint sealing structure according to claim 2, wherein: the PVC pipe main body (2) is fixedly inserted into a threaded sleeve (5) on the pipeline joint main body (1).

4. A PVC pipe fitting sealing structure according to claim 3, wherein: the first sealing sleeve ring (6) is of an annular structure, the first sealing sleeve ring (6) and the PVC pipe main body (2) are fixedly installed together through viscose, and the inner end of the first sealing sleeve ring (6) is in contact with the outer end of the threaded sleeve (5) on the pipe joint main body (1).

5. The PVC pipe fitting sealing structure according to claim 4, wherein: the sealing device is characterized in that threads are arranged on the inner wall of a rotating threaded pipe (7) on the sealing device (3), a connecting anti-drop groove (11) is formed in the rotating threaded pipe (7), the connecting anti-drop groove (11) is of an annular structure, an annular groove is formed in the outer end of the rotating threaded pipe (7), the outer end of the rotating threaded pipe (7) is communicated with the connecting anti-drop groove (11) through the annular groove, and the rotating threaded pipe (7) is arranged at a thread position arranged on the outer wall of a threaded sleeve (5).

6. The PVC pipe joint sealing structure according to claim 5, wherein: annular connecting pipe (9) on sealing device (3) are fixed connection with connection anticreep ring (10), no. two sealing collar (8) are annular structure, connection anticreep ring (10) rotate install in connection anticreep groove (11) of seting up in rotating screwed pipe (7), annular connecting pipe (9) pass the ring channel of seting up of rotating screwed pipe (7) outer end and link together connection anticreep ring (10) and No. two sealing collar (8), the inner wall of No. two sealing collar (8) contacts with the outer wall of No. one sealing collar (6).