CN212900234U

CN212900234U - Municipal administration water supply and drainage pipeline connection structure

Info

Publication number: CN212900234U
Application number: CN202021098713.3U
Authority: CN
Inventors: 魏丽娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-06
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a municipal administration water supply and drainage pipeline connection structure, including the adapter sleeve, the adapter sleeve is built-in to be equipped with and to support the clamping ring, supports the clamping ring facial make-up and is equipped with soft packing ring, and the both ends interlude of adapter sleeve has the pipeline, and the position that the pipeline is close to the tip has installed the collar, and the adapter sleeve is equipped with the mounting groove with pipeline grafting department, the built-in sealing ring that is equipped with of mounting groove, and the hoop is equipped with first perforation on the adapter sleeve, and first perforation and second are perforated and are alternated to have double. The horizontal portion of collar supports and presses the sealing ring for the sealing ring closely fills in the mounting groove, thereby effectively seals pipeline and adapter sleeve cooperation gap, thereby prevents the erosion of external environment to soft packing ring, and set up one sealed effect for the pipe connection, and the leakproofness is better, through the setting of soft cover, further adapter sleeve and pipeline cooperation gap seal, and effectively avoid volatilizing of the interior lubricating oil of seal ring, the leakproofness of protection sealing ring.

Description

Municipal administration water supply and drainage pipeline connection structure

Technical Field

The utility model belongs to the technical field of municipal administration water supply and drainage pipe connects, concretely relates to municipal administration water supply and drainage pipe connection structure.

Background

Municipal water supply and drainage engineering mainly provides convenience for life and production departments of urban residents, and has wide relating range.

In the long-distance pipeline connection process of current municipal administration feedwater, the mode that adopts the flange butt joint is fixed, and the flange terminal surface still sets up an annular groove, and the annular groove is used for inserting the rubber ring, penetrates the bolt in the mounting hole on the flange to when locking with the nut, the rubber ring receives the flange in fact and supports the pressure, and the rubber ring both ends are personally submitted soft taking off and are attached at the annular groove inner wall, thereby have good leakproofness behind the letting pipe connection. The defects are as follows: because the flange has the gap when pressing from both sides tight rubber ring, consequently the external environment corrodes the rubber ring more easily, causes the rubber ring too early ageing to lose its original elasticity, the rubber ring surface easily skinnes ageing, leads to sealed effect not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a municipal administration water supply and drainage pipeline connection structure to solve the problem that exists among the prior art because the rubber ring is too early ageing to lead to sealed effect not good.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a municipal administration water supply and drainage pipeline connection structure, includes the adapter sleeve, the adapter sleeve is built-in to be equipped with to the clamping ring, it is equipped with soft packing ring to support the clamping ring facial make-up, the both ends interlude of adapter sleeve has the pipeline, the position that the pipeline is close to the tip has installed the collar, the adapter sleeve is equipped with the mounting groove with pipeline grafting department, the built-in sealing ring that is equipped with of mounting groove, the hoop is equipped with first perforation on the adapter sleeve, the collar is fitted with a contraceptive ring and is equipped with the second and perforates, it has double-screw bolt and double-screw bolt to pass.

Preferably, the pressing ring is of a circular ring structure, and the soft gasket is of a circular ring structure with an L-shaped section.

Preferably, the cross section of the mounting ring is in an L-shaped circular ring structure.

Preferably, the mounting ring is sleeved with a soft sleeve, and the soft sleeve is positioned between the mounting ring and the connecting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a municipal administration water supply and drainage pipe connection structure, the horizontal portion of collar supports presses the sealing ring, make the sealing ring closely be full in the mounting groove, thereby effectively seal pipeline and adapter sleeve cooperation gap, thereby prevent the erosion of external environment to soft packing ring, and add one sealing device for the pipe connection, the leakproofness is better, setting through soft cover, further adapter sleeve and pipeline cooperation gap are sealed, and effectively avoid volatilizing of the interior lubricating oil of seal ring, the leakproofness of protection sealing ring, the problem of the sealed effect of the easy too early ageing influence of prior art rubber ring has been solved.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

FIG. 3 is a schematic view of the attachment of the mounting ring of the present invention;

fig. 4 is a left side view of fig. 1 taken along line a-a.

In the figure: the sealing device comprises a connecting sleeve 1, a pressing ring 2, a soft gasket 3, a pipeline 4, a mounting ring 5, a mounting groove 6, a sealing ring 7, a soft sleeve 8, a first through hole 9, a second through hole 10, a stud 11 and a nut 12.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, 2, 3 and 4, a municipal water supply and drainage pipeline connecting structure comprises a connecting sleeve 1, the connecting sleeve 1 is a circular sleeve structure with two ports provided with circular rings, the left side and the right side of the inner wall of the connecting sleeve 1 are provided with pressure resisting rings 2, the connecting sleeve 1 and the pressure resisting rings 2 are a fusion casting integrated piece, soft gaskets 3 are slidably sleeved on the pressure resisting rings 2, the soft gaskets 3 are made of chloroprene rubber and are soft, the anti-aging performance and the acid and alkali corrosion resistance are good, the pressure resisting rings 2 are circular ring structures, the soft gaskets 3 are circular ring structures with L-shaped cross sections, two ends of the connecting sleeve 1 are slidably inserted with pipelines 4, mounting rings 5 are arranged at positions, close to the end parts, of the pipelines 4, the inner walls of the mounting rings 5 are welded without seams on the outer walls of the pipelines 4, the cross sections of the mounting rings 5 are of the L-shaped circular ring structures, mounting grooves 6 are arranged at the splicing positions of the connecting sleeve 1 and, the built-in sealing ring 7 that is equipped with of mounting groove 6, sealing ring 7 are immersion oil asbestos packing ring, and when nut 12 lock double-

screw bolt

11, 5 horizontal portions of mounting ring support and press sealing ring 7 for sealing ring 7 closely is sufficient in mounting groove 6, thereby effectively seals up

pipeline

4 and 1 cooperation gaps of adapter sleeve, thereby prevents the external environment to the erosion of soft packing ring 3, and add a sealed effect for the pipe connection, and the leakproofness is better.

Referring to fig. 1, 2, 3 and 4, a soft sleeve 8 is slidably sleeved on the mounting ring 5, the soft sleeve 8 is located between the mounting ring 5 and the connecting sleeve 1, a first through hole 9 is circumferentially formed in the connecting sleeve 1, a second through hole 10 is circumferentially formed in the mounting ring 5, a stud 11 is inserted into the first through hole 9 and the second through hole 10, and the stud 11 is locked by a nut 12, when the stud 11 is locked by the nut 12, the vertical part of the mounting ring 5 and the circular ring of the connecting sleeve 1 press against the left end surface and the right end surface of the soft sleeve 8, so that the two ends of the soft sleeve 8 are elastically attached to the mounting ring 5 and the connecting sleeve 1, and the connecting sleeve 1 and the pipeline 4 are further sealed by matching with a gap through the arrangement of the soft sleeve 8, and the volatilization of lubricating oil in the sealing ring 7 is effectively avoided.

During installation, firstly, the soft gasket 3 is sleeved on the abutting ring 2 in the connecting sleeve 1, the ports of two butted pipelines 4 are inserted corresponding to the connecting sleeve 1, the sealing ring 7 is placed in the mounting groove 6 in the process of inserting the pipelines 4, then the stud 11 is penetrated into the first perforation 9 and the second perforation 10, when the stud 11 is penetrated into the first perforation 9, two nuts 12 are firstly screwed on the stud 11, in the process of penetrating the second perforation 10, the two nuts 12 are continuously rotated until the stud 11 penetrates out of the other second perforation 10, one nut 12 is respectively screwed on two sides of the stud 11, all the nuts 12 are screwed, the end part of the pipeline 4 abuts against the soft gasket 3, the soft gasket 3 is forced to be elastically attached to the end part of the pipeline 4 and the abutting ring 2, so that the pipeline 4 is abutted to achieve good sealing performance, in the process, the transverse part of the mounting ring 5 abuts against the sealing ring 7, so that the sealing ring 7 is tightly filled in the mounting groove 6, thereby effectively seal up

pipeline

4 and 1 cooperation gaps of adapter sleeve, thereby prevent the erosion of external environment to soft packing ring 3, and add one sealed effect for the pipe connection, the leakproofness is better, the vertical portion of collar 5 and the ring of adapter sleeve 1 support and press soft cover 8 about both ends face, force soft cover 8 both ends elasticity to take off and attach on collar 5 and adapter sleeve 1, thereby setting through soft cover 8,

further adapter sleeve

1 and 4 cooperation gaps of pipeline seal up, and effectively avoid volatilizing of lubricating oil in the sealing ring 7, protect the leakproofness of sealing ring 7.

Claims

1. The utility model provides a municipal administration water supply and drainage pipeline connection structure, includes adapter sleeve (1), its characterized in that: built-in pressure ring (2) that are equipped with of adapter sleeve (1), it is equipped with soft packing ring (3) to support to adorn on pressure ring (2), the both ends interlude of adapter sleeve (1) has pipeline (4), install collar (5) near the position of tip in pipeline (4), adapter sleeve (1) is equipped with mounting groove (6) with pipeline (4) grafting department, the built-in sealing ring (7) that is equipped with in mounting groove (6), adapter sleeve (1) is gone up to ring and is equipped with first perforation (9), collar (5) are fitted with and are equipped with second perforation (10), it has double-screw bolt (11) and double-screw bolt (11) to lock through nut (12) to alternate in first perforation (9) and the second perforation (10).

2. The municipal water supply and drainage pipeline connecting structure according to claim 1, wherein: the pressing ring (2) is of a circular ring structure, and the soft gasket (3) is of a circular ring structure with an L-shaped section.

3. The municipal water supply and drainage pipeline connecting structure according to claim 1, wherein: the cross section of the mounting ring (5) is of an L-shaped circular ring structure.

4. The municipal water supply and drainage pipeline connecting structure according to claim 3, wherein: the mounting ring (5) is sleeved with a soft sleeve (8) and the soft sleeve (8) is positioned between the mounting ring (5) and the connecting sleeve (1).