CN216976091U

CN216976091U - Fire-fighting pipeline junction sealing connection structure

Info

Publication number: CN216976091U
Application number: CN202122977014.7U
Authority: CN
Inventors: 王雪文
Original assignee: Shenzhen Zhonggang Construction Engineering Co ltd
Current assignee: Shenzhen Zhonggang Construction Engineering Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-15
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a sealing connection structure at a fire-fighting pipeline joint, which comprises a first pipeline, a connecting cylinder and a second pipeline, the end parts of the first pipeline and the second pipeline are fixedly provided with threaded rings, two ends of the inner wall of the connecting cylinder are respectively provided with internal threads in opposite directions, two groups of threaded rings are arranged in the connecting cylinder in a threaded manner, the joint of the first pipeline and the connecting cylinder and the joint of the second pipeline and the connecting cylinder are both clamped and fixed with sealing elements, the sealing element comprises a first sealing plate and a second sealing plate, and the inner walls of the first sealing plate and the second sealing plate are fixedly connected with two groups of semicircular clamping strips, so that the sealing property of the joint of the fire-fighting pipeline is improved, the possibility of water leakage from the joint when the pipeline is used is reduced, water resources are saved, and the connecting structure between the pipelines is simple, the installation is convenient, and the connecting efficiency of the pipelines is further improved.

Description

Fire-fighting pipeline junction sealing connection structure

Technical Field

The utility model relates to the technical field of fire-fighting pipeline connection, in particular to a sealing connection structure for a fire-fighting pipeline connection part.

Background

The fire-fighting pipeline refers to a pipeline material which is used for fire fighting, connecting fire-fighting equipment and equipment, and conveying water, gas or other media for fire fighting. Due to special requirements, the thickness and the material of the fire fighting pipeline have special requirements, the fire fighting water is conveyed by spraying red paint, and when the pipeline of the fire hydrant water supply system adopts the inner wall and the outer wall hot-dip galvanized steel pipes, the pipeline is not welded. When the system pipeline adopts a pipeline with a non-corrosion-resistant inner wall, the pipeline can be welded and connected, but the pipeline welding meets the relevant requirements. The pipeline of the automatic water spraying fire extinguishing system (behind the alarm valve) can not be welded and is connected by a thread, a groove type pipe joint or a flange.

The leakproofness of fire control pipeline when connecting among the prior art is not good, leads to having water to spill from the fire control pipeline junction when using, and the seal structure of pipe connection department is complicated, and the installation of being inconvenient, leads to the pipe connection inefficiency, therefore we need propose a fire control pipeline junction sealing connection structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fire-fighting pipeline joint sealing connection structure, which improves the sealing performance of the fire-fighting pipeline joint, reduces the possibility of water leakage from the joint when the pipeline is used, saves water resources, is simple in connection structure between pipelines, is convenient to install, further improves the connection efficiency of the pipelines, and solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a fire-fighting pipeline joint sealing connection structure comprises a first pipeline, a connecting cylinder and a second pipeline, wherein threaded rings are fixedly mounted at the end parts of the first pipeline and the second pipeline, internal threads in opposite directions are respectively formed at the two ends of the inner wall of the connecting cylinder, two groups of threaded rings are mounted inside the connecting cylinder in a threaded manner, sealing elements are fixedly clamped at the joint of the first pipeline and the connecting cylinder and the joint of the second pipeline and the connecting cylinder respectively, each sealing element comprises a first sealing plate and a second sealing plate, two groups of semicircular clamping strips are fixedly connected on the inner walls of the first sealing plate and the second sealing plate respectively, a group of first clamping grooves are formed in the first pipeline, two groups of second clamping grooves are formed in the connecting cylinder, a group of third clamping grooves are formed in the second pipeline, and the clamping strips on the sealing elements are clamped inside the first clamping grooves and one group of the second clamping grooves, and the clamping strips on the other group of sealing elements are clamped in the third clamping groove and the other group of second clamping grooves.

Preferably, the threaded rings are all sleeved with sealing rings, one group of sealing rings are arranged between the first pipeline and the connecting cylinder, and the other group of sealing rings are arranged between the second pipeline and the connecting cylinder.

Preferably, the first sealing plate and the second sealing plate are both semicircular sealing plates and fixedly connected through bolts.

Preferably, the first sealing plate and the second sealing plate are fixedly provided with connecting pieces, the connecting pieces are provided with through holes, and one end of the bolt penetrates through the through holes and is provided with a nut in a threaded manner.

Preferably, the clamping strip is a clamping strip with a trapezoidal section, the end of the clamping strip on the first sealing plate is provided with a groove, the end of the clamping strip on the second sealing plate is connected with a convex block, and the convex block is inserted into the groove.

Preferably, the internally mounted of connecting cylinder has the spacing ring, the fast reading of spacing ring equals the thickness of screw ring, and two sets of the tip of screw ring all contradicts at the lateral part of spacing ring.

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

through the design of the sealing ring, the threaded ring, the connecting cylinder and the sealing element, one group of sealing rings are arranged between the first pipeline and the connecting cylinder, the other group of sealing rings are arranged between the second pipeline and the connecting cylinder, the sealing performance between the first pipeline and the connecting cylinder and between the second pipeline and the connecting cylinder are improved, the clamping strip is a rubber clamping strip with a trapezoidal section, a group of first clamping grooves are formed in the first pipeline, two groups of second clamping grooves are formed in the connecting cylinder, a group of third clamping grooves are formed in the second pipeline, and when the clamping strip with the trapezoidal section is clamped in the first clamping grooves, the second clamping grooves and the third clamping grooves, the clamping strip is elastically deformed, so that the sealing performance between the pipelines is further improved, the sealing performance of the joint of the fire fighting pipelines is improved, the possibility of water leakage from the joint when the pipelines are used is reduced, water resources are saved, and the connecting structure between the pipelines is simple, the installation of being convenient for, and then improved the connection efficiency of pipeline.

Drawings

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

FIG. 2 is an exploded view of the first conduit, connector barrel and second conduit of the present invention;

FIG. 3 is a schematic cross-sectional view of a connector barrel and stop collar of the present invention;

FIG. 4 is a schematic view of the seal of the present invention;

FIG. 5 is a schematic view of the structure of the card strip and the groove of the present invention.

In the figure: 1. a first conduit; 2. a connecting cylinder; 3. a second conduit; 4. a seal member; 41. a first sealing plate; 42. a second sealing plate; 5. a threaded ring; 6. a seal ring; 7. a first card slot; 8. a second card slot; 9. a third card slot; 10. a limiting ring; 11. clamping the strip; 12. a groove; 13. a bump; 14. connecting sheets; 15. a through hole; 16. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "back," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, as used herein, are merely used for convenience in referring to the figures and to aid in describing the utility model, and are not intended to limit the utility model.

Referring to fig. 1-5, the present invention provides a technical solution: a fire-fighting pipeline joint sealing connection structure comprises a first pipeline 1, a connecting cylinder 2 and a second pipeline 3, the first pipeline 1, the outer diameters of the connecting cylinder 2 and the second pipeline 3 are equal, threaded rings 5 are fixedly mounted at the end parts of the first pipeline 1 and the second pipeline 3, sealing rings 6 are sleeved on the two groups of threaded rings 5, the outer diameters of the threaded rings 5 are equal to the outer diameter of the first pipeline 1, inner threads in opposite directions are respectively formed at the two ends of the inner wall of the connecting cylinder 2, the two groups of threaded rings 5 are in threaded installation in the connecting cylinder 2, limiting rings 10 are installed in the connecting cylinder 2, the quick reading of the limiting rings 10 is equal to the thickness of the threaded rings 5, the end parts of the two groups of threaded rings 5 are in conflict with the side parts of the limiting rings 10, and particularly, when the end parts of the threaded rings 5 are on the limiting rings 10, the sealing rings 6 are clamped tightly;

sealing elements 4 are clamped and fixed at the joint of the first pipeline 1 and the connecting cylinder 2 and the joint of the second pipeline 3 and the connecting cylinder 2, one group of sealing rings 6 are arranged between the first pipeline 1 and the connecting cylinder 2, and the other group of sealing rings 6 are arranged between the second pipeline 3 and the connecting cylinder 2, so that the sealing performance between the first pipeline 1 and the connecting cylinder 2 and between the second pipeline 3 and the connecting cylinder 2 is improved;

the inner diameter of the sealing element 4 is equal to the outer diameter of the first pipeline 1, the sealing element 4 comprises a first sealing plate 41 and a second sealing plate 42, the first sealing plate 41 and the second sealing plate 42 are both semi-circular sealing plates, the first sealing plate 41 and the second sealing plate 42 are fixedly connected through a bolt 16, connecting pieces 14 are fixedly mounted on the first sealing plate 41 and the second sealing plate 42, a through hole 15 is formed in each connecting piece 14, and a nut is mounted at one end of the bolt 16 through the through hole 15 in a threaded manner, so that the first sealing plate 41 and the second sealing plate 42 can be fixedly connected;

the inner walls of the first sealing plate 41 and the second sealing plate 42 are fixedly connected with two groups of semicircular clamping strips 11, the clamping strips 11 are rubber clamping strips with trapezoidal sections, a groove 12 is formed in the end portion of each clamping strip 11 on the first sealing plate 41, a convex block 13 is connected to the end portion of each clamping strip 11 on the second sealing plate 42, and the convex block 13 is inserted into the groove 12, so that the two clamping strips 11 at corresponding positions on the first sealing plate 41 and the second sealing plate 42 are in sealing connection;

a set of first draw-in groove 7 has been seted up on the first pipeline 1, two sets of second draw-in grooves 8 have been seted up on the connecting cylinder 2, a set of third draw-in groove 9 has been seted up on the second pipeline 3, the inside of card strip 11 joint in first draw-in groove 7 and wherein a set of second draw-in groove 8 on a set of sealing member 4, the inside of card strip 11 joint in third draw-in groove 9 and another set of second draw-in groove 8 on another set of sealing member 4, it is concrete, the section is trapezoidal card strip 11 joint in first draw-in groove 7, during inside second draw-in groove 8 and third draw-in groove 9, elastic deformation takes place for card strip 11, further improve the leakproofness between the pipeline.

When the device is used, two groups of sealing rings 6 are respectively sleeved on the threaded rings 5 on the first pipeline 1 and the second pipeline 3, and then the two groups of threaded rings 5 are respectively arranged in the connecting cylinder 2 in a threaded manner, so that the sealing performance between the pipelines is improved, the threaded rings 5 are abutted against the limiting rings 10, then the sealing members 4 are installed, and one set of the sealing members 4 is installed at the joint of the first pipe 1 and the connecting cylinder 2, and the other set of the sealing members 4 is installed at the joint of the second pipe 3 and the connecting cylinder 2, specifically, the first sealing plate 41 and the second sealing plate 42 are snapped together, and fixedly connected by bolts 16, the clamping strips 11 on one group of sealing elements 4 are clamped and fixed in the first clamping groove 7 and one group of second clamping grooves 8, the clamping strips 11 on the other group of sealing elements 4 are clamped and fixed in the third clamping groove 9 and the other group of second clamping grooves 8, and the sealing property between pipelines is further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire control pipeline junction sealing connection structure, includes first pipeline (1), connecting cylinder (2) and second pipeline (3), its characterized in that: the end parts of the first pipeline (1) and the second pipeline (3) are fixedly provided with threaded rings (5), two inner threads in opposite directions are respectively arranged at two ends of the inner wall of the connecting cylinder (2), two groups of threaded rings (5) are arranged in the connecting cylinder (2) in a threaded manner, sealing elements (4) are respectively clamped and fixed at the joint of the first pipeline (1) and the connecting cylinder (2) and the joint of the second pipeline (3) and the connecting cylinder (2), each sealing element (4) comprises a first sealing plate (41) and a second sealing plate (42), two groups of semicircular clamping strips (11) are fixedly connected with the inner walls of the first sealing plate (41) and the second sealing plate (42), a group of first clamping grooves (7) are arranged on the first pipeline (1), two groups of second clamping grooves (8) are arranged on the connecting cylinder (2), a group of third clamping grooves (9) are arranged on the second pipeline (3), one group of the clamping strips (11) on the sealing element (4) are clamped in the first clamping groove (7) and one group of the second clamping grooves (8), and the other group of the clamping strips (11) on the sealing element (4) are clamped in the third clamping groove (9) and the other group of the second clamping grooves (8).

2. The fire fighting pipeline joint sealing connection structure of claim 1, wherein: and the thread ring (5) is sleeved with a sealing ring (6) in a group, the sealing ring (6) is arranged between the first pipeline (1) and the connecting cylinder (2), and the sealing ring (6) is arranged between the second pipeline (3) and the connecting cylinder (2).

3. The fire fighting pipeline joint sealing connection structure of claim 1, wherein: the first sealing plate (41) and the second sealing plate (42) are both semicircular sealing plates, and the first sealing plate (41) and the second sealing plate (42) are fixedly connected through bolts (16).

4. A fire fighting pipeline joint sealing connection structure as defined in claim 3, characterized in that: the sealing structure is characterized in that connecting pieces (14) are fixedly mounted on the first sealing plate (41) and the second sealing plate (42), through holes (15) are formed in the connecting pieces (14), and nuts are mounted at the ends of the bolts (16) through the through holes (15) in a threaded mode.

5. The fire fighting pipeline joint sealing connection structure according to claim 1, characterized in that: the clamping strip (11) is a clamping strip with a trapezoidal section, a groove (12) is formed in the end portion of the clamping strip (11) on the first sealing plate (41), a convex block (13) is connected to the end portion of the clamping strip (11) on the second sealing plate (42), and the convex block (13) is inserted into the groove (12).

6. The fire fighting pipeline joint sealing connection structure of claim 1, wherein: the internally mounted of connecting cylinder (2) has spacing ring (10), the fast reading of spacing ring (10) equals the thickness of screw ring (5), and is two sets of the tip of screw ring (5) all contradicts at the lateral part of spacing ring (10).