CN216867851U

CN216867851U - Sealing structure of fire hose joint

Info

Publication number: CN216867851U
Application number: CN202123309513.5U
Authority: CN
Inventors: 孙亮; 孙玉虎; 朱海浪; 李林
Original assignee: Yangzhou Yangzi Fire Equipment Co ltd
Current assignee: Yangzhou Yangzi Fire Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-01
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of fire-fighting equipment, and discloses a sealing structure of a fire hose joint, which comprises a first joint and a second joint, wherein the first joint comprises a first pipe seat, one end of the first pipe seat is provided with a first hose connecting pipe, the other end of the first pipe seat is provided with a connecting pipe, the outer wall of the connecting pipe is provided with a plurality of annular grooves, rubber bag rings are fixedly bonded inside the annular grooves, the inside of the connecting pipe is communicated with the inside of a bag cavity of the rubber bag rings through a plurality of water through holes, a rubber sealing sleeve is sleeved outside the connecting pipe, the second joint is positioned on one side of the first joint, and high-pressure water flow can enter the rubber bag rings and then swell through the rubber bag rings to firmly compress the rubber sealing sleeve and the connecting sleeve, so that the sealing effect is enhanced, the anti-leakage effect is better, and when the water flow stops, the water inside the rubber bag rings can quickly flow out, the rubber bag ring is shriveled to avoid the sleeve between the connecting pipe and the connecting sleeve from being dead, and the first joint and the second joint are convenient to detach.

Description

Sealing structure of fire hose joint

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to a sealing structure of a fire hose joint.

Background

When fire fighting, the hose is often lengthened due to the fact that the length of the hose is not enough, and the head end of the hose is often provided with a metal connector, so that the hose is conveniently lengthened.

The new fire hose coupling of the Chinese patent that has now been published, publication (announcement) number: CN109253332A, publication (public notice) day: 2019-01-22, the characteristic that the anti-leakage ring expands when meeting water is utilized to enable the connector and the connecting pipe to be firmly fixed together, when no water exists, namely when the fire-fighting operation is finished, the connecting pipe is kept still for a while, and the anti-leakage ring returns to the original state to separate the connector and the connecting pipe. However, as the anti-leakage ring is used for a plurality of times, it is difficult to ensure sufficient expansion thereof to ensure sealing performance, and a standing wait is required when the joint is separated from the connecting pipe, which delays time, so that those skilled in the art provide a sealing structure of a fire hose joint to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing structure of a fire hose joint, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a seal structure that fire hose connects, includes a joint and No. two joints, a joint includes the tube socket No. one, the one end of tube socket is equipped with a hosepipe takeover, the other end of tube socket is equipped with the connecting pipe, a plurality of annulars have been seted up on the outer wall of connecting pipe, the inside all fixed bonding of annular has the rubber bag circle, the inside bag intracavity portion intercommunication through a plurality of limbers and rubber bag circle of connecting pipe, the outside cover of connecting pipe has the rubber seal cover, No. two joints are located one side of a joint, No. two joints include No. two tube sockets, the one end of No. two tube sockets is equipped with No. two hosepipes, the other end of No. two tube sockets is equipped with the adapter sleeve, the connecting pipe is located inside the adapter sleeve, just the inner wall of rubber seal cover and adapter sleeve closely laminates.

As a further scheme of the utility model, one end of the first tube seat is fixedly connected with two hooks, the two hooks are respectively positioned at two outer sides of the connecting tube, the outer wall of the second tube seat is provided with two clamping grooves, the clamping grooves and the hooks are both in an L-shaped structure, and the hooks and the clamping grooves are designed in a matching manner, so that the L-shaped hooks are staggered and clamped in the L-shaped clamping grooves when the first connector and the second connector are in butt joint, and the accidental separation of the first connector and the second connector caused by excessive water pressure can be avoided.

As a further scheme of the utility model, a plurality of convex wings are arranged outside the first tube seat, a plurality of convex blocks are arranged outside the second tube seat, and the first joint and the second joint can conveniently rotate through the convex wings and the convex blocks.

As a further scheme of the utility model, a plurality of first convex rings are arranged on the outer wall of the first water hose connecting pipe, a plurality of second convex rings are arranged on the outer wall of the second water hose connecting pipe, and the first convex rings and the second convex rings facilitate the fixed connection of the first water hose connecting pipe and the second water hose connecting pipe with the water hose.

As a further scheme of the utility model, the annular grooves are designed at equal intervals, the outer wall of the rubber bag ring is positioned on one side of the inner wall of the rubber sealing sleeve, and the rubber bag ring is bulged when water is injected and firmly compresses the rubber sealing sleeve and the inner wall of the connecting sleeve.

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

1. through being equipped with the rubber bag circle, the high pressure water flow can be bloated behind getting into the rubber bag circle, firmly compresses tightly between rubber seal cover and the adapter sleeve to strengthened sealed effect, the leak protection effect is better.

2. When rivers stopped, the inside water of rubber bag circle can flow out fast, and the rubber bag circle is flat to avoid the cover to die between connecting pipe and the adapter sleeve, and a joint is convenient with No. two joints are pulled apart.

Drawings

FIG. 1 is an exploded schematic view of a sealing structure of a fire hose coupling;

FIG. 2 is a schematic view of an overall assembled structure of a sealing structure of a fire hose coupling;

FIG. 3 is a schematic cross-sectional view of a connection tube in a sealing structure of a fire hose coupling;

fig. 4 is an enlarged structural view of the area a indicated in fig. 1.

In the figure: 1. a first connector; 11. a first tube seat; 12. a water hose connecting pipe; 13. a connecting pipe; 14. a ring groove; 15. a rubber bag ring; 16. a water through hole; 17. a rubber sealing sleeve; 18. a hook; 19. a convex wing; 110. a first convex ring; 2. a second joint; 21. a second tube seat; 22. a second water hose connecting pipe; 23. connecting sleeves; 24. a card slot; 25. a bump; 26. and a second convex ring.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a sealing structure of a fire hose joint includes a first joint 1 and a second joint 2, the first joint 1 includes a first pipe seat 11, a first hose connecting pipe 12 is disposed at one end of the first pipe seat 11, a connecting pipe 13 is disposed at the other end of the first pipe seat 11, a plurality of annular grooves 14 are disposed on an outer wall of the connecting pipe 13, rubber bag rings 15 are fixedly bonded inside the annular grooves 14, the inside of the connecting pipe 13 is communicated with the inside of a bag cavity of the rubber bag rings 15 through a plurality of water through holes 16, a rubber sealing sleeve 17 is sleeved outside the connecting pipe 13, the second joint 2 is located at one side of the first joint 1, the second joint 2 includes a second pipe seat 21, a second hose connecting pipe 22 is disposed at one end of the second pipe seat 21, a connecting sleeve 23 is disposed at the other end of the second pipe seat 21, the connecting pipe 13 is located inside the connecting sleeve 23, and the rubber sealing sleeve 17 is tightly attached to an inner wall of the connecting sleeve 23.

In fig. 1, 2 and 4, two grabs 18 of first tube socket 11 one end fixedly connected with, two grabs 18 are located two outsides of connecting pipe 13 respectively, be equipped with two draw-in grooves 24 on No. two tube sockets 21's the outer wall, draw-in groove 24 and grabs 18 are L type structure, and grabs 18 and draw-in groove 24 looks adaptation design, make L type grabs 18 dislocation card inside L type draw-in groove 24 when joining first joint 1 with No. two joints 2 butt joint, can avoid water pressure to make first joint 1 and No. two joints 2 unexpected separation excessively.

In fig. 1 and 2, a plurality of protruding fins 19 are arranged on the outer portion of the first socket 11, a plurality of protruding blocks 25 are arranged on the outer portion of the second socket 21, and the first connector 1 and the second connector 2 are convenient to rotate through the protruding fins 19 and the protruding blocks 25.

In fig. 1 and 2, a plurality of first convex rings 110 are arranged on the outer wall of the first hose connecting pipe 12, a plurality of second convex rings 26 are arranged on the outer wall of the second hose connecting pipe 22, and the first convex rings 110 and the second convex rings 26 facilitate the fixed connection between the first hose connecting pipe 12 and the second hose connecting pipe 22 with the hose.

In fig. 1 and 4, the annular grooves 14 are designed at equal intervals, the outer wall of the rubber bag ring 15 is positioned on one side of the inner wall of the rubber sealing sleeve 17, and the rubber bag ring 15 bulges during water injection and firmly presses the rubber sealing sleeve 17 and the inner wall of the connecting sleeve 23.

The working principle of the utility model is as follows: the first connector 1 is fixedly connected with the hose through the first hose connecting pipe 12, the second connector 2 is fixedly connected with the hose through the second hose connecting pipe 22, when the first connector 1 is in butt joint with the second connector 2, the rubber sealing sleeve 17 is firstly sleeved on the connecting pipe 13, the clamping hooks 18 are aligned to the clamping grooves 24, the connecting pipe 13 is inserted into the connecting sleeve 23 and tightly abutted, the first connector 1 or the second connector 2 is rotated to enable the L-shaped clamping hooks 18 to be clamped in the L-shaped clamping grooves 24 in a staggered mode, and therefore the butt joint of the first connector 1 and the second connector 2 is completed.

When the hosepipe leads to water, high pressure water flow can get into in the rubber bag circle 15 through limbers 16, rubber bag circle 15 swells and firmly compresses tightly rubber seal cover 17 and adapter sleeve 23's inner wall under the water pressure effect, thereby strengthen the sealed effect between connecting pipe 13 and the adapter sleeve 23, the leak protection effect is better, when rivers stop, the water of rubber bag circle 15 inside can flow out fast and make rubber bag circle 15 flat down, it causes the cover to die between connecting pipe 13 and the adapter sleeve 23 to avoid rubber bag circle 15 to swell, reverse rotation first connector 1 or No. two connectors 2 make pothook 18 break away from draw-in groove 24, and pull first connector 1 or No. two connectors 2 and can make a connector 1 and No. two connector 2 separation, the split is convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A sealing structure of a fire hose joint comprises a first joint (1) and a second joint (2), and is characterized in that the first joint (1) comprises a first pipe seat (11), one end of the first pipe seat (11) is provided with a first hose connecting pipe (12), the other end of the first pipe seat (11) is provided with a connecting pipe (13), the outer wall of the connecting pipe (13) is provided with a plurality of annular grooves (14), rubber bag rings (15) are fixedly bonded inside the annular grooves (14), the inside of the connecting pipe (13) is communicated with the inside of a bag cavity of the rubber bag rings (15) through a plurality of water through holes (16), a rubber sealing sleeve (17) is sleeved outside the connecting pipe (13), the second joint (2) is positioned on one side of the first joint (1), the second joint (2) comprises a second pipe seat (21), one end of the second pipe seat (21) is provided with a second connecting pipe (22), the other end of second tube socket (21) is equipped with adapter sleeve (23), inside connecting pipe (13) were located adapter sleeve (23), just rubber seal cover (17) closely laminated with the inner wall of adapter sleeve (23).

2. The sealing structure of a fire hose joint according to claim 1, wherein two hooks (18) are fixedly connected to one end of the first tube seat (11), the two hooks (18) are respectively located at two outer sides of the connecting tube (13), two clamping grooves (24) are formed in the outer wall of the second tube seat (21), the clamping grooves (24) and the hooks (18) are both L-shaped structures, and the hooks (18) and the clamping grooves (24) are designed in a matching manner.

3. A sealing structure of a fire hose coupling according to claim 1, wherein the first socket (11) is provided with a plurality of protruding fins (19) on the outside thereof, and the second socket (21) is provided with a plurality of protruding blocks (25) on the outside thereof.

4. A sealing structure of a fire hose coupling according to claim 1, wherein the first hose connector (12) is provided with a plurality of first protruding rings (110) on the outer wall thereof, and the second hose connector (22) is provided with a plurality of second protruding rings (26) on the outer wall thereof.

5. A sealing structure of a fire hose coupling according to claim 1, characterized in that the grooves (14) are designed equidistantly, and the outer wall of the rubber bag ring (15) is located on the side of the inner wall of the rubber sealing boot (17).