CN216344553U - Fastening type joint for fire hose - Google Patents

Abstract

The utility model relates to the technical field of fire hoses, and discloses a fastening type joint for a fire hose, which comprises a connecting pipe a and a connecting pipe b, wherein a movable plate is sleeved on the connecting pipe a, a threaded pipe is movably sleeved on the movable plate, a fixed ring is fixedly sleeved on the connecting pipe a, the inner side wall of the fixed ring is provided with an annular groove, a sealing ring is movably connected in the annular groove, the right side wall of the annular groove is provided with four sliding grooves, the four sliding grooves are respectively and movably connected with an arc-shaped plate, the four arc-shaped plates are respectively attached to the left side of the movable plate, the connecting pipe a is attached to the connecting pipe b, then the threaded pipe is rotated to the left side to be engaged and connected with the connecting block, so that the movable plate can be driven to move to the left, the four arc-shaped plates can be driven to move to the left, the sealing ring can be extruded by the four arc-shaped plates, and the sealing ring and the outer side surface of the connecting pipe b can be tightly attached to the sealing connecting pipe a and the connecting pipe b, thereby sealing while being rapidly connected, and improving the working efficiency.

Description

Fastening type joint for fire hose

Technical Field

The utility model relates to the technical field of fire hoses, in particular to a fastening type joint for a fire hose.

Background

The prior publication No. CN208871209U discloses a fire hose joint in the technical field of fire-fighting equipment. The fire hose joint comprises a first joint component arranged at one end of a fire hose and a second joint component arranged at the other end of the fire hose and connected with the first joint component, wherein the first joint component and the second joint component respectively comprise a sleeve sleeved in the fire hose, one end of the sleeve is tightly attached to the inner wall of the fire hose, the other end of the sleeve penetrates out of the fire hose and is provided with an installation disc, a plurality of annular grooves are arranged at intervals at the part of the sleeve penetrating through the fire hose, and a tightening strip which tightly presses the fire hose in the annular grooves and is made of elastic rubber materials is tightly matched in the annular grooves; the outer wall of fire hose just is equipped with the clamp that compresses tightly fire hose on the sleeve to telescopic position, and the inner wall of clamp supports and presses the tightening strip, and the one end that the clamp corresponds the mounting disc is equipped with the installation piece, and the mounting disc is equipped with the mounting groove that the installation piece of being convenient for is crowded into. The utility model has the advantage of firm connection of the joints.

Although the fire hose clamp can be tightly pressed on the sleeve, the inner wall of the clamp abuts against the tightening strip, the end, corresponding to the mounting disc, of the clamp is provided with the mounting block, and the mounting disc is provided with the mounting groove facilitating the extrusion of the mounting block.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a fastening type joint for a fire hose, which has the advantages of being capable of being quickly connected and simultaneously sealing, improving the working efficiency and the like, and solves the problems that the joints of most of consumption hoses need to be quickly connected so as to be convenient for firemen to use in emergency, and the joint is not enough in tightness when the joint is quickly connected so as to easily cause water leakage at the joint.

(II) technical scheme

In order to realize the purpose that the sealing can be carried out while the quick connection is realized, so that the working efficiency can be improved, the utility model provides the following technical scheme: the utility model provides a fire hose is with fastening type joint, including connecting pipe an and connecting pipe b, the movable plate has been cup jointed on the connecting pipe a, the screwed pipe has been cup jointed in the activity on the movable plate, fixed cover has solid fixed ring on the connecting pipe a, gu fixed ring's inside wall has seted up the ring channel, swing joint has the sealing ring in the ring channel, four spouts have been seted up to the right side wall of ring channel, equal swing joint has the arc in four spouts, four arcs all laminate with the movable plate left side, gu fixed the cup joints the connecting block on the connecting pipe b, the lateral wall of connecting block has seted up the screw thread, the screwed pipe is connected with the connecting block meshing.

Preferably, the cross section of the sealing ring is circular, and four arc-shaped grooves are formed in the left side of the annular groove.

Preferably, the outer side wall of the threaded pipe is fixedly sleeved with a friction pipe.

Preferably, the connecting pipe a is fixedly sleeved with a limiting ring, and the left side of the limiting ring is attached to the right side of the moving plate.

Preferably, a connecting ring is fixedly mounted on the left side of the moving plate, connecting grooves are formed in the right sides of the four arc-shaped plates, and the connecting ring is connected with the four connecting grooves in a sliding mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a fastening type joint for a fire hose, which has the following beneficial effects:

1. this fire hose is with fastening type joint, through laminating connecting pipe a and connecting pipe b, then rotatory screwed pipe moves left and is connected with the connecting block meshing, thereby can drive the movable plate and move left, just so can drive four arcs and move left, thereby four arcs will extrude the sealing ring, just so can make sealing ring and connecting pipe b lateral surface closely laminate sealing connection pipe a and connecting pipe b, thereby seal when can the high-speed joint, just so can improve work efficiency.

2. This fire hose is with fastening type joint, the cross section through the sealing ring is circular to can drive the sealed ring to remove deformation to connecting pipe b extrusion when four arcs remove left, continue to remove four arcs, when four arcs respectively with four arc wall swing joint after, the reaction force of sealing ring can not drive four arcs and remove right the emergence and fall the influence sealed, can be through the rotatory screwed pipe of friction pipe can improve the practicality of device simultaneously.

3. This fire hose is with fastening type joint can prevent through the spacing ring that screwed pipe and movable plate from moving the distance right and too much taking place to drop the influence and use, can avoid four arcs can't move the influence user along with the movable plate right through go-between and four spread grooves to dismantle simultaneously.

Drawings

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

FIG. 2 is a schematic front sectional perspective view of the present invention;

FIG. 3 is a schematic front perspective view of the retaining ring of FIG. 2 according to the present invention;

FIG. 4 is a schematic rear side perspective view of the retaining ring of FIG. 2 according to the present invention.

In the figure: 1. a connecting pipe a; 2. a limiting ring; 3. an arc-shaped plate; 4. moving the plate; 5. a chute; 6. a fixing ring; 7. a threaded pipe; 8. an annular groove; 9. a seal ring; 10. an arc-shaped slot; 11. a friction tube; 12. a connecting pipe b; 13. connecting blocks; 14. a connecting ring; 15. and connecting the grooves.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular element.

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.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: a fastening type joint for a fire hose comprises a connecting pipe a1 and a connecting pipe b12, a movable plate 4 is sleeved on the connecting pipe a1, a screwed pipe 7 is movably sleeved on the movable plate 4, a fixing ring 6 is fixedly sleeved on the connecting pipe a1, an annular groove 8 is formed in the inner side wall of the fixing ring 6, a sealing ring 9 is movably connected in the annular groove 8, four sliding grooves 5 are formed in the right side wall of the annular groove 8, arc-shaped plates 3 are movably connected in the four sliding grooves 5, the four arc-shaped plates 3 are attached to the left side of the movable plate 4, a connecting block 13 is fixedly sleeved on the connecting pipe b12, threads are formed in the outer side wall of the connecting block 13, the screwed pipe 7 is meshed with the connecting block 13, the connecting pipe a1 is attached to the connecting pipe b12, then the screwed pipe 7 moves leftwards to be meshed with the connecting block 13, so that the movable plate 4 can be driven to move leftwards, thus the four arc-shaped plates 3 can be driven to move leftwards, so that the four arc plates 3 press the sealing ring 9, and thus the sealing ring 9 and the outer side surface of the connecting pipe b12 are tightly attached to seal the connecting pipe a1 and the connecting pipe b12, thereby being capable of sealing while being quickly connected, and improving the working efficiency, the cross section of the sealing ring 9 is circular, the left side of the annular groove 8 is provided with four arc-shaped grooves 10, the outer side wall of the threaded pipe 7 is fixedly sleeved with a friction pipe 11, the cross section of the sealing ring 9 is circular, thereby driving the sealing ring 9 to extrude and deform towards the connecting pipe b12 when the four arc-shaped plates 3 move leftwards, continuously moving the four arc-shaped plates 3, when the four arc-shaped plates 3 are respectively movably connected with the four arc-shaped grooves 10, the reaction force of the sealing ring 9 can not drive the four arc-shaped plates 3 to move rightwards to generate falling to affect sealing, meanwhile, the practicability of the device can be improved by the friction pipe 11 which can facilitate the user to rotate the threaded pipe 7.

In use, the first step: through laminating connecting pipe a1 and connecting pipe b12, then rotatory screwed pipe 7 moves left and is connected with the meshing of connecting block 13, thereby can drive movable plate 4 and move left, just so can drive four arcs 3 and move left, thereby four arcs 3 will extrude sealing ring 9, just so can make sealing ring 9 and connecting pipe b12 lateral surface closely laminate sealed connecting pipe a1 and connecting pipe b12, thereby seal when can high-speed joint, just so can improve work efficiency.

The second step is that: the cross section through sealing ring 9 is circular to can drive sealing ring 9 when four arcs 3 move left and extrude to connecting pipe b12 and move deformation, continue to remove four arcs 3, after four arcs 3 respectively with four arc wall 10 swing joint, sealing ring 9's reaction force can not drive four arcs 3 and move right and take place to fall to influence sealed, can be convenient for user's rotatory screwed pipe 7 can improve the practicality of device through friction pipe 11 simultaneously.

Example two

Referring to fig. 1-4 on the basis of the first embodiment, the limiting ring 2 is fixedly sleeved on the connecting pipe a1, the left side of the limiting ring 2 is attached to the right side of the moving plate 4, the connecting ring 14 is fixedly installed on the left side of the moving plate 4, the connecting grooves 15 are formed in the right sides of the four arc-shaped plates 3, the connecting ring 14 is in sliding connection with the four connecting grooves 15, the limiting ring 2 can prevent the screwed pipe 7 and the moving plate 4 from moving to the right for too much distance to fall off and affect use, and meanwhile, the connecting ring 14 and the four connecting grooves 15 can prevent the four arc-shaped plates 3 from being unable to move to the right along with the moving plate 4 to affect user disassembly.

When the movable plate dismounting device is used, the threaded pipe 7 and the movable plate 4 can be prevented from falling off due to too much right movement distance through the limiting ring 2, and meanwhile, the four arc-shaped plates 3 can be prevented from being dismounted due to the fact that a user cannot be influenced by the fact that the movable plate 4 moves rightwards through the connecting ring 14 and the four connecting grooves 15.

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 (5)

1. The utility model provides a fire hose is with fastening type joint, includes connecting pipe a (1) and connecting pipe b (12), its characterized in that: connecting pipe a (1) is gone up and is cup jointed movable plate (4), screwed pipe (7) have been cup jointed in the activity on movable plate (4), fixed cover has solid fixed ring (6) on connecting pipe a (1), ring channel (8) have been seted up to the inside wall of solid fixed ring (6), swing joint has sealing ring (9) in ring channel (8), four spout (5) have been seted up to the right side wall of ring channel (8), equal swing joint has arc (3) in four spout (5), four arc (3) all laminate with movable plate (4) left side, connecting pipe b (12) are gone up and are fixed to have cup jointed connecting block (13), the lateral wall of connecting block (13) has been seted up threadedly, screwed pipe (7) are connected with connecting block (13) meshing.

2. The fastening type joint for a fire hose according to claim 1, wherein: the cross section of the sealing ring (9) is circular, and four arc-shaped grooves (10) are formed in the left side of the annular groove (8).

3. The fastening type joint for a fire hose according to claim 1, wherein: the outer side wall of the threaded pipe (7) is fixedly sleeved with a friction pipe (11).

4. The fastening type joint for a fire hose according to claim 1, wherein: the connecting pipe a (1) is fixedly sleeved with a limiting ring (2), and the left side of the limiting ring (2) is attached to the right side of the movable plate (4).

5. The fastening type joint for a fire hose according to claim 1, wherein: the left side fixed mounting of movable plate (4) has go-between (14), and spread groove (15) have all been seted up on the right side of four arc (3), and go-between (14) and four spread groove (15) sliding connection.

Images