CN219317903U

CN219317903U - Quick-connection fire hose

Info

Publication number: CN219317903U
Application number: CN202223375006.6U
Authority: CN
Inventors: 朱红华
Original assignee: Taizhou Huapeng Fire Fighting Rescue Equipment Co ltd
Current assignee: Taizhou Huapeng Fire Fighting Rescue Equipment Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-07-07
Anticipated expiration: 2032-12-15

Abstract

The application relates to a quick connect fire hose, including hose, joint and the joint fire hose structure that the plug constitutes jointly, be equipped with seal structure between joint and the plug, be equipped with the locking ware between joint and the plug, wherein, seal structure including set up in outside seal groove of plug and fixed mounting in the seal ring that the joint inner wall is located the seal groove, in addition, the locking ware including set up in slot, fixed mounting in plug top and bottom connect inner chamber roof and diapire telescopic spring and fixed mounting in connect the elastic expansion link of top and bottom, telescopic spring's inside fixed mounting has and peg graft and the movable cartridge that runs through to the joint outside with the slot. This connect formula fire hose soon, seal structure through setting up to sealed when having made things convenient for joint and plug grafting butt joint, the locking ware that the cooperation set up simultaneously has guaranteed quick butt joint and locking, thereby has made things convenient for quick assembly concatenation between the hosepipe pipe, improves the efficiency of concatenation.

Description

Quick-connection fire hose

Technical Field

The application relates to the technical field of fire hose, in particular to a quick-connection fire hose.

Background

The fire hose is a hose for conveying high-pressure water or foam and other flame-retardant liquid, the traditional fire hose takes rubber as a lining, the outer surface of the traditional fire hose is wrapped with flax braid, the advanced fire hose is made of polyurethane and other polymeric materials, both ends of the fire hose are provided with metal joints, and the fire hose can be connected with another water hose to prolong the distance or connected with a nozzle to increase the liquid injection pressure.

According to the quick-connect fire hose disclosed in Chinese patent CN208845925U, the quick-connect fire hose comprises a hose main body; a first connecting pipe and a second connecting pipe are respectively arranged at two ends of the water hose main body; the second connecting pipe comprises a pipe body and a sleeve; the pipe body is communicated with the water hose main body, and a spiral groove is formed in the peripheral surface of the pipe body; a limiting boss is arranged on the inner side wall of the sleeve; the sleeve is sleeved on the pipe body, and the limiting boss is inserted into the spiral groove and is in sliding connection with the sleeve; the limiting boss is connected with the pipe body through a torsion spring arranged in the spiral groove; the inner peripheral surface of the sleeve is in threaded connection with the outer peripheral surface of the first connecting pipe; the pipe body is provided with a fastening device; the fastening device is used for locking or unlocking the sleeve. The quick-connection type fire hose provided by the utility model is convenient for connecting a plurality of fire hoses together, is convenient for prolonging the length of the fire hose and shortens the connecting time.

The connected mode that its adopted compares current rotary joint connected mode, and its modified mounting means still can't improve the efficiency of installation, and this application can realize fast assembly through the mode of pulling out the plug and connect, improves the efficiency of connecting between the water pipe, strives for time for putting out a fire.

Disclosure of Invention

To the not enough of prior art, this application provides a quick connect formula fire hose, possesses advantages such as packaging efficiency is high, has solved the unable problem that improves the efficiency of installation of current rotary joint connected mode, mounting means.

In order to achieve the above purpose, the present application provides the following technical solutions: the quick-connection fire hose comprises a fire hose structure consisting of a hose pipe, a connector and a plug, wherein a sealing structure is arranged between the connector and the plug, and a locking device is arranged between the connector and the plug;

the sealing structure comprises a sealing groove arranged outside the plug and a sealing ring fixedly arranged on the inner wall of the joint and positioned in the sealing groove;

in addition, the locking device comprises slots arranged at the top and the bottom of the plug, telescopic springs fixedly arranged on the top wall and the bottom wall of the inner cavity of the connector and elastic telescopic rods fixedly arranged at the top and the bottom of the connector, inserting blocks which are inserted into the slots and movably penetrated to the outside of the connector are fixedly arranged in the telescopic springs, and locking sleeves which are in contact with the inserting blocks are fixedly arranged between the right sides of the two elastic telescopic rods.

Further, the elastic telescopic rod comprises spring and telescopic link, and the telescopic link comprises urceolus and interior pole, and the inside sliding connection of urceolus has the activity to run through to the outside interior pole of urceolus, and urceolus and the one end that interior pole kept away from each other are respectively with the inboard both ends fixed connection of spring, and the outside both ends of spring are respectively with lock sleeve and joint fixed connection.

Further, when the elastic telescopic rod is in a compressed state, the locking sleeve is separated from the inserting block, and the inserting block is separated from the inserting groove.

Further, the locking sleeve is a hollow cylinder, and the right side of the locking sleeve is inclined from top to bottom by an angle of thirty degrees.

Further, the seal groove is a circular ring, the seal ring is a circular ring body elastic seal rubber ring, and the seal ring is tightly attached to the plug.

Further, the right side of the plug block is an inclined plane which is matched with the size and shape of the slot, and a through hole through which the plug block passes is formed in the connector.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this connect formula fire hose soon, seal structure through setting up to sealed when having made things convenient for joint and plug grafting butt joint, the locking ware that the cooperation set up simultaneously has guaranteed quick butt joint and locking, thereby has made things convenient for quick assembly concatenation between the hosepipe pipe, improves the efficiency of concatenation.

Drawings

FIG. 1 is a cross-sectional view of the present application;

FIG. 2 is an enlarged view of FIG. 1A of the present application;

fig. 3 is a front view of the present application.

In the figure: 1. a water hose pipe; 2. a joint; 3. a plug; 4. sealing grooves; 5. a seal ring; 6. a slot; 7. a telescopic spring; 8. inserting blocks; 9. a locking sleeve; 10. an elastic telescopic rod.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Referring to fig. 1-3, a quick-connect fire hose in this embodiment includes a fire hose structure composed of a hose pipe 1, a connector 2 and a plug 3, a sealing structure is arranged between the connector 2 and the plug 3, and a locking device is arranged between the connector 2 and the plug 3.

The sealing structure comprises a sealing groove 4 arranged outside the plug 3 and a sealing ring 5 fixedly arranged on the inner wall of the joint 2 and positioned in the sealing groove 4.

It should be noted that, seal groove 4 is the ring shape, and sealing ring 5 is the ring body elastic seal rubber circle, and sealing ring 5 closely laminates with plug 3, has guaranteed that sealing ring 5 reaches good sealed effect to sealing ring 5.

The locking device in this embodiment includes slot 6 of seting up in plug 3 top and bottom, fixed mounting in the telescopic spring 7 of joint 2 inner chamber roof and diapire and fixed mounting in the elasticity telescopic link 10 of joint 2 top and bottom, and telescopic spring 7's inside fixed mounting has the inserted block 8 that pegs graft and run through to joint 2 outside with slot 6, and fixed mounting has the lock sleeve 9 that contacts with inserted block 8 between the right side of two elasticity telescopic links 10.

The elastic telescopic rod 10 comprises spring and telescopic link, the telescopic link comprises urceolus and interior pole, the inside sliding connection of urceolus has the activity to run through to the outside interior pole of urceolus, urceolus and interior pole keep away from each other one end respectively with the inboard both ends fixed connection of spring, the outside both ends of spring respectively with lock sleeve 9 and joint 2 fixed connection, it can carry out flexible support lock sleeve 9 to have guaranteed the elastic telescopic rod 10, lock sleeve 9 is hollow cylinder, the right side of lock sleeve 9 is by the thirty degrees angle of slope from top to bottom, the contact with inserted block 8 can not cause to stop when having guaranteed that lock sleeve 9 removes.

When the elastic telescopic rod 10 is in a compressed state, the locking sleeve 9 is separated from the insert block 8, and the insert block 8 is separated from the slot 6, so that the insert block 8 and the slot 6 can be inserted and separated.

The right side of the insert block 8 is an inclined plane which is matched with the slot 6 in size and shape, and the joint 2 is provided with a through hole penetrated by the insert block 8.

The working principle of the embodiment is as follows:

through the joint 2 and the plug 3, the plug 3 at one end is conveniently inserted into the joint 2 when the water hose pipe 1 is assembled and butted, the sealing ring 5 on the joint 2 is sealed and filled into the sealing groove 4 in the plug 3, and meanwhile, the elastic telescopic rod 10 is matched, when the elastic telescopic rod is in an extending state, the locking sleeve 9 is driven to press the inserting block 8 to be inserted into the inserting groove, the telescopic spring 7 is synchronously extended, the plug 3 is locked and fixed in the joint 2, and the stability of connection is ensured;

simultaneously, the locking sleeve 9 is stirred to be separated from the inserting block 8, the elastic telescopic rod 10 is compressed, and meanwhile, the telescopic spring 7 elastically resets to drive the inserting block 8 to be separated from the inserting groove 6, so that the quick disassembly between the connector 2 and the plug 3 can be realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a connect formula fire hose soon, includes fire hose structure that hosepipe pipe (1), joint (2) and plug (3) constitute jointly, its characterized in that: a sealing structure is arranged between the connector (2) and the plug (3), and a locking device is arranged between the connector (2) and the plug (3);

the sealing structure comprises a sealing groove (4) arranged outside the plug (3) and a sealing ring (5) fixedly arranged on the inner wall of the joint (2) and positioned in the sealing groove (4);

in addition, the locking device comprises slots (6) formed in the top and the bottom of the plug (3), telescopic springs (7) fixedly mounted on the top wall and the bottom wall of the inner cavity of the connector (2) and elastic telescopic rods (10) fixedly mounted on the top and the bottom of the connector (2), inserting blocks (8) which are inserted into the slots (6) and movably penetrated to the outside of the connector (2) are fixedly mounted in the telescopic springs (7), and locking sleeves (9) which are in contact with the inserting blocks (8) are fixedly mounted between the right sides of the elastic telescopic rods (10).

2. The quick connect fire hose of claim 1, wherein: the elastic telescopic rod (10) consists of a spring and a telescopic rod, the telescopic rod consists of an outer cylinder and an inner rod, the inner rod which movably penetrates through the outer part of the outer cylinder is connected in a sliding manner, one ends of the outer cylinder and the inner rod, which are far away from each other, are respectively fixedly connected with the two ends of the inner side of the spring, and the two ends of the outer side of the spring are respectively fixedly connected with the locking sleeve (9) and the joint (2).

3. The quick connect fire hose of claim 1, wherein: when the elastic telescopic rod (10) is in a compressed state, the locking sleeve (9) is separated from the inserting block (8), and the inserting block (8) is separated from the inserting groove (6).

4. The quick connect fire hose of claim 1, wherein: the locking sleeve (9) is a hollow cylinder, and the right side of the locking sleeve (9) is inclined from top to bottom by thirty degrees.

5. The quick connect fire hose of claim 1, wherein: the sealing groove (4) is a circular ring, the sealing ring (5) is a circular ring body elastic sealing rubber ring, and the sealing ring (5) is tightly attached to the plug (3).

6. The quick connect fire hose of claim 1, wherein: the right side of the insertion block (8) is an inclined plane which is matched with the slot (6) in size and shape, and the joint (2) is provided with a through hole penetrated by the insertion block (8).