Portable fire-fighting lance

By designing a portable fire water gun and using mechanical structure to simulate professional water belt throwing techniques, ordinary people can quickly and accurately unfold fire water belts without complex methods, solving the problem that ordinary people find it difficult to unfold bundled water belts.

CN120381635AInactive Publication Date: 2025-07-29景宁畲族自治县交通运输发展中心
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Patent Information

Application Number
CN202510401518.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2025-07-29
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

It is difficult for ordinary people to effectively unfold the bundled fire hose, and the professional techniques are highly required, which can easily affect the expansion speed and accuracy.

Method used

A portable fire water gun is designed, including water belt coils, inserts and water gun components. The professional water belt throwing technique is simulated through mechanical structure, and the automatic expansion of water belts is achieved by using arm movements.

Benefits of technology

Ordinary people can automatically unfold the water belt by swinging the arm and pulling the mechanism without complex fingers and arms, simplifying the operation process and improving the deployment speed and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a portable fire-fighting lance which comprises a water hose roll, an insertion frame assembly, a lance assembly and two insertion frame assemblies. The arm fixing assembly is arranged on the water gun assembly, the arm fixing assembly is connected with an arm in a clamped mode, the two inserting frame assemblies are arranged on the two sides of the water gun assembly, and the arm fixing assembly is connected with the inserting frame assemblies in a linkage mode. The water hose roll is in linkage connection with the insertion frame assembly and comprises a sleeve seat and a water feeding hose. According to the fire-fighting lance convenient to operate, through mutual cooperation of the water hose roll, the insertion frame assemblies, the lance assembly and the two insertion frame assemblies, the fire-fighting lance can simulate a professional water hose throwing manipulation by utilizing a mechanical structure, and common personnel do not need to orderly cooperate with fingers, palms and arms of the common personnel like firemen. Operation of firefighters can be simulated only by swinging arms and pulling a mechanism, and great convenience is brought to use of the firefighters.
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Description

Technical Field

[0001] The present invention relates to the technical field of fire hose nozzles, and specifically to a portable fire hose nozzle. Background Art

[0002] In the field of firefighting, fire hoses are often bundled. Moreover, the bundling method of the hose is different from the one - end spiral winding. It is wound after folding both ends in half. It is difficult for personnel to unfold it. And the single - arm unfolding technique used by professional firefighters has high requirements for the coordination of the arm and fingers and strength. It is very difficult for ordinary people to use this professional technique to fully unfold the hose. Moreover, when using this professional technique, ordinary people are prone to make mistakes, which will affect the unfolding speed of the hose. It is not convenient for personnel to use. Summary of the Invention

[0003] (1) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the present invention provides a portable fire hose nozzle.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the present invention is realized through the following technical solutions: A portable fire hose nozzle includes a hose reel, a plug - in frame assembly, a nozzle assembly, and two plug - in frame assemblies. The arm fixing assembly is arranged on the nozzle assembly, and the arm fixing assembly is clamped with the arm. Two plug - in frame assemblies are arranged on both sides of the nozzle assembly, and the arm fixing assembly is linked with the plug - in frame assembly. The hose reel is linked with the plug - in frame assembly. The hose reel includes a socket and a water - delivery hose. The two ends of the water - delivery hose are folded in half and wound up. One end of the water - delivery hose is connected to the socket, and the other end is communicated with the nozzle assembly.

[0007] Preferably, the nozzle assembly includes a nozzle body and an electronic valve. The electronic valve is arranged inside the nozzle body. The nozzle body is communicated with the water - delivery hose, and the arm fixing assembly is connected to the nozzle body.

[0008] Preferably, the arm fixing assembly includes a strap, a connecting rod, a connecting sleeve, and a ring body. The connecting sleeve is arranged on the nozzle body, and the connecting rod is arranged on the connecting sleeve. The strap and the ring body are both arranged on the connecting rod, and the strap and the ring body are clamped with the arm.

[0009] Preferably, the arm fixing assembly includes a fixed connecting rod, a handguard, a pull rod, and a hinge seat. The fixed connecting rod is detachably clamped inside the ring body, and the hinge seat is arranged outside the ring body. Both ends of the handguard are connected to the movable ends of the hinge seat. A chute is provided on the side surface of the handguard. The pull rod is slidably fitted on the chute.

[0010] Preferably, it further includes a mounting base which is arranged on the main body of the water gun. The plug-in frame assembly includes a clamping block, a sliding block and a linkage belt. The clamping block is arranged on the mounting base. The sliding block is arranged at the end of the pull rod. One end of the linkage belt is connected to the sliding block, and the socket is detachably clamped to the mounting base.

[0011] Preferably, the plug-in frame assembly further includes a roller and a telescopic rod. The telescopic rod is arranged on the clamping block. The roller is arranged at the movable end of the telescopic rod, and the roller is in contact with the linkage belt.

[0012] Preferably, the plug-in frame assembly further includes a slideway seat, a sliding block, a mounting plate and a fixed connecting rod. The slideway seat is vertically arranged on the clamping block, and the sliding block is slidably matched with the slideway seat. The fixed connecting rod is arranged on the sliding block, and the fixed connecting rod is connected to the linkage belt. The mounting plate is arranged at the bottom end of the slideway seat.

[0013] Preferably, the plug-in frame assembly further includes a rack insert, a threaded sleeve, a gear and a threaded rod. The rack insert is slidably matched with the mounting plate along the width direction of the mounting plate. The gear is pivotally connected to the mounting plate, and the rack insert is engaged with the gear. The threaded sleeve is coaxially connected to the gear, and the threaded rod is threadedly connected to the threaded sleeve. The threaded rod is connected to the fixed connecting rod, and one end of the rack insert corresponds to the water delivery belt.

[0014] (III) Beneficial effects

[0015] The present invention provides a portable fire fighting water gun, which has the following beneficial effects:

[0016] 1. For the portable fire fighting water gun, through the cooperation of the water belt reel, the plug-in frame assembly, the water gun assembly and the two plug-in frame assemblies, the present invention can use a mechanical structure to simulate the professional water belt throwing method. Ordinary people no longer need to coordinate the cooperation among their respective fingers, palms and arms like firefighters. Just by swinging the arm and pulling the trigger, the operation of firefighters can be simulated, which greatly facilitates the use of personnel. Brief description of the drawings

[0017] Figure 1 is the first three-dimensional view of the present invention;

[0018] Figure 2 is the second three-dimensional view of the present invention;

[0019] Figure 3 is the third three-dimensional view of the present invention;

[0020] Figure 4 is the third three-dimensional view of the present invention;

[0021] Figure 5 is the fifth three-dimensional view of the present invention;

[0022] Figure 6 For the present invention Figure 1 Enlarged view of part A in the present invention;

[0023] Figure 7 For the present invention Figure 2 Enlarged view of part B in the present invention.

[0024] In the figure: 1 hose reel, 2 threaded sleeve, 3 mounting bracket assembly, 4 arm fixing assembly, 5 electronic valve, 6 water gun body, 7 water gun assembly, 8 mounting seat, 9 socket, 10 hose, 11 strap, 12 connecting rod, 13 connecting sleeve, 14 ring body, 15 pull rod, 16 slider, 17 chute, 18 hand guard, 19 telescopic rod, 20 linkage belt, 21 roller, 22 slideway seat, 23 slider, 24 latch, 25 hinge seat, 26 fixed connecting rod, 27 threaded rod, 28 rack insert, 29 mounting plate, 30 gear. Detailed implementation manners

[0025] An embodiment of the present invention provides a portable fire fighting water gun, as Figure 1-7 shown, which includes a hose reel 1, a mounting bracket assembly 3, a water gun assembly 7 and two mounting bracket assemblies 3. An arm fixing assembly 4 is arranged on the water gun assembly 7, the arm fixing assembly 4 is clamped with the arm, the two mounting bracket assemblies 3 are arranged on both sides of the water gun assembly 7, and the arm fixing assembly 4 is connected to the mounting bracket assembly 3 in a linkage manner. The hose reel 1 is connected to the mounting bracket assembly 3 in a linkage manner, and the hose reel 1 includes a socket 9 and a hose 10. Both ends of the hose 10 are folded and wound, one end of the hose 10 is connected to the socket 9, and the other end is communicated with the water gun assembly 7.

[0026] The water gun assembly 7 includes a water gun body 6 and an electronic valve 5, and the electronic valve 5 is arranged inside the water gun body 6. The water gun body 6 is communicated with the hose 10, and the arm fixing assembly 4 is connected to the water gun body 6.

[0027] The arm fixing assembly 4 includes a strap 11, a connecting rod 12, a connecting sleeve 13 and a ring body 14. The connecting sleeve 13 is arranged on the water gun body 6, and the connecting rod 12 is arranged on the connecting sleeve 13. Both the strap 11 and the ring body 14 are arranged on the connecting rod 12, and the strap 11 and the ring body 14 are clamped with the arm.

[0028] The arm fixing assembly 4 includes a fixed connecting rod 26, a hand guard 18, a pull rod 15 and a hinge seat 25. The fixed connecting rod 26 is detachably clamped inside the ring body 14, and the hinge seat 25 is arranged on the outside of the ring body 14. Both ends of the hand guard 18 are connected to the movable ends of the hinge seat 25, and a chute 17 is provided on the side surface of the hand guard 18. The pull rod 15 is slidably fitted on the chute 17.

[0029] It further includes a mounting base 8 which is arranged on the water gun main body 6. The plug-in frame assembly 3 includes a clamping block 24, a sliding block 16 and a linkage belt 20. The clamping block 24 is arranged on the mounting base 8. The sliding block 16 is arranged at the end of the pull rod 15. One end of the linkage belt 20 is connected to the sliding block 16, and the socket 9 is detachably clamped with the mounting base 8.

[0030] The plug-in frame assembly 3 further includes a roller 21 and a telescopic rod 19. The telescopic rod 19 is arranged on the clamping block 24. The roller 21 is arranged at the movable end of the telescopic rod 19, and the roller 21 is in contact with the linkage belt 20.

[0031] The plug-in frame assembly 3 further includes a slideway seat 22, a sliding block 23, a mounting plate 29 and a fixed connecting rod 26. The slideway seat 22 is vertically arranged on the clamping block 24, and the sliding block 23 is slidably fitted on the slideway seat 22. The fixed connecting rod 26 is arranged on the sliding block 23, and the fixed connecting rod 26 is connected to the linkage belt 20. The mounting plate 29 is arranged at the bottom end of the slideway seat 22.

[0032] The plug-in frame assembly 3 further includes a rack insert 28, a threaded sleeve 2, a gear 30 and a threaded rod 27. The rack insert 28 is slidably fitted on the mounting plate 29 along the width direction of the mounting plate 29. The gear 30 is pivotally connected to the mounting plate 29, and the rack insert 28 meshes with the gear 30. The threaded sleeve 2 is coaxially connected to the gear 30, and the threaded rod 27 is threadedly connected to the threaded sleeve 2. The threaded rod 27 is connected to the fixed connecting rod 26, and one end of the rack insert 28 corresponds to the water delivery belt 10.

[0033] Working principle: When in use, first fold and roll up the water delivery belt 10, then clamp the socket 9 with the mounting base 8, and then adjust the rack insert 28 to insert into the water delivery belt 10. When the operator takes out the water delivery belt 10 from the fire cabinet, first insert the forearm into the binding belt 11 and the ring body 14 and fix it. Then, the operator presses the fixed connecting rod 26 with the tiger's mouth and grabs the pull rod 15 with four fingers. The operator can swing the arm and at the same time pull back the pull rod 15, driving the sliding block 16 to pull the linkage belt 20. At this time, the fixed connecting rod 26 moves upward along the slideway seat 22, driving the threaded rod 27, forcing the threaded sleeve 2 to rotate, so that the rack insert 28 disengages from the water delivery belt 10, and then the water belt rolls forward by inertia to complete the automatic unfolding operation.

[0034] In summary, for this portable-operated fire water gun, through the mutual cooperation of the water belt reel 1, the plug-in frame assembly 3, the water gun assembly 7 and the two plug-in frame assemblies 3, the present invention can use a mechanical structure to simulate the professional water belt throwing technique. Ordinary operators no longer need to coordinate the movements of each finger, palm and arm in an orderly manner like firefighters. Just by swinging the arm and pulling the trigger, the operation of firefighters can be simulated, which greatly facilitates the use of operators.

Claims

1. A portable and operable fire hose nozzle, characterized in that: It includes a hose reel (1), a bracket assembly (3), a water gun assembly (7), and two bracket assemblies (3). The arm fixing assembly (4) is arranged on the water gun assembly (7). The arm fixing assembly (4) is clamped with the arm. The two bracket assemblies (3) are arranged on both sides of the water gun assembly (7). The arm fixing assembly (4) is connected to the bracket assembly (3) in a linkage manner. The hose reel (1) is connected to the bracket assembly (3) in a linkage manner. The hose reel (1) includes a socket (9) and a water delivery hose (10). The two ends of the water delivery hose (10) are folded and wound. One end of the water delivery hose (10) is connected to the socket (9), and the other end is communicated with the water gun assembly (7).

2. The portable operation fire hose according to claim 1, characterized in that: The water gun assembly (7) includes a water gun body (6) and an electronic valve (5). The electronic valve (5) is arranged inside the water gun body (6). The water gun body (6) is communicated with the water delivery hose (10). The arm fixing assembly (4) is connected to the water gun body (6).

3. The portable operation fire hose nozzle according to claim 2, characterized in that: The arm fixing assembly (4) includes a strap (11), a connecting rod (12), a connecting sleeve (13), and a ring body (14). The connecting sleeve (13) is arranged on the water gun body (6). The connecting rod (12) is arranged on the connecting sleeve (13). The strap (11) and the ring body (14) are both arranged on the connecting rod (12). The strap (11) and the ring body (14) are clamped with the arm.

4. A portable operation fire hose nozzle according to claim 3, wherein: The arm fixing assembly (4) includes a fixed connecting rod (26), a hand guard (18), a pull rod (15), and a hinge seat (25). The fixed connecting rod (26) is detachably clamped inside the ring body (14). The hinge seat (25) is arranged on the outer side of the ring body (14). The two ends of the hand guard (18) are connected to the movable ends of the hinge seat (25). A chute (17) is opened on the side surface of the hand guard (18). The pull rod (15) is slidably matched on the chute (17).

5. The portable operation fire water gun according to claim 4, characterized in that: It further includes a mounting seat (8). The mounting seat (8) is arranged on the water gun body (6). The bracket assembly (3) includes a clamping block (24), a slider (16), and a linkage belt (20). The clamping block (24) is arranged on the mounting seat (8). The slider (16) is arranged at the end of the pull rod (15). One end of the linkage belt (20) is connected to the slider (16). The socket (9) is detachably clamped with the mounting seat (8).

6. The portable operation fire water gun according to claim 5, wherein: The bracket assembly (3) further includes a roller (21) and a telescopic rod (19). The telescopic rod (19) is arranged on the clamping block (24). The roller (21) is arranged on the movable end of the telescopic rod (19). The roller (21) is in contact with the linkage belt (20).

7. A portable operation fire hose nozzle according to claim 6, characterized in that: The bracket assembly (3) further includes a slideway seat (22), a slider (23), a mounting plate (29), and a fixed connecting rod (26). The slideway seat (22) is vertically arranged on the clamping block (24). The slider (23) is slidably matched on the slideway seat (22). The fixed connecting rod (26) is arranged on the slider (23). The fixed connecting rod (26) is connected to the linkage belt (20). The mounting plate (29) is arranged at the bottom end of the slideway seat (22).

8. A portable operation fire hose nozzle according to claim 7, characterized in that: The plug-in frame assembly (3) further includes a rack insert piece (28), a threaded sleeve (2), a gear (30), and a threaded rod (27). The rack insert piece (28) is slidably fitted on the mounting plate (29) along the width direction of the mounting plate (29). The gear (30) is pivotally connected to the mounting plate (29). The rack insert piece (28) meshes with the gear (30). The threaded sleeve (2) is coaxially connected to the gear (30). The threaded rod (27) is threadedly connected to the threaded sleeve (2). The threaded rod (27) is connected to the fixed connecting rod (26). One end of the rack insert piece (28) corresponds to the water delivery belt (10).