Fire-fighting lance for fire fighting
By incorporating wearable devices, lighting equipment, and telescopic components into fire hoses, the physical exertion and nighttime illumination issues during fire hose operation have been resolved, thereby reducing firefighter fatigue and improving operational stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-04-07
AI Technical Summary
Existing fire hoses, due to their own weight and water flow quality, require firefighters to expend a lot of energy when holding them, and lack lighting capabilities, which is especially unfavorable for timely firefighting at night.
A fire hose reel was designed, equipped with a wearable device, a lighting device, and a telescopic assembly. The wearable device reduces hand fatigue through a connecting ring, a connecting PVC plate, and a connecting strap. The lighting device adjusts the lighting area and the lighting distance through the telescopic assembly. A support rod and an adjusting rod improve operational stability.
It reduces firefighter fatigue and shoulder wear, provides lighting assistance in dark environments, improves operational stability and flexibility, and reduces strain on the arms and shoulders.
Smart Images
Figure CN224085892U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire-fighting equipment technology, and in particular to a fire hose for fire fighting. Background Technology
[0002] Fire hoses are water jetting tools used for extinguishing fires. When connected to a fire hose, they spray a dense and powerful stream of water, which has advantages such as long range and large water volume. According to different jet forms and characteristics, they can be divided into: straight stream hoses, spray hoses, multi-purpose hoses, etc. Among them, the most commonly used hoses are straight stream hoses and spray hoses.
[0003] Existing fire hoses are subject to their own weight and the quality of the water flow during use, resulting in a large weight. This leads to high physical exertion for firefighters when they hold the hoses to extinguish fires, increasing their burden. Furthermore, most existing fire hoses cannot provide illumination during firefighting, especially at night, which hinders the timely extinguishing of fires. Summary of the Invention
[0004] To address the shortcomings mentioned above, this utility model provides a fire hose for firefighting.
[0005] This utility model achieves the above-mentioned objective through the following technical solution: A fire hose for firefighting includes a hose body, a nozzle fixedly installed at the front end of the hose body, a control switch fixedly installed on the outer side of the front end of the nozzle, a nozzle outlet fixedly provided at the front end of the nozzle, a connecting collar movably installed on the left side of the hose body, a hose movably installed on the inner side of the rear end of the connecting collar, the hose being rotatably and fixedly connected to the rear end of the hose body through the connecting collar, and a wearable device fixedly installed on the outer side of the middle part of the hose body. The wearable device includes a connecting ring, a connecting flexible plate, a first connecting strap, a second connecting strap, and a lighting device. The connecting ring is fixedly sleeved on the outer side of the middle part of the hose body, the bottom end of the connecting ring is fixedly connected to the top end of the connecting flexible plate, the front and rear ends of the connecting flexible plate are respectively fixedly connected to one end of the first connecting strap and the second connecting strap, the other ends of the first connecting strap and the second connecting strap are connected by Velcro, and the connecting flexible plate, the first connecting strap, and the second connecting strap can form a closed ring. The lighting device is provided on one side of the connecting ring, and the connecting ring and the lighting device are fixedly connected by a telescopic component.
[0006] Preferably, the inner side of the connecting flexible plate is curved and fits against the firefighter's shoulder.
[0007] Preferably, the connecting soft plate, the first connecting strap and the second connecting strap are all provided with a sponge layer on the side near the shoulder, and an elastic band is provided in the middle of the first connecting strap and the second connecting strap.
[0008] Preferably, the lighting device includes a connecting sleeve and a lighting lamp. The connecting sleeve is fitted over the outside of the lighting lamp. The telescopic component includes a fixed sleeve disposed on one side of the connecting ring and a sliding column fixedly connected to the connecting sleeve. The sliding column is inserted into the fixed sleeve. A bolt is threaded onto the fixed sleeve. An abutting surface is provided on the sliding column. The bolt passes through the fixed sleeve and abuts against the abutting surface.
[0009] Preferably, a sliding groove is formed on the side wall of the fixed sleeve along its axial direction, and a sliding column is provided outside the sliding column, with the sliding column slidingly engaging with the sliding groove.
[0010] Preferably, a spring is provided at one end of the sliding post near the connecting ring, with one end of the spring fixedly connected to the sliding post and the other end fixedly connected to the connecting ring.
[0011] Preferably, a support plate is fixedly installed at the lower end of the outer side of the rear end of the water hose, a movable connecting rod is fixedly installed at the side end of the support plate, a support rod is fixedly connected at the lower end of the movable connecting rod, a support rod is movably connected at the lower end of the support rod, the support rod passes through the interior of the support rod, an extension rod is fixedly connected at the lower end of the support rod, and a connection port is fixedly provided at the lower end of the extension rod.
[0012] Preferably, a second support rod is fixedly installed at the lower end of the middle part of the spray head, and an adjusting rod is movably connected to the lower end of the second support rod. The second support rod passes through the interior of the adjusting rod, and an anti-slip handle is fixedly installed on the outer side of the adjusting rod. Anti-detachment plates are fixedly installed at the upper and lower ends of the outer side of the anti-slip handle.
[0013] Preferably, a buffer spring is fixedly connected to the lower end of the support rod, and the lower end of the buffer spring is movably connected to the interior of the support rod.
[0014] Preferably, the upper end of the support rod is fixedly provided with a second connection port, and the support rod is fixedly connected to the movable connecting rod through the second connection port. The upper end of the second support rod is fixedly installed with a connecting plate, and the second support rod is fixedly connected to the spray head through the connecting plate.
[0015] The beneficial effects of this utility model are:
[0016] The wearable device prevents firefighters from experiencing hand and arm fatigue from prolonged handling of fire hoses. It also avoids the impact of high water pressure that could cause imbalances. The flexible connecting plate protects the firefighter's shoulders, reducing shoulder wear from prolonged use. The first and second connecting straps are adjustable to accommodate different shoulder sizes. When wearing the device, the connecting plate fits snugly against the firefighter's shoulder, and the first and second connecting straps are wrapped around the shoulder and secured with Velcro, thus putting on the fire hose. The included lighting provides illumination in the dark, facilitating firefighter work. A telescopic component between the lighting device and the connecting ring allows for adjustment of the distance between the lighting device and the fire hose, enabling easy adjustment of the illuminated area.
[0017] The included support rod allows firefighters to attach it to their belt via a connector at the lower end of the extension rod. This support reduces shoulder strain, preventing fatigue during extended periods and thus minimizing burnout. The adjustable rod, with its non-slip handle and anti-slip plate, prevents the nozzle from slipping during operation, enhancing the fire hose's protective effectiveness. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of the fire hose of this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the telescopic component of this utility model;
[0020] Figure 3 This utility model provides a schematic diagram of the internal structure of a support rod.
[0021] In the diagram: 1. Water gun body; 2. Spray head; 3. Control switch; 4. Spray nozzle; 5. Connecting collar; 6. Water hose; 7. Connecting ring; 8. Connecting flexible plate; 9. First connecting strap; 10. Second connecting strap; 11. Velcro; 12. Sponge layer; 121. Elastic band; 13. Connecting sleeve; 14. Fixing sleeve; 141. Bolt; 142. Slide groove; 15. Sliding column; 151. Contact surface; 152. Sliding column; 153. Spring; 16. Support plate; 17. Movable connecting rod; 18. Support rod; 181. Buffer spring; 19. Support rod one; 20. Extension rod; 201. Connecting port one; 21. Support rod two; 22. Adjusting rod; 221. Anti-slip handle; 222. Anti-detachment plate. Detailed Implementation
[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0023] like Figure 1 As shown, a fire hose for firefighting includes a hose body 1. A nozzle 2 is fixedly installed at the front end of the hose body 1. A control switch 3 is fixedly installed on the outer side of the front end of the nozzle 2. A nozzle 4 is fixedly provided at the front end of the nozzle 2. A connecting collar 5 is movably installed on the left side of the hose body 1. A hose 6 is movably installed on the inner side of the rear end of the connecting collar 5. The hose 6 is rotatably and fixedly connected to the rear end of the hose body 1 through the connecting collar 5. A wearer is fixedly installed on the outer side of the middle part of the hose body 1. The wearer includes a connecting ring 7, a connecting flexible plate 8, a first connecting strap 9, a second connecting strap 10, and a lighting device. The connecting ring 7 is fixedly sleeved on the outer side of the middle part of the hose body 1, and the bottom end of the connecting ring 7 is fixedly connected to the connecting collar 1. The top of the flexible board 8 is connected to one end of the first connecting strap 9 and the second connecting strap 10 at the front and rear ends of the flexible board 8, respectively. The other ends of the first connecting strap 9 and the second connecting strap 10 are connected by Velcro 11. The flexible board 8, the first connecting strap 9 and the second connecting strap 10 can form a closed ring. A lighting device is provided on one side of the connecting ring 7. The connecting ring 7 and the lighting device are fixedly connected by a telescopic component. The inner side of the flexible board 8 is arc-shaped and fits against the firefighter's shoulder. A sponge layer 12 is provided on the side of the flexible board 8, the first connecting strap 9 and the second connecting strap 10 near the shoulder. An elastic band 121 is provided in the middle of the first connecting strap 9 and the second connecting strap 10. This structure, through its wearable device, avoids hand and arm fatigue caused by firefighters holding and operating fire hoses for extended periods. It also prevents imbalances caused by the impact of high water pressure. The connecting soft plate 8 protects the firefighter's shoulders, reducing shoulder wear from prolonged use. The first connecting strap 9 and the second connecting strap 10 are adjustable to accommodate different shoulder sizes. When wearing the fire hose, the connecting soft plate 8 fits snugly against the firefighter's shoulder, and the first and second connecting straps 9 and 10 are wrapped around the shoulder and secured with Velcro 11, allowing for quick and easy donning of the fire hose. The sponge layer 12 enhances the firefighter's comfort. The elastic bands on the first and second connecting straps 9 and 10 provide a degree of elasticity, ensuring a secure fit around the fire hose and reducing the possibility of displacement after donning.
[0024] like Figure 2As shown, the lighting equipment includes a connecting sleeve 13 and a lighting lamp. The connecting sleeve 13 is fitted on the outside of the lighting lamp. The telescopic component includes a fixed sleeve 14 disposed on one side of the connecting ring 7 and a sliding post 15 fixedly connected to the connecting sleeve 13. The sliding post 15 is inserted into the fixed sleeve 14. A bolt 141 is threaded onto the fixed sleeve 14. A contact surface 151 is provided on the sliding post 15. The bolt 141 passes through the fixed sleeve 14 and abuts against the contact surface 151. A groove 142 is opened on the side wall of the fixed sleeve 14 along its axial direction. A sliding post 152 is provided on the outside of the sliding post 15. The sliding post 152 slides with the groove 142. A spring 153 is provided at one end of the sliding post 15 near the connecting ring 7. One end of the spring 153 is fixedly connected to the sliding post 15, and the other end is fixedly connected to the connecting ring 7. This structure provides illumination in darkness through the installed lighting equipment, facilitating the work of firefighters. The telescopic component between the lighting equipment and the connecting ring 7 allows adjustment of the distance between the lighting equipment and the fire hose, simplifying the adjustment of the lighting area. Loosening bolt 141 allows the sliding column 15 to slide within the fixed sleeve 14, adjusting the distance between the lighting fixture and the fire hose body 1, and then tightening bolt 141. Alternatively, by installing spring 153, after loosening bolt 141, the sliding column 15 moves away from the connecting ring 7 under the spring force of spring 153. Simply press the connecting sleeve 13 to position the lighting fixture as needed, and then tighten bolt 141, further facilitating the adjustment of the distance between the lighting fixture and the fire hose body 1.
[0025] like Figure 1 As shown, a support plate 16 is fixedly installed at the lower end of the outer rear end of the hose 6. A movable connecting rod 17 is fixedly installed at the side end of the support plate 16. A support rod 18 is fixedly connected to the lower end of the movable connecting rod 17. A support rod 19 is movably connected to the lower end of the support rod 18. The support rod 18 passes through the interior of the support rod 19. An extension rod 20 is fixedly connected to the lower end of the support rod 19. A connection port 201 is fixedly provided at the lower end of the extension rod 20. With this structure, through the support rod 18, firefighters can connect the extension rod 20 to their belts via the connection port 201 at the lower end of the extension rod 20. The support rod 18 reduces shoulder strain on firefighters, thus preventing fatigue during long periods of time and reducing the fatigue experienced by firefighters.
[0026] like Figure 1As shown, a support rod 21 is fixedly installed at the lower end of the middle of the sprinkler head 2. An adjusting rod 22 is movably connected to the lower end of the support rod 21, and the support rod 21 passes through the interior of the adjusting rod 22. An anti-slip handle 221 is fixedly installed on the outer side of the adjusting rod 22, and anti-slip plates 222 are fixedly installed at the upper and lower ends of the outer side of the anti-slip handle 221. With this structure, firefighters can adjust the height of their arms using the anti-slip handle 221 via the adjusting rod 22. The anti-slip plates 222 prevent firefighters from slipping when operating the sprinkler head 2, making it easy for firefighters to adjust and preventing it from falling off during operation, thereby increasing the protective effect of the fire hose.
[0027] like Figure 3 As shown, a buffer spring 181 is fixedly connected to the lower end of the support rod 18, and the lower end of the buffer spring 181 is movably connected to the inside of the support rod 19. With this structure, by installing the buffer spring 181, the water hose 6 will generate high water pressure when the water gun body 1 sprays water. The buffer spring 181 can reduce the water pressure when the firefighter sprays water on his shoulder, so that the firefighter will not lose his balance due to water pressure.
[0028] like Figure 1 As shown, a second connection port is fixedly provided at the upper end of the support rod 18. The support rod 18 is fixedly connected to the movable connecting rod 17 through the second connection port. A connecting plate is fixedly installed at the upper end of the second support rod 21, and the second support rod 21 is fixedly connected to the sprinkler head 2 through the connecting plate. With this structure, by installing the movable connecting rod 17, the support rod 18 can be moved, allowing the fire hose to be adjusted when worn on the firefighter's shoulder, thereby improving the flexibility of the fire hose.
[0029] In use, connect the connector 201 at the lower end of the extension rod 20 to the firefighter's belt; then fit the connecting flexible plate 8 against the firefighter's shoulder, and wrap the first connecting strap 9 and the second connecting strap 10 around the shoulder, connecting them with Velcro 11 to quickly put on the fire hose; adjust the angle of the hose body 1 using the adjusting rod 22 and the anti-slip handle 221, and then connect the hose 6 to the hose body 1 via the connecting collar 5 when spraying water, and fix the support plate 16 to the lower end of the hose 6 outside, and then spray water by controlling the switch 3; when the position of the lighting needs to be adjusted, loosen the bolt 141, and the moving column 15 moves away from the connecting collar 7 under the action of the spring 153, simply press the connecting sleeve 13 to put the lighting in the desired position, and then tighten the bolt 141.
[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A fire hose reel for firefighting, comprising a hose reel body (1), characterized in that: A water nozzle (2) is fixedly installed at the front end of the water gun body (1). A control switch (3) is fixedly installed on the outer side of the front end of the water nozzle (2). A water outlet (4) is fixedly provided at the front end of the water nozzle (2). A connecting collar (5) is movably installed on the left side of the water gun body (1). A water hose (6) is movably installed on the inner side of the rear end of the connecting collar (5). The water hose (6) is rotatably and fixedly connected to the rear end of the water gun body (1) through the connecting collar (5). A wearer is fixedly installed on the outer side of the middle part of the water gun body (1). The wearer includes a connecting ring (7), a connecting flexible plate (8), a first connecting strap (9), a second connecting strap (10), and a lighting device. The connecting ring (7) is fixedly sleeved on the outer side of the middle part of the water gun body (1). The bottom end of the connecting ring (7) is fixedly connected to the top end of the connecting flexible plate (8). The front and rear ends of the connecting flexible plate (8) are respectively fixedly connected to one end of the first connecting strip (9) and the second connecting strip (10). The other ends of the first connecting strip (9) and the second connecting strip (10) are connected by Velcro (11). The connecting flexible plate (8), the first connecting strip (9) and the second connecting strip (10) can form a closed ring. The lighting device is provided on one side of the connecting ring (7). The connecting ring (7) and the lighting device are fixedly connected by a telescopic component.
2. A fire hose reel for firefighting according to claim 1, characterized in that: The inner side of the connecting flexible plate (8) is curved and fits against the firefighter's shoulder.
3. A fire hose reel for firefighting according to claim 2, characterized in that: The connecting soft plate (8), the first connecting strip (9) and the second connecting strip (10) are all provided with a sponge layer (12) on the side near the shoulder, and an elastic strip (121) is provided in the middle of the first connecting strip (9) and the second connecting strip (10).
4. A fire hose reel for firefighting according to claim 1, characterized in that: The lighting device includes a connecting sleeve (13) and a lighting lamp. The connecting sleeve (13) is fitted on the outside of the lighting lamp. The telescopic component includes a fixed sleeve (14) disposed on one side of the connecting ring (7) and a sliding column (15) fixedly connected to the connecting sleeve (13). The sliding column (15) is inserted into the fixed sleeve (14). A bolt (141) is threaded onto the fixed sleeve (14). An abutting surface (151) is provided on the sliding column (15). The bolt (141) passes through the fixed sleeve (14) and abuts against the abutting surface (151).
5. A fire hose reel for firefighting according to claim 4, characterized in that: A sliding groove (142) is provided on the side wall of the fixed sleeve (14) along its axial direction, and a sliding post (152) is provided outside the sliding post (15), and the sliding post (152) slides in conjunction with the sliding groove (142).
6. A fire hose reel for firefighting according to claim 5, characterized in that: The sliding post (15) is provided with a spring (153) at one end near the connecting ring (7). One end of the spring (153) is fixedly connected to the sliding post (15), and the other end is fixedly connected to the connecting ring (7).
7. A fire hose reel for firefighting according to claim 1, characterized in that: A support plate (16) is fixedly installed at the lower end of the outer side of the water hose (6). A movable connecting rod (17) is fixedly installed at the side end of the support plate (16). A support rod (18) is fixedly connected at the lower end of the movable connecting rod (17). A support rod (19) is movably connected at the lower end of the support rod (18). The support rod (18) passes through the interior of the support rod (19). An extension rod (20) is fixedly connected at the lower end of the support rod (19). A connection port (201) is fixedly provided at the lower end of the extension rod (20).
8. A fire hose reel for firefighting according to claim 7, characterized in that: A support rod (21) is fixedly installed at the lower end of the middle part of the spray head (2). An adjusting rod (22) is movably connected to the lower end of the support rod (21). The support rod (21) passes through the interior of the adjusting rod (22). An anti-slip handle (221) is fixedly installed on the outside of the adjusting rod (22). Anti-detachment plates (222) are fixedly installed at the upper and lower ends of the outside of the anti-slip handle (221).
9. A fire hose reel for firefighting according to claim 8, characterized in that: The lower end of the support rod (18) is fixedly connected to a buffer spring (181), and the lower end of the buffer spring (181) is movably connected to the interior of the support rod (19).
10. A fire hose reel for firefighting according to claim 9, characterized in that: The upper end of the support rod (18) is fixedly provided with a second connection port. The support rod (18) is fixedly connected to the movable connecting rod (17) through the second connection port. The upper end of the second support rod (21) is fixedly installed with a connecting plate. The second support rod (21) is fixedly connected to the spray head (2) through the connecting plate.