Foam fire extinguishing device convenient to use

By introducing a transmission mechanism and a servo motor-driven arc-shaped clamping plate into the foam fire extinguishing device, combined with a mobile cart and a hand push rack, the problems of laborious and fixed immovable handheld fire extinguishers are solved, multi-directional adjustment of the nozzle and convenient movement of the device are achieved, and the convenience of use is improved.

CN223416625UActive Publication Date: 2025-10-10HONGHU TIANXIN PETROCHEM EQUIP MFG CO LTD
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Patent Information

Application Number
CN202422572370.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-10-10
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

Existing foam fire extinguishing devices, especially handheld fire extinguishers, are laborious to hold for a long time, and fixed devices cannot be moved for use, resulting in inconvenience in use.

Method used

A device including a foam fire extinguisher and a mobile vehicle was designed. The nozzle was connected by a hose, and the arc-shaped clamping plate was driven by a transmission mechanism and a servo motor to clamp the nozzle. Combined with a hand push frame and moving wheels, multi-directional adjustment of the nozzle and convenient movement of the device were achieved.

Benefits of technology

The multi-directional adjustment of the nozzle and the convenient movement of the device are realized, which reduces the labor intensity of the user and improves the convenience and flexibility of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a foam fire extinguishing device convenient to use, which comprises a foam fire extinguisher and a mobile vehicle, the output end of the foam fire extinguisher is fixedly connected with a hose, one end of the hose is fixedly connected with a spray head, the top of the mobile vehicle is fixedly connected with a mounting seat, and the foam fire extinguisher is embedded and connected in the mounting seat. The foam fire extinguisher has the beneficial effects that the fixed spray head can be driven to rotate in multiple directions by holding the handle, then a valve on the foam fire extinguisher is opened, so that a fire extinguishing agent in the foam fire extinguisher can be sprayed out through the spray head, meanwhile, multi-direction adjustable spraying is facilitated by controlling the direction of the spray head, and finally, the fire extinguishing agent can be sprayed out. The arranged hand pushing frame can be rotationally unfolded and folded relative to the moving trolley, meanwhile, the moving trolley can conveniently drive the foam fire extinguisher to move, the structure is reasonable, the foam fire extinguisher can be conveniently pushed to move and use, and convenience and labor saving are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to a foam fire-extinguishing device that is easy to use. Background Art

[0002] Foam fire extinguishers work by ejecting large amounts of carbon dioxide and foam. These foams adhere to combustible materials, isolating them from the air and extinguishing the fire. Foam extinguishers are classified into portable foam extinguishers, cart-mounted foam extinguishers, and air-type foam extinguishers. Foam extinguishers should be stored in a dry, cool, well-ventilated area with easy access. They should be kept away from high temperatures or direct sunlight to prevent the carbon dioxide from decomposing and becoming ineffective. Winter antifreeze measures should be taken to prevent freezing. Dust should be removed regularly, and the nozzles should be kept clear of dust and unobstructed.

[0003] Existing foam fire extinguishing devices are divided into fixed and mobile types. The fixed type cannot be moved, and the mobile type is more laborious to hold. Among them, the handheld fire extinguisher itself has a certain weight, which is laborious to hold for a long time, making it inconvenient to use. Therefore, there is an urgent need for a convenient-to-use foam fire extinguishing device to solve the above problems. Utility Model Content

[0004] In order to solve the above problems, the present invention provides a foam fire extinguishing device that is easy to use, and the present invention is achieved through the following technical solutions.

[0005] A convenient foam fire extinguishing device comprises a foam fire extinguisher and a mobile vehicle, wherein the output end of the foam fire extinguisher is fixedly connected to a hose, one end of the hose is fixedly connected to a nozzle, the top of the mobile vehicle is fixedly connected to a mounting seat, and the foam fire extinguisher is embedded in the mounting seat, one end of the top of the mobile vehicle is rotatably connected to a hand push frame through a lifting ear, the hand push frame is rotatably connected to a first groove frame, the interior of the first groove frame is rotatably connected to a second groove frame, the interior of the second groove frame is movably connected to two arc-shaped clamping plates, and a transmission mechanism provided inside the second groove frame is used to drive the two arc-shaped clamping plates to move.

[0006] Furthermore, the outer surface of the arc-shaped clamping plate is fixedly connected to a fixing plate, one end of the fixing plate is fixedly connected to a movable seat, and the nozzle is clamped between the two arc-shaped clamping plates.

[0007] Furthermore, the transmission mechanism includes a transmission box, which is fixedly connected to the inside of the second trough frame, and sliding rods are fixedly connected on both sides of the transmission box. A bidirectional screw is connected through the transmission box, and a worm gear is fixedly connected to the bidirectional screw. A servo motor is fixedly connected to the front side of the transmission box, and the worm gear fixedly connected to the output shaft of the servo motor is meshed with the worm gear. The movable seat is movably connected to the sliding rod and the bidirectional screw, and the bidirectional screw is threadedly matched with the movable seat, and the thread directions at both ends of the bidirectional screw are opposite.

[0008] Furthermore, both sides of the second trough frame are fixedly connected with connecting rods, one end of the connecting rod is rotatably connected to the first trough frame, and a handle is fixedly connected to the two connecting rods.

[0009] Furthermore, the first trough frame is rotatably connected to the push frame via a provided connecting column.

[0010] Furthermore, a positioning mechanism is provided between the mobile vehicle and the hand push frame, and the positioning mechanism includes a movable plate, both ends of the bottom of the movable plate are fixedly connected with an insertion rod, the insertion rod and the hand push frame are movably penetrated, one end of the insertion rod is fixedly connected with a spring, and the positioning hole opened on the top of the mobile vehicle is penetrated and matched with the insertion rod.

[0011] Furthermore, the bottom of the mobile vehicle is provided with moving wheels.

[0012] The beneficial effect of the present invention is that, during the operation of the device, first, the foam fire extinguisher can be placed inside the mounting seat for positioning, and the nozzle connected to the foam fire extinguisher can be placed between the two arc-shaped clamping plates, and then the arc-shaped clamping plates are driven by the transmission mechanism to clamp the nozzle, and then the fixed nozzle can be driven to rotate in multiple directions by the hand-held handle, and then the valve on the foam fire extinguisher is opened, so that the fire extinguishing agent inside the foam fire extinguisher can be sprayed out through the nozzle, and at the same time, the direction of the nozzle can be controlled to facilitate multi-directional adjustment of the spray, finally, the provided hand push frame can be rotated, opened and retracted between the mobile vehicle, and at the same time, the mobile vehicle can facilitate the movement of the foam fire extinguisher, and the structure is reasonable, which is convenient for pushing the foam fire extinguisher for mobile use, and is convenient and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for use in the description of the specific implementation methods. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 : A schematic structural diagram of a convenient-to-use foam fire extinguishing device according to the present invention;

[0015] Figure 2 Figure 1 is a schematic diagram of the connection of the mobile trolley and the hand pushing frame of the utility model;

[0016] Figure 3 Figure 2 is a schematic diagram of the connection of the first slot type frame, the second slot type frame and the arc-shaped clamping plate of the utility model;

[0017] Figure 4 Figure 3 is a schematic diagram of the inside of the transmission box of the utility model.

[0018] The reference signs are as follows:

[0019] 1, foam fire extinguisher; 11, hose; 12, spray head;

[0020] 2, mobile trolley; 21, mounting seat; 22, hand pushing frame; 23, positioning hole;

[0021] 3, movable plate; 31, insertion rod; 32, spring;

[0022] 4, first slot type frame; 41, connecting column;

[0023] 5, second slot type frame; 51, connecting rod; 52, handle;

[0024] 6, arc-shaped clamping plate; 61, fixed plate; 62, movable seat;

[0025] 7, transmission box; 71, servo motor; 711, worm; 72, sliding rod; 73, bidirectional screw; 731, worm wheel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] As shown in Figure 1, the utility model has the following specific embodiments. Figure 1-4

[0028] Embodiment:

[0029] ​A convenient foam fire extinguishing device includes a foam fire extinguisher 1 and a mobile vehicle 2. The output end of the foam fire extinguisher 1 is fixedly connected to a hose 11, one end of the hose 11 is fixedly connected to a nozzle 12, the top of the mobile vehicle 2 is fixedly connected to a mounting seat 21, and the foam fire extinguisher 1 is embedded in the mounting seat 21. One end of the top of the mobile vehicle 2 is rotatably connected to a hand push frame 22 through a lifting ear, the hand push frame 22 is rotatably connected to a first groove frame 4, the interior of the first groove frame 4 is rotatably connected to a second groove frame 5, the interior of the second groove frame 5 is movably connected to two arc-shaped clamping plates 6, and a transmission mechanism provided inside the second groove frame 5 is used to drive the two arc-shaped clamping plates 6 to move.

[0030] By adopting the above technical solution, when using the device, first the foam fire extinguisher 1 can be placed inside the mounting seat 21 for positioning, and the nozzle 12 connected to the foam fire extinguisher 1 can be placed between the two arc-shaped clamping plates 6, and then the arc-shaped clamping plates 6 are driven by the transmission mechanism to clamp the nozzle 12, and then the fixed nozzle 12 can be driven to rotate in multiple directions by the hand-held handle 52, and then by opening the valve on the foam fire extinguisher 1, the fire extinguishing agent inside the foam fire extinguisher 1 can be sprayed out through the nozzle 12, and at the same time, by controlling the direction of the nozzle 12, the spraying can be adjusted in multiple directions. Finally, the provided hand push frame 22 can be rotated, opened and retracted between the mobile vehicle 2. At the same time, the mobile vehicle 2 can facilitate the movement of the foam fire extinguisher 1. The reasonable structure makes it easy to push the foam fire extinguisher 1 for mobile use, which is convenient and labor-saving.

[0031] Specifically, the outer surface of the arc-shaped clamping plate 6 is fixedly connected to a fixed plate 61, one end of the fixed plate 61 is fixedly connected to a movable seat 62, and the nozzle 12 is clamped between the two arc-shaped clamping plates 6;

[0032] The transmission mechanism includes a transmission box 7, which is fixedly connected to the inside of the second trough frame 5. Slide rods 72 are fixedly connected to both sides of the transmission box 7. A bidirectional screw 73 is connected through the transmission box 7. A worm gear 731 is fixedly connected to the bidirectional screw 73. A servo motor 71 is fixedly connected to the front side of the transmission box 7. A worm 711 fixedly connected to the output shaft of the servo motor 71 is meshed with the worm gear 731. The movable seat 62 is movably connected to the slide rod 72 and the bidirectional screw 73. The bidirectional screw 73 is threadedly matched with the movable seat 62, and the threads at both ends of the bidirectional screw 73 are in opposite directions.

[0033] Both sides of the second trough frame 5 are fixedly connected with connecting rods 51, one end of the connecting rod 51 is rotatably connected to the first trough frame 4, and a handle 52 is fixedly connected to the two connecting rods 51;

[0034] The first channel frame 4 is rotatably connected to the push frame 22 via a connecting column 41 .

[0035] By adopting the above technical solution, the nozzle 12 connected to the foam fire extinguisher 1 can be positioned and fixed, and the handheld nozzle 12 can be conveniently sprayed in multiple directions, that is, the nozzle 12 can be placed between the two arc-shaped clamping plates 6, and the servo motor 71 can be turned on to drive the worm 711 to rotate, and the worm 711 can drive the meshing worm gear 731 to rotate, and the worm gear 731 can drive the bidirectional screw 73 to rotate. Since the arc-shaped clamping plate 6 is connected to the movable seat 62 through the fixed plate 61, and the movable seat 62 moves on the bidirectional screw 73 and the slide rod 72, , wherein the bidirectional screw 73 is threadedly engaged with the movable seat 62, so that the servo motor 71 can drive the two movable seats 62 to move in opposite directions, and then the two arc-shaped clamping plates 6 clamp and fix the middle nozzle 12, wherein the handle 52 fixed on the connecting rod 51 is convenient for holding, and the connecting rod 51 can rotate up and down on the first groove frame 4, and the first groove frame 4 can rotate left and right on the hand push frame 22 through the connecting column 41, so that the clamped nozzle 12 can be driven by the hand-held handle 52 to perform multi-directional rotation and spraying.

[0036] Specifically, a positioning mechanism is provided between the mobile vehicle 2 and the hand push frame 22, and the positioning mechanism includes a movable plate 3. Both ends of the bottom of the movable plate 3 are fixedly connected with an insertion rod 31. The insertion rod 31 is movably penetrated by the hand push frame 22. One end of the insertion rod 31 is fixedly connected with a spring 32. The positioning hole 23 opened on the top of the mobile vehicle 2 is penetrated and matched with the insertion rod 31.

[0037] By adopting the above technical solution, the positioning mechanism provided can position the mobile cart 2 and the hand push frame 22, thereby facilitating the rotation adjustment of the hand push frame 22 and facilitating the storage of the mobile cart 2 and the hand push frame 22, that is, when the hand push frame 22 is rotated to be parallel to the mobile cart 2, the mobile cart 2 can be stored, and when the hand push frame 22 is rotated to be perpendicular to the mobile cart 2, at this time, the movable plate 3 provided by the positioning mechanism can be inserted into the positioning hole 23 opened in the mobile cart 2 through the insertion rod 31, so that the mobile cart 2 and the hand push frame 22 can be positioned and fixed, conversely, by pulling the movable plate 3, the insertion rod 31 can be driven to disengage from the positioning hole 23, at this time, the mobile cart 2 can be rotated between the hand push frame 22, thereby facilitating the rotation and storage of the mobile cart 2 and the hand push frame 22, and then facilitating the storage of the mobile cart 2.

[0038] Specifically, the bottom of the moving vehicle 2 is provided with moving wheels.

[0039] By adopting the above technical solution, the provided moving wheels can facilitate the movement of the moving vehicle 2, thereby saving effort when the moving vehicle 2 moves.

[0040] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A convenient-to-use foam fire extinguishing device, comprising a foam fire extinguisher (1) and a mobile vehicle (2), characterized in that: The output end of the foam fire extinguisher (1) is fixedly connected to a hose (11), one end of the hose (11) is fixedly connected to a nozzle (12), the top of the mobile vehicle (2) is fixedly connected to a mounting seat (21), and the foam fire extinguisher (1) is embedded in the mounting seat (21), one end of the top of the mobile vehicle (2) is rotatably connected to a hand push frame (22) through a lifting lug, the hand push frame (22) is rotatably connected to a first trough frame (4), the interior of the first trough frame (4) is rotatably connected to a second trough frame (5), the interior of the second trough frame (5) is movably connected to two arc-shaped clamping plates (6), and a transmission mechanism arranged inside the second trough frame (5) is used to drive the two arc-shaped clamping plates (6) to move.

2. A convenient-to-use foam fire extinguishing device according to claim 1, characterized in that: The outer surface of the arc-shaped clamping plate (6) is fixedly connected to a fixed plate (61), one end of the fixed plate (61) is fixedly connected to a movable seat (62), and the nozzle (12) is clamped between the two arc-shaped clamping plates (6).

3. The convenient-to-use foam fire extinguishing device according to claim 2, characterized in that: The transmission mechanism comprises a transmission box (7), the transmission box (7) is fixedly connected to the inside of the second slotted frame (5), both sides of the transmission box (7) are fixedly connected with slide bars (72), a bidirectional screw (73) is connected through the transmission box (7), a worm wheel (731) is fixedly connected to the bidirectional screw (73), a servo motor (71) is fixedly connected to the front side of the transmission box (7), a worm wheel (711) fixedly connected to the output shaft of the servo motor (71) is meshed with the worm wheel (731), the movable seat (62) is movably connected to the slide bar (72) and the bidirectional screw (73), the bidirectional screw (73) is threadedly matched with the movable seat (62), and the thread directions of the two ends of the bidirectional screw (73) are opposite.

4. The convenient-to-use foam fire extinguishing device according to claim 3, characterized in that: Both sides of the second trough frame (5) are fixedly connected with connecting rods (51), one end of the connecting rod (51) is rotatably connected to the first trough frame (4), and a handle (52) is fixedly connected to the two connecting rods (51).

5. The convenient-to-use foam fire extinguishing device according to claim 4, characterized in that: The first trough frame (4) is rotatably connected to the hand push frame (22) via a provided connecting column (41).

6. The convenient-to-use foam fire extinguishing device according to claim 1, characterized in that: A positioning mechanism is provided between the mobile vehicle (2) and the hand push frame (22), and the positioning mechanism comprises a movable plate (3). Both ends of the bottom of the movable plate (3) are fixedly connected with an insertion rod (31), the insertion rod (31) and the hand push frame (22) are movably penetrated, one end of the insertion rod (31) is fixedly connected with a spring (32), and a positioning hole (23) provided on the top of the mobile vehicle (2) is penetrated and matched with the insertion rod (31).

7. The convenient-to-use foam fire extinguishing device according to claim 1, characterized in that: The bottom of the moving vehicle (2) is provided with moving wheels.