Windmill fire extinguisher rear handle assembly

Abstract

The utility model relates to wind power fire extinguishing equipment technical field, concretely for wind power fire extinguishing machine rear hand handle subassembly, including two L shape connecting rods of symmetrical settings, install handheld part between two L shape connecting rods, handheld part includes the grip lever, one air bag is fixedly installed in the top and bottom of grip lever, air bag far away from the one end of grip lever and L shape connecting rod fixed connection, the utility model discloses a handheld part, the handheld part includes the grip lever, one air bag is fixedly installed in the top and bottom of grip lever, in the use process, play good shock attenuation buffer effect, effectively reduce the impact of the vibration produced when wind power fire extinguishing machine works to operator's hand, promote the holding comfort, reduce hand fatigue, the wind deflector is located handheld part front side, can effectively block strong wind, spark and sundries when fire extinguishing operation, avoid its direct action on operator's hand, improve the operation safety.

Description

Technical Field

[0001] This utility model relates to the technical field of wind-powered fire extinguishing equipment, specifically to the rear handle assembly of a wind-powered fire extinguisher. Background Technology

[0002] Wind-powered fire extinguishers are commonly used in forest fire fighting, grassland fire suppression, and other similar scenarios. They extinguish fires by using high-speed airflow to disperse flames and reduce their temperature. However, in actual use, the rear handle assembly has several problems, affecting the operator's experience and safety.

[0003] In terms of vibration reduction, existing wind-powered fire extinguishers generate strong vibrations during operation, with the rear handle directly transmitting these vibrations to the operator's hands. Prolonged use can easily lead to hand fatigue, numbness, and even vibration-related illnesses, reducing firefighting efficiency and affecting the operator's health. Currently common vibration reduction structures are simple in design and have limited vibration reduction effects, failing to effectively mitigate the impact of high-frequency vibrations.

[0004] In terms of protective performance, the environment at firefighting sites is complex, and strong winds can easily carry sparks and debris that can fly onto the operator's hands, causing burns, cuts, and other injuries. Traditional rear handle components lack effective protective structures, or the protective parts are not securely fixed or have insufficient area, making it difficult to provide comprehensive protection for the operator's hands.

[0005] In light of this, we propose a rear handle assembly for wind-powered fire extinguishers. Utility Model Content

[0006] To overcome the above deficiencies, this utility model provides a rear handle assembly for a wind-powered fire extinguisher.

[0007] The technical solution of this utility model is:

[0008] The rear handle assembly of the wind-powered fire extinguisher includes two symmetrically arranged L-shaped connecting rods. A handheld part is installed between the two L-shaped connecting rods. The handheld part includes a grip, with an airbag fixedly installed at the top and bottom of the grip. The end of the airbag away from the grip is fixedly connected to the L-shaped connecting rod. A hinge seat is hinged to the end of the L-shaped connecting rod away from the airbag, and a fixing plate is fixedly connected to the hinge seat. The fixing plate has several fixing bolts, which are fixedly connected to the rear outer wall of the fire extinguisher. A wind deflector is fixedly connected between the two L-shaped connecting rods, and the wind deflector is located on the front side of the handheld part. The airbags installed at the top and bottom of the grip provide good shock absorption and cushioning during use, effectively reducing the impact of vibration generated during the operation of the wind-powered fire extinguisher on the operator's hand, improving grip comfort, and reducing hand fatigue. The wind deflector, located on the front side of the handheld part, effectively blocks strong winds, sparks, and debris during fire extinguishing operations, preventing them from directly impacting the operator's hand and improving operational safety.

[0009] As a preferred technical solution, the top and bottom of the grip bar are provided with mounting grooves for installing the airbag, which makes the airbag installation more precise and stable, ensuring the stable performance of the airbag's shock absorption and cushioning function. The length of the grip bar is less than the distance between the two L-shaped connecting rods, so that a certain amount of space is formed on both sides of the hand. An anti-slip pad is fixedly installed on the outer wall of the grip bar to increase the anti-slip between the hand and the grip bar.

[0010] As a preferred technical solution, a telescopic rod is slidably installed inside the L-shaped connecting rod, and a connector is fixed to the end of the telescopic rod. The connector is hinged to the hinge seat via a hinge pin. The slidable telescopic rod inside the L-shaped connecting rod allows for adjustment of the overall length and position of the rear handle assembly, increasing convenience during use.

[0011] As a preferred technical solution, the L-shaped connecting rod has an insertion hole for connecting with the telescopic rod, and the outer wall of the telescopic rod has several limiting grooves. A limiting block is integrally formed on the inner wall of the insertion hole, which slides in connection with the limiting grooves. The limiting block and limiting grooves increase the stability of the connection between the telescopic rod and the L-shaped connecting rod.

[0012] As a preferred technical solution, the length of the limiting groove is less than the length of the telescopic rod, and both ends of the limiting groove are closed. This prevents the telescopic rod from excessively extending or retracting and disengaging from the L-shaped connecting rod, ensuring the safety and reliability of the telescopic rod during adjustment.

[0013] As a preferred technical solution, the windbreak includes a vertical plate located in the middle, with its top and bottom fixedly connected to two L-shaped connecting rods, forming a basic windbreak structural frame and enhancing the overall strength and stability of the windbreak.

[0014] As a preferred technical solution, two inwardly folding flaps are symmetrically hinged on the vertical plate, and the wind deflector is arc-shaped. This allows the wind deflector to be folded away when not in use, reducing the space occupied by the rear handle assembly and facilitating the storage and transportation of the wind-powered fire extinguisher. When firefighting operations are required, the flaps are unfolded, making the wind deflector arc-shaped, which can more effectively change the airflow direction, expand the wind deflection range, enhance the protection of the operator's hands, and improve the practicality and flexibility of the wind deflector in different usage scenarios.

[0015] As a preferred technical solution, a limiting plate is integrally formed on the outer wall of the vertical plate, and when the folding plate is unfolded, its outer wall is tightly fitted with the inner wall of the limiting plate. The limiting plate on the outer wall of the vertical plate is tightly fitted with the unfolded folding plate, which can limit the folding plate and restrict its maximum unfolding angle.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This invention features airbags installed at the top and bottom of the handle, which provide excellent shock absorption and cushioning during use. This effectively reduces the impact of vibrations generated during the operation of the wind-powered fire extinguisher on the operator's hands, improves grip comfort, and reduces hand fatigue. The wind deflector located on the front of the handpiece effectively blocks strong winds, sparks, and debris during firefighting operations, preventing them from directly impacting the operator's hands and improving operational safety. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the windbreak plate in this utility model;

[0020] Figure 3 This is a schematic diagram of the L-shaped connecting rod and the telescopic rod in this utility model;

[0021] Figure 4 This is a schematic diagram of the handheld part in this utility model;

[0022] The meanings of the labels in the diagram are as follows:

[0023] 1. L-shaped connecting rod; 10. Insertion hole; 11. Limiting block; 2. Hand handle; 20. Grip bar; 21. Anti-slip pad; 22. Airbag; 23. Mounting groove; 3. Wind deflector; 30. Vertical plate; 31. Folding plate; 32. Limiting plate; 4. Telescopic rod; 40. Limiting slide groove; 5. Connector; 6. Hinge shaft; 7. Hinge seat; 8. Fixing plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please refer to the accompanying drawings. This utility model provides a technical solution:

[0026] like Figure 1As shown, the rear handle assembly of the wind-powered fire extinguisher includes two symmetrically arranged L-shaped connecting rods 1. A handhold 2 is installed between the two L-shaped connecting rods 1. The handhold 2 includes a grip 20. An airbag 22 is fixedly installed at the top and bottom of the grip 20. The end of the airbag 22 away from the grip 20 is fixedly connected to the L-shaped connecting rod 1. A hinge seat 7 is hinged to the end of the L-shaped connecting rod 1 away from the airbag 22. A fixing plate 8 is fixedly connected to the hinge seat 7. The fixing plate 8 is provided with several fixing bolts, which are fixedly connected to the rear outer wall of the fire extinguisher. A wind deflector 3 is fixedly connected between the two L-shaped connecting rods 1. The wind deflector 3 is located on the front side of the handhold 2. The airbags 22 installed at the top and bottom of the handle 20 provide good shock absorption and cushioning during use, effectively reducing the impact of vibration generated by the wind-powered fire extinguisher on the operator's hands, improving grip comfort and reducing hand fatigue; the wind deflector 3 is located on the front side of the handpiece 2, which can effectively block strong winds, sparks and debris during fire extinguishing operations, preventing them from directly affecting the operator's hands and improving operational safety.

[0027] like Figure 4 As shown, in this preferred embodiment, the top and bottom of the grip 20 are provided with mounting grooves 23 for installing the airbag 22, which makes the installation of the airbag 22 more precise and stable, and ensures the stable performance of the shock absorption and buffering function of the airbag 22. The length of the grip 20 is less than the distance between the two L-shaped connecting rods 1, so that a certain amount of space is formed on both sides of the hand part 2. An anti-slip pad 21 is fixedly installed on the outer wall of the grip 20 to increase the anti-slip between the hand and the grip 20.

[0028] like Figure 3 As shown, in a preferred embodiment, a telescopic rod 4 is slidably installed inside the L-shaped connecting rod 1. A connector 5 is fixed to the end of the telescopic rod 4, and the connector 5 is hinged to the hinge seat 7 via a hinge pin 6. The L-shaped connecting rod 1 is provided with a slidable telescopic rod 4. By adjusting the extension and retraction of the telescopic rod 4, the overall length and position of the rear handle assembly can be changed, increasing the convenience during use.

[0029] like Figure 3 As shown, in a preferred embodiment, the L-shaped connecting rod 1 has an insertion hole 10 for connecting with the telescopic rod 4, and the outer wall of the telescopic rod 4 has several limiting grooves 40. A limiting block 11, which is slidably connected to the limiting grooves 40, is integrally formed on the inner wall of the insertion hole 10. The limiting block 11 and the limiting grooves 40 increase the stability of the connection between the telescopic rod 4 and the L-shaped connecting rod 1.

[0030] like Figure 4 As shown, in this preferred embodiment, the length of the limiting groove 40 is less than the length of the telescopic rod 4, and both ends of the limiting groove 40 are closed. This prevents the telescopic rod 4 from excessively extending or retracting and disengaging from the L-shaped connecting rod 1, ensuring the safety and reliability of the telescopic rod 4 during the adjustment process.

[0031] like Figure 2 As shown, in a preferred embodiment, the windbreak 3 includes a vertical plate 30 located in the middle, with its top and bottom fixedly connected to two L-shaped connecting rods 1, respectively. This fixed connection forms a basic windbreak structural frame, enhancing the overall strength and stability of the windbreak 3.

[0032] like Figure 2 As shown in the preferred embodiment, two inwardly folding flaps 31 are symmetrically hinged on the vertical plate 30, and the wind deflector 3 is arc-shaped. This allows the wind deflector 3 to be folded away when not in use, reducing the space occupied by the rear handle assembly and facilitating the storage and transportation of the wind-powered fire extinguisher. When firefighting operations are required, the flaps 31 are unfolded, making the wind deflector 3 arc-shaped, which can more effectively change the airflow direction, expand the wind deflection range, enhance the protection of the operator's hands, and improve the practicality and flexibility of the wind deflector 3 in different usage scenarios.

[0033] like Figure 2 As shown, in a preferred embodiment, a limiting plate 32 is integrally formed on the outer wall of the vertical plate 30. When the folding plate 31 is unfolded, its outer wall is tightly fitted with the inner wall of the limiting plate 32. The limiting plate 32 on the outer wall of the vertical plate 30 is tightly fitted with the unfolded folding plate 31, which can limit the folding plate 31 and restrict its maximum unfolding angle.

[0034] In use, the rear handle assembly of this utility model of a wind-powered fire extinguisher has airbags 22 installed at the top and bottom of the handle 20 in the mounting groove 23. One end is connected to the handle 20, and the other end is fixed to the L-shaped connecting rod 1. When the fire extinguisher vibrates, the gas in the airbag 22 is compressed and deformed, absorbing and dispersing the vibration energy. The remaining space on both sides of the handle 20 further buffers the impact. The two L-shaped connecting rods 1 are also buffered by linkage through the airbags 22. In the basic windproof structure, the vertical plate 30 is fixed between the L-shaped connecting rods 1 to block strong winds. During operation, the arc-shaped folding plate 31 is unfolded to expand the windproof area and change the airflow direction. The limiting plate 32 on the vertical plate 30 limits the maximum unfolding angle of the folding plate 31. The operator can also stretch or retract the telescopic rod 4 along the L-shaped connecting rod 1 through the limiting block 11 and the limiting slide groove 40 to change the overall length of the assembly. At the same time, the two ends of the limiting slide groove 40 are closed to prevent the telescopic rod 4 from detaching. Before use, unfold the folding plate 31 and adjust the telescopic rod 4. During operation, the airbag 22 provides shock absorption, the wind deflector 3 provides protection, and the L-shaped connecting rod 1 has an articulated design to enhance flexibility. After use, fold the folding plate 31 and retract the telescopic rod 4 for easy storage and transportation. The multiple designs optimize the components in terms of comfort, safety, and flexibility.

[0035] It should be added that a rubber pad is provided at the hinge point between the folding plate 31 and the vertical plate 30 to increase the damping of the folding plate 31 after it is opened.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A rear handle assembly for a wind-powered fire extinguisher, characterized in that: The device includes two symmetrically arranged L-shaped connecting rods (1), with a handheld part (2) installed between the two L-shaped connecting rods (1). The handheld part (2) includes a grip (20), with an airbag (22) fixedly installed at the top and bottom of the grip (20). The end of the airbag (22) away from the grip (20) is fixedly connected to the L-shaped connecting rod (1). The end of the L-shaped connecting rod (1) away from the airbag (22) is hinged to a hinge seat (7). A fixing plate (8) is fixedly connected to the hinge seat (7). Several fixing bolts are provided on the fixing plate (8), and the fixing bolts are fixedly connected to the rear outer wall of the fire extinguisher. A wind deflector (3) is fixedly connected between the two L-shaped connecting rods (1), and the wind deflector (3) is located on the front side of the handheld part (2).

2. The rear handle assembly of the wind-powered fire extinguisher as described in claim 1, characterized in that: The top and bottom of the grip (20) are provided with mounting grooves (23) for mounting the airbag (22). The length of the grip (20) is less than the distance between the two L-shaped connecting rods (1). An anti-slip pad (21) is fixedly installed on the outer wall of the grip (20).

3. The rear handle assembly of the wind-powered fire extinguisher as described in claim 2, characterized in that: A telescopic rod (4) is slidably installed inside the L-shaped connecting rod (1). A connector (5) is fixed at the end of the telescopic rod (4). The connector (5) is hinged to the hinge seat (7) through a hinge shaft (6).

4. The rear handle assembly of the wind-powered fire extinguisher as described in claim 3, characterized in that: The L-shaped connecting rod (1) is provided with a socket (10) for insertion and connection with the telescopic rod (4). The outer wall of the telescopic rod (4) is provided with a plurality of limiting grooves (40). The inner wall of the socket (10) is integrally formed with a limiting block (11) that is slidably connected to the limiting grooves (40).

5. The rear handle assembly of the wind-powered fire extinguisher as described in claim 4, characterized in that: The length of the limiting slide (40) is less than the length of the telescopic rod (4), and the two ends of the limiting slide (40) are closed.

6. The rear handle assembly of the wind-powered fire extinguisher as described in claim 5, characterized in that: The wind deflector (3) includes a vertical plate (30) located in the middle, with the top and bottom of the vertical plate (30) respectively fixedly connected to two L-shaped connecting rods (1).

7. The rear handle assembly of the wind-powered fire extinguisher as described in claim 6, characterized in that: Two inwardly folding plates (31) are symmetrically hinged on the vertical plate (30), and the wind deflector (3) is arc-shaped.

8. The rear handle assembly of the wind-powered fire extinguisher as described in claim 7, characterized in that: A limiting plate (32) is integrally formed on the outer wall of the vertical plate (30), and when the folding plate (31) is unfolded, its outer wall is tightly fitted with the inner wall of the limiting plate (32).

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