Air foam fire gun convenient to fix

Abstract

The utility model relates to the technical field of fire-fighting tools, in particular to an air foam fire-fighting gun convenient to fix. The air foam fire gun convenient to fix comprises a gun body, an upper handle wheel is fixedly installed on an upper pipe body of the gun body, a side handrail wheel is fixedly installed on a side pipe body of the gun body, and an arc-shaped waist clamping plate and a fixing assembly used for installing the arc-shaped waist clamping plate are further installed on the side handrail wheel. According to the air foam fire-fighting gun convenient to fix, the arc-shaped waist clamping plate is additionally arranged, so that the waist of a firefighter can provide control force, and the hidden danger that the firefighter cannot stably control the air foam fire-fighting gun due to the recoil force of the air foam fire-fighting gun when the air foam fire-fighting gun is used is reduced; elastic inwards-bent plastic plates arranged at the two ends of the arc-shaped waist clamping plate can effectively conduct elastic clamping connection on the front side and the rear side of the waist of the firefighter, the comfort degree of the arc-shaped waist clamping plate clamped on the firefighter is improved through an arranged elastic air bag, and tightening marks caused to the waist of the firefighter are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting tools, in particular to an air foam fire-fighting gun which is easy to fix. Background Art

[0002] The air foam fire extinguishing gun is mainly composed of the gun barrel, hand wheel, gun body, ball valve, pipe thread interface or center island joint, etc. These components work together to enable the air foam fire extinguishing gun to generate and spray air foam to effectively extinguish fires;

[0003] At present, the air foam fire fighting gun is mainly used by firefighters by lifting the hand wheel with their left hand, bending their right hand to hold the gun body and clamping the gun body with their lower armpit. The right hand is prone to spasm when maintaining this posture for a long time. Sometimes, the air foam fire fighting gun will produce recoil due to the influence of the amount of foam sprayed and the spraying pressure, making it unstable when used by firefighters.

[0004] Therefore, it is necessary to provide a new air foam fire fighting gun that is convenient to fix to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an air foam fire fighting gun which is easy to fix.

[0006] The utility model provides an air foam fire extinguishing gun that is easy to fix. The gun body comprises a gun barrel and a pipe thread interface, which are fixedly mounted on both ends of the gun body. A ball valve is fixedly mounted on the gun body.

[0007] The upper tube of the gun body is fixedly mounted with an upper hand wheel, and the side tube of the gun body is fixedly mounted with a side hand wheel, and the side hand wheel is also mounted with an arc-shaped waist plate and a fixing assembly for mounting the arc-shaped waist plate;

[0008] The middle plate section of the arc-shaped waist plate is installed with a fixedly connected rotating shaft, and the other end of the rotating shaft is rotatably connected to the plug-in seat, and the plug-in seat is fixedly installed with plug-in plates symmetrically distributed up and down, and coaxially arranged positioning holes are opened on the two plug-in plates;

[0009] The fixing assembly includes a fixed arc plate, and the upper and lower ends of the fixed arc plate are fixedly installed with mounting seats, and the mounting seat is provided with an insertion cavity, and the mounting seat is provided with a threaded hole that is perpendicular to the insertion cavity and connected to each other, and a threaded fastening screw is inserted into the threaded hole.

[0010] Preferably, the fixed arc plate is fixedly mounted on the gun body tube wall on the same side as the side handrail wheel, and the two mounting seats on the fixed arc plate are fixedly engaged with the tube walls on the upper and lower sides of the gun body respectively, and the insertion cavity opened on the mounting seat is arranged back to back with the side handrail wheel.

[0011] Preferably, the two insertion plates on the insertion seat are respectively inserted into the insertion cavities opened in the two mounting seats, and the fastening screws on the mounting seat pass through the positioning holes opened in the insertion plates.

[0012] Preferably, both end heads of the arc-shaped waist plate are fixedly connected with elastic inward-curved plastic plates.

[0013] Preferably, elastic airbags are fixedly mounted on the inner plate wall of the arc-shaped waist plate and the elastic inner curved plastic plate.

[0014] Preferably, a damping rubber sleeve is provided on the connecting end of the rotating shaft and the inserting seat.

[0015] Compared with the related art, the air foam fire gun provided by the utility model that is easy to fix has the following beneficial effects:

[0016] The utility model adds an arc-shaped waist clamping plate, which can also provide control force for the firefighter's waist, thereby reducing the hidden danger of the firefighter's unstable control caused by the recoil of the air foam fire gun when in use, and greatly improves the stability of the firefighter's control when the air foam fire gun is in use. The elastic inward-curved plastic plates arranged at both ends of the arc-shaped waist clamping plate can effectively elastically clamp the front and back sides of the firefighter's waist. The elastic airbag increases the comfort of the arc-shaped waist clamping plate on the firefighter, avoiding marks on the firefighter's waist. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of the air foam fire extinguishing gun that is easy to fix provided by the utility model;

[0018] Figure 2 for Figure 1 The structural diagram of the gun body shown;

[0019] Figure 3 for Figure 1 The structural diagram of the arc-shaped waist plate shown;

[0020] Figure 4 for Figure 1 Schematic diagram of the cross-sectional structure of the fixing component shown.

[0021] Numbers in the figure: 1. Gun body; 11. Gun barrel; 12. Pipe thread interface; 13. Ball valve; 2. Lifting hand wheel; 3. Side hand wheel; 4. Arc waist plate; 41. Elastic inner curved plastic plate; 42. Elastic air bag; 43. Rotating shaft; 44. Insertion seat; 45. Insertion plate; 45a. Positioning hole; 5. Fixing assembly; 51. Fixed arc plate; 52. Mounting seat; 52a. Insertion cavity; 52b. Threaded hole; 53. Fastening screw. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0024] See also Figures 1 to 4 The embodiment of the utility model provides an air foam fire extinguishing gun that is easy to fix. The air foam fire extinguishing gun that is easy to fix includes a gun body 1, and a gun barrel 11 and a pipe thread interface 12 are fixedly installed at both ends of the gun body 1, and a ball valve 13 is fixedly installed on the gun body 1, which is quickly connected to the connecting pipe head of the fire hose through the pipe thread interface 12.

[0025] In the embodiments of the present invention, please refer to Figures 1 to 4 The upper tube of the gun body 1 is fixedly mounted with an upper hand wheel 2, and the side tube of the gun body 1 is fixedly mounted with a side hand wheel 3, and the side hand wheel 3 is also mounted with an arc-shaped waist plate 4 and a fixing assembly 5 for mounting the arc-shaped waist plate 4, specifically:

[0026] The middle plate section of the arc-shaped waist plate 4 is installed with a fixedly connected rotating shaft 43, and the other end of the rotating shaft 43 is rotatably connected to the plug-in seat 44, and the connecting end of the rotating shaft 43 and the plug-in seat 44 is provided with a damping rubber sleeve, and the plug-in seat 44 is fixedly installed with plug-in plates 45 symmetrically distributed up and down, and the two plug-in plates 45 are provided with coaxially arranged positioning holes 45a, and the fixing component 5 includes a fixed arc plate 51, and the upper and lower ends of the fixed arc plate 51 are fixedly installed with a mounting seat 52, and the mounting seat 52 is provided with an inserting cavity 52a, and the mounting seat 52 is provided with a vertical insertion cavity 52a. The threaded holes 52b are arranged and connected to each other, and a threaded fastening screw 53 is inserted into the threaded hole 52b, and the fixed arc plate 51 is fixedly installed on the tube wall of the gun body 1 on the same side as the side handrail wheel 3, and the two mounting seats 52 on the fixed arc plate 51 are respectively fixedly engaged on the tube walls on the upper and lower sides of the gun body 1, and the insertion cavity 52a opened on the mounting seat 52 is arranged back to back to the side handrail wheel 3, and the two insertion plates 45 on the insertion seat 44 are respectively inserted into the insertion cavities 52a opened in the two mounting seats 52, and the fastening screw 53 on the mounting seat 52 passes through the positioning hole 45a opened in the insertion plate 45.

[0027] It should be noted that when using the air foam fire extinguishing gun for fire fighting, after quickly docking with the connecting pipe head of the fire hose through the pipe thread interface 12, the two insertion plates 45 on the side insertion seats 44 of the arc-shaped waist plate 4 are respectively inserted into the insertion cavities 52a opened by the two mounting seats 52, and the fastening screws 53 are immediately and quickly screwed in so that the fastening screws 53 pass through the positioning holes 45a opened by the insertion plates 45, thereby completing the installation of the arc-shaped waist plate 4 on the air foam fire extinguishing gun;

[0028] After installation, the firefighter clamps the curved waist plate 4 to the right waist, holds the upper handle wheel 2 with the left hand, and holds the side handle wheel 3 with the right hand, so that the staff can firmly control the air foam fire fighting gun. Since the curved waist plate 4 is added, the firefighter's waist can also provide control force, thereby reducing the hidden danger of the firefighter's unstable control caused by the recoil of the air foam fire fighting gun when in use, and greatly improving the stability of the firefighter's control when using the air foam fire fighting gun;

[0029] Since the arc-shaped waist plate 4 is rotatably connected to the insertion seat 44 via the rotating shaft 43, and the connecting end of the rotating shaft 43 and the insertion seat 44 is covered with a damping rubber sleeve, the firefighter can adjust the spray direction of the gun barrel 11 without affecting the arc-shaped waist plate 4 being fixed on the waist.

[0030] When the firefighting is completed, loosen the fastening screws 53 in the two mounting seats 52, so that the fastening screws 53 slide out from the positioning holes 45a opened in the insertion plate 45, and then slide the insertion plate 45 outward along the mounting seat 52 to complete the installation of the arc waist plate 4 on the gun body 1. The operation is simple and convenient.

[0031] In the embodiments of the present invention, please refer to Figure 1 and Figure 3 The ends of the arc waist plate 4 are fixedly connected with elastic inner curved plastic plates 41, and the inner plate walls of the arc waist plate 4 and the elastic inner curved plastic plates 41 are fixedly installed with elastic air bags 42.

[0032] It should be noted that the elastic inward-curved plastic plates 41 provided at both ends of the arc-shaped waist clamping plate 4 can effectively elastically clamp the front and back sides of the firefighter's waist, and the elastic airbags 42 provided improve the comfort of the arc-shaped waist clamping plate 4 on the firefighter, avoiding marks on the firefighter's waist.

[0033] The working principle of the air foam fire extinguishing gun provided by the utility model which is easy to fix is ​​as follows:

[0034] When using the air foam fire extinguisher for fire extinguishing, after quickly docking with the connecting pipe head of the fire hose through the pipe thread interface 12, the two plug-in plates 45 on the side plug-in seats 44 of the arc-shaped waist card plate 4 are respectively inserted into the plug-in cavities 52a opened by the two mounting seats 52, and the fastening screws 53 are immediately and quickly screwed in so that the fastening screws 53 pass through the positioning holes 45a opened by the plug-in plates 45, thereby completing the installation of the arc-shaped waist card plate 4 on the air foam fire extinguisher; after installation, the firefighter clamps the arc-shaped waist card plate 4 to the right waist, holds the upper hand wheel 2 with his left hand, and holds the side handrail wheel 3 with his right hand, so that the staff can firmly control the air foam fire extinguisher. Due to the addition of the arc-shaped waist card plate 4, the firefighter's waist can also provide control force, thereby reducing the hidden danger of the firefighter's unstable control caused by its recoil when using the air foam fire extinguisher, and greatly improving the stability of the firefighter's control when using the air foam fire extinguisher;

[0035] Since the arc-shaped waist clamping plate 4 is rotatably connected to the insertion seat 44 via the rotating shaft 43, and the connecting end of the rotating shaft 43 and the insertion seat 44 is sleeved with a damping rubber sleeve, the firefighter can adjust the spray direction of the gun barrel 11 without affecting the clamping of the arc-shaped waist clamping plate 4 around the waist. The elastic inner curved plastic plates 41 provided at both ends of the arc-shaped waist clamping plate 4 can effectively elastically clamp the front and back sides of the firefighter's waist. The elastic airbag 42 provided improves the comfort of the arc-shaped waist clamping plate 4 on the firefighter, avoiding causing strangulation marks on the firefighter's waist.

[0036] When the firefighting is completed, loosen the fastening screws 53 in the two mounting seats 52, so that the fastening screws 53 slide out from the positioning holes 45a opened in the insertion plate 45, and then slide the insertion plate 45 outward along the mounting seat 52 to complete the installation of the arc waist plate 4 on the gun body 1. The operation is simple and convenient.

[0037] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An air foam fire extinguishing gun that is easy to fix, comprising a gun body (1), a gun barrel (11) and a pipe thread interface (12) being fixedly mounted on both ends of the gun body (1), and a ball valve (13) being fixedly mounted on the gun body (1), characterized in that: An upper lifting hand wheel (2) is fixedly mounted on the upper tube of the gun body (1), and a side hand wheel (3) is fixedly mounted on the side tube of the gun body (1), and an arc-shaped waist plate (4) and a fixing assembly (5) for mounting the arc-shaped waist plate (4) are also mounted on the side hand wheel (3); The middle plate section of the arc-shaped waist plate (4) is installed with a fixedly connected rotating shaft (43), and the other end of the rotating shaft (43) is rotatably connected to an inserting seat (44), and the inserting seat (44) is fixedly installed with inserting plates (45) symmetrically distributed up and down, and two of the inserting plates (45) are provided with coaxially arranged positioning holes (45a); The fixing assembly (5) comprises a fixing arc plate (51), wherein the upper and lower ends of the fixing arc plate (51) are fixedly mounted with a mounting seat (52), and the mounting seat (52) is provided with an insertion cavity (52a), and the mounting seat (52) is provided with a threaded hole (52b) which is arranged perpendicular to the insertion cavity (52a) and communicates with each other, and a threaded fastening screw (53) is inserted into the threaded hole (52b).

2. The air foam fire extinguishing gun that is easy to fix according to claim 1, characterized in that: The fixed arc plate (51) is fixedly mounted on the tube wall of the gun body (1) on the same side as the side handrail wheel (3), and the two mounting seats (52) on the fixed arc plate (51) are fixedly engaged with the tube walls on the upper and lower sides of the gun body (1), respectively, and the insertion cavity (52a) provided on the mounting seat (52) is arranged opposite to the side handrail wheel (3).

3. The air foam fire extinguishing gun that is easy to fix according to claim 2, characterized in that: The two insertion plates (45) on the insertion seat (44) are respectively inserted into the insertion cavities (52a) opened by the two mounting seats (52), and the fastening screws (53) on the mounting seats (52) pass through the positioning holes (45a) opened by the insertion plates (45).

4. The air foam fire extinguishing gun that is easy to fix according to claim 1, characterized in that: Both end heads of the arc-shaped waist plate (4) are fixedly connected with elastic inner curved plastic plates (41).

5. The air foam fire extinguishing gun that is easy to fix according to claim 4 is characterized in that: The inner plate wall of the arc-shaped waist plate (4) and the elastic inner curved plastic plate (41) are both fixedly mounted with elastic air bags (42).

6. The air foam fire extinguishing gun that is easy to fix according to claim 1, characterized in that: The connecting end between the rotating shaft (43) and the inserting seat (44) is sleeved with a damping rubber sleeve.

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