Backpack type high-pressure water mist fire extinguisher

Abstract

The utility model provides a backpack type high-pressure water mist fire extinguisher, which belongs to the technical field of rescue and relief work, and comprises a backpack frame, a machine body, a water bag, a spray gun and a connecting pipe, the backpack frame is provided with a backpack surface, and the backpack surface is provided with vent holes; a containing cavity and a mounting cavity are formed in the bearing frame, the water bag is placed in the containing cavity, and the machine body is mounted in the mounting cavity; a first mounting opening communicated with the accommodating cavity is formed in the upper side of the bearing frame; a second mounting opening communicated with the mounting cavity is formed in one side, far away from the bearing surface, of the bearing frame; a water inlet and a water outlet are respectively formed in two side surfaces of the bearing frame; the machine body is connected with the water bag through a connecting pipe penetrating through the water inlet, and the machine body is connected with the spray gun through a connecting pipe penetrating through the water outlet. According to the backpack type high-pressure water mist fire extinguisher provided by the utility model, the use comfort of a worker using the backpack type high-pressure water mist fire extinguisher is improved, and the water bag, the machine body and the like can be conveniently operated.

Description

Technical Field

[0001] The utility model belongs to the technical field of emergency rescue and disaster relief, and more specifically, relates to a backpack type high-pressure fine water mist fire extinguisher. Background Art

[0002] When a fire breaks out, fire extinguishers need to be used by staff for fire extinguishing operations. Currently, when a single staff member selects a fire extinguisher, a backpack type fire extinguisher is often used. And the backpack type fire extinguisher has a body that can generate high-pressure fine water mist, and a spray gun is used to extinguish the fire in the fire area. In the existing backpack type fire extinguishers, the installation of each component is relatively chaotic, resulting in inconvenient operations such as installation, control, and subsequent disassembly; at the same time, the comfort level during the backpacking process of the backpack type fire extinguisher is relatively poor. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a backpack type high-pressure fine water mist fire extinguisher, so as to solve the technical problems existing in the existing backpack type fire extinguishers, such as inconvenient installation, control, and subsequent disassembly operations, and relatively poor comfort level during the backpacking process.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: providing a backpack type high-pressure fine water mist fire extinguisher, which includes a backpack frame, a body, a water bag, a spray gun, and a connecting pipe. The backpack frame has a back surface adapted to the human back, and a plurality of ventilation holes are provided on the back surface; a receiving cavity and an installation cavity are arranged at intervals up and down on the backpack frame. The receiving cavity is a stepped structure and the side close to the back surface is lower than the side far from the back surface; the water bag is placed in the receiving cavity, and the body is installed in the installation cavity; a first installation port communicating with the receiving cavity is provided on the upper side of the backpack frame, and a second installation port communicating with the installation cavity is provided on the side of the backpack frame far from the back surface; a water inlet and a water outlet communicating with the installation cavity are respectively provided on both side surfaces of the backpack frame; the body is connected to the water bag through the connecting pipe passing through the water inlet, and the body is connected to the spray gun through the connecting pipe passing through the water outlet.

[0005] In a possible implementation, the backrest frame includes two rectangular frames, two side plates, a bottom plate, a bearing plate, a connecting rod and a abutment plate; the two rectangular frames are arranged in parallel at intervals, and the connecting rod is fixedly installed between the two rectangular frames; the two side plates are respectively installed on the two rectangular frames, and the water inlet and the water outlet are respectively opened on the two side plates; the bottom plate is installed between the two rectangular frames and is fixedly connected to the lower ends of the two rectangular frames, the bearing plate is of a bent structure and is installed between the two rectangular frames, the bearing plate is located above the bottom plate and is fixedly connected to the two rectangular frames; an installation cavity is located between the bottom plate and the bearing plate, and an accommodation cavity is above the bearing plate; the abutment plate is installed between the two rectangular frames and is fixedly connected to one side of the two rectangular frames, and the abutment plate and the side surfaces of the two rectangular frames form the back side; the ventilation hole is opened on the abutment plate.

[0006] In a possible implementation, the abutment plate is a long strip plate and the number thereof is multiple, and the multiple abutment plates are arranged at intervals up and down and are located on the same plane.

[0007] In a possible implementation, the abutment plate located at the lower part corresponds to the installation cavity and is used for blocking the installation cavity; a heat insulation layer is provided on the side of the abutment plate away from the back side.

[0008] In a possible implementation, the abutment plate is an arc-shaped plate that is concave towards the accommodation cavity and the installation cavity.

[0009] In a possible implementation, the bearing plate is lower than the upper end of the rectangular frame, and baffles for surrounding the accommodation cavity are provided on the sides of the two rectangular frames away from the back side, and the baffles are fixedly connected to the connecting rod, the two rectangular frames and the bearing plate.

[0010] In a possible implementation, extension rods extending upward are provided on the sides of the two rectangular frames close to the back side, and a cross bar fixedly installed at the upper ends of the two extension rods is used for corresponding to the human head.

[0011] In a possible implementation, a support structure is further provided on the backrest frame on one side of the back side, and the support structure has an installation groove for installing the spray gun.

[0012] In a possible implementation, the support structure includes a mounting plate, a damping shaft, and a support block. The mounting plate is arranged vertically and fixedly installed on the backpack frame, and the mounting plate is perpendicular to the back surface. A connection hole is provided on the side of the mounting plate away from the backpack frame. The damping shaft is fitted into the connection hole, and one end of the damping shaft is located outside the mounting plate. The support block is fixedly installed on the damping shaft, and the mounting groove is provided on the support block and penetrates through the support block.

[0013] In a possible implementation, the number of the support structures is multiple and they are arranged at intervals up and down. The support structure includes a mounting plate and a support block. The mounting plate is arranged vertically and fixedly installed on the backpack frame, and the mounting plate is perpendicular to the back surface. The support block is fixedly installed on the mounting plate, and the mounting groove is provided on the support block. The angles between the multiple mounting grooves arranged from top to bottom and the horizontal plane gradually increase or decrease.

[0014] The beneficial effects of the backpack-type high-pressure fine water mist fire extinguisher provided by the present utility model are as follows: Compared with the prior art, when the backpack-type high-pressure fine water mist fire extinguisher of the present utility model is in use, first, the water bag and the machine body are respectively installed in the accommodation cavity and the installation cavity on the backpack frame through the first installation port and the second installation port, and the connection pipe is passed through the water inlet and the water outlet to connect and communicate the machine body with the water bag and the machine body with the spray gun. The staff carries the backpack frame on the back, and the back of the staff fits on the back surface, and ventilation is achieved through a number of ventilation holes, so the comfort level is relatively high. And the staff can conveniently and quickly replace the water bag through the first installation port, operate, disassemble, and maintain the machine body through the second installation port, etc. In this way, the use comfort of the staff using the backpack-type high-pressure fine water mist fire extinguisher is improved, and the water bag, the machine body, etc. can be conveniently operated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is the front view of the backpack-type high-pressure fine water mist fire extinguisher provided by the embodiment of the present utility model;

[0017] Figure 2 It is the top view of the backpack-type high-pressure fine water mist fire extinguisher provided by the embodiment of the present utility model;

[0018] Figure 3 Left view of the backpack - type high - pressure fine water mist fire extinguisher provided by the embodiment of the present utility model;

[0019] Figure 4 Right view of the backpack - type high - pressure fine water mist fire extinguisher provided by the embodiment of the present utility model;

[0020] Figure 5 Rear view of the backpack - type high - pressure fine water mist fire extinguisher provided by the embodiment of the present utility model;

[0021] Figure 6 Front view of the backpack - type high - pressure fine water mist fire extinguisher with a support structure provided by the embodiment of the present utility model;

[0022] Figure 7 Rear view of the backpack - type high - pressure fine water mist fire extinguisher with a support structure provided by the embodiment of the present utility model;

[0023] Figure 8 Schematic diagram of the structure of the support structure provided by the embodiment of the present utility model Figure 1 ;

[0024] Figure 9 Schematic diagram of the structure of the support structure provided by the embodiment of the present utility model Figure 2 。

[0025] Among them, each reference numeral in the figure:

[0026] 1, backpack frame; 11, back surface; 12, ventilation hole; 13, accommodation cavity; 14, installation cavity; 15, first installation port; 16, second installation port; 17, water inlet; 18, water outlet; 19, rectangular frame; 20, side plate; 21, bottom plate; 22, bearing plate; 23, connecting rod; 24, abutting plate; 25, enclosing baffle; 26, extension rod; 27, cross bar; 28, support structure; 29, mounting plate; 30, damping shaft; 31, support block; 32, installation groove; 33, snap ring; 34, reinforcing rod. Detailed implementation manners

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the following further details the present utility model 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 utility model and are not used to limit the present utility model.

[0028] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0031] Please refer to Figures 1 to 5 , and now the backpack-type high-pressure fine water mist fire extinguisher provided by the present invention will be described. A backpack-type high-pressure fine water mist fire extinguisher includes a backpack frame 1, a machine body, a water bag, a spray gun and a connecting pipe. The backpack frame 1 has a back surface 11 adapted to the human back, and a plurality of ventilation holes 12 are provided on the back surface 11; a receiving cavity 13 and an installation cavity 14 are arranged at intervals up and down on the backpack frame 1. The receiving cavity 13 is a stepped structure and the side close to the back surface 11 is lower than the side far from the back surface 11; the water bag is placed in the receiving cavity 13, and the machine body is installed in the installation cavity 14; a first installation port 15 communicating with the receiving cavity 13 is provided on the upper side of the backpack frame 1, and a second installation port 16 communicating with the installation cavity 14 is provided on the side of the backpack frame 1 far from the back surface 11; water inlets 17 and water outlets 18 communicating with the installation cavity 14 are respectively provided on both side surfaces of the backpack frame 1; the machine body is connected to the water bag through a connecting pipe passing through the water inlet 17, and the machine body is connected to the spray gun through a connecting pipe passing through the water outlet 18.

[0032] Compared with the prior art, when the backpack-type high-pressure fine water mist fire extinguisher provided by the utility model is in use, first, a water bag and a machine body are respectively installed in a receiving cavity 13 and an installation cavity 14 on a backpack frame 1 through a first installation port 15 and a second installation port 16, and a connecting pipe is passed through a water inlet 17 and a water outlet 18 to connect and communicate the machine body with the water bag and the machine body with a spray gun; a staff member carries the backpack frame 1 on the back, and the back of the staff member is attached to a back surface 11, and ventilation of the back is achieved by means of a plurality of ventilation holes 12, so that the comfort level is relatively high; and the staff member can conveniently and quickly replace the water bag through the first installation port 15, operate, disassemble and maintain the machine body through the second installation port 16, etc.; in this way, the use comfort of the staff member using the backpack-type high-pressure fine water mist fire extinguisher is improved, and the water bag, the machine body, etc. can be conveniently operated.

[0033] The machine body includes an engine, a water pump, etc. A soft pad is provided on the back surface 11, and an opening corresponding to the ventilation hole 12 is provided on the soft pad. The spray gun includes three sections of lengthened stainless steel telescopic pipes, a high-pressure hose, a spray head, etc. Two snap rings 33 are respectively arranged at the upper and lower ends of the back surface 11. When the staff member carries the backpack frame 1 on the back, two straps are used to be installed on the upper and lower snap rings 33.

[0034] Please refer to Figures 1 to 5, as a specific embodiment of the backpack-type high-pressure fine water mist fire extinguisher provided by the present utility model, the backpack frame 1 includes two rectangular frames 19, two side plates 20, a bottom plate 21, a bearing plate 22, a connecting rod 23 and a abutting plate 24; the two rectangular frames 19 are arranged in parallel at intervals, and the connecting rod 23 is fixedly installed between the two rectangular frames 19; the two side plates 20 are respectively installed on the two rectangular frames 19, and the water inlet 17 and the water outlet 18 are respectively opened on the two side plates 20; the bottom plate 21 is installed between the two rectangular frames 19 and is fixedly connected to the lower ends of the two rectangular frames 19, the bearing plate 22 is of a bent structure and is installed between the two rectangular frames 19, the bearing plate 22 is located above the bottom plate 21 and is fixedly connected to the two rectangular frames 19; an installation cavity 14 is located between the bottom plate 21 and the bearing plate 22, and an accommodation cavity 13 is above the bearing plate 22; the abutting plate 24 is installed between the two rectangular frames 19 and is fixedly connected to one side of the two rectangular frames 19, and the abutting plate 24 and the side surfaces of the two rectangular frames 19 form a back surface 11; a ventilation hole 12 is opened on the abutting plate 24; the two rectangular frames 19, the two side plates 20 and the bottom plate 21 form the main structure of the backpack frame 1, and the connecting rod 23 is used to firmly connect the two rectangular frames 19 together; the bearing plate 22 is installed between the two rectangular frames 19 and is located above the bottom plate 21, thus, an installation cavity 14 is between the bearing plate 22 and the bottom plate 21, and the machine body is fixedly installed on the bottom plate 21; and the upper area of the bearing plate 22 is the accommodation cavity 13, and the water bag is installed on the bearing plate 22. At the same time, an abutting plate 24 is arranged on the back of the two rectangular frames 19, the side surface of the abutting plate 24 is the back surface 11, and a ventilation hole 12 is opened on the abutting plate 24. When the staff carries the backpack frame 1 on the back, the back of the staff is supported on the abutting plate 24. A reinforcing rod 34 is arranged inside the rectangular frame 19, which improves the strength and load-bearing capacity of the rectangular frame 19. The upper end of the reinforcing rod 34 is flush with the upper end of the bearing plate 22.

[0035] Please refer to Figure 3 and Figure 4 , as a specific embodiment of the backpack-type high-pressure fine water mist fire extinguisher provided by the present utility model, the abutting plate 24 is a long strip plate, and the number is multiple. The multiple abutting plates 24 are arranged at intervals up and down and are on the same plane; so that the staff can simultaneously support and lean against the multiple abutting plates 24, increasing the abutting area and providing higher comfort.

[0036] As a specific embodiment of the backpack-type high-pressure fine water mist fire extinguisher provided by the present utility model, the lower abutting plate 24 corresponds to the installation cavity 14 and is used to block the installation cavity 14; a heat insulation layer is arranged on the side of the abutting plate 24 away from the back surface 11; since a large amount of heat will be generated during the working process of the machine body, in order to reduce the influence of the heat on the staff, the abutting plate 24 is used to block the back surface 11 and the installation cavity 14, and a heat insulation layer is arranged on the abutting plate 24 so that the heat will not be transmitted to the staff.

[0037] Please refer to Figures 1 to 4 , as a specific embodiment of the backpack - type high - pressure fine water mist fire extinguisher provided by the present utility model, the abutting plate 24 is an arc - shaped plate that is concave towards the accommodating cavity 13 and the installation cavity 14; with the help of the arc - shaped plate, it is more comfortable for the staff to lean against the back surface 11.

[0038] Please refer to Figure 3 , as a specific embodiment of the backpack - type high - pressure fine water mist fire extinguisher provided by the present utility model, the bearing plate 22 is lower than the upper end of the rectangular frame 19, and on one side of the two rectangular frames 19 away from the back surface 11, there is a baffle 25 for surrounding the accommodating cavity 13. The baffle 25 is fixedly connected to the connecting rod 23, the two rectangular frames 19 and the bearing plate 22; through this structure, a water bag can be stably placed and accommodated between the bearing plate 22 and the upper end surface of the rectangular frame 19, ensuring the stable use of the water bag. And the baffle 25 is arranged on the side of the accommodating cavity 13 away from the back surface 11, so that the water bag will not fall from one side of the accommodating cavity 13.

[0039] Please refer to Figures 1 to 5 , as a specific embodiment of the backpack - type high - pressure fine water mist fire extinguisher provided by the present utility model, on one side of the two rectangular frames 19 close to the back surface 11, there are extension rods 26 extending upward and a cross - bar 27 fixedly installed at the upper ends of the two extension rods 26. The cross - bar 27 corresponds to the human head; the two extension rods 26 and the cross - bar 27 form an inverted U - shaped structure, increasing the height of one rectangular frame 19; in this way, not only the effective use space of the accommodating cavity 13 is increased, but also the staff's head can lean against the cross - bar 27, making the work more comfortable.

[0040] Please refer to Figures 6 to 9 , as a specific embodiment of the backpack - type high - pressure fine water mist fire extinguisher provided by the present utility model, there is also a support structure 28 on one side of the backpack frame 1 located on the back surface 11. The support structure 28 has a mounting groove 32 for installing a spray gun; that is, when the staff uses this backpack - type high - pressure fine water mist fire extinguisher, after holding the spray gun for a period of time, the staff can clip the spray gun into the mounting groove 32 of the support structure 28, and at the same time hold the spray gun with the hand; with the help of the support structure 28 to provide a certain support for the spray gun, it can play a role in saving effort. The support structure 28 is arranged on one side of the back surface 11, which is convenient for the staff to clip the spray gun into the mounting groove 32.

[0041] Please refer to Figures 6 to 9, as a specific embodiment of the backpack type high-pressure fine water mist fire extinguisher provided by the present utility model, the support structure 28 includes a mounting plate 29, a damping shaft 30 and a support block 31. The mounting plate 29 is arranged vertically and fixedly installed on the backpack frame 1, and the mounting plate 29 is perpendicular to the back surface 11. A connection hole is provided on the side of the mounting plate 29 away from the backpack frame 1. The damping shaft 30 is fitted and installed in the connection hole, and one end of the damping shaft 30 is located outside the mounting plate 29; the support block 31 is fixedly installed on the damping shaft 30, and a mounting groove 32 is provided on the support block 31, and the mounting groove 32 penetrates through the support block 31; the mounting plate 29 is arranged vertically and fixedly installed on the backpack frame 1. One end of the damping shaft 30 is installed in the connection hole of the mounting plate 29, and the support block 31 is installed at the other end of the damping shaft 30. The mounting groove 32 is provided on the side surface of the support block 31 away from the mounting plate 29, and the mounting groove 32 penetrates through the support block 31; by means of the damping shaft 30, the support block 31 is installed on the mounting plate 29. After the spray gun is installed in the mounting groove 32 of the support block 31, the angle of the spray gun can be adjusted, making the use of the spray gun more comfortable and accurate.

[0042] Please refer to Figures 6 to 9 , as a specific embodiment of the backpack type high-pressure fine water mist fire extinguisher provided by the present utility model, the number of the support structures 28 is multiple and arranged at intervals up and down; the support structure 28 includes a mounting plate 29 and a support block 31. The mounting plate 29 is arranged vertically and fixedly installed on the backpack frame 1, and the mounting plate 29 is perpendicular to the back surface 11. The support block 31 is fixedly installed on the mounting plate 29, and a mounting groove 32 is provided on the support block 31; the included angles between the multiple mounting grooves 32 arranged from top to bottom and the horizontal plane gradually increase or decrease; the support structures 28 are arranged in multiple numbers and at intervals up and down; and the included angles of the mounting grooves 32 on the multiple support blocks 31 gradually change, so that the staff can install the spray gun on different support blocks 31 to achieve the purpose of being in different working angles to be applicable to different working states. The mounting plate 29 is fixedly installed on the side of the backpack frame 1 adjacent to the back surface 11, so that the support block 31 and the spray gun will not be affected by the staff.

[0043] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. Backpack high-pressure fine water mist fire extinguisher, comprising a backpack frame, a machine body, a water bag, a spray gun and a connecting pipe, characterized in that, The backrest has a back side adapted to the human back, and a plurality of ventilation holes are provided on the back side; the backrest is provided with a receiving cavity and a mounting cavity arranged at intervals up and down, the receiving cavity is a stepped structure and the side close to the back side is lower than the side far from the back side; the water bag is placed in the receiving cavity, and the body is installed in the mounting cavity; a first mounting port communicating with the receiving cavity is provided on the upper side of the backrest, and a second mounting port communicating with the mounting cavity is provided on the side of the backrest far from the back side; water inlets and water outlets communicating with the mounting cavity are respectively provided on both side surfaces of the backrest; the body is connected to the water bag through the connecting pipe passing through the water inlet, and the body is connected to the spray gun through the connecting pipe passing through the water outlet.

2. The backpack type high-pressure fine water mist fire extinguisher according to claim 1, characterized in that, The backrest includes two rectangular frames, two side plates, a bottom plate, a bearing plate, a connecting rod and a abutting plate; the two rectangular frames are arranged in parallel at intervals, and the connecting rod is fixedly installed between the two rectangular frames; the two side plates are respectively installed on the two rectangular frames, and the water inlet and the water outlet are respectively opened on the two side plates; the bottom plate is installed between the two rectangular frames and fixedly connected to the lower ends of the two rectangular frames, the bearing plate is a bent structure and installed between the two rectangular frames, the bearing plate is located above the bottom plate and fixedly connected to the two rectangular frames; the mounting cavity is located between the bottom plate and the bearing plate, and the receiving cavity is above the bearing plate; the abutting plate is installed between the two rectangular frames and fixedly connected to one side of the two rectangular frames, and the abutting plate and the side surfaces of the two rectangular frames form the back side; the ventilation holes are opened on the abutting plate.

3. The backpack type high-pressure fine water mist fire extinguisher according to claim 2, wherein, The abutting plate is a long strip plate, and the number of the abutting plates is multiple, and the multiple abutting plates are arranged at intervals up and down and are on the same plane.

4. The backpack type high-pressure fine water mist fire extinguisher according to claim 3, characterized in that, The abutting plate located below corresponds to the mounting cavity and is used for blocking the mounting cavity; a heat insulation layer is provided on the side of the abutting plate far from the back side.

5. The backpack type high-pressure fine water mist fire extinguisher according to claim 2, characterized in that, The abutting plate is an arc-shaped plate recessed towards the receiving cavity and the mounting cavity.

6. The backpack high-pressure fine water mist fire extinguisher according to claim 2, wherein, The bearing plate is lower than the upper end of the rectangular frame, and a baffle for surrounding the receiving cavity is provided on the side of the two rectangular frames far from the back side, and the baffle is fixedly connected to the connecting rod, the two rectangular frames and the bearing plate.

7. The backpack high-pressure fine water mist fire extinguisher according to claim 2, wherein, Extension rods extending upwards are respectively provided on one side of the two rectangular frames close to the back side, and a cross bar fixedly installed at the upper ends of the two extension rods is used for corresponding to the human head.

8. The backpack high-pressure fine water mist fire extinguisher according to any one of claims 1-7, characterized in that, A support structure is further provided on the backrest on one side of the back side, and the support structure has a mounting groove for mounting the spray gun.

9. The backpack type high-pressure fine water mist fire extinguisher according to claim 8, characterized in that, The support structure includes a mounting plate, a damping shaft and a support block. The mounting plate is arranged vertically and fixedly installed on the backpack frame, and the mounting plate is perpendicular to the back surface. A connection hole is provided on a side of the mounting plate away from the backpack frame. The damping shaft is fitted and installed in the connection hole, and one end of the damping shaft is located outside the mounting plate. The support block is fixedly installed on the damping shaft, and the installation groove is formed on the support block and penetrates through the support block.

10. The backpack type high-pressure fine water mist fire extinguisher according to claim 8, characterized in that, The number of the support structures is multiple and they are arranged at intervals vertically. The support structure includes a mounting plate and a support block. The mounting plate is arranged vertically and fixedly installed on the backpack frame, and the mounting plate is perpendicular to the back surface. The support block is fixedly installed on the mounting plate, and the installation groove is formed on the support block. The angles between the multiple installation grooves arranged from top to bottom and the horizontal plane gradually increase or decrease.

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