Backpack type pneumatic extinguisher
The backpack-style wind-powered fire extinguisher solves the problem of insufficient comfort when wearing it for a long time by using rubber connecting buckles, sponge pads, limit rods and clamps, achieving a more comfortable and stable wearing effect.
Patent Information
- Application Number
- CN202520348654.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Existing wind-powered fire extinguishers are not comfortable enough for prolonged wear, affecting the user experience.
A backpack-style wind-powered fire extinguisher was designed, featuring a rubber connecting buckle and a sponge pad, combined with a limit rod and spring anti-dislodgement mechanism, as well as a clamp and C-shaped buckle installation mechanism to ensure comfortable wear and a secure connection.
The use of pads and cushions enhances wearing comfort, prevents slippage, achieves a more secure connection, and improves comfort and safety during use.
Smart Images

Figure CN223944824U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wind fire extinguishing machine, especially relates to a knapsack type wind fire extinguishing machine. BACKGROUND
[0002] The wind fire extinguishing machine, also known as a blower, is a device that uses wind power to extinguish fires. Its main working principle is to drive a wind wheel by a small two-stroke gasoline engine or an electric motor to generate high-speed airflow, forming a powerful high-speed air flow that blows on the flame and burning material, disperses the burning heat, and lowers the burning temperature below the ignition point and isolates the flame, thereby achieving the purpose of extinguishing the fire. Since the wind fire extinguishing machine was invented, it has been the most suitable fire-fighting mechanical tool due to its light weight, easy portability, good fire-fighting effect, and other advantages. It has been in use for nearly thirty years, providing an important guarantee for the successful suppression of forest fires. When using it, it is necessary to ensure the comfort of wearing it for a long time. SUMMARY
[0003] The utility model aims at providing a knapsack type wind fire extinguishing machine to solve the problem of ensuring the comfort of wearing the wind fire extinguishing machine for a long time when using it.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a knapsack type wind fire extinguishing machine, comprising a wind fire extinguishing machine body, the wind fire extinguishing machine body includes a bottom plate, a backrest and a handheld pipe, the outer side of the bottom plate and the backrest is provided with a protection mechanism, the protection mechanism includes a mounting slot, a connecting buckle, a pad, a fixing slot, a sliding bar and a protective pad, the top of the bottom plate is provided with a mounting slot, the inner side of the mounting slot is inserted with a connecting buckle, the outer side of the connecting buckle is integrally formed with a pad, the outer side of the backrest is provided with a fixing slot, the inner side of the fixing slot is inserted with a sliding bar, the outer side of the sliding bar is glued and fixedly connected with a protective pad, the inner side of the backrest is provided with an anti-dropping mechanism, and one end of the handheld pipe is provided with a mounting mechanism.
[0005] Preferably, the pad is made of rubber material, the inner wall of the fixing slot is matched with the outer wall of the sliding bar, and the protective pad is made of sponge material.
[0006] Preferably, the anti-dropping mechanism includes a limiting rod, a convex ring, a fixing hole, a spring, a pull rod and a sliding groove, the inner side of the backrest is slidably connected with a limiting rod, the outer side of the limiting rod is integrally formed with a convex ring, the outer side of the convex ring is slidably connected with a fixing hole, one side of the convex ring is fixedly connected with a spring, one end of the limiting rod is fixedly connected with a pull rod, and the outer side of the pull rod is slidably connected with a sliding groove.
[0007] Preferably, the outer wall of the convex ring is in close fit with the inner wall of the fixing hole, the outer wall of the pull rod is in close fit with the inner wall of the sliding groove, and the outer wall of one end of the limiting rod is in close fit with the surface of one end of the sliding strip.
[0008] Preferably, the mounting mechanism comprises a connecting groove, a clamp, a connecting plate, a C-shaped buckle, a limiting groove, a pipe head and a blocking ring, one end of the handheld pipe is provided with the connecting groove on the outer side, the clamp is connected on the inner side of the connecting groove, the connecting plate is fixedly connected on the outer side of the clamp, the C-shaped buckle is fixedly connected on one end of the connecting plate, the limiting groove is provided on the outer side of one end of the handheld pipe, the pipe head is inserted into one end of the handheld pipe, and the blocking ring is fixedly connected on the outer side of the pipe head.
[0009] Preferably, the outer wall of the connecting groove is matched with the inner wall of the clamp.
[0010] Preferably, the outer wall of the connecting plate is matched with the inner wall of the limiting groove.
[0011] Compared with the prior art, the backpack type wind fire extinguishing machine has the advantages that: when in use, the bottom plate can be protected through the setting of the pad, the pad is convenient to install due to the rubber material of the connecting buckle, the human body back can be protected when wearing the wind fire extinguishing machine body due to the setting of the protective pad, wearing is more comfortable, when installing, the pull rod is pulled first, one end of the pull rod is inserted into the fixing hole, the convex ring compresses the spring, the protective pad is installed, then the pull rod is loosened, the spring rebounds, the outer wall of one end of the limiting rod is in close fit with the surface of one end of the sliding strip, so that the sliding strip is limited and fixed, thus the effect of fixing the protective pad is achieved, the pipe head is inserted into the handheld pipe, one side of the blocking ring is in close fit with the end of the handheld pipe, then the clamp is clamped on the connecting groove, the connecting plate is arranged in the limiting groove, at this time, the C-shaped buckle is clamped on the other side of the blocking ring, then the clamp is tightened by the bolt, so that the pipe head is fixed, and the outer wall of one end of the pipe head is in close fit with the inner wall of one end of the handheld pipe. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is the schematic view of the appearance structure of the utility model;
[0013] Figure 2 is the schematic view of the protective mechanism structure of the utility model;
[0014] Figure 3 is the schematic view of the anti-off mechanism structure of the utility model;
[0015] Figure 4 is the schematic view of the Figure 2 enlarged structure at A of the utility model.
[0016] In the figure: 1, the body of the wind fire extinguishing machine; 2, the bottom plate; 3, the backrest; 4, the hand-held pipe; 5, the mounting groove; 6, the connecting buckle; 7, the pad; 8, the fixing groove; 9, the sliding bar; 10, the protective pad; 11, the limiting rod; 12, the protruding ring; 13, the fixing hole; 14, the spring; 15, the pull rod; 16, the sliding groove; 17, the connecting groove; 18, the clamp; 19, the connecting plate; 20, the C-shaped buckle; 21, the limiting groove; 22, the pipe head; 23, the blocking ring. DETAILED DESCRIPTION
[0017] 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 scope of protection of the utility model.
[0018] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the specification are only used to cooperate with the disclosed content of the specification for understanding and reading by those skilled in the art, and are not used to limit the defined conditions of the implementable application, so they do not have technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be produced by the application, should still fall within the scope of the disclosed technical content.
[0019] EMBODIMENT
[0020] Please refer to Figures 1-4 The utility model discloses a back-carrying wind fire extinguishing machine: including wind fire extinguishing machine body 1, wind fire extinguishing machine body 1 includes bottom plate 2, backrest 3 and hand-held pipe 4, the outside of bottom plate 2 and backrest 3 is provided with protection mechanism, and protection mechanism includes mounting groove 5, connecting buckle 6, pad 7, fixed groove 8, sliding bar 9 and protective pad 10, the top of bottom plate 2 is provided with mounting groove 5, and the inside of mounting groove 5 is inserted with connecting buckle 6, and the outside of connecting buckle 6 is integrally formed with pad 7, and the outside of backrest 3 is provided with fixed groove 8, and the inside of fixed groove 8 is inserted with sliding bar 9, and the outside of sliding bar 9 is adhesively fixedly connected with protective pad 10, and the inside of backrest 3 is provided with anti-off mechanism, and one end of hand-held pipe 4 is provided with mounting mechanism, when using, through the setting of pad 7, can protect bottom plate 2, and connecting buckle 6 is the rubber material, and the installation of pad 7 is facilitated, and the setting of protective pad 10 can protect the back of human body when wearing wind fire extinguishing machine body 1, and wearing is more comfortable.
[0021] Further, pad 7 is the rubber material, the inner wall of fixed groove 8 and the outer wall of sliding bar 9 are in close contact, and protective pad 10 is the sponge material.
[0022] In order to fix the pad 10 conveniently, the anti-off mechanism comprises a limiting rod 11, a convex ring 12, a fixing hole 13, a spring 14, a pull rod 15 and a sliding groove 16, the inner side of the backrest 3 is slidingly connected with the limiting rod 11, the outer side of the limiting rod 11 is integrally formed with the convex ring 12, the outer side of the convex ring 12 is slidingly connected with the fixing hole 13, one side of the convex ring 12 is fixedly connected with the spring 14, one end of the limiting rod 11 is fixedly connected with the pull rod 15, the outer side of the pull rod 15 is slidingly connected with the sliding groove 16, the pad 10 is connected with the fixed groove 8 through the sliding strip 9, when installing, the pull rod 15 is pulled first, so that one end of the pull rod 15 is received in the fixing hole 13, and the convex ring 12 compresses the spring 14, after the pad 10 is installed, the pull rod 15 is loosened, the spring 14 rebounds, so that the outer wall of one end of the limiting rod 11 is attached to the surface of one end of the sliding strip 9, thereby limiting and fixing the sliding strip 9, so that the effect of fixing the pad 10 is achieved.
[0023] Further, the outer wall of the convex ring 12 is attached to the inner wall of the fixing hole 13, the outer wall of the pull rod 15 is attached to the inner wall of the sliding groove 16, and the outer wall of one end of the limiting rod 11 is attached to the surface of one end of the sliding strip 9.
[0024] In order to install the pipe head 22 conveniently, the installation mechanism comprises a connecting groove 17, a clamp 18, a connecting plate 19, a C-shaped buckle 20, a limiting groove 21, the pipe head 22 and a blocking ring 23, the outer side of one end of the handheld pipe 4 is provided with the connecting groove 17, the inner side of the connecting groove 17 is clamped with the clamp 18, the outer side of the clamp 18 is fixedly connected with the connecting plate 19, one end of the connecting plate 19 is fixedly connected with the C-shaped buckle 20, the outer side of one end of the handheld pipe 4 is provided with the limiting groove 21, one end of the handheld pipe 4 is inserted with the pipe head 22, and the outer side of the pipe head 22 is fixedly connected with the blocking ring 23, the pipe head 22 is inserted into the handheld pipe 4, so that one side of the blocking ring 23 is attached to the end of the handheld pipe 4, then the clamp 18 is clamped with the connecting groove 17, the connecting plate 19 is arranged in the limiting groove 21, at this time, the C-shaped buckle 20 is clamped on the other side of the blocking ring 23, then the clamp 18 is tightened with the bolt, thereby fixing the pipe head 22, and the outer wall of one end of the pipe head 22 is tightly attached to the inner wall of one end of the handheld pipe 4.
[0025] Further, the outer wall of the connecting groove 17 is matched with the inner wall of the clamp 18.
[0026] Further, the outer wall of the connecting plate 19 is matched with the inner wall of the limiting groove 21.
[0027] Working principle: in use, through the setting of the base plate 7, the bottom plate 2 can be protected, and the connecting buckle 6 is made of rubber material, which facilitates the installation of the base plate 7, and the setting of the protective pad 10 can protect the back of the human body when wearing the wind power fire extinguishing machine body 1, and the wearing is more comfortable. When installing, first pull the pull rod 15, so that one end of the pull rod 15 enters the fixing hole 13, and the convex ring 12 compresses the spring 14. After the protective pad 10 is installed, loosen the pull rod 15, the spring 14 rebounds, so that one end of the limiting rod 11 is in close contact with one end of the slide strip 9, thereby limiting and fixing the slide strip 9, so that the effect of fixing the protective pad 10 is achieved. Insert the pipe head 22 into the handheld pipe 4, so that one side of the blocking ring 23 is in close contact with the end of the handheld pipe 4, then the clamp 18 is clamped with the connecting groove 17, the connecting plate 19 is placed in the limiting groove 21, and the C-shaped buckle 20 is clamped on the other side of the blocking ring 23. Then tighten the clamp 18 with bolts, thereby fixing the pipe head 22, and the outer wall of one end of the pipe head 22 is in close contact with the inner wall of one end of the handheld pipe 4. The model of the wind power fire extinguishing machine body 1 is EB850.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A backpacked pneumatic fire extinguisher comprising a pneumatic fire extinguisher body (1) comprising a bottom plate (2), a backrest (3) and a hand-held tube (4), characterized in that: The outer side of the bottom plate (2) and backrest (3) is provided with a protection mechanism, the protection mechanism includes mounting slot (5), connecting buckle (6), backing plate (7), fixed slot (8), slide bar (9) and pad (10), the top of the bottom plate (2) is provided with mounting slot (5), the inner side of the mounting slot (5) is inserted with connecting buckle (6), the outer side of the connecting buckle (6) is integrally formed with backing plate (7), the outer side of the backrest (3) is provided with fixed slot (8), the inner side of the fixed slot (8) is inserted with slide bar (9), the outer side of the slide bar (9) is fixedly connected with pad (10), the inner side of the backrest (3) is provided with an anti-off mechanism, one end of the handheld pipe (4) is provided with a mounting mechanism.
2. A backpacked wind fire extinguisher according to claim 1, characterized in that: The backing plate (7) is made of rubber material, the inner wall of the fixed slot (8) is matched with the outer wall of the slide bar (9), and the pad (10) is made of sponge material.
3. A backpacked wind fire extinguisher as claimed in claim 1, wherein: The anti-off mechanism includes a limiting rod (11), a convex ring (12), a fixed hole (13), a spring (14), a pull rod (15) and a sliding groove (16), the inner side of the backrest (3) is slidably connected with the limiting rod (11), the outer side of the limiting rod (11) is integrally formed with the convex ring (12), the outer side of the convex ring (12) is slidably connected with the fixed hole (13), one side of the convex ring (12) is fixedly connected with the spring (14), one end of the limiting rod (11) is fixedly connected with the pull rod (15), and the outer side of the pull rod (15) is slidably connected with the sliding groove (16).
4. A backpacked wind fire extinguisher as claimed in claim 3, wherein: The outer wall of the convex ring (12) is matched with the inner wall of the fixed hole (13), the outer wall of the pull rod (15) is matched with the inner wall of the sliding groove (16), and the outer wall of one end of the limiting rod (11) is matched with the surface of one end of the slide bar (9).
5. A backpacked wind fire extinguisher as claimed in claim 1, wherein: The mounting mechanism includes a connecting slot (17), a clamp (18), a connecting plate (19), a C-shaped buckle (20), a limiting slot (21), a pipe head (22) and a blocking ring (23), one end of the outer side of the handheld pipe (4) is provided with a connecting slot (17), the inner side of the connecting slot (17) is connected with the clamp (18), the outer side of the clamp (18) is fixedly connected with the connecting plate (19), one end of the connecting plate (19) is fixedly connected with the C-shaped buckle (20), one end of the outer side of the handheld pipe (4) is provided with a limiting slot (21), one end of the handheld pipe (4) is inserted with the pipe head (22), and the outer side of the pipe head (22) is fixedly connected with the blocking ring (23).
6. A backpacked wind fire extinguisher as claimed in claim 5, wherein: The outer wall of the connecting slot (17) is matched with the inner wall of the clamp (18).
7. A backpacked wind fire extinguisher as claimed in claim 5 wherein: The outer wall of the connecting plate (19) is matched with the inner wall of the limiting slot (21). The outer wall of the connecting plate (19) is matched with the inner wall of the limiting slot (21).