阅读说明：本技术 一种背负式喷气灭火装置 (Backpack jet fire extinguishing device ) 是由 陈春明 陈欣 陈阳 朱瑞松 金松 于 2021-03-12 设计创作，主要内容包括：本发明公开了一种背负式喷气灭火装置,包括,所述包括框架,鼓风机,发动机机体,化油器,进气管,过滤器,顶盖,过滤器盖,燃油箱和吹风管,所述鼓风机安装在框架的一侧,所述发动机机体安装固定在鼓风机的一侧,所述化油器安装固定在发动机机体的一侧,所述进气管安装固定在鼓风机的一侧,所述过滤器盖固定在鼓风机的顶端,且过滤器盖和鼓风机之间设置有过滤器,所述顶盖固定在发动机机体的外侧,本发明的鼓风机顶端设置有过滤器,能够对进入鼓风机内部的空气进行过滤,能够避免空气中杂质灰尘进入进气管内部,保障进气管的使用寿命,实用性更强；同时顶盖和过滤器盖都便于拆卸,更有利于背负式吹风装置的检修维护。(The invention discloses a backpack jet fire extinguishing device, which comprises a frame, a blower, an engine body, a carburetor, an air inlet pipe, a filter, a top cover, a filter cover, a fuel tank and a blowing pipe, wherein the blower is arranged on one side of the frame; meanwhile, the top cover and the filter cover are convenient to detach, and the backpack blowing device is more favorable for overhauling and maintenance.)

1. The utility model provides a jet-propelled extinguishing device of backpack, includes 1, its characterized in that: the engine comprises a frame 2, a blower 3, an engine body 4, a carburetor 5, an air inlet pipe 6, a filter 7, a top cover 8, a filter cover 9, a fuel tank 10 and a blowpipe 11, wherein the blower 3 is arranged on one side of the frame 2, the engine body 4 is fixedly arranged on one side of the blower 3, the carburetor 5 is fixedly arranged on one side of the engine body 4, the air inlet pipe 6 is fixedly arranged on one side of the blower 3, the filter cover 9 is fixedly arranged at the top end of the blower 3, the filter 7 is arranged between the filter cover 9 and the blower 3, the top cover 8 is fixedly arranged on the outer side of the engine body 4, the fuel tank 10 is fixedly arranged on one side of the bottom end of the frame 2, the blowpipe 11 is fixedly arranged on one side of the blower 3, a starter 4a is arranged on the front surface of the, the carburetor 5 is provided with a belt 5a on one side, the intake pipe 6 is divided into a carburetor connecting portion 6a, an intermediate portion 6b and a filter connecting portion 6c, the intake pipe 6 and the carburetor 5 are fixedly connected through the carburetor connecting portion 6a, the intake pipe 6 and the filter 7 are fixedly connected through the filter connecting portion 6c, the filter 7 comprises a filter box 7b, the top end of the filter box 7b is provided with an element 7a, one side of the filter box 7b is provided with a filter outlet 7c, and the outer side of the filter outlet 7c is wrapped with a filter belt 7 d.

2. The backpack type jet fire extinguishing device according to claim 1, wherein: the frame 2 comprises a shoulder 2a and a frame bottom 2b, the shoulder 2a being located at the top end of the frame 2 and the frame bottom 2b being located at the bottom end of the frame 2.

3. The backpack type jet fire extinguishing device according to claim 1, wherein: a fan housing 3a is fixed on one side of the blower 3, a blower outlet 3b is arranged at one end of the blower 3, and a housing fixing part 3c is arranged on the outer side of the blower 3 corresponding to the fan housing 3 a.

4. The backpack type jet fire extinguishing device according to claim 1, wherein: the edge of the top cover 8 is uniformly provided with 8 a.

5. The backpack type jet fire extinguishing device according to claim 1, wherein: bolts 9a are inserted between the filter cover 9 and the blower 3.

6. The backpack type jet fire extinguishing device according to claim 1, wherein: the front surface of the fuel tank 10 is provided with a tank recess 10 a.

7. The backpack type jet fire extinguishing device according to claim 1, wherein: a barrel proximal end 11a is provided at one end of the barrel 11, a base end 11b is provided at the other end of the barrel 11, and a handle 11c is fixed to one side of the barrel 11.

Technical Field

The invention belongs to the technical field of jet extinguishers, and particularly relates to a backpack jet extinguishing device.

Background

The backpack type air-jet fire extinguisher is also called as a backpack type air-blowing fire extinguisher and is mainly used for fire extinguishing work in large-scale fire catching, mountain fire and other environments.

However, there are still some unreasonable factors in the use of the existing backpack jet fire extinguishing device, and when the existing backpack jet fire extinguishing device is used: the jet fire extinguisher is not convenient for overhaul and maintenance, the air inlet pipe does not have a better protection structure, is easy to be damaged, and has poorer practicability.

Disclosure of Invention

The invention aims to provide a backpack type jet fire extinguishing device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the backpack jet fire extinguishing device comprises a frame, a blower, an engine body, a carburetor, an air inlet pipe, a filter, a top cover, a filter cover, a fuel tank and a blowing pipe, wherein the blower is installed on one side of the frame, the engine body is installed and fixed on one side of the blower, the carburetor is installed and fixed on one side of the engine body, the air inlet pipe is installed and fixed on one side of the blower, the filter cover is fixed at the top end of the blower, the filter is arranged between the filter cover and the blower, the top cover is fixed on the outer side of the engine body, the fuel tank is fixed on one side of the bottom end of the frame, the blowing pipe is fixed on one side of the blower, a starter is arranged on the front surface of the engine body, a knob is embedded into one end of the starter, the filter comprises a filter box, an element is arranged at the top end of the filter box, a filter outlet is arranged on one side of the filter box, and a filter belt wraps the outer side of the filter outlet.

Preferably, the frame comprises a shoulder at a top end of the frame and a bottom frame surface at a bottom end of the frame.

Preferably, a fan housing is fixed to one side of the blower, a blower outlet is formed at one end of the blower, and a housing fixing portion is formed on the outer side of the blower corresponding to the fan housing.

Preferably, the edge of the top cover is uniformly provided with the elastic piece.

Preferably, a bolt is embedded between the filter cover and the blower.

Preferably, the front surface of the fuel tank is provided with a tank recess.

Preferably, one end of the blowpipe is provided with a blowpipe near end, the other end of the blowpipe is provided with a base end portion, and a handle is fixed to one side of the blowpipe.

Compared with the prior art, the invention has the beneficial effects that: the filter is arranged at the top end of the air blower, so that air entering the air blower can be filtered, impurity and dust in the air can be prevented from entering the air inlet pipe, the service life of the air inlet pipe is guaranteed, and the practicability is higher; meanwhile, the top cover and the filter cover are convenient to detach, and the backpack blowing device is more favorable for overhauling and maintenance.

Drawings

FIG. 1 is a rear view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a rear view of the cleaner cover of the present invention with the top cover and the cleaner cover removed;

FIG. 4 is an exploded view of the top cover and dust collector cover assembly of the present invention;

in the figure: 1. a backpack blower; 2. a frame; 2a, shoulder parts; 2b, a frame bottom surface; 3. a blower; 3a, a fan housing; 3b, a blower outlet; 3c, a housing fixing part; 4. an engine body; 4a, a starter; 4b, a knob; 5. a carburetor; 5a, a belt; 6. an air inlet pipe; 6a, a carburetor connection portion; 6b, an intermediate portion; 6c, a filter connecting part; 7. a filter; 7a, an element; 7b, a filter box; 7c, a filter outlet; 7d, a filter band; 8. a top cover; 8a, a cover fixing portion; 9. a filter cover; 9a, a bolt; 10. a fuel tank; 10a, a fuel tank recess; 11. a blowpipe; 11a, the proximal end of the blowpipe; 11b, a base end portion; 11c, a handle.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a knapsack fire-extinguishing jet apparatus is composed of frame 1, 1 including frame 2, blower 3, engine body 4, carburetor 5, air inlet pipe 6, filter 7, top cover 8, filter cover 9, fuel tank 10 and blowing pipe 11, blower 3 installed at one side of frame 2, engine body 4 installed at one side of blower 3, carburetor 5 installed at one side of engine body 4, air inlet pipe 6 installed at one side of blower 3, filter cover 9 fixed at top end of blower 3, filter 7 between filter cover 9 and blower 3, top cover 8 fixed at outside of engine body 4, fuel tank 10 fixed at bottom end of frame 2, blowing pipe 11 fixed at one side of blower 3, starter 4a installed on front surface of engine body 4, knob 4b embedded at one end of starter 4a, the carburetor 5 is provided with a belt 5a on one side thereof, the intake pipe 6 is divided into a carburetor connecting portion 6a, an intermediate portion 6b and a filter connecting portion 6c, the intake pipe 6 and the carburetor 5 are fixedly connected by the carburetor connecting portion 6a, the intake pipe 6 and the filter 7 are fixedly connected by the filter connecting portion 6c, the filter 7 includes a filter case 7b, the top end of the filter case 7b is provided with an element 7a, one side of the filter case 7b is provided with a filter outlet 7c, and the outside of the filter outlet 7c is wrapped with a filter belt 7 d.

In order to make the frame 2 stronger, in the present embodiment, it is preferable that the frame 2 includes a shoulder portion 2a and a frame bottom surface 2b, the shoulder portion 2a is located at the top end of the frame 2, and the frame bottom surface 2b is located at the bottom end of the frame 2.

In order to protect the blower 3 better, in the present embodiment, it is preferable that a fan housing 3a is fixed to one side of the blower 3, a blower outlet 3b is provided at one end of the blower 3, and a housing fixing portion 3c is provided at the outer side of the blower 3 corresponding to the fan housing 3 a.

In order to facilitate the installation of the top cover 8, in the present embodiment, it is preferable that the top cover 8 is uniformly provided with 8a at the edge.

In order to fix the filter cover 9 firmly, in the present embodiment, it is preferable that a bolt 9a is inserted between the filter cover 9 and the blower 3.

In order to make the fuel tank 10 stronger, in the present embodiment, it is preferable that the front surface of the fuel tank 10 is provided with a tank recess 10 a.

In order to facilitate the installation of the blowpipe 11, in the present embodiment, it is preferable that one end of the blowpipe 11 is provided with a blowpipe proximal end 11a, the other end of the blowpipe 11 is provided with a base end portion 11b, and a handle 11c is fixed to one side of the blowpipe 11.

In order to suppress the early clogging, in the present embodiment, it is preferable that a filter 7 is provided in the upper portion of the fan housing 3a, and the filter 7 removes dust in the air supplied to the engine body 4, and it is preferable to use a large filter 7.

In order to make the intake duct 6 more durable, in the present embodiment, it is preferable that the intake duct 6 connect the filter 7 to the carburetor 5 and guide the air absorbed in the filter 7 to the carburetor 5, and more specifically, the intake duct 6 includes a carburetor connection portion 6a connected to an intake port of the carburetor, a filter connection portion 6c connected to a filter outlet 7c of the filter 7, and an intermediate portion 6b connecting the carburetor connection portion 6a to the filter connection portion 6c, and in the present embodiment, the intake duct 6 is formed of resin.

The working principle and the using process of the invention are as follows: after the present invention has been mounted, the mounting fixation and the safety protection of the present invention are first checked, and then it is possible to use, in use, the outer-peripheral-side fixation portion X located on the outer peripheral side of the intake duct 6 in the fan case 3a is included in the plurality of cover fixation portions 8a of the top cover 8, and the side fixation portion X of the top cover 8 is fixed to the fan case 3a at the position on the outer peripheral side of the intake duct 6 in the fan case 3a, so even in the case where the top cover 8 receives an external impact, the impact applied to the top cover 8 can be stopped at the outer-peripheral-side fixation portion X located on the outer side of the intake duct 6. In this way, it is possible to strongly protect the intake duct 6 from external impact and prevent damage to the intake duct 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.