Hand guard structure and pneumatic extinguisher

Abstract

The utility model provides a hand guard structure and a pneumatic extinguisher, the hand guard structure comprises a hand guard assembly, the hand guard assembly comprises a hand guard baffle and a clamping part, the hand guard baffle is fixedly arranged on the clamping part, and the clamping part is detachably connected with a blowpipe of the pneumatic extinguisher. The hand protection structure can effectively isolate a heat source, so that the hand protection is realized, and the fire extinguishing safety and the fire extinguishing efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind force fire extinguishing machine technical field, concretely is a hand protection structure and wind force fire extinguishing machine. BACKGROUND

[0002] The working principle of the wind force fire extinguishing machine is that a small two-stroke gasoline engine or a motor directly drives an impeller connected to an output shaft to rotate at high speed, air outside is rectified and sucked through a protective cover to increase pressure and speed, and a powerful high-speed air flow is formed through a fan volute and a wind pipe. The high-speed air flow blows on the flame and the burning material, disperses the burning heat, sharply reduces the burning temperature to below the ignition point, and isolates the flame, thereby destroying the conditions for continuous combustion and achieving the purpose of extinguishing the fire.

[0003] The wind force fire extinguishing machine is widely used for forest fire site surface fire or residual fire cleaning work. Currently, the commonly used handle of the wind force fire extinguishing machine is fixed on the wind pipe, and there is no structure for protecting the hands at the handle. When the wind force fire extinguishing machine is used in the fire site, the open fire or high temperature in the fire site often continues to bake the operator's hands, thereby there is a risk of the operator's hands being scalded (burned). Therefore, how to effectively protect the operator's hands when using the wind force fire extinguishing machine is a problem to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a hand protection structure and a wind force fire extinguishing machine, which can effectively isolate heat sources and thereby realize protection of the hands, thereby improving fire extinguishing safety and efficiency.

[0005] The utility model solves the technical problem by adopting the following technical scheme: a hand protection structure includes a hand protection assembly, the hand protection assembly includes a hand protection baffle and a clamping portion, the hand protection baffle is fixedly arranged on the clamping portion, and the clamping portion is connected to a blowing pipe of the wind force fire extinguishing machine in a detachable manner.

[0006] Preferably, the hand protection baffle has an arc-shaped cross section.

[0007] Further, one end of the hand protection baffle away from the blowing pipe is inclined to the direction of the air outlet of the blowing pipe.

[0008] Further, the clamping portion includes a first clamping body, and the hand protection baffle and the first clamping body are an integral injection molding component.

[0009] Further, the hand protection baffle and the first clamping body are made of high-strength high-temperature-resistant plastic material.

[0010] Further, the hand protection structure further comprises a handle assembly, the handle assembly comprises a handle and a handle fixing frame, the handle fixing frame is fixed on the blowing pipe in a detachable manner and is located behind the first clamping body, and the handle is fixedly connected with one side of the handle fixing frame in a bolt fixing manner and is located behind the hand protection baffle.

[0011] Further, the length of the hand protection baffle is N times the length of the handle, and 1.3≤N≤2.0.

[0012] Further, the upper part and the lower part of the opening of the first clamping body are an upper connecting part and a lower connecting part respectively, a clamping assembly is arranged at the opening of the first clamping body, the clamping assembly comprises a rotating buckle, a hinge shaft and an adjusting bolt, the bottom of the rotating buckle is hingedly connected with both ends of the hinge shaft, the bottom of the rotating buckle and the hinge shaft are located in the sink groove arranged on the upper connecting part, the adjusting bolt is sleeved in the lower connecting part, and the upper threaded end of the adjusting bolt is connected with the middle part of the hinge shaft in a threaded connection manner, and a protruding block for achieving the locking connection of the upper connecting part and the lower connecting part is arranged on one side of the bottom of the rotating buckle.

[0013] Further, a locking guide column is arranged at the bottom of the upper connecting part, a guide groove corresponding to the locking guide column is arranged at the upper part of the lower connecting part, the handle fixing frame comprises a second clamping body, and three groups of bolt and nut combination components are arranged at the opening of the second clamping body.

[0014] A wind force fire extinguishing machine comprising the hand protection structure, the blowing pipe is in through connection with the air outlet of the wind force fire extinguishing machine.

[0015] The hand protection structure has the advantages that: the hand protection structure has simple structure and is convenient to manufacture; the hand protection baffle can effectively block the heat in front of the hand protection baffle, thereby protecting the hand behind the hand protection baffle, improving the use safety of the wind force fire extinguishing machine and improving the fire extinguishing efficiency; the hand protection baffle can be quickly locked and fixed on the blowing pipe or be removed by operating the rotating buckle, thereby facilitating the quick movement of the hand protection baffle relative to the handle, so that the hand protection baffle can be flexibly positioned according to requirements; the hand protection baffle is made of high-strength high-temperature-resistant plastic by injection molding, which is easy to manufacture and can effectively achieve long-term heat insulation. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are part of the preferred embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the premise of the drawings.

[0017] Figure 1 It is a whole structure side view of the present application;

[0018] Figure 2 It is a whole structure side view of the present application;

[0019] Figure 3 It is a whole structure side view of the present application;

[0020] Figure 4 It is a combination schematic view of the clamping assembly;

[0021] Figure 5 It is Figure 2 It is an enlarged view of A in the figure;

[0022] In the figure: 1 hand guard baffle, 2 clamping part, 21 first clamping hoop body, 211 upper connecting part, 2111 sink groove, 2112 locking guide column, 212 lower connecting part, 2121 guide groove, 3 blowing pipe, 4 operating handle, 5 handle fixing frame, 51 side upper clamping seat, 52 middle upper clamping seat, 53 bolt. DETAILED DESCRIPTION

[0023] The following will be combined with specific embodiments and drawings to describe the present application in detail. Figures 1-5 The technical solutions in the embodiments of the present application are described clearly and completely, obviously, the described embodiments are only part of the preferred embodiments of the present application, not all the embodiments. Those skilled in the art can make similar modifications without departing from the connotation of the present application, therefore, the present application is not limited by the following disclosed specific embodiments.

[0024] The present application provides a kind of hand protection structure (such as Figure 1The hand protection assembly shown in the figure comprises a hand protection baffle 1 and a clamping portion 2, the hand protection baffle 1 is fixedly arranged on the clamping portion 2, and the clamping portion 2 is connected with the blowing pipe 3 of the air blower in a detachable manner. In actual application, the hand protection baffle 1 is used to isolate the heat in front of the hand protection baffle 1, thereby playing a heat insulation protection role on the hand behind the hand protection baffle 1. The air blower is a mature product on the market, which mainly relies on the high-pressure airflow sprayed from the blowing pipe 3 to realize the fire extinguishing operation in a certain fire environment. The clamping portion 2 is used to realize the effective fixation of the hand protection baffle 1 on the blowing pipe 3, thereby facilitating the stable heat insulation of the hand protection baffle 1. The clamping portion is fixedly connected with the blowing pipe 3 in a detachable manner, thereby facilitating the dismounting, shifting and fixation of the hand protection baffle 1 on the blowing pipe 3.

[0025] In order to facilitate the hand protection baffle 1 to better realize the heat insulation effect, the cross section of the hand protection baffle 1 can be arc-shaped structure, and the inner groove of the hand protection baffle 1 is opposite to the hand of the operator. Further, in order to facilitate the hand protection baffle 1 to correspond to the distribution position of the hand of the operator, the end of the hand protection baffle 1 away from the blowing pipe 3 is inclined to the direction of the air outlet of the blowing pipe 3.

[0026] On the basis of the above embodiment, the specific implementation of the clamping portion is that the clamping portion 2 comprises a first clamping body 21, the hand protection baffle 1 and the first clamping body 21 are an integral injection molding part, further, the hand protection baffle 1 and the first clamping body 21 are made of high-strength and high-temperature-resistant plastic material, and the first clamping body 21 and the hand protection baffle 1 are an integral structure, thereby facilitating the rapid sleeving and fixation of the hand protection baffle on the blowing pipe 3.

[0027] On the basis of the above-mentioned embodiments, the hand protection structure further comprises a handle assembly, the handle assembly comprises a handle 4 and a handle fixing frame 5, the handle fixing frame 5 is fixed on the blowing pipe 3 in a detachable connection mode, and the handle fixing frame 5 is located at the rear of the first clamping body 21, the handle 4 is fixedly connected with one side of the handle fixing frame 5 in a bolt fixing mode, specifically, a through hole is arranged on the handle fixing frame 5, and a through hole is also arranged on the handle 4, after the bolt is penetrated through the through holes on the handle fixing frame 5 and the handle 4, and the bolt is tightened, the installation and fixation of the handle 4 on the handle fixing frame 5 are realized, in actual application, the handle 4 can be in an inclined state relative to the blowing pipe 3, thereby facilitating the operator to conveniently hold the handle 4, the handle 4 is located at the rear of the hand protection baffle 1, when the operator holds the handle 4 with the hand, the hand is just located at the rear side of the hand protection baffle 1, thereby the hand protection baffle 1 can be used to realize the heat insulation protection of the hand. In order to further improve the heat insulation protection effect of the hand protection baffle 1, the length of the hand protection baffle 1 is N times of the length of the handle 4, 1.3≤N≤2.0, and preferably the value of N is 1.5.

[0028] On the basis of the above-mentioned embodiments, the specific implementation mode that the first clamping body 21 is detachably connected and fixed on the blowing pipe 3 is that: the upper part and the lower part of the opening of the first clamping body 21 are respectively an upper connecting part 211 and a lower connecting part 212, a clamping assembly is arranged at the opening of the first clamping body 21, the clamping assembly comprises a rotating buckle 221, a hinged shaft 222 and an adjusting bolt 223, the bottom of the rotating buckle 221 is hingedly connected with both ends of the hinged shaft 222, the rotating buckle 221 can rotate around the hinged shaft 222, the bottom of the rotating buckle 221 and the hinged shaft 222 are both located in a sink groove 2111 arranged on the upper connecting part 211, the adjusting bolt 223 is sleeved in the lower connecting part 212, and the upper threaded end of the adjusting bolt 223 is connected with the middle part of the hinged shaft 222 in a threaded connection mode, that is, the position adjustment of the hinged shaft 222 on the adjusting bolt 223 can be realized by rotating the adjusting bolt 223, so that the initial distance adjustment between the upper connecting part 211 and the lower connecting part 212 can be effectively realized, a protrusion 2211 for realizing the locking connection of the upper connecting part 211 and the lower connecting part 212 is arranged on one side of the bottom of the rotating buckle 221, that is, when the rotating buckle 221 is rotated towards the blowing pipe 3, the protrusion 2211 constantly approaches the bottom of the sink groove 2111, when the rotating buckle 221 is rotated in place, the protrusion 2211 is just pressed on the ground of the sink groove 2111, at this time, the upward movement of the hinged shaft 222 is realized by using the protrusion 2211, the upward movement of the hinged shaft 222 pulls the lower connecting part 212 to approach the upper connecting part 211, so as to realize the locking of the upper connecting part 211 and the lower connecting part 212, when the rotating buckle 221 is rotated away from the blowing pipe 3, the protrusion 2211 constantly moves away from the bottom surface of the sink groove 2211, when the protrusion 2211 is separated from the bottom surface of the sink groove 2111, the locking of the upper connecting part 211 and the lower connecting part 212 is realized, and then the position movement of the hand protection baffle 1 can be realized.

[0029] In the locking of the upper connecting part 211 and the lower connecting part 212 by the rotating buckle 221, in order to realize the alignment locking of the upper connecting part 211 and the lower connecting part 212, a locking guide column 2112 is arranged at the bottom of the upper connecting part 211, a guide groove 2121 corresponding to the locking guide column 2112 is arranged at the upper part of the lower connecting part 212, and when the locking guide column 2112 is inserted into the guide groove 2121 during the rotation of the rotating buckle 221 and the continuous approaching of the upper connecting part 211 and the lower connecting part 212, the guide groove 2121 guides and limits the locking guide column 2112, so that the upper connecting part 211 and the lower connecting part 212 continuously approach each other, thereby finally realizing the alignment locking of the upper connecting part 211 and the lower connecting part 212.

[0030] The utility model further provides a wind force fire extinguishing machine, the wind force fire extinguishing machine includes the hand guard structure that above content described, the blast pipe 3 with the air outlet of wind force fire extinguishing machine through connection.

[0031] In the utility model, "upper", "lower", "front", "rear", "left", "right" are relative positions for the convenience of describing the positional relationship, and therefore cannot be understood as absolute positions for limiting the protection scope.

[0032] In addition to the technical features described in the specification, they are known technologies of the professional technical personnel.

[0033] The preferred embodiments and examples of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments and examples, and for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the concept of the utility model, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A hand protection structure, characterized by, The hand protection assembly comprises a hand protection baffle and a clamping portion, the hand protection baffle is fixedly arranged on the clamping portion, and the clamping portion is connected with the blowing pipe of the wind fire extinguishing machine in a detachable manner.

2. A hand guard structure according to claim 1, wherein The hand protection baffle has an arc-shaped cross section.

3. A hand guard structure according to claim 2, wherein The end of the hand protection baffle away from the blowing pipe is inclined to the air outlet of the blowing pipe.

4. A hand guard structure according to claim 3, wherein The clamping portion comprises a first clamping body, and the hand protection baffle and the first clamping body are integrally injection molded.

5. A hand guard structure according to claim 4, wherein The hand protection baffle and the first clamping body are made of high-strength and high-temperature-resistant plastic material.

6. A hand protection structure according to claim 4 or 5, characterised in that The hand protection structure further comprises a handle assembly, the handle assembly comprises a handle and a handle fixing frame, the handle fixing frame is fixed on the blowing pipe in a detachable manner, the handle fixing frame is located behind the first clamping body, the handle is fixedly connected to one side of the handle fixing frame in a bolt fixing manner, and the handle is located behind the hand protection baffle.

7. A hand guard structure according to claim 6, wherein The length of the hand protection baffle is N times the length of the handle, and 1.3≤N≤2.

0.

8. A hand protection structure according to claim 7, wherein The upper part and the lower part of the opening of the first clamping body are an upper connecting portion and a lower connecting portion, respectively, a clamping assembly is arranged at the opening of the first clamping body, the clamping assembly comprises a rotating buckle, a hinge shaft and an adjusting bolt, the bottom of the rotating buckle is hingedly connected to both ends of the hinge shaft, the bottom of the rotating buckle and the hinge shaft are located in a recess provided on the upper connecting portion, the adjusting bolt is sleeved in the lower connecting portion, the upper threaded end of the adjusting bolt is connected to the middle part of the hinge shaft in a threaded connection manner, and a protrusion for locking and connecting the upper connecting portion and the lower connecting portion is arranged on one side of the bottom of the rotating buckle.

9. A hand guard structure according to claim 8, wherein A locking guide column is arranged at the bottom of the upper connecting portion, a guide groove corresponding to the locking guide column is arranged at the upper part of the lower connecting portion, the handle fixing frame comprises a second clamping body, and three groups of bolt and nut combination components are arranged at the opening of the second clamping body.

10. A wind fire extinguisher, characterized in that The hand protection structure comprises the hand protection structure according to claim 9, and the blowing pipe is connected with the air outlet of the wind fire extinguishing machine in a through connection manner.

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