CN216983805U

CN216983805U - Protective helmet

Info

Publication number: CN216983805U
Application number: CN202220274312.1U
Authority: CN
Inventors: 韩瑛; 杨心怡
Original assignee: Beijing Yinghua Hi Tech Environmental Protection Co ltd
Current assignee: Beijing Yinghua Hi Tech Environmental Protection Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-07-19
Anticipated expiration: 2032-02-10

Abstract

The utility model provides a protective helmet, relates to the field of head protection tools, and solves the problems that the helmet has single function and cannot filter particles and air pollutants; the protective helmet comprises a helmet body, wherein an air inlet part is arranged at the rear part of the helmet body, an air duct, an air suction device and a filtering assembly for purifying air are arranged in the helmet body, the filtering assembly is positioned between the air inlet part and the air suction device, the air suction device can enable external air flow to sequentially flow through the air inlet part and the filtering assembly, and the air outlet side of the filtering assembly is communicated with a face area in the helmet body through two ends of the air duct; the device during operation induced drafts, outside air current flow in proper order through the portion of admitting air, inside filtering component got into helmet body, filtering component played certain purification effect to the air, and the air after the filtering component purification filters flows to this internal facial region of helmet under the drainage effect in wind channel, and the person of wearing can be more smooth and easy inhales the air after the filtration, prevents to inhale more particulate matter, pollutant.

Description

Protective helmet

Technical Field

The utility model relates to the technical field of head protection tools, in particular to a protective helmet.

Background

The protective helmet is a personal protective article which is provided for protecting the head of a worker during the labor production process and directly protects the head.

The applicant has found that the prior art has at least the following technical problems: the protective helmet in the prior art only has the function of protecting the head, and in some industrial plants and other environments, the concentration of particles and pollutants in the air is high, the helmet in the prior art cannot filter the particles and the pollutants in the air, and a user who moves in the environment needs to additionally wear a mask.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective helmet, which aims to solve the technical problems that the helmet in the prior art has single function and cannot filter particles and air pollutants; the technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a protective helmet, which comprises a helmet body, wherein an air inlet part is arranged at the rear part of the helmet body, an air duct, an air suction device and a filtering assembly for purifying air are arranged in the helmet body, and the protective helmet comprises a helmet body, wherein:

the filter assembly is located the air inlet portion with between the device induced drafts, the device induced drafts enables external air current to flow through in proper order the air inlet portion filter assembly, the both ends in wind channel will filter assembly's air-out side with facial region in the helmet body is linked together.

Preferably, the air suction device comprises a fan, and the fan is electrically connected with an external power supply or a storage battery.

Preferably, the helmet body comprises an outer shell and an inner shell, wherein:

the inner shell is fixed in the outer shell, the air inlet part is located at the rear part of the outer shell, and the air duct is formed between the outer shell and the inner shell.

Preferably, the air duct is an arc-shaped air duct structure and is arranged around the inner shell.

Preferably, the inner shell comprises a framework and a cloth layer coated outside the framework, and the inner shell is used for being directly contacted with the head and covering the head.

Preferably, the helmet body is further provided with a breather valve, and the breather valve is communicated with the interior of the helmet body and the external environment.

Preferably, the protective helmet comprises an outer shell and a face mask for covering the face of the wearer;

the face guard with the shell body rotates to be connected, perhaps, the face guard with shell body integrated into one piece.

Preferably, the filter assembly includes at least a non-woven fabric layer, an activated carbon layer and a meltblown fabric layer which are connected to each other.

Preferably, the air inlet portion comprises a plurality of air inlet holes, and all the air inlet holes are uniformly distributed.

Preferably, all the air inlets are arranged around the central axis of the air suction device, and the apertures of the air inlets are gradually reduced along the direction far away from the central axis of the air suction device, or the apertures of all the air inlets are equal.

Compared with the prior art, the protective helmet provided by the utility model has the following beneficial effects: the device during operation induced drafts, external air current flows through the portion of admitting air in proper order, filter assembly gets into helmet body inside, filter assembly plays certain purification effect to the air, and because the both ends in wind channel are linked together filter assembly's air-out side and this internal facial region of helmet, the air after filter assembly purification filtration flows to this internal facial region of helmet under the drainage effect in wind channel, the person of wearing can be more smooth and easy inhales the air after the filtration, prevent to inhale more particulate matter, the pollutant, and the travelling comfort when guaranteeing the person of wearing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a protective helmet;

FIG. 2 is a side view schematic of a protective helmet;

FIG. 3 is a rear view of the protective helmet;

fig. 4 is a schematic cross-sectional view taken along line a-a in fig. 3.

In figure 1, a helmet body; 11. an outer housing; 12. an inner housing; 2. a face mask; 3. an air intake portion; 31. an air inlet; 4. a filter assembly; 5. a fan; 6. a charging port; 7. a PCB board; 8. an air duct; 9. a breather valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a protective helmet, so that a wearer can more smoothly suck filtered air, more particulate matters and pollutants are prevented from being sucked, and the comfort of the wearer during wearing is ensured.

The technical solution provided by the present invention is explained in more detail below with reference to fig. 1 to 4.

As shown in fig. 1-4, the present embodiment provides a protective helmet, which includes a helmet body 1, an air inlet portion 3 is disposed at the rear portion of the helmet body 1, an air duct 8, an air suction device and a filter assembly 4 for purifying air are disposed in the helmet body 1, wherein: filter assembly 4 is located air inlet portion 3 and induced drafts between the device, and the device that induced drafts enables external air current to flow through air inlet portion 3, filter assembly 4 in proper order, and the both ends in wind channel 8 are linked together the facial region in air-out side and the helmet body 1 of filter assembly 4.

The protection helmet of this embodiment, the device during operation induced drafts, external air current flows through air inlet 3 in proper order, filter assembly 4 enters into helmet body 1 inside, filter assembly 4 plays certain purification performance to the air, and because the both ends in wind channel 8 are linked together the facial region in air-out side and the helmet body 1 of filter assembly 4, the air after filter assembly 4 purifies filters flows to the facial region in helmet body 1 under the drainage effect in wind channel 8, the person of wearing can be more smooth and easy inhales the air after the filtration, prevent to inhale more particulate matter, the pollutant, and guarantee the travelling comfort when the person of wearing.

As an alternative embodiment, referring to fig. 4, the air suction device of the present embodiment includes a fan 5, and the fan 5 is electrically connected to an external power supply or a storage battery.

The fan 5 may be a micro fan in the prior art, which is not described herein in detail as the prior art. When fan 5's flabellum rotated, the outside air can get into helmet body 1 through air intake 3 in, and the flow passes through and filters subassembly 4 and filter, later flows to wearer's face under the drainage effect in wind channel 8.

Referring to fig. 4, the helmet body 1 is provided with a charging port 6 for charging a battery, and the battery is electrically connected to the fan 5 and the PCB 7.

As an alternative embodiment, referring to fig. 4, the helmet body 1 of the present embodiment includes an outer shell 11 and an inner shell 12, wherein: the inner housing 12 is fixed in the outer housing 11, the air inlet 3 is located at the rear of the outer housing 11, and the air duct 8 is formed between the outer housing 11 and the inner housing 12.

The inner housing 12 and the outer housing 11 cooperate to enclose the air outlet duct 8, as shown in fig. 2, the air outlet duct 8 is an arc-shaped air duct structure and is disposed around the inner housing 12.

The air inlet end in wind channel 8 feeds through in the air-out side of filter assembly 4 and fan 5, and the air-out end in wind channel 8 extends to the facial region in helmet body 1 to be linked together with the facial region in helmet body 1, can be with the air drainage through filter assembly 4 purification to the facial region in helmet body 1, guarantee that the person of wearing can breathe fresh air, the travelling comfort when guaranteeing to wear.

Wherein, wind channel 8 is arc wind channel structure, can prevent that the air current from forming the vortex in wind channel 8, prevents the vortex noise.

As an alternative embodiment, referring to fig. 1, the inner shell 12 of the present embodiment includes a skeleton and a cloth layer covering the skeleton, and the inner shell 12 is used for directly contacting with the head and covering the head.

Above-mentioned skeleton can be foam layer, and the travelling comfort when wearing is guaranteed to the outer cloth layer of skeleton.

As an alternative embodiment, referring to fig. 4, the helmet body 1 of the present embodiment is further provided with a breather valve 9, and the breather valve 9 communicates the interior of the helmet body 1 with the external environment.

The air inlet part 3 on the helmet body 1, the filtering component 4 in the helmet body 1 and the air duct 8 can ensure that filtered air can smoothly enter the face area in the helmet body 1, and ensure the smoothness and safety of a wearer during air suction; and breather valve 9 is located helmet body 1, can guarantee the smooth and easy nature when the person of wearing exhales, even this protective helmet is under airtight not open's the condition, also can guarantee the travelling comfort that the person of wearing breathes.

As an alternative embodiment, referring to fig. 1-4, the protective helmet of the present embodiment comprises an outer shell 11 and a face mask 2, the face mask 2 being used to cover the face of the wearer; the face mask 2 is rotatably connected to the outer shell 11, or the face mask 2 is integrally formed with the outer shell 11.

Wherein, face guard 2 is made by transparent material, guarantees that the person of wearing can observe external environment. When the mask 2 is rotatably connected with the outer shell 11, as in the conventional connecting structure of the mask 2 and the outer shell 11 in the prior art, a wearer can conveniently open the mask 2 at any time.

In this embodiment, owing to set up air inlet 3, filtering component 4 and fan 5 at helmet body 1's rear portion, the air current after the purification can flow into the facial region in helmet body 1 under the drainage effect in wind channel 8, consequently, even face guard 2 and shell body 11 integrated into one piece, respiratory smooth and easy nature when also can guaranteeing that the wearer wears, and further simplify the structure, guarantee structural strength.

As an alternative embodiment, the filter element 4 of the present embodiment includes at least a nonwoven fabric layer, an activated carbon layer, and a meltblown fabric layer, which are connected to each other. Wherein, the non-woven fabric layer has the advantages of moisture resistance, ventilation, flexibility, lightness and thinness and the like; the activated carbon layer is used for adsorbing peculiar smell; the melt-blown fabric is the most core material of the mask, the melt-blown fabric layer mainly takes polypropylene as a main raw material, has more gaps, a fluffy structure and good crease resistance, and the superfine fibers with unique capillary structures increase the number and the surface area of the fibers per unit area, so that the melt-blown fabric has good filterability, shielding property, heat insulation property and oil absorption property.

Alternatively, the filter assembly 4 of the present embodiment may further include other filter layer structures, which are not limited herein.

As an alternative embodiment, referring to fig. 2-4, the air inlet portion 3 of the present embodiment includes a plurality of air inlet holes 31, and all the air inlet holes 31 are uniformly distributed.

Under the effect of fan 5, the air current can get into helmet body 1 through inlet port 31 in to in proper order through filtering component 4, fan 5, wind channel 8, get into the facial region in helmet body 1.

As an alternative embodiment, referring to fig. 3, all the air inlet holes 31 of the present embodiment are arranged around the central axis of the air suction device, and the apertures of the air inlet holes 31 gradually decrease along a direction away from the central axis of the air suction device, or the apertures of all the air inlet holes 31 are equal, so as to ensure that the air flow can smoothly enter the helmet body 1.

The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a protective helmet, its characterized in that, includes helmet body (1), the rear portion of helmet body (1) is provided with air intake portion (3), be provided with wind channel (8), the device that induced drafts and be used for air-purifying's filter component (4) in helmet body (1), wherein:

filter component (4) are located air intake portion (3) with between the device induced drafts, the device induced drafts and enables external air current to flow through in proper order air intake portion (3) filter component (4), the both ends in wind channel (8) will the air-out side of filter component (4) with facial region in helmet body (1) is linked together.

2. A protective helmet according to claim 1, wherein the air suction means comprise a fan (5), said fan (5) being electrically connected to an external power source or to a battery.

3. A protective helmet according to claim 1, wherein the helmet body (1) comprises an outer shell (11) and an inner shell (12), wherein:

the inner shell (12) is fixed in the outer shell (11), the air inlet part (3) is positioned at the rear part of the outer shell (11), and the air duct (8) is formed between the outer shell (11) and the inner shell (12).

4. A protective helmet according to claim 3, wherein the air duct (8) is of arcuate air duct (8) construction and is disposed around the inner shell (12).

5. A protective helmet according to claim 3, wherein the inner shell (12) comprises a skeleton and a cloth layer covering the skeleton, the inner shell (12) being adapted to be in direct contact with the head and to cover the head.

6. A protective helmet according to claim 1, wherein the helmet body (1) is further provided with a breather valve (9), the breather valve (9) communicating the interior of the helmet body (1) with the external environment.

7. A protective helmet according to claim 1, wherein the protective helmet comprises an outer shell (11) and a visor (2), the visor (2) being adapted to cover the face of a wearer;

the face guard (2) is rotatably connected with the outer shell (11), or the face guard (2) and the outer shell (11) are integrally formed.

8. A protective helmet according to claim 1, wherein the filter assembly (4) comprises at least a non-woven fabric layer, an activated carbon layer and a meltblown layer, which are connected to each other.

9. A protective helmet according to claim 1, wherein the air intake (3) comprises a plurality of air intake apertures (31), all of the air intake apertures (31) being evenly distributed.

10. A protective helmet according to claim 9, characterized in that all the air intake holes (31) are arranged around the central axis of the air suction means and the aperture of the air intake holes (31) decreases progressively in a direction away from the central axis of the air suction means, or the aperture of all the air intake holes (31) is equal.