CN217886825U - Flow guide structure of protective hood - Google Patents
Flow guide structure of protective hood Download PDFInfo
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- CN217886825U CN217886825U CN202221962710.9U CN202221962710U CN217886825U CN 217886825 U CN217886825 U CN 217886825U CN 202221962710 U CN202221962710 U CN 202221962710U CN 217886825 U CN217886825 U CN 217886825U
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- flow guide
- air inlet
- guide section
- air
- head
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Abstract
The utility model relates to the technical field of respirator systems, and discloses a flow guide structure of a protective hood, which comprises a hood body and flow guide cloth; the front part of the hood body is provided with a goggle opening for accommodating goggles, and the rear part of the hood body is provided with an air inlet; the third flow guide section corresponds to the air inlet and forms an air inlet cavity, flow guide air channels are formed between the first flow guide section and the hood body, the second flow guide section and the hood body, one end of each flow guide air channel is communicated with the air inlet cavity, and the other end of each flow guide air channel extends and is close to the opening of the goggles; the utility model discloses can cushion and disperse the inside air current that gets into the hood body through the air inlet, avoid the air current to blow directly the person's of wearing head, promote the person's of wearing use comfort level.
Description
Technical Field
The utility model relates to a technical field respirator technical field of system, especially protection hood's water conservancy diversion structure.
Background
Respirator systems are commonly used to assist a user in breathing in environments containing dust, smoke, vapor, and/or gas; respirator systems vary in size and size for a variety of uses in military, industrial, and public spaces; respirator systems include, but are not limited to, a respirator hood and a respirator head cover, which typically comprise a soft, flexible material suitable for use in a wearing environment; respirator systems typically include a visor or face shield that may have any suitable configuration to provide a user with a suitable substantially unrestricted view of the surrounding environment.
Chinese patent [ application number: CN200880117689.9 discloses a respirator system comprising a head cover assembly, a visor assembly and a head suspension system. Wherein the head cover assembly includes a head covering member and a face seal, the head covering member may include: an air inlet for cooperation with an air supply system; a head opening for receiving a user's head; and a visor opening for receiving a visor assembly; this patent does not have water conservancy diversion structure, when the air current that results in air supply system passes through the air inlet and gets into the inside of headgear component, this air current can blow directly the wearer's head, reduces wearer's comfort in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a water conservancy diversion structure of protection hood, it can cushion and disperse the inside air current that gets into the hood body, avoids the air current to blow directly the person's of wearing head, promotes the person's of wearing use comfort.
In order to achieve the purpose, the utility model provides a flow guiding structure of a protective head cover, which comprises a head cover body and flow guiding cloth; the front part of the hood body is provided with a goggle opening for accommodating goggles, and the rear part of the hood body is provided with an air inlet.
The flow guide cloth is arranged on the inner surface of the hood body and comprises a first flow guide section, a second flow guide section and a third flow guide section which is respectively connected with the first flow guide section and the second flow guide section; the third flow guide section corresponds to the air inlet and forms an air inlet cavity, flow guide air channels are formed between the first flow guide section and the second flow guide section and the hood body, one end of each flow guide air channel is communicated with the air inlet cavity, and the other end of each flow guide air channel extends to be close to the goggle opening.
Preferably, the head cover body includes a head covering member and a face seal connected to the head covering member.
Further, the head covering member is provided with a head opening for the head of the wearer to enter and exit.
Further, the outer periphery of the face seal is configured to be at least partially positioned under the chin of the wearer.
Still further, the face seal has a resilient member disposed along an outer periphery of the face seal.
Still further, the face seal has an air permeable mesh at a location thereof corresponding to a chin portion of the wearer.
Preferably, the breathable mesh fabric is a breathable non-woven fabric with micropores, and the breathable non-woven fabric has the characteristics of moisture resistance, breathability, flexibility, lightness, thinness, flame retardance, no toxicity, no odor, low price, recyclability and the like.
Preferably, the flow guide structure further comprises an air inlet joint arranged on the air inlet.
Preferably, the guide cloth is a breathable non-woven fabric with micropores, when airflow flows to the opening of the goggles along the air inlet cavity and the guide air duct, a part of the airflow can flow to the head of a wearer through the micropores of the breathable non-woven fabric, a cool feeling is given to the wearer, and the use comfort of the wearer is improved.
Compared with the prior art, the utility model provides a, its beneficial effect lies in: through air inlet chamber and the water conservancy diversion wind channel that the lateral surface of water conservancy diversion cloth and the inner wall of hood body constitute can be to following the air inlet gets into the inside air current of hood body and cushions and the dispersion to air current from the back of the wearer head of brain department water conservancy diversion extremely the goggles opening part avoids the air current to blow directly the wearer's head, promotes and wears the travelling comfort.
Drawings
Fig. 1 is a perspective view of a first angle of a flow guiding structure of a protective head cover according to an embodiment of the present invention;
fig. 2 is a perspective view of a second angle of a flow guiding structure of a protective head cover according to an embodiment of the present invention;
FIG. 3 is a perspective view of a hood body according to an embodiment of the present invention;
fig. 4 is a perspective view of a third angle of a diversion structure of a protective head cover according to an embodiment of the present invention;
FIG. 5 is a half-sectional view of FIG. 4;
fig. 6 is a three-dimensional structure diagram of an assembly relationship between the head covering member and the guide cloth according to an embodiment of the present invention;
fig. 7 is a perspective view of a first angle of a flow guide cloth according to an embodiment of the present invention;
fig. 8 is a perspective view of a second angle of the flow guide cloth according to an embodiment of the present invention.
In the figure, 1, a hood body; 11. a head covering member; 12. a face seal; 111. an air inlet; 112. a head opening; 113. a goggle opening; 121. an outer periphery; 122. an elastic member;
2. flow guiding cloth; 21. a first flow guide section; 22. a second flow guide section; 23. a third flow guide section;
3. goggles;
4. an air inlet joint;
101. a first fixing member; 102. a second fixing member;
200. an air inlet cavity.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1-2, an embodiment of the present invention provides a flow guiding structure of a protective head cover, which comprises a head cover body 1 and a flow guiding cloth 2.
As shown in fig. 3, the hood body 1 according to the present embodiment includes a head covering member 11 and a face seal 12 connected to the head covering member 11. The head covering member 11 is configured to be attached to the head and ears of the wearer, and other head covering members may be disposed to cover the ears of the wearer. The head covering member 11 is made of any suitable flexible material known in the art suitable for the intended purpose. For example, the headgear member 11 may be used in the medical, military, and nuclear industries, and any other related industries and for any other suitable purpose; the head covering member 11 is foldable, and the head covering member 11 may include, but is not limited to, non-woven materials such as fabrics made of polyethylene, polypropylene, etc., and woven materials such as nylon or coated nylon, etc.
The rear portion of the head covering member 11 is provided with an air inlet 111 for fitting with an air supply system, the head covering member 11 is provided with a head opening 112 for the head of the wearer to go in and out, and the front portion of the head covering member 11 is provided with a goggle opening 113 for accommodating the goggle 3. By means of the hood body 1 and the visor 3, an outer shell can be formed which separates the breathing zone or the inner gas space from the surrounding outer gas space.
The face seal 12 may be disposed adjacent the head opening 112 to conform to the wearer's face and help isolate the breathing zone from the external environment; the face seal 12 may be sewn into the head covering member 11.
The face seal 12 is made of a soft material because it needs to be in contact with the wearer's skin. The face seal 12 may be at least partially resilient so that it can move with the user's chin when the user is talking; the elastic properties allow the face seal 12 to securely fit over the face or chin of the user after stretching.
The outer periphery 121 of the face seal 12 is configured to be at least partially positioned under the chin of the wearer, the face seal 12 having a resilient member 122 disposed along the outer periphery 121 of the face seal 12, the resilient member 122 having at least some degree of sealing effectiveness or integrity to reduce or minimize air leakage into the breathing zone; the face seal 12 has an air-permeable mesh cloth 123 at its position corresponding to the chin portion of the wearer; the breathable mesh fabric 123 has micropores, so that gas can flow out of the micropores under the condition of positive pressure in the hood.
As shown in fig. 7 to 8, the flow guide cloth 2 of the present embodiment is in a "U" shape and includes a first flow guide section 21, a second flow guide section 22, and a third flow guide section 23 respectively connecting the first flow guide section 21 and the second flow guide section 22.
Referring to fig. 1, 2, 4, 5 and 6, the third flow guiding section 23 corresponds to the air inlet 111 and forms an air inlet cavity 200, flow guiding air ducts are formed between the first flow guiding section 21 and the second flow guiding section 22 and the hood body 1, and one end of each flow guiding air duct is communicated with the air inlet cavity 200, and the other end of each flow guiding air duct extends and is close to the goggle opening 113.
The first flow guide section 21 is fixed with the hood body 1 through a first fixing piece 101; the second flow guide section 22 is fixed with the hood body 1 through a second fixing part 102; one side of the third guide section 23 close to the air inlet 111 is fixed to the outer edge of the air inlet 111 close to the front of the hood body 1.
The first fixing member 101 and the second fixing member 102 are both cramps.
Based on this scheme, through the chamber 200 and the water conservancy diversion wind channel of admitting air that the lateral surface of water conservancy diversion cloth 2 and the inner wall of hood body 1 constitute, can be to following the air-intake joint 4 gets into the inside air current of hood body 1 and cushions and the dispersion to the air current is from the back of the wearer brain spoon of department water conservancy diversion extremely goggles opening 113 department, avoids the air current to blow directly the wearer's head, promotes and wears the travelling comfort.
The water conservancy diversion cloth 2 is ventilative non-woven fabrics, because ventilative performance of ventilative non-woven fabrics, flows to along admitting air chamber 200 and water conservancy diversion wind channel at the air current during goggles opening 113 department, partly air current can flow to the wearer's head through the micropore of ventilative non-woven fabrics, gives the cool sensation of wearer, promotes the use travelling comfort of wearer.
Referring to fig. 2 and 6, the first fixing member 101 and the second fixing member 102 are disposed on the inner wall of the front portion of the head covering member 11.
In an embodiment, referring to fig. 1 and 3, the flow guiding structure further includes an air inlet joint 4 disposed at the air inlet 111, and the hood body 1 is matched with an air supply system through the air inlet joint 4.
To sum up, the embodiment of the utility model provides a water conservancy diversion structure of protection hood has following beneficial effect:
1. through air inlet cavity 200 and the water conservancy diversion wind channel that the lateral surface of water conservancy diversion cloth 2 and the inner wall of hood body 1 constitute can be to following air inlet 111 gets into the inside air current of hood body 1 and cushions and the dispersion to locate the water conservancy diversion extremely to goggles opening 113 from the person's of wearing back head, avoid the air current to blow directly the person's of wearing head, promote and wear the travelling comfort.
2. By providing the resilient member 122 at the outer periphery 121 of the face seal 12, the resiliency of the resilient member 122 may be utilized to provide some sealing to reduce or minimize air leakage into the breathing zone.
3. By having the breathable mesh cloth 123 at the position of the face seal 12 corresponding to the chin of the wearer, gas can be made to flow out of the breathable mesh cloth 123 at positive pressure of the hood body 1.
4. Adopt ventilative non-woven fabrics material preparation water conservancy diversion cloth, at the air current along admitting air chamber 200 and water conservancy diversion wind channel flow extremely during goggles opening 113 department, partly air current can flow to the wearer's head through the micropore of ventilative non-woven fabrics, gives the cool sensation of wearer, promotes the use travelling comfort of wearer.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.
Claims (8)
1. A flow guide structure of a protective head cover is characterized by comprising:
the novel helmet comprises a helmet body, a safety helmet and a safety helmet, wherein the front part of the helmet body is provided with a goggle opening for accommodating goggles, and the rear part of the helmet body is provided with an air inlet;
the flow guide cloth is arranged on the inner surface of the hood body and comprises a first flow guide section, a second flow guide section and a third flow guide section which is respectively connected with the first flow guide section and the second flow guide section; the third flow guide section corresponds to the air inlet and forms an air inlet cavity, flow guide air channels are formed between the first flow guide section and the second flow guide section and the hood body, one end of each flow guide air channel is communicated with the air inlet cavity, and the other end of each flow guide air channel extends to be close to the goggle opening.
2. The flow directing structure of claim 1, wherein the hood body comprises a head covering member and a face seal connected to the head covering member.
3. The flow directing structure of claim 2, wherein the head covering member is provided with a head opening for ingress and egress of the head of the wearer.
4. The baffle structure of claim 2 wherein the outer periphery of the face seal is configured to be at least partially positioned under the chin of a wearer.
5. The flow directing structure of claim 4, wherein the face seal has a resilient member disposed along an outer periphery of the face seal.
6. The structure of claim 4, wherein the face seal has an air permeable mesh at a location thereof corresponding to a chin portion of the wearer.
7. The flow guide structure according to any one of claims 1 to 6, further comprising an air inlet joint provided to the air inlet.
8. The structure of any of claims 1-6, wherein the baffle cloth is a breathable nonwoven fabric with micropores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221962710.9U CN217886825U (en) | 2022-07-27 | 2022-07-27 | Flow guide structure of protective hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221962710.9U CN217886825U (en) | 2022-07-27 | 2022-07-27 | Flow guide structure of protective hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217886825U true CN217886825U (en) | 2022-11-25 |
Family
ID=84137469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221962710.9U Active CN217886825U (en) | 2022-07-27 | 2022-07-27 | Flow guide structure of protective hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217886825U (en) |
-
2022
- 2022-07-27 CN CN202221962710.9U patent/CN217886825U/en active Active
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