CN210409276U - Air curtain type protective cap - Google Patents
Air curtain type protective cap Download PDFInfo
- Publication number
- CN210409276U CN210409276U CN201920224443.7U CN201920224443U CN210409276U CN 210409276 U CN210409276 U CN 210409276U CN 201920224443 U CN201920224443 U CN 201920224443U CN 210409276 U CN210409276 U CN 210409276U
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- Prior art keywords
- air curtain
- cap body
- air
- side wall
- curtain type
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- Respiratory Apparatuses And Protective Means (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
The utility model provides an air curtain type protective cap, which comprises a hollow cap body, a connecting pipe and an air curtain outlet, wherein one end of the connecting pipe is communicated with the cap body, and the other end is connected with an air source; the air curtain outlet is communicated with the cap body, and the air curtain outlet is arranged along the front edge of the cap body and extends downwards from the front edge of the cap body. The utility model has the advantages that the structure is simple, the wearing is convenient, the paint mist in the air can be effectively isolated from the user by arranging the air curtain outlet at the front edge of the hollow cap body, and the fresh air is directly sent into the breathing area of the human body, so that the protection effect is better; the protective cap has no contact with the face of a person, the visual field is clear when the protective cap is used, and the operation is not influenced.
Description
Technical Field
The utility model relates to a production protection technical field especially relates to an air curtain type helmet.
Background
Most of the existing paint spray rooms are closed environments, a large amount of paint mist is diffused in the air, the paint mist contains a plurality of volatile organic compounds such as benzene and toluene, the paint mist is very easy to be sucked into respiratory tracts by workers in paint spraying operation, and the toxic gases are continuously accumulated in the bodies of the workers and can seriously harm central nervous systems and hematopoietic systems of brains, spinal cords and the like of people after being accumulated to a certain degree, so that the workers are poisoned and suffer from aplastic anemia, and the personal health of the workers is seriously threatened. Although the existing paint spray booth is mostly provided with a ceiling fresh air static pressure box and sends fresh air, the protection effect of the existing paint spray booth on workers is limited, and the workers still need to wear personal protection devices. Conventional respiratory protection devices, such as filtering masks, have limited filtering effects on such volatile organic compounds, while respirators are banned by most workers due to their bulkiness, stuffiness, poor visibility, and low comfort. Therefore, a portable protective device with good protection effect is needed to ensure the personal health and safety of workers.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to solve the technical problem that an air curtain type helmet that easily wears and protecting effect is good is provided.
The utility model provides an air curtain type protective cap, which comprises a hollow cap body, a connecting pipe and an air curtain outlet, wherein one end of the connecting pipe is communicated with the cap body, and the other end is connected with an air source; the air curtain outlet is communicated with the cap body, and the air curtain outlet is arranged along the front edge of the cap body and extends downwards from the front edge of the cap body.
Preferably, the connecting pipe is a plastic corrugated hose.
Preferably, the cap comprises an outer shell and an inner shell.
Preferably, the distance between the outer and inner shells is not less than 10 mm.
Preferably, the housing is provided with an air inlet, and one end of the connecting pipe is connected with the air inlet.
Preferably, an air volume adjusting valve is arranged on the air inlet.
Preferably, the air curtain outlet comprises an outer side wall and an inner side wall, the outer side wall is connected with the outer shell, and the inner side wall is connected with the inner shell.
Preferably, a horizontal visor is further provided on the outer shell at the leading edge of the cap body.
Preferably, the outer side wall is perpendicular to the visor, and an included angle of 5-15 degrees is formed between the inner side wall and the outer side wall.
Preferably, the cap body is further provided with a cap belt.
The utility model has the advantages that the structure is simple, the wearing is convenient, the paint mist in the air can be effectively isolated from the user by arranging the air curtain outlet at the front edge of the hollow cap body, and the fresh air is directly sent into the breathing area of the human body, so that the protection effect is better; the protective cap has no contact with the face of a person, the visual field is clear when the protective cap is used, and the operation is not influenced.
Drawings
FIG. 1 is a schematic view of the air curtain type helmet of the present invention;
FIG. 2 is a side sectional view of the air curtain type helmet of the present invention;
fig. 3 is a bottom view of the air curtain type helmet of the present invention.
Element number description:
1 Cap body
1-1 outer cover
1-2 inner shell
2 brim of hat
3 air curtain outlet
3-1 outer side wall
3-2 inner side wall
4 hat band
5 air volume adjusting valve
6 air inlet
7 connecting pipe
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides an air curtain type helmet, as shown in figure 1, including the hollow cap body 1, connecting pipe 7 and air curtain export 3, the one end and the cap body 1 of connecting pipe 7 are linked together, and the other end is connected with the air source (not shown), and the air source can be new trend static pressure case or clean air compressor. An air curtain outlet 3 is in communication with the cap 1, the air curtain outlet 3 being disposed along the leading edge of the cap 1, preferably in the shape of a semi-circular arc, and extending downwardly from the leading edge of the cap 1 a distance to gather and accelerate air to form an air curtain. Preferably not less than 10mm, but without affecting the wearer's line of sight. The connecting pipe 7 can be a plastic corrugated hose, can be stretched and bent at will, and is convenient for a wearer to work and walk. The cap body 1 is also provided with a cap belt 4, which is convenient to wear.
As shown in figures 2 and 3, in an embodiment of the present invention, the cap body 1 comprises an outer shell 1-1 and an inner shell 1-2, the outer shell 1-1 is opened with an air inlet 6, one end of a connecting pipe 7 is connected with the air inlet 6, the air inlet 6 is provided with an air volume adjusting valve 5. the distance between the outer shell 1-1 and the inner shell 1-2 is not less than 10mm, so as to ensure that sufficient air can pass through the cap body 1 and form an air curtain at the air curtain outlet 3. the air curtain outlet 3 comprises an outer side wall 3-1 and an inner side wall 3-2, the outer side wall 3-1 is connected with the outer shell 1-1, the inner side wall 3-2 is connected with the inner shell 1-2. a horizontal brim 2 is further provided on the outer shell 1-1 at the front edge of the cap body 1, the outer side wall 3-1 is perpendicular to the brim 2, the lower end of the inner side wall 3-2 is inclined, an included angle β of 5-15 ° is formed between the outer side wall 3-1. the air curtain β is favorable for forming a faster flow rate, particularly 0.6-1.2 m/s air curtain, and increases the distance between the air curtain and the air can be worn by a temperature of a wearer, and the air can preferably block the head temperature of the volatile matter entering the wearer.
In summary, the utility model has the advantages that the structure is simple, the wearing is convenient, the paint mist in the air can be effectively isolated from the user by arranging the air curtain outlet at the front edge of the hollow cap body, and the fresh air is directly sent into the breathing area of the human body, so that the protection effect is better; the protective cap has no contact with the face of a person, the visual field is clear when the protective cap is used, and the operation is not influenced.
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 regarded as the protection scope of the present invention.
Claims (6)
1. An air curtain type protective cap is characterized by comprising a hollow cap body (1), a connecting pipe (7) and an air curtain outlet (3), wherein one end of the connecting pipe (7) is communicated with the cap body (1), and the other end of the connecting pipe is connected with an air source; the air curtain outlet (3) is communicated with the cap body (1), and the air curtain outlet (3) is arranged along the front edge of the cap body (1) and extends downwards from the front edge of the cap body (1); the cap body (1) comprises an outer shell (1-1) and an inner shell (1-2), the air curtain outlet (3) comprises an outer side wall (3-1) and an inner side wall (3-2), the outer side wall (3-1) is connected with the outer shell (1-1), the inner side wall (3-2) is connected with the inner shell (1-2), a horizontal brim (2) is further arranged on the outer shell (1-1) at the front edge of the cap body (1), the outer side wall (3-1) is perpendicular to the brim (2), and an included angle of 5-15 degrees is formed between the inner side wall (3-2) and the outer side wall (3-1).
2. Air curtain type helmet according to claim 1, characterized in that the connecting tube (7) is a plastic corrugated hose.
3. Air curtain type helmet according to claim 1, characterized in that the distance between the outer shell (1-1) and the inner shell (1-2) is not less than 10 mm.
4. Air curtain type helmet according to claim 1, characterized in that said outer shell (1-1) is provided with an air inlet (6), and one end of said connecting tube (7) is connected to said air inlet (6).
5. Air curtain type helmet according to claim 4, characterized in that said air inlet (6) is provided with an air volume regulating valve (5).
6. The air curtain type helmet according to claim 1, characterized in that the helmet body (1) is further provided with a helmet belt (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920224443.7U CN210409276U (en) | 2019-02-22 | 2019-02-22 | Air curtain type protective cap |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920224443.7U CN210409276U (en) | 2019-02-22 | 2019-02-22 | Air curtain type protective cap |
Publications (1)
Publication Number | Publication Date |
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CN210409276U true CN210409276U (en) | 2020-04-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920224443.7U Active CN210409276U (en) | 2019-02-22 | 2019-02-22 | Air curtain type protective cap |
Country Status (1)
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CN (1) | CN210409276U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111486524A (en) * | 2020-05-08 | 2020-08-04 | 重庆工业职业技术学院 | Indoor fresh air system helpful for preventing and controlling new coronary pneumonia |
CN111997420A (en) * | 2020-08-21 | 2020-11-27 | 杭州震易机床有限公司 | Nursing ward for respiratory infectious diseases |
-
2019
- 2019-02-22 CN CN201920224443.7U patent/CN210409276U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111486524A (en) * | 2020-05-08 | 2020-08-04 | 重庆工业职业技术学院 | Indoor fresh air system helpful for preventing and controlling new coronary pneumonia |
CN111997420A (en) * | 2020-08-21 | 2020-11-27 | 杭州震易机床有限公司 | Nursing ward for respiratory infectious diseases |
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