WO2021212831A1 - Appareil respiratoire - Google Patents

Appareil respiratoire Download PDF

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Publication number
WO2021212831A1
WO2021212831A1 PCT/CN2020/131881 CN2020131881W WO2021212831A1 WO 2021212831 A1 WO2021212831 A1 WO 2021212831A1 CN 2020131881 W CN2020131881 W CN 2020131881W WO 2021212831 A1 WO2021212831 A1 WO 2021212831A1
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WO
WIPO (PCT)
Prior art keywords
deformable clamping
section
clamping strip
mask body
breathing apparatus
Prior art date
Application number
PCT/CN2020/131881
Other languages
English (en)
Chinese (zh)
Inventor
李成
朱秀梅
唐磊
谢湘
陈平绪
叶南飚
袁志敏
Original Assignee
金发科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 金发科技股份有限公司 filed Critical 金发科技股份有限公司
Publication of WO2021212831A1 publication Critical patent/WO2021212831A1/fr

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084—Means for fastening gas-masks to heads or helmets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask

Definitions

  • the invention relates to the field of protective devices, in particular to a breathing device.
  • the breathing device including the mask body has become a device with high practical value, and the breathing device is on the nose and mouth of the user.
  • the contaminated ambient air is separated from the inside of the mask through the filtering structure, and objects containing particles, germs, etc. are blocked on the mask body to protect individuals from inhaling pollutants in the surrounding environment.
  • a foldable breathing apparatus is a type with excellent performance, and the mask body can be folded to provide convenience for carrying.
  • people set sutures on the center line of the mask to make the mask body deform outward.
  • the stitching line is formed by laser welding, ultrasonic welding, etc. to form a welding section to achieve the stitching effect.
  • the prior art has drawbacks.
  • the foldable breathing apparatus on the market has only one clamping strip, which limits the orientation of the breathing apparatus.
  • This limitation is obvious for users of different genders and ages with different facial shapes.
  • Different face shapes and different usage habits make users have a certain demand for the diversity of wearing masks.
  • the face shape in the nose area is small, so that the pressure strips on the nose can’t press the mask body well on the face. You can only buy a specific type of breathing device. In some cases, due to supply restrictions, some people may even be difficult to buy. Suitable breathing apparatus.
  • the foldable breathing device has only one clamping strip, which is set above the mask body, which has a tightness defect for users with different facial shapes, especially some facial jaws with receding jaws, or thin-face jaws that are not rounded , There is a defect that the lower jaw is not tightly sealed, which seriously reduces the protective effect of the breathing device.
  • the foldable breathing apparatus on the market only relies on the non-woven fabric layer and filter layer of the mask body to provide the mask body shape support. Due to the flexibility of the cloth layer, it is not enough to maintain the three-dimensional structure of the mouth and nose of the breathing apparatus. The user feels pressure on the nose and mouth.
  • the clamping piece of the mask adopts a built-in design.
  • the built-in clamping piece deforms as the mask strap is pulled, which cannot effectively seal the nose, and the protective effect is poor.
  • Some prior art uses an external clamping piece design, but completely fixing the clamping piece on the outside of the outer non-woven fabric has similar defects.
  • the present invention provides a breathing apparatus.
  • the specific technical solutions are as follows:
  • a breathing apparatus including:
  • a mask body with filtering characteristics comprising a first part on one side of the center line and a second part on the other side of the center line, the first part and the second part are configured to be foldable along the center line;
  • a belt assembly is connected to the mask body and used to hold the mask body on the user's face;
  • the first deformable clamping bar and the second deformable clamping bar, the first deformable clamping bar and the second deformable clamping bar respectively cross the center line from the first part and extend to the the second part;
  • one of the first deformable clamping strip and the second deformable clamping strip is configured to clamp the mask body to the nose of the user through deformation
  • the first deformable clamping strip And the other of the second deformable clamping bar is configured to clamp the mask body to the chin of the user through deformation
  • the centerline of the mask body includes a first section centerline, a second section centerline, and a third section centerline.
  • the outer surface of the mask body is provided with a center line along the first section.
  • a first welding section extending along the line and a second welding section extending along the center line of the second section;
  • the first welding section extends to the first edge of the mask body, the first welding section has a length of 6.3-6.9cm, the second welding section has a length of 6.2-6.8cm, and the second welding section has a length of 6.2-6.8cm.
  • the distance between the welding section and the second edge of the mask body is 5.5-6.1 cm, and the first edge and the second edge are edges on two opposite sides of the upper and lower sides;
  • the first deformable clamping bar is adjacent to the first edge
  • the second deformable clamping bar is adjacent to the second edge
  • the first deformable clamping bar crosses the first part from the first edge.
  • the centerline of the first section extends to the second section
  • the second deformable clamping strip crosses the centerline of the third section from the first section and extends to the second section.
  • the angle between the centerline of the first section and the centerline of the second section is 120°-140°, and the centerline of the third section is relative to the centerline of the second section.
  • the included angle is 130°-150°, and the first deformable clamping bar is externally placed on the first welding section.
  • the first deformable clamping bar is parallel to the first edge, and the first deformable clamping bar is 0-2 cm away from the first edge;
  • the second deformable clamping bar is parallel to the second edge, and the second deformable clamping bar is 0-2 cm away from the second edge.
  • the included angle between the centerline of the first section and the centerline of the second section is 125°-135°, and the centerline of the third section is relative to the centerline of the second section. The angle between them is 135°-145°.
  • one end of the first deformable clamping strip is fixedly connected to the first part, and the other end of the first deformable clamping strip is fixedly connected to the second part;
  • the middle part of the first deformable clamping strip is fixedly connected to the first welding section.
  • the first part and the second part are a smooth transition connection without a welded section at the center line of the third section.
  • the second deformable clamping strip is embedded in the mask body.
  • the second deformable clamping strip is externally placed on the mask body.
  • one end of the second deformable clamping strip is fixedly connected to the first part, and the other end of the second deformable clamping strip is fixedly connected to the second part;
  • the middle portion of the second deformable clamping strip is fixedly connected to the mask body at the center line of the third section.
  • the first deformable clamping strip is a rectangular strip or a symmetrical shape with wider ends and thinner middle parts;
  • the second deformable clamping strip is a rectangular strip or a symmetrical shape with wider ends and thinner middle parts.
  • the length of the first deformable clamping strip is 5.5-12 cm, the width is 0.2-1 cm, and the thickness is 0.03-0.5 cm;
  • the length of the second deformable clamping strip is 3.5-14 cm, the width is 0.15-1.2 cm, and the thickness is 0.02-0.7 cm.
  • the length of the fixed position of the first deformable clamping strip and the mask body is 0.3-0.8 cm.
  • the length of the fixed position of the second deformable clamping strip and the mask body is 0.3-0.8 cm.
  • the strap assembly includes a head strap for hanging from the head or an ear strap for hanging from the ears.
  • the mask body includes an outer layer of non-woven fabric, an inner layer of non-woven fabric, and at least one intermediate filter layer.
  • the intermediate filter layer includes a melt blown fiber filter layer and/or an absorbent material filter layer.
  • the materials of the first deformable clamping strip and the second deformable clamping strip are selected from plastic deformability metals or synthetic resins, or a combination of metals and resins.
  • one of the first deformable clamping strip and the second deformable clamping strip is configured to clamp the mask body to the nose of the user through deformation
  • the other of the holding bars is configured to clamp the mask body to the chin of the user through deformation.
  • the second deformable clamping bar crosses the center line of the third section from the first section and extends to the second section, and the first welding section extends To the first edge of the mask body, the length of the first welding section is 6.3-6.9cm, the length of the second welding section is 6.2-6.8cm, and the distance between the second welding section and the second edge of the mask body is 5.5-6.1 cm, the first edge and the second edge are the edges on the opposite sides of the upper and lower sides.
  • the design of a specific length makes the breathing device suitable for different face shapes, increasing the choices of users with different face shapes.
  • the first section of the centerline and the first deformable clamping strip can be worn upwards to act on the user’s nose.
  • the third section of the centerline And the second deformable clamping strip is worn downward and acts on the user's jaw to achieve the best fit and comfort.
  • the first section of the center line and the first deformable clamping strip can be worn downward to act on the user’s lower jaw.
  • the third The segment centerline and the second deformable clamping strip are worn upwards and act on the user's nose to achieve the best fit and comfort. Therefore, the breathing apparatus based on the present invention can achieve the best adhesion and comfort by changing the wearing direction.
  • the angle between the centerline of the first section and the centerline of the second section is 120°-140°
  • the angle between the centerline of the third section and the centerline of the second section is 130°-150°
  • the first deformable clamping strip is placed outside the first welding section.
  • the first welding section helps to support and maintain the three-dimensional structure of the nasal cavity of the mask, and the setting of the specific angle range between the three centerlines has a linkage effect with the first welding section and the second welding section, and more
  • the ergonomic design improves the pressure of the mouth and nose that the mask may cause to various face shapes, and the mask body has better tightness and protection.
  • the first deformable clamping strip is not easily deformed, thereby more effectively sealing the nose and protecting Better results.
  • the centerline of the third section of the mask body is a smooth transition without welding section, it can be better when the first deformable clamping strip acts on the user’s nose and the second deformable clamping strip acts on the user’s jaw. It fits the skin of the mandible, solves the problem of non-fitting of the mandible caused by the setting of the mandibular suture, and improves the tightness of the mandible.
  • Figure 1 is a side view of the breathing apparatus in embodiment 1;
  • Figure 2 is a front view of the breathing apparatus in Example 1;
  • FIG. 3 is a partial schematic diagram of the breathing apparatus in embodiment 1;
  • Figure 4 is a front view of the breathing apparatus in Embodiment 2;
  • FIG. 5 is a partial schematic diagram of the breathing apparatus in Embodiment 2.
  • FIG. 5 is a partial schematic diagram of the breathing apparatus in Embodiment 2.
  • this embodiment provides a breathing apparatus, which includes a mask body 1, a belt assembly 8, a first deformable clamping strip 7 and a second deformable clamping strip 11.
  • the mask body 1 has filtering characteristics.
  • the mask body 1 includes an outer layer of non-woven fabric, an inner layer of non-woven fabric, and at least one intermediate filter layer.
  • the outer non-woven fabric, the inner non-woven fabric and the middle filter layer are all air-permeable, allowing users to breathe air.
  • the inner non-woven fabric has a lower basis weight to maintain skin affinity
  • the outer non-woven fabric has a higher basis weight to maintain the shape of the facade.
  • the middle filter layer is the main filter structure through fiber structure and electret effect. Efficient filtration of germs or particles in the air.
  • the intermediate filter layer is 2 layers, 3 layers or more.
  • the intermediate filter layer includes a melt-blown fiber filter layer, such as a melt-blown fiber filter layer made of propylene hydrocarbon material.
  • the intermediate filter layer includes an adsorbent material filter layer, and an active adsorbent material, such as activated carbon, is arranged in the adsorbent material filter layer.
  • an active adsorbent material such as activated carbon
  • the middle filter layer is more than one layer, the meltblown fiber filter layer and the absorbent material filter layer can be used in combination.
  • the mask body 1 includes a first part 101 on one side of the center line and a second part 102 on the other side of the center line.
  • the first part 101 and the second part 102 are configured to be foldable along the center line.
  • the deformable clamping strip 7 and the second deformable clamping strip 11 respectively cross the center line from the first part 101 and extend to the second part 102.
  • one of the first deformable clamping strip 7 and the second deformable clamping strip 11 is configured to clamp the mask body 1 to the nose of the user through deformation
  • the first deformable clamping strip 7 and the second deformable clamping strip 7 The other of the deformable clamping bars 11 is configured to clamp the mask body 1 to the chin of the user through deformation.
  • the material of the first deformable clamping strip 7 and the second deformable clamping strip 11 is selected from plastically deformable metal (such as iron or aluminum) or synthetic resin (such as polyethylene), or metal and resin Compositions.
  • the single nose clamping strip is improved to the upper and lower double clamping strips design.
  • both the nose of the user and the The lower jaw of the user is compressed to improve the adhesion of the mask body 1 as a whole, thereby improving the protective effect, which is a significant improvement compared with the prior art.
  • the centerline of the mask body 1 includes a first section centerline 2, a second section centerline 3, and a third section centerline 4.
  • the outer surface of the mask body 1 is provided with a first weld extending along the first section centerline 2 Section 5 and a second welding section 6 extending along the centerline 3 of the second section.
  • the first deformable clamping strip 7 is adjacent to the first edge
  • the second deformable clamping strip 11 is adjacent to the second edge.
  • the first deformable clamping bar 7 extends from the first part 101 across the first section centerline 2 and extends to the second section 102
  • the second deformable clamping bar 11 extends from the first section 101 across the third section centerline 4 and extends Go to the second part 102.
  • first welding section 5 extends to the first edge of the mask body 1, and the length of the first welding section 5 is 6.3-6.9 cm, for example 6.6 cm.
  • the length of the second welding section 6 is 6.2-6.8 cm, for example 6.5 cm.
  • the distance between the second welding section 6 and the second edge of the mask body 1 is 5.5-6.1 cm, for example 5.8 cm.
  • the first edge and the second edge are edges on opposite sides of the upper and lower sides.
  • the breathing apparatus can be worn separately for different face shapes, increasing the choices of users with different face shapes. If the length of the atrium is longer than the length of the lower court, or the length of the nose is longer, the first section of the center line 2 and the first deformable clamping strip 7 can be worn upwards to act on the user’s nose. At this time, the third section The center line 4 and the second deformable clamping strip 11 are worn downwards and act on the user's jaw to achieve the best fit and comfort. For faces whose atrium length is less than that of the lower court or whose nose is shorter, including children, the first section of the center line 2 and the first deformable clamping strip 7 can be worn downward to act on the user’s lower jaw.
  • the third section of the center line 4 and the second deformable clamping strip 11 are worn upwards and act on the nose of the user to achieve the best fit and comfort. Therefore, the breathing apparatus based on the present invention can achieve the best adhesion and comfort by changing the wearing direction.
  • the angle between the centerline 2 of the first section and the centerline 3 of the second section is 120°-140°, preferably 125°-135°, for example 130°.
  • the included angle between the third section centerline 4 and the second section centerline 3 is 130°-150°, preferably, 135°-145°, such as 140°.
  • the first deformable clamping strip 7 is placed outside the first welding section 5.
  • the first welding section 5 helps to support and maintain the three-dimensional structure of the nasal cavity of the mask, and the specific angle range between the three centerlines is set to have a linkage fit with the first welding section 5 and the second welding section 6.
  • the effect is more in line with the ergonomic design, the mouth and nose pressure that the mask may cause to various face shapes is improved, and the mask body 1 has better tightness and protection.
  • the outer first deformable clamping strip 7 and the first welding section 5 when the belt assembly 8 is tightened, the first deformable clamping strip 7 is not easily deformed, thereby more effectively sealing The nose has better protection effect.
  • the design of the first deformable clamping strip 7 externally can help fix the glasses, thereby improving the user experience of the mask for the user wearing the glasses.
  • the centerlines of the first section centerline 2, the second section centerline 3, and the third section centerline 4 are not physical structures, and the first part 101 and the second part 102 of the mask body 1 are opposite to each other.
  • the folding centerline when folding, similar to the centerline, tangent, normal, etc. of the object, is the virtual reference line. Among them, the directions of up, down, left, right, outside, and inside can be defined from the user's perspective.
  • the first part 101 and the second part 102 are a smooth transition connection without welding section at the center line 4 of the third section. Since the third section centerline 4 of the mask body 1 is a smooth transition without welding section, when the first deformable clamping strip 7 acts on the user’s nose and the second deformable clamping strip 11 acts on the user’s jaw, It can better fit the skin of the mandible, solve the problem of non-fitting of the mandible caused by the setting of the mandibular suture, and improve the adhesion of the mandible.
  • the first deformable clamping bar 7 is parallel to the first edge of the mask body 1, and the first deformable clamping bar 7 is 0-2 cm away from the first edge of the mask body 1.
  • the second deformable clamping bar 11 is parallel to the second edge of the mask body 1, and the second deformable clamping bar 11 is 0-2 cm away from the second edge of the mask body 1.
  • the length of the first deformable clamping strip 7 is 5.5-12 cm, the width is 0.2-1 cm, and the thickness is 0.03-0.5 cm.
  • the length of the second deformable clamping strip 11 is 3.5-14 cm, the width is 0.15-1.2 cm, and the thickness is 0.02-0.7 cm.
  • the length of the fixing position 9 of the first deformable clamping strip 7 and the mask body 1 is 0.3-0.8 cm.
  • the first part 101 and the second part 102 are respectively provided with a connecting line 10 that is transversely or inclined relative to the transverse direction, which is used to realize the outer layer non-woven fabric and the inner layer non-woven fabric at one or more positions.
  • the connection line 10 includes a welding line or a suture line.
  • the strap assembly 8 is connected to the mask body 1 and is used to hold the mask body 1 on the user's face.
  • the strap assembly 8 includes a head strap (not shown in the figure) for hanging from the head or an ear strap for hanging from the ears (as shown in FIG. 1).
  • first deformable clamping strip 7 is fixedly connected to the first part 101, and the other end of the first deformable clamping strip 7 is fixedly connected to the second part 102. Therefore, in this embodiment, the fixing structure between the first deformable clamping strip 7 and the mask body 1 is partially fixed, and the fixing position 9 is at the end of the first deformable clamping strip 7 and is partially fixed externally.
  • the design of the first deformable clamping strip 7 can be further less susceptible to shape changes caused by the pulling of the belt assembly 8, and the adhesion is better. Among them, there are many ways of fixing, including welding, pasting, stitching and so on.
  • the second deformable clamping strip 11 is embedded in the mask body 1. Specifically, the second deformable clamping strip 11 may be embedded between the middle filter layer and the outer non-woven fabric.
  • the first deformable clamping strip 7 is a rectangular strip or a symmetrical shape with wider ends and thinner middle parts.
  • the second deformable clamping strip 11 is a rectangular strip or a symmetrical shape with wider ends and thinner middle parts.
  • Embodiment 1 The first welding section 5+locally fix the external first deformable clamping strip 7+the built-in second deformable clamping strip 11+the centerline 2 of the first section and the centerline 3 of the second section
  • the included angle is 125°-135°+ the included angle between the third section centerline 4 and the second section centerline 3 is 135°-145°;
  • Embodiment 2 The first welding section 5 + local fixation of the external first deformable clamping strip 7 + the built-in second deformable clamping strip 11 + the middle line between the first section center line 2 and the second section center line 3
  • the included angle is 120°-140°+The included angle between the third section centerline 4 and the second section centerline 3 is 130°-150°;
  • Comparative example 1 The first welding section 5+ completely fix the external first deformable clamping strip 7;
  • Comparative example 2 Lower welding section + built-in first deformable clamping strip 7;
  • Comparative example 3 Lower welding section + completely fixed external first deformable clamping strip 7;
  • Comparative Example 4 The lower welding section + the first externally fixed first deformable clamping strip 7 is partially fixed.
  • this embodiment provides a breathing apparatus. Compared with Embodiment 1, the main difference of this embodiment is:
  • the middle part of the first deformable clamping strip 7 is fixedly connected to the first welding section 5. That is, the fixed position 9 of the first deformable clamping strip 7 and the mask body 1 is in the middle of the first deformable clamping strip 7, that is, the position of the fixed position 9 includes the part located on the first welding section 5. For example, sewing the fixed area or welding the fixed area.
  • This embodiment provides a breathing apparatus (not shown in the figure). Compared with Embodiment 1, the main difference of this embodiment is:
  • the second deformable clamping strip 11 is externally placed on the mask body 1.
  • one end of the second deformable clamping bar 11 is fixedly connected to the first part 101, and the other end of the second deformable clamping bar 11 is fixedly connected to the second part 102.
  • the length of the fixing position 9 of the second deformable clamping strip 11 and the mask body 1 is 0.3-0.8 cm.
  • This embodiment provides a breathing apparatus (not shown in the figure). Compared with Embodiment 3, the main difference of this embodiment is:
  • the middle part of the second deformable clamping strip 11 is fixedly connected to the mask body 1 at the center line 4 of the third section.
  • the fixing position 9 of the second deformable clamping strip 11 includes a part located on the center line 4 of the third section, such as a suture fixing area or a welding fixing area.
  • modules in the device in the implementation scenario can be distributed in the device in the implementation scenario according to the description of the implementation scenario, or can be changed to be located in one or more devices different from the implementation scenario.
  • the modules of the above implementation scenarios can be combined into one module or further divided into multiple sub-modules.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un appareil respiratoire. Un corps de masque de l'appareil respiratoire comprend une première partie située sur un côté de la ligne centrale du corps de masque, et une seconde partie située sur l'autre côté de la ligne centrale ; la première partie et la seconde partie étant conçues pour pouvoir être pliées le long de la ligne centrale ; une première bande de serrage déformable et une seconde bande de serrage déformable croisant séparément la ligne centrale de la première partie et s'étendant jusqu'à la seconde partie ; et l'une de la première bande de serrage déformable et de la seconde bande de serrage déformable est conçue pour serrer le corps de masque sur le nez d'un utilisateur au moyen d'une déformation, et l'autre de la première bande de serrage déformable et de la seconde bande de serrage déformable est conçue pour serrer le corps de masque sur la mâchoire inférieure de l'utilisateur au moyen d'une déformation. Par rapport à l'état de la technique, la présente invention peut être appropriée pour plus de personnes, est meilleure en termes de performance d'étanchéité et de confort, et est plus riche en fonction.
PCT/CN2020/131881 2020-04-23 2020-11-26 Appareil respiratoire WO2021212831A1 (fr)

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CN202010328292.7A CN111330175A (zh) 2020-04-23 2020-04-23 一种呼吸装置
CN202010328292.7 2020-04-23

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CN211021070U (zh) * 2020-04-23 2020-07-17 金发科技股份有限公司 一种折叠式呼吸面罩

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