CN203028179U - Respiratory protection device - Google Patents
Respiratory protection device Download PDFInfo
- Publication number
- CN203028179U CN203028179U CN 201320023181 CN201320023181U CN203028179U CN 203028179 U CN203028179 U CN 203028179U CN 201320023181 CN201320023181 CN 201320023181 CN 201320023181 U CN201320023181 U CN 201320023181U CN 203028179 U CN203028179 U CN 203028179U
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- CN
- China
- Prior art keywords
- folding line
- respiratory protection
- protection equipment
- face shield
- shield portion
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model provides a respiratory protection device which comprises a mask part and a head belt part. A half-dividing folding line which extends along a longitudinal direction is arranged on the mask part and is provided with an arc section. The mask part has a first state in which the mask part is opened and a second state in which the mask part is folded along the half-dividing folding line. The head belt part is connected with the mask part. According to the respiratory protection device, when the mask part is in the opened first state and blocks the front portion of the lip, the arc section can enlarge the space distance between the lip and the mask part of the respiratory protection device. The problem that in the prior art, the space distance between a mask part and the lip is small so that the lip contacts with the wet mask part to cause the fact that wearing comfort is lowered is solved, and wearing comfort effect is achieved.
Description
Technical field
The utility model relates to employment security protection field, in particular to a kind of respiratory protection equipment.
Background technology
Dust is to be suspended in airborne solia particle, International Standards Organization's regulation, and particle diameter is dust less than the suspension of 75 μ m.The professional ward that dust harzard causes influences the most serious so far, and wherein the influence to worker's occupational hazards is more than 85% of all hazard factor influences.
Because people treat increase and the attention of personal security's consciousness of self-protection, China's anti-particle mouth mask on the market also becomes a feast for the eyes.Wherein, the disposable mouth mask because its price is cheaper, uses and carries comparatively conveniently, becomes a lot of people's first-selection.Through a lot of market surveys and test, we find China on the market a lot of disposable mouth masks and be not suitable for Chinese and wear, security is limited, comfortableness is not good enough yet.The workman can not play the security protection to self when wearing this kind mouth mask.
General mouth mask filter material respiratory resistance on the market is big, and the inner heat build-up of mouth mask also can be very big, and after wearing for a long time, mouth mask is inner can to form steam.A lot of mouth mask inside are linear structures, and the spacing of lip and mouth mask is very little, and lip contacts with moist mouth mask, and comfortableness can reduce greatly.
The utility model content
The utility model aims to provide a kind of respiratory protection equipment of comfortable wearing.
To achieve these goals, the utility model provides a kind of respiratory protection equipment, comprising: face shield portion has the folding line of splitting that extends longitudinally in the face shield portion, split folding line and have segmental arc, face shield portion has first state and the edge of opening and splits the second folding state of folding line; Headband portion, portion is connected with face shield.
Further, the radius of segmental arc is R, wherein, and 130mm≤R≤140mm.
Further, split folding line and also comprise the first folding line section and the second folding line section, the first folding line section is connected with the second folding line section by segmental arc.
Further, face shield portion also has body rim, and the angle between the first folding line section and the body rim is α, wherein, and 93 °≤α≤97 °.
Further, face shield portion also has two Support Level, and two Support Level are arranged on the both sides of splitting folding line symmetrically, and along extending away from splitting folding line.
Further, split folding line and also have the first folding line section that is connected with segmental arc, the angle between Support Level and the first folding line section is β, wherein, and 55 °≤β≤60 °.
Further, two Support Level all have Support Level first end and Support Level second end, and Support Level second end is away from splitting folding line; Headband portion comprises first headband and is positioned at second headband of first headband below; Wherein, the end of first headband forms first connecting portion that is connected with face shield portion, and the distance at the end of Support Level second end and the center of first connecting portion is H, 16mm≤H≤20mm.
Further, face shield portion comprises filter course and cover layer, and filter course is connected with cover layer.
Further, cover layer also comprises: contact layer is connected with the inboard of filter course.
Further, contact layer is that the spun-bonded non-woven fabrics of ρ is made by density, wherein, and 20g/m
2≤ ρ≤40g/m
2
Further, cover layer also comprises: supporting layer is connected with the outside of filter course.
Further, supporting layer is that the spun-bonded non-woven fabrics of ρ ' is made by density, wherein, and 70g/m
2≤ ρ '≤100g/m
2
Further, filter course is fiber electret static filter material.
Use respiratory protection equipment of the present utility model, this respiratory protection equipment comprises face shield portion, and face shield portion has the folding line of splitting, and face shield portion has first state opened and along splitting the second folding state of folding line, and splits folding line and have segmental arc.When face shield portion when first state of opening blocks in lip the place ahead, segmental arc can strengthen the spacing between the face shield portion of lip and respiratory protection equipment.Respiratory protection equipment of the present utility model has solved in the prior art owing to face shield portion contacts the problem of caused comfortable wearing reduction with the little lip that makes of spacing of lip with moist face shield portion, has reached the effect of comfortable wearing.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the three-dimensional structure diagram according to respiratory protection equipment of the present utility model;
Fig. 2 shows the front view according to respiratory protection equipment of the present utility model;
Fig. 3 shows the left view according to respiratory protection equipment of the present utility model;
Fig. 4 shows the vertical view according to respiratory protection equipment of the present utility model; And
Fig. 5 shows the upward view according to respiratory protection equipment of the present utility model.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1 to Figure 3, the utility model provides a kind of respiratory protection equipment.
This respiratory protection equipment comprises headband portion 10 and face shield portion 20.Particularly, have in the face shield portion 20 extend longitudinally split folding line 21, split folding line 21 and have segmental arc 211, face shield portion 20 has first state opened and along splitting the second folding state of folding line 21.Headband portion 10 is connected with face shield portion 20, and headband portion 10 is used for face shield portion 20 is fixed on head.
When face shield portion 20 blocked in lip the place ahead, segmental arc 211 can strengthen the spacing between the face shield portion 20 of lip and respiratory protection equipment.Respiratory protection equipment of the present utility model has solved in the prior art because face shield portion 20 contacts the problem of caused comfortable wearing reduction with the little lip that makes of spacing of lip with the face shield portion 20 of humidity, has reached the effect of comfortable wearing.
As shown in Figures 2 and 3; have the folding line of splitting 21 in the face shield portion 20, split folding line 21 and comprise segmental arc 211, segmental arc 211 has strengthened the spacing between the face shield portion 20 of lip and respiratory protection equipment; avoid contacting of face shield portion 20 and lip, increased the comfort of wearing for a long time.
The radius of segmental arc 211 is R, preferably, and 130mm≤R≤140mm.Segmental arc 211 is designed to the size in this scope, has satisfied in the spacing that strengthens under the prerequisite of economical with materials between lip and the face shield portion 20, makes this respiratory protection equipment comfortable wearing for a long time.
And then ground, split folding line 21 and comprise that also the first folding line section 212 and the second folding line section, 213, the first folding line sections 212 are connected with the second folding line section 213 by segmental arc 211.The first folding line section 212 and the second folding line section 213 are straightway, are in order to fit with nose and chin preferably respectively.In order to strengthen the spacing between lip and the face shield portion 20, be connected by segmental arc 211 between the first folding line section 212 and the second folding line section 213.
As shown in Figure 3, preferably, the angle that face shield portion 20 has between body rim 22, the first folding line sections 212 and the body rim 22 is α, wherein, and 93 °≤α≤97 °.This angle of the respiratory protection equipment that the ratio of this angle design is traditional is big, can increase the face shield portion 20 of respiratory protection equipment like this in the area coverage of face, and disperses face shield portion 20 because seal to the pressure of face generation.
The material of face shield portion 20 can be selected nonwoven for use.Face shield portion 20 comprises filter course and cover layer, and filter course is connected with cover layer.For example, filter course and cover layer can be connected together by supersonic welding.
Preferably, filter course is melt spraying non-woven fabrics or fiber electret static filter material, and the filter effect of these two kinds of filtering materials is splendid, makes respiratory resistance diminish.
Cover layer comprises contact layer, and contact layer is connected with the inboard of filter course.Contact layer directly contacts with the skin of face.Preferably, contact layer is that the spun-bonded non-woven fabrics of ρ is made by density, and namely ρ is the material weight of unit are, wherein, and 20g/m
2≤ ρ≤40g/m
2Supporting layer is that the spun-bonded non-woven fabrics of ρ ' is made by density, and namely ρ ' is the material weight of unit are, wherein, and 70g/m
2≤ ρ '≤100g/m
2, this spun-bonded non-woven fabrics softness is comfortable.
Cover layer also comprises supporting layer, and supporting layer is connected with the outside of filter course.Supporting layer mainly plays the supporting role to whole face shield portion 20.Preferably, supporting layer is 70g/m
2To 100g/m
2Spun-bonded non-woven fabrics, such spun-bonded non-woven fabrics can play good supporting role.
Also can increase other spun-bonded non-woven fabrics according to different product demands to increase protection effect.For example, can increase the active carbon layer nonwoven, play deodorization.Perhaps can increase spunlace non-woven cloth, spunlace non-woven cloth has the characteristics of high-hygroscopicity.
Split folding line 21 in above-described embodiment, in face shield portion 20, longitudinally finish by ultrasonic bonding.As shown in Figure 2, split folding line 21 face shield portion 20 is divided into two parts i.e. first main surface 23 and second main surface 24.Preferably, split the centre that folding line 21 is positioned at face shield portion 20, namely folding line 21 symmetrical distributions are split on first main surface 23 and second main surface, 24 equal and opposite in directions and edge.
Split folding line 21 by this, first state that makes face shield portion 20 have to open and the second folding state.Intensity for the face shield portion 20 of the protective device that further ensures respiration; face shield portion 20 also has two Support Level 25; article two, Support Level 25 is arranged on the both sides of splitting folding line 21 symmetrically; Support Level 25 is along extending away from splitting folding line 21; namely a Support Level 25 is positioned on first main surface 23, and another Support Level 25 is positioned on second main surface 24.Wherein, Support Level 25 forms by ultrasonic bonding.Support Level 25 is straight line, and contact layer, filter course and cover layer are welded together, and plays the effect of supporting face shield portion 20, has so just increased the hardness of face shield portion 20.
As shown in Figure 3, particularly, split folding line 21 and also have the first folding line section 212 that is connected with segmental arc 211, the angle between Support Level 25 and the first folding line section 212 is β, wherein, and 55 °≤β≤60 °.Support Level 25 has Support Level first end 251 and Support Level second end 252, and Support Level second end 252 is away from splitting folding line 21.Headband portion 10 comprises first headband 11 and is positioned at second headband 12 of first headband, 11 belows.Wherein, the end of first headband 11 forms first connecting portion 111 that is connected with face shield portion 20, and the distance at the end of Support Level second end 252 and the center of first connecting portion 111 is H, 16mm≤H≤20mm.
As Fig. 1, Fig. 4 and shown in Figure 5, headband portion 10 comprises first headband 11 and second headband 12.First headband 11 is used for being enclosed within head, and second headband 12 is used for being enclosed within the neck place, under the common cooperation of first headband 11 and second headband 12, the face shield portion 20 of respiratory protection equipment can be close to face.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1, good filtration effect, respiratory resistance diminishes;
2, increased the face shield portion of respiratory protection equipment in the area coverage of face, the pressure that has disperseed face shield portion to produce because of sealing;
3, strengthen spacing between lip and the face shield portion, avoided contacting of face shield portion and lip, increased long-time comfort of wearing.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (13)
1. a respiratory protection equipment is characterized in that, comprising:
Face shield portion (20), have in the described face shield portion (20) extend longitudinally split folding line (21), the described folding line (21) of splitting has segmental arc (211), and described face shield portion (20) has first state opened and along the described second folding state of folding line (21) of splitting;
Headband portion (10) is connected with described face shield portion (20).
2. respiratory protection equipment according to claim 1 is characterized in that,
The radius of described segmental arc (211) is R, wherein, and 130mm≤R≤140mm.
3. respiratory protection equipment according to claim 1; it is characterized in that; the described folding line (21) of splitting also comprises the first folding line section (212) and the second folding line section (213), and the described first folding line section (212) is connected with the described second folding line section (213) by described segmental arc (211).
4. respiratory protection equipment according to claim 3 is characterized in that, described face shield portion (20) also has body rim (22), and the angle between the described first folding line section (212) and the described body rim (22) is α, wherein, and 93 °≤α≤97 °.
5. respiratory protection equipment according to claim 1; it is characterized in that; described face shield portion (20) also has two Support Level (25), and described two Support Level (25) are arranged on described both sides of splitting folding line (21) symmetrically, and along extending away from the described folding line (21) of splitting.
6. respiratory protection equipment according to claim 5; it is characterized in that; the described folding line (21) of splitting also has the first folding line section (212) that is connected with described segmental arc (211); angle between described Support Level (25) and the described first folding line section (212) is β; wherein, 55 °≤β≤60 °.
7. respiratory protection equipment according to claim 5 is characterized in that,
Described two Support Level (25) all have Support Level first end (251) and Support Level second end (252), and described Support Level second end (252) is away from the described folding line (21) of splitting;
Described headband portion (10) comprises first headband (11) and is positioned at second headband (12) of described first headband (11) below;
Wherein, the end of described first headband (11) forms first connecting portion (111) that is connected with described face shield portion (20), and the distance at the center of the end of described Support Level second end (252) and described first connecting portion (111) is H, 16mm≤H≤20mm.
8. respiratory protection equipment according to claim 1 is characterized in that, described face shield portion (20) comprises filter course and cover layer, and described filter course is connected with described cover layer.
9. respiratory protection equipment according to claim 8 is characterized in that, described cover layer also comprises: contact layer is connected with the inboard of described filter course.
10. respiratory protection equipment according to claim 9 is characterized in that, described contact layer is that the spun-bonded non-woven fabrics of ρ is made by density, wherein, and 20g/m
2≤ ρ≤40g/m
2
11. respiratory protection equipment according to claim 8 is characterized in that, described cover layer also comprises: supporting layer is connected with the outside of described filter course.
12. respiratory protection equipment according to claim 11 is characterized in that, described supporting layer is that the spun-bonded non-woven fabrics of ρ ' is made by density, wherein, and 70g/m
2≤ ρ '≤100g/m
2
13. respiratory protection equipment according to claim 8 is characterized in that, described filter course is fiber electret static filter material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023181 CN203028179U (en) | 2013-01-16 | 2013-01-16 | Respiratory protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023181 CN203028179U (en) | 2013-01-16 | 2013-01-16 | Respiratory protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203028179U true CN203028179U (en) | 2013-07-03 |
Family
ID=48680337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320023181 Expired - Lifetime CN203028179U (en) | 2013-01-16 | 2013-01-16 | Respiratory protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203028179U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108634440A (en) * | 2018-04-11 | 2018-10-12 | 东莞快裕达自动化设备有限公司 | Head hangs folding mouth mask production technology |
| CN111330175A (en) * | 2020-04-23 | 2020-06-26 | 金发科技股份有限公司 | Breathing device |
| CN117547753A (en) * | 2020-05-18 | 2024-02-13 | 戴森技术有限公司 | Wearable air purifier |
-
2013
- 2013-01-16 CN CN 201320023181 patent/CN203028179U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108634440A (en) * | 2018-04-11 | 2018-10-12 | 东莞快裕达自动化设备有限公司 | Head hangs folding mouth mask production technology |
| CN111330175A (en) * | 2020-04-23 | 2020-06-26 | 金发科技股份有限公司 | Breathing device |
| CN117547753A (en) * | 2020-05-18 | 2024-02-13 | 戴森技术有限公司 | Wearable air purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |