CN100415322C - Breathing protective tools - Google Patents
Breathing protective tools Download PDFInfo
- Publication number
- CN100415322C CN100415322C CNB021455937A CN02145593A CN100415322C CN 100415322 C CN100415322 C CN 100415322C CN B021455937 A CNB021455937 A CN B021455937A CN 02145593 A CN02145593 A CN 02145593A CN 100415322 C CN100415322 C CN 100415322C
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- CN
- China
- Prior art keywords
- face shield
- filter
- electric fan
- breathing
- fan assembly
- 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 - Fee Related
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to a protective tool for respiration. Filtering devices (4) with motor fan assemblies (3) are respectively installed on the left side and the right side of the vertical center line of the face mask (1). The tool can not reduce the field of front vision and can increase front weight, operability and comfort can not be lowered, air feeding quantity can be ensured to be more than 120 L/min, and the motor fan assemblies can be taken off from the face mask. Therefore, wash and the maintenance work of member exchange, etc. can be easily carried out to the face mask.
Description
Technical field
The present invention relates to produce in the place of dust and toxic gas in factory, construction site etc., can be as the breathing protection apparatus of dust mask and breathing mask use.
Background technology
In the prior art; for example exist as shown in Figure 4 a kind of breathing with the protection apparatus; the central part of the face shield 31 that this apparatus covers at nose and mouth to major general wearer electric fan assembly 32 is installed, in loading and unloading mode freely filter 33 dustproof and that gas defence is used is installed in the place ahead of this electric fan assembly 32.
In addition, for example also exist as shown in Figure 5 breathing with the protection apparatus, this apparatus is that the both sides of the face shield 31 that covers at nose and mouth to major general wearer are installed filter 33 dustproof and that gas defence is used respectively.
But; use in the protection apparatus in above-mentioned breathing shown in Figure 4; when guaranteeing that " with the breathing of electric fan with the protection apparatus " that air output is suitable for the JIS specification (JIST8157); for per minute more than 120 liters the time; must make electric fan assembly 32 maximizations that become for increasing air output, cause the problem that reduces field of front vision, increases forward weight and operability and comfort decline thus.And, in this case,, then, air output is descended because the sieve aperture of filter can stop up fast if use identical filter 33 to increase air output, cause the problem that shortens swap time of filter.
In addition, in this breathes with the protection apparatus,,, can cause the problem that is difficult to face shield 31 is implemented maintenance works such as washing and exchange member owing to can not take off this assembly from this face shield 31 although electric fan assembly 32 is installed on the face shield 31.
And use in the protection apparatus in breathing shown in Figure 5, although filter 33 is installed respectively,, can not implement forced air supply owing to do not possess the electric fan assembly in the both sides of face shield 31, therefore can not guarantee that enough air outputs are arranged.
Summary of the invention
Therefore the present invention makes with the problem that exists in the protection apparatus for solving above-mentioned existing breathing; its objective is provides a kind of such breathing with protecting apparatus; it not only can not reduce field of front vision, increase forward weight; operability and comfort are descended; and can guarantee that air output is at per minute about more than 120 liters " with the breathing of electric fan with the protection apparatus " of JIS specification (be suitable for (JIST8157)); and the electric fan assembly also can take off from face shield, therefore is easy to face shield is implemented the maintenance work of washing and exchange member etc.
Therefore, the invention provides a kind of breathing, comprising: face shield with the protection apparatus; Be arranged on the filter of left and right sides of the vertical center line of described face shield; Be arranged on the electric fan assembly of the inside, back of each described filter; The battery that is arranged with described filter branch; And the power line that the described electric fan assembly of described battery and each is linked to each other; Wherein, described electric fan assembly has fan and motor, and described battery is supplied with described motor by described power line with electric power.
In addition,, preferably each electric fan assembly and each filter are installed on the face shield respectively in loading and unloading mode freely with protecting in the apparatus in breathing of the present invention.
And breathing of the present invention also can be installed microphone in the central upper of described face shield with the protection apparatus, in the central lower of described face shield air bleeding valve is installed.
Pass through said structure; breathing of the present invention not only can not reduce field of front vision, increase forward weight with the protection apparatus; operability and comfort are descended; and can guarantee that air output is at per minute about more than 120 liters " with the breathing of electric fan with the protection apparatus " of JIS specification (be suitable for (JIST8157)); and, therefore be easy to face shield is implemented the maintenance work of washing and exchange member etc. because the electric fan assembly also can take off from face shield.
Description of drawings
To be expression breathe the schematic diagram of this filter decomposing state when taking off one-sided filter with the face shield of protecting apparatus from the present invention to Fig. 1.
To be expression breathe major part enlarged drawing when taking off filter with the face shield of protecting apparatus from the present invention to Fig. 2.
Fig. 3 is that the present invention breathes the sectional view with the filter of protection apparatus.
Fig. 4 is the existing oblique view of using with example of protection apparatus of breathing of expression.
Fig. 5 is the existing oblique view of using with another example of protection apparatus of breathing of expression.
The specific embodiment
Shown in Fig. 1～3; the face shield 1 that breathing of the present invention is covered by nose and mouth to major general wearer with the protection apparatus, be worn over the headband 2 on the wearers head and have respectively that two filters 4 of electric fan assembly 3 form; wherein the both side ends at face shield 1 is equipped with headband 2, is separately installed with electric fan assembly 3 and filter 4 in the left and right sides of face shield 1 vertical center line in loading and unloading mode freely simultaneously.
Face shield 1 is to form by having flexible synthetic resin etc., and top is equipped with microphone 5 in the central, central lower is equipped with air bleeding valve 6, and the left and right sides in its vertical Central Line is provided with the passage 7 with described filter 4 respectively.And face shield 1 is preferably the shell portion 8 with resiliency in it contacts part with wearer's nose the place ahead, when putting on face shield, can alleviate the pressing force that wearer's nose is applied thus.And, although face shield as shown in Figure 11 is the hemihedral form face shield that covers wearer's nose and mouth, also can be the holomorphism face shield that covers wearer's entire face.
And microphone 5 is not shown in the drawings, and it can be the structure with preceding frame member and after-frame member and the thin acoustic diaphragm between these two members, also can be formed by existing known configurations.In addition, air bleeding valve 6 is also not shown in the drawings, and it can be a check valve structure etc., also can be formed by existing known configurations.
In addition,,, and do not ventilate, then check-valves 21 can be set to face shield 1 side receiving room 15 sides from face shield 1 side if desired from the ventilation of receiving room 15 side direction face shields 1 side at passage 7 places that are separately positioned on the described face shield 1 vertical center line left and right sides.In addition, outwards outstanding being provided with supported tube 22 around described passage 7, in the position relative with these support tube 22 ends the outward flange 23 that forms notch 23a is set.
On the other hand, at the support of described filter 4 receiving room 15 places, be provided with the passage 24 that communicates with the passage 7 of face shield 1 with shell 16.Around this passage 24, with round the described mode of supporting around the tube 22, outstanding being provided with supported tube 25, and be provided with in the position relative with these supports tube 25 ends formation notch 26a to inward flange 26.
Thus, outstanding being provided with supported tube 22 around the passage 7 that is provided with respectively about face shield 1 vertical center line, at filter 4 places that are installed in loading and unloading mode freely on the described face shield 1, to surround the mode around this support tube 22, cover the outstanding support tube 25 that supports with around the passage 24 of the receiving room 15 of shell 16 that is arranged on.In this case, support the flange 23 that tube 22 is outside and support not overlap between the inside flange 26 of tube 25 mutually, promptly support the outward flange 23 of tube 22 to place and support tube 25 to the notch 26a place of inward flange 26, and support tube 25 place the notch 23a place that supports an outward flange 23 of tins 22 to inward flange 26.
Therefore, support with shell 16, make the outward flange 23 of supporting tube 22 and support overlapping of tube 25, then support tube 22 and 25 to combine, thereby filter 4 can be installed on the face shield 1 to inward flange 26 if tighten to a side.
In addition, if when face shield 1 takes off filter 4, unscrew support shell 16 on the contrary like that with afore-mentioned, a then feasible outward flange 23 and support 25 no longer overlaps of supporting tube 22 to inward flange 26, removed thus and supported the two combination of tube 22 and 25, thereby can take off filter 4 from face shield 1.
Owing to adopt the present invention of said structure to breathe with the protection apparatus; in being installed with respectively in loading and unloading mode freely, its face shield 1 vertical center line left and right sides keeps the filter 4 of electric fan assembly 3; even therefore each filter 4 is not too big, also can obtain enough air outputs.
In addition; because the present invention breathes the filter 4 that keeps electric fan assembly 3 with the protection apparatus in face shield 1 vertical center line left and right sides is installed with respectively; central upper at face shield 1 is installed with microphone 5; central lower at face shield 1 is equipped with air bleeding valve 6, and the configuration that therefore can make filter 4, microphone 5 and air bleeding valve 6 is balance very.
In addition, if desired, the present invention is breathed with the structure of protection apparatus for taking off filter 4 and electric fan assembly 3 from face shield 1.
Claims (3)
1. a breathing comprises with protecting apparatus:
Face shield;
Be arranged on the filter of left and right sides of the vertical center line of described face shield;
Be arranged on the electric fan assembly of the inside, back of each described filter;
The battery that is arranged with described filter branch; And
The power line that the described electric fan assembly of described battery and each is linked to each other;
Wherein, described electric fan assembly has fan and motor, and described battery is supplied with described motor by described power line with electric power.
2. breathing as claimed in claim 1 is characterized in that with the protection apparatus each described electric fan assembly and each described filter are installed on the described face shield in loading and unloading mode freely respectively.
3. breathing as claimed in claim 1 or 2 is characterized in that with the protection apparatus, in the central upper of described face shield microphone is installed, and in the central lower of described face shield air bleeding valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021455937A CN100415322C (en) | 2002-12-23 | 2002-12-23 | Breathing protective tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021455937A CN100415322C (en) | 2002-12-23 | 2002-12-23 | Breathing protective tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1509780A CN1509780A (en) | 2004-07-07 |
| CN100415322C true CN100415322C (en) | 2008-09-03 |
Family
ID=34232514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021455937A Expired - Fee Related CN100415322C (en) | 2002-12-23 | 2002-12-23 | Breathing protective tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100415322C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9744493B2 (en) * | 2008-04-04 | 2017-08-29 | 3M Innovative Properties Company | Air filtration device |
| US8839785B2 (en) * | 2010-03-10 | 2014-09-23 | 3M Innovative Properties Company | Respirator harness having collapsible head cradle |
| CN102940939A (en) * | 2012-11-28 | 2013-02-27 | 孙谦怀 | Anti-gas and dustproof mask |
| CN103868162B (en) * | 2012-12-13 | 2017-09-12 | 科沃斯机器人股份有限公司 | Portable air purifier |
| US10342999B2 (en) * | 2015-10-16 | 2019-07-09 | Yang Song | Particulate filter face mask having fan breathing assist |
| CN105727675A (en) * | 2016-04-05 | 2016-07-06 | 新呼吸(厦门)环保科技有限公司 | Air filter |
| CN106512248A (en) * | 2017-01-11 | 2017-03-22 | 远大空品科技有限公司 | Face mask with draught fan |
| CN107224687A (en) * | 2017-07-28 | 2017-10-03 | 长沙蓝室科技开发有限公司 | A kind of face mask type wears air purifier |
| US11666787B2 (en) * | 2018-12-26 | 2023-06-06 | Lg Electronics Inc. | Mask apparatus |
| CN111840845A (en) * | 2020-08-26 | 2020-10-30 | 山西中辐核仪器有限责任公司 | Intelligent protective mask and working process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5303701A (en) * | 1991-10-07 | 1994-04-19 | Dragerwerk Ag | Blower-supported gas mask and breathing equipment with an attachable control part |
| CN1184434A (en) * | 1995-06-07 | 1998-06-10 | 矿井安全装置公司 | Respirator mask with stiffening elements |
-
2002
- 2002-12-23 CN CNB021455937A patent/CN100415322C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5303701A (en) * | 1991-10-07 | 1994-04-19 | Dragerwerk Ag | Blower-supported gas mask and breathing equipment with an attachable control part |
| CN1184434A (en) * | 1995-06-07 | 1998-06-10 | 矿井安全装置公司 | Respirator mask with stiffening elements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1509780A (en) | 2004-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20111223 |