CN2669905Y - Positive pressure breath dustproof and protective devices - Google Patents

Positive pressure breath dustproof and protective devices Download PDF

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Publication number
CN2669905Y
CN2669905Y CNU200320105883XU CN200320105883U CN2669905Y CN 2669905 Y CN2669905 Y CN 2669905Y CN U200320105883X U CNU200320105883X U CN U200320105883XU CN 200320105883 U CN200320105883 U CN 200320105883U CN 2669905 Y CN2669905 Y CN 2669905Y
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China
Prior art keywords
air
dust
outer shell
shell body
filter
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Expired - Fee Related
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CNU200320105883XU
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Chinese (zh)
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余红民
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Individual
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Individual
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Priority to CNU200320105883XU priority Critical patent/CN2669905Y/en
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Publication of CN2669905Y publication Critical patent/CN2669905Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a positive pressure breath dustproof and poison defence device, comprising a helmet with a face mask, a filter, a draught fan and an air delivery pipe. The front part of the face mask is provided with a face mirror. The filter and the draught fan are provided in a same outer shell. An air inlet and an air outlet are provided on the outer shell. The air outlet of the outer shell is corresponding to the air port of the draught fan. The draught fan is supplied power by a cargo type direct current power supply. A waistband is connected with the outer shell. One end of the air delivery pipe is fixedly connected with the rear part of the helmet as well as is communicated, and the other end is connected with the air outlet on the outer shell as well as is communicated. Elastic ribbons are stitched on the periphery of the inner side of the face mask for preventing dust from entering. The helmet is made from air-proof material, such as raincloth, air-proof fire-retardant, etc. A plurality of venting holes are provided on the face mask. The utility model can be worn on the bodies of operators, which can ensure the operators to not suck in the dust and harmful gas when working, so the goal of preventing from catching silicosis and gas poisoning is obtained. The positive pressure breath dustproof and poison defence device has the advantages of simple structure, low cost, easy use, good effect of dust-proof and poison defence, etc.

Description

Positive-pressure type is breathed the dust proof and gas defence device
(1) technical field
The utility model relates to a kind of occupational disease safety device, particularly relates to a kind of wear-type and prevents the positive-pressure type breathing dust proof and gas defence device that anthraco-silicosis is used in advance.
(2) background technology
China is in nearly 20 years reform and opening-up process, and economic development has obtained achievement attracting people's attention, and when economy obtained rapid development, the change of matter was also taking place Chinese people's quality of life, has enough to eat and wear from the satisfied of past, to paying attention to quality of life and health.The important foundation that provides people to live basic guarantee is provided in work, and the quality of face and condition of work also has influence on everyone health and safety.But found the state over more than 50 year, the occupational disease of China record is high always, makes great efforts to become in the process of World Economics big country at us always, is but still keeping the record of leading in the world anthraco-silicosis big country always.Because the various health risk pollutants that exist in the operation place; the primary approach of infringement human body is respiratory system (accounting for 90%); so individual protection aspect at respiratory system; be necessary to explore the personal breathing protective gear of some science; protection labourer's health and safety, the rate occurred frequently of minimizing occupational disease.Anthraco-silicosis not only threatens professional workman's life and health, returns national economy and causes tremendous loss.
From preclinical medicine science aspect it can be asserted that; anthraco-silicosis can not be effected a radical cure; unique way of protection workers ' health is contacting with control workman and dust; improving working environment with advanced person's dust-settling technology is best bet; in view of current very big with dust-settling technology change entire environment difficulty; develop state-of-the-art personal protective equipment with advanced person's science and technology, one of the good means of prevention of also can yet be regarded as.Because it is personnel's protection is the most important, the most direct, also extensive.
For these years, China adopts cotton cloth respirator mostly aspect respiratory protection, and the dust proof rate of cotton cloth respirator generally connect 30% less than, do not have dustproof effect at all, use cotton cloth respirator just China keep a major reason of anthraco-silicosis big country title always.In recent years, China forbids to use cotton cloth respirator as anti-dust respirator, and some enterprise adopts the high relatively compound anti-dust respirator of some dust proof rates, anti-particulate mouth mask of filtering type and mask etc., though compare, can't but be a very big progress, but have some particular problems with cotton cloth respirator.Such as, these filtering type dust masks, mouth mask etc., to say objectively all can not with people's the complete driving fit of face, nose, fine solid particle creeps into mouth mask by the not tight slit of driving fit probably, and enter people's lung, moreover, heavy physical labour especially at work, expiratory dyspnea, seal very, influence operating efficiency greatly, some people just gives it up, and health is subjected to very big injury.As seen traditional protective respirator, the defective of various degrees awaits innovation.
(3) summary of the invention
The utility model is at the problems referred to above, provides a kind of and prevents that harmful dust and pernicious gas enter lung by respiratory system in the working environment, and the healthy positive-pressure type of infringement operating personnel is breathed the dust proof and gas defence device.
The technical scheme that adopts is:
Positive-pressure type is breathed the dust proof and gas defence device, comprises the head protector, filter, air-introduced machine, the appendix that have face shield.The front portion of face shield is the face mirror, and filter and air-introduced machine are installed in the shell body, and is separated by a dividing plate, and an air vent is arranged on the dividing plate.Shell body is provided with air inlet and gas outlet, and the gas outlet of shell body is corresponding with the air port of air-introduced machine.Air-introduced machine is connected with a waistband by the loading planning type DC power supply on the shell body, an end of appendix is fixedlyed connected with the rear portion of head protector, and links, and its other end is connected with gas outlet on the shell body, and links.The face shield inner peripheral is sewed with elastic cord, in case dust enters.Head protector is made by the software gas impermeable material, and a plurality of passages are arranged on the face shield.
Above-mentioned head protector is airtight software head protector.
Above-mentioned mirror is Merlon face mirror, or the face mirror of using for electric welding.
Above-mentioned appendix is a bellows.
Above-mentioned filter is a dirt catcher.
Above-mentioned filter also can be canister.
Use the utility model can guarantee that operating personnel do not suck dust in the working environment of dust from flying, thereby reach the purpose that prevents anthraco-silicosis in advance.And in the environment that contains harmful gas, just can avoid the staff to suck pernicious gas and poison as long as dirt catcher is replaced with canister.The utility model can be worn on one's body operating personnel, have simple in structure, cost is low, easy to use, advantage such as dust proof and gas defence is effective.
(4) description of drawings
Fig. 1 is that the utility model is worn the schematic diagram on one's body operating personnel.
Fig. 2 is the structural representation of a kind of embodiment of the utility model filter.
Fig. 3 is the structural representation of the another kind of embodiment of the utility model filter.
(5) specific embodiment
Embodiment one
Positive-pressure type is breathed the dust proof and gas defence device, comprises the head protector 2, filter 3, air-introduced machine 4, the appendix 5 that have face shield 1.The front portion of face shield 1 is provided with face mirror 6, and the periphery of face mirror 6 is connected with face shield 1 cementation.Head protector 2 and on face shield 1 sew up by the air-locked waterproof cloth of software and form, on a plurality of passages 13 are arranged, its inner peripheral is sewed with elastic cord 7, be sewed with the head hoop 14 that adapts with head shapes in the head protector 2, face mirror 6 is made by makrolon material, has wear-resisting, high temperature resistant and impact resistance.Filter 3 is a dirt catcher, is installed in the shell body 8 with air-introduced machine 4, and is separated by a dividing plate 18, and dirt catcher is arranged in the filter chamber of dividing plate 18 tops, and air-introduced machine 4 is fixed in the air compartment of dividing plate 18 belows.The center of dividing plate 18 offers a circular air vent 21.Dirt catcher is made of nonwoven layers 15, poly-handle alkene superfine fibre layer 16 and catalytic activity carbon fiber layer 17.Wherein, nonwoven layers 15 can stop floating dust, and poly-handle alkene superfine fibre layer 16 can be with dust-filtering below 0.3 μ l, and catalytic activity carbon fiber layer 17 can be removed the peculiar smell in the dust.Offer air inlet 19 and gas outlet 20 on the shell body 8, the gas outlet of shell body 8 is corresponding with the air port of air-introduced machine 4.Air-introduced machine 4 is powered by the dc source 9 that is fixed on the shell body 8, and is controlled by the switch on the shell body 8 12, and shell body 8 is provided with two ears 11 that supply waistband 10 to pass.Shell body 8 can tie up on operating personnel's the body by waistband 10.Appendix 5 is a bellows, and the one end is fixedlyed connected with the rear portion of head protector 2, and communicates, and its other end inserts in the gas outlet 20, and is connected with the gas outlet of air-introduced machine 4, and communicates.
Embodiment two
Embodiment two and embodiment one are basic identical, its difference is that the filter 3 in the described shell body 8 is canister, the filter poison material of canister is made by cold catalyst, activated carbon fiber, high efficiency particulate filter core (HEPA), filtering malicious material is contained in the malicious box 22 of a filter, the bad slot that is provided with on the inwall on shell body 8 tops, the outer wall of filtering malicious box is equipped with insert edge, and the insert edge of filtering on the malicious outer box wall inserts in the slot that ring is established on shell body 8 inwalls by the rubber seal air-tightness.
During use, head protector is worn on the head, the elastic cord of face shield is close on the face folder, and will descend volume to catch.With power switch 12 closures, air-introduced machine 4 work, the wind that air-introduced machine 4 produces enters head protector by appendix 5, and the head protector qi of chong channel ascending adversely is heaved, and produces malleation, and then dust or pernicious gas can't be entered in the head protector.If the working environment dust is many, the shell body 8 interior configurable filters 3 of air-introduced machine 4 then are housed, there is pernicious gas as if working environment, but the shell body 8 interior corresponding configuration canisters of air-introduced machine 4 then are housed.Dirt catcher and canister are known product.

Claims (5)

1, positive-pressure type is breathed the dust proof and gas defence device, comprise the head protector (2) that has face shield (1), filter (3), air-introduced machine (4), appendix (5), the front portion that it is characterized in that face shield (1) is face mirror (6), filter (3) and air-introduced machine (4) are installed in the same shell body (8), shell body (8) is provided with air inlet and gas outlet, the gas outlet of shell body (8) is corresponding with the air port of air-introduced machine (4), air-introduced machine (4) is powered by loading planning type dc source (9), be connected with a waistband (10) on the shell body (8), one end of appendix (5) is fixedlyed connected with the rear portion of head protector (2), and link, in the gas outlet on its other end insertion shell body (8), and be connected with the gas outlet of air-introduced machine (4), face shield (1) inner peripheral is sewed with elastic cord (7), and a plurality of passages (13) are arranged on the face shield (1).
2, positive-pressure type according to claim 1 is breathed the dust proof and gas defence device, it is characterized in that described head protector (2) is airtight software head protector.
3, positive-pressure type according to claim 1 is breathed the dust proof and gas defence device, it is characterized in that the face mirror that described face shield (1) is used for Merlon face mirror or for electric welding.
4, positive-pressure type according to claim 1 is breathed the dust proof and gas defence device, it is characterized in that described appendix (5) is a bellows.
5, positive-pressure type according to claim 1 is breathed the dust proof and gas defence device, it is characterized in that described filter (3) is dirt catcher or canister.
CNU200320105883XU 2003-12-09 2003-12-09 Positive pressure breath dustproof and protective devices Expired - Fee Related CN2669905Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200320105883XU CN2669905Y (en) 2003-12-09 2003-12-09 Positive pressure breath dustproof and protective devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200320105883XU CN2669905Y (en) 2003-12-09 2003-12-09 Positive pressure breath dustproof and protective devices

Publications (1)

Publication Number Publication Date
CN2669905Y true CN2669905Y (en) 2005-01-12

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CNU200320105883XU Expired - Fee Related CN2669905Y (en) 2003-12-09 2003-12-09 Positive pressure breath dustproof and protective devices

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CN (1) CN2669905Y (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101626809B (en) * 2007-03-23 2012-03-21 3M创新有限公司 Respirator flow control apparatus and method
CN101980752B (en) * 2008-04-04 2012-07-11 3M创新有限公司 Respirator system including convertible head covering member
CN101622035B (en) * 2007-03-23 2012-07-18 3M创新有限公司 Air delivery apparatus for respirator hood
CN103478927A (en) * 2013-09-23 2014-01-01 吴江市利达上光制品有限公司 Oil-splash-preventing face mask
CN105615055A (en) * 2016-04-10 2016-06-01 刘英臣 Novel efficient anti-haze mask
CN105879259A (en) * 2015-01-09 2016-08-24 谢庆云 Air purifier
CN106309009A (en) * 2015-07-02 2017-01-11 泰克曼(南京)电子有限公司 Welding mask provided with zipper structure and welding mask assembly
CN108159597A (en) * 2018-01-12 2018-06-15 广东澄宇实业有限公司 For the safeguard of spraying operation
CN113842568A (en) * 2020-06-27 2021-12-28 李秋辐 Far-isolation internal-collection source blocking gas mask

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101626809B (en) * 2007-03-23 2012-03-21 3M创新有限公司 Respirator flow control apparatus and method
CN101622035B (en) * 2007-03-23 2012-07-18 3M创新有限公司 Air delivery apparatus for respirator hood
CN101980752B (en) * 2008-04-04 2012-07-11 3M创新有限公司 Respirator system including convertible head covering member
CN103478927A (en) * 2013-09-23 2014-01-01 吴江市利达上光制品有限公司 Oil-splash-preventing face mask
CN105879259A (en) * 2015-01-09 2016-08-24 谢庆云 Air purifier
CN106309009A (en) * 2015-07-02 2017-01-11 泰克曼(南京)电子有限公司 Welding mask provided with zipper structure and welding mask assembly
CN105615055A (en) * 2016-04-10 2016-06-01 刘英臣 Novel efficient anti-haze mask
CN108159597A (en) * 2018-01-12 2018-06-15 广东澄宇实业有限公司 For the safeguard of spraying operation
CN113842568A (en) * 2020-06-27 2021-12-28 李秋辐 Far-isolation internal-collection source blocking gas mask

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C19 Lapse of patent right due to non-payment of the annual fee
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