CN209437914U - A kind of protective face mask - Google Patents
A kind of protective face mask Download PDFInfo
- Publication number
- CN209437914U CN209437914U CN201822053010.8U CN201822053010U CN209437914U CN 209437914 U CN209437914 U CN 209437914U CN 201822053010 U CN201822053010 U CN 201822053010U CN 209437914 U CN209437914 U CN 209437914U
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- CN
- China
- Prior art keywords
- protective
- screen
- head
- air
- supply tube
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- 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 utility model relates to protective articles technical fields, and disclose a kind of protective face mask, including head supporting structure, protective head screen and protection face screen, the protective head screen offers card slot below inner cavity, protection face screen is connected in the card slot, the middle part of the head supporting structure is equipped with overhead consoles by screw, battery case is separately installed on the overhead consoles, switch and micro-blower, air supply tube is communicated at the air outlet of the micro-blower, blast pipe is equidistantly communicated on the pipeline of the air supply tube, several ventilation openings opened up on the one end of the blast pipe far from air supply tube and protective head screen are connected to one by one, the ventilation opening, which is located at the nozzle inside protective head screen, is communicated with air-exhausting duct, the protective face mask, pass through micro-blower, blast pipe, air supply tube, the design of ventilation opening, ventilation opening sends out micro-blower The natural wind of coming is taken out, avoids the problem that wear mask makes one to feel that sultry and protective face mask hazes in the process.
Description
Technical field
The utility model relates to protective articles technical field, specially a kind of protective face mask.
Background technique
Protective face mask is a kind of for protecting eyes and face from dust, chemical substance, hot gas, poison gas, and leftover etc. has
The industrial protective mask that evil substance is head-on encroached on, it is to press from both sides each installation band tooth spiral button in upper left and right in elastic head, on tooth spiral button
The thin curved surface translucent cover of big arc is installed.The big thin curved surface translucent cover of arc the elastic head folder with tooth spiral button it is upper can be spun on it is facial or
Overhead.It can be with anti-poison respirator, anti-dust mask, and working cap is used cooperatively, and reaches overall protected purpose.
But existing protective face mask does not have ventilation function, easily makes one to feel sultry during wearing, works as protective face mask
When internal-external temperature difference is big, protection face screen easily hazes, and influences to operate sight and cause accident.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of protective face mask, and it is excellent to have protective face mask ventilation etc.
The problem of point, solve makes one to feel sultry during wearing mask, and protective face mask hazes.
(2) technical solution
For the purpose for realizing above-mentioned protective face mask ventilation, the utility model is provided the following technical solutions: a kind of protective face mask,
Including head supporting structure, protective head screen and protection face screen, the inner cavity of the head supporting structure offers channel, and the head is fixed
The two sides of frame inner cavity slidably connect first band tooth headband and the second band tooth headband respectively, and the middle part of the head supporting structure is fixed
Adjusting knob is installed, the adjusting knob includes the bearing being fixedly connected with head supporting structure, and the inner ring of the bearing runs through
And be keyed have shaft with gear bar, the top of the shaft with gear bar is engaged with first band tooth headband, the lower section of the shaft with gear bar and
Second band tooth headband engages, and the first band tooth headband and second is connected with protection far from the side of head supporting structure with tooth headband
Head shields, and offers card slot below protective head screen inner cavity, protection face screen, the head supporting structure are connected in the card slot
Middle part overhead consoles are equipped with by screw, battery case, switch and miniature air blast are separately installed on the overhead consoles
Machine connects between the micro-blower, battery case and switch three for electric wire, and the suction opening of the micro-blower is communicated with
Exhaust column is communicated with air supply tube at the air outlet of the micro-blower, and the tube body of the air supply tube is pasted onto protective head screen
On outer surface, it is equidistantly communicated with blast pipe on the pipeline of the air supply tube, the one end of the blast pipe far from air supply tube and anti-
Several ventilation openings opened up on head protector screen are connected to one by one, and the ventilation opening, which is located at the nozzle inside protective head screen, is communicated with air draft
Pipe.
Preferably, filtering plug is installed at the nozzle of exhaust column, is filled with active carbon in the inner cavity of the filtering plug.
Preferably, release handle is fixedly connected at the top and bottom of shaft with gear bar.
Preferably, dust-filtering net is installed, the air supply tube is set close to one end of overhead consoles at the nozzle of air-exhausting duct
There is one piece of fixed block for being used to fix air supply tube.
Preferably, protective head screen is hemisphere curved transparent screen, and the protection face screen is cambered surface plate transparent screen.
Preferably, air-exhausting duct is corrugated flexible hose, and air-exhausting duct is tilted to protection face screen side.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of protective face mask, have it is following the utility model has the advantages that
1, the utility model passes through the design of micro-blower, blast pipe, air supply tube, ventilation opening, and ventilation opening is sent out miniature
Air blower takes out the natural wind of coming, and enhances the air circulation inside mask, plays the role of ventilation and demisting, avoid wearing face
It makes one to feel the problem of sultry and protective face mask hazes during cover, improves comfort level when protective face mask is worn, while energy
Enough high degrees improve clarity when protective face mask uses, and greatly improve safety when protective face mask uses.
2, the utility model passes through the design of exhaust column and filtering plug, can will suck the natural wind inside micro-blower
It is filtered, to reduce the sucking of dust in air, it is purer clean to make the natural wind of sucking, and cooperate air-exhausting duct
Design, can enable to be blown into face of the natural wind inside mask towards user, thus achieve the purpose that cooling, user
Experience is more comfortable, and can also further enhance the flow velocity of air.
Detailed description of the invention
Fig. 1 is the utility model front schematic view；
Fig. 2 is the utility model Fig. 1 reverse side schematic diagram；
Fig. 3 is the schematic internal view of the utility model protective head screen and protection face screen；
Fig. 4 is that the utility model head supporting structure overlooks face schematic diagram；
Fig. 5 is the utility model adjusting knob front schematic view.
In figure: 1, head supporting structure；2, overhead consoles；3, exhaust column；4, it switchs；5, micro-blower；6, protective head screen；
7, blast pipe；8, first band tooth headband；9, protection face screen；10, screw；11, fixed block；12, filtering plug；13, battery case；
14, air supply tube；15, ventilation opening；16, air-exhausting duct；17, card slot；18, the second band tooth headband；19, adjusting knob；191, bearing；
192, shaft with gear bar；193, release handle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of protective face mask, including head supporting structure 1, protective head screen 6
With protection face screen 9, the inner cavity of head supporting structure 1 offers channel, and the two sides of 1 inner cavity of head supporting structure slidably connect respectively
One band tooth headband 8 and the second band tooth headband 18, the middle part of head supporting structure 1 is fixedly installed with adjusting knob 19, adjusting knob 19
Including the bearing 191 being fixedly connected with head supporting structure 1, the inner ring of bearing 191 runs through and has been keyed shaft with gear bar 192, band
The top and bottom of tooth shaft bar 192 are fixedly connected to release handle 193, and the design of release handle 193 facilitates staff to adjust behaviour
Make, the top of shaft with gear bar 192 is engaged with first band tooth headband 8, and the lower section of shaft with gear bar 192 is nibbled with the second band tooth headband 18
It closes, first band tooth headband 8 and second is connected with protective head screen 6, protective head screen far from the side of head supporting structure 1 with tooth headband 18
6 be hemisphere curved transparent screen, offers card slot 17 below 6 inner cavity of protective head screen, protection face screen 9 is connected in card slot 17,
Protection face screen 9 is cambered surface plate transparent screen, and the middle part of head supporting structure 1 is equipped with overhead consoles 2, crown branch by screw 10
Be separately installed with battery case 13, switch 4 and micro-blower 5 on frame 2, micro-blower 5, battery case 13 and 4 three of switch it
Between connected for electric wire, the suction opening of micro-blower 5 is communicated with exhaust column 3, air-supply is communicated at the air outlet of micro-blower 5
Pipe 14, the tube body of air supply tube 14 are pasted on the outer surface of protective head screen 6, and air inlet is equidistantly communicated on the pipeline of air supply tube 14
Several ventilation openings 15 opened up on pipe 7, the one end of blast pipe 7 far from air supply tube 14 and protective head screen 6 are connected to one by one, ventilation opening 15
It is communicated with air-exhausting duct 16 at the nozzle inside protective head screen 6, air-exhausting duct 16 is corrugated flexible hose, and air-exhausting duct 16 is to protection face
Shield the inclination of 9 sides.
It please refers to shown in Fig. 1, Fig. 2 and Fig. 3, filtering plug 12 is installed at the nozzle of exhaust column 3, in the inner cavity of filtering plug 12
Filled with active carbon, which can will be sucked inside micro-blower 5 by the design of exhaust column 3 and filtering plug 12
Natural wind be filtered, to reduce the sucking of dust in air, it is purer clean to make the natural wind of sucking, and cooperate
The design of air-exhausting duct 16 is equipped with dust-filtering net at the nozzle of air-exhausting duct 16, can make to be blown into the natural wind energy inside mask
Enough faces towards user, to achieve the purpose that cooling, user's experience is more comfortable, and can also further enhance sky
The flow velocity of gas.
Working principle: when in use, user is passed through by the way that head supporting structure 1 and overhead consoles 2 to be fixed on head
The release handle 193 on shaft with gear bar 192 is rotated, so that shaft with gear bar 192 be made to drive first band tooth headband 8 and the second band tooth headband
18 movement to make the elastic of head supporting structure 1 that can be adjusted, and can adjust protection face screen 9 and protective head
Screen 6, by being put into battery in battery case 13, then starts switch 4, makes micro-blower 5 at a distance from staff face
Work, thus make micro-blower 5 by air natural wind be pumped into exhaust column 3 in, air enter exhaust column 3 when,
It is filtered, is then fed in air supply tube 14 for the first time by the active carbon inside filtering plug 12, entered by air supply tube 14
In blast pipe 7, is then entered in ventilation opening 15 by blast pipe 7, be discharged by the air-exhausting duct 16 on ventilation opening 15, and
When discharge, the strainer in air-exhausting duct 16 filters air again, reduces the dust content in air, and discharged air increases
Air velocity inside fast mask, achievees the purpose that ventilation and demisting.
In conclusion the protective face mask, has the advantages that protective face mask ventilation, solve makes one to feel during wearing mask
To the problem of sultry, protective face mask hazes.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of protective face mask, including head supporting structure (1), protective head screen (6) and protection face screen (9), it is characterised in that: described
The inner cavity of head supporting structure (1) offers channel, and the two sides of head supporting structure (1) inner cavity slidably connect first band respectively
Tooth headband (8) and the second band tooth headband (18), are fixedly installed with adjusting knob (19), institute in the middle part of the head supporting structure (1)
Stating adjusting knob (19) includes the bearing (191) being fixedly connected with head supporting structure (1), and the inner ring of the bearing (191) runs through
And key connection has shaft with gear bar (192), the top of the shaft with gear bar (192) is engaged with first band tooth headband (8), the band tooth
The lower section of shaft (192) is engaged with the second band tooth headband (18), and the first band tooth headband (8) and the second band tooth headband (18) are remote
Side from head supporting structure (1) connects protective head screen (6), offers card slot (17) below protective head screen (6) inner cavity,
It is connected with protection face screen (9) in the card slot (17), the middle part of the head supporting structure (1) is equipped with head by screw (10)
Ceiling hold (2) is separately installed with battery case (13), switch (4) and micro-blower (5) on the overhead consoles (2), described micro-
It is connected between type air blower (5), battery case (13) and switch (4) three for electric wire, the suction opening of the micro-blower (5) connects
It is connected with exhaust column (3), is communicated with air supply tube (14) at the air outlet of the micro-blower (5), the pipe of the air supply tube (14)
Body is pasted on the outer surface of protective head screen (6), is equidistantly communicated with blast pipe (7), institute on the pipeline of the air supply tube (14)
It states blast pipe (7) to be connected to one by one far from several ventilation openings (15) opened up on the one end and protective head screen (6) of air supply tube (14), institute
It states and is communicated with air-exhausting duct (16) at the nozzle that ventilation opening (15) is located inside protective head screen (6).
2. a kind of protective face mask according to claim 1, it is characterised in that: be equipped at the nozzle of the exhaust column (3)
Filtering plug (12) is filled with active carbon in the inner cavity of the filtering plug (12).
3. a kind of protective face mask according to claim 1, it is characterised in that: the top and bottom of the shaft with gear bar (192)
Portion is fixedly connected to release handle (193).
4. a kind of protective face mask according to claim 1, it is characterised in that: be equipped at the nozzle of the air-exhausting duct (16)
Dust-filtering net, the air supply tube (14) are equipped with one piece for fixing consolidating for air supply tube (14) close to the one end of overhead consoles (2)
Determine block (11).
5. a kind of protective face mask according to claim 1, it is characterised in that: the protective head screen (6) is hemisphere curved
Transparent screen, the protection face screen (9) are cambered surface plate transparent screen.
6. a kind of protective face mask according to claim 1, it is characterised in that: the air-exhausting duct (16) is corrugated flexible hose, and
Air-exhausting duct (16) is tilted to protection face screen side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053010.8U CN209437914U (en) | 2018-12-07 | 2018-12-07 | A kind of protective face mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053010.8U CN209437914U (en) | 2018-12-07 | 2018-12-07 | A kind of protective face mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209437914U true CN209437914U (en) | 2019-09-27 |
Family
ID=68013624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053010.8U Expired - Fee Related CN209437914U (en) | 2018-12-07 | 2018-12-07 | A kind of protective face mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209437914U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111317927A (en) * | 2020-04-20 | 2020-06-23 | 南通大学附属医院 | Multifunctional medical protective mask and using method thereof |
| CN111714799A (en) * | 2020-07-27 | 2020-09-29 | 桑浩坤 | Wind screen type face mask |
| RU2744945C1 (en) * | 2020-12-16 | 2021-03-17 | Владимир Викторович Михайлов | Protective face mask |
| RU2757947C1 (en) * | 2020-09-10 | 2021-10-25 | Владимир Викторович Михайлов | Protective face shield |
-
2018
- 2018-12-07 CN CN201822053010.8U patent/CN209437914U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111317927A (en) * | 2020-04-20 | 2020-06-23 | 南通大学附属医院 | Multifunctional medical protective mask and using method thereof |
| CN111714799A (en) * | 2020-07-27 | 2020-09-29 | 桑浩坤 | Wind screen type face mask |
| RU2757947C1 (en) * | 2020-09-10 | 2021-10-25 | Владимир Викторович Михайлов | Protective face shield |
| RU2744945C1 (en) * | 2020-12-16 | 2021-03-17 | Владимир Викторович Михайлов | Protective face mask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 Termination date: 20211207 |