CN213760271U - A forced ventilation mask - Google Patents
A forced ventilation mask Download PDFInfo
- Publication number
- CN213760271U CN213760271U CN202022823557.9U CN202022823557U CN213760271U CN 213760271 U CN213760271 U CN 213760271U CN 202022823557 U CN202022823557 U CN 202022823557U CN 213760271 U CN213760271 U CN 213760271U
- Authority
- CN
- China
- Prior art keywords
- air
- air inlet
- helmet
- blower
- forced ventilation
- 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
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 21
- 239000010410 layer Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 9
- 239000000779 smoke Substances 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
本实用新型公开了一种强制通风面罩，包括封闭式头盔，设置于所述封闭式头盔上进风端方向朝下的宝塔形进风管，设置于所述封闭式头盔内与封闭式头盔顶部形成中空夹层的隔层，设置于所述封闭式头盔内侧中空夹层中的鼓风机、电源以及将鼓风机与电源电气连接的控制组件；所述进风管包括设置于管口的过滤网以及设置于管中限位网和二次过滤层。本实用新型提供的强制通风面罩能够对空气进行过滤，避免被粉尘或烟雾污染的空气对佩戴者的身体造成影响；进风管与软管相连更加快捷，且连接后的连接部位具有优异密封性；利用鼓风机向封闭式头盔中吹出风，促进封闭式头盔内部的空气流动，带走热量，避免水蒸气液化而阻挡佩戴者的视线。
The utility model discloses a forced ventilation mask, comprising a closed helmet, a pagoda-shaped air inlet pipe arranged on the upper air inlet end of the closed helmet facing downward, and arranged in the closed helmet and formed with the top of the closed helmet The partition of the hollow interlayer, the blower, the power supply, and the control assembly electrically connecting the blower and the power supply are arranged in the hollow interlayer inside the closed helmet; Limit net and secondary filter layer. The forced ventilation mask provided by the utility model can filter the air, so as to avoid the influence of the air polluted by dust or smoke on the wearer's body; the connection between the air inlet pipe and the hose is quicker, and the connection part after connection has excellent sealing performance ; Use the blower to blow the wind into the closed helmet, promote the air flow inside the closed helmet, take away the heat, and prevent the water vapor from liquefying and blocking the wearer's sight.
Description
Technical Field
The utility model relates to a face guard technical field especially relates to a forced draft face guard.
Background
In welding or some workplaces with more smog and dust, the smog or the dust dispersed in the air is easily sucked into the body by workers, and further serious threats are caused to the health of the workers.
Generally, workers in these places wear masks or helmets to filter or isolate smoke or dust, but the degree of filtering or isolating smoke or dust by wearing masks or helmets is not ideal, and particularly, when the workers work in special places such as pit bottoms for a long time, polluted air can still enter the masks or helmets, which threatens the health of the workers, and in addition, water vapor exhaled by the workers is easily liquefied on goggles of the masks or helmets, so that the vision of the workers is blocked, which is very inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a forced ventilation mask, which comprises a closed helmet, a tower-shaped air inlet pipe connected to the outer surface of the closed helmet and having an air inlet end facing downward, an interlayer disposed in the closed helmet and forming a hollow interlayer with an inner cavity of the closed helmet, an air blower and a power supply disposed in the hollow interlayer, and a control assembly disposed outside the closed helmet and electrically connecting the air blower and the power supply; the air inlet pipe comprises a filter screen arranged at the mouth of the air inlet end pipe, and a limiting net and a secondary filter layer arranged in the air inlet end pipe.
Preferably, the control assembly includes a rotary switch electrically connected to the blower.
Preferably, the filter screen is detachably connected with a pipe orifice at the air inlet end of the air inlet pipe.
Preferably, the closed helmet comprises a visor and an air outlet arranged at the bottom end of the closed helmet.
Preferably, the secondary filter layer is an activated carbon layer or filter cotton.
Preferably, the filter screen is an air filter screen or a mask.
Preferably, the air inlet end of the air inlet pipe is connected with a hose.
Preferably, a filter layer is arranged on the air outlet.
By adopting the technical scheme, the utility model discloses mainly have following technological effect:
1. through set up filter screen and secondary filter layer in the air-supply line, filter the air that gets into in the closed helmet, reduce the air pollution possibility in getting into the closed helmet, avoid causing the influence to wearer's health by dust or smog contaminated air.
2. Through setting up the air-supply line of pagoda shape for the air-supply line links to each other more swiftly with the hose, and the air-supply line after connecting has excellent leakproofness with the connection position of hose, can guarantee to get into the cleanliness factor of air in the closed helmet, in addition, links to each other with the hose through the air-supply line, can also guarantee that the person of wearing also can provide clean air to the person of wearing when carrying out the work under special environment such as the end of a pit.
3. Blow to closed helmet in through setting up the air-blower, promote the inside air flow of closed helmet, in time take away the heat that the wearer breathes the production, avoid the wearer to breathe and produce vapor and liquefy on the goggles of closed helmet and block wearer's sight.
Drawings
Fig. 1 is a schematic structural view of a forced ventilation mask of the present invention;
FIG. 2 is a schematic view of an air inlet pipe of a forced draft mask according to the present invention;
fig. 3 is a schematic structural view of the inside of the air intake pipe in the forced draft mask of the present invention.
Wherein the reference numerals have the following meanings:
1. a closed helmet; 11. goggles; 12. an air outlet; 13. an interlayer adjusting knob;
2. an air inlet pipe; 21. a filter screen; 22. a limiting net; 23. a secondary filtering layer;
3. a blower;
4. a power source;
5. a control component; 51. a knob switch.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1-3, the utility model provides a forced draft face guard, it includes closed helmet 1, set up in closed helmet 1 is last and the orientation pagoda-shaped air-supply line 2 down, set up in 1 inboard air-blower 3 and the power 4 of closed helmet, and set up in the outside control assembly 5 of closed helmet 1, wherein, control assembly 5 and air-blower 3 electrical connection. It should be noted that, in the present embodiment, the closed helmet 1 can effectively isolate harmful substances such as dust and smoke, and is suitable for operators in workplaces with much welding or smoke and dust.
The air outlet end of the air inlet pipe 2 is arranged at a position corresponding to the back of the wearer on the closed helmet 1, the air inlet end of the air inlet pipe 2 is arranged in a manner that the pipe orifice inclines downwards, the air inlet end is connected with a hose (not shown in the figure), so that clean air can be conveyed into the closed helmet 1 through the hose, furthermore, in the embodiment, the air inlet pipe 2 is in a pagoda shape, when the air inlet pipe 2 is connected with other pipe fittings such as a hose and the like, an operator can fix the connection part of the air inlet pipe 2 and the hose through a limiting piece (not shown in the figure), the connection mode is convenient and fast, meanwhile, as the air inlet pipe 2 is in a pagoda shape, when the limiting piece fixes the hose and the air inlet pipe 2, the hose can be tightly attached to the outer wall of the air inlet pipe 2, so that the connection part of the air inlet pipe 2 and the hose has excellent sealing performance, and the air inlet pipe 2 is connected with the hose, the hose can be used for conveying clean air to the air inlet pipe 2, so that a wearer can be provided with clean air when performing electric welding operation in special environments such as a pit bottom, and the possibility of pollution of the clean air is reduced due to excellent sealing performance of the connecting part.
Further, in order to ensure that clean air is input into the closed helmet 1, the air inlet port of the air inlet pipe 2 is provided with a filter screen 21, the filter screen 21 can effectively filter dust or smoke and other substances harmful to the wearer, so as to ensure normal breathing of the wearer, and the type of the filter screen 21 is not particularly limited, for example, the filter screen 21 can be an air filter screen, and in some construction sites, in order to increase the practicability of the filter screen 21, the filter screen 21 can also be a mask and other articles which have a filtering effect and are easy to obtain. In the process of using the forced ventilation mask, in order to facilitate the cleaning or replacement of the filter screen 21, the filter screen 21 is detachably connected with the air inlet port of the air inlet pipe 2.
In order to further improve the cleanliness of the air entering the closed helmet 1, in this embodiment, a secondary filter layer 23 with better filtering effect, such as an activated carbon layer or filter cotton, may be further disposed in the air inlet port of the air inlet pipe 2. In addition, for fixed secondary filter layer 23, still be equipped with a spacing net 22 on the air inlet end inner wall of air-supply line 2, secondary filter layer 23 inlays to be established between spacing net 22 and filter screen 21 in order to fix in air-supply line 2, utilizes filter screen 21 and air-supply line 2 to be connected dismantled, takes off filter screen 21 and can change secondary filter layer 23 in the air-supply line 2, convenient and fast.
Furthermore, an interlayer is arranged at the part of the closed helmet 1 which is tightly attached to the top of the head of the wearer, a hollow interlayer is formed between the interlayer and the inner cavity of the closed helmet 1, and a gap which is convenient for air to flow is arranged at the part of the hollow interlayer corresponding to the forehead. Wherein, still be equipped with the interlayer adjust knob 13 of an adjustable interlayer size on the interlayer, through adjusting interlayer adjust knob 13 for operating personnel can adjust the size of interlayer according to the size of wearer's head, with the wearer that is applicable to various figures differences, and then strengthens the practicality of forced draft face guard. The hollow interlayer is internally provided with a blower 3 and a power supply 4, and the bottom of the closed helmet 1 and the part corresponding to the cheek of the wearer are provided with a control component 5 which electrically connects the blower 3 and the power supply 4.
Further, the blower 3 is used for blowing air into the closed helmet 1 to promote the air flow inside the closed helmet 1, and because the blower 3 is disposed at the top end of the closed helmet 1, the air blown from the blower 3 will flow downwards from the top end and flow out through the gap of the hollow interlayer, so as to promote the air in the closed helmet 1 to flow from the top to the bottom, and further promote the air flow inside the closed helmet 1, and in this embodiment, the blower 3 is a silent micro blower to further reduce the interference to the wearer, and the power supply 4 is used for providing power for the operation of the blower 3, in this embodiment, the power supply 4 is a large-capacity rechargeable lithium battery, which has a long service life and excellent cruising ability, and in addition, in order to facilitate the charging of the operator into the power supply 4, the inside of the closed helmet 1 is further provided with a charging port (not shown in the figure) matched with a charging wire of a mobile phone, the operator can charge the power supply 4 by using a common charging wire of the mobile phone, the control assembly 5 is used for controlling the running state of the blower 3 so as to adjust the running state of the blower 3, the arrangement and position of the control assembly 5 are not limited herein, for example, the control assembly 5 may be a switch and a governor, the switch is used for controlling the operation and the stop of the blower 3, the speed regulator is used for regulating the wind power in the blower 3, thereby meeting different requirements of wearers and enhancing the practicability of the forced ventilation mask, the control component 5 can also be a knob switch, the start and stop of the air blower 3 can be controlled through the knob switch, and can also control the wind power of the blower 3, preferably, in this embodiment, the control component 5 is a knob switch 51, the knob switch 51 is provided on the outside of the closed-type helmet 1 at a position corresponding to the wearer's ear. In addition, through setting up air-blower 3, power 4 in the cavity intermediate layer of closed helmet 1, when avoiding influencing the wearer and wearing experience, still have certain waterproof function, reduce the interference of external to air-blower 3 and power 4. Furthermore, the interlayer can be arranged so that the air blown out from the blower can directly blow to the interlayer, and discomfort caused by direct blowing to the top of the head of a wearer is avoided. In addition, because the air that air-blower 3 blew out has promoted the air flow of cavity intermediate layer in the closed helmet 1, and the direction of flow is from last to bottom, consequently the air can in time take away the steam that the wearer breathes the production at the in-process that flows, avoids forming vapor liquefaction and block the sight of wearer on closed helmet 1's goggles 11, it needs to explain here that, in this embodiment, goggles 11 can be ordinary glass goggles, also can be welding dedicated goggles, goggles 11 can dismantle with closed helmet 1 and be connected, and operating personnel can select suitable goggles to change or install according to the demand of oneself.
In another possible embodiment, a rechargeable blower 3 may be used instead of the blower 3 and the power source 4, as long as the blower 3 can operate and promote the air flow inside the closed helmet 1.
Furthermore, in order to discharge the heat and air generated by the wearer after breathing, an air outlet 12 is arranged at the bottom end of the closed helmet 1 corresponding to the chin of the wearer, so that the air enters the closed helmet 1 from the air inlet pipe 2 and is discharged from the air outlet 12 to complete the flow of the air in the closed helmet 1, and in addition, in order to reduce the possibility of polluting the air in the closed helmet 1, a filter layer can be arranged on the air outlet 12.
Finally, it should be noted that: the embodiment of the present invention is only disclosed as a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823557.9U CN213760271U (en) | 2020-11-30 | 2020-11-30 | A forced ventilation mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823557.9U CN213760271U (en) | 2020-11-30 | 2020-11-30 | A forced ventilation mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213760271U true CN213760271U (en) | 2021-07-23 |
Family
ID=76894922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022823557.9U Expired - Fee Related CN213760271U (en) | 2020-11-30 | 2020-11-30 | A forced ventilation mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213760271U (en) |
-
2020
- 2020-11-30 CN CN202022823557.9U patent/CN213760271U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |