CN207253592U - A kind of direct-connected gas mask - Google Patents
A kind of direct-connected gas mask Download PDFInfo
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- CN207253592U CN207253592U CN201721089594.3U CN201721089594U CN207253592U CN 207253592 U CN207253592 U CN 207253592U CN 201721089594 U CN201721089594 U CN 201721089594U CN 207253592 U CN207253592 U CN 207253592U
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- gas mask
- canister
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- screw thread
- gas
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Abstract
The utility model discloses a kind of direct-connected gas mask, need to connect gas mask and canister by gas-guide tube for traditional gas mask, so that action is inconvenient, advantageous embodiment is made, the utility model is simple in structure, flat-shaped fixed rope is sewed with head-shield, tri-glide is provided with several, and is uniformly arranged on gas mask, different by pull position of the fixed rope in tri-glide, it can adjust, be adapted to the user of various head dummys；Three-level canister is matched by screw thread one and screw thread two, can be arranged directly on air filtration mouth, canister is directly connected on mask, more convenient to use without adding gas-guide tube, flexibility is stronger using direct-connected by three-level canister.
Description
Technical field
Chemical experiment apparatus field is the utility model is related to, is specially a kind of direct-connected gas mask.
Background technology
Chemical enterprise has various chemical industry equipments and chemical substance, in the processing of various emergency episodes（Run, emit, dripping,
Leakage）Or during overhaul of the equipments, what staff often faced is various acid, alkalescence gas liquids etc..To prevent chemistry
Infringement of the material to staff, especially facial protection, it is necessary to be equipped with breathing mask.Existing full facepiece mask breathing mask
Structure breathing mask mainly be made of the component such as filter, mask, face, exhalation vents and headband or net cap.It is this anti-
Malicious mask is waited when in use generally requires gas-guide tube connection canister and gas mask, canister are directly inserted between waistband,
But under this mode, one, which carrys out gas-guide tube, easily loosens, two, which carry out canister, is arranged on loins so that wearer's action is inconvenient.
Utility model content
It is proposed in the above background technology to solve the purpose of this utility model is to provide a kind of direct-connected gas mask
Problem.
To achieve the above object, the utility model provides following technical solution：A kind of direct-connected gas mask, including gas defence
Mask, head-shield and three-level canister, the gas mask front portion are provided with mouth vent hood, and the mouth vent hood surrounding is set
Have a blow vent of the connection inside the gas mask, the mouth vent hood front end offer with gas mask communication bores, and
The air filtration mouth communicated with the external world, it is characterised in that：Canister fixing device, the filter are fixedly installed on the outside of the air filtration mouth
Three-level canister is provided with malicious tank fixing device.
Preferably, the gas mask is connected with head-shield by tri-glide.
Through the above technical solutions, being sewed with flat-shaped fixed rope on head-shield, tri-glide is provided with several, and uniformly
It is arranged on gas mask, it is different by pull position of the fixed rope in tri-glide, it can adjust, be adapted to making for various head dummys
User.
Preferably, described three-level canister one end is provided with a cylinder, and the cylinder is provided outside screw thread one, described
A cylinder groove is provided with canister fixing device, the groove inner surface offers screw thread two.
Preferably, the cylinder outer diameter is consistent with cylinder groove interior diameter, and screw thread one matches with screw thread two.
Through the above technical solutions, three-level canister is matched by screw thread one and screw thread two, filter can be arranged directly on
On gas port, canister is directly connected on mask using direct-connected by three-level canister, without adding gas-guide tube, using rising
Next more convenient, flexibility is stronger.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in structure, is sewed with head-shield
Flat-shaped fixed rope, tri-glide are provided with several, and are uniformly arranged on gas mask, by fixed rope in tri-glide
Pull position it is different, can adjust, be adapted to the user of various head dummys；Three-level canister passes through screw thread one and screw thread two-phase
Match somebody with somebody, can be arranged directly on air filtration mouth, canister is directly connected on mask, nothing using direct-connected by three-level canister
Gas-guide tube need to be added, more convenient to use, flexibility is stronger.
Brief description of the drawings
Fig. 1 is the utility model left view；
Fig. 2 is the utility model front view；
Fig. 3 is the utility model three-level canister attachment structure schematic diagram phantom.
In figure：1- gas masks；2- head-shields；3- three-level canisters；4- mouth vent hoods；5- blow vents；7- air filtration mouths；
8- canister fixing devices；9- tri-glides；31- cylinders；32- screw threads one；81- cylinder grooves；82- screw threads two.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in drawings, the utility model provides a kind of technical solution：A kind of direct-connected gas mask, including gas mask
1st, head-shield 2 and three-level canister 3,1 front portion of gas mask are provided with mouth vent hood 4, and 4 surrounding of mouth vent hood is set
The blow vent 5 of the connection inside gas mask is equipped with, 4 front end of mouth vent hood offers and gas mask communication bores
And the air filtration mouth 7 communicated with the external world, it is characterised in that：The outside of air filtration mouth 7 is fixedly installed canister fixing device 8,
The three-level canister 3 is arranged in canister fixing device 8.Wherein canister fixing device 8 connects with the buckle of gas mask 1
Connect or unitary design.Blow vent 7 is provided with three in the present embodiment.
Preferably, the gas mask 1 and head-shield 2 are connected by tri-glide 9.
Through the above technical solutions, being sewed with flat-shaped fixed rope on head-shield 2, tri-glide 9 is provided with several, and
It is even to be arranged on gas mask 2, it is different by pull position of the fixed rope in tri-glide 9, it can adjust, be adapted to various head dummys
User.
Preferably, described 3 one end of three-level canister is provided with a cylinder 31, and the cylinder 31 is provided outside screw thread one
32, a cylinder groove 81 is provided with the canister fixing device 8, and 81 inner surface of cylinder groove offers screw thread
2 82.
Preferably, 31 overall diameter of cylinder is consistent with 81 interior diameter of cylinder groove, and screw thread 1 and screw thread two
82 match.
Through the above technical solutions, three-level canister 3 is matched by screw thread 1 and screw thread 2 82, can directly set
On air filtration mouth 7, the use of three-level canister 3 is direct-connected, i.e., canister is directly connected on mask, without adding gas-guide tube,
More convenient to use, flexibility is stronger.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in structure, is sutured on head-shield 2
There is flat-shaped fixed rope, tri-glide 9 is provided with several, and is uniformly arranged on gas mask 1, by fixed rope in day word
Pull position on button 9 is different, can adjust, and is adapted to the user of various head dummys；Three-level canister 3 passes through screw thread 1 and spiral shell
Line 2 82 matches, and can be arranged directly on air filtration mouth 7, and the use of three-level canister 3 is direct-connected, i.e., is directly connected to canister
Onto mask, more convenient to use without adding gas-guide tube, flexibility is stronger.
When the utility model comes into operation, wear according to traditional gas mask mode, then rotate into three-level canister 3
In canister fixing device 8.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of direct-connected gas mask, including gas mask（1）, head-shield（2）With three-level canister（3）, the gas mask
（1）Front portion is provided with mouth vent hood（4）, the mouth vent hood（4）Surrounding is provided with the logical of gas mask inside connection
Gas port（5）, the mouth vent hood（4）Front end offers and gas mask（1）Communication bores and the air filtration communicated with the external world
Mouthful（7）, it is characterised in that：The air filtration mouth（7）Outside is fixedly installed canister fixing device（8）, the three-level filter poison
Tank（3）It is arranged on canister fixing device（8）On.
A kind of 2. direct-connected gas mask according to claim 1, it is characterised in that：The gas mask（1）And head-shield
（2）Pass through tri-glide（9）Connection.
A kind of 3. direct-connected gas mask according to claim 1, it is characterised in that：The three-level canister（3）One end
It is provided with a cylinder（31）, the cylinder（31）It is provided outside screw thread one（32）, the canister fixing device（8）On set
It is equipped with a cylinder groove（81）, the cylinder groove（81）Inner surface offers screw thread two（82）.
A kind of 4. direct-connected gas mask according to claim 3, it is characterised in that：The cylinder（31）Overall diameter with
Cylinder groove（81）Interior diameter is consistent, and screw thread one（32）With screw thread two（82）Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721089594.3U CN207253592U (en) | 2017-08-29 | 2017-08-29 | A kind of direct-connected gas mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721089594.3U CN207253592U (en) | 2017-08-29 | 2017-08-29 | A kind of direct-connected gas mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207253592U true CN207253592U (en) | 2018-04-20 |
Family
ID=61923306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721089594.3U Active CN207253592U (en) | 2017-08-29 | 2017-08-29 | A kind of direct-connected gas mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207253592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011249A (en) * | 2018-08-11 | 2018-12-18 | 贵州大学 | A kind of mining isolated self-rescuer mask |
| CN109589515A (en) * | 2018-12-14 | 2019-04-09 | 唐山市化学厂有限公司 | A kind of double window eye gas mask |
| CN112337001A (en) * | 2020-11-12 | 2021-02-09 | 江西诺捷科技股份有限公司 | Convenient-to-clamp gas mask |
-
2017
- 2017-08-29 CN CN201721089594.3U patent/CN207253592U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011249A (en) * | 2018-08-11 | 2018-12-18 | 贵州大学 | A kind of mining isolated self-rescuer mask |
| CN109589515A (en) * | 2018-12-14 | 2019-04-09 | 唐山市化学厂有限公司 | A kind of double window eye gas mask |
| CN112337001A (en) * | 2020-11-12 | 2021-02-09 | 江西诺捷科技股份有限公司 | Convenient-to-clamp gas mask |
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