CN207575576U - A kind of chemical experiment gas mask of multi-filtering layer - Google Patents
A kind of chemical experiment gas mask of multi-filtering layer Download PDFInfo
- Publication number
- CN207575576U CN207575576U CN201721589913.7U CN201721589913U CN207575576U CN 207575576 U CN207575576 U CN 207575576U CN 201721589913 U CN201721589913 U CN 201721589913U CN 207575576 U CN207575576 U CN 207575576U
- Authority
- CN
- China
- Prior art keywords
- filtering layer
- groove
- placing groove
- mask
- groove body
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of chemical experiment gas mask for the multi-filtering layer that protection effect is good, comfort level is good, including mask body, filtering layer assembly;The filtering layer assembly includes the filtering layer placing groove for being formed as multilayered structure and the filtering layer in every layer of filtering layer placing groove;The filtering layer placing groove of multilayer is laid, and into layered structure by the front end of the mask body towards the front of the mask body;The sectional dimension for the filtering layer placing groove for being placed in front end is not more than the sectional dimension for the filtering layer placing groove for being placed in rear end;A kind of chemical experiment gas mask of multi-filtering layer provided by the utility model, multilayer filtering layer placing groove is sequentially overlapped by the filtering layer assembly of compound installation, the value volume and range of product of filtering layer being inlaid in filtering layer placing groove is independently selected according to experimental situation, it is easy to operate, it is highly practical.
Description
Technical field
The utility model is related to equipment of chemical industry, chemical auxiliary Tools Technology more particularly to one kind to have multilayer
The chemical experiment gas mask of filtering layer.
Background technology
In laboratory, especially chemical laboratory, chemical species are various, pharmacological property is complicated;And it is most of have it is certain
Toxicity.Indoor staff is tested daily in face of these drugs and chemical reagent etc., can be given out when testing
Poisonous and hazardous hazardous gas, meanwhile, respective gases damage human body by respiration, for example toxicity is larger
Cyanide, even if sucking will also result in life danger on a small quantity;In addition, other than toxic and harmful gas, also dust, smog etc.
It is unfavorable for the processing of the needs such as the finely ground particles of health and isolation.
Notification number is:CN204864602U, the applying date are entitled for one disclosed on 08 21st, 2015《Totally-enclosed silica gel
Gas mask》Chinese utility model patent application in, describe it is a kind of can be by silica gel gas defence that user's head is all wrapped up
Mask, while integral structure is employed, in the structure of entire gas mask, only in oral area there are air hole, and utilize filtering layer
It separates;
Publication No.:CN106581880A, the applying date are entitled for one disclosed in 09 day December in 2016《A kind of chemistry is real
The gas mask tested》Chinese utility model patent application in, describe a kind of breathing mask of single filter boxlike, wherein, should
The filter box of gas mask is structure that is detachable, replacing, mainly for adapting to different experiments environment;
Although in conclusion use is can be ensured that in totally enclosed type silica gel gas mask structure disclosed in first documents
The leakproofness on the entire head in family, does not have pernicious gas or dust enters gas mask, still, due to the structure that it is wrapped up entirely,
It makes the gas mask usage comfort poor, and filter layer is non-exchange, institute can not be met for complicated laboratory environment
There is test requirements document;In addition, it is non-exchange that boxlike gas mask mainly solution filtering layer is singly filtered disclosed in second documents
Problem, still, box-like in filtering, forepart is formed as standing shape, and the particular service requirement for being also unfavorable for laboratory uses;
Therefore, different experiments room environmental can be had more there are no one kind arbitrarily replace filtering layer or according to multiple in the prior art
The gas mask of multi-filtering layer structure that miscellaneous laboratory environment uses.
Utility model content
The purpose of this utility model is to provide a kind of chemical experiment gas defence face for the multi-filtering layer that protection effect is good, comfort level is good
Cover.
To achieve these goals, the utility model provides following technical solution:
A kind of chemical experiment gas mask of multi-filtering layer disclosed in the utility model, including:
Mask body;
Layer assembly is filtered, the filtering layer assembly is set to the front end of the mask body, is placed in user's mouth position
Place;
Eyeshade portion is additionally provided on the mask body, glasses are embedded in the eyeshade portion;
The filtering layer assembly includes being formed as the filtering layer placing groove of multilayered structure and flush-mounted in every layer of filtering layer placing groove
Interior filtering layer;
The filtering layer placing groove of multilayer is laid by the front end of the mask body towards the front of the mask body, and
Into layered structure;
The sectional dimension for the filtering layer placing groove for being placed in front end is not more than section for the filtering layer placing groove for being placed in rear end
Face size;
The back side of the mask body is provided with fixed band, and the mask body is fixed on user by the fixed band
Face;
The fixed band is for frenulum or velcro or with the strap latched.
Further, the rear end of the mask body is formed with concave part, and the mask body is fastened by the concave part
In the face of user;
The filtering layer placing groove includes the groove body that upper end opens, and the rear end of the groove body opens, the rear end of the groove body
Open end is formed with linking arm with extending back;
On the mask body and both sides of the front end of the groove body of the filtering layer placing groove offer connected slot;
By the linking arm and described between the groove body and the mask body and the two neighboring groove body
Connected slot installation is fixed;
The filtering layer is embedded in the groove body.
Further, the groove body is in the quadrangle trough body structure with cavity, and the upper surface of the groove body is equipped with
Capping.
Further, the filtering layer assembly is double-layer structure, respectively close to the first filter of mask body installation
Layer placing groove and the second filtering layer placing groove for being placed in the first filtering layer placement front of the slot;
The groove body of the first filtering layer placing groove is the first groove body, and the groove body of the second filtering layer placing groove is the second slot
Body;
The sectional dimension of second groove body is less than the sectional dimension of first groove body, and second groove body installation is solid
At the center of first groove body;
At the position that the mask body passes through the covering of first groove body for the fenestral fabric with through-hole the
One venthole is the latticed knot with through-hole at the position that the front end of first groove body passes through the covering of second groove body
Second venthole of structure, the front end face of second groove body are the third venthole of the fenestral fabric with through-hole;
The aperture of first venthole is more than the size of second venthole, and the size of second venthole is more than
The size of the third venthole;
The capping installed on first groove body is the first capping, and the capping installed on second groove body is the second envelope
Lid.
Further, the second filtering layer placing groove is two, and two the second filtering layer placing grooves are arranged side by side in institute
State the front end of the first filtering layer placing groove;And two the second filtering layer placing grooves are an integral structure.
Further, the front end of the second filtering layer placing groove is a plurality of along being horizontally arranged with for the second filtering layer placing groove
Gauze placing groove is each embedded with gauze in the gauze placing groove.
Further, it is compounded with warp layer cloth in each filtering layer.
In the above-mentioned technical solutions, the chemical experiment gas mask of a kind of multi-filtering layer provided by the utility model, by multiple
Multilayer filtering layer placing groove is sequentially overlapped by the filtering layer assembly for closing installation, is independently selected to be inlaid in filtering layer placement according to experimental situation
The value volume and range of product of filtering layer in slot, it is easy to operate, it is highly practical.
Description of the drawings
It in order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only described in the utility model
Some embodiments, for those of ordinary skill in the art, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the chemical experiment gas mask of a kind of multi-filtering layer that the utility model embodiment provides;
Fig. 2 is a kind of side view of the chemical experiment gas mask of multi-filtering layer shown in FIG. 1;
Fig. 3 is that a kind of groove body of the chemical experiment gas mask of multi-filtering layer shown in FIG. 1 and the interference fit of filtering layer are illustrated
Figure.
Reference sign:
1st, mask body;2nd, eyeshade portion;3rd, glasses;4th, the first filtering layer placing groove;5th, the second filtering layer placing groove;6th, the first envelope
Lid;7th, the second capping;8th, gauze placing groove;9th, silicagel pad;10th, the first venthole;11st, the second venthole;12nd, third is ventilated
Hole;13rd, linking arm;14th, filtering layer.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair
The utility model is further detailed.
Referring to shown in Fig. 1-3;
A kind of chemical experiment gas mask of the multi-filtering layer of the utility model, including:
Mask body 1;Layer assembly is filtered, filtering layer assembly is set to the front end of mask body 1, is placed in user's oral area position
Put place;Eyeshade portion 2 is additionally provided on mask body 1, glasses 3 are embedded in eyeshade portion 2;Filtering layer assembly includes being formed as multilayer
The filtering layer placing groove of structure and the filtering layer 14 in every layer of filtering layer placing groove;The filtering layer placing groove of multilayer is by mask master
The front end of body 1 is laid towards the front of mask body 1, and into layered structure;It is placed in the sectional dimension of the filtering layer placing groove of front end
No more than the sectional dimension for the filtering layer placing groove for being placed in rear end;In addition, dressing for convenience, set at the back side of mask body 1
There is fixed band, the mask body 1 is fixed on by user's face by fixed band;Fixed band is for frenulum or velcro or with lock
The strap of button.
Specifically, present embodiment discloses a kind of chemical experiment gas mask with multi-filtering layer, before mask body
End devises filtering layer component, wherein, which is in multilayered structure, and alkaline mistake can be selectively put into filtering layer component
Filtering layer or acid filter layer or active carbon layer or other desired filter layer, in addition, in order to place the convenient of filter layer and
The aesthetics of overall appearance, the filtering layer placing groove size that U.S. is regarded in the filtering layer assembly in eyesight is smaller closer to front end, presents
The trend subtracted, can will not block the filtering layer placing groove positioned at rear side when placing filtering layer 14 in this way is put into operation.
Preferably, the rear end of mask body 1 is formed with concave part, and mask body 1 is fastened on user's by the concave part
Face;Filtering layer placing groove includes the groove body that upper end opens, and the rear end of groove body opens, and the open end of the rear end of groove body extends back ground
It is formed with linking arm 13;On the mask body 1 and both sides of the front end of the groove body of filtering layer placing groove offer connected slot;
It is fixed between groove body and mask body 1 and two neighboring mask body 1 by linking arm 13 and connected slot installation;Slot
It is embedded with filtering layer 14 in vivo.For the comfort level of whole leakproofness and wearing, the present embodiment is spread in the inner ring of mask body 1
If one layer of silicagel pad 9, meanwhile, it is not blocked for the smooth and visual field of breathing, the present embodiment is in the eye of the silicagel pad 9
And oral area has opened up corresponding opening, it is allowed to be connected with mask body 1, with part bedding mask body 1.Go out from structure
Hair, the groove body that one upper end opens during filtering layer placing groove in the present embodiment, due to needing to be embedded in filtering layer 14 in filtering layer placing groove, and
Filtering layer 14 is used as respiration channel, stringent leakproofness is required for mask body 1 or even entire channel, therefore, in order to full
Sufficient seal request, the rear side of groove body is also open architecture, and when being embedded in filtering layer, the thickness of filtering layer 14 needs the slot slightly larger than groove body
Structure, in this way by interference fit, extra space in groove body can be filled full, air be allowed only to pass through from filtering layer 14.And
In order to facilitate repair, the groove body in the present embodiment employs the type of attachment of clamping, it can be installed or removed in mask master
On body 1, facilitate the residual particles accumulated due to long-time uses in later stage cleaning mask body 1 and groove body.
It is furthermore preferred that groove body is in the quadrangle trough body structure with cavity in said program, and the upper surface of groove body is installed
There is capping.For the stability and leakproofness of structure after installation filtering layer 14, gas is avoided to enter device from the top of groove body,
In the upper design capping of groove body, which can be clamping installation, the form that can be sliding slot, can also design hasp lock
Etc. forms.
Specifically, as the preferred technical solution of the present embodiment:Filtering layer assembly is double-layer structure, respectively close to mask
First filtering layer placing groove 4 of the installation of main body 1 and the second filtering layer placing groove 5 for being placed in 4 front end of the first filtering layer placing groove;First
The groove body of filtering layer placing groove 4 is the first groove body, and the groove body of the second filtering layer placing groove 5 is the second groove body;The section ruler of second groove body
The very little sectional dimension for being less than the first groove body, and the second groove body is mounted at the center of the first groove body;Mask body 1 passes through
It is the first venthole 10 of the fenestral fabric with through-hole at the position of the covering of one groove body, the front end of the first groove body passes through the
It is the second venthole 11 of the fenestral fabric with through-hole at the position of the covering of two groove bodies, the front end face of the second groove body is tool
There is the third venthole 12 of the fenestral fabric of through-hole;
Wherein, in said program the first venthole 10 aperture be more than the second venthole 11 size, the second venthole 11
Size be more than third venthole 12 size;The capping installed on first groove body is the first capping, is installed on the second groove body
It covers as the second capping.
It is described in said program in order to which overall effect is more attractive and will not interfere in the filtering layer placing groove by rear side and filters
Layer 14 is put into operation, and the size of the second groove body of the present embodiment needs to be less than the size of the first groove body, and for good filtration effect,
Bulky grain suspended material is avoided to enter filtering layer 14 and there are enough air circulations at breathing, in the present embodiment from the inside to the outside
The size of venthole is sequentially reduced.
Preferably, in the present embodiment the second filtering layer placing groove 5 be two, two the second filtering layer placing grooves 5 be arranged side by side in
The front end of first filtering layer placing groove 4;And two the second filtering layer placing grooves 5 are an integral structure.In addition, in the second filtering layer placing groove
Be horizontally arranged with a plurality of gauze placing groove 8 of 5 front end along the second filtering layer placing groove 5, is embedded in each gauze placing groove 8
Gauze.Gauze can be with absorbed portion suspended matter, and two the second filtering layer placing grooves 5 are to be able to selectively place needs
Filtering layer 14.Meanwhile in order to which filter effect is more preferable, warp layer cloth is compounded in each filtering layer 14.
In the above-mentioned technical solutions, the chemical experiment gas mask of a kind of multi-filtering layer provided by the utility model, by multiple
Multilayer filtering layer placing groove is sequentially overlapped by the filtering layer assembly for closing installation, is independently selected to be inlaid in filtering layer placement according to experimental situation
The value volume and range of product of filtering layer 14 in slot, it is easy to operate, it is highly practical.
Above certain exemplary embodiments that the utility model is only described by way of explanation, undoubtedly, for
Those of ordinary skill in the art, can be with a variety of different in the case of the spirit and scope without departing from the utility model
Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as
Limitation to the utility model claims protection domain.
Claims (7)
1. a kind of chemical experiment gas mask of multi-filtering layer, which is characterized in that including:
Mask body (1);
Layer assembly is filtered, the filtering layer assembly is set to the front end of the mask body (1), is placed in user's mouth position
Place;
Eyeshade portion (2) is additionally provided on the mask body (1), glasses (3) are embedded in the eyeshade portion (2);
The filtering layer assembly includes being formed as the filtering layer placing groove of multilayered structure and in every layer of filtering layer placing groove
Filtering layer (14);
The filtering layer placing groove of multilayer is laid by the front end of the mask body (1) towards the front of the mask body (1);
The sectional dimension for the filtering layer placing groove for being placed in front end is less than the sectional dimension for the filtering layer placing groove for being placed in rear end;
The back side of the mask body (1) is provided with fixed band, and the mask body (1) is fixed on use by the fixed band
Family face;
The fixed band is for frenulum or velcro or with the strap latched.
A kind of 2. chemical experiment gas mask of multi-filtering layer according to claim 1, which is characterized in that the mask body
(1) rear end is formed with concave part, and the mask body (1) is fastened on the face of user by the concave part;
The filtering layer placing groove includes the groove body that upper end opens, and the rear end of the groove body opens, the opening of the rear end of the groove body
End is formed with linking arm (13) with extending back;
On the mask body (1) and the both sides of the front end of the groove body of the filtering layer placing groove offer connected slot;
Between the groove body and the mask body (1) and the two neighboring groove body by the linking arm (13) and
The connected slot installation is fixed;
The filtering layer (14) is embedded in the groove body.
3. the chemical experiment gas mask of a kind of multi-filtering layer according to claim 2, which is characterized in that the groove body is in tool
There is the quadrangle trough body structure of cavity, and the upper surface of the groove body is equipped with capping.
A kind of 4. chemical experiment gas mask of multi-filtering layer according to claim 3, which is characterized in that the filter layer group
Part is double-layer structure, the first filtering layer placing groove (4) for respectively installing close to the mask body (1) and is placed in described the
The second filtering layer placing groove (5) of one filtering layer placing groove (4) front end;
The groove body of the first filtering layer placing groove (4) is the first groove body, and the groove body of the second filtering layer placing groove (5) is the second slot
Body;
The sectional dimension of second groove body is less than the sectional dimension of first groove body, and second groove body is mounted on
At the center of first groove body;
It is first of the fenestral fabric with through-hole at the position that the mask body (1) passes through the covering of first groove body
Venthole (10) is with the latticed of through-hole at the position that the front end of first groove body passes through the covering of second groove body
The second venthole (11) of structure, the front end face of second groove body are the third venthole of the fenestral fabric with through-hole
(12);
The aperture of first venthole (10) is more than the size of second venthole (11), second venthole (11)
Size is more than the size of the third venthole (12);
The capping installed on first groove body is the first capping (6), and the capping installed on second groove body is the second capping
(7)。
A kind of 5. chemical experiment gas mask of multi-filtering layer according to claim 4, which is characterized in that second filtering layer
Placing groove (5) is two, and two the second filtering layer placing grooves (5) are arranged side by side before the first filtering layer placing groove (4)
End;And two the second filtering layer placing grooves (5) are an integral structure.
A kind of 6. chemical experiment gas mask of multi-filtering layer according to claim 4, which is characterized in that second filtering layer
The front end of placing groove (5) is horizontally arranged with a plurality of gauze placing groove (8) along the second filtering layer placing groove (5), each described
Gauze is embedded in gauze placing groove (8).
A kind of 7. chemical experiment gas mask of multi-filtering layer according to claim 4, which is characterized in that each filtering layer
(14) warp layer cloth is compounded in.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721589913.7U CN207575576U (en) | 2017-11-24 | 2017-11-24 | A kind of chemical experiment gas mask of multi-filtering layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721589913.7U CN207575576U (en) | 2017-11-24 | 2017-11-24 | A kind of chemical experiment gas mask of multi-filtering layer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207575576U true CN207575576U (en) | 2018-07-06 |
Family
ID=62733356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721589913.7U Active CN207575576U (en) | 2017-11-24 | 2017-11-24 | A kind of chemical experiment gas mask of multi-filtering layer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207575576U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110917517A (en) * | 2018-09-19 | 2020-03-27 | 长沙环康科技有限公司 | Multifunctional filtering type full-face gas mask |
-
2017
- 2017-11-24 CN CN201721589913.7U patent/CN207575576U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110917517A (en) * | 2018-09-19 | 2020-03-27 | 长沙环康科技有限公司 | Multifunctional filtering type full-face gas mask |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203523849U (en) | Mask | |
CN204932646U (en) | The general protective face mask of a kind of convertible transaudient anti-biochemistry of respiration channel | |
KR100999860B1 (en) | Dust-proof masks | |
JPH0243510B2 (en) | ||
CN104757711B (en) | Protection type environmental protection mask | |
CN207575576U (en) | A kind of chemical experiment gas mask of multi-filtering layer | |
CN1981894B (en) | Respirator with air purifying function | |
CN209300310U (en) | Outdoor use mask | |
CN107875532A (en) | A kind of chemical experiment gas mask of multi-filtering layer | |
CN201523692U (en) | Multifunctional reusable mask | |
AU2015274731B2 (en) | Passive encasement zipper containment system | |
CN206150529U (en) | Face guard for nose | |
CN207822296U (en) | A kind of single filter box chemical experiment gas mask | |
CN212487859U (en) | Multifunctional mouse hypoxia experimental device | |
CN2623273Y (en) | Mouth-nose mask respirator | |
CN201798054U (en) | Novel respirator for preventing odour of putrefaction | |
CN205695855U (en) | Autopsy respirator special for legal medical experts | |
CN207575575U (en) | A kind of more filter box chemistry gas masks being conveniently replaceable | |
CN206866670U (en) | A kind of autopsy respirator special for legal medical experts | |
CN207285282U (en) | A kind of mask of adjustable upper respiratory tract flora and local immunity | |
CN108430590A (en) | Dehumidifier for dust mask | |
CN206403260U (en) | A kind of mouth mask of the flexible nose sealing strip of band | |
CN2734262Y (en) | Sealed type circulating aerating device | |
CN209594967U (en) | A kind of household deliverance apparatus emergency packet | |
CN217661163U (en) | Protective mask for fire emergency drilling |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |