CN211486284U

CN211486284U - Mask

Info

Publication number: CN211486284U
Application number: CN201921841829.9U
Authority: CN
Inventors: 刘迅; 夏志卿; 邓钢
Original assignee: Chengdu Shennongtang Industry Co ltd
Current assignee: Chengdu Shennongtang Industry Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-15
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a mask, including shell, inner shell, face guard and the filter unit of setting between shell and inner shell, the inside filter chamber that forms of filter unit all forms the inlet surface on shell and the inner shell, be provided with at least one clean air inlet on the face guard, outside air gets into and gets into after filter unit filters the filter chamber through the inlet surface of shell and inner shell and becomes clean air, clean air is through straining the chamber gas outlet, passes through the airtight intercommunication of inner shell and clean air inlet again, gets into in the face guard. The utility model discloses a structural design has increased intake area, has reduced the respiratory resistance of gauze mask, has reached and has worn for a long time the effect that can not be suffocated to improve protecting effect, can renew cartridge simultaneously, reduced use cost, and increased safeguard function.

Description

Mask

Technical Field

The utility model belongs to the technical field of respiratory protection and air purification, in particular to a labor protective mask, a daily protective mask, a medical protective mask, a gas mask and the like.

Background

At present, respiratory protection products such as labor protection masks, daily protection masks, medical protection masks, gas masks and the like have large inspiration resistance and expiration resistance, breath is suffocated, and the products can be taken off after being worn for a while, so that the overall protection effect is poor, and various diseases such as pneumoconiosis and the like are caused; moreover, most of the existing mask filtering materials are directly exposed outside, have weak functions of water resistance, fire resistance, scratch resistance and the like, and are not suitable for being used in severe environments. In addition, the filter element of the existing mask can not be replaced or is inconvenient to replace, and the use cost is high. These conditions require technological innovation to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an invention aim at, to the above-mentioned problem that exists, provide one kind and can reduce respiratory resistance, can wear half a day not oppressed, improve the protective effect, can change the filter core simultaneously, reduce use cost, increase safeguard function's novel gauze mask.

The technical scheme of the utility model is realized like this: a mask, characterized in that: including shell, inner shell, face guard and the filter unit of setting between shell and inner shell, the inside filter chamber that forms of filter unit all forms the inlet face on shell and the inner shell, be provided with at least one clean air inlet on the face guard, outside air gets into and gets into after filter unit filters filter chamber through the inlet face of shell and inner shell and becomes clean air, clean air gets into in the face guard through straining the chamber gas outlet, again through inner shell and the airtight intercommunication of clean air inlet, the entering face guard.

The utility model discloses a mask, its shell and inner shell adopt the mode of mutual straining to link together to press from both sides tight fixedly with the filter unit.

Gauze mask, its shell and inner shell open the gap that has the bending and be the downward sloping state, can breathe freely and can be waterproof, prevent the foreign matter that splashes, the anti-friction is hung, plays protection filtering material and pleasing to the eye effect.

Gauze mask, its clean air inlet department that sets up on the mask is provided with one-way inspiratory valve, the face guard can be comfortable with people's facial driving fit be equipped with one or more one-way expiratory valve on the face guard.

Gauze mask, its the filter unit comprises support frame and the filtering material of setting both sides inside and outside the support frame, the support frame constitutes relative confined filtration cavity rather than the filtering material of inside and outside both sides, shell and inner shell interconnect are with the fixed border portion that just seals filtering material of the filtering material of support frame and both sides.

Gauze mask, its the filter unit comprises support frame and the multi-disc filtering material that sets up each face in support frame periphery, the support frame constitutes relative confined filtration cavity rather than the multi-disc filtering material of outer peripheral face, multi-disc filtering material's border portion is compressed tightly sealedly by shell, support frame and inner shell are fixed.

Gauze mask, its the filter unit comprises support frame and filtering material, filtering material has open-ended bag package structure or a whole piece and wraps up the support frame in filtering material completely and form relative confined filtration cavity through folding the cover, filtering material's border portion is compressed tightly sealedly by shell, support frame and inner shell are fixed.

Gauze mask, its the slim network material that filter unit has the supporting role for inside fuses into an organic whole with its outer peripheral face cladding's filtering material and forms to have sealed cavity structure and removable independent filter element.

The utility model discloses a structural design has increased intake area, has reduced the respiratory resistance of gauze mask, has reached and has worn for a long time the effect that can not be suffocated to improve protecting effect, can renew cartridge simultaneously, reduced use cost, and increased safeguard function.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.

The labels in the figure are: 1 is an outer shell, 2 is an inner shell, 3 is a face mask, 4 is a clean air inlet, 5 is a one-way expiratory valve, 6 is a support frame, 7 is a filter material, and 8 is a filter chamber air outlet.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1: as shown in fig. 1, a mask comprises an outer shell 1, an inner shell 2, a face mask 3 and a filtering unit arranged between the outer shell 1 and the inner shell 2, wherein the filtering unit is composed of a support frame 6 and filtering materials 7 arranged at the inner side and the outer side of the support frame 6, the support frame is a breathable support structure, the shape of the support frame comprises a curved surface solid, a plane solid, a polyhedron or other irregular bodies, the support frame 6 and the filtering materials 7 at the inner side and the outer side of the support frame form a relatively closed filtering chamber, the outer shell 1 and the inner shell 2 are connected with each other, the support frame 6 and the filtering materials 7 at the two sides of the support frame are fixed and seal the edge part of the filtering materials 7, the filtering materials at the inner side and the outer side of the support frame can be replaced after being used for a period of time, air inlet surfaces, the clean air inlet 4 department that sets up on the face guard 3 is provided with one-way inspiratory valve, be provided with one or more one-way expiratory valve 5 on the face guard 3, clean air inlet 4 on the face guard 3 passes inner shell 2 and stretches into to the filter chamber of filter unit in, outside air gets into and gets into filter chamber after filter unit filters through the inlet surface of shell 1 and inner shell 2 and becomes clean air, clean air gets into in face guard 3 through clean air inlet 4 again, the face guard can be comfortable with people's facial driving fit.

In this embodiment, outer shell 1 and inner shell 2 adopt the mode of straining each other to link together to press from both sides tight fixedly with the filter unit, outer shell 1 and inner shell 2 open have the crooked gap that just is the downward sloping state, can breathe freely and can waterproof, the foreign matter of preventing splashing, prevent to rub and hang, and play protection filtering material and pleasing to the eye effect.

In this embodiment, the equal filtration of can admitting air of two filter materials of both sides around the support frame compares traditional gauze mask, and its filter area increases, and the resistance of breathing in reduces, and the comfort level increases. When the filter disc is replaced, the buckle for connecting the outer shell and the inner shell is pulled open, the old filter disc is taken down, the new filter disc is replaced, and then the buckle for connecting the outer shell and the inner shell is pressed and buckled.

Example 2: as shown in fig. 2, the filter unit is composed of a support frame 6 and a plurality of filter materials 7 arranged on each surface of the periphery of the support frame 6, the support frame 6 and the plurality of filter materials 7 on the periphery of the support frame form a relatively closed filter chamber, the edge parts of the plurality of filter materials 7 are fixedly pressed and sealed by the outer shell 1, the support frame 6 and the inner shell 2, and the filter materials can be replaced after being used for a period of time.

In this embodiment, three filter materials of support frame front and back and side all can admit air and filter, compare traditional gauze mask, its filter area increases more, and the resistance of breathing in is lower, and the comfort level increases. When the filter disc is replaced, the buckle for connecting the outer shell and the inner shell is pulled open, the old filter disc is taken down, the new filter disc is replaced, and then the buckle for connecting the outer shell and the inner shell is pressed and buckled.

The other structure is substantially the same as that of embodiment 1.

Example 3: as shown in fig. 3, the filter unit is composed of a support frame 6 and a filter material 7, the filter material 7 is a bag structure with an opening or a whole piece of filter material 7 completely wraps the support frame 6 in the filter material 7 by folding and covering, and forms a relatively closed filter chamber, the edge part of the filter material 7 is fixed and pressed and sealed by the outer shell 1, the support frame 6 and the inner shell 2, and the whole piece of filter material can be replaced after being used for a period of time.

In this embodiment, filtering material adopts one to pack or a whole piece covers the whole parcel of support frame in the inside through folding, forms a cavity, and the filtration of all can admitting air of all sides compares traditional gauze mask filter area increase a lot, and the resistance of breathing in is lower, and the comfort level increases. When the filter disc is replaced, the buckle for connecting the outer shell and the inner shell is pulled open, the old filter disc is taken down, the new filter disc is replaced, and then the buckle for connecting the outer shell and the inner shell is pressed and buckled.

The other structure is substantially the same as that of embodiment 1.

Example 4: the filtering unit is formed by fusing a thin net-shaped material with a supporting function inside and a filtering material 7 coated on the outer peripheral surface of the thin net-shaped material into a whole to form an independent replaceable filtering element with a sealed cavity structure, so that the sealing performance and the replacement convenience of the filtering unit are improved.

The other structure is substantially the same as that of embodiment 1.

The above description is only intended to illustrate four embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mask, characterized in that: including shell (1), inner shell (2), face guard (3) and the filter unit of setting between shell (1) and inner shell (2), the inside filter chamber that forms of filter unit all form the inlet surface on shell (1) and inner shell (2), be provided with at least one clean air inlet (4) on face guard (3), outside air gets into and gets into after the filter unit filters through the inlet surface of shell (1) and inner shell (2) and filters the chamber and become clean air, clean air gets into in face guard (3) through inner shell and clean air inlet (4) airtight intercommunication again through filter chamber gas outlet (8).

2. The mask of claim 1 wherein: the outer shell (1) and the inner shell (2) are connected together in a mutual fastening mode, and the filtering unit is clamped and fixed.

3. The mask of claim 1 wherein: the outer shell (1) and the inner shell (2) are provided with bent gaps which are in a downward inclined state.

4. The mask of claim 1 wherein: the mask is characterized in that a one-way inhalation valve is arranged at a clean air inlet (4) arranged on the mask (3), the mask (3) can be closely and comfortably attached to the face of a person, and one or more one-way exhalation valves (5) are arranged on the mask (3).

5. The mask according to any one of claims 1 to 4, wherein: the filter unit comprises support frame (6) and filter material (7) that set up in the inside and outside both sides of support frame (6), support frame (6) constitute relative confined filtration cavity rather than filter material (7) of inside and outside both sides, shell (1) and inner shell (2) interconnect and with the fixed border portion that just seals filter material (7) of support frame (6) and filter material (7) of both sides.

6. The mask according to any one of claims 1 to 4, wherein: the filter unit comprises a support frame (6) and a plurality of filter materials (7) arranged on each surface of the periphery of the support frame (6), the support frame (6) and the plurality of filter materials (7) on the periphery of the support frame form a relatively closed filter chamber, and the edge parts of the plurality of filter materials (7) are fixedly compressed and sealed by the outer shell (1), the support frame (6) and the inner shell (2).

7. The mask according to any one of claims 1 to 4, wherein: the filter unit comprises a support frame (6) and a filter material (7), wherein the filter material (7) is of an open bag structure or is completely wrapped in the filter material (7) through folding and covering in a whole piece, and forms a relatively closed filter chamber, and the edge part of the filter material (7) is fixedly compressed and sealed by the outer shell (1), the support frame (6) and the inner shell (2).

8. The mask according to any one of claims 1 to 4, wherein: the filtering unit is an independent replaceable filtering element with a sealed cavity structure formed by fusing a thin net-shaped material with a supporting function inside and a filtering material (7) coated on the outer peripheral surface of the thin net-shaped material.