CN212280009U - Mask sheath - Google Patents

Abstract

The utility model discloses a mask sheath, which comprises a cover body, the medial surface of the cover body is provided with a face shape laminating part, the position of the cover body right ahead of the nostril is provided with a main breather valve, the main breather valve comprises a valve bracket, the cover body is provided with a breather hole at the position of the main breather valve, the breather hole is provided with a movable blade capable of sealing the breather hole, the valve bracket comprises an outer bracket and an inner bracket, the outer bracket and the inner bracket are both provided with air holes, the outer bracket and the inner bracket are respectively arranged at the outer side and the inner side of the cover body through positioning columns, and a space allowing the movable blade to swing and open the breather hole is formed between the outer bracket and the inner bracket; the left side and the right side of the mask body respectively extend outwards to form a supporting protection sheet, and a clamping groove capable of being sleeved with a mask hangers rope is formed in the supporting protection sheet. The design structure is simple, the production and the use are convenient, the mask can be effectively protected, the filtering and disinfecting effect is improved, and the service life of the mask is prolonged.

Description

Mask sheath

Technical Field

The utility model relates to a personal protective equipment field specifically is a gauze mask wears sheath of usefulness.

Background

With the development of urban construction, air pollution is more serious, wind sand, haze weather, serious air infectious diseases and the like occur occasionally, and dust, harmful substances, bacteria, viruses (such as avian influenza, atypical pneumonia, new crown virus and the like) and special working environments and the like in the air seriously affect the health of people and even possibly endanger life safety. The mask becomes a necessary product for public respiratory protection, the mask style on the market is common by using a disposable plane mask, but the disposable plane mask has a simple structure and uniform specification, and is easy to have the problems of poor facial attachment, large gap, easy looseness and the like for different users, so that the chances of toxic gas, dust particles, smog, spray, bacteria, viruses and the like entering the human body along with the breathing are large, the protection effect is reduced, and the use time is short; in addition, the disposable mask in normal use is timely taken down to contact other things, so that the outer fouling of the mask is easily caused, the mask becomes a scarce product in a severe epidemic period, the use comfort level and the service life of the mask are improved, and meanwhile, the problem that the environmental pollution caused by waste of the mask is urgently needed to be solved is solved for reducing the production pressure of the mask as much as possible.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art mentions above, the utility model provides a gauze mask jacket structure uses through the cooperation gauze mask, reaches the purpose that promotes gauze mask and dresses comfort level and increase gauze mask life.

The utility model provides a technical scheme that its technical problem adopted is: the mask protective sleeve comprises a cover body, wherein a face-shaped attaching part of a bionic human body is arranged on the inner side surface of the cover body, a main breather valve is arranged at the position of the cover body right ahead a nostril, air holes are formed in the position of the main breather valve of the cover body, movable blades capable of sealing the air holes are arranged at the air holes, the main breather valve comprises a valve support, the valve support consists of an outer support and an inner support, air holes are formed in the outer support and the inner support, the outer support and the inner support are respectively arranged on the outer side and the inner side of the cover body through a central inner buckle and a plurality of positioning columns, and a space allowing the movable blades to swing in the inner and outer directions to open the air holes is formed between the outer support and the inner support; the left and right sides of the cover body outwards extends respectively and is formed with the support bluff piece, be formed with the draw-in groove that can pass set gauze mask hangers rope on the support bluff piece, during the use hug closely the gauze mask in the medial surface of the cover body passes the draw-in groove that holds in the palm the bluff piece again with gauze mask hangers rope and can make up and wear, at the gauze mask sheath of this design of gauze mask outside suit, can hold between the fingers the position of gauze mask sheath when plucking the gauze mask midway, fills up the end with the gauze mask sheath when placing, reaches the purpose of avoiding polluting the gauze mask, can improve the barrier propterty and the life of gauze.

Furthermore, the positions of the cover body on the left side and the right side of the main breather valve are respectively provided with an auxiliary breather valve with the same/similar structure with the main breather valve, the auxiliary breather valve comprises an auxiliary valve support, the auxiliary valve support consists of an auxiliary outer support and an auxiliary inner support, the auxiliary outer support and the auxiliary inner support are also provided with air holes, and the position of the cover body on the auxiliary breather valve is also provided with the air holes and the movable blades; the auxiliary outer support protrudes towards the outer side of the cover body to form a space allowing the movable blade to swing only towards the outer side, and the auxiliary inner support is tightly attached to the inner side face of the cover body; the movable blade is blocked by the auxiliary inner support to close the air holes when breathing in, and the movable blade is opened outwards when breathing out, so that hot air flow generated when breathing out can be quickly discharged.

Further, the movable vane with the cover body adopts the environmental protection medical grade silica gel material to pass through hot pressing technology integrated into one piece, the movable vane passes through the cutting die and is in the main breather valve of the cover body and the secondary operation incision of supplementary breather valve position department take shape, the movable vane with remain connecting portion between the cover body, this kind of structure is closed completely when non-operating condition, and the leakproofness is good, is different from the soft breather blade dress on the market and does not laminate and the bad condition of leakproofness on the hard support of valve, and production and processing is convenient moreover, and the reliability is high.

Furthermore, an ultrathin filtering and disinfecting sheet can be further installed in the main breather valve, and a double-protection filtering effect can be achieved.

Furthermore, still include the elasticity bandeau, the one end of elasticity bandeau is equipped with the cooperation the buckling parts of draw-in groove, the other end of elasticity bandeau is equipped with the couple portion of cooperation gauze mask hangers rope. Wherein, the elasticity bandeau is the guipure form, can stretch automatically and shrink, current gauze mask mostly wears for the ear-hanging, it is painful to lead to the ear for a long time easily, the elasticity bandeau of this design can stretch automatically, matter is light ventilative, the gauze mask wears the cover back on the cover body, with gauze mask location and not roll-off behind the draw-in groove after the hangers rope cover goes into the draw-in groove, the headrest is walked around with the elasticity bandeau after gauze mask and sheath are together worn, the draw-in groove of support bluff piece is connected to elasticity bandeau one end, the other end hook portion of gauze mask hangers rope lock elasticity bandeau has been removed from ear pressure like this for whole wearing does not have too big heavy object to hinder the sense, the elasticity bandeau can be connected through buckling parts when not using can not lose easily.

The utility model has the advantages that: the mask sheath has simple structure and convenient production, operation and use; when the protective sleeve product is used, a layer of protective structure is added outside the mask, so that dust, spray and bacteria and viruses can be effectively prevented from being attached to the outer layer of the mask in the weather of wind, sand, rain, snow, fog and the like in the field, closed places with dense personnel, polluted environments, special labor places and the like; the flexible face-shaped joint part designed by the protective sleeve has good sealing performance, so that the mask is more tightly jointed with the face when being worn in a combined mode, the influence on vision caused by the fact that breathing hot gas generates fog when meeting glasses can be effectively prevented, meanwhile, the breathing air flow is not like other masks provided with breathing valves after being filtered by the protective layers of the masks, water drops are generated in the breathing valves to influence sanitation, and the filtering effect and the protecting effect of the masks are effectively improved; the mask sheath of the design can be matched with civil, industrial protection, medical and other (disposable) plane masks, has wide applicability, can be repeatedly sterilized, cleaned and recycled, is sanitary and odorless, can be folded and stored, and is convenient to carry.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a first perspective view of the cover structure of the present invention;

FIG. 3 is a schematic perspective view of the cover structure of the present invention;

fig. 4 is a schematic structural perspective view of the main/auxiliary breather valve of the present invention;

fig. 5 is a perspective view of the elastic headband structure of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The description of the orientation in this document takes fig. 1 as a reference standard.

As shown in fig. 1 to 4, the mask protective cover comprises a cover body 1 and an elastic headband 2, wherein the inner side surface of the cover body 1 is provided with a face-shaped attaching part 10 simulating a human body, a main breather valve 11 is arranged at a position right in front of a nostril of the cover body 1, and auxiliary breather valves 12 are respectively arranged at positions (at positions of cheeks) at the left side and the right side of the main breather valve 11; the mask body 1 is provided with a plurality of air holes at the positions of the main breather valve 11 and the auxiliary breather valve 12, each air hole is respectively provided with a movable blade capable of sealing the air hole, the main breather valve 11 and the auxiliary breather valve 12 have the same/similar structure, and both comprise a valve bracket, the valve support consists of an outer support 111 and an inner support 112 (the valve support of the auxiliary breather valve 12 consists of an auxiliary outer support and an auxiliary inner support), air holes are arranged on the outer support 111 and the inner support 112 (the auxiliary outer support and the auxiliary inner support), the outer support 111 and the inner support 112 are respectively installed on the outer side and the inner side of the cover 1 through a plurality of positioning posts 110, the middle parts of the outer support 111 and the inner support 112 are also provided with inner buckles which are matched with each other, and the positioning columns 110 are circumferentially and uniformly distributed on the outer support 111 and the inner support 112; a space for allowing the movable blade to swing in the inward and outward directions to open the ventilation hole is formed between the outer bracket 111 and the inner bracket 112; the left side and the right side of the cover body 1 respectively extend outwards to form supporting and protecting pieces 13, clamping grooves 131 capable of being sleeved with the hangers of the mask are formed in the supporting and protecting pieces 13, and guide grooves convenient for guiding the hangers are formed in front of the clamping grooves 131; as shown in fig. 5, the elastic head 2 is in a mesh belt shape, one end of the elastic head band 2 is provided with a buckling part 21 matching with the clamping groove, and the other end of the elastic head band 2 is provided with a hook part 22 matching with the mask hangers.

Preferably, the movable blade and the cover body 1 are integrally formed by adopting an environment-friendly medical-grade soft silica gel material through a hot pressing process, the movable blade is cut and formed on the cover body 1 through a cutting die, a connecting part is reserved between the movable blade and the cover body, the movable blade is completely closed in a non-breathing state, and the movable blade swings back and forth by air flow during breathing so as to open to form an air hole; the structure is completely closed in a non-working state, has good sealing performance, is different from the condition that the soft breathing blade arranged on the hard valve bracket on the market is not attached and has poor sealing performance, and is convenient to produce and process. When the auxiliary breather valve 12 is installed, the auxiliary outer support protrudes towards the outer side of the cover body 1 to form a space allowing the movable blade to swing towards the outer side, and the auxiliary inner support is tightly attached to the inner side surface of the cover body 1; when breathing in, the movable blade is blocked by the auxiliary inner support to close the air hole, and when breathing out, the movable blade is opened outwards to ensure that hot air flow generated when breathing out can be discharged quickly; an ultrathin filtering and disinfecting sheet can be installed in the main breather valve 11, and a double-protection filtering effect can be achieved.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made in the claims and the description of the new invention are also within the scope of the present invention.

Claims (6)

1. The mask protective sleeve comprises a cover body, wherein a face-shaped attaching part is arranged on the inner side surface of the cover body, and the mask protective sleeve is characterized in that a main breather valve is arranged at the position of the cover body right in front of the nostril, air holes are formed in the position of the main breather valve of the cover body, movable blades capable of sealing the air holes are arranged at the air holes, the main breather valve comprises a valve support, the valve support consists of an outer support and an inner support, air holes are formed in the outer support and the inner support, the outer support and the inner support are respectively arranged at the outer side and the inner side of the cover body through positioning columns, and a space allowing the movable blades to swing to open the air holes is formed between the outer support and the inner support; the left side and the right side of the mask body respectively extend outwards to form a supporting protection sheet, and a clamping groove capable of being sleeved with a mask hangers rope is formed in the supporting protection sheet.

2. The mask cover according to claim 1, wherein the mask body is further provided with auxiliary breathing valves at positions on left and right sides of the main breathing valve, the auxiliary breathing valves comprise auxiliary valve supports, each auxiliary valve support comprises an auxiliary outer support and an auxiliary inner support, and the mask body is provided with the air holes and the movable blades at the positions of the auxiliary breathing valves.

3. The mask protector according to claim 2, wherein the auxiliary outer support is formed with a space allowing the movable blade to swing outward by being protruded outward of the mask body, and the auxiliary inner support is closely attached to an inner surface of the mask body.

4. The mask protector according to claim 1, 2 or 3, wherein the movable blade and the mask body are integrally formed by a hot pressing process using silicone, the movable blade is cut and formed on the mask body by a cutting die, and a connecting portion is reserved between the movable blade and the mask body.

5. The mask cover according to claim 1, 2 or 3, further comprising an elastic headband, wherein one end of the elastic headband is provided with a buckling part matched with the clamping groove, and the other end of the elastic headband is provided with a hook part matched with the mask ear hanging rope.

6. The respirator shell of claim 5 wherein said elastic headband is in the form of a mesh.

Images