CN212488615U - Breather valve port cover - Google Patents

Abstract

The utility model relates to a sanitary protective article, in particular to a breather valve mask, wherein a breather valve is arranged on a mask surface body through an installation hole; the breather valve is formed by combining a valve body, a valve plate and a valve cap; the valve body is provided with a first flange, the valve body is internally provided with a valve bottom, and the valve bottom is provided with a fixing hole; the valve plate is provided with a central hole; the rear end of the valve cap is provided with a second flange, the front end of the valve cap is provided with a cap top, the cap top is provided with a rear concave part to form a concave hole, and a spare valve plate is stored in the concave hole; a pressing table is arranged on the rear side of the rear concave part, and a fixing pin is arranged on the rear side of the pressing table; the valve cap is sleeved outside the valve body in a combined state, the fixing pin penetrates through the central hole and the fixing hole, the mask body is clamped tightly by the first flange and the second flange, the valve plate is pressed on the front side of the valve bottom by the pressing table, and the fixing pin and the fixing hole are locked through the locking piece. The breather valve port cover is ingenious and reasonable in structure, low in comprehensive use cost, capable of reducing resource waste, convenient to disassemble and assemble parts, good in protection effect and comfortable to wear, and the breather valve can be disinfected in a conventional mode.

Description

Breather valve port cover

Technical Field

The utility model relates to a personal protection articles for use especially relate to a protective facial mask with breather valve.

Background

The protective mask is a respiratory protection article aiming at preventing the spread of certain respiratory infectious microorganisms and protecting the health, and particularly plays an important role in preventing respiratory infectious diseases in circulation periods, and the respiratory valve protective mask is additionally provided with a respiratory valve on the basis of a common protective mask so as to be beneficial to quickly discharging exhaled damp and hot gas and improve the breathing smoothness. Generally speaking, the normal working life of the breather valve is far longer than that of a mask body, the cost proportion occupied by the breather valve in the whole mask is larger, but the breather valve in the previous breather valve masks is fixed on the mask body based on the modes of adhesion, heat seal, hot melt and the like, the breather valve cannot be disassembled and assembled, the whole mask needs to be discarded after the mask body reaches the service life, certain resource waste is obviously caused, and the use cost of the breather valve mask is also increased to a certain extent.

In recent years, some improved protective masks have appeared, some of the protective masks have a combined design with a breathing valve and a mask surface body, and one breathing valve is matched with a plurality of disposable mask surface bodies for use, so that the technical problems pointed out above can be solved to a certain extent, the technical progress is achieved, but more defects still exist in the actual use process, and the obtained comprehensive effect is not ideal, particularly:

for example, the breather valve is usually fixed on the mask surface body through a conventional buckle mechanism, the assembling and disassembling operation of the breather valve is troublesome, time and labor are wasted, the tightness of the matching of the breather valve and the mask surface body is usually difficult to ensure, and the protection effect of the protective mask is greatly reduced;

for example, the valve plate in the breather valve cannot be disassembled, assembled and replaced usually, on one hand, the valve plate belongs to a wearing part, and the service life of the valve plate is shorter than that of other parts in the breather valve, and the valve plate is an end plate which influences the overall service life of the breather valve; on the other hand, for avoiding the valve block to suffer destruction, can't utilize shortcuts such as washing, soaking, heating to disinfect the breather valve, the breather valve is relatively poor in the health of recycling in-process, and is contrary with the original purpose of wearing protective facial mask.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model provides a breather valve and breathing mask face body can be swift tear open group, and tightness is good between the subassembly piece, and the breather valve gauze mask that the valve block can swiftly tear open group and change in the breather valve.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a breather valve mask comprises a mask surface body, wherein the mask surface body is provided with a mounting hole, and a breather valve capable of being disassembled and assembled is arranged on the mounting hole; the method is characterized in that: the breather valve is formed by combining a valve body, a valve plate and a valve cap; the valve body is cylindrical and can tightly penetrate through the mounting hole, the rear end of the valve body is provided with a first flange which is used for abutting against the rear side of the mask body, a valve bottom is arranged in the valve body, the valve bottom is of a hollow structure, so that the front side and the rear side of the valve bottom are communicated, and the center of the valve bottom is provided with a fixing hole; the valve plate is in a wafer shape, is made of soft elastic materials, is provided with a central hole, and can be placed in the valve body and covers the front side of the valve bottom; the valve cap can be sleeved outside the valve body in a sealing manner from the front end of the valve body, the rear end of the valve cap is provided with a second flange which is used for abutting against the front side of the mask surface body, the front end of the valve cap is provided with a cap top, the side wall or the cap top of the valve cap is provided with a vent hole, and the cap top is provided with a rear concave part so that the center of the cap top forms a concave hole with only the front end opened; the front end opening of the concave hole is provided with a sealing cover which is combined with the concave hole in a sealing way, and a plurality of spare valve plates are stored in the concave hole; a truncated cone-shaped pressing table is arranged on the rear side of the rear concave part, a fixing pin which extends backwards and can penetrate through the central hole and the fixing hole is arranged on the rear side of the pressing table, and a locking part is arranged between the fixing pin and the fixing hole; the valve body, the valve plate and the valve bonnet are combined and arranged in the mounting hole, the valve body penetrates through the mounting hole, the valve bonnet is sleeved outside the valve body, the fixing pin penetrates through the central hole and the fixing hole in sequence, the mask body is clamped by the first flange and the second flange, the valve plate is tightly pressed by the pressing table and clings to the front side of the valve bottom, and the fixing pin and the fixing hole are locked by the locking piece to enable the breather valve to maintain the state; when exhaling, the valve plate is forced to move forward to make the valve in ventilation state, and when inhaling, the valve plate is tightly attached to the front side of the valve bottom to make the valve in cut-off state.

Further, the valve plate is made of silica gel.

Further, the second flange has the same outer diameter as the first flange.

Furthermore, the mask surface body is of a three-layer structure and sequentially comprises a non-woven fabric layer, a superfine polypropylene fiber melt-blown material layer and a sanitary gauze layer from front to back.

Furthermore, the valve body, the valve bottom and the first flange are integrally formed and made of plastic materials.

Furthermore, the valve cap, the cap top, the second flange and the fixing pin are integrally formed and made of plastic materials.

Furthermore, the sealing cover is connected with the concave hole in a threaded combination mode, and a sealing gasket is arranged between the sealing cover and the concave hole.

Furthermore, the sealing cover and the concave hole are in plug-in sealing combination, and an O-shaped sealing ring is arranged between the sealing cover and the concave hole.

Compared with the prior art, the utility model, have following technological effect:

in the breather valve mask, the breather valve and the mask surface body are based on a combined structural design, and one breather valve can be matched with a plurality of disposable mask surface bodies for use, so that the use cost of the breather valve mask is greatly reduced, and the resource waste is also reduced; based on the ingenious reasonable structural design that the breather valve adopted for the easier operation of group is torn open to the breather valve and the gauze mask face body, convenient and fast, and can improve the leakproofness of breather valve and gauze mask face body junction greatly, guarantee that this breather valve gauze mask's protecting effect can not reduce because of the installation of breather valve. Simultaneously, based on the integrated configuration of breather valve, the valve block can be torn open to organize and change, on the one hand, when the unable normal work of valve block, can convenient and fast change it to guarantee that other parts still can continue to use, on the other hand, dismantle the back with the valve block, usable easy to implement operation washes, soaks, heats etc. shortcut and carries out high-efficient disinfection processing to the breather valve, in order to guarantee the health nature of breather valve in the recycling process. In addition, in the breathing valve mask, the spare valve block is stored in the concave hole and can be carried by the breathing valve, so that the valve block can be replaced at any time and any place according to actual conditions, and the breathing valve mask is more flexible and convenient; because the front port of the concave hole is provided with the sealing cover, the standby valve block is positioned in a closed space and cannot be polluted by the outside, and particularly when the breather valve is disinfected, the brand new standby valve block can be prevented from being disinfected and keeps good performance. In summary, the breathing valve port cover is based on the ingenious and reasonable structural design, the face body of the breathing valve port cover can be replaced according to actual needs, the valve plate can also be replaced according to actual needs, the comprehensive use cost is greatly reduced, the resource waste is reduced, the assembling and disassembling operation of the combined parts is convenient and rapid, the breathing valve port cover is simple and easy to implement, the breathing valve port cover has a good protection effect, the wearing is comfortable, and the breathing valve can be disinfected in a conventional mode and has high sanitation.

Drawings

Fig. 1 is a schematic view showing a state in which a breather valve and a mask body are combined.

Fig. 2 is a second schematic view showing the combination state of the breather valve and the mask body.

Fig. 3 is an exploded view of the breather valve and mask body.

Fig. 4 is a second exploded view of the breather valve and the mask body.

Fig. 5 is a sectional view of the breather valve and mask body in a combined state.

Fig. 6 is a schematic view showing the operation state of the breather valve during expiration.

In the figure, 1, a mask body, 101, a sanitary gauze layer, 102, an ultrafine polypropylene fiber melt-blown material layer, 103, a non-woven fabric layer, 2, a second flange, 3, an anti-skid part, 4, a valve cap, 5, a sealing cover, 6, a cap top, 7, a vent hole, 8, a gripping part, 9, a valve body, 10, a fixing pin, 11, a locking nut, 12, a valve sheet, 13, a valve bottom, 14, a first flange, 15, a mounting hole, 16, a center hole, 17, a pressing platform, 18, a rear concave part, 19, a spare valve sheet, 20, a fixing hole, 21 and a concave hole.

Detailed Description

Referring to fig. 1-6, the breathing valve mask of the present invention comprises a mask body 1 for covering the face of a user, wherein the mask body 1 is provided with a mounting hole 15 in the shape of a circular hole for penetrating the front and rear of the mask body, and the mounting hole 15 is provided with a detachable breathing valve; the breather valve is formed by combining a valve body 9, a valve plate 12 and a valve cap 4, and can be disassembled and assembled according to actual needs; the valve body 9 is cylindrical and can tightly penetrate through the mounting hole 15 of the mask body 1 from back to front, the rear end of the valve body 9 is provided with a first flange 14 which extends outwards and is used for abutting against the rear side of the mask body 1, a valve bottom 13 is arranged inside the valve body 9, the valve bottom 13 is of a hollow structure, so that the front side and the rear side of the valve bottom 13 are communicated, and the center of the valve bottom 13 is additionally provided with a fixing hole 20 for penetrating the front hole and the rear hole; the valve body 9, the valve bottom 13 and the first flange 14 are integrally formed and made of plastic materials; the valve plate 12 is in a wafer shape, is made of soft elastic materials, preferably is made of silica gel, the valve plate 12 is provided with a central hole 16, and the valve plate 12 can be placed in the inner cavity of the valve body 9 and covers the front side of the valve bottom 13; the valve cap 4 can be sleeved outside the valve body 9 from the front end of the valve body 9 backwards step by step, the inner side wall of the valve cap 4 is in sealing fit with the outer side wall of the valve body 9, the rear end of the valve cap 4 is provided with a second flange 2 which extends outwards and is used for abutting against the front side of the mask surface body 1, the outer diameter of the second flange 2 is equal to that of the first flange 14, the front end of the valve cap 4 is provided with a cap top 6, the side wall of the valve cap 4 or the cap top 6 is provided with a vent hole 7, the cap top 6 is provided with a rear concave part 18 which is concave backwards, so that the center of the cap top 6 forms a concave hole 21, and only the front end of the concave hole 21 is open and is in a blind; a sealing cover 5 hermetically combined with the concave hole 21 is arranged at the front end port of the concave hole 21, and a plurality of spare valve plates 19 are stored in the concave hole 21; a truncated cone-shaped pressing platform 17 is arranged on the rear side of the rear concave part 18, a fixing pin 10 which extends backwards and can penetrate through the central hole 16 and the fixing hole 20 is arranged on the rear side of the pressing platform 17, and a locking piece for locking the relative positions of the fixing pin 10 and the fixing hole 20 is arranged between the fixing pin 10 and the fixing hole 20; the valve cap 4, the cap top 6, the second flange 2 and the fixing pin 10 are integrally formed and made of plastic materials; after the valve body 9, the valve plate 12 and the bonnet 4 are combined and arranged in the mounting hole 15, the valve body 9 passes through the mounting hole 15, the bonnet 4 is sleeved outside the valve body 9, the fixing pin 10 passes through the central hole 16 and the fixing hole 20 in sequence, the first flange 14 and the second flange 2 clamp the mask body 1 between the valve body and the bonnet, the valve plate 12 is pressed by the pressing table 17 and is tightly attached to the front side of the valve bottom 13, and the fixing pin 10 and the fixing hole 20 are locked by the locking piece to enable the breather valve to maintain the state, namely, all parts in the breather valve maintain the related state; when wearing gauze mask body 1 and exhaling, the atmospheric pressure of valve block 12 rear side is higher than front side atmospheric pressure, valve block 12 will be forced forward (lift) all around and make the breather valve be in the state of ventilating, the gas of exhalation will pass at the bottom of the valve 13 and arrange to the external world through gas vent 7, when breathing in, the atmospheric pressure of valve block 12 front side is higher than the atmospheric pressure of rear side, valve block 12 will with the bottom of the valve 13 front side further hug closely and make the breather valve keep the off-state, the unable breathing valve inlet cover body 1 rear side of external air promptly.

Referring to fig. 3, 4 and 5, in the breather valve mask, the breather valve and the mask surface body 1 are based on a combined structural design, and one breather valve can be matched with a plurality of disposable mask surface bodies 1 for use, so that the use cost of the breather valve mask is greatly reduced, and the resource waste is also reduced; when the breather valve is assembled on the mask body 1, the valve body 9 penetrates through the mounting hole 15 from back to front, the valve plate 12 is placed on the front side of the valve bottom 13 from the front end of the valve body 9, then the valve cap 4 is sleeved on the valve body 9 from front to back, the valve cap 4 is pushed to be close to the valve body 9, after the fixing pin 10 penetrates through the fixing hole 20, the fixing pin 10 and the fixing hole 20 are locked by using the locking piece, the assembly of the breather valve is completed, and then the breather valve mask can be worn in a traditional mode; the breather valve can be detached from the mask surface body 1 by reverse operation; the assembling and disassembling operation of the breather valve is convenient and rapid, time and labor are saved, and the breather valve and the mask surface body 1 are tightly matched after being combined, so that the breather valve mask can realize a better protection effect.

Referring to fig. 3, 4 and 5, when the valve sheet 12 in the breather valve cannot work normally, the valve cap 4 can be detached from the front end of the valve body 9, the damaged valve sheet 12 in the valve body 9 can be taken out, a brand new spare valve sheet 19 can be taken out from a concave hole 21 at the front end of the valve cap 4 and is arranged in the valve body 9, and finally the valve cap 4 and the valve body 9 are combined and connected, so that the valve sheet 12 can be replaced, the breather valve can be continuously and normally used, and the average use cost of the breather valve mask is further reduced.

Referring to fig. 3, 4 and 5, after the breather valve is recycled for many times, a large amount of harmful substances such as dust and dirt adhere to the breather valve, if the breather valve is to be used continuously, it is necessary to clean and disinfect the breather valve, at this time, the valve plate 12 can be taken out by referring to the way of replacing the valve plate 12, then, the valve plate 9, the bonnet 4 and other parts can be sterilized efficiently by the shortcuts of flushing, soaking, heating and the like which are easier to implement, and the valve plate 12 taken out before or a brand-new spare valve plate 19 can be used continuously according to the actual situation after disinfection is completed, so as to ensure the sanitation of the breather valve in the recycling process; because the front end opening of the concave hole 21 is provided with the sealing cover 5, the standby valve plate 19 is positioned in a closed space and cannot be polluted by the outside, and particularly when the breather valve is disinfected, the brand new standby valve plate 19 can be prevented from being disinfected and keeps good performance.

Referring to fig. 5, in the breathing valve mask, the standby valve plate 19 is stored in the concave hole 21 and can be carried by the breathing valve, so that the valve plate 12 can be replaced at any time and any place according to actual conditions, and the breathing valve mask is more flexible and convenient; meanwhile, the utility model discloses in, it is the rational utilization to the breather valve inner space to set up shrinkage pool 21 in order to be used for depositing reserve valve block 19 on valve cap 4 for the structure of this breather valve is small and exquisite compacter, avoids bringing the influence to wearing the travelling comfort of this breather valve gauze mask.

In summary, the breathing valve port cover is based on the ingenious and reasonable structural design, the face body 1 of the breathing valve port cover can be replaced according to actual needs, the valve block 12 can also be replaced according to actual needs, the comprehensive use cost is greatly reduced, the resource waste is reduced, the assembling and disassembling operation of the combined parts is convenient and rapid, the breathing valve port cover is simple and easy to implement, the breathing valve port cover has a good protection effect, the wearing is comfortable, and the breathing valve can be disinfected in a conventional mode and has high sanitation.

Referring to fig. 5, when implementing the present invention, the mask body 1 can adopt different layered structures according to different practical application scenes and protection levels, for example, the mask body 1 can adopt a three-layer structure, which is a nonwoven fabric layer 103, a superfine polypropylene fiber melt-blown material layer 102 and a sanitary gauze layer 101 from front to back in sequence.

Referring to fig. 4 and 5, in the respirator, the sealing cover 5 can be combined with the front end of the concave hole 21 in a sealing manner, so that the spare valve sheet 19 is in a closed space, and the matching manner of the two is various; for example, the sealing cover 5 and the concave hole 21 can be connected by adopting a threaded combination, a sealing gasket is arranged between the sealing cover 5 and the concave hole 21, and for example, the sealing cover 5 and the concave hole 21 can be combined by adopting an inserting and sealing manner, and an O-shaped sealing ring is arranged between the sealing cover 5 and the concave hole; in addition, in order to make the combination and separation of the sealing cover 5 and the concave hole 21 easier to operate, the front side of the sealing cover 5 is provided with a grip portion 8 which is convenient to hold, and the outer side wall of the valve cap 4 is provided with a non-slip portion 3.

The utility model discloses an among the breather valve gauze mask, the retaining member be used for locking fixed pin 10 and fixed orifices 20 to each part in the assurance breather valve can be stable maintain the composite state, the cooperation structure of retaining member, fixed pin 10 and fixed orifices 20 have multiple embodiment, preferably adopt following mode to implement:

referring to fig. 2, 3 and 5, the locking member is a locking nut 11, the rear end of the fixing pin 10 is provided with an external thread matched with the locking nut 11, and when the breather valve is combined and arranged in the mounting hole 15, the locking nut 11 is sleeved on the fixing pin 10 and abuts against the rear end of the valve bottom 13 to prevent the fixing pin 10 from moving forwards; meanwhile, the first flange 14 and the second flange 2 clamp the mask body 1, and the pressing table 17 and the valve bottom 13 press the valve sheet 12 tightly, so that the fixing pin 10 cannot move backwards, and the technical purpose of locking the fixing pin 10 and the fixing hole 20 is achieved; when all parts of the breather valve are disassembled, the locking nut 11 is manually screwed down from the rear end of the fixing pin 10, namely, the locking effect of the locking nut 11 on the fixing pin 10 and the fixing hole 20 is released, and then the corresponding disassembling operation can be carried out.

Claims (8)

1. A breather valve mask comprises a mask surface body, wherein the mask surface body is provided with a mounting hole, and a breather valve capable of being disassembled and assembled is arranged on the mounting hole; the method is characterized in that: the breather valve is formed by combining a valve body, a valve plate and a valve cap; the valve body is cylindrical and can tightly penetrate through the mounting hole, the rear end of the valve body is provided with a first flange which is used for abutting against the rear side of the mask body, a valve bottom is arranged in the valve body, the valve bottom is of a hollow structure, so that the front side and the rear side of the valve bottom are communicated, and the center of the valve bottom is provided with a fixing hole; the valve plate is in a wafer shape, is made of soft elastic materials, is provided with a central hole, and can be placed in the valve body and covers the front side of the valve bottom; the valve cap can be sleeved outside the valve body in a sealing manner from the front end of the valve body, the rear end of the valve cap is provided with a second flange which is used for abutting against the front side of the mask surface body, the front end of the valve cap is provided with a cap top, the side wall or the cap top of the valve cap is provided with a vent hole, and the cap top is provided with a rear concave part so that the center of the cap top forms a concave hole with only the front end opened; the front end opening of the concave hole is provided with a sealing cover which is combined with the concave hole in a sealing way, and a plurality of spare valve plates are stored in the concave hole; a truncated cone-shaped pressing table is arranged on the rear side of the rear concave part, a fixing pin which extends backwards and can penetrate through the central hole and the fixing hole is arranged on the rear side of the pressing table, and a locking part is arranged between the fixing pin and the fixing hole; the valve body, the valve plate and the valve bonnet are combined and arranged in the mounting hole, the valve body penetrates through the mounting hole, the valve bonnet is sleeved outside the valve body, the fixing pin penetrates through the central hole and the fixing hole in sequence, the mask body is clamped by the first flange and the second flange, the valve plate is tightly pressed by the pressing table and clings to the front side of the valve bottom, and the fixing pin and the fixing hole are locked by the locking piece to enable the breather valve to maintain the state; when exhaling, the valve plate is forced to move forward to make the valve in ventilation state, and when inhaling, the valve plate is tightly attached to the front side of the valve bottom to make the valve in cut-off state.

2. The breather valve mask of claim 1, wherein: the valve block is made of silica gel.

3. The breather valve mask of claim 1, wherein: the outer diameters of the second flange and the first flange are equal.

4. The breather valve mask of claim 1, wherein: the mask body is of a three-layer structure and sequentially comprises a non-woven fabric layer, a superfine polypropylene fiber melt-blown material layer and a sanitary gauze layer from front to back.

5. The breather valve mask of claim 1, wherein: the valve body, the valve bottom and the first flange are integrally formed and made of plastic materials.

6. The breather valve mask of claim 1, wherein: the valve cap, the cap top, the second flange and the fixing pin are integrally formed and made of plastic materials.

7. The breather valve mask of claim 1, wherein: the sealing cover is connected with the concave hole in a threaded combination mode, and a sealing gasket is arranged between the sealing cover and the concave hole.

8. The breather valve mask of claim 1, wherein: the seal cover and the concave hole are in plug-in sealing combination, and an O-shaped seal ring is arranged between the seal cover and the concave hole.

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