CN216725566U

CN216725566U - Filter element replaceable crystal mask

Info

Publication number: CN216725566U
Application number: CN202122380233.7U
Authority: CN
Inventors: 吴龙涛; 王亚飞; 陈凯; 彭程; 张转春; 刘小莲
Original assignee: Yimao Environmental Technology Co ltd
Current assignee: Yimao Environmental Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-06-14
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a filter element replaceable crystal mask, which comprises a mask main body, a ventilation port and filter assemblies, wherein the mask main body is hollow inside, the ventilation port is arranged in the middle of the back side of the mask main body, and the filter assemblies are respectively arranged at the left end and the right end of the mask main body; the filter assembly with the gauze mask main part intercommunication, and include with filter cartridge, the lid that the gauze mask main part connects soon are located filter cap on the filter cartridge and hold in filter element in the filter cartridge, filter cap with the connection can be dismantled to the filter cartridge, the filter core is range upon range of column structure setting, very big reduction respiratory resistance when reinforcing filter effect. By the mode, the filter assembly is screwed with the mask main body, the filter element can be replaced, the use cost is reduced, the screwing mode is adopted, the replacement speed is high, and the overall appearance of the mask is attractive.

Description

Filter element replaceable crystal mask

Technical Field

The utility model relates to the technical field of medical protection, in particular to a filter element replaceable crystal mask.

Background

The mask is used as a protective article and can prevent harmful gas, spray, bacteria or viruses from entering the oral cavity of a human body. Under the current special environment, the mask becomes an indispensable daily necessity when people go out. At present, most of masks adopt fabrics as base materials, and the thickness of the mask is increased to improve the antiviral ability of the mask, so that a user feels certain breathing discomfort when wearing the mask, and the mask is not suitable for being worn for a long time. In addition, most of the existing masks are disposable masks, tens of millions of masks are discarded in each city every day, and the masks are very complicated to recycle, so that great burden is brought to city managers.

The prior art provides an epidemic prevention gauze mask that makes things convenient for filter core to change, and epidemic prevention gauze mask includes the gauze mask face guard, sets up in the wainscot rubber pad of the edge of gauze mask face guard, sets up in the ear area couple of the surface of gauze mask face guard. The front surface of the mask face guard is provided with a mask filter element cover in threaded connection, the front surface of the mask filter element cover is provided with air suction holes, and the inner surface of each air suction hole is connected with a filter element mesh in a nested manner. Although the mask filter element cover can be detached and replaced in a rotating mode, the mask filter element cover is heavy in shape and not attractive enough, the mask filter element cover is arranged in the middle of the front surface of the mask, the weight of the middle of the mask can be increased, a user feels not comfortable enough when wearing the mask, the downward sight of the wearer is blocked, and inconvenience is brought to the user.

Therefore, it is necessary to design a crystal mask with a replaceable filter element, which has a simple structure, an attractive appearance, no obstruction to the vision of the wearer, comfortable wearing and quick replacement of the filter element.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems, the utility model provides a crystal mask with a replaceable filter element. In addition, the both ends of gauze mask main part are located to the filter component branch, can not obstruct user's sight to locate human facial both sides with the bearing part, travelling comfort and holistic aesthetic property when can guaranteeing that the user wears.

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

a filter element replaceable crystal mask comprises a mask body, a ventilation opening and filter assemblies, wherein the mask body is arranged in a hollow mode, the ventilation opening is arranged in the middle of the back side of the mask body, and the filter assemblies are respectively arranged at the left end and the right end of the mask body;

the filter assembly is communicated with the mask main body and comprises a filter box and a cover, wherein the filter box and the cover are connected with the mask main body in a screwing mode, the filter cover on the filter box and a filter element in the filter box are accommodated, the filter cover is detachably connected with the filter box, and the filter element is arranged in a laminated structure.

Further, the front sides at both ends of the mask main body are provided with rotary protrusions, and the rotary protrusions are provided with first air vents so as to be communicated with the inside of the mask main body.

Furthermore, a screwing piece is arranged in the filter box and comprises a groove structure arranged on the outer end face of the filter box and a protrusion structure arranged on the inner end face of the filter box; the groove structure is connected with the rotary protrusion in a screwing mode.

Furthermore, a plurality of second vent holes are formed in the inner peripheral wall of the groove structure and communicated with the inside of the filter box.

Furthermore, be provided with in the filter cartridge and be used for holding the chamber that holds of filter core, the bottom that holds the chamber is provided with a plurality of baffles, adjacent two form the air flue that supplies the gas circulation between the baffle.

Furthermore, a plurality of filtering holes are formed in the front end face of the filtering cover.

Furthermore, the plurality of filtering holes are arranged in a circular hole-shaped structure.

Furthermore, the shape of the filter box is matched with the shapes of the two ends of the mask main body, and fixing buckles for connecting the binding bands are arranged on the side walls of the two ends of the mask main body.

Further, the mask main body is made of flexible silica gel or TPU.

Furthermore, the border department of scavenge port is provided with the silica gel pad along circumference.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the filter element replaceable crystal mask, the filter element can be replaced by screwing the filter assembly with the mask body, so that the use cost is reduced, and the replacement speed is high by adopting a screwing mode. In addition, the both ends of gauze mask main part are located to the filter component branch, can not obstruct user's sight to locate human facial both sides with the bearing part, travelling comfort and holistic aesthetic property when can guaranteeing that the user wears.

2. According to the filter element replaceable crystal mask, the filter element is arranged into a laminated structure, so that the filtering area of the filter element can be increased, the filtering efficiency of the filter element is ensured, and the resistance of a user in breathing is greatly reduced.

3. According to the filter element replaceable crystal mask, the flexible silica gel or TPU is selected as the material of the mask main body, the mask has good plasticity, and can be suitable for people with different face shapes, so that when a user wears the mask, the mask main body is completely attached to the face, and the comfortableness of the user can be enhanced while the protection performance is ensured.

4. According to the filter element replaceable crystal mask, the filtering holes are arranged to be round hole-shaped structures with small diameters, so that the mask is attractive in appearance, the contact between a human body and the filter elements can be avoided, and secondary infection caused by bacteria and viruses can be prevented.

Drawings

FIG. 1 is a schematic view of a replaceable filter element crystal mask according to the present invention;

FIG. 2 is a rear view of a removable filter element type crystal mask of the present invention;

FIG. 3 is an exploded view of the replaceable filter element crystal mask of the present invention;

FIG. 4 is a schematic view of the filter assembly of the interchangeable core crystal mask of the present invention;

the parts in the drawings are numbered as follows: 110. a mask body; 111. rotating the boss; 1110. a first vent hole; 112. a fixing buckle; 120. a ventilation port; 121. a silica gel pad; 130. a filter assembly; 131. a filter cartridge; 1311. a baffle plate; 1312. a raised structure; 1313. a groove structure; 1314. a second vent hole; 132. a filter element; 133. a filter cover; 1330. and (4) filtering holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

As shown in fig. 1 to 2, a lens mask 100 with a replaceable filter element includes a mask body 110 having a hollow interior, a ventilation opening 120 disposed at a middle position of a back side of the mask body 110, and filter elements 130 respectively disposed at left and right ends of the mask body 110. The filter assembly 130 communicates with the mask body 110 so that ventilation can be performed between the filter assembly 130 and the mask body 110. When a user wears the mask, air can only enter the cavity inside the mask main body 110 after being filtered by the filter assembly 130, and then enters the human body from the ventilation opening 120, so that the protection performance of the mask is guaranteed.

Specifically, mask main part 110 adopts materials such as flexible silica gel or TPU for mask main part 110 possesses fine plasticity, can be applicable to the crowd of different types of face, and when making the user wear the mask, mask main part 110 laminates with facial completely, when guaranteeing the protectiveness, can also strengthen user's travelling comfort. In particular, the mask body 110 is hollow to form a cavity for air to flow through.

The ventilation port 120 is facing the user's mouth to allow the user to exchange air with the mask. In addition, be provided with silica gel pad 121 along circumference in scavenge port 120 border department to when the user wears, the mouth can laminate completely with the silica gel pad 121 of scavenge port 120 department, guarantees the leakproofness of gauze mask and user's department of taking a breath, prevents that the air from directly getting into the human body. And, adopt silica gel as the material of silica gel pad 121, travelling comfort when can improve the user and wear, be convenient for wear for a long time.

As shown in fig. 2 to 4, in some embodiments, the filter assembly 130 includes a filter box 131 screwed to the mask body 110, a filter cover 133 covering the filter box 131, and a filter element 132 accommodated in the filter box 131. Filter assembly 130 connects with filter cartridge 131 soon, can change filter cartridge 131, reduces use cost to compare in the mode of grafting or joint, adopt the mode of connecing soon, change speed is faster, and it is more convenient to operate. The filter assembly 130 is disposed on the front end surfaces of the two ends of the mask body 110, and is adapted to the shapes of the two ends of the mask body 110, thereby ensuring the overall beauty of the mask. In addition, the filter assembly 130 is disposed at both ends of the mask body 110, so that the sight of the user is not obstructed, and the bearing part is disposed at both sides of the face of the human body, thereby ensuring the comfort of the user when wearing the mask.

Specifically, the mask body 110 is provided with rotation protrusions 111 on both front sides thereof. An external thread is provided on the outer peripheral wall of the rotary boss 111. The rotary boss 111 is provided with a first vent 1110 to communicate with the inside of the mask body 110.

Be provided with in the filter cartridge 131 and hold the chamber, hold the intracavity and be provided with the union piece soon. The screw is used to screw with the rotary protrusion 111 and form an air path between the filter assembly 130 and the mask body 110. The screw-on member comprises a groove structure 1313 arranged on the outer end surface of the filter box 131, and a protrusion structure 1312 arranged on the inner end surface of the filter box 131. In particular, the inner circumferential wall of the groove structure 1313 is provided with female threads, which are engaged with the male threads to screw the groove structure 1313 with the rotary protrusion 111. The inner peripheral wall of the groove structure 1313 is provided with a plurality of second venting holes 1314, and the plurality of second venting holes 1314 pass through the protrusion structure 1312 and then communicate with the interior of the filter cartridge 131, so that the filter assembly 130 communicates with the outside through the second venting holes 1314. When the rotary protrusion 111 is coupled with the groove structure 1313, the first ventilation hole 1110 and the second ventilation hole 1314 form a gas exchange channel between the filter assembly 130 and the mask body 110.

It is noted that the joint of the rotary protrusion 111 and the groove structure 1313 is provided with a sealing structure to ensure the sealing property of the joint.

In some embodiments, as shown in particular in fig. 3, the bottom end of the containment chamber is provided with several baffles 1311. The baffle 1311 is an elongated structure disposed perpendicular to the bottom end of the receiving chamber. Specifically, the baffle 1311 is disposed along the horizontal direction, or the baffle 1311 is disposed obliquely to the horizontal direction, and the included angle is an acute angle. An air passage for air circulation is formed between two adjacent baffles 1311, so that air entering the filter assembly 130 can be guided by the baffles 1311 and then rapidly enters the mask body 110 from the second ventilation hole 1314.

In some embodiments, as shown in fig. 3 in particular, the filter cover 133 is detachably connected to the filter box 131, and the filter element 132 is fixed in the accommodating cavity, so that the filter element 132 can be replaced, thereby reducing the cost of the mask. Particularly, the filter element 132 is arranged in a stacked structure, which can increase the filtering area of the filter element 132, thereby ensuring the filtering efficiency of the filter element 132 and greatly reducing the resistance of the user during breathing. In addition, the KN95 respirator without an expiratory valve refers to the national standard GB 2626-self-priming filter type particulate-preventing respirator 2019. Wherein, the requirements of the exhalation resistance and the inhalation resistance of the mask are less than or equal to 210Pa, and the filtering efficiency is more than or equal to 95 percent. This application sets the filter core 132 of crystal mask to foldable structure, has increased the area of contact of air with filter core 132, very big reduction respiratory resistance when guaranteeing filtration efficiency, can reach and be less than or equal to 30Pa, and is more comfortable when the user wears, not oppressive. After tests, the resistance of the filter element 132 adopting the structure is less than or equal to 10Pa when a user breathes under the condition that the air flow is 85L/min.

In some embodiments, as shown in fig. 1 and 3, the filter cover 133 has a plurality of filter holes 1330 formed on a front surface thereof. Preferably, a plurality of filtration holes 1330 are the round hole column structure setting of small bore to be array arrangement, not only aesthetic in appearance, can also avoid human and filter core 132 contact, prevent the secondary infection that bacterial virus brought.

In some embodiments, as shown in fig. 1 to 3, the mask body 110 has fixing buckles 112 on the sidewalls of the two ends thereof for connecting a structure for fixing the mask to the head of a person, such as a strap or a rubber band.

The following describes a specific operation of the present invention:

in use, the filter assembly 130 is screwed onto the mask body 110 and the ventilation opening 120 is aligned with the mouth of the user. When the user exhales, air enters the filter cartridge 131 through the filter holes 1330 and is filtered by the filter element 132. Subsequently, the filtered air enters the mask body 110 through the second vent hole 1314 and the first vent hole 1110, and enters the human body through the ventilation ports 120. When the filter cartridge 132 has reached a maximum service life, the filter plate is disassembled and the filter cartridge 132 is removed and a new filter cartridge 132 is placed.

The above description is only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; all the equivalent structures or equivalent processes performed by using the contents of the specification and the drawings of the utility model, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The crystal mask with the replaceable filter element is characterized by comprising a mask main body (110) with a hollow interior, a ventilation port (120) arranged at the middle position of the back side of the mask main body (110), and filter assemblies (130) respectively arranged at the left end and the right end of the mask main body (110);

the filter assembly (130) is communicated with the mask main body (110), and comprises a filter box (131) screwed with the mask main body (110), a filter cover (133) covered on the filter box (131) and a filter element (132) accommodated in the filter box (131), wherein the filter cover (133) is detachably connected with the filter box (131), and the filter element (132) is arranged in a stacked structure.

2. The lens mask with replaceable filter according to claim 1, wherein the mask body (110) is provided with a rotary protrusion (111) at the front side of both ends thereof, and the rotary protrusion (111) is provided with a first vent hole (1110) to communicate with the inside of the mask body (110).

3. The interchangeable core crystal mask according to claim 2, wherein a screw connection is provided in the filter box (131), the screw connection comprising a groove structure (1313) provided on an outer end surface of the filter box (131) and a protrusion structure (1312) provided on an inner end surface of the filter box (131); the groove structure (1313) is screwed with the rotary protrusion (111).

4. The removable filter lens mouthpiece of claim 3, wherein the inner peripheral wall of the recessed groove structure (1313) is provided with a plurality of second venting holes (1314), and the plurality of second venting holes (1314) communicate with the inside of the filter cartridge (131).

5. The crystal mask with the replaceable filter element according to claim 4, wherein a containing cavity for containing the filter element (132) is arranged in the filter box (131), a plurality of baffles (1311) are arranged at the bottom end of the containing cavity, and an air passage for gas circulation is formed between every two adjacent baffles (1311).

6. The interchangeable core crystal mask according to claim 1, wherein the filter cover (133) has a plurality of filter holes (1330) formed in a front surface thereof.

7. The lens mask with replaceable filter element according to claim 6, wherein the plurality of filtering holes (1330) are configured in a circular hole shape.

8. The lens mask with replaceable filter element according to claim 1, wherein the shape of the filter cartridge (131) is adapted to the shape of the two ends of the mask body (110), and the side walls of the two ends of the mask body (110) are provided with fixing buckles (112) for connecting binding bands.

9. The removable filter lens mask of claim 1 wherein the mask body (110) is made of flexible silicone or TPU.

10. The removable filter lens mouthpiece of claim 1, wherein a silicone pad (121) is disposed circumferentially at the edge of the ventilation port (120).