CN212650436U - Mask convenient for checking wearing tightness - Google Patents

Abstract

The utility model relates to a mask convenient for checking wearing tightness, which comprises a mask body frame capable of covering the periphery of the mouth and nose and a ventilation area arranged on the mask body frame, wherein the ventilation area of the mask body frame is hermetically connected with a gas filter element; the mask body frame is made of non-breathable materials, and a face contact sealing body for face contact is arranged on the mask body frame; the device also comprises a tightness checking mechanism; after the mask body frame is worn on the face, the tightness inspection mechanism can seal the gas filter element so as to detect the tightness of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer; after the tightness of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer is detected, the sealing state of the tightness detection mechanism on the gas filter element is released, so that the gas filter element can be used for filtering the respiratory gas. The utility model discloses compact structure can conveniently inspect the seal after wearing, convenient to use, safe and reliable.

Description

Mask convenient for checking wearing tightness

Technical Field

The utility model relates to a gauze mask, especially a convenient inspection wears gauze mask of seal belongs to the technical field of gauze mask.

Background

Masks, which can be roughly classified into air filtration type masks and air supply type masks, are designed for the health of people, and are used for preventing visible or invisible substances harmful to human bodies from being filtered, and avoiding the influence of harmful substances on the human bodies. At present, the filter core and the gauze mask of air filtration formula gauze mask adopt integral type structure, when the gauze mask goes wrong or the filter core is dirty, need drop whole gauze mask, extravagant serious.

In addition, although the existing mask is gradually upgraded, the mask still has serious defects: the gap between the edge of the mask and the skin of the face is difficult to achieve better sealing. When a user inhales gas, the dirty gas outside enters the mask through the mask to be filtered and cleaned; but partial outside dirty gas enters the mask through the gap between the mask and the skin, so that the cleanliness of the gas inside the mask is reduced, and the using effect of the mask is reduced. The existing mask cannot effectively realize the tightness check after wearing the mask.

Disclosure of Invention

The utility model aims at overcoming the not enough of existence among the prior art, providing a convenient inspection and wear leakproofness's gauze mask, its compact structure can conveniently inspect the leakproofness after wearing, convenient to use, safe and reliable.

According to the technical scheme provided by the utility model, the mask convenient for checking the wearing tightness comprises a mask body frame covering the periphery of the mouth and nose and a ventilation area arranged on the mask body frame, wherein the ventilation area of the mask body frame is provided with a gas filter element in a sealing connection way;

the mask body frame is made of non-breathable materials, and a face contact sealing body capable of contacting with the face is arranged on the mask body frame;

the gas filter also comprises a tightness checking mechanism which can be matched with the gas filter element; after the mask body frame is worn on the face, the tightness inspection mechanism can seal the gas filter element so as to detect the tightness of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer;

after the tightness inspection of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer is finished, the sealing state of the gas filter element by the tightness inspection mechanism can be released.

The tightness checking mechanism comprises a filter element sticking film which can be stuck on the gas filter element or a checking cover plate which can be pressed on the gas filter element;

when the tightness inspection mechanism adopts the filter element sticking film, the filter element sticking film can be stuck on the outer surface of the gas filter element, and the gas filter element can be sealed by utilizing the filter element sticking film; when the tightness detection of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer is finished, the filter element sticking film can be removed from the gas filter element;

when the tightness checking mechanism is a checking cover plate, the checking cover plate can be pressed on the gas filter element, and the gas filter element can be sealed by the checking cover plate; when the tightness of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer is detected, the inspection cover plate can be directly separated from the gas filter element, or a cover plate filter element gap meeting the breathing requirement can be formed between the inspection cover plate and the gas filter element.

When the mask body frame is covered on the periphery of the mouth and the nose in a buckled mode, the chin of a wearer can be surrounded through the mask body frame and the face contact sealing body, and a joint part of the chin of the wearer can be sealed through the face contact sealing body;

the cover body frame is provided with a cover body frame belt, and the cover body frame belt comprises a suspension loop type belt body or a head-mounted belt body;

the gas filter element is detachably connected with the cover body frame.

Still include the timing alarm, the timing alarm can set up on cover body frame, gas filter core or leakproofness inspection mechanism, can carry out required timing and warning through the timing alarm.

The gas filter element comprises a gas filtering part positioned at the center and a filter element cover body frame connecting ring positioned at the outer ring of the gas filtering part, the filter element cover body frame connecting ring can be connected to the cover body frame in a clamping manner, and the filter element cover body frame connecting ring is connected with the cover body frame in a sealing manner.

The face contact sealing body of the cover body frame comprises an air bag sealing ring or a turnover sealing film.

A cover body frame filter element connecting ring is arranged on the cover body frame, a filter element cover body sleeve capable of being sleeved on the cover body frame filter element connecting ring is arranged on the filter element cover body frame connecting ring, a filter element cover body connecting inner ring is arranged in the filter element cover body sleeve, and an inner ring positioning convex ring body is convexly arranged on one side of the filter element cover body connecting inner ring;

when the filter element cover body frame connecting ring is sleeved on the cover body frame filter element connecting ring through the filter element cover body, the inner ring positioning convex ring body can be embedded in the connecting ring groove of the cover body frame filter element connecting ring and is positioned below the notch convex ring on the cover body frame filter element connecting ring.

The inspection cover plate comprises a cover plate body and a cover plate positioning connecting ring positioned at the inner ring of the cover plate body;

the gas filter element is internally provided with a filter element cover plate groove allowing the cover plate positioning connecting ring to be embedded, and the cover plate body can be pressed on the gas filter element after the cover plate positioning connecting ring is embedded in the filter element cover plate groove.

A cover plate filter element head connector and/or a cover plate filter element tail connector are/is arranged on the cover plate positioning connecting ring;

the gas filter element is provided with a filter element cover plate head positioning hole allowing the cover plate filter element head connecting body to be embedded and a filter element cover plate tail positioning hole allowing the cover plate filter element tail connecting body to be embedded;

the cover plate body can be pressed on the gas filter element and realize the sealing of the gas filter element through the matching of the cover plate filter element head connector and the filter element cover plate head positioning hole and the matching of the cover plate filter element tail connector and the filter element cover plate tail positioning hole; after the tightness of the mask body frame is checked, a gap of the cover plate filter element meeting the breathing requirement is formed between the cover plate body and the gas filter element.

The utility model has the advantages that: the mask body frame can realize the face sealing contact of a wearer by using the face contact sealing body, and the gas filter core can be sealed by the tightness checking mechanism so as to detect the tightness of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer; the tightness of the contact part of the face contact sealing body of the mask body frame and the face skin of the wearer is detected, the sealing state of the tightness detection mechanism on the gas filter element can be released, and the gas in breath can be filtered by the gas filter element; the tightness checking mechanism can adopt the matching of a filter element sticking film or a checking cover plate and a gas filter element, can conveniently check the tightness after being worn, and is convenient to use, safe and reliable.

Drawings

Fig. 1 is a schematic view of the present invention utilizing the cooperation of the inspection cover plate and the cover frame.

Fig. 2 is a schematic view of the gas filter element of the present invention completely separated from the tightness inspection mechanism.

Fig. 3 is a schematic diagram of the cover body frame filter element support plate and the cover body frame of the present invention.

Fig. 4 is a schematic view of the gas filter element of the present invention.

Fig. 5 is a perspective view of the utility model of the cover plate filter element gap which can meet the breathing requirement and is formed between the inspection cover plate and the gas filter element.

Fig. 6 is another schematic view of the cover frame and the gas filter element of the present invention.

Fig. 7 is a schematic view of the cover frame of the present invention.

Fig. 8 is a perspective view of an embodiment of the inspection cover of the present invention.

Fig. 9 is a cross-sectional view of the gas filter element in cooperation with the inspection cover plate and the cover frame of the present invention.

Fig. 10 is a cross-sectional view of the inspection cover plate of the present invention in cooperation with the gas filter element.

Fig. 11 is a sectional view of the inspection cover in fig. 7.

Fig. 12 is a cross-sectional view of the gas filter element and the cover frame of the present invention.

Fig. 13 is a cross-sectional view of the cover frame of the present invention.

Description of reference numerals: 1-cover body frame, 2-inspection cover plate, 3-cover body frame band, 4-gas filtering part, 5-filter element cover body frame connecting ring, 6-cover body frame filter element supporting plate, 7-cover body frame filter element plate hole, 8-filter element cover plate tail positioning hole, 9-cover body frame reinforcing rib, 10-cover body frame cavity and 11-cover plate body, 12-cover plate positioning connecting ring, 13-cover plate filter element head connecting body, 14-cover plate filter element tail connecting body, 15-filter element cover plate head positioning hole, 16-cover body frame filter element connecting ring, 17-gas filter element, 18-filter element cover body frame sleeve, 19-filter element cover body frame connecting inner ring, 20-inner ring positioning convex ring body, 21-notch convex ring, 22-connecting ring groove and 23-diversion groove.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

In order to conveniently check the tightness after wearing, the utility model comprises a cover body frame 1 which can cover the periphery of the mouth and the nose and a ventilation area arranged on the cover body frame 1, wherein the ventilation area of the cover body frame 1 is hermetically connected with a gas filter element 17;

the mask body frame 1 is made of a non-breathable material, and a face contact sealing body capable of contacting with a face is arranged on the mask body frame 1;

the gas filter also comprises a tightness checking mechanism which can be matched with the gas filter core 17; after the mask body frame 1 is worn on the face, the tightness inspection mechanism can seal the gas filter element 17 so as to detect the tightness of the contact part of the face contact sealing body of the mask body frame 1 and the face skin of the wearer;

after the sealing of the contact portion of the mask body frame 1 with the skin of the wearer's face is detected, the sealing state of the gas filter 17 by the sealing inspection means is released, so that the breathing gas can be filtered by the gas filter 17.

Specifically, the cover frame 1 and the gas filter element 17 are made of materials meeting the required standards, and the gas filter element 17 may adopt an existing common gas filtering form, which is well known to those skilled in the art and will not be described herein again. The cover body frame 1 adopts the ventilative material of non-to make, if can adopt medical plastics etc, when cover body frame 1 adopts the ventilative material to make and cover body frame 1 wears in facial time, cover body frame 1 can not be ventilative, and gas only can satisfy the gaseous business turn over in breathing through gas filtration core 17 and ventilation zone, and then just can adopt leakproofness inspection mechanism and gas filtration core 17 cooperation, realizes detecting the leakproofness of the facial contact seal body of cover body frame 1 and the facial skin contact position of the person of wearing.

When the mask body frame 1 is covered on the periphery of the mouth and the nose, the mask body frame 1 can contact with the face of a wearer by using the face contact sealing body, and the reliability of the matching seal of the mask body frame 1 is improved by using the face contact sealing body. In the embodiment of the utility model, cover body frame 1's facial contact sealing body includes the gasbag sealing washer or turns over a seal membrane. When facial contact seal body adopted the gasbag sealing washer, set up the inflation and deflation port that can fill the gassing on the gasbag sealing washer, it is right that inflation and deflation port and gasbag sealing washer cooperate the realization the process that the gasbag sealing washer inflated and deflated is unanimous with the process that current gasbag inflated and deflated, specifically is this technical field personnel familiar, and it is no longer repeated here. When the face sealing contact body adopts the turnover sealing film, the turnover sealing film can adopt a flexible film, and the turnover sealing film capable of being turned over is utilized to realize the face combination part of the sealing cover body frame 1 and a wearer. Of course, the face contact sealing body may also adopt other implementation forms, and the specific implementation form may be selected as needed as long as the face contact sealing body can seal the mask body frame 1 with the face of the wearer, which is not described herein again.

In order to improve the convenience of use, the gas filter element 17 and the cover body frame 1 are detachably connected, so that different gas filter elements 17 can be replaced conveniently. During the specific implementation, gas filter element 17 can also be fixed as an organic whole with cover body frame 1, and the specific cooperation form of gas filter element 17 and cover body frame 1 can be selected as required. No matter what kind of cooperation form is adopted with cover body frame 1 to gas filter 17, need guarantee the leakproofness of gas filter 17 and cover body frame 1 joint portion to can not influence the gas filtration that the gauze mask wore the in-process, also can not influence the cooperation that utilizes leakproofness inspection mechanism and gas filter 17, realize detecting the leakproofness of the facial contact seal body of cover body frame 1 and the facial skin contact site of the person of wearing.

The cover body frame 1 can adopt the form commonly used now, utilizes cover body frame 1 can paste and cover at the face of wearer, realizes the cover to wearer's oral area and nasal part, and at the respiratory in-process, utilizes gas filter 17 to realize gas filtration, and cover body frame 1 is worn on face to and utilize gas filter 17 to carry out gas filtration's specific process and all be unanimous with current mutually, specifically be this technical field personnel known, and it is no longer repeated here.

After cover body frame 1 wears, generally can exist and face laminating relatively poor, lead to cover body frame 1's gas tightness relatively poor, though can utilize face seal contact to improve with the leakproofness of the facial contact position of wearer, if face seal contact and wearer's facial laminating when relatively poor, still influence the gauze mask to gaseous filtration and corresponding protection effect. The embodiment of the utility model provides an in, utilize the leakproofness inspection mechanism to realize in the cooperation of gas filter element 17, can seal gas filter element 17 through the leakproofness inspection mechanism, after wearing and when passing through the leakproofness inspection mechanism sealed gas filter element 17, if the leakproofness that cover body frame 1 wore is better, at this moment, outside gas can't get into cover body frame 1 in, otherwise, outside gas can get into cover body frame 1 in, whether the person of wearing can directly feel has gaseous business turn over to realize the leakproofness inspection that cover body frame 1 wore. Specifically, after the wearing tightness of the cover frame 1 is checked, corresponding adjustment is performed according to the checked result, and if there is an air leakage or the like, the wearing state of the cover frame 1 may be adjusted until the cover frame 1 is worn in a sealed state.

After the tightness inspection mechanism is used for inspecting the wearing tightness of the cover body frame 1, in order to meet the subsequent breathing requirement, the tightness inspection mechanism needs to remove the sealing of the gas filter element 17, and after the sealing state of the gas filter element 17 is removed, gas can pass through the gas filter element 17, so that the gas inlet and outlet and corresponding filtering in breathing are met.

In addition, a cover frame band 3 is provided on the cover frame 1, and the cover frame band 3 includes a tab type or a head type. The embodiment of the utility model provides an in, utilize cover body frame area 3 can cover body frame 1 in the face of the person of wearing for a long time steadily, according to the form of wearing, cover body frame area 3 can be divided into hangers formula or wear-type. Specifically, when the cover frame band 3 is of the ear-hanging type, the cover frame band 3 can be respectively hung on two ears of a wearer; when the cover frame band 3 is worn on the head, the cover frame band 3 is fitted to the head of the wearer, and the specific form of the cover frame band 3, specifically, the form of the ear-hanging type and the form of the head-wearing type, are all consistent with the existing wearing, and are well known to those skilled in the art, and are not described herein again.

The embodiment of the utility model provides an in, cover body frame 1 detains the cover when the mouth nose periphery, can surround the person's of wearing chin through cover body frame 1 and the sealed physical stamina of facial contact to utilize the sealed physical stamina of facial contact to seal and the person's of wearing chin joint portion. Specifically, the mask body frame 1 and the face contact seal body can be adapted to the chin of the wearer, the chin of the wearer can be surrounded by the mask body frame 1 and the face contact seal body, and the face contact seal body can be in sealing contact with the chin of the wearer. After wearing the mask, when the wearer speaks, the chin moves, and the lower part can be covered and sealed by the mask frame 1 and the face contact seal body, so that the wearing tightness of the mask of the wearer can be further improved. The specific structural style of cover body frame 1, facial contact seal body is with laminating with the lower part of wearer, and does not influence again the leakproofness of speaking after the gauze mask is worn with facial contact as the standard, specifically can select as required, and the here is no longer repeated.

Further, the tightness inspection mechanism comprises a filter element pad pasting which can be pasted on the gas filter element 17 or an inspection cover plate 2 which can be pressed on the gas filter element 17;

when the tightness inspection mechanism adopts the filter element sticking film, the filter element sticking film can be stuck on the outer side surface of the gas filter element 17, and the gas filter element 17 can be sealed by utilizing the filter element sticking film; when the tightness of the contact part of the face contact sealing body of the mask body frame 1 and the face skin of the wearer is detected, the filter element sticking film can be removed from the gas filter element 17;

when the tightness inspection mechanism is the inspection cover plate 2, the inspection cover plate 2 can be pressed on the gas filter element 17, and the gas filter element 17 can be sealed by using the inspection cover plate 2; when the tightness of the contact part of the face contact sealing body of the detection cover body frame 1 and the face skin of the wearer is finished, the inspection cover plate 2 can be directly separated from the gas filter element 17, or a cover plate filter element gap meeting the breathing requirement can be formed between the inspection cover plate 2 and the gas filter element 17.

The embodiment of the utility model provides an in, leakproofness inspection mechanism can be filter core pad pasting or inspection apron 2, of course, and other can be realized sealing to gas filter element 17 to leakproofness inspection mechanism can also adopt, and can not influence follow-up breathing in-process and utilize gas filter element 17 to gas filtration's form, specifically can select as required, and here is no longer repeated.

Specifically, when the leakproofness inspection mechanism adopted airtight filter core pad pasting, the filter core pad pasting can adopt current commonly used film form, and the filter core pad pasting can paste on gas filter element 17, and when the filter core pad pasting pasted on gas filter element 17, can realize the sealed to gas filter element 17, gaseous unable rethread gas filter element 17 is gone into and is gone out in cover body frame 1 promptly. After the tightness of the mask body frame 1 is checked, the filter element film is directly removed from the gas filter element 17, and at this time, the gas filter element 17 can recover to filter the gas because the gas filter element 17 is not shielded, as shown in fig. 2.

When the tightness inspection mechanism is used for inspecting the cover plate 2, the inspection cover plate 2 can be pressed on the gas filter element 17, and the gas filter element 17 can be sealed by using the inspection cover plate 2; after the tightness of the mask body frame 1 is checked, the checking cover plate 2 can be directly separated from the gas filter element 17, or a cover plate filter element gap meeting the breathing requirement can be formed between the checking cover plate 2 and the gas filter element 17. As shown in FIG. 1, the inspection lid plate 2 can be pressed onto the gas filter element 17, and FIG. 2 is a form in which the inspection lid plate 2 can be directly separated from the gas filter element 17. Fig. 5 shows a form in which the inspection cover 2 can form with the gas filter element 17 a cover filter element gap through which gas can flow after wearing the cover frame 1.

As shown in fig. 7, a cover frame cavity 10 is arranged in the cover frame 1, and the cover frame 1 can accommodate the nose and the mouth of the wearer in the cover frame cavity 10; the outer wall of the cover body frame 1 is provided with a plurality of flow guide grooves 23, the inner wall of the cover body frame 1 is provided with cover body frame reinforcing ribs 9, and the cover body frame reinforcing ribs 9 are in positive correspondence with the flow guide grooves 23.

The embodiment of the utility model provides an in, cover body frame 1 has cover body frame chamber 10 in, can correspond with wearer's oral area and nasal part through cover body frame chamber 10 to can accomodate wearer's oral area and nasal part in cover body frame chamber 10. Set up guiding gutter 23 on the outer wall of cover body frame 1, cover body frame 1 inner wall sets up cover body frame strengthening rib 9, and cover body frame strengthening rib 9 corresponds with guiding gutter 23, utilizes cover body frame strengthening rib 9 can improve the intensity of cover body frame 1 lateral wall. When the mask body frame 1 is worn in the environment such as rain, the diversion groove 23 can be used for diversion of liquid, the situation that the liquid gathers on the mask body frame 1 is avoided, and the reliability of the mask body frame 1 in the wearing process is improved.

As shown in fig. 3, a hollow-out cover frame filter element support plate 6 is disposed in the ventilation area of the cover frame 1, and when the gas filter element 17 is disposed in the ventilation area of the cover frame 1, the gas filter element 17 corresponds to the cover frame filter element support plate 6.

The embodiment of the utility model provides an in, cover body frame filter core backup pad 6 corresponds with cover body frame chamber 10 in the cover body frame 1, utilizes cover body frame filter core backup pad 6 can further improve cover body frame 1's intensity, can provide the space of cover body frame 1 in wearing. The cover body frame filter element hole 7 penetrates the cover body frame filter element support plate 6. When the gas filter element 17 is arranged in the cover body frame 1, the gas filter element 17 can be just corresponding to the cover body frame filter element support plate 6, and the cover body frame filter element hole 7 is matched with the gas filter element 17, so that the normal use of the gas filter element 17 is not influenced, the support of the gas filter element 17 can be realized, the strength of the cover body frame 1 is improved, and the stability and the reliability when the gas filter element is worn are improved.

As shown in fig. 2, 4 and 6, the gas filter element 17 includes a gas filtering portion 4 located at the center and a filter element cover body frame connecting ring 5 located at the outer ring of the gas filtering portion 4, the filter element cover body frame connecting ring 5 can be clamped on the cover body frame 1, and the filter element cover body frame connecting ring 5 is connected with the cover body frame 1 in a sealing manner.

The embodiment of the utility model provides an in, gaseous filter part 4 is promptly for realizing gaseous filterable main part, and gaseous filter part 4 can adopt current gas filtration material commonly used, and filter core cover body frame attach ring 5 is located the outer lane of gaseous filter part 4, can improve whole gaseous filtration core 17's hardness through filter core cover body frame attach ring 5 to can realize the joint on cover body frame 1 through filter core cover body frame attach ring 5. Of course, the filter element cover frame connecting ring 5 and the gas filtering part 4 can also be integrally formed, and can be specifically selected according to the requirement, which is not described herein again.

As shown in fig. 9, 10, 12 and 13, a cover frame filter element connecting ring 16 is arranged on the cover frame 1, a filter element cover sleeve 18 capable of being sleeved on the cover frame filter element connecting ring 16 is arranged on the filter element cover frame connecting ring 5, a filter element cover connecting inner ring 19 is arranged in the filter element cover sleeve 18, and an inner ring positioning convex ring body 20 is convexly arranged on one side of the filter element cover connecting inner ring 19;

when the filter element cover body frame connecting ring 5 is sleeved on the cover body frame filter element connecting ring 16 through the filter element cover body sleeve 18, the inner ring positioning convex ring body 20 can be embedded in the connecting ring groove 22 of the cover body frame filter element connecting ring 16 and is positioned below the notch convex ring 21 on the cover body frame filter element connecting ring 16.

The embodiment of the utility model provides an in, cover body frame filter core go-between 16 is cyclic annular, and cover body frame filter core go-between 16 protruding locates cover body frame 1's front, and cover body frame filter core backup pad 6 is located cover body frame filter core go-between 16's inner circle, and generally, cover body frame filter core go-between 16 is located the positive center of cover body frame 1. A connecting ring groove 22 is arranged in the center of the inner side of the connecting ring 16 of the filter element of the cover body frame, and a notch convex ring 21 is arranged above the notch of the connecting ring groove 22.

The lower surface of the filter element cover body frame connecting ring 5 is provided with a filter element cover body frame sleeve 18, and the filter element cover body frame sleeve 18 can cover the cover body frame filter element connecting ring 16, so that the filter element cover body frame connecting ring 5 is hermetically connected with the cover body frame filter element connecting ring 16 on the cover body frame 1. A filter element cover body frame connecting inner ring 19 is arranged in the filter element cover body frame sleeve 18, and an inner ring positioning convex ring body 20 is positioned on one side of the filter element cover body frame connecting inner ring 19. When the filter element housing sleeve 18 is positioned over the housing frame filter element attachment ring 16, the filter element housing frame attachment inner ring 19 is positioned inside the housing frame filter element attachment ring 16, and the inner ring positioning collar body 20 is positioned on the filter element housing frame attachment inner ring 19 adjacent the housing frame filter element attachment ring 16. The inner ring positioning convex ring body 20 is embedded in the connecting ring groove 22, and the inner ring positioning convex ring body 20 can be limited by utilizing the notch convex ring 21, so that the stability of clamping connection between the filter element cover body frame connecting ring 5 and the cover body frame 1 can be ensured.

When concrete implementation, the length of filter core cover body frame cover 18 is different, and it is directional along cover body frame 1 head end on the direction of cover body frame 1 tail end, filter core cover body frame cover 18 becomes long gradually, and filter core cover body frame cover 18's length is different, and the length of overlap is different between cover body frame filter core go-between 16, utilizes the different length of filter core cover body frame cover 18, can ensure cover body frame connect ring 5 and cover body frame 1 and be connected under stable prerequisite, can conveniently realize again cover body frame connect ring 5 and cover body frame filter core go-between 16 the separation.

As shown in fig. 8, 9, 10 and 11, the inspection cover 2 includes a cover body 11 and a cover positioning coupling ring 12 located at an inner ring of the cover body 11;

a filter element cover plate groove allowing the cover plate positioning connecting ring 12 to be embedded is arranged in the gas filter element 17, and the cover plate body 11 can be pressed on the gas filter element 17 after the cover plate positioning connecting ring 12 is embedded in the filter element cover plate groove.

A cover plate filter element head connecting body 13 and/or a cover plate filter element tail connecting body 14 are/is arranged on the cover plate positioning connecting ring 12;

the gas filter element 17 is provided with a filter element cover plate head positioning hole 15 allowing the cover plate filter element head connecting body 13 to be embedded and a filter element cover plate tail positioning hole 8 allowing the cover plate filter element tail connecting body 14 to be embedded;

the cover plate body 11 can be pressed on the gas filter element 17 and realize the sealing of the gas filter element 17 through the matching of the cover plate filter element head connector 13 and the filter element cover plate head positioning hole 15 and the matching of the cover plate filter element tail connector 14 and the filter element cover plate tail positioning hole 8; after the tightness of the mask body frame 1 is checked, a gap of the cover plate filter element meeting the breathing requirement is formed between the cover plate body 11 and the gas filter element 17.

In the embodiment of the present invention, the cover plate body 11 is flat, the cover plate positioning connection ring 12 is annular, and the cover plate positioning connection ring 12 is protruded on a side surface of the cover plate body 11. The front surface of the gas filter element 17 forms a filter element cover plate groove, and the front surface of the gas filter element 17 specifically refers to the surface of the gas entering the inner surface of the cover body frame 1, namely the surface corresponding to the inspection cover plate 2. The cover plate positioning and connecting ring 12 can be embedded in a filter element cover plate groove, and after the cover plate positioning and connecting ring 12 is embedded in the filter element cover plate groove, the cover plate body 11 can be pressed on the filter element cover body frame connecting ring 5 of the gas filter element 17, so that the gas filter element 17 can be sealed by utilizing the cover plate body 11 and the cover plate positioning and connecting ring 12.

After the gas filter element 17 is in a closed state, a cover plate filter element head connector 13 and/or a cover plate filter element tail connector 14 are/is provided on the cover plate positioning connector 12 in order to form a cover plate filter element gap with the gas filter element 17 by using the inspection cover plate 2. Specifically, both the cover plate filter element head connector 13 and the cover plate filter element tail connector 14 are mushroom-shaped, and the corresponding head ends of the cover plate filter element head connector 12 and the cover plate filter element tail connector 14 are larger, specifically, the head end is the end far away from the cover plate positioning connecting ring 12. The cover plate cartridge head connector 13 and the cover plate cartridge tail connector 14 are generally made of elastic or flexible materials.

When only set up apron filter core head connector 13 on apron connection position circle 12, then apron connection position circle 12 only utilizes apron filter core head connector 13 and filter core cover body frame attach ring 5 cooperation, the afterbody of apron body 11 can keep airtight connection, after apron body 11 passes through apron filter core head connector 13 and filter core cover body frame attach ring 5 is connected promptly, only the head of apron body 11 can move relative to filter core cover body frame attach ring 5, realize the sealing to gas filter core 17, and form apron filter core clearance. When only setting up apron filter core afterbody connector 14 on apron connection position circle 12, then with only setting up apron filter core head connector 13 on the contrary, then apron connection position circle 12 only utilizes apron filter core afterbody connector 14 and the cooperation of filter core cover body frame attach ring 5 promptly, the head of apron body 11 can keep the sealing connection, after apron body 11 is connected with filter core cover body frame attach ring 5 through apron filter core afterbody connector 14 promptly, only the afterbody of apron body 11 can move relative to filter core cover body frame attach ring 5, realize the sealing to gas filter core 17, and form apron filter core clearance. Fig. 8 shows the case where both a cover plate cartridge head connector body 13 and a cover plate cartridge tail connector body 14 are provided on the cover plate connection spacer 12.

In order to be matched with the inspection cover plate 2, a filter element cover plate head positioning hole 15 and a filter element cover plate tail positioning hole 8 are arranged on the front face of the filter element cover body frame connecting ring 5 of the gas filter element 17, the filter element cover plate head positioning hole 15 is arranged at the head of the filter element cover body frame connecting ring 5, the filter element cover plate tail positioning hole 8 is located at the tail of the filter element cover body frame connecting ring 5, the head of the filter element cover body frame connecting ring 5 specifically refers to the end part corresponding to the nose after the cover body frame 1 is worn, and the tail of the filter element cover body frame connecting ring 5 specifically refers to the end part corresponding to the mouth or the chin after the. When the filter element cover body frame connecting ring is specifically implemented, two filter element cover plate tail positioning holes 8 are formed in the tail of the filter element cover body frame connecting ring 5.

The embodiment of the utility model provides an in, apron filter core head connector 13 can inlay and put in filter core apron head locating hole 15, simultaneously, apron filter core afterbody connector 14 can inlay and put in filter core apron afterbody locating hole 8. The cover plate body 11 can be pressed on the filter element cover body frame connecting ring 5 by matching the cover plate filter element head connecting body 13 with the filter element cover plate head positioning hole 15 and matching the cover plate filter element tail connecting body 14 with the filter element cover plate tail positioning hole 8; meanwhile, the cover plate body 11 can be pulled by utilizing the shapes of the cover plate filter element head connector 13 and the cover plate filter element tail connector 14, and a cover plate filter element gap meeting the breathing requirement can be formed between the cover plate body 11 and the gas filter element 17.

Of course, in specific implementation, other required connection forms can be used between the inspection cover plate 2 and the gas filter element 17, as long as the air tightness inspection of the worn cover body frame 1 can be met, and the requirements of breathing and gas filtering through the gas filter element 17 can also be met. The embodiment of the utility model provides an in, after forming apron filter core clearance through inspection apron 2 and gas filter element 17, when wearing cover body frame 1 in rainy day or moist environment, utilize the inspection apron 2 to sheltering from of gas filter element 17, realize the protection to gas filter element 17, avoid gas filter element 17 too moist to influence the filtration to gas, improve the adaptability that whole gauze mask was worn.

Further, still include the timing alarm, the timing alarm can set up on cover body frame 1, gas filter element 17 or leakproofness inspection mechanism, can carry out required timing and warning through the timing alarm.

The embodiment of the utility model provides an in, the timing alarm can set up on cover body frame 1, gas filter core 17 or seal inspection mechanism, and the concrete position of timing alarm can be selected according to actual need. The timing alarm can select common structural forms, such as an electronic device with a timing function, a buzzer with an alarm function and a button capable of operating the timing alarm, and operations such as timing alarm, timing alarm suspension and the like can be started through the button, the specific operation type and the set button are accurate, and the button and a controller in the timing alarm are accurate, and the specific setting and operation mode through the button is consistent with the prior art, and is particularly well known by persons in the technical field, and is not repeated herein. The timing alarm can be obtained in a outsourcing mode or can be selected and determined according to requirements by adopting the conventional common timing alarm mode, and the details are not repeated here. The embodiment of the utility model provides an in, can wear to the person of wearing through the timing alarm the time of gauze mask carries out timing alarm, perhaps can carry out timing alarm to the time of leakproofness inspection, and the type of concrete timing alarm can be selected according to actual need, and here is no longer repeated.

Claims (10)

1. A mask convenient for checking wearing tightness comprises a mask body frame (1) capable of covering the periphery of a mouth and a nose in a buckling mode and a ventilation area arranged on the mask body frame (1), wherein a gas filter element (17) is arranged in a sealing connection mode in the ventilation area of the mask body frame (1); the method is characterized in that:

the mask body frame (1) is made of a non-breathable material, and a face contact sealing body capable of contacting with a face is arranged on the mask body frame (1);

the gas filter also comprises a tightness inspection mechanism which can be matched with the gas filter core (17); after the mask body frame (1) is worn on the face, the tightness inspection mechanism can seal the gas filter element (17) so as to detect the tightness of the contact part of the face contact sealing body of the mask body frame (1) and the face skin of a wearer;

after the tightness inspection of the contact part of the face contact sealing body of the detection cover body frame (1) and the face skin of the wearer is finished, the sealing state of the air filter element (17) by the tightness inspection mechanism can be released.

2. The mask according to claim 1, wherein the mask is adapted to be worn with ease, and further comprises: the tightness checking mechanism comprises a filter element film which can be pasted on the gas filter element (17) or a checking cover plate (2) which can be pressed on the gas filter element (17);

when the tightness inspection mechanism adopts the filter element sticking film, the filter element sticking film can be stuck on the outer surface of the gas filter element (17), and the gas filter element (17) can be sealed by utilizing the filter element sticking film; when the tightness detection of the contact part of the face contact sealing body of the cover body frame (1) and the face skin of the wearer is finished, the filter element sticking film can be removed from the gas filter element (17);

when the tightness inspection mechanism is an inspection cover plate (2), the inspection cover plate (2) can be pressed on the gas filter element (17), and the gas filter element (17) can be sealed by the inspection cover plate (2); when the tightness of the face contact sealing body of the mask body frame (1) and the face skin contact part of a wearer is detected, the inspection cover plate (2) can be directly separated from the gas filter element (17), or a cover plate filter element gap meeting the breathing requirement can be formed between the inspection cover plate (2) and the gas filter element (17).

3. The mask according to claim 1, wherein the mask is adapted to be worn with ease, and further comprises: when the mask body frame (1) is covered on the periphery of the mouth and the nose in a buckled mode, the chin of a wearer can be surrounded through the mask body frame (1) and the face contact sealing body, and the joint part of the chin of the wearer can be sealed through the face contact sealing body;

the mask body frame (1) is provided with a mask body frame belt (3), and the mask body frame belt (3) comprises a suspension loop type belt body or a head-wearing type belt body.

4. The mask according to claim 1, wherein the mask is adapted to be worn with ease, and further comprises: the gas filter element (17) is detachably connected with the cover body frame (1).

5. The mask according to claim 1, wherein the mask is adapted to be worn with ease, and further comprises: still include the timing alarm, the timing alarm can set up on cover body frame (1), gas filter core (17) or leakproofness inspection mechanism, can carry out required timing and warning through the timing alarm.

6. The mask according to claim 4, wherein the mask is adapted to be worn with ease, and further comprises: gaseous filter core (17) are including being located the gaseous filtering part (4) at center and being located the filter core cover body frame attach ring (5) of gaseous filtering part (4) outer lane, filter core cover body frame attach ring (5) can the joint on cover body frame (1), and filter core cover body frame attach ring (5) and cover body frame (1) sealing connection.

7. The mask according to claim 1, wherein the mask is adapted to be worn with ease, and further comprises: the face contact sealing body of the cover body frame (1) comprises an air bag sealing ring or a turnover sealing film.

8. The mask with the convenience of wearing tightness inspection according to claim 6, wherein: a cover body frame filter element connecting ring (16) is arranged on the cover body frame (1), a filter element cover body sleeve (18) capable of being sleeved on the cover body frame filter element connecting ring (16) is arranged on the filter element cover body frame connecting ring (5), a filter element cover body connecting inner ring (19) is arranged in the filter element cover body sleeve (18), and an inner ring positioning convex ring body (20) is convexly arranged on one side of the filter element cover body connecting inner ring (19);

when the filter element cover body frame connecting ring (5) is sleeved on the cover body frame filter element connecting ring (16) through the filter element cover body sleeve (18), the inner ring positioning convex ring body (20) can be embedded in a connecting ring groove (22) of the cover body frame filter element connecting ring (16) and is positioned below a notch convex ring (21) on the cover body frame filter element connecting ring (16).

9. The mask according to claim 2, wherein the mask is adapted to be worn with ease, and further comprises: the inspection cover plate (2) comprises a cover plate body (11) and a cover plate positioning connecting ring (12) positioned at the inner ring of the cover plate body (11);

a filter element cover plate groove allowing the cover plate positioning connecting ring (12) to be embedded is arranged in the gas filter element (17), and the cover plate body (11) can be pressed on the gas filter element (17) after the cover plate positioning connecting ring (12) is embedded in the filter element cover plate groove.

10. The mask according to claim 9, wherein the mask is adapted to be worn with ease, and further comprises: a cover plate filter element head connecting body (13) and/or a cover plate filter element tail connecting body (14) are/is arranged on the cover plate positioning connecting ring (12);

a filter element cover plate head positioning hole (15) allowing the cover plate filter element head connecting body (13) to be embedded and a filter element cover plate tail positioning hole (8) allowing the cover plate filter element tail connecting body (14) to be embedded are arranged on the gas filter element (17);

the cover plate body (11) can be pressed on the gas filter element (17) and seal the gas filter element (17) through the matching of the cover plate filter element head connector (13) and the filter element cover plate head positioning hole (15) and the matching of the cover plate filter element tail connector (14) and the filter element cover plate tail positioning hole (8); after the tightness of the mask body frame (1) is checked, a gap of the cover plate filter element meeting the breathing requirement is formed between the cover plate body (11) and the gas filter element (17).

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