TW202327696A - Rotatably adjustable face mark valve - Google Patents

Abstract

The present invention relates to a rotatably adjustable face mask valve, which includes a valve seat, a flap and a valve cover. The valve cover includes a fixed member and a movable member. The movable member is movable relative to the fixed member to change a height position thereof, and includes a pressing portion. When a user holds and rotates the movable member, the pressing portion can be moved between a closed position, in which the pressing portion is pressed against the flap, and an open position, in which the pressing portion is separated from the flap. When the pressing portion is moved to the closed position, an opening on the valve seat is constantly kept in a shielded state. When the pressing portion is moved to the open position, the opening is brought by the user's breath stream to change between the shielded state and a circulating state. Thus, the user may adjust the usage state of the face mask valve according to personal need and change the way the breath stream gets in and leaves the face mask.

Description

Rotary mask air valve

The present invention relates to a mask air valve that adopts a rotation mode to switch the use state, in particular to a mask air valve that is pressed against or away from the valve plate through the rotation of the air valve cover.

The nature is full of various bacteria, viruses and various harmful substances in the air. In particular, viruses can be transmitted through droplets and air, and can be inhaled by the human body to cause infection. Therefore, masks are used to block impurities and germs in the air.

However, in order to effectively prevent the invasion of germs, general masks use several layers of fabric to filter harmful germs, which also causes some users who need to wear them for a long time and need to work in a high temperature environment to be hot and humid, which not only makes users feel uncomfortable , It will also reduce the protective ability of the mask due to moisture.

Therefore, masks with breathing valves are derived on the market. Although they can solve problems such as hot and humid, but because the breathing valve uses the principle of air circulation, some dirty air and harmful substances may pass through the breathing valve when not in use. The opening enters and adsorbs on the filter sheet, and when the user wears it next time, it may be inhaled into the body, causing harm to the body.

According to the previous case, it can be found that the breathing valve that can usually be used to adjust the air volume has a relatively complicated structure and high manufacturing cost. Therefore, this type of equipment is often used in professional fields such as medical treatment and disaster relief. relatively few applications.

The main purpose of the present invention is to provide a face mask air valve that can be held and rotated by the user, so that the user can adjust the air flow through the air valve according to the needs, or make the air valve in a closed state that cannot be exhausted. In order to change the exhaust mode of the breathing mask.

The secondary purpose of the present invention is to quickly align and assemble the valve seat and the valve cover of the mask valve in any orientation or multiple specific orientations, so as to improve the manufacturing efficiency of the mask valve.

Another object of the present invention is that the air valve cover is composed of a fixed part that limits the movement area and a movable part that can rotate relative to the fixed part to change the height, so that the use state of the mask air valve can match the height position of the movable part. At the same time, the movable part and the fixed part can jointly construct a decorative surface, so as to increase the aesthetic appearance of the mask air valve.

Another object of the present invention is to adjust the stage displacement between the movable part and the fixed part, so that the user can adjust the air flow of the mask air valve by himself.

In order to achieve the above object, the rotary face mask air valve of the present invention comprises: an air valve seat, an opening is formed along a central axis, and a first assembly portion and a second assembly portion are provided at the opening; a valve plate , installed on the second assembly part to block the opening, and the valve plate can be deformed by an air flow, so that the opening can be changed from a shielding state to a flow state; and an air valve cover has a fixing part and a movable For the movable part that moves relative to the fixed part, a fixed end of the fixed part passes through the movable part, and the fixed end is connected to the first assembly part, so that a pressing part of the movable part is located in a contact with the valve The closed position of the sheet, and at least one protrusion and at least one guide groove are configured between the fixed piece and the movable piece, so that the movable piece can rotate along the central axis, so that the pressing part can separate the valve piece to an open position.

Wherein, when the pressing portion is moved to the closed position, the opening will remain permanently in the shielding state, and when the pressing portion is moved to the opening position, the opening will be affected by the airflow and can Switch between the shielding state and the flow state.

The first assembling part is constructed with a ring wall and a plurality of stoppers. The ring wall is provided with a neck forming a ring depression and a top contacting the outer periphery of the valve plate, and the stoppers are scattered and arranged on the neck and the air Between a chassis of the valve seat; the second assembly part has a bracket connected to the ring wall and a column extending from the bracket.

In addition, the fixing part has a ring part and a plurality of through parts extending downward from the ring part, a block is provided on the bottom of the through part to match the ring recess, and the guide groove is formed in one of the through parts. The outer surface; the blocks will divide the ring wall into a plurality of fixed areas equally, and the penetrating parts are arranged at intervals on the ring part, and the size of the penetrating part is equal to the size of the fixed area, so that each penetrating part One of the fixing areas can be penetrated, so that the fixing member can be connected to the valve seat in a plurality of selected orientations.

Moreover, the movable member has an outer ring portion surrounding the pressing portion, so that a passing space is formed between the outer ring portion and the pressing portion, and there is a gap between the outer ring portion and the pressing portion. There are a plurality of pin portions in between, so that the piercing space is equally divided into a plurality of piercing areas, and the bumps are scattered and arranged on the outer ring portion, so that the bumps overlap inside the piercing area.

Furthermore, when the penetrating parts of the fixing part penetrate into the penetrating areas of the movable part, the protrusion will be pushed against by the penetrating part and deflect outward until the protruding protrusion is adjacent to the guide groove. , the projection will then deflect inwardly into the guide groove; the guide groove is provided with a vertical section, an inclined section and at least one concave section arranged below the inclined section, so that the pressing part can be positioned on the opening position, the closed position, or an adjusted position between the open position and the closed position.

In another embodiment, the first assembly part is configured as a ring wall with a collar-shaped recessed neck and a top with a plurality of slots formed, the second assembly part has a ring connected to the ring wall The bracket and an insertion hole formed in the bracket; the valve plate has a blocking piece and a pin extending from the blocking piece, and the plug is inserted into the socket so that an outer peripheral edge of the blocking piece can contact the top.

Wherein, the fixing part includes a cover part and a plurality of penetrating parts extending downward from the cover part, the guide groove is formed on an outer surface of the penetrating part, and an inner surface of the penetrating part is provided with a matching ring A recessed clamping block and a rib matching the slot allow the fixing member to be connected to the valve seat in any orientation.

The feature of the present invention is that the gas valve cover has a movable part and a fixed part, and there is a protrusion and a guide groove between them. When in use, the movable part is rotated to the open position along the central axis, so that the opening is in a flow state. After use, the When the movable part rotates to the closed position, the opening will be completely covered, so that the breathing valve can close the opening when it is not in use, preventing air from entering and allowing some harmful substances to be adsorbed on the valve plate.

When the mask air valve is loaded and unloaded, the air valve seat has a recessed neck and a plurality of stoppers, so that the air valve cover can be installed in any direction; and in another embodiment, the plurality of gears The block is changed to a plurality of grooves arranged in a ring shape on the ring, and the air valve cover is provided with ribs matching the slots. This configuration allows the air valve cover to be installed not only in any direction but also to be lifted. The speed is more convenient to use.

In order to further have a clearer and more detailed understanding and understanding of the structure, use and features of the present invention, preferred embodiments are given, and the details are as follows in conjunction with the drawings:

Please refer to shown in Fig. 1, the rotary face mask air valve 1 of the present invention is mainly installed on a breathing mask 5, so that when the user wears the breathing mask 5 to inhale, the outside air is only made by the small size of the breathing mask 5. Aperture intake, can't be taken in by this mask air valve 1; As shown in the figure, the respiratory mask 5 is provided with a single mask air valve 1 located on the side. However, this is only for convenience of illustration, and is not intended to limit the position and quantity of the mask air valve 1 .

Please refer to the first embodiment shown in Fig. 2, the mask air valve 1 of the present invention is to arrange a valve plate 3 on an air valve seat 2, and then an air valve cover 4 is assembled on the air valve seat 2, so that the valve plate 3 are on the air valve seat 2 and the air valve cover 4.

The valve seat 2 has an annular chassis 20, the annular chassis 20 is provided with an opening 21 along a central axis A, and the annular chassis 20 is provided with a first assembly portion 22 along the periphery of the opening 21, and Inside the first joint part 22 is provided a second joint part 23 covering a partial area of the opening 21; wherein, the first joint part 22 has a ring wall 221 and a plurality of stoppers 222, as shown in the figure, the The ring wall 221 is provided with a neck 223 forming a ring recess 225 and a top 224 capable of contacting the outer periphery of the valve plate 3 , and the stoppers 222 are scattered and arranged between the neck 223 and the annular chassis 20 , The ring wall 221 is equally divided into six fixed areas 2 of the same size; and the second assembly part 23 has a bracket 231 connected to the inner side of the ring wall 221, and the bracket 231 is formed by crossing two rods. It is an X shape, and a column 232 extends upward from the intersection of the two rods.

As shown in Figure 3, the center of the valve plate 3 of the present invention has a perforation 31 corresponding to the cylinder 232, and the size of the outer edge of the valve plate 3 is greater than the size of the ring wall, so that when the cylinder 232 is inserted into the perforation 31, The valve sheet 3 can completely cover the opening 21, so that the opening 21 presents a shielded state; in addition, the valve sheet 3 is made of a flexible material, when the breathing mask 5 is used by a user to exhale , the outer edge of the valve plate 3 will be pushed by an exhalation airflow F and separated from the ring wall 221 to form a flow state (refer to FIG. 6B ).

Please refer to FIG. 2 again, the air valve cover 4 is provided with a fixed part 40, a movable part 41 and a blocking part 42, the fixed part 40 has a ring part 401 and three through parts 402 located below the ring part 401 A through hole is provided in the center of the ring portion 401, and the through portions 402 are spaced apart from each other, so that a space S1 is formed between two through portions 402, wherein the width of the space S1 is greater than the width of the through portions 402 and the bottom of the through portion 402 is provided with a block 403 matching the ring recess 225, and the top outside of the through portion 402 is provided with a guide groove 404, and the guide groove 404 is sequentially provided with a vertical section from top to bottom 405 and an inclined section 406 .

The movable member 41 has a pressing part 411 and an outer ring part 412 located outside the pressing part 411, so that a penetrating space S2 is formed between the outer ring part 412 and the pressing part 411, and the pressing part A plurality of pins 413 are provided between the portion 411 and the outer ring portion 412, so that the piercing space S2 is equally divided into six piercing areas 414, wherein the pressing portion 411 is provided with a horizontal piece with a hole 415 formed in the center , the outer ring portion 412 is provided with a curved piece, and the pin 413 is connected to an outer periphery of the horizontal piece and an inner edge of the curved piece along an oblique direction, so that the height of the horizontal piece is lower than the The height of the curved part; and the inner edge of the outer ring portion 412 is provided with three protrusions 416 respectively extending into the piercing area 414 .

Please refer to Fig. 3 again, and the blocking member 42 is provided with a tube portion 421 that can be inserted into the hole 415, and a cover portion 422 adjacent to the outer ring portion 412 is provided at the top of the tube portion 421, the tube portion 421 has a pair of insertion holes 423 corresponding to the size of the cylinder 232 inside. The cover part 422 covers the fixing part 40 and the penetration space S2, and forms a continuous arc together with the curved part on the outer ring part 412. The curved surface makes the overall shape of the air valve cover 4 obtain a better visual effect.

When the mask air valve 1 of the present invention is assembled, the fixed part 40 and the movable part 41 need to be assembled first, then the valve plate 3 is placed on the air valve seat 2, and then the fixed part 40 is assembled on the air valve seat 2. Finally, connect the shutter 42 to the air valve seat 2.

Please refer to FIG. 4A and FIG. 4B , in the process of assembling the fixed part 40 and the movable part 41, firstly, the through parts 402 are respectively aligned with one of the piercing regions 414, and then the fixed When the element 40 moves downward through the through area 414 , the block 403 at the bottom of the through portion 402 will first contact the pressing portion 411 of the movable element 41 , so that the shape of the through portion 402 becomes an expanded state.

Please refer to FIG. 4C , since the protrusions 416 are scattered and arranged under the outer ring portion 412, and the protrusions 416 are arranged inside the penetrating region 414, therefore, the penetrating portion 402 will be pushed to the At this time, the protrusion 416 bends outwards into a deformed state due to being pushed, so that the fixing part 40 can continue to penetrate the movable part 41 downwards.

Please refer to FIG. 4D , when the penetrating portion 402 continues downward, when the block 403 exceeds the height of the pressing portion 411, the penetrating portion 402 will be deformed inward and return to its original state. The protrusion 416 remains in the deformed state when contacting the through portion 402 , until the through portion 402 descends until the guide groove 404 touches the protrusion 416 , and the protrusion 416 returns inwardly to the original state.

Please refer to FIG. 5A, in the process of assembling the valve seat 2 of the valve plate 3, the perforation 31 of the valve plate 3 is aligned with the position of the cylinder 232, so that the valve plate 3 is penetrated by the cylinder 232 Afterwards, it can contact the first connecting portion 22 and the second connecting portion 23 , so as to cover the opening 21 of the annular chassis 20 .

Please refer to FIG. 5B and FIG. 5C, in the process of assembling the valve seat 2 with the fixing member 40, firstly, each through portion 402 is aligned with one of the fixing regions 226 of the ring wall 221, therefore, the fixing member 40 and the valve seat 2 can be assembled in 6 specific directions, and then move the fixing part 40 down to contact the first assembly part 22, and the block 403 at the bottom of the through part 402 will come into contact with The top 224 of the first assembling part 22 makes the through part 402 be pushed outwards so that the external shape becomes the expanded state.

Please refer to FIG. 5D , finally, when the block 403 of the through portion 402 enters the ring recess 225 of the neck 223 , the through portion 402 will return to the original state from the expanded state, thereby, the fixing member 40 The horizontal direction is limited by the two stoppers 222 , and the vertical direction of the fixing member 40 is limited by the ring recess 225 .

Please refer to FIG. 5E , in the process of connecting the blocking member 42 to the valve seat 2, after the tube portion 421 of the blocking member 42 is aligned with the hole 415 in the center of the pressing portion 411, the blocking member 42 moves down to enter the piercing space S2 until the pipe portion 421 touches the valve plate 3, the cover portion 422 of the shutter 42 will be adjacent to the outer ring portion 412, and the cover portion 42 of the shutter 42 422 and the outer ring portion 412 of the movable member 41 jointly form the continuous arc-curved surface, so as to complete the assembly of the mask air valve 1 .

Please refer to FIG. 6A and FIG. 6B, when the mask air valve 1 rotates clockwise along the central axis A through the movable member 41, the protrusion 416 of the movable member 41 moves along the inclined section of the guide groove 404 406 generates an upward movement, so that the pressing portion 411 moves away from the valve plate 3 to an open position P1.

When the user wears the breathing mask 5 and exhales, the exhalation flow F will enter the opening 21, and since only the inner edge of the valve plate 3 is pressed against by the tube portion 421, the outer edge of the valve surface 3 will Pushed by the expiratory airflow F, the opening 21 changes from the shielding state to the flowing state.

Please refer to FIG. 7A and FIG. 7B , when the mask air valve 1 rotates in a counterclockwise direction along the central axis A through the movable member 41 , the protrusion 416 of the movable member 41 moves along the inclined section of the guide groove 404 406 produces an oblique downward movement, so that the pressing portion 411 contacts the valve plate 3 to a closed position P2.

When the user wears the breathing mask 5 and exhales, since the valve plate 3 is pressed against by the tube portion 421 and the pressing portion 411, although the exhalation air flow F will also enter the opening 21, the valve plate cannot be opened. 3 is separated from the valve seat 2, therefore, the opening 21 will remain permanently in the shielded state.

Please refer to FIG. 8 , in order to allow the user to change the air flow of the mask air valve 1 by himself, therefore, the guide groove 404 may further include at least one recessed section 407 disposed below the inclined section 406, so that The pressing portion 411 of the movable element 41 can be positioned not only at the opening position P1 and the closing position P2, but also at an adjustment position (not shown) therebetween.

Please refer to the second embodiment of the mask air valve 1 of the present invention shown in FIGS. It is a bracket 231 forming a circular hole 233. As shown in the figure, the ring wall 221 is provided with a neck 223 forming a ring recess 225, a top 224 capable of contacting the outer periphery of the valve plate 3, and a plurality of holes formed on the top. 224 slot 227; the valve plate 3 is provided with a blocking piece 32 and a pin 33 extending from the blocking piece 32, when the pin 33 of the valve piece 3 enters the circular hole 233 for positioning, the blocking piece 22 An outer perimeter will be adjacent to the top 224 and the slots 227 .

In addition, the fixing part 40 is designed to include a cover part 408 and a plurality of through parts 402 extending downward from the cover part 408, so that the air valve cover 4 is only composed of the fixing part 40 and the movable part 41. As shown in the figure, the guide groove 404 is also formed on an outer surface of the penetrating portion 402, and an inner surface of the penetrating portion 402 is provided with a block 403 matching the ring recess 225 and a matching The protruding rib 409 of the slot 227 enables the fixing member 40 to be connected to the first assembly portion 22 of the valve seat 2 in any orientation.

1: Mask air valve 2: Air valve seat 20: ring chassis 21: opening 22: The first group of joints 221: ring wall 222: block 223: Neck 224: top 225: ring depression 226: Fixed area 227: slot 23: The second joint 231: Bracket 232: cylinder 233: round hole 3: valve plate 31: perforation 32: Blocking film 33: Latch 4: air valve cover 40:Fixer 401: ring department 402: Penetrating part 403: block 404: guide groove 405: vertical segment 406: Inclined segment 407: sunken segment 408: cover 409: convex rib 41: Movable parts 411: Outer ring department 412: Pressing part 413: pin 414: wear area 415: hole 416: Bump 42: Blocking parts 421: pipe department 422: cover part 423: jack 5: Breathing mask A: Central axis F: expiratory airflow S1: interval space S2: Wear space P1: open position P2: closed position

Fig. 1 is the perspective view of the mask air valve of the present invention combined with the mask: Figure 2 is an exploded view of the mask air valve: Fig. 3 is the sectional view of mask air valve; 4A to 4D are schematic cross-sectional views of the assembly of the fixed part and the movable part; 5A to 5E are schematic diagrams of the assembly of the air valve cover, the valve plate and the air valve seat to form the mask air valve; Figure 6A is a schematic diagram of the mask air valve in an open position; Fig. 6B is a schematic diagram of switching between mask air valves in a shielding state and a flow state; Fig. 7A is a use sectional view of the mask air valve in a closed position; Fig. 7B is a schematic diagram showing that the mask air valve remains in a shielded state; Fig. 8 is the schematic diagram that the guide groove of the present invention is designed as a staged track; Figure 9 is an exploded view of another embodiment of the mask air valve of the present invention; and FIG. 10 is a sectional view of FIG. 9 .

1: Mask air valve

2: Air valve seat

20: ring chassis

21: opening

22: The first group of joints

221: ring wall

222: block

223: Neck

224: top

225: ring depression

226: Fixed area

23: The second joint

231: Bracket

232: cylinder

3: valve plate

31: perforation

4: air valve cover

40:Fixer

401: ring department

402: Penetrating part

403: block

404: guide groove

405: vertical segment

406: Inclined segment

41: Movable parts

411: Outer ring department

412: Pressing part

413: pin

414: wear area

415: hole

416: Bump

42: Blocking parts

421: pipe department

422: cover part

423: jack

A: Central axis

S1: interval space

S2: Wear space

Claims (9)

A rotary mask air valve comprising: An air valve seat forms an opening along a central axis, and a first assembly part and a second assembly part are provided on the opening; a valve plate installed on the second assembly part to block the opening, and the valve plate can be deformed by an air flow, so that the opening can be changed from a shielding state to a flow state; and A gas valve cover has a fixed part and a movable part that can move relative to the fixed part, a fixed end of the fixed part passes through the movable part, and the fixed end is connected to the first assembly part, so that the movable part A pressing portion of the member is located at a closed position contacting the valve plate, and at least one protrusion and at least one guide groove are configured between the fixed member and the movable member, so that the movable member can rotate along the central axis , allowing the pressing part to separate the valve plate to an open position; Wherein, when the pressing portion is moved to the closed position, the opening will remain permanently in the shielding state, and when the pressing portion is moved to the opening position, the opening will be affected by the airflow and can Switch between the shielding state and the flow state. The rotary mask air valve as described in claim 1, wherein the first assembly part is configured with a ring wall and a plurality of stoppers, and the ring wall is provided with a neck forming a ring depression and a top that contacts the outer periphery of the valve plate , and the stoppers are scattered and arranged between the neck and a chassis of the valve seat; the second assembly part has a bracket connected to the ring wall and a column extending from the bracket. The rotary mask air valve as described in claim 2, wherein the fixing member has a ring portion and a plurality of penetrating portions extending downward from the ring portion, and the bottom of the penetrating portion is provided with a block that matches the depression of the ring ring , and the guide groove is formed on an outer surface of the penetrating part; the stoppers will divide the ring wall into a plurality of fixed areas equally, and the penetrating parts are arranged at intervals in the ring part, and the size of the penetrating part It is equal to the size of the fixing area, so that each penetrating portion can pass through one of the fixing areas, so that the fixing member can connect the air valve seat from a plurality of selected orientations. The rotary mask air valve according to claim 3, wherein the movable member has an outer ring portion surrounding the pressing portion, so that a passing space is formed between the outer ring portion and the pressing portion Between the outer ring part and the pressing part, there are a plurality of pin parts, so that the piercing space is equally divided into a plurality of piercing areas, and the bumps are scattered and arranged on the outer ring part, so that The bump overlaps inside the piercing area. The rotary mask air valve as described in claim 4, wherein, when the penetrating parts of the fixing part penetrate into the penetrating areas of the movable part, the protrusion will be pushed outward by the penetrating part Flex until the tab is adjacent to the channel, the tab will then flex inwardly into the channel. The rotary face mask air valve according to claim 4, wherein the air valve cover further includes a shielding member, the shielding member is provided with a tube portion and a cover portion, and the tube portion can be inserted into a hole of the pressing portion, The pipe part can be sleeved on the cylinder of the second assembly part, and can be pressed against an inner edge of the valve plate; the cover body is blocked above the penetration space, and the cover body can cooperate with the outer ring part form a continuous curved surface. The rotary mask air valve as claimed in item 1, wherein the guide groove is provided with a vertical section, an inclined section and at least one concave section arranged below the inclined section, so that the pressing part can be positioned on the opening position, the closed position, or an adjusted position between the open position and the closed position. The rotary face mask air valve as described in claim 1, wherein the first assembly part is configured as a ring wall, and the ring wall is provided with a concave neck of a shaped ring and a top of a plurality of slots, the second set The connecting portion has a bracket connected to the ring wall and a socket formed in the bracket; the valve plate has a blocking piece and a pin extending from the blocking piece, and the plug is inserted into the socket so that a piece of the blocking piece The outer periphery can contact the top. According to the rotary mask air valve described in claim 8, the fixing part includes a cover part and a plurality of through parts extending downward from the cover part, the guide groove is formed on an outer surface of the through part, and the An inner surface of the penetrating part is provided with a clamping block matching the recess of the ring and a rib matching the slot, so that the fixing part can be connected with the valve seat from any orientation.

Images