TWM560928U - Air valve structure of face mask - Google Patents

Abstract

A valve air valve structure includes a base, an upper cover body, a valve plate and an exhaust device, wherein a plurality of L-shaped blocks are arranged on the outer side of the upper cover body, and the engagement holes of the air discharge device are A plurality of L-shaped blocks are disposed, and the plurality of L-shaped blocks on the engaging holes are fitted to the plurality of L-shaped blocks of the upper ring wall, so that the air exhausting device can be coupled to the cover.

Description

Mask valve structure

The present invention relates to a gas valve structure for a mask, and more particularly to a gas valve structure for a mask.

Masks are one of the indispensable hygiene products available today. They are mainly worn on the nose and mouth of the user. They are used to block the dirt, dust or germs of the outside air when breathing, in order to increase the efficiency of the mask. Many manufacturers will add many improvements or additional accessories to the mask. As shown in Fig. 1, it is mainly provided with a gas valve 11 on the surface of the mask 1, which is mainly used by the user when inhaling. 1 body to filter the external dirt, dust or germs, and when the user exhales, it is through the through hole 110 in the gas valve 11 to quickly exhale the gas out of the mask 1 so that the exhalation can be The rapid discharge of the gas improves the comfort of the wearer. However, although the gas valve 11 can discharge the exhaled gas in a timely manner, the passive exhaust method cannot be promptly and quickly eliminated, and further, the gas valve 11 cannot be added. Other auxiliary devices or parts are still slightly inconvenient to use.

Therefore, how to improve the above-mentioned missing problems is the technical difficulty point that the creators of this case want to solve.

The main purpose of the present invention is that it is mainly composed of a base, an upper cover body, a valve piece and an exhaust device, wherein a plurality of L-shaped complex numbers are arranged on the outer side of the upper cover wall. The plurality of L-shaped blocks are arranged on the engaging holes of the air exhausting device, and the plurality of L-shaped blocks on the engaging holes are fitted to the plurality of L-shaped blocks of the upper ring wall, so that the air discharging device can be coupled to the cover body. .

Conventional part:

1‧‧‧ mask

11‧‧‧ gas valve

110‧‧‧through hole

This creation:

2‧‧‧ gas valve

3‧‧‧Base

30‧‧‧ accommodating space

301‧‧ ‧ convex

31‧‧‧Contact surface

310‧‧‧ trench

32‧‧‧Bump

321‧‧‧ Ribs

4‧‧‧Upper cover

40‧‧‧ space

401‧‧‧ ring body

402‧‧‧ Ribs

41‧‧‧Upper Ring Wall

410‧‧‧L type plural

411‧‧‧ bumps

42‧‧‧Contact surface

421‧‧‧ ribs

43‧‧‧ Lower ring wall

431‧‧‧Bumps

5‧‧‧ valve

50‧‧‧Perforation

6‧‧‧Exhaust device

60‧‧‧Join hole

61‧‧‧L type block

611‧‧‧ bumps

62‧‧‧ exhaust vents

7‧‧‧ masks

8‧‧‧shading cover

80‧‧‧through hole

81‧‧‧Join hole

82‧‧‧L type block

821‧‧‧ bumps

Figure 1 is a stereoscopic view of the conventional use.

Figure 2 is a three-dimensional appearance of the creation.

Figure 3 is a three-dimensional exploded view of the creation.

Figure 4 is a three-dimensional exploded view of the creation of the second.

Figure 5 is a cross-sectional view of the creation.

Figure 6 is a schematic view of a preferred embodiment of the present invention.

Figure 7 is a schematic diagram 2 of a preferred embodiment of the present invention.

Figure 8 is a third schematic diagram of a preferred embodiment of the present invention.

Figure 9 is a schematic view of a preferred embodiment of the present invention.

Figure 10 is a schematic diagram 5 of a preferred embodiment of the present invention.

Figure 11 is a first schematic diagram of a further embodiment of the present creation.

Figure 12 is a second schematic diagram of a further embodiment of the present creation.

Figure 13 is a third schematic diagram of a further embodiment of the present creation.

Figure 14 is a fourth diagram of a further embodiment of the present invention.

Please refer to Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10, Fig. 11, Fig. 12, Fig. 13 and Figure 14 is a perspective view, a perspective exploded view, a cross-sectional view, and a preferred embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS AND EMBODIMENT OF THE EMBODIMENT, it is clear from the figure that the gas valve 2 of the present invention comprises: a base 3 having an accommodating space 30, a contact surface 31 and a stud 32; A plurality of protrusions 301 are disposed in the 30, a groove 310 is disposed on the contact surface 31, and the protrusions 32 are disposed in the accommodating space 30 by the plurality of ribs 321 and have a gap 322 between the plurality of ribs 321; The body 4 is disposed on the base 3, the upper cover 4 has a space 40, an upper ring wall 41, a contact surface 42 and a lower ring wall 43, and a plurality of L-shaped blocks 410 are disposed outside the upper ring wall 41; The space 40 is provided with a ring body 401 through a plurality of ribs 402. The ring body 401 is fitted to the boss 32 of the base 3. The plurality of L-shaped blocks 410 disposed outside the upper ring wall 41 are disposed. A bump 411 is disposed on the contact surface 42 and a rib 421 is disposed on the bottom surface 43. The lower ring wall 43 is provided with a plurality of bumps 431. The valve plate 5 has a through hole 50 and is disposed on the base 3 by the through hole 50. On the column 32; an exhaust device 6 having an engagement hole 60, and the plurality of L-shaped cards are disposed on the engagement hole 60 61, wherein the L-shaped block 61 is fitted into the plurality of L-shaped blocks 410 of the upper wall 41 of the upper cover 4; wherein the plurality of L-shaped blocks 61 of the engaging holes 60 are provided with a bump 611. The gas valve 2 of the present invention is mainly disposed on the mask 7, and the mask 7 is sandwiched between the base 3 and the upper cover 4 (as shown in FIG. 5), and the mask is passed through the rib 421 of the contact surface 42. 7 is pressed into the groove 310 of the contact surface 31 to enable the gas valve 2 to be firmly coupled with the mask 7 without It is easy to slide or even loose, and between the base 3 and the upper cover 4, the protrusion 431 which is inserted through the convex body 301 of the base 3 to the lower wall 43 of the upper cover 4, and the ring of the upper cover 4 The body 401 is fitted to the boss 32 of the base 3 so that the base 3 and the upper cover 4 are tightly coupled to each other. In addition, when the ring body 401 of the upper cover 4 is fitted to the boss 32 of the base 3 At the same time, the ring body 401 simultaneously restrains the position of the valve plate 5 to avoid the arbitrarily moving of the valve plate 5. According to the above, when the air exhausting device 6 is to be mounted on the air valve 2, the plurality of the engaging holes 60 are mainly firstly The L-shaped block 61 is vertically inserted into the plurality of L-shaped blocks 410 of the upper ring wall 41, and then the air exhausting device 6 is rotated in the clockwise direction to make the bumps 611 on the plurality of L-shaped blocks 61 and the plurality of L-shaped blocks 410 The bumps 411 are mutually abutted so that the air exhausting device 6 can be firmly coupled to the air valve 2 (as shown in FIGS. 6 and 7), and when the air exhausting device 6 is to be removed, the row will be directly discharged. The wind device 6 rotates in the counterclockwise direction, so that the protrusion 611 on the L-shaped block 61 is disengaged from the bump 411 of the L-shaped block 410, and the air exhaust device 6 can be removed; and when the user wears the mask 7, When inhaling, it is The mask 7 itself filters out dirt, dust or germs from the outside, and when the user exhales, the edge of the valve plate 5 is pushed away by the pressure of the exhaled gas, and the gas enters the accommodating space 30 of the pedestal 3. Finally, it is led out by the air exhaust device 6 (as shown in FIG. 9); and the gas valve 2 of the present invention can be applied to the flat mask 7 as shown in FIG. The cup-shaped mask 7 shown in Fig. 10, basically the gas valve 2 of the present invention can be applied to all currently available related masks; in addition, as shown in Figs. 11 and 12, the upper ring wall 41 is plural L The complex number 410 and the plurality of L-shaped blocks 61 of the rotary exhaust device 6 are in the other direction, the same is the first The plurality of L-shaped blocks 61 in the engaging holes 60 are vertically inserted into the plurality of L-shaped complex numbers 410 of the upper ring wall 41, and then the air exhausting device 6 is rotated counterclockwise to make the bumps 611 and the complex L on the plurality of L-shaped blocks 61. The bumps 411 of the complex number 410 are mutually resisted so that the air exhausting device 6 can be firmly coupled to the air valve 2, and when the air exhausting device 6 is to be removed, the air exhausting device 6 is directly rotated in the clockwise direction. The air outlet device 6 can be removed by disengaging the bump 611 on the L-shaped block 61 from the bump 411 of the L-shaped complex 410. The air valve 2 of the present invention can be installed on the air exhaust device 6 except When the air exhaust device 6 runs out of power, the air exhaust device 6 can be removed, and in order to prevent the external dirt or dust from entering the air valve 2 after the air exhaust device 6 is removed, it can be as shown in Figs. 13 and 14 As shown, a cover body 8 is additionally provided, which mainly inserts a plurality of L-shaped blocks 82 disposed in the engaging holes 81 at the bottom of the cover cover 8 into the plurality of L-shaped complex numbers 410 of the upper ring wall 41, and then continues. Rotating the shielding cover 8 in the clockwise direction to make the bump 821 on the plurality of L-shaped blocks 82 and the bumps 411 of the complex L-shaped complex 410 mutually oppress each other to make the shielding cover 8 can be firmly coupled to the air valve 2, when the user wears the mask 7, when the user exhales, the edge of the valve plate 5 is pushed away by the pressure of the exhaled gas, and the gas enters the accommodating portion of the base 3. In the space 30, finally, the plurality of through holes 80 of the shielding cover 8 are discharged; in addition to the air exhausting device 6 or the shielding cover 8 as described above, the gas valve 2 of the present invention may be combined with other different types of accessories. Of course, it is necessary to have an L-shaped block 61 and a bump 611, such as the exhaust device 6, to match the L-shaped complex number 410 and the bump 411 of the upper ring wall 41; in summary, no other auxiliary can be added compared to the conventional mask. The absence and inconvenience of the device or the part, the valve 2 of the present invention is a plurality of L-shaped plural 410 which is set through the upper cover 4. The plurality of L-shaped blocks 82 provided with the air exhausting device 6 can be used for loading and unloading the air exhausting device 6 according to requirements, or replacing the shielding cover body 8, and can also be combined with other compatible accessories, thereby greatly improving the mask 7 The convenience of use, and the effect of active exhaust by the exhaust device 6, the creation is more passive than the conventional method, the creation can increase the comfort of the wearer.

The above-exemplified embodiments are used to clarify one of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Anyone skilled in the art can make some changes without departing from the spirit and scope of the present invention. Changes and refinements, so the scope of protection of this creation is subject to the definition of the scope of the patent application.

Claims (9)

A gas valve structure of a mask, comprising: a base having an accommodating space, a contact surface and a protruding post; an upper cover body disposed on the base, the upper cover body having a space and an upper ring wall, a contact surface and a lower ring wall, and a plurality of L-shaped complex numbers are disposed on the outer side of the upper ring wall; a valve piece having a perforation and being disposed on the protruding post of the base by the through hole; and an exhaust device having an engagement And a plurality of L-shaped blocks are disposed on the hole, so that the L-shaped blocks are fitted to the upper ring wall by a plurality of L-shaped complex numbers. The air valve structure of the mask according to claim 1, wherein a plurality of protrusions are disposed in the accommodating space of the pedestal. The air valve structure of the mask of claim 1, wherein a groove is provided on the contact surface of the base. The air valve structure of the mask according to claim 1, wherein the protrusion of the base is disposed in the accommodating space by a plurality of ribs. The air valve structure of the mask of claim 1, wherein the space of the upper cover body is provided with a ring body through a plurality of ribs, and the ring body is fitted to the protruding post of the base. The air valve structure of the mask according to claim 1, wherein a plurality of L-shaped complex numbers disposed outside the upper ring wall are provided with a bump. The air valve structure of the mask of claim 1, wherein the contact surface of the upper cover body is provided with a rib. The air valve structure of the mask according to claim 1, wherein the upper cover body is provided with a plurality of bumps on the ring wall. The air valve structure of the mask according to claim 1, wherein a plurality of L-shaped blocks of the engaging holes are provided with a bump.