CN111421606A

CN111421606A - Perforator for mask

Info

Publication number: CN111421606A
Application number: CN202010270831.6A
Authority: CN
Inventors: 朴盛焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-02
Filing date: 2020-04-08
Publication date: 2020-07-17
Also published as: KR102251453B1; CN112171782A; CN112171782B

Abstract

The invention relates to a mask perforator, comprising: a cylindrical housing; a rotary knife which is detachably inserted into the cylindrical main body tightly attached to the inner side of the shell, and is provided with a blade placing groove on the outer peripheral surface of the main body, so that the blade is placed and protrudes towards the lower side of the main body; the shell is fixed at one end of the mask, the rotary knife rotates in the shell, a hole is formed in the mask through the knife edge, and an air valve can be assembled in the formed hole for use.

Description

Perforator for mask

[ technical field ] A method for producing a semiconductor device

The invention relates to a respirator perforator, in particular to a respirator perforator which can be used by assembling an air valve on a common respirator by perforating a hole on the respirator.

[ background of the invention ]

In a polluted atmosphere environment, a mask is used as a means for protecting a respiratory tract, and recently, the usage amount of the mask is increased greatly due to yellow sand, influenza, a mutant virus and the like.

The mask widely used generally is made of materials such as cotton, non-woven fabrics and paper, has a filtering effect, and can isolate inhalable particles, viruses or cold air in the air to protect the respiratory tract.

However, the mask is tightly attached to the face after wearing the mask, so that the breathing is not smooth, and the mask is difficult to wear for a long time due to moisture and discomfort generated during expiration.

In view of these problems, a mask having an air valve attached to one end of the mask is used, and patent document 1 exemplifies a mask having an air valve.

As described above, the mask equipped with the air valve has an advantage in that uncomfortable air inside the mask can be rapidly discharged, so that breathing becomes more comfortable.

However, the mask equipped with the air valve cannot be worn for a long time, and the mask increases the economic burden as compared with the conventional mask, and is still unacceptable for people who wear the mask for a long time.

[ Prior art documents ]

[ patent document ]

1. Korean Utility model registration No. 20-0480574 (2016.06.02.)

[ summary of the invention ]

[ problem ] to provide a method for producing a semiconductor device

The invention aims to provide a respirator perforator which can simply penetrate a hole on a common respirator and can be used by assembling an air valve.

[ technical solution ] A

To achieve the object, the present invention is characterized in that the structure thereof comprises: a cylindrical housing; a rotary knife which is detachably inserted into the cylindrical main body tightly attached to the inner side of the shell, and is provided with a blade placing groove on the outer peripheral surface of the main body, so that the blade is placed and protrudes towards the lower side of the main body; and fixing the shell at one end of the mask, so that the rotary knife rotates in the shell, and then the blade penetrates through a hole in the mask.

The air valve is assembled on the formed mask hole for use, and the mask with the air valve can be used without purchasing a high-price mask with the air valve.

Another feature of the present invention is that the structure thereof comprises: a sleeve which is cylindrical and can be inserted into the inner side of the shell, and the edge part of the upper end of the sleeve is provided with a clamping groove; and, the cylindrical body is inserted in the removable way to cling to the inside of the said cover, the perimeteric surface of the body has knife edge laying grooves, make the knife edge lay and project to the underside of the body at the same time, the upside has rotary knives of the engaging lug corresponding to engaging groove of the said cover; and fixing the shell at one end of the mask, so that the sleeve and the rotary knife rotate in the shell, and further, the blade penetrates through a hole in the mask.

Still another feature of the present invention is that the engaging grooves and the engaging protrusions of the sleeve and the rotary knife are formed in a zigzag shape and rotate together only in one side direction.

The present invention is still further characterized in that the engaging groove of the case is formed by two or more grooves having different depths, and when the engaging projection of the rotary knife is engaged with the engaging groove having a deep depth, the lower end of the blade is projected toward the lower side of the rotary knife to cut off the mask, and when the engaging projection of the rotary knife is engaged with the engaging groove having a shallow depth, the lower end of the blade is not projected toward the lower end of the rotary knife.

In still another aspect of the present invention, the magnet is housed inside the rotary knife, and the blade placed on the outside is kept attached by magnetic force.

Still another feature of the present invention is that the blade seating groove is formed in plurality on the outer circumferential surface of the rotary knife, and the height of the blade protruding to the lower side of the rotary knife is variously set.

[ PROBLEMS ] the present invention

The beneficial effect of the invention is that,

The common mask can simply penetrate through the hole, and the mask hole formed in the way can be assembled with an air valve for use, so that the high-price mask with the air valve does not need to be purchased and can also be assembled with the air valve for use;

The applicable cutting edge of the invention is the cutting edge of a commonly used cutting knife, so that the consumed cutting edge is easy to purchase and use;

The invention is characterized in that a hole is punched at any position of the mask and the air valve is assembled, thus the air valve can be assembled according to the requirements of consumers;

The invention can be used with the mask, only the polluted mask is replaced, and the air valve is assembled for use, so the use cost is saved.

[ description of the drawings ]

FIG. 1 is a perspective view showing an example of a perforator according to the present invention in a coupled state;

FIG. 2 is an exploded perspective view of the FIG. 1;

Fig. 3 is a perspective view of a state in which a blade edge is attached to the rotary knife of the present invention;

FIG. 4 is a developed view illustrating the height to which the blade is attached;

FIG. 5 is an isolated perspective view showing another embodiment of the present invention;

FIG. 6 is a bottom perspective view of the present invention magnet in combination with a rotary knife;

FIG. 7 is a cross-sectional view illustrating the function of the rotary knife of the present invention; wherein (a) and (b) show two states of the rotating knife;

Fig. 8 to 11 are perspective views showing a use state of the present invention;

Fig. 12 is a bottom perspective view showing an example of the housing of the present invention.

[ notation ] to show

10: a housing; 11: a flange;

12: pressing the bump; 20: a rotary knife;

21: an annular projection; 22: a handle;

23: a blade mounting groove; 24: clamping the convex block;

30: sleeving; 31: a clamping groove;

40: a blade; 50: a magnet;

60: a mask; 70: and (4) an air valve.

[ detailed description ] embodiments

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

The same reference numerals are used for the same name parts in the drawings.

Fig. 1 is a perspective view showing an example of a perforator of the present invention in a coupled state, fig. 2 is a perspective view of the above fig. 1 in a separated state, fig. 3 is a perspective view showing a state where a blade is attached to a rotary blade of the present invention, the mask perforator of the present invention is roughly divided into a case (10) and a rotary blade (20), the case (10) has a cylindrical shape, a lower end is provided with a flange (11) in an expanded state, the rotary blade (20) is formed in a cylindrical body, an upper end is provided with an annular protrusion (21), and an upper end of the annular protrusion (21) is provided with a handle (22.

The inner part of the shell (10) is communicated, the rotary knife (20) is inserted into the inner diameter tightly attached to the shell (10), the annular convex part (21) of the rotary knife (20) limits the rotary knife (20) from being further inserted into the shell (10), and the lower end of the rotary knife (20) is positioned the same as the lower end of the shell (10).

A plurality of blade receiving grooves (23) are formed outside the rotary knife (20) so that the blades (40) are received.

The blade (40) is used by cutting off a widely used so-called cutting blade (a blade used by pushing a handle to pull out the blade in a blade holder by a required length), so that the blade mounting groove (23) is formed in a shape corresponding to the shape of the blade (40), a part of the blade mounting groove (23) is arranged slightly downward, the lower end of the blade (40) protrudes downward of the rotary blade (20) when the blade (40) is assembled, and a part of the blade mounting groove (23) is arranged slightly upward, and the blade (40) is prevented from protruding downward of the rotary blade (20).

Therefore, when the rotary knife (20) is used, the blade (40) is clamped into the blade placing groove (23) arranged towards the lower side for use, and when the rotary knife is not used, the blade is clamped into the groove arranged towards the upper side for storage.

The mask is cut and perforated by the blade (40) protruding to the lower side of the rotary knife (20), but the thickness of the mask is different, so in view of these problems, as shown in fig. 4, the blade is formed according to the height of the blade mounting groove (23) formed on the outer surface of the rotary knife (20), and the height (d) of the blade (40) protruding to the lower side is changed.

Fig. 5 and 6 are separate perspective views showing another embodiment of the present invention, according to which the same embodiment as shown in fig. 1 and 2 is provided with a sleeve (30) sandwiched between the housing (10) and the rotary knife (20). Therefore, the details of the above embodiments are not repeated.

The sleeve (30) is formed in a cylindrical shape, is sleeved outside the rotary knife (20), and has an inner diameter enabling the rotary knife (20) to be inserted in a close fit manner and an outer diameter enabling the rotary knife to be inserted in a close fit manner.

A plurality of clamping grooves (31) are arranged on the edge part of the upper end of the sleeve (30), and clamping convex blocks (24) corresponding to the clamping grooves (31) are arranged below the annular convex part (21) of the rotary knife (20).

The engaging grooves (31) and engaging projections (24) of the sleeve (30) and the rotary knife (20) are formed in a zigzag shape and can rotate together only in one direction, and the direction of rotation coincides with the position where the blade of the blade (40) is formed.

The engagement groove (31) of the sleeve (30) is formed by more than two grooves with different depths, when the engagement projection (24) of the rotary knife (20) is combined with the engagement groove (31a) with deep depth, the lower end of the knife edge (40) projects towards the lower side of the rotary knife (20), so that the mask can be cut off, and when the engagement projection (24) of the rotary knife is combined with the engagement groove (31b) with shallow depth, the lower end of the knife edge (40) does not project towards the lower end of the rotary knife (20), so that the positions of the mask during use and storage are different.

The blade (40) can be simply clamped into the blade mounting groove (23) of the rotary knife (20) in an interference fit mode for use, and can also be adhered and fixed by an adhesive or the like.

The blade (40) may be kept attached by using a magnet (50), but as shown in fig. 6, the magnet (50) is inserted and fixed to the inside of the rotary knife (20), and the blade (40) is kept inserted into the blade receiving groove (23) by the magnetic force of the magnet (50).

The function of the present invention constructed as described above will be described in detail with reference to fig. 7 to 11.

Fig. 7 is a cross-sectional view showing a state in which the punch of the present invention is rotated while being placed on the mask (60), (a) shows a state in which the engagement projection (24) of the rotary knife (20) is positioned in the deep engagement groove (30a) of the case (30), and shows a state in which the blade (40) is projected toward the lower side of the case (10) to cut the mask (60), (b) shows a state in which the engagement projection (24) of the rotary knife (20) is positioned in the shallow engagement groove (31b) of the case (30) and the blade (40) is not projected toward the lower side of the case (10).

When the mask (60) is further used with the blade (40) projected in the state shown in fig. 7 (a), the case (10) is first set at any position of the mask (60) as shown in fig. 8, the rotary blade (20) is inserted into the case (10), the rotary blade (20) is rotated by the handle (22) as shown in fig. 9, the rotary blade (20) is rotated together with the sleeve (30), the hole (61) is formed by the blade (40) projected downward as shown in fig. 10, and the air distribution valve (70) is then attached to the hole (61) as shown in fig. 11.

For reference, the air valve (70) is composed of an inner base (71), an outer base (72) and a cover (73), wherein the inner base (71) is arranged inside the hole (61) of the mask (60), the outer base (72) and the cover (73) are combined with each other and positioned outside the hole (61) of the mask (60), and the outer base (72) is provided with a filter.

The air valve (70) mounted on the mask (60) can be applied to various forms, but is not limited to this structure.

After the air valve (70) is assembled in the way, when the mask (60) is polluted in the process of using the mask (60), the air valve (70) can be detached and assembled on a new mask for use, and after the air valve (70) is polluted, a new air valve can be assembled for use.

Fig. 12 shows another embodiment of the case 10 according to the present invention, in which a plurality of pressing protrusions 12 are provided on the bottom surface of the flange 11 of the case 10, and when the mask 60 is pressed by the case 10 in order to insert the hole in the mask 60, the hole is safely inserted by preventing slipping of the pressing protrusions 12.

Claims

1. A mask perforator for a patient, comprising a first chamber and a second chamber,

The structure includes: a cylindrical housing; a rotary knife which is detachably inserted into the cylindrical main body tightly attached to the inner side of the shell, and is provided with a blade placing groove on the outer peripheral surface of the main body, so that the blade is placed and protrudes towards the lower side of the main body;

And fixing the shell at one end of the mask, so that the rotary knife rotates in the shell, and then the blade penetrates through a hole in the mask.

2. A mask perforator for a patient, comprising a first chamber and a second chamber,

The structure includes: a cylindrical housing; a sleeve which is cylindrical and can be inserted into the inner side of the shell, and the edge part of the upper end of the sleeve is provided with a clamping groove; and, the cylindrical body is inserted in the removable way to cling to the inside of the said cover, the perimeteric surface of the body has knife edge laying grooves, make the knife edge lay and project to the underside of the body at the same time, the upside has rotary knives of the engaging lug corresponding to engaging groove of the said cover;

And fixing the shell at one end of the mask, so that the sleeve and the rotary knife rotate in the shell, and further, the blade penetrates through a hole in the mask.

3. The mask perforator of claim 2,

The engaging grooves and the engaging projections of the sleeve and the rotary knife are formed in a zigzag shape and rotate together only in one direction.

4. The mask perforator of claim 2,

The clamping groove of the sleeve is formed by more than two grooves with different depths, when the clamping lug of the rotary knife is combined with the clamping groove with the deep depth, the lower end of the blade protrudes to the lower side of the rotary knife to cut off the mask, and when the clamping lug of the rotary knife is combined with the clamping groove with the shallow depth, the lower end of the blade does not protrude to the lower end of the rotary knife.

5. The mask perforator according to claim 1 or 2,

The inside of the rotary knife accommodates a magnet, and the blade placed on the outside is kept in an attached state by magnetic force.

6. The mask perforator according to claim 1 or 2,

The plurality of blade mounting grooves are formed at different heights on the outer circumferential surface of the rotary knife, so that the blades protrude to different heights toward the lower side of the rotary knife.