TWI555542B - Nasal breathing apparatus - Google Patents

Description

Nasal respirator

The present invention relates to a medical article, and more particularly to a nasal plug respirator.

As shown in FIG. 1 and FIG. 2, a conventional nasal plug type respirator includes a main body 1, a headband 2 coupled to both sides of the main body 1, a nasal plug 3 embedded in the inner side of the main body 1, and a reversed The nasal plug 3 is mounted on the air duct 4 outside the body 1. The main body 1 is integrally formed of a silicone material, and has a rear wall 101 and a front wall 102 extending outward from the periphery of the rear wall 101 and converging. The rear wall 101 has a panel for the nasal plug 3 The 301 is embedded with an annular insertion hole 103. The front wall 102 has a coupling hole 104 for mounting and positioning the gas pipe 4.

The nasal plug 3 has the necessity of being replaced every day based on sanitary and environmental factors, but since the body 1 is made of silicone, although the panel 301 can be easily taken out from the annular insert 103, it is necessary to The panel 301 of the nasal plug 3 is indeed embedded in the annular insert 103. The difficulty is extremely high, and there is a problem that the replacement operation is inconvenient, and when the panel 301 is not actually embedded in the annular insert 103, the use is Air leaks can occur, resulting in insufficient air supply and affecting the quality of use.

Accordingly, it is an object of the present invention to provide a nasal plug type respirator which can easily replace a nasal plug unit and which can improve the quality of use.

Therefore, the nasal plug type respirator of the present invention comprises a connecting unit, a nasal plug unit, a gas conveying unit and a headband unit.

The connecting unit is made of a hard material, and includes a body, two side blocks extending from the periphery of the body toward the rear side and inclined outwardly, and an air inlet hole disposed in the body, formed at a rear of the body and located a collar outside the air inlet hole, a convex ring formed on a front surface of the body and located outside the air inlet hole, and two positioning slots respectively disposed on the two side blocks and extending from a rear side toward the front side, The body and the two side blocks cooperate to form a rear open storage space.

The nasal plug unit is made of a flexible material and is detachably mounted to the accommodating space, and includes a front wall and a rear wall, and a connecting wall connecting the front wall and the rear wall. The wall is provided with a sleeve hole outside the collar of the connecting unit, and is respectively disposed on the connecting wall for the two positioning posts of the two positioning slots, and the two nasal plugs respectively formed from the rear wall toward the rear side, The front wall cooperates with the connecting wall and the rear wall to form a chamber, and the chamber communicates with the sleeve hole and the two nasal plugs.

The gas delivery unit is mounted on the convex ring of the joint unit and is located on the front side of the body and communicates with the chamber.

The headband unit is coupled to the two side blocks of the connecting unit.

The effect of the nasal plug respirator of the present invention is that the nasal plug unit can be easily replaced by the cooperation of the two positioning posts and the two positioning slots, and In use, by generating back pressure in the chamber, a better airtightness between the connecting unit and the nasal plug unit can be achieved, and the quality of use can be improved.

10‧‧‧Link unit

11‧‧‧Ontology

111‧‧‧Back

112‧‧‧ front

12‧‧‧ side block

121‧‧‧ rear side

13‧‧‧Air intake

14‧‧‧ collar

15‧‧‧ convex ring

151‧‧‧ Ring groove

16‧‧‧ positioning slot

17‧‧‧Fixed column

18‧‧‧ accommodating space

20‧‧‧Nasal unit

21‧‧‧ front wall

22‧‧‧ Back wall

23‧‧‧Connected wall

231‧‧‧ side

24‧‧‧ Set of holes

25‧‧‧Positioning column

251‧‧ ‧ rim

26‧‧‧Nose plug

27‧‧‧ chamber

30‧‧‧ gas transmission unit

31‧‧‧Connecting tube

311‧‧‧Insert ring

312‧‧‧Flange

313‧‧‧Flexible buckle

32‧‧‧ gas pipeline

40‧‧‧ headband unit

41‧‧‧ side belt

411‧‧‧First perforation

412‧‧‧Second perforation

413‧‧‧ third perforation

42‧‧‧Headband

43‧‧‧Headband

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a plan view of a conventional nasal plug respirator; FIG. 2 is a view of the conventional nasal respirator 3 is a perspective assembled view of an embodiment of a nasal plug respirator of the present invention, showing a connecting unit, a nasal plug unit, a gas delivery unit and a headband unit; FIG. 4 is a partial perspective view of the embodiment. The exploded view shows the connecting unit, the nasal plug unit and the gas conveying unit; FIG. 5 is another exploded perspective view of the embodiment; FIG. 6 is a cross-sectional view taken from line VI-VI of FIG. 3, showing the nasal plug a combined state of a front wall of the unit and a main body of the connecting unit; and FIG. 7 is a cross-sectional view taken from line VII-VII in FIG. 3, showing that two positioning posts of the nasal plug unit are embedded in the connecting unit Position the state within the hole.

Before the present invention is described in detail, it should be noted that relative positional terms used in the following description, such as "front" and "back", are based on the orientations shown in the figures and the normal use orientation.

As shown in FIG. 3 to FIG. 7 , an embodiment of the nasal plug respirator of the present invention comprises a connecting unit 10 , a nasal plug unit 20 , and a gas conveying unit 30 . And a headband unit 40.

The connecting unit 10 is made of a hard material, and includes a body 11 , and two side blocks 12 extending from the periphery of the body 11 toward the rear side and facing outwardly, and an air inlet hole 13 disposed in the body 11 . a collar 14 of the body 11 and located outside the air inlet opening 13 , a convex ring 15 formed on a front surface 112 of the body 11 and located outside the air inlet opening 13 , respectively disposed on the two side blocks 12 Two positioning slots 16 extending from the rear side 121 toward the front side, and two fixing posts 17 respectively disposed on the front side of the two side blocks 12 and adjacent to the front side of the two positioning slots 16, the body 11 and the two side blocks 12 cooperates to form an accommodating space 18 that is open on the rear side.

The collar 15 has a ring groove 151 formed on the outer ring surface.

The nasal plug unit 20 is made of a flexible material and is detachably mounted on the accommodating space 18 and includes a front wall 21 and a rear wall 22, and a connection between the front wall 21 and the rear wall 22 The wall 23 is disposed on the front wall 21 for the sleeve hole 24 disposed outside the collar 14 of the connecting unit 10, and is disposed on the two side portions 231 of the connecting wall 23 for inserting the two positioning slots 16 a positioning post 25, and a two-nose plug 26 formed from the rear wall 22 toward the rear side, the front wall 21 and the connecting wall 23 and the rear wall 22 cooperate to form a chamber 27, and the chamber 27 and the sleeve The bore 24 is in communication with the two nasal plugs 26.

Each of the positioning posts 25 has a retaining edge 251 formed at a free end.

In the embodiment, the nasal plug unit 20 is made of silicone, and the shape of the front wall 21 and the connecting wall 23 and the rear wall 22 corresponds to the shape of the accommodating space 18, so when the nasal plug unit 20 is placed Into the accommodating space In the case 18, the nasal plug unit 20 can be slightly covered by the connecting unit 10 to improve the stability of the nasal plug unit 20.

The gas transmission unit 30 is mounted on the convex ring 15 of the joint unit 10 and located on the front side of the body 11, and includes a connecting cylinder 31 detachably mounted to the convex ring 15, and a rotatably mounted to The gas pipe 32 of the connecting cylinder 31.

The connecting sleeve 31 has a latching ring 311 inserted into the protruding ring 15, a flange 312 formed at the front end of the inserting ring 311, and two elastic latching hooks 313 respectively disposed on the inserting ring 311. The elastic buckle 313 can be fastened to the ring groove 151 of the convex ring 15 so that the connecting cylinder 31 can be easily assembled to or removed from the convex ring 15 .

The gas pipe 32 is inserted into the insert ring 311, and has a second baffle 321 which can be blocked outside the rear end annular surface of the insert ring 311 and can be freely rotated relative to the connecting cylinder 31.

The headband unit 40 is coupled to the two side blocks 12 of the connecting unit 10, and includes two side belts 41, and a rear headband 42 and a headband 43 respectively connected to the two side belts 41. Each side belt 41 has a respective side belt 41. A first through hole 411 is disposed outside the fixing post 17 of the connecting unit 10, a second through hole 412 is provided for the rear head band 42 to be worn, and a third through hole 413 is provided for the head band 43 to pass through.

In use, when the two nasal plugs 26 of the nasal plug unit 20 are inserted into the nostrils of the user (not shown), and the headband unit 40 is worn on the head of the user to position the two nasal plugs 26, Air can be input into the chamber 27 of the nasal plug unit 20 by the gas delivery unit 30, and then passed through The two nasal plugs 26 enter the nostrils of the user to achieve the purpose of supplying air. When the chamber 27 is filled with air, back pressure is generated, and the front wall 21 and the rear wall 22 and the connecting wall 23 are outwardly thrusted. The front wall 21 and the connecting wall 23 are forced against the body 11 and the two side blocks 12 of the connecting unit 10, and the rear wall 22 is forced against the user, thereby causing the connecting unit 10 and the nasal plug. Better air tightness is created between the units 20.

To replace the nasal plug unit 20, the nasal plug unit 20 is first removed toward the rear side, and the two positioning posts 25 are disengaged from the two positioning slots 16, and the removal operation of the nasal plug unit 20 is completed. Then, the new nasal plug unit 20 is removed. The locating hole 25 of the connecting unit 10 is inserted into the locating space 18 of the connecting unit 10, and the sleeve 24 of the nasal plug unit 20 is placed outside the collar 14 of the connecting unit 10, The front wall 21 is in contact with the body 11, and the assembly operation of the nasal plug unit 20 and the connecting unit 10 is completed. It is very convenient to replace the nasal plug unit 20.

In addition, during the assembly process or during use, the left and right movement strokes of the nasal plug unit 20 can be restricted by the retaining edge 251 of the two positioning posts 25 being blocked from the two positioning slots 16 to prevent the nasal plug unit 20 from moving left and right. The amount is too large to leave the connecting unit 10.

In summary, the nasal obturator of the present invention has the following advantages and advantages, so that the object of the invention can be achieved:

The combination of the two positioning posts 25 and the two positioning slots 16 allows the nasal plug unit 20 to be quickly and easily removed from the connecting unit 10 or assembled to the connecting unit 10, which can be easily replaced. The efficacy and advantages of the nasal plug unit 20.

2. In the present invention, when the back pressure is generated by the chamber 27, an outward thrust is generated on the front wall 21 and the connecting wall 22 and the rear wall 23, so that the connecting unit 10 and the nasal plug unit 20 are It can produce better air tightness, which in turn can improve the quality of use.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and the patent specification of the present invention are still It is within the scope of the patent of the present invention.

10‧‧‧Link unit

11‧‧‧Ontology

112‧‧‧ front

12‧‧‧ side block

121‧‧‧ rear side

14‧‧‧ collar

15‧‧‧ convex ring

151‧‧‧ Ring groove

16‧‧‧ positioning slot

17‧‧‧Fixed column

18‧‧‧ accommodating space

20‧‧‧Nasal unit

21‧‧‧ front wall

22‧‧‧ Back wall

23‧‧‧Connected wall

231‧‧‧ side

24‧‧‧ Set of holes

25‧‧‧Positioning column

251‧‧ ‧ rim

26‧‧‧Nose plug

30‧‧‧ gas transmission unit

31‧‧‧Connecting tube

311‧‧‧Insert ring

312‧‧‧Flange

313‧‧‧Flexible buckle

32‧‧‧ gas pipeline

41‧‧‧ side belt

411‧‧‧First perforation

Claims (3)

A nasal plug type respirator comprising: a connecting unit made of a hard material, comprising a body, two side blocks extending from the periphery of the body toward the rear side and inclined outwardly, and an air inlet hole disposed in the body, a collar formed on the rear of the body and located outside the air inlet hole, a convex ring formed on a front surface of the body and located outside the air inlet hole, and respectively disposed on the two side blocks and from a rear side And a second positioning groove extending toward the front side, the body and the two side blocks cooperate to form a rear side open receiving space; a nasal plug unit is made of a flexible material and is removably mounted in the receiving space. a front wall and a rear wall, a connecting wall connecting the front wall and the rear wall, and a sleeve hole disposed on the front wall for being sleeved outside the collar of the connecting unit, respectively disposed on the connecting wall a two positioning post disposed in the two positioning slots, and two nasal plugs respectively formed from the rear wall toward the rear side, the front wall and the connecting wall and the rear wall cooperate to form a chamber, and the chamber and the sleeve The hole is connected with the two nasal plugs, and each positioning post has a molding shape A free end edge of the block; a gas delivery unit mounted to the convex ring and the coupling unit located at the front side of the body and communicating with the chamber; and a tape unit, the block is connected to the two sides of the link units. The nasal plug respirator of claim 1, wherein the connecting unit further comprises two fixing posts respectively disposed on the two side blocks, the headband unit comprising two side straps, and a rear head connecting the two side straps respectively The belt and a headband each have a first perforation for being sleeved outside the fixing post. The nasal plug respirator of claim 2, wherein the gas delivery unit comprises a connecting barrel removably mounted to the convex ring, and a gas delivery tube rotatably mounted to the connecting barrel.