CN214260302U - Department of respiration is with breathing out separation type face guard of breathing in - Google Patents
Department of respiration is with breathing out separation type face guard of breathing in Download PDFInfo
- Publication number
- CN214260302U CN214260302U CN202022915094.9U CN202022915094U CN214260302U CN 214260302 U CN214260302 U CN 214260302U CN 202022915094 U CN202022915094 U CN 202022915094U CN 214260302 U CN214260302 U CN 214260302U
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- Prior art keywords
- mask
- face guard
- interface
- main part
- breathing
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 47
- 238000000926 separation method Methods 0.000 title claims abstract description 26
- 238000005192 partition Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 230000000241 respiratory effect Effects 0.000 claims 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 5
- 239000001569 carbon dioxide Substances 0.000 abstract description 5
- 230000003434 inspiratory effect Effects 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 238000002640 oxygen therapy Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a department of respiration is with breathing out separation type face guard of breathing in, including face guard main part, elastic webbing and check valve, the edge of a wing is installed to the outward flange of face guard main part, and the front end of face guard main part installs the interface of admitting air, the front end of interface of admitting air is connected with the return bend, and the lower extreme of return bend installs the honeycomb duct, the pivot is all installed to the left and right sides of face guard main part, and the outside of pivot is connected with the pull ring, the connecting band is installed to the rear side of pull ring, and the surface of connecting band is provided with the magic subsides, the elastic webbing is connected in the rear end of connecting band, the top of interface of admitting air is provided with the kuppe, and the go-between is installed with the junction of face guard main part to the kuppe, the check valve is settled in the inside of kuppe, and the one end that the check valve is close to the face guard main part is connected with the interface of giving vent to anger. This face guard separates user's expiration and inspiratory line, effectively avoids the user to the repeated inspiration of the carbon dioxide of exhalation, and whole practicality is stronger.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically be a department of respiration is with breathing out separation type face guard of breathing in.
Background
The breathing mask is called as an oxygen mask, and the oxygen mask provides a method for transferring oxygen required by breathing from a storage tank to the lung of a human body, mainly comprises a medical oxygen mask, an aviation oxygen mask, an oxygen mask used by aviation passengers and the like, plays an important role in treating diseases and protecting the safety of the passengers and pilots, and is mainly made of plastics, organic silicon or rubber.
Breathing mask on the market at present is not convenient for separate user's expiration and inspiration in the use, has increased the repeated inhaling of carbon dioxide, and breathing mask is not convenient for to be connected with the oxygen therapy pipe of different thicknesses, is difficult to adjust connection angle simultaneously, and current breathing mask is not convenient for to dismantle with the back bandage, and breathing mask and bandage abandon the problem that has more resource-wasting together after the use, for this reason, we provide a department of respiration with expiration inspiration separation type face guard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a department of respiration is with breathing out separation type face guard of breathing in, with the respirator on the present market who proposes in solving above-mentioned background is not convenient for in the use to user's expiration and the separation of breathing in, the repetition of having increased carbon dioxide is inhaled, and the respirator is not convenient for to be connected with the oxygen therapy pipe of different thicknesses, be difficult to adjust connection angle simultaneously, and current respirator is not convenient for to dismantle with the back bandage, respirator and bandage abandon the problem that has the relatively extravagant resource after the use together.
In order to achieve the above object, the utility model provides a following technical scheme: an exhalation and inspiration separation type mask for a department of respiration comprises a mask main body, an elastic band and a one-way valve, wherein an outer flange is installed at the outer edge of the mask main body, an air inlet connector is installed at the front end of the front face of the mask main body, a bent pipe is connected to the front end of the air inlet connector, a flow guide pipe is installed at the lower end of the bent pipe, a connecting pipe is connected to the lower end of the flow guide pipe, rotating shafts are installed on the left side and the right side of the mask main body, a pull ring is connected to the outer side of each rotating shaft, a connecting belt is installed on the rear side of each pull ring, a magic tape is arranged on the outer surface of each connecting belt, the elastic band is connected to the rear end of each connecting belt, a flow guide cover is arranged above the air inlet connector, a connecting ring is installed at the connecting position of the flow guide cover and the mask main body, the one-way valve is arranged inside the flow guide cover, an air outlet connector is connected to one end, and a rotating rod is installed at the middle position inside the one-way valve, and the both sides of bull stick are connected with the separation blade, the venthole has been seted up with the junction of face guard main part to the interface of giving vent to anger, and the inside intermediate position of face guard main part installs the baffle, one side that the face guard main part was kept away from to the baffle is connected with the spacer, and the top of baffle is provided with air outlet chamber, air inlet chamber has been seted up to the below of baffle.
Preferably, the inner surface of the outer flange is provided with a pad made of elastic silica gel, and the size of the pad is matched with that of the outer flange.
Preferably, the structure of the elbow is a bellows structure, the elbow is in threaded connection with the air inlet interface, and the elbow forms a communicating structure with the air inlet chamber through the air inlet interface.
Preferably, the outer surface of the connecting pipe is uniformly provided with convex rings, the shape structures of the convex rings are arc-shaped structures, and the connecting pipe is in a conical structure.
Preferably, the pull ring forms a rotating structure with the mask body through a rotating shaft, and the connecting band is connected with the pull ring in a winding manner.
Preferably, the elastic band structure is elastic structure, and the elastic band passes through the magic subsides and constitutes detachable construction between connecting band and the pull ring.
Preferably, the structure of the connecting ring is a hollow-out net structure, the air guide sleeve is communicated with the external environment through the connecting ring, and an enclosing structure is formed among the air guide sleeve, the one-way valve and the air outlet interface.
Preferably, the baffle plate and the one-way valve form a rotating structure in front of each other through the rotating rod, and the shape structure of the baffle plate is a semicircular structure.
Preferably, the appearance structure of shock insulator is the arc structure, and the material of shock insulator is elastic silica gel to the appearance structure of baffle is crescent structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the breathing department breathing and inspiration separation type mask is characterized in that the pasting pad can be separated between the outer flange and the skin of a user when the whole breathing mask is worn, so that the pasting degree of the whole breathing mask is enhanced by using the elastic action of the pasting pad, the possibility of air leakage is reduced, the wearing comfort is improved, and the pressure injury of the hard material of the outer flange to the skin is weakened;
2. the exhalation and inspiration separation type mask for the department of respiration is provided with the elbow and the air inlet interface which are connected through the screwing action of the threads, so that the elbow is convenient to disassemble, and meanwhile, the elbow is made of the corrugated pipe, so that the connection angle between the air inlet interface and the flow guide pipe can be adjusted, further, the whole mask is suitable for different use environments, and is more convenient and faster to use;
3. the breathing department breathing and inspiration separation type mask is provided with the connecting pipe, the connecting pipe is thin at one end and thick at the other end so as to be connected with oxygen therapy pipes with different thicknesses, the adaptability of the whole mask is effectively improved, the roughness of the surface of the connecting pipe can be effectively increased by the arranged convex ring, the stability of the connecting pipe when the connecting pipe is connected with the oxygen therapy pipes is improved, and the pull ring can rotate around the rotating shaft so as to adjust the angle of the pull ring relative to the mask main body and enable the pull ring to be more in line with the facial features of a user;
4. the breathing department breathing and inspiration separation type mask is provided with the connecting band which is sleeved outside the pull ring by using the bonding effect of the magic tape, so that the connecting band and the pull ring can be detached, the elastic band and the mask main body are prevented from being discarded together, the elastic band is recycled, certain resources are saved, the air can be guided by the guide cover, the air sucked into the guide cover becomes soft, the air pressure is small, and the guide cover cannot push the blocking piece to rotate enough, so that the blocking piece can be opened only in one direction during breathing;
5. this department of respiration is with breathing separation type face guard of breathing in sets up the material of separation blade lighter, and the bull stick rotates relatively and opens, and the person of facilitating the use exhales outwards, sets up the baffle and with inside being divided into of face guard main part and go out air chamber and air inlet chamber, and then separates user's expiration and inspiratory line, effectively avoids the user to inhale the repetition of the carbon dioxide of exhalation, and whole practicality is stronger, is suitable for popularization production and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the left side cross-sectional structure of the mask body of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure inside the dome of the present invention;
FIG. 4 is a schematic view of the connecting tube structure of the present invention;
fig. 5 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.
In the figure: 1. a mask body; 2. an outer flange; 3. an air inlet interface; 4. bending the pipe; 5. a flow guide pipe; 6. a connecting pipe; 7. a rotating shaft; 8. a pull ring; 9. a connecting belt; 10. magic tape; 11. an elastic band; 12. a pod; 13. a connecting ring; 14. a one-way valve; 15. an air outlet interface; 16. a rotating rod; 17. a baffle plate; 18. an air outlet; 19. a partition plate; 20. a spacer; 21. an air outlet chamber; 22. an air intake chamber; 23. pasting a cushion; 24. a convex ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an exhalation and inspiration separation type mask for a department of respiration comprises a mask main body 1, an outer flange 2, an air inlet connector 3, a bent pipe 4, a draft tube 5, a connecting pipe 6, a rotating shaft 7, a pull ring 8, a connecting belt 9, a magic tape 10, an elastic belt 11, a draft shield 12, a connecting ring 13, a one-way valve 14, an air outlet connector 15, a rotating rod 16, a baffle 17, an air outlet hole 18, a baffle plate 19, a spacer 20, an air outlet chamber 21, an air inlet chamber 22, a pad 23 and a convex ring 24, wherein the outer flange 2 is arranged on the outer edge of the mask main body 1, the air inlet connector 3 is arranged at the front end of the front surface of the mask main body 1, the bent pipe 4 is connected with the front end of the air inlet connector 3, the draft tube 5 is arranged at the lower end of the bent pipe 4, the connecting pipe 6 is connected with the lower end of the draft tube 5, the rotating shafts 7 are arranged on the left side and the right side of the mask main body 1, the outer side of the rotating shaft 7 is connected with the pull ring 8, the connecting belt 9 is arranged on the rear side of the pull ring 8, a magic tape 10 is arranged on the outer surface of the connecting band 9, an elastic band 11 is connected to the rear end of the connecting band 9, a flow guide cover 12 is arranged above the air inlet connector 3, a connecting ring 13 is arranged at the joint of the flow guide cover 12 and the mask main body 1, a one-way valve 14 is arranged inside the flow guide cover 12, an air outlet connector 15 is connected to one end, close to the mask main body 1, of the one-way valve 14, a rotating rod 16 is arranged in the middle of the inside of the one-way valve 14, blocking pieces 17 are connected to two sides of the rotating rod 16, an air outlet hole 18 is formed in the joint of the air outlet connector 15 and the mask main body 1, a partition plate 19 is arranged in the middle of the inside of the mask main body 1, a spacer 20 is connected to one side, away from the mask main body 1, an air outlet chamber 21 is arranged above the partition plate 19, and an air inlet chamber 22 is formed below the partition plate 19;
the inner surface of the outer flange 2 is provided with a pad 23, the pad 23 is made of elastic silica gel, the size of the pad 23 is matched with that of the outer flange 2, when the whole breathing mask is worn, the pad 23 can be separated between the outer flange 2 and the skin of a user, the elastic action of the pad 23 is utilized to enhance the fit degree of the whole breathing mask, the possibility of air leakage is reduced, the wearing comfort is improved, the pressure injury of the hard material of the outer flange 2 to the skin is weakened, the elbow 4 is of a corrugated pipe structure, the elbow 4 is in threaded connection with the air inlet interface 3, the elbow 4 forms a communication structure with the air inlet chamber 22 through the air inlet interface 3, the elbow 4 is connected with the air inlet interface 3 through the threaded screwing action, the elbow 4 is convenient to disassemble, and the elbow 4 is made of a corrugated pipe, so that the connection angle between the air inlet interface 3 and the draft tube 5 can be adjusted, the whole mask is suitable for different use environments, and is more convenient and faster to use;
the outer surface of the connecting pipe 6 is uniformly provided with convex rings 24, the appearance structure of the convex rings 24 is an arc structure, the structure of the connecting pipe 6 is a conical structure, one end of the connecting pipe 6 is thin, the other end of the connecting pipe is thick, so that the connecting pipe can be connected with oxygen therapy pipes with different thicknesses, the adaptability of the whole mask is effectively improved, the roughness of the surface of the connecting pipe 6 can be effectively increased by the arranged convex rings 24, the stability of the connecting pipe 6 and the oxygen therapy pipes in connection is improved, a rotating structure is formed between the pull ring 8 and the mask main body 1 through a rotating shaft 7, the connecting belt 9 and the pull ring 8 are connected in a winding manner, the pull ring 8 can rotate around the rotating shaft 7 so as to adjust the angle of the pull ring 8 relative to the mask main body 1, so that the angle of the pull ring 8 is more in line with the facial features of a user, the elastic belt 11 is of an elastic structure, and the elastic belt 11 forms a detachable structure with the pull ring 8 through a magic tape 10 and the connecting belt 9, the connecting band 9 is sleeved outside the pull ring 8 by using the bonding effect of the magic tape 10, so that the connecting band 9 and the pull ring 8 can be detached, the elastic band 11 and the mask main body 1 are prevented from being discarded together, the elastic band 11 is recycled, and certain resources are saved;
the structure of the connecting ring 13 is a hollow mesh structure, the air guide sleeve 12 is communicated with the external environment through the connecting ring 13, an enclosing structure is formed between the air guide sleeve 12 and the one-way valve 14 and the air outlet interface 15, the air guide sleeve 12 is arranged to guide air, so that the air sucked into the air guide sleeve 12 becomes soft, the air pressure is small, the air pressure is not enough to push the baffle 17 to rotate, so that the baffle 17 can be opened only in one direction during expiration, the baffle 17 forms a rotating structure through the rotating rod 16 and the one-way valve 14, the appearance structure of the baffle 17 is a semicircular structure, the material of the baffle 17 is light, the baffle 17 can be opened in a rotating mode relative to the rotating rod 16, a user can exhale outwards conveniently, the appearance structure of the spacer 20 is an arc-shaped structure, the material of the spacer 20 is elastic silica gel, the appearance structure of the spacer 19 is a crescent-shaped structure, the spacer 19 is arranged to divide the inside of the mask main body 1 into an air outlet chamber 21 and an air inlet chamber 22, and then separate user's expiration and inspiratory line, effectively avoid the user to the repeated inspiration of expired carbon dioxide, whole practicality is stronger, is suitable for popularization and production use.
The working principle is as follows: for the breathing department breathing and inhaling separation type mask, firstly, the connecting belt 9 penetrates through the pull ring 8, then the connecting belt 9 is folded back to enable the magic tape 10 to be adhered together, so that the connecting belt 9 and the pull ring 8 are installed together, then the mask main body 1 is covered on the front side of the mouth and nose of a user, so that the outer flange 2 is attached to the face of the user, the attaching pad 23 is contacted with the skin of the user to prevent the outer flange 2 from being directly pressed on the skin, meanwhile, the partition plate 19 separates the nose and the mouth, the partition pad 20 is contacted with the skin of the user, then the elastic belt 11 is sleeved on the back of the brain, the elastic belt 11 pulls the pull ring 8 through the connecting belt 9, so that the pull ring 8 rotates by a certain angle around the rotating shaft 7, at the moment, the nose of the user is positioned in the air outlet chamber 21, and the mouth is positioned in the air inlet chamber 22;
then the draft tube 5 is pulled, the draft tube 5 drives the bent tube 4 to bend, so that the angle between the draft tube 5 and the air inlet interface 3 is adjusted, then the oxygen delivery tube is sleeved outside the connecting tube 6, the convex ring 24 is tightly attached to the inner wall of the oxygen delivery tube for fixing, at the moment, the breathing machine delivers oxygen to the inside of the connecting tube 6 through the oxygen delivery tube, the oxygen enters the inside of the draft tube 5 through the connecting tube 6 and then enters the inside of the bent tube 4 through the draft tube 5, the oxygen inside the bent tube 4 enters the inside of the air inlet chamber 22 through the air inlet interface 3 and is inhaled by the mouth of a user, at the same time, the gas exhaled by the nose of the user enters the inside of the air outlet interface 15 through the air outlet hole 18 and acts on the inner side of the baffle 17, the air pressure pushes the baffle 17 to rotate around the rotating rod 16 to open the one-way valve 14, at the moment, the gas enters the inside of the draft shield 12 through the one-way valve 14 and finally is discharged through the connecting ring 13, the whole breathing department breathing separated mask using process is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a department of respiration is with separation type face guard of breathing in expiration, includes mask body (1), elastic band (11) and check valve (14), its characterized in that: the outer flange (2) is installed to the outward flange of face guard main part (1), and face guard main part's (1) front end installs interface (3) that admits air, the front end of interface (3) that admits air is connected with return bend (4), and the lower extreme of return bend (4) installs honeycomb duct (5), the lower extreme of honeycomb duct (5) is connected with connecting pipe (6), pivot (7) are all installed to the left and right sides of face guard main part (1), and the outside of pivot (7) is connected with pull ring (8), connecting band (9) are installed to the rear side of pull ring (8), and the surface of connecting band (9) is provided with magic subsides (10), elastic band (11) are connected in the rear end of connecting band (9), the top of interface (3) that admits air is provided with kuppe (12), and kuppe (12) and face guard main part's (1) junction install go-between (13), the mask is characterized in that the one-way valve (14) is arranged inside the air guide sleeve (12), one end, close to the mask main body (1), of the one-way valve (14) is connected with an air outlet interface (15), a rotating rod (16) is installed at the middle position inside the one-way valve (14), the two sides of the rotating rod (16) are connected with blocking pieces (17), an air outlet hole (18) is formed in the joint of the air outlet interface (15) and the mask main body (1), a partition plate (19) is installed at the middle position inside the mask main body (1), one side, far away from the mask main body (1), of the partition plate (19) is connected with a spacer (20), an air outlet chamber (21) is formed above the partition plate (19), and an air inlet chamber (22) is formed below the partition plate (19).
2. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the internal surface mounting of outer flange (2) has subsides pad (23), and pastes the material of pad (23) and be elastic silica gel to paste the size of pad (23) and the size of outer flange (2) and form a complete set each other.
3. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the structure of return bend (4) is the bellows type structure, and is threaded connection between return bend (4) and air inlet interface (3), and return bend (4) constitute the intercommunication structure through between air inlet interface (3) and air inlet chamber (22).
4. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the outer surface of the connecting pipe (6) is uniformly provided with convex rings (24), the appearance structure of each convex ring (24) is an arc-shaped structure, and the structure of the connecting pipe (6) is a conical structure.
5. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the pull ring (8) forms a rotating structure with the mask main body (1) through the rotating shaft (7), and the connecting belt (9) is connected with the pull ring (8) in a winding manner.
6. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the elastic band (11) is of an elastic structure, and the elastic band (11) forms a detachable structure between the magic tape (10), the connecting band (9) and the pull ring (8).
7. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the structure of the connecting ring (13) is a hollow mesh structure, the air guide sleeve (12) is communicated with the external environment through the connecting ring (13), and an enclosing structure is formed among the air guide sleeve (12), the one-way valve (14) and the air outlet interface (15).
8. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the baffle plate (17) and the one-way valve (14) form a rotating structure in front of each other through the rotating rod (16), and the appearance structure of the baffle plate (17) is a semicircular structure.
9. The respiratory exhalation-inhalation separation mask as claimed in claim 1, wherein: the appearance structure of shock insulator (20) is the arc structure, and the material of shock insulator (20) is elastic silica gel to the appearance structure of baffle (19) is crescent structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022915094.9U CN214260302U (en) | 2020-12-08 | 2020-12-08 | Department of respiration is with breathing out separation type face guard of breathing in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022915094.9U CN214260302U (en) | 2020-12-08 | 2020-12-08 | Department of respiration is with breathing out separation type face guard of breathing in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214260302U true CN214260302U (en) | 2021-09-24 |
Family
ID=77779566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022915094.9U Expired - Fee Related CN214260302U (en) | 2020-12-08 | 2020-12-08 | Department of respiration is with breathing out separation type face guard of breathing in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214260302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082065A (en) * | 2021-12-16 | 2022-02-25 | 广东优博瑞科技有限公司 | Hydrogen absorption machine with air purification function |
-
2020
- 2020-12-08 CN CN202022915094.9U patent/CN214260302U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082065A (en) * | 2021-12-16 | 2022-02-25 | 广东优博瑞科技有限公司 | Hydrogen absorption machine with air purification function |
| CN114082065B (en) * | 2021-12-16 | 2024-04-26 | 广东优博瑞科技有限公司 | Hydrogen absorption machine with air purification function |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |