CN209744046U - Oxygen cylinder humidifying device with noise reduction function - Google Patents
Oxygen cylinder humidifying device with noise reduction function Download PDFInfo
- Publication number
- CN209744046U CN209744046U CN201920369318.5U CN201920369318U CN209744046U CN 209744046 U CN209744046 U CN 209744046U CN 201920369318 U CN201920369318 U CN 201920369318U CN 209744046 U CN209744046 U CN 209744046U
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- China
- Prior art keywords
- oxygen
- humidifying
- sealing
- fixed
- humidifying bottle
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- Expired - Fee Related
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000001301 oxygen Substances 0.000 title claims abstract description 100
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 100
- 230000009467 reduction Effects 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000013312 nursing technique Methods 0.000 description 1
- 238000002640 oxygen therapy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses an oxygen cylinder humidifying device with noise reduction function, which comprises an oxygen connecting piece, wherein a humidifying cylinder body is arranged and connected at the lower side of the oxygen connecting piece, a noise reduction mechanism is arranged at the bottom end of the humidifying cylinder body, and the noise reduction mechanism comprises a humidifying cylinder air inlet pipe, an oxygen outlet pipe joint, a sealing cover, a sealing bulge, a movable hole, a rubber sealing ring, a double-layer sound insulation bag, a rubber elastic belt, sound insulation cotton and a fixed clamping groove; the utility model discloses a through the inside noise cancelling effect of the soundproof cotton who fills of double-deck sound-proof bag, can reduce the noise that the inside oxygen bubble of humidifying bottle bursts and produces, improve patient's rest quality, and double-deck sound-proof bag passes through the elasticity of rubber elastic webbing and increases the steadiness of double-deck sound-proof bag at humidifying bottle surface, the surface of sealed lid is provided with anti-skidding line, the sealed lid of being convenient for closes soon and fixes the surface at sealing joint, make things convenient for humidifying bottle outer dismantlement renewal and labour saving and time saving.
Description
Technical Field
the utility model belongs to the technical field of the oxygen cylinder humidifying device, concretely relates to oxygen cylinder humidifying device with noise reduction function.
Background
The oxygen humidification is one of the most common nursing techniques and rescue treatment means clinically during oxygen therapy, is a recovery device and ward nursing consumable material, is mainly used for a medical center oxygen supply system, can supply oxygen for medical units for first aid and oxygen inhalation for anoxic patients, and has the main function of humidifying and moistening dry oxygen.
The noise that inside oxygen bubble broke open and produced when current humidifying bottle used is great, reduces indoor silence effect, influences patient's rest quality and inconvenient when changing new humidifying bottle, increases medical personnel's working strength's problem, for this reason we provide an oxygen bottle humidifying device with noise reduction function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oxygen cylinder humidifying device with noise reduction function to the noise that inside oxygen bubble broke open when proposing current humidifying bottle and use among the solution above-mentioned background is great, reduces indoor silence effect, and is inconvenient when influencing patient's rest quality and changing new humidifying bottle, increases medical personnel's working strength's problem.
In order to achieve the above object, the utility model provides a following technical scheme: an oxygen bottle humidifying device with a noise reduction function comprises an oxygen connecting piece, wherein a humidifying bottle body is fixedly installed on the lower side of the oxygen connecting piece, a humidifying bottle cap is fixedly installed on the humidifying bottle body, a humidifying air outlet pipe is fixedly installed on the side surface of the humidifying bottle cap, the interior of the humidifying air outlet pipe is communicated with the interior of the humidifying bottle body, an oxygen supply connecting pipe is fixedly installed at the bottom of the side surface of the oxygen connecting piece, a noise reduction mechanism is arranged at the bottom end of the humidifying bottle body and comprises a humidifying bottle air inlet pipe, an oxygen outlet pipe joint, a sealing cover, a sealing bulge, a movable hole, a rubber sealing ring, a double-layer sound-proof bag, a rubber elastic belt, sound-proof cotton and a fixed clamping groove, the bottom end of the humidifying bottle body is placed inside the fixed clamping groove, the fixed clamping groove is formed in the upper surface of the double-layer sound-proof bag, and, the rubber elastic belt is fixedly arranged at the top end of the double-layer sound-proof bag and sleeved on the surface of the humidifying bottle body, the oxygen outlet pipe joint is fixedly arranged at the bottom end of the oxygen connecting piece and communicated with the inside of the oxygen connecting piece, the oxygen outlet pipe joint is screwed and fixed at the top end of the humidifying bottle air inlet pipe through the sealing cover and the sealing joint, the humidifying bottle air inlet pipe is fixedly arranged on the upper surface of the humidifying bottle cap and communicated with the inside of the humidifying bottle body, the outer surface of the sealing joint is provided with external threads, the sealing joint is fixedly arranged at the fixed end of the humidifying bottle air inlet pipe and placed inside the sealing cover, the inner surface of the sealing cover is provided with internal threads and screwed and matched with the outer surface of the sealing joint, the sealing cover is sleeved on the surface of the oxygen outlet pipe joint through a movable hole, and the movable hole is, the bottom that goes out oxygen coupling is fixed in the installation of sealed arch and is placed in sealed coupling, rubber seal cover is established on sealed bellied surface and is placed in sealed coupling's inside, the surface of sealed lid is provided with anti-skidding line, the surface edge of humidifying gas outlet pipe is provided with sealing mechanism.
Preferably, sealing mechanism includes rubber seal ring, annular seal groove, fixed bulge and fixed slot, the side other end that the side of humidifying bottle lid is connected at humidifying bottle outlet pipe is connected with the nose oxygen pipe to the one end of humidifying bottle outlet pipe, rubber seal ring erection sleeve is established at humidifying bottle outlet pipe's surface edge and is placed in the inside of annular seal groove, the surface border position at humidifying bottle outlet pipe is seted up to annular seal groove, the internal surface at rubber seal ring is fixed in the installation of fixed bulge symmetry and is placed in the inside of fixed slot, the fixed slot symmetry is seted up at the internal surface of annular seal groove and is fixed with fixed bulge phase-match block.
Preferably, a pressure gauge is fixedly arranged in the middle of the upper surface of the oxygen supply connecting pipe, and a pointer is arranged inside the pressure gauge.
Preferably, one side of the oxygen connecting piece is connected with an oxygen adjusting knob, the other side of the oxygen adjusting knob is connected with an oxygen supply connecting pipe, and the outer surface of the oxygen adjusting knob is provided with anti-skid lines.
Preferably, a safety valve is arranged on the upper surface of the bottle cap of the humidification bottle, and a sealing piston is arranged in the safety valve.
preferably, the periphery of the outer surface of the bottle cap of the humidification bottle is provided with anti-skidding bulges, and the top of the inner surface of the bottle body of the humidification bottle is fixedly provided with a sealing gasket.
compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model can reduce the noise generated by the burst of oxygen bubbles inside the humidification bottle body and improve the rest quality of patients by the silencing effect of the soundproof cotton filled inside the double-layer soundproof bag (as shown in figure 1 and figure 6), and the double-layer soundproof bag can increase the stability of the double-layer soundproof bag on the outer surface of the humidification bottle body by the elasticity of the rubber elastic belt, the outer surface of the sealing cover is provided with anti-skid lines which are helpful for increasing the friction force of the outer surface of the sealing cover and facilitating the holding and rotation of medical personnel (as shown in figure 2 and figure 3), the sealing cover is convenient to be screwed and fixed on the surface of the sealing joint, the speed of connecting the air inlet pipe of the humidification bottle and the oxygen outlet pipe joint is improved, the oxygen connecting piece is convenient to be installed and fixed on the upper side of the humidification bottle body, and simultaneously the humidification bottle body is convenient to, the workload of the medical staff is reduced, and the working efficiency of the medical staff is improved.
(2) The utility model discloses a fixed protruding symmetry installation is fixed at the internal surface of rubber seal ring and is placed in the inside of fixed slot, make things convenient for rubber seal ring erection sleeve to establish on the surface of humidifying outlet pipe and place rubber seal ring at the surface circumference drunkenness (as figure 4 and figure 5) of humidifying outlet pipe, make things convenient for a nose oxygen pipe pot head to establish on the surface of humidifying outlet pipe, pass through the elastic sealing nature of rubber seal ring simultaneously, improve the sealed effect that humidifying outlet pipe and nose oxygen union coupling, effectively avoided the inside comdenstion water of humidifying bottle to drip from the nose oxygen pipe.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is an enlarged cross-sectional view of the area a in fig. 1 according to the present invention;
Fig. 3 is a schematic side view of the sealing cover of the present invention;
FIG. 4 is a schematic view of a partial top view of the humidifying air outlet pipe of the present invention;
Fig. 5 is an enlarged cross-sectional view of the area B in fig. 4 according to the present invention;
Fig. 6 is a schematic top view of the cross-sectional structure of the double-layered sound-proof bag of the present invention;
In the figure: 1. a pressure gauge; 2. an oxygen connector; 3. an oxygen adjusting knob; 4. a safety valve; 5. a humidifying bottle cap; 6. humidifying the air outlet pipe; 7. a humidifying bottle body; 8. anti-skid projections; 9. an air inlet pipe of the humidification bottle; 10. an oxygen outlet pipe joint; 11. an oxygen supply connecting pipe; 12. sealing the joint; 13. a sealing cover; 14. sealing the protrusion; 15. a movable hole; 16. a rubber seal ring; 17. a rubber seal grommet; 18. an annular seal groove; 19. a fixed protrusion; 20. fixing grooves; 21. a double-layer sound-insulating bag; 22. a rubber elastic band; 23. sound insulation cotton; 24. and fixing the clamping groove.
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, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: an oxygen bottle humidifying device with a noise reduction function comprises an oxygen connecting piece 2, a humidifying bottle body 7 is fixedly installed on the lower side of the oxygen connecting piece 2, a humidifying bottle cap 5 is fixedly installed on the humidifying bottle body 7, a humidifying air outlet pipe 6 is fixedly installed on the side face of the humidifying bottle cap 5, the interior of the humidifying air outlet pipe 6 is communicated with the interior of the humidifying bottle body 7, an oxygen supply connecting pipe 11 is fixedly installed on the bottom of the side face of the oxygen connecting piece 2, a noise reduction mechanism is arranged at the bottom end of the humidifying bottle body 7 and comprises a humidifying bottle air inlet pipe 9, an oxygen outlet pipe connector 10, a sealing connector 12, a sealing cover 13, a sealing bulge 14, a movable hole 15, a rubber sealing ring 16, a double-layer sound-proof bag 21, a rubber elastic belt 22, sound-proof cotton 23 and a fixed clamping groove 24, the bottom end of the humidifying bottle body 7 is placed in the fixed clamping groove 24, the fixed clamping groove 24, the double-layer sound-proof bag 21 is internally filled with sound-proof cotton 23, the rubber elastic belt 22 is fixedly installed at the top end of the double-layer sound-proof bag 21 and sleeved on the surface of the humidification bottle body 7, the noise reduction effect of the sound-proof cotton 23 filled in the double-layer sound-proof bag 21 can reduce the noise generated by the burst of oxygen bubbles in the humidification bottle body 7, the rest quality of a patient is improved, the double-layer sound-proof bag 21 can increase the stability of the double-layer sound-proof bag 21 on the outer surface of the humidification bottle body 7 through the elasticity of the rubber elastic belt 22, the oxygen outlet pipe joint 10 is fixedly installed at the bottom end of the oxygen connecting piece 2 and communicated with the inside of the oxygen connecting piece 2, the oxygen outlet pipe joint 10 is fixedly screwed with the sealing joint 12 at the top end of the humidification bottle air inlet pipe 9 through the sealing cover 13, the humidification bottle inlet pipe 9 is fixedly installed on, the sealing joint 12 is fixedly arranged at the fixed end of the humidifying bottle air inlet pipe 9 and is placed in the sealing cover 13, the inner surface of the sealing cover 13 is provided with internal threads and is matched and screwed with the outer surface of the sealing joint 12, the sealing cover 13 is sleeved on the surface of the oxygen outlet pipe joint 10 through the movable hole 15, the movable hole 15 is arranged on the upper surface of the sealing cover 13 and is communicated with the inside of the sealing cover 13, the sealing bulge 14 is fixedly arranged at the bottom end of the oxygen outlet pipe joint 10 and is placed in the sealing joint 12, the rubber sealing ring 16 is sleeved on the surface of the sealing bulge 14 and is placed in the sealing joint 12, the outer surface of the sealing cover 13 is provided with anti-slip threads, the friction force of the outer surface of the sealing cover 13 is increased, the medical staff can conveniently hold and rotate, the sealing cover 13 is conveniently screwed and fixed on the surface of the sealing joint, make things convenient for the installation of oxygen connecting piece 2 to fix at the upside of humidifying bottle 7, make things convenient for humidifying bottle 7 to dismantle the separation and reduce the dismantlement time and save strength simultaneously, make things convenient for humidifying bottle 7 to dismantle the humidifying bottle of renewal, reduced medical personnel's work load and improved medical personnel's work efficiency, the surperficial edge of humidifying outlet pipe 6 is provided with sealing mechanism.
In the embodiment, preferably, the sealing mechanism comprises a rubber sealing gasket ring 17, an annular sealing groove 18, a fixing protrusion 19 and a fixing groove 20, one end of the humidification air outlet pipe 6 is connected to the side surface of the humidification bottle cap 5, the other end of the humidification air outlet pipe is connected to a nasal oxygen pipe, the rubber sealing gasket ring 17 is installed and sleeved on the surface edge of the humidification air outlet pipe 6 and is placed inside the annular sealing groove 18, the annular sealing groove 18 is arranged at the outer surface edge of the humidification air outlet pipe 6, the fixing protrusions 19 are symmetrically installed and fixed on the inner surface of the rubber sealing gasket ring 17 and are placed inside the fixing groove 20, the fixing groove 20 is symmetrically arranged on the inner surface of the annular sealing groove 18 and is matched and clamped and fixed with the fixing protrusion 19, so that the rubber sealing gasket ring 17 is installed and sleeved on the surface of the humidification air outlet pipe 6 and is placed on the outer, make things convenient for a nasal oxygen tube pot head to establish on the surface of humidifying outlet pipe 6, simultaneously through the elastic sealing nature of rubber seal backing ring 17, improve the sealed effect that humidifying outlet pipe 6 and nasal oxygen tube are connected, effectively avoided the inside comdenstion water of humidifying bottle 7 to drip from the nasal oxygen tube.
In this embodiment, preferably, a pressure gauge 1 is installed and fixed at the middle position of the upper surface of the oxygen supply connecting pipe 11, and a pointer is arranged inside the pressure gauge 1, so that a user can conveniently observe the pressure gauge 1 and timely perform the next operation on the oxygen connecting piece 2.
in this embodiment, preferably, one side of the oxygen connector 2 is connected with the oxygen adjusting knob 3, and the other side of the oxygen adjusting knob is connected with the oxygen supply connecting pipe 11, and the outer surface of the oxygen adjusting knob 3 is provided with anti-slip lines, so that the medical staff can rotate the oxygen adjusting knob 3 and prevent slipping.
In this embodiment, preferably, the safety valve 4 is installed on the upper surface of the bottle cap 5 of the humidification bottle, and the sealing piston is installed inside the safety valve 4, so that the internal pressure of the bottle body 7 of the humidification bottle can be released in time when the internal pressure is too high.
in this embodiment, preferably, the anti-slip protrusions 8 are arranged around the outer surface of the bottle cap 5 of the humidification bottle, and the sealing gasket is fixedly mounted on the top of the inner surface of the bottle body 7 of the humidification bottle, which is helpful for increasing the sealing effect of the bottle body 7 of the humidification bottle.
The utility model discloses a theory of operation and use flow: when the utility model is used, the rubber sealing gasket ring 17 is firstly sleeved on the surface of the humidification air outlet pipe 6 and is placed inside the annular sealing groove 18, then the rubber sealing gasket ring 17 is extruded to ensure that the fixing bulge 19 is clamped and fixed with the fixing groove 20, then the humidification air outlet pipe 6 is connected with the nasal oxygen tube, then the rubber sealing ring 16 is sleeved on the outer surface of the sealing bulge 14, the sealing bulge 14 is inserted into the sealing joint 12, then the sealing cover 13 is rotated clockwise to lead the sealing cover 13 to be screwed and fixed with the outer surface of the sealing joint 12, then one end of the oxygen supply connecting pipe 11 is connected with the oxygen bottle, then the bottom end of the humidifying bottle body 7 is placed inside the double-layer sound-insulating bag 21, the rubber elastic belt 22 is sleeved on the top of the outer surface of the humidifying bottle body 7, the noise generated by the humidifying bottle body 7 when in use can be reduced through the soundproof cotton 23, and the utility model can be used after the installation is finished.
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 (6)
1. The utility model provides an oxygen cylinder humidifying device with noise reduction function, includes oxygen connecting piece (2), the downside erection joint of oxygen connecting piece (2) has humidifying bottle (7), the installation of humidifying bottle (7) is fixed with humidifying bottle lid (5), the side-mounting of humidifying bottle lid (5) is fixed with humidifying outlet pipe (6), the inside of humidifying outlet pipe (6) and the inside intercommunication of humidifying bottle (7), the side bottom installation of oxygen connecting piece (2) is fixed with oxygen suppliment connecting pipe (11), its characterized in that: the bottom end of the humidifying bottle body (7) is provided with a noise reduction mechanism, the noise reduction mechanism comprises a humidifying bottle air inlet pipe (9), an oxygen outlet pipe joint (10), a sealing joint (12), a sealing cover (13), a sealing bulge (14), a movable hole (15), a rubber sealing ring (16), a double-layer sound insulation bag (21), a rubber elastic belt (22), sound insulation cotton (23) and a fixed clamping groove (24), the bottom end of the humidifying bottle body (7) is placed in the fixed clamping groove (24), the fixed clamping groove (24) is arranged on the upper surface of the double-layer sound insulation bag (21), the sound insulation cotton (23) is filled in the double-layer sound insulation bag (21), the rubber elastic belt (22) is fixedly arranged at the top end of the double-layer sound insulation bag (21) and sleeved on the surface of the humidifying bottle body (7), the oxygen outlet pipe joint (10) is fixedly arranged at the bottom end of the oxygen connecting piece (2) and communicated with the inside of the, go out oxygen pipe head (10) and close soon through sealed lid (13) and sealing joint (12) and fix the top at humidifying bottle intake pipe (9), humidifying bottle intake pipe (9) installation is fixed at the upper surface of humidifying bottle lid (5) and communicate with the inside of humidifying bottle body (7), the surface of sealing joint (12) is provided with the external screw thread, sealing joint (12) installation is fixed and is held and place the inside at sealed lid (13) at humidifying bottle intake pipe (9), the internal surface of sealed lid (13) is provided with the internal thread and closes soon with the surface phase-match of sealing joint (12), the surface of oxygen pipe head (10) is established through activity hole (15) cover in sealed lid (13), activity hole (15) are seted up at the upper surface of sealed lid (13) and are communicated with the inside of sealed lid (13), sealed protruding (14) installation is fixed in the bottom of oxygen pipe head (10) and is placed in sealing joint (12) in the bottom of oxygen pipe head (10) The part, rubber seal (16) cover is established on the surface of sealed arch (14) and is placed in the inside of sealing joint (12), the surface of sealed lid (13) is provided with anti-skidding line, the surperficial edge of humidifying outlet pipe (6) is provided with sealing mechanism.
2. the oxygen cylinder humidifying device with noise reduction function as claimed in claim 1, wherein: sealing mechanism includes rubber seal ring (17), annular seal groove (18), fixed arch (19) and fixed slot (20), the side other end of humidifying bottle lid (5) is connected with nose oxygen pipe to the one end of humidifying outlet pipe (6), rubber seal ring (17) erection sleeve is established at the surperficial edge of humidifying outlet pipe (6) and is placed in the inside at annular seal groove (18), the surface border position at humidifying outlet pipe (6) is seted up in annular seal groove (18), fixed arch (19) symmetry installation is fixed at the internal surface of rubber seal ring (17) and is placed in the inside of fixed slot (20), fixed slot (20) symmetry is seted up at the internal surface of annular seal groove (18) and is fixed with fixed arch (19) phase-match block.
3. The oxygen cylinder humidifying device with noise reduction function as claimed in claim 1, wherein: the oxygen supply connecting pipe is characterized in that a pressure gauge (1) is fixedly arranged in the middle of the upper surface of the oxygen supply connecting pipe (11), and a pointer is arranged inside the pressure gauge (1).
4. The oxygen cylinder humidifying device with noise reduction function as claimed in claim 1, wherein: one side erection joint of oxygen connecting piece (2) has oxygen adjust knob (3) opposite side to be connected with oxygen suppliment connecting pipe (11), the surface of oxygen adjust knob (3) is provided with anti-skidding line.
5. the oxygen cylinder humidifying device with noise reduction function as claimed in claim 1, wherein: the upper surface mounting of humidification bottle lid (5) is provided with relief valve (4), the internally mounted of relief valve (4) has sealed piston.
6. The oxygen cylinder humidifying device with noise reduction function as claimed in claim 1, wherein: the anti-skidding type humidifying bottle is characterized in that anti-skidding protrusions (8) are arranged on the periphery of the outer surface of the humidifying bottle cap (5), and a sealing gasket is fixedly mounted on the top of the inner surface of the humidifying bottle body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369318.5U CN209744046U (en) | 2019-03-22 | 2019-03-22 | Oxygen cylinder humidifying device with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369318.5U CN209744046U (en) | 2019-03-22 | 2019-03-22 | Oxygen cylinder humidifying device with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209744046U true CN209744046U (en) | 2019-12-06 |
Family
ID=68717890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920369318.5U Expired - Fee Related CN209744046U (en) | 2019-03-22 | 2019-03-22 | Oxygen cylinder humidifying device with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209744046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342471A (en) * | 2022-08-29 | 2022-11-15 | 湖州博电网络科技有限公司 | Intelligent indoor oxygenating device for building |
-
2019
- 2019-03-22 CN CN201920369318.5U patent/CN209744046U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342471A (en) * | 2022-08-29 | 2022-11-15 | 湖州博电网络科技有限公司 | Intelligent indoor oxygenating device for building |
| CN115342471B (en) * | 2022-08-29 | 2023-08-11 | 福建省绿润康成环境科技股份有限公司 | Intelligent indoor oxygen supplementing device for building |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |