CN206350858U - Air guide tube assembly, device for storing liquid, humidifier and lung ventilator - Google Patents
Air guide tube assembly, device for storing liquid, humidifier and lung ventilator Download PDFInfo
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- CN206350858U CN206350858U CN201621019872.3U CN201621019872U CN206350858U CN 206350858 U CN206350858 U CN 206350858U CN 201621019872 U CN201621019872 U CN 201621019872U CN 206350858 U CN206350858 U CN 206350858U
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Abstract
A kind of air guide tube assembly, device for storing liquid, humidifier and lung ventilator, the air guide tube assembly, including：Outtake tube, the outtake tube has air inlet port and air outlet；And guiding tube, the guiding tube is with the connected entrance being connected with the air inlet port of the outtake tube and the multiple gas backstreaming ports being connected with the connected entrance.The air guide tube assembly is arranged in the liquid storage cylinder of humidifier in use, and the air outlet of the outtake tube of air guide tube assembly is communicated to the gas outlet of liquid storage cylinder, can solve to a certain extent patient caused by the overflow of gas outlet choke water the problem of.
Description
Technical field
The utility model is related to respiratory therapy field, more particularly to a kind of air guide of the humidifier for lung ventilator
Tube assembly, the device for storing liquid with the air guide tube assembly, the humidifier with the device for storing liquid and exhaling with the humidifier
Suction machine.
Background technology
At present, it is treatment sleep apnea syndrome (such as order of severity using the continuous positive airway of lung ventilator
Snoring) etc. disease Main Means.Humidification machine is the important component of lung ventilator, and it is heating, humidified air, increasing that it, which is acted on,
Plus water loading of the air, make that the gas in patient's suction body is warm, moistening, reduce cold dry gas to respiratory mucosa
Stimulation, improve patient comfort level.
Humidifier generally includes water tank and heating element heater.Heat is conducted the water in feed-tank to accelerate water steaming by heating element heater
Hair, so that the air for exporting suitable temperature and humidity is supplied to patient.But, some patientss have mobile humidification in use
The demand of device, the water in moving process in water tank is likely to overflow into from the gas outlet of water tank, and the water of spilling is likely to logical
Appendix is crossed into breathing mask, causing patient to choke water.
Therefore, it is necessary to provide a kind of air guide tube assembly of the humidifier for lung ventilator, with the air guide tube assembly
Device for storing liquid, the humidifier with the device for storing liquid and the lung ventilator with the humidifier, to solve outlet at least in part
The problem of mouth overflow is brought.
Utility model content
In order to solve the problem of gas outlet overflow is brought present in existing humidifier at least in part, the utility model is carried
For a kind of air guide tube assembly for humidifier, including：Outtake tube, the outtake tube has air inlet port and outlet side
Mouthful；And guiding tube, the guiding tube have the connected entrance that is connected with the air inlet port of the outtake tube and with the company
Multiple gas backstreaming ports that port is connected.
Preferably, the port of the air guide tube assembly includes air inlet port and air outlet and the institute of the outtake tube
Multiple gas backstreaming ports are stated, wherein in a first direction, in the air inlet port and air outlet of the outtake tube at least
One equal to or higher than other ports in the port.
Preferably, in a first direction, the connected entrance of the guiding tube is higher than the gas backstreaming port, and/or
The air inlet port of the outtake tube is less than the air outlet of the outtake tube.
Preferably, the guiding tube is the straight catheter with two gas backstreaming ports.
Preferably, the air guide tube assembly also includes：Air induction conduit, the air induction conduit has air inlet port and outlet side
Mouthful, in a first direction, the air inlet port of the air induction conduit is higher than the air outlet of the air induction conduit.
Preferably, the air outlet of the air induction conduit is located at the lower section of the guiding tube, and the air induction conduit goes out
Open Side Down for gas port.
Preferably, the air guide tube assembly also includes connector, and the connector is by the air outlet of the outtake tube
It is fixed together with the air inlet port of the air induction conduit, the connector is additionally operable to the air guide tube assembly being connected to described
On the liquid storage cylinder of humidifier.
Preferably, muscle is provided with the guiding tube, the muscle is arranged on the bottom of the stream in the guiding tube,
The muscle is used for the bottom stream for separating the guiding tube.
Preferably, the muscle is arranged at the connected entrance of the guiding tube.
According to another aspect of the present utility model, a kind of device for storing liquid for humidifier is also provided, including：Housing group
Liquid storage cylinder is formed with part, the housing unit, the liquid storage cylinder has air inlet and gas outlet；It is any as described above to lead
Tracheae component, the air guide tube assembly is arranged in the liquid storage cylinder and is connected to the housing unit, the air guide tube assembly
The air outlet of outtake tube be connected with the gas outlet, and the air guide tube assembly gas backstreaming port higher than described
The highest of liquid storage cylinder can filling level.
Preferably, the housing unit includes upper housing component, lower house component and positioned at sealing ring between the two,
The inner peripheral of the sealing ring is extend into the liquid storage cylinder, and the guiding tube the gas backstreaming port be located at it is described close
The surface of the part extending into the liquid storage cylinder of seal.
According to another further aspect of the present utility model, a kind of humidifier is also provided, it is characterised in that the humidifier includes adding
Thermal element and any device for storing liquid as described above, wherein, the heating element heater is located at the liquid storage of the device for storing liquid
Below chamber.
According to another aspect of the present utility model, a kind of lung ventilator is also provided, the lung ventilator includes as described above appoint
A kind of humidifier.
The air guide tube assembly that the utility model is provided can be arranged in the liquid storage cylinder of humidifier, and makes air guide tube assembly
The air outlet of outtake tube be communicated to the gas outlet of liquid storage cylinder.Due to the air inlet port of the outtake tube of the air guide tube assembly
Guiding tube is connected with, the air inlet port air inlet of outtake tube is guided by guiding tube；And guiding tube has multiple gas backstreaming ends
Mouthful, cause liquid to be flowed into from a gas backstreaming port accordingly even when liquid storage cylinder is rocked, also can be from other gas backstreaming port flows
Go out, so as to reduce liquid into the possibility of the air inlet port of outtake tube.Further, since outtake tube and guiding tube are deposited
The path that gas flows in liquid storage cylinder is being extended, therefore, it is possible to make gas be sufficiently mixed with the steam after evaporation, and then is being made
The gas of outflow has desired humidity and temperature.
A series of concept of reduced forms is introduced in utility model content, this will enter in embodiment part
One step is described in detail.The utility model content part is not meant to the pass for attempting to limit technical scheme claimed
Key feature and essential features, the protection domain for attempting to determine technical scheme claimed is not meant that more.
Below in conjunction with accompanying drawing, advantages and features of the present utility model are described in detail.
Brief description of the drawings
Drawings below of the present utility model is used to understand the utility model in this as a part of the present utility model.Accompanying drawing
In show embodiment of the present utility model and its description, for explaining principle of the present utility model.In the accompanying drawings,
Fig. 1 is the stereogram of the device for storing liquid according to the utility model one embodiment；
Fig. 2 is the top view of the device for storing liquid shown in Fig. 1；
Fig. 3 A is, along the sectional view of the device for storing liquid cut of the line A-A in Fig. 2, it illustrates inlet chamber and its air inlet；
Fig. 3 B is, along the sectional view of the device for storing liquid cut of the line B-B in Fig. 2, it illustrates outlet chamber and its gas outlet；
Fig. 4 is the exploded view of the device for storing liquid according to the utility model one embodiment；
Fig. 5 is the stereogram observed from below according to the upper housing component of the utility model one embodiment；
Fig. 6 is the stereogram of the lower house component according to the utility model one embodiment；
Fig. 7 is the stereogram of the air guide tube assembly according to the utility model one embodiment, wherein the air guide tube assembly quilt
Partly cut-away is to show the internal structure of air guide tube assembly；
Fig. 8 is, along the sectional view of the device for storing liquid cut of the line C-C in Fig. 3 B, it illustrates guiding tube；And
Fig. 9 is along the stereogram of the device for storing liquid cut of the line C-C in Fig. 3 B.
Embodiment
In the following description there is provided substantial amounts of details so as to thoroughly understand the utility model.However, ability
Field technique personnel will be seen that, described below exemplarily only to show preferred embodiment of the present utility model, the utility model
It can be carried out without one or more such details.In addition, in order to avoid obscuring with the utility model, for
Some technical characteristics well known in the art are not described in detail.
According to one side of the present utility model there is provided a kind of air guide tube assembly for humidifier and with the airway tube
The device for storing liquid of component.Fig. 1-9 shows each portion that the entirety and device for storing liquid of device for storing liquid are included from all angles
Part or part, such as air guide tube assembly, upper shell and lower house.In order to understand these parts or part in device for storing liquid
Position and role, first to device for storing liquid carry out globality description, thoroughly to understand the utility model.
As Figure 1-4, device for storing liquid 10 includes housing unit 100 and air guide tube assembly 200.
Liquid storage cylinder 120 is formed with housing unit 100.Liquid storage cylinder 120 has air inlet 122 and gas outlet 124.In humidification
During, liquid storage cylinder 120 only carries out fluid transmission by the air inlet 122 and gas outlet 124 with outside.
Liquid storage cylinder 120 is used to store liquid.The liquid includes being used for the gas that humidifying enters in the respiratory tract of patient
Water.Other materials, medicine of such as resolvability etc. can also be included in the liquid.Liquid storage cylinder 120 can have fluid injection
Mouthful, liquid is injected into liquid storage cylinder 120 by the liquid injection port.Liquid injection port can be located at liquid storage cylinder 120 top or side it is upper
Portion.Liquid storage cylinder 120 does not fill liquid under normal circumstances, that is to say, that liquid storage cylinder 120 generally has highest can filling level.Most
Height can filling level refer to allow into fluid chamber 120 liquid filling body highest liquid level.When liquid exceedes the liquid level, due under
Text by the presence of the air inlet mentioned and gas outlet, liquid may in some cases (such as device for storing liquid movement) from liquid storage
Chamber 120 overflows.Also, the upper space of liquid storage cylinder 120 also required to accommodate evaporation after steam and for steam with being available for
Breathing gas is sufficiently mixed.Then, when liquid injection port is located at the top of liquid storage cylinder 120, set and carve preferably on liquid storage cylinder 120
Scale is known, to remind the highest of patient's liquid storage cylinder 120 can filling level.When liquid injection port is located at the upper of the side of liquid storage cylinder 120
During portion, the highest that liquid storage cylinder 120 can be limited by the position of liquid injection port can filling level.
In a preferred embodiment, housing unit 100 can include upper housing component 112, lower house component 114 and
Positioned at sealing ring 116 between the two.Upper housing component 112 is detachably connectable to lower house component 114.Such as Fig. 4 decomposition
Shown in figure and Fig. 5 and Fig. 6 stereogram, when upper housing component 112 and the fastening of lower house component 114, sealing ring 116 can be with
Seal the gap between upper housing component 112 and lower house component 114.Alternatively, sealing ring 116 can be connected to upper shell group
In part 112 and lower house component 114 any one or both on.In this embodiment, liquid storage cylinder 120 is by upper housing component 112
It is collectively forming with lower house component 114.Therefore, when opening upper housing component 112, liquid storage cylinder 120 is opened, can be into it
Inject liquid.There is housing unit 100 such structure to be advantageous in that, conveniently can unpick and wash equipment at any time, and open upper casing
Liquid directly can be injected into liquid storage cylinder 120 after body component 112, without extraly setting liquid injection port in fluid chamber 120.Remove
Outside this, processing and manufacturing is also convenient for.Alternatively, locking knot can be provided between upper housing component 112 and lower house component 114
Structure.Latch-up structure locks both when upper housing component 112 and lower house component 114 are snapped together, with ensure them it
Between air-tightness.
In addition, in the case where housing unit 100 includes above-mentioned two part, can pivotly connect between this two parts
It is connected together.Exemplarily, it can be connected between upper housing component 112 and lower house component 114 by hinge arrangement, with relative
Upper housing component 112 is pivotally opened in lower house component 114.
In addition, inlet chamber 130 and (such as Fig. 3 A-3B and Fig. 4 of outlet chamber 140 can also be formed with housing unit 100
It is shown).Inlet chamber 130 and outlet chamber 140 can be connected with liquid storage cylinder 120 via respective opening 132 and 142, inlet chamber 130
It is used to collect the liquid that liquid storage cylinder 120 overflows with outlet chamber 140, to prevent liquid overflows device for storing liquid 10 from entering main frame and breathing
Mask.Alternatively, inlet chamber 130 and outlet chamber 140 can also be collectively forming by upper housing component 112 and lower house component 114.
So, each chamber can easily be cleaned by opening after upper housing component 112, and beneficial to processing and manufacturing.
As shown in figure 4, in order to accelerate the liquid evaporation in liquid storage cylinder 120, it is preferable that set in the bottom of liquid storage cylinder 120
There is heat-conducting plate 150.Exemplarily, bottom opening can be provided with the housing unit of the bottom of liquid storage cylinder 120.Heat-conducting plate 150 is close
Feud is embedded in the bottom opening.Humidifier for lung ventilator can include the liquid storage that heating element heater and the utility model are provided
Device.When device for storing liquid is fitted into humidifier, the heat-conducting plate 150 of the bottom of liquid storage cylinder 120 is thermally contacted with heating element heater.Heat-conducting plate
Liquid in 150 heat transfer for producing heating element heater to device for storing liquid, makes liquid evaporation.In other implementations,
Heating rod can be directly set in liquid storage cylinder 120, the liquid in liquid storage cylinder 120 is directly heated by heating rod.
Air guide tube assembly 200 is described in detail below in conjunction with accompanying drawing.As shown in figure 4, air guide tube assembly 200 can include
Airway 210 and guiding tube 220.Air guide tube assembly 200 is used to be arranged in liquid storage cylinder 120.
Outtake tube 210 has air inlet port 212 and air outlet 214.Outtake tube 210 is arranged on the liquid storage of humidifier
Chamber 210.The air outlet 214 of outtake tube 210 is used for the gas outlet 124 for being directly or indirectly communicated to liquid storage cylinder 120.Outlet
The air outlet 214 of conduit 210 is connected to opening 142, referring to Fig. 3 B, and the gas after humidification is conveyed after passing through outlet chamber 140
To patient interface, air outlet 214 is communicated to the gas outlet 124 of liquid storage cylinder 120 indirectly.It is being not provided with the reality of outlet chamber 140
Apply in example, the air outlet 214 of outtake tube 210 can be directly connected to the gas outlet 124 of liquid storage cylinder 120.Outtake tube 210
Air outlet 214 be connected to opening 142 or gas outlet 124 preferably by dismountable mode, in order to dismantle and change
Deng.Exemplarily, slot can be provided with opening 142 or gas outlet 124, the air outlet 214 of outtake tube 210 can be inserted into
In the slot, Figure 4 and 5 show a case that to set slot 144 at opening 142.So both can be connected by way of grafting
Connect.In order to ensure the air-tightness of connection, seal 160 can be set therebetween.In unshowned other embodiment, go out
The air outlet 214 of airway 210 can also be connected to opening 142 using other modes, herein no longer to various modes one by one
Description.
Guiding tube 220 is used for the air inlet of air inlet port 212 for guiding outtake tube 210.Guiding tube 220 has and outtake tube
Connected entrance 222 that 210 air inlet port 212 is connected and the multiple gas backstreaming ports 224 being connected with connected entrance 222
With 226, as illustrated in figures 4-5.Connected entrance 222 can be located at the middle part of guiding tube 220.Multiple gas backstreaming ports 224 and 226 can
With positioned at the end of guiding tube 220.Connected entrance 222 is communicated to the air inlet port 212 of outtake tube 210.The gas of guiding tube 220
Return port 224 and 226 is connected with liquid storage cylinder 120.So, gas after humidifying in the liquid storage cylinder 210 is from multiple gas backstreamings
Port 224 and 226, the air outlet 214 via the arrival outtake tube 210 of connected entrance 222.Multiple Hes of gas backstreaming port 224
226 highests for being above liquid storage cylinder 120 can filling level.Gas after humidifying via guiding tube 220 gas backstreaming port 224
Enter with 226 in outtake tube 210, then pass through outlet chamber 140 and discharge.Guiding tube 220 increases gas in fluid chamber 120
Circulating path so that gas has time enough and travel distance to be contacted with steam, reaches the purpose of abundant humidifying, is patient
Offer more moistens comfortable gas.
In order to play a part of in anti-overflow, air inlet port 212 and air outlet 214 at least one be equal to or higher than lead
Other ports in port included by tracheae component 200.The port of air guide tube assembly 200 includes the air inlet of outtake tube 210
Port 212 and air outlet 214 and multiple gas backstreaming ports 224 and 226.That is, in air inlet port 212, outlet
In these ports of port 214 and multiple gas backstreaming ports 224 and 226, generally in the presence of two kinds of situations：First, inlet end
Mouth 212 or air outlet 214 are equal to or higher than other ports, including two kinds of situations：A) air inlet port 212 is higher than other ports
(it includes air outlet 214 and gas return port 224 and 226), i.e. HEnter≥HGo outAnd HEnter≥HReturn；And b) air outlet 214
Higher than other ports (it includes air inlet port 212 and gas return port 224 and 226), i.e. HGo out≥HEnterAnd HGo out≥HReturn；2nd, enter
Gas port 212 is equal with the height of air outlet 214, and is equal to or higher than other ports, i.e. HEnter=HGo out≥HReturn.Wherein, HEnter、
HGo out、HReturnRefer to the height of air inlet port 212, air outlet 214 and gas backstreaming port 224 and 226 respectively.Above-mentioned two situations
Contain HEnter=HGo out=HReturnSituation.Although the problem of such case can solve anti-overflow to a certain extent, effect
Fruit may be slightly poorer than other situations, and by increasing some protection devices, can prevent liquid entry into air inlet port 212.Hereinafter
One embodiment of this protection device will be provided.It is therefore preferred that HEnter、HGo out、HReturnThree.
As in the illustrated example, in air outlet of the air inlet port 212 higher than outtake tube 210 of outtake tube 210
In the case of 214, the liquid in liquid storage cylinder 120 can be avoided to enter air inlet port 212 to a certain extent.Further preferably
Ground, in which case it is convenient to increase some protection devices (as will be hereinafter described), it is to avoid liquid enters air inlet port 212.
Or, gas backstreaming port 224 and 226 can also be positioned below air inlet port 212.Or, using above two means
Combination.
In unshowned one group of embodiment, in the going out less than outtake tube 210 of air inlet port 212 of outtake tube 210
In the case of gas port 214, even if thering is liquid to enter air inlet port 212, because Action of Gravity Field can also flow back from air inlet port 212
Into liquid storage cylinder 120.Therefore, this mode is relatively more preferred.It is further preferred that some protection devices can also be increased (such as
Hereinafter by description) and/or gas backstreaming port 224 and 226 is positioned below air inlet port 212.
In unshowned another group of embodiment, the air inlet port 212 of outtake tube 210 may also be equal to outtake tube
210 air outlet 214, but both of which is higher than gas backstreaming port 224 and 226.In this case, even if there is liquid to enter gas
Body return port 224 and 226, because Action of Gravity Field can be also back in liquid storage cylinder 120, without entering to go to outtake tube 210
In.
It should be noted that the directional terminology relevant with air guide tube assembly involved by this paper, such as " height ", " low ",
"up" and "down" etc., is for the first direction that air guide tube assembly is in shown in Fig. 4.As shown in figure 4, this
I.e. a direction air guide tube assembly is attached to direction residing when on humidifier, i.e., air guide tube assembly is under normal operating condition
Residing direction.
In the illustrated embodiment, guiding tube 220 is straight catheter, with two gas backstreaming ports.Guiding tube 220 can be big
Perpendicular to outtake tube 210 on body.When the double swerve of device for storing liquid 10 for filling liquid so that a gas of guiding tube 220 is returned
When flow port is in below liquid level, it might have a small amount of liquid and enter from the gas backstreaming port in guiding tube 220.But it is due to
Guiding tube 220 has two gas backstreaming ports, and the two gas backstreaming ports are oppositely arranged, therefore a small amount of liquid in this part is very
Flowed out readily along straight guiding tube 220 from another gas backstreaming port, without entering in outtake tube 210.Certainly, such as
If space in fruit liquid storage cylinder 120 allows, guiding tube 220 can also have more gas backstreaming ports.In this case,
The liquid entered from a gas backstreaming port in guiding tube 220 can also flow out from other gas backstreaming ports.
Preferably, the connected entrance 222 of guiding tube 220 is higher than gas backstreaming port 224 and 226.Exemplarily, guiding tube
220 can gradually downward tilt from connected entrance 222 to gas backstreaming port 224 and 226, in order to gas backstreaming port of entering
224 and 226 are back in liquid storage cylinder 120.Exemplarily, can also be in from connected entrance 222 to gas backstreaming port 224 and 226
Tilt down stepwise.Guiding tube 220 can have various constructions, as long as connected entrance 222 can be made to be higher than gas backstreaming end
Mouth 224 and 226.At the connected entrance 222 of guiding tube 220, the highest of guiding tube 220.The gas backstreaming port of guiding tube 220
It is minimum at 224 and 226.So, even if liquid accidentally enters guiding tube from the gas backstreaming port 224 and 226 of guiding tube 220
In 220, it can also be back in liquid storage cylinder 120, it is to avoid enter patient interface.
As mentioned above, in air outlet 214 of the air inlet port 212 higher than outtake tube 210 of outtake tube 210
In the case of, preferably increase protection device, as shown in fig. 7, the protection device can be muscle 228.Muscle 228 can be arranged on
In guiding tube 220.Muscle 228 is arranged on the bottom of the stream in guiding tube 220, the bottom stream for separating guiding tube 220.
" stream " is included from each gas backstreaming port of guiding tube 220 to all fluid paths of connected entrance 222.Muscle 228
For the bottom for every stream for separating guiding tube 220.So, fluid (including gas and liquid) can only be out of guiding tube 220
The top of every stream pass through so that even if having the stream that liquid enters in guiding tube 220 from any gas backstreaming port all
It can be stopped by muscle 228, it is impossible to enter outtake tube 210.It is alternatively possible to from each gas backstreaming port to connected entrance
Set muscle 228 to block bottom stream on each stream.It is preferable that as shown in fig. 7, muscle 228 can be set
At the connected entrance 222 of guiding tube 220.That is, muscle 228 is arranged at the position that every stream converges, that is, guide
The junction of pipe 220 and outtake tube 210.So, the muscle 228 of minimum number can be set to realize that identical technology is imitated
Really, so as to simplify constructing, simplifying manufacturing process for product.It is understood that above-mentioned protection device can also be arranged on air inlet
Port 212 is less than in the outtake tube 210 of air outlet 214.
The air guide tube assembly that the utility model is provided can be arranged in the liquid storage cylinder of humidifier, and makes air guide tube assembly
The air outlet of outtake tube be communicated to the gas outlet of liquid storage cylinder.Connect in the air inlet port of the outtake tube of the air guide tube assembly
Guiding tube is connected to, the air inlet port air inlet of outtake tube is guided by guiding tube；And guiding tube has multiple gas backstreaming ports,
Cause liquid to be flowed into from a gas backstreaming port accordingly even when liquid storage cylinder is rocked, can also be flowed out from other gas backstreaming ports,
So as to reduce liquid into the possibility of the air inlet port of outtake tube.Further, since the presence of outtake tube and guiding tube, prolongs
The path that gas flows in liquid storage cylinder has been grown, therefore, it is possible to make gas be sufficiently mixed with the steam after evaporation, and then has made outflow
Gas there is desired humidity and temperature.
In a preferred embodiment, device for storing liquid 10 also includes air induction conduit 230.Air induction conduit 230 is used to be directed into
Enter the direction of the gas in liquid storage cylinder 120.Air induction conduit 230 has air inlet port 232 and air outlet 234, such as Fig. 3 A and Fig. 4
It is shown.The air inlet port 232 of air induction conduit 230 is higher than the air outlet 234 of air induction conduit 230.Air induction conduit 230 is used to set
In the liquid storage cylinder 120 of humidifier.The air inlet port 232 of air induction conduit 230 is used to directly or indirectly be communicated to liquid storage cylinder 120
Air inlet 122.The air inlet port 232 of air induction conduit 230 can be connected to the opening 132 of inlet chamber 130.It is being not provided with air inlet
In the embodiment of chamber 130, air inlet port 232 can be directly connected to air inlet 122.Preferably, the inlet end of air induction conduit 230
Mouth 232 can be detachably connectable to opening 132 or air inlet 122, in order to dismantle and change.Exemplarily, opening 132
Place can be provided with slot, and the air inlet port 232 of air induction conduit 230 can be inserted into the slot, as shown in Figures 4 and 5.Both so
It can be connected by way of grafting.In order to ensure the air-tightness of connection, seal 160 can be set therebetween.Not
In the other embodiment shown, the air inlet port 232 of air induction conduit 230 can also be connected to opening 132 using other modes, this
Text is no longer described one by one to various modes.The air outlet 234 of air induction conduit 230 is extend into liquid storage cylinder 120, referring to Fig. 3 A,
4-5.The air inlet port 232 of air induction conduit 230 is higher than the air outlet 234 of air induction conduit, to guide gas along towards liquid level
Direction flowing, it is to avoid enter the side wall of gas direct collision liquid storage cylinder 120 and produce noise.Further, since air induction conduit 230
Air outlet 234 it is relatively low, even if liquid is accidentally entered in air induction conduit 230 from air outlet 234, can also be back to liquid storage cylinder
In 120, it is to avoid enter main frame.Due to the presence of air induction conduit 230, the path of gas flowing in liquid storage cylinder 120 is extended, because
This can be such that gas is sufficiently mixed with the steam after evaporation, and then the gas of outflow is had desired humidity and temperature.
It is further preferred that Open Side Down for the air outlet 234 of air induction conduit 230.The air outlet of air induction conduit 230
234 opening region be directly facing liquid level, and the side wall collision with fluid chamber 120 can be avoided to produce noise, and gas enters liquid
Stop meeting after chamber by liquid level is substantially uniformly flowed towards surrounding, and then beneficial to the abundant of the steam after gas and evaporation
Mixing.The highest that air outlet 234 is preferably higher than liquid storage cylinder 120 can filling level.In this way, liquid can on the one hand be avoided
Body enters air induction conduit 230 from air outlet 234, and gas on the other hand can be avoided to enter caused by the bubble produced in liquid
Noise.
Preferably, air guide tube assembly 200 also includes connector 240.Connector 240 is by the air outlet of outtake tube 210
It is fixed together with the air inlet port of air induction conduit 230.Connector 240 is additionally operable to air guide tube assembly 200 being connected to humidifier
Liquid storage cylinder 210 on.So, outtake tube 210 and air induction conduit 230 can be pulled down or assembled together, share same seal
160th, common identical connected structure, therefore reduce the quantity of parts.
The inner space of liquid storage cylinder 120 is typically limited, for the air guide tube assembly 200 including air induction conduit 230, is gone out
The incline direction of airway 210 and air induction conduit 230 can be with the contrary, such as Fig. 4-5 and Fig. 7.From the side of liquid storage cylinder (generally edge
The bearing of trend of guiding tube 220) viewing, outtake tube 210 and air induction conduit 230 are cross-shaped.The air inlet of outtake tube 210
Port 212 is higher than the air outlet 234 of air induction conduit 230.Preferably, the air outlet 234 of air induction conduit 230 can be located at and draw
The lower section of conduit 220.So, can optimize the space availability ratio in liquid storage cylinder.Certainly, if the inside of liquid storage cylinder 120
Enough, the air inlet port 212 of outtake tube 210 can be less than or wait the air outlet 234 higher than outtake tube 210 in space.Go out
The air outlet 214 of airway 210 and the air inlet port 232 of air induction conduit 230 can have of substantially equal height, certainly,
If desired, they can also have the height not waited.
In addition, as shown in Fig. 6 and Fig. 8-9, the inner peripheral of sealing ring 160 is extend into liquid storage cylinder 120.Guiding tube 220
Gas backstreaming port 224 and 226 is respectively positioned on the surface of the part extending into liquid storage cylinder 210 of sealing ring 160.Namely
Say, after the gas backstreaming port 224 and 226 of guiding tube 220 is projected vertically downwards, fall extending into sealing ring 160
On part in liquid storage cylinder 210.For the liquid storage cylinder 120 of the even width up and down of diagram, it is believed that the inner side of sealing ring 160
The distance of edge to the side wall of liquid storage cylinder 120 is more than gas backstreaming port 224 and 226 to the distance of the side wall of liquid storage cylinder.More
Say body, diagram guiding tube 220 for straight catheter embodiment in, when between gas backstreaming port 224 and 226 spacing determine
When justice is defined as B for A and sealing ring 160 spacing extending between the part in liquid storage cylinder 210, A is more than B.But,
It is appreciated that gas backstreaming port 224 and 226 does not press close to the side wall of liquid storage cylinder 120 preferably, in order to avoid influence gas flowing.But
For a fairly large number of situation of gas backstreaming port, though the influence that patch proximal wall may also be to air-flow is smaller, therefore ability
The technical staff in domain needs reasonably to select the quantity of gas backstreaming port under the design that the utility model is provided, they are to storage
Distance of sap cavity side wall etc..By liquid can be blocked by the part extending into liquid storage cylinder 210 of sealing ring 160, and nothing
Method is shaken into airflow reflux mouthful 224 and 226, so ensures that liquid is hardly entered in guiding tube 220.It is very acute when what is rocked
When strong, even if there is sub-fraction water to enter guiding tube 220, because guiding tube 220 has multiple gas backstreaming ports, liquid can also compare
It is easier to outflow.
According to another aspect of the present utility model, a kind of humidifier is also provided.The humidifier is including heating element heater and as above
Described any device for storing liquid.Heating element heater is located at below the liquid storage cylinder of device for storing liquid.Filled on heating element heater and liquid storage
The description for being referred to appropriate section above is put, herein in order to succinctly will not be discussed further.
According to another aspect of the present utility model, a kind of lung ventilator is also provided.The lung ventilator includes mentioned above add
Wet device.
The utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is
For the purpose illustrated and illustrated, and it is not intended to the utility model being limited in described scope of embodiments.In addition ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, according to teaching of the present utility model also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model scope claimed with
It is interior.Protection domain of the present utility model is defined by the appended claims and its equivalent scope.
Claims (13)
1. a kind of air guide tube assembly for humidifier, it is characterised in that including：
Outtake tube, the outtake tube has air inlet port and air outlet；And
Guiding tube, the guiding tube have the connected entrance that is connected with the air inlet port of the outtake tube and with the connected entrance
The multiple gas backstreaming ports being connected.
2. air guide tube assembly as claimed in claim 1, it is characterised in that the port of the air guide tube assembly includes the outlet
The air inlet port and air outlet of conduit and the multiple gas backstreaming port, wherein in a first direction, it is described go out conductance
At least one in the air inlet port and air outlet of pipe is equal to or higher than other ports in the port.
3. air guide tube assembly as claimed in claim 1, it is characterised in that in a first direction, the company of the guiding tube
Air inlet port institute less than the outtake tube of the port higher than the gas backstreaming port, and/or the outtake tube
State air outlet.
4. air guide tube assembly as claimed in claim 1, it is characterised in that the guiding tube is with two gas backstreaming ports
Straight catheter.
5. air guide tube assembly as claimed in claim 1, it is characterised in that the air guide tube assembly also includes：
Air induction conduit, the air induction conduit has air inlet port and air outlet, in a first direction, and the air induction conduit enters
Gas port is higher than the air outlet of the air induction conduit.
6. air guide tube assembly as claimed in claim 5, it is characterised in that the air outlet of the air induction conduit is located at described draw
The lower section of conduit, and Open Side Down for the air outlet of the air induction conduit.
7. air guide tube assembly as claimed in claim 5, it is characterised in that the air guide tube assembly also includes connector, described
The air inlet port of the air outlet of the outtake tube and the air induction conduit is fixed together by connector, and the connector is also
Liquid storage cylinder for the air guide tube assembly to be connected to the humidifier.
8. air guide tube assembly as claimed in claim 1, it is characterised in that muscle, the muscle are provided with the guiding tube
The bottom for the stream being arranged in the guiding tube, the muscle is used for the bottom stream for separating the guiding tube.
9. air guide tube assembly as claimed in claim 8, it is characterised in that the muscle is arranged on the company of the guiding tube
Passage port.
10. a kind of device for storing liquid for humidifier, it is characterised in that including：
Liquid storage cylinder is formed with housing unit, the housing unit, the liquid storage cylinder has air inlet and gas outlet；
Air guide tube assembly as claimed in any one of claims 1-9 wherein, the air guide tube assembly is arranged in the liquid storage cylinder simultaneously
The housing unit is connected to, the air outlet of the outtake tube of the air guide tube assembly is connected with the gas outlet, and institute
The gas backstreaming port for stating air guide tube assembly can filling level higher than the highest of the liquid storage cylinder.
11. device for storing liquid as claimed in claim 10, it is characterised in that the housing unit includes upper housing component, lower casing
Body component and positioned at sealing ring between the two,
The inner peripheral of the sealing ring is extend into the liquid storage cylinder, and the gas backstreaming port of the guiding tube is located at institute
State the surface of the part extending into the liquid storage cylinder of sealing ring.
12. a kind of humidifier, it is characterised in that the humidifier includes heating element heater and the storage as described in claim 10 or 11
Liquid device, wherein, the heating element heater is located at below the liquid storage cylinder of the device for storing liquid.
13. a kind of lung ventilator, it is characterised in that the lung ventilator includes the humidifier described in claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019872.3U CN206350858U (en) | 2016-08-31 | 2016-08-31 | Air guide tube assembly, device for storing liquid, humidifier and lung ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019872.3U CN206350858U (en) | 2016-08-31 | 2016-08-31 | Air guide tube assembly, device for storing liquid, humidifier and lung ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206350858U true CN206350858U (en) | 2017-07-25 |
Family
ID=59346753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621019872.3U Withdrawn - After Issue CN206350858U (en) | 2016-08-31 | 2016-08-31 | Air guide tube assembly, device for storing liquid, humidifier and lung ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206350858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310475A (en) * | 2016-08-31 | 2017-01-11 | 天津怡和嘉业医疗科技有限公司 | Airway components, liquid container, humidifier and ventilator |
| WO2018040975A1 (en) * | 2016-08-31 | 2018-03-08 | 北京怡和嘉业医疗科技股份有限公司 | Air-guiding tube component, liquid-storage device, humidifier, and ventilator |
-
2016
- 2016-08-31 CN CN201621019872.3U patent/CN206350858U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310475A (en) * | 2016-08-31 | 2017-01-11 | 天津怡和嘉业医疗科技有限公司 | Airway components, liquid container, humidifier and ventilator |
| WO2018040975A1 (en) * | 2016-08-31 | 2018-03-08 | 北京怡和嘉业医疗科技股份有限公司 | Air-guiding tube component, liquid-storage device, humidifier, and ventilator |
| US11247018B2 (en) | 2016-08-31 | 2022-02-15 | Bmc Medical Co., Ltd. | Gas guide tube assembly, liquid storage device, humidifier, and ventilator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170725 Effective date of abandoning: 20190402 |
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| AV01 | Patent right actively abandoned |