CN207520420U - Gas circuit component, device for storing liquid and lung ventilator - Google Patents

Abstract

A kind of gas circuit component, device for storing liquid and lung ventilator, gas circuit component include separator and the first guide member, the first through hole and the second through hole are offered on separator.First guide member is formed on the upper surface of separator above separator and air-flow is directed to the air inlet runner of the first through hole and air-flow is gone out flow channel from what the second through hole derived every setting out.The return-air runner for flowing to the second through hole from the first through hole for air-flow is formed with below separator.Gas circuit component is arranged in the cavity of device for storing liquid when in use, air inlet runner is enclosed with housing unit, goes out flow channel and return-air runner, cavity is separated into upper cavity and lower chamber by separator, and the first through hole is made to pass through air inlet runner with air inlet to be connected, second through hole is connected by going out flow channel with gas outlet, can solve the problems, such as that patient caused by the overflow of gas outlet chokes water to a certain extent.

Description

Gas circuit component, device for storing liquid and lung ventilator

Technical field

The utility model is related to respiratory therapy field, more particularly to a kind of gas circuit component, tool for lung ventilator There are the device for storing liquid, the humidifier with the device for storing liquid and the lung ventilator with the humidifier of the gas circuit component.

Background technology

At present, it is treatment sleep apnea syndrome (such as severity using the continuous positive airway of lung ventilator Snoring) etc. diseases main means.Device for storing liquid and heating element are the important components of lung ventilator, and effect is to add Temperature, humidified air increase water loading of the air, make that the gas in patient's suction body is warm, moistening, reduce cold dry gas Stimulation of the body to respiratory mucosa improves the comfort level of patient.Heat is conducted to the water in device for storing liquid to add by heating element Fast water evaporation, so as to which the air for exporting suitable temperature and humidity is supplied to patient.But some patientss have shifting in use The demand of dynamic device for storing liquid, the water in moving process in device for storing liquid are likely to air inlet and/or outlet from device for storing liquid It mouthful overflows, the water of spilling enters likely via appendix in breathing mask, and patient is caused to choke water.

Therefore, it is necessary to provide a kind of gas circuit component of the humidifier for lung ventilator, the liquid storage with the gas circuit component Device, the lung ventilator with the device for storing liquid, to solve air inlet at least partly and/or what gas outlet overflow was brought asks Topic.

Utility model content

In order to solve air inlet present in existing device for storing liquid at least partly and/or what gas outlet overflow was brought asks Topic, the utility model provides a kind of gas circuit component for humidifier, including separator and the first guide member, the separator With opposite upper and lower surface, and the first through hole and the second through hole are offered on the separator.Described first Guide member formed on the upper surface, above the separator every set out by air-flow be directed to first through hole into Flow channel and air-flow is gone out into flow channel from what second through hole derived, wherein, it is formed with gas supply below the separator Stream flows to the return-air runner of second through hole from first through hole.

Preferably, the anti-structural member that backflows is further included, the anti-structural member that backflows corresponds to from the lower surface of the separator The first perforation hole site extends downwardly, and forms upper coarse and lower fine horn body.

Preferably, it is described go out flow channel in be provided with the anti-overflow structure part being connected with first guide member, it is described Anti-overflow structure part is upwardly extended from the upper surface of the separator.

Preferably, in the vertical direction, second through hole is set higher than first through hole.

Preferably, first guide member includes enclosing part and what is be oppositely arranged directly leads portion.The enclosing part is disposed around Around first through hole.The straight portion of leading is connected to the both ends of the enclosing part so that first guide member integrally has Opening.

Preferably, the second guide member is further included, second guide member is formed on the lower surface to extend described return The path of flow channel.

Preferably, second guide member includes curved portion and the guidance part being oppositely arranged.The curved portion is disposed around Around first through hole.The guidance part be connected to the curved portion both ends so that second guide member integrally have open Mouthful.

Another aspect according to the present utility model also provides a kind of device for storing liquid, including housing unit and as described above Any one gas circuit component.Cavity is formed in the housing unit, the cavity has air inlet and gas outlet.The gas circuit Component be arranged in the cavity and with the housing unit be enclosed the air inlet runner, it is described go out flow channel and described time The cavity is separated into upper cavity and lower chamber by flow channel, the separator of the gas circuit component, and the first of the gas circuit component Through hole is connected by the air inlet runner with the air inlet, and the second through hole of the gas circuit component passes through the outlet Runner is connected with the gas outlet.

Preferably, the housing unit includes upper housing component and lower housing component.It is provided on the upper housing component Matched with first guide member to be formed the air inlet runner and it is described go out flow channel pairing guide member, pairing guiding It is connected on part and the matched pairing anti-overflow part of the anti-overflow structure part.

It is according to the present utility model in another aspect, also provide a kind of lung ventilator, the lung ventilator includes host and as above institute Any device for storing liquid stated.

Gas circuit component provided by the utility model can be arranged in the device for storing liquid of lung ventilator, and makes gas circuit component First through hole of separator is connected by air inlet runner with the air inlet of device for storing liquid, makes the second through hole of gas circuit component It is connected by going out flow channel with the gas outlet of device for storing liquid.

Device for storing liquid provided by the utility model, since the cavity of device for storing liquid is separated by the separator of gas circuit component Cavity and lower chamber, air inlet runner and go out flow channel and are located at upper cavity, and return-air runner is located at lower chamber, even if device for storing liquid rolling Dynamic, liquid also is difficult to enter upper cavity, so as to reduce the possibility that liquid enters air inlet and gas outlet.Further, since first The presence of guide member extends the path that gas flows in the cavity, therefore gas and the steam after evaporation can be made fully mixed It closes, and then makes the gas of outflow that there is desired humidity and temperature.

A series of concept of reduced forms is introduced in utility model content, this will in specific embodiment part into One step is described in detail.The utility model content part is not meant to the pass for attempting to limit technical solution claimed Key feature and essential features do not mean that the protection domain for attempting to determine technical solution claimed more.

Below in conjunction with attached drawing, the advantages of the utility model is described in detail and feature.

Description of the drawings

The drawings below of the utility model is used to understand the utility model in this as the part of the utility model.Attached drawing In show the embodiment and its description of the utility model, for explaining the principle of the utility model.In the accompanying drawings,

Fig. 1 is the stereogram according to the device for storing liquid of the utility model one embodiment；

Fig. 2 is the vertical view of the device for storing liquid shown in Fig. 1；

Fig. 3 is the sectional view of device for storing liquid that is cut along the line A-A in Fig. 2；

Fig. 4 is the front view of the device for storing liquid shown in Fig. 1；

Fig. 5 is the sectional view of device for storing liquid that is cut along the line B-B in Fig. 4；

Fig. 6 is the solid observed from below according to the upper housing component of the device for storing liquid of the utility model one embodiment Figure；Fig. 7 A are according to the gas circuit component of the utility model one embodiment stereogram viewed from above；

Fig. 7 B are the stereogram observed from below according to the gas circuit component of the utility model one embodiment；

Fig. 8 is the rearview opened according to the upper housing component of the device for storing liquid of the utility model one embodiment；

Fig. 9 is the sectional view of device for storing liquid that is cut along the line C-C in Fig. 8.

Wherein, reference numeral is

10-device for storing liquid

100-housing unit

112-upper housing component

1121-pairing guide member

1122-pairing anti-overflow part

114-lower housing component

116-sealing ring

120-cavity

122-air inlet

124-gas outlet

126-upper cavity

128-lower chamber

200-gas circuit component

210-separator

211-upper surface

212-the first through hole

213-lower surface

214-the second through hole

215-front end face

217-rear end face

220-the first guide member

221-opening

222-enclosing part

224-directly lead portion

230-the second guide member

231-opening

232-curved portion

234-guidance part

240-anti-overflow structure part

250-anti-the structural member that backflows

Specific embodiment

In the following description, a large amount of details is provided so as to thoroughly understand the utility model.However, ability Field technique personnel will be seen that, the preferred embodiment described below for exemplarily only showing the utility model, the utility model It may not need details as one or more and be carried out.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.

One side according to the present utility model provides a kind of gas circuit component for humidifier and with the gas circuit component Device for storing liquid.Fig. 1-9 shows the entirety of device for storing liquid from all angles and device for storing liquid is included all parts or Part, such as gas circuit component, upper housing component and lower housing component etc..In order to understand these components or part in device for storing liquid In position and role, first to device for storing liquid carry out globality description, thoroughly to understand the utility model.

As shown in Figs. 1-5, device for storing liquid 10 includes housing unit 100 and gas circuit component 200.

Cavity 120 is formed in housing unit 100.Cavity 120 has air inlet 122 and gas outlet 124.In humidification In, cavity 120 only carries out fluid transmission by the air inlet 122 and gas outlet 124 with external.

Cavity 120 is used to store liquid.The liquid includes the water for entering the gas in the respiratory tract of patient for humidifying. It can also include other materials, such as drug of resolvability etc. in the liquid.Cavity 120 can have liquid injection port, lead to It crosses the liquid injection port and injects liquid into cavity 120.Liquid injection port can be located at the top of cavity 120 or the top of side.Cavity 120 Liquid is not filled under normal conditions, that is to say, that cavity 120 usually there is highest liquid level can be filled.Liquid level can be filled in highest Referring to allows the highest liquid level of the liquid filling body into fluid chamber 120.When liquid is more than the liquid level, due to the air inlet that will hereafter mention Mouth and the presence of gas outlet, liquid may be overflowed from cavity 120 in (such as device for storing liquid movement) in some cases.Also, The upper space of cavity 120 also required to accommodate the steam after evaporation and for steam with for the fully mixed of breathing gas It closes.Then, when liquid injection port is located at the top of cavity 120, scale marker preferably is set on cavity 120, to remind patient should Liquid level can be filled in the highest of cavity 120.When liquid injection port is located at the top of the side of cavity 120, the position of liquid injection port can be passed through It puts and liquid level can be filled to limit the highest of cavity 120.

In a preferred embodiment, housing unit 100 can include upper housing component 112, lower housing component 114 and Sealing ring 116.As shown in Figure 3 and Figure 5, upper housing component 112 is detachably connectable to lower housing component 114.Upper housing component 112 and lower housing component 114 fasten when, sealing ring 116 can be sealed between upper housing component 112 and lower housing component 114 Gap.In this embodiment, cavity 120 is collectively formed by upper housing component 112 and lower housing component 114.Therefore, when in opening During housing unit 112, cavity 120 is opened, and liquid can be injected into it.Housing unit 100 has the benefit of such structure It is, conveniently can unpicks and washes equipment at any time, and directly liquid can be injected into cavity 120 after opening upper housing component 112, Without extraly setting liquid injection port on cavity 120.In addition to this, it is also convenient for fabricating.Optionally, upper housing component 112 Locking structure can be provided between lower housing component 114.Locking structure is in upper housing component 112 and lower housing component 114 The two is locked when snapping together, to ensure the air-tightness between them.

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.Illustratively, it can be connected between upper housing component 112 and lower housing component 114 by hinge arrangement, with opposite Upper housing component 112 is pivotally opened in lower housing component 114.Referring to Fig. 9, after upper housing component 112 pivotally opens, cavity 120 are in open state, can liquid filling body in housing unit 114 downwards.

Include above-mentioned two part in housing unit 100 and can pivotally open upper shell relative to lower housing component 114 In the case of component 112, air inlet 122 and gas outlet 124 are preferably provided on upper housing component 112, air inlet 122 and are gone out Specific installation position of the gas port 124 on upper housing component 112 can be：First, air inlet 122 and gas outlet 124 are arranged on On the side wall of housing unit 112, and it can be provided on identical side wall or be arranged on different lateral；2nd, air inlet Mouth 122 and gas outlet 124 are arranged on the roof of upper housing component 112.In unshowned other embodiment, air inlet 122 Other set-up modes can also be used with the installation position of gas outlet 124, no longer various modes are described one by one herein.

Include above-mentioned two part in housing unit 100 and can pivotally open upper shell relative to lower housing component 114 In the case of component 112, as shown in Figure 3, Figure 5 and Figure 6, it is provided on upper housing component 112 and the first guiding described below Part 220 matches the pairing guide member 1121 to form air inlet runner and go out flow channel.It is connected on pairing guide member 1121 under 240 matched pairing anti-overflow part 1122 of anti-overflow structure part described in text.It is right in order to be matched with the first guide member 220 Close guide member 1121 have with 220 same shape of the first guide member and structure, rear extended meeting is to the shape of the first guide member 220 Shape and structure are described.In order to be matched with anti-overflow structure part 240, pairing anti-overflow part 1122 has and anti-overflow structure The shape and structure of anti-overflow structure part 240 is described in 240 same shape of part and structure, rear extended meeting.Do not showing In the embodiment gone out, in the case where air-tightness can be met, setting pairing guide member 1121 and pairing anti-overflow can not also be used Part 1122.

Below in conjunction with attached drawing detailed description gas circuit component 200.As shown in figs. 7 a and 7b, gas circuit component 200 can wrap 210 and first guide member 220 of separator is included, gas circuit component 200 is used to be arranged in cavity 120.

Separator 210 has opposite upper surface 211 and lower surface 213, and the first through hole is offered on separator 210 212 and second through hole 214, the first through hole 212 and the second through hole 214 are all penetrated through from upper surface 211 to lower surface 213. Separator 210, which is arranged in the cavity 120 of humidifier, to be used to cavity 120 being separated into upper cavity 126 and lower chamber 128.Such as Fig. 3 Shown, upper cavity 126 is only used for through air-flow, and lower chamber 128 is used for liquid storage, and when being passed through gas, lower chamber 128 acts also as confession Air-flow flows to the return-air runner of the second through hole 214 from the first through hole 212, that is to say, that 210 lower section of separator is formed with confession Air-flow flows to the return-air runner of the second through hole 214 from the first through hole 212.First through hole 212 is used to be connected to cavity 120 Air inlet 122, the second through hole 214 is used to being connected to the gas outlet 124 of cavity 120, and the gas after humidification is through gas outlet 124 Patient interface is transported to, when being arranged on the structure of upper housing component 112 corresponding to air inlet 122 and gas outlet 124, is based on The buffer action of separator 210 can reduce the possibility that the liquid in lower chamber 128 enters air inlet 122 and gas outlet 124. In order to function well as the effect of anti-overflow, in the vertical direction, the second through hole 214 is set higher than the first through hole 212, is shown Example ground, as shown in figure 5, separator 210 is flat part, which is obliquely installed, the rear end face of separator 210 217 make separator 210 whole in low early and high after setting above front end face 215, and the second through hole 214 is compared to the first through hole 212 closer to rear end face 217, so that the second through hole 214 is set higher than the first through hole 212.In unshowned embodiment, Separator 210 can be stair-stepping structural member, and the second through hole 214 is arranged on high step, and the first through hole 212 is arranged on low On step.

In order to further function as the effect of anti-overflow, gas circuit component 200 further includes the anti-structural member 250 that backflows, the anti-knot that backflows Component 250 is extended downwardly from the lower surface of separator 210 213 corresponding to 212 position of the first through hole, is formed upper coarse and lower fine Horn body.

First guide member 220 is formed on upper surface 211 above separator 210 and air-flow is directed to first passes through every setting out The air inlet runner of through-hole 212 and air-flow is gone out into flow channel from what the second through hole 214 derived.In order to extend in lower chamber 128 Return-air runner path, the second guide member 230 can also be set, and the second guide member 230 is formed on lower surface 213 to extend The path of return-air runner.Illustratively, air inlet runner makes from the air-flow that air inlet 122 enters along the arrow direction a in Fig. 3 and Fig. 7 A → b → c circulates, and going out flow channel makes air-flow be circulated to out from the second through hole 214 via arrow direction f → g in Fig. 7 A Gas port 124, return-air runner make air-flow be circulated to from the first through hole 212 via arrow direction c → d → e (e ') → f in Fig. 3 Second through hole 214.In the case where being not provided with the second guide member 230, circulation of the air-flow in return-air runner is only：From first Through hole 212 is circulated to the second through hole 214 via arrow direction c → k → f in Fig. 3.

Referring to Fig. 7 A, the first guide member 220 includes enclosing part 222 and what is be oppositely arranged directly leads portion 224, enclosing part 222 It is disposed around around the first through hole 212, directly leads portion 224 and be connected to the both ends of enclosing part 222 so that the first guide member integrally has Opening 221, opening 221 is for being directly or indirectly connected to the air inlet 122 of cavity 120, and opening 221 is preferably by removable The mode unloaded is connected to air inlet 122, in order to dismantle and replace, can illustratively, at air inlet 122 be provided with slotting Slot, opening 221 can be inserted into the slot, and the two can be connected by way of grafting in this way.In order to ensure the air-tightness of connection, Sealing element can be set therebetween.In unshowned other embodiment, opening 221 can also use other modes to connect To air inlet 122, no longer various modes are described one by one herein.Preferably, the opening direction of the first guide member 220 is as much as possible Separate second through hole 214, illustratively, when air inlet 122 is using such as set-up mode of Fig. 1, that is, air inlet 122 is arranged on When on the front side wall of upper housing component 112, in order to make the opening direction of the first guide member 220 as far away from the second through hole 214, the first guide member 220 opening using with the second through hole 214 be in diagonally be distributed by the way of set, it is unshowned other In embodiment, the opening of the first guide member 220 can also use other set-up modes, and no longer various modes are retouched one by one herein It states.

Referring to Fig. 7 B, the second guide member 230 includes curved portion 232 and the guidance part 234 being oppositely arranged, curved portion 232 It is disposed around around the first through hole 212, guidance part 234 is connected to 232 both ends of curved portion so that 230 entirety of the second guide member has Opening 231.In the anti-embodiment for backflowing structural member 250 of setting, the second guide member 230 includes curved portion 232 and sets relatively The guidance part 234 put, curved portion 232 are disposed around around the first through hole 212 and positioned at the periphery of horn body, and guidance part 234 connects 232 both ends of curved portion are connected on so that the second guide member 230 is whole to have opening.Preferably, the second guide member 230 is overall U-shaped, The opening direction of second guide member 230 is also not limited to U-shaped far from the second through hole 214,230 entirety of the second guide member, Can be Ω shapes.In this way, the air-flow entered from air inlet 122 circulates along arrow direction a → b → c in Fig. 3 and Fig. 7 A Afterwards, air-flow is circulated to the second through hole 214 from the first through hole 212 via arrow direction c → d → e (e ') → f in Fig. 3, from And circulating path of the gas in cavity 120 can be increased so that gas has time enough and travel distance to be contacted with steam, reaches To the purpose of abundant humidifying, provided for patient and more moisten comfortable gas.

Preferably, go out in flow channel the anti-overflow structure part 240 for being provided with and being connected with the first guide member 220, anti-overflow Structural member 240 is upwardly extended from the upper surface of separator 210.The effect of anti-overflow structure part 240 is further to avoid liquid Body enters to go out in flow channel with what gas outlet 124 connected, and then reduces the possibility that liquid enters gas outlet 124.In order to make gas circuit Component is simple as far as possible, and anti-overflow structure part 240 could be provided as being connected with the enclosing part 222 of the first guide member 220.Show Example ground, anti-overflow structure part 240 are in straight panel shape, when gas outlet 124 is using such as set-up mode of Fig. 1, that is, gas outlet 124 is set It puts when on the front side wall of upper housing component 112, the front end face 215 that anti-overflow structure part 240 is relatively isolated part 210 is vertically set It puts；When being arranged on the rear wall of upper housing component 112 in gas outlet 124, anti-overflow structure part 240 is relatively isolated part 210 Rear end face 217 is vertically arranged；In unshowned other embodiment, anti-overflow structure part 240 can also be relatively isolated part 210 Front end face 215 or rear end face 217 are obliquely installed.

It should be noted that the directional terminology related with gas circuit component involved by this paper, for example, "high", " low ", " preceding ", " rear ", "up" and "down" etc. are for the first direction that gas circuit component is in shown in Fig. 1.As shown in Figure 1, The first direction i.e. gas circuit component direction residing when installing to humidifier, i.e., gas circuit component is under normal operating condition Residing direction.Front refers to device for storing liquid towards the one side of host, conversely, back to host one side for after device for storing liquid Face.

Gas circuit component provided by the utility model can be arranged in the cavity of device for storing liquid, and make gas circuit component every First through hole of off member is connected by air inlet runner with the air inlet of cavity, and the second through hole of gas circuit component is made to pass through Flow channel is connected with the gas outlet of cavity.It is only used for since cavity is separated by the separator of the gas circuit component through air-flow The lower chamber of upper cavity and liquid storage, air inlet runner and goes out flow channel and is located at upper cavity, and return-air runner is located at lower chamber, even if storing up Liquid device shakes, and liquid also is difficult to enter upper cavity, so as to reduce the possibility that liquid enters air inlet and gas outlet.In addition, Due to the presence of the first guide member and the second guide member, the path that gas flows in the cavity is extended, therefore gas can be made Body is sufficiently mixed with the steam after evaporation, and then the gas of outflow is made to have desired humidity and temperature.

In it can pivotally open 112 embodiment of upper housing component relative to lower housing component 114, the first of gas circuit component Through hole 212 can be used as the liquid injection port of device for storing liquid 10, as shown in Figure 8 and Figure 9, during water filling, open upper housing component 112, Liquid injects in the direction of the arrow from the first through hole 212 of separator 210, after fluid injection, closes upper housing component 112, returns To state shown in fig. 5.Using this mode, water flood operations on the one hand can be made convenient；On the other hand, due to the first through hole 212 As liquid injection port, the first through hole 212 limits highest and liquid level can be filled no more than the H points position in Fig. 9, more due to separator 210 entirety are in low early and high after setting, can not be hydraulically full in lower chamber 128, in this way, when shaking device for storing liquid, liquid It hardly enters in upper cavity 126, so as to reduce the possibility that liquid enters air inlet and gas outlet.

In addition, as shown in figs. 5 and 9, the separator 210 of gas circuit component is arranged on lower housing component 114, sealing ring 116 are arranged between separator 210 and lower housing component 114, in this way, being only capable of between upper cavity 126 and lower chamber 128 by One through hole 212 is connected with the second through hole 214.It, can on the inner wall of lower housing component 114 in order to facilitate setting sealing ring 116 To be provided with carrying flange, the separator 210 of gas circuit component, which is put, to be located on carrying flange.

Another aspect according to the present utility model also provides a kind of lung ventilator.The lung ventilator includes host and is carried above The device for storing liquid arrived.Host can have heating element.Heating element can be located at below the cavity of device for storing liquid, can also set It puts in the side of the cavity of device for storing liquid, can also heating element be all set around the cavity of device for storing liquid.About liquid storage Device is referred to the description of corresponding portion above, herein in order to succinctly will not be discussed further.

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 the range of described embodiment.In addition ability Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with It is interior.The scope of protection of the utility model is defined by the appended claims and its equivalent scope.

Claims (10)

1. a kind of gas circuit component for lung ventilator, which is characterized in that including：

Separator, the separator has upper and lower surface, and the first through hole and second are offered on the separator Through hole；And

First guide member, first guide member are formed on the upper surface, every setting out air-flow above the separator It is directed to the air inlet runner of first through hole and air-flow is gone out into flow channel from what second through hole derived；

Wherein, it is formed with the return-air stream for flowing to second through hole from first through hole for air-flow below the separator Road.

2. gas circuit component according to claim 1, which is characterized in that further include the anti-structural member that backflows, the anti-knot that backflows Component corresponds to the described first perforation hole site from the lower surface of the separator and extends downwardly, and forms upper coarse and lower fine loudspeaker Body.

3. gas circuit component according to claim 1, which is characterized in that it is described go out flow channel in be provided with and led with described first Draw the anti-overflow structure part that part is connected, the anti-overflow structure part is upwardly extended from the upper surface of the separator.

4. gas circuit component according to claim 1, which is characterized in that in the vertical direction, second through hole is higher than The first through hole setting.

5. the gas circuit component according to any one of claim 1-4, which is characterized in that first guide member includes：

Enclosing part, the enclosing part are disposed around around first through hole；And

What is be oppositely arranged directly leads portion；

Wherein, the straight portion of leading is connected to the both ends of the enclosing part so that first guide member integrally has opening.

6. gas circuit component according to claim 1, which is characterized in that further include the second guide member, second guide member It is formed on the lower surface to extend the path of the return-air runner.

7. gas circuit component according to claim 6, which is characterized in that second guide member includes：

Curved portion, the curved portion are disposed around around first through hole；And

The guidance part being oppositely arranged；

Wherein, the guidance part is connected to the curved portion both ends so that second guide member integrally has opening.

8. a kind of device for storing liquid, which is characterized in that including：

Housing unit, cavity is formed in the housing unit, and the cavity has air inlet and gas outlet；And

Gas circuit component as described in any one of claim 1-7, the gas circuit component be arranged in the cavity and with it is described Housing unit be enclosed the air inlet runner, it is described go out flow channel and the return-air runner, the separator of the gas circuit component The cavity is separated into upper cavity and lower chamber, the first through hole of the gas circuit component by the air inlet runner with it is described Air inlet is connected, the second through hole of the gas circuit component by it is described go out flow channel be connected with the gas outlet.

9. device for storing liquid according to claim 8, which is characterized in that the housing unit includes upper housing component and lower casing Body component is provided on the upper housing component and matches to form the air inlet runner and the outlet with first guide member The pairing guide member of runner.

10. a kind of lung ventilator, which is characterized in that the lung ventilator includes host and device for storing liquid as claimed in claim 8.