CN204017069U - A kind of continuous positive pressure venti lation therapy apparatus and air intake structure thereof - Google Patents
A kind of continuous positive pressure venti lation therapy apparatus and air intake structure thereof Download PDFInfo
- Publication number
- CN204017069U CN204017069U CN201420477493.3U CN201420477493U CN204017069U CN 204017069 U CN204017069 U CN 204017069U CN 201420477493 U CN201420477493 U CN 201420477493U CN 204017069 U CN204017069 U CN 204017069U
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- China
- Prior art keywords
- air inlet
- lid
- intake structure
- gas filtration
- filtration part
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- 238000009423 ventilation Methods 0.000 title claims abstract description 41
- 238000002560 therapeutic procedure Methods 0.000 title claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 65
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 abstract description 24
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- 201000002859 sleep apnea Diseases 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
This utility model relates to a kind of continuous positive pressure venti lation therapy apparatus and air intake structure thereof, overcomes filter cotton in current continuous positive pressure venti lation therapy apparatus and can utilize area compared with little and can not make full use of the deficiency of full wafer filter cotton.This air intake structure comprises: the air inlet seat that is provided with through hole and a plurality of the first support members; Can cover in air inlet seat and form the lid of cavity with air inlet seat, lid is provided with air inlet and/or air inlet duct; And be arranged at the gas filtration part in cavity, gas filtration part contact between a plurality of the first support member lids and not with lid on air inlet and/or air inlet duct laminating.Embodiment of the present utility model has guaranteed that gas filtration part can not stop up air flue because gas flow is pressed on through hole, has increased the overall utilization rate of gas filtration part.Embodiment of the present utility model can avoid gas filtration part to rock in by air inlet seat and the formed cavity of lid or follows air-flow and move in cavity.
Description
Technical field
This utility model relates to continuous positive pressure venti lation therapy apparatus field, relates in particular to a kind of air intake structure and continuous positive pressure venti lation therapy apparatus thereof that is used for the treatment of the continuous positive pressure venti lation therapy apparatus of sleep apnea syndrome.
Background technology
Continuous positive pressure venti lation therapy apparatus is the device that a kind of normal physiological that can replace, control or change people is breathed, and can treat sleep apnea syndrome.It improves respiratory function or alleviates work of breathing consumption by increasing pulmonary ventilation volume, thereby saves the reserve capabillity of heart.
In continuous positive pressure venti lation therapy apparatus of the prior art, be generally all provided with filter cotton and to entering the air of continuous positive pressure venti lation therapy apparatus, filter being used for.Filter cotton operated by rotary motion is at the air intake place of continuous positive pressure venti lation therapy apparatus, certain position by a lid tegmentum on continuous positive pressure venti lation therapy apparatus housing.When air enters continuous positive pressure venti lation therapy apparatus, need to first through filter cotton, filter, then by air inlet, enter the inside of continuous positive pressure venti lation therapy apparatus.The area of filter cotton is all greater than the sectional area of this air inlet conventionally, guarantees that filter cotton still can cover after sliding on this air inlet to filter entering the air of this air inlet, has also reduced and install and the task difficulty of changing filter cotton simultaneously.
But, because continuous positive pressure venti lation therapy apparatus is when working, the formed suction of air that is inhaled into continuous positive pressure venti lation therapy apparatus is only adsorbed on filter cotton on this air inlet, thereby filter cotton only has the part that covers this air inlet to play air filtration effect, and periphery remainder mainly plays the effect on air inlet by filter cotton integrated support, fail to obtain good utilization.
And a slice filter cotton is through use after a while, the part corresponding with air inlet can reduce filtration effect because of the accumulation of dust etc., and now periphery remainder, but still close to untapped state, has formed larger waste undoubtedly.And owing to only depending on filter cotton to filter corresponding to the part of air inlet, the meeting such as dust run-up is in this part, thereby the service life of full wafer filter cotton is also comparatively limited.
Continuous positive pressure venti lation therapy apparatus of the prior art fails to limit well filter cotton in the activity in the formed container cavities such as lid, thereby making continuous positive pressure venti lation therapy apparatus under previously in running order when quitting work, filter cotton can fall in container cavity from air inlet.Although it is less that this falls active force, can not avoid being originally adsorbed on dust on filter cotton, impurity etc. and be sprinkled upon in this container cavity.When this will cause start continuous positive pressure venti lation therapy apparatus next time, being sprinkled upon dust in container cavity etc., with regard to likely crossing filter cotton, directly to enter continuous positive pressure venti lation therapy apparatus inner, for user sends into unclean air.Embodiment of the present utility model has limited the activity of the gas filtration parts such as filter cotton by support member etc., gas filtration part can not fall in by air inlet seat and the formed cavity of lid because continuous positive pressure venti lation therapy apparatus quits work, thereby has avoided well filter cotton to spill because falling the situation appearance that dust enters.
Utility model content
Technical problem to be solved in the utility model is to overcome filter cotton in current continuous positive pressure venti lation therapy apparatus can utilize area compared with little and can not make full use of the deficiency of full wafer filter cotton.
First embodiment of the present utility model provides a kind of air intake structure for continuous positive pressure venti lation therapy apparatus, and described air intake structure comprises: the air inlet seat that is provided with through hole and a plurality of the first support members; Can cover the lid that forms cavity in described air inlet seat with described air inlet seat, described lid is provided with air inlet and/or air inlet duct; And be arranged at the gas filtration part in described cavity, described gas filtration part contact described in described a plurality of the first support members between lid and not with described lid on air inlet and/or air inlet duct laminating.
Preferably, described lid is provided with a plurality of second support members corresponding with described a plurality of the first support members, and described gas filtration part contact is described in described a plurality of the first support members between a plurality of the second support members; Or described lid comprises bump and bump not, described bump and do not there is difference in height between bump; Described air inlet and/or air inlet duct are arranged on described bump, described a plurality of the first support members by described gas filtration part contact at described not bump.
Preferably, described air inlet seat comprises diapire and around the annular chamber wall of described diapire, described through hole and described a plurality of the first support member are all arranged on described diapire.
Preferably, the described through hole arranging in described air inlet seat has the edge that exceeds described diapire.
Preferably, the height at described edge is lower than the height of described the first support member.
Preferably, the shape of described gas filtration part comprises lamellar.
Preferably, described lid comprises roof and the sidewall forming around described top wall circumference at least a portion, and described air inlet and/or air inlet duct are arranged on described roof and/or described sidewall.
Preferably, described a plurality of the first support member and/or described a plurality of the second support member comprise post supports or plate support.
Preferably, when described a plurality of the first support members and/or described a plurality of the second support member are described plate support, in described plate support, be with porose or breach.
Embodiment of the present utility model also provides a kind of continuous positive pressure venti lation therapy apparatus, comprises air intake structure as above.
In embodiment more of the present utility model, the support member arranging in air inlet seat can support gas filtration part so that gas filtration part and through hole keep certain distance, guaranteed that gas filtration part can not stop up air flue because gas flow is pressed on through hole, thereby can utilize the everywhere of gas filtration part, increased the overall utilization rate of gas filtration part, there will not be in prior art and only use corresponding to the part of this through hole and the situation of idle remainder because gas filtration part is attached on through hole.Embodiment more of the present utility model are clipped in gas filtration part between air inlet seat and lid, can avoid gas filtration part to rock in by air inlet seat and the formed cavity of lid or follow air-flow and move in cavity.
Accompanying drawing explanation
To this utility model, be described in more detail based on embodiment and with reference to accompanying drawing hereinafter.
Fig. 1 is the structural representation of the first embodiment of the air intake structure of continuous positive pressure venti lation therapy apparatus of the present utility model.
Fig. 2 is the structural representation of the second embodiment of the air intake structure of continuous positive pressure venti lation therapy apparatus of the present utility model.
Fig. 3 is lid in some embodiment of air intake structure of the continuous positive pressure venti lation therapy apparatus of the present utility model structural representation under the first visual angle.
Fig. 4 is the structural representation of lid shown in Fig. 3 under the second visual angle.
In the accompanying drawings, identical parts are used identical Reference numeral.Accompanying drawing is not according to actual scaling.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the air intake structure for continuous positive pressure venti lation therapy apparatus of this utility model embodiment mainly comprises air inlet seat 1, lid 2 and gas filtration members 3.Air inlet seat 1 is provided with through hole 13 and a plurality of the first support member 14.Lid 2 can cover in air inlet seat 1, forms cavity together with air inlet seat 1.Gas filtration part 3 is positioned at lid 2 and formed this cavity of air inlet seat 1.Between a plurality of first support members 14 and lid 2 of gas filtration part 3 contacts in air inlet seat 1, the gas of being convenient to entering this cavity from outside through this lid 2 filters, and then enters into the through hole 13 of air inlet seat 1 and enters into the inside of continuous positive pressure venti lation therapy apparatus 10.Gas filtration part 3 is supported by the first support member 14, when continuous positive pressure venti lation therapy apparatus 10 work, can not entered air adsorption in continuous positive pressure venti lation therapy apparatus 10 to through hole 13 and be covered through hole 13, thereby be convenient to can enter into swimmingly through hole 13 through the air of gas filtration part 3, simultaneously gas filtration part 3 also can be integrally to the air of process filter, and can only not use the part suitable with through hole 13 sectional areas to filter air.
Lid 2 is provided with air inlet 21, between the air inlet 21 on gas filtration part 3 and lid 2, retains a determining deviation.Because the existence of this spacing, gas filtration part 3 can not touch this air inlet 21.And when continuous positive pressure venti lation therapy apparatus 10 work, the air that enters continuous positive pressure venti lation therapy apparatus 10 can make gas filtration part 3 produce that trace towards air inlet seat 1 moves and/or micro-deformation and more away from the air inlet 21 on lid 2.Thereby no matter whether continuous positive pressure venti lation therapy apparatus 10 is in running order, gas filtration part 3 all not can and lid 2 on air inlet 21 between laminating, be convenient to the air inlet 21 of extraneous air on lid 2 and enter swimmingly this cavity finally entering in continuous positive pressure venti lation therapy apparatus 10.
In other embodiment of the present utility model, as shown in Figure 2, air inlet duct 24 also can be set to replace air inlet 21 on lid 20, or air inlet duct 24 and air inlet 21 are set simultaneously.This air inlet duct 24 can be that (such as the different parts of same side, or the connecting portion of adjacent two sides) forms breach or gap and form on lid 20 between different parts.
Similarly, between the air inlet duct 24 on gas filtration part 3 and lid, also retain at regular intervals and can not fit.Through hole 13 on the flow direction of gas with lid on air inlet 21 or air inlet duct 24 stagger, can further prevent gas filtration part 3 by gas absorption in through hole 13.
In embodiment of the present utility model, gas filtration part 3 can be filter cotton.In one embodiment, the shape of filter cotton and the shape of cavity are roughly the same.Preferably, gas filtration part 3 in the form of sheets, can assemble more easily gas filtration part 3.
As shown in Figure 1, in embodiment of the present utility model, air inlet seat 1 comprises diapire 17 and is centered around diapire 17 annular chamber wall 11 around.Through hole 13 in air inlet seat 1 is arranged on diapire 17.Through hole 13 and those first support members 14 are arranged in the space that annular chamber wall 11 surrounds.The space that annular chamber wall 11 surrounds is a part for aforementioned cavity.
As shown in Figure 1, in embodiment of the present utility model, lid 2 can comprise roof 22 and the sidewall 23 forming around roof 22 periphery at least a portion.In embodiment shown in Fig. 2, lid 20 comprises roof 32 and the sidewall 33 forming around roof 32 periphery at least a portion; Air inlet duct 24 is arranged on sidewall 33.Certainly, air inlet duct 24 being arranged on is equally also feasible on roof 32.
In embodiment of the present utility model, air inlet 21 or air inlet duct 24 are arranged on the roof of lid, outside air is when entering via lid the cavity that holds gas filtration part 3, and air mainly enters into this cavity in the mode perpendicular to roof.After the filtration through gas filtration part 3, along the through hole 13 in air inlet seat 1, axially enter into continuous positive pressure venti lation therapy apparatus 10 inside.Under this situation, gas enters into the approach axis of air inlet 21 or air inlet duct 24 from outside, and the approach axis that enters through hole 13 with gas in cavity is identical.
In other embodiment of the present utility model, air inlet 21 or air inlet duct 24 are arranged on the sidewall of lid, outside air is when entering via lid the cavity that holds gas filtration part 3, and air mainly enters into this cavity in the mode perpendicular to sidewall.After the filtration through gas filtration part 3, along the through hole 13 in air inlet seat 1, axially enter into continuous positive pressure venti lation therapy apparatus 10 inside.Under this situation, gas enters into the approach axis of air inlet 21 or air inlet duct 24 from outside, and the approach axis that enters through hole 13 with gas in cavity is 90 degree.
In embodiment of the present utility model, air inlet seat and lid can connect as one by the mode of engaging, lid can be taken off from air inlet seat under external force.As shown in Figure 1, on the annular chamber wall 11 of air inlet seat 1, buckle 15 is set, lid 2 is provided with bayonet socket 25 in lid position corresponding with buckle 15 in air inlet seat 1 time.By the buckle 15 in air inlet seat 1 and the bayonet socket 25 on lid 2, match, can realize the engagement connection of air inlet seat 1 and lid 2.Certainly, bayonet socket being arranged on the annular chamber wall 11 of air inlet seat 1 and buckle is arranged on lid 2 correspondence positions, is equally also feasible.
In the embodiment shown in Figure 2, the effect of bayonet socket 35 is identical with the effect of middle bayonet socket 25 embodiment illustrated in fig. 1.
On lid shown in Fig. 1 and Fig. 2, take and be provided with an air inlet or air inlet duct and illustrated how extraneous gas enters into by air inlet seat and the formed cavity of lid as example.Fig. 3 and Fig. 4 show the lid 8 that another kind is provided with the air inlet 81 that a plurality of sizes are less.This lid 8 also comprises roof 82 and the sidewall 83 forming around roof 82 periphery at least a portion.Those air inlets 81 are arranged on roof 82.Certainly, those air inlets 81 being arranged on sidewall 83, is also feasible.And, at roof 82 and sidewall 83, be provided with air inlet 81, be equally also feasible.
As shown in Figure 1, in embodiment of the present utility model, the through hole 13 arranging in air inlet seat 1 can have the edge 16 that exceeds diapire 17.The height at this edge 16 is lower than the height of the first support member 14.Due to the height at the edge 16 of through hole 13 height lower than the first support member 14, so gas filtration part 3 can not cover through hole 13 because of the support of the first support member 14.
As shown in Figure 2, in embodiment more of the present utility model, on lid 20, also can be provided with air inlet seat 1 as shown in Figure 1 on a plurality of the second support members 36 of being oppositely arranged of those first support members 14.Gas filtration part 3 is clipped between the first support member and the second support member.
In embodiment more of the present utility model, as shown in Figure 1, the first support member 14 can be the post supports of a plurality of each intervals, can effectively support gas filtration part 3.As shown in Figure 2, the second support member 36 can be the plate support of a plurality of each intervals, so that processing and layout.And post supports coordinates the combination of plate support, can also make a side of gas filtration part 3 stressed for point, a side is that line is stressed, thereby prevents gas filtration part 3 from producing gauffers and affect gas filtration effect.
Further, be positioned at the size of each post supports in air inlet seat roughly the same.Due near near through hole 13 and to be positioned at the gas filtration part 3 of through hole 13 positions stressed larger, therefore along through hole 13 be circumferentially with a circle near the post supports of through hole 13, to prevent that gas filtration part 3 is adsorbed in through hole 13.
In addition, at the edge of cavity, post supports is also all set, to prevent that the edge of air supporting part from bending.When post supports is set, should make the distance between two adjacent post supports be unlikely to far away, or post supports was unlikely to far away apart from annular chamber wall, to prevent that gas filtration part 3 from producing folds.
The plate support being positioned on lid is parallel to each other, so that design and processing.And at least one end of plate support and the sidewall of lid that are positioned at the both sides of air inlet 21 or air inlet duct 24 are close or butt, and are provided with the breach that runs through its both sides in plate support.Like this, what can make gas filtration part 3 all has gas flow mistake everywhere, thereby each position of gas filtration part 3 is all played a role in filtering, and then can effectively prevent that gas filtration part 3 from causing waste etc.In an example, the relative roof of plate support, middle part is compared with short and two ends are higher, thereby gas is flow through from the middle part of plate support, and the two ends fixed gas filtration members 3 of plate support.Certainly, hole etc. also can be set at the middle part of plate support is that air passes through.
Certainly, the first support member can be also plate support.The second support member can be also post supports etc.When the first support member or the second support member are post supports, its shape can be cylindric, oval column, rectangle column or triangle column etc.
In other embodiment of the present utility model, lid also can be arranged to other shapes and structure.Such as, a kind of lid can be to comprise bump and bump not, bump and do not there is difference in height between bump.Air inlet on lid and/or air inlet duct are arranged on this bump, and a plurality of the first support members on lid can be by gas filtration part contact at bump not.Such as, the roof of lid can be arc convex, air inlet and/or air inlet duct can be arranged on this arc convex.This embodiment equally also can guarantee gas filtration part not can with lid on air inlet and/or air inlet duct fit and make extraneous air via the integral body of gas filtration part the non local cavity being formed by lid and air inlet seat that enters into.
The invention also discloses the continuous positive pressure venti lation therapy apparatus that comprises above-mentioned air intake structure.
Although this utility model is described with reference to preferred embodiment, in the situation that not departing from scope of the present utility model, can carries out various improvement and can replace parts wherein with equivalent it.Especially, only otherwise have structural hazard, every technical characterictic of mentioning in each embodiment all can combine in any way.This utility model is not limited to disclosed specific embodiment in literary composition, but comprises all technical schemes in the scope that falls into claim.
Claims (10)
1. for an air intake structure for continuous positive pressure venti lation therapy apparatus, it is characterized in that, described air intake structure comprises:
Be provided with the air inlet seat of through hole and a plurality of the first support members;
Can cover the lid that forms cavity in described air inlet seat with described air inlet seat, described lid is provided with air inlet and/or air inlet duct; And
Be arranged at the gas filtration part in described cavity, described gas filtration part contact described in described a plurality of the first support members between lid and not with described lid on air inlet and/or air inlet duct laminating.
2. air intake structure according to claim 1, is characterized in that:
Described lid is provided with a plurality of second support members corresponding with described a plurality of the first support members, and described gas filtration part contact is described in described a plurality of the first support members between a plurality of the second support members; Or
Described lid comprises bump and bump not, described bump and do not have difference in height between bump; Described air inlet and/or air inlet duct are arranged on described bump, described a plurality of the first support members by described gas filtration part contact at described not bump.
3. air intake structure according to claim 1 and 2, is characterized in that:
Described air inlet seat comprises diapire and around the annular chamber wall of described diapire, described through hole and described a plurality of the first support member are all arranged on described diapire.
4. air intake structure according to claim 3, is characterized in that:
The described through hole arranging in described air inlet seat has the edge that exceeds described diapire.
5. air intake structure according to claim 4, is characterized in that:
The height at described edge is lower than the height of described the first support member.
6. air intake structure according to claim 1 and 2, is characterized in that:
The shape of described gas filtration part comprises lamellar.
7. air intake structure according to claim 1 and 2, is characterized in that:
Described lid comprises roof and the sidewall forming around described top wall circumference at least a portion, and described air inlet and/or air inlet duct are arranged on described roof and/or described sidewall.
8. air intake structure according to claim 2, is characterized in that:
Described a plurality of the first support member and/or described a plurality of the second support member comprise post supports or plate support.
9. air intake structure according to claim 8, is characterized in that:
When described a plurality of the first support member and/or described a plurality of the second support member are described plate support, in described plate support, be with porose or breach.
10. a continuous positive pressure venti lation therapy apparatus, is characterized in that, comprises the air intake structure as described in any one claim in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420477493.3U CN204017069U (en) | 2014-08-22 | 2014-08-22 | A kind of continuous positive pressure venti lation therapy apparatus and air intake structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420477493.3U CN204017069U (en) | 2014-08-22 | 2014-08-22 | A kind of continuous positive pressure venti lation therapy apparatus and air intake structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204017069U true CN204017069U (en) | 2014-12-17 |
Family
ID=52056985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420477493.3U Expired - Lifetime CN204017069U (en) | 2014-08-22 | 2014-08-22 | A kind of continuous positive pressure venti lation therapy apparatus and air intake structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204017069U (en) |
-
2014
- 2014-08-22 CN CN201420477493.3U patent/CN204017069U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200428 Address after: 610000, No. 1, No. 1206, Cheng Cheng international city, Cheng Yu interchange, Chengdu, Sichuan, Chenghua District Patentee after: Cha Sijing Address before: 601, room 1, unit 15, Nordic Town, Yanjiao Town, Langfang, Hebei, Sanhe 065201, China Patentee before: Xiao Aijun |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
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| CX01 | Expiry of patent term |