CN102512172B - Expiratory flow sensor and drainage device thereof - Google Patents
Expiratory flow sensor and drainage device thereof Download PDFInfo
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- CN102512172B CN102512172B CN201110376671.4A CN201110376671A CN102512172B CN 102512172 B CN102512172 B CN 102512172B CN 201110376671 A CN201110376671 A CN 201110376671A CN 102512172 B CN102512172 B CN 102512172B
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- flow sensor
- pipe
- expiratory flow
- water accumulation
- draining
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Abstract
A drainage device of an expiratory flow sensor is disclosed, which comprises a water accumulation tube, a moving element, an elastic element and a sealing element. A drainage column is disposed on the bottom of the moving element and slidably disposed in a tube hole at an outlet end in a penetrating manner, and the bottom of the moving element is connected against the outlet end. The elastic element is sleeved on the drainage column and clamped between the moving element and the water accumulation tube, as well as used for providing an elastic restoring force on the moving element. The sealing element is sleeved at the free end of the drainage column and connected against a tube inner wall at the outlet end so as to seal the outlet end, and the sealing element is separated from the water accumulation tube so as to open the water accumulation tube. The moving element is pushed to extrude the elastic element, so that the elastic element generates elastic deformation; and the drainage column moves and drives the sealing element to open the outlet end, so that accumulated water is drained from the outlet end. After the water is drained, the moving element is released, and the elastic element automatically resets and drives the drainage column and the sealing element to reset, so as to seal the position where the outlet end is connected with the drainage column and the water accumulation tube, thereby achieving a sealing effect. The drainage device of an expiratory flow sensor is convenient to operate. The invention further provides an expiratory flow sensor.
Description
[technical field]
The present invention relates to draining field, particularly relate to a kind of expiratory flow sensor and drainage arrangement thereof.
[background technology]
In anesthesia surgery, Anesthetist uses anesthetic machine to do in general anesthesia process to patient, along with respiratory movement, although anesthetic machine, with heating function, can produce condensed water, particularly expiratory flow sensor rear end in integrated circuit, this phenomenon is more obvious, this just needs a kind of device to get rid of this condensed water, to avoid condensed water to stop up integrated circuit, thereby causes and can not carry out normal anesthesia respiration.
At present, the major way of row's hands valve is: drain valve is set as cup-shaped, during draining, need the hands valve draining of the whole row of taking down of rotary rowed water valve, during installation, also need to push in again to rotate, this mode operates comparatively complicated, exist to fill simultaneously and do not attend the meeting and cause and the phenomenon of a large amount of gas leakage be unfavorable for the enforcement in operation process.
[summary of the invention]
Based on this, be necessary to provide a kind of drainage arrangement of the easy to operate and good expiratory flow sensor of sealing.
Drainage arrangement in a kind of expiratory flow sensor comprises:
Water accumulation pipe, has the port of export and the arrival end relative with the described port of export;
Movable part, comprise bottom and be located at the draining post on described bottom, described draining post is arranged in the pore of the described port of export slidably, and the bottom of described movable part and the described port of export connects;
Elastic component, is sheathed on described draining post, and is held between described movable part and described water accumulation pipe, provides elastic-restoring force on described movable part; And
Sealing member, is sheathed on the free end of described draining post, and connects to seal described water accumulation pipe with described water accumulation pipe, and described sealing member is separated with described water accumulation pipe and open described water accumulation pipe.
Further, described water accumulation pipe is stepped, comprise Large Diameter Pipeline portion, pipe with small pipe diameter portion and connect described Large Diameter Pipeline portion and the stage portion of described pipe with small pipe diameter portion, the described port of export is formed at one end away from described stage portion of described pipe with small pipe diameter portion, one end of described elastic component is sheathed in described pipe with small pipe diameter portion, and the bottom of described movable part and described stage portion connect.
Further, described sealing member is sealing gasket, and described draining post is provided with the annular stop part connecting with described sealing member, and described sealing member can be clamped between described stop part and the arrival end of described pipe with small pipe diameter portion.
Further, described sealing member is sealing ring, and the free end of described draining post is provided with annular groove, and described sealing member is sheathed in described groove.
Further, on the sidewall of described draining post, offer rhone, described rhone extends to described groove from the bottom of described draining post.
Further, described rhone is a plurality of, and each rhone extending axially along described draining post.
Further, described movable part also comprises the annular splendid attire portion of extending towards a side at described draining post place from the periphery of described bottom, an accepting groove of the common formation in described splendid attire portion and described bottom.
Further, described splendid attire portion can be sheathed in described Large Diameter Pipeline portion.
Further, described bottom outside is provided with draining handle, promotes described draining handle described draining post is moved along described through hole.
The present invention also provides a kind of expiratory flow sensor.Described expiratory flow sensor comprises:
Gas return path;
Main body lower cover, collects the condensed water that described gas return path produces; And
Drainage arrangement, described drainage arrangement is located at one end of described expiratory flow sensor, and is connected with described main body lower cover, discharges the condensed water of collecting.
The drainage arrangement of above-mentioned expiratory flow sensor comprises water accumulation pipe, draining post, movable part, elastic component and sealing member.First elastic component is set on the draining post of described movable part, and is held between movable part and water accumulation pipe, to provide an elastic-restoring force on movable part.Again draining post is penetrated in the pore of the port of export of water accumulation pipe, sealing member is connected with the free end of draining post, the link position of sealing draining post and water accumulation pipe.Because draining post is arranged in the management and control of the port of export, and can slidably be connected with water accumulation pipe, so while using, promote movable part, extruding elastic component, is elastic component generation elastic deformation, the motion of draining post, band dynamic seal is opened the port of export, and hydrops is discharged from the port of export.After drained water, unclamp movable part, elastic component automatically resets, and drives draining post and sealing member to reset, and the position that the sealing port of export and draining post are connected with water accumulation pipe, reaches sealing effectiveness.Easy to operate, and can guarantee that drainage arrangement again reaches the effect of sealing after use simultaneously.
The expiratory flow sensor that the present invention also provides.In using the process of this expiratory flow sensor, because expiration runs into gas return path generation condensation, produce condensed water, and by main body lower cover, in the rear end of expiratory flow sensor, collect the condensed water producing in this gas return path.Drainage arrangement is located at one end of this expiratory flow sensor, and is connected with main body lower cover, and the condensed water that main body lower cover is collected is discharged.Because drainage arrangement has good sealing, guarantee in drainage procedure, expiratory flow sensor also has higher sealing, has improved the result of use of expiratory flow sensor.
[accompanying drawing explanation]
Fig. 1 is the structural representation of drainage arrangement of the expiratory flow sensor of an embodiment;
Fig. 2 is the structural representation of the movable part of the drainage arrangement of expiratory flow sensor shown in Fig. 1;
Fig. 3 is the cutaway view of the movable part of the drainage arrangement of expiratory flow sensor shown in Fig. 1;
Fig. 4 is the structural representation of the expiratory flow sensor of an embodiment.
[specific embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provided preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is make the disclosure of the present invention understand more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, can directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the drainage arrangement 100 of the expiratory flow sensor of the present embodiment comprises water accumulation pipe 110, movable part 120, elastic component 130 and sealing member 140.
Be appreciated that groove 126 can omit, now sealing member 140 is directly fixedly connected on draining post 124.Draining post 124 is provided with rhone 128 makes drainage procedure quick, rapidly.Rhone 128 also can omit, and in the time of draining, hydrops can be directly flows out along the sidewall of draining post 124.
Be appreciated that the one end due to elastic component 130 can also be sheathed in pipe with small pipe diameter portion 114, the bottom 122 of the other end of elastic component 130 and movable part 120 connects.Elastic component 130 holds mutually with the lateral wall of pipe with small pipe diameter portion 114, and fixedly the link position of elastic component 130, prevents that elastic component 130 misplaces, and affects the direction of elastic component 130 restoring forces, affects the reset case of movable part 120 in extruding elastic component 130.
Be appreciated that sealing member 140 can also be sealing gasket, draining post 124 is provided with the annular stop part (not shown) connecting with sealing member 140, and sealing member 140 can be clamped between stop part and the arrival end of pipe with small pipe diameter portion 114.
It is pointed out that on the lateral wall of water accumulation pipe 110 and can also be provided with boss (not shown), elastic component 120 is sheathed on draining post 124, and elastic component 130 is connected between boss and the bottom 122 of movable part 120.Pushing movable part 120, makes draining post 124 stretch out water accumulation pipe 110, and sealing member 140 and water accumulation pipe 110 are separated, and opens water accumulation pipe 110, and hydrops is discharged along draining post 124.After draining is complete, unclamp movable part 120, elastic component 130 automatically resets, and draining is convenient.
The one end that is appreciated that elastic component 130 is fixedly connected with the free-ended of draining post 124, and the other end is fixedly connected with the tube wall of the port of export of pipe with small pipe diameter portion 114.In the time of draining, promote movable part 120, draining post 124 is upwards ejected, because the other end of elastic component 130 is fixed on the tube wall of pipe with small pipe diameter portion 114, tensile elasticity part 130.When draining finishes, unclamp movable part 120, the automatic retracted for clearance of elastic component 130, drives draining post 124 to reset, and finally reaches the effect of sealing.
As shown in Figure 4, the present invention also provides a kind of expiratory flow sensor 200.The expiratory flow sensor 200 of present embodiment comprises gas return path (not shown), main body lower cover 220 and above-mentioned drainage arrangement 100.
Gas return path in the course of the work, contacts with breathing gas and can produce condensed water.
Main body lower cover 220 is collected the condensed water that gas return path produces.
The drainage arrangement 100 of above-mentioned expiratory flow sensor is positioned at one end of expiratory flow sensor 200, and is connected with main body lower cover 220, discharges the condensed water of expiratory flow sensor.
Above-mentioned drainage arrangement 100 is in installation process, first elastic component 130 is set on draining post 124, again draining post 124 is arranged in the pore of pipe with small pipe diameter portion 114 of water accumulation pipe 110, and the free end of draining post 124 is provided with groove 126, sealing member 140 is annular, sealing member 140 is fastened in groove 126 to the position of positioning seals 140, and the link position of sealing member 140 sealing draining posts 124 and water accumulation pipe 110.Specifically in drainage procedure, the interior hydrops that stored of water accumulation pipe 110, promote movable part 120, drive 124 motions of draining post, draining post 124 stretch to water accumulation pipe 110 in portion, so it is separated with water accumulation pipe 110 to be positioned at the free-ended sealing member 140 of draining post 124, the hydrops being stored in water accumulation pipe 110 flow in the accepting groove of movable part 120 along the rhone 128 having on draining post 124.By extruding, the distance between movable part 120 and water accumulation pipe 110 reduces, the water in accepting groove can with water accumulation pipe 110 relative motioies in, by water accumulation pipe 110, squeezed, water is from the gap discharge between movable part 120 and water accumulation pipe 110 sidewalls.
When emptying hydrops, only need unclamp movable part 120, because elastic component 130 is compressed, when unclamping movable part 120, elastic component 130 automatically resets, and the restoring force of elastic component 130 promotes movable part 120 and gets back to initial position.Because the one end at draining post 124 is fixed with sealing member 140, sealing member 140 connects to seal water accumulation pipe 110 with water accumulation pipe 110, and sealing member 140 is separated with water accumulation pipe 110 and open water accumulation pipe 110.When sealing member 140 moves to the pore place of pipe with small pipe diameter portion 114, sealing member 140, in the pore place of pipe with small pipe diameter portion 114, makes movable part 120 stop motions on the one hand, seals on the other hand the link position of draining post 124 and water accumulation pipe 110.Even if so when elastic component 130 is automatically reset, can, because elastic force is excessive, draining post 124 be ejected in the pore of pipe with small pipe diameter portion 114 yet.The groove 126 that draining post 124 is offered, sealing member 140 is fastened in groove 126, prevents that sealing member 140 from displacement or dislocation occurring, and guarantee the normal use of drainage arrangement 100.Because rhone 128 is offered to groove 126, the top of draining post 124 is sealed, the pore of pipe with small pipe diameter portion 114 of sealing water accumulation pipe 110, and the link position of the further draining post 124 of sealing member 140 and water accumulation pipe 110, has strengthened the sealing of drainage arrangement 100.Drainage arrangement 100 is simple in structure, assembling, easy to operate, and whole drain operation only needs jack-up and unclamps movable part 120 to complete drain operation, and can guarantee the sealing of drainage arrangement 100 simultaneously.
In the use procedure of above-mentioned expiratory flow sensor 200, in the rear end of expiratory flow sensor 200, because expiration runs into gas return path generation condensation, produce condensed water, and by main body lower cover 220, collect the condensed water producing in this gas return path.Drainage arrangement 100 is located at one end of this expiratory flow sensor 200, and is connected with main body lower cover 220, and the condensed water that main body lower cover 220 is collected is discharged.Because drainage arrangement 100 has good sealing, guarantee in drainage procedure, expiratory flow sensor 200 also has higher sealing, has improved the result of use of expiratory flow sensor 200.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a drainage arrangement for expiratory flow sensor, is characterized in that, comprising:
Water accumulation pipe, has the port of export and the arrival end relative with the described port of export;
Movable part, comprise bottom and be located at the draining post on described bottom, described draining post is arranged in the pore of the described port of export slidably, and the bottom of described movable part and the described port of export connects;
Elastic component, is sheathed on described draining post, and is held between described movable part and described water accumulation pipe, provides elastic-restoring force on described movable part; And
Sealing member, is sheathed on the free end of described draining post, and connects to seal described water accumulation pipe with described water accumulation pipe, and described sealing member is separated with described water accumulation pipe and open described water accumulation pipe.
2. the drainage arrangement of expiratory flow sensor according to claim 1, it is characterized in that, described water accumulation pipe is stepped, comprise Large Diameter Pipeline portion, pipe with small pipe diameter portion and connect described Large Diameter Pipeline portion and the stage portion of described pipe with small pipe diameter portion, the described port of export is formed at one end away from described stage portion of described pipe with small pipe diameter portion, one end of described elastic component is sheathed in described pipe with small pipe diameter portion, and the bottom of described movable part and described stage portion connect.
3. the drainage arrangement of expiratory flow sensor according to claim 1, it is characterized in that, described sealing member is sealing gasket, and described draining post is provided with the annular stop part connecting with described sealing member, and described sealing member can be clamped between described stop part and described arrival end.
4. the drainage arrangement of expiratory flow sensor according to claim 1, is characterized in that, described sealing member is sealing ring, and the free end of described draining post is provided with annular groove, and described sealing member is sheathed in described groove.
5. the drainage arrangement of expiratory flow sensor according to claim 4, is characterized in that, on the sidewall of described draining post, offers rhone, and described rhone extends to described groove from the bottom of described draining post.
6. the drainage arrangement of expiratory flow sensor according to claim 5, is characterized in that, described rhone is a plurality of, and each rhone extending axially along described draining post.
7. the drainage arrangement of expiratory flow sensor according to claim 2, it is characterized in that, described movable part also comprises the annular splendid attire portion of extending towards a side at described draining post place from the periphery of described bottom, an accepting groove of the common formation in described splendid attire portion and described bottom.
8. the drainage arrangement of expiratory flow sensor according to claim 7, is characterized in that, described splendid attire portion can be sheathed in described Large Diameter Pipeline portion.
9. the drainage arrangement of expiratory flow sensor according to claim 2, is characterized in that, described bottom outside is provided with draining handle, promotes described draining handle described draining post is moved along the pore of described pipe with small pipe diameter portion.
10. an expiratory flow sensor, is characterized in that, comprising:
Gas return path;
Main body lower cover, collects the condensed water that described gas return path produces; And
Drainage arrangement as described in claim 1～9 any one, described drainage arrangement is located at one end of described expiratory flow sensor, and is connected with described main body lower cover, discharges the condensed water of collecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110376671.4A CN102512172B (en) | 2011-11-23 | 2011-11-23 | Expiratory flow sensor and drainage device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110376671.4A CN102512172B (en) | 2011-11-23 | 2011-11-23 | Expiratory flow sensor and drainage device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102512172A CN102512172A (en) | 2012-06-27 |
| CN102512172B true CN102512172B (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110376671.4A Active CN102512172B (en) | 2011-11-23 | 2011-11-23 | Expiratory flow sensor and drainage device thereof |
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| CN112915416B (en) * | 2021-03-23 | 2022-04-05 | 何娟 | Can collect breathing and produce comdenstion water and prevent respirator that drips |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958087A (en) * | 2005-09-06 | 2007-05-09 | 通用电气公司 | Room temperature heat exchanger for breathing circuit |
| CN201184799Y (en) * | 2007-11-14 | 2009-01-21 | 深圳迈瑞生物医疗电子股份有限公司 | Flow sensor and installation component thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011075030A1 (en) * | 2009-12-18 | 2011-06-23 | Maquet Critical Care Ab | Gas meter for ultrasound measurements in a breathing apparatus |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958087A (en) * | 2005-09-06 | 2007-05-09 | 通用电气公司 | Room temperature heat exchanger for breathing circuit |
| CN201184799Y (en) * | 2007-11-14 | 2009-01-21 | 深圳迈瑞生物医疗电子股份有限公司 | Flow sensor and installation component thereof |
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| CN102512172A (en) | 2012-06-27 |
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