CN107606264B - Medical air volume regulating device - Google Patents
Medical air volume regulating device Download PDFInfo
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- CN107606264B CN107606264B CN201710765406.2A CN201710765406A CN107606264B CN 107606264 B CN107606264 B CN 107606264B CN 201710765406 A CN201710765406 A CN 201710765406A CN 107606264 B CN107606264 B CN 107606264B
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- adjustable plate
- tolerance
- venthole
- gas
- control unit
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 13
- 239000013013 elastic material Substances 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The present invention relates to tolerance control fields, more particularly to a kind of medical air volume regulating device, it is mounted in the pipeline that gas flows through, including fixed control unit and variation control unit, fixed control unit includes the fixed plate being radially arranged in pipeline, the top of the fixed plate is equipped with the first venthole, and the lower part of the fixed plate is equipped with tolerance adjustment hole；Changing control unit includes adjustable plate, and the adjustable plate is located at the downstream of fixed plate, is hinged on pipeline in the middle part of adjustable plate, and the top of the adjustable plate is equipped with several second ventholes, and the lower part of the adjustable plate is equipped with the circular cone for cooperating tolerance adjustment hole to switch；Gas adapter cavity is formed between the fixed plate and adjustable plate；The adjustable plate is radially equipped with exhaust passage, which is connected to gas adapter cavity, and the inlet of the exhaust passage is equipped with check valve.By implementing the technical program, to reach when input tolerance is excessive, guarantee the effect of the tolerance of using terminal in the normal range.
Description
Technical field
The present invention relates to tolerance control field more particularly to a kind of medical air volume regulating devices.
Background technique
When in use, gas circulation can increase due to emergency case and suddenly or stop suddenly some aeration equipments,
It will lead to using terminal and be abnormal phenomenon, the appearance of the above problem in order to prevent, is usually arranged in the duct in the prior art
Tolerance monitoring device just controls the air flux of equipment gas outlet when finding that gas circulation is excessive or stops, and is reached with this
The purpose that tolerance is adjusted.But this mode the problem is that: could only be examined after the tolerance in flow ipe goes wrong
It measures and starts to adjust, but the gas of the exception has had been introduced into using terminal.Therefore need to design a kind of on-line control gas
Flux avoids gas supply abnormal and impacts to using terminal.
Summary of the invention
The invention is intended to provide a kind of medical air volume regulating device, shadow is caused to using terminal when abnormal to avoid gas supply
It rings.
In order to achieve the above objectives, base case of the invention is as follows: medical air volume regulating device, including is connected on pipeline
Cylinder, the inner wall of the cylinder is equipped with air storing cavity, fixed control unit and variation control unit is equipped in the cylinder, described solid
Determining control unit includes being radially arranged in the intracorporal fixed plate of cylinder, and the top of the fixed plate is equipped with the first venthole, the fixation
The lower part of plate is equipped with tolerance adjustment hole；
The variation control unit includes adjustable plate, and the adjustable plate is located at the downstream of fixed plate, hinge in the middle part of the adjustable plate
It connects on pipeline, the top of the adjustable plate is equipped with several second ventholes, and the lower part of the adjustable plate is equipped with for cooperating gas
Measure the circular cone of adjustment hole switch；
Gas adapter cavity is formed between the fixed plate and adjustable plate；
Exhaust passage is equipped in the adjustable plate vertically, which is connected to gas adapter cavity and air storing cavity, the row
The inlet in gas channel is equipped with check valve；
The cylinder is equipped with the connecting hole of connection air storing cavity and gas adapter cavity, and the connection hole is hinged with baffle,
The baffle is opposite with the first venthole, and when the first venthole is in aeration status, baffle closes connection under the action of air-flow
Hole；
The area of first venthole is greater than the area summation of several second ventholes, and the face of first venthole
Product is greater than the area of tolerance adjustment hole.
The principle and advantage of this programme are: when tolerance is in normal condition, gas is from the first venthole and tolerance tune
Knothole enters in gas adapter cavity, and flows out from the second venthole and auxiliary through hole respectively.Due to the face of the first venthole
Product is greater than the area of tolerance adjustment hole and is greater than the area summation of several second ventholes, when tolerance is excessive or flow velocity increases,
The gas that first venthole enters pushes rapidly adjustable plate top to turn right, and the lower part of adjustable plate then turns left, circular cone
It is inserted into tolerance adjustment hole and is blocked, reduce the inlet of gas in gas adapter cavity.Simultaneously with upper chamber's tolerance
Increase, pressure increase with it and push check valve open exhaust passage, received so that excess air is discharged in air storing cavity
Collection.When gas transmission end abends, no gas is by cylinder, and baffle is after the thrust of airless at this time, around its hinge joint to left avertence
Turn to open connecting hole, the gas for discharging air storing cavity is transported to using terminal.
In conclusion when gas in pipelines increases suddenly, tolerance adjustment hole can be automatically closed in this equipment, to reduce gas
Circulation area, and automatically open exhaust passage under the action of pressure difference and excessive gas is discharged into air storing cavity, to make
The tolerance for entering using terminal is kept in the normal range.When stopping the supple of gas or steam suddenly, also the gas in air storing cavity can be released automatically
It releases, to play the role of respite, being conducive to staff has enough time to handle.
Preferred embodiment 1: as the improvement of basic scheme, the circular cone two sides extend outward to form protrusion, work as circular cone
When blocking tolerance adjustment hole, gas adapter cavity is separated into upper chamber and lower chambers by circular cone and protrusion, under the oscillating deck
Portion is equipped with auxiliary through hole, and by above-mentioned setting, when tolerance is normal or flow velocity is compared with time slack, gas can be flowed out from auxiliary through hole；When
When tolerance is excessive or flow velocity is too fast, also increasing therewith by the tolerance of the second venthole, circular cone blocks tolerance adjustment hole at this time,
The gas for completely cutting off upper chamber simultaneously circulates from auxiliary through hole, further decreases the circulation of gas.
Preferred embodiment 2: preferably 1 improvement is connected with pressure spring between the check valve and exhaust passage inner wall,
It is brought some pressure to bear by pressure spring to check valve, is more than that certain value Shi Caineng pushes check valve open when the air pressure in gas adapter cavity reaches
Excessive gas is discharged from exhaust passage.
Preferred embodiment 3: the material of preferably 2 improvement, the circular cone is elastic material, utilizes elastic material
Ductility, guarantee leakproofness when circular cone and tolerance adjustment hole cooperate, avoid gas leak phenomenon.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the medical air volume regulating device of the present invention.
Fig. 2 is operation schematic diagram when medical air volume regulating device tolerance is excessive.
Fig. 3 is the structural schematic diagram of adjustable plate.
Fig. 4 is the side view of adjustable plate.
Fig. 5 is the enlarged diagram of A in Fig. 1.
Fig. 6 is the enlarged diagram of A when stopping the supple of gas or steam.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: fixed plate 1, the first venthole 2, tolerance adjustment hole 3, adjustable plate 4,
Two ventholes 5, circular cone 6, gas adapter cavity 7, upper chamber 8, lower chambers 9, auxiliary through hole 10, exhaust passage 11, check valve 12,
Raised 13, cylinder 14, air storing cavity 15, intercommunicating pore 16, baffle 17.
Embodiment is substantially as shown in Fig. 1: medical air volume regulating device, including the cylinder being connected on cylinder, cylinder
Air storing cavity is laterally offered in inner wall, fixed control unit and variation control unit are installed in cylinder, and fixed control unit includes vertical
The fixed plate 1 being fixedly mounted in cylinder 14, the top of fixed plate 1 offer the first venthole 2, and the lower part of fixed plate 1 opens up
Adjustment hole 3 with tolerance.
Changing control unit includes adjustable plate 4, and adjustable plate 4 is located at the right side of fixed plate 1, is hinged on cylinder in the middle part of adjustable plate 4
Make adjustable plate 4 that can offer 6 the second ventholes 5, the lower part of adjustable plate 4 around its hinged spot wobble, the top of adjustable plate 4 on 14
Equipped with the circular cone 6 for cooperating tolerance adjustment hole 3 to switch, circular cone 6 is made of elastic material, utilizes the extension of elastic material
Property, guarantee leakproofness when circular cone 6 and tolerance adjustment hole 3 cooperate, avoids gas leak phenomenon.Fixed plate 1 and adjustable plate 4 it
Between formed gas adapter cavity 7.
As shown in Figure 2 and Figure 3, protrusion 13 is extended outward to form at left and right sides of circular cone 6, the free end of two protrusions 13 is equal
It offsets with 14 inner wall of cylinder, when circular cone 6 blocks tolerance adjustment hole 3, protrusion 13 offsets with fixed plate 1.In this way, circular cone 6
Gas adapter cavity 7 is just separated into independent upper chamber 8 and lower chambers 9 with protrusion 13, it is logical that the lower part of oscillating deck offers auxiliary
Hole 10, when tolerance is normal or flow velocity is compared with time slack, gas can be flowed out from auxiliary through hole 10；When tolerance is excessive or flow velocity is too fast,
Also increased therewith by the tolerance of the second venthole, circular cone 6 blocks tolerance adjustment hole 3 at this time, while completely cutting off the gas of upper chamber 8
Body circulates from auxiliary through hole 10, further decreases the circulation of gas.
As shown in figure 4, the vertical direction of 4 inner wall of adjustable plate is equipped with exhaust passage 11, which is connected to gas
Adapter cavity and air storing cavity, the inlet of exhaust passage 11 are equipped with check valve 12, connect between 11 inner wall of check valve 12 and exhaust passage
It is connected to pressure spring, is brought some pressure to bear by pressure spring to check valve 12, just when it is more than certain value that the air pressure in gas adapter cavity 7, which reaches,
Check valve 12 can be pushed open is discharged excessive gas from exhaust passage 11.
As shown in Fig. 1, Fig. 5, Fig. 6, the connecting hole 16 of connection air storing cavity 15 and gas adapter cavity is offered on cylinder 14, even
It connects and is hinged with a baffle 17 at the left side in hole 16, the left side of 17 upper surface of baffle is hinged on the left side of connecting hole 16
On, the area of 17 upper surface of baffle is greater than the area of connecting hole 16, to achieve the purpose that close connecting hole 16.17 left side of baffle
Opposite with the first venthole 2, when the first venthole 2 is in aeration status, baffle 17 closes connecting hole under the promotion of air-flow
16。
The area of first venthole 2 is greater than the area summation of 6 the second ventholes 5, and the area of the first venthole 2 is greater than
The area of tolerance adjustment hole 3.
Working principle: cylinder 14 is connected on the pipeline of gas transmission equipmen, and when tolerance is in normal condition, gas is from
One venthole 2 and tolerance adjustment hole 3 enter in gas adapter cavity 7, and flow from the second venthole 5 and auxiliary through hole 10 respectively
Out.Since the area of the first venthole 2 is greater than the area of tolerance adjustment hole 3 and is greater than the area summation of 6 the second ventholes 5,
When tolerance is excessive or flow velocity increases, 4 top of adjustable plate is pushed to turn right rapidly, the lower part of adjustable plate 4 then turns left, cone
Shape block 6 is inserted into tolerance adjustment hole 3 and is blocked, and gas adapter cavity 7 is separated into independent upper chamber 8 and lower chambers 9,
Gas cannot be introduced into the discharge of the auxiliary through hole 10 in lower chambers 9, reduce the discharge area of gas.Simultaneously with 8 gas of upper chamber
The increase of amount, pressure increase with it and check valve 12 are pushed to open, is collected so that excess air is discharged in air storing cavity 15.
When gas transmission end is broken suddenly, no gas is by cylinder 14, and baffle 17 is after losing the thrust of air-flow at this time, to the left around its hinge joint
To open connecting hole 16, the gas of release air storing cavity 15 is transported to using terminal for deflection.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (4)
1. medical air volume regulating device, which is characterized in that including the cylinder being connected on pipeline, the inner wall of the cylinder is equipped with storage
Air cavity, fixed control unit and variation control unit are equipped in the cylinder, and the fixed control unit includes being radially arranged in cylinder
Interior fixed plate, the top of the fixed plate are equipped with the first venthole, and the lower part of the fixed plate is equipped with tolerance adjustment hole；
The variation control unit includes adjustable plate, and the adjustable plate is located at the downstream of fixed plate, is hinged in the middle part of the adjustable plate
On pipeline,
The top of the adjustable plate is equipped with several second ventholes, and the lower part of the adjustable plate is equipped with for cooperating tolerance adjustment hole
The circular cone of switch；
Gas adapter cavity is formed between the fixed plate and adjustable plate；
Exhaust passage is equipped in the adjustable plate vertically, which is connected to gas adapter cavity and air storing cavity, and the exhaust is logical
The inlet in road is equipped with check valve；
The cylinder is equipped with the connecting hole of connection air storing cavity and gas adapter cavity, and the connection hole is hinged with baffle, the gear
Plate is opposite with the first venthole, and when the first venthole is in aeration status, baffle closes connecting hole under the action of air-flow；
The area of first venthole is greater than the area summation of several second ventholes, and the area of first venthole is big
In the area of tolerance adjustment hole.
2. medical air volume regulating device according to claim 1, it is characterised in that: the circular cone two sides extend outwardly shape
At protrusion, when circular cone blocks tolerance adjustment hole, gas adapter cavity is separated into upper chamber and lower chambers by circular cone and protrusion,
The lower part of the adjustable plate is equipped with auxiliary through hole.
3. medical air volume regulating device according to claim 2, it is characterised in that: the check valve and exhaust passage inner wall
Between be connected with pressure spring.
4. medical air volume regulating device according to claim 3, it is characterised in that: the material of the circular cone is elastic material
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765406.2A CN107606264B (en) | 2017-08-30 | 2017-08-30 | Medical air volume regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765406.2A CN107606264B (en) | 2017-08-30 | 2017-08-30 | Medical air volume regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107606264A CN107606264A (en) | 2018-01-19 |
| CN107606264B true CN107606264B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710765406.2A Active CN107606264B (en) | 2017-08-30 | 2017-08-30 | Medical air volume regulating device |
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| CN (1) | CN107606264B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190805B (en) * | 2020-11-05 | 2021-05-25 | 韩伟 | Department of anesthesia laryngeal mask with intelligence is admitted air |
| CN116747494B (en) * | 2023-08-15 | 2023-10-20 | 四川省医学科学院·四川省人民医院 | Training device for functional exercise after arteriovenous fistula operation |
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Effective date of registration: 20220714 Address after: Room 7088-230, 7th floor, 1558 Jiangnan Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee after: NINGBO LONGRUI MACHINERY MANUFACTURE CO.,LTD. Address before: Ningbo Xiangshan Port International Hotel Co., Ltd., No. 1111 Xiangshan Port Road, Dandong Street, Xiangshan County, Zhejiang Province, 315000 Patentee before: NINGBO JINGZHENTANG BIOTECHNOLOGY CO.,LTD. |
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Effective date of registration: 20240402 Address after: Room A, 3rd Floor, East District Building, No. 29 Haihong Road, Xiangzhou, Zhuhai City, Guangdong Province, 519000 Patentee after: Zhuhai Yueling Technology Co.,Ltd. Country or region after: China Address before: Room 7088-230, 7th floor, 1558 Jiangnan Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee before: NINGBO LONGRUI MACHINERY MANUFACTURE CO.,LTD. Country or region before: China |
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