CN104739414A - Vital capacity and vital power resisting test instrument - Google Patents
Vital capacity and vital power resisting test instrument Download PDFInfo
- Publication number
- CN104739414A CN104739414A CN201510190262.3A CN201510190262A CN104739414A CN 104739414 A CN104739414 A CN 104739414A CN 201510190262 A CN201510190262 A CN 201510190262A CN 104739414 A CN104739414 A CN 104739414A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- tank
- vital capacity
- buoy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/091—Measuring volume of inspired or expired gases, e.g. to determine lung capacity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
Abstract
The invention discloses a vital capacity and vital power resisting test instrument. The vital capacity and vital power test instrument comprises a buoy and a water tank, and the buoy is arranged in the water tank which is in an overall sealed structure. An air inlet nozzle is formed in the bottom of the water tank and is connected with an air blowing nozzle through a hose. A rod sleeve with a seal ring is arranged above the water tank, a buoy cylinder with a scale is inserted into the water tank from the rod sleeve with the seal ring to be inserted into the buoy after passing through a buoy valve seat, and a valve plate is arranged at the end of the buoy rod with the scale. A spring is arranged at the connection position between the rod with the seal ring and the buoy valve seat to compress the buoy valve seat to form a seal due to the elastic function of the spring. An exhaust valve and a water inlet unit are arranged above the water tank, and a liquid level meter with a scale is connected with the side of the water tank. By means of the test instrument, the structure is simple and reliable; opening and closing are achieved through a cam and are convenient and reliable to operate; the air flow guide area is large, and the test instrument is applicable to rapid discharge in the low-pressure condition; tensioning and reset is achieved through the spring, and the cost is low; air leakage can be prevented effectively through a seal pad, and the application prospect is broad.
Description
Technical field
The present invention relates to a kind of float-type vital capacity and lung dynamometry instrument.
Background technology
Vital capacity test is one of important test event of human health screening and health check-up, and vital capacity and lung dynamic test can reflect cardio-pulmonary function, thus carries out a simply assessment to the body constitution of testee.
On market, the specialized equipment of existing test vital capacity and lung power is sold, but existing vital capacity and lung Dynamics Tester still have many places not fully up to expectations, the convenient switching of such as lung dynamic test and vital capacity test, instrumentation and internal structure are optimized further and are simplified, improve service life, convenience of reset operation etc., is optimized vital capacity and lung Dynamics Tester and promotes tool significance.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, provides a kind of simple and reliable for structure, return and function to switch vital capacity easily and lung dynamometry instrument.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
A kind of vital capacity and lung dynamometry instrument, comprise floating drum and tank, it is characterized in that: floating drum is positioned at tank, and floating drum is that top is closed, lower opening formula structure, and tank is integrally closed structure; Bottom of gullet is provided with suction nozzle, and suction nozzle is connected with blowing nozzle through flexible pipe; Be provided with band sealing ring bar cover above tank, band scale float lever inserts in tank from band sealing ring bar cover, and band sealing ring bar inserts in floating drum through float valve seat, and band scale float lever end points is provided with valve plate; Band sealing ring bar and float valve seat junction are provided with spring, and valve plate is due to the elastic force effect compression float valve seat formation sealing of spring; Be provided with air bleeding valve and water feed apparatus above tank, tank side is connected with band scale liquidometer.
Described air bleeding valve comprises handle, cam, bearing pin, valve rod, valve seat and valve plate, and handle connects cam, and cam is through bearing pin connection valve bar, and cam is that axle rotates around valve rod with bearing pin; Be valve seat below cam, valve rod, through valve seat, has passage in valve seat, and stem bottom connects valve plate; Be provided with spring between valve seat and valve plate, holddown spring makes valve seat and valve plate form enclosed construction, and gas can not be discharged from the passage in valve seat, and trip spring makes valve seat and valve plate form Open architecture, and gas is discharged from the passage in valve seat.
The valve plate of described air bleeding valve is provided with sealing ring.
Described tank side is provided with water-level monitoring window, is convenient to observation.
Described bottom of gullet is provided with drain valve, is convenient to draining.
Be provided with cushion pad in described tank, reduce the shock of floating drum and tank.
Device makes floating drum float by air blowing and realizes vital capacity test, when carrying out vital capacity test, form oral cavity sealing facing to blowing nozzle to blow, import floating drum in by gas by suction nozzle by flexible pipe, valve plate is due to the elastic force effect compression float valve seat formation sealing of spring, and floating drum forms airtight cavity, because gas blasts, floating drum is floated, band scale float lever rises in band sealing ring bar cover, the gas flow entered and float lever rising proportion relation, thus realizes vital capacity determination.
After vital capacity determination completes, pressing float lever is exhausted return, and spring is compressed, and valve plate departs from valve seat, and gas can discharge floating drum quickly through valve seat, more emptying by air bleeding valve, makes floating drum get back to extreme lower position.
When needs test lung power and lung can export maximum pressure, close air bleeding valve, the gas be blown into is sealed completely by cavity, but water can rise, according to liquidometer liquid level Numerical Implementation lung dynamic test along band scale liquidometer.
Air bleeding valve is for meeting vital capacity test Quick air-discharge action need, realizing required operation readiness with cam mechanism.During exhaust valve opening, cam is in flat condition, and valve plate and valve seat separate by spring, has enough aerofluxus sectional areas to meet the function needs of rapid aerofluxus reset; When needs shutoff operation, pull handle and make cam be in stand up position, actuated by cams Compress Spring is mentioned valve plate simultaneously and is compressed valve seat, relies on sealing ring to realize positiver sealing.
Compared with prior art, beneficial effect of the present invention is also:
Apparatus structure simple and durable, reliable; It is reliable that cam realizes opening and closing simple operation; Air-flow inducing QI area is large, is applicable to the rapid aerofluxus under lower pressure; Tensioning is realized and return cost is low with spring; Sealing gasket effectively can prevent Leakage Gas, has a extensive future.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present invention.
Fig. 2 is the maximum range structural representation that the present invention surveys vital capacity.
Fig. 3 is the structural representation that the present invention surveys vital capacity aerofluxus reset.
Fig. 4 is the structural representation that the present invention surveys lung dynamic regime.
Fig. 5 is the structural representation of exhaust valve opening state.
Fig. 6 is the structural representation of exhaust valve closure state.
Fig. 7 is air bleeding valve A-A cross-sectional view.
In figure, each label represents:
A, air bleeding valve; B, air bleeding valve exhaust condition; 1, blowing nozzle; 2, flexible pipe; 3, water-level monitoring window; 4, scale liquidometer is with; 5, scale float lever is with; 6, sealing ring bar cover is with; 7, water feed apparatus; 8, spring; 9, float valve seat; 10, valve plate; 11, the water surface; 12, floating drum; 13, suction nozzle; 14, cushion pad; 15, drain valve; 21, hands handle; 22, cam; 23, bearing pin; 24, valve rod; 25, valve seat; 26, sealing ring; 27, spring; 28, valve plate.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
As shown in Figure 1, Figure 2, vital capacity and lung dynamometry instrument shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, comprise floating drum 12 and tank, floating drum 12 is positioned at tank, floating drum 12 for top close, lower opening formula structure, tank is integrally closed structure; Bottom of gullet is provided with suction nozzle 13, and suction nozzle 13 is connected with blowing nozzle 1 through flexible pipe 2; Be provided with band sealing ring bar cover 6 above tank, band scale float lever 5 inserts in tank from band sealing ring bar cover 6, and band sealing ring bar 5 inserts in floating drum through float valve seat 9, and band scale float lever 5 end points is provided with valve plate 10; Band sealing ring bar 5 is provided with spring 8 with float valve seat 9 junction, and valve plate 10 is due to the elastic force effect compression float valve seat 9 formation sealing of spring 8; Be provided with air bleeding valve A and water feed apparatus 7 above tank, tank side is connected with band scale liquidometer 4.
Described air bleeding valve A comprises handle 21, cam 22, bearing pin 23, valve rod 24, valve seat 25 and valve plate 28, and handle 21 connects cam 22, and cam 22 connects valve rod 24 through bearing pin 23, and cam 22 rotates around valve rod 24 for axle with bearing pin 23; Be valve seat 25 below cam, valve rod 24, through valve seat 25, has passage in valve seat 25, connects valve plate 28 bottom valve rod 24; Spring 27 is provided with between valve seat 25 and valve plate 28, holddown spring 27 makes valve seat 25 and valve plate 28 form enclosed construction, gas can not be discharged from the passage in valve seat 25, and trip spring 27 makes valve seat 25 and valve plate 28 form Open architecture, and gas is discharged from the passage in valve seat 25.
The valve plate 28 of described air bleeding valve A is provided with sealing ring 26.
Described tank side is provided with water-level monitoring window 3, is convenient to observation.
Described bottom of gullet is provided with drain valve 15, is convenient to draining.
Be provided with cushion pad 14 in described tank, reduce the shock of floating drum 12 and tank.
Device makes floating drum float by air blowing and realizes vital capacity test, when carrying out vital capacity test, form oral cavity sealing facing to blowing nozzle 1 to blow, by flexible pipe 2, gas is imported in floating drum 14 by suction nozzle 13, valve plate 10 is due to the elastic force effect compression float valve seat 9 formation sealing of spring 8, floating drum 12 forms airtight cavity, because gas blasts, floating drum 12 is floated, band scale float lever 5 rises in band sealing ring bar cover 6, the gas flow entered and float lever 5 rise proportion relation, thus realize vital capacity determination.
After vital capacity determination completes, be exhausted return as Fig. 3 presses float lever 5, spring 8 is compressed, and valve plate 10 departs from valve seat 9, and gas can discharge floating drum 12 quickly through valve seat 9, more emptying by air bleeding valve A, makes floating drum 12 get back to extreme lower position.
When needs test lung power and lung can export maximum pressure, as Fig. 4 closes air bleeding valve A, the gas be blown into is sealed completely by cavity, but water can rise, according to liquidometer liquid level Numerical Implementation lung dynamic test along band scale liquidometer 4.
Air bleeding valve A is for meeting vital capacity test Quick air-discharge action need, realizing required operation readiness with cam mechanism.During exhaust valve opening, as Fig. 5 cam 22 is in flat condition, valve plate 28 and valve seat 25 separate by spring 27, have enough aerofluxus sectional areas to meet the function needs of rapid aerofluxus reset; When needs shutoff operation, make cam 22 be in stand up position as Fig. 6 pulls handle 21, cam 22 drives Compress Spring 27 to mention valve plate 28 simultaneously and compresses valve seat 25, relies on sealing ring 26 to realize positiver sealing.
A-A sectional view embodies bearing pin 23 and valve seat 25 assembly relation, shows gas channel and sectional area simultaneously.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (6)
1. vital capacity and a lung dynamometry instrument, comprise floating drum and tank, it is characterized in that: floating drum is positioned at tank, and floating drum is that top is closed, lower opening formula structure, and tank is integrally closed structure; Bottom of gullet is provided with suction nozzle, and suction nozzle is connected with blowing nozzle through flexible pipe; Be provided with band sealing ring bar cover above tank, band scale float lever inserts in tank from band sealing ring bar cover, and band sealing ring bar inserts in floating drum through float valve seat, and band scale float lever end points is provided with valve plate; Band sealing ring bar and float valve seat junction are provided with spring, and valve plate is due to the elastic force effect compression float valve seat formation sealing of spring; Be provided with air bleeding valve and water feed apparatus above tank, tank side is connected with band scale liquidometer.
2. vital capacity according to claim 1 and lung dynamometry instrument, it is characterized in that: described air bleeding valve comprises handle, cam, bearing pin, valve rod, valve seat and valve plate, handle connects cam, and cam is through bearing pin connection valve bar, and cam is that axle rotates around valve rod with bearing pin; Be valve seat below cam, valve rod, through valve seat, has passage in valve seat, and stem bottom connects valve plate; Be provided with spring between valve seat and valve plate, holddown spring makes valve seat and valve plate form enclosed construction, and gas can not be discharged from the passage in valve seat, and trip spring makes valve seat and valve plate form Open architecture, and gas is discharged from the passage in valve seat.
3. vital capacity according to claim 2 and lung dynamometry instrument, is characterized in that: the valve plate of described air bleeding valve is provided with sealing ring.
4. the vital capacity according to claim 1 or 2 or 3 and lung dynamometry instrument, is characterized in that: described tank side is provided with water-level monitoring window.
5. the vital capacity according to claim 1 or 2 or 3 and lung dynamometry instrument, is characterized in that: described bottom of gullet is provided with drain valve.
6. the vital capacity according to claim 1 or 2 or 3 and lung dynamometry instrument, is characterized in that: be provided with cushion pad in described tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190262.3A CN104739414B (en) | 2015-04-21 | 2015-04-21 | Vital capacity and lung dynamometry instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190262.3A CN104739414B (en) | 2015-04-21 | 2015-04-21 | Vital capacity and lung dynamometry instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104739414A true CN104739414A (en) | 2015-07-01 |
| CN104739414B CN104739414B (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190262.3A Active CN104739414B (en) | 2015-04-21 | 2015-04-21 | Vital capacity and lung dynamometry instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN104739414B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007283A (en) * | 2017-04-18 | 2017-08-04 | 南阳师范学院 | A kind of spirometric device |
| CN113303786A (en) * | 2021-05-10 | 2021-08-27 | 长江大学 | Miniaturized pulmonary function detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB104365A (en) * | 1916-02-26 | 1917-02-26 | Haydn Brown | Improvements in Apparatus for Testing the Condition of the Respiratory Organs and Measuring the Quantity of Expired Air. |
| CN2441763Y (en) * | 2000-07-16 | 2001-08-08 | 房为民 | Vacuum fresh-keeping stroage box |
| CN202051705U (en) * | 2011-03-26 | 2011-11-30 | 曹晓春 | Vital capacity detector |
| CN202313333U (en) * | 2011-11-02 | 2012-07-11 | 陈广群 | Device for measuring respiratory function |
| CN202875333U (en) * | 2012-10-29 | 2013-04-17 | 孔爱华 | Float type spirometer |
| CN204581285U (en) * | 2015-04-21 | 2015-08-26 | 吉首大学 | Vital capacity and lung dynamometry instrument |
-
2015
- 2015-04-21 CN CN201510190262.3A patent/CN104739414B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB104365A (en) * | 1916-02-26 | 1917-02-26 | Haydn Brown | Improvements in Apparatus for Testing the Condition of the Respiratory Organs and Measuring the Quantity of Expired Air. |
| CN2441763Y (en) * | 2000-07-16 | 2001-08-08 | 房为民 | Vacuum fresh-keeping stroage box |
| CN202051705U (en) * | 2011-03-26 | 2011-11-30 | 曹晓春 | Vital capacity detector |
| CN202313333U (en) * | 2011-11-02 | 2012-07-11 | 陈广群 | Device for measuring respiratory function |
| CN202875333U (en) * | 2012-10-29 | 2013-04-17 | 孔爱华 | Float type spirometer |
| CN204581285U (en) * | 2015-04-21 | 2015-08-26 | 吉首大学 | Vital capacity and lung dynamometry instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007283A (en) * | 2017-04-18 | 2017-08-04 | 南阳师范学院 | A kind of spirometric device |
| CN107007283B (en) * | 2017-04-18 | 2020-05-05 | 南阳师范学院 | Vital capacity measuring device |
| CN113303786A (en) * | 2021-05-10 | 2021-08-27 | 长江大学 | Miniaturized pulmonary function detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104739414B (en) | 2017-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181210 Address after: 225300 Beizhuang Village, Suchen Town, Hailing District, Taizhou City, Jiangsu Province (Suchen) Patentee after: Taizhou Sihai CNC Machine Tool Factory Address before: 416000 No. 120 Renmin South Road, Jishou City, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Patentee before: Jishou University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211208 Address after: 225300 Haitong company, 2f, administrative service center, No. 3, Fuqian Road, Hailing District, Taizhou City, Jiangsu Province Patentee after: Taizhou Haitong Asset Management Co., Ltd Address before: 225300 Beizhuang Village, Suchen Town, Hailing District, Taizhou City, Jiangsu Province (Suchen) Patentee before: Taizhou Sihai CNC Machine Tool Factory |