CN107899201A - A kind of parallel connection type air-breathing and expiration respiration training - Google Patents
A kind of parallel connection type air-breathing and expiration respiration training Download PDFInfo
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- CN107899201A CN107899201A CN201710990978.0A CN201710990978A CN107899201A CN 107899201 A CN107899201 A CN 107899201A CN 201710990978 A CN201710990978 A CN 201710990978A CN 107899201 A CN107899201 A CN 107899201A
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- external screw
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- rod sleeve
- breathing
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/18—Exercising apparatus specially adapted for particular parts of the body for improving respiratory function
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
Abstract
A kind of parallel connection type air-breathing and expiration respiration training,Including outer barrel,External screw rod sleeve and end cap,The external screw rod sleeve is coaxially mounted in outer barrel,One end of the external screw rod sleeve is equipped with the first stomata,The other end is equipped with the second stomata,The outer wall at the first stomata end of the external screw rod sleeve is equipped with flange collar,The flange collar is equipped with the 3rd stomata,The external screw rod sleeve is equipped with a step in the position close to the second stomata,So that diameter of the external screw rod barrel bore at the second stomata end is less than the diameter at the first stomata end,One end of the outer barrel is installed on by first axis limiting device on flange collar one end of external screw rod sleeve,So that the outer barrel can be rotated against with external screw rod sleeve,The other end of the outer barrel is opening,The configuration of the present invention is simple,It is easy to use,Inspiratory dyspnea can be directed to,Expiratory dyspnea and mixed dyspnea realize that air-breathing is trained at the same time,Exhale and train and Combination respiratory training,And inspiratory resistance and expiratory resistance can be independent,Continuously adjust.
Description
Technical field
The present invention relates to a kind of parallel connection type air-breathing and expiration respiration training.
Background technology
With the exacerbation of atmosphere pollution and the aging of crowd structure, respiratory disease illness rate cumulative year after year, becomes
Influence the significant problem of national residents publilc health.Respiratory disease is easy to cause human body respiration difficulty, so that cause anoxic,
Induce the disease in terms of heart and brain.Different respiratory diseases can cause different expiratory dyspnea, be led by respiratory apparatus lesion
The expiratory dyspnea of cause shows as three kinds of forms：Inspiratory dyspnea, bronchial asthma and resistance caused by throat and tracheostenosis
Plug property mixed dyspnea caused by disease such as expiratory dyspnea, pneumonia pulmonary fibrosis and pneumothorax caused by tuberculosis.
On the one hand it is to carry out active treatment, on the other hand in order to which human body respiration caused by solving respiratory disease is difficult
It is that respiratory training is carried out during treatment, improves diaphragm and internal intercostals when external intercostals, expiration and abdomen during air-breathing
The muscle strength of flesh and some other auxiliary muscle, recovers effective abdominal respiration as far as possible, improves respiratory capacity, improves oxygen
The suction and CO2 emission of gas, so as to improve expiratory dyspnea symptom, reduce postoperative complications.In addition, for some
Expiratory dyspnea caused by being difficult to the respiratory system organ aging of the pulmonary disease and the elderly cured, can also be instructed by breathing
Practice, strengthen the respiratory capacity of lung, improve cardio-pulmonary function, quality of making the life better.
At present, the instrument dedicated for exhale training and air-breathing training is very more, uses float-type structure mostly, such as likes energy
Health board respiration training, the respiration training of Chongqing Bo Wei Bioisystech Co., Ltd, auspicious rise breathe single-ball training device etc..It is this kind of
The shortcoming of respiration training：(1) the cylindricality barrel chamber equipped with float is needed to place vertically when in use；(2) air-breathing can only be done
Training, Contracted lips breath training needs the aperture of patient oneself control lip, random bigger；(3) inspiratory resistance is adjusted and not connected
It is continuous；(4) volume is larger mostly, heavier-weight, not readily portable.In addition there are small part product such as PowerBreathe respiratory trainings
Although device, contain prosperous SC-A respiration trainings, utility model patent 201520499638.4 etc. without position requirement, can only do
Air-breathing is trained, and complicated.
The content of the invention
The present invention overcome existing for above-mentioned technology deficiency and it is a kind of it is portable, using simple and without the one of position requirement
Kind parallel connection type air-breathing and expiration respiration training, it is tired which can be directed to inspiratory dyspnea, expiratory dyspnea and Combination breathing
It is difficult to realize that air-breathing training, exhale training and Combination respiratory training, and inspiratory resistance and expiratory resistance individually, even at the same time
It is continuous to adjust.
A kind of parallel connection type air-breathing and expiration respiration training, including outer barrel, external screw rod sleeve and end cap, the external screw rod set
Cylinder is coaxially mounted in outer barrel, and one end of the external screw rod sleeve is equipped with the first stomata, and the other end is equipped with the second stomata, described outer
The outer wall at the first stomata end of screw sleeve is equipped with flange collar, and the flange collar is equipped with the 3rd stomata, and the external screw rod sleeve exists
A step is equipped with close to the position of the second stomata so that diameter of the external screw rod barrel bore at the second stomata end is less than the first stomata
The diameter at end, one end of the outer barrel are installed on by first axis limiting device on flange collar one end of external screw rod sleeve so that
The outer barrel can be rotated against with external screw rod sleeve, and the other end of the outer barrel is opening, and the end cap is fixed on external screw rod set
On the other end of cylinder flange collar, the end cap is equipped with the 4th stomata, and the 3rd stomata is connected with the 4th stomata, second gas
Hole, external screw rod barrel bore, the first stomata and the 4th stomatal limiting value air-breathing air flue, the 4th stomata, the 3rd stomata, in outer barrel
Wall forms expiration air flue with the opening of external screw rod sleeve outer wall and outer barrel；
Inner screw is coaxially installed with the external screw rod sleeve, the inner screw is installed on by the second axially stop block
Stretched out on end cap and from the 4th stomata on end cap so that the inner screw can be rotated against with respect to end cap, the inner screw
On inner nut is installed, the inner nut is spacing in outer screw sleeve by the first circumferential limiting device so that inner nut can
Moved axially along external screw rod sleeve, be also equipped with air-breathing spool in the external screw rod sleeve, the air-breathing spool passes through second week
Spacing in outer screw sleeve to limiting device, one end of the air-breathing spool adjusts spring by pressure of inspiration(Pi) and connects with inner nut
Connect and link with inner nut, the other end of the air-breathing spool adjusts spring compression by pressure of inspiration(Pi) and is sealed in external screw rod set
In the first seal of cylinder step, the air-breathing spool adjusts bullet with the pressure of first seal on step by pressure of inspiration(Pi)
Spring decrement controls；
The outer wall of the external screw rod sleeve is equipped with external screw thread, and outer nut is provided with the external screw rod sleeve, described outer
Nut passes through in the 3rd circumferential spacing gap between outer barrel and external screw rod sleeve of limiting device so that outer nut can be along outer barrel
Axial movement, is also equipped with expiration spool in the gap between outer barrel and the external screw rod sleeve, and the expiration spool passes through the
In the three circumferential spacing gaps between outer barrel and external screw rod sleeve of limiting device, one end of the expiration spool passes through expiratory pressure
Power adjusts spring and is connected with outer nut and links with outer nut, and the other end of the expiration spool adjusts bullet by breath pressure
Spring pressing is sealed in the second seal of external screw rod sleeve flange collar, while by the 3rd port sealing, the expiration spool with
The pressure of second seal adjusts amount of spring compression by breath pressure and controls in flange collar.
Using the above structure, when being exhaled by the 4th stomata, air-flow enters top pressure in external screw rod sleeve by the first stomata
Air-breathing spool, air-breathing spool are sealed with step so that air-breathing air flue seals, while air-flow enters the 3rd stomata and promotes expiration spool
Mobile, expiration airway open, air-flow is flowed out from expiration air flue, completes expiratory resistance training, and during by the 4th stomata air-breathing, outside
Negative pressure is formed in screw sleeve, drives admission air valve to be separated with step, air-breathing airway open, air-flow passes through air-breathing from the second stomata
Air flue, flows out from the 4th stomata.In this way, inspiratory load can be realized by a device, exhale load and breathing
Gas is trained, and is facilitated physician guidance periodic adjustment inspiratory load, is exhaled load and tidal air training time, so as to fulfill optimal instruction
Practice effect, solve the problems, such as the lung functions rehabilitation of mixed dyspnea.
The inner screw is equipped with single thread, and the single thread is cut into vertically reduces threaded engagement frictional force
Three, the external screw thread on the outer wall of the external screw rod sleeve is cut into vertically reduces three of threaded engagement frictional force.
On the air-breathing spool with the second stomata position correspondence at be equipped with guide rod, the guide rod air-breathing spool with
It is placed in during the step sealing of external screw rod sleeve in the second stomata.So as to reduce air-breathing spool along external screw rod sleeve be axially moved when
Offset error, so as to reduce the friction between air-breathing spool and external screw rod sleeve, reduces frictional force to inspiratory load, load of exhaling
Influence.
The front end of the guide rod is the conical surface, and second stomata is coniform hole corresponding with the guide rod front end.Make
Obtain guide rod to contact with the contact surface proximal line of the second stomata, reduce frictional force between the two, reduce frictional force and air-breathing is born
Carry, the influence for load of exhaling.
The bite connected with the 4th stomata is movably installed with the outside of the end cap, so that the convenient dismounting to bite, one
Aspect cleans bite after the completion of can training, and on the other hand, can conveniently rotate inner screw.
Multiple first guide runners, the inner nut and air-breathing spool are equipped with the inner wall of the external screw rod sleeve vertically
On be respectively equipped with corresponding with the first guide runner the first guide groove and the second guide groove, first guide runner and inner nut
On the first guide groove form the first circumferential limiting device, the second guide groove structure on first guide runner and air-breathing spool
Into the second circumferential limiting device；
Multiple second guide runners are equipped with the inner wall of the outer barrel vertically, are distinguished on the outer nut and expiration spool
Equipped with the 3rd guide groove corresponding with the second guide runner and the 3rd guide groove, on second guide runner and outer nut
Three guide grooves form the 3rd circumferential limiting device, and the 4th guide groove on second guide runner and expiration spool forms the 4th
Circumferential limiting device.
The first seal and second seal are wedge-type seal circle.
Outer barrel and the external screw rod sleeve is that transparent material is formed, and adjusting is equipped with outer barrel and the external screw rod sleeve
The load scale of load, the load that the load scale includes load scale and expiration load regulation that inspiratory load is adjusted are carved
Degree, so as to be independently arranged corresponding load scale according to physician guidance, facilitates patient to use.
Since using the above structure, the present apparatus can realize air-breathing training, exhale training and Combination respiratory training at the same time,
Inspiratory load and expiration load can be independently arranged corresponding load scale, inspiratory load and load of exhaling according to physician guidance
Can be continuously adjustable；After assigned scale is transferred in inspiratory load and expiration load, in air-breathing and expiration training process, air-breathing and
The expiration fluctuation of load is small, and precision is high；Designed using inner/outer tube nesting type structure, length is short, small, easy to carry；During use
There is no position requirement to patient, adjust, is easy to use comfortable；Except can be used alone for patient, lung ventilator can also be connected
Deng expiration and the inspiratory resistance that respiration channel gas is adjusted on breathing assistance apparatus.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 (a) is the structure diagram one of external screw rod sleeve of the present invention.
Fig. 2 (b) is the structure diagram two of external screw rod sleeve of the present invention.
Fig. 3 is the structure diagram of air-breathing spool of the present invention.
Fig. 4 is the structure diagram of expiration spool of the present invention.
Fig. 5 is the structure diagram of inner nut of the present invention.
Fig. 6 is the structure diagram of outer nut of the present invention.
Fig. 7 is the structure diagram of inner screw of the present invention.
In attached drawing, 1. outer barrels, 2. external screw rod sleeves, 21. first stomatas, 22. second stomatas, 23. the 3rd stomatas, 24. is convex
Enclose, 25. steps, 3. outer nuts, 4. air-breathing spools, 5. breath pressures adjusting spring, 6. pressures of inspiration(Pi) adjusting spring, spiral shell in 7.
Bar, 8. inner nuts, 9. baffle rings, 10. expiration spools, 11. end caps, 111. the 4th stomatas, 12. bites.
Embodiment
In conjunction with attached drawing, the technology contents of the present invention are described further.
As shown in Fig. 1 to 7, a kind of parallel connection type air-breathing and expiration respiration training, including it is outer barrel 1, external screw rod sleeve 2, outer
Nut 3, air-breathing spool 4, breath pressure adjust spring 5, pressure of inspiration(Pi) adjusts spring 6, inner screw 7, inner nut 8, baffle ring 9, exhale
Gas valve core 10, end cap 11, bite 12.
Inspiratory resistance regulating system：
Spring 6, inner screw 7, inner nut 8, expiration spool 10 are adjusted by external screw rod sleeve 2, air-breathing spool 4, pressure of inspiration(Pi)
Formed with end cap 11.External screw rod sleeve 2 and end cap 11 are by together with gluing connect firmly, and air-breathing spool 4 and 10 structure of expiration spool
Into a cavity.Upon inhalation, the gas in the cavity enters human lung by bite, and the air pressure of the inner body of cavity is less than outer
Portion's atmospheric pressure.The one-way cock that expiration spool 10 and 2 right end structure of external screw rod sleeve are formed prevents extraneous gas from from expiration
Enter the cavity at spool.Air-breathing spool 4 is crushed on external screw rod sleeve under the effect of pressure to the left that pressure of inspiration(Pi) adjusts spring 6
One-way cock is formed on 2 step, when the air pressure in the cavity is sufficiently low so that inner and outer air pressure is acted on air-breathing spool 4
When active force acts on the active force on air-breathing spool 4 more than pressure of inspiration(Pi) adjusting spring 6, air-breathing spool 4 moves right, air-breathing
The valve that spool 4 and external screw rod sleeve 2 are formed may turn on, and exterior gas will suck lung by valve by human body.By
Constant, the elongation of adjusting spring 6 is considered as in external pressure, thus it is possible to vary the active force on air-breathing spool 4 is acted on,
The empty cavity pressure connected when being opened so as to control valve by bite 12 with oral cavity, that is, the pressure of human oral cavity.Valve
Human oral cavity pressure and external pressure gap are bigger during unlatching, and the inspiratory resistance of lung is bigger, act on lung's air-breathing muscle group
On load will be bigger.Namely by adjusting the elongation of spring 6, the load on lung's air-breathing muscle group can be adjusted,
Realize the purpose of the training lung air-breathing muscle efforts of everyone amount under controllable load.
It is as follows that pressure of inspiration(Pi) adjusts the specific implementation principle that 6 elongation of spring is adjusted：
Inner screw 7 and end cap 11 are in axial direction constrained by 7 right side stopper portions of inner screw, both do not have phase vertically
To movement.Inner nut 8 and external screw rod sleeve 2 pass through the guide groove of inner nut 8 and the first guide runner of inner wall of external screw rod sleeve 2
Circumferentially direction constrains, both do not have relative motion circumferentially.Inner nut 8 and screw rod 7 are connected through a screw thread.Rotate inner screw
7 right parts, make inner screw 7 be rotated relative to external screw rod sleeve 2 and end cap 11.Due to inner nut 8 and the circumferential quilt of external screw rod sleeve 2
Constrain, therefore inner nut 8 cannot be rotated relative to external screw rod sleeve 2 and end cap 11.So rotation inner screw 7,8 phase of inner nut
Inner screw 7 can be rotated, in the case of thread fitting, inner nut 8 axially can produce relative motion with respect to inner screw 7.By
In air-breathing spool 4 and inner screw 7, relative position determines in the axial direction, thus inner nut 8 with respect to air-breathing spool 4 distance with
Inner nut 8 changes along the movement of 7 axial direction of inner screw, and the length x that pressure of inspiration(Pi) adjusts spring 6 can change, spring
The active force acted on air-breathing spool 4 will change, and opening 4 corresponding mouth pressure of air-breathing spool will change, and lung inhales
The load of gas muscle group will change.
The resolution ratio of lung's air-breathing muscle group load regulation depends on the minimum of the stiffness K and inner nut 8 of spring 6 vertically
Displacement regulated quantity △ x, the stiffness K of spring 6 is smaller, and adjusting spring makes the corresponding springs of its length change △ x act on inlet valve
The variable quantity K △ x of active force will be smaller on core 4, and the resolution ratio of air-breathing muscle group load regulation will be higher.Designing
Cheng Zhong, will determine and the relevant parameter of spring rate such as outside diameter, line footpath, drift and number of turns etc. according to the demand of resolution ratio
Value.Avoid crevice throttle between air-breathing spool 4 and the plate of the composition of external screw rod sleeve 2 excessive as far as possible at the same time.Under this design philosophy, outside
2 left side step part of screw sleeve is designed to conical boss, and conical boss is connect using line as far as possible with 4 contact portion of air-breathing spool
Touch.
In order to reduce air-breathing spool 4 because of the friction between 2 inner wall of air-breathing spool 4 and external screw rod sleeve caused by deflection
Power is excessive, and 4 right end circle designs of air-breathing spool have guide groove to coordinate with 2 the first guide runner of inner wall of external screw rod sleeve, inlet valve
4 left end of core is designed with elongated guide bar and the hole of 2 left part of external screw rod sleeve coordinates, and reduces air-breathing spool 4 along external screw rod sleeve 2
Offset error during axial movement, so as to reduce the friction between air-breathing spool 4 and external screw rod sleeve 2.In addition, external screw rod sleeve
The hole of 2 left parts is designed to conical hole so that 2 left part of external screw rod sleeve is formed closely with 4 left end elongated guide bar of air-breathing spool
Liny contacts rather than face contact, reduces frictional force between the two.
Expiratory resistance regulating system：Bullet is adjusted by outer barrel 1, external screw rod sleeve 2, outer nut 3, air-breathing spool 4, breath pressure
Spring 5, baffle ring 9, expiration spool 10 and end cap 11 form.External screw rod sleeve 2, air-breathing spool 4, expiration spool 10 and end cap 11 are formed
One cavity.The gas of exhalation enters the cavity by bite, acts on above air-breathing spool 4 and expiration spool 10.Due to inhaling
The one-way cock that gas valve core 4 and 2 left end boss structure of external screw rod sleeve are formed does not allow expiration gas to be discharged outward from the cavity,
Expiration gas can only be arranged outward by the one-way cock that expiration spool 10 is formed with 2 right end structure of external screw rod sleeve from the cavity
Put.There is active force to act on expiration spool 10 since breath pressure adjusts spring 5, only when the pressure in cavity is sufficiently large,
So that the active force that inner and outer air pressure acts on expiration spool 10 is more than the work that breath pressure adjusting spring 5 acts on expiration spool 10
When firmly, expiration spool 10 is moved to the left, and the valve being made of expiration spool 10 and external screw rod sleeve 2 can just be opened, by oral cavity
The gas of exhalation just can be from the externally discharged atmospheric environment in oral cavity.The elongation that breath pressure adjusts spring 5 is adjusted, regulates and controls spring
5 act on the active force of expiration spool 10, it is possible to valve opening corresponding mouth pressure when exhaling are adjusted, so as to reach adjusting
The purpose of expiratory resistance and expiration muscle group load.
It is as follows that breath pressure adjusts the specific implementation principle that 5 elongation of spring is adjusted：
External screw rod sleeve 2 and end cap 11 are fixed together by gluing, and outer barrel 1 is by baffle 9 and external screw rod sleeve 2 along axis
To constraining, but outer barrel 1 can rotate with respect to external screw rod sleeve 2.Outer nut 3 and outer barrel 1 pass through leading on outer nut 3
Being constrained to the second guide runner of 1 inner wall of groove and outer barrel along 1 circumferential direction of outer barrel, both do not have relative motion circumferentially, when
When outer barrel 1 rotates, outer nut 3 can follow rotation.It is to be threadedly coupled between outer nut 3 and external screw rod sleeve 2, rotates outer barrel 1, make
Outer barrel 1 is rotated relative to external screw rod sleeve 2, and external screw rod sleeve 2 can rotate under the drive of outer barrel 1 relative to external screw rod sleeve 2, according to
Threading action transfer principle, outer nut 3 can be moved in the axial direction with respect to external screw rod sleeve 2, between outer nut 3 and expiration spool 10
Distance will change, breath pressure adjust spring 5 elongation will change.
As the design of air-breathing spring and admission air valve structure design, in order to improve lung's expiration muscle group load regulation
Resolution ratio, it is also desirable to by designing and manufacturing the screw thread transmitting accuracy and spring 5 that ensure between outer nut 3 and external screw rod sleeve 2
Relevant parameter.In order to ensure 6 length adjustment of spring, mouth pressure is constant in whole exhalation process after in place, it is also desirable to passes through
Structure design reduces the rigidity of spring in the case where meeting load regulation as far as possible, while reduces the maximum unlatching of valve as far as possible
When expiration spool 10 displacement.
The specific implementation of respiratory training is carried out using the apparatus：
(1) lung's air-breathing muscle group is trained.Adjust breath pressure and adjust 5 length of spring so that spring 5 acts on outlet valve
Power on core 10 is minimum, reaches the negligible degree of resistance to exhalation process.Adjust pressure of inspiration(Pi) and adjust spring 6,
Its length is adjusted the load scale specified to doctor.Bite 12 is contained with mouth, is lived with pince-nez device cue hole clip, with mouth pair
Bite 12 to be exhaled and air-breathing, it is possible to realize the air-breathing muscle group training under predetermined load., can be with according to physician guidance
Periodic adjustment inspiratory load and air-breathing training time, so as to fulfill optimal training effect, solve the lung of inspiratory dyspnea
Portion's functional rehabilitation problem.
(2) lung's expiration muscle group is trained.Adjust pressure of inspiration(Pi) and adjust 6 length of spring so that spring 6 acts on inlet valve
Power on core 4 is minimum, reaches the negligible degree of resistance to breathing process.Adjust breath pressure and adjust spring 5,
Its length adjusts the load scale specified to doctor.Bite 12 is contained with mouth, is lived with pince-nez device cue hole clip, it is opposite with mouth
Bite 12 is exhaled and air-breathing, it is possible to realizes the expiration muscle group training under predetermined load.According to physician guidance, Ke Yiding
Phase adjusts to exhale and load and exhales the training time, so as to fulfill optimal training effect, solves the lung of expiratory dyspnea
Functional rehabilitation problem.
(3) lung's breathing muscle group training.The inspiratory load that pressure of inspiration(Pi) adjusting 6 length adjustment of spring is specified to doctor
Breath pressure, is adjusted 5 length adjustment of spring and loads scale to the expiration that doctor specifies by scale.Bite 12 is contained with mouth, with folder
Nasal devices cue hole clip is lived, and is exhaled and air-breathing against bite 12 with mouth, it is possible to realize the air-breathing under predetermined load and exhale
Gas synthesis muscle group training.According to physician guidance, can with periodic adjustment inspiratory load, exhale load and tidal air training time,
So as to fulfill optimal training effect, the lung functions rehabilitation of mixed dyspnea is solved the problems, such as.
Claims (8)
1. a kind of parallel connection type air-breathing and expiration respiration training, it is characterised in that：Including outer barrel (1), external screw rod sleeve (2) and end
Cover (11), the external screw rod sleeve (2) is coaxially mounted in outer barrel (1), and one end of the external screw rod sleeve (2) is equipped with the first gas
Hole (21), the other end are equipped with the second stomata (22), and the outer wall at the first stomata end of the external screw rod sleeve (2) is equipped with flange collar
(24), the flange collar (24) is equipped with the 3rd stomata (23), and the external screw rod sleeve (2) is close to the position of the second stomata (22)
Equipped with a step (25) so that diameter of external screw rod sleeve (2) inner cavity at the second stomata end is less than the diameter at the first stomata end, institute
The one end for stating outer barrel (1) is installed on by first axis limiting device on flange collar (24) one end of external screw rod sleeve so that described
Outer barrel (1) can be rotated against with external screw rod sleeve (2), another end opening of the outer barrel (1), and the end cap (11) is fixed on outer
On the other end of screw sleeve flange collar (24), the end cap (11) is equipped with the 4th stomata (111), the 3rd stomata (23) with
4th stomata (111) connects, the 4th stomata (111), the first stomata (21), external screw rod sleeve (2) inner cavity and the second stomata
(22) air-breathing air flue, the opening of the outer barrel (1), outer barrel (1) inner wall and external screw rod sleeve (2) outer wall, the 3rd stomata are formed
(23), the 4th stomata (111) forms expiration air flue；
Inner screw (7) is coaxially installed with the external screw rod sleeve (2), the inner screw (7) passes through the second axially stop block
Stretched out on end cap (11) and from the 4th stomata (111) on end cap (11) so that the inner screw (7) can opposite end
(111) rotation is covered, inner nut (8) is installed on the inner screw (7), the inner nut (8) passes through the first circumferential limiting device
It is spacing interior in outer screw sleeve (2) so that inner nut (8) can be moved axially along external screw rod sleeve (2), the external screw rod sleeve
(2) air-breathing spool (4) is also equipped with, the air-breathing spool (4) is spacing in outer screw sleeve by the second circumferential limiting device
(2) in, one end of the air-breathing spool (4) is connected by pressure of inspiration(Pi) adjusting spring (6) with inner nut (8) and and inner nut
(8) link, the other end of the air-breathing spool (4) adjusts spring (6) compression by pressure of inspiration(Pi) and is sealed in external screw rod sleeve platform
In the first seal of rank (25), the air-breathing spool (4) passes through pressure of inspiration(Pi) with the pressure of first seal on step (25)
Power adjusts the control of spring (6) decrement；
The outer wall of the external screw rod sleeve (2) is equipped with external screw thread, and outer nut (3), institute are provided with the external screw rod sleeve (2)
Outer nut (3) is stated to pass through in the 3rd circumferential spacing gap between outer barrel (1) and external screw rod sleeve (2) of limiting device so that
Rotate outer barrel (1) when outer nut (3) can be moved axially along outer barrel (1), between the outer barrel (1) and external screw rod sleeve (2) between
Expiration spool (10) is also equipped with gap, the expiration spool (10) is spacing in outer barrel and outer spiral shell by the 3rd circumferential limiting device
In gap between rod sleeve, one end of the expiration spool (10) adjusts spring (5) by breath pressure and connects with outer nut (3)
Connect and link with outer nut (3), the other end of the expiration spool (10) adjusts spring (5) by breath pressure and compresses sealing
Sealed in the second seal of outer screw sleeve flange collar (24), while by the 3rd stomata (23), the expiration spool (10)
Amount of spring compression (5) is adjusted with the pressure of second seal in flange collar (24) by breath pressure to control.
2. parallel connection type air-breathing according to claim 1 and expiration respiration training, it is characterised in that：The air-breathing spool
(10) on the second stomata (22) position correspondence at be equipped with guide rod (41), the guide rod (41) air-breathing spool (10) with
It is placed in during the step sealing of external screw rod sleeve in the second stomata (22).
3. parallel connection type air-breathing according to claim 2 and expiration respiration training, it is characterised in that：Second stomata
(22) it is coniform hole, the guide rod (41) contacts with the inner wall of the second stomata (22) for line.
4. parallel connection type air-breathing according to claim 2 and expiration respiration training, it is characterised in that：The inner screw (7)
Single thread is equipped with, the single thread is cut into three of reduction threaded engagement frictional force, the external screw rod vertically
External screw thread on the outer wall of sleeve (2) is cut into three of reduction threaded engagement frictional force vertically.
5. parallel connection type air-breathing according to claim 1 and expiration respiration training, it is characterised in that：The end cap (11)
Outside is movably installed with the bite (12) connected with the 4th stomata (111).
6. parallel connection type air-breathing according to claim 1 and expiration respiration training, it is characterised in that：The external screw rod sleeve
(2) multiple first guide runners are equipped with inner wall vertically, be respectively equipped with the inner nut (8) and air-breathing spool (4) with
Corresponding first guide groove of first guide runner and the second guide groove, first on first guide runner and inner nut (8)
Guide groove forms the first circumferential limiting device, and the second guide groove on first guide runner and air-breathing spool (4) forms the
Two circumferential limiting devices；
Multiple second guide runners are equipped with the inner wall of the outer barrel (1) vertically, the outer nut (3) is equipped with and is led with second
To corresponding 3rd guide groove of sliding block, the expiration spool (10) is equipped with the 4th guide groove corresponding with the second guide runner,
The 3rd guide groove on second guide runner and outer nut (3) forms the 3rd circumferential limiting device, and described second is oriented to cunning
The 4th guide groove on block and expiration spool (10) forms fourth circumferential limiting device.
7. parallel connection type air-breathing according to claim 1 and expiration respiration training, it is characterised in that：The first seal
It is wedge-type seal circle with second seal.
8. parallel connection type air-breathing and expiration respiration training according to one of claim 1 to 7, it is characterised in that：It is described outer
Cylinder (1) and external screw rod sleeve (2) are that transparent material is formed, and are equipped with outer barrel and the external screw rod sleeve and adjust the negative of load
Carry scale.
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| US11759677B2 (en) | 2018-02-16 | 2023-09-19 | University Of Louisville Research Foundation, Inc. | Respiratory training and airway pressure monitoring device |
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| CN107899201B (en) | 2023-05-23 |
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