CN207708438U - 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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- CN207708438U CN207708438U CN201721364033.XU CN201721364033U CN207708438U CN 207708438 U CN207708438 U CN 207708438U CN 201721364033 U CN201721364033 U CN 201721364033U CN 207708438 U CN207708438 U CN 207708438U
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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 third stomata,The external screw rod sleeve is being equipped with a step 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 diameter at the first stomata end,One end of the outer barrel is mounted on by first axis limiting device on flange collar one end of external screw rod sleeve,So that the outer barrel can relative rotation with external screw rod sleeve,The other end of the outer barrel is opening,The utility model is simple in structure,It is easy to use,Inspiratory dyspnea can be directed to,Expiratory dyspnea and mixed dyspnea realize that air-breathing is trained simultaneously,It exhales and trains and Combination respiratory training,And inspiratory resistance and expiratory resistance can be independent,It continuously adjusts.
Description
Technical field
The utility model is related to a kind of parallel connection type air-breathing and expiration respiration trainings.
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 as to cause anoxic,
Induce the disease in terms of heart and brain.Different respiratory diseases can lead to 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
Mixed dyspnea caused by the diseases such as expiratory dyspnea, pneumonia pulmonary fibrosis and pneumothorax caused by plug property tuberculosis.
It is difficult in order to solve human body respiration caused by respiratory disease, on the one hand it is to carry out active treatment, on the other hand
It is that respiratory training is carried out during treatment, diaphragm and external intercostals when improving air-breathing, internal intercostals and abdomen when exhaling
The muscle strength of flesh and some other auxiliary muscle restores effective abdominal respiration as far as possible, improves respiratory capacity, improves oxygen
The sucking and CO2 emission of gas reduce postoperative complications so as to improve dyspnea symptom.In addition, for some
It is difficult to expiratory dyspnea caused by the respiratory system organ aging of the pulmonary disease cured and the elderly, can also be instructed by breathing
Practice, enhance the respiratory capacity of lung, improves cardio-pulmonary function, quality of making the life better.
Currently, the instrument dedicated for exhale training and air-breathing training is very more, float-type structure is mostly used greatly, 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 adjusting does not connect
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, the prosperous SC-A respiration trainings of Sheng, utility model patent 201520499638.4 etc. can only be done without position requirement
Air-breathing is trained, and complicated.
Utility model content
The utility model overcome existing for above-mentioned technology it is insufficient and it is a kind of it is portable, using simple and there is no position requirement
A kind of parallel connection type air-breathing and expiration respiration training, the training aids can be exhaled for inspiratory dyspnea, expiratory dyspnea and Combination
It inhales difficult while realizing air-breathing training, exhale training and Combination respiratory training, and inspiratory resistance and expiratory resistance can be single
Solely, it continuously adjusts.
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 third stomata, and the external screw rod sleeve exists
It is equipped with a step 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
One end of the diameter at end, the outer barrel is mounted on by first axis limiting device on flange collar one end of external screw rod sleeve so that
The outer barrel and external screw rod sleeve can relative rotation, 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 third stomata is connected to 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, third 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 in the external screw rod sleeve, the inner screw is mounted on by the second axially stop block
It is stretched out on end cap and from the 4th stomata on end cap so that the inner screw can be with respect to end cap relative rotation, the inner screw
On inner nut is installed, the inner nut is by the first circumferential limiting device limit in outer screw sleeve so that inner nut can
It is moved axially along external screw rod sleeve, is also equipped with air-breathing spool in the external screw rod sleeve, the air-breathing spool passes through second week
To limiting device limit in outer screw sleeve, one end of the air-breathing spool is connected by pressure of inspiration(Pi) adjustment spring and inner nut
It connects and links with inner nut, the other end of the air-breathing spool is sealed in external screw rod set by pressure of inspiration(Pi) adjustment spring compression
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 equipped on the external screw rod sleeve, described outer
Nut is limited by third circumferential direction limiting device in the gap between outer barrel and external screw rod sleeve so that outer nut can be along outer barrel
Axial movement, is also equipped with expiration spool in the gap between the outer barrel and external screw rod sleeve, and the expiration spool passes through the
In gap between outer barrel and external screw rod sleeve, one end of the expiration spool passes through expiratory pressure for three circumferential limiting device limits
Power adjustment spring connect 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 third port sealing, the expiration spool with
The pressure of second seal is controlled by breath pressure adjustment spring decrement 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 third stomata and pushes expiration spool
Mobile, expiration airway open, air-flow is flowed out from expiration air flue, completes expiratory resistance training, and when by the 4th stomata air-breathing, outside
Negative pressure is formed in screw sleeve, drives admission air valve to be detached with step, air-breathing airway open, air-flow passes through air-breathing from the second stomata
Air flue is flowed out from the 4th stomata.In this way, it can realize that inspiratory load, exhaling loads and breathe by a device
Gas is trained, and is facilitated physician guidance periodic adjustment inspiratory load, is exhaled load and tidal air training time, to realize best instruction
Practice effect, solves 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 an axial direction reduces threaded engagement frictional force
Three, the external screw thread on the outer wall of the external screw rod sleeve is cut into an axial direction reduces three of threaded engagement frictional force.
On the air-breathing spool with the second stomata position corresponding position be equipped with guide rod, the guide rod air-breathing spool with
It is placed in the second stomata when the step sealing of external screw rod sleeve.To reduce when air-breathing spool is axially moved along external screw rod sleeve
Offset error reduces frictional force to inspiratory load, load of exhaling to reduce the friction between air-breathing spool and external screw rod sleeve
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
It obtains guide rod to contact with the contact surface proximal line of the second stomata, reduces frictional force between the two, it is negative to air-breathing to reduce frictional force
It carries, the influence for load of exhaling.
The bite being connected to the 4th stomata is movably installed on the outside of the end cap, thus the convenient dismounting to bite, one
Aspect cleans bite after the completion of can training, and on the other hand, can facilitate rotation inner screw.
The inner wall upper edge of the external screw rod sleeve is axially arranged with multiple first guide runners, the inner nut and air-breathing spool
On be respectively equipped with the first guide groove corresponding with the first guide runner and the second guide groove, first guide runner and inner nut
On the first guide groove constitute the first circumferential limiting device, the second guide groove structure on first guide runner and air-breathing spool
At the second circumferential limiting device；
The inner wall upper edge of the outer barrel is axially arranged with multiple second guide runners, distinguishes on the outer nut and expiration spool
Equipped with third guide groove corresponding with the second guide runner and third guide groove, on second guide runner and outer nut
Three guide grooves constitute third circumferential direction limiting device, and the 4th guide groove on second guide runner and expiration spool constitutes the 4th
Circumferential limiting device.
The first seal and second seal are wedge-type seal circle.
The outer barrel and external screw rod sleeve are that transparent material is constituted, and adjusting is equipped on the outer barrel and external screw rod sleeve
The load scale of load, the load scale include that the load of load scale and expiration load regulation that inspiratory load is adjusted is carved
Degree facilitates patient to use so as to be independently arranged corresponding load scale according to physician guidance.
Since using the above structure, the present apparatus can be realized simultaneously air-breathing training, exhale training and Combination respiratory training,
Inspiratory load and expiration load can be independently arranged corresponding load scale according to physician guidance, and inspiratory load and expiration load
It can be continuously adjusted；When inspiratory load and exhale load be transferred to assigned scale after, in air-breathing and expiration training process, air-breathing and
The expiration fluctuation of load is small, and precision is high；It is designed using inner/outer tube nesting type structure, length is short, small, easy to carry；When use
There is no position requirement to patient, adjusts, is easy to use comfortable；In addition to can be used alone for patient, lung ventilator can also be connected
Expiration and the inspiratory resistance of respiration channel gas are adjusted on equal breathing assistance apparatus.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 (a) is the structural schematic diagram one of the utility model external screw rod sleeve.
Fig. 2 (b) is the structural schematic diagram two of the utility model external screw rod sleeve.
Fig. 3 is the structural schematic diagram of the utility model air-breathing spool.
Fig. 4 is the structural schematic diagram of the utility model expiration spool.
Fig. 5 is the structural schematic diagram of the utility model inner nut.
Fig. 6 is the structural schematic diagram of the utility model outer nut.
Fig. 7 is the structural schematic diagram of the utility model inner screw.
In attached drawing, 1. outer barrels, 2. external screw rod sleeves, 21. first stomatas, 22. second stomatas, 23. third stomatas, 24. is convex
It encloses, 25. steps, 3. outer nuts, 4. air-breathing spools, 5. breath pressure adjustment springs, 6. pressure of inspiration(Pi) adjustment springs, spiral shell in 7.
Bar, 8. inner nuts, 9. baffle rings, 10. expiration spools, 11. end caps, 111. the 4th stomatas, 12. bites.
Specific implementation mode
In conjunction with attached drawing, the technology contents of the utility model 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, breath pressure adjustment spring 5, pressure of inspiration(Pi) adjustment spring 6, inner screw 7, inner nut 8, baffle ring 9, is exhaled at air-breathing spool 4
Gas valve core 10, end cap 11, bite 12.
Inspiratory resistance regulating system：
By external screw rod sleeve 2, air-breathing spool 4, pressure of inspiration(Pi) adjustment spring 6, inner screw 7, inner nut 8, expiration spool 10
It is formed with end cap 11.External screw rod sleeve 2 and end cap 11 by gluing connect firmly together with and air-breathing spool 4 and 10 structure of expiration spool
At 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 constituted 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 of pressure of inspiration(Pi) adjustment spring 6
One-way cock is constituted on 2 step, when the air pressure in the cavity is sufficiently low so that inner and outer air pressure acts on air-breathing spool 4
When active force acts on the active force on air-breathing spool 4 more than pressure of inspiration(Pi) adjustment spring 6, air-breathing spool 4 moves right, air-breathing
The valve that spool 4 and external screw rod sleeve 2 are constituted may turn on, and external gas will suck lung by valve by human body.By
Constant, the elongation of adjustment 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,
Pass through the pressure of the 12 empty cavity pressures being connected to oral cavity of being difficult to articulate, that is, human oral cavity when being opened to control valve.Valve
Human oral cavity pressure and external pressure gap are bigger when unlatching, and the inspiratory resistance of lung is bigger, act on lung's air-breathing muscle group
On load will be bigger.Namely by the elongation of adjustment 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.
The specific implementation principle that 6 elongation of pressure of inspiration(Pi) adjustment spring is adjusted is as follows：
Inner screw 7 and end cap 11 are in axial direction constrained by 7 right side stopper portions of inner screw, and the two is in an axial direction without phase
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
It constrains along circumferential direction, the two is circumferentially without relative motion.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
It constrains, 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 screw-thread fit, inner nut 8 axially will 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 of pressure of inspiration(Pi) adjustment 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 in an axial direction
Displacement regulated quantity △ x, the stiffness K of spring 6 is smaller, and adjustment spring makes the corresponding springs of its length variation △ 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.It was designing
Cheng Zhong, be according to the demand of resolution ratio, determining and spring rate relevant parameter such as outer diameter, line footpath, drift and the number of turns etc.
Value.Avoid crevice throttle between air-breathing spool 4 and the plate of the composition of external screw rod sleeve 2 excessive as possible simultaneously.Under this design philosophy, outside
2 left side step part of screw sleeve is designed to that conical boss, conical boss are connect using line as far as possible with 4 contact portion of air-breathing spool
It touches.
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 when axial movement, 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 constituted
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 constituted does not allow expiration gas to be discharged outward from the cavity,
Expiration gas can only outward be arranged by the one-way cock that expiration spool 10 is constituted with 2 right end structure of external screw rod sleeve from the cavity
It puts.Since breath pressure adjustment spring 5 has active force to act on expiration spool 10, 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 adjustment 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 of breath pressure adjustment spring 5 is adjusted, spring is regulated and controled
5 act on the active force of expiration spool 10, so that it may which valve opening corresponding mouth pressure when being exhaled with adjusting is adjusted to reach
The purpose of expiratory resistance and expiration muscle group load.
The specific implementation principle that 5 elongation of breath pressure adjustment spring is adjusted is as follows：
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
Constrained to the second guide runner of 1 inner wall of slot and outer barrel along 1 circumferential direction of outer barrel, the two circumferentially without relative motion, 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, the elongation of breath pressure adjustment spring 5 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 ensure the screw thread transmitting accuracy between outer nut 3 and external screw rod sleeve 2 and spring 5 by designing and manufacturing
Relevant parameter.In order to ensure mouth pressure is constant in entire exhalation process after in place for 6 length adjustment of spring, it is also desirable to pass through
Structure design reduces the rigidity of spring in the case where meeting load regulation as far as possible, while reducing valve maximum as far as possible and opening
When expiration spool 10 displacement.
The specific implementation of respiratory training is carried out using the instrument：
(1) lung's air-breathing muscle group is trained.Adjust 5 length of breath pressure adjustment spring so that spring 5 acts on outlet valve
Power on core 10 is minimum, reaches to the negligible degree of the resistance of exhalation process.Pressure of inspiration(Pi) adjustment spring 6 is adjusted,
Length is adjusted the load scale specified to doctor.Bite 12 is contained with mouth, is clamped with pince-nez device cue hole, with mouth pair
It bite 12 and carries out expiration and air-breathing, so that it may to realize that the air-breathing muscle group under predetermined load is trained.It, can be with according to physician guidance
Periodic adjustment inspiratory load and air-breathing training time solve the lung of inspiratory dyspnea to realize best training effect
Portion's functional rehabilitation problem.
(2) lung's expiration muscle group is trained.Adjust 6 length of pressure of inspiration(Pi) adjustment spring so that spring 6 acts on inlet valve
Power on core 4 is minimum, reaches to the negligible degree of the resistance of breathing process.Breath pressure adjustment spring 5 is adjusted,
Length adjusts the load scale specified to doctor.Bite 12 is contained with mouth, is clamped with pince-nez device cue hole, it is opposite with mouth
Bite 12 carries out expiration and air-breathing, so that it may to realize that the expiration muscle group under predetermined load is trained.According to physician guidance, Ke Yiding
Phase adjusts expiration load and the training time of exhaling solves the lung of expiratory dyspnea to realize best training effect
Functional rehabilitation problem.(3) lung's breathing muscle group training.The suction that 6 length adjustment of pressure of inspiration(Pi) adjustment spring is specified to doctor
Gas loads scale, and the expiration that 5 length adjustment of breath pressure adjustment spring to doctor is specified loads scale.Bite is contained with mouth
12, it is clamped with pince-nez device cue hole, carries out expiration and air-breathing against bite 12 with mouth, so that it may to realize the suction under predetermined load
Gas and comprehensive muscle group training of exhaling.It, can be with periodic adjustment inspiratory load, exhale load and tidal air training according to physician guidance
Time solves the problems, such as the lung functions rehabilitation of mixed dyspnea to realize best training effect.
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
It covers (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 third 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 mounted on by first axis limiting device on flange collar (24) one end of external screw rod sleeve so that described
Outer barrel (1) and external screw rod sleeve (2) can relative rotation, another end opening of the outer barrel (1), the end cap (11) is fixed on outer
On the other end of screw sleeve flange collar (24), the end cap (11) be equipped with the 4th stomata (111), the third stomata (23) with
4th stomata (111) is connected to, 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, third stomata are formed
(23), the 4th stomata (111) forms expiration air flue；
It is coaxially installed with inner screw (7) in the external screw rod sleeve (2), the inner screw (7) passes through the second axially stop block
It is 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
(11) rotation is covered, inner nut (8) is installed on the inner screw (7), the inner nut (8) is limited by the first circumferential limiting device
Position is 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)
It is inside also equipped with air-breathing spool (4), the air-breathing spool (4) is by the second circumferential limiting device limit in outer screw sleeve (2)
It is interior, one end of the air-breathing spool (4) connect with inner nut (8) by pressure of inspiration(Pi) adjustment spring (6) and with inner nut (8)
The other end of linkage, the air-breathing spool (4) is sealed in external screw rod sleeve step by pressure of inspiration(Pi) adjustment spring (6) compression
(25) in first seal, the air-breathing spool (4) passes through pressure of inspiration(Pi) with the pressure of first seal on step (25)
Adjustment spring (6) decrement controls；
The outer wall of the external screw rod sleeve (2) is equipped with external screw thread, and outer nut (3), institute are equipped on the external screw rod sleeve (2)
It states in the gap that outer nut (3) is limited by third circumferential direction limiting device between outer barrel (1) and external screw rod sleeve (2) 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 in gap, the expiration spool (10) is limited by third circumferential direction limiting device in outer barrel and outer spiral shell
In gap between rod sleeve, one end of the expiration spool (10) is connected by breath pressure adjustment spring (5) and outer nut (3)
It connects and links with outer nut (3), the other end of the expiration spool (10) is compressed by breath pressure adjustment spring (5) to be sealed
It is sealed in the second seal of outer screw sleeve flange collar (24), while by third stomata (23), the expiration spool (10)
It is controlled by breath pressure adjustment spring (5) decrement with the pressure of second seal in flange collar (24).
2. parallel connection type air-breathing according to claim 1 and expiration respiration training, it is characterised in that：The air-breathing spool
(4) it is being equipped with guide rod (41) with the second stomata (22) position corresponding position on, the guide rod (41) is in air-breathing spool (4) and outside
It is placed in the second stomata (22) when the step sealing of screw sleeve.
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) is that line contacts with the inner wall of the second stomata (22).
4. parallel connection type air-breathing according to claim 2 and expiration respiration training, it is characterised in that：The inner screw (7)
It is equipped with single thread, the single thread is cut into three of reduction threaded engagement frictional force, the external screw rod in an axial direction
External screw thread on the outer wall of sleeve (2) is cut into three of reduction threaded engagement frictional force in an axial direction.
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) being connected to 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) inner wall upper edge is axially arranged with multiple first guide runners, be respectively equipped on 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 constitutes the first circumferential limiting device, and the second guide groove on first guide runner and air-breathing spool (4) constitutes the
Two circumferential limiting devices；
The inner wall upper edge of the outer barrel (1) is axially arranged with multiple second guide runners, and the outer nut (3) is equipped with and is led with second
To the corresponding third guide groove of sliding block, the expiration spool (10) is equipped with the 4th guide groove corresponding with the second guide runner,
Third guide groove on second guide runner and outer nut (3) constitutes third circumferential direction limiting device, and described second is oriented to cunning
The 4th guide groove on block and expiration spool (10) constitutes 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. the parallel connection type air-breathing according to one of claim 1 to 7 and expiration respiration training, it is characterised in that：It is described outer
Cylinder (1) and external screw rod sleeve (2) are that transparent material is constituted, and are equipped on the outer barrel and external screw rod sleeve and adjust the negative of load
Carry scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364033.XU CN207708438U (en) | 2017-10-23 | 2017-10-23 | A kind of parallel connection type air-breathing and expiration respiration training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364033.XU CN207708438U (en) | 2017-10-23 | 2017-10-23 | A kind of parallel connection type air-breathing and expiration respiration training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207708438U true CN207708438U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721364033.XU Withdrawn - After Issue CN207708438U (en) | 2017-10-23 | 2017-10-23 | A kind of parallel connection type air-breathing and expiration respiration training |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899201A (en) * | 2017-10-23 | 2018-04-13 | 中南大学湘雅二医院 | A kind of parallel connection type air-breathing and expiration respiration training |
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2017
- 2017-10-23 CN CN201721364033.XU patent/CN207708438U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899201A (en) * | 2017-10-23 | 2018-04-13 | 中南大学湘雅二医院 | A kind of parallel connection type air-breathing and expiration respiration training |
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