CN207412158U - Valve, integrated air pump and electronic sphygmomanometer applied to sphygmomanometer - Google Patents
Valve, integrated air pump and electronic sphygmomanometer applied to sphygmomanometer Download PDFInfo
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- CN207412158U CN207412158U CN201720075003.0U CN201720075003U CN207412158U CN 207412158 U CN207412158 U CN 207412158U CN 201720075003 U CN201720075003 U CN 201720075003U CN 207412158 U CN207412158 U CN 207412158U
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Abstract
A kind of valve applied to sphygmomanometer of disclosure integrates air pump and electronic sphygmomanometer.The valve includes the first space, second space, the 3rd space and sealing structure.First space is provided with the first connector, and second space has exhaust outlet.Sealing structure is changed to control its movement relative to exhaust outlet by the gas differential pressure between the first space and the 3rd space, realizes the sealing to exhaust outlet and opening.Since the 3rd space can be different from the first space and second space, interior gas pressure intensity influences from presser unit gas circuit in air pump, and the first space being capable of easily formed pressure difference.So that opening, energy needed for exhaust outlet is small, and exhaust efficiency is high, and simple in structure, easy to process.
Description
Technical field
This application involves a kind of valve arrangements applied in electronic sphygmomanometer.
Background technology
A kind of valve arrangement for sphygmomanometer is disclosed in a Chinese invention patent (CN103140166A).The valve is fitted
For can compressed air be filled in air storage unit and rapidly discharge air from air storage unit, and manufacture at low cost, consumption
In the few small-sized fluid control device of electricity.
In above-mentioned patent, check-valves has the first valve basket and the first membrane.First membrane form the first valve chamber and
Second valve chamber.Air bleeding valve has the second valve basket and the second membrane.Second membrane forms the 3rd valve chamber and the 4th valve chamber.Check-valves
The either on or off due to pressure differential of the first valve chamber and the second valve chamber.Air bleeding valve is beaten due to the pressure differential of the 3rd valve chamber and the 4th valve chamber
Switch closes.
The problem of such valve, is：Air bleeding valve is to be opened by the pressure differential of the 3rd valve chamber and the 4th valve chamber to control, by
The gas of cuff discharge is filled in the 3rd valve chamber, and gas has been also filled in the 4th valve chamber, is all had in respective space certain
Pressure, therefore to generate that energy needed for enough pressure differences is big, and exhaust efficiency is low, and during processing and manufacturing difficulty compared with
Height, the process is more complicated.
Utility model content
The application provides a kind of valve applied to sphygmomanometer, integrates air pump and electronic sphygmomanometer.
The valve that the application provides, including：
First space is provided with the first connector for air inlet in the cavity wall in first space；
Second space, be provided in the cavity wall of the second space the second connector connected with air bag and for it is outer
The exhaust outlet of boundary's atmosphere；
Sealing structure, for sealing and opening exhaust outlet；
And the 3rd space, the sealing structure by the gas differential pressure between first space and the 3rd space change Lai
Its movement relative to exhaust outlet is controlled, realizes the sealing to exhaust outlet and opening.
As the further alternative of the valve, be formed as atmospheric pressure or first space in the 3rd space
And second space is separated with the 3rd space sealing.
As the further alternative of the valve, the first side of the sealing structure is located in the first space, described close
The second side opposite with the first side is located in the 3rd space on seal structure, when：
When first side pressure is more than the second side pressure, the sealing structure is mobile to exhaust outlet and seals
Exhaust outlet；When first side pressure is less than the second side pressure, the sealing structure is moved to the first space, is opened
Exhaust outlet；
Or, first side pressure be less than the second side pressure when, the sealing structure to exhaust outlet move simultaneously
Seal exhaust outlet；When first side pressure is more than the second side pressure, the sealing structure is moved to the first space,
Open exhaust outlet.
As the further alternative of the valve, the sealing structure includes elastic wall, elastic wall conduct simultaneously
First space and the locular wall in the 3rd space, the first side being located in the first space of the elastic wall is with being located in the 3rd space
Elastic wall sealing described in the official post of the second side pressure and opening exhaust outlet.
As the further alternative of the valve, the sealing structure includes elastic wall and close on elastic wall
Feng Ti, the locular wall as the first space and the 3rd space, the elastic wall are located in the first space the elastic wall simultaneously
First side and seal sealing described in the official post of the second side pressure in the 3rd space and opening exhaust outlet.
As the further alternative of the valve, the sealing structure includes sliding cavity and sealing and can slidably pacify
Slide mass in sliding cavity, the sliding cavity are communicated in the first space and the 3rd space, and the first side of the slide mass holds
It puts in the first space, the second side opposite with the first side is contained in the 3rd space, and the slide mass has sealing, institute
It states both seals described in the first side of slide mass and the official post of the second side pressure and opens exhaust outlet.
As the further alternative of the valve, the 3rd space and ambient atmosphere environmental communication are big to be formed
Air pressure.
As the further alternative of the valve, first space includes the leakage port normally opened to ambient atmosphere, institute
Leakage port is stated to be sized to：In the aeration phase of air bag, the leakage port discharge gas, the sealing structure always can
Enough seal exhaust outlet.
As the further alternative of the valve, the second space has the first air inlet, first air inlet
The first space and second space are connected, damping structure is equipped at first air inlet, the damping structure can be from first
Space is turned on to second space, and the opening of the damping structure does not influence the sealing structure and seals exhaust outlet.
As the further alternative of the valve, the damping structure is to lead to the unidirectional of second space by the first space
Valve.
As the further alternative of the valve, the elastic reset that exhaust outlet is opened for auxiliary sealing structure is further included
Structure, the sealing structure promote the elastic reset structural deformation when sealing exhaust outlet.
As the further alternative of the valve, the exhaust outlet is set from second space outwardly convex, the elasticity
Resetting structure includes spring, and the spring is set on the outer wall of exhaust outlet.
As the further alternative of the valve, the second space has the first air inlet, first air inlet
It is provided separately on the locular wall of second space.
The integrated air pump that the application provides, the presser unit including being used to provide gas are further included such as any of the above-described institute
The valve stated, the presser unit are connected with valve, for injecting gas into the first space and/or second space.
As the further alternative of the integrated air pump, the presser unit includes motor, electromagnetic reciprocating power source
Or piezoelectric vibrator.
As the further alternative of the integrated air pump, negative pressure generator is further included, the negative pressure generator is used for
Negative pressure is formed in the first space or the 3rd space.
The electronic sphygmomanometer that the application provides, the baroceptor including air bag and for detecting air pressure, which is characterized in that
It further includes such as integrated air pump described in any one of the above embodiments, the integrated air pump is connected with air bag.
Another electronic sphygmomanometer that the application provides, including air bag, air pump and baroceptor for detecting air pressure,
The baroceptor is connected with air bag, is further included such as valve described in any one of the above embodiments, and the air pump is connected to gas through the valve
Capsule.
The advantageous effect of the application is：
The valve that the application provides includes the first space, second space, the 3rd space and sealing structure.First space is provided with
For the first connector of air inlet, second space has the second connector connected with air bag and the exhaust outlet being in communication with the outside.
Sealing structure is changed to control its movement relative to exhaust outlet, realization pair by the gas differential pressure between the first space and the 3rd space
The sealing of exhaust outlet and opening.Since the 3rd space is different from the first space and second space, interior gas pressure intensity can be from
Presser unit gas circuit influences, and the first space being capable of easily formed pressure difference.So that open energy needed for exhaust outlet
Small, exhaust efficiency height is measured, and it is simple in structure, it is easy to process.
Description of the drawings
Fig. 1 is schematic diagram when the application integrates the first embodiment Exhaust Open state of air pump；
Schematic diagram when Fig. 2 is exhaust close state in embodiment illustrated in fig. 1；
Fig. 3 is schematic diagram when the application integrates second of embodiment Exhaust Open state of air pump；
Fig. 4 is schematic diagram when the application integrates the third embodiment Exhaust Open state of air pump；
Fig. 5 is schematic diagram when the application integrates the 4th kind of embodiment Exhaust Open state of air pump；
Schematic diagram when Fig. 6 is exhaust close state in embodiment illustrated in fig. 5；
Fig. 7 is schematic diagram when the application integrates the 5th kind of embodiment Exhaust Open state of air pump；
Schematic diagram when Fig. 8 is exhaust close state in embodiment illustrated in fig. 7；
Fig. 9 is schematic diagram when the application integrates the 6th kind of embodiment Exhaust Open state of air pump；
Figure 10 is schematic diagram when the application integrates the 7th kind of embodiment Exhaust Open state of air pump；
Figure 11 is schematic diagram when the application integrates the 8th kind of embodiment Exhaust Open state of air pump；
Figure 12 is schematic diagram when the application integrates the 9th kind of embodiment Exhaust Open state of air pump
Figure 13 integrates the tenth kind of embodiment decomposition diagram of air pump for the application；
Figure 14 is another visual angle decomposition diagram of structure shown in Figure 13；
Figure 15 be in embodiment illustrated in fig. 13 second piston chamber to the first inflated spatial schematic diagram；
Figure 16 be in embodiment illustrated in fig. 13 first piston chamber to the first inflated spatial schematic diagram；
Figure 17 is the schematic diagram that second space air inlet is opened under state shown in Figure 16；
Figure 18 is that second piston chamber supplies schematic diagram to air bag in embodiment illustrated in fig. 13；
Figure 19 is that first piston chamber supplies schematic diagram to air bag in embodiment illustrated in fig. 13；
Figure 20 is exhaust phase schematic diagram in embodiment illustrated in fig. 13；
Figure 21 is a kind of schematic diagram of embodiment of the application electronic sphygmomanometer；
Figure 22 is the schematic diagram of second of embodiment of the application electronic sphygmomanometer.
Specific embodiment
The application can be realized with many different forms, however it is not limited to the present embodiment described embodiment.It carries
Be easy for becoming apparent from thorough explanation to present disclosure for the purpose of detailed description below, wherein above and below, it is left,
The words of the indicating positions such as right, forward and backward be only for shown structure in respective figure for position.
In some instances, since some embodiments belong to existing or routine techniques, it is not described or does not have
Detailed description.
In addition, technical characteristic described herein, technical solution can also be closed arbitrarily in one or more embodiments
Suitable mode combines.For those skilled in the art, should be readily appreciated that with provided herein is embodiment related method
Step or operation order can also change.Any order in drawings and examples is merely illustrative purposes, and not implying that will
It asks in a certain order, is required unless expressly stated according to a certain order.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any order or art-recognized meanings.And " connection ", " connection " described in the application, it (is not formed from phase lance in the case that rationally
In the case of shield), include directly or indirectly connecting (connection).
The application mainly discloses a kind of valve applied to sphygmomanometer, should include the first space, second space, the 3rd space
And sealing structure.
The first connector for air inlet is provided in the cavity wall in first space, be provided in the cavity wall of second space for
Second connector of air bag connection and the exhaust outlet for being connected with ambient atmosphere.
Sealing structure changes to control it with respect to the shifting of exhaust outlet by the gas differential pressure between the first space and the 3rd space
It is dynamic, realize the sealing to exhaust outlet and opening.
Since the 3rd space is different from the first space and second space, interior gas pressure intensity can be from presser unit gas circuit
It influences, the first space being capable of easily formed pressure difference.So that energy needed for opening exhaust outlet is small, exhaust efficiency
Height, and it is simple in structure, it is easy to process.
It is empty it is possible to further which atmospheric pressure or the 3rd space and the first space and second will be formed as in the 3rd space
Between seal and separate, and sealing structure changes to control its opposite to arrange by the gas differential pressure between first space and the 3rd space
The sealing to exhaust outlet and opening are realized in the movement of gas port.
When what is formed in the 3rd space is atmospheric pressure, the first space being capable of easily formed pressure difference.When
When during three spaces independently of the first space and second space, can relatively low pressure easily be formed in the 3rd space,
Such as negative pressure or low pressure, equally also it can be readily formed pressure difference with the first space.So that it opens needed for exhaust outlet
Energy is small, and exhaust efficiency is high, and simple in structure, easy to process.
Further, the first side of sealing structure is located in the first space, opposite with the first side second in sealing structure
Side is located in the 3rd space, when：
When first side pressure is more than the second side pressure, sealing structure is mobile to exhaust outlet and seals exhaust outlet；
When first side pressure is less than the second side pressure, sealing structure is moved to the first space, opens exhaust outlet；
Or, first side pressure when being less than the second side pressure, sealing structure is mobile to exhaust outlet and seals exhaust
Mouthful；When first side pressure is more than the second side pressure, sealing structure is moved to the first space, opens exhaust outlet.
The present invention is described in further detail below by specific embodiment combination attached drawing.
Embodiment one：
The present embodiment one provides a kind of integrated air pump, including for providing the presser unit of gas and a kind of valve knot
Structure.The presser unit is connected with valve, for injecting gas into the first space and/or second space.
It please refers to Fig.1, which includes the first space 110,120 and the 3rd space 130 of second space.
Presser unit includes the first presser unit 150, which is connected with the first of the first space 110
Mouth 111 connects, the first connector 111 not only air inlet as the first space 110, but also the leakage port as the first space 110.
The first space of the first air inlet 121 connection 110 and the second space 120 of the second space 120, in the first air inlet
Damping structure 124 is equipped at 121, which can turn on from the first space 110 to second space 120, damping structure
124 opening does not influence the sealing structure and seals exhaust outlet.
Be formed as atmospheric pressure in 3rd space 130, be by the way that the 3rd space 130 and ambient atmosphere environmental communication are come reality
It is existing, the 3rd space 130 is specifically arranged to a cavity communicated with the external world.As shown in Figure 1, the 3rd space of the present embodiment
130 be the space of a half opening, and 100 represent external atmosphere pressures in figure, and line correspondence represents gas channels.
In other embodiments, the 3rd space 130 can also be directly equivalent to external atmosphere pressure environment.
In the present embodiment, the first space 110 and second space 120 are supplied by the first presser unit 150.First pressurization is single
Member 150 first injects gas to the first space 110, when gas and the atmospheric pressure in the 3rd space 130 are formed enough in the first space 110
During pressure difference, sealing structure can be promoted to be moved to the exhaust outlet 123 of second space 120, and seal exhaust outlet 123.
Sealing structure includes elastic wall 141, and elastic wall 141 is simultaneously as the first space 110 and the room in the 3rd space 130
Wall, the first side being located in the first space 110 and the second side pressure in the 3rd space 130 of elastic wall 141 it
Official post elastic wall 141 seals and opens exhaust outlet 123.
It please refers to Fig.2, when air pressure continues to rise to setting pressure in the first space 110, damping structure 124 will be moved,
Open the first air inlet 121 between the first space 110 and second space 120, gas enters second space 120.Open resistance
The power of Buddhist nun's structure 124 is set greater than the power for making sealing structure sealing exhaust outlet 123, therefore the opening of damping structure 124 will not
Influence sealing of the sealing structure to exhaust outlet 123.In a state that exhaust outlet 123 keeps sealing, the gas in second space 120
It is sent to from the second connector 122 in air bag 200.
The damping structure 124 can be the check valve for leading to second space 120 by the first space 110, which touches
Hair pressure is more than the pressure difference for sealing exhaust outlet 123.Specifically, which can be mounted at the first air inlet 121
Umbrella shape elastic component, the umbrella handle of elastic component is partially installed at the first air inlet 121, and umbrella cover part seals the first air inlet
121.When air pressure is sufficiently large, the deformation of umbrella cover part will be promoted, opens the first air inlet 121.
In exhaust phase, 150 conversion of the first presser unit action makes gas in the first space 110 from the first connector
111 discharge, and when the compressed gas pressure in the first space 110 is reduced to certain value, sealing structure return opens exhaust outlet 123,
So as to which the gas in air bag 200 is discharged to through second space 120 in air.
Further, in order to enable 141 better seal exhaust outlet 123 of elastic wall, exhaust outlet 123 can be set
To be set to 141 one side of elastic wall protrusion.
When the 3rd space 130 is the separate space in opposite first space 110 and the sealing of second space 120, first
Pressure difference between 110 and the 3rd space 130 of space can be come real by way of forming negative pressure in any one space thereto
Existing, the formation of negative pressure can utilize negative pressure generator to realize.
For presser unit, it can be using motor as the device of driving force or be also likely to be electromagnetic reciprocating power
Other driving devices such as source or piezoelectric vibrator.
Embodiment two：
The present embodiment two provides another integrated air pump, with integrated shown in embodiment one air pump difference lies in：
It please refers to Fig.2, the first connector of valve shown in the present embodiment includes leakage port 112 He normally opened to ambient atmosphere
For the second air inlet 113 of air inlet.Leakage port 112 is sized to：In the aeration phase of air bag 200,112 row of leakage port
When going out gas, sealing structure can seal exhaust outlet 123 always.
Wherein, the second air inlet 113 is connected with the first presser unit 150, for being inflated into the first space 110.Lose heart
Mouth 112 is then provided separately on the locular wall in the first space 110, for losing heart.
In the aeration phase of air bag 200, after leakage port 112 discharges gas, the first space 110 and the 3rd space 130
Pressure difference can make elastic wall 141 seal up exhaust outlet 123 always.That is, in 200 aeration phase of air bag, the gas that leakage port 112 releases
Body can't influence the sealing effect to exhaust outlet 123.
Only in exhaust phase, the first presser unit 150, which slows down, even stops supply, at this time the gas in the first space 110
It is gradually discharged from leakage port 112, pressure in the first space 110 is made to become smaller, so as to be gradually opened exhaust outlet 123.
The setting of this leakage port 112 is a kind of simple mode easily made.It alternatively, can also be by setting a control valve
To control the leakage port 112.In aeration phase, which is closed always, and when needing to lose heart, this is controlled
Valve is opened, and is lost heart by leakage port 112.There is the control of control valve, then the size of the leakage port 112 and number are no longer by first
In space 110 influence of pressure, the bigger that can be set or more some, so also can quickly discharge in the first space 110
Gas.
Embodiment three：
The present embodiment three provides another integrated air pump, with integrated shown in embodiment one air pump difference lies in：
The valve further includes the elastic reset structure that exhaust outlet is opened for auxiliary sealing structure, which seals exhaust
Promote elastic reset structural deformation during mouth so that the restoring force of elastic reset structure has the trend for resetting sealing structure.
Specifically, please refer to Fig.4, exhaust outlet 123 is set towards sealing structure protrusion, which includes spring
142, which is set on the outer wall of exhaust outlet 123, withstands deformed elastic wall 141.
In exhaust phase, when the pressure in the first space 110 gradually decreases to a certain size, which exists
141 faster return of elastic wall is promoted under the action of restoring force, so as to open exhaust outlet 123 faster, makes second space 120
Quick air releasing.
Certainly, which can also be arranged in the first space 110, such as be arranged to a kind of tension type bullet
Property structure.
Example IV：
The present embodiment four provides another integrated air pump, with integrated shown in embodiment one air pump difference lies in：
Figures 5 and 6 are refer to, which includes elastic wall 141 and the seal 143 on elastic wall 141, bullet
Property the locular wall as the first space 110 and the 3rd space 130 simultaneously of wall 141, elastic wall 141 in the first space 110
First side and the official post seal 143 of the second side pressure in the 3rd space 130 seal and open exhaust outlet 123.
Embodiment five：
The present embodiment five provides another integrated air pump, with integrated shown in example IV air pump difference lies in：
Fig. 7 and 8 are refer to, sealing structure includes sliding cavity 144 and sealing and can be slidably mounted in sliding cavity 144
Slide mass 145.Sliding cavity 144 is communicated in the first space 110 and the 3rd space 130, and the first side of slide mass 145 is contained in
In one space 110, the second side opposite with the first side is contained in the 3rd space 130, and slide mass 145 has sealing, sliding
First side of kinetoplast 145 and the official post both seals of the second side pressure and opening exhaust outlet 123.
Embodiment six：
The present embodiment six provides another integrated air pump, with integrated shown in embodiment two air pump difference lies in：
Fig. 9 is refer to, the first air inlet 121 is provided separately on the locular wall of second space 120.The integrated air pump further includes
Second presser unit 160, second presser unit 160 are connected with the first air inlet 121, for being carried out into second space 120
Supply.
Embodiment seven：
The present embodiment seven provides another integrated air pump, with integrated shown in embodiment six air pump difference lies in：
0 is please referred to Fig.1, the first air inlet 121 is provided separately on the locular wall in the first space 110.First space 110 and
Two spaces 120 are additionally provided with the 3rd connector 125.Damping structure 124 is provided at 3rd connector 125, the damping structure 124
It can be turned on from the first space 110 to second space 120, the opening of damping structure 124 does not influence sealing structure and seals exhaust outlet
123。
Second presser unit 160 is connected with the first air inlet 121, for being supplied into second space 120.When
When air pressure in one space 110 is sufficiently large, extra gas is transported to by the second connector 122 in second space 120,
The gas flow of second space 120 is improved, reduces the service life of second space 120, improves capacity usage ratio.
Embodiment eight：
The present embodiment eight provides another integrated air pump, with integrated shown in embodiment six air pump difference lies in：
1 is please referred to Fig.1, which includes negative pressure generator 170, and the 3rd space 130 is independently of the first space
110 and a sealing space of second space 120, the negative pressure generator 170 act in the 3rd space 130, can be empty the 3rd
Between negative pressure are formed in 130.
For the sealing structure 147 between the first space 110 and the 3rd space 130, the first side is located at the first space 110
Interior, the second side is located in the 3rd space 130, can be easily in the first space 110 when forming negative pressure in the 3rd space 130
And the 3rd form pressure difference between space 130, it is close so as to which sealing structure 147 be promoted to be moved to the exhaust outlet 123 of second space 120
Seal exhaust outlet 123.
Embodiment nine：
Present embodiments provide another integrated air pump, with integrated shown in embodiment eight air pump difference lies in：
2 are please referred to Fig.1, second presser unit 160 is directly supplied to air bag 200 in the present embodiment, and the second connector
122 as the blow vent in exhaust phase air bag 200 to second space 120.
In 200 aeration phase of air bag, exhaust outlet 123 is sealed.When air bag 200 is vented, exhaust outlet 123 is opened, gas
It is discharged from exhaust outlet 123.
Embodiment ten：
The present embodiment ten provides another integrated air pump.
3 to 15 are please referred to Fig.1, which is included in addition to including driving device, further includes piston body support frame 410, lives
Cock body 420, lower lock block 430, check valve assembly 440, upper holder block 450, elastomer 460 and gas nozzle 470.
The piston body 420 is installed on piston body support frame 410.The piston body 420 includes first piston chamber 421 and second
Plunger shaft 422 is respectively arranged with piston intake hole in two plunger shafts 421,422, for air inlet.The lower lock block 430 is pressed in work
On cock body 420, and two plunger shafts 421,422 are covered, form seal cavity.
There are two groove 431,434 and four through holes 432,433,435,436 for tool on lower lock block 430.Check valve assembly 440
It is covered on lower lock block 430, check valve assembly 440 includes the first check valve 441, the second check valve 442, the 3rd check valve 443
With the 4th check valve 444.
The check valve assembly 440 covers lower lock block 430, and forms gas channels with the groove of lower lock block 430 and through hole.
Specifically, groove 431 is connected with the air inlet of the first check valve 441, and through hole 432 is connected with the gas outlet of the first check valve 441,
And it extends in first piston chamber 421.Meanwhile 433 lower end of through hole is connected with first piston chamber 421, and 433 upper end of through hole and the
The air inlet connection of two check valves 442.Similarly, groove 434 is connected with the air inlet of the 3rd check valve 443, through hole 435 and
The gas outlet connection of three check valves 443, and extend in second piston chamber 422.Meanwhile 436 lower end of through hole and second piston chamber
422 connections, and 436 upper end of through hole is connected with the air inlet of the 4th check valve 444.
On check valve assembly 440, elastomer 460 is laid on upper holder block 450 450 bedding of upper holder block, 470 buckle closure of gas nozzle
Valve chest is formed on elastomer 460, and with upper holder block 450.
Gas nozzle 470 includes an interface 471, sets the second connector 122 in interface, sees Figure 15, elastomer 460 is set
It is equipped with venthole 461.
3,14 and 15 are please referred to Fig.1, upper holder block 450 sets the first cavity 451, and two briquettings are set in the first cavity 451
452, and there is gap between briquetting 452.In first cavity 451 part of corresponding 4th check valve 444 be also provided with one it is logical
Hole 453, which upwardly extends and through upper holder block 450, and aligns with the through hole 463 on elastomer 460.The upper holder block
The opposite side of 450 opposite first cavitys 451 has the second cavity 454 and the 3rd cavity 455, is provided in the second cavity 454 stifled
First 458, which props up the venthole 461 on elastomer 460, and it is another from the second cavity 454 to elastomer 460 to form one kind
The check valve of one side.
Upper holder block 450 also has exhaust passage 4510, and one end of the exhaust passage 4510 is through the through hole on elastomer 460
463 communicate with gas nozzle 470, and the other end of exhaust passage 4510 is opened on the boss 459 in the 3rd cavity 455, at this point, elastic
Body 460 forms second space 120 together with gas nozzle 470 and exhaust passage 4510.A part for elastomer 460 is arranged on the 3rd
Sealing 462 is used as in cavity 455, and the side wall in the 3rd cavity 455 around the boss 459 is equipped with external hole 457, this is outer
The space that connecing hole 457 is surrounded the 3rd cavity 455 and the sealing 462 is connected with ambient atmosphere, forms the 3rd space 130.
Sealing 462 surrounds a space with gas nozzle 470, and through hole 453 and the space of upper holder block 450 pass through elastomer
Through hole 463 on 460 connects, so that the space communicates to form the first space 110 with the first cavity 451.It is empty using first
Between 110 and the 3rd space 130 sealing and opening of the pressure difference control sealing 462 to exhaust outlet 123.
In the present embodiment, 3-15 is please referred to Fig.1, driving device output pumps, and drives above and below piston
Move back and forth, so as to change the space size of first piston chamber 421 and second piston chamber 422, complete to extraneous air-breathing and
To supplying gas for the second gas chamber 120 and the first space 110.
In the present embodiment, which includes motor 310 and the pressure assembly being fixedly mounted on motor 310,
As in 310 rotation process of motor, pressure assembly props up the one side shape of the locular wall of first piston chamber 421 and second piston chamber 422
Into relief, higher position sequentially forms first piston chamber 421 or second piston chamber 422 and squeezes in relief, relief
In relatively low position sequentially make spatial expansion in second piston chamber 422 or first piston chamber 421.
Please continue to refer to Figure 13 to 15, in order to form relief when rotated, the pressure assembly of the present embodiment includes inclined shaft
320, swing rod 330, eccentric body 340 and stent hook 350.The eccentric body 340 is fixed in the rotation axis of motor 310, eccentric body
One inclined hole of eccentric setting on 340.In 320 one end of inclined shaft insertion inclined hole, with the oblique eccentric setting of rotation axis.The swing rod 330 has
There are centre bore and plush copper, 320 other end of inclined shaft is inserted into centre bore, and the plush copper of swing rod 330 props up piston.
Wherein, stent hooks 350 fixations for being used for motor 310, piston body support frame 410 and each air chamber structure.Such as Figure 13 extremely
Shown in 15, which, which hooks 350, has at least two hooks stretched out upwards, hooks superposed gas nozzle 470 and is determined
Position.
The course of work of the present apparatus is summarized as follows：
In aeration phase, i.e., during being inflated to air bag 200, to squeeze second piston chamber 422 as original state.
Please refer to Fig.1 5, when motor 310 start rotation when, first piston chamber 421 is expanded, air along route shown by arrows into
Enter first piston chamber 421.Meanwhile second piston chamber 422 is shunk, direction shown in compressed air along arrow enters the first space 110.
Due to being rapidly risen in the 3rd space 130 in atmospheric pressure state, the pressure in the first space 110 much larger than the 3rd space 130
Pressure state, the pressure difference between the first space 110 and the 3rd space 130 makes 462 deformation of elastic portion, is closed exhaust outlet 123.
6 are please referred to Fig.1, when the higher position of swing rod 330 moves to first piston chamber 421, first piston chamber 421 is received
Contracting, gas in first piston chamber 421 can first through the second check valve 442 in the direction of the arrow, feed to the first space 110, while the
Two plunger shafts, 422 inner volume is expanded, along the direction of arrow in the figure air-breathing.
7 are please referred to Fig.1, when air pressure is sufficiently large in space 180, it will the venthole 461 of elastomer 460 is pushed away stifled
First 458, the one side space 180 so as to be the first space of gas 110 is entered in second space 120.At this point, due to exhaust outlet
123 are sealed, and gas will be transported to by gas nozzle 470 in air bag 200.
8 are please referred to Fig.1, when the higher position of swing rod 330 is re-moved to second piston chamber 422, second is lived at this time
The gas filled in chamber 422 enters in the first space 110, wherein into the gas part in the first space 110 for the row of sealing
Gas port 123, another part is from the gap between block 252 by the way that and the venthole 461 through elastomer 460 is supplied to air bag 200
It is interior.
9 are please referred to Fig.1, when the higher position of swing rod 330 is re-moved to first piston chamber 122, first is lived at this time
Gas in plug chamber 122 enters in space 180, another into the gas part in 180 spaces for sealing exhaust outlet 123
Part is supplied to from the venthole 461 of elastomer 460 in air bag 200.
The valve is in piston supply starting stage first piston chamber 421 and second piston chamber 422 first mainly to the first space 110
Supply, can quickly seal exhaust outlet 123.Then when pressure increases to a certain size, the air inlet of second space 120 is opened
Mouthful, just supplied to second space 120.Meanwhile when the air pressure in the first space 110 is sufficiently large, extra gas is transported to
In second space 120, the gas flow of second space 120 is improved, reduces the service life of second space 120, improves energy utilization
Rate.
In exhaust phase, i.e., during air bag 200 is exhausted, 0 is please referred to Fig.2, motor 310 stops or slow down speed
It spends, the gas in the first space 110 is discharged from the leakage port 112 for being arranged on gas nozzle 470, makes the first space 110 and the 3rd gas chamber
Pressure difference be not enough to keep elastic portion 462 maintain sealing state, elastic portion 462 selfer power effect under depart from exhaust outlet
123, so as to open exhaust outlet 123, discharge the direction shown in arrow along Figure 20 of the gas in air bag 200 and second space 120.
In addition, driving device can also use electromagnetic reciprocating power source to replace motor 310, electromagnetic reciprocating power source effect
In first piston chamber 421 and the locular wall of second piston chamber 422, electromagnetic reciprocating power source output reciprocating motion drives first piston
The locular wall of chamber 421 and second piston chamber 422 is shunk and expansion.
Alternatively, driving device can also use piezoelectric vibrator to replace motor 310, which acts on first piston chamber
421 and the locular wall of second piston chamber 422, the piezoelectric vibrator output reciprocating motion drive first piston chamber 421 and second piston chamber
422 locular wall is shunk and expansion.The piezoelectric vibrator, can also be by organic piezoelectric materials either be made of inorganic piezoelectric material
It is made, such as ultrasonic vibrator etc..
The first driving means for acting on the first gas chamber and the second driving device for acting on the 3rd gas chamber can be same
Different driving devices can also be respectively adopted in a driving device.Any of the above driving device may be configured as by same device
It does manual work simultaneously to first piston chamber 421 and second piston chamber 422,310 driving device of motor as escribed above.In other realities
It applies in example or two groups of driving devices is set, do work respectively to first piston chamber 421 and second piston chamber 422.
Embodiment 11：
The present embodiment provides a kind of electronic sphygmomanometers.
Please refer to Fig.2 1, this electronic sphygmomanometer include air bag 1000, for detect the baroceptor 2000 of air pressure and
For the integrated air pump 3000 of output gas, which employs such as any integrated air pump of above-described embodiment,
In, the second connector 123 of the integrated air pump 3000 is connected with air bag 1000, carries out inflation/deflation.
When cuff air bag 1000 is bundled in the limbs of user, sphygmomanometer starts to measure, and integrates air pump 3000 to cuff
Air bag 1000 pressurizes, and sphygmomanometer measures the pressure signal for including blood pressure signal by sensor 2000；Once measuring blood pressure, measure
Terminate, integrate 3000 stopping of air pump action, cuff air bag 1000 is by integrating air pump 3000 by the compressed gas in cuff air bag
Discharge.
Embodiment 12：
Electronic sphygmomanometer provided in this embodiment in place of the difference of electronic sphygmomanometer shown in embodiment 11 with being：
2 are please referred to Fig.2, this electronic sphygmomanometer includes air bag 1000, baroceptor 2000, gas for detecting air pressure
Pump 4000 and valve 5000, the valve 5000 employ the valve as shown in above-mentioned any embodiment, which connects through valve 5000
In air bag 1000, inflation/deflation is carried out.
The above content is combine specific embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, do not taking off
On the premise of from present inventive concept, several simple deduction or replace can also be made.
Claims (18)
1. a kind of valve applied to sphygmomanometer, which is characterized in that including：
First space is provided with for the first connector of air inlet in the cavity wall in first space；
Second space is provided with the second connector connected with air bag and for big with the external world in the cavity wall of the second space
The exhaust outlet of gas connection；
Sealing structure, for sealing and opening exhaust outlet；
And the 3rd space, the sealing structure are changed to control by the gas differential pressure between first space and the 3rd space
It realizes the sealing to exhaust outlet and opening relative to the movement of exhaust outlet.
2. it is applied to the valve of sphygmomanometer as described in claim 1, which is characterized in that be formed as atmospheric pressure in the 3rd space,
Or first space and second space are separated with the 3rd space sealing.
3. it is applied to the valve of sphygmomanometer as described in claim 1, which is characterized in that the first side of the sealing structure is located at first
In space, the second side opposite with the first side is located in the 3rd space in the sealing structure, when：
When first side pressure is more than the second side pressure, the sealing structure is mobile to exhaust outlet and seals exhaust
Mouthful；When first side pressure is less than the second side pressure, the sealing structure is moved to the first space, opens exhaust
Mouthful；
Or, first side pressure, when being less than the second side pressure, the sealing structure is mobile to exhaust outlet and seals
Exhaust outlet；When first side pressure is more than the second side pressure, the sealing structure is moved to the first space, is opened
Exhaust outlet.
4. it is applied to the valve of sphygmomanometer as claimed in claim 3, which is characterized in that the sealing structure includes elastic wall, described
Elastic wall while the locular wall as the first space and the 3rd space, the first side and position that are located in the first space of the elastic wall
Elastic wall sealing described in official post in the second side pressure in the 3rd space and opening exhaust outlet.
5. it is applied to the valve of sphygmomanometer as claimed in claim 3, which is characterized in that the sealing structure includes elastic wall and installation
Seal on elastic wall, the elastic wall while the locular wall as the first space and the 3rd space, the position of the elastic wall
It seals and beats in the first side in the first space and seal described in the official post of the second side pressure in the 3rd space
Begin to rehearse gas port.
6. it is applied to the valve of sphygmomanometer as claimed in claim 3, which is characterized in that the sealing structure includes sliding cavity and sealing
And the slide mass in sliding cavity can be slidably mounted on, the sliding cavity is communicated in the first space and the 3rd space, the cunning
First side of kinetoplast is contained in the first space, and the second side opposite with the first side is contained in the 3rd space, and the slip
Body has sealing, and the first side of the slide mass is vented with both seals described in the official post of the second side pressure and opening
Mouthful.
7. it is applied to the valve of sphygmomanometer as claimed in claim 2, which is characterized in that the 3rd space connects with ambient atmosphere environment
It is logical, to form atmospheric pressure.
8. it is applied to the valve of sphygmomanometer as described in claim any one of 1-7, which is characterized in that first space includes external
The normally opened leakage port of boundary's air, the leakage port are sized to：In the aeration phase of air bag, the leakage port discharges gas
When, the sealing structure can seal exhaust outlet always.
9. it is applied to the valve of sphygmomanometer as described in claim any one of 1-7, which is characterized in that the second space has first
Air inlet, first air inlet connect the first space and second space, and damping structure, institute are equipped at first air inlet
It states damping structure to turn on from the first space to second space, the opening of the damping structure does not influence the sealing structure envelope
Firmly exhaust outlet.
10. it is applied to the valve of sphygmomanometer as claimed in claim 9, which is characterized in that the damping structure is to be led to by the first space
To the check valve of second space.
11. it is applied to the valve of sphygmomanometer as described in claim any one of 1-7, which is characterized in that further include for auxiliary seal
Structure opens the elastic reset structure of exhaust outlet, and the sealing structure promotes the elastic reset structure shape when sealing exhaust outlet
Become.
12. it is applied to the valve of sphygmomanometer as claimed in claim 11, which is characterized in that the exhaust outlet is from second space convex
It rises and sets, the elastic reset structure includes spring, and the spring is set on the outer wall of exhaust outlet.
13. it is applied to the valve of sphygmomanometer as described in claim any one of 1-7, which is characterized in that the second space has the
One air inlet, first air inlet are provided separately on the locular wall of second space.
14. a kind of integrated air pump, the presser unit including being used to provide gas, which is characterized in that further include such as claim 1-
13 any one of them valves, the presser unit are connected with valve, for injecting gas into the first space and/or second space.
15. integrated air pump as claimed in claim 14, which is characterized in that the presser unit includes motor, electromagnetic reciprocating power
Source or piezoelectric vibrator.
16. integrated air pump as claimed in claim 14, which is characterized in that further include negative pressure generator, the negative pressure generator is used
In forming negative pressure in the first space or the 3rd space.
17. a kind of electronic sphygmomanometer, the baroceptor including air bag and for detecting air pressure, which is characterized in that further include as
Claim 14-16 any one of them integrates air pump, and the integrated air pump is connected with air bag.
18. a kind of electronic sphygmomanometer, including air bag, air pump and baroceptor for detecting air pressure, the baroceptor
It is connected with air bag, which is characterized in that further include such as claim 1-13 any one of them valves, the air pump is connected through the valve
In air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075003.0U CN207412158U (en) | 2017-01-19 | 2017-01-19 | Valve, integrated air pump and electronic sphygmomanometer applied to sphygmomanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075003.0U CN207412158U (en) | 2017-01-19 | 2017-01-19 | Valve, integrated air pump and electronic sphygmomanometer applied to sphygmomanometer |
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| Publication Number | Publication Date |
|---|---|
| CN207412158U true CN207412158U (en) | 2018-05-29 |
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ID=62398560
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| CN201720075003.0U Active CN207412158U (en) | 2017-01-19 | 2017-01-19 | Valve, integrated air pump and electronic sphygmomanometer applied to sphygmomanometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691422A (en) * | 2017-01-19 | 2017-05-24 | 深圳金亿帝医疗设备股份有限公司 | Valve applied to sphygmomanometer, integrated air pump and electronic sphygmomanometer |
-
2017
- 2017-01-19 CN CN201720075003.0U patent/CN207412158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691422A (en) * | 2017-01-19 | 2017-05-24 | 深圳金亿帝医疗设备股份有限公司 | Valve applied to sphygmomanometer, integrated air pump and electronic sphygmomanometer |
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