CN104523257B - Integrally pump valve module - Google Patents
Integrally pump valve module Download PDFInfo
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- CN104523257B CN104523257B CN201410801287.8A CN201410801287A CN104523257B CN 104523257 B CN104523257 B CN 104523257B CN 201410801287 A CN201410801287 A CN 201410801287A CN 104523257 B CN104523257 B CN 104523257B
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Abstract
The invention discloses a kind of one pump valve module, including force (forcing) pump, vent valve, gas outlet and upper cover, described gas outlet and vent valve are arranged on described and cover, and are provided with gas channel, described gas channel connection force (forcing) pump, vent valve and gas outlet in described upper cover；Described vent valve is electromagnetic valve；Multiple annular groove is included bottom described upper cover, described annular groove opens wide downwards, the medial surface of described annular groove is closely sealed with the piston upper end in described force (forcing) pump, multiple annular grooves side in opposite directions is in groove bottom directly and the opening in communication on upper cover top, described opening is positioned at below described vent valve, one of them annular groove is directly connected with described gas outlet in the groove bottom of the side away from other annular groove, is consequently formed the gas channel in described upper cover.The one pump valve module of the present invention, has the advantages such as structure is intensive, volume is little, parts design is reasonable, low cost of manufacture, may be used for the field such as sphygomanometer, massage device.
Description
Technical field
The present invention relates to the pump valve in sphygomanometer, massage device etc., particularly relate to a kind of small and exquisite, parts are intensive
The one pump valve module of type.
Background technology
Electric sphygmomanometer in the market, one of its vitals is pressure air pump, fast vent valve, slow play gas
The assembly that valve is constituted, needs between them to use complicated rubber hose, threeway or four-way connection to be connected,
Volume is bigger.Needing flexible pipe is folded into specified angle when assembling said modules, making if assembling operator
Industry is careless, bends excessive, it will cause flexible pipe to be closed, affects the performance of electric sphygmomanometer, and assemble above-mentioned group
Part needs to spend more man-hour, and labor intensity is big.
Chinese patent literature CN103767695A (publication date: 2014.05.07) discloses a kind of integrated air pump,
Pressure air pump is provided with purely mechanic vent valve；Pressure transducer and cuff are arranged on giving vent to anger of integrated air pump
Mouthful, connected by threeway, when electric sphygmomanometer starts to measure, integrated air pump starts pressurization, integrated air pump
Gas vent is inaccessible, and compressed gas enters cuff and sensor, until recording blood pressure indicating value；Subsequently, integrated air pump
Stopping pressurization, the gas vent of integrated air pump is opened, and quickly the compressed gas in cuff is discharged.Although this is integrated
The skill that modular construction is complicated, volume is excessive that air pump can solve pressure air pump in prior art, fast vent valve is constituted
Art problem, but it lacks slow play air valve, is therefore only applicable to upper gas metering system；Measurement process needs integrated gas
Pump pressurizes always, thus during causing measurement, the air-flow in cuff is unstable, causes the accuracy of measurement data
It is difficult to ensure that；The regular deformation of elastomer in vent valve had both been easily caused it and had hardened and the lost of life, existed again close
The problem that envelope property and reliability are difficult to ensure.
In sum, a kind of volume of sphygomanometer market in urgent need is little, low cost, good stability be applicable to gas
Measure and the one pump valve module of therapeutic method to keep the adverse QI flowing downwards measurement.
Summary of the invention
In order to solve above-mentioned technical problem, it is desirable to provide a kind of one pump valve module, its structure is intensive,
Volume is little, parts design is reasonable, low cost.
The one pump valve module of the present invention, including force (forcing) pump, vent valve, gas outlet and upper cover, described gas outlet
It is arranged on described with vent valve and covers, described upper cover is provided with gas channel, the connection pressurization of described gas channel
Pump, vent valve and gas outlet；Described vent valve is electromagnetic valve；Include bottom described upper cover multiple opening wide downwards
Annular groove, described force (forcing) pump is provided with multiple piston corresponding with annular groove, the upper end of piston with
The medial surface of annular groove is closely sealed, and multiple annular grooves side the most in opposite directions is in annular groove bottom directly and upper cover
The opening in communication on top, described opening is positioned at below described vent valve, one of them annular groove away from
The groove bottom of the side of other annular groove is directly connected with described gas outlet, is consequently formed in described upper cover
Gas channel.
Described force (forcing) pump includes that piston component and drive mechanism, described piston are positioned in piston component；Described driving
Mechanism includes motor, drive and rocking arm；Described drive is fixed in the rotary shaft of motor, described drive
Upper eccentric setting one inclined hole；Described rocking arm bottom is rocker arm shaft, and middle part is rocking lever, and rocking lever two ends are provided with
Plush copper；Described plush copper is connected with the bottom of described piston, and plush copper is provided centrally with air inlet, for piston set
Part sucks fresh air；The rocker arm shaft of described rocking arm, rocking lever and plush copper are formed in one；Preferably, institute
Stating rocking arm uses POM one-body molded.
Described piston component also includes piston holder；Described piston be arranged on piston holder and with described rocking arm phase
Coordinating, piston upper end is closely sealed with the annular groove medial surface of described upper cover, to form the aerofluxus of one-way gas exhaust
Valve, piston base has crescent valve block, and described crescent valve block is fitted in the air inlet end face of rocking arm, with structure
Become the intake valve of one-way air inlet structure；Described drive mechanism exports power by motor, drives rocking arm reciprocating swing
Motion, thus drive piston to pump, delivery air the gas channel by air bleeding valve entrance upper cover
In, or suck fresh air entrance piston from intake valve.
As the further remodeling of the present invention, described one pump valve module also includes that a shell, described shell are fixed
On described motor, described piston holder is installed on the housing, and described shell has at least two upwards
The grab stretched out, described upper cover is engaged with described shell by grab thus is fastened together.
Described vent valve includes fixing seat, coil, end cap, and described fixing seat is fixed on described and covers, fixing
The ring heart of seat constitutes the bleed passage of vent valve, and described coil viscose glue is wrapped in described fixing seat, described end cap
Use rubber and sheet metal one-body molded, at least cover described bleed passage mouth, when the coil is energized, described gold
Belong to sheet under the electromagnetic field effect that coil produces, drive end cap downward bending, closely close described bleed passage mouth.
Described coil is self-adhesion coil, and viscose glue is wrapped in described fixing seat；The material of described fixing seat is soft iron, institute
State sheet metal for having ferromagnetic stainless steel materials.The energising terminal punching of described coil is inserted on described and covers.
As the further remodeling of the present invention, described one pump valve module also includes slow play air valve, described slow play gas
Valve is arranged on described and covers, and the described gas channel of slow play air valve communicates with the gas channel in upper cover.Preferably
Ground, described slow play air valve is made up of core print seat, glue core and copper core；Wherein, core print seat has the gas passed through for gas
Core cavity room, described gaseous core chamber communicates with the gas channel in upper cover, and glue core is placed in described gaseous core chamber, institute
State glue core one end and close one end open, the opening of described glue core and core print seat end interference fit, described glue core
Having otch on sidewall, described otch is at glue core diameter a length of 2mm-3mm upwards, and copper core is placed in described glue core
And with glue core interference fit, the equal opening in described copper core two ends, wherein one end is positioned at the incision of described glue core, separately
One end is positioned at the opening of glue core, is consequently formed the gas channel of slow play air valve.
As the further remodeling of the present invention, the gas outlet of described one pump valve module is also associated with a threeway structure
Part.
The one pump valve module using the present invention to provide, eliminates making of a large amount of rubber tube, threeway or four-way assembly
With, structure is intensive, volume is little, and parts design is reasonable, low cost of manufacture.Vent valve employing self-adhesion coil,
Fixing seat and the composition of the end cap containing sheet metal, be greatly reduced the volume of vent valve, also can meet deadend and put
The requirement of gas passway；Use rigidity and the integrated rocking arm of POM of excellent in abrasion resistance, easy for installation, knot
Structure is more firm；Use the mode of snap fit fastening, the requirement of sealing can be met, also make preparation technology simpler；
Slow play air valve and threeway component are arranged on and cover so that described one pump valve modular structure is more intensive, can be same
Shi Shixian exits and the function of slow play gas soon, and when it is applied to sphygomanometer, the design of slow play air valve of the present invention makes
Obtain measurement result more accurate.
Accompanying drawing explanation
Fig. 1 is the one pump valve modular structure schematic diagram of the present invention；
Fig. 2 is the one pump valve modular structure explosive view of the present invention；
Fig. 3 is the sectional view of the one pump valve module of the present invention；
Fig. 4 is the upper cover enlarged drawing of the present invention；
Fig. 5 is upper cover A-A face of the present invention sectional view；
Fig. 6 (a) is the rocker structure schematic diagram of the present invention, and Fig. 6 (b) is the rocking arm top view of the present invention；
Fig. 7 is the end cap enlarged drawing of the present invention；
Fig. 8 is the glue core enlarged drawing of the present invention.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention will be described in detail.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the integrated pump valve of the present invention include force (forcing) pump 1, vent valve 2,
Gas outlet 3 and upper cover 4, wherein gas outlet 3 and vent valve 2 are arranged on upper cover 4.Vent valve 2 is electricity
Magnet valve.Include bottom upper cover 4 that two annular grooves 41,42, annular groove 41,42 open wide downwards.?
Force (forcing) pump 1 is provided with two pistons 112 corresponding with annular groove 41,42.Two annular grooves 41,
The medial surface of 42 is closely sealed with the upper end 1121 of two pistons respectively, two annular groove 41,42 sides in opposite directions
43 are directly connected with the opening 44 on upper cover top in groove bottom, and described opening 44 is positioned at described vent valve 2
Below, one of them annular groove 41 is straight in the groove bottom of the side 45 away from other annular groove 42
Connect and be connected with gas outlet 3, be consequently formed the gas channel in described upper cover 4, as shown in Figure 4 and Figure 5.
Force (forcing) pump 1 includes: piston component and driving structure, piston component includes piston 112, piston holder
111, drive mechanism includes: motor 121, drive 122, rocking arm 123.
The concrete connected mode of drive mechanism is: drive 122 is fixed in the rotary shaft 1211 of motor 121,
Eccentric setting one inclined hole 1221 on described drive 122.Rocking arm 123 bottom is rocker arm shaft 1231, and middle part is
Rocking lever 1232, rocking lever two ends are provided with plush copper 1233, and plush copper 1233 is connected with piston base 1122,
It is provided centrally with air inlet 1234 corresponding with the crescent valve block of described piston base 1122, is used for living
Plug sucks fresh air.The rocker arm shaft 1231 of rocking arm 123, rocking lever 1232 and plush copper 1233 use POM
One-body molded, as shown in Fig. 6 (a), 6 (b).
The concrete connected mode of piston component is: described piston 112 is arranged on piston holder 111, on piston
End 1121 is closely sealed with the medial surface of the annular groove 41 of upper cover 4, to form the air bleeding valve of one-way gas exhaust,
Piston base 1122 has crescent valve block, and described crescent valve block is fitted in the air inlet 1234 of rocking arm 123
End face, to constitute the intake valve of one-way air inlet structure.
Being further fixed on shell 124 on motor 121, fixed form is fixed on motor 121 for using screw 125
On screwed hole 1212 in.Piston holder 111 is arranged on shell 124, and shell 124 has at least two
The hook 1241 protruded upward, shell 124 is engaged with upper cover 4 by hook 1241 thus is fastened together.
Wherein, the function of pressurization part is as follows: motor 121 is by being fixed on the rocking arm in its rotary shaft 1211
The rotary motion of motor 121 is changed into pumping of piston 112 by 123.Specifically, motor 121
The drive 122 that rotarily drives rotate centered by the center of motor 121, rocker arm shaft 1231 drives rocking lever
1232 do seesaw moves up and down, thus drives piston 112 to pump.Piston 112 down moves
Time, air enters piston by the crescent valve block of air inlet 1234 and piston base 1122；When piston 112
When up moving, the air in piston 112, by upper piston area 1121 spreading, is allowed to depart from annular groove 41
Medial surface, air along between the medial surface and upper piston area 1121 of annular groove 41 space flow into upper cover
The gas channel of 4.
Vent valve 2 mainly includes fixing seat 21, coil 22, end cap 23, and fixing seat 21 is fixed on upper cover 4
On, it is preferred to use the glue that sealing is good and caking property is strong is fixed.The material of fixing seat 21 is soft iron.Gu
The opening 44 on the corresponding upper cover top of the reservation ring heart 211 so that the fixing seat ring heart 211 and the air-flow in upper cover 4
Passage is connected, and the fixing seat ring heart 211 constitutes bleed passage.The other end of the fixing seat ring heart 211 is coated with one
End cap 23, this end cap 23 uses rubber 231 and sheet metal 232 one-body molded, and this sheet metal 232 is preferably adopted
With having ferromagnetic 430 corrosion resistant plates.One end 234 of end cap 23 is fixed on upper cover 4, it is preferred to use
The glue that caking property is strong is fixed.Being wrapped in fixing seat 21 by coil 22 viscose glue, this coil 22 preferably employs
Self-adhesion coil, what it can consolidate is bonded together, and is difficult to loose, and can reduce the volume of coil 22.Will
Energising terminal 221 punching of coil 22 is inserted in upper cover 4, then the two ends of coil 22 is fixed on energising terminal
On 221.Due to electromagnetic induction principle, the magnetic field that after energising, coil 22 produces is by the metal in adhesive end cap 23
Sheet 232, thus drive the whole tight adhesive of end cap 23 and block bleed passage mouth 211.Preferably, this metal
Sheet 232 is ring-type, and its external diameter is more than or equal to the external diameter of fixing seat 21.The center of sheet metal is embedded with sheet rubber
231, the external diameter of described sheet rubber 231 is more than or equal to the diameter of bleed passage mouth 211.With sheet rubber 231
The rubber strip 233 connected stretches out on sheet metal 232, with the rubber being engaged a sheet metal 232 periphery part
Film 234 connects, and is used for fixing sheet metal 232.Sheet rubber 234 is fixed on upper cover 4, fixing connection side
Formula is that viscose glue connects, as shown in Figure 7.
The function of air bleeding portion is as follows: is energized first to coil 22, makes end cap 23 tight closure bleed passage mouth
211, then force (forcing) pump 1 starts pressurization, and gas moves in the gas channel of upper cover 4, by gas outlet 3
There is provided air pressure for extraneous instrument such as sphygomanometer or massage device, when extraneous instrument work is complete need venting when,
Disconnecting the power supply of coil 22, end cap 23 is not owing to having the suction-combining force, and the gases at high pressure in upper cover 4 gas channel will
Wash end cap 23 open, it is achieved quickly exit.
Embodiment 2
On the basis of embodiment 1, it is additionally provided with slow play air valve 5 in upper cover 4 side near gas outlet 3,
The gas channel of slow play air valve 5 communicates with upper cover 4 gas channel.This slow play air valve 5 can be provided in upper cover
A normally opened aperture on 4；Following structure can also be used: slow play air valve 5 is by core print seat 51, glue core 52
Forming with copper core 53, core print seat 51 has the gaseous core chamber passed through for gas, gaseous core chamber and the gas in upper cover
Circulation road communicates, and glue core 52 is placed in described gaseous core chamber, and one end open, described glue are closed in glue core 52 one end
The opening of core 52 and core print seat 51 end interference fit, the sidewall of glue core 51 has otch 54, described otch
54 at glue core 52 a length of 2mm-3mm radially, copper core 53 be placed in glue core 52 and with glue core 52 interference
Coordinating, the equal opening in described copper core 53 two ends, wherein one end is positioned at otch 54, and the other end is positioned at glue core 52
Opening, be consequently formed the gas channel of slow play air valve 5.Wherein, glue core 52 uses shore hardness to be 30-40
Silica gel, optimum selection shore hardness is the silica gel of 35.The gradient of one 2 degree is had on glue core 52 is axial,
As shown in Figure 8.Use such design, it is possible to achieve the integrally linear deflation of pump valve module.
At the gas outlet 3 of one pump valve module, connect a threeway component 6, provide gas for outwardly instrument
Source.
One pump valve module in the present embodiment is used in sphygomanometer, carries out blood pressure measurement.
The cuff of sphygomanometer is connected with threeway component 6 with pressure transducer.Concrete action is as follows: first give line
Circle 22 energising, makes end cap 23 tight closure bleed passage mouth 211, and then force (forcing) pump 1 starts pressurization, air
Moved to gas outlet 3 by the gas channel of upper cover 4, and give cuff and pressure transducer through threeway component 6
Supply, pressure.When pressure rises to certain value, stopping pressurization, slow play air valve 5 starts with certain speed slow
Venting, sphygomanometer starts to measure, when contraction pressure, mean pressure and diastolic pressure being detected, coil 22 power-off,
Air in upper cover 3 under high pressure washes end cap 23 open, quickly discharges.Thus, the measurement of a blood pressure is completed.
Above electric sphygmomanometer has that structure is intensive, volume is little, parts design is reasonable, low cost of manufacture excellent
Point, is suitable for batch production.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention
For, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace.
Claims (10)
1. an one pump valve module, including force (forcing) pump, vent valve, gas outlet and upper cover, described gas outlet and vent valve are arranged on
Covering on described, be provided with gas channel in described upper cover, described gas channel connection force (forcing) pump, vent valve and gas outlet, it is special
Levy for: described vent valve is electromagnetic valve；Multiple annular groove opened wide downwards is included, in described force (forcing) pump bottom described upper cover
Being provided with multiple piston corresponding with annular groove, the upper end of piston is closely sealed with the medial surface of annular groove, multiple annular grooves
In annular groove bottom directly and the opening in communication on upper cover top, described opening is positioned under described vent valve in side the most in opposite directions
Face, one of them annular groove is directly connected with described gas outlet in the groove bottom of the side away from other annular groove, by
This forms the gas channel in described upper cover.
One pump valve module the most according to claim 1, it is characterised in that: described force (forcing) pump includes piston component and driving machine
Structure, described piston is positioned in piston component；Described drive mechanism includes motor, drive and rocking arm；Described drive is fixed on
In the rotary shaft of motor, eccentric setting one inclined hole on described drive；Described rocking arm bottom is rocker arm shaft, and middle part is rocking lever,
Rocking lever two ends are provided with plush copper；Described plush copper is connected with the bottom of described piston, and plush copper is provided centrally with air inlet, is used for
Piston component sucks fresh air；The rocker arm shaft of described rocking arm, rocking lever and plush copper are formed in one.
One pump valve module the most according to claim 2, it is characterised in that: described piston component also includes piston holder；Institute
Stating piston be arranged on piston holder and match with described rocking arm, piston upper end is closely sealed with the annular groove medial surface of described upper cover,
To form the air bleeding valve of one-way gas exhaust, piston base has crescent valve block, and described crescent valve block is fitted in entering of rocking arm
Pore end face, to constitute the intake valve of one-way air inlet structure；Described drive mechanism exports power by motor, drives rocking arm reciprocal
Oscillating motion, thus drive piston to pump, in delivery air the gas channel by air bleeding valve entrance upper cover, or
Suck fresh air from intake valve to enter piston.
One pump valve module the most according to claim 3, it is characterised in that: also include that a shell, described shell are fixed on institute
Stating on motor, described piston holder is installed on the housing, and described shell has the grab that at least two protrudes upward, institute
State upper cover to be engaged with described shell by grab.
One pump valve module the most according to claim 1, it is characterised in that: described vent valve includes fixing seat, coil, end
Lid, described fixing seat is fixed on described and covers, and the ring heart of fixing seat constitutes the bleed passage of vent valve, and described coil viscose glue twines
Being wound in described fixing seat, described end cap uses rubber and sheet metal one-body molded, at least covers described bleed passage mouth, works as line
During circle energising, described sheet metal drives end cap downward bending under the electromagnetic field effect that coil produces, closely closes described venting
Passway.
One pump valve module the most according to claim 5, it is characterised in that: described coil is self-adhesion coil, and viscose glue is wrapped in
In described fixing seat, the material of described fixing seat is soft iron, and described sheet metal is for having ferromagnetic stainless steel materials.
One pump valve module the most according to claim 5, it is characterised in that: the energising terminal punching of described coil is inserted on described
Cover.
One pump valve module the most according to claim 1, it is characterised in that: also including slow play air valve, described slow play air valve is pacified
Being contained on described and cover, the described gas channel of slow play air valve communicates with the gas channel in upper cover.
One pump valve module the most according to claim 8, it is characterised in that: described slow play air valve is by core print seat, glue core and copper core
Composition；Wherein, core print seat has the gaseous core chamber passed through for gas, and described gaseous core chamber communicates with the gas channel in upper cover,
Glue core is placed in described gaseous core chamber, and one end open, the opening of described glue core and core print seat end interference are closed in described glue core one end
Coordinating, the sidewall of described glue core has otch, described otch is at glue core diameter a length of 2mm-3mm upwards, and copper core is placed in described
In glue core and with glue core interference fit, the equal opening in described copper core two ends, wherein one end is positioned at the incision of described glue core, the other end
It is positioned at the opening of glue core, is consequently formed the gas channel of slow play air valve.
One pump valve module the most according to claim 1, it is characterised in that: described gas outlet is also associated with a threeway component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801287.8A CN104523257B (en) | 2014-12-22 | 2014-12-22 | Integrally pump valve module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801287.8A CN104523257B (en) | 2014-12-22 | 2014-12-22 | Integrally pump valve module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104523257A CN104523257A (en) | 2015-04-22 |
| CN104523257B true CN104523257B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801287.8A Active CN104523257B (en) | 2014-12-22 | 2014-12-22 | Integrally pump valve module |
Country Status (1)
| Country | Link |
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| CN (1) | CN104523257B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6695221B2 (en) * | 2016-06-28 | 2020-05-20 | フクダ電子株式会社 | Pump assembly and medical device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10353157B4 (en) * | 2003-11-14 | 2005-11-24 | Heine Optotechnik Gmbh & Co Kg | Blood pressure measurement unit has a pumping arrangement connected to a sleeve via a push button valve that has a piston element, with a surrounding seal, that is moved between pressure maintaining and releasing positions |
| JP5223436B2 (en) * | 2008-04-16 | 2013-06-26 | オムロンヘルスケア株式会社 | Check valve structure, diaphragm pump and blood pressure monitor |
| CN201775627U (en) * | 2010-07-26 | 2011-03-30 | 比亚迪股份有限公司 | Controllable release valve and electronic sphygmomanometer adopting the same |
| CN102182665B (en) * | 2011-05-26 | 2013-01-02 | 北京康斯特仪表科技股份有限公司 | High-pressure bidirectional miniature power-driven air pump |
| CN102793537B (en) * | 2012-09-05 | 2014-07-09 | 天津九安医疗电子股份有限公司 | Mini-type air release valve |
| CN203000920U (en) * | 2012-09-05 | 2013-06-19 | 天津九安医疗电子股份有限公司 | A mini-size deflation valve and a sleeve strap and a sphygmomanometer with the same |
| CN103767695B (en) * | 2014-01-21 | 2017-01-04 | 深圳金亿帝医疗设备股份有限公司 | Vent valve, integrated air pump and electric sphygmomanometer |
| CN104173037A (en) * | 2014-09-09 | 2014-12-03 | 天津九安医疗电子股份有限公司 | Sphygmomanometer deflation core |
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2014
- 2014-12-22 CN CN201410801287.8A patent/CN104523257B/en active Active
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