CN104564614A - Automatic decompressing pump - Google Patents
Automatic decompressing pump Download PDFInfo
- Publication number
- CN104564614A CN104564614A CN201310508323.7A CN201310508323A CN104564614A CN 104564614 A CN104564614 A CN 104564614A CN 201310508323 A CN201310508323 A CN 201310508323A CN 104564614 A CN104564614 A CN 104564614A
- Authority
- CN
- China
- Prior art keywords
- pressure
- gas
- valve
- flow control
- control units
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention discloses an automatic decompressing pump which comprises an air source generating unit and an air flow control unit, wherein the air source generating unit is provided with a first air inlet through hole; air from the air source generating unit drives the air flow control unit and enables air passing through the first air inlet through hole to be absorbed into or discharged from the air flow control unit; the air flow control unit comprises a valve base, a first valve, a second valve, an upper cover and an elastic element.
Description
Technical field
The present invention relates to a kind of automatic leakage press pump
Background technique
In prior art, pumping can only be used for unidirectional supercharging or decompression, cannot according to the demand of user releasing pressure automatically after supercharging.Such as electronic blood pressure meter just needs releasing pressure automatically after supercharging, otherwise user measures blood pressure just cannot take off blood pressure machine.Therefore current way is combined with solenoid valve pumping, when supercharging completes in needs pressure release, utilizes solenoid valve pressure release.But such way needs the extra cost increasing solenoid valve.If therefore solenoid valve can be replaced, the cost of product just effectively can be reduced.
Summary of the invention
Therefore the object of the present invention is to provide a kind of automatic leakage press pump, it comprises gas pressure source generation unit and flow control units.Gas pressure source generation unit has the first air inlet through hole.The gas-powered flow control units that gas pressure source generation unit produces also makes the gas inspiration by the first air inlet through hole or discharge flow control units.Flow control units comprises valve base, the first valve, the second valve, upper cover and elastic component.Valve base has outlet chamber and pressure chamber, and the bottom surface of outlet chamber has the first valve port.The bottom surface of pressure chamber has the second valve port.First valve is positioned at outlet chamber, and the first valve covers on the first valve port.Second valve is positioned at pressure chamber, and the second valve covers on the second valve port.Upper cover has first and goes out vent hole and the first pressure relief opening, and first goes out vent hole is communicated with outlet chamber, and the first pressure relief opening aims at pressure chamber.Elastic component is between upper cover and valve base.Elastic component has second and goes out vent hole and pressure relief valve.Second goes out vent hole is communicated with outlet chamber.Pressure relief valve covers on pressure chamber airtightly, makes pressure chamber cannot be communicated with the first pressure relief opening.When gas pressure source generation unit drives flow control units, pressure relief valve closes the first pressure relief opening, and gas enters via the first air inlet through hole, is sent to first goes out vent hole by flow control units.When gas pressure source generation unit stops driving flow control units, pressure chamber gas leakage, makes pressure relief valve hollowly form the first pressure release passage, to be communicated with outlet chamber and the first pressure relief opening.
According to another embodiment of the present invention, the bottom surface of pressure chamber has non-burnishing surface, second valve to be overlying on non-burnishing surface and to form leakage-gap, and when gas pressure source generation unit stops driving flow control units, pressure chamber is by leakage-gap gas leakage to the second valve port.
According to another embodiment of the present invention, the bottom surface of pressure chamber has groove, and the second valve is overlying on groove, and when gas pressure source generation unit stops driving flow control units, pressure chamber is by groove gas leakage to the second valve port.
According to another embodiment of the present invention, pressure chamber has outside channel connection to automatic leakage press pump, and when gas pressure source generation unit stops driving flow control units, pressure chamber is by path leakage gas.
According to another embodiment of the present invention, pressure chamber has channel connection to outlet chamber, and when gas pressure source generation unit stops driving flow control units, pressure chamber is by path leakage gas.
According to another embodiment of the present invention, pressure chamber has channel connection to piston unit, and when gas pressure source generation unit stops driving flow control units, pressure chamber is by path leakage gas.
According to another embodiment of the present invention, the internal diameter of passage is less than the internal diameter that first goes out vent hole.
According to another embodiment of the present invention, pressure relief valve also comprises the second pressure relief opening, and it is between outlet chamber and the first pressure relief opening.
According to another embodiment of the present invention, gas pressure source generation unit comprises piston fixed base, piston unit, motor and continuous motion stem, piston fixed base has the second air inlet through hole, piston unit is fixed on piston fixed base, piston unit comprises first piston, the second piston and the 3rd air inlet through hole, 3rd air inlet lead to the hole site is communicated with the second air inlet through hole, and continuous motion stem is connected to the running shaft of motor.
According to another embodiment of the present invention, the bottom surface of the second valve has groove, and when gas pressure source generation unit stops driving flow control units, pressure chamber is by groove gas leakage to the second valve port.
Automatic leakage press pump of the present invention adds pressure chamber and elastic component, closes the first pressure relief opening, and open the first pressure relief opening quick pressure releasing when pressure release when inflating.Automatic leakage press pump of the present invention, can when inflatable substrate be 100cc, and in two seconds, pressure release is complete, fast and effectively.For electronic blood pressure meter, if use automatic leakage press pump of the present invention, then do not need additionally to use solenoid valve, therefore effectively reduce costs, and improve working life.Automatic leakage press pump of the present invention can be used in all appliance arrangements needing pressure release, and be not limited to electronic blood pressure meter, electronic blood pressure meter is only illustration.
Accompanying drawing explanation
Fig. 1 is automatic leakage press pump sectional drawing of the present invention.
Fig. 2 is automatic leakage press pump explosive view of the present invention.
Fig. 3 is the subelement explosive view of flow control units.
Fig. 4 is that subelement is given vent to anger state profile.
Fig. 5 is subelement pressure release state profile.
Fig. 6 is the subelement pressure release state profile of another embodiment of the present invention.
Fig. 7 is the subelement pressure release state profile of yet another embodiment of the invention.
Fig. 8 is the subelement pressure release state profile of further embodiment of this invention.
Fig. 9 is the subelement pressure release state profile of further embodiment of this invention.
Figure 10 is the subelement pressure release state profile of further embodiment of this invention.
Figure 11 is the subelement sectional drawing of the another embodiment of flow control units.
Figure 12 is the subelement explosive view of the another embodiment of flow control units.
Embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description, there are the personnel of usual knowledge in any art after understanding the preferred embodiments of the present invention, when by the technology of teachings of the present invention, can being changed and modifying, it does not depart from spirit of the present invention and scope.
In order to solve existing pumping problem, automatic leakage press pump of the present invention can effectively improve this problem.Referring to Fig. 1 and Fig. 2.Fig. 1 is automatic leakage press pump sectional drawing of the present invention.Fig. 2 is automatic leakage press pump explosive view of the present invention.A kind of automatic leakage press pump 200 is the object of the present invention is to provide to comprise gas pressure source generation unit and flow control units, and by multiple screw 202 fixed air potential source generation unit and flow control units.Gas pressure source generation unit comprises piston fixed base 216, piston unit 214, motor 226 and continuous motion stem 218 substantially.Piston fixed base 216 has the second air inlet through hole 216a.Piston unit 214 is fixed on piston fixed base 216.Piston unit 214 has first piston 214a, the second piston 214b and the 3rd air inlet through hole 214c.3rd air inlet through hole 214c position is communicated with the second air inlet through hole 216a.Continuous motion stem 218 is connected to the running shaft 226a of motor 226, and gas pressure source generation unit also has the first air inlet through hole 230.In one embodiment, motor 226 also comprises draw point 219 and steel ball 222, in order to reduce the frictional force between motor 226 and continuous motion stem 218 when motor 226 operates.In one embodiment, motor 226 is fixed on motor fixing base 224 by screw 224a, is connected with eccentrically weighted shaft 220 by motor fixing base 224, and controls continuous motion stem 218 by eccentrically weighted shaft 220.The gas-powered that flow control units produces by gas pressure source generation unit, makes the gas inspiration by the first air inlet through hole 230 or discharge flow control units.Flow control units comprises valve base 212, first valve 210, second valve 211, upper cover 204 and elastic component 206.Valve base 212 has outlet chamber 212b and pressure chamber 212a, and the bottom surface of outlet chamber 212b has the first valve port 210a.The bottom surface of pressure chamber 212a has the second valve port 211a.First valve port 210a and the second valve port 211a are communicated with first piston 214a and the second piston 214b respectively.First valve 210 is positioned at outlet chamber 212b, and the first valve 210 covers on the first valve port 210a.Second valve 211 is positioned at pressure chamber 212a, and the second valve 211 covers on the second valve port 211a.Upper cover 204 has first and goes out vent hole 204a and the first pressure relief opening 208.First goes out vent hole 204a is communicated with outlet chamber 212b.First pressure relief opening 208 aims at pressure chamber 212a.Elastic component 206 is between upper cover 204 and valve base 212.Elastic component 206 has second and goes out vent hole 206b and pressure relief valve 206a.Second position going out vent hole 206b is communicated with outlet chamber 212b.Pressure relief valve 206a is covered in pressure chamber 212a airtightly, makes pressure chamber 212a cannot be communicated with the first pressure relief opening 208.When gas pressure source generation unit drives flow control units, gas enters via the first air inlet through hole 230, enters flow control units and enter the second air inlet through hole 216a via direction 300.Gas passes the 3rd air inlet through hole 214c along direction 310, and flows to first piston 214a and the second piston 214b respectively via direction 320 and direction 330.The gas flowing to first piston 214a is subject to first piston 214a and compresses through the first valve port 210a, and along direction 340 by elastic component 206, enters first and go out vent hole 204a, finally discharge first by direction 370 and go out vent hole 204a along direction 360.The gas flowing to the second piston 214b is subject to the second piston 214b and compresses through the second valve port 211a, at pressure chamber 212a mineralization pressure, and oppress pressure relief valve 206a along direction 350, make pressure relief valve 206a close the first pressure relief opening 208, therefore gas cannot be leaked by the first pressure relief opening 208.About sequence of movement and the principle of pressure release, at paragraphs detail afterwards.In one embodiment, this upper cover 204 is inelastic body.In one embodiment, first, second piston 214a, 214b, first, second valve 210,211 and elastic component 206 are made up of rubber material.
Refer to Fig. 3 and Fig. 4.Fig. 3 is the subelement explosive view of flow control units.Fig. 4 is that subelement is given vent to anger state profile.When gas pressure source generation unit drives flow control units, gas enters via the first air inlet through hole 230, enters flow control units and enter the second air inlet through hole 216a via direction 300.Gas passes the 3rd air inlet through hole 214c along direction 310 and flows to first piston 214a and the second piston 214b respectively via direction 320 and direction 330.The gas flowing to first piston 214a is subject to first piston 214a and compresses through the first valve port 210a, and along direction 340 by elastic component 206, enter first along direction 360 and go out vent hole 204a, finally discharge first by direction 370 and go out vent hole 204a, and flow into inflatable substrate 500.The gas flowing to the second piston 214b is subject to the second piston 214b and compresses through the second valve port 211a, at pressure chamber 212a mineralization pressure, and oppress pressure relief valve 206a along direction 350, make pressure relief valve 206a close the first pressure relief opening 208, therefore gas cannot be leaked by the first pressure relief opening 208.According to another embodiment of the present invention, first, second valve 210,211 is respectively umbellate form valve.According to another embodiment of the present invention, pressure relief valve 206a also comprises the second pressure relief opening 206c, and it is between outlet chamber 212b and the first pressure relief opening 208, when acting on pressure release, can make gas faster release the first pressure relief opening 208, and make pressure relief valve 206a cave in speed.According to another embodiment of the present invention, outlet chamber 212b be positioned at the first valve 210 to cover part be burnishing surface, the first valve 210 can be closed airtightly.According to another embodiment of the present invention, automatic leakage press pump 200 boost range is 0 to 400mmHg.About sequence of movement and the principle of pressure release, at paragraphs detail afterwards.
Fig. 5 is subelement pressure release state profile.The bottom surface of pressure chamber 212a has non-burnishing surface 212c, and the second valve 211 to be overlying on non-burnishing surface 212c and to form leakage-gap 211b.When gas pressure source generation unit stops driving flow control units, pressure chamber 212a is by leakage-gap 211b gas leakage to the second valve port 211a.Pressure chamber 212a gas leakage, makes pressure relief valve 206a hollowly form the first pressure release passage 206d, to be communicated with outlet chamber 212b and the first pressure relief opening 208.So gas goes out vent hole 204a along direction 400 by first enter outlet chamber 212b, and is released by the first pressure relief opening 208 along direction 410 by the first pressure release passage 206d.In one embodiment, automatic leakage press pump venting duration is in 2 seconds.In one embodiment, non-burnishing surface 212c is texture structure.
Fig. 6 is the subelement pressure release state profile of another embodiment of the present invention.The bottom surface of pressure chamber 212a has groove 212g, and the second valve 211 is overlying on groove 212g.When gas pressure source generation unit stops driving flow control units, pressure chamber 212a is by groove 212g gas leakage to the second valve port 211a.Pressure chamber 212a gas leakage, makes pressure relief valve 206a hollowly form the first pressure release passage 206d, to be communicated with outlet chamber 212b and the first pressure relief opening 208.So gas goes out vent hole 204a along direction 400 by first enter outlet chamber 212b, and is released by the first pressure relief opening 208 along direction 410 by the first pressure release passage 206d.
Fig. 7 is the subelement pressure release state profile of yet another embodiment of the invention.Pressure chamber 212a has passage 211d and is communicated to outside automatic leakage press pump 200, and when gas pressure source generation unit stops driving flow control units, pressure chamber 212a is by passage 211d gas leakage.Pressure chamber 212a gas leakage, makes pressure relief valve 206a hollowly form the first pressure release passage 206d, to be communicated with outlet chamber 212b and the first pressure relief opening 208.So gas goes out vent hole 204a along direction 400 by first enter outlet chamber 212b, and is released by the first pressure relief opening 208 along direction 410 by the first pressure release passage 206d.
Fig. 8 is the subelement pressure release state profile of further embodiment of this invention.Pressure chamber 212a has passage 211e and is communicated to outlet chamber 212b, and when gas pressure source generation unit stops driving flow control units, pressure chamber 212a is by passage 211e gas leakage.Pressure chamber 212a gas leakage, makes pressure relief valve 206a hollowly form the first pressure release passage 206d, to be communicated with outlet chamber 212b and the first pressure relief opening 208.So gas goes out vent hole 204a along direction 400 by first enter outlet chamber 212b, and is released by the first pressure relief opening 208 along direction 410 by the first pressure release passage 206d.
Fig. 9 is the subelement pressure release state profile of further embodiment of this invention.Pressure chamber 212a has passage 211f and is communicated to piston unit 214 (see Fig. 2), and when gas pressure source generation unit stops driving flow control units, pressure chamber 212a is by passage 211f gas leakage.Pressure chamber 212a gas leakage, makes pressure relief valve 206a hollowly form the first pressure release passage 206d, to be communicated with outlet chamber 212b and the first pressure relief opening 208.So gas goes out vent hole 204a along direction 400 by first enter outlet chamber 212b, and is released by the first pressure relief opening 208 along direction 410 by the first pressure release passage 206d.According to another embodiment of the present invention, the internal diameter d1 of passage is less than the internal diameter d2 that first goes out vent hole 204a.
Figure 10 is the subelement pressure release state profile of another embodiment of the present invention.The bottom surface of the second valve 211 has groove 211g.When gas pressure source generation unit stops driving flow control units, pressure chamber 212a is by groove 211g gas leakage to the second valve port 211a.Pressure chamber 212a gas leakage, makes pressure relief valve 206a hollowly form the first pressure release passage 206d, to be communicated with outlet chamber 212b and the first pressure relief opening 208.So gas goes out vent hole 204a along direction 400 by first enter outlet chamber 212b, and is released by the first pressure relief opening 208 along direction 410 by the first pressure release passage 206d.
Please refer to Figure 11 and Figure 12.Figure 11 is the subelement sectional drawing of the another embodiment of flow control units.Figure 12 is the subelement explosive view of the another embodiment of flow control units.In the present embodiment, similar elements label represents execution identical function, does not repeat them here.The present embodiment and Fig. 1 to Fig. 9 embodiment different be in: piston unit 214 has multiple first piston 214a; Valve base 212 has multiple outlet chamber 212b and multiple first valve port 210a; Flow control units has multiple first valve 210; Elastic component 206 has multiple second and goes out vent hole 206b.In another embodiment, any element is all multiple or simple change in addition, and reaches identical effect.The present embodiment is intended to show that number of elements disclosed in this invention is only illustration, is not used to limit the present invention.The personnel in the technical field of the invention with usual knowledge should look actual demand, select suitable number of elements.
Automatic leakage press pump of the present invention adds pressure chamber and elastic component, closes the first pressure relief opening, and open the first pressure relief opening quick pressure releasing when pressure release when inflating.Automatic leakage press pump of the present invention, can when being inflated thing and being 100cc capacity, and in two seconds, pressure release is complete, fast and effectively.For electronic blood pressure meter, if use automatic leakage press pump of the present invention, then do not need additionally to use solenoid valve, therefore effectively reduce costs, and improve working life.Automatic leakage press pump of the present invention can be used in all appliance arrangements needing pressure release, and be not limited to electronic blood pressure meter, electronic blood pressure meter is only illustration.
Claims (10)
1. an automatic leakage press pump, is characterized in that, comprises:
Gas pressure source generation unit, it has the first air inlet through hole; And
Flow control units, this flow control units of gas-powered that this gas pressure source generation unit produces also makes the gas inspiration of this first air inlet through hole or discharges this flow control units, and wherein this flow control units comprises:
Valve base, it comprises outlet chamber and pressure chamber, and the bottom surface of this outlet chamber comprises the first valve port, and the bottom surface of this pressure chamber has the second valve port;
First valve, it is positioned at this outlet chamber, and this first valve covers on this first valve port;
Second valve, it is positioned at this pressure chamber, and this second valve covers on this second valve port;
Upper cover, it comprises first and goes out vent hole and the first pressure relief opening, and this first goes out vent hole and be communicated with this outlet chamber, and this first pressure relief opening aims at this pressure chamber; And
Elastic component, it is between this upper cover and this valve base, and this elastic component has second and goes out vent hole and pressure relief valve, this second goes out vent hole and is communicated with this outlet chamber, this pressure relief valve is covered in this pressure chamber airtightly, makes this pressure chamber cannot be communicated with this first pressure relief opening
When this gas pressure source generation unit drives this flow control units, pressure relief valve closes this first pressure relief opening, and gas enters via this first air inlet through hole, is sent to this first goes out vent hole by this flow control units,
When this gas pressure source generation unit stops driving this flow control units, this pressure chamber gas leakage, makes this pressure relief valve hollowly form the first pressure release passage, to be communicated with this outlet chamber and this first pressure relief opening.
2. automatic leakage press pump as claimed in claim 1, it is characterized in that, the bottom surface of described pressure chamber has non-burnishing surface, described second valve to be overlying on this non-burnishing surface and to form leakage-gap, when described gas pressure source generation unit stops driving described flow control units, described pressure chamber is by this leakage-gap gas leakage extremely described second valve port.
3. automatic leakage press pump as claimed in claim 1, it is characterized in that, the bottom surface of described pressure chamber has groove, described second valve is overlying on this groove, when described gas pressure source generation unit stops driving described flow control units, described pressure chamber is by this groove gas leakage extremely described second valve port.
4. automatic leakage press pump as claimed in claim 1, is characterized in that, described pressure chamber has outside channel connection to described automatic leakage press pump, and when described gas pressure source generation unit stops driving described flow control units, described pressure chamber is by this path leakage gas.
5. automatic leakage press pump as claimed in claim 1, is characterized in that, described pressure chamber has channel connection to described outlet chamber, and when described gas pressure source generation unit stops driving described flow control units, described pressure chamber is by this path leakage gas.
6. automatic leakage press pump as claimed in claim 1, is characterized in that, described pressure chamber has channel connection to described piston unit, and when described gas pressure source generation unit stops driving described flow control units, described pressure chamber is by this path leakage gas.
7. as the automatic leakage press pump in claim 4 to 6 as described in any one, it is characterized in that, the internal diameter of described passage is less than the internal diameter that described first goes out vent hole.
8. automatic leakage press pump as claimed in claim 1, it is characterized in that, described pressure relief valve also comprises the second pressure relief opening, and it is between described outlet chamber and described first pressure relief opening.
9. automatic leakage press pump as claimed in claim 1, it is characterized in that, described gas pressure source generation unit comprises piston fixed base, piston unit, motor and continuous motion stem, this piston fixed base has the second air inlet through hole, this piston unit is fixed on this piston fixed base, this piston unit comprises first piston, the second piston and the 3rd air inlet through hole, and the 3rd air inlet lead to the hole site is communicated with described second air inlet through hole, and this continuous motion stem is connected to the running shaft of this motor.
10. automatic leakage press pump as claimed in claim 1, it is characterized in that, the bottom surface of described second valve has groove, and when described gas pressure source generation unit stops driving described flow control units, described pressure chamber is by this groove gas leakage extremely described second valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508323.7A CN104564614B (en) | 2013-10-24 | 2013-10-24 | Automatic decompressing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508323.7A CN104564614B (en) | 2013-10-24 | 2013-10-24 | Automatic decompressing pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564614A true CN104564614A (en) | 2015-04-29 |
| CN104564614B CN104564614B (en) | 2017-04-19 |
Family
ID=53081476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310508323.7A Active CN104564614B (en) | 2013-10-24 | 2013-10-24 | Automatic decompressing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104564614B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825145A (en) * | 2015-04-30 | 2015-08-12 | 深圳金亿帝医疗设备股份有限公司 | Air valve, integrated air pump and wearable electronic sphygmomanometer |
| CN104873183A (en) * | 2015-04-30 | 2015-09-02 | 深圳金亿帝医疗设备股份有限公司 | Air valve, integrated air pump and wearable electronic sphygmomanometer |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759692A (en) * | 1987-06-22 | 1988-07-26 | Tecumseh Products Company | Integral internal pressure relief valve |
| US6382928B1 (en) * | 2000-11-28 | 2002-05-07 | Kun-Lin Chang | Miniature air pump |
| JP2004239096A (en) * | 2003-02-04 | 2004-08-26 | Sanden Corp | Variable displacement compressor |
| CN202370781U (en) * | 2011-11-24 | 2012-08-08 | 科际器材工业股份有限公司 | Micro air pump |
| CN202954941U (en) * | 2012-12-21 | 2013-05-29 | 冯兴东 | Automatic pressure relief device for humidifier |
| CN203702502U (en) * | 2013-10-24 | 2014-07-09 | 科际器材工业股份有限公司 | Automatic pressure relief pump |
-
2013
- 2013-10-24 CN CN201310508323.7A patent/CN104564614B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759692A (en) * | 1987-06-22 | 1988-07-26 | Tecumseh Products Company | Integral internal pressure relief valve |
| US6382928B1 (en) * | 2000-11-28 | 2002-05-07 | Kun-Lin Chang | Miniature air pump |
| JP2004239096A (en) * | 2003-02-04 | 2004-08-26 | Sanden Corp | Variable displacement compressor |
| CN202370781U (en) * | 2011-11-24 | 2012-08-08 | 科际器材工业股份有限公司 | Micro air pump |
| CN202954941U (en) * | 2012-12-21 | 2013-05-29 | 冯兴东 | Automatic pressure relief device for humidifier |
| CN203702502U (en) * | 2013-10-24 | 2014-07-09 | 科际器材工业股份有限公司 | Automatic pressure relief pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825145A (en) * | 2015-04-30 | 2015-08-12 | 深圳金亿帝医疗设备股份有限公司 | Air valve, integrated air pump and wearable electronic sphygmomanometer |
| CN104873183A (en) * | 2015-04-30 | 2015-09-02 | 深圳金亿帝医疗设备股份有限公司 | Air valve, integrated air pump and wearable electronic sphygmomanometer |
| 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 |
| WO2018133697A1 (en) * | 2017-01-19 | 2018-07-26 | 深圳金亿帝医疗设备股份有限公司 | Valve for use in blood pressure meter, integrated gas pump and electronic blood pressure meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564614B (en) | 2017-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10197053B2 (en) | Turn-back coaxial gas pressurizing pump and gas pressurizing method | |
| ATE521837T1 (en) | NEEDLE VALVE FOR FLOW CONTROL | |
| CN103925200B (en) | A kind of pneumatic diaphragm pump | |
| CN103705992A (en) | Compression device pumping | |
| CN104564614A (en) | Automatic decompressing pump | |
| TWI531722B (en) | Automatic depressurizing pump | |
| CN106691422B (en) | Be applied to sphygmomanometer's valve, integrated air pump and electronic sphygmomanometer | |
| CN203702502U (en) | Automatic pressure relief pump | |
| ZA200802182B (en) | Device for concentrating a liquid, and differential piston pump | |
| CN104180566B (en) | A kind of heating power expansion valve with non-return valve function | |
| CN1512079A (en) | Electromagnetic valve for reducing energy consumption | |
| US10493706B2 (en) | Device for sealing and inflating inflatable objects | |
| CN108980042B (en) | Water ring type vacuum pump | |
| SE522165C2 (en) | Method and apparatus for generating pressure pulses | |
| CN106840555B (en) | Hydraulic cylinder air tightness detection apparatus | |
| CN105498066A (en) | Low-pressure large-flux ratio control quick response device and quick response control valve thereof | |
| CN105973546A (en) | Airtightness testing device for automotive air conditioning compressor valve block | |
| CN205360202U (en) | Large -traffic proportional control quick response device of low pressure and quick response control valve thereof | |
| CN103835943B (en) | Scroll compressor having a plurality of scroll members | |
| CN108980427A (en) | Adjustable pressure-constant safety exhaust | |
| US20140255230A1 (en) | Miniature pump device | |
| CN205036533U (en) | A cylinder for pump | |
| CN204061135U (en) | A kind of durable two-cylinder type plunger pump | |
| CN110067777A (en) | A kind of flow increasing water pump | |
| CN204783519U (en) | Use reliable interior pressure boost inflater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |