CN202458342U - Button type quick air exhaust unidirectional air valve - Google Patents
Button type quick air exhaust unidirectional air valve Download PDFInfo
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- CN202458342U CN202458342U CN2012200573283U CN201220057328U CN202458342U CN 202458342 U CN202458342 U CN 202458342U CN 2012200573283 U CN2012200573283 U CN 2012200573283U CN 201220057328 U CN201220057328 U CN 201220057328U CN 202458342 U CN202458342 U CN 202458342U
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- air
- valve core
- exhaust
- valve body
- sealing ring
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Abstract
The utility model provides a button type quick air exhaust unidirectional air valve which comprises a valve body (1), an air exhaust valve core (2), an air exhaust button (21), a unidirectional valve core (3) and a plug (4). An air outlet and an air inlet are respectively formed at the left end and right end of the valve body; an air exhaust port is formed on the upper part of the valve body; a pressing air exhaust mechanism consisting of the air exhaust valve core, the air exhaust button, a resetting spring and a sealing ring A is arranged in the air exhaust port; a unidirectional check air inlet mechanism consisting of the unidirectional valve core, a spring, a ventilation clamping ring and a sealing ring B is arranged in the air inlet; during air inflation, compressed air enters a cuff through the air inlet and the air outlet by virtue of the valve body; during air exhaust, the air exhaust button is pressed, so that the air exhaust valve core is driven to move downwards and enable the air outlet be communicated with the atmosphere; and according to the technical scheme that the air in the cuff is exhausted from the air outlet through the air exhaust port, an aim that the cuff of a hematomanometer can be inflated and exhausted simply and conveniently due to the pressing air exhaust mode is fulfilled.
Description
Technical field
This utility model relates to a kind of air valve, is meant that specifically the air pump that is used for the controlling blood pressure meter charges and discharge the quick aerofluxus Non-return air valve of a kind of push button of gas to the sphygomanometer cuff.
Background technology
Sphygomanometer is a kind of medical apparatus and instruments of measuring human blood-pressure; Inflated to the cuff of tiing up on arm through Non-return air valve by air pump during sphygomanometer work, measuring finishes emits the air in the cuff through Non-return air valve again, and the Non-return air valve of prior art is the Non-return air valve of knob; The knob Non-return air valve is provided with a switching knob that opens and closes through screw; To open and close forward rotary tightening of knob during inflation, the unidirectional ventilation of Non-return air valve, the compressed air that air pump provides is unidirectional inflation in cuff; To open and close the knob counter-rotating during aerofluxus and unclamp, the external aerofluxus of Non-return air valve, the compressed air that remains in the cuff enters atmosphere through the slit that opens and closes knob; In practical application, open and close the knob very trouble of traling operation of outwarding winding, and frequently can be because of the traling tension is difficult to the aerofluxus of outwarding winding, therefore, there are unhandy problems and shortcomings in prior art.
Summary of the invention
Problems and shortcomings to above-mentioned prior art existence; This utility model adopts the air valve that is made up of valve body, exhaust plug, exhaust button, nonreturn valve core; Gas outlet and air inlet be separately positioned on valve body about two ends; Air vent is arranged on the top of valve body, in air vent, is provided with by what exhaust plug, exhaust button, back-moving spring, A sealing ring constituted and presses exhaust gear, and the unidirectional non-return admission gear that is made up of nonreturn valve core, spring, ventilation collar, B sealing ring is set in air inlet; During the cuff inflation, the compressed air that air pump provides gets into cuff by air inlet is unidirectional through the gas outlet through valve body; During the cuff aerofluxus; Pressing exhaust button drive exhaust plug makes gas outlet and atmosphere connect downwards; Compressed air in the cuff enters atmospheric technical scheme by the gas outlet through air vent; Provide a kind of push button quick aerofluxus Non-return air valve, be intended to make the gas that charges and discharge of sphygomanometer cuff reach purpose easy and simple to handle with pressing deflated mode.
The purpose of this utility model is achieved in that the quick aerofluxus Non-return air valve of a kind of push button, comprises valve body, exhaust plug, exhaust button, nonreturn valve core, plug, and wherein: described valve body is for being the tubular hollow and thin-walled plastics of four-way mass shell body member; The top of valve body is air vent, is provided with the counterbore step of setting-in exhaust plug, exhaust button, back-moving spring, A sealing ring in the said air vent; Be laid with the air discharge duct of the parallel axes of some and air vent on the hole wall of air vent; The bottom of valve body is provided with the fabrication hole that is used for assembly platoon gas valve core purposes; The left side of valve body is provided with the gas outlet of hose connection shape; The right of valve body is provided with the air inlet of hose connection shape, is provided with the step slotted eye of setting-in nonreturn valve core, spring, ventilation collar, B sealing ring in the said air inlet;
Described exhaust plug is the plastics matter stepped cylinder member that is inverted T-shape; The lower end of exhaust plug is columniform flange, and the top of exhaust plug is the feeler lever of four prisms cylinder; Be provided with the A sealing ring of O shape rubber mass above the flange of exhaust plug, the feeler lever place of exhaust plug is with the back-moving spring of cylindrical screw compression-type; The top of the feeler lever of exhaust plug is fixedly connected with columniform exhaust button;
Described nonreturn valve core is the axostylus axostyle shape member of the many steps of plastics matter, and the left end of nonreturn valve core is hemispheric flange step, and the middle part of nonreturn valve core is cylindrical mast, and the right-hand member of nonreturn valve core is conical, is called right awl end; Nonreturn valve core is provided with the annular groove that is used for setting-in ventilation collar between said mast and said right awl end; Nonreturn valve core is provided with the annular arc groove that is used for setting-in B sealing ring between said flange step and said mast; Said ventilation collar is that excircle is laid with the cylindric annular ring of plastics matter that three bifurcation gap slots, center are provided with manhole; The cylinder annular ring that said B sealing ring is a rubber mass; Be embedded with the B sealing ring in the said annular arc groove of nonreturn valve core, be embedded with the ventilation collar in the said annular groove of nonreturn valve core, the said mast place of nonreturn valve core is with the spring of cylindrical screw compression-type;
Described plug is the cylindrical bottle stopper shape plastics matter member that the lower end is provided with the flange step;
Exhaust plug is contained in the air vent of valve body; The lower end of said back-moving spring be positioned at air vent said counterbore step above; The upper end of back-moving spring be positioned at exhaust button below, the flange that is lined with the A sealing ring of exhaust plug be positioned at air vent said counterbore step below; Nonreturn valve core is contained in the air inlet of valve body; The left side that the said flange step of nonreturn valve core and B sealing ring are positioned at the said step slotted eye of air inlet; The left end of said spring is positioned at the right side of said step slotted eye; The right-hand member of said spring is positioned at the left side of ventilation collar, and the outer rim of ventilation collar is embedded in the caulking groove of step slotted eye fixing; Plug is through the fabrication hole place of ultrasonic bonding shutoff at valve body.
Operation principle and beneficial effect
During work, air inlet links to each other with the air pump hose of sphygomanometer, and the gas outlet links to each other with the cuff flexible pipe of sphygomanometer.
During the cuff inflation, the compressed air that air pump provides backs down said flange step and the B sealing ring of shutoff at the nonreturn valve core on the said step slotted eye of the air inlet left side to the right, and air-flow gets into cuff by air inlet through the gas outlet;
Cuff is inflated when up to standard, and air pump stops air feed, get in the cuff compressed air since the interception of nonreturn valve core can reversely not return through air inlet, thereby maintain the air pressure in the cuff by the gas outlet;
When blood pressure measuring is taken blood pressure; Press exhaust button crawl venting pressure release slowly downwards; Exhaust button drives exhaust plug and moves down; The said flange of exhaust plug and A sealing ring are removed the shutoff below the said counterbore step of air vent, and the compressed air that remains in the cuff enters atmosphere by air inlet through air vent;
When blood pressure measurement finishes the cuff aerofluxus, press exhaust button downwards, in like manner, the compressed air that remains in the cuff enters atmosphere by air inlet through air vent.Beneficial effect is that cuff need not manual work when inflating and closes the exhaust passage, only need press exhaust button downwards during the cuff aerofluxus, and is simple and convenient.
Above-mentioned; This utility model adopts the air valve that is made up of valve body, exhaust plug, exhaust button, nonreturn valve core; Gas outlet and air inlet be separately positioned on valve body about two ends; Air vent is arranged on the top of valve body, in air vent, is provided with by what exhaust plug, exhaust button, back-moving spring, A sealing ring constituted and presses exhaust gear, and the unidirectional non-return admission gear that is made up of nonreturn valve core, spring, ventilation collar, B sealing ring is set in air inlet; During the cuff inflation, the compressed air that air pump provides gets into cuff by air inlet is unidirectional through the gas outlet through valve body; During the cuff aerofluxus; Pressing exhaust button drive exhaust plug makes gas outlet and atmosphere connect downwards; Compressed air in the cuff enters atmospheric technical scheme by the gas outlet through air vent; Overcome prior art and had unhandy problems and shortcomings, the quick aerofluxus Non-return air valve of a kind of push button that is provided makes the gas that charges and discharge of sphygomanometer cuff reach simple and convenient purpose with pressing deflated mode.
Description of drawings
Fig. 1 is the cross-sectional schematic of structure of the quick aerofluxus Non-return air valve of a kind of push button of this utility model;
Fig. 2 is that the axle of structure of the quick aerofluxus Non-return air valve of a kind of push button of this utility model is surveyed cross-sectional schematic;
Fig. 3 is that the axle of each parts of the quick aerofluxus Non-return air valve of a kind of push button of this utility model is surveyed decomposing schematic representation.
Embodiment below in conjunction with in the accompanying drawing does further explain to this utility model, but should not be construed as any restriction to this utility model.
Among the figure: valve body 1, air inlet 11, gas outlet 12, air vent 13, fabrication hole 14, exhaust plug 2, exhaust button 21, back-moving spring 22, A sealing ring 23, nonreturn valve core 3, spring 31, ventilation collar 32, B sealing ring 33, plug 4.
The specific embodiment
Consult Fig. 1～Fig. 3, the quick aerofluxus Non-return air valve of a kind of push button of this utility model comprises valve body 1, exhaust plug 2, exhaust button 21, nonreturn valve core 3, plug 4, and wherein: described valve body 1 is for being the tubular hollow and thin-walled plastics of four-way mass shell body member; The top of valve body 1 is air vent 13, is provided with the counterbore step of setting-in exhaust plug 2, exhaust button 21, back-moving spring 22, A sealing ring 23 in the said air vent 13; Be laid with the air discharge duct of the parallel axes of some and air vent 13 on the hole wall of air vent 13; The bottom of valve body 1 is provided with the fabrication hole 14 that is used for assembly platoon gas valve core 2 purposes; The left side of valve body 1 is provided with the gas outlet 12 of hose connection shape; The right of valve body 1 is provided with the air inlet 11 of hose connection shape, is provided with the step slotted eye of setting-in nonreturn valve core 3, spring 31, ventilation collar 32, B sealing ring 33 in the said air inlet 11;
Described exhaust plug 2 is for being the plastics matter stepped cylinder member of inverted T-shape; The lower end of exhaust plug 2 is columniform flange, and the top of exhaust plug 2 is the feeler lever of four prisms cylinder; Be provided with the A sealing ring 23 of O shape rubber mass above the flange of exhaust plug 2, the feeler lever place of exhaust plug 2 is with the back-moving spring 22 of cylindrical screw compression-type; The top of the feeler lever of exhaust plug 2 is fixedly connected with columniform exhaust button 21;
The axostylus axostyle shape member that described nonreturn valve core 3 is the many steps of plastics matter, the left end of nonreturn valve core 3 are hemispheric flange step, and the middle part of nonreturn valve core 3 is cylindrical mast, and the right-hand member of nonreturn valve core 3 is conical, are called right awl end; Nonreturn valve core 3 is provided with the annular groove that is used for setting-in ventilation collar 32 between said mast and said right awl end; Nonreturn valve core 3 is provided with the annular arc groove that is used for setting-in B sealing ring 33 between said flange step and said mast; Said ventilation collar 32 is laid with the cylindric annular ring of plastics matter that three bifurcation gap slots, center are provided with manhole for excircle; Said B sealing ring 33 is the cylinder annular ring of rubber mass; Be embedded with B sealing ring 33 in the said annular arc groove of nonreturn valve core 3, be embedded with ventilation collar 32 in the said annular groove of nonreturn valve core 3, the said mast place of nonreturn valve core 3 is with the spring 31 of cylindrical screw compression-type;
Described plug 4 is provided with the cylindrical bottle stopper shape plastics matter member of flange step for the lower end;
Operation principle and beneficial effect
During work, air inlet 11 links to each other with the air pump hose of sphygomanometer, and gas outlet 12 links to each other with the cuff flexible pipe of sphygomanometer.
In cuff when inflation,, the compressed air that air pump provides backs down said flange step and the B sealing ring 33 of shutoff at the nonreturn valve core 3 on the air inlet 11 said step slotted eye left sides to the right, air-flow by air inlet 11 through the gas outlet 12 entering cufves;
Cuff is inflated when up to standard, and air pump stops air feed, get in the cuff compressed air since the interception of nonreturn valve core 3 can reversely not return through air inlet 11, thereby maintain the air pressure in the cuff by gas outlet 12;
When blood pressure measuring is taken blood pressure; Press exhaust button 21 crawls venting pressure release slowly downwards; Exhaust button 21 drives exhaust plug 2 and moves down; The said flange of exhaust plug 2 and A sealing ring 23 removed the shutoff below the said counterbore step of air vent 13, and the compressed air that remains in the cuff enters atmosphere by air inlet 11 through air vent 13;
When blood pressure measurement finishes the cuff aerofluxus, press exhaust button 21 downwards, in like manner, the compressed air that remains in the cuff enters atmosphere by air inlet 11 through air vent 13.Beneficial effect is that cuff need not manual work when inflating and closes the exhaust passage, only need press exhaust button 21 downwards during the cuff aerofluxus, and is simple and convenient.
Claims (1)
1. quick aerofluxus Non-return air valve of push button, it is characterized in that: comprise valve body (1), exhaust plug (2), exhaust button (21), nonreturn valve core (3), plug (4), described valve body (1) is for being the tubular hollow and thin-walled plastics of four-way mass shell body member; The top of valve body (1) is air vent (13), is provided with the counterbore step of setting-in exhaust plug (2), exhaust button (21), back-moving spring (22), A sealing ring (23) in the said air vent (13); Be laid with the air discharge duct of the parallel axes of some and air vent (13) on the hole wall of air vent (13); The bottom of valve body (1) is provided with the fabrication hole (14) that is used for assembly platoon gas valve core (2) purposes; The left side of valve body (1) is provided with the gas outlet (12) of hose connection shape; The right of valve body (1) is provided with the air inlet (11) of hose connection shape, is provided with the step slotted eye of setting-in nonreturn valve core (3), spring (31), ventilation collar (32), B sealing ring (33) in the said air inlet (11);
Described exhaust plug (2) is for being the plastics matter stepped cylinder member of inverted T-shape; The lower end of exhaust plug (2) is columniform flange, and the top of exhaust plug (2) is the feeler lever of four prisms cylinder; Be provided with the A sealing ring (23) of O shape rubber mass above the flange of exhaust plug (2), the feeler lever place of exhaust plug (2) is with the back-moving spring (22) of cylindrical screw compression-type; The top of the feeler lever of exhaust plug (2) is fixedly connected with columniform exhaust button (21);
Described nonreturn valve core (3) is the axostylus axostyle shape member of the many steps of plastics matter, and the left end of nonreturn valve core (3) is hemispheric flange step, and the middle part of nonreturn valve core (3) is cylindrical mast, and the right-hand member of nonreturn valve core (3) is conical, is called right awl end; Nonreturn valve core (3) is provided with the annular groove that is used for setting-in ventilation collar (32) between said mast and said right awl end; Nonreturn valve core (3) is provided with the annular arc groove that is used for setting-in B sealing ring (33) between said flange step and said mast; Said ventilation collar (32) is laid with the cylindric annular ring of plastics matter that three bifurcation gap slots, center are provided with manhole for excircle; Said B sealing ring (33) is the cylinder annular ring of rubber mass; Be embedded with B sealing ring (33) in the said annular arc groove of nonreturn valve core (3), be embedded with ventilation collar (32) in the said annular groove of nonreturn valve core (3), the said mast place of nonreturn valve core (3) is with the spring (31) of cylindrical screw compression-type;
Described plug (4) is provided with the cylindrical bottle stopper shape plastics matter member of flange step for the lower end;
Exhaust plug (2) is contained in the air vent (13) of valve body (1); The lower end of said back-moving spring (22) be positioned at air vent (13) said counterbore step above; The upper end of back-moving spring (22) be positioned at exhaust button (21) below, the flange that is lined with A sealing ring (23) of exhaust plug (2) be positioned at air vent (13) said counterbore step below; Nonreturn valve core (3) is contained in the air inlet (11) of valve body 1; The said flange step of nonreturn valve core (3) and B sealing ring (33) are positioned at the left side of the said step slotted eye of air inlet (11); The left end of said spring (31) is positioned at the right side of said step slotted eye; The right-hand member of said spring (31) is positioned at the left side of ventilation collar (32), and the outer rim of ventilation collar (32) is embedded in the caulking groove of step slotted eye fixing; Plug (4) is located at the fabrication hole (14) of valve body (1) through the ultrasonic bonding shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200573283U CN202458342U (en) | 2012-02-18 | 2012-02-18 | Button type quick air exhaust unidirectional air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200573283U CN202458342U (en) | 2012-02-18 | 2012-02-18 | Button type quick air exhaust unidirectional air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202458342U true CN202458342U (en) | 2012-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200573283U Expired - Fee Related CN202458342U (en) | 2012-02-18 | 2012-02-18 | Button type quick air exhaust unidirectional air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202458342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579027A (en) * | 2012-02-13 | 2012-07-18 | 刘忠发 | Button-type rapid air exhaust one-way air valve |
| CN103860158A (en) * | 2013-03-20 | 2014-06-18 | 张磊 | Novel mercury sphygmomanometer |
-
2012
- 2012-02-18 CN CN2012200573283U patent/CN202458342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579027A (en) * | 2012-02-13 | 2012-07-18 | 刘忠发 | Button-type rapid air exhaust one-way air valve |
| CN103860158A (en) * | 2013-03-20 | 2014-06-18 | 张磊 | Novel mercury sphygmomanometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20140218 |