CN2505616Y - Small medical air pump - Google Patents
Small medical air pump Download PDFInfo
- Publication number
- CN2505616Y CN2505616Y CN 01263619 CN01263619U CN2505616Y CN 2505616 Y CN2505616 Y CN 2505616Y CN 01263619 CN01263619 CN 01263619 CN 01263619 U CN01263619 U CN 01263619U CN 2505616 Y CN2505616 Y CN 2505616Y
- Authority
- CN
- China
- Prior art keywords
- valve
- exhaust
- air pump
- cup
- top cover
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
- Check Valves (AREA)
Abstract
A small medical air pump comprises: an air pump shell; a motor; a cam device which is provided with a cam fixed with a rotating shaft of a motor and an eccentric driving shaft arranged obliquely to the center of the cam; a driving plate which is connected with the driving shaft and can swing, wherein, two sides of the driving plate are respectively provided with a mounting hole; a top cover which is connected with the other end of the air pump shell to play a role as a valve seat and provided with: an exhaust long pipe; a valve hole positioned above the exhaust long pipe; a pair of exhaust chutes positioned on two sides of the valve hole, wherein, the upper openings are communicated with the top surface of the top cover while the lower openings are communicated with the position close to the lower end of the valve hole; a pair of movable valve mounting holes as well as a plurality of air inlets adjacent to the movable valve mounting holes; an exhaust soft gum valve sleeve arranged in the valve hole; a pair of movable valves which is provided with a valve bonnet capable of closing and opening the air inlets; a pair of soft rubber cup-shaped air bags of which the upper part is provided with a connecting joint for the connection with the driving plate. The air inlets, the intake movable valves and the upper openings of the exhaust chutes cup-shaped air bags are respectively covered by the cup-shaped air bags.
Description
Technical field
The utility model relates to a kind of air pump, particularly a kind of medical use small air pump of sphygmomanometer of suitable different purposes.
Background technique
The present sphygmomanometer air pump that uses on the market mainly is to be connected as a body and middlely to connect a cup-shaped air bag that is roundlet tubular anti-gas-leak flexible glue valve by motor drives is a pair of.When the cup-shaped air bag in the left and right sides was made the action of suction, exhausting air in turn, air just can be discharged from the exhaust long tube of central authorities by left and right sides float gas chute in turn.But the disadvantage of this design is that roundlet tubular anti-gas-leak flexible glue valve is to be bonded on the cup-shaped air bag, when the cup-shaped air bag in the left and right sides moves, just can produce vibrations and pull anti-gas-leak flexible glue valve, make it can not closely paste the float gas chute of the right and left in turn, regulate exhaust, cause air to leak through the exhaust chute.
In addition, because the periphery of the cup-shaped air bag in the left and right sides is pressed close to very much in the upper shed of two exhaust chutes; So in the left and right sides during motion of cup-shaped air bag, be easy to the flexible glue periphery of cup-shaped air bag also inspiration exhaust chute is caused gas leakage.
Based on above former thereby make air pump gas leakage, the user will prolong the pump gas time, cause and lose time, so the efficient of air pump is low, has influenced the validity of measuring when being applied to sphygmomanometer.
The model utility content
Therefore, in view of the above problems, the purpose of this utility model is to provide a kind of and can leak gas, can improve pump efficiency and can make measures the faster medical use small air pump accurately that reaches.
For achieving the above object, the utility model provides a kind of medical use small air pump, is characterized in, comprising: an air pump housing, and it has a base plate and a connecting box; One is fixed on the motor on base plate one end, and it has a rotatingshaft; One cam gear, it has a cam and of fixedlying connected with described rotatingshaft and is eccentrically set on live axle on the described cam; Described driving axial cam center is obliquely installed; One is connected the driving plate that can swing with described live axle, and it is ⊥ shape shape, respectively is provided with a mounting hole at the dual-side of described driving plate; One is connected the top cover that plays the valve seat effect on the described air pump housing the other end, and it is provided with: one is positioned at the exhaust long tube of middle body; One is positioned at the valve opening of exhaust long tube top; The exhaust chute of the symmetry on a pair of both sides that are positioned at valve opening, the upper shed of exhaust chute is communicated with the end face of top cover, and the following outlet of exhaust chute is communicated with by the lower end position place with described valve opening; The a pair of valve mounting hole alive that is positioned at the outside of described exhaust chute upper shed; And the some inlet holes that are positioned at the contiguous place of each valve mounting hole of living; One is arranged on the exhaust flexible glue valve pocket in the described valve opening of described top cover, and it has the inverted U-shaped section, is provided with otch on the barrel of exhaust flexible glue valve pocket, and the barrel on described otch both sides is close in the following outlet of exhaust chute; Valve alive in a pair of valve mounting hole described alive that is installed in described top cover, described valve alive has bonnet, can and open between two positions of described inlet hole and move at the described inlet hole of closure; The cup-shaped air bag of a pair of soft rubber, link into an integrated entity by a central link, the top of each described cup-shaped air bag is provided with a connecting head, connect in order to the mounting hole that passes described driving plate both sides respectively, described cup-shaped air bag abuts against on the end face of described top cover, covers described inlet hole, air inlet valve alive and the upper shed of exhaust chute respectively.
In above-mentioned model utility medical use small air pump, a plurality of cup-shaped air bags can be set, a plurality of exhaust chutes of respective numbers and the valve of living are set on top cover simultaneously.
Understand the purpose of this utility model, characteristics and advantage for clearer, preferred embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is that the solid branch of a preferred embodiment of the utility model medical use small air pump is rescued;
Fig. 2 is the assembling view of the small air pump of medical use shown in Fig. 1, state of running circuit shown in the figure;
Fig. 3 illustrates another state of medical use small air pump running circuit shown in Figure 2.
Embodiment
At first please refer to Fig. 1, the three-dimensional exploded view of the each several part assembly of the utility model small air pump one preferred embodiment has been shown among Fig. 1.Described medical use small air pump mainly includes a motor 10; One group of drive shaft assembly 30,40,80, two air inlets of a pair of continuous 60, one tubular exhausts of cup-shaped air bag flexible glue valve pocket valve 90 alive, and a top cover 70 that plays the valve seat effect.
The following while is described in detail the concrete structure of each assembly of the utility model small air pump with reference to Fig. 2 and 3.
Described small air pump comprises motor 10, it has a rotatingshaft 11, pass the shrinkage pool 21 of the central authorities of a stingy pump base plate 20, and respectively there is an aperture 22 on the both sides of base plate 20, be screwed into (not shown) in the tapped hole of motor 10 after allowing screw 23 pass, base plate 2 is fixed on the motor 10.
There is a center hole 31 in the central authorities of cam 30, are used for making after cam 30 passes base plate 20 central holes 21 rotatingshaft 11 secure fit of described center hole 31 and motor 10.One live axle 32 is housed on the eccentric position of cam 30, and described live axle 32 is to the centroclinal setting of cam 30.One driving plate 40 is ⊥ shape shape, is provided with central dimple 41, is used for live axle is inserted wherein, places a steel ball 42 in the bottom of central dimple 41, and its effect is to avoid live axle 32 to contact with driving plate 40 direct friction and the wearing and tearing that cause driving plate 40.The dual-side of driving plate 40 respectively is provided with a mounting hole 43.Above-mentioned cam 30, live axle 32 and driving plate 40 constitute drive shaft assemblies, are placed on a connecting box and smash, and are provided with boss 51 in the bottom center position of connecting box button, and the outward edge in the bottom surface 52 of boss 51 is provided with two opposed small columns 53.
The a pair of cup-shaped air bag of being made by flexible glue 60 is linked into an integrated entity by a central link 61, the bottom surface of central authorities' link 61 is provided with a dimple 62, the top of each cup-shaped air bag 60 is provided with a connecting head 63, neck 64 with a diameter reduction, after cup-shaped air bag is inserted connecting box 50 from the bottom, connecting head 63 passes the mounting hole 43 of the dual-side of driving stage 40, be stuck on the mounting hole 43 and cup-shaped air bag 60 is connected on the dual-side of driving plate 40 by neck 64, and can prevent that cup-shaped air bag 60 breaks away from driving plates 40.On the other hand, the bottom surface 52 of the boss 51 of connecting box 50 bottoms is against the end face of central link 61, and makes small column 53 pass aperture (not shown) on the outward edge of central link 61 of cup-shaped air bag 60, so that location and push down central link 61.
A top cover 70 that plays the valve seat effect, its middle body is provided with an exhaust long tube 71, described exhaust long tube cutter upper end is provided with a valve opening 72, the exhaust chute 73 that one symmetry is respectively arranged on the both sides of valve opening 72, the upper shed 74 of exhaust chute 73 is communicated with the end face 74 of top cover 70, and following outlet 75 is communicated with the close lower end position place of valve opening 72.One exhaust flexible glue valve pocket, 80 compact configuration are in valve opening 72, described flexible glue valve pocket 80 has the inverted U-shaped section, on the barrel 81 of exhaust flexible glue valve pocket, have otch 82, when flexible glue valve pocket 80 is contained in the valve opening 72, the barrel on otch 82 both sides is not close in the following outlet 76 of left and right sides exhaust chute 73 respectively.Also be respectively equipped with the valve mounting hole 77 of living in two outsides of the exhaust chute upper shed 74 of top cover 70, respectively be provided with an inlet hole 78 at the contiguous place of the valve mounting hole 77 of living.
Small air pump of the present utility model is provided with two air inlets valve 90 alive, air inlet valve 90 alive has the shape of similar umbrella shape, when valve mounting hole 77 is lived in valve pin 91 insertions of air inlet valve 90 alive, large-diameter portion 92 on the valve pin 91 leans on the bottom surface of valve mounting hole 77 of living, thereby can prevent that air inlet valve 90 alive is drawn out top cover 70 when air inlet.Meanwhile, the bonnet 93 of air inlet valve 90 alive covers on inlet hole 78, and its bonnet 93 can and be opened between 78 two positions of inlet hole and move at closed inlet hole 78.Air inlet valve 90 alive also can be made by elastic material, and its bonnet 93 can and be opened between 78 two positions of inlet hole and be out of shape at closed inlet hole 78.
After above-mentioned each member assembling, a pair of cup-shaped air bag 60 abuts against on the end face 75 of top cover 70, cover left and right sides inlet hole 78, air inlet valve 90 alive and exhaust chute upper shed 74 respectively, the top that the dimple 62 of the central link of cup-shaped air bag 61 bottom surfaces entangles exhaust flexible glue valve pocket 80.At last, be tightened on the base plate 20 after 4 long screws 79 are run through connecting box 50 from the bottom of top cover 70, each member is combined into one mutually.
Working order below with reference to Fig. 2 and 3 explanation the utility model medical use small air pump.In use, after the power-on, the rotatingshaft 11 of motor 10 just can rotate, and engages with cam 30 as such rotation axle 11.Thereby driving cam 30 also rotates, the cam 30 of rotation can drive the live axle 32 that is connected with driving plate 40 and rotate, because live axle 32 is eccentric shafts, so when rotating, based on known physics principle, the cup-shaped air bag 60 on the driving plate 40 is moved in turn up and down.When driving plate 40 is pressed to a side, just can depress that side's cup-shaped air bag 60, air in the air bag is compressed, pressurized air in the air bag is out of shape the bonnet 93 of described side's valve alive 90 downwards, inlet hole 78 closures with described side, therefore pressurized air enters that side's exhaust chute 73, by exporting 76 down the barrel 81 of the exhaust flexible glue valve pocket on described limit is pushed open, and pressurized air can be discharged through exhaust long tube 71.The same time, the opposing party at driving plate 40 is then drawn high, thereby pull-up this side's cup-shaped air bag 60, cause a kind of suction that upwards sucks air, make the upwards distortion of bonnet 93 of described side's air inlet valve 90 alive, ambient air is entered the cup-shaped air bag 60 from described side's inlet hole 78, and meanwhile, described suction makes the described side's of barrel 81 tight closure of exhaust flexible glue valve pocket exhaust chute outlet 76 down.By this do action that sucks exhausting air in turn, air pump just can carry out work.
From top explanation as can be known, because air pump of the present utility model has adopted the cup-shaped air bag 60 of a pair of soft rubber is made the two-part construction of split with exhaust flexible glue valve pocket 80, therefore, cup-shaped air bag 60 time can not be pullled and with vibration transfer supply and exhaust flexible glue valve pocket 80 in motion.In addition, based on the design of valve opening 72 on the top cover 70 of the present utility model and exhaust flexible glue valve pocket 80, make exhaust flexible glue valve pocket 80 when inserting valve opening 72, substantially exceed the position of outlet 76 under the exhaust chute.Therefore can prevent when air-breathing easily in the barrel 81 inspiration exhaust chutes 76 with exhaust flexible glue valve pocket 80.Because the upper shed 74 of exhaust chute 73 has certain distance apart from central valve opening 72, also make the cup periphery of cup-shaped air bag 60 be difficult for being pulled in the intake and exhaust chute 73 in addition.
In the superincumbent explanation, be to describe in conjunction with a kind of embodiment with medical use small air pump of a pair of cup-shaped air bag, it should be understood that the utility model is not limited, can also make various improvement not breaking away within the spiritual scope of the present utility model.For example, a plurality of cup-shaped air bags can be set, at this moment a plurality of exhaust chutes of respective numbers and the valve of living also are set on top cover.
Claims (8)
1. a medical use small air pump is characterized in that, comprising:
One air pump housing, it has a base plate and a connecting box;
One is fixed on the motor on base plate one end, and it has a rotatingshaft;
One cam gear, it has a cam and of fixedlying connected with described rotatingshaft and is eccentrically set on live axle on the described cam; Described driving axial cam center is obliquely installed;
One is connected the driving plate that can swing with described live axle, and it is ⊥ shape shape, respectively is provided with a mounting hole at the dual-side of described driving plate;
One is connected the top cover that plays the valve seat effect on the described air pump housing the other end, and it is provided with:
One is positioned at the exhaust long tube of middle body; One is positioned at the valve opening of exhaust long tube top; The exhaust chute of the symmetry on a pair of both sides that are positioned at valve opening, the upper shed of exhaust chute is communicated with the end face of top cover, and the following outlet of exhaust chute is communicated with by the lower end position place with described valve opening; The a pair of valve mounting hole alive that is positioned at the outside of described exhaust chute upper shed; And the some inlet holes that are positioned at the contiguous place of each valve mounting hole of living;
One is arranged on the exhaust flexible glue valve pocket in the described valve opening of described top cover, and it has the inverted U-shaped section, is provided with otch on the barrel of exhaust flexible glue valve pocket, and the barrel on described otch both sides is close in the following outlet of exhaust chute;
Valve alive in a pair of valve mounting hole described alive that is installed in described top cover, described valve alive has bonnet, can and open between two positions of described inlet hole and move at the described inlet hole of closure;
The cup-shaped air bag of a pair of soft rubber, link into an integrated entity by a central link, the top of each described cup-shaped air bag is provided with a connecting head, connect in order to the mounting hole that passes described driving plate both sides respectively, described cup-shaped air bag abuts against on the end face of described top cover, covers described inlet hole, air inlet valve alive and the upper shed of exhaust chute respectively.
2. medical use small air pump as claimed in claim 1 is characterized in that, described exhaust flexible glue valve pocket extends beyond the certain length of following outlet of exhaust chute when being installed in the valve opening.
3. medical use small air pump as claimed in claim 1 is characterized in that; Described valve alive is made by elastic material, makes its bonnet and open between the two positions of described inlet hole and to be out of shape at the described inlet hole of closure.
4. medical use small air pump as claimed in claim 1; It is characterized in that described valve alive has a valve pin, have a large-diameter portion to be used to be stuck in the bottom surface of described valve mounting hole alive on the valve pin.
5. medical use small air pump as claimed in claim 1 is characterized in that, the bottom center position of described connecting box is provided with a boss, and the central link of the cup-shaped air bag of described soft rubber is pressed against on the end face of described top cover by described boss.
6. medical use small air pump as claimed in claim 5 is characterized in that, the bottom surface of the central link of the cup-shaped air bag of described soft rubber is provided with a dimple, is used to be pressed on the end face of top cover, in case leak-stopping gas.
7. the small-sized air valve of medical use as claimed in claim 1 is characterized in that described driving plate is provided with a center dimple, is provided with a steel ball in the described dimple, and described live axle is plugged in the dimple of described center.
8. the small-sized air valve of medical use as claimed in claim 1 is characterized in that, reach each valve mounting hole of living contiguous place be provided with 3 described inlet holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01263619 CN2505616Y (en) | 2001-09-10 | 2001-09-10 | Small medical air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01263619 CN2505616Y (en) | 2001-09-10 | 2001-09-10 | Small medical air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2505616Y true CN2505616Y (en) | 2002-08-14 |
Family
ID=33671169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01263619 Expired - Lifetime CN2505616Y (en) | 2001-09-10 | 2001-09-10 | Small medical air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2505616Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010003272A1 (en) * | 2008-07-08 | 2010-01-14 | Chen Hsin-Yu | A gas extraction apparatus |
| CN102292549A (en) * | 2009-01-28 | 2011-12-21 | 欧姆龙健康医疗事业株式会社 | Diaphragm pump and blood pressure gauge |
-
2001
- 2001-09-10 CN CN 01263619 patent/CN2505616Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010003272A1 (en) * | 2008-07-08 | 2010-01-14 | Chen Hsin-Yu | A gas extraction apparatus |
| CN102292549A (en) * | 2009-01-28 | 2011-12-21 | 欧姆龙健康医疗事业株式会社 | Diaphragm pump and blood pressure gauge |
| CN102292549B (en) * | 2009-01-28 | 2014-04-16 | 欧姆龙健康医疗事业株式会社 | Diaphragm pump and blood pressure gauge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1906018A3 (en) | Miniature pump | |
| EP1243224A3 (en) | Arrangement on a dental device for connecting a fluid container | |
| CN2505616Y (en) | Small medical air pump | |
| CN207830083U (en) | Diaphragm pump | |
| US9835146B2 (en) | Method of producing air for ventricular assist system | |
| JP2004190625A (en) | Piston for air compressor | |
| CN2163252Y (en) | Multi-air chamber miniature bellows pump | |
| CN208380827U (en) | A kind of new-type air pump | |
| CN2257569Y (en) | Film pump | |
| CN206566269U (en) | Nose sucking device | |
| CN2879934Y (en) | Multi-purpose, saled circulation type strong vacuum cleaner | |
| CN208252322U (en) | A kind of electronic air extracting pump | |
| CN2314191Y (en) | Electromagnetic safety valve for household gas source | |
| CN2311659Y (en) | Relief cut-over butterfly valve | |
| CN219932417U (en) | Miniature electric high negative pressure diaphragm pump | |
| CN213478790U (en) | Combinable vacuum generator | |
| CN217081600U (en) | Floating ball valve of flowmeter | |
| CN218624592U (en) | Miniature air pump with stable structure | |
| CN2262629Y (en) | Tap | |
| CN2436918Y (en) | Intelligent gas meter electromechanical valve | |
| CN220955987U (en) | Diaphragm pump with non-return function | |
| CN2408319Y (en) | Self aid on-and-off valve | |
| CN2849216Y (en) | Small size air pressure pump having low power consumption air guide structure | |
| JPH0681795A (en) | Discharge valve device | |
| CN200949517Y (en) | Dual-purpose electric vacuum pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110910 Granted publication date: 20020814 |