CN203515996U

CN203515996U - Micropump and air valve structure of same

Info

Publication number: CN203515996U
Application number: CN201320316548.8U
Authority: CN
Inventors: 饶纶纲
Original assignee: BANGSHIDA TECHNOLOGY Co Ltd
Current assignee: BANGSHIDA TECHNOLOGY Co Ltd
Priority date: 2013-06-03
Filing date: 2013-06-03
Publication date: 2014-04-02
Anticipated expiration: 2023-06-03

Abstract

The utility model relates to a micropump and an air valve structure of the micropump. The micropump comprises an actuating device and an airflow guiding assembly. The airflow guiding assembly comprises an air cylinder structure and an air valve structured connected to the air cylinder structure. The air valve seat body is provided with an air outlet and a flow disturbing wall winding the air outlet. The air valve structure receives air from the air cylinder; and the air is discharged from the air outlet along the flow disturbing wall in a round about way, so flow speed of the air and volumes caused during air flow can be reduced.

Description

Micropump and air valve structure thereof

Technical field

The utility model is about a kind of micropump, and particularly a kind of have micropump and an air valve structure thereof that reduces noise function.

Background technique

Along with scientific and technological progress, the application of micropump is also extensive gradually.Such as in the field of medical equipment, micropump can be applicable to the blood-pressure sleeve coordinating with sphygmomanometer, in order to measure patient's blood pressure; Or, in daily life, the practical items that air bed that the tire of the required outfit of the traffic tool and convenience are high etc. need to be inflated, all common micropump that utilizes is carried out inflation action.

In general, existing micropump is mainly provided with a motor body, the Chinese patent that can be CN2890411Y with reference to notification number is disclosed, motor body is connected with a rotatingshaft, and motor body rotates this rotatingshaft, use and stir flexible sheet, air-flow can be given vent to anger via a gas collection portion of existing micropump.Wherein, this gas collection portion has the vents of many groups, and a plurality of non-return catch is barred from those vents movably, uses the current direction of regulation and control air-flow.

Furthermore, CN2890411Y more discloses a silencer wall that is covered in gas outlet, even if but existing micropump is equipped with silencer wall, when existing micropump is inflated, air-flow still can be rapidly by being covered in the silencer wall of gas outlet, and discharge from relief opening, thereby cannot effectively reach the effect that reduces gas flow rate and then noise-decreasing generation, therefore still can thanks for your hospitality people's noise producing, this running noise may cause user's mood unhappy, in the course of time, more may cause damage to user's the sense of hearing.

In view of this, provide a kind of gas flow rate that can make to reduce, to reduce the micropump of the noise of gas flow, and create quiet micropump Environmental Conditions, for this reason a target for solution that technical field is needed badly.

Model utility content

The technical problems to be solved in the utility model is, for prior art above shortcomings, a kind of micropump and air valve structure thereof are provided, by a flow-disturbing wall is compassingly set to air outlet, to extend the flow path of gas in air valve structure, and then the volume that lowers the flowing velocity of this gas and produce when mobile.

The utility model solves the technological scheme that its technical problem adopts and is to provide a kind of air valve structure, be applied to a micropump, this air valve structure comprises: an air valve pedestal and a spoiler, the internal surface that this air valve pedestal has an air outlet, an airflow space and defines this airflow space; This spoiler is formed at this internal surface, and this spoiler is around this air outlet, and is barred from a plurality of first straight line path going out between vent hole and this air outlet of this air valve pedestal; Wherein, the guiding of this spoiler is arranged in a gas flow of this airflow space through at least one air-flow guide hole of this spoiler, and discharges towards this air outlet, with the volume that lowers the flowing velocity of this gas and produced when mobile.

Preferably, this air valve pedestal comprises on one combining cover and combining cover once, this spoiler is formed at a lower surface of combining cover and one of them person of a lower surface of this lower combining cover on this, and on this, combining cover engages and jointly defines this airflow space with this spoiler with this lower combining cover.

Preferably, this air valve structure also comprises a plurality of umbellate forms valve of giving vent to anger, and those umbellate forms give vent to anger valve be covered in this air valve pedestal this lower combining cover a plurality of first go out vent hole top; Wherein, the gas coming from the outside first goes out vent hole through those, and promotes those valves of giving vent to anger and enter in this airflow space.

Preferably, this spoiler is a closed ring flow-disturbing wall, centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole.

Preferably, this air valve structure comprises a plurality of spoilers, and wantonly two adjacent these spoilers one be spaced apart this at least one air-flow guide hole; Wherein, those spoilers centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole, and respectively this spoiler is any one in a rectangular flow-disturbing block and an arc flow-disturbing block.

The utility model also provides a kind of micropump, and it comprises an actuator and air-flow guiding assembly, and this air-flow guiding assembly comprises: an air cylinder structure and an air valve structure, and this air cylinder structure is connected in this actuator driven by this actuator; This air valve structure comprises an air valve pedestal, and this air valve pedestal has an air outlet and around a flow-disturbing wall of this air outlet; Wherein, a centre of curvature of this flow-disturbing wall is towards this air outlet; Wherein, this air valve structure is engaged in this air cylinder structure, and with a gas of accepting to carry from this air cylinder structure, and this gas is discharged towards this air outlet along this flow-disturbing wall, with the volume that lowers the flowing velocity of this gas and produced when mobile.

Preferably, this air valve pedestal comprises on one combining cover and combining cover once, and on this, combining cover engages and jointly defines airflow space with this flow-disturbing wall with this lower combining cover; Wherein, this flow-disturbing wall is formed at one of them person of a upper surface of a lower surface and this lower combining cover of combining cover on this.

Preferably, this air valve structure also comprises a plurality of valves of giving vent to anger, and those valves of giving vent to anger be covered in this air valve pedestal this lower combining cover a plurality of first go out vent hole top; Wherein, this gas of carrying from this air cylinder structure first goes out vent hole through those, and promotes those valves of giving vent to anger and enter this air valve structure.

Preferably, this flow-disturbing wall is arranged at this air outlet and respectively this first goes out between vent hole.

Preferably, the internal surface that this air valve pedestal has an airflow space and defines this airflow space, this flow-disturbing wall is a closed ring flow-disturbing wall, and this annular flow-disturbing wall has at least one air-flow guide hole; Wherein, this closed ring flow-disturbing wall forms from an internal surface of this air valve pedestal is outstanding, and centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole.

Preferably, the internal surface that this air valve pedestal has an airflow space and defines this airflow space, this air valve pedestal comprises a plurality of arc flow-disturbing walls, and wantonly two those adjacent arc flow-disturbing walls form at least one air-flow guide hole; Wherein, those arc flow-disturbing walls form from an internal surface of this air valve pedestal is outstanding, and those arc flow-disturbing walls centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole.

Preferably, this air cylinder structure comprises an active compression cylinder element and a compression cylinder seat, and this compression cylinder seat has a plurality of receiving holes, in order to a plurality of cylinder portion of accommodating this active compression cylinder element.

Preferably, this compression cylinder seat has a plurality of air inlet through holes, and this active compression cylinder element has a plurality of air inlet block bodies, and respectively this air inlet block body is covered in this corresponding air inlet through hole; Wherein, in this active compression cylinder element respectively this cylinder portion compresses time, this corresponding valve of giving vent to anger of this gas push in this cylinder portion respectively.

Preferably, a bottom surface of this air valve pedestal is formed with a plurality of vent grooves, and this air valve pedestal is engaged in this air cylinder structure with this bottom surface, and respectively the two ends of this vent grooves extend to this air inlet block body and this cylinder portion of this active compression cylinder element; Wherein, when respectively this cylinder portion expands, this gas is sequentially through being formed at a suction port of this compression cylinder seat, respectively this air inlet through hole, respectively this air inlet block body and this vent grooves and enter respectively this cylinder portion respectively.

Preferably, this actuator comprises a motor and an off-axis link assembly, and this off-axis link assembly is connected in a running shaft of this motor.

Preferably, this off-axis link assembly has a plurality of connecting grooves, and respectively this connecting groove is fixedly connected on a bottom of this corresponding cylinder portion.

Preferably, this air valve structure also comprises a plurality of buffer bodies, and respectively this buffer body is disposed at that respectively this is given vent to anger between valve and this air valve pedestal.

Preferably, respectively this buffer body has a plurality of second and goes out vent hole, and when respectively this buffer body is stacked at this air valve pedestal, those of this buffer body second through-hole alignment of giving vent to anger first goes out vent hole in those of this air valve pedestal.

Preferably, respectively this valve of giving vent to anger has a covering part and extends the connection handle from this covering part, and this connection handle passed through this buffer body and with one end of this connection handle, was connected in a conjugate foramen of this air valve pedestal; Wherein, respectively this covering part of this valve of giving vent to anger be covered in this buffer body those second go out vent hole and this air valve pedestal those first go out vent hole.

The utility model also provides a kind of micropump, and it comprises an actuator and air-flow guiding assembly, and this air-flow guiding assembly comprises an air cylinder structure and an air valve structure, and this air cylinder structure is connected in this actuator driven by this actuator; This air valve structure comprises by combining cover on one and an air valve pedestal that once combining cover is combined into; Wherein, on this, a lower surface of combining cover protrudes and is formed with a flow-disturbing wall, and this lower combining cover is engaged in this air cylinder structure, with a gas of accepting to carry from this air cylinder structure, and this gas is discharged an air outlet of combining cover on this along this flow-disturbing wall, with the volume that lowers the flowing velocity of this gas and produced when mobile.

Preferably, the closed ring flow-disturbing wall that this flow-disturbing wall is formed in one, and this annular flow-disturbing wall has at least one air-flow guide hole; Or this air valve pedestal comprises a plurality of flow-disturbing walls, and respectively a centre of curvature of this flow-disturbing wall, towards this air outlet, and makes adjacent respectively between this flow-disturbing wall, to be formed with an air-flow path.

Preferably, this air valve structure also comprises a plurality of valves of giving vent to anger, and those valves of giving vent to anger are covered in a plurality of first of this air valve pedestal and go out vent hole top; Wherein, this gas of carrying from this air cylinder structure first goes out vent hole through a plurality of those, and promotes those valves of giving vent to anger and enter this air valve structure.

Preferably, this air valve structure also comprises a buffer body, and this buffer body is disposed at this and gives vent to anger between valve and this air valve pedestal.

Preferably, this buffer body has a plurality of second and goes out vent hole, and when this buffer body is stacked at this air valve pedestal, those of this buffer body second through-hole alignment of giving vent to anger first goes out vent hole in those of this air valve pedestal.

Preferably, this valve of giving vent to anger has a covering part and extends the connection handle from this covering part, and this connection handle passed through this buffer body and with one end of this connection handle, was connected in a conjugate foramen of this air valve pedestal; Wherein, this covering part of this valve of giving vent to anger be covered in this buffer body this second go out vent hole and this air valve pedestal this first go out vent hole.

Preferably, those first go out vent hole relatively this connection handle in 120 degree work equably around arrangement; Or, those first go out vent hole relatively this connection handle in 180 degree work equably around arrangement; Or, those first go out vent hole relatively this connection handle in 240 degree work equably around arrangement; Or, those first go out vent hole relatively this connection handle in 270 degree work equably around arrangement.

The utility model is by the setting round air outlet hole by spoiler, make gas cannot directly just flow to exhaust port through shortest path in air valve pedestal, but must flow round after one section of extra distance along spoiler, just can flow to exhaust port discharges, extend by this flow path of gas in air valve structure, gas flow rate can be slowed down, the volume simultaneously producing during gas flow can be lowered in the lump, thus, can reduce the volume that micropump produces when carrying out running, enter to create a quiet Environmental Conditions of micropump.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of the utility model micropump.

Fig. 2 is the utility model micropump the first embodiment's generalized section.

Fig. 3 is that the utility model micropump the first embodiment is in the three-dimensional exploded view at a visual angle.

Fig. 4 is that the utility model micropump the first embodiment is in the three-dimensional exploded view at another visual angle.

Fig. 5 is that the utility model micropump the first embodiment's air valve structure is in the three-dimensional exploded view at a visual angle.

Fig. 6 is that the utility model micropump the first embodiment's air valve structure is in the three-dimensional exploded view at another visual angle.

Fig. 7 is the three-dimensional exploded view of the utility model micropump the second embodiment's air valve structure.

Fig. 8 is the three-dimensional exploded view of the utility model micropump the 3rd embodiment's air valve structure.

Embodiment

Fig. 1 is the utility model micropump the first embodiment's schematic perspective view; Fig. 2 is the utility model micropump the first embodiment's generalized section, and please refer to Fig. 1 and Fig. 2.The utility model micropump comprises an actuator 1 and air-flow guiding assembly, and wherein, air-flow guiding assembly comprises an air cylinder structure 2 and the air valve structure 3 that group connects mutually.Wherein, actuator 1 is connected in air cylinder structure 2, and by this, when actuator 1 starts, the suitable air cylinder structure 2 that can order about is carried out running, and a gas that is adjacent to air cylinder structure 2 is inhaled in air cylinder structure 2 via the suction port 210 on air cylinder structure 2.Moreover air cylinder structure 2 connects with 3 groups of air valve structures, and flow into this gas in air cylinder structure 2 continue to pass through airflow space 30 of air valve structure 3, an air outlet 311a of the air valve structure 3 of then flowing through and discharging, by this to carry out the effect of supply air flow.As for the detailed structure of airflow space 30, describe in detail as after.But must expositor be that micropump is not limited to pilot gas, also can guide liquid, all can implement in this.

In this, first the suction port 210 of air cylinder structure 2 is explained.Wherein, suction port 210 can form a ring-side wall (as shown in Figures 1 and 2) of air cylinder structure 2; Or suction port 210 can be formed at air valve structure 3, if arrange according to this, the flow path of this gas to meeting towards toward actuator 1 again towards air valve structure 3.But or suction port 210 can be formed at actuator 1; Or suction port 210 can form a bottom surface of air cylinder structure 2, if arrange according to this, the flow path of this gas is directly unidirectional towards past air valve structure 3.In other words, in response to the possibility of various flow paths, and the utility model suction port 210 positions are optionally set, therefore a restriction is not done in suction port 210 positions in this.

Fig. 3 is that the utility model micropump the first embodiment is in the three-dimensional exploded view at a visual angle; Fig. 4 is that the utility model micropump the first embodiment is in the three-dimensional exploded view at another visual angle; Fig. 5 is that the utility model micropump the first embodiment's air valve structure is in the three-dimensional exploded view at a visual angle; Fig. 6 is that the utility model micropump the first embodiment's air valve structure is in the three-dimensional exploded view at another visual angle, and please refer to Fig. 1 to Fig. 6.In the present embodiment, air valve structure 3 comprises an air valve pedestal 31 and a plurality of valve 32 of giving vent to anger; Wherein, as shown in Figures 5 and 6, air valve pedestal 31 comprises on one combining cover 311 and combining cover 312 once, and upper combining cover 311 and lower combining cover 312 are in conjunction with jointly to define airflow space 30(ginseng Fig. 2), the valve 32 of giving vent to anger is to be arranged among airflow space 30.Moreover, continue to consult Fig. 5 and Fig. 6, lower combining cover 312 has a plurality of first and goes out vent hole 312a, and the valve 32 of giving vent to anger is a conjugate foramen 312c who is connected in the lower combining cover 312 of air valve pedestal 31, and is covered in a plurality of first of lower combining cover 312 and goes out vent hole 312a top.Once actuator 1 drives air cylinder structure 2 runnings, can guide this gas of being arranged in air-flow guiding assembly and go out vent hole 312a and promote in turn a plurality of valves 32 of giving vent to anger through a plurality of first.Certainly, the first quantity that goes out vent hole 312a can, for a plurality of, not be restricted in this for single.

Furthermore, the valve 32 of giving vent to anger has a covering part 322 and extends the connection handle 321 from covering part 322, therefore preferably implement aspect, is, the valve 32 of giving vent to anger is the umbellate form valve of giving vent to anger.And, the end of connection handle 321 is connected in the conjugate foramen 312c of the lower combining cover 312 of air valve pedestal 31, therefore when micropump operates, the valve 32 of giving vent to anger is still connected in the lower combining cover 312 of air valve pedestal 31 with connection handle 321, and each covering part 322 can be broken through and start through the first gas that goes out vent hole 312a in turn.

Specifically, air valve structure 3 more comprises a spoiler 35, is formed at an internal surface of air valve pedestal 31; Wherein, this internal surface is that the upper surface 3120 by a lower surface 3110 of upper combining cover 311 and lower combining cover 312 forms jointly, and also jointly defines the airflow space 30 of air valve pedestal 31.Moreover, spoiler 35 is around air outlet 311a and spoiler 35 is compassingly set at the object of air outlet 311a is, spoiler 35 is barred to first of air valve pedestal 31 to be gone out on the straight line path between vent hole 312a and air outlet 311a, to avoid this gas directly to flow to air outlet 311a through shortest path, but by stopping this gas, make to flow out a plurality of first this gas that goes out vent hole can be in airflow space 30 roundabout taking a devious route again, use the flowing velocity that slows down this gas, and then reduce the volume that it produces when mobile.

In the utility model the first embodiment, outstanding this lower surface 3110 that is formed at combining cover 311 of spoiler 35, preferably, spoiler 35 is a closed ring flow-disturbing wall, and centered by the 311a of air outlet around air outlet 311a, and equidistantly or non-air outlet 311a and each first that be equidistantly arranged at go out between vent hole 312a.Certainly, non-to be equidistantly arranged at that air outlet 311a and each first go out between vent hole 312a be also a kind of possible enforcement aspect, in this, is not restricted.Furthermore, this closed ring flow-disturbing wall has at least one air-flow guide hole 350, after detouring and flow, through at least one air-flow guide hole 350, to air outlet 311a, discharges for this gas along closed ring flow-disturbing wall 35.

Please continue to refer to Fig. 3 to Fig. 6, for making micropump of the present utility model when operating, more can reduce the decibel value of noise, air-flow guiding assembly of the present utility model more comprises a buffer body 33, is disposed at and gives vent to anger between valve 32 and air valve pedestal 31.Refer to Fig. 5, buffer body 33 has a plurality of second and goes out vent hole 33a, and the second position that goes out vent hole 33a corresponds to first and goes out vent hole 312a.Wherein, buffer body 33 is stacked at the lower combining cover 312 of air valve pedestal 31, and valve 32 assemblings of giving vent to anger are arranged in buffer body 33 and are connected to air valve pedestal 31.Because buffer body 33 is used to absorb and clash into one of powers and slow down structure as give vent to anger 312 of valve 32 and lower combining covers, therefore will lower the shock volume producing when lower combining cover 312 covering because of the valve 32 of giving vent to anger.

On the other hand, a plurality of arrangement modes that go out vent hole 312a are preferably, with non-360 deg annular around mode around the corresponding valve 32 of giving vent to anger, be arranged at by the conjugate foramen 312c of lower combining cover 312, and a plurality ofly go out vent hole 312a coating cap 322 and hide.Such as, a plurality of go out vent hole can be with the angle of 120 degree, 180 degree, 240 degree and 270 degree etc., part is around the connection handle 321 of the corresponding valve 32 of giving vent to anger.Arrange by this, this gas that has been arranged in this air-flow guiding assembly can be via a plurality of vent hole 312a of going out of specific arrangement design, and a part for the valve 32 that only promotes respectively to give vent to anger, while making respectively to give vent to anger valve 32 involution, the valve 32 of respectively giving vent to anger only bounces in air valve pedestal 31 part, uses attenuating and respectively gives vent to anger valve 32 because carrying out towards air valve pedestal 32 the shock volume that an overlap action produces.

Next introduce the utility model air cylinder structure 2, shown in Fig. 3 and Fig. 4.Air cylinder structure 2 comprises an active compression cylinder element 22 and a compression cylinder seat 21, in this, must first expositor be, compression cylinder seat 21 has a plurality of receiving hole 21a, for active

compression cylinder element

22 and 21 combinations of compression cylinder seat, in conjunction with mode be a plurality of receiving hole 21a that a plurality of cylinder 22a of portion of active compression cylinder element 22 are placed in compression cylinder seat 21, therefore, the number of receiving hole 21a corresponds to the number of the 22a of cylinder portion.Moreover compression cylinder seat 21 has a plurality of air inlet through holes 211, active compression cylinder element 22 has a plurality of air inlet block bodies 221, and each air inlet block body 221 is covered in each corresponding air inlet through hole 211.

Next introduce the utility model actuator 1, actuator 1 comprises a motor 11 and an off-axis link assembly 12, off-axis link assembly 12 is connected in a running shaft 112 of motor 11, and off-axis link assembly 12 has a plurality of connecting groove 12a, each connecting groove 12a is fixedly connected on a bottom of the corresponding 22a of cylinder portion.Therefore, while driving 12 rotation of off-axis link assembly in motor 11 runnings, can drive in turn the 22a of each cylinder portion compression and expansion, use and carry out the function that micropump is carried gas.

Furthermore, one bottom surface of air valve pedestal 31 is formed with a plurality of vent grooves 313, and air valve pedestal 31 is engaged in air cylinder structure 2 with this bottom surface, wherein, the two ends of each vent grooves 313 extend to air inlet block body 221 and the 22a of cylinder portion of active compression cylinder element 22.Arrange by this, when the 22a of each cylinder portion expands, this gas sequentially enters the corresponding 22a of each cylinder portion through suction port 210, each air inlet through hole 211, each air inlet block body 221 and each vent grooves 313.Thereafter, then promote in turn this gas in the 22a of each cylinder portion to start the corresponding valve 32 of giving vent to anger to enter at least one airflow space 30, so that this gas discharges through the air outlet of upper combining cover 311 311a.

Fig. 7 be the utility model micropump the second embodiment air valve structure in three-dimensional exploded view.In the second embodiment, micropump comprises an actuator, group connects mutually an air cylinder structure and an air valve structure 4, but the actuator 1 and the air cylinder structure 2 that are same as the first embodiment due to the second embodiment's actuator and air cylinder structure, therefore no longer repeat this two elements in this.Moreover the air valve structure 4 in the present embodiment comprises a spoiler 45, spoiler 45 is also a closed ring flow-disturbing wall.

The second embodiment is different from the first embodiment person and is, the outstanding upper surface 4120 that is formed at lower combining cover 412 of this closed ring flow-disturbing wall in the second embodiment, and centered by the 411a of air outlet around air outlet 411a, equidistantly or non-air outlet 411a and each first that be equidistantly arranged at go out between vent hole 412a.Thus, also can reach this gas along spoiler 35 in airflow space 30 interior do roundabout detour flow after, then the air-flow guide hole 450 of flowing through, and the effect of discharging to air outlet.Therefore, convenience during the visual making mould of manufacturer, can the one in the lower surface (as shown in Figure 6) of upper combining cover and the upper surface (as shown in Figure 7) of lower combining cover make closed ring flow-disturbing wall option and installment.

Fig. 8 is the three-dimensional exploded view of the utility model micropump the 3rd embodiment's air valve structure.In the 3rd embodiment, micropump comprises an actuator, group connects mutually an air cylinder structure and an air valve structure 5, the actuator 1 and the air cylinder structure 2 that are same as the first embodiment due to the second embodiment's actuator and air cylinder structure, therefore no longer repeat this two elements in this.

The 3rd embodiment is different from front two embodiment's parts and is, except economization goes arranging of buffer body, in the 3rd embodiment, air valve structure 5 comprises a plurality of spoilers 55, the outstanding upper surface 5120 that is formed at lower combining cover 512.And an interval of wantonly two adjacent spoilers 55 becomes an air-flow guide hole 550, after flowing along a plurality of spoilers 55 for this gas, then discharge through a plurality of air-flow guide holes 550 and to air outlet 511a.Wherein, a plurality of spoilers 55 centered by the 511a of air outlet around air outlet 511a, and equidistantly or non-air outlet 511a and each first that be equidistantly arranged at go out between vent hole 512a, and each spoiler 55 is any one in an arc flow-disturbing block, a rectangular flow-disturbing block and other erose flow-disturbing block.In this, must expositor be, if when each spoiler is an arc flow-disturbing block, a centre of curvature C of each arc flow-disturbing block, towards air outlet 511a, arranges by this, also can reach the flowing velocity that lowers this gas, and and then lowers the volume that it produces when mobile.

In this, must supplementary notes person be, manufacturer also can change the formation position of a plurality of spoilers 55 in the 3rd embodiment, makes spoiler 55 be formed at the lower surface of combining cover 511, that is, the lower surface of combining cover 511 is extruded with spoiler, so also can effectively reach the effect that upsets this gas flow.

Need special instruction, in the utility model embodiment, although be to take gas to enumerate in fluid enters micropump, non-as limit.The utility model micropump can be applicable to the fluid of liquid kind certainly, usings and uses as liquid micro pump.If to be applied to liquid, air cylinder structure of the present utility model is a hydraulic cylinder structure, air valve structure of the present utility model is a hydrovalve structure, the setting of inlet hole of the present utility model becomes liquid inlet handhole, the setting of air outlet hole of the present utility model becomes liquid tap hole, by that analogy, this all belongs to the art those of ordinary skill and can change easily, and the change setting of doing.

In sum, the utility model is by the setting round air outlet hole by spoiler, make gas cannot directly just flow to exhaust port through shortest path in air valve pedestal, but must flow after one section of extra distance round along spoiler, just can flow to exhaust port and discharge.Arrange by this, gas flow rate can be slowed down, and the volume simultaneously producing during gas flow can be lowered in the lump, thus, can reduce the volume that micropump produces when carrying out running, enters to create a quiet Environmental Conditions of micropump.

Above-described embodiment is only illustrative principle of the present utility model and effect thereof, and explains technical characteristics of the present utility model, but not for limiting protection category of the present utility model.Any the art those of ordinary skill all can be without prejudice to know-why of the present utility model and spirit in the situation that, can unlabored change or the arrangement of isotropism all belong to the scope that the utility model is advocated.Therefore, rights protection scope of the present utility model should be as listed in its claim scope.

Claims

1. an air valve structure, is applied to a micropump, it is characterized in that, this air valve structure comprises:

One air valve pedestal, an internal surface that there is an air outlet, an airflow space and define this airflow space; And

One spoiler, is formed at this internal surface, and this spoiler is around this air outlet, and is barred from a plurality of first straight line path going out between vent hole and this air outlet of this air valve pedestal;

Wherein, this spoiler guiding is arranged in a gas flow of this airflow space through at least one air-flow guide hole of this spoiler, and discharges towards this air outlet.

2. air valve structure as claimed in claim 1, it is characterized in that, this air valve pedestal comprises on one combining cover and combining cover once, this spoiler is formed at a lower surface of combining cover and one of them person of a lower surface of this lower combining cover on this, and on this, combining cover engages and jointly defines this airflow space with this spoiler with this lower combining cover.

3. air valve structure as claimed in claim 2, is characterized in that, this air valve structure also comprises a plurality of umbellate forms valve of giving vent to anger, and those umbellate forms give vent to anger valve be covered in this air valve pedestal this lower combining cover a plurality of first go out vent hole top; Wherein, the gas coming from the outside first goes out vent hole through those, and promotes those valves of giving vent to anger and enter in this airflow space.

4. air valve structure as claimed in claim 3, is characterized in that, this spoiler is a closed ring flow-disturbing wall, centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole.

5. air valve structure as claimed in claim 3, is characterized in that, this air valve structure comprises a plurality of spoilers, and wantonly two adjacent these spoilers one be spaced apart this at least one air-flow guide hole; Wherein, those spoilers centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole, and respectively this spoiler is any one in a rectangular flow-disturbing block and an arc flow-disturbing block.

6. a micropump, is characterized in that, comprising:

One actuator; And

One air-flow guiding assembly, comprising:

One air cylinder structure, is connected in this actuator driven by this actuator; And

One air valve structure, comprises an air valve pedestal, and this air valve pedestal has an air outlet and around a flow-disturbing wall of this air outlet; Wherein, a centre of curvature of this flow-disturbing wall is towards this air outlet;

Wherein, this air valve structure is engaged in this air cylinder structure, and with a gas of accepting to carry from this air cylinder structure, and this gas is discharged towards this air outlet along this flow-disturbing wall.

7. micropump as claimed in claim 6, is characterized in that, this air valve pedestal comprises on one combining cover and combining cover once, and on this, combining cover engages and jointly defines airflow space with this flow-disturbing wall with this lower combining cover; Wherein, this flow-disturbing wall is formed at one of them person of a upper surface of a lower surface and this lower combining cover of combining cover on this.

8. micropump as claimed in claim 7, is characterized in that, this air valve structure also comprises a plurality of valves of giving vent to anger, and those valves of giving vent to anger be covered in this air valve pedestal this lower combining cover a plurality of first go out vent hole top; Wherein, this gas of carrying from this air cylinder structure first goes out vent hole through those, and promotes those valves of giving vent to anger and enter this air valve structure.

9. micropump as claimed in claim 8, is characterized in that, this flow-disturbing wall is arranged at this air outlet and respectively this first goes out between vent hole.

10. micropump as claimed in claim 9, is characterized in that, the internal surface that this air valve pedestal has an airflow space and defines this airflow space, and this flow-disturbing wall is a closed ring flow-disturbing wall, and this annular flow-disturbing wall has at least one air-flow guide hole; Wherein, this closed ring flow-disturbing wall forms from an internal surface of this air valve pedestal is outstanding, and centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole.

11. micropumps as claimed in claim 9, it is characterized in that, the internal surface that this air valve pedestal has an airflow space and defines this airflow space, this air valve pedestal comprises a plurality of arc flow-disturbing walls, and wantonly two those adjacent arc flow-disturbing walls form at least one air-flow guide hole; Wherein, those arc flow-disturbing walls form from an internal surface of this air valve pedestal is outstanding, and those arc flow-disturbing walls centered by this air outlet around this air outlet, and equidistantly or be non-ly equidistantly arranged at this air outlet and respectively this first goes out between vent hole.

12. micropumps as claimed in claim 9, is characterized in that, this air cylinder structure comprises an active compression cylinder element and a compression cylinder seat, and this compression cylinder seat has a plurality of receiving holes, in order to a plurality of cylinder portion of accommodating this active compression cylinder element.

13. micropumps as claimed in claim 12, is characterized in that, this compression cylinder seat has a plurality of air inlet through holes, and this active compression cylinder element has a plurality of air inlet block bodies, and respectively this air inlet block body is covered in this corresponding air inlet through hole; Wherein, in this active compression cylinder element respectively this cylinder portion compresses time, this corresponding valve of giving vent to anger of this gas push in this cylinder portion respectively.

14. micropumps as claimed in claim 13, it is characterized in that, one bottom surface of this air valve pedestal is formed with a plurality of vent grooves, this air valve pedestal is engaged in this air cylinder structure with this bottom surface, and respectively the two ends of this vent grooves extend to this air inlet block body and this cylinder portion of this active compression cylinder element; Wherein, when respectively this cylinder portion expands, this gas is sequentially through being formed at a suction port of this compression cylinder seat, respectively this air inlet through hole, respectively this air inlet block body and this vent grooves and enter respectively this cylinder portion respectively.

15. micropumps as claimed in claim 14, is characterized in that, this actuator comprises a motor and an off-axis link assembly, and this off-axis link assembly is connected in a running shaft of this motor.

16. micropumps as claimed in claim 15, is characterized in that, this off-axis link assembly has a plurality of connecting grooves, and respectively this connecting groove is fixedly connected on a bottom of this corresponding cylinder portion.

17. micropumps as claimed in claim 9, is characterized in that, this air valve structure also comprises a plurality of buffer bodies, and respectively this buffer body is disposed at that respectively this is given vent to anger between valve and this air valve pedestal.

18. micropumps as claimed in claim 17, it is characterized in that, respectively this buffer body has a plurality of second and goes out vent hole, and when respectively this buffer body is stacked at this air valve pedestal, those of this buffer body second through-hole alignment of giving vent to anger first goes out vent hole in those of this air valve pedestal.

19. micropumps as claimed in claim 18, it is characterized in that, respectively this valve of giving vent to anger has a covering part and extends the connection handle from this covering part, and this connection handle passed through this buffer body and with one end of this connection handle, was connected in a conjugate foramen of this air valve pedestal; Wherein, respectively this covering part of this valve of giving vent to anger be covered in this buffer body those second go out vent hole and this air valve pedestal those first go out vent hole.

20. 1 kinds of micropumps, is characterized in that, comprising:

One actuator; And

One air-flow guiding assembly, comprising:

One air valve structure, comprises by combining cover on one and an air valve pedestal that once combining cover is combined into; Wherein, on this, a lower surface of combining cover protrudes and to be formed with a flow-disturbing wall, and this lower combining cover is engaged in this air cylinder structure, and with a gas of accepting to carry from this air cylinder structure, and this gas is discharged an air outlet of combining cover on this along this flow-disturbing wall.

21. micropumps as claimed in claim 20, is characterized in that, the closed ring flow-disturbing wall that this flow-disturbing wall is formed in one, and this annular flow-disturbing wall has at least one air-flow guide hole; Or this air valve pedestal comprises a plurality of flow-disturbing walls, and respectively a centre of curvature of this flow-disturbing wall, towards this air outlet, and makes adjacent respectively between this flow-disturbing wall, to be formed with an air-flow path.

22. micropumps as claimed in claim 21, is characterized in that, this air valve structure also comprises a plurality of valves of giving vent to anger, and those valves of giving vent to anger are covered in a plurality of first of this air valve pedestal and go out vent hole top; Wherein, this gas of carrying from this air cylinder structure first goes out vent hole through a plurality of those, and promotes those valves of giving vent to anger and enter this air valve structure.

23. micropumps as claimed in claim 22, is characterized in that, this air cylinder structure comprises an active compression cylinder element and a compression cylinder seat, and this compression cylinder seat has a plurality of receiving holes, in order to a plurality of cylinder portion of accommodating this active compression cylinder element.

24. micropumps as claimed in claim 23, is characterized in that, this compression cylinder seat has a plurality of air inlet through holes, and this active compression cylinder element has a plurality of air inlet block bodies, and respectively this air inlet block body is covered in this corresponding air inlet through hole; Wherein, in this active compression cylinder element respectively this cylinder portion compresses time, this corresponding valve of giving vent to anger of this gas push in this cylinder portion respectively.

25. micropumps as claimed in claim 24, it is characterized in that, one bottom surface of this air valve pedestal is formed with a plurality of vent grooves, and this air valve pedestal is engaged in this air cylinder structure with this bottom surface, and respectively the two ends of this vent grooves extend to this air inlet block body and this cylinder portion of this active compression cylinder element; Wherein, when respectively this cylinder portion expands, this gas is sequentially through being formed at a suction port of this compression cylinder seat, respectively this air inlet through hole, respectively this air inlet block body and this vent grooves and enter respectively this cylinder portion respectively.

26. micropumps as claimed in claim 22, is characterized in that, this air valve structure also comprises a buffer body, and this buffer body is disposed at this and gives vent to anger between valve and this air valve pedestal.

27. micropumps as claimed in claim 26, is characterized in that, this buffer body has a plurality of second and goes out vent hole, and when this buffer body is stacked at this air valve pedestal, those of this buffer body second through-hole alignment of giving vent to anger first goes out vent hole in those of this air valve pedestal.

28. micropumps as claimed in claim 27, it is characterized in that, this valve of giving vent to anger has a covering part and extends the connection handle from this covering part, and this connection handle passed through this buffer body and with one end of this connection handle, was connected in a conjugate foramen of this air valve pedestal; Wherein, this covering part of this valve of giving vent to anger be covered in this buffer body this second go out vent hole and this air valve pedestal this first go out vent hole.

29. micropumps as claimed in claim 28, is characterized in that, those first go out vent hole relatively this connection handle in 120 degree work equably around arrangement; Or, those first go out vent hole relatively this connection handle in 180 degree work equably around arrangement; Or, those first go out vent hole relatively this connection handle in 240 degree work equably around arrangement; Or, those first go out vent hole relatively this connection handle in 270 degree work equably around arrangement.