CN103671035A - Noise reduction valve plate and gas pump - Google Patents
Noise reduction valve plate and gas pump Download PDFInfo
- Publication number
- CN103671035A CN103671035A CN201310512134.7A CN201310512134A CN103671035A CN 103671035 A CN103671035 A CN 103671035A CN 201310512134 A CN201310512134 A CN 201310512134A CN 103671035 A CN103671035 A CN 103671035A
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- valve block
- blade
- noise reduction
- reduction valve
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Abstract
The invention discloses a noise reduction valve plate and a gas pump. The valve plate is provided with at least two vanes which can swing in an elastic mode. The valve plate is provided with at least one mounting column. The root portions of the vanes are connected with the mounting column respectively. A plurality of gas grooves for dispersing gas flow are formed at least in the top face of the mounting column. The noise reduction valve plate is arranged on the gas pump. The noise reduction valve plate is used as a gas-out single-way valve of the gas pump and is matched in the gas pump. The structure of the valve plate is improved, gas flow is dispersed into a plurality of small gas flow parts through the gas grooves, so that gas flow speed is lowered, gas flow noise is lowered, and the purpose of gas pump noise lowering is achieved.
Description
Technical field
The present invention relates to air pump field, particularly relate to a kind of noise reduction valve block and air pump.
Background technique
At present, the common employing of air pump of prior art valve block is as shown in Figure 1 as the unidirectional flow distribution apparatus of giving vent to anger, the overall rounded structure of this valve block, its have three can elastics wing blade 1 ＇, and these three blade 1 ＇ are separated by three rib 2 ＇ that radially arrange, and each blade 1 ＇ joins with rib 2 ＇ one respectively along the two ends of circumferential direction.The end face middle part of this valve block also has erection column 3 ＇, and the end face of this erection column 3 ＇ is plane.This valve block is in air pump, it is the air outlet hole that elastics wing is up and down opened or shutoff is corresponding that utilizes its each blade 1 ＇, form unidirectional flow, specifically, each blade 1 ＇ upwards swings under the pressure-acting of air-flow, make in air pump corresponding air outlet hole open, air-flow is by air outlet hole and flow to the outlet pipe of air pump via erection column end face.Because the erection column end face of valve block is plane structure, while causing the erection column end face of airflow passes valve block, its circulation area is larger, air-flow velocity is very fast, thereby produce larger pneumatic noise, this just causes the operation noise of air pump larger, bring noise pollution can to people's life.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, a kind of noise reduction valve block and air pump are provided, it can effectively reduce pneumatic noise, reaches the object that reduces air pump noise.
The technical solution adopted for the present invention to solve the technical problems is: a kind of noise reduction valve block, this valve block have at least two can elastics wing blade, this valve block also has at least one erection column, the root of each blade is connected with erection column respectively; This erection column at least end face is provided with some air drains for diffusing air current.
Further, described each air drain is respectively along the radial direction setting of described erection column, and described at least two blades have respectively at least one air drain and in contrast should.
Further, the two ends of described each air drain difference opening.
Further, between each blade of described valve block, by being the rib radially arranging, separate, the side one of the inner end of rib and erection column is joined; Each blade is respectively equipped with a buffer structure for the end being connected with rib, to the assembling extruding of each blade, provides deformation buffer space.
Further, described buffer structure is the breach of stepping down.
Further, described buffer structure is film.
Further, the quantity of described blade and rib is respectively three, and described each blade is respectively along the circumferential distribution of described valve block.
An air pump, this air pump is provided with noise reduction valve block as above, and this noise reduction valve block is matched with in air pump as the outgassing nonreturn valve of air pump.
Further, described air pump also comprises upper cover, air chamber, at least two breather check valves, the piston with at least two air bags, cylinder, base, linkage mechanism and the motor with outlet pipe and suction tude; Air chamber middle part has one for the receiving cavity of described valve block is installed, and at the bottom of the chamber of this receiving cavity, there are at least two air outlet holes corresponding with each blade of described valve block, described valve block is installed in this receiving cavity by its erection column, and its each blade is attached at respectively corresponding air outlet hole, the upper and lower corresponding matching of upper cover and air chamber, and between air chamber, form air-inlet cavity spaced apart from each other and outlet chamber, air-inlet cavity is connected with the suction tude of upper cover, and outlet chamber is connected with the outlet pipe of upper cover and the receiving cavity of air chamber; The outer border of air chamber is also provided with the inlet hole that at least two groups are connected with air-inlet cavity, and the inlet hole of each group comprises respectively at least one inlet hole; Each breather check valve is installed on air chamber, for unidirectional unlatching or shutoff air chamber, respectively organizes inlet hole; Piston tip, cylinder, base are fixed on air chamber bottom successively, each Air sac cover of piston is loaded in cylinder, linkage mechanism and motor are installed on respectively base, and the live axle of motor is in transmission connection mutually with linkage mechanism, and linkage mechanism becomes socket to coordinate with the balloon-shaped of piston; Each air outlet hole of air chamber and each group inlet hole are corresponding one by one with each air bag of piston respectively.
Further, described linkage mechanism comprises eccentric wheel, draw point and connecting rod rack, and described motor is installed on the bottom of described base, and eccentric wheel is installed in described base, and the live axle of described motor stretches in described base, and with eccentric wheel Joint; Eccentric wheel is connected with connecting rod rack by draw point; Connecting rod rack is provided with at least two through hole, and at least two through hole of this connecting rod rack socket-connects and coordinates with at least two air bags of described piston respectively; Described breather check valve is beveled structure.
The invention has the beneficial effects as follows:
1, because it at least arranges air drain at the end face of the erection column of valve block, while making airflow passes erection column end face, can be dispersed into some little airflows by air drain, airspeed is reduced, thereby reduce pneumatic noise, make air pump reach the object of noise reduction;
2, as a kind of preferred, it makes each air drain distribute along the radial direction of erection column, and make each blade have at least an air drain in contrast should, and the two ends of each air drain are opening respectively, this can well utilize each air drain to carry out water conservancy diversion and shunting to air-flow, further reduce airspeed, thereby further reduce pneumatic noise;
3, each blade due to its valve block is provided with respectively a buffer structure for the outer end being connected with rib, assembling extruding to each blade provides deformation buffer space, make valve block of the present invention in assembling process, when being squeezed and deformation occurs, its blade can utilize buffer structure to discharge its deformation, thereby avoid blade generation arching phenomenon, and guarantee the tightness of air pump;
4, as a kind of preferred, its buffer structure adopts film to realize, and not only can provide deformation buffer space to the assembling extruding of each blade, can also strengthen the intensity of each blade, thereby improve gas pump performance.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But a kind of noise reduction valve block of the present invention and air pump are not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the valve block of prior art;
Fig. 2 is the structural representation of embodiment's one valve block of the present invention;
Fig. 3 is the decomposing schematic representation of embodiment's one air pump of the present invention;
Fig. 4 is the generalized section of embodiment's one air pump of the present invention;
Fig. 5 is the structural representation of embodiment's two valve blocks of the present invention.
Embodiment
Embodiment one:
Shown in Figure 2, a kind of noise reduction valve block of the present invention, this valve block 1 have three can elastics wing blade 11, three be the rib 12 that radially arranges and the erection column 13 of a middle top surface of being located at valve block 1; Three blades 11 of this valve block 1 distribute along circumferential, overall similar round structure, and every two adjacent blades 11 are separated by rib 12 respectively; The root of each blade 11 is connected with erection column 13 one respectively.
The erection column 13 of above-mentioned valve block 1 is similar triangular structure, and the bottom surface of valve block 1 is provided with a mounting hole 16(who leads to its erection column 13 inside as shown in Figure 5).The inner end of each rib 12 of valve block 1 joins with the side one of this erection column 13 respectively.This erection column 13 at least end face to be provided with some air drain 15(" at least " be that say can also be in other positions of erection column 13, for example side arranges air drain), the air drain 15 of concrete these erection column 13 end faces has six (quantity of air drain 15 is not limited to six certainly), different in size, section area is also not quite similar, these six air drains 15 are respectively along the radially direct of erection column 13, specifically wherein three air drains are along the direction setting of three angles of erection column 13, and its excess-three bar air drain is respectively along the direction setting on three limits perpendicular to erection column 13.These six air drains, 15 two ends are opening respectively, and the two ends of these six air drains 15 are not sealed respectively, the air-flow path having formed, and the inner end of each air drain is interconnected respectively.
As a kind of preferred, above-mentioned each blade 11 is provided with respectively a buffer structure for the outer end being connected with rib 12, and here, buffer structure is the breach 14 of stepping down, and for the assembling extruding to each blade 11, provides deformation buffer space.
A kind of air pump of the present invention, this air pump is provided with noise reduction valve block 1 as above, and this valve block 1 is matched with in air pump as the outgassing nonreturn valve of air pump.
Specifically, as shown in Figure 3, Figure 4, above-mentioned air pump also comprises having the upper cover 2, air chamber 4 of outlet pipe 21 and suction tude 22, three breather check valves 3, the piston 5 with three air bags 51, cylinder 6, base 10, linkage mechanism and motors 101, air chamber 4 middle parts have one for the receiving cavity 41 of above-mentioned valve block 1 is installed, and at the bottom of the chamber of this receiving cavity 41, there are three air outlet holes corresponding with each blade 11 of valve block 1, above-mentioned valve block 1 is installed in this receiving cavity 41 and (specifically in the middle part of these receiving cavity 41 bottom surfaces, is provided with an installation shaft, the mounting hole 16 of valve block 1 is pegged graft and is fixed on this installation shaft), and its each blade 11 is attached at respectively corresponding air outlet hole, upper cover 2 and air chamber corresponding matching Shang Xia 4, and between air chamber 4, form air-inlet cavity spaced apart from each other and outlet chamber, air-inlet cavity is connected with the suction tude 22 of upper cover 2, outlet chamber is connected with the outlet pipe 21 of upper cover 2 and the receiving cavity 41 of air chamber 4, the outer border of air chamber 4 be also provided with three groups be connected with air-inlet cavity and the inlet hole corresponding with three air bags 51 of piston (inlet hole of every group at least comprises an inlet hole, in this embodiment, the inlet hole of every group comprises six inlet holes), each breather check valve 3 is beveled structure, and be installed on air chamber 4, for unidirectional unlatching or shutoff air chamber 4, respectively organize inlet hole, piston tip, cylinder 6, base 10 adopt screw to be fixed on air chamber 4 bottoms successively, each air bag 51 of piston 5 is set in cylinder 6, linkage mechanism and motor 101 are installed on respectively base 10, and the live axle of motor 101 is in transmission connection mutually with linkage mechanism, linkage mechanism forms socket with the air bag 51 of piston 5 and coordinates, each air outlet hole of air chamber 4 and each group inlet hole are corresponding with each air bag 51 of piston 5 respectively, and each air outlet hole of air chamber 4 and each group inlet hole, under opening state, are connected with corresponding piston airbag respectively.
Aforementioned link mechanism comprises eccentric wheel 9, draw point 8 and connecting rod rack 7, and said motor 101 is installed on the bottom of base 10, and eccentric wheel 9 is installed in base 10, and the live axle of motor 101 stretches in base 10, and with eccentric wheel 9 Joints; Eccentric wheel 9 is connected with connecting rod rack 7 by draw point 8; Connecting rod rack 7 is provided with three through holes 71, and each through hole 71 of this connecting rod rack 7 socket-connects and coordinates one by one with each air bag 51 of piston 5 respectively.
A kind of air pump of the present invention, install after above-mentioned valve block 1, certain torque and the angular velocity of output after its motor 101 energisings, and drive eccentric wheel 9 to rotate, by draw point 8, connecting rod rack 7, rotatablely moving of eccentric wheel 9 is converted into the straight reciprocating motion of piston 5 again, thereby realize the air-breathing and exhaust action of air pump, make air pump export certain flow and pressure.In the process rotating a circle at eccentric wheel 9, three air bags 51 of piston 5 complete respectively once air-breathing and exhaust action: when the air bag 51 of piston 5 is air-breathing, gas arrives air-inlet cavity from the suction tude 22 of upper cover 2, and make breather check valve 34 that elastic strains occur and open three groups of inlet holes of air chamber 4, gas is entered in the air bag 51 of piston 5, the air bag 51 of piston 5 changes from small to big, and realizes breathing process.During each air bag 51 exhaust of piston 5, each breather check valve 3 resets and three groups of inlet holes of shutoff air chamber 4, gas acts on each blade 11 of valve block 1, each blade 11 that makes valve block 1 is subject to gas pressure-acting to make progress elastic strain and opens each air outlet hole of air chamber 4, gas enters receiving cavity 41, and flows to each air drain 15 of erection column 13 end faces of valve block 1; When gas flow is during through each air drains 15 of erection column 13 end faces of valve block, because the cross sectional area of each air drain 15 is less, and the length of each air drain is different in size, thereby the flow velocity of gas can reduce, and be dispersed into the little airflow of different in flow rate, pneumatic noise is minimized, even if also the noise of air pump is minimized.Finally, each little airflow is discharged from the outlet pipe 21 of upper cover 2, and inputs corresponding Pneumatic actuator.In this process, the air bag 51 of piston 5 from large to small, completes exhaust process.
A kind of air pump of the present invention, it adopts after above-mentioned valve block 1, owing to thering is the breach of stepping down 14 between each blade 11 of this valve block 1 and rib 12, thereby during this valve block 1 assembling, each blade 11 under any circumstance all can not assembled extrusion-deformation, that is after each blade 11 assemblings, arching phenomenon can not occur, each blade 11 still can adhere well to each air outlet hole of air chamber 4, guarantees that the tightness of air pump is unaffected.This is because the breach 14 of stepping down at each blade 11 two ends, for blade 11 provides the Free up Memory (or compared with buffer space) of a distortion, makes blade 11 there is no the possibility of extrusion-deformation.
A kind of air pump of the present invention, its structure is not limited to above-described embodiment, and for example, the number of its piston airbag 51 is not limited to three, that is and, the number of its piston airbag 51 can be also two or four etc.; It is except can adopting other air intake structure from suction tude 22 air inlets of upper cover 2, for example, from the gap air inlet between base 10 and cylinder 6.
Embodiment two:
Shown in Figure 5, a kind of noise reduction valve block of the present invention, itself and embodiment's one difference is: the buffer structure of this valve block 1 is film 15, this film 15 is connected between the circumferential two ends of each blade 11 of valve block 1 and corresponding rib 12.
A kind of noise reduction valve block of the present invention, it adopts film 15 as buffer structure, and except having above-mentioned advantage, being blade 11 provides outside the buffer space of assembling extrusion-deformation, also has another advantage: can strengthen the intensity of each blade 11, improve gas pump performance.
Valve block described in this embodiment two can be applied in air pump equally.
A kind of noise reduction valve block of the present invention, its buffer structure is not limited to above-mentioned two kinds of mode of executions, that is other structure that every effect is identical with buffer structure of the present invention, all falls within the scope of protection of the present invention; The structure of its valve block is not limited to above-described embodiment, and for example, the number of the blade of valve block is not limited to 3, and the shape that each blade of valve block surrounds is also not limited to circle, can be also fan-shaped etc.; The peripheral border of valve block can also connect annular chip architecture (this ring segment structure can further be designed the unidirectional blade of air inlet) by rib; but whether no matter ring segment structure be set; as long as this valve block has above-mentioned blade, rib and buffer structure, all fall within the scope of protection of the present invention.
Above-described embodiment is only used for further illustrating a kind of noise reduction valve block of the present invention and air pump; but the present invention is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all fall in the protection domain of technical solution of the present invention.
Claims (10)
1. a noise reduction valve block, this valve block have at least two can elastics wing blade, this valve block also has at least one erection column, the root of each blade is connected with erection column respectively; It is characterized in that: this erection column at least end face is provided with some air drains for diffusing air current.
2. noise reduction valve block according to claim 1, is characterized in that: described each air drain is respectively along the radial direction setting of described erection column, and described at least two blades have respectively at least one air drain and in contrast should.
3. noise reduction valve block according to claim 1 and 2, is characterized in that: the two ends of described each air drain are opening respectively.
4. noise reduction valve block according to claim 1, is characterized in that: between each blade of described valve block, by being the rib radially arranging, separate, the side one of the inner end of rib and erection column is joined; Each blade is respectively equipped with a buffer structure for the end being connected with rib, to the assembling extruding of each blade, provides deformation buffer space.
5. noise reduction valve block according to claim 4, is characterized in that: described buffer structure is the breach of stepping down.
6. noise reduction valve block according to claim 4, is characterized in that: described buffer structure is film.
7. noise reduction valve block according to claim 4, is characterized in that: the quantity of described blade and rib is respectively three, and described each blade is respectively along the circumferential distribution of described valve block.
8. an air pump, is characterized in that: this air pump is provided with the noise reduction valve block as described in any one in claim 1-7, and this noise reduction valve block is matched with in air pump as the outgassing nonreturn valve of air pump.
9. noise reduction valve block according to claim 8 and air pump, is characterized in that: described air pump also comprises upper cover, air chamber, at least two breather check valves, the piston with at least two air bags, cylinder, base, linkage mechanism and the motor with outlet pipe and suction tude; Air chamber middle part has one for the receiving cavity of described valve block is installed, and at the bottom of the chamber of this receiving cavity, there are at least two air outlet holes corresponding with each blade of described valve block, described valve block is installed in this receiving cavity by its erection column, and its each blade is attached at respectively corresponding air outlet hole, the upper and lower corresponding matching of upper cover and air chamber, and between air chamber, form air-inlet cavity spaced apart from each other and outlet chamber, air-inlet cavity is connected with the suction tude of upper cover, and outlet chamber is connected with the outlet pipe of upper cover and the receiving cavity of air chamber; The outer border of air chamber is also provided with the inlet hole that at least two groups are connected with air-inlet cavity, and the inlet hole of each group comprises respectively at least one inlet hole; Each breather check valve is installed on air chamber, for unidirectional unlatching or shutoff air chamber, respectively organizes inlet hole; Piston tip, cylinder, base are fixed on air chamber bottom successively, each Air sac cover of piston is loaded in cylinder, linkage mechanism and motor are installed on respectively base, and the live axle of motor is in transmission connection mutually with linkage mechanism, and linkage mechanism becomes socket to coordinate with the balloon-shaped of piston; Each air outlet hole of air chamber and each group inlet hole are corresponding one by one with each air bag of piston respectively.
10. air pump according to claim 9, it is characterized in that: described linkage mechanism comprises eccentric wheel, draw point and connecting rod rack, described motor is installed on the bottom of described base, and eccentric wheel is installed in described base, the live axle of described motor stretches in described base, and with eccentric wheel Joint; Eccentric wheel is connected with connecting rod rack by draw point; Connecting rod rack is provided with at least two through hole, and at least two through hole of this connecting rod rack socket-connects and coordinates with at least two air bags of described piston respectively; Described breather check valve is beveled structure.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512134.7A CN103671035B (en) | 2013-10-25 | 2013-10-25 | A kind of noise reduction valve plate and air pump |
| US15/031,909 US10415564B2 (en) | 2013-10-25 | 2014-10-24 | Valve clack and air pump having same |
| JP2015560544A JP6045724B2 (en) | 2013-10-25 | 2014-10-24 | Valve plate and air pump having the same |
| PCT/CN2014/089475 WO2015058717A1 (en) | 2013-10-25 | 2014-10-24 | Valve plate and air pump having same |
| EP14855232.6A EP3093492B1 (en) | 2013-10-25 | 2014-10-24 | Valve clack and air pump having same |
| JP2015560545A JP6053967B2 (en) | 2013-10-25 | 2014-10-27 | Valve plate and air pump having the same |
| US14/775,311 US10267307B2 (en) | 2013-10-25 | 2014-10-27 | Valve clack and air pump having same |
| PCT/CN2014/089585 WO2015058728A1 (en) | 2013-10-25 | 2014-10-27 | Valve plate and air pump provided with same |
| EP14855806.7A EP3061971B1 (en) | 2013-10-25 | 2014-10-27 | Valve plate and air pump provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512134.7A CN103671035B (en) | 2013-10-25 | 2013-10-25 | A kind of noise reduction valve plate and air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671035A true CN103671035A (en) | 2014-03-26 |
| CN103671035B CN103671035B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310512134.7A Active CN103671035B (en) | 2013-10-25 | 2013-10-25 | A kind of noise reduction valve plate and air pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN103671035B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015058728A1 (en) * | 2013-10-25 | 2015-04-30 | 厦门科际精密器材有限公司 | Valve plate and air pump provided with same |
| CN113482885A (en) * | 2021-07-27 | 2021-10-08 | 胡小林 | Valve for piston compressor |
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| CN203627154U (en) * | 2013-10-25 | 2014-06-04 | 厦门科际精密器材有限公司 | Noise reduction valve plate and air pump |
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| US5289847A (en) * | 1992-11-23 | 1994-03-01 | Dresser-Rand Company | Plate-type valve for a pressured-fluid machine, and a valving plate assembly therefor |
| CN202718845U (en) * | 2012-08-10 | 2013-02-06 | 厦门科际精密器材有限公司 | Low vibration micropump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015058728A1 (en) * | 2013-10-25 | 2015-04-30 | 厦门科际精密器材有限公司 | Valve plate and air pump provided with same |
| WO2015058717A1 (en) * | 2013-10-25 | 2015-04-30 | 厦门科际精密器材有限公司 | Valve plate and air pump having same |
| US10267307B2 (en) | 2013-10-25 | 2019-04-23 | Xiamen Koge Micro Tech Co., Ltd. | Valve clack and air pump having same |
| US10415564B2 (en) | 2013-10-25 | 2019-09-17 | Xiamen Koge Micro Tech Co., Ltd. | Valve clack and air pump having same |
| CN113482885A (en) * | 2021-07-27 | 2021-10-08 | 胡小林 | Valve for piston compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103671035B (en) | 2016-09-28 |
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