CN103994048A - Vacuum air extractor - Google Patents
Vacuum air extractor Download PDFInfo
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- CN103994048A CN103994048A CN201410179259.7A CN201410179259A CN103994048A CN 103994048 A CN103994048 A CN 103994048A CN 201410179259 A CN201410179259 A CN 201410179259A CN 103994048 A CN103994048 A CN 103994048A
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- connecting rod
- air
- suction port
- suction device
- vacuum air
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Abstract
The invention provides a vacuum air extractor which is characterized by comprises a first vacuum air extracting device, a second vacuum air extracting device and a driving mechanism, wherein a cam of the driving mechanism is fixedly connected with double cranks, the double cranks are connected with a first connecting rod and a second connecting rod respectively, and the first connecting rod and the second connecting rod are connected with a first piston body of the first vacuum air extracting device and a second piston body of the second vacuum air extracting device respectively. According to the vacuum air extractor, a double-crank and double-connecting-rod mechanism is adopted, the first vacuum air extracting device and the second vacuum air extracting device are driven simultaneously through the first connecting rod and the second connecting rod, so that air suction and exhaust can be achieved by the first vacuum air extracting device and the second vacuum air extracting device respectively, and then air transportation is realized. Through the parallel connection of the first vacuum air extracting device and the second vacuum air extracting device, a large air extraction quantity can be realized. Through the series connection of the first vacuum air extracting device and the second vacuum air extracting device, a large outlet pressure can be generated.
Description
Technical field
The present invention relates to a kind of vacuum suction device.
Background technique
Reciprocating air extractor, as a kind of air transporting arrangement, produces volume-variation by reciprocal telemechanical, can produce higher degree of vacuum in import, complete the pumping action to gas, but its rate of air sucked in required is less, and the pressure that outlet produces is lower.Use the occasion of reciprocating type vacuum air extractor often to need it can be operated under variable operating mode at some, need it to there is large rate of air sucked in required in some operating modes, need it can produce large pressure in outlet in some operating modes, need to design a kind of vacuum suction device that can meet this requirement for addressing this problem.
Summary of the invention
For addressing the above problem, the present invention realizes by the driving mechanism that changes vacuum suction device.
Realize the technological scheme that above-mentioned parallel vacuum air extractor takes as follows:
A kind of vacuum suction device, it is characterized in that, comprise the first vacuum suction device, the second vacuum suction device and driving mechanism, described driving mechanism comprises first connecting rod, live axle, second connecting rod, double-crank, cam, described live axle is connected with power source, cam is arranged on live axle, and described cam is fixedly connected with double-crank, and double-crank is connected with second connecting rod with first connecting rod respectively; The first outlet chamber that described the first vacuum suction device comprises the first air outlet, be connected with the first air outlet, be located at the first air outlet one-way valve between the first air outlet and the first outlet chamber, the first suction port, the first air-inlet cavity being connected with the first suction port, at the first suction port one-way valve between the first suction port and the first air-inlet cavity, first piston body between the first outlet chamber and the first air-inlet cavity, described first piston body is provided with the first cavity unilaterally connected valve, and first piston body is connected with first connecting rod; The second outlet chamber that described the second vacuum suction device comprises the second air outlet, be connected with the second air outlet, the second air outlet one-way valve between the second air outlet and the second outlet chamber, the second suction port, the second air-inlet cavity being connected with the second suction port, at the second suction port one-way valve between the second suction port and the second air-inlet cavity, the second piston body between the second outlet chamber and the second air-inlet cavity, described the second piston body is provided with the second cavity unilaterally connected valve, and described the second piston body is connected with second connecting rod.
Preferably, the angle between two of described double-crank cranks is 90 °～180 °.
Preferably, 180 ° of the angles between two cranks of described double-crank, two crank flat opposeds.
Preferably, the angle between two cranks of described double-crank is greater than 90 ° and while being less than 180 °, V-shaped between two cranks.
Preferably, also comprise the pipeline that is connected to the second suction port for connecting the first suction port with the second suction port or being connected the first air outlet.
Vacuum suction device of the present invention, adopts special driving mechanism, by two independently vacuum suction device couple together.Driving mechanism adopts Double crank double link mechanism, drives the first vacuum suction device, the second vacuum suction device by first connecting rod, second connecting rod simultaneously.Double crank double link mechanism is connected with live axle, live axle is connected with power source, live axle is under the effect of power source, be rotated, by the double connecting rod of double-crank, rotatablely moving of live axle is converted into the to-and-fro motion of first connecting rod, second connecting rod, first connecting rod, second connecting rod drive respectively the first piston body of the first vacuum suction device, the second vacuum suction device, the second piston body to move reciprocatingly, the first vacuum suction device, the second vacuum suction device complete respectively air inlet, exhaust, realize the conveying effect to gas.In the time requiring large rate of air sucked in required, by by the first import of the first vacuum suction device, the second vacuum suction device and the second import, the first outlet and the second export pipeline parallel connection realize the parallel connection of the first vacuum suction device, the second vacuum suction device, produce large rate of air sucked in required; In the time requiring large outlet pressure, the first outlet of the first vacuum suction device is connected to the second import of the second vacuum suction device, by the first vacuum suction device, the second vacuum suction device series connection, produce large outlet pressure with this.
Brief description of the drawings
Fig. 1 is an embodiment's of vacuum suction device of the present invention structural drawing.
Fig. 2 is described driving mechanism one embodiment's plan view.
Fig. 3 is described double-crank the first embodiment's structural drawing;
Fig. 4 is described double-crank the second embodiment's structural drawing.
In figure:
1-the first air outlet, 2-the first air outlet one-way valve, 3-the first outlet chamber, 4-first piston body, 5-the first air-inlet cavity, 6-first connecting rod, 7-live axle, 8-second connecting rod, 9-the second air-inlet cavity, 10-the second piston body, 11-the second outlet chamber, 12-the second air outlet one-way valve, 13-the second air outlet, 14-the first cavity unilaterally connected valve, 15-the first suction port one-way valve, 16-the first suction port, 17-double-crank, 18-cam, 19-the second suction port, 20-the second suction port one-way valve, 21-the second cavity unilaterally connected valve.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Figure 1, vacuum suction device of the present invention, comprises the first vacuum suction device, the second vacuum suction device and driving mechanism.As shown in Figure 2, described driving mechanism comprises first connecting rod 6, live axle 7, second connecting rod 8, double-crank 17, cam 18, described live axle 7 is connected with power source, cam 18 is arranged on live axle 7, described cam 18 is fixedly connected with double-crank 17, double-crank 17 is connected with second connecting rod 8 with first connecting rod 6 respectively, forms double link structure.Power source drives live axle 7 to be rotated, and arranges cam 18 on live axle 7, by cam 18, double-crank 17 and first connecting rod 6 and second connecting rod 8, rotatablely moving of live axle 7 is converted to the to-and-fro motion of first connecting rod 6 and second connecting rod 8.The motion of first connecting rod 6 and second connecting rod 8 has symmetry properties.Between two cranks of described double-crank 17, can adopt certain angle, the angle between two cranks is 90 °～180 °.In the time that angle is 180 °, two cranks adopt flat opposed form, as shown in Figure 3; When angle is greater than 90 ° while being less than 180 °, V-shaped between two cranks, as shown in Figure 4.
As shown in Figure 1, described the first vacuum suction device comprises the first air outlet 1, the first outlet chamber 3 being connected with the first air outlet 1, be located at the first air outlet one-way valve 2 between the first air outlet 1 and the first outlet chamber 3, the first suction port 16, the first air-inlet cavity 5 being connected with the first suction port 16, the first suction port one-way valve 15 between the first suction port 16 and the first air-inlet cavity 5, the first piston body 4 between the first outlet chamber 3 and the first air-inlet cavity 5.Described first piston body 4 is provided with the first cavity unilaterally connected valve 14, and first piston body 4 is connected with first connecting rod 6.Described the second vacuum suction device comprises the second air outlet 13, the second outlet chamber 11 being connected with the second air outlet 13, the second air outlet one-way valve 12 between the second air outlet 13 and the second outlet chamber 11, the second suction port 19, the second air-inlet cavity 9 being connected with the second suction port 19, the second suction port one-way valve 20 between the second suction port 19 and the second air-inlet cavity 9, the second piston body 10 between the second outlet chamber 11 and the second air-inlet cavity 9.Described the second piston body 10 is provided with the second cavity unilaterally connected valve 21, and described the second piston body 10 is connected with second connecting rod 8.
In the time that first connecting rod 6 promotes first piston body 4 the first outlet chamber 3 is compressed, second connecting rod 8 drives the second piston body 10 to compress the second air-inlet cavity 9.Now the first suction port one-way valve 15 is opened, and the first cavity unilaterally connected valve 14 cuts out, and the first air outlet one-way valve 2 is opened, and the gas in the first outlet chamber 3 is discharged from the first air outlet 1, and extraneous gas enters the first air-inlet cavity 5 by the first suction port 16 simultaneously; The second suction port one-way valve 20 is closed, and the second cavity unilaterally connected valve 21 is opened, and the second air outlet one-way valve 12 is closed, and the second air-inlet cavity 9 gases enter the second outlet chamber 11 by the second cavity unilaterally connected valve 21.
In the time that first connecting rod 6 drives first piston body 4 to compress the first air-inlet cavity 5, second connecting rod 8 drives the second piston body 10 to compress the second outlet chamber 11.Now the first suction port one-way valve 15 is closed, and the first cavity unilaterally connected valve 14 is opened, and the first air outlet one-way valve 2 is closed, and the first air-inlet cavity 5 gases enter the first outlet chamber 3 by the first cavity unilaterally connected valve 15; The second suction port one-way valve 20 is opened, and the second cavity unilaterally connected valve 21 cuts out, and the second air outlet one-way valve 12 is opened, and the gas in the second outlet chamber 11 is discharged from the second air outlet 13, and extraneous gas enters the second air-inlet cavity 9 by the second suction port 19 simultaneously.
Live axle 7 rotates a circle, and drives first connecting rod 6 and second connecting rod 8 to move back and forth once simultaneously, and two vacuum suction devices respectively complete an air inlet and exhaust.
For realizing large rate of air sucked in required, the first suction port 16 is in parallel with the second suction port 19, the first air outlet 1 is in parallel with the second air outlet 19, thereby the first vacuum suction device and the second vacuum suction device are together in parallel and produce large rate of air sucked in required.For realizing large outlet pressure, the first air outlet 1 is connected to the second suction port 19, the first suction port 16 is connected with inlet ductwork, the second air outlet 19 is connected with export pipeline, thereby the first vacuum suction device and the second vacuum suction device are together in series and produce large outlet pressure.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned mode of execution; in the situation that not deviating from flesh and blood of the present invention, any apparent improvement, replacement or modification that those skilled in the art can make all belong to protection scope of the present invention.
Claims (5)
1. a vacuum suction device, it is characterized in that, comprise the first vacuum suction device, the second vacuum suction device and driving mechanism, described driving mechanism comprises first connecting rod (6), live axle (7), second connecting rod (8), double-crank (17), cam (18), described live axle (7) is connected with power source, cam (18) is arranged on live axle (7), described cam (18) is fixedly connected with double-crank (17), and double-crank (17) is connected with second connecting rod (8) with first connecting rod (6) respectively, described the first vacuum suction device comprises the first air outlet (1), the first outlet chamber (3) being connected with the first air outlet (1), be located at the first air outlet one-way valve (2) between the first air outlet (1) and the first outlet chamber (3), the first suction port (16), the first air-inlet cavity (5) being connected with the first suction port (16), be positioned at the first suction port one-way valve (15) between the first suction port (16) and the first air-inlet cavity (5), be positioned at the first piston body (4) between the first outlet chamber (3) and the first air-inlet cavity (5), described first piston body (4) is provided with the first cavity unilaterally connected valve (14), first piston body (4) is connected with first connecting rod (6), described the second vacuum suction device comprises the second air outlet (13), the second outlet chamber (11) being connected with the second air outlet (13), be positioned at the second air outlet one-way valve (12) between the second air outlet (13) and the second outlet chamber (11), the second suction port (19), the second air-inlet cavity (9) being connected with the second suction port (19), be positioned at the second suction port one-way valve (20) between the second suction port (19) and the second air-inlet cavity (9), be positioned at the second piston body (10) between the second outlet chamber (11) and the second air-inlet cavity (9), described the second piston body (10) is provided with the second cavity unilaterally connected valve (21), described the second piston body (10) is connected with second connecting rod (8).
2. vacuum suction device according to claim 1, is characterized in that, the angle between two cranks of described double-crank (17) is 90 °～180 °.
3. vacuum suction device according to claim 1, is characterized in that, 180 ° of the angles between two cranks of described double-crank (17), two crank flat opposeds.
4. vacuum suction device according to claim 1, is characterized in that, the angle between two cranks of described double-crank (17) is greater than 90 ° and while being less than 180 °, V-shaped between two cranks.
5. vacuum suction device according to claim 1, it is characterized in that, also comprise the pipeline that is connected to the second suction port (19) for connecting the first suction port (16) with the second suction port (19) or being connected the first air outlet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179259.7A CN103994048A (en) | 2014-04-29 | 2014-04-29 | Vacuum air extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179259.7A CN103994048A (en) | 2014-04-29 | 2014-04-29 | Vacuum air extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103994048A true CN103994048A (en) | 2014-08-20 |
Family
ID=51308329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410179259.7A Pending CN103994048A (en) | 2014-04-29 | 2014-04-29 | Vacuum air extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103994048A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430725A (en) * | 2019-07-23 | 2019-11-08 | 扬州晶胜源机电有限公司 | A kind of electric vehicle controller to prolong the service life |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2944652A1 (en) * | 1979-11-06 | 1981-05-14 | Erich 7990 Friedrichshafen Roser | Motor for driving reciprocating shaft - is positioned coaxial with rotor shaft and driven by oscillating disc and bearing |
| CN2174578Y (en) * | 1993-09-02 | 1994-08-17 | 淄博潜水电泵厂 | Double bellows pump |
| CN2577005Y (en) * | 2002-10-11 | 2003-10-01 | 北京汇知机电设备有限责任公司 | Symmetric balanced metal diaphragm compressor |
| CN2630519Y (en) * | 2003-01-09 | 2004-08-04 | 上海连成（集团）有限公司 | Diaphragm pump |
| CN101801749A (en) * | 2007-09-11 | 2010-08-11 | 大陆-特韦斯贸易合伙股份公司及两合公司 | The electric-motor pump group |
-
2014
- 2014-04-29 CN CN201410179259.7A patent/CN103994048A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2944652A1 (en) * | 1979-11-06 | 1981-05-14 | Erich 7990 Friedrichshafen Roser | Motor for driving reciprocating shaft - is positioned coaxial with rotor shaft and driven by oscillating disc and bearing |
| CN2174578Y (en) * | 1993-09-02 | 1994-08-17 | 淄博潜水电泵厂 | Double bellows pump |
| CN2577005Y (en) * | 2002-10-11 | 2003-10-01 | 北京汇知机电设备有限责任公司 | Symmetric balanced metal diaphragm compressor |
| CN2630519Y (en) * | 2003-01-09 | 2004-08-04 | 上海连成（集团）有限公司 | Diaphragm pump |
| CN101801749A (en) * | 2007-09-11 | 2010-08-11 | 大陆-特韦斯贸易合伙股份公司及两合公司 | The electric-motor pump group |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430725A (en) * | 2019-07-23 | 2019-11-08 | 扬州晶胜源机电有限公司 | A kind of electric vehicle controller to prolong the service life |
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Application publication date: 20140820 |