CN102937089A - Transmission mechanism of diaphragm of mechanical diaphragm metering pump - Google Patents
Transmission mechanism of diaphragm of mechanical diaphragm metering pump Download PDFInfo
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- CN102937089A CN102937089A CN2012104674930A CN201210467493A CN102937089A CN 102937089 A CN102937089 A CN 102937089A CN 2012104674930 A CN2012104674930 A CN 2012104674930A CN 201210467493 A CN201210467493 A CN 201210467493A CN 102937089 A CN102937089 A CN 102937089A
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- diaphragm
- eccentric bushing
- metering pump
- connecting rod
- bearing
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Abstract
The invention relates to a mechanical diaphragm metering pump, in particular to a transmission mechanism of a diaphragm of a mechanical diaphragm metering pump. The transmission mechanism is characterized in that a pinion is arranged on an output shaft of a motor in an interference manner, and is connected with a gear wheel by a synchronous belt, and the gear wheel is arranged on the top of a base; a hinge pin is arranged on the top of the base, an eccentric sleeve is fittingly arranged on the hinge pin, and the gear wheel is in interference fit with the eccentric sleeve; and a bearing is arranged on the eccentric sleeve and positioned on one side of the gear wheel, a connecting rod is arranged at the outer edge of the bearing in an interference manner, the diaphragm is arranged at a free end of the connecting rod, and the gear wheel drives the connecting rod to move via the eccentric sleeve. The end of the eccentric sleeve connected with the gear wheel is of a concentric structure, so that transmission of the gear wheel is facilitated; and the end of the eccentric sleeve connected with the connecting rod is of an eccentric structure, so that the connecting rod can be driven to reciprocate when the eccentric sleeve moves. Besides, a structure for converting rotational movement into linear movement is quite simple, so that production, assembly and maintenance costs are greatly reduced, and the mechanical diaphragm metering pump is high in competitive strength in markets.
Description
Technical field
The present invention relates to a kind of mechanically actuated diaphragm metering pump, be specially a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism.
Background technique
As everyone knows, in mechanically actuated diaphragm metering pump, nearly all can use rotatablely moving of motor is transformed into to linear reciprocating motion by a switching mechanism.At present domestic manufacturer substantially all adopts the cam link technology, and due to the existence of processing or build-up tolerance, no matter how accurate you adopt process equipment and superb assembling level how, all can there be with desirable benchmark certain deviation in it.The at present domestic scheme generally adopted is, at connecting rod and diaphragm connection part, one crosshead automatic guide centering body is set, and solves cam radial center and diaphragm center automatic centering problem.Such device is very ripe, almost becomes classical scheme, and nearly all Machine Design book has independent introduction.But it exists a lot of shortcomings really: 1, the crosshead mechanism machining accuracy of centering requires very high, otherwise can cause vibration accelerated wear test, material hardness and the toughness adopted is had to high requirement simultaneously, need to adopt quenching with Subsequent tempering, inevitable like this its cost that makes is very high; 2. assembling has high requirements, and requires like this assembly crewman's technology and experience aspect that high requirement is arranged; 3, maintenance cost is very high, once this mechanism wear is scrapped, many repair companies adopt direct replacing to renew basically.And this cover mechanism generally is used on hard material, for example air compressor all generally adopts time mechanical mechanism.Because the diaphragm material of Machinery Diaphragm Pump is flexible material, domestic manufacturer all can substitute crosshead mechanism centering scheme in the urgent need to a set of, to reduce, produces, the cost of assembling and maintenance.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of technological scheme of mechanically actuated diaphragm metering pump diaphragm driving mechanism.
Described a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism, comprise the pump head, diaphragm, connecting rod, base and the motor that cooperatively interact, it is characterized in that on the output shaft of described motor, interference arranges small gear, small gear is connected with the gearwheel of base top by Timing Belt; Be provided with bearing pin in base top, be equipped with eccentric bushing on bearing pin, described gearwheel and eccentric bushing interference fit; Be provided with bearing on the eccentric bushing of gearwheel one side, on the bearing outer rim, interference arranges connecting rod, and the connecting rod free end arranges diaphragm, and gearwheel is by the motion of eccentric bushing drivening rod.
Described a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism, is characterized in that described eccentric bushing right-hand member is set to concentric structure, and the eccentric bushing left end is set to eccentric structure, and gearwheel is arranged on the eccentric bushing right-hand member, and bearing is arranged on the eccentric bushing left end.
Described a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism, is characterized in that described eccentric bushing is rotatably assorted by needle bearing and the bearing pin that is arranged on base top.
Described a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism, is characterized in that described eccentric bushing both sides all arrange needle bearing.
Described a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism, is characterized in that described bearing pin two ends are bolted on base.
Described a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism, is characterized in that described motor is fixed by screws in base one side.
The present invention is according to the characteristics of mechanical diaphragm pump diaphragm flexibility, cancelled crosshead automatic guide centering body in prior art, and adopt mechanical eccentric bushing structure to realize rotatablely moving straight-line conversion, be about to eccentric bushing and gearwheel connecting end and be set to concentric structure, facilitate the gearwheel transmission, eccentric bushing and connecting rod connecting end are set to eccentric structure, while making the eccentric bushing motion, can make connecting rod move reciprocatingly; This straight-line transformational structure that rotatablely moves is very simple, greatly reduces the cost of production, assembling and maintenance, makes mechanically actuated diaphragm metering pump that larger competitive advantage be arranged on market.
The accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention;
In figure: 1-connecting rod, 2-gearwheel, 3-Timing Belt, 4-eccentric bushing, 5-bearing, 6-bearing pin, 7-bolt, 8-base, 9-motor, 10-small gear, 11-needle bearing, 12-diaphragm, 13-pump head.
Embodiment
Below in conjunction with Figure of description, the present invention will be further described:
A kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism, comprise the pump head 13, diaphragm 12, connecting rod 1, base 8 and the motor 9 that cooperatively interact, diaphragm 12 is isolated into a closed chamber by pump head 13, motor 9 is fixed by screws in base 8 one sides, on the output shaft of motor 9, interference arranges small gear 10, and small gear 10 is connected with the gearwheel 2 at base 8 tops by Timing Belt 3; Base 8 tops are provided with bearing pin 6, and bearing pin 6 two ends are fixed on base 8 by bolt 7, are equipped with eccentric bushing 4 on bearing pin 6, and eccentric bushing 4 both sides all are rotatably assorted by needle bearing 11 and the bearing pin 6 that is arranged on base top; Eccentric bushing 4 right-hand members are set to concentric structure, eccentric bushing 4 left ends are set to eccentric structure, gearwheel 2 interference are arranged on eccentric bushing 4 right-hand members, eccentric bushing 4 left ends arrange bearing 5, on bearing 5 outer rims, interference arranges connecting rod 1, connecting rod 1 free end is spirally connected diaphragm 12 is set, and gearwheel 2 is by eccentric bushing 4 drivening rod 1 motions like this.
Working procedure: machine operation, drive pinion rotation, owing to being provided with Timing Belt, motor will drive gearwheel and eccentric bushing rotates, because the eccentric bushing right-hand member is concentric structure, and can be with the gearwheel uniform rotation, and the eccentric bushing left end is eccentric structure, eccentric bushing will drivening rod after rotating be done the to-and-fro motion of vertical direction like this, makes diaphragm do upper and lower flexing motion, thereby drives the pump head pumping liquid.
Because diaphragm self is flexible structure, when eccentric bushing rotates to Huo Zui rear, forefront, in rational extent of the error, can rely on the flexing of self doing of diaphragm to move, so this structure can replace traditional crosshead automatic guide centering body.
Claims (6)
1. a mechanically actuated diaphragm metering pump diaphragm driving mechanism, comprise the pump head, diaphragm, connecting rod, base and the motor that cooperatively interact, it is characterized in that on the output shaft of described motor, interference arranges small gear, and small gear is connected with the gearwheel of base top by Timing Belt; Be provided with bearing pin in base top, be equipped with eccentric bushing on bearing pin, described gearwheel and eccentric bushing interference fit; Be provided with bearing on the eccentric bushing of gearwheel one side, on the bearing outer rim, interference arranges connecting rod, and the connecting rod free end arranges diaphragm, and gearwheel is by the motion of eccentric bushing drivening rod.
2. a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism according to claim 1, it is characterized in that described eccentric bushing right-hand member is set to concentric structure, the eccentric bushing left end is set to eccentric structure, and gearwheel is arranged on the eccentric bushing right-hand member, and bearing is arranged on the eccentric bushing left end.
3. a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism according to claim 1 and 2, is characterized in that described eccentric bushing is rotatably assorted by needle bearing and the bearing pin that is arranged on base top.
4. a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism according to claim 1 and 2, is characterized in that described eccentric bushing both sides all arrange needle bearing.
5. a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism according to claim 1, is characterized in that described bearing pin two ends are bolted on base.
6. a kind of mechanically actuated diaphragm metering pump diaphragm driving mechanism according to claim 1, is characterized in that described motor is fixed by screws in base one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210467493.0A CN102937089B (en) | 2012-11-19 | 2012-11-19 | A kind of mechanically actuated diaphragm metering pump transmission mechanism of diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210467493.0A CN102937089B (en) | 2012-11-19 | 2012-11-19 | A kind of mechanically actuated diaphragm metering pump transmission mechanism of diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102937089A true CN102937089A (en) | 2013-02-20 |
| CN102937089B CN102937089B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210467493.0A Active CN102937089B (en) | 2012-11-19 | 2012-11-19 | A kind of mechanically actuated diaphragm metering pump transmission mechanism of diaphragm |
Country Status (1)
| Country | Link |
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| CN (1) | CN102937089B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62184179U (en) * | 1986-05-16 | 1987-11-21 | ||
| JPH04224287A (en) * | 1990-03-29 | 1992-08-13 | Milton Roy Dosapro | Actuator for driving reciprocating motion pump |
| CN2294343Y (en) * | 1996-07-10 | 1998-10-14 | 玛克·曼塞尔 | Diaphragm pump |
| JPH11190326A (en) * | 1997-12-25 | 1999-07-13 | Tm Japan:Kk | Variable crank stroke mechanism |
| CN202065142U (en) * | 2011-04-12 | 2011-12-07 | 姜渝 | Synchronous belt drive reciprocating actuating device of reciprocating type metering pump |
| CN202391669U (en) * | 2011-12-07 | 2012-08-22 | 江苏东俪动力机械制造有限公司 | Single-cylinder water pump transmission system |
| CN202954959U (en) * | 2012-11-19 | 2013-05-29 | 浙江爱力浦泵业有限公司 | Transmission mechanism of diaphragm of mechanical diaphragm metering pump |
-
2012
- 2012-11-19 CN CN201210467493.0A patent/CN102937089B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62184179U (en) * | 1986-05-16 | 1987-11-21 | ||
| JPH04224287A (en) * | 1990-03-29 | 1992-08-13 | Milton Roy Dosapro | Actuator for driving reciprocating motion pump |
| CN2294343Y (en) * | 1996-07-10 | 1998-10-14 | 玛克·曼塞尔 | Diaphragm pump |
| JPH11190326A (en) * | 1997-12-25 | 1999-07-13 | Tm Japan:Kk | Variable crank stroke mechanism |
| CN202065142U (en) * | 2011-04-12 | 2011-12-07 | 姜渝 | Synchronous belt drive reciprocating actuating device of reciprocating type metering pump |
| CN202391669U (en) * | 2011-12-07 | 2012-08-22 | 江苏东俪动力机械制造有限公司 | Single-cylinder water pump transmission system |
| CN202954959U (en) * | 2012-11-19 | 2013-05-29 | 浙江爱力浦泵业有限公司 | Transmission mechanism of diaphragm of mechanical diaphragm metering pump |
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| Publication number | Publication date |
|---|---|
| CN102937089B (en) | 2016-01-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 317100, No. 2 Jin Yuan Road, Binhai New Town, sea town, three counties, Taizhou, Zhejiang Patentee after: ZHEJIANG AILIPU TECHNOLOGY Co.,Ltd. Address before: 317199, No. 2, South Road, Binhai New Town, three counties, Taizhou, Zhejiang Patentee before: Zhejiang Ailipu Pump Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Diaphragm transmission mechanism of mechanical diaphragm metering pump Effective date of registration: 20210915 Granted publication date: 20160120 Pledgee: China Construction Bank Corporation Sanmen sub branch Pledgor: ZHEJIANG AILIPU TECHNOLOGY Co.,Ltd. Registration number: Y2021330001605 |