CN2212669Y - Eccentric peristaltic pump - Google Patents
Eccentric peristaltic pump Download PDFInfo
- Publication number
- CN2212669Y CN2212669Y CN 94239931 CN94239931U CN2212669Y CN 2212669 Y CN2212669 Y CN 2212669Y CN 94239931 CN94239931 CN 94239931 CN 94239931 U CN94239931 U CN 94239931U CN 2212669 Y CN2212669 Y CN 2212669Y
- Authority
- CN
- China
- Prior art keywords
- way valve
- eccentric wheel
- connecting rod
- eccentric
- slide block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to an eccentric peristaltic pump, which is composed of a rubber tube, a one-way valve, an eccentric wheel, a slide block, a connecting rod, a compression rod, etc. The eccentric wheel is fixed axially; the slide block is installed in the straight slot of the eccentric wheel and is hinged with the connecting rod; the connecting rod is also hinged with the compression rod; the both ends of the rubber tube are provided with the one-way valve respectively. When the utility model is used, the eccentric wheel is started to do rotary motion, the up and down reciprocating movement of the compression rod is driven by the slide block and the connecting rod, the compression rod moves down, and the liquid in the pipe discharges outward through a one-way valve; the compression rod moves up, the rubber tube returns to the original position, the inner-outer differential pressure of the pipe makes the liquid flow into the pipe from a container and pass through the other one-way valve. The structure is used for intermittent filling production procedures; the filling volume can be adjusted by adjusting the eccentric distance of the eccentric wheel.
Description
The utility model relates to a kind of peristaltic pump, particularly the eccentric peristaltic pump.
At present, rotary peristaltic pump commonly used, by center fixation weighing lever, two wheels, rubber pipe, one-way valves are formed, two wheels are contained in the two ends to weighing lever respectively, and rubber pipe is a semicircle, and is placed in the two-wheeled outer rim.During work, start weighing lever is rotated, wheel extruding rubber pipe forms pressure reduction in the liquid in pipe pressurized, one section pipe after being extruded, liquid is sucked from rubber pipe one side through one-way valve from container, exports through one-way valve from opposite side then, to realize continuous transfusion.Above-mentioned peristaltic pump is not suitable for intermittently can production process, and can't regulate the can amount.In addition, because rubber pipe is subjected to the extruding that stretches, very easily produce fatigue damage, working life is shorter.
The purpose of this utility model provides a kind of eccentric peristaltic pump, and it not only can realize intermittently can production, and can regulate can amount, in addition, and its simple in structure, long service life.
For achieving the above object, the utility model comprises rubber pipe, one-way valve, also comprises eccentric wheel, slide block, connecting rod, depression bar, guide groove, the eccentric wheel axial restraint, slide block is contained in the eccentric straight trough, and and rod hinge connection, connecting rod is hinged with depression bar again, depression bar is the T font, its straight-bar partly can be done upper and lower moving along guide groove, and its cross bar partly contacts with rubber pipe, and rubber tube terminal respectively is equipped with one-way valve, wherein an one-way valve communicates with liquid-container, and another one-way valve is made delivery outlet.During use, start eccentric wheel and rotate, drive depression bar and move back and forth up and down by slide block, connecting rod, depression bar moves down, and liquid in pipe is outwards exported through an one-way valve; Move on the depression bar, rubber pipe is replied, and the pipe inside and outside differential pressure makes liquid flow into through another one-way valve from container.So circulation is to realize intermittent type output.Change eccentric throw of eccentric, the can regulate output quantity.
The utility model adopts combined modes such as rubber pipe, one-way valve and eccentric wheel, slide block, connecting rod, can be used for intermittently can production process; By regulating eccentric throw of eccentric, can regulate can amount again; In addition, it is simple in structure, and working life is longer.
Provide embodiment of the present utility model below, and be described further in conjunction with the accompanying drawings:
Fig. 1 is a schematic representation of the present utility model.
By shown in Figure 1, eccentric wheel (7) axial restraint, slide block (6) is contained in the straight trough of eccentric wheel (7), and hinged with connecting rod (5), connecting rod (5) is hinged with depression bar (4) again, depression bar (4) is the T font, and its straight-bar partly can be done upper and lower moving along guide groove (3), and its cross bar partly contacts with rubber pipe (2), rubber pipe (2) one ends are equipped with one-way valve (1), it communicates with liquid-container, and the other end of rubber pipe (2) is equipped with one-way valve (8), makes delivery outlet.During use, start eccentric wheel (7) and rotate, drive depression bar (4) and move back and forth up and down by slide block (6), connecting rod (5), depression bar (4) moves down, and liquid in pipe is through outwards output of one-way valve (8); Depression bar moves on (4), and rubber pipe (2) is replied, and the pipe inside and outside differential pressure makes liquid flow into through one-way valve (1) from container.Regulate the throw of eccentric of eccentric wheel (7), can change the stroke of depression bar (4), thereby realize the adjusting of output quantity.
Claims (1)
1, a kind of eccentric peristaltic pump, it comprises rubber pipe (2), one-way valve (1), (8), one-way valve (1) respectively is equipped with at rubber pipe (2) two ends, (8), it is characterized in that: also comprise eccentric wheel (7), slide block (6), connecting rod (5), depression bar (4), guide groove (3), eccentric wheel (7) axial restraint, slide block (6) is contained in the straight trough of eccentric wheel (7), and it is hinged with connecting rod (5), connecting rod (5) is hinged with depression bar (4) again, depression bar (4) is the T font, its straight-bar partly can be along on guide groove (3) work, move down, its cross bar partly contacts with rubber pipe (2), and rubber pipe (2) one ends are equipped with one-way valve (1), and it communicates with liquid-container, the other end of rubber pipe (2) is equipped with one-way valve (8), makes delivery outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94239931 CN2212669Y (en) | 1994-12-29 | 1994-12-29 | Eccentric peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94239931 CN2212669Y (en) | 1994-12-29 | 1994-12-29 | Eccentric peristaltic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2212669Y true CN2212669Y (en) | 1995-11-15 |
Family
ID=33847038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94239931 Expired - Fee Related CN2212669Y (en) | 1994-12-29 | 1994-12-29 | Eccentric peristaltic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2212669Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889891A (en) * | 2015-06-17 | 2015-09-09 | 沈阳大学 | Variable stroke mechanism of metallographic polishing solution automatic feeding machine |
-
1994
- 1994-12-29 CN CN 94239931 patent/CN2212669Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889891A (en) * | 2015-06-17 | 2015-09-09 | 沈阳大学 | Variable stroke mechanism of metallographic polishing solution automatic feeding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |