CN105402110A - Hygiene-grade peristaltic pump - Google Patents
Hygiene-grade peristaltic pump Download PDFInfo
- Publication number
- CN105402110A CN105402110A CN201510982288.1A CN201510982288A CN105402110A CN 105402110 A CN105402110 A CN 105402110A CN 201510982288 A CN201510982288 A CN 201510982288A CN 105402110 A CN105402110 A CN 105402110A
- Authority
- CN
- China
- Prior art keywords
- screw
- axle
- wheel carrier
- eccentric shaft
- flange
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
- F04B43/1269—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing the rotary axes of the rollers lying in a plane perpendicular to the rotary axis of the driving motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
- F04B43/1261—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing the rollers being placed at the outside of the tubular flexible member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
- F04B43/1276—Means for pushing the rollers against the tubular flexible member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
Abstract
The invention discloses a hygiene-grade peristaltic pump which comprises a housing, wherein a liquid inlet and a liquid outlet are formed in the housing; the liquid inlet is communicated with the liquid outlet through a connecting hose arranged in the housing; the connecting hose is provided with an arc stress section; a driving shaft is rotationally mounted on the housing, and is connected with a motor in a transmission manner; a wheel stand positioned in the housing is mounted on the driving shaft; at least two pressing wheels are rotationally mounted on the wheel stand, and are in extrusion fit with the arc stress section of the connecting hose; and a pressure adjustment mechanism is arranged between the pressing wheels and the wheel stand. According to the peristaltic pump, the pressure between the pressing wheels and the connecting hose can be effectively adjusted, so that the peristaltic pump can run in an optimal state for a long time, and the output efficiency of the peristaltic pump is more stable.
Description
Technical field
The present invention relates to a kind of peristaltic pump, refer to a kind of peristaltic pump in the conveying of beverage, beer or medicine especially.
Background technique
Current domestic and international various pinch roller extruding type peristaltic pump, utilize pinch roller by certain movement direction rolling extrusion elastic hose cavity, because flexible pipe Wall deformation produces the change of volume, by fluid expulsion, the fluid of formation negative pressure again outside suction pump when cavity restores to the original state.This peristaltic pump there are certain requirements the diameter of elastic hose and wall thickness, if the wall thickness of elastic hose is too thick or too thin, peristaltic pump just cannot normally work, pinch roller acts on the pressure of elastic hose can not too greatly can not be too little, the operation difficulty of too large pinch roller, and too little extruding force is inadequate, the output of fluid is inadequate, time special after Long-Time Service, the pressure of pinch roller and elastic hose can find to change, and the delivery efficiency of peristaltic pump can be caused to decline.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of pump having peristaltic action, and this peristaltic pump effectively can regulate the pressure between pinch roller and connecting hose, thus makes peristaltic pump long-time running under the situation of the best, and the delivery efficiency of peristaltic pump is more stable.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of pump having peristaltic action, comprise housing, housing is provided with liquid entering hole and liquid outlet, liquid entering hole is communicated with by the connecting hose be arranged in housing with liquid outlet, described connecting hose has stressed section of one section of circular arc, described housing is rotatablely equipped with live axle, this live axle is connected with motor-driven, described live axle is provided with the wheel carrier being positioned at housing, described wheel carrier is rotatablely equipped with at least two pinch rollers, described pinch roller extrudes with stressed section of the circular arc of connecting hose and coordinates, pressure regulating mechanism is provided with between described pinch roller and wheel carrier.
As the preferred scheme of one, described pressure regulating mechanism comprises the eccentric shaft be installed on wheel carrier, and this eccentric shaft is installed on wheel carrier, and described pinch roller is installed on eccentric shaft, is provided with regulation structure between described eccentric shaft and wheel carrier.
As the preferred scheme of one, described regulation structure comprises screw on the axle that is arranged on eccentric shaft, described wheel carrier is provided with several upper screws, and on described axle, on screw and frame, screw is cooperatively interacted and fixed by screw.
As the preferred scheme of one, described eccentric shaft comprises connected axle body and shaft flange, the circle dislocation of described axle body and shaft flange, screw circle distribution centered by the center of circle of shaft flange on described axle, on described frame screw circle distribution on wheel carrier and distribution center overlap with the center of circle of shaft flange.
As the preferred scheme of one, on axle, the quantity of screw is more than the quantity of screw on the frame of correspondence, the central angle that on adjacent axle, screw is corresponding is less than central angle corresponding to screw in adjacent frame, and on any one frame, screw has and only has screw on an axle to coordinate with its position alignment.
As the preferred scheme of one, on the shaft flange of described eccentric shaft, the minimum or maximum position of the radial distance of distance axis body is provided with minimum pressure and demarcates breach or maximum pressure demarcates breach.
As the preferred scheme of one, described wheel carrier comprises the fixing frame be fixed on live axle and the regulating flange be fixed on fixing frame, the installing space facilitating pinch roller to install is provided with between fixing frame and regulating flange, on described frame, screw is arranged on regulating flange, described eccentric shaft to be arranged between regulating flange and fixing frame and to pass through screw fastening.
As the preferred scheme of one, described regulating flange comprises central connecting part and is positioned at link arm outside central connecting part, and described central connecting part and fixing frame screw are fixed, and described eccentric shaft is installed on link arm and shaft flange is connected arm section covering.
As the preferred scheme of one, described housing is provided with the convenient viewing window observed.
After have employed technique scheme, effect of the present invention is: owing to described live axle being provided with the wheel carrier being positioned at housing, described wheel carrier is rotatablely equipped with at least two pinch rollers, described pinch roller extrudes with stressed section of the circular arc of connecting hose and coordinates, pressure regulating mechanism is provided with between described pinch roller and wheel carrier, utilize pressure to regulate and pinch roller can be regulated to act on extruding force in connecting hose, thus the pinch roller of peristaltic pump is run under optimum pressure state, guarantee that the delivery efficiency of peristaltic pump is stablized.
Again because described pressure regulating mechanism comprises the eccentric shaft be installed on wheel carrier, this eccentric shaft is installed on wheel carrier, and described pinch roller is installed on eccentric shaft, is provided with regulation structure between described eccentric shaft and wheel carrier.Described regulation structure comprises screw on the axle that is arranged on eccentric shaft, described wheel carrier is provided with several upper screws, on described axle, on screw and frame, screw is cooperatively interacted and is fixed by screw, this pressure regulating mechanism structure is simple, only need be compressed the pressure of connecting hose with regard to adjustable pinch wheel by eccentric adjustment axle, easy to adjust, component are few, and the operation of peristaltic pump is more stable.
Again because the quantity of screw on axle is more than the quantity of screw on the frame of correspondence, the central angle that on adjacent axle, screw is corresponding is less than central angle corresponding to screw in adjacent frame, on any one frame, screw has and only has screw on an axle to coordinate with its position alignment, such convenience is demarcated pressure, on each frame, a screw all only corresponding force value, so just convenient when actual adjustment.
Demarcate breach because the radial distance minimum position of distance axis body on the shaft flange of described eccentric shaft is provided with minimum pressure again, this minimum pressure demarcates breach can as the initial position of adjustment, and more convenient pressure regulates.
Again because described regulating flange comprises central connecting part and be positioned at the link arm outside central connecting part, described central connecting part and fixing frame screw are fixed, described eccentric shaft is installed on link arm and shaft flange is connected arm section covers, eccentric shaft has part to expose, as long as so take off the screw between shaft flange and regulating flange, then unclamp the screw of fixed eccentric shaft, stir eccentric shaft and adjustable pressure, without the need to whole regulating flange is taken off, regulate convenient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the three-dimensional structure diagram of the embodiment of the present invention;
Fig. 2 is the front schematic view after eliminating outer end cap;
Fig. 3 is the installation sectional view of pinch roller;
Fig. 4 is the end view of eccentric shaft;
In accompanying drawing: 1. housing; 2. motor; 3. viewing window; 4. support; 5. liquid outlet; 6. liquid entering hole; 7. live axle; 8. regulating flange; 9. eccentric shaft; 91. shaft flanges; 92. axle bodies; 10. pinch roller; 11. fluid straightways; Stressed section of 12. circular arcs; 13. feed liquor straightways; Screw on 14. axles; Screw on 15. framves; 16. fixing frames.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figures 1 to 4, a kind of pump having peristaltic action, comprise housing 1, the bottom of housing 1 is provided with support 4, this housing 1 has a demountable outer end cap, outer end cap is provided with transparent viewing window 3, housing 1 is provided with liquid entering hole 6 and liquid outlet 5, liquid entering hole 6 is communicated with by the connecting hose be arranged in housing 1 with liquid outlet 5, liquid entering hole 6 is arranged on below, liquid outlet 5 is arranged on top, described connecting hose comprises feed liquor straightway 13, stressed section 12, circular arc and fluid straightway 11, described housing 1 is rotatablely equipped with live axle 7, this live axle 7 is in transmission connection with motor 2, described live axle 7 is provided with the wheel carrier being positioned at housing 1, described wheel carrier is rotatablely equipped with at least two pinch rollers 10, described pinch roller 10 extrudes for stressed section 12 with the circular arc of connecting hose and coordinates, pressure regulating mechanism is provided with between described pinch roller 10 and wheel carrier.
Wherein according to the size of housing 1, the quantity of its pinch roller 10 can be done and adapt to adjustment.In the present embodiment, the quantity of pinch roller 10 is two and is arranged symmetrically with.
As shown in Figure 3, described pressure regulating mechanism comprises the eccentric shaft 9 be installed on wheel carrier, and this eccentric shaft 9 is installed on wheel carrier, and described pinch roller 10 is installed on eccentric shaft 9, is provided with regulation structure between described eccentric shaft 9 and wheel carrier.Described regulation structure comprises screw 14 on the axle that is arranged on eccentric shaft 9, described wheel carrier is provided with several upper screws 15, and on described axle, on screw 14 and frame, screw 15 is cooperatively interacted and fixed by screw.Described eccentric shaft 9 comprises connected axle body 92 and shaft flange 91, the circle dislocation of described axle body 92 and shaft flange 91, screw 14 circle distribution centered by the center of circle of shaft flange 91 on described axle, on described frame screw 15 circle distribution on wheel carrier and distribution center overlap with the center of circle of shaft flange 91.On axle, the quantity of screw 14 is more than the quantity of screw 15 on the frame of correspondence, and on adjacent axle, the central angle of screw 14 correspondence is less than the central angle of screw 15 correspondence in adjacent frame, and on any one frame, screw 15 has and only has screw 14 on an axle to coordinate with its position alignment.On the shaft flange 91 of described eccentric shaft 9, the radial distance minimum position of distance axis body 92 is provided with minimum pressure and demarcates breach, certain shaft flange 91 also can arrange maximum pressure at the radial distance maximum position of distance axis body 92 and demarcate breach.
As shown in Figure 3, described wheel carrier comprises the fixing frame 16 be fixed on live axle 7 and the regulating flange 8 be fixed on fixing frame 16, this fixing frame 16 comprises a sleeve and a flanged plate, this sleeve set is on live axle 7 and be welded and fixed with live axle 7, flanged plate is welded on sleeve, the installing space facilitating pinch roller 10 to install is provided with between fixing frame 16 and regulating flange 8, on described frame, screw 15 is arranged on regulating flange 8, described eccentric shaft 9 to be arranged between regulating flange 8 and fixing frame 16 and by screw fastening, the center of shaft flange 91 crossed by this screw.
As shown in Figure 2, described regulating flange 8 comprises central connecting part and is positioned at link arm outside central connecting part, and described central connecting part and fixing frame 16 screw are fixed, and described eccentric shaft 9 is installed on link arm and shaft flange 91 is connected arm section covering.
Working procedure of the present invention is: motor 2 drives live axle 7 to rotate, under general peristaltic pump is all used in the less environment of output quantity, therefore, the rotational speed of live axle 7 is not high, live axle 7 rotarily drives wheel carrier and rotates, wheel carrier rotates and pinch roller 10 will be driven around live axle 7 center rotating, and pinch roller 10 also can around eccentric shaft 9 rotation simultaneously, and pinch roller 10 compresses connecting hose forces the liquid in connecting hose to flow out.And when pressure adjustment, open outer end cap, first the screw between shaft flange 91 and regulating flange 8 is unclamped, then unclamp the screw on axle body 92, eccentric rotation axis 9 makes screw 14 and screw 15 on corresponding frame on the axle of required pressure, then be screwed into screw and by the screw-driving on axle body 92, this completes the adjustment of pressure, whole process is simple and convenient, component are taken apart without the need to too much, meanwhile, in peristaltic pump, ground structure is simple, and working stability is reliable.
The above embodiment is only the description to the preferred embodiment of the present invention; not as limiting the scope of the invention; design on the basis of spirit not departing from the present invention; the various distortion make technical solution of the present invention and transformation, all should fall in protection domain that claims of the present invention determine.
Claims (9)
1. a pump having peristaltic action, comprise housing (1), housing (1) is provided with liquid entering hole (6) and liquid outlet (5), liquid entering hole (6) is communicated with by the connecting hose be arranged in housing (1) with liquid outlet (5), described connecting hose has stressed section of one section of circular arc (12), described housing (1) is rotatablely equipped with live axle (7), this live axle (7) and motor (2) are in transmission connection, it is characterized in that: (7) are provided with the wheel carrier being positioned at housing (1) to described live axle, described wheel carrier is rotatablely equipped with at least two pinch rollers (10), described pinch roller (10) and the circular arc of connecting hose stressed section (12) extrude and coordinate, pressure regulating mechanism is provided with between described pinch roller (10) and wheel carrier.
2. a kind of pump having peristaltic action as claimed in claim 1, it is characterized in that: described pressure regulating mechanism comprises the eccentric shaft (9) be installed on wheel carrier, this eccentric shaft (9) is installed on wheel carrier, described pinch roller (10) is installed on eccentric shaft (9), is provided with regulation structure between described eccentric shaft (9) and wheel carrier.
3. a kind of pump having peristaltic action as claimed in claim 2, it is characterized in that: described regulation structure comprises screw (14) on the axle that is arranged on eccentric shaft (9), described wheel carrier is provided with several upper screws (15), on described axle, on screw (14) and frame, screw (15) is cooperatively interacted and is fixed by screw.
4. a kind of pump having peristaltic action as claimed in claim 3, it is characterized in that: described eccentric shaft (9) comprises connected axle body (92) and shaft flange (91), the circle dislocation of described axle body (92) and shaft flange (91), screw (14) circle distribution centered by the center of circle of shaft flange (91) on described axle, on described frame screw (15) circle distribution on wheel carrier and distribution center overlap with the center of circle of shaft flange (91).
5. a kind of pump having peristaltic action as claimed in claim 4, it is characterized in that: on axle, the quantity of screw (14) is more than the quantity of screw (15) on the frame of correspondence, the central angle that on adjacent axle, screw (14) is corresponding is less than central angle corresponding to screw in adjacent frame (15), and on any one frame, screw (15) has and only has screw (14) on an axle to coordinate with its position alignment.
6. a kind of pump having peristaltic action as claimed in claim 5, is characterized in that: the radial distance of the upper distance axis body (92) of shaft flange (91) of described eccentric shaft (9) is minimum or maximum position is provided with minimum pressure demarcation breach or maximum pressure demarcates breach.
7. a kind of pump having peristaltic action as claimed in claim 6, it is characterized in that: described wheel carrier comprises the fixing frame (16) be fixed on live axle (7) and the regulating flange (8) be fixed on fixing frame (16), the installing space facilitating pinch roller (10) to install is provided with between fixing frame (16) and regulating flange (8), on described frame, screw (15) is arranged on regulating flange (8), described eccentric shaft (9) to be arranged between regulating flange (8) and fixing frame (16) and to pass through screw fastening.
8. a kind of pump having peristaltic action as claimed in claim 7, it is characterized in that: described regulating flange (8) comprises central connecting part and is positioned at the link arm outside central connecting part, described central connecting part and fixing frame (16) screw are fixed, and described eccentric shaft (9) is installed on link arm and shaft flange (91) is connected arm section covers.
9. a kind of pump having peristaltic action as claimed in claim 8, is characterized in that: described housing (1) is provided with the convenient viewing window (3) observed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982288.1A CN105402110B (en) | 2015-12-23 | 2015-12-23 | A kind of pump having peristaltic action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982288.1A CN105402110B (en) | 2015-12-23 | 2015-12-23 | A kind of pump having peristaltic action |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402110A true CN105402110A (en) | 2016-03-16 |
| CN105402110B CN105402110B (en) | 2017-07-14 |
Family
ID=55467810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510982288.1A Active CN105402110B (en) | 2015-12-23 | 2015-12-23 | A kind of pump having peristaltic action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402110B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507001A (en) * | 2022-09-28 | 2022-12-23 | 无锡市天利流体科技有限公司 | Peristaltic pump with adjustable pressure pipe gap |
| CN116624367A (en) * | 2021-06-01 | 2023-08-22 | 赵远先 | Rotor structure and hose pump with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2251235A (en) * | 1940-04-25 | 1941-07-29 | Edward E Stout | Pump |
| CN1754043A (en) * | 2003-02-28 | 2006-03-29 | 拉罗克斯弗劳塞斯有限公司 | Combination assembly for managing a hose or like elastic pump tube in a positive displacement pump |
| US20100316516A1 (en) * | 2008-01-11 | 2010-12-16 | Lucien Vidal | Peristaltic pump |
| CN202228318U (en) * | 2011-09-29 | 2012-05-23 | 无锡市天利流体工业设备厂 | Peristaltic pump head capable of adjusting gap between pressure tubes |
| CN104047837A (en) * | 2013-03-15 | 2014-09-17 | 成都嘉逸科技有限公司 | Peristaltic pump |
| CN204386850U (en) * | 2014-12-29 | 2015-06-10 | 宁波蓝野医疗器械有限公司 | Peristaltic pump |
| CN205260280U (en) * | 2015-12-23 | 2016-05-25 | 南京乐惠轻工装备制造有限公司 | Sanitary -grade peristaltic pump |
-
2015
- 2015-12-23 CN CN201510982288.1A patent/CN105402110B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2251235A (en) * | 1940-04-25 | 1941-07-29 | Edward E Stout | Pump |
| CN1754043A (en) * | 2003-02-28 | 2006-03-29 | 拉罗克斯弗劳塞斯有限公司 | Combination assembly for managing a hose or like elastic pump tube in a positive displacement pump |
| US20100316516A1 (en) * | 2008-01-11 | 2010-12-16 | Lucien Vidal | Peristaltic pump |
| CN202228318U (en) * | 2011-09-29 | 2012-05-23 | 无锡市天利流体工业设备厂 | Peristaltic pump head capable of adjusting gap between pressure tubes |
| CN104047837A (en) * | 2013-03-15 | 2014-09-17 | 成都嘉逸科技有限公司 | Peristaltic pump |
| CN204386850U (en) * | 2014-12-29 | 2015-06-10 | 宁波蓝野医疗器械有限公司 | Peristaltic pump |
| CN205260280U (en) * | 2015-12-23 | 2016-05-25 | 南京乐惠轻工装备制造有限公司 | Sanitary -grade peristaltic pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624367A (en) * | 2021-06-01 | 2023-08-22 | 赵远先 | Rotor structure and hose pump with same |
| CN115507001A (en) * | 2022-09-28 | 2022-12-23 | 无锡市天利流体科技有限公司 | Peristaltic pump with adjustable pressure pipe gap |
| CN115507001B (en) * | 2022-09-28 | 2023-08-22 | 无锡市天利流体科技有限公司 | Peristaltic pump with adjustable tube pressing gap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105402110B (en) | 2017-07-14 |
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Address after: 211151 Nanjing Le Hui Fenach Packaging Machinery Co., Ltd. No. 641 General Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Le Hui Fenach Packaging Machinery Co., Ltd. Address before: 211151 Jiangsu Province Nanjing Jiangning Development Zone No. 641 General South Road Nanjing Lehui Light Industry Equipment Manufacturing Co., Ltd. Patentee before: Nanjing Lehui Light Industry Equipment Manufacturing Co., Ltd. |