CN107725343A - Combined peristaltic pump and combined positioning and mounting method - Google Patents
Combined peristaltic pump and combined positioning and mounting method Download PDFInfo
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- CN107725343A CN107725343A CN201711098715.5A CN201711098715A CN107725343A CN 107725343 A CN107725343 A CN 107725343A CN 201711098715 A CN201711098715 A CN 201711098715A CN 107725343 A CN107725343 A CN 107725343A
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- Prior art keywords
- tumbler
- revolving body
- fixture
- hole
- base
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- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title description 8
- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000012827 research and development Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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
- F04B43/1292—Pumps specially adapted for several tubular flexible members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to a peristaltic pump, in particular to a combined peristaltic pump which comprises an upper cover, a base and at least two peristaltic conveying units positioned between the upper cover and the base, wherein each peristaltic conveying unit is connected with the same transmission shaft, each peristaltic conveying unit is provided with a rotating part connected with the transmission shaft and a fixing part fixed with the upper cover and the base, the rotating parts on adjacent peristaltic conveying units are linked, and a pump pipe is arranged between the rotating part and the fixing part. The invention can realize the free combination of the multi-channel peristaltic pump, including different pump tube types, different channel numbers and different installation directions. The volume is small, the use is convenient, the operation is flexible, the research and development cost is reduced, and the integration is convenient.
Description
Technical field
The present invention relates to the pump of trandfer fluid, and in particular to a kind of peristaltic pump.
Background technology
Peristaltic pump is a kind of conventional fluid delivery system, and its principle is by alternately extruding elastic delivery hose
Carry out trandfer fluid with release；Have the advantages that pollution-free, the high and low shearing force of precision, good airproof performance, maintenance are simple.Tradition at present
Peristaltic pump use roller extrusion structure, due to being influenceed by factors such as material property, machining accuracies, roller volume compared with
Greatly, and own rotation can bring more energy loss, and generally requiring larger rotating torque could realize to the continuous of pump line
Extrude so as to reach the purpose of pumping fluid.Therefore, roller peristaltic pump is influenceed by motor size, roller size, it is difficult to real
The miniaturization of existing peristaltic pump.
Simultaneously as being influenceed by roller surface processing finish, frictional force is larger when roller surface contacts with pump line, meeting
Excessive tensile is produced to pump line and causes deformation, influences flow speed stability, the abrasion of pump line is also larger, influences pump line service life
And the stability of pump line service life inner fluid speed.In addition, in the relatively low occasion of wriggling revolution speed, due to roller size compared with
Greatly, cause the interval between adjacent roller larger, and extruding degree of the pole structure to pump line is big, so as to cause obviously
Pulsation phenomenon.
And when multichannel liquid conveys simultaneously, generally require and use more peristaltic pumps or multi-channel peristaltic pump.Tradition at present
Multi-channel peristaltic pump the problem of volume is larger be present, it is difficult to be integrated among miscellaneous equipment.Its largest passages number is going out
Limited during factory, the port number of peristaltic pump can only be reduced by changing the quantity of pipe clamp, if being applied to less port number
Occasion, can not but change pump housing volume and the energy consumption of pump, cause the wasting of resources, and in-convenience in use, user is difficult to be based on it
Carry out secondary development.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art and deficiency, there is provided a kind of combined type peristaltic pump, realize more
The independent assortment of multi-channel peristaltic pump, including different pump line types, different port numbers, the independent assortment of different installation directions.And set
Standby small volume, it is easy to use, flexibly, energy loss is effectively reduced, be easy to user integrated and secondary development, reduce R＆D costs.
For achieving the above object, the technical solution adopted in the present invention is：A kind of combined type peristaltic pump, including it is upper
Lid, base and positioned at least two wriggling supply units between the two, each wriggling supply unit connects same power transmission shaft, often
All there is the tumbler with being driven axis connection, and the fixture mutually fixed with upper lid and bottom seat, phase on individual wriggling supply unit
Tumbler on adjacent wriggling supply unit keeps linkage, and pump line is arranged between tumbler and fixture.
Preferably, the wriggling supply unit profile is provided with inner loop in cylinder, the base surface relative with upper lid
Shape groove, built with secondary ball, the tumbler close to base and the wriggling supply unit of upper lid connects secondary annular recess with secondary ball
Touch.
Preferably, the section of the secondary annular recess is the ellipse that width is more than depth, and oval length is more than secondary ball
0.2~0.4mm of diameter, groove height are 1.2~1.3 times of minor axis radius, and secondary ball uses high-precision ceramic ball.
Preferably, the fixture periphery of each wriggling supply unit is provided with multiple equally distributed fixed installation holes,
It is corresponding with the fixed installation hole site on the base and upper lid that the position in hole is fixedly mounted, upper lid, fixture and base pass through
Hole is fixedly mounted to fix.
Preferably, in described wriggling supply unit：The tumbler is discoid, and side face is provided with equally distributed revolution
Body holding tank, revolving body is disposed with revolving body holding tank, the gyroaxis of revolving body is parallel with the central shaft of tumbler, revolving body
The shape of holding tank is coincide with revolving body, and revolving body top is revealed in outside tumbler；The fixture center is protected provided with tumbler
Hole is held, tumbler is located in tumbler retaining hole, and tumbler retaining hole is along the circumferential direction provided with arc-shaped groove, arc-shaped groove
Cross section is in circular arc, and arc-shaped groove both ends connect the leadout hole for extending to fixture outer surface respectively；Installed on tumbler
Revolving body it is corresponding with the arc-shaped groove on fixture, the pump line is located at turn around the arc between external circle and arc-shaped groove
Extended in shape gap area and from leadout hole outside fixture.
Preferably, the revolving body is spheroidal, and is made up of high-precision ceramic balls, and the revolving body holding tank is hemisphere
Shape groove.
Preferably, the radius of the revolving body holding tank is more than the 0.1~0.15mm of revolving body, the arcuation interstitial area
The linear width at domain both ends is less than twice of 0.1~0.2mm of pump line thickness, and the annular groove is identical with the internal diameter of leadout hole, and two
Person intersection is connected using fillet, and radius of corner is 1~2 times of pump line external diameter.
Preferably, the major part of described arc-shaped groove wrapping tumbler outer ring；Or arc-shaped groove has multistage, and
Tumbler outer ring is evenly spaced in, each section of arc-shaped groove both ends connect the leadout hole for extending to fixture outer surface respectively.
Preferably, the revolving body holding tank bottom position in the tumbler outer ring is additionally provided with the annular groove around central shaft
Groove, annular ditch groove connect with revolving body holding tank, and circumferencial direction of the annular ditch groove along tumbler is to penetrate, on the revolving body
Half end is exposed to tumbler outer ring, and intermediate ends are located at turn around in body holding tank, and the bottom of revolving body and the bottom surface of annular ditch groove connect
Touch and be supported by it；Lubricating oil or lubricating grease are filled with the annular ditch groove.
Accordingly, the integrated positioning mounting means of described combined type peristaltic pump, step are as follows：
Step 1, secondary ball is installed in the secondary annular recess of base, and base sheath is connected to power transmission shaft；
Step 2, will in first layer tumbler spherical groove installation corresponding to ball, then tumbler is pacified by rotary shaft
Dress borehole jack is connected to power transmission shaft, the secondary ball contact on the bottom surface of tumbler and base in secondary annular recess；
Step 3, the periphery that fixture corresponding to first layer tumbler is installed on to tumbler by tumbler retaining hole, Gu
The fixed installation hole for determining part is corresponding with the fixed installation hole of base；
Step 4, repeat that remaining tumbler and corresponding fixture are installed according to step 2~3；
Step 5, the fixing hole that linked by the tumbler of tumbler fix all tumblers；
Step 6, secondary ball is installed in the secondary annular recess of upper lid, and upper lid is positioned over the mounted the superiors and consolidated
Determine the upper surface of part, on upper lid to be fixedly mounted hole corresponding with the fixed installation hole of mounted fixture and base, pass through
Upper lid, all fixtures, base are fixed on drive body by the modes such as nut together；
Step 7, pump line is installed on corresponding to every layer of fixture and tumbler in arcuation gap.
The invention has the advantages that：The combined type peristaltic pump of the present invention, tumbler therein and corresponding fixation
Part can be individual layer or multilayer, and the peristaltic pump of different layers number is obtained by the superposition installation of the different numbers of plies.Every layer can be with
Change corresponding port number by changing in fixture the length of arc-shaped groove and quantity.By design the different numbers of plies with
Every layer of port number obtains different multi-channel peristaltic pumps., can be identical by changing the size of ball and the size of pump line
Different rate of flow of fluids is obtained under rotating speed.Upper lid and the loop ball of floor installation the tumbler of centre can be played support and
The effect of positioning, prevent tumbler displacement from causing pump line compression deflection, while ensure that tumbler does circle relative to fixed part again
When week rotates, the frictional force of rotating part and fixed support portion is reduced, reduces energy consumption.And multi-channel peristaltic pump can be realized
Independent assortment, including different pump line types, different port numbers, different installation directions.Small volume, easy to use, flexibly, reduction is ground
Cost is sent out, is easy to integrate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of wriggling supply unit；
Fig. 3 is the A-A direction views in Fig. 2.
Embodiment
Combined type peristaltic pump with reference to shown in Fig. 1~3, the combined type peristaltic pump, including upper lid 30, base 40 and position
In between the two to four wriggling supply units, wriggling supply unit connects same power transmission shaft, on each wriggling supply unit
All there is the tumbler 1 with being driven axis connection, the tumbler 1 of four wriggling supply units passes through fixing hole 15 and the universal driving shaft of linking
Linkage.The fixture 2 also fixed with upper lid 30 and base 40, arranges pump line 3 between tumbler 1 and fixture 2.That is
The fixture 2 is stackable to be fixed to base 40, and the tumbler 1 is stackable and set is connected to power transmission shaft, and the upper lid 30 is located at
Above the superiors' tumbler 1 and fixture 2.As shown in figure 1, the present invention is for convenience, rightmost side part in figure is ordered
Entitled base 40, leftmost side part are named as lid 30.Such wriggling supply unit has independent conveying function, but by same
Power transmission shaft drives, and is linked with adjacent wriggling supply unit.It is many to meet the wriggling supply unit concrete structure of this requirement, can
To be existing structure, can also further improve.
The center of base 40 is provided with centre bore, and centre bore is more than transmission shaft diameter and passed through for power transmission shaft, and power transmission shaft turns
Do not rubbed when dynamic with base 40.The periphery of base 40, which is provided with, is fixedly mounted hole 24, and base 40 can be by being fixedly mounted hole
24 installations are fixed on frame or stylobate.The upper surface of base 40 is provided with secondary annular recess 44, continuous in secondary annular recess 44
Secondary ball 43 is filled, the section of secondary annular recess 44 is more than the ellipse of depth for width, and the height of groove is slightly larger than ellipse
Short axle, ensure that secondary ball 43 can freely rotate in annular recess, at the same secondary ball 43 can easily load groove again it is unlikely
In dropping out.Preferably, oval length is more than the secondary diameter of ball 43 about 0.2~0.4mm, and groove height is about the 1.2 of minor axis radius
~1.3 times.Secondary ball 43 is using the higher ceramic balls of corrosion-resistant and surface smoothness and precision.
The periphery that shaft mounting hole 11 is driven described in the tumbler 1 is provided with multiple equally distributed linkage fixing holes 15,
During multiple 1 stack combinations of tumbler, multiple tumblers 1 can be superimposed using universal driving shaft by fixation by the fixing hole 15 that links, ensured
The uniformity that closely combines and link of multiple tumblers 1.It is used in each fixture 2 provided with a tumbler retaining hole 21
Arrange tumbler 1.The periphery of the tumbler retaining hole 21 is provided with multiple equally distributed fixed installation holes 24, and hole is fixedly mounted
24 position is corresponding with the fixed installation hole 24 of the base 40, can be by the way that hole 24 is fixedly mounted by one or more fixtures 2
It is superimposed fixed frame or base station.
The center of upper lid 30 is provided with centre bore, and centre bore is more than transmission shaft diameter, during drive axis not with upper lid 30
Friction.The periphery of upper lid 30, which is provided with, is fixedly mounted hole 24, and hole 24 and the fixture 2 and the base 40 is fixedly mounted
The correspondence of fixed installation hole 24, upper lid 30 can install fixation by the way that hole 24 is fixedly mounted together with fixture 2 and base 40.It is described
The upper lower surface of lid 30 is provided with secondary annular recess 34, and secondary ball 33 is continuously filled in secondary annular recess 34, and secondary annular recess 34 is cut
Face is the ellipse that laterally disposed namely width is more than depth, and the height of secondary annular recess 34 is slightly larger than oval short axle.
Ensure that secondary ball 33 can freely rotate in annular recess 34, while secondary ball 33 can easily load groove and be unlikely to again
Go out.Similar in base 40, preferably oval length is more than ball diameter about 0.2~0.4mm, and groove height is about minor axis radius
1.2~1.3 times.Secondary ball 33 is preferably with the higher ceramic balls of corrosion-resistant and surface smoothness and precision.
The preferred structure of each wriggling supply unit is for example：With reference to shown in Fig. 2,3, including tumbler 1 and fixture 2, institute
State tumbler 1 and be referred to as short cylindric to be discoid, disk outer ring is provided with to hold around the equally distributed revolving body of central shaft
To receive groove 13, revolving body 14 is disposed with revolving body holding tank 13, the gyroaxis of revolving body 14 is parallel with the central shaft of tumbler 1,
The shape of revolving body holding tank 13 is coincide with revolving body 14, and the top of revolving body 14 is revealed in outside tumbler 1.In the fixture 2
The heart is provided with tumbler retaining hole 21, and tumbler 1 can be arranged on the center of fixture 2 by tumbler retaining hole 21 and can be around
Axis rotation.Tumbler retaining hole 21 is along the circumferential direction provided with arc-shaped groove 22, and the cross section of arc-shaped groove 22 is in circular arc,
The both ends of arc-shaped groove 22 connect leadout hole 23 respectively, and leadout hole 23 is extended to outside fixture 2.The fixture 2 with it is described
Pump line 3 is provided between tumbler 1.The revolving body 14 uniformly installed on tumbler 1 and the arc-shaped groove 22 on fixture 2 are right
Should, the pump line 3 is located in the arcuation gap area between the outer ring of revolving body 14 and arc-shaped groove 22 Nei and from leadout hole 23
Extend to outside fixture 2, facilitate user to be positioned by joint and fix and connect outside liquid stream.The cross section of arc-shaped groove 22
It is not arc-shaped geometrically, but the arc of the installation of pump line 3 positioning for convenience.Fixture 2 can be monoblock type
Structure；It can also be two halves structure, be then fixed as one by fixing hole 24, be easy to arc-shaped groove 22 to process.
Described arc-shaped groove 22 can be that the entirety shown in Fig. 1 is in semi arch or more than half arc-shaped, and wrapping rotates
The major part of the outer ring of part 1.Or arc-shaped groove 22 has multistage, and the outer ring of tumbler 1 is evenly spaced in, each section of arc-shaped is recessed
The both ends of groove 22 connect the leadout hole 23 (not shown) for extending to the outer surface of fixture 2 respectively.Multiple pump lines can thus be assembled
3, as long as each pump line 3 is at least contacted and can worked with a revolving body 14, and realize and multiple independences are arranged on a peristaltic pump
Fluid passage.
The center of tumbler 1 is provided with transmission shaft mounting hole 11, and tumbler 1 is by being driven shaft mounting hole 11 and motor, liquid
The rotary shaft of the similar power device such as pressure motor is connected, and tumbler 1 is rotated under rotary shaft drive during work；Specifically
The connected modes such as splined hole and spline fitted can be used.Preferably, the transmission shaft mounting hole 11 is T-shaped circular hole, that is,
Transmission shaft mounting hole 11 cross section cuts the appearance of marginal portion for circle；So tumbler 1 can be socketed on by T-shaped circular hole
The rotary shaft of most of conventional motors, it is not necessary to extra connector, energy loss is reduced, it is compact-sized；Feelings if necessary
Under condition, the rotating shaft being driven in shaft mounting hole 11 can also be connected to the rotary shaft of motor by decelerator.
The revolving body 14 is, for example, spheroidal, oval spherical, capsule shape etc., if oval spherical and capsule shape is then grown
The axis parallel of axle and tumbler 1.Preferably described tumbler 1 is spheroidal, that is, revolving body 14 is a ball, and ball is
Surface flatness is high and corrosion resistant high-precision ceramic balls, to reduce energy loss caused by friction in rotation process, simultaneously
Revolving body 14 is reduced to greatest extent to wear caused pump line 3 in the extrusion process of pump line 3.The half of the revolving body holding tank 13
Footpath is more than the about 0.1~0.15mm of revolving body 14, and after having annular ditch groove 12, the height of the revolving body holding tank 13 is about
For 1~3mm；That is after being passed through with the phase of annular ditch groove 12,13 remaining thin-walleds of revolving body holding tank, the walled thickness is namely
L in figure is about 1~3mm.So so that the center of the center of the revolving body 14 and the revolving body holding tank 13 substantially
In coincidence status.The linear width at arcuation gap both ends is less than twice of 0.1~0.2mm of thickness of pump line 3.The arc-shaped groove
22 is identical with the internal diameter of leadout hole 23, and both intersections are connected using fillet, and radius of corner is 1~2 times of the external diameter of pump line 3.
The bottom position of revolving body holding tank 13 in the outer ring of tumbler 1 is additionally provided with the annular ditch groove around central shaft
12, annular ditch groove 12 connects with revolving body holding tank 13, and circumferencial direction of the annular ditch groove 12 along tumbler 1 is insertion.It is described
The upper half end of revolving body 14 being provided with revolving body holding tank 13 is exposed to the outer ring of tumbler 1, and lower half end is located in annular ditch groove 12,
Intermediate ends are located at turn around in body holding tank 13.The bottom of the revolving body 14 contacts with the bottom surface of annular ditch groove 12 and propped up by it
Support.Lubricating oil or lubricating grease are filled with the annular ditch groove 12.Revolving body 14 can freely turn after being positioned in spherical groove
It is dynamic, while its displacement in circumferencial direction is limited by groove curved surface, contacted for 12 points with annular ditch groove in bottom.Revolving body 14 rotates
When friction it is small, reduce energy loss, reduce peristaltic pump rotate needed for torque demand, be easy to miniaturization and the multichannel of pump.Together
When, revolving body 14 can use very little size without using the roller construction with central shaft in conventional peristaltic pumps
Revolving body 14, the arrangement between revolving body 14 can to greatest extent be approached, produced so as to effectively reduce in the extrusion process of pump line 3
Raw pulsation phenomenon.Annular ditch groove 12 can not only accommodate lubricating oil or lubricating grease plays lubrication, while when process
Machining accuracy can also be reduced, avoids the sphere processing to the bottom of revolving body holding tank 13.
The operation principle of single wriggling supply unit is：It is recessed with arc-shaped on tumbler 1 in the rotation process of tumbler 1
The revolving body 14 of the correspondence position of groove 22 is produced to pump line 3 and extruded, and liquid transports in drive body.Tumbler 1 stops operating then
Pump line 3 is extruded and disappeared, tube fluid stops conveying.
Certainly, above-mentioned wriggling supply unit is illustrative or other similar functions structures.
Present invention also offers the integrated positioning mounting means of combinations thereof formula peristaltic pump, step are as follows：
Step 1, secondary ball 43 is installed in the secondary annular recess 44 of base 40, and by base 40 sets be connected to power transmission shaft；
Step 2, will in the spherical groove of first layer tumbler 1 installation corresponding to tumbler 1 (such as ball), then will rotate
Part 1 is socketed on power transmission shaft, the bottom surface of tumbler 1 and the secondary rolling in secondary annular recess 44 on base 40 by being driven shaft mounting hole 11
Pearl 43 contacts；
Step 3, fixture 2 corresponding to first layer tumbler 1 is installed on the outer of tumbler 1 by tumbler retaining hole 21
Enclose, the fixed installation hole 24 of fixture 2 is corresponding with the fixed installation hole 24 of base 40；
Step 4, repeat that remaining tumbler 1 and corresponding fixture 2 are installed according to step 2~3；
Step 5, by the linkage fixing hole 15 of tumbler 1 all tumblers 1 are fixed；
Step 6, secondary ball 33 is installed in the secondary annular recess 34 of upper lid 30, and upper lid 30 is positioned over mounted
The upper surface of the superiors' fixture 2, hole 24 and the fixation of mounted fixture 2 and base 40 is fixedly mounted on upper lid 30
The correspondence of mounting hole 24, upper lid 30, all fixtures 2, base 40 are fixed on by drive body by modes such as nuts together.
Step 7, pump line 3 is installed on corresponding to every layer of fixture 2 and tumbler 1 in arcuation gap.
The pump line that assembling is completed the agent structure of combined type peristaltic pump and then carried out on each wriggling supply unit fills
Match somebody with somebody, step includes：
Step 1, one end of pump line 3 are connected to one end of the pass joint of pagoda type two, and diameter needs greatly at the center of two pass joints
In the diameter of leadout hole 23；
Step 2, the leadout hole 23 of the termination of pump line 3 of not connected two pass joints therefrom is manually inserted into, now pump
Pipe 3 will stretch to arc-shaped groove 22 along leadout hole 23, stop being manually inserted into when pump line 3 touches revolving body 14；
Step 3, tumbler 1 being rotated, revolving body 14 produces extruding to the part of pump line 3 touched, and with tumbler 1
Rotate and drive the extension in arc-shaped groove 22 of pump line 3 to advance, finally extend out to from another port of arc-shaped groove 22
Leadout hole 23 is simultaneously extend out to outside the pump housing；
Step 4, tumbler 1 are rotated further, and revolving body 14 continues to drive pump line 3 to move, final to connect the one of two pass joints
End is stuck in the external port of leadout hole 23, completes the installation and fixation of peristaltic pump tube 3.
When needing to change or removing pump line 3, two pass joints of the removable port of pump line 3, then in the rotation of tumbler 1
Lower removal pump line 3.
Claims (10)
- A kind of 1. combined type peristaltic pump, it is characterised in that：Including upper lid, base and positioned at least two wrigglings between the two Supply unit, each wriggling supply unit connect same power transmission shaft, have on each wriggling supply unit and transmission axis connection Tumbler, and the fixture mutually fixed with upper lid and bottom seat, the tumbler on adjacent wriggling supply unit keep linkage, rotated Pump line is arranged between part and fixture.
- 2. combined type peristaltic pump according to claim 1, it is characterised in that：The wriggling supply unit profile is in cylinder Shape, the base and the relative surface of upper lid are provided with secondary annular recess, and secondary annular recess is built with secondary ball, close base and upper The tumbler of the wriggling supply unit of lid and secondary ball contact.
- 3. combined type peristaltic pump according to claim 2, it is characterised in that：The section of the secondary annular recess is that width is big In the ellipse of depth, oval length is more than secondary 0.2~0.4mm of ball diameter, and groove height is the 1.2~1.3 of minor axis radius Times, secondary ball uses high-precision ceramic ball.
- 4. combined type peristaltic pump according to claim 1, it is characterised in that：The fixture of each wriggling supply unit Periphery is provided with multiple equally distributed fixed installation holes, and the position in hole and the fixed installation on the base and upper lid is fixedly mounted Hole site is corresponding, and upper lid, fixture and base are fixed by the way that hole is fixedly mounted.
- 5. the combined type peristaltic pump according to any one in Claims 1 to 4, it is characterised in that：Described wriggling conveying In unit：The tumbler is discoid, and side face is provided with equally distributed revolving body holding tank, is disposed with revolving body holding tank Revolving body, the gyroaxis of revolving body is parallel with the central shaft of tumbler, and shape and the revolving body of revolving body holding tank coincide, revolution Body top is revealed in outside tumbler；The fixture center is provided with tumbler retaining hole, and tumbler is located in tumbler retaining hole, Tumbler retaining hole is along the circumferential direction provided with arc-shaped groove, and arc-shaped groove cross section is in circular arc, arc-shaped groove both ends Connection extends to the leadout hole of fixture outer surface respectively；The arc-shaped groove on revolving body and fixture installed on tumbler Corresponding, the pump line is located at turn around extending to admittedly in the arcuation gap area between external circle and arc-shaped groove and from leadout hole Determine outside part.
- 6. combined type peristaltic pump according to claim 5, it is characterised in that：The revolving body is spheroidal, and by high-precision Spend Ceramic Balls to form, the revolving body holding tank is hemispherical groove.
- 7. combined type peristaltic pump according to claim 5, it is characterised in that：The radius of the revolving body holding tank is more than institute 0.1~0.15mm of revolving body is stated, the linear width at the arcuation gap area both ends is less than twice of pump line 0.1~0.2mm of thickness, The annular groove is identical with the internal diameter of leadout hole, both intersections using fillet connect, radius of corner for pump line external diameter 1~ 2 times.
- 8. combined type peristaltic pump according to claim 5, it is characterised in that：Outside described arc-shaped groove wrapping tumbler The major part of circle；Or arc-shaped groove has multistage, and tumbler outer ring is evenly spaced in, each section of arc-shaped groove both ends point The leadout hole of fixture outer surface Lian Jie not extended to.
- 9. combined type peristaltic pump according to claim 8, it is characterised in that：Revolving body in the tumbler outer ring accommodates Trench bottom position is additionally provided with the annular ditch groove around central shaft, and annular ditch groove connects with revolving body holding tank, and annular ditch groove edge turns The circumferencial direction of moving part is insertion, and the revolving body upper half end is exposed to tumbler outer ring, and intermediate ends are located at turn around body receiving In groove, the bottom of revolving body contacts and is supported by it with the bottom surface of annular ditch groove；In the annular ditch groove filled with lubricating oil or Lubricating grease.
- 10. the integrated positioning mounting means of the combined type peristaltic pump according to any one in claim 5~9, step is such as Under：Step 1, secondary ball is installed in the secondary annular recess of base, and base sheath is connected to power transmission shaft；Step 2, will in first layer tumbler spherical groove installation corresponding to ball, then by tumbler by rotating shaft mounting hole It is socketed on power transmission shaft, the secondary ball contact on the bottom surface of tumbler and base in secondary annular recess；Step 3, the periphery that fixture corresponding to first layer tumbler is installed on to tumbler by tumbler retaining hole, fixture Be fixedly mounted hole it is corresponding with the fixed installation hole of base；Step 4, repeat that remaining tumbler and corresponding fixture are installed according to step 2~3；Step 5, the fixing hole that linked by the tumbler of tumbler fix all tumblers；Step 6, secondary ball is installed in the secondary annular recess of upper lid, and upper lid is positioned over mounted the superiors' fixture Upper surface, on upper lid to be fixedly mounted hole corresponding with the fixed installation hole of mounted fixture and base, pass through nut etc. Upper lid, all fixtures, base are fixed on drive body by mode together；Step 7, pump line is installed on corresponding to every layer of fixture and tumbler in arcuation gap.
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| CN201711098715.5A CN107725343B (en) | 2017-11-09 | 2017-11-09 | Combined peristaltic pump and combined positioning and mounting method |
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| CN201711098715.5A CN107725343B (en) | 2017-11-09 | 2017-11-09 | Combined peristaltic pump and combined positioning and mounting method |
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| CN107725343B CN107725343B (en) | 2024-01-30 |
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| CN108894963A (en) * | 2018-07-19 | 2018-11-27 | 佛山市雅科奇电子电器有限公司 | A kind of liquid rotary pump |
| CN110259672A (en) * | 2019-07-24 | 2019-09-20 | 四川轻化工大学 | A kind of superminiature peristaltic pump |
| CN110259673A (en) * | 2019-07-24 | 2019-09-20 | 四川轻化工大学 | A kind of ball-type peristaltic pump |
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