CN207761916U - Linear hose pump - Google Patents
Linear hose pump Download PDFInfo
- Publication number
- CN207761916U CN207761916U CN201721737565.3U CN201721737565U CN207761916U CN 207761916 U CN207761916 U CN 207761916U CN 201721737565 U CN201721737565 U CN 201721737565U CN 207761916 U CN207761916 U CN 207761916U
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- CN
- China
- Prior art keywords
- hose
- block
- crushing block
- pump
- straight line
- 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.)
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- 230000000737 periodic effect Effects 0.000 claims abstract description 15
- 230000002572 peristaltic effect Effects 0.000 claims description 29
- 230000002441 reversible effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 23
- 238000001125 extrusion Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000003094 microcapsule Substances 0.000 description 7
- 230000036541 health Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model belongs to medical accurate fluid pump field, a straight line hose pump that proposes, which comprises a pump body, be provided with the hose on the pump body, still be provided with a plurality of extrusion pieces with the hose contact on the pump body, extrusion piece periodic reciprocating motion, there is the phase difference that is less than 180 degrees in the periodic motion of two adjacent extrusion pieces, still including setting up the piece that blocks that just is located two adjacent extrusion interblock on the pump body, periodic reciprocating motion is to the piece that blocks, and the cycle is the same with the extrusion piece, block motion to the summit extrusion and block the hose, it is great to the loss of hose to have solved among the prior art hose pump, and the fragile technical problem who is carried the material in the transportation process.
Description
Technical field
The utility model belongs to medical sophisticated fluid pump field, is related to a kind of straight line peristaltic pump.
Background technology
Peristaltic pump belongs to the scope of peristaltic pump.Peristaltic pump is one kind of rotator type positive displacement pump, is disappeared because its operation principle is similar
Change road conveyed in a manner of wriggling gas, solid, liquid three-phase medium and gain the name, peristaltic pump is chiefly used in health field and laboratory metering, existing
There is peristaltic pump in technology to be all made of rotor or chain-driving extruding wheel or crushing block and rotate or slide on hose and realizes material
Feeding, but this mode is larger to the loss of hose, and the pressure generated to the material in hose is larger, for health field
When the conveying of middle microcell or microcapsules, easily microcell or microcapsules are racked, influence the conveying effect of peristaltic pump.
Utility model content
The utility model proposes a kind of straight line peristaltic pump, solve in the prior art that peristaltic pump is larger to the loss of hose,
And in transmission process the technical issues of fragile transported material material.
What the technical solution of the utility model was realized in：
A kind of straight line peristaltic pump, including the pump housing are provided with hose on the pump housing, be additionally provided on the pump housing it is several with
The crushing block of the hose contact, the crushing block periodic reverse motion, there are small for the periodic motion of two neighboring crushing block
In the phase difference of 180 degree.
As further technical solution, further include be arranged on the pump housing and between two neighboring crushing block cut
Fault block, the block that blocks does periodic reverse motion, and the period is identical as the crushing block, it is described block block move to peak squeeze
It presses and blocks the hose.
As further technical solution, the phase difference of the adjacent crushing block of each two is fixed value, and is less than 90 degree.
As further technical solution, also rotation is provided with the camshaft being connect with power source on the pump housing, described
It is provided with several along the different cams being radially arranged on camshaft, the cam is contacted with the crushing block.
As further technical solution, also rotation is provided with the bent axle being connect with power source, the song on the pump housing
Axis includes several crank arms, and adjacent two pairs of crank arms are connected by trunnion and are arranged in angle, are provided between each pair of crank arm
Rod journal, on the rod journal rotation be provided with several connecting rods, the connecting rod is rotatablely connected with the crushing block.
As further technical solution, also rotation is provided with the eccentric wheel rim being connect with power source, institute on the pump housing
It states and radial also slide of shaft is provided with several mandrils contacted with its inner surface inside eccentric wheel rim, described in the mandril connection
Crushing block.
It the utility model use principle and has the beneficial effect that：
1, when utility model works, crushing block, in the angle of macroscopic view, is squeezed when to the extruding of hose due to two neighboring
Briquetting, which exists, is less than 180 degree phase difference, can use a bit on each crushing block, several points form an extruding unidirectionally moved
The effect of waveform, the extruding waveform is similar to the crushing block driven with chain or rotor in conventional peristaltic pumps or extruding wheel, this is squeezed
Corrugating moves on hose, and squeezing tube deformation drives material endlessly progressive to the other end from hose one end, micro-
The angle of sight, single crushing block can be by squeezing or unclamping hose, forming the micro-positive pressure or tiny structure of the part, in conjunction with phase
Adjacent crushing block can form pressure difference at both ends in signal period, drive Flow of Goods and Materials in hose.
The utility model is by the periodic reverse motion of the out of phase of several crushing blocks, instead of squeezing in the prior art
Briquetting or crushing block become the mode for squeezing and becoming sliding on hose, which reduces the deformation extent to hose squeezing,
So that hose is exempted from the tension and compression stress of its extending direction during being extruded, and then reduce the loss to hose, extends soft
The working life of pipe, while the deformation extent of hose reduces, and so that hose is reduced the effect of its internal flows, ensure that the hose
Pump does not damage logistics when conveying material, and the peristaltic pump is made to can be applied to microcell in health field or microcapsules
Conveying, setting are scientific and reasonable.
2, in the utility model, setting blocks block and can equally squeeze short tube, and with crushing block collective effect hose, band
It moves material in hose to advance, while blocking block to move to top in signal period, blocks hose, several block block
It is several wriggling units by hose segment, each wriggling unit both ends block block by two and constitute, if two are blocked between block and had
Dry crushing block, can prevent the material of inside hose from flowing back since pressure is larger, to improve the reliable of the peristaltic pump
Property and versatility, multiple wriggling units carry out blocking respectively can be by pressure balance to each wriggling unit, to material or soft
Tube pump plays a protective role, and setting is scientific and reasonable.
3, in the utility model, the phase difference of each adjacent two crushing block is equal and is less than 90 °, in extruding block period fortune
When dynamic, the extruding waveform more rule of generation, Flow of Goods and Materials is more steady in peristaltic pump, when peristaltic pump can preferably be applied to defend
The conveying of microcell or microcapsules, setting are scientific and reasonable in raw field.
The utility model is mainly used for the conveying of medical cell separation fluid, and cell is not easy to damage breakage by pressure with microcapsules.
Flow velocity pulse free, good linearity, precision are high and without reflux.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the first example structure schematic diagram of the utility model；
Fig. 2 is second of example structure schematic diagram of the utility model；
Fig. 3 is the third example structure schematic diagram of the utility model；
In figure：The 1- pump housings, 2- hoses, 3- crushing blocks, 4- block block, 5- camshafts, 6- cams, 7- bent axles, 71- cranks
Arm, 72- trunnions, 73- rod journals, 8- connecting rods, 9- bias wheel rims, 10- mandrils.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in FIG. 1 to 3, a kind of straight line peristaltic pump, including the pump housing 1, are provided with hose 2 on the pump housing 1, on the pump housing 1 also
It is provided with several crushing blocks 3 contacted with hose 2,3 periodic reverse motion of crushing block, the period fortune of two neighboring crushing block 3
The dynamic phase difference existed less than 180 degree.
When utility model works, crushing block 3, in the angle of macroscopic view, is squeezed when to the extruding of hose 2 due to two neighboring
Briquetting 3, which exists, is less than 180 degree phase difference, can use a bit on each crushing block 3, and what several points formation one was unidirectionally moved squeezes
The effect of corrugating, the extruding waveform is similar to the crushing block driven with chain or rotor in conventional peristaltic pumps or extruding wheel, should
It squeezes waveform to move on hose 2, squeezing tube 2 deforms, and drives material endlessly progressive to another from 2 one end of hose
End, in microcosmic angle, single crushing block 3 can be by squeezing or unclamping hose 2, forming the micro-positive pressure or micro- negative of the part
Pressure can form pressure difference at both ends in signal period, drive Flow of Goods and Materials in hose 2 in conjunction with adjacent crushing block 3.
The utility model passes through slide crank by the periodic reverse motion of the out of phase of several crushing blocks 3, crushing block 3
Block mechanism or 6 mechanism of cam, which realize, to be moved back and forth, and becomes extruding on hose 2 instead of crushing block 3 in the prior art or crushing block 3
Become the mode of sliding, which reduces the deformation extent squeezed hose 2, and hose 2 is made to be exempted from during being extruded
The tension and compression stress of its extending direction, and then reduce the loss to hose 2, extend the working life of hose 2, while hose 2
Deformation extent reduce, so that hose 2 is reduced the effect of its internal flows, ensure that the peristaltic pump when conveying material not to object
Stream damages, and the peristaltic pump is made to can be applied to the conveying of microcell or microcapsules in health field, and setting is scientific and reasonable.
Further, further include being arranged on the pump housing 1 and blocking block 4 between two neighboring crushing block 3, block block 4 and do
Periodic reverse motion, and the period is identical as crushing block 3 blocks block 4 and moves to peak squeezing and blocking hose 2.
In the utility model, setting blocks block 4 and can equally squeeze short tube, and with 3 collective effect hose 2 of crushing block,
It drives material in hose 2 to advance, while blocking block 4 to move to top in signal period, blocks hose 2, several
It is several wriggling units that block 4, which is blocked, by 2 part of hose, and each wriggling unit both ends are blocked block 4 by two and constituted, and two are blocked
There are several crushing blocks 3 between block 4, can prevent the material inside hose 2 from flowing back since pressure is larger, it is soft to improve this
The reliability and versatility of tube pump, multiple wriggling units carry out blocking respectively can by pressure balance to each wriggling unit,
It plays a protective role to material or peristaltic pump, setting is scientific and reasonable.
Further, the phase difference of the adjacent crushing block of each two 3 is fixed value, and is less than 90 degree.
In the utility model, the phase difference of each adjacent two crushing block 3 is equal and is less than 90 °, in 3 period of crushing block fortune
When dynamic, the extruding waveform more rule of generation, Flow of Goods and Materials is more steady in peristaltic pump, when peristaltic pump can preferably be applied to defend
The conveying of microcell or microcapsules, setting are scientific and reasonable in raw field.
Further, also rotation is provided with the camshaft 5 being connect with power source on the pump housing 1, and several edges are provided on camshaft 5
The cam 6 that difference is radially arranged, cam 6 are contacted with crushing block 3.
In the present embodiment, being rotated by power source, band moving cam 6 and camshaft 5 rotate, and cam 6 is withstood on crushing block 3,
By the eccentric block of cam 6,3 property performance period of crushing block is made to move back and forth, by making cam 6 be arranged along different angle, realized
The phase difference of adjacent crushing block 3, this is simple in structure, and reliability is high, and setting is scientific and reasonable.
Wherein camshaft connects stepper motor by gear pair, and camshaft upper edge axis is provided with two groups of cams, and every group convex
Wheel includes setting gradually a big cam and one group of small cam being arranged along same radial along axis, and big cam is in mutually with small cam
90 degree of settings are arranged wherein two groups of cams are in mutually 180 degree, and big cam is contacted with block is blocked, and small cam is contacted with crushing block, is passed through
The rotation of camshaft, it is in periodic squeezing tube to drive crushing block to block block, realizes the conveying of soft tube fluid.
When stepper motor drives gear pair and gear shaft to run, when first group of big cam to highest order jack-up block sliding block and
The common squeezing tube of convex block on briquetting, throttling do not generate reflux.Continue to rotate, big cam curvature is begun to decline, and blocks sliding block
Intimate contact is also maintained with hose, form a plane with small cam extrusion sliding block group when turning over 90 degree is pressed against jointly
Hose squeezes away the material in hose, and hose is left when first group, and hose resiles, and forms tiny structure and aspirates material,
At this moment start to push hose formation positive pressure, the uniformly progressive flowing of two groups of guarantee materials for second group.Size cam is minimum in big cam
Point is tangent, and material is made to operate steadily transition.
It is provided with and is renovated by hinge pin shaft at the top of its middle pump body, had due to blocking ram extrusion hose and easily causing on hose
Impression, therefore just need to change position with a period of time hose or more renew pipe, it can will renovate and raise when replacing hose, short tube will be pulled
It keeps flat in the pump housing, is conveniently replaceable hose.
Further, also rotation is provided with the bent axle 7 being connect with power source on the pump housing 1, and bent axle 7 includes several crank arms 71,
Adjacent two pairs of crank arms 71 are connected by trunnion 72 and are arranged in angle, and 8 axle journal 73 of connecting rod is provided between each pair of crank arm 71,
Rotation is provided with several connecting rods 8 on 8 axle journal 73 of connecting rod, and connecting rod 8 is rotatablely connected with crushing block 3.
It in the present embodiment, is rotated by bent axle 7, trunnion 72 drives crank arm 71 to rotate on bent axle 7, and crank arm 71 drives
8 axle journal 73 of connecting rod is rotated around rotary shaft, and crank arm 71, connecting rod 8 and crushing block 3 constitute slider-crank mechanism, realizes crushing block 3
Periodic reverse motion, crank arm 71 along different radial direction settings, realize two neighboring crushing block 3 there are phase difference, this knots
Structure is simple, and reliability is high, and setting is scientific and reasonable.
Further, it is also rotated on the pump housing 1 and is provided with the eccentric wheel rim 9 being connect with power source, along shaft inside eccentric wheel rim 9
Radial also sliding is provided with several mandrils 10 contacted with its inner surface, and mandril 10 connects crushing block 3.
In the present embodiment, along the radial direction setting of hose 2, eccentric wheel rim 9 rotates mandril 10, wherein the circle of eccentric wheel rim 9
The heart rotates the line at center, the radius of eccentric wheel rim 9 and mandril 10 and constitutes slider-crank mechanism, realizes the week of crushing block 3
Phase property moves back and forth, and by the different radial settings by different mandrils 10 along hose 2, realizes depositing for two neighboring crushing block 3
In phase difference, this is simple in structure, and reliability is high, and setting is scientific and reasonable.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of straight line peristaltic pump, which is characterized in that including the pump housing (1), hose (2), the pump are provided on the pump housing (1)
It is additionally provided with several crushing blocks (3) contacted with the hose (2) on body (1), crushing block (3) periodic reverse motion,
There is the phase difference less than 180 degree in the periodic motion of two neighboring crushing block (3).
2. a kind of straight line peristaltic pump according to claim 1, which is characterized in that further include being arranged on the pump housing (1)
And block (4) is blocked between two neighboring crushing block (3), the block (4) that blocks does periodic reverse motion, and period and institute
It is identical to state crushing block (3), it is described block block (4) and move to peak squeeze and block the hose (2).
3. a kind of straight line peristaltic pump according to claim 1, which is characterized in that the phase of the adjacent crushing block of each two (3)
Difference is fixed value, and is less than 90 degree.
4. according to a kind of straight line peristaltic pump of claims 1 to 3 any one of them, which is characterized in that also turn on the pump housing (1)
It is dynamic to be provided with the camshaft (5) being connect with power source, it is provided on the camshaft (5) several along the different cams being radially arranged
(6), the cam (6) contacts with the crushing block (3).
5. according to a kind of straight line peristaltic pump of claims 1 to 3 any one of them, which is characterized in that also turn on the pump housing (1)
Dynamic to be provided with the bent axle (7) being connect with power source, the bent axle (7) includes several crank arms (71), adjacent two pairs of crank arms
(71) it is connected by trunnion (72) and is arranged in angle, rod journal (73), the company are provided between each pair of crank arm (71)
Rotation is provided with several connecting rods (8) on bar axle journal (73), and the connecting rod (8) is rotatablely connected with the crushing block (3).
6. according to a kind of straight line peristaltic pump of claims 1 to 3 any one of them, which is characterized in that also turn on the pump housing (1)
Dynamic to be provided with the eccentric wheel rim (9) being connect with power source, the bias wheel rim (9) is if internal be provided with along the radial also sliding of shaft
The dry mandril (10) contacted with its inner surface, the mandril (10) connect the crushing block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737565.3U CN207761916U (en) | 2017-12-13 | 2017-12-13 | Linear hose pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737565.3U CN207761916U (en) | 2017-12-13 | 2017-12-13 | Linear hose pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207761916U true CN207761916U (en) | 2018-08-24 |
Family
ID=63186876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737565.3U Active CN207761916U (en) | 2017-12-13 | 2017-12-13 | Linear hose pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207761916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113100915A (en) * | 2021-03-18 | 2021-07-13 | 南昌华安众辉健康科技有限公司 | Anti-blocking electrotome pen and system thereof |
| CN113186095A (en) * | 2021-04-28 | 2021-07-30 | 重庆大学 | Continuous hydrolysis reactor and method based on small intestine bionics |
| CN114349581A (en) * | 2021-12-22 | 2022-04-15 | 温州科技职业学院 | Surplus rubbish diolame controlled release fertilizer processingequipment of meal |
-
2017
- 2017-12-13 CN CN201721737565.3U patent/CN207761916U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113100915A (en) * | 2021-03-18 | 2021-07-13 | 南昌华安众辉健康科技有限公司 | Anti-blocking electrotome pen and system thereof |
| CN113186095A (en) * | 2021-04-28 | 2021-07-30 | 重庆大学 | Continuous hydrolysis reactor and method based on small intestine bionics |
| CN114349581A (en) * | 2021-12-22 | 2022-04-15 | 温州科技职业学院 | Surplus rubbish diolame controlled release fertilizer processingequipment of meal |
| CN114349581B (en) * | 2021-12-22 | 2022-11-25 | 温州科技职业学院 | Surplus rubbish diolame controlled release fertilizer processingequipment of meal |
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