CN114837919A - Peristaltic pump with low deformation hose - Google Patents
Peristaltic pump with low deformation hose Download PDFInfo
- Publication number
- CN114837919A CN114837919A CN202210670675.1A CN202210670675A CN114837919A CN 114837919 A CN114837919 A CN 114837919A CN 202210670675 A CN202210670675 A CN 202210670675A CN 114837919 A CN114837919 A CN 114837919A
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- China
- Prior art keywords
- pump
- hose
- peristaltic pump
- external
- low deformation
- 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.)
- Pending
Links
- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 73
- 238000005086 pumping Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000005065 mining Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Images
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
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The embodiment of the invention provides a peristaltic pump with a low-deformation hose, and relates to the technical field of peristaltic pumps. This peristaltic pump includes the pump body, pump liquid pipe, pump head rotor and hose, and pump liquid pipe installs in the pump body, and the pump head rotor rotationally installs in the pump body, and is used for butt pump liquid pipe, and the hose sets up in pump liquid pipe, and wherein, the hardness of hose is less than the hardness of pump liquid pipe, and the pump head rotor is at the rotation in-process, and is less to the extrusion deformation of pump liquid pipe, and then makes the deformation of hose diminish, has reduced the deformation of taking the hose when the pump head rotor rotates, guarantees the normal transportation of liquid in the hose.
Description
Technical Field
The invention relates to the technical field of peristaltic pumps, in particular to a peristaltic pump with a low-deformation hose.
Background
Peristaltic pumps move forward as a finger squeezes a fluid filled hose, sliding the fluid in the tube forward. Peristaltic pumps are also the principle only replacing the fingers with rollers. The fluid is pumped by alternately squeezing and releasing the flexible delivery hose of the pump. Just like squeezing the hose with two fingers, as the fingers move, negative pressure is formed in the hose, and the liquid flows along with the negative pressure. The peristaltic pump is widely applied to the chemical industry, the mining industry, the metallurgy industry, the papermaking industry, the pharmaceutical industry, the medical appliance industry and the like.
In the prior art, during the working process of the peristaltic pump, the deformation of the hose is large, so that the liquid transportation in the hose is influenced.
Disclosure of Invention
The invention provides a peristaltic pump with a low-deformation hose, which can reduce the deformation of the hose and ensure the normal transportation of liquid in the hose.
Embodiments of the invention may be implemented as follows:
embodiments of the present invention provide a peristaltic pump having a low deformation amount of a hose, comprising:
a pump body;
a pumping liquid pipe mounted to the pump body;
a pump head rotor rotatably mounted to the pump body and adapted to abut a pump fluid tube; and
a hose disposed within the pump fluid tube, the hose having a hardness less than a hardness of the pump fluid tube.
Optionally, the outer wall of the hose and the inner wall of the pump fluid tube are spaced apart.
Optionally, the pump-up tube and the hose are both cylindrical tubes.
Optionally, the length of the pump-liquid tube and the length of the hose are equal.
Optionally, the peristaltic pump still includes fixed joint, be equipped with the lug on the pump body, fixed joint cup joint in the tip of pump liquid pipe, fixed joint's outer wall is equipped with the draw-in groove, the lug with the draw-in groove cooperation, so that fixed joint butt is in the outer wall of the pump body.
Optionally, the number of the clamping grooves is multiple, and the plurality of clamping grooves are arranged on the outer wall of the fixed joint at intervals.
Optionally, the fixed joint is a circular hollow column, and the plurality of clamping grooves are uniformly formed in the outer wall of the fixed joint along the axial lead of the fixed joint.
Optionally, the peristaltic pump further comprises an external pipeline, and the external pipeline is communicated with one end, far away from the pump liquid pipe, of the fixed joint.
Optionally, the external pipeline comprises an external joint and an external pipeline, and the external pipeline, the external joint and the hose are sequentially communicated;
the diameter of the outer joint is larger than that of the outer pipeline.
Optionally, one end of the outer joint far away from the outer pipeline is fitted in the fixed joint, and one end of the outer joint far away from the outer pipeline abuts against the end of the pump liquid pipe.
The beneficial effects of the peristaltic pump with the low deformation amount hose of the embodiment of the invention include, for example:
the embodiment of the invention provides a peristaltic pump with a low-deformation hose, which comprises a pump body, a pump liquid pipe, a pump head rotor and a hose, wherein the pump liquid pipe is arranged on the pump body, the pump head rotor is rotatably arranged on the pump body and is used for abutting against the pump liquid pipe, and the hose is arranged in the pump liquid pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a peristaltic pump provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a pump body provided in an embodiment of the present invention;
FIG. 3 is a partial exploded view of a peristaltic pump provided in an embodiment of the present invention;
fig. 4 is a partial cross-sectional view of a peristaltic pump provided in an embodiment of the present invention.
Icon: 1000-peristaltic pump; 100-a pump body; 110-a limit bayonet; 200-a liquid pumping tube; 300-a pump head rotor; 400-a hose; 500-bumps; 600-a fixed joint; 610-card slot; 700-external pipeline; 710-an outer joint; 720-outer line.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Peristaltic pumps move forward as a finger squeezes a fluid filled hose, sliding the fluid in the tube forward. Peristaltic pumps are also the principle only replacing the fingers with rollers. The fluid is pumped by alternately squeezing and releasing the flexible delivery hose of the pump. Just like squeezing the hose with two fingers, as the fingers move, negative pressure is formed in the hose, and the liquid flows along with the negative pressure. It is widely applied to the chemical industry, mining industry, metallurgical industry, paper making industry, pharmaceutical industry, medical appliance industry and the like. And peristaltic pumps have many advantages, for example, no contamination: the fluid only contacts the pump pipe and does not contact the pump body; the precision is high: the repeatability precision and the stability precision are high; low shear force: the device is an ideal tool for conveying shear-sensitive and highly-erosive fluid; the leakproofness is good: the self-priming pump has good self-priming capability, can idle and prevent backflow; the maintenance is simple: there is no valve and seal.
Among the prior art, the peristaltic pump is in the course of the work, because the deformation volume of hose is great, can influence the liquid transportation in the hose, simultaneously, the peristaltic pump during operation, the pump head rotor of peristaltic pump can rotate because of the work of peristaltic pump, and then drives the hose removal of peristaltic pump to the hose can not be relatively stable in the peristaltic pump, and causes the deformation of hose, further influences the transmission of the interior liquid of hose.
In view of the above, referring to fig. 1-4, a peristaltic pump 1000 having a low deformation amount hose according to an embodiment of the present invention can solve this problem, which will be described in detail below.
Referring to fig. 1, an embodiment of the present invention provides a peristaltic pump 1000 with a low deformation amount flexible tube, the peristaltic pump 1000 with a low deformation amount flexible tube includes a pump body 100, a pump liquid tube 200, a pump head rotor 300 and a flexible tube 400, the pump liquid tube 200 is mounted on the pump body 100, the pump head rotor 300 is rotatably mounted on the pump body 100 and is used for abutting against the pump liquid tube 200, the flexible tube 400 is disposed in the pump liquid tube 200, wherein the hardness of the flexible tube 400 is less than that of the pump liquid tube 200, one end of the flexible tube 400 is used for feeding liquid, and the other end of the flexible tube 400 is used for discharging liquid. It should be noted that the "hose with a low deformation amount" herein refers to a hose with a smaller deformation amount than the hose of the related art.
Specifically, the hose 400 may be made of a material with a relatively small hardness, such as TPU, TPE, natural latex or silicone, the hose 400 has a hardness of 30-70A, the liquid pumping tube 200 may be made of TPU, silicone or nylon, and the liquid pumping tube 200 has a hardness of 90-95A, wherein the pump head rotor 300 may be a multi-roller rotor in the prior art, for example, a rotor with three rollers distributed at 120 degrees.
Like this pump head rotor 300 is at the rotation in-process, and is less to the extrusion deformation of pump liquid pipe 200, and then makes the deformation of hose 400 diminish to reduce the deformation that brings hose 400 when pump head rotor 300 rotates, guarantee the normal transportation of the liquid in the hose 400.
Referring to fig. 2 and 3, in the present embodiment, in order not to affect the normal driving of the liquid flowing in the flexible tube 400 by the flexible tube 400, the outer wall of the flexible tube 400 is spaced from the inner wall of the pump-liquid tube 200, the pump-liquid tube 200 and the flexible tube 400 are both cylindrical tubes, and the length of the pump-liquid tube 200 is equal to the length of the flexible tube 400.
Specifically, the diameter of the outer wall of the flexible tube 400 is smaller than the diameter of the inner wall of the pump-liquid tube 200, for example, the outer diameter of the flexible tube 400 is 6.4mm, the inner diameter of the pump-liquid tube 200 is 8mm, and the outer diameter of the pump-liquid tube 200 is 11mm, so that the flexible tube 400 is not deformed beyond a desired range due to the gap between the flexible tube 400 and the pump-liquid tube 200, and at the same time, the flexible tube 400 is allowed to move freely without affecting the flow of the liquid carried by the flexible tube 400, and of course, the gap between the flexible tube 400 and the pump-liquid tube 200 is not too large, and if the gap is too large, the flexible tube 400 may not be moved by the peristaltic force of the pump-liquid tube 200, so that the intended purpose of use of the transported liquid cannot be completed.
In order to fix the liquid pumping tube 200 on the pump body 100, the peristaltic pump 1000 further includes a fixing connector 600, the pump body 100 is provided with a protrusion 500, the outer wall of the pump body 100 and the protrusion 500 define a limiting bayonet 110 therebetween, wherein the fixing connector 600 is sleeved on the end portion of the liquid pumping tube 200, the outer wall of the fixing connector 600 is provided with a clamping groove 610, and the protrusion 500 is matched with the clamping groove 610, so that the fixing connector 600 abuts against the outer wall of the pump body 100 and is clamped on the limiting bayonet 110.
Specifically, in order to conveniently limit and fix both ends of the pump liquid tube 200, the number of the protrusions 500 is two, and the protrusions are distributed on both sides of the pump body 100, the number of the fixing joints 600 is also two, and the pump liquid tube 200 is fixed between the two fixing joints 600.
In order to match the fixed joint 600 with the bump 500 conveniently, the fixed joint 600 is a circular hollow column, the number of the clamping grooves 610 is multiple, the clamping grooves 610 are arranged on the outer wall of the fixed joint 600 at intervals, specifically, in this embodiment, the number of the clamping grooves 610 is three, and the three clamping grooves 610 are evenly arranged on the outer wall of the fixed joint 600 along the axial line of the fixed joint 600.
In addition, in order to facilitate the transportation of liquid, the peristaltic pump 1000 with a low deformation flexible tube further includes an external tube 700, the external tube 700 is communicated with one end of the fixed joint 600 away from the liquid pumping tube 200, specifically, the number of the external tube bodies is two, one of the external tube 700 is communicated with the liquid inlet of the flexible tube 400, and the other external tube 700 is communicated with the liquid outlet of the flexible tube 400.
Referring to fig. 4 in combination with fig. 3, in order to facilitate installation of the external pipe 700, the external pipe 700 specifically includes an external joint 710 and an external pipe 720, wherein, the outer pipeline 720 is used for connecting a liquid pipe or a liquid container to realize the transportation of liquid, the diameter of the outer joint 710 is larger than that of the outer pipeline 720, wherein, one end of the external joint 710 far away from the external pipeline 720 is fitted in the fixed joint 600, and one end of the external connector 710 far from the external pipe 720 is abutted against the end of the liquid pumping pipe 200, and at the same time, since the ends of the pump line 200 and the hose 400 on the same side are coplanar, the end of the external joint 710 remote from the external pipe 720 also abuts against the end of the hose 400, so that the outer pipe 720, the outer joint 710 and the hose 400 are sequentially communicated, and the leakage of the transferred liquid is prevented, in this embodiment, the external connection pipe is a cylindrical pipe body, the external diameter of the external connection pipe is greater than the external diameter of the hose 400, and the hardness of the external connection pipe is greater than the hardness of the hose 400.
To sum up, this peristaltic pump 1000 with low deformation hose includes the pump body 100, pump liquid pipe 200, pump head rotor 300 and hose 400, pump liquid pipe 200 installs in the pump body 100, pump head rotor 300 rotationally installs in the pump body 100, and be used for butt pump liquid pipe 200, hose 400 sets up in pump liquid pipe 200, wherein, the hardness of hose 400 is less than the hardness of pump liquid pipe 200, like this pump head rotor 300 is in the rotation process, extrusion deformation to pump liquid pipe 200 is less, and then make the deformation of hose 400 diminish, in order to reduce the deformation that pump head rotor 300 brought hose 400 when rotating, guarantee the normal transportation of the liquid in the hose 400.
The outer wall of hose 400 and the inner wall interval of pump liquid pipe 200, and pump liquid pipe 200 and hose 400 are the cylinder pipe, and the length of pump liquid pipe 200 equals with the length of hose 400, because have the clearance between hose 400 and the pump liquid pipe 200, the deformation of hose 400 can not exceed the expectation scope, leaves the free space for hose 400 simultaneously to do not influence the flow that hose 400 drove liquid.
Meanwhile, the peristaltic pump 1000 with the low-deformation hose comprises a fixed joint 600, a bump 500 is arranged on the pump body 100, a limiting bayonet 110 is defined between the bump 500 and the outer wall of the pump body 100, wherein the fixed joint 600 is sleeved on the end part of the pump liquid pipe 200, a clamping groove 610 is arranged on the outer wall of the fixed joint 600, and the bump 500 is matched with the clamping groove 610, so that the fixed joint 600 is abutted against the outer wall of the pump body 100 and clamped on the limiting bayonet 110, and the hose 400 can be relatively stably arranged on the pump body 100.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A peristaltic pump having a low deformation flexible tube, comprising:
a pump body (100);
a pumping tube (200), the pumping tube (200) being mounted to the pump body (100);
a pump head rotor (300), the pump head rotor (300) being rotatably mounted to the pump body (100) and adapted to abut a pump fluid tube (200); and
a hose (400), the hose (400) being disposed within the pumping tube (200), the hose (400) having a hardness less than a hardness of the pumping tube (200).
2. Peristaltic pump with a low deformation amount of hose according to claim 1, characterized in that the outer wall of said hose (400) is spaced from the inner wall of said pumping tube (200).
3. Peristaltic pump with a low deformation hose according to claim 2, characterized in that said pumping tube (200) and said hose (400) are both cylindrical tubes.
4. Peristaltic pump with a low deformation hose according to claim 3, characterized in that the length of said pumping tube (200) and the length of said hose (400) are equal.
5. The peristaltic pump with the low deformation hose is characterized in that the peristaltic pump further comprises a fixed joint (600), a bump (500) is arranged on the pump body (100), the fixed joint (600) is sleeved at the end of the pump liquid pipe (200), a clamping groove (610) is arranged on the outer wall of the fixed joint (600), and the bump (500) is matched with the clamping groove (610) so that the fixed joint (600) abuts against the outer wall of the pump body (100).
6. Peristaltic pump with a low deformation hose according to claim 5, characterized in that said plurality of slots (610) is provided in plurality, a plurality of said slots (610) being provided at intervals on an outer wall of said fixed joint (600).
7. The peristaltic pump with the low deformation amount hose as claimed in claim 6, wherein the fixed joint (600) is a circular hollow column, and the plurality of clamping grooves (610) are uniformly arranged on the outer wall of the fixed joint (600) along the axial line of the fixed joint (600).
8. Peristaltic pump with a low deformation hose according to claim 5, characterized in that it further comprises an external line (700), said external line (700) being in communication with the end of said fixed joint (600) remote from said pumping tube (200).
9. Peristaltic pump with a low deformation hose according to claim 8, characterized in that said external line (700) comprises an external joint (710) and an external line (720), said external joint (710), and said hose (400) being in communication in sequence;
the outer joint (710) has a diameter greater than a diameter of the outer tubing (720).
10. Peristaltic pump with a low deformation hose according to claim 9, characterized in that the end of said external joint (710) remote from said external pipe (720) is fitted inside said fixed joint (600) and the end of said external joint (710) remote from said external pipe (720) abuts against the end of said pumping tube (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670675.1A CN114837919A (en) | 2022-06-14 | 2022-06-14 | Peristaltic pump with low deformation hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670675.1A CN114837919A (en) | 2022-06-14 | 2022-06-14 | Peristaltic pump with low deformation hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114837919A true CN114837919A (en) | 2022-08-02 |
Family
ID=82573766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210670675.1A Pending CN114837919A (en) | 2022-06-14 | 2022-06-14 | Peristaltic pump with low deformation hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114837919A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107936A (en) * | 1986-12-31 | 1988-07-13 | 明尼苏达州采矿制造公司 | The pump head of peristaltic pump |
| US5468129A (en) * | 1994-08-05 | 1995-11-21 | Cole Parmer Instrument Company | Peristaltic pump |
| GB2418231A (en) * | 2004-09-15 | 2006-03-22 | Mark Hannah | Peristaltic pump tubing with leak detector |
| CN202300951U (en) * | 2011-10-31 | 2012-07-04 | 东莞东弘机电有限公司 | Improved peristaltic pump |
| US20170226995A1 (en) * | 2016-02-08 | 2017-08-10 | Ralf Hannibal | Peristaltic pump with oscillating drive and diverter fitting |
| CN110905784A (en) * | 2019-11-06 | 2020-03-24 | 刘国裕 | Low-loss peristaltic pump |
-
2022
- 2022-06-14 CN CN202210670675.1A patent/CN114837919A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107936A (en) * | 1986-12-31 | 1988-07-13 | 明尼苏达州采矿制造公司 | The pump head of peristaltic pump |
| US5468129A (en) * | 1994-08-05 | 1995-11-21 | Cole Parmer Instrument Company | Peristaltic pump |
| GB2418231A (en) * | 2004-09-15 | 2006-03-22 | Mark Hannah | Peristaltic pump tubing with leak detector |
| CN202300951U (en) * | 2011-10-31 | 2012-07-04 | 东莞东弘机电有限公司 | Improved peristaltic pump |
| US20170226995A1 (en) * | 2016-02-08 | 2017-08-10 | Ralf Hannibal | Peristaltic pump with oscillating drive and diverter fitting |
| CN110905784A (en) * | 2019-11-06 | 2020-03-24 | 刘国裕 | Low-loss peristaltic pump |
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