CN209892416U - Double-roller peristaltic pump with cylinder pressure pipe at center - Google Patents
Double-roller peristaltic pump with cylinder pressure pipe at center Download PDFInfo
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- CN209892416U CN209892416U CN201920415182.7U CN201920415182U CN209892416U CN 209892416 U CN209892416 U CN 209892416U CN 201920415182 U CN201920415182 U CN 201920415182U CN 209892416 U CN209892416 U CN 209892416U
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Abstract
A double-roller peristaltic pump with a cylinder pressure pipe in the center comprises a pump seat assembly, a driving assembly, a pre-pressing roller assembly and a pressure pipe roller assembly, wherein the pre-pressing roller assembly is used for limiting the position of a working hose and comprises a first pressure pipe roller, a roller seat, a cylinder and a second pressure pipe roller; the drive assembly comprises a rotating shaft seat and a drive power part, when the rotating shaft seat is driven by the drive power part to do reciprocating motion, a pre-pressing roller assembly fixed on the rotating shaft seat, a first pressure pipe roller and a second pressure pipe roller are synchronously reciprocated, and during the first pressure pipe roller reciprocating motion, a cylinder pushes the first pressure pipe roller to extrude a working hose to press the second pressure pipe roller to be close to the second pressure pipe roller to finish filling. The utility model has the advantages of simple and compact structure, reasonable layout, high precision and the like.
Description
Technical Field
The utility model relates to measurement, filling equipment field refer in particular to a two gyro wheel peristaltic pumps that pipe were pressed to cylinder in center area.
Background
With the development of the technology, the application of the single-head peristaltic pump is more and more extensive. However, the existing peristaltic pump technology still has the problems of low metering accuracy, easy abrasion of the inner wall of the hose, easy generation of falling objects and the like.
In the prior art of peristaltic pumps, a "pillow" of fluid is typically formed between two rollers, with the rollers alternately squeezing and releasing to pump the fluid. In the prior art of peristaltic pumps, two sides of a hose are provided with rollers and a fixed bottom plate. Microscopically, when the roller presses and attaches the front pipe wall to the rear pipe wall to move rightwards, the front pipe wall is driven by the roller to move rightwards, and the rear pipe wall is pressed to be attached to the fixed bottom plate, so that the friction force between the rear pipe wall and the fixed bottom plate is very large, the rear pipe wall is in a static state, the static rear pipe wall brings leftwards friction force to the front pipe wall moving rightwards, and the front pipe wall and the rear pipe wall move mutually to cause abrasion and even fall off.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a two gyro wheel peristaltic pumps that pipe are pressed to simple structure compactness, rationally distributed, high center area cylinder of precision.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a double-roller peristaltic pump with a cylinder pressure pipe in the center comprises a pump seat assembly, a driving assembly, a pre-pressing roller assembly and a pressure pipe roller assembly, wherein the pre-pressing roller assembly is used for limiting the position of a working hose, the pressure pipe roller assembly comprises a first pressure pipe roller, a roller seat, a cylinder and a second pressure pipe roller, the first pressure pipe roller is connected to the roller seat, the roller seat is fixedly connected with the cylinder, and the first pressure pipe roller and the second fixed pressure pipe roller are symmetrically arranged at the two sides of the working hose; the driving assembly comprises a rotating shaft seat and a driving power component, when the rotating shaft seat is driven by the driving power component to do reciprocating motion, a pre-pressing roller assembly, a first pressure pipe roller and a second pressure pipe roller which are arranged on the rotating shaft seat are fixed to do synchronous reciprocating motion, and during the reciprocating motion of the first pressure pipe roller, the cylinder pushes the first pressure pipe roller to extrude a working hose to press the second pressure pipe roller to be close to the second pressure pipe roller to finish filling.
As a further improvement of the utility model: the pump seat assembly comprises a pump cover, a joint mounting seat, a motor seat and two pipe joints, wherein the pump cover and the joint mounting seat are mounted on the motor seat, and the two pipe joints are respectively connected with two ends of a hose and fixed on the joint mounting seat.
As a further improvement of the utility model: the motor base is arranged on a fixed bedplate.
As a further improvement of the utility model: the drive assembly further comprises an air cylinder mounting plate, two side mounting plates and a rotating shaft cover plate, the drive power part is fixed on the motor base, the rotating shaft base is connected with the drive power part, the air cylinder mounting plate and the two side mounting plates are mounted on the rotating shaft base, and the rotating shaft cover plate is fixed on the upper portion of the air cylinder mounting plate.
As a further improvement of the utility model: the rotating shaft seat is connected with the driving power component through a key groove and a bolt.
As a further improvement of the utility model: and a cylinder in the pressure pipe roller assembly is fixed on the cylinder mounting plate.
As a further improvement of the utility model: the pre-pressing roller component comprises two or more groups of pre-pressing shafts, pre-pressing rollers and hose limiting components, and the pre-pressing shafts, the pre-pressing rollers and the hose limiting components are fixed between the rotating shaft seat and the rotating shaft cover plate.
As a further improvement of the utility model: the first pressure pipe roller is connected to the roller seat through a roller shaft and a bearing.
As a further improvement of the utility model: the second pressure pipe roller is a roller with a fixed position.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a two gyro wheels peristaltic pump that pipe was pressed to cylinder is taken at center, simple structure is compact, rationally distributed, and the two gyro wheels in this structure are pressed the tubular construction and can obviously reduce hose inner wall wearing and tearing or drop. When a first pressure pipe roller and a second pressure pipe roller which are symmetrically distributed on two sides of the hose compress the hose and then move synchronously, the first pressure pipe roller and the second fixed roller respectively drive one pipe wall to move towards the same direction; therefore, the inner pipe walls on the two sides do not move relatively, and relative friction does not exist, so that the abrasion or falling off of the inner wall of the hose can be greatly reduced.
Drawings
Fig. 1 is a schematic sectional view of the structure of the present invention in a front view according to an embodiment of the present invention.
Fig. 2 is a schematic top sectional view of the structure of an embodiment of the present invention.
Illustration of the drawings:
1. a pump mount assembly; 2. a drive assembly; 3. pre-pressing roller components; 4. pressing a pipe roller assembly; 5. a pump cover; 6. a joint mount; 7. a motor base; 8. a pipe joint; 9. a rotating shaft seat; 10. a drive power component; 11. a cylinder mounting plate; 12. a side mounting plate; 13. a rotating shaft cover plate; 14. pre-pressing the shaft; 15. pre-pressing the roller; 16. a hose limiting assembly; 17. pressing a pipe roller; 18. a roller shaft; 19. a roller seat; 20. a cylinder; 21. and the second pressure pipe roller.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
As shown in fig. 1 and fig. 2, the utility model discloses a two roller peristaltic pumps that pipe are pressed to cylinder are taken to center, including pump base subassembly 1, drive assembly 2, pre-compaction roller components 3 and press pipe roller components 4, pre-compaction roller components 3 are used for restricting the position of working hose, press pipe roller components 4 to include that first pipe roller 17, roller seat 19, cylinder 20 and the second press pipe gyro wheel 21, first pipe roller 17 of pressing is connected on roller seat 19 through roller shaft 18 and bearing, roller seat 19 and cylinder 20 fixed connection, and cylinder 20 is fixed on cylinder mounting panel 11, and first pipe roller 17 and the second pipe roller 21 of pressing are symmetrical arrangement in working hose both sides position. The driving assembly 2 comprises a rotating shaft seat 9 and a driving power component 10, when the rotating shaft seat 9 is driven by the driving power component 10 to do reciprocating motion, a pre-pressing roller assembly 3 fixed on the rotating shaft seat 9, a first pipe pressing roller 17 and a second pipe pressing roller 21 also perform synchronous reciprocating motion, during the reciprocating motion of the first pipe pressing roller 17, a cylinder 20 pushes the first pipe pressing roller 17 to press a working hose to press the second pipe pressing roller 21 to be close to the hose until the hose is pressed for filling, and after filling is finished, the cylinder 20 contracts and presses the pipe pressing roller to release the working hose.
In this embodiment, the second pressing pipe roller 21 is a roller with a fixed position.
In this embodiment, the pump mount assembly 1 includes a pump cover 5, a joint mount 6, a motor mount 7, and a pipe joint 8. Motor cabinet 7 can install on a fixed platen, and pump cover 5 and joint mount pad 6 are installed on motor cabinet 7, and two coupling 8 connect the both ends of a hose respectively and fix on joint mount pad 6, because coupling 8 position is fixed, so when the gyro wheel extrudeed the hose, the hose has not drunkenness by a wide margin, is favorable to the improvement of precision.
In this embodiment, the driving assembly 2 further includes a cylinder mounting plate 11, two side mounting plates 12, and a rotating shaft cover plate 13. The driving power component 10 is fixed on the motor base 7, the rotating shaft base 9 is connected with the driving power component 10 through a key groove and a bolt, the cylinder mounting plate 11 and the two side mounting plates 12 are mounted on the rotating shaft base 9, and the rotating shaft cover plate 13 is fixed on the upper portion of the cylinder mounting plate 11.
In this embodiment, the second pressing pipe roller 21 is fixed between the rotating shaft seat 9 and the rotating shaft cover plate 13.
In this embodiment, the pre-pressing roller assembly 3 is used to limit the position of the working hose, and includes two or more sets of pre-pressing shafts 14, pre-pressing rollers 15, and hose limiting assemblies 16. The prepressing shaft 14, the prepressing roller 15 and the hose limiting assembly 16 are fixed between the rotating shaft seat 9 and the rotating shaft cover plate 13.
During operation, when pivot seat 9 was driven by drive power unit 10 and is made reciprocating motion, fix prepressing roller 15 on pivot seat 9 and press pipe gyro wheel 17 and the fixed pipe gyro wheel 21 also synchronous reciprocating motion of pressing, press pipe gyro wheel 17 reciprocating motion period, cylinder 20 promotes to press pipe gyro wheel 17 to extrude the hose and press pipe gyro wheel 21 to the fixed pipe to be close to until the hose is compressed tightly in order to carry out the filling, after the filling, the cylinder shrink presses pipe gyro wheel release hose.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (9)
1. A double-roller peristaltic pump with a cylinder at the center comprises a pump seat assembly (1), a driving assembly (2), a pre-pressing roller assembly (3) and a pipe pressing roller assembly (4), wherein the pre-pressing roller assembly (3) is used for limiting the position of a working hose, and the double-roller peristaltic pump is characterized in that the pipe pressing roller assembly (4) comprises a first pipe pressing roller (17), a roller seat (19), a cylinder (20) and a second pipe pressing roller (21), the first pipe pressing roller (17) is connected to the roller seat (19), the roller seat (19) is fixedly connected with the cylinder (20), and the first pipe pressing roller (17) and the second pipe pressing roller (21) are symmetrically arranged at the two sides of the working hose; drive assembly (2) are including pivot seat (9) and drive power part (10), pivot seat (9) are fixed when reciprocating motion is made under the drive of drive power part (10) prepressing roller assembly (3), first pressure pipe gyro wheel (17), the second on pivot seat (9) are pressed and are pressed gyro wheel (21) synchronous reciprocating motion also, during first pressure pipe gyro wheel (17) reciprocating motion, cylinder (20) promote first pressure pipe gyro wheel (17) and are extruding work hose and press gyro wheel (21) to the second and be close to and accomplish the filling.
2. The double-roller peristaltic pump with the cylinder pressure pipe in the center is characterized in that the pump base assembly (1) comprises a pump cover (5), a joint mounting base (6), a motor base (7) and two pipe joints (8), wherein the pump cover (5) and the joint mounting base (6) are mounted on the motor base (7), and the two pipe joints (8) are respectively connected with two ends of a hose and fixed on the joint mounting base (6).
3. The double-roller peristaltic pump with a central cylinder pressure tube according to claim 2, characterized in that said motor base (7) is mounted on a fixed platen.
4. The double-roller peristaltic pump with the cylinder pressure pipe in the center is characterized in that the driving assembly (2) further comprises a cylinder mounting plate (11), two side mounting plates (12) and a rotating shaft cover plate (13), the driving power part (10) is fixed on the motor base (7), the rotating shaft base (9) is connected with the driving power part (10), the cylinder mounting plate (11) and the two side mounting plates (12) are mounted on the rotating shaft base (9), and the rotating shaft cover plate (13) is fixed on the upper portion of the cylinder mounting plate (11).
5. The double-roller peristaltic pump with a central cylinder pressure pipe according to claim 4, characterized in that the rotating shaft seat (9) is connected with the driving power component (10) through a key slot and a bolt.
6. The double-roller peristaltic pump with a central cylinder pressure pipe according to claim 4, wherein the cylinders (20) in the pressure pipe roller assembly (4) are fixed on a cylinder mounting plate (11).
7. The double-roller peristaltic pump with the cylinder pressure pipe in the center is characterized in that the prepressing roller assembly (3) comprises two or more groups of prepressing shafts (14), prepressing rollers (15) and hose limiting assemblies (16), and the prepressing shafts (14), the prepressing rollers (15) and the hose limiting assemblies (16) are fixed between the rotating shaft seat (9) and the rotating shaft cover plate (13).
8. A central cylinder tube-in-tube double roller peristaltic pump according to any one of claims 1 to 6, wherein the first tube roller (17) is connected to a roller mount (19) by means of a roller shaft (18) and a bearing.
9. A double roller peristaltic pump with a central cylinder pressure tube according to any one of claims 1 to 6, characterized in that said second pressure tube roller (21) is a fixed-position roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415182.7U CN209892416U (en) | 2019-03-29 | 2019-03-29 | Double-roller peristaltic pump with cylinder pressure pipe at center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415182.7U CN209892416U (en) | 2019-03-29 | 2019-03-29 | Double-roller peristaltic pump with cylinder pressure pipe at center |
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| Publication Number | Publication Date |
|---|---|
| CN209892416U true CN209892416U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920415182.7U Active CN209892416U (en) | 2019-03-29 | 2019-03-29 | Double-roller peristaltic pump with cylinder pressure pipe at center |
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| CN (1) | CN209892416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043454A (en) * | 2019-03-29 | 2019-07-23 | 长沙执先智量科技股份有限公司 | A kind of double rollers peristaltic pump of center band cylinder pressure pipe |
-
2019
- 2019-03-29 CN CN201920415182.7U patent/CN209892416U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043454A (en) * | 2019-03-29 | 2019-07-23 | 长沙执先智量科技股份有限公司 | A kind of double rollers peristaltic pump of center band cylinder pressure pipe |
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