CN204493147U - Peristaltic pump and infusion pump - Google Patents
Peristaltic pump and infusion pump Download PDFInfo
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- CN204493147U CN204493147U CN201420865713.XU CN201420865713U CN204493147U CN 204493147 U CN204493147 U CN 204493147U CN 201420865713 U CN201420865713 U CN 201420865713U CN 204493147 U CN204493147 U CN 204493147U
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- eccentric wheel
- wheel unit
- peristaltic pump
- detection device
- duplex eccentric
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Abstract
The utility model discloses a kind of peristaltic pump and infusion pump, described peristaltic pump comprises housing, rotate the rotating shaft being installed on described housing, be installed on the array duplex eccentric wheel in described rotating shaft, be installed on the first detection device in described rotating shaft, be installed on the second detection device of described body, often organize duplex eccentric wheel and comprise N number of duplex eccentric wheel unit, the angle of 360/N degree is formed between the center of circle of adjacent two duplex eccentric wheel unit and axial connecting line, duplex eccentric wheel unit described in each is provided with two peristaltic tablets, described first detection device is provided with the first detecting position of a corresponding duplex eccentric wheel unit, described second detection device is provided with N number of second detecting position of each duplex eccentric wheel unit corresponding.The utility model is matched with second detection device by the first detection device, realizes the accurate control to peristaltic pump, makes to be connected steadily with the transfusion speed of the infusion pump of this peristaltic pump, and flow speed stability, effectively ensures transfusion precision, improve the Security of infusion pump.
Description
Technical field
The utility model relates to field of medical device, particularly relates to a kind of peristaltic pump and infusion pump.
Background technique
In the medical field, infusion pump is often by the peristalsis frequency controlling peristaltic pump, thus the transfusion speed realized under infusion pump friction speed or different mode and transfusion precision, in prior art, number of revolution often by record motor calculates peristalsis frequency, thus obtain amount of infusion and transfusion speed, thus each infusion process is exactly the cumulative of peristaltic pump one wriggling cycle amount of infusion, but in actual applications, this infusion liquid drop count pattern and peristaltic pump mechanism often cause infusion pump transfusion precision low (especially under low speed pattern, transfusion precision is difficult to ensure and effectively control), infuse not steady, in the single same period, amount of infusion and transfusion speed change greatly.
In the medical field, infusion pump is when (especially under large velocity mode) runs work, just obviously can see that transfusion speed is very not steady by naked eyes, infusion flow rate can obviously be found out fluctuated, and in the handoff procedure that the end of peristaltic pump one-period started to another cycle, transfusion speed is connected steadily, change in flow is large, periodically clearly.There is security risk in this phenomenon, may cause user serious uncomfortable time serious.
In the medical field, the peristalsis frequency feeler mechanism of peristaltic pump, often by the output revolutions of single photoelectric sensor or the simple record motor of other sense cell (such as Hall element etc.), and cannot the accurately position of arbitrary time point peristaltic tablet (fork sheet) and speed in the detection and control single cycle.
Model utility content
Main purpose of the present utility model is to provide a kind of peristaltic pump, is intended to solve the technical problem that existing peristaltic pump accurately can not control wriggling precision.
For achieving the above object, the utility model provides a kind of peristaltic pump, described peristaltic pump comprises housing, rotate the rotating shaft being installed on described housing, be installed on the array duplex eccentric wheel in described rotating shaft, be installed on the first detection device in described rotating shaft, be installed on the second detection device of described rotating shaft, often organize duplex eccentric wheel and comprise N number of duplex eccentric wheel unit, the angle of 360/N degree is formed between the center of circle of adjacent two duplex eccentric wheel unit and axial connecting line, duplex eccentric wheel unit described in each is provided with two peristaltic tablets, described first detection device is provided with the first detecting position of a corresponding duplex eccentric wheel unit, described second detection device is provided with N number of second detecting position of each duplex eccentric wheel unit corresponding.
Preferably, described first detection device comprises the first detection lug of being fixedly installed in described rotating shaft and is fixedly installed in the first sensor matched on described housing and with described first detection lug, described first detection lug is provided with an opening, described first sensor is arranged in " U " shape, when the opening of described first detection lug is positioned at described first sensor, described first detection device is in described first detecting position.
Preferably, described second detection device comprises the second detection lug of being fixedly installed in described rotating shaft and is fixedly installed in the second sensor matched on described housing and with described second detection lug, described second detection lug is evenly distributed with N number of blade, described second sensor is arranged in " U " shape, when described blade is positioned at described second sensor, described second detection device is positioned at described second detecting position.
Preferably, described second detection device comprises the second detection lug of being fixedly installed in described rotating shaft and is fixedly installed in the second sensor matched on described housing and with described second detection lug, described second detection lug is evenly distributed with N number of blade, described second sensor is arranged in " U " shape, when breach between described blade is positioned at described second sensor, described second detection device is positioned at described second detecting position.
Preferably, described duplex eccentric wheel unit is provided with axis hole, and an end face of described duplex eccentric wheel unit is provided with lug boss, other end is provided with the depressed part suitable with described lug boss, described lug boss and described depressed part are crisscross arranged, after fitting together to make adjacent two duplex eccentric wheel unit, between the two duplex eccentric wheel unit centers of circle and axial connecting line, be formed with the angle of 360/N degree.
Preferably, described peristaltic pump also comprises the jump ring being located at array duplex eccentric wheel two ends.
Preferably, described peristaltic pump also comprise the follower be fixedly installed in described rotating shaft, the driving wheel that is in transmission connection with described follower and the motor be fixedly connected with described driving wheel.
In addition, to achieve these goals, the utility model also provides a kind of infusion pump, described infusion pump comprises body and is installed on the peristaltic pump on described body, described peristaltic pump comprises housing, rotate the rotating shaft being installed on described housing, be installed on the array duplex eccentric wheel in described rotating shaft, be installed on the first detection device in described rotating shaft, be installed on the second detection device of described rotating shaft, often organize duplex eccentric wheel and comprise N number of duplex eccentric wheel unit, the angle of 360/N degree is formed between the center of circle of adjacent two duplex eccentric wheel unit and axial connecting line, duplex eccentric wheel unit described in each is provided with two peristaltic tablets, described first detection device is provided with the first detecting position of a corresponding duplex eccentric wheel unit, described second detection device is provided with N number of second detecting position of each duplex eccentric wheel unit corresponding.
Peristaltic pump of the present utility model and infusion pump, matched with second detection device by the first detection device, to realize the validity monitoring of the particular location of each duplex eccentric wheel unit, and then the accurate control realized peristaltic pump, make to be connected steadily with the transfusion speed of the infusion pump of this peristaltic pump, flow speed stability, effectively ensures transfusion precision, improves the Security of infusion pump.
Accompanying drawing explanation
Fig. 1 is the part section structural representation of the utility model peristaltic pump;
Fig. 2 is the plane structure schematic diagram of the first detection lug of the utility model peristaltic pump;
Fig. 3 is the plane structure schematic diagram of the second detection lug of the utility model peristaltic pump;
Fig. 4 is the assembling generalized section of the utility model peristaltic pump duplex eccentric wheel and peristaltic tablet;
Fig. 5 is the plane structure schematic diagram of the duplex eccentric wheel unit of the utility model peristaltic pump.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of peristaltic pump, referring to figs. 1 through Fig. 3, in one embodiment, described peristaltic pump comprises housing 100, rotate the rotating shaft 200 being installed on described housing 100, be installed on the array duplex eccentric wheel 300 in described rotating shaft 200, be installed on the first detection device 400 in described rotating shaft 200, be installed on the second detection device 500 of described rotating shaft 200, often organize duplex eccentric wheel 300 and comprise N number of duplex eccentric wheel unit 302, the angle of 360/N degree is formed between the center of circle of adjacent two duplex eccentric wheel unit 302 and axial connecting line, duplex eccentric wheel unit 302 described in each is provided with two peristaltic tablets 304, described first detection device 400 is provided with the first detecting position of a corresponding duplex eccentric wheel unit 302, described second detection device 500 is provided with N number of second detecting position of each duplex eccentric wheel unit corresponding.Described first detection device 400 comprises the first detection lug 420 of being fixedly installed in described rotating shaft 200 and is fixedly installed in the first sensor 440 matched on described housing 100 and with described first detection lug 420, described first detection lug 420 is provided with an opening 422, described first sensor 440 is arranged in " U " shape, when the opening 422 of described first detection lug 420 is positioned at described first sensor 440, described first detection device 400 is in described first detecting position.Described second detection device 500 comprises the second detection lug 520 of being fixedly installed in described rotating shaft 200 and is fixedly installed in the second sensor 540 matched on described housing and with described second detection lug 520, described second detection lug 520 is evenly distributed with N number of blade 542, described second sensor 540 is arranged in " U " shape, when described blade 542 is positioned at described second sensor 540, described second detection device 500 is positioned at described second detecting position.
Particularly, to have one group of duplex eccentric wheel, and this group duplex eccentric wheel comprises six duplex eccentric wheel unit 302 for example is described, wherein, six duplex eccentric wheel unit 302 called after first duplex eccentric wheel unit 321, second duplex eccentric wheel unit the 322, the 3rd duplex eccentric wheel unit the 323, the 4th duplex eccentric wheel unit the 324, the 5th duplex eccentric wheel unit the 325, the 6th duplex eccentric wheel unit 326 respectively, so, the angle of 60 degree is formed between the center of circle of the first duplex eccentric wheel unit 321 and the second duplex eccentric wheel unit 322 and axial connecting line, the angle of 60 degree is formed between the center of circle of the second duplex eccentric wheel unit 322 and the 3rd duplex eccentric wheel unit 323 and axial connecting line, by that analogy, the angle of 60 degree is formed between the center of circle of described 6th duplex eccentric wheel unit 326 and the 5th duplex eccentric wheel unit 325 and axial connecting line, namely, the angle of 360 degree is formed between the center of circle of described 6th duplex eccentric wheel unit 326 and the first duplex eccentric wheel unit 321 and axial connecting line, also namely the 6th duplex eccentric wheel unit 326 is identical with the position of a duplex eccentric wheel unit, setting described first detecting position is corresponding first duplex eccentric wheel unit 321 position of described first detection device 400, namely, when described opening 422 is positioned at described first sensor 440 (first sensor 440 can receive optical signal), described first duplex eccentric wheel unit 321 rotate to specific position (as, from axle center, one end farthest rotates the position etc. to bottom), simultaneously, described second detection device 500 is positioned at the second detecting position (the second sensor 540 can not receive optical signal), namely blade 542 is had to be positioned at described second sensor 540, so just can determine the rotational position of the first duplex eccentric wheel unit 321, and then extrapolate the rotational position of the 6th duplex eccentric wheel unit 326 of the second duplex eccentric wheel unit 322, along with the continuation of rotating shaft 200 rotates, described blade 542 is selected by described second sensor 540, at this moment, second sensor 540 can receive optical signal, then next blade 542 enters in described second sensor 540, described second sensor 540 can not receive optical signal, at this moment then show that one end farthest rotates the position to bottom to the second duplex eccentric wheel unit 322 from axle center, by that analogy, then validity can monitor the particular location of each duplex eccentric wheel unit, and then the accurate control realized peristaltic pump, make to be connected steadily with the transfusion speed of the infusion pump of this peristaltic pump, flow speed stability, effective guarantee transfusion precision, improve the Security of infusion pump.
Further, with reference to Fig. 4 to Fig. 5, in the present embodiment, described duplex eccentric wheel unit 302 is provided with axis hole 301, and an end face of described duplex eccentric wheel unit 302 is provided with lug boss 305, other end is provided with the depressed part 307 suitable with described lug boss 305, described lug boss 305 is crisscross arranged with described depressed part 307, after fitting together to make adjacent two duplex eccentric wheel unit 302, between two duplex eccentric wheel unit 302 centers of circle and axial connecting line, be formed with the angle of 360/N degree.
In the present embodiment, when the first duplex eccentric wheel unit 321 and the second duplex eccentric wheel unit 322 fitting seat are in described rotating shaft 200, the lug boss 305 be located on described first duplex eccentric wheel unit 321 is placed in the eccentric depressed part 307 of described second duplex.Particularly, the number of described rotating shaft 200 corresponding duplex eccentric wheel unit 302 is set to regular hexagon, described axis hole 301 is regular hexagon hole, so, when the first duplex eccentric wheel unit 321 and the second duplex eccentric wheel unit 322 fitting seat are in described rotating shaft 200, the axis hole 301 of the second duplex eccentric wheel unit 322 have rotated 60 degree relative to the axis hole of the first duplex eccentric wheel unit 321, the axis hole 301 of the 3rd duplex eccentric wheel unit 323 have rotated 60 degree relative to the axis hole 301 of the second duplex eccentric wheel unit 322, by that analogy, the axis hole 301 of the 6th duplex eccentric wheel unit 326 have rotated 60 degree relative to the axis hole 301 of the 5th duplex eccentric wheel unit 325, namely, the axis hole 301 of the 6th duplex eccentric wheel unit 326 have rotated 360 degree relative to the axis hole 301 of the first duplex eccentric wheel unit 321, also namely the 6th duplex eccentric wheel unit 326 has same corner with the first duplex eccentric wheel unit 321, achieve a circulation.
Further, in the present embodiment, described peristaltic pump also comprises the jump ring 600 being located at array duplex eccentric wheel 300 two ends, the follower 700 be fixedly installed in described rotating shaft 200, the driving wheel 800 be in transmission connection with described follower 700 and the motor (not shown) be fixedly connected with described driving wheel 800.Array duplex eccentric wheel 300 is closely fastened togather by described jump ring 600, described follower 700 is fixedly installed in described rotating shaft 200, and be in transmission connection by line belt 900 and described driving wheel 800, motor drives described driving wheel 800 to rotate, described follower 700 is driven to rotate by line belt 900, rotate with drive shaft 200, and then realize the wriggling of peristaltic pump.
It is worth mentioning that, described second detection device 500 comprises the second detection lug 520 of being fixedly installed in described rotating shaft 200 and is fixedly installed in the second sensor 540 matched on described housing 100 and with described second detection lug 520, described second detection lug 520 is evenly distributed with N number of blade 542, described second sensor 540 is arranged in " U " shape, when breach between described blade 542 is positioned at described second sensor 540, described second detection device 500 is positioned at described second detecting position.
In the present embodiment, the position being positioned at the second sensor 540 using the breach between the blade 542 of described second detection device 500 is positioned at described second detecting position as second detection device 500, its principle with and mode of execution above-described embodiment identical, therefore not to repeat here.
In addition, the utility model also provides a kind of infusion pump, and described infusion pump comprises body and is installed on the peristaltic pump on described body, and described peristaltic pump comprises earlier figures 1 to technological schemes all in embodiment illustrated in fig. 5, its detailed construction can refer to previous embodiment, does not repeat at this.
In sum, peristaltic pump of the present utility model and infusion pump, matched with second detection device by the first detection device, to realize the validity monitoring of the particular location of each duplex eccentric wheel unit, and then the accurate control realized peristaltic pump, make to be connected steadily with the transfusion speed of the infusion pump of this peristaltic pump, flow speed stability, effective guarantee transfusion precision, improves the Security of infusion pump.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a peristaltic pump, it is characterized in that, described peristaltic pump comprises housing, rotate the rotating shaft being installed on described housing, be installed on the array duplex eccentric wheel in described rotating shaft, be installed on the first detection device in described rotating shaft, be installed on the second detection device of described rotating shaft, often organize duplex eccentric wheel and comprise N number of duplex eccentric wheel unit, the angle of 360/N degree is formed between the center of circle of adjacent two duplex eccentric wheel unit and axial connecting line, duplex eccentric wheel unit described in each is provided with two peristaltic tablets, described first detection device is provided with the first detecting position of a corresponding duplex eccentric wheel unit, described second detection device is provided with N number of second detecting position of each duplex eccentric wheel unit corresponding.
2. peristaltic pump as claimed in claim 1, it is characterized in that, described first detection device comprises the first detection lug of being fixedly installed in described rotating shaft and is fixedly installed in the first sensor matched on described housing and with described first detection lug, described first detection lug is provided with an opening, described first sensor is arranged in " U " shape, when the opening of described first detection lug is positioned at described first sensor, described first detection device is in described first detecting position.
3. peristaltic pump as claimed in claim 1, it is characterized in that, described second detection device comprises the second detection lug of being fixedly installed in described rotating shaft and is fixedly installed in the second sensor matched on described housing and with described second detection lug, described second detection lug is evenly distributed with N number of blade, described second sensor is arranged in " U " shape, when described blade is positioned at described second sensor, described second detection device is positioned at described second detecting position.
4. peristaltic pump as claimed in claim 1, it is characterized in that, described second detection device comprises the second detection lug of being fixedly installed in described rotating shaft and is fixedly installed in the second sensor matched on described housing and with described second detection lug, described second detection lug is evenly distributed with N number of blade, described second sensor is arranged in " U " shape, when breach between described blade is positioned at described second sensor, described second detection device is positioned at described second detecting position.
5. peristaltic pump as claimed in claim 1, it is characterized in that, described duplex eccentric wheel unit is provided with axis hole, and an end face of described duplex eccentric wheel unit is provided with lug boss, other end is provided with the depressed part suitable with described lug boss, described lug boss and described depressed part are crisscross arranged, and after fitting together, are formed with the angle of 360/N degree between the two duplex eccentric wheel unit centers of circle and axial connecting line to make adjacent two duplex eccentric wheel unit.
6. peristaltic pump as claimed in claim 1, it is characterized in that, described peristaltic pump also comprises the jump ring being located at array duplex eccentric wheel two ends.
7. peristaltic pump as claimed in claim 1, is characterized in that, described peristaltic pump also comprises the follower be fixedly installed in described rotating shaft, the driving wheel that is in transmission connection with described follower and the motor be fixedly connected with described driving wheel.
8. an infusion pump, is characterized in that, described infusion pump comprises body and is installed on the peristaltic pump on described body, the peristaltic pump of described peristaltic pump according to any one of the claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865713.XU CN204493147U (en) | 2014-12-30 | 2014-12-30 | Peristaltic pump and infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865713.XU CN204493147U (en) | 2014-12-30 | 2014-12-30 | Peristaltic pump and infusion pump |
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| Publication Number | Publication Date |
|---|---|
| CN204493147U true CN204493147U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865713.XU Active CN204493147U (en) | 2014-12-30 | 2014-12-30 | Peristaltic pump and infusion pump |
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| CN (1) | CN204493147U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363095A (en) * | 2015-11-20 | 2016-03-02 | 深圳影迈科技股份有限公司 | Infusion pump and control time sequence detection method of infusion pump |
| CN105363094A (en) * | 2015-11-20 | 2016-03-02 | 深圳影迈科技股份有限公司 | Infusion pump and infusion equipment |
| CN108096662A (en) * | 2017-11-20 | 2018-06-01 | 广州欧浦瑞医疗科技有限公司 | A kind of peristaltic pump |
-
2014
- 2014-12-30 CN CN201420865713.XU patent/CN204493147U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363095A (en) * | 2015-11-20 | 2016-03-02 | 深圳影迈科技股份有限公司 | Infusion pump and control time sequence detection method of infusion pump |
| CN105363094A (en) * | 2015-11-20 | 2016-03-02 | 深圳影迈科技股份有限公司 | Infusion pump and infusion equipment |
| CN105363095B (en) * | 2015-11-20 | 2018-08-03 | 深圳影迈科技股份有限公司 | The detection method of infusion pump and infusion pump control sequential |
| CN105363094B (en) * | 2015-11-20 | 2019-04-05 | 深圳影迈科技有限公司 | Infusion pump and infusion equipment |
| CN108096662A (en) * | 2017-11-20 | 2018-06-01 | 广州欧浦瑞医疗科技有限公司 | A kind of peristaltic pump |
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