CN205515815U - Trace infusion mechanism - Google Patents
Trace infusion mechanism Download PDFInfo
- Publication number
- CN205515815U CN205515815U CN201620076206.7U CN201620076206U CN205515815U CN 205515815 U CN205515815 U CN 205515815U CN 201620076206 U CN201620076206 U CN 201620076206U CN 205515815 U CN205515815 U CN 205515815U
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- China
- Prior art keywords
- motor
- trace
- infusion mechanism
- output
- fixed plate
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- 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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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a trace infusion mechanism, this trace infusion mechanism includes motor, driving medium, output and detection piece. The driving medium includes input and output, the hub connection of input and motor, and the output is connected on the output of driving medium. The detection piece setting is used for detecting the rotational speed of motor on the motor. Detect the rotational speed of motor through the detection piece, just can calculate the infusion volume of trace infusion mechanism reality again with this rotational speed according to the drive ratio of driving medium and output. The rotational speed of motor can pass through measuring motor rotation number because some reasons have taken place to change the back, and the calculation of in addition the drive ratio again reachs the actual infusion volume of trace infusion mechanism, and then holds the precision of liquid medicine infusion accurately.
Description
Technical field
The utility model relates to technical field of medical instruments, in particular to a kind of trace infusion mechanism.
Background technology
In the driving assembly of the electronic insulin syringe of Patent No. CN201120170589.1, this electronic insulin syringe
Including gear housing, gear box cover, be arranged on gear housing and gear box cover composition cavity in train of reduction gears, detection subtract
The speed optoelectronic switch of pinion rotation angle of gear train, direct current generator, gear housing is provided with driving electronic insulin syringe
Shaft screw rod, described direct current generator by train of reduction gears drive shaft screw rod rotate.The controlled list of work of direct current generator
Unit controls, and optoelectronic switch detects the pinion rotation angle of train of reduction gears and by data feedback in real time to control unit, in order to control
Unit is accurately controlled direct current generator work, and direct current generator drives shaft screw rod to rotate by train of reduction gears, it is achieved liquid infusion.
In use, what optoelectronic switch detected in real time is the pinion rotation angle of train of reduction gears to above-mentioned insulin syringe, by
Being limited in structure, when trace infusion, infusion dosage does not reaches precisely feedback.
Utility model content
Main purpose of the present utility model is to provide a kind of trace infusion mechanism, to solve in prior art trace infusion mechanism not
Liquid infusion precision problem can be fed back.
To achieve these goals, the utility model provides a kind of trace infusion mechanism, including motor, driving member, output
And detection piece.Driving member includes that input and output, input are connected with the axle of motor, and output is connected to driving member
On output, detection piece is arranged on motor the rotating speed for detecting motor.
Further, detection piece is arranged on the axle of motor.
Further, detection piece is Photoelectric Detection part, and Photoelectric Detection part includes electro-optical package and reflecting assembly, and electro-optical package is arranged on electricity
On the housing of machine, reflecting assembly is arranged on the axle of motor, and and electro-optical package interval setting.
Further, the axle of motor includes the output shaft stretched out from motor front and the connecting shaft stretched out from the motor back side, output shaft
Connecting on the same line with connecting shaft, reflecting assembly is arranged in connecting shaft, and electro-optical package is arranged on the shell of the motor at connecting shaft
On body.
Further, input and the output homonymy of driving member is arranged.
Further, driving member includes spaced front shoe and rear fixed plate, and is arranged on front shoe and rear fixing
Gear assembly between plate, motor and output are arranged at being connected on rear fixed plate and with gear assembly.
Further, gear assembly includes that multi-stage gear, multi-stage gear are arranged between front shoe and rear fixed plate.
Further, driving member also includes middle fixing plate, and middle fixing plate is arranged between front shoe and rear fixed plate, and
And middle fixing plate is parallel with front shoe and rear fixed plate, the part in multi-stage gear is arranged on front shoe and middle fixing plate
Between, the another part in multi-stage gear is arranged between middle fixing plate and rear fixed plate.
Further, output is screw mandrel.
Further, motor is direct current generator.
Application the technical solution of the utility model, by the rotating speed of detection piece detection motor, then with this rotating speed according to driving member and defeated
Go out the gearratio of part and just can calculate the infusion amount that trace infusion mechanism is actual.The rotating speed of motor is because some reasons there occurs change
After, can by the motor speed measured, more in addition gearratio calculate the infusion amount that trace infusion mechanism is actual, and then
Accurately hold the precision of liquid infusion.
In addition to objects, features and advantages described above, the utility model also has other objects, features and advantages.
Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The Figure of description constituting a part of the present utility model is further appreciated by of the present utility model for providing, and this practicality is new
The schematic description and description of type is used for explaining the utility model, is not intended that improper restriction of the present utility model.Attached
In figure:
Fig. 1 shows the structural representation of the embodiment according to trace of the present utility model infusion mechanism.
Wherein, above-mentioned accompanying drawing includes that the following drawings marks:
10, motor；21, rear fixed plate；22, middle fixing plate；23, front shoe；31, one-stage gear；32, two grades
Gear；33, tertiary gear；34, level Four gear；35, Pyatyi gear；36, six grades of gears；37, seven grades of gears；40、
Output；51, electro-optical package；52, reflecting assembly；53, optoelectronic switch；60, push pedal.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the utility model and the feature in embodiment can be mutual
Combination.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the utility model scheme, below in conjunction with in the utility model embodiment
Accompanying drawing, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment
It is only the embodiment of the utility model part rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, all should belong to this reality
By novel protected scope.
Fig. 1 shows the trace infusion mechanism of the present embodiment, and this trace infusion mechanism includes motor 10, driving member, output 40
And detection piece.Driving member includes that input and output, input are connected with the axle of motor 10, and output 40 is connected to pass
On the output of moving part.Detection piece is arranged on motor 10 for detecting the rotating speed of motor 10.Motor 10 is detected by detection piece
Rotating speed, more just can calculate, according to the gearratio of driving member and output 40, the infusion amount that trace infusion mechanism is actual with this rotating speed.
The rotating speed of motor 10, can be by motor 10 rotating speed measured because after some reasons there occurs change, more in addition gearratio
Calculate the infusion amount that trace infusion mechanism is actual, and then accurately hold the precision of liquid infusion.
In the present embodiment, detection piece is arranged on the axle of motor 10.Optionally, detection piece is Photoelectric Detection part, Photoelectric Detection
Part includes electro-optical package 51, and electro-optical package 51 welds two groups of optoelectronic switches 53 and reflecting assembly 52, and electro-optical package 51 is arranged on motor
On the housing of 10, reflecting assembly 52 is arranged on the axle of motor 10, and and electro-optical package 51 interval setting.When motor 10 works,
Motor shaft drives the reflecting assembly 52 of lightweight to rotate can to reduce detection piece and take motor 10 and load, and electro-optical package 51 sends measurement light
Rotating speed when detection motor 10 runs, and export the signal of telecommunication of two-way phase 90 °.
As it is shown in figure 1, in the present embodiment, the axle of motor 10 includes the output shaft stretched out from motor 10 front and from motor 10
The connecting shaft that the back side is stretched out, output shaft and connecting shaft connect on the same line.Reflecting assembly 52 is arranged in connecting shaft, photoelectricity
Plate 51 is arranged on the housing of the motor 10 at connecting shaft.Optionally, output shaft and connecting shaft are one-body molded.Usual motor
Axle can stretch out a part from the back side of motor, and the part this stretched out is as connecting shaft.
As it is shown in figure 1, in the present embodiment, the input of driving member and output homonymy are arranged, and then motor 10 and output
40 just can be arranged on homonymy to reduce the length of whole trace infusion mechanism so that the structure of trace infusion mechanism is compacter.
After the miniaturization of trace infusion mechanism, it is also possible to the volume of whole trace infusion apparatus is more minimized, it is simple to wear.
Optionally, in the present embodiment, driving member includes spaced front shoe 23 and rear fixed plate 21, and is arranged on
Gear assembly between front shoe 23 and rear fixed plate 21, motor 10 and output 40 are arranged on rear fixed plate 21 also
It is connected with gear assembly.Front shoe 23 and rear fixed plate 21 be not only used for installing gear assembly but also for protecting gear assembly.
Optionally, as it is shown in figure 1, in the present embodiment, gear assembly includes that multi-stage gear, multi-stage gear are fixing before being arranged on
Between plate 23 and rear fixed plate 21.Multi-stage gear includes one-stage gear 31, secondary gear 32, tertiary gear 33, level Four gear
34,35, six grades of gears 36 of Pyatyi gear and seven grades of gears 37.Optionally, driving member also includes middle fixing plate 22, in
Between fixed plate 22 be arranged between front shoe 23 and rear fixed plate 21, and middle fixing plate 22 and front shoe 23 and after
Fixed plate 21 is parallel.Tertiary gear 33 and level Four gear 34 in multi-stage gear are arranged on front shoe 23 and middle fixing plate
Between 22, the one-stage gear 31 in multi-stage gear, secondary gear 32,35, six grades of gears 36 of Pyatyi gear and seven grades of gears
37 are arranged between middle fixing plate 22 and rear fixed plate 21.Optionally, multi-stage gear uses all-metal gear structure, moment
Bigger, more firm, noise is lower.
As it is shown in figure 1, in the present embodiment, output 40 is screw mandrel.During use, screw mandrel coordinates push pedal 60 is installed, logical
Crossing leading screw drives push pedal 60 motion to can be achieved with the infusion of liquid.Optionally, motor 10 is direct current generator.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this area
For technical staff, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a trace infusion mechanism, it is characterised in that including:
Motor (10)；
Driving member, including input and output, described input is connected with the axle of described motor (10)；
Output (40), is connected on the output of described driving member；
Detection piece, described detection piece is arranged on described motor (10), is used for detecting the rotating speed of described motor (10).
Trace the most according to claim 1 infusion mechanism, it is characterised in that described detection piece is arranged on described motor (10)
Axle on.
Trace the most according to claim 2 infusion mechanism, it is characterised in that described detection piece is Photoelectric Detection part, described light
Electro-detection part includes electro-optical package (51) and reflecting assembly (52), and described electro-optical package (51) is arranged on described motor (10)
Housing on, described reflecting assembly (52) is arranged on the axle of described motor (10), and with described electro-optical package (51)
Interval is arranged.
Trace the most according to claim 3 infusion mechanism, it is characterised in that the axle of described motor (10) includes from described electricity
Output shaft that machine (10) front is stretched out and the connecting shaft stretched out from described motor (10) back side, described output shaft and described
Connecting shaft connects on the same line, and described reflecting assembly (52) is arranged in described connecting shaft, described electro-optical package (51)
It is arranged on the housing of the described motor (10) at described connecting shaft.
Trace the most according to claim 1 infusion mechanism, it is characterised in that the described input of described driving member and described defeated
Go out and hold homonymy to arrange.
Trace the most according to claim 5 infusion mechanism, it is characterised in that described driving member include spaced before fixing
Plate (23) and rear fixed plate (21), and be arranged between described front shoe (23) and described rear fixed plate (21)
Gear assembly, described motor (10) and described output (40) be arranged at described rear fixed plate (21) upper and with
Described gear assembly connects.
Trace the most according to claim 6 infusion mechanism, it is characterised in that described gear assembly includes multi-stage gear, described
Multi-stage gear is arranged between described front shoe (23) and described rear fixed plate (21).
Trace the most according to claim 7 infusion mechanism, it is characterised in that described driving member also includes middle fixing plate (22),
Described middle fixing plate (22) is arranged between described front shoe (23) and described rear fixed plate (21), and institute
State middle fixing plate (22) parallel with described front shoe (23) and described rear fixed plate (21), described multi-stage gear
In part be arranged between described front shoe (23) and described middle fixing plate (22), in described multi-stage gear
Another part is arranged between described middle fixing plate (22) and described rear fixed plate (21).
Trace the most according to claim 1 infusion mechanism, it is characterised in that described output (40) is screw mandrel.
Trace the most according to claim 1 infusion mechanism, it is characterised in that described motor (10) is direct current generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076206.7U CN205515815U (en) | 2016-01-26 | 2016-01-26 | Trace infusion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076206.7U CN205515815U (en) | 2016-01-26 | 2016-01-26 | Trace infusion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205515815U true CN205515815U (en) | 2016-08-31 |
Family
ID=56769923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620076206.7U Ceased CN205515815U (en) | 2016-01-26 | 2016-01-26 | Trace infusion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205515815U (en) |
-
2016
- 2016-01-26 CN CN201620076206.7U patent/CN205515815U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210622 Decision number of declaring invalidation: 50364 Granted publication date: 20160831 |
|
| IW01 | Full invalidation of patent right |