CN207123538U - A kind of novel injection pump - Google Patents
A kind of novel injection pump Download PDFInfo
- Publication number
- CN207123538U CN207123538U CN201720965994.XU CN201720965994U CN207123538U CN 207123538 U CN207123538 U CN 207123538U CN 201720965994 U CN201720965994 U CN 201720965994U CN 207123538 U CN207123538 U CN 207123538U
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- China
- Prior art keywords
- motor
- sliding block
- synchronous pulley
- ball screw
- valve
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Abstract
The utility model provides a kind of novel injection pump, including pump housing fixed block, sliding block, guide pillar, ball screw, syringe, rotary valve, optocoupler piece, grating displacement sensor, synchronous pulley, timing belt, valve motor, motor and circuit board, wherein, guide pillar and ball screw are connected with sliding block, one end of syringe is connected with rotary valve, and the other end is connected with sliding block；Synchronous pulley includes upper and lower synchronous pulley, and motor is connected with lower synchronous pulley, and upper synchronous pulley is connected with ball screw；The test side of grating displacement sensor is fixed on sliding block, and relative motion, test position parameter are formed with test side according to sliding block movement；One end of valve motor is connected with rotary valve, and the other end of valve motor is connected with optocoupler piece, and novel injection pump provided by the utility model not only increases the accuracy and precision of reagent pipetting volume amount, it is thus also avoided that cross pollution of the reagent pin during reagent is loaded.
Description
Technical field
It the utility model is related to chemical illumination immunity analysis instrument field, more particularly to a kind of novel injection pump.
Background technology
In chemical illumination immunity analysis instrument, reagents loaded draws a certain amount of reagent by the syringe of syringe pump, and
The a certain amount of reagent of absorption is filled into reaction cup by syringe, it is common to complete with sample silicate reagent in disk is incubated
Incubation and luminescence-producing reaction, but existing syringe pump is difficult to control its precision during sample-adding, and loading a reagent
Afterwards, it is easy to cause the cross pollution of reagent pin.
At present, patent of invention《Syringe pump》The patent No. is 201110457213.3 using pressure-detecting device and injected in head
The top of portion connects, it is possible to achieve detects to inject the pressure in pipeline, is difficult control during injection pipeline injection still
After system injects the precision of sample, and injection terminates, the cross pollution of reagent pin is avoided without corresponding component actuation.
The content of the invention
For defect present in above-mentioned prior art, the utility model provides a kind of novel injection pump, not only improves
The accuracy and precision of reagent pipetting volume amount, while it also avoid the cross pollution of the reagent pin during reagent is loaded.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of novel injection pump, including pump
It is body, fixed block, sliding block, guide pillar, ball screw, syringe, rotary valve, optocoupler piece, grating displacement sensor, synchronous pulley, same
Walk band, valve motor, motor and circuit board；
The guide pillar and the ball screw are connected with the sliding block, play a part of motion guide；
One end of the syringe is connected with the rotary valve, and the other end is connected with the sliding block, and syringe pump is with driving electricity
Machine moves reciprocatingly, and is drawn and filled reagent；
The quantity of the synchronous pulley is 2, and arrangement up and down；Synchronous pulley passes through the synchronous band connection；
The motor is connected with one of synchronous pulley, and another synchronous pulley connects with the ball screw
Connect；
The synchronous pulley and the timing belt rotate the ball screw under motor driving, and drive
The sliding block movement；
The test side of the grating displacement sensor is fixed on the sliding block, and phase is formed with test side according to sliding block movement
To motion, the injection volume of test position parameter, accurately calculating syringe, the accurate precision of guarantee sample-adding amount；
One end of the valve motor is connected with the rotary valve, it is possible to achieve the switching of fluid path；The valve motor it is another
End is connected with the optocoupler piece, can realize that the rotation step number of stepper motor calculates on the optocoupler of circuit board.
Preferably, the optocoupler piece is located at the circuit board, and the optocoupler piece is examined located at the digital optocoupler of the circuit board
The motor rotation step number is surveyed, drives valve to rotate to form switching.
Preferably, the syringe includes injection-tube and plunger, and the injection-tube uses quartz glass, and the plunger uses
PTFE materials, fit precision is high, service life length, good airproof performance, effectively prevents from revealing.
Preferably, the valve motor and the motor use high-precision stepper motor, and high-precision stepper motor can
Motor step is refined away from control is more accurate.
Preferably, the guide pillar is fixed on the pump housing fixed block with the ball screw.
Compared with prior art, beneficial effect is caused by the utility model：
1st, novel injection pump provided by the utility model can be filled into a certain amount of reagent of absorption instead by syringe
Answer in cup, it is possible to achieve accurate control sample-adding precision；
2nd, after a reagent is loaded, syringe pump is closed novel injection pump provided by the utility model by the switching of rotary valve
Syringe is closed, the path with valve is opened, thinks to inject deionized water in pipeline by the unlatching of rotary valve, make reagent pin in service sink
Interior completion reagent pin cleaning, avoids the cross pollution of reagent pin；
3rd, injection-tube uses quartz glass in novel injection pump provided by the utility model, and plunger uses PTFE materials, this
The selection of two kinds of materials improves the fit precision of syringe pump, extends service life, improves sealing, efficiently solves
Inject pump conduit leakage problem；
4th, novel injection pump provided by the utility model not only increases operating efficiency, also achieves automatic sample and cleaning
Automatically control；
5th, the utility model uses grating displacement sensor system, accurate for the shift motion of accurate measurement injection-tube
The injection volume of syringe is really calculated, ensures the accurate precision of sample-adding amount.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model top view；
In the accompanying drawings, 1, pump housing fixed block, 2, sliding block, 3, guide pillar, 4, ball screw, 5, syringe, 6, rotary valve, 7, light
Lotus root piece, 8, grating displacement sensor, 9, synchronous pulley, 10, timing belt, 11, valve motor, 12, motor, 13, circuit board.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the utility model is described in detail.
In the novel injection pump shown in Fig. 1 and Fig. 2, guide pillar (3) and ball screw (4) are fixed on pump housing fixed block (1)
On, guide pillar (3) and ball screw (4) are connected with sliding block (2), play a part of motion guide；One end of syringe (5) and rotation
Valve (6) is connected, and the other end is connected with sliding block (2)；Synchronous pulley (9) is divided into upper and lower two belt wheels, and upper and lower two belt wheels lead to
Cross timing belt (10) connection；Motor (12) is connected with lower synchronous pulley, and ball screw (4) is connected with upper synchronous pulley；Together
Step belt wheel (9) and timing belt (10) rotate ball screw (4) under the driving of motor (12), and with movable slider (2)
It is mobile；
The test side of grating displacement sensor (8) is fixed on sliding block (2), is formed according to sliding block (2) is mobile with test side
Relative motion, test position parameter；One end of valve motor (11) is connected with rotary valve (6), and the other end is connected with optocoupler piece (7)；
Optocoupler piece (7) is on circuit board (13), and optocoupler piece is located at the rotation step number of the digital optocoupler detection motor of circuit board.
Syringe (5) includes injection-tube and plunger, and wherein injection-tube uses quartz glass, and plunger uses PTFE materials, matched somebody with somebody
It is high to close precision, service life length, good airproof performance, effectively prevents from revealing.
Valve motor (11) and motor (12) use high-precision stepper motor, and high-precision stepper motor can refine motor
Step pitch, control are more accurate.
Novel injection pump provided by the utility model at work, starts motor (12), motor (12) driving
Synchronous pulley (9), synchronous pulley (9) drive ball screw (4) rotation, and ball screw (4) drives sliding block (2) edge being attached thereto
Guide pillar (3) moves left and right, and because of guide pillar (3) and the limition orientation of fixed plate, sliding block (2) is moved reciprocatingly；Syringe (5) is with sliding
Block (2) is connected, and moving left and right for sliding block (2) can drive syringe (5) to do bilateral reciprocation, be drawn and filled reagent；
Grating glass of the sliding block (2) also with grating displacement sensor (8) is connected simultaneously, and sliding block movement can drive pattern displacement to sense
Device moves simultaneously；The circuit read module of grating displacement sensor (8) is connected with pump housing fixed block (1), is fixed on a positioning
Put and do not moved with sliding block, it is possible thereby to read the displacement of certain precision by grating displacement sensor (8), and remembered by circuit board
Record accurate location；The position moved by syringe calculates the liquid capacity of syringe, realizes the accuracy of loading amount of reagent.
Valve motor (11) is driven to drive rotary valve (6) rotation, rotary valve (6) is connected with syringe (5), passes through rotary valve
(6) rotation can realize the switching of the injection pipeline of syringe 5；When valve motor (11) rotates, pass through optocoupler piece (7) and circuit board
(13) the digital optocoupler on counts, and accurately reaches the required angle of rotary valve (6), realizes injection reagent and suction in syringe (5)
Take the power and energy of reagent；Switch rotary valve (6) simultaneously and arrive the fluid path that syringe (5) is closed, make valve road and the examination of deionized water
Agent pin is identical, when the valve for injecting deionized water is opened, injects deionized water, realizes cleaning reagent pin.
A series of detailed description described above is specific only for feasibility embodiment of the present utility model
Illustrate, they are not to limit the scope of protection of the utility model, are possessed in the technical field those of ordinary skill
Knowledge in, the various change made on the premise of the utility model aims are not departed from belongs to guarantor of the present utility model
Protect scope.
Claims (6)
1. a kind of novel injection pump, including pump housing fixed block, sliding block, guide pillar, ball screw, syringe, rotary valve, optocoupler piece,
Grating displacement sensor, synchronous pulley, timing belt, valve motor, motor and circuit board, it is characterised in that
The guide pillar and the ball screw are connected with the sliding block, play a part of motion guide；
One end of the syringe is connected with the rotary valve, and the other end is connected with the sliding block；
The synchronous pulley includes upper and lower synchronous pulley, and the lower synchronous pulley is connected with the motor, the upper synchronization
Belt wheel is connected with the ball screw；
The test side of the grating displacement sensor is fixed on the sliding block, and relative fortune is formed according to sliding block movement and test side
It is dynamic, test position parameter；
One end of the valve motor is connected with the rotary valve, and the other end of the valve motor is connected with the optocoupler piece；
The optocoupler piece is located at the circuit board, and the optocoupler piece detects the motor rotation located at the digital optocoupler of the circuit board
Turn step number.
2. a kind of novel injection pump described in claim 1, it is characterised in that the upper synchronous pulley and the lower synchronous pulley
Pass through the synchronous band connection.
3. a kind of novel injection pump described in claim 2, it is characterised in that the synchronous pulley and the timing belt are described
The ball screw is rotated under motor driving, and drives the sliding block to move.
4. a kind of novel injection pump described in claim 1, it is characterised in that the syringe includes injection-tube and plunger, institute
State injection-tube and use quartz glass, the plunger uses PTFE materials.
5. a kind of novel injection pump described in claim 1, it is characterised in that the valve motor and the motor use
High-precision stepper motor.
6. a kind of novel injection pump described in claim 1, it is characterised in that the guide pillar is fixed on institute with the ball screw
State pump housing fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965994.XU CN207123538U (en) | 2017-08-04 | 2017-08-04 | A kind of novel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965994.XU CN207123538U (en) | 2017-08-04 | 2017-08-04 | A kind of novel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123538U true CN207123538U (en) | 2018-03-20 |
Family
ID=61612238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720965994.XU Active CN207123538U (en) | 2017-08-04 | 2017-08-04 | A kind of novel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207123538U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722510A (en) * | 2018-04-12 | 2018-11-02 | 北京秦方科技有限公司 | A kind of syringe pump |
| CN108956189A (en) * | 2018-07-23 | 2018-12-07 | 苏州信诺泰克医疗科技有限公司 | Running fix platform, with the reagent needle running fix platform of the running fix platform and its method that walks |
| CN109387652A (en) * | 2017-08-04 | 2019-02-26 | 河北艾驰生物科技有限公司 | A kind of novel injection pump |
| CN110354338A (en) * | 2018-09-03 | 2019-10-22 | 上海北昂医药科技股份有限公司 | Integrated pump valve device with rotation distribution and function of injection |
-
2017
- 2017-08-04 CN CN201720965994.XU patent/CN207123538U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387652A (en) * | 2017-08-04 | 2019-02-26 | 河北艾驰生物科技有限公司 | A kind of novel injection pump |
| CN108722510A (en) * | 2018-04-12 | 2018-11-02 | 北京秦方科技有限公司 | A kind of syringe pump |
| CN108956189A (en) * | 2018-07-23 | 2018-12-07 | 苏州信诺泰克医疗科技有限公司 | Running fix platform, with the reagent needle running fix platform of the running fix platform and its method that walks |
| CN108956189B (en) * | 2018-07-23 | 2024-03-01 | 苏州信诺泰克医疗科技有限公司 | Movable positioning table, reagent needle movable positioning table with movable positioning table and positioning method thereof |
| CN110354338A (en) * | 2018-09-03 | 2019-10-22 | 上海北昂医药科技股份有限公司 | Integrated pump valve device with rotation distribution and function of injection |
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