CN208966502U - A kind of piston pump - Google Patents
A kind of piston pump Download PDFInfo
- Publication number
- CN208966502U CN208966502U CN201821166650.3U CN201821166650U CN208966502U CN 208966502 U CN208966502 U CN 208966502U CN 201821166650 U CN201821166650 U CN 201821166650U CN 208966502 U CN208966502 U CN 208966502U
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- CN
- China
- Prior art keywords
- piston pump
- syringe
- injection
- lead screw
- sliding block
- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to reagent synthesizer technical field, specifically a kind of piston pump, including syringe and control mechanism, the syringe and control mechanism are installed on fixed bracket；Compared with prior art, the beneficial effects of the utility model are: the utility model provides a kind of piston pump, this piston pump is a small size, high accurancy and precision, the equipment of corrosion-resistant long-life, this piston pump controls operational process by driving stepper motor, initial position signal is provided using upper and lower optoelectronic switch, realizes the application such as the high-precision of automation and the fluid transmission of high accuracy, dilution distribution.
Description
Technical field
The utility model relates to reagent synthesizer technical field, specifically a kind of piston pump.
Background technique
Chemical reagent (chemical reagent) is the relative standard's substance for carrying out chemical research, constituent analysis, is section
The essential condition of skill progress is widely used in the synthesis, separation, qualitative and quantitative analysis of substance, it may be said that be chemist
Eyes all be unable to do without chemical reagent in the routine work of factory, school, hospital and research institute.Chemical reagent synthesis when,
The reagent for carrying out precise quantitative to synthesising container is needed to be added, when shortage is effective quantitative in the prior art and guarantees that reagent is added
The equipment not leaked.
Utility model content
In order to solve above-mentioned problems of the prior art, the utility model provides a kind of piston pump, this piston pump is
One small size, high accurancy and precision, the equipment of corrosion-resistant long-life, this piston pump control operational process by driving stepper motor
System provides initial position signal using upper and lower optoelectronic switch, and the fluid of the high-precision and high accuracy of realizing automation transmits, is dilute
Release the application such as distribution.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of piston pump, including syringe and control mechanism, the syringe and control mechanism are installed in fixed bracket
On；
The control mechanism includes control syringe injection/suction sliding block, and the sliding block passes through and the L branch on syringe
Syringe injection/suction is realized in support cooperation；The sliding block is socketed in lead screw outer rim, and the lead screw is fixedly mounted on fixed bracket
On, it is fixedly connected with gear after fixed bracket is passed through above the lead screw, the gear is by tooth belt and is mounted on fixation
Stepper motor transmission connection on bracket, the control that the motor is worked by electric machine controller, the electric machine controller
It is connected to circuit system energization in the PCB circuit board of device；
It is parallel with lead screw on fixation bracket on the right side of the lead screw that slide bar is installed, it is equipped on the slide bar for controlling
The optoelectronic switch of sliding block slide displacement；
Solenoid valve for controlling piston pump injection or charging, the solenoid valve installation are installed at the top of the syringe
In the side of tetrafluoro valve seat.
Further, it is provided with what reagent entry port and piston pump for being fed to piston pump were injected on the tetrafluoro valve seat
Injection port.
Further, the L support is fixedly connected with the middle part pushing ram of injection, in the L support and injection
Portion's pushing ram is fixedly connected by screw rod with nut structure.
Further, the PCB circuit board of the syringe pump is powered by external power supply.
Compared with prior art, the utility model has the beneficial effects that the utility model provides a kind of piston pump, this note plug
Pump is a small size, high accurancy and precision, the equipment of corrosion-resistant long-life, this piston pump by driving stepper motor to operational process into
Row control provides initial position signal using upper and lower optoelectronic switch, and the fluid of the high-precision and high accuracy of realizing automation passes
The applications such as defeated, dilution distribution.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the Structure explosion diagram of the utility model.
In figure: 1, tetrafluoro valve seat, 2, solenoid valve, 3, syringe, 4, tooth belt, 5, stepper motor, 6, stepper motor control
Device processed, 7, sliding block, 8, L-type support, 9, optoelectronic switch, 10, PCB battery plate, 11, lead screw.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment one
A kind of piston pump, including syringe and control mechanism, the syringe and control mechanism are installed in fixed bracket
On；
The control mechanism includes control syringe injection/suction sliding block, and the sliding block passes through and the L branch on syringe
Syringe injection/suction is realized in support cooperation；The sliding block is socketed in lead screw outer rim, and the lead screw is fixedly mounted on fixed bracket
On, it is fixedly connected with gear after fixed bracket is passed through above the lead screw, the gear is by tooth belt and is mounted on fixation
Stepper motor transmission connection on bracket, the control that the motor is worked by electric machine controller, the electric machine controller
It is connected to circuit system energization in the PCB circuit board of device；
Particularly, parallel with lead screw on the fixation bracket on the right side of the lead screw that slide bar is installed, it is equipped on the slide bar
For controlling the optoelectronic switch of sliding block slide displacement.
Preferably, the L support is fixedly connected with the middle part pushing ram of injection, in the L support and injection
Portion's pushing ram is fixedly connected by screw rod with nut structure.
Preferably, the PCB circuit board of the syringe pump is powered by external power supply.
Embodiment two
Solenoid valve for controlling piston pump injection or charging, the solenoid valve installation are installed at the top of the syringe
In the side of tetrafluoro valve seat.
Preferably, being provided with what the reagent entry port and piston pump for being fed to piston pump were injected on the tetrafluoro valve seat
Injection port.
Piston pump when in use, when device signal is input to PCB battery plate 10, then is input to controllor for step-by-step motor 6, controls
Stepper motor 5 rotates, and controls the rotating forward reversion of stepper motor.It drives lead screw 11 to rotate by tooth belt 4, is fixed on sliding block 7
On L-type support 8 it is mobile simultaneously, then 3 injection rod of syringe is driven to move, the limit up and down of 9 controlled injection device of optoelectronic switch,
Stepping motor reversal when reaching upper limit makes syringe be moved down into lower limit stopping.Solenoid valve 2 opens and closes, and makes to infuse
The injection of plug pump and charging.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of piston pump, which is characterized in that including syringe and control mechanism, the syringe and control mechanism are installed in
On fixed bracket；
The control mechanism includes control syringe injection/suction sliding block, and the sliding block passes through matches with the L support on syringe
It closes and realizes syringe injection/suction；The sliding block is socketed in lead screw outer rim, and the lead screw is fixedly mounted on fixed bracket,
It is fixedly connected with gear after passing through fixed bracket above the lead screw, the gear is by tooth belt and is mounted on fixed bracket
On stepper motor transmission connection, the control that the motor is worked by electric machine controller, the electric machine controller and dress
Circuit system energization is connected in the PCB circuit board set；
It is parallel with lead screw on fixation bracket on the right side of the lead screw that slide bar is installed, it is equipped on the slide bar for controlling sliding block
The optoelectronic switch of slide displacement；
Solenoid valve for controlling piston pump injection or charging is installed, the solenoid valve is mounted on four at the top of the syringe
The side of fluorine valve seat.
2. a kind of piston pump according to claim 1, which is characterized in that be provided on the tetrafluoro valve seat for being filled in note
Pump the reagent entry port of feed and the injection port of piston pump injection.
3. a kind of piston pump according to claim 1, which is characterized in that the middle part pushing ram of the L support and injection
It is fixedly connected, the L support is fixedly connected by screw rod with nut structure with the middle part pushing ram of injection.
4. a kind of piston pump according to claim 1, which is characterized in that the PCB circuit board of the syringe passes through outside
Power supply power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166650.3U CN208966502U (en) | 2018-07-23 | 2018-07-23 | A kind of piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166650.3U CN208966502U (en) | 2018-07-23 | 2018-07-23 | A kind of piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966502U true CN208966502U (en) | 2019-06-11 |
Family
ID=66748892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821166650.3U Active CN208966502U (en) | 2018-07-23 | 2018-07-23 | A kind of piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966502U (en) |
-
2018
- 2018-07-23 CN CN201821166650.3U patent/CN208966502U/en active Active
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| GR01 | Patent grant |