CN211230740U - High-precision micro-control metering pump - Google Patents
High-precision micro-control metering pump Download PDFInfo
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- CN211230740U CN211230740U CN201921959774.1U CN201921959774U CN211230740U CN 211230740 U CN211230740 U CN 211230740U CN 201921959774 U CN201921959774 U CN 201921959774U CN 211230740 U CN211230740 U CN 211230740U
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- adjusting bracket
- joint bearing
- upper adjusting
- plunger
- motor
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Abstract
A high-precision micro-control metering pump comprises a motor, an upper adjusting support, a lower adjusting support, a joint bearing seat, a joint bearing and a plunger rod, wherein the lower adjusting support is fixedly arranged at the top of the motor, one side of the lower adjusting support is hinged with the upper adjusting support, and the other side of the lower adjusting support is adjustably connected with the upper adjusting support through a screw rod; the bottom of the joint bearing seat is coaxially and fixedly connected with an output shaft of the motor; the middle part of the upper adjusting bracket is movably and penetratingly provided with a plunger rod; the bottom of the plunger rod is radially and fixedly provided with a guide rod, and the guide rod is movably sleeved with a joint bearing which rotates along with the circumferential direction of the joint bearing seat. This measuring pump improves mechanical collision transmission into mechanical friction transmission, has avoided the inside transmission of measuring pump operation in-process to establish the collision problem, has effectively reduced the pump body vibrations volume, and the flow in the unit interval can be controlled by mechanical structure, need not complicated circuit control, has reduced the operation requirement of motor, and the flow precision is high, and the operation vibration is little.
Description
Technical Field
The utility model relates to a measuring equipment technical field relates to a measuring pump, especially a high accuracy micro-control measuring pump.
Background
The technical scheme includes that a metering pump is generally used for controlling fluid flow in the prior art, the conventional metering pump is mostly a gear metering pump, and the rotating speed of the gear metering pump is measured and calculated, so that the flow of the gear metering pump is obtained.
Through searching the published patents, the following patent documents most relevant to the technical scheme are found:
the utility model provides a water-cooled accurate gear measuring pump (CN208900344U) discloses a precision measurement instrument, especially indicates a water-cooled accurate gear measuring pump, and it includes the pump body, is equipped with the gear chamber in the pump body, and the gear intracavity rotation bears the weight of the gear subassembly, still is equipped with the rivers passageway that is used for supplying the cooling water to pass through in the pump body, and the rivers passageway runs through the gear subassembly, is equipped with water inlet and delivery port on the pump body, and the both ends of rivers passageway are linked together with water inlet and delivery port respectively. The beneficial effect of this scheme does: the gear metering pump is provided with a water flow channel, cooling water is introduced into the water flow channel, flowing cold water can take away heat in the metering pump, the gear assembly is cooled, the gear metering pump which works is in a constant temperature state, the gear metering pump stably works, and expansion clamp of the gear assembly is avoided
Through the comparative analysis to above-mentioned published patent literature, the applicant believes that above-mentioned comparison document still is the technological improvement of gear measuring pump and the utility model discloses the measuring pump all has great difference in drive mechanism and executive structure, does not influence the novelty of this application through the above-mentioned patent of analysis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a high accuracy micro-control measuring pump, this measuring pump improves the mechanical collision transmission into mechanical friction transmission, has avoided the inside transmission of measuring pump operation in-process to establish the collision problem, has effectively reduced pump body vibrations volume, and the flow in the unit interval can be controlled by mechanical structure, need not complicated circuit control, has reduced the operation requirement of motor, and the flow precision is high, and the operation vibration is little.
A high-precision micro-control metering pump comprises a motor, a transmission unit and a liquid pumping and discharging execution unit, wherein the bottom of the transmission unit is connected with the motor, and the top of the transmission unit is connected with the liquid pumping and discharging execution unit; the transmission unit comprises an upper adjusting bracket, a lower adjusting bracket, a joint bearing seat, a joint bearing and a plunger rod, wherein the lower adjusting bracket is fixedly arranged at the top of the motor, one side of the lower adjusting bracket is hinged with the upper adjusting bracket, and the other side of the lower adjusting bracket is adjustably connected with the upper adjusting bracket through a screw rod; the joint bearing seat rotates in the lower adjusting bracket, and the bottom of the joint bearing seat is coaxially and fixedly connected with an output shaft of the motor; the top of the upper adjusting bracket is fixedly provided with a pumping and discharging execution unit, and the middle part of the upper adjusting bracket moves and penetrates through a plunger rod provided with the pumping and discharging execution unit; the bottom of the plunger rod is radially and fixedly provided with a guide rod, and the guide rod is movably sleeved with a joint bearing which rotates along with the circumferential direction of the joint bearing seat.
The pumping and discharging execution unit further comprises a pump shell and a plunger cylinder, wherein the pump shell is coaxially and fixedly arranged at the top of the upper adjusting bracket, the plunger cylinder is axially and fixedly arranged in the pump shell, and a liquid inlet pipe and a liquid outlet pipe which are communicated with the interior of the plunger cylinder are arranged on the pump shell; the top of the plunger rod is provided with a plunger plane which enables the plunger cylinder to regulate and communicate the liquid inlet pipe and the liquid outlet pipe; and a sealing ring is hermetically sleeved on the plunger rod at the joint of the plunger cylinder and the upper adjusting bracket.
Moreover, the outer walls of the upper adjusting bracket and the lower adjusting bracket are uniformly provided with connecting lugs, and threaded connecting shafts are rotatably arranged in the connecting lugs along the horizontal direction; the threaded connecting shaft is provided with a threaded hole which is radially communicated, and the threaded hole penetrates through and is in threaded connection with a screw for adjusting the connection deflection angle of the upper adjusting bracket and the lower adjusting bracket.
And the side wall of the joint bearing seat is provided with a bearing hole, and the joint bearing is installed in the bearing hole in a rotating fit mode.
And a light couple counting sheet is fixedly sleeved on an output shaft in the lower adjusting bracket.
The utility model has the advantages and the technical effect be:
the utility model discloses a high accuracy micro-control measuring pump, drive joint bearing frame rotation through the motor to and provide power for the piston motion and the rotary motion of plunger rod through joint bearing and guide arm; the connection deflection angle adjustment of the upper adjusting bracket and the lower adjusting bracket is realized through the connection positions of the adjusting screw rod, the upper adjusting bracket and the lower adjusting bracket, and further the controllable mechanical adjustment of the motion amplitude of the piston of the plunger rod is realized; through the rotation movement of the plunger rod, the plunger plane at the top of the plunger rod is circularly communicated with the liquid inlet pipe and the liquid outlet pipe; the increase and decrease of the volume in the plunger cylinder are controlled by the movement of the piston of the plunger rod, and the liquid pumping and discharging functions are realized by the negative pressure of the plunger cylinder; and finally, recording the number of rotation turns of the output shaft of the motor by the optical coupling counting sheet, and sealing fluid in the plunger cylinder by the sealing ring to prevent the fluid from leaking into the joint bearing seat.
The utility model discloses a high accuracy micro-control measuring pump has solved the inside mechanical collision vibrations problem of measuring pump, adopts joint bearing seat and joint bearing's transmission structure, for the rotation of plunger rod and piston motion provide power to the plunger cylinder inhale, the leakage fluid volume can be controlled by the screw rod, its simple structure, no collision transmission, and low cost is a high accuracy micro-control measuring pump that has higher creativity.
Drawings
FIG. 1 is a schematic structural view (semi-sectional view) of the present invention;
FIG. 2 is a side view of FIG. 1 (semi-sectional view, liquid-absorbing state);
FIG. 3 is a side view of FIG. 1 (semi-sectional view, liquid discharge state);
in the figure: 1-pump housing; 2-plunger cylinder; 3-a plunger rod; 4-sealing ring; 5-a screw; 6-connecting lugs; 7-a threaded connection shaft; 8-a threaded hole; 9-joint bearing seat; 10-knuckle bearing; 11-an output shaft; 12-a photo-couple counting sheet; 13-lower adjustment bracket; 14-upper adjustment bracket; 15-liquid inlet pipe; 16-plunger plane; 17-a liquid outlet pipe; 18-a bearing bore; 20-a guide rod;
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A high-precision micro-control metering pump comprises a motor, a transmission unit and a liquid pumping and discharging execution unit, wherein the bottom of the transmission unit is connected with the motor, and the top of the transmission unit is connected with the liquid pumping and discharging execution unit; the transmission unit comprises an upper adjusting bracket 14, a lower adjusting bracket 13, a joint bearing seat 9, a joint bearing 10 and a plunger rod 3, wherein the lower adjusting bracket is fixedly arranged at the top of the motor, one side of the lower adjusting bracket is hinged with the upper adjusting bracket, and the other side of the lower adjusting bracket is adjustably connected with the upper adjusting bracket through a screw 5; the joint bearing seat rotates in the lower adjusting bracket, and the bottom of the joint bearing seat is coaxially and fixedly connected with an output shaft 11 of the motor; the top of the upper adjusting bracket is fixedly provided with a pumping and discharging execution unit, and the middle part of the upper adjusting bracket moves and penetrates through a plunger rod provided with the pumping and discharging execution unit; the bottom of the plunger rod is radially and fixedly provided with a guide rod 20, and the guide rod is movably sleeved with a joint bearing which rotates along with the circumferential direction of the joint bearing seat.
The pumping and discharging execution unit further comprises a pump shell 1 and a plunger cylinder 2, wherein the pump shell is coaxially and fixedly arranged at the top of the upper adjusting bracket, the plunger cylinder is axially and fixedly arranged in the pump shell, and a liquid inlet pipe 15 and a liquid outlet pipe 17 which are communicated with the interior of the plunger cylinder are arranged on the pump shell; the top of the plunger rod is provided with a plunger plane 16 which enables the plunger cylinder to regulate and communicate the liquid inlet pipe and the liquid outlet pipe; a sealing ring 4 is hermetically sleeved on the plunger rod at the joint of the plunger cylinder and the upper adjusting bracket.
Moreover, the outer walls of the upper adjusting bracket and the lower adjusting bracket are uniformly provided with connecting lugs 6, and threaded connecting shafts 7 are rotatably arranged in the connecting lugs along the horizontal direction; the threaded connecting shaft is provided with a threaded hole 8 which is through in the radial direction, and the threaded hole penetrates through and is in threaded connection with a screw rod for adjusting the connection deflection angle of the upper adjusting bracket and the lower adjusting bracket.
Moreover, the side wall of the joint bearing seat is provided with a bearing hole 18, and the joint bearing is installed in the bearing hole in a rotating fit mode.
And, a light couple counting sheet 12 is fixedly sleeved on an output shaft in the lower adjusting bracket.
Additionally, the utility model discloses preferred, motor, sealing washer and light couple count piece all adopt the ripe product among the prior art.
In order to more clearly describe the embodiments of the present invention, an example is provided below:
the utility model discloses a high accuracy micro-control measuring pump starter motor when using, it is rotatory to drive the output shaft, count by the epaxial light couple counting disc of output (this count mode adopts the ripe means among the prior art), and the output shaft drives the coaxial rotation of joint bearing frame, joint bearing frame drives the joint bearing on its lateral wall and uses the output shaft as the synchronous circumference rotation in centre of a circle, joint bearing will apply for plunger rod circumference revolving force through the guide arm this moment, and because it has certain connection declination to go up the regulation support and adjust the support down, so joint bearing's circumference is rotatory for the power that the plunger rod provided piston motion equally, the in-process of joint bearing rotation a week promptly, imbibition-flowing back is accomplished on the plunger plane at plunger rod top.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. The utility model provides a high accuracy micro-control measuring pump, includes the motor, its characterized in that: the device also comprises a transmission unit and a liquid pumping and discharging execution unit, wherein the bottom of the transmission unit is connected with a motor, and the top of the transmission unit is connected with the liquid pumping and discharging execution unit; the transmission unit comprises an upper adjusting bracket, a lower adjusting bracket, a joint bearing seat, a joint bearing and a plunger rod, wherein the lower adjusting bracket is fixedly arranged at the top of the motor, one side of the lower adjusting bracket is hinged with the upper adjusting bracket, and the other side of the lower adjusting bracket is adjustably connected with the upper adjusting bracket through a screw rod; the joint bearing block rotates in the lower adjusting bracket, and the bottom of the joint bearing block is coaxially and fixedly connected with an output shaft of the motor; the top of the upper adjusting bracket is fixedly provided with a pumping and discharging execution unit, and the middle part of the upper adjusting bracket moves and penetrates through a plunger rod provided with the pumping and discharging execution unit; and a guide rod is fixedly arranged at the bottom of the plunger rod in the radial direction, and a joint bearing which rotates along with the circumferential direction of the joint bearing seat is movably sleeved on the guide rod.
2. The high-precision micro-control metering pump according to claim 1, characterized in that: the pumping and discharging execution unit further comprises a pump shell and a plunger cylinder, wherein the pump shell is coaxially and fixedly arranged at the top of the upper adjusting bracket, the plunger cylinder is axially and fixedly arranged in the pump shell, and a liquid inlet pipe and a liquid outlet pipe which are communicated with the interior of the plunger cylinder are arranged on the pump shell; the top of the plunger rod is provided with a plunger plane which enables the plunger cylinder to regulate and communicate the liquid inlet pipe and the liquid outlet pipe; and a sealing ring is hermetically sleeved on the plunger rod at the joint of the plunger cylinder and the upper adjusting support.
3. The high-precision micro-control metering pump according to claim 1, characterized in that: the outer walls of the upper adjusting bracket and the lower adjusting bracket are uniformly provided with connecting lugs, and threaded connecting shafts are rotatably arranged in the connecting lugs along the horizontal direction; the threaded connecting shaft is provided with a threaded hole which is through in the radial direction, and a screw rod for adjusting the connection deflection angle of the upper adjusting bracket and the lower adjusting bracket penetrates through the threaded hole and is in threaded connection with the threaded hole.
4. The high-precision micro-control metering pump according to claim 1, characterized in that: and a bearing hole is formed in the side wall of the joint bearing seat, and a joint bearing is installed in the bearing hole in a rotating fit mode.
5. The high-precision micro-control metering pump according to claim 1, characterized in that: and a light couple counting sheet is fixedly sleeved on an output shaft in the lower adjusting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921959774.1U CN211230740U (en) | 2019-11-14 | 2019-11-14 | High-precision micro-control metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921959774.1U CN211230740U (en) | 2019-11-14 | 2019-11-14 | High-precision micro-control metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230740U true CN211230740U (en) | 2020-08-11 |
Family
ID=71934829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921959774.1U Active CN211230740U (en) | 2019-11-14 | 2019-11-14 | High-precision micro-control metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230740U (en) |
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2019
- 2019-11-14 CN CN201921959774.1U patent/CN211230740U/en active Active
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