CN212479484U - Single-cylinder reciprocating piston metering pump - Google Patents
Single-cylinder reciprocating piston metering pump Download PDFInfo
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- CN212479484U CN212479484U CN202021178367.XU CN202021178367U CN212479484U CN 212479484 U CN212479484 U CN 212479484U CN 202021178367 U CN202021178367 U CN 202021178367U CN 212479484 U CN212479484 U CN 212479484U
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Abstract
The utility model provides a single-cylinder reciprocating piston metering pump, which solves the technical problems that the prior horizontal bar piston pump has a fluid refilling action, is interrupted to convey fluid outwards and has poor operation efficiency; two ends of the cylinder body are respectively provided with a medium valve, medium flows into the cylinder body from one medium valve, and the other medium valve flows out of the cylinder body; the converter is also provided with two medium cavities, wherein one medium cavity is connected with the input pipeline, and the other medium cavity is connected with the output pipeline; the medium chamber is equipped with medium flow opening, and medium intercommunication mouth communicates with the medium valve respectively, and the converter still is equipped with rotary mechanism, drives the converter and rotates for adjust the medium flow opening on the medium chamber that is equipped with the input pipeline and link to each other with the medium valve that flows in the medium to the cylinder body, be equipped with the medium flow opening on the medium chamber of output pipeline and link to each other with the medium valve that flows out the medium from the cylinder body.
Description
Technical Field
The utility model belongs to the technical field of the measuring pump technique and specifically relates to a reciprocating type piston measuring pump of single cylinder.
Background
Metering pumps (Metering pumps) are also referred to as Metering pumps or proportional pumps. The metering pump is a special volumetric pump which can meet the requirements of various strict process flows, can realize stepless regulation of the flow rate within the range of 0-100 percent and is used for conveying media (particularly corrosive media). Metering pumps are one type of fluid delivery machine that are characterized by the ability to maintain a constant flow rate independent of discharge pressure. The metering pump can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow. By using a plurality of metering pumps, several media can be input into the process flow according to an accurate proportion for mixing. Due to its own prominence, metering pumps are now widely used in various industrial fields such as petrochemical industry, pharmaceutical industry, food industry, and the like.
In the conventional metering pump, when a piston moves towards a rear dead center, vacuum is gradually formed in a pump cavity, a suction valve is opened, and a medium is sucked; when the piston moves towards the front dead center, the suction valve is closed, the discharge valve is opened, and the medium is discharged when the piston moves further; the pump can work in a reciprocating way to form intermittent pressure and quantitative discharge media, and the media cannot be discharged continuously.
Disclosure of Invention
The utility model discloses a solve current single cylinder measuring pump and adopt the action that has a fluid to mend again, be interrupted outside transport fluid, technical problem that operating efficiency is poor provides a convenient operation, can last the reciprocating type piston measuring pump of single cylinder of stabilizing the output medium.
Therefore the utility model discloses be equipped with the cylinder body, the inside of cylinder body is equipped with the piston, and the rear end of piston passes through drive mechanism and connects the motor, drives the piston and comes the return motion inside the cylinder body, and the both ends of cylinder body all are equipped with the medium valve, and the medium flows into the cylinder body from a medium valve, and another medium valve flows out the cylinder body, its characterized in that: the converter is also provided with two medium cavities, wherein one medium cavity is connected with the input pipeline, and the other medium cavity is connected with the output pipeline; the medium cavity is provided with a medium flow opening which is respectively communicated with the medium valves, the converter is also provided with a rotating mechanism which drives the converter to rotate and is used for adjusting the medium flow opening on the medium cavity provided with the input pipeline to be communicated with the medium valve which flows in the medium to the cylinder body and adjusting the medium flow opening on the medium cavity provided with the output pipeline to be communicated with the medium valve which flows out the medium from the cylinder body.
Preferably, the converter is provided with a rotating cylinder, and a baffle is arranged in the middle of the rotating cylinder to form two symmetrical medium cavities; a rotary seat is arranged outside the rotary cylinder, and the rotary cylinder can rotate in the rotary seat; the rotary mechanism is also arranged to control the rotary cylinder to rotate; the rotating seat is fixed on the outer side of the cylinder body.
Preferably, the rotary cylinder is cylindrical, the medium flow ports are formed in the bottom of the rotary cylinder, the four medium flow ports are identical in size and are uniformly distributed on the same circumference of the end face of the bottom of the rotary cylinder, the medium flow ports, connected with the input pipeline and the output pipeline, of the medium cavity are arranged oppositely, and the medium flow ports, communicated with the medium valve, of the medium cavity are arranged oppositely; the piston switches direction and the rotating cylinder rotates 90 degrees.
Preferably, one end parts of the input pipeline and the output pipeline are respectively arranged on the rotary seat, and the input pipeline and the output pipeline which are arranged on the rotary seat are arranged on the same horizontal plane and are arranged at two opposite ends of the rotary seat; a pipeline is arranged between the bottom surface of the rotary cylinder and the upper end surface of the corresponding position of the rotary seat, and the input pipeline and the output pipeline are both connected with the medium cavity through pipelines; after the rotating cylinder rotates, the next rotating direction is opposite.
Preferably, the device is further provided with a controller, the motor for controlling the movement of the piston is connected with the controller, and the controller controls the moving speed of the piston by controlling the rotating speed of the motor, so as to control the medium flow of the input pipeline and the medium flow of the output pipeline.
Preferably, the transmission mechanism is provided with a piston rod, the inner end of the piston rod is fixedly connected with the piston, the outer end of the piston rod is provided with threads to form a worm, and a turbine is arranged on a rotating shaft of the motor to form turbine transmission.
Preferably, the rotating mechanism is provided with a rotary switch, the top end of the converter is provided with a connecting rod, and the rotary switch is fixedly connected with the connecting rod through a coupler; wherein, the rotary switch adopts a pneumatic switch or an electric switch.
The utility model has the advantages as follows:
the utility model is provided with a converter, the converter is provided with two medium cavities, one of which is connected with an input pipeline, and the other is connected with an output pipeline; the medium cavity is provided with a medium flow port which is respectively communicated with the medium valves, the converter is also provided with a rotating mechanism which drives the converter to rotate and is used for adjusting the medium flow port on the medium cavity provided with an input pipeline to be connected with the medium valve which flows the medium into the cylinder body, and the medium flow port on the medium cavity provided with an output pipeline is connected with the medium valve which flows the medium out of the cylinder body; the motor drives the piston to move back and forth in the cylinder body, medium valves are arranged at two ends of the cylinder body, a medium flows into the cylinder body from one medium valve, the other medium valve flows out of the cylinder body, and when the medium is output from one side of the cylinder body, the medium can be supplemented from the other side of the cylinder body, so that the medium can be continuously and stably output; the moving speed of the piston in the cylinder body can be controlled by adjusting the rotating speed of the motor, so that the output flow of the medium is controlled; the converter does not switch, and this novel horizontal bar piston measuring pump that can regard as ordinary uses, intermittent type nature output medium.
The converter is provided with a rotating cylinder, and a baffle is arranged in the middle of the rotating cylinder to form two symmetrical medium cavities; a rotary seat is arranged outside the rotary cylinder, and the rotary cylinder can rotate in the rotary seat; the rotary mechanism is also arranged to control the rotary cylinder to rotate; the rotary seat is fixed on the outer side of the cylinder body, and the converter with the rotary cylinder is simple in structure and convenient to operate.
The rotary cylinder is cylindrical, the medium flow ports are formed in the bottom of the rotary cylinder, the four medium flow ports are identical in size and are uniformly distributed on the same circumference of the end face of the bottom of the rotary cylinder, the medium flow ports, connected with the input pipeline and the output pipeline, of the medium cavity are arranged oppositely, and the medium flow ports, communicated with the medium valve, of the medium cavity are arranged oppositely; the piston switches direction, and the rotating cylinder rotates forwards and backwards by 90 degrees, so that the switching can be realized, and the operation and the control are convenient.
One end parts of the input pipeline and the output pipeline are respectively arranged on the rotary seat, and the input pipeline and the output pipeline which are arranged on the rotary seat are arranged on the same horizontal plane and are arranged at two opposite ends of the rotary seat; the switching action of the converter is arranged in the rotating seat, and the input pipeline and the output pipeline do not need to rotate along with the rotating cylinder, so that the input pipeline and the output pipeline are prevented from being damaged; after the rotary cylinder rotates, the next rotation direction is opposite, the rotary cylinder can be limited, and the rotary cylinder is more accurate in position in the rotary base during each rotation operation.
The controller can realize accurate control of the output medium flow and automatic control.
The transmission mechanism adopts turbine transmission, and the single-stage speed ratio is large, the noise is low, and the vibration is small.
And a pneumatic switch is adopted, so that the structure is simple and the switching speed is high.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
The symbols in the figures are labeled as follows:
1 is a cylinder, 11 is a piston, 12 is a transmission mechanism, 121 is a piston rod, 13 is a motor, and 14 is a medium valve;
Detailed Description
As shown in fig. 1 and 2:
the utility model discloses be equipped with cylinder body 1, the inside of cylinder body 1 is equipped with piston 11, and the rear end of piston 11 passes through drive mechanism 12 and connects motor 13, drives piston 11 at the inside back and forth movement of cylinder body 1, and the both ends of cylinder body 1 all are equipped with medium valve 14, and the medium flows into the cylinder body from a medium valve 14, and another medium valve 14 flows out the cylinder body.
The device is also provided with a converter 2, the converter 2 is provided with a rotating cylinder 21, and a baffle plate is arranged in the middle of the rotating cylinder 21 to form two symmetrical medium cavities 211; a rotary seat 25 is arranged outside the rotary cylinder 21, and the rotary cylinder 21 can rotate in the rotary seat 25; the rotary mechanism 24 is also arranged to control the rotation of the rotary cylinder 21; the rotary base 25 is fixed to the outside of the cylinder 1.
One medium chamber 211 of the rotary cylinder 21 is connected to the input pipe 22, and the other medium chamber 211 is connected to the output pipe 23; the medium chamber 211 has medium flow ports 2111, and the medium communication ports 2111 communicate with the medium valves 14, respectively.
The rotating mechanism 24 is provided with a rotating switch 241, the top end of the rotating cylinder 21 is provided with a connecting rod 212, and the rotating switch 241 is fixedly connected with the connecting rod 212 through a coupler to drive the converter 2 to rotate; a medium flow port 2111 of the medium chamber 211 provided with the input pipe 22 is communicated with the medium valve 14 for flowing the medium into the cylinder 1, and a medium flow port 2111 of the medium chamber 211 provided with the output pipe 23 is communicated with the medium valve 14 for flowing the medium out of the cylinder 1; thereby realizing that the output pipeline 23 can continuously and stably output the medium. The rotary switch 241 may be a pneumatic switch or an electric switch.
The rotating cylinder 21 is cylindrical, the medium flow ports 2111 are arranged at the bottom of the rotating cylinder 21, the four medium flow ports 2111 are uniformly distributed on the same circumference of the end face of the bottom of the rotating cylinder 21, the medium flow ports 2111 of the medium cavity 211, which are mutually connected with the input pipeline 22 and the output pipeline 23, are arranged oppositely, and the medium flow ports 2111 of the medium cavity 211, which are communicated with the medium valve 14, are arranged oppositely; the piston 11 switches direction and the rotary cylinder 21 rotates 90 degrees.
Preferably, one end parts of the input pipeline 22 and the output pipeline 23 are arranged on the rotary base 25, and the input pipeline 22 and the output pipeline 23 arranged on the rotary base 25 are arranged on the same horizontal plane and are arranged at two opposite ends of the rotary base 25; a pipeline is arranged between the bottom surface of the rotary cylinder 21 and the upper end surface of the corresponding position of the rotary seat 25, and the input pipeline 22 and the output pipeline 23 are both connected with the medium cavity 211 through pipelines; after the rotation of the rotary cylinder 21, the next rotation direction is reversed.
Preferably, a controller is further provided, the motor 13 for controlling the movement of the piston 11 is connected with the controller, and the controller controls the moving speed of the piston 11 by controlling the rotating speed of the motor 13, so as to control the medium flow of the input pipeline 22 and the output pipeline 23.
Preferably, the transmission mechanism 12 is provided with a piston rod 121, the inner end of the piston rod 121 is fixedly connected with the piston 11, the outer side of the outer end of the piston rod 121 is provided with a thread to form a worm, and the rotating shaft of the motor 13 is provided with a turbine to form turbine transmission.
However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a reciprocating type piston measuring pump of single cylinder, is equipped with the cylinder body, and the inside of cylinder body is equipped with the piston, and the rear end of piston passes through drive mechanism and connects the motor, drives the piston and comes the motion back and forth inside the cylinder body, and the both ends of cylinder body all are equipped with the medium valve, and the medium flows into the cylinder body from a medium valve, and another medium valve flows out the cylinder body, its characterized in that: the converter is also provided with two medium cavities, wherein one medium cavity is connected with the input pipeline, and the other medium cavity is connected with the output pipeline; the medium cavity is provided with a medium flow opening which is respectively communicated with the medium valves, the converter is also provided with a rotating mechanism which drives the converter to rotate and is used for adjusting the medium flow opening on the medium cavity provided with the input pipeline to be connected with the medium valve which flows in the medium to the cylinder body and the medium flow opening on the medium cavity provided with the output pipeline to be connected with the medium valve which flows out the medium from the cylinder body.
2. The single cylinder reciprocating piston metering pump of claim 1, wherein: the converter is provided with a rotating cylinder, and a baffle is arranged in the middle of the rotating cylinder to form two symmetrical medium cavities; a rotary seat is arranged outside the rotary cylinder, and the rotary cylinder can rotate in the rotary seat; the rotary mechanism is also arranged to control the rotary cylinder to rotate; the rotating seat is fixed on the outer side of the cylinder body.
3. The single cylinder reciprocating piston metering pump of claim 2, wherein: the rotary cylinder is cylindrical, the medium flow ports are formed in the bottom of the rotary cylinder, the four medium flow ports are identical in size and are uniformly distributed on the same circumference of the end face of the bottom of the rotary cylinder, the medium flow ports, connected with the input pipeline and the output pipeline, of the medium cavity are arranged oppositely, and the medium flow ports, communicated with the medium valve, of the medium cavity are arranged oppositely; the piston switches direction and the rotating cylinder rotates 90 degrees.
4. The single cylinder reciprocating piston metering pump of claim 3, wherein: one end parts of the input pipeline and the output pipeline are respectively arranged on the rotary seat, and the input pipeline and the output pipeline which are arranged on the rotary seat are arranged on the same horizontal plane and are arranged at two opposite ends of the rotary seat; a pipeline is arranged between the bottom surface of the rotary cylinder and the upper end surface of the corresponding position of the rotary seat, and the input pipeline and the output pipeline are both connected with the medium cavity through pipelines; after the rotating cylinder rotates, the next rotating direction is opposite.
5. The single cylinder reciprocating piston metering pump of any one of claims 1 to 4, wherein: the controller controls the moving speed of the piston by controlling the rotating speed of the motor, and further controls the medium flow of the input pipeline and the medium flow of the output pipeline.
6. The single cylinder reciprocating piston metering pump of any one of claims 1 to 4, wherein: the transmission mechanism is provided with a piston rod, the inner end of the piston rod is fixedly connected with the piston, the outer end of the piston rod is provided with threads and forms a worm, and a turbine is arranged on a rotating shaft of the motor to form turbine transmission.
7. The single cylinder reciprocating piston metering pump of any one of claims 1 to 4, wherein: the rotating mechanism is provided with a rotating switch, the top end of the converter is provided with a connecting rod, and the rotating switch is fixedly connected with the connecting rod through a coupler; wherein, the rotary switch adopts a pneumatic switch or an electric switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178367.XU CN212479484U (en) | 2020-06-23 | 2020-06-23 | Single-cylinder reciprocating piston metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178367.XU CN212479484U (en) | 2020-06-23 | 2020-06-23 | Single-cylinder reciprocating piston metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479484U true CN212479484U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021178367.XU Active CN212479484U (en) | 2020-06-23 | 2020-06-23 | Single-cylinder reciprocating piston metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479484U (en) |
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2020
- 2020-06-23 CN CN202021178367.XU patent/CN212479484U/en active Active
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