CN113357117A - Double-channel piston pump - Google Patents
Double-channel piston pump Download PDFInfo
- Publication number
- CN113357117A CN113357117A CN202110626697.3A CN202110626697A CN113357117A CN 113357117 A CN113357117 A CN 113357117A CN 202110626697 A CN202110626697 A CN 202110626697A CN 113357117 A CN113357117 A CN 113357117A
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- CN
- China
- Prior art keywords
- oil
- piston pump
- piston
- pipe
- main body
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1087—Valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Abstract
The invention provides a double-channel piston pump, which comprises a piston pump main body, an oil inlet cavity and an oil discharge cavity, wherein the oil inlet cavity and the oil discharge cavity are arranged in the piston pump main body, a piston capable of moving along the oil inlet cavity and the oil discharge cavity is arranged in the piston pump main body, oil guide pipes are connected with four corners of the piston pump main body, the oil guide pipes are communicated with the oil inlet cavity and the oil discharge cavity, a sealing element for sealing an oil circuit is arranged in each oil guide pipe, each sealing element comprises a conical sealing plate, a spring and an oil baffle plate hermetically arranged with the oil guide pipe, the conical sealing plate capable of moving along the oil guide pipe is arranged in each oil guide pipe, a conical groove for sealing the conical sealing plate is formed in each oil baffle plate, the spring connected with the conical sealing plate is arranged in each oil pipe, the oil guide pipe at the top of the piston pump main body is connected with a degassing tower, the oil inlet and oil discharge balance of a vacuum oil filter can be realized by one piston type double-channel oil pump, and the double-channel piston pump is used, the oil-gas well pump can replace the existing mode of balancing oil inlet and oil outlet by means of oil inlet pump, oil outlet pump, liquid level switch, frequency converter and PLC control.
Description
Technical Field
The invention relates to the technical field of vacuum oil filtering equipment, in particular to a double-channel piston pump.
Background
In the prior art, a vacuum oil filter generally uses an oil inlet pump and an oil discharge pump to cooperate, the oil inlet pump conveys oil into a vacuum degassing tower, and oil flow is collected to the bottom of the degassing tower after being degassed and then conveyed to an outlet of the vacuum oil filter through the oil discharge pump. When oil is fed, vacuum suction is generated in a pipeline, the oil feeding amount is larger than the oil discharging flow (the specifications of an oil feeding pump and an oil discharging pump are the same), so that the liquid level in the degassing tower is slowly increased, the liquid level is controlled to be increased by closing the oil feeding pump or reducing the rotating speed of a motor of the oil feeding pump through a frequency converter, and the dynamic balance of oil feeding and oil discharging is ensured.
In the prior art, two oil pumps are required to be used when the piston pump is used, a liquid level sensor, a PLC, a frequency converter and the like are required to be used, an electric interlocking protection design is required to be carried out, oil inlet and oil discharge balance of an oil filter can be realized, and the piston pump has the advantages of numerous used mechanical and electric components, long operation debugging time and high cost.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art, the oil inlet and oil outlet balance of the vacuum oil filter can be realized by one piston type double-channel oil pump, and the double-channel piston pump can replace the existing mode of controlling the oil inlet and oil outlet balance by an oil inlet pump, an oil outlet pump, a liquid level switch, a frequency converter and a PLC (programmable logic controller), and has the advantages of short operation and debugging time and low cost.
In order to solve the technical problems, the invention adopts the technical scheme that: a double-channel piston pump comprises a piston pump main body, an oil inlet cavity and an oil discharge cavity, wherein the oil inlet cavity and the oil discharge cavity are arranged in the piston pump main body;
the sealing member comprises toper closing plate, spring and with oil pipe seal installation's fender oil board, leads the inside toper closing plate that is provided with of oil pipe and can follow its removal, offers the taper groove that is used for toper closing plate to seal on the fender oil board, and oil pipe internally mounted has the spring that links to each other with the toper closing plate, oil pipe links to each other with the degasser at piston pump main part top.
Furthermore, the bottom of the piston pump main body is connected with an oil inlet pipe through an oil guide pipe close to one end of the oil inlet cavity, and is connected with an oil outlet pipe through an oil guide pipe close to one end of the oil discharge cavity.
Furthermore, the sealing element inside the oil guide pipe close to one end of the oil inlet cavity and the sealing element inside the oil guide pipe close to one end of the oil discharge cavity are symmetrically arranged.
Furthermore, the piston is installed in the piston pump main body through piston sealing, a piston rod is installed on the piston, the piston rod is connected with the piston pump main body through piston rod sealing, and the other end of the piston rod is connected with the motor through a crankshaft mechanism.
Further, the degassing tower is internally provided with a filler for increasing the fluid flow area, and is connected with a vacuum pump through a pipeline.
Furthermore, a stop lever is arranged in the oil guide pipe, one end of the stop lever, which is close to the spring, is of a planar structure, and the spring is arranged on the stop lever.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention uses the double-channel piston pump to replace the prior mode of controlling oil inlet and outlet balance by an oil inlet pump, an oil outlet pump, a liquid level switch, a frequency converter and a PLC, and has the advantages of simple structure, short operation and debugging time, low cost and convenient use.
2. The invention replaces the work of two oil pumps (an oil inlet pump and an oil discharge pump) by one 'double-channel piston pump', ensures the balance of oil inlet and oil discharge, reduces the installation cost of an oil path, and improves the stability of the oil path.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 is a schematic view showing a structure of a piston pump body in a double channel piston pump according to an embodiment of the present invention;
fig. 2 is a schematic view showing a piston pump body of a double channel piston pump according to an embodiment of the present invention connected to a degassing tower.
Reference numbers in the figures: 1-piston rod, 2-degassing tower, 3-piston rod seal, 4-oil inlet cavity, 5-stop rod, 6-oil guide pipe, 7-oil baffle plate, 8-conical seal plate, 9-spring, 10-piston pump body, 11-piston, 12-piston seal, 13-oil discharge cavity and 14-filler.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
An embodiment according to the invention is shown in connection with fig. 1 and 2: the utility model provides a binary channels piston pump, includes piston pump main part 10, locates the inside oil feed chamber 4 and the oil extraction chamber 13 of piston pump main part 10, and piston pump main part 10 internally mounted has the piston 11 that can follow oil feed chamber 4 and oil extraction chamber 13 and remove, and the four corners all is connected with and leads oil pipe 6 in the piston pump main part 10, leads oil pipe 6 and communicates with each other with oil feed chamber 4 and oil extraction chamber 13, leads the sealing member that oil pipe 6 internally mounted has the closed oil circuit.
The sealing member comprises tapered sealing plate 8, spring 9 and with lead oil pipe 6 seal installation's fender oil board 7 and constitute, it can follow its tapered sealing plate 8 that removes to lead oil pipe 6 inside to be provided with, set up the tapered groove that is used for tapered sealing plate 8 to seal on the fender oil board 7, oil pipe internally mounted has the spring 9 that links to each other with tapered sealing plate 8, oil pipe 6 is led at piston pump main part 10 top and is linked to each other with degasser 2, take out the inside air of piston pump main part 10 through degasser 2, degasser 2 inside is provided with the filler 14 that is used for increasing the fluid flow area, degasser 2 passes through the pipeline and links to each other with the vacuum pump, through set up filler 14 in degasser 2 inside, when the fluid passed materials, can spread, increase the area, conveniently degasser.
In piston pump main part 10 bottom, be close to 4 one ends of oil feed chamber lead oil pipe 6 and advance oil pipe and link to each other, it is inside oil input piston pump main part 10 to link to each other through advancing oil pipe with going out oil pipe to be close to oil feed chamber 13 one end lead oil pipe 6 and go out oil pipe, through going out oil pipe with the inside oil discharge of piston pump main part 10, circulation flow carries out, be close to 4 one ends of oil feed chamber and lead the inside sealing member of oil pipe 6, lead the inside sealing member symmetry setting of oil pipe 6 with being close to 13 one ends of oil feed chamber, set up the sealing member according to the direction of difference, when carrying out the use, be convenient for seal the fluid and emit.
The piston 11 is arranged in the piston pump main body 10 through the piston seal 12, the piston seal 12 improves the sealing performance of the piston 11 in the piston pump main body 10 and prevents the oil passages in the oil inlet cavity 4 and the oil discharge cavity 13 from being communicated, the piston 11 is provided with the piston rod 1, the piston rod 1 is connected with the piston pump main body 10 through the piston rod seal 3 in a sealing way, the piston rod 1 is sealed by the piston seal 12, the sealing performance of the piston pump main body 10 is improved, oil is prevented from leaking from the piston rod 1, the other end of the piston rod 1 is connected with the motor through a crankshaft mechanism, the piston rod 1 is driven to move continuously and reciprocally by the motor driving the crankshaft connecting rod mechanism, the oil guide pipe 6 is internally provided with a stop lever 5, one end of the stop lever 5 close to a spring 9 is arranged to be a plane structure, the spring 9 is arranged on the stop lever 5, the spring 9 is installed through the stop lever 5, and the installation surface is of a plane structure, so that the installation stability is improved.
As an embodiment of the invention, when the piston pump body 10 is used, the motor drives the piston rod 1 to reciprocate through the crankshaft mechanism, the piston rod 1 drives the piston 11 to move from the oil inlet cavity 4 to the oil outlet cavity 13, the inside of the oil inlet cavity 4 generates negative pressure, the conical sealing plate 8 at the oil inlet cavity 4 receives the internal negative pressure to compress the spring 9, a certain amount of oil at the inlet pipeline of the oil inlet pipe is sucked into the oil inlet cavity 4 through the oil guide pipe 6, the conical sealing plate 8 at the oil outlet cavity 13 receives oil pressure to compress the spring 9, a certain amount of oil is discharged from the oil outlet cavity 13 to the oil outlet pipeline, the piston 11 moves to the farthest end of the oil outlet cavity 13, and then when the piston pump body 13 moves to the direction of the oil inlet cavity 4, the oil inlet cavity 4 conveys the sucked fixed amount of oil into the degassing tower 2, the air in the degassing tower 2 is pumped out through the vacuum pump, and the oil at the bottom of the degassing tower 2 is sucked into the oil outlet cavity 13, the piston 11 leads to, realizes the not intermittent type of oil and carries, and guarantees that oil feed and oil extraction are balanced.
In the embodiment, when fluid passes through the filler 14, the fluid can be spread, the area is increased, degassing is convenient, the existing mode of balancing oil inlet and oil outlet by means of oil inlet pump, oil outlet pump, liquid level switch, frequency converter and PLC control can be replaced by the double-channel piston 11 pump, the structure is simple, the operation and debugging time is short, the cost is low, and the use is convenient.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (6)
1. The double-channel piston pump is characterized by comprising a piston pump main body (10), an oil inlet cavity (4) and an oil discharge cavity (13) which are arranged inside the piston pump main body (10), wherein a piston (11) which can move along the oil inlet cavity (4) and the oil discharge cavity (13) is arranged inside the piston pump main body (10), four corners of the piston pump main body (10) are respectively connected with an oil guide pipe (6), the oil guide pipes (6) are communicated with the oil inlet cavity (4) and the oil discharge cavity (13), and a sealing element for sealing an oil way is arranged inside the oil guide pipes (6);
the sealing member comprises toper closing plate (8), spring (9) and with oil pipe (6) seal installation's fender oilboard (7), leads inside toper closing plate (8) that is provided with of oil pipe (6) and can follow its removal, offers on fender oilboard (7) to be used for the sealed tapered groove of toper closing plate (8), and oil pipe internally mounted has spring (9) that link to each other with toper closing plate (8), oil pipe (6) are led at piston pump main part (10) top and are linked to each other with degasification tower (2).
2. The dual channel piston pump as claimed in claim 1, wherein at the bottom of the piston pump body (10), the oil guide pipe (6) near the end of the oil inlet chamber (4) is connected to the oil inlet pipe, and the oil guide pipe (6) near the end of the oil discharge chamber (13) is connected to the oil outlet pipe.
3. The double-channel piston pump as claimed in claim 1, characterized in that the seal inside the oil conduit (6) close to the oil inlet chamber (4) is arranged symmetrically to the seal inside the oil conduit (6) close to the oil outlet chamber (13).
4. The double-channel piston pump as claimed in claim 1, characterized in that the piston (11) is mounted inside the piston pump body (10) by a piston seal (12), the piston (11) is provided with a piston rod (1), the piston rod (1) is connected with the piston pump body (10) by a piston rod seal (3) in a sealing manner, and the other end of the piston rod (1) is connected with the motor by a crankshaft mechanism.
5. The double channel piston pump as claimed in claim 1, characterised in that the degassing column (2) is provided internally with a packing (14) for increasing the fluid flow area, the degassing column (2) being connected to a vacuum pump by means of a pipe.
6. The dual-channel piston pump as claimed in claim 1, wherein a stop rod (5) is arranged inside the oil conduit (6), one end of the stop rod (5) close to the spring (9) is arranged in a plane structure, and the spring (9) is mounted on the stop rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626697.3A CN113357117A (en) | 2021-06-04 | 2021-06-04 | Double-channel piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626697.3A CN113357117A (en) | 2021-06-04 | 2021-06-04 | Double-channel piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113357117A true CN113357117A (en) | 2021-09-07 |
Family
ID=77532338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110626697.3A Pending CN113357117A (en) | 2021-06-04 | 2021-06-04 | Double-channel piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113357117A (en) |
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2021
- 2021-06-04 CN CN202110626697.3A patent/CN113357117A/en active Pending
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