CN111322510A - Automatic reversing valve for electric terminal centralized lubricating system - Google Patents
Automatic reversing valve for electric terminal centralized lubricating system Download PDFInfo
- Publication number
- CN111322510A CN111322510A CN202010253899.3A CN202010253899A CN111322510A CN 111322510 A CN111322510 A CN 111322510A CN 202010253899 A CN202010253899 A CN 202010253899A CN 111322510 A CN111322510 A CN 111322510A
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- oil
- valve body
- electric terminal
- piston
- passing channel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N25/00—Distributing equipment with or without proportioning devices
- F16N25/02—Distributing equipment with or without proportioning devices with reciprocating distributing slide valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
- F16N7/385—Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2280/00—Valves
- F16N2280/02—Valves electromagnetically operated
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an automatic reversing valve for an electric terminal centralized lubricating system, which comprises a valve body, an oil return port, an oil inlet, a first pressure gauge, a second pressure gauge, a pull ring, an iron disc, a concave hole, an adjusting screw, a plastic sleeve, a fixing nut, an electromagnetic chuck, a disc, an electromagnet, a first oil outlet, a second oil outlet, an inner cavity, a U-shaped connecting frame, a flashboard, a round hole, a first oil passing channel, a second oil passing channel, a connecting rod, a fixing rod, a round sleeve, a first piston, a second piston, a straight rod, a fixed embedded plate, a bolt, a movable cavity, a spring and a flashboard movable groove. The invention has reasonable structure, is applied to an electric terminal type centralized lubricating system, performs oil outlet through the first oil outlet and the second oil outlet, alternately sends the lubricant output by the lubricating pump to the two main oil supply pipes, automatically and alternately reverses through the movement of the internal piston, and realizes the driving of the alternate reversing through the magnetic force of the electromagnetic chuck.
Description
Technical Field
The invention relates to an automatic reversing valve, in particular to an automatic reversing valve for an electric terminal centralized lubricating system, and belongs to the technical field of application of automatic reversing valves.
Background
Lubrication is required between the mechanical parts which move relatively, because the relative movement between any parts necessarily generates friction and wear, and lubrication is the most direct and effective method for reducing friction and reducing or delaying wear; lubrication generally needs to be achieved by means of a lubrication system, such as an intelligent lubrication system with the publication number CN 201720984447.6.
In the centralized lubricating system, the output lubricant of the lubricating pump may need to be alternately conveyed to two main oil supply pipes, and a common reversing valve is used for completing the operation. Therefore, the automatic reversing valve for the electric terminal centralized lubrication system is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide an automatic reversing valve for an electric terminal centralized lubrication system.
The invention realizes the purpose by the following technical scheme, and the automatic reversing valve facing to the electric terminal centralized lubrication system comprises a valve body and an inner cavity arranged in the valve body, wherein the front surface of the valve body is provided with an oil return port and an oil inlet which are both communicated with the inner cavity, the back surface of the valve body is provided with a first oil outlet and a second oil outlet, a first oil passing channel and a second oil passing channel are arranged in the valve body, two ends of the first oil passing channel are respectively communicated with the inner cavity and the first oil outlet, two ends of the second oil passing channel are respectively communicated with the inner cavity and the second oil outlet, and the middle parts of the first oil passing channel and the second oil passing channel are provided with flow regulating mechanisms;
the middle part of the inner cavity is fixedly provided with a guide frame, a first piston and a second piston are arranged inside the inner cavity, a connecting rod is fixedly arranged between the first piston and the second piston, the connecting rod penetrates through the middle part of the guide frame and is in sliding connection with the connecting rod, one side of the valve body is provided with a concave hole, an electromagnetic chuck is fixedly embedded inside the concave hole, a round hole is formed inside the valve body and penetrates through the electromagnetic chuck, the inner cavity and the concave hole are communicated through the round hole, one side of the second piston is fixedly connected with a straight rod, the straight rod penetrates through the round hole, and the tail end of the straight rod is fixedly provided with an iron disc;
and a spring is arranged between the fixed embedded plate and the first piston, and two ends of the spring are respectively contacted with the fixed embedded plate and the side wall of the first piston.
Preferably, flow control mechanism includes fixation nut, flashboard movable slot and adjusting screw, the top at the valve body is installed to the fixed gomphosis of fixation nut, adjusting screw runs through fixation nut, and fixation nut and adjusting screw threaded connection, adjusting screw's bottom is rotated and is installed U type link, and the equal fixed mounting in both ends of U type link has the flashboard, the figure in flashboard movable slot is two, and two flashboard movable slots set up respectively at the middle part of first oily passageway of mistake and the middle part of oily passageway of second mistake, flashboard and flashboard movable slot gomphosis.
Preferably, the top of the adjusting screw is fixedly sleeved with a plastic sleeve, and the surface of the plastic sleeve is uniformly provided with a plurality of anti-skidding grooves.
Preferably, the valve body is internally provided with a movable cavity, and the movable cavity is in sliding connection with the U-shaped connecting frame.
Preferably, the guide frame is composed of two fixing rods and a round sleeve, one end of each fixing rod is fixedly connected with the cavity wall of the inner cavity, the other end of each fixing rod is fixedly connected with the round sleeve, and the round sleeve is sleeved on the surface of the connecting rod.
Preferably, the electromagnetic chuck is composed of a disc and a plurality of electromagnets, and the electromagnets are uniformly fixed and embedded on the surface of the disc.
Preferably, two bolts are installed on the surface of the fixed fitting plate, penetrate through the fixed fitting plate, and are inserted into the valve body.
Preferably, one side of the fixed embedded plate is fixedly provided with a pull ring, and the pull ring is of a semi-arc structure.
Preferably, a first pressure gauge is fixedly mounted at the top of the valve body, and the bottom end of the first pressure gauge is located inside the first oil passing channel.
Preferably, a second pressure gauge is fixedly mounted at the top of the valve body, and the bottom end of the second pressure gauge is located inside the second oil passing channel.
The invention has the beneficial effects that:
1. the automatic reversing valve is applied to an electric terminal type centralized lubricating system, oil is discharged through a first oil outlet and a second oil outlet, a lubricating pump outputs a lubricating agent to be alternately sent to two main oil supply pipes, the automatic alternate reversing is realized through the movement of an internal piston, and the driving of alternate reversing is realized through the magnetic force of an electromagnetic chuck;
2. the automatic reversing valve is also provided with a flow regulating mechanism, the flow of the first oil passing channel and the flow of the second oil passing channel can be regulated, the sizes of the first oil passing channel and the second oil passing channel can be regulated, the flow of the valve body in oil outlet can be conveniently regulated, the use is convenient, and the operation is simple;
3. the movement of the piston in the automatic reversing valve realizes the reciprocating movement through the magnetic force of the electromagnetic chuck on the iron disc and the elastic force of the spring, wherein the spring is clamped between the first piston and the fixed embedded plate, the end part of the spring is not fixed, when the spring is replaced, the disassembly of the fixed embedded plate can be realized, the operation is simple, and the convenience is provided for the maintenance of the inner spring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the valve body according to the present invention;
FIG. 3 is a schematic view of the flow regulating mechanism of the present invention;
FIG. 4 is a schematic diagram of an electromagnetic chuck according to the present invention.
In the figure: 1. the oil return valve comprises a valve body, 2, an oil return port, 3, an oil inlet, 4, a first pressure gauge, 5, a second pressure gauge, 6, a pull ring, 7, an iron disc, 8, a concave hole, 9, an adjusting screw rod, 10, a plastic sleeve, 11, a fixing nut, 12, an electromagnetic chuck, 1201, a disc, 1202, an electromagnet, 13, a first oil outlet, 14, a second oil outlet, 15, an inner cavity, 16, a U-shaped connecting frame, 17, a gate plate, 18, a round hole, 19, a first oil passing channel, 20, a second oil passing channel, 21, a connecting rod, 22, a fixing rod, 23, a round sleeve, 24, a first piston, 25, a second piston, 26, a straight rod, 27, a fixed embedded plate, 28, a bolt, 29, a movable cavity, 30, a spring, 31 and a gate plate movable groove.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, the automatic reversing valve facing the electric terminal centralized lubrication system includes a valve body 1 and an inner cavity 15 formed inside the valve body 1, wherein an oil return port 2 and an oil inlet 3 are formed in the front surface of the valve body 1, the oil return port 2 and the oil inlet 3 are both communicated with the inner cavity 15, a first oil outlet 13 and a second oil outlet 14 are formed in the back surface of the valve body 1, a first oil passing channel 19 and a second oil passing channel 20 are formed inside the valve body 1, two ends of the first oil passing channel 19 are respectively communicated with the inner cavity 15 and the first oil outlet 13, two ends of the second oil passing channel 20 are respectively communicated with the inner cavity 15 and the second oil outlet 14, and flow regulating mechanisms are arranged in the middle of the first oil passing channel 19 and in the middle of the second oil passing channel 20;
the middle part of the inner cavity 15 is fixedly provided with a guide frame, a first piston 24 and a second piston 25 are arranged inside the inner cavity 15, a connecting rod 21 is fixedly arranged between the first piston 24 and the second piston 25, the connecting rod 21 penetrates through the middle part of the guide frame and is in sliding connection with the connecting rod 21, one side of the valve body 1 is provided with a concave hole 8, an electromagnetic chuck 12 is fixedly embedded inside the concave hole 8, a round hole 18 is formed inside the valve body 1 and penetrates through the electromagnetic chuck 12, the inner cavity 15 and the concave hole 8 are communicated through the round hole 18, one side of the second piston 25 is fixedly connected with a straight rod 26, the straight rod 26 penetrates through the round hole 18, and the tail end of the straight rod 26 is fixedly provided with an iron plate 7;
a fixed fitting plate 27 is fixedly fitted to one side of the valve body 1, the fixed fitting plate 27 covers one end of the inner cavity 15, a spring 30 is provided between the fixed fitting plate 27 and the first piston 24, and both ends of the spring 30 are in contact with the fixed fitting plate 27 and the side wall of the first piston 24, respectively.
The flow regulating mechanism comprises a fixing nut 11, a gate plate movable groove 31 and a regulating screw 9, the fixing nut 11 is fixedly embedded and installed at the top of the valve body 1, the regulating screw 9 penetrates through the fixing nut 11, the fixing nut 11 is in threaded connection with the regulating screw 9, the bottom end of the regulating screw 9 is rotatably provided with a U-shaped connecting frame 16, two ends of the U-shaped connecting frame 16 are fixedly provided with gate plates 17, the number of the gate plate movable grooves 31 is two, the two gate plate movable grooves 31 are respectively arranged in the middle of the first oil passing channel 19 and the middle of the second oil passing channel 20, the gate plates 17 are embedded with the gate plate movable grooves 31, and the flow of the first oil passing channel 19 and the flow of the second oil passing channel 20 can be regulated; the top of the adjusting screw 9 is fixedly sleeved with a plastic sleeve 10, and the surface of the plastic sleeve 10 is uniformly provided with a plurality of anti-skid grooves, so that the plastic sleeve is convenient to hold and rotate; a movable cavity 29 is formed in the valve body 1, the movable cavity 29 is connected with the U-shaped connecting frame 16 in a sliding mode, and the U-shaped connecting frame 16 can move in the movable cavity 29; the guide frame is composed of two fixing rods 22 and a round sleeve 23, one end of each fixing rod 22 is fixedly connected with the cavity wall of the inner cavity 15, the other end of each fixing rod 22 is fixedly connected with the round sleeve 23, and the round sleeve 23 is sleeved on the surface of the connecting rod 21 and can limit the connecting rod 21 to provide the motion guide of the connecting rod 21; the electromagnetic chuck 12 is composed of a disc 1201 and electromagnets 1202, the number of the electromagnets 1202 is several, and the electromagnets 1202 are uniformly and fixedly embedded on the surface of the disc 1201, the electromagnets 1202 can generate magnetic force and provide adsorption for the iron disc 7; two bolts 28 are mounted on the surface of the fixed embedding plate 27, the bolts 28 penetrate through the fixed embedding plate 27, the bolts 28 are embedded into the valve body 1, the fixed installation of the fixed embedding plate 27 is realized, and the fixed embedding plate 27 can be assembled and disassembled by assembling and disassembling the bolts 28; a pull ring 6 is fixedly arranged on one side of the fixed embedded plate 27, the pull ring 6 is of a semi-arc structure, and the pull ring 6 can be conveniently taken down from the fixed embedded plate 27; the top of the valve body 1 is fixedly provided with a first pressure gauge 4, the bottom end of the first pressure gauge 4 is positioned inside the first oil passing channel 19, and the first pressure gauge 4 can measure the hydraulic pressure in the first oil passing channel 19; and a second pressure gauge 5 is fixedly installed at the top of the valve body 1, the bottom end of the second pressure gauge 5 is positioned inside the second oil passing channel 20, and the second pressure gauge 4 can measure the hydraulic pressure in the second oil passing channel 19.
When the invention is used, electrical elements appearing in the application are externally connected with a power supply and a control switch when in use, oil is fed from the oil inlet 3, oil is fed from the oil return opening 2, the electromagnet 1202 is controlled to be powered on or powered off through the external control switch, when the power is off, the first piston 24 is blocked on the first oil passing channel 19, the second piston 25 is positioned at one side of the inner cavity 15 and is blocked, and the oil is fed from the oil inlet 3, enters the first oil passing channel 19 through the inner cavity 15 and then flows out through the first oil outlet 13, the electromagnet 1202 is energized, the iron disc 7 is attracted, the iron disc 7 is attached to the electromagnetic chuck 12, the second piston 25 and the first piston 24 move, the second piston 25 blocks the second oil passage 20, the first piston 24 stops blocking the first oil passage 19, meanwhile, the spring 30 is compressed, and the alternating oil discharge of the first oil outlet 13 and the second oil outlet 14 is realized by switching on and off the electromagnet 1202;
when the spring 30 needs to be replaced, the bolt 28 is unscrewed, the fixing embedded plate 27 is removed, then the spring 30 is taken out, a new spring 30 is replaced, then the fixing embedded plate 27 is installed again, and the bolt 28 is installed to realize the fixation;
when the oil outlet flow is adjusted, the plastic sleeve 10 is rotated, the adjusting screw 9 rotates relative to the fixing nut 11, the adjusting screw 9 drives the U-shaped connecting frame 16 to ascend and descend, the flashboard 17 is driven to move, the movement in the flashboard movable groove 31 is achieved, the blocking amount of the first oil passing channel 19 and the second oil passing channel 20 by the flashboard 17 can be adjusted, and therefore the flow is adjusted.
It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. Towards electric terminal centralized lubrication system's automatic reversing valve, its characterized in that: the valve comprises a valve body (1) and an inner cavity (15) arranged inside the valve body (1), wherein an oil return port (2) and an oil inlet (3) are arranged on the front surface of the valve body (1), the oil return port (2) and the oil inlet (3) are both communicated with the inner cavity (15), a first oil outlet (13) and a second oil outlet (14) are arranged on the back surface of the valve body (1), a first oil passing channel (19) and a second oil passing channel (20) are arranged inside the valve body (1), two ends of the first oil passing channel (19) are respectively communicated with the inner cavity (15) and the first oil outlet (13), two ends of the second oil passing channel (20) are respectively communicated with the inner cavity (15) and the second oil outlet (14), and flow regulating mechanisms are arranged in the middle of the first oil passing channel (19) and the middle of the second oil passing channel (20);
the middle part of the inner cavity (15) is fixedly provided with a guide frame, a first piston (24) and a second piston (25) are arranged in the inner cavity (15), a connecting rod (21) is fixedly arranged between the first piston (24) and the second piston (25), the connecting rod (21) penetrates through the middle part of the guide frame, the guide frame is connected with the connecting rod (21) in a sliding way, one side of the valve body (1) is provided with a concave hole (8), an electromagnetic chuck (12) is fixedly embedded in the concave hole (8), a round hole (18) is formed in the valve body (1), the round hole (18) penetrates through the electromagnetic chuck (12), the inner cavity (15) is communicated with the concave hole (8) through the round hole (18), a straight rod (26) is fixedly connected to one side of the second piston (25), the straight rod (26) penetrates through the round hole (18), and an iron disc (7) is fixedly mounted at the tail end of the straight rod (26);
a fixed embedded plate (27) is fixedly embedded on one side of the valve body (1), the fixed embedded plate (27) covers one end of the inner cavity (15), a spring (30) is arranged between the fixed embedded plate (27) and the first piston (24), and two ends of the spring (30) are respectively contacted with the fixed embedded plate (27) and the side wall of the first piston (24).
2. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: flow control mechanism includes fixation nut (11), flashboard movable slot (31) and adjusting screw (9), the top in valve body (1) is installed to fixation nut (11) fixed gomphosis, adjusting screw (9) run through fixation nut (11), and fixation nut (11) and adjusting screw (9) threaded connection, the bottom of adjusting screw (9) is rotated and is installed U type link (16), and the equal fixed mounting in both ends of U type link (16) has flashboard (17), the figure of flashboard movable slot (31) is two, and two flashboard movable slot (31) set up respectively in the middle part of first oil passing passageway (19) and the middle part of second oil passing passageway (20), flashboard (17) and flashboard movable slot (31) gomphosis.
3. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 2, wherein: the top of the adjusting screw rod (9) is fixedly sleeved with a plastic sleeve (10), and the surface of the plastic sleeve (10) is uniformly provided with a plurality of anti-skidding grooves.
4. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: a movable cavity (29) is formed in the valve body (1), and the movable cavity (29) is connected with the U-shaped connecting frame (16) in a sliding mode.
5. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: the guide frame is composed of two fixing rods (22) and a round sleeve (23), one end of each fixing rod (22) is fixedly connected with the cavity wall of the inner cavity (15), the other end of each fixing rod (22) is fixedly connected with the round sleeve (23), and the round sleeve (23) is sleeved on the surface of the connecting rod (21).
6. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: the electromagnetic chuck (12) is composed of a disc (1201) and a plurality of electromagnets (1202), wherein the electromagnets (1202) are uniformly fixed and embedded on the surface of the disc (1201).
7. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: two bolts (28) are mounted on the surface of the fixed embedded plate (27), the bolts (28) penetrate through the fixed embedded plate (27), and the bolts (28) are embedded into the valve body (1).
8. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: one side of the fixed embedded plate (27) is fixedly provided with a pull ring (6), and the pull ring (6) is of a semi-arc structure.
9. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: the top of the valve body (1) is fixedly provided with a first pressure gauge (4), and the bottom end of the first pressure gauge (4) is positioned inside the first oil passing channel (19).
10. The automatic reversing valve for the centralized lubrication system of the electric terminal according to claim 1, wherein: the top of the valve body (1) is fixedly provided with a second pressure gauge (5), and the bottom end of the second pressure gauge (5) is positioned inside the second oil passing channel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010253899.3A CN111322510A (en) | 2020-04-02 | 2020-04-02 | Automatic reversing valve for electric terminal centralized lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010253899.3A CN111322510A (en) | 2020-04-02 | 2020-04-02 | Automatic reversing valve for electric terminal centralized lubricating system |
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| Publication Number | Publication Date |
|---|---|
| CN111322510A true CN111322510A (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010253899.3A Pending CN111322510A (en) | 2020-04-02 | 2020-04-02 | Automatic reversing valve for electric terminal centralized lubricating system |
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| Country | Link |
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| CN (1) | CN111322510A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777002A (en) * | 2022-04-27 | 2022-07-22 | 启东德乐润滑设备有限公司 | Pressure-regulating and flow-dividing lubricating oil system control valve group |
| CN115897729A (en) * | 2022-11-08 | 2023-04-04 | 上海弛泉科技(集团)有限公司 | Immersion type frequency conversion pressurization water supply pump set |
-
2020
- 2020-04-02 CN CN202010253899.3A patent/CN111322510A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777002A (en) * | 2022-04-27 | 2022-07-22 | 启东德乐润滑设备有限公司 | Pressure-regulating and flow-dividing lubricating oil system control valve group |
| CN114777002B (en) * | 2022-04-27 | 2023-12-01 | 启东德乐润滑设备有限公司 | Lubricating oil system control valve group capable of regulating pressure and distributing flow |
| CN115897729A (en) * | 2022-11-08 | 2023-04-04 | 上海弛泉科技(集团)有限公司 | Immersion type frequency conversion pressurization water supply pump set |
| CN115897729B (en) * | 2022-11-08 | 2023-10-24 | 上海弛泉科技(集团)有限公司 | Immersed variable-frequency pressurized water supply pump set |
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