CN210859100U - Vacuum unit with discharge device - Google Patents
Vacuum unit with discharge device Download PDFInfo
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- CN210859100U CN210859100U CN201921097107.7U CN201921097107U CN210859100U CN 210859100 U CN210859100 U CN 210859100U CN 201921097107 U CN201921097107 U CN 201921097107U CN 210859100 U CN210859100 U CN 210859100U
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Abstract
The utility model provides a vacuum unit with a discharging device, which comprises a vacuum unit and a discharging device, wherein the vacuum unit is provided with a cavity and a discharging end, and rolling oil is stored in the cavity; the discharge device comprises a drawing assembly, wherein the drawing assembly comprises a first pump body, a valve body assembly and a first pipeline, the first pipeline is connected to the discharge end, the first pump body and the valve body assembly are installed on the first pipeline, the valve body assembly is used for controlling the first pipeline to be in a connection or disconnection state, and the first pump body is used for drawing and discharging the rolling oil in the vacuum unit.
Description
Technical Field
The utility model relates to a vacuum unit especially relates to a vacuum unit with discharging device, the rolling oil of vacuum unit storage surpasss certain default, discharging device extracts and discharges the rolling oil.
Background
The vacuum unit of the existing aluminum rolling oil mist recovery device continuously rises along with the operation of a system, and if the storage amount of rolling oil in a liquid storage tank of the vacuum unit is too large, the working state of the vacuum unit is influenced.
At present, the bottom of mainly adopting at the vacuum unit sets up the solenoid valve, and the level gauge is installed on the liquid storage pot, and the memory space of rolling oil in the liquid storage pot is monitored to the level gauge, and when the memory space of rolling oil exceeded a default, the level gauge sent a control signal in the solenoid valve, and the solenoid valve becomes the on-state from the off-state, and then the rolling oil of liquid storage pot is discharged outside. But because rolling oil recovery system's characteristic, often there is matters such as fatlute in the liquid storage tank, and the solenoid valve is often blocked, perhaps the valve is closed not tight, causes the evacuation of jar interior working solution, causes the system low level to shut down the trouble, simultaneously because flowing back before belongs to relying on gravity to be stayed by oneself, does not have the power supply, so the waste liquid often flows into the pit earlier, and the rethread manual collection is handled in a centralized way, has increased artificial work load.
Disclosure of Invention
An advantage of the present invention is that it provides a vacuum unit with a discharging device, wherein the discharging device communicates with a vacuum unit, the discharging device can be extracted a rolling oil in the vacuum unit is discharged to the outside.
An advantage of the present invention is that it provides a vacuum unit with discharging device, wherein discharging device includes an at least monitoring piece, monitoring piece is installed in a cavity of vacuum unit, monitoring piece is used for monitoring rolling oil in memory space in the vacuum unit, the memory space of rolling oil exceeds a default, monitoring piece send a control signal in discharging device is with control discharging device's operating condition.
An advantage of the present invention is that it provides a vacuum unit with a discharging device, wherein the discharging device includes an extraction subassembly and at least one return circuit subassembly, the return circuit subassembly connects in parallel in the extraction subassembly, the return circuit subassembly is right the extraction subassembly plays the emission guard action of rolling oil.
An advantage of the present invention is that it provides a vacuum unit with discharging device, wherein the extraction subassembly includes a first pump body and a valve body subassembly, first pump body electricity link in monitoring piece and connect in the valve body subassembly, when the valve body subassembly is in the open mode, first pump body with the vacuum unit is in the connected state.
An advantage of the present invention is that it provides a vacuum unit with a discharging device, wherein the circuit subassembly includes a third valve body, the valve body subassembly includes a first valve body and a second valve body, the pipeline of circuit subassembly communicate in the front end of first valve body with the rear end of second valve body, and the third valve body is located in the middle of the pipeline, the third valve body is used for control the pipeline is in connected state or closed state.
An advantage of the present invention is that it provides a vacuum unit with a discharging device, wherein the return circuit subassembly includes a third valve body, the valve body subassembly includes a first valve body, the pipeline of return circuit subassembly communicate in the front end of first valve body with the rear end of the first pump body, and the third valve body is located in the middle of the pipeline, the third valve body is used for controlling the pipeline is in connected state or closed state.
An advantage of the present invention is that it provides a vacuum unit with a discharging device, wherein the return circuit subassembly includes a third valve body, a fourth valve body and a second pump body, the valve body subassembly includes a first valve body and a second valve body, the pipeline of return circuit subassembly communicate in the front end of first valve body with the rear end of the first pump body, and the third valve body the fourth valve body and the second pump body is located respectively in the middle of the pipeline, the third valve body with the fourth valve body is used for control the pipeline is in the connected state or closed state, the second pump body is used for the extraction rolling oil.
An advantage of the present invention is that it provides a vacuum unit with a discharging device, wherein the return circuit subassembly includes a third valve body and a second pump body, the valve body subassembly includes a first valve body and a second valve body, the pipeline of return circuit subassembly communicate in the front end of first valve body with the rear end of the first pump body, and the third valve body with the second pump body is located respectively in the middle of the pipeline, the third valve body is used for control the pipeline is in connected state or closed state, the second pump body is used for the extraction the rolling oil.
According to the present invention, a vacuum unit with a discharging device capable of achieving the above object and other objects and advantages comprises a vacuum unit having a cavity and a discharging end, wherein the rolling oil is stored in the cavity; and a discharge device, wherein the discharge device comprises a drawing assembly, the drawing assembly comprises a first pump body, a valve body assembly and a first pipeline, the first pipeline is connected to the discharge end, the first pump body and the valve body assembly are installed on the first pipeline, the valve body assembly is used for controlling the first pipeline to be in a connection or disconnection state, and the first pump body is used for drawing and discharging the rolling oil in the vacuum unit.
According to a preferred embodiment of the present invention, the discharge device comprises a circuit assembly, which is connected in parallel to the extraction assembly, and through which the rolling oil located in the vacuum unit is discharged.
According to the utility model discloses a preferred embodiment, discharging equipment includes an at least monitoring piece, monitoring piece be installed in the cavity, in order to monitor in the vacuum unit the memory space of rolling oil, the memory space of rolling oil exceeds a default, monitoring piece transmission a control signal in the first pump body to the operating condition of the first pump body of control prime number.
According to a preferred embodiment of the present invention, the valve body assembly comprises a first valve body, the circuit assembly comprises a second pipeline and a third valve body, the first valve body is installed between the discharge end and the first pump body, the first valve body is used for controlling the first pipeline to be in an on state or an off state, the second pipeline is connected in parallel with the first pipeline, the third valve body is installed in the second pipeline, and the third valve body is used for controlling the second pipeline to be in an on state or an off state.
According to a preferred embodiment of the present invention, the valve body assembly includes a first valve body and a second valve body, the circuit assembly includes a second pipeline and a third valve body, the first valve body is installed between the discharge end and the first pump body, the second valve body is installed at the rear end of the first pump body, the first valve body and the second valve body are used for controlling the first pipeline to be in the on-state or the off-state, the second pipeline is connected in parallel to the first pipeline, the third valve body is installed at the second pipeline, and the third valve body is used for controlling the second pipeline to be in the on-state or the off-state.
According to a preferred embodiment of the present invention, the valve body assembly comprises a first valve body and a second valve body, the loop component comprises a second pipeline, a third valve body, a second pump body and a fourth valve body, the first valve body is installed between the discharge end and the first pump body, the second valve body is installed at a rear end of the first pump body, the first valve body and the second valve body are used for controlling the first pipeline to be in a communication state or a disconnection state, the second pipeline is connected in parallel with the first pipeline, the third valve body, the second pump body and the fourth valve body are respectively arranged on the second pipeline, the third valve body and the fourth valve body are used for controlling the second pipeline to be in a closed state or a disconnected state, and the first pump body and/or the second pump body extract the rolling oil.
According to a preferred embodiment of the present invention, the valve assembly comprises a first valve body, the circuit assembly comprises a second pipeline, a third valve body and a second pump body, the first valve body is installed between the discharge end and the first pump body, the first valve body is used for controlling the first pipeline to be in an on-state or an off-state, the second pipeline is connected in parallel with the first pipeline, the third valve body and the second pump body are installed in the second pipeline respectively, the third valve body is used for controlling the second pipeline to be in an on-state or an off-state, the first pump body and/or the second pump body extract the rolling oil.
According to a preferred embodiment of the present invention, the first pump body is a diaphragm pump.
Drawings
Fig. 1 is an overall schematic view of an embodiment according to the present invention.
Fig. 2 is an overall schematic view of another embodiment according to the present invention.
Fig. 3 is an overall schematic view of another embodiment according to the present invention.
Fig. 4 is an overall schematic view of another embodiment according to the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
The utility model relates to a vacuum unit with discharging equipment, vacuum unit is applied to for oil mist recovery system, does oil mist recovery system provides a vacuum environment, realizes the separation of an oil mist after the absorption and an absorption liquid, and will the oil mist with a rolling oil miscella that the absorption liquid formed is saved in vacuum unit. However, the storage amount of the rolling oil in the vacuum unit cannot exceed a certain preset amount, and once the storage amount of the rolling oil is too large, the purification of the rolling oil by the vacuum unit is influenced. The method comprises the following steps that a liquid level meter is installed in a vacuum unit, a discharge end of the vacuum unit is connected with an electromagnetic valve, the electromagnetic valve is electrically connected with the liquid level meter, the liquid level meter is used for detecting the liquid level quantity of rolling oil in a vacuum assembly, when the liquid level meter monitors that the storage quantity of the rolling oil exceeds a preset value, the liquid level meter sends a control signal to the electromagnetic valve, the electromagnetic valve is changed from a closed state to an open state, and the rolling oil in the vacuum unit is in a discharge process. However, since the impurity mixture in the rolling oil is easily adhered to the surface of the electromagnetic valve, if the vacuum unit or the electromagnetic valve is not cleaned in time, the conversion effect of the closed state and the open state of the electromagnetic valve is weakened, thereby affecting the discharge efficiency of the rolling oil.
And the utility model discloses a vacuum unit with discharging device can overcome above-mentioned technical defect, the vacuum unit includes a vacuum unit 10 and at least one discharging device 20, discharging device 20 communicate in vacuum unit 10, in the vacuum unit 10 rolling oil surpasses the default, discharging device 20 can extract rolling oil and will rolling oil discharges the outer space of vacuum unit 10. The discharge device 20 has a function of pumping and discharging the rolling oil, and the solenoid valve of the above embodiment functions to control a discharge port of the vacuum unit to be in a closed state or an open state, and the discharge process of the rolling oil is performed by the gravity of the rolling oil, so the discharge port must be located at the bottom end of the vacuum unit. And the drain device 20 has a function of pumping the rolling oil, and the drain device 20 does not reduce a drain effect due to the rolling oil formed on the surface of the drain device 20. And the connection position of the discharging device 20 to the vacuum unit 10 is not limited, the discharging device 20 can provide a suction force to the rolling oil to extract the rolling oil.
Further described, the vacuum assembly 10 has a discharge end 100, the discharge device 20 is connected to the discharge end 100, and when the discharge device 20 is in an operating state, the discharge device 20 forms a suction force to draw the rolling oil in the vacuum assembly 10 and discharge the rolling oil to an external space. It will be understood by those skilled in the art that the relative position of the discharge end 100 to the vacuum assembly 10 is not a limitation of the present disclosure, and the discharge end 100 may be located at the top, bottom or side of the vacuum assembly 10. It will be understood by those skilled in the art that the number of the discharge devices 20 and the relative positions of the discharge devices mounted to the vacuum assembly 10 are not intended to limit the present invention.
In one embodiment, as shown in fig. 1 and 2, the exhaust device 20 comprises at least one monitoring member 21 and an extraction member 22, the monitoring member 21 is mounted in a cavity 110 of the vacuum assembly 10, and the extraction member 22 is connected to the exhaust end 100 and electrically connected to the monitoring member 21. The monitoring part 21 is used for monitoring the storage amount of the rolling oil in the cavity 110, when the monitoring part 21 monitors that the rolling oil in the cavity 110 exceeds the preset value, the monitoring part 21 forms a control signal and transmits the control signal to the extraction component 22, and the extraction component 22 forms a transmission path and extracts the rolling oil in the cavity 110, so that the rolling oil is discharged from the vacuum unit 10 to reduce the storage amount of the rolling oil in the vacuum unit 10. It is understood by those skilled in the art that the number and kinds of the monitoring members 21 are not intended to limit the present invention, and the monitoring members 21 are preferably liquid level detectors.
It should be noted that the extraction assembly 22 includes a first pump body 221, a valve body assembly 222 and at least one first pipeline 223, the first pipeline 223 is communicated with the discharge end 100, the first pump body 221 and the valve body assembly 222 are respectively connected to the first pipeline 223, and the valve body assembly 222 is used for controlling whether the transportation of the rolling oil between the first pipelines 223 is in a circulation state. When the valve body assembly 222 is in the open state, the extraction assembly 22 is in the off state for conveying the rolling oil in the vacuum unit 10, and only when the valve body assembly 222 is in the closed state, the rolling oil is conveyed in the extraction assembly 22. In other words, when the valve body assembly 222 is in the open state, the monitoring member 21 transmits a control signal to the first pump body 221 to control the first pump body 221 to be in the pumping and discharging state, but since the first pipeline 223 is in the open state, the pumping assembly 22 cannot pump and discharge the rolling oil. Only when the valve body assembly 222 is in the closed state, the monitoring part 21 transmits the control signal to the first pump body 221 to control the first pump body 221 to be in the working state, and the first pump body 221 performs the pumping process and the discharging process on the rolling oil.
In one embodiment, as shown in fig. 1, the valve body assembly 222 includes a first valve body 2221, and the first valve body 2221 is located between the first pump body 221 and the discharge end 110. When the first pump body 221 needs to be repaired or replaced, the first valve 2221 is controlled to be in a closed state, so as to control the first pipeline 223 to be in a disconnected state. When the extraction assembly 22 is in the working state, the first valve body 2221 is in the open state. It is well known to those skilled in the art that the kind of the first valve body 2221 is not limited by the present invention. The first valve 2221 may be a manual valve or an automatic valve, and when the first valve 2221 is an automatic valve, the state of the first valve 2221 is adjusted and controlled according to the control information of the monitoring part 21.
In one embodiment as shown in fig. 2, the valve body assembly 222 includes a first valve body 2221 and a second valve body 2222, the first valve body 2221 is located between the first pump body 221 and the discharge end 110, and the second valve body 2222 is located at the rear end portion of the first pump body 221. When the first valve body 2221 and the second valve body 2222 are simultaneously in the closed state, the first pipeline 223 is in the passage state; when the first valve body 2221 and/or the second valve body 2222 are in the open state, the first pipe 223 is in the shut-off state.
When the first pump body 221 needs to be repaired or replaced, the first valve 2221 is controlled to be in a closed state, so as to control the first pipeline 223 to be in a disconnected state. When the extraction assembly 22 is in the working state, the first valve body 2221 is in the open state. It is understood by those skilled in the art that the kinds of the first valve body 2221 and the second valve body 2222 are not intended to limit the present invention. The first valve 2221 or the second valve 2222 may be a manual valve or an automatic valve, and when the first valve 2221 or the second valve 2222 is an automatic valve, the state of the first valve 2221 or the second valve 2222 is adjusted and controlled according to the control information of the monitoring part 21.
Further, according to fig. 1 and 2, the discharge device 20 further comprises a circuit assembly 23, the circuit assembly 23 is connected in parallel with the extraction assembly 22, and the rolling oil of the vacuum unit 10 is discharged through the circuit assembly 23 when the extraction assembly 22 cannot be in the rolling oil discharge process.
It should be noted that the circuit assembly 23 includes at least a second pipe 231 and a third valve 232, the second pipe 231 is connected to the first pipe 223 in parallel, the starting end of the second pipe 231 is connected to the front end of the first valve 2221, and the third valve 232 is disposed on the second pipe 231. Further, the open state or the closed state of the second pipe 231 is not limited by the first valve 2221, that is, the second pipe 223 is directly connected to the discharge port 110. It is understood by those skilled in the art that the ends of the first and second pipes 223 and 233 are in a connected state or a separated state, respectively. In other words, the first pipe 223 or the second pipe 233 are respectively connected to the outside or connected to each other and then connected to the outside.
In one embodiment shown in fig. 3, the valve body assembly 222 includes a first valve body 2221 and a second valve body 2222, the first valve body 2221 is located between the first pump body 221 and the discharge end 110, and the second valve body 2222 is located at the rear end of the first pump body 221. When the first valve body 2221 and the second valve body 2222 are simultaneously in the open state, the first pipe 223 is in the passage state; when the first valve body 2221 and/or the second valve body 2222 are in the closed state, the first pipeline 223 is in the open state. Therefore, when the first pump body 221 is in the process of pumping and discharging the rolling oil, the first valve body 2221 and the second valve body 2222 are in the open state. When the first pump body 221 needs to be repaired or replaced, the first valve 2221 is controlled to be in a closed state, and the first pipeline 223 is controlled to be in an open-circuit state, so that the state of the second valve 2222 is not affected. It is understood by those skilled in the art that the kinds of the first valve body 2221 and the second valve body 2222 are not intended to limit the present invention. The first valve 2221 or the second valve 2222 may be a manual valve or an automatic valve, and when the first valve 2221 and the second valve 2222 are automatic valves, the states of the first valve 2221 and the second valve 2222 are adjusted and controlled according to the control information of the monitoring part 21.
Further, the discharge device 20 further comprises a loop assembly 23, the loop assembly 23 is connected in parallel to the extraction assembly 22, and when the extraction assembly 22 cannot be in the rolling oil discharge process, the rolling oil of the vacuum unit 10 is discharged through the loop assembly 23.
It should be noted that the loop assembly 23 includes at least a second pipeline 231, a third valve 232, a second pump 233 and the fourth valve 234, the second pipeline 231 is connected in parallel to the first pipeline 223, the starting end of the second pipeline 231 is connected to the front end of the first valve 2221, the third valve 232, the second pump 233 and the fourth valve 234 are respectively disposed on the second pipeline 231, and the second pump 233 is located between the third valve 232 and the fourth valve 234. When the third valve 232 and the fourth valve 234 are simultaneously in the open state, the second pipe 231 forms a passage state, and the second pump body 233 is used for pumping and discharging the rolling oil; when the third valve 232 or the fourth valve 234 is in the closed state, the second pipe 231 is in the open circuit state, and the second pump body 232 cannot draw and discharge the rolling oil.
When the first pump body 221 and the second pump body 233 are simultaneously in the working state, the pumping and discharging efficiency of the discharging device 20 on the rolling oil is increased, and a user can switch the discharging process of the rolling oil by using the first pipeline 223 or the second pipeline 231. Compared with the above embodiment, the circuit assembly 23 of the present embodiment has the function of pumping and discharging the rolling oil at the same time, and the rolling oil is discharged through the circuit assembly 23 in the above embodiment by using the gravity of the rolling oil as the power, and the circuit assembly 23 of the present embodiment reduces the discharge limit of the circuit assembly 23. It is understood by those skilled in the art that the ends of the first and second pipes 223 and 233 are in a connected state or a separated state, respectively. In other words, the first pipe 223 or the second pipe 233 are respectively connected to the outside or connected to each other and then connected to the outside.
In one embodiment, as shown in fig. 4, the valve body assembly 222 includes a first valve body 2221, and the first valve body 2221 is located between the first pump body 221 and the discharge end 110. When the first pump body 221 needs to be repaired or replaced, the first valve 2221 is controlled to be in a closed state, so as to control the first pipeline 223 to be in a disconnected state. When the extraction assembly 22 is in the working state, the first valve body 2221 is in the open state. It is well known to those skilled in the art that the kind of the first valve body 2221 is not limited by the present invention. The first valve 2221 may be a manual valve or an automatic valve, and when the first valve 2221 is an automatic valve, the state of the first valve 2221 is adjusted and controlled according to the control information of the monitoring part 21.
When the first pump body 221 needs to be repaired or replaced, the first valve 2221 is controlled to be in a closed state, so as to control the first pipeline 223 to be in a disconnected state. When the extraction assembly 22 is in the working state, the first valve body 2221 is in the open state. It is well known to those skilled in the art that the kind of the first valve body 2221 is not limited by the present invention. The first valve 2221 may be a manual valve or an automatic valve, and when the first valve 2221 is an automatic valve, the state of the first valve 2221 is adjusted and controlled according to the control information of the monitoring part 21.
Further, the discharge device 20 further comprises a loop assembly 23, the loop assembly 23 is connected in parallel to the extraction assembly 22, and when the extraction assembly 22 cannot be in the rolling oil discharge process, the rolling oil of the vacuum unit 10 is discharged through the loop assembly 23.
It should be noted that the loop assembly 23 includes at least a second pipeline 231, a third valve 232 and a second pump 233, the second pipeline 231 is connected to the first pipeline 223 in parallel, the starting end of the second pipeline 231 is connected to the front end of the first valve 2221, and the third valve 232 and the second pump 233 are respectively disposed on the second pipeline 231. The third valve 232 controls the state of the second pipeline 231, when the third valve 232 is in a closed state, the second pipeline 231 is in a disconnected state, the second pump 233 cannot perform the pumping and discharging process on the rolling oil, when the third valve 232 is in an open state, the second pipeline 232 is in a passage state, and the second pump 233 performs the pumping and discharging process on the rolling oil. It is understood by those skilled in the art that the ends of the first and second pipes 223 and 233 are in a connected state or a separated state, respectively. In other words, the first pipe 223 or the second pipe 233 are respectively connected to the outside or connected to each other and then connected to the outside.
When the first pump body 221 and the second pump body 232 are simultaneously in the working state, the pumping and discharging efficiency of the discharging device 20 on the rolling oil is increased, and a user can switch the discharging process of the rolling oil by using the first pipeline 223 or the second pipeline 231. Compared with the above embodiment, the circuit assembly 23 of the present embodiment has the function of pumping and discharging the rolling oil at the same time, and the rolling oil is discharged through the circuit assembly 23 in the above embodiment by using the gravity of the rolling oil as the power, and the circuit assembly 23 of the present embodiment reduces the discharge limit of the circuit assembly 23. It is understood by those skilled in the art that the ends of the first and second pipes 223 and 233 are in a connected state or a separated state, respectively. In other words, the first pipe 223 or the second pipe 233 are respectively connected to the outside or connected to each other and then connected to the outside.
Those skilled in the art will appreciate that the embodiments of the present invention illustrated in the drawings and described above are merely examples of the invention and not limitations.
It can thus be seen that the objects of the invention have been fully and effectively accomplished. The embodiments have been fully illustrated and described for the purpose of explaining the functional and structural principles of the present invention, and the present invention is not limited by changes based on the principles of these embodiments. Accordingly, this invention includes all modifications encompassed within the scope and spirit of the following claims.
Claims (8)
1. Vacuum unit with discharge device for storing a rolling oil, characterized in that it comprises:
the vacuum unit is provided with a cavity and a discharge end, and the rolling oil is stored in the cavity; and a discharge device, wherein the discharge device comprises a drawing assembly, the drawing assembly comprises a first pump body, a valve body assembly and a first pipeline, the first pipeline is connected to the discharge end, the first pump body and the valve body assembly are installed on the first pipeline, the valve body assembly is used for controlling the first pipeline to be in a connection or disconnection state, and the first pump body is used for drawing and discharging the rolling oil in the vacuum unit.
2. The vacuum assembly having a drain of claim 1, wherein said drain includes a circuit member connected in parallel to said extraction member through which said rolling oil located within said vacuum assembly is drained.
3. The vacuum assembly with a discharge device according to claim 1 or 2, wherein said discharge device comprises at least one monitoring member mounted to said chamber for monitoring the quantity of rolling oil stored in said vacuum assembly, said quantity of rolling oil stored exceeding a preset value, said monitoring member transmitting a control signal to said first pump to control the operating condition of the prime first pump.
4. The vacuum assembly with exhaust of claim 2, wherein the valve assembly includes a first valve body, the circuit assembly includes a second line and a third valve body, the first valve body is mounted between the exhaust end and the first pump body, the first valve body is configured to control the first line to be in the open state or the closed state, the second line is connected in parallel to the first line, the third valve body is mounted to the second line, and the third valve body is configured to control the second line to be in the open state or the closed state.
5. The vacuum assembly with a discharge device according to claim 2, wherein said valve body assembly includes a first valve body and a second valve body, said circuit assembly includes a second line and a third valve body, said first valve body is installed between said discharge end and said first pump body, said second valve body is installed at a rear end of said first pump body, said first valve body and said second valve body are used for controlling said first line to be in a connected state or a disconnected state, said second line is connected in parallel to said first line, said third valve body is installed at said second line, said third valve body is used for controlling said second line to be in a connected state or a disconnected state.
6. The vacuum assembly having an evacuation device according to claim 2, wherein the valve body assembly includes a first valve body and a second valve body, the loop component comprises a second pipeline, a third valve body, a second pump body and a fourth valve body, the first valve body is installed between the discharge end and the first pump body, the second valve body is installed at a rear end of the first pump body, the first valve body and the second valve body are used for controlling the first pipeline to be in a communication state or a disconnection state, the second pipeline is connected in parallel with the first pipeline, the third valve body, the second pump body and the fourth valve body are respectively arranged on the second pipeline, the third valve body and the fourth valve body are used for controlling the second pipeline to be in a closed state or a disconnected state, and the first pump body and/or the second pump body extract the rolling oil.
7. The vacuum assembly with drain of claim 2, wherein the valve assembly includes a first valve body, the circuit assembly includes a second conduit, a third valve body and a second pump body, the first valve body is mounted between the drain end and the first pump body, the first valve body is configured to control the first conduit to be in the open state or the closed state, the second conduit is connected in parallel to the first conduit, the third valve body and the second pump body are respectively mounted to the second conduit, the third valve body is configured to control the second conduit to be in the open state or the closed state, and the first pump body and/or the second pump body pump the rolling oil.
8. The vacuum aggregate with evacuation device of any of claims 4-7, wherein said first pump is a diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921097107.7U CN210859100U (en) | 2019-07-12 | 2019-07-12 | Vacuum unit with discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921097107.7U CN210859100U (en) | 2019-07-12 | 2019-07-12 | Vacuum unit with discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859100U true CN210859100U (en) | 2020-06-26 |
Family
ID=71291809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921097107.7U Active CN210859100U (en) | 2019-07-12 | 2019-07-12 | Vacuum unit with discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859100U (en) |
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2019
- 2019-07-12 CN CN201921097107.7U patent/CN210859100U/en active Active
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