CN219413071U - Blind pipe oil filter of hydraulic oil tank - Google Patents
Blind pipe oil filter of hydraulic oil tank Download PDFInfo
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- CN219413071U CN219413071U CN202320608133.1U CN202320608133U CN219413071U CN 219413071 U CN219413071 U CN 219413071U CN 202320608133 U CN202320608133 U CN 202320608133U CN 219413071 U CN219413071 U CN 219413071U
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- oil
- filter
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- cavity
- blind pipe
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Abstract
The utility model relates to a hydraulic oil tank blind pipe oil filter, which comprises an oil tank and an oil filter, wherein the oil filter comprises a dirty oil gate and a filter screen. The filter screen is arranged in the box body and divides the inner cavity of the box body into a filter oil cavity and an oil storage cavity, and the upper opening of the cylinder body in the dirty oil gate is communicated with the bottom of the filter oil cavity. The upper part of the cylinder body is provided with a switch valve for switching on and off between the oil inlet cavity and the inner cavity of the cylinder body; the lower part of the cylinder body is provided with a switch valve for discharging dirty oil in the cylinder body, and the upper side part of the cylinder body is provided with a switch valve for supplementing pressure in the cylinder body to assist in discharging the dirty oil. The dirty oil which is coalesced in the blind pipe and contains a certain concentration is discharged at any time through the switch valve arranged on the cylinder body, so that the aim of removing the precipitated impurities in the hydraulic oil at any time is fulfilled. The utility model comprises: novel design, timely pollution discharge, good pollution discharge effect and the like.
Description
Technical Field
The utility model relates to an oil filter, in particular to an oil tank impurity removal oil filter for on-line operation, and belongs to the technical field of machine manufacturing.
Background
The oil tank not only stores hydraulic oil in the hydraulic system, but also plays roles of heat dissipation, separation of bubbles in the oil, precipitation of impurities and the like. During the operation of large hydraulic machinery, hydraulic oil is conveyed from an oil tank into a hydraulic pipeline by a hydraulic pump. The hydraulic oil is used as a medium for power transmission, and is impacted and rubbed with parts such as a pipeline, a valve, a piston and the like continuously in the power transmission process, fallen sundries enter the hydraulic oil, and the pollution of external environment sundries is added, so that the concentration of the sundries of the hydraulic oil is increased continuously, the friction loss of the machine is increased, the energy consumption is increased, the machine is not cleared for a long time, and the equipment cannot normally run. Therefore, people have to adopt regular shutdown to carry out decontamination treatment, which not only affects production but also increases the running cost of enterprises, and impurities in the pipeline are difficult to clean.
Disclosure of Invention
Aiming at the problems pointed out in the background art, the utility model provides a blind pipe oil filter of a hydraulic oil tank. The blind pipe and the valve group are arranged at the bottom of the oil tank, so that the aim of removing precipitated impurities in the hydraulic oil at any time is fulfilled.
In order to achieve the above purpose, the present utility model proposes the following technical scheme: the utility model provides a hydraulic tank blind pipe oil filter, contains oil tank and oil filter, the oil tank includes the box and sets up the auxiliary on the box, the auxiliary includes oil inlet, oil-out, the oil inlet is linked together with the oil return pipeline, the oil-out is linked together its characterized in that with the hydraulic pump:
the oil filter comprises a dirty oil gate and a filter screen;
the filter screen is arranged in the box body, the inner cavity of the box body is divided into a filter oil cavity and an oil storage cavity, the oil inlet is communicated with the filter oil cavity to return oil, the oil outlet is communicated with the oil storage cavity to discharge oil, and the return oil enters the oil storage cavity from the filter oil cavity through the filter screen;
the dirty oil gate comprises a cylinder body and a switch valve;
the cylinder body is a blind pipe with the lower end closing an opening at the upper end, and the opening is communicated with the bottom of the oil filtering cavity;
the three switching valves are arranged, one switching valve is arranged at the upper part of the cylinder body and used for switching on and off between the oil filtering cavity and the inner cavity of the cylinder body; the other one is arranged at the lower part of the cylinder body and is used for discharging dirty oil in the cylinder body; and the third one is arranged on the upper side of the cylinder body and used for supplementing pressure and discharging oil.
Further, the number of the filter screens is at least two.
Preferably, the filter screen is obliquely arranged in the box body, and the upper end of the filter screen is obliquely provided with the oil filtering cavity, and the lower end of the filter screen and the bottom of the oil filtering cavity form an acute angle.
Further, the blind pipe opening is arranged as a horn mouth.
According to the utility model, the blind pipe oil filter is arranged in the oil tank for circulating oil, the filter screen is arranged in the inner cavity of the tank body, the oil inlet enters turbulent flow for slowing down flow, part of dirt is filtered out, the dirt oil gate is arranged at the bottom of the oil filtering cavity separated by the filter screen, the dirt filtered out by the filter screen and deposited in the slow flow oil and the deposit in the slow flow oil are gathered in the blind pipe, and the dirt oil with a certain concentration in the blind pipe is discharged through the switch valve arranged on the blind pipe at any time, so that the aim of removing the deposited dirt in the hydraulic oil at any time is realized.
The utility model comprises: novel design, timely pollution discharge, good pollution discharge effect and the like.
Drawings
Figure 1 is a schematic structural view of an embodiment of the utility model provided with a filter screen,
fig. 2 is a schematic structural diagram of an embodiment of the present utility model provided with two filter screens.
In the drawings, 1 is an oil tank, 2 is a filter screen, 3 is a hydraulic pump, 4 and 4 'are cylinders, 401, 402, 403 and 401', 402', 403' are all switch valves, a is an oil inlet, b is an oil outlet, and c is a bell mouth.
Description of the embodiments
In the embodiment shown in fig. 1, an embodiment of a filter screen 2 is provided, in which an inner cavity of an oil tank 1 is separated by the filter screen 2, an oil filtering cavity is formed on one side close to an oil inlet a, an oil storage cavity is formed on the other side, hydraulic oil enters the oil filtering cavity from the oil inlet a, impurities in the hydraulic oil slowly flow down into a cylinder 4 in the oil filtering cavity, and as the lower end of the cylinder 4 is a blind pipe, the impurities entering the cylinder 4 are gathered to a certain amount, a switch valve 403 is closed to disconnect the communication between the cylinder 4 and the oil filtering cavity, the switch valve 401 is opened to discharge dirty oil in the cylinder 4, the pressure in the cylinder 4 is reduced along with the discharge of the dirty oil in the cylinder 4, and the switch valve 402 is opened to supplement the pressure in the cylinder 4 to assist the discharge of the dirty oil.
The hydraulic oil which is deposited and filtered by the oil filtering cavity enters the oil storage cavity, and the hydraulic pump 3 pumps the hydraulic oil into the pipeline through the oil outlet b.
Fig. 2 shows an embodiment in which two filter screens 2 are provided, in which the two filter screens 2 divide the inner cavity of the oil tank 1 into three cavities, a first oil filtering cavity is arranged at one side close to the oil inlet a, a second oil filtering cavity is arranged between the two oil filtering screens, a third oil storage cavity is arranged between the two oil filtering screens, hydraulic oil firstly enters the first oil filtering cavity from the oil inlet a, impurities in the hydraulic oil slowly flow down into the cylinder 4 in the first oil filtering cavity, and impurities in the hydraulic oil passing through the first oil filtering cavity continuously slowly flow down into the cylinder 4' in the second oil filtering cavity. Because the lower ends of the cylinders 4 and 4 'are blind pipes, after the impurities entering the cylinders 4 and 4' gather to a certain amount, the on-off valve 403 or 403 'is closed to disconnect the communication between the cylinder 4 and the first oil filtering cavity or between the cylinder 4' and the second oil filtering cavity, the on-off valve 401 or 401 'is opened to discharge the dirty oil in the cylinder 4 or 4', the pressure in the cylinder 4 or 4 'is reduced along with the discharge of the dirty oil in the cylinder 4 or 4', and the on-off valve 402 or 402 'is opened to supplement the pressure in the cylinder 4 or 4' to assist in discharging the dirty oil.
The hydraulic oil which is precipitated and filtered by the first oil filtering cavity and the second oil filtering cavity enters the oil storage cavity, and the hydraulic pump 3 pumps the hydraulic oil into the pipeline through the oil outlet b.
In fig. 1 and 2, the upper opening of the cylinder 4 or 4' is provided with a horn mouth c, so that the section of the inlet for containing impurities into the cylinder 4 or 4' is increased, and impurities in hydraulic oil are fully ensured to enter the cylinder 4 or 4'.
Claims (4)
1. The utility model provides a hydraulic tank blind pipe oil filter, contains oil tank and oil filter, the oil tank includes the box and sets up the auxiliary on the box, the auxiliary includes oil inlet, oil-out, the oil inlet is linked together with the oil return pipeline, the oil-out is linked together its characterized in that with the hydraulic pump:
the oil filter comprises a dirty oil gate and a filter screen;
the filter screen is arranged in the box body, the inner cavity of the box body is divided into a filter oil cavity and an oil storage cavity, the oil inlet is communicated with the filter oil cavity to return oil, the oil outlet is communicated with the oil storage cavity to discharge oil, and the return oil enters the oil storage cavity from the filter oil cavity through the filter screen;
the dirty oil gate comprises a cylinder body and a switch valve;
the cylinder body is a blind pipe with the lower end closing an opening at the upper end, and the opening is communicated with the bottom of the oil filtering cavity;
the three switching valves are arranged, one switching valve is arranged at the upper part of the cylinder body and used for switching on and off between the oil filtering cavity and the inner cavity of the cylinder body; the other one is arranged at the lower part of the cylinder body and is used for discharging dirty oil in the cylinder body; and the third one is arranged on the upper side of the cylinder body and used for supplementing pressure and assisting oil discharge.
2. The hydraulic tank blind pipe filter as recited in claim 1, wherein: the number of the filter screens is at least two.
3. A hydraulic tank blind pipe filter according to claim 1 or 2, characterized in that: the filter screen is obliquely arranged in the box body, and the upper end of the filter screen is obliquely provided with the oil filtering cavity, and the lower end of the filter screen and the bottom of the oil filtering cavity form an acute angle.
4. The hydraulic tank blind pipe filter as recited in claim 1, wherein: the blind pipe opening is arranged as a horn mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320608133.1U CN219413071U (en) | 2023-03-25 | 2023-03-25 | Blind pipe oil filter of hydraulic oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320608133.1U CN219413071U (en) | 2023-03-25 | 2023-03-25 | Blind pipe oil filter of hydraulic oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413071U true CN219413071U (en) | 2023-07-25 |
Family
ID=87242190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320608133.1U Active CN219413071U (en) | 2023-03-25 | 2023-03-25 | Blind pipe oil filter of hydraulic oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413071U (en) |
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2023
- 2023-03-25 CN CN202320608133.1U patent/CN219413071U/en active Active
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