CN214914036U - Oil pumping filter - Google Patents
Oil pumping filter Download PDFInfo
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- CN214914036U CN214914036U CN202121484305.6U CN202121484305U CN214914036U CN 214914036 U CN214914036 U CN 214914036U CN 202121484305 U CN202121484305 U CN 202121484305U CN 214914036 U CN214914036 U CN 214914036U
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Abstract
The utility model discloses an oil pumping filter relates to filtration equipment technical field, and the main objective provides one kind can enough be taken out the oil, can also carry out multi-stage filtration's oil pumping filter. The utility model discloses a main technical scheme does: an oil-well filter comprising: a support; the oil filter comprises a filter component, wherein one end of an oil inlet pipeline is provided with a first switch, a first oil inlet end is connected to the middle part of the oil inlet pipeline, a first oil outlet end is connected to the other end of the oil inlet pipeline, one end of a first connecting pipeline is connected to the oil inlet pipeline, a first valve and a second valve are arranged on the oil inlet pipeline, a second oil inlet end is connected to the middle part of the first connecting pipeline, a second oil outlet end is connected to the other end of the first connecting pipeline, one end of the oil outlet pipeline is mutually communicated with the oil inlet pipeline, a second switch is arranged on the oil outlet pipeline, and a third valve and a fourth valve are arranged on the first connecting pipeline; and the driving component is arranged on the first connecting pipeline. The utility model discloses mainly used filters hydraulic oil.
Description
Technical Field
The utility model relates to a filtration equipment technical field especially relates to an oil pumping filter.
Background
A large amount of hydraulic oil can be used in hoisting vehicles generally, because the hoisting vehicles are in daily use, normal wear and tear and the tiny particles left in vehicle pipelines and valve blocks can be in the middle of the hydraulic oil, the tiny particles can influence the normal operation of the hoisting vehicles, therefore, the oil pumping and filtering of the hydraulic oil are needed, the existing hydraulic oil filtering equipment only has a filtering function, the hydraulic oil in the hoisting vehicles needs to be pumped out in other modes, then the hydraulic oil is filtered through the hydraulic oil filtering equipment, the operation is complex, the device and the time needed by manual filtering are increased, and the filtering cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an oil pumping filter is provided, and the main objective provides one kind can enough be taken oil, can also carry out multistage filter's oil pumping filter.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides an oil pumping filter, include:
a support;
the filter component is arranged on the bracket and comprises an oil inlet pipeline, an oil outlet pipeline, a first connecting pipeline, a first filter, a second filter, a first switch, a second switch, a first valve, a second valve, a third valve and a fourth valve, wherein the first switch is arranged at one end of the oil inlet pipeline, the first filter is provided with a first oil inlet end and a first oil outlet end, the first oil inlet end is connected to the middle part of the oil inlet pipeline, the first oil outlet end is connected to the other end of the oil inlet pipeline, one end of the first connecting pipeline is connected to the oil inlet pipeline and is positioned between the first oil inlet end and the first oil outlet end, the first valve and the second valve are arranged on the oil inlet pipeline and are positioned at two sides of the first connecting pipeline, and the second filter is provided with a second oil inlet end and a second oil outlet end, the second oil inlet end is connected to the middle part of the first connecting pipeline, the second oil outlet end is connected to the other end of the first connecting pipeline, one end of the oil outlet pipeline is communicated with the oil inlet pipeline, a second connecting pipeline is arranged between the first connecting pipeline and the oil outlet pipeline, the second switch is arranged on the oil outlet pipeline and is positioned between the first connecting pipeline and the oil inlet pipeline, and the third valve and the fourth valve are arranged on the first connecting pipeline and are positioned on two sides of the second connecting pipeline;
a driving part disposed on the first connection pipe.
Further, the driving part comprises a pump body and an electric motor, the pump body is arranged on the first connecting pipeline and is located between the oil inlet pipeline and the second oil inlet end, and the electric motor is connected to the pump body.
Furthermore, first connecting pipeline includes transition pipeline and installation pipeline, the one end of transition pipeline connect in advance oil pipe, the other end with installation pipeline with the second produces oil the end and communicates each other, the second oil inlet end connect in the one end of installation pipeline, the pump body sets up on the transition pipeline.
Furthermore, the filter component further comprises a backflow component, the backflow component comprises a backflow pipeline and a pressure valve, one end of the backflow pipeline is connected to the transition pipeline, the other end of the backflow pipeline is connected to the oil outlet pipeline and located between the oil inlet pipeline and the second switch, and the pressure valve is arranged on the backflow pipeline.
Further, the detection part sets up the other end of oil outlet pipeline.
Further, first filter includes first casing and first filter core, first filter core sets up in the first casing, the both ends of first casing are first through-hole and second through-hole respectively, the shutoff of the one end of first filter core first through-hole.
Furthermore, the first filter still includes first filtering pipeline and second filtering pipeline, the one end of first filtering pipeline does first oil feed end, the other end with first through-hole communicates each other, the one end of second filtering pipeline is first oil outlet end, the other end with the second through-hole communicates each other.
Furthermore, the second filter includes second casing and second filter core, the second filter core sets up in the second casing, the both ends of second casing are third through-hole and fourth through-hole respectively, the shutoff of one end of second filter core the third through-hole.
Furthermore, the second filter still includes third filtering pipeline and fourth filtering pipeline, the one end of second filtering pipeline does the second oil feed end, the other end with the third through-hole communicates each other, the one end of second filtering pipeline is the second and goes out oil end, the other end with the fourth through-hole communicates each other.
Compared with the prior art, the utility model discloses following technological effect has:
in the technical scheme provided by the embodiment of the utility model, the support is used for supporting the filtering component; the filter component is used for pumping and filtering hydraulic oil, the filter component is arranged on the bracket and comprises an oil inlet pipeline, an oil outlet pipeline, a first connecting pipeline, a first filter, a second filter, a first switch, a second switch, a first valve, a second valve, a third valve and a fourth valve, the first switch is arranged at one end of the oil inlet pipeline, the first filter is provided with a first oil inlet end and a first oil outlet end, the first oil inlet end is connected to the middle part of the oil inlet pipeline, the first oil outlet end is connected to the other end of the oil inlet pipeline, one end of the first connecting pipeline is connected to the oil inlet pipeline and is positioned between the first oil inlet end and the first oil outlet end, the first valve and the second valve are arranged on the oil inlet pipeline and are positioned at two sides of the first connecting pipeline, the second filter is provided with a second oil inlet end and a second oil outlet end, the second oil inlet end is connected to the middle part of the first connecting pipeline, the second oil outlet end is connected to the other end of the first connecting pipeline, one end of the oil outlet pipeline is communicated with the oil inlet pipeline, a second connecting pipeline is arranged between the first connecting pipeline and the oil outlet pipeline, the second switch is arranged on the oil outlet pipeline and is positioned between the first connecting pipeline and the oil inlet pipeline, the third valve and the fourth valve are arranged on the first connecting pipeline and are positioned on two sides of the second connecting pipeline, the driving part is used for providing power and is arranged on the first connecting pipeline, compared with the prior art, the hydraulic oil filtering equipment only has a filtering function, hydraulic oil in a vehicle to be hoisted is required to be pumped out in other modes, and then the hydraulic oil is filtered through the hydraulic oil filtering equipment, so that the operation is complex, the device and time required by manual filtering are increased, and the filtering cost is increased, when primary filtration is required, only the first switch, the first valve and the third valve are opened, hydraulic oil enters the first filter through the oil inlet pipeline for filtration, then is discharged through the first connecting pipeline, the second connecting pipeline and the oil outlet pipeline, when primary filtration and secondary filtration are required, only the first switch, the first valve and the fourth valve are opened, the hydraulic oil enters the first filter through the oil inlet pipeline for filtration, then enters the second filter through the first connecting pipeline for filtration, then is discharged through the second connecting pipeline and the oil outlet pipeline, when oil pumping is required, only the first switch, the second valve and the third valve are opened, the driving part is simultaneously opened, the hydraulic oil sequentially passes through the oil inlet pipeline, the first connecting pipeline, the second connecting pipeline and the oil outlet pipeline for discharge, not only can the hydraulic oil be pumped out of a hoisting vehicle, but also can be filtered, thereby achieving the technical effects of conveniently pumping oil and filtering.
Drawings
Fig. 1 is a schematic structural view of an oil pumping filter provided by an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in FIG. 1, the embodiment of the utility model provides an oil pumping filter, include:
a bracket 1;
the filter component is arranged on the bracket 1, the filter component comprises an oil inlet pipeline 201, an oil outlet pipeline 202, a first connecting pipeline 203, a first filter 204, a second filter 205, a first switch 206, a second switch 207, a first valve 208, a second valve 209, a third valve 210 and a fourth valve 211, one end of the oil inlet pipeline 201 is provided with the first switch 206, the first filter 204 is provided with a first oil inlet end 2041 and a first oil outlet end 2042, the first oil inlet end 2041 is connected to the middle part of the oil inlet pipeline 201, the first oil outlet end 2042 is connected to the other end of the oil inlet pipeline 201, one end of the first connecting pipeline 203 is connected to the oil inlet pipeline 201 and is positioned between the first oil inlet end 2041 and the first oil outlet end 2042, the first valve 208 and the second valve 209 are arranged on the oil inlet pipeline 201 and are positioned at two sides of the first connecting pipeline 203, the second filter 205 is provided with a second oil inlet end and a second oil outlet end, the second oil inlet end is connected to the middle part of the first connecting pipeline 203, the second oil outlet end is connected to the other end of the first connecting pipeline 203, one end of the oil outlet pipeline 202 is communicated with the oil inlet pipeline 201, a second connecting pipeline 213 is arranged between the first connecting pipeline 203 and the oil outlet pipeline 202, the second switch 207 is arranged on the oil outlet pipeline 202 and is positioned between the first connecting pipeline 203 and the oil inlet pipeline 201, and the third valve 210 and the fourth valve 211 are arranged on the first connecting pipeline 203 and are positioned at two sides of the second connecting pipeline 213;
and a driving part provided on the first connection pipe 203.
In the technical scheme provided by the embodiment of the utility model, the bracket 1 is used for supporting the filtering component; the filter component is used for pumping and filtering hydraulic oil, the filter component is arranged on the bracket 1, the filter component comprises an oil inlet pipeline 201, an oil outlet pipeline 202, a first connecting pipeline 203, a first filter 204, a second filter 205, a first switch 206, a second switch 207, a first valve 208, a second valve 209, a third valve 210 and a fourth valve 211, one end of the oil inlet pipeline 201 is provided with the first switch 206, the first filter 204 is provided with a first oil inlet end 2041 and a first oil outlet end 2042, the first oil inlet end 2041 is connected to the middle part of the oil inlet pipeline 201, the first oil outlet end 2042 is connected to the other end of the oil inlet pipeline 201, one end of the first connecting pipeline 203 is connected to the oil inlet pipeline 201 and is positioned between the first oil inlet end 2041 and the first oil outlet end 2042, the first valve 208 and the second valve 209 are arranged on the oil inlet pipeline 201 and are positioned at two sides of the first connecting pipeline 203, the second filter 205 has a second oil inlet end and a second oil outlet end, the second oil inlet end is connected to the middle of the first connecting pipeline 203, the second oil outlet end is connected to the other end of the first connecting pipeline 203, one end of the oil outlet pipeline 202 is communicated with the oil inlet pipeline 201, a second connecting pipeline 213 is arranged between the first connecting pipeline 203 and the oil outlet pipeline 202, the second switch 207 is arranged on the oil outlet pipeline 202 and is positioned between the first connecting pipeline 203 and the oil inlet pipeline 201, the third valve 210 and the fourth valve 211 are arranged on the first connecting pipeline 203 and are positioned at two sides of the second connecting pipeline 213, the driving part is used for providing power, the driving part is arranged on the first connecting pipeline 203, compared with the prior art, the hydraulic oil filtering device only has a filtering function, hydraulic oil in a vehicle to be pumped out in other modes, and then the hydraulic oil is filtered by the hydraulic oil filtering device, in the technical scheme, when primary filtration is required, only the first switch 206, the first valve 208 and the third valve 210 are opened, hydraulic oil enters the first filter 204 through the oil inlet pipeline 201 for filtration and then is discharged through the first connecting pipeline 203, the second connecting pipeline 213 and the oil outlet pipeline 202, when primary filtration and secondary filtration are required, only the first switch 206, the first valve 208 and the fourth valve 211 are opened, hydraulic oil enters the first filter 204 through the oil inlet pipeline 201 for filtration and then enters the second filter 205 through the first connecting pipeline 203 for filtration and then is discharged through the second connecting pipeline 213 and the oil outlet pipeline 202, when oil pumping is required, only the first switch 206, the second valve 209 and the third valve 210 are opened, and simultaneously the driving part is opened, hydraulic oil loops through into oil pipe 201, first connecting tube 203, second connecting tube 213 and goes out oil pipe 202 and discharges, not only can take hydraulic oil out from the hoist and mount vehicle, can also filter hydraulic oil to reach the convenient oil of pumping and filterable technological effect.
The support 1 is used for supporting the filtering component, the support 1 is made of steel materials or aluminum alloy materials, and rollers can be arranged at the bottom of the support 1, so that the support 1 and the filtering component can be conveniently moved; the filter component is used for pumping and filtering hydraulic oil, the filter component is arranged on the bracket 1, the filter component comprises an oil inlet pipeline 201, an oil outlet pipeline 202, a first connecting pipeline 203, a first filter 204, a second filter 205, a first switch 206, a second switch 207, a first valve 208, a second valve 209, a third valve 210 and a fourth valve 211, one end of the oil inlet pipeline 201 is provided with the first switch 206, the first filter 204 is provided with a first oil inlet end 2041 and a first oil outlet end 2042, the first oil inlet end 2041 is connected to the middle part of the oil inlet pipeline 201, the first oil outlet end 2042 is connected to the other end of the oil inlet pipeline 201, one end of the first connecting pipeline 203 is connected to the oil inlet pipeline 201 and is positioned between the first oil inlet end 2041 and the first oil outlet end 2042, the first valve 208 and the second valve 209 are arranged on the oil inlet pipeline 201 and are positioned at two sides of the first connecting pipeline 203, so that a person can control whether the hydraulic oil enters the first filter 204 by controlling the first valve 208 and the second valve 209, if the first valve 208 is opened, the second valve 209 is closed, the hydraulic oil can be filtered through the first filter 204, if the first valve 208 is closed, the second valve 209 is opened, the hydraulic oil enters the first connecting pipe 203 through the second valve 209, the second filter 205 has a second oil inlet end and a second oil outlet end, the second oil inlet end is connected to the middle portion of the first connecting pipe 203, the second oil outlet end is connected to the other end of the first connecting pipe 203, one end of the oil outlet pipe 202 is communicated with the oil inlet pipe 201, a second connecting pipe 213 is arranged between the first connecting pipe 203 and the oil outlet pipe 202, a second switch 207 is arranged on the oil outlet pipe 202 and is positioned between the first connecting pipe 203 and the oil inlet pipe 201, a third valve 210 and a fourth valve 211 are arranged on the first connecting pipe 203, and is located at both sides of the second connection pipe 213, so that a person can control whether the hydraulic oil is introduced into the second filter 205 or not by controlling the third valve 210 and the fourth valve 211, if the fourth valve 211 is opened, the third valve 210 is closed, the hydraulic oil can be filtered through the second filter 205, if the fourth valve 211 is closed and the third valve 210 is opened, hydraulic oil is introduced into the second connecting pipe 213 and the oil outlet pipe 202 through the third valve 210, the driving part functions to supply power, the driving part is provided on the first connecting pipe 203, the driving part includes the pump body 31 and the motor 32, the pump body 31 is provided on the first connecting pipe 203, and is located between oil inlet pipe 201 and the second oil inlet end, and motor 32 is connected to the pump body 31, and the motor drives the pump body 31 operation, makes hydraulic oil can flow in the filter component to reach the technological effect of improving the flow rate of hydraulic oil.
Further, first connecting pipeline 203 includes transition pipeline 2031 and installation pipeline 2032, and the one end of transition pipeline 2031 is connected in oil inlet pipe 201, and the other end and installation pipeline 2032 and second go out oil end and communicate each other, and the second oil inlet end is connected in the one end of installation pipeline 2032, and the pump body 31 sets up on transition pipeline 2031. In this embodiment, the first connection pipeline 203 is further defined, one end of the transition pipeline 2031 is connected to the oil inlet pipeline 201, the other end of the transition pipeline is communicated with the oil outlet end of the installation pipeline 2032 and the second oil outlet end, the second oil inlet end is connected to one end of the installation pipeline 2032, and the pump body 31 is disposed on the transition pipeline 2031, that is, the transition pipeline 2031, the installation pipeline 2032 and the second oil inlet end are communicated with each other, but when the third valve 210 is opened and the fourth valve 211 is closed, the hydraulic oil enters the oil outlet pipeline 202 through the installation pipeline 2032 and the second connection pipeline 213 under the driving of the pump body 31 and is then discharged, thereby improving the discharge efficiency of the hydraulic oil.
Further, the filter assembly further includes a return assembly including a return pipe 2121 and a pressure valve 2122, wherein the return pipe 2121 is connected to the transition pipe 2031 at one end and to the oil outlet pipe 202 at the other end, and is located between the oil inlet pipe 201 and the second switch 207, and the pressure valve 2122 is disposed on the return pipe 2121. In this embodiment, a backflow component is added, and the backflow component is used to automatically open the pressure valve 2122 when an emergency occurs in the oil-well filter, and at the same time, the pressure valve 2122 transmits a signal to the second switch 207, and the second switch 207 is opened, so that hydraulic oil can enter the oil outlet pipeline 202 through the backflow pipeline 2121 and then be discharged, thereby achieving the technical effect of protecting the oil-well filter.
Further, a detection part 4, the detection part 4 is provided at the other end of the oil outlet pipe 202. In this embodiment, detection part 4 has been increased, and detection part 4's effect is the impurity condition in the real-time detection exhaust hydraulic oil to make things convenient for personnel to judge the condition of hydraulic oil, detection part 4 can adopt the hydraulic oil granularity detector to carry out real-time detection, thereby reaches the technological effect of conveniently detecting the granularity.
Further, first filter 204 includes first casing 2043 and first filter core 2044, and first filter core 2044 sets up in first casing 2043, and the both ends of first casing 2043 are first through-hole and second through-hole respectively, the first through-hole of one end shutoff of first filter core 2044, and first filter 204 still includes first filtration pipeline and second filtration pipeline, and the one end of first filtration pipeline is first oil feed end 2041, and the other end communicates with each other with first through-hole, and the one end of second filtration pipeline is first oil outlet end 2042, and the other end communicates with the second through-hole each other. In this embodiment, the first filter 204 is further limited, one end of the first filter element 2044 is an open end, the other end of the first filter element 2044 is a closed end, and the side surface of the first filter element 2044 is a filter layer, so that one end of the first filter element 2044 blocks the first through hole, hydraulic oil enters the first filter element 2044 through the first filter pipeline and the open end, and is then discharged into the first housing 2043 through the filter layer, and then enters the second filter pipeline through the second through hole, thereby improving the filtering effect of the hydraulic oil.
Further, the second filter 205 includes a second housing and a second filter element, the second filter element is disposed in the second housing, the two ends of the second housing are respectively provided with a third through hole and a fourth through hole, one end of the second filter element is plugged into the third through hole, the second filter 205 further includes a third filter pipeline and a fourth filter pipeline, one end of the second filter pipeline is a second oil inlet end, the other end of the second filter pipeline is communicated with the third through hole, one end of the second filter pipeline is a second oil outlet end, and the other end of the second filter pipeline is communicated with the fourth through hole. In this embodiment, the second filter 205 is further limited, one end of the second filter element is an opening, the other end of the second filter element is a closed end, and the side surface of the second filter element is a filter layer, so that the third through hole is blocked by one end of the second filter element, so that the hydraulic oil enters the second filter element through the third filter pipeline and the opening, and then is discharged into the second housing through the filter layer, and then enters the fourth filter pipeline through the fourth through hole, thereby improving the filtering effect of the hydraulic oil.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An oil pumping filter, comprising:
a support;
the filter component is arranged on the bracket and comprises an oil inlet pipeline, an oil outlet pipeline, a first connecting pipeline, a first filter, a second filter, a first switch, a second switch, a first valve, a second valve, a third valve and a fourth valve, wherein the first switch is arranged at one end of the oil inlet pipeline, the first filter is provided with a first oil inlet end and a first oil outlet end, the first oil inlet end is connected to the middle part of the oil inlet pipeline, the first oil outlet end is connected to the other end of the oil inlet pipeline, one end of the first connecting pipeline is connected to the oil inlet pipeline and is positioned between the first oil inlet end and the first oil outlet end, the first valve and the second valve are arranged on the oil inlet pipeline and are positioned at two sides of the first connecting pipeline, and the second filter is provided with a second oil inlet end and a second oil outlet end, the second oil inlet end is connected to the middle part of the first connecting pipeline, the second oil outlet end is connected to the other end of the first connecting pipeline, one end of the oil outlet pipeline is communicated with the oil inlet pipeline, a second connecting pipeline is arranged between the first connecting pipeline and the oil outlet pipeline, the second switch is arranged on the oil outlet pipeline and is positioned between the first connecting pipeline and the oil inlet pipeline, and the third valve and the fourth valve are arranged on the first connecting pipeline and are positioned on two sides of the second connecting pipeline;
a driving part disposed on the first connection pipe.
2. An oil well filter as set forth in claim 1,
the driving component comprises a pump body and an electric motor, the pump body is arranged on the first connecting pipeline and is positioned between the oil inlet pipeline and the second oil inlet end, and the electric motor is connected to the pump body.
3. An oil well filter as claimed in claim 2,
the first connecting pipeline comprises a transition pipeline and an installation pipeline, one end of the transition pipeline is connected with the oil inlet pipeline, the other end of the transition pipeline is communicated with the installation pipeline and the second oil outlet end, the second oil inlet end is connected with one end of the installation pipeline, and the pump body is arranged on the transition pipeline.
4. An oil well filter as claimed in claim 3,
the filter component further comprises a backflow component, the backflow component comprises a backflow pipeline and a pressure valve, one end of the backflow pipeline is connected to the transition pipeline, the other end of the backflow pipeline is connected to the oil outlet pipeline, the backflow pipeline is located between the oil inlet pipeline and the second switch, and the pressure valve is arranged on the backflow pipeline.
5. An oil well filter as claimed in any one of claims 1 to 4 further comprising:
and the detection part is arranged at the other end of the oil outlet pipeline.
6. An oil well filter as claimed in any one of claims 1 to 4,
the first filter comprises a first shell and a first filter element, the first filter element is arranged in the first shell, the two ends of the first shell are respectively provided with a first through hole and a second through hole, and one end of the first filter element is plugged with the first through hole.
7. An oil well filter as claimed in claim 6,
the first filter also comprises a first filtering pipeline and a second filtering pipeline, one end of the first filtering pipeline is the first oil inlet end, the other end of the first filtering pipeline is communicated with the first through hole, one end of the second filtering pipeline is the first oil outlet end, and the other end of the second filtering pipeline is communicated with the second through hole.
8. An oil well filter as claimed in any one of claims 1 to 4,
the second filter comprises a second shell and a second filter element, the second filter element is arranged in the second shell, a third through hole and a fourth through hole are formed in the two ends of the second shell respectively, and one end of the second filter element is plugged with the third through hole.
9. An oil well filter as claimed in claim 8,
the second filter still includes third filtering conduit and fourth filtering conduit, the one end of second filtering conduit does the second oil feed end, the other end with the third through-hole communicates each other, the one end of second filtering conduit is the second and goes out oil end, the other end with the fourth through-hole communicates each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484305.6U CN214914036U (en) | 2021-06-30 | 2021-06-30 | Oil pumping filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484305.6U CN214914036U (en) | 2021-06-30 | 2021-06-30 | Oil pumping filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214914036U true CN214914036U (en) | 2021-11-30 |
Family
ID=79075137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121484305.6U Active CN214914036U (en) | 2021-06-30 | 2021-06-30 | Oil pumping filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214914036U (en) |
-
2021
- 2021-06-30 CN CN202121484305.6U patent/CN214914036U/en active Active
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