CN219681864U - Lubricating oil production filter equipment - Google Patents
Lubricating oil production filter equipment Download PDFInfo
- Publication number
- CN219681864U CN219681864U CN202321297603.3U CN202321297603U CN219681864U CN 219681864 U CN219681864 U CN 219681864U CN 202321297603 U CN202321297603 U CN 202321297603U CN 219681864 U CN219681864 U CN 219681864U
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- Prior art keywords
- round
- lubricating oil
- round frame
- motor
- wall
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000007790 scraping Methods 0.000 claims abstract description 56
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 21
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000670 limiting effect Effects 0.000 abstract description 5
- 239000002199 base oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a lubricating oil production filtering device in the technical field of lubricating oil filtration, which comprises a stirring mechanism, wherein the stirring mechanism comprises a round frame, the upper side of the round frame is fixedly connected with a motor, the bottom end of a rotating shaft of the motor penetrates into the round frame and is rotationally connected with the bottom surface of the inner wall of the round frame, an arc-shaped reciprocating groove is formed in the side surface of the rotating shaft of the motor, a circular ring is movably sleeved on the side surface of the motor, two circular rods are movably spliced on the side surface of the circular ring, two swinging plates are rotationally connected to the side surface of the circular rod, the motor drives two scraping strips to rotate, impurities on a first filtering plate are scraped into two collecting frames through the rotating scraping strips, meanwhile, the motor drives the arc-shaped reciprocating groove to rotate, the circular rods drive the swinging plates to move up and down through limiting of the circular ring and the sliding grooves, and the swinging plates are rotated through the resistance of lubricating oil, so that the flow speed of the lubricating oil in the round frame can be accelerated, and the rapid filtering of the lubricating oil can be completed.
Description
Technical Field
The utility model relates to the technical field of lubricating oil filtration, in particular to a lubricating oil production filtration device.
Background
Lubricating oils are liquid or semisolid lubricants used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and workpieces, and mainly have the functions of lubrication, cooling, rust prevention, cleaning, sealing, buffering and the like, and generally consist of two parts of base oil and additives. The base oil is the main component of the lubricating oil, which determines the basic property of the lubricating oil, the additive can make up and improve the defects of the base oil in terms of performance, and certain new performances are given, so that the base oil is an important component of the lubricating oil.
The prior patent (publication number: CN 216986585U) discloses a filter for lubricating grease production, which comprises a filter box, wherein an oil inlet is formed in the filter box, a filter assembly is arranged in the filter box, the filter assembly comprises a primary filter screen and a secondary filter screen, the filtering effect of the filter assembly is judged according to the outflow state of base oil, if the filtering effect is poor, a valve is closed, an oil delivery pump is started, the base oil is conveyed back into the filter box for filtering again, and if the filtering is qualified, the base oil is collected in an oil tank. However, the technical scheme still has the defects, and the technical scheme is as follows:
above-mentioned device is through carrying lubricating oil through the oil pump when lubricating oil filters relatively poor, accomplishes the multiple filtration to lubricating oil, because the lubricating oil of processing factory production is more, and lubricating oil is comparatively thick for the velocity of flow of lubricating oil is slower, and this just leads to the lubricating oil slower in the speed of production. To this end, we propose a lubricating oil production filter device to solve the above-mentioned problems.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide a lubricating oil production filtering device which can solve the problems that the efficiency of lubricating oil production is slower due to more lubricating oil produced by a processing plant because the lubricating oil is conveyed by an oil pump to finish multiple times of filtering when the filtering of the lubricating oil is poor.
In order to solve the technical problems, the utility model provides a lubricating oil production filtering device, which adopts the following technical scheme: the stirring mechanism comprises a round frame, wherein the upper side of the round frame is fixedly connected with a motor, the bottom end of a rotating shaft of the motor penetrates through the inside of the round frame and is rotationally connected with the bottom surface of the inner wall of the round frame, an arc-shaped reciprocating groove is formed in the side surface of the rotating shaft of the motor, a round ring is movably sleeved on the side surface of the motor, two round rods are movably spliced on the side surface of the round ring, and two swinging plates are rotationally connected to the side surface of the round rod;
the scraping mechanism comprises a first filter plate, the side face of the first filter plate is fixedly connected with the upper side of the inner wall of the round frame, the second filter plate is fixedly connected with the lower side of the inner wall of the round frame, two scraping strips are fixedly connected with the upper side of the rotating shaft of the motor, a scraping ring is slidably connected with the side face of the inner wall of the round frame, and collecting frames are fixedly connected with the left side and the right side of the top face of the inner wall of the round frame.
Through adopting above-mentioned technical scheme, this scheme can accelerate the velocity of flow of lubricating oil at the inside of circle frame, accomplishes the quick filtration to lubricating oil, and can scrape the part lubricating oil that the side was left over of circle frame inner wall side, has reduced the waste when lubricating oil production.
Optionally, the cross section of the scraping ring is triangular, and two opposite ends of the round rod extend to the outer side of the scraping ring respectively.
Through adopting above-mentioned technical scheme, this scheme is comparatively sharp-pointed through triangle-shaped's scraping ring, and it is higher to the remaining lubricating oil scraping effect of round frame inner wall.
Optionally, both sides all have seted up the spout around the circle frame inner wall, the side of spout inner wall and the side sliding connection of round bar.
Through adopting above-mentioned technical scheme, this scheme can make the round bar vertically slide from top to bottom through the spout.
Optionally, the upper side of circle frame is fixed to peg graft and is had the inlet pipe, the downside of circle frame side is fixed to peg graft and is had the ball valve.
Through adopting above-mentioned technical scheme, this scheme is convenient through the inside of adding the circle frame with lubricating oil in the inlet pipe, and the ball valve is convenient to take out lubricating oil.
Optionally, the shape of the cross section of the scraping strip is a right trapezoid, and the bottom surface of the scraping strip is slidably connected with the top surface of the first filter plate.
Through adopting above-mentioned technical scheme, this scheme is comparatively sharp through the cross section for right trapezoid's scraping strip is whole, and is better to the effect that first filter upside impurity was scraped.
Optionally, one end of the round bar is slidably connected with the side surface of the inner wall of the arc-shaped reciprocating groove, and the opposite ends of the two round bars are respectively subjected to round corner treatment.
Through adopting above-mentioned technical scheme, the resistance that this scheme produced when through the one end of the round bar that does the fillet processing and the reciprocal inslot wall side contact of arc is less.
Optionally, the side of the axis of rotation of motor has fixedly cup jointed the bearing, the inner fixed connection of outer lane and the round frame of bearing.
Through adopting above-mentioned technical scheme, this scheme has reduced the frictional force of axis of rotation of motor when the face rotates of circle frame through the bearing.
Optionally, the bottom surface of the inner wall of the collecting frame and the lower side of the first filter plate are on the same horizontal plane.
Through adopting above-mentioned technical scheme, this scheme can remove the side of collecting the frame inner wall through the impurity of first filter upside.
In summary, the present utility model includes at least one of the following beneficial effects: 1. the motor drives the two scraping strips to rotate, impurities on the first filter plate are scraped into the two collecting frames through the rotating scraping strips, meanwhile, the motor drives the arc-shaped reciprocating groove to rotate, the round rod drives the swinging plate to move up and down through limiting of the round ring and the sliding groove on the round rod, the swinging plate is made to rotate through the resistance of lubricating oil, the flow speed of the lubricating oil in the round frame can be accelerated, and the rapid filtering of the lubricating oil is completed;
2. the motor drives the arc-shaped reciprocating groove to rotate, the chute and the circular ring are used for limiting the circular rod, the circular rod moves up and down through the arc-shaped reciprocating groove, the two circular rods drive the scraping ring to move up and down, and part of lubricating oil left on the side face of the inner wall of the circular frame can be scraped, so that waste during lubricating oil production is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a partial perspective view of the present utility model;
FIG. 3 is a schematic view of a partial perspective structure of the present utility model;
fig. 4 is a partial perspective view of a round frame according to the present utility model.
Reference numerals illustrate: 100. a stirring mechanism; 101. a round frame; 101a, a chute; 101b, a feeding pipe; 101c, ball valve; 102. a motor; 103. arc reciprocating groove; 104. a circular ring; 105. a round bar; 106. a swinging plate;
200. a scraping mechanism; 201. a first filter plate; 202. a second filter plate; 203. scraping the strip; 204. a scraping ring; 205. and (5) a collecting frame.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
1-4, in order to solve the problem that the efficiency of the production of the lubricating oil is slow due to the fact that the lubricating oil is produced more by a processing plant in the prior art, the utility model discloses a lubricating oil production filtering device,
comprises a stirring mechanism 100, which comprises a round frame 101, wherein both front and back sides of the inner wall of the round frame 101 are provided with sliding grooves 101a, the side surface of the inner wall of the sliding groove 101a is in sliding connection with the side surface of a round rod 105, the sliding grooves 101a can enable the round rod 105 to vertically slide up and down, a feeding pipe 101b is fixedly inserted at the upper side of the round frame 101, a ball valve 101c is fixedly inserted at the lower side of the side surface of the round frame 101, the feeding pipe 101b is convenient for adding lubricating oil into the round frame 101, the ball valve 101c is convenient for taking out the lubricating oil, a motor 102 is fixedly connected at the upper side of the round frame 101, a bearing is fixedly sleeved at the side surface of a rotating shaft of the motor 102, the outer ring of the bearing is fixedly connected with the inside of the round frame 101, the friction force of the rotating shaft of the motor 102 when the side surface of the round frame 101 rotates is reduced through the bearing, the bottom end of the rotating shaft of the motor 102 penetrates through the inside of the round frame 101 and is rotationally connected with the bottom surface of the inner wall of the round frame 101, an arc-shaped reciprocating groove 103 is formed in the side surface of the rotating shaft of the motor 102, a circular ring 104 is movably sleeved on the side surface of the motor 102, two round rods 105 are movably spliced on the side surface of the circular ring 104, one end of each round rod 105 is slidably connected with the side surface of the inner wall of the arc-shaped reciprocating groove 103, the opposite ends of the two round rods 105 are respectively subjected to round corner treatment, the resistance generated when one end of each round rod 105 subjected to the round corner treatment is in contact with the side surface of the inner wall of the arc-shaped reciprocating groove 103 is small, and two swinging plates 106 are rotationally connected to the side surface of the round rods 105.
The specific working principle is as follows: the motor 102 drives the two scraping strips 203 to rotate through the rotating shaft of the motor 102, the lubricating oil to be filtered is poured into the round frame 101, impurities in the lubricating oil are blocked through the first filter plate 201, the impurities on the upper side of the first filter plate 201 are scraped into the two collecting frames 205 through the scraping strips 203 in a rotating state, meanwhile, the motor 102 drives the arc-shaped reciprocating groove 103 to rotate, the round rod 105 is enabled to drive the four swinging plates 106 to move up and down through the limiting state of the circular ring 104 and the sliding groove 101a, the swinging plates 106 are enabled to rotate through the resistance of the lubricating oil, the flow speed of the lubricating oil in the round frame 101 can be accelerated, and the quick filtering of the lubricating oil is completed.
Referring to fig. 1-4, in order to solve the problem that part of the lubricating oil remains inside the processing frame and is wasted after the lubricating oil is filtered, the lubricating oil production filtering device further includes:
the stirring mechanism 100 comprises a round frame 101, sliding grooves 101a are formed in the front side and the rear side of the inner wall of the round frame 101, the side faces of the inner wall of the sliding grooves 101a are in sliding connection with the side faces of round rods 105, the sliding grooves 101a can enable the round rods 105 to vertically slide up and down, a feeding pipe 101b is fixedly inserted into the upper side of the round frame 101, a ball valve 101c is fixedly inserted into the lower side of the side faces of the round frame 101, the feeding pipe 101b is convenient to feed lubricating oil into the inside of the round frame 101, the ball valve 101c is convenient to take out lubricating oil, a motor 102 is fixedly connected with the side faces of a rotating shaft of the motor 102, a bearing is fixedly sleeved on the side faces of the outer ring of the bearing, the inner side faces of the bearing are fixedly connected with the inner side faces of the round frame 101, friction force of the rotating shaft of the motor 102 when the side faces of the round frame 101 rotate is reduced through the bearing, the bottom end of the rotating shaft of the motor 102 penetrates into the inner face of the round frame 101 and is in rotating connection with the bottom face of the inner wall of the round frame 101, an arc-shaped reciprocating groove 103 is formed in the side faces of the rotating shaft of the motor 102, a round ring 104 is movably sleeved on the side faces of the motor 102, two round rods 105 are movably inserted into the side faces of the round rod 105, one end of the round rod 105 is in contact with the opposite round groove 103, and one end of the round rod 105 is in the opposite round groove to the round groove, and the round groove 105 is in the round groove opposite to the round groove, and the round groove is in the round groove.
The scraping mechanism 200 comprises a first filter plate 201, the side face of the first filter plate 201 is fixedly connected with the upper side of the inner wall of the round frame 101, a second filter plate 202 is fixedly connected with the lower side of the inner wall of the round frame 101, two scraping strips 203 are fixedly connected to the upper side of a rotating shaft of the motor 102, the cross section of each scraping strip 203 is in a right trapezoid shape, the bottom face of each scraping strip 203 is slidably connected with the top face of the first filter plate 201, the whole scraping strips 203 in the cross section of each scraping strip in the right trapezoid shape are sharp, the effect of scraping impurities on the upper side of the first filter plate 201 is good, a scraping ring 204 is slidably connected to the side face of the inner wall of the round frame 101, the cross section of each scraping ring 204 is triangular, one ends, opposite to the two round rods 105, of each scraping ring 204 are respectively extended to the outer side of each scraping ring 204, the residual lubricating oil on the inner wall of the round frame 101 is relatively sharp, the left side and the right side of the top face of the inner wall of the round frame 101 are fixedly connected with a collecting frame 205, the bottom face of each scraping ring 205 is located on the same horizontal plane, and the bottom face of the inner wall of each scraping ring 205 and the lower side of the first filter plate 201 are relatively sharp.
The specific working principle is as follows: the arc-shaped reciprocating groove 103 on the side face of the motor 102 is driven to rotate by the rotating shaft of the motor 102, the round bar 105 is driven to move up and down on the side face of the rotating shaft of the motor 102 by the side face of the inner wall of the arc-shaped reciprocating groove 103 through the limiting effect of the sliding groove 101a and the round ring 104, the two round bars 105 drive the scraping ring 204 to move up and down on the side face of the inner wall of the round frame 101, and part of lubricating oil left on the side face of the inner wall of the round frame 101 can be scraped, so that waste in lubricating oil production is reduced.
Referring to fig. 1-4, in order to solve the problem that the existing part of the lubricating oil is thicker, resulting in a thicker lubricating oil being filtered, in this embodiment, the lubricating oil production filtering device further includes, based on the same concept as that of the first embodiment, the following:
the stirring mechanism 100 comprises a round frame 101, sliding grooves 101a are formed in the front side and the rear side of the inner wall of the round frame 101, the side faces of the inner wall of the sliding grooves 101a are in sliding connection with the side faces of round rods 105, the sliding grooves 101a can enable the round rods 105 to vertically slide up and down, a feeding pipe 101b is fixedly inserted into the upper side of the round frame 101, a ball valve 101c is fixedly inserted into the lower side of the side faces of the round frame 101, the feeding pipe 101b is convenient to feed lubricating oil into the inside of the round frame 101, the ball valve 101c is convenient to take out lubricating oil, a motor 102 is fixedly connected with the side faces of a rotating shaft of the motor 102, a bearing is fixedly sleeved on the side faces of the outer ring of the bearing, the inner side faces of the bearing are fixedly connected with the inner side faces of the round frame 101, friction force of the rotating shaft of the motor 102 when the side faces of the round frame 101 rotate is reduced through the bearing, the bottom end of the rotating shaft of the motor 102 penetrates into the inner face of the round frame 101 and is in rotating connection with the bottom face of the inner wall of the round frame 101, an arc-shaped reciprocating groove 103 is formed in the side faces of the rotating shaft of the motor 102, a round ring 104 is movably sleeved on the side faces of the motor 102, two round rods 105 are movably inserted into the side faces of the round rod 105, one end of the round rod 105 is in contact with the opposite round groove 103, and one end of the round rod 105 is in the opposite round groove to the round groove, and the round groove 105 is in the round groove opposite to the round groove, and the round groove is in the round groove.
The scraping mechanism 200 comprises a first filter plate 201, the side face of the first filter plate 201 is fixedly connected with the upper side of the inner wall of the round frame 101, a second filter plate 202 is fixedly connected with the lower side of the inner wall of the round frame 101, two scraping strips 203 are fixedly connected to the upper side of a rotating shaft of the motor 102, the cross section of each scraping strip 203 is in a right trapezoid shape, the bottom face of each scraping strip 203 is slidably connected with the top face of the first filter plate 201, the whole scraping strips 203 in the cross section of each scraping strip in the right trapezoid shape are sharp, the effect of scraping impurities on the upper side of the first filter plate 201 is good, a scraping ring 204 is slidably connected to the side face of the inner wall of the round frame 101, the cross section of each scraping ring 204 is triangular, one ends, opposite to the two round rods 105, of each scraping ring 204 are respectively extended to the outer side of each scraping ring 204, the residual lubricating oil on the inner wall of the round frame 101 is relatively sharp, the left side and the right side of the top face of the inner wall of the round frame 101 are fixedly connected with a collecting frame 205, the bottom face of each scraping ring 205 is located on the same horizontal plane, and the bottom face of the inner wall of each scraping ring 205 and the lower side of the first filter plate 201 are relatively sharp.
The specific working principle is as follows: the motor 102 drives the two scraping strips 203 to rotate, so that the scraping strips 203 in a rotating state generate vortex, lubricating oil is conveniently moved to the lower side of the inner wall of the round frame 101, meanwhile, the rotating shaft of the motor 102 drives the two round rods 10 to move up and down with the swinging plate 106 through the arc-shaped reciprocating groove 103, and when the swinging plate 106 moves up and down, the lubricating oil moves down to generate resistance to the swinging plate 106, so that the swinging plate 106 rotates, and the lubricating oil can be rapidly filtered downwards.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A lubricating oil production filter equipment, its characterized in that: comprising the steps of (a) a step of,
the stirring mechanism (100) comprises a round frame (101), wherein a motor (102) is fixedly connected to the upper side of the round frame (101), the bottom end of a rotating shaft of the motor (102) penetrates through the inside of the round frame (101) and is rotationally connected with the bottom surface of the inner wall of the round frame (101), an arc-shaped reciprocating groove (103) is formed in the side surface of the rotating shaft of the motor (102), a circular ring (104) is movably sleeved on the side surface of the motor (102), two round rods (105) are movably spliced on the side surface of the circular ring (104), and two swinging plates (106) are rotationally connected to the side surface of the round rods (105);
the scraping mechanism (200) comprises a first filter plate (201), the side face of the first filter plate (201) is fixedly connected with the upper side of the inner wall of the round frame (101), the lower side of the inner wall of the round frame (101) is fixedly connected with a second filter plate (202), the upper side of a rotating shaft of the motor (102) is fixedly connected with two scraping strips (203), the side face of the inner wall of the round frame (101) is slidably connected with a scraping ring (204), and the left side and the right side of the top face of the inner wall of the round frame (101) are fixedly connected with a collecting frame (205).
2. A lubricating oil production filter device as claimed in claim 1, wherein: the cross section of the scraping ring (204) is triangular, and one ends of the two round rods (105) opposite to each other extend to the outer side of the scraping ring (204) respectively.
3. A lubricating oil production filter device as claimed in claim 1, wherein: the sliding grooves (101 a) are formed in the front side and the rear side of the inner wall of the round frame (101), and the side faces of the inner wall of the sliding grooves (101 a) are in sliding connection with the side faces of the round rods (105).
4. A lubricating oil production filter device as claimed in claim 1, wherein: the upper side of the round frame (101) is fixedly inserted with a feeding pipe (101 b), and the lower side of the side surface of the round frame (101) is fixedly inserted with a ball valve (101 c).
5. A lubricating oil production filter device as claimed in claim 1, wherein: the cross section of the scraping strip (203) is in a right trapezoid shape, and the bottom surface of the scraping strip (203) is in sliding connection with the top surface of the first filter plate (201).
6. A lubricating oil production filter device as claimed in claim 1, wherein: one end of each round rod (105) is in sliding connection with the side face of the inner wall of the arc-shaped reciprocating groove (103), and the opposite ends of the two round rods (105) are respectively subjected to round corner treatment.
7. A lubricating oil production filter device as claimed in claim 1, wherein: the side of the rotating shaft of the motor (102) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inside of the round frame (101).
8. A lubricating oil production filter device as claimed in claim 1, wherein: the bottom surface of the inner wall of the collecting frame (205) and the lower side of the first filter plate (201) are on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321297603.3U CN219681864U (en) | 2023-05-26 | 2023-05-26 | Lubricating oil production filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321297603.3U CN219681864U (en) | 2023-05-26 | 2023-05-26 | Lubricating oil production filter equipment |
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| Publication Number | Publication Date |
|---|---|
| CN219681864U true CN219681864U (en) | 2023-09-15 |
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ID=87945510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321297603.3U Active CN219681864U (en) | 2023-05-26 | 2023-05-26 | Lubricating oil production filter equipment |
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| Country | Link |
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| CN (1) | CN219681864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117065441A (en) * | 2023-10-18 | 2023-11-17 | 启东市鸿洋润滑产品有限公司 | Hierarchical formula edulcoration device is used in lubricating oil processing |
-
2023
- 2023-05-26 CN CN202321297603.3U patent/CN219681864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117065441A (en) * | 2023-10-18 | 2023-11-17 | 启东市鸿洋润滑产品有限公司 | Hierarchical formula edulcoration device is used in lubricating oil processing |
| CN117065441B (en) * | 2023-10-18 | 2023-12-29 | 启东市鸿洋润滑产品有限公司 | Hierarchical formula edulcoration device is used in lubricating oil processing |
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