CN113694641A - Non-planar medium gearbox filter device and method - Google Patents
Non-planar medium gearbox filter device and method Download PDFInfo
- Publication number
- CN113694641A CN113694641A CN202111063271.8A CN202111063271A CN113694641A CN 113694641 A CN113694641 A CN 113694641A CN 202111063271 A CN202111063271 A CN 202111063271A CN 113694641 A CN113694641 A CN 113694641A
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- box body
- threaded rod
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 43
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 239000011087 paperboard Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 14
- 239000011111 cardboard Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 239000000123 paper Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 9
- 238000005452 bending Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
- B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/005—Filters specially adapted for use in internal-combustion engine lubrication or fuel systems
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a non-planar medium gearbox filter device and a method, comprising a lower box body, wherein the side surface of the lower box body is fixedly connected with a mounting plate, the surface of the mounting plate is fixedly provided with an upper box body, both sides of the bottom of the lower box body and both sides of the upper box body are fixedly connected with transverse threaded rods, the surfaces of the transverse threaded rods are sleeved with adjusting rings in a sliding manner, the surface of one side of each adjusting ring is fixedly connected with an adjusting threaded rod, the surface of one end of each adjusting threaded rod is provided with an adjusting plate in a sliding manner through an adjusting hole, the surfaces of both ends of each adjusting plate are connected to the side surface of the lower box body in a sliding manner, the surface of one side of each adjusting plate is fixedly connected with a V-shaped plate, the surfaces of both sides of each V-shaped plate are provided with a compression gap, the side surfaces of each compression gap are paved with a filter paper plate, the surfaces of the filter paper plates are attached to the surfaces of both sides of the V-shaped plates, therefore, the convenience and the stability of use can be greatly improved, and the safety and the high efficiency of filtration are ensured.
Description
Technical Field
The present invention relates to the field of bulk filters, and more particularly to a non-planar media transmission filter apparatus and method.
Background
In the use of motor transmission, in order to guarantee inside safety and sanitation, need filter the oil that gets into, guarantee lubricated cooling effect after getting rid of impurity, just so need dock installation filter device.
However, in the structure of the existing automobile filter device, due to the limitation of the internal space of the automobile, the required filter structure is also small, especially for the filter with a non-planar structure, so that the filtering area is reduced, the filtering effect is affected, meanwhile, the passing pressure is large, the damage of the filtering paper board is easily caused, the stability is not enough, the installation cannot be adjusted according to the specification and thickness of the filtering paper board, only the filtering paper board with fixed specification can be used, the interchangeability is poor, the maintenance is not facilitated, and the cost is high and needs to be improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a non-planar medium gearbox filter device and a method, the non-planar medium gearbox filter device is convenient to combine and use by butt joint installation of an upper box body and a lower box body, an adjusting threaded rod is installed by connecting a transverse threaded rod with an adjusting ring, an adjusting plate and a V-shaped plate structure are further installed, the distance can be adjusted to adapt to filtering paper boards with different thicknesses according to needs, meanwhile, an inclined installation surface can be formed by adjusting different concave heights up and down, the filtering contact area is further increased, the passing pressure is reduced, the filtering efficiency and quality are ensured, the convenience and stability in use can be greatly improved, and the safety and high efficiency of filtering are ensured.
In order to solve the above problems, the present invention adopts the following technical solutions.
A non-planar medium transmission filter device and a method thereof comprise a lower box body, wherein the side surface of the lower box body is fixedly connected with a mounting plate, the surface of the mounting plate is fixedly provided with an upper box body, both sides of the bottom of the lower box body and both sides of the upper box body are fixedly connected with transverse threaded rods, the surface of the transverse threaded rod is sleeved with an adjusting ring in a sliding manner, the surface of one side of the adjusting ring is fixedly connected with an adjusting threaded rod, an adjusting plate is slidably mounted on one end surface of the adjusting threaded rod through an adjusting hole, the two end surfaces of the adjusting plate are slidably connected to the side surface of the lower box body, a V-shaped plate is fixedly connected with the surface of one side of the adjusting plate, a compression gap is formed on the surface of the two sides of the V-shaped plate, the side of compressing tightly the clearance has laid and has filtered the cardboard, the surface laminating of filtering the cardboard is in the both sides surface of V template, it buckles to form the ripple column structure to filter the cardboard.
Furthermore, one end surface of the V-shaped plate is provided with a smooth angle, the surface of the smooth angle is tightly connected to one side surface of the filtering paper board in a propping manner, the filtering paper board is tightly propped through the smooth angle, so that the bending position can be smoothly transited, and the bending positioning safety is ensured.
Furthermore, the both sides surface of V template all is equipped with the through-hole, a side surface of through-hole is located a side surface of filtering the cardboard, through setting up the through-hole, can guarantee that the medium is high-efficient to pass through, improves filtration efficiency.
Further, fixing nuts are installed on the surfaces of the two ends of the adjusting threaded rod in a threaded mode, one side surface of each fixing nut is connected to the surfaces of the two sides of the adjusting plate in a clamping mode, the adjusting plate is clamped through the fixing nuts, the stability of height adjustment can be guaranteed, and stepped arrangement is facilitated.
Further, positioning nut is installed to the surface screw thread of horizontal threaded rod, positioning nut's the tight both ends surface of connecting in the adjustable ring in surface top, through positioning nut top tight adjustable ring, can guarantee the stability of horizontal regulation, do benefit to the different thickness interval of adaptation.
Furthermore, the positioning nuts are symmetrically distributed on two sides of the adjusting ring and connected in groups.
Further, the one end fixed surface of box installs the inlet pipe down, the surface of inlet pipe is located one side position of mounting panel, through box installation inlet pipe down, can follow the bottom feeding, does benefit to stable filtration, convenient clearance maintenance.
Further, go up the one end fixed surface of box and be connected with the discharging pipe, the discharging pipe is located the top position of last box, through upper end installation discharging pipe, does benefit to the oil outflow after the filtration, conveniently connects the use, avoids interfering.
Furthermore, the adjusting ring and the V-shaped plate are distributed in the lower box body and the upper box body in an equidistant staggered manner and are distributed in a stepped structure in a left-right mode.
Further, the method comprises the following steps:
s1, rotating the positioning nuts at the two ends of the adjusting ring to drive the adjusting ring to slide along the transverse threaded rod to adjust the relative position;
s2, adjusting positions of the adjusting plate and the V-shaped plate by adjusting the threaded rod to change the distance between the adjusting plate and the V-shaped plate, and further adjusting the width of the compression gap to adapt to filtering paper boards with different thicknesses;
s3, rotating the fixing nut to drive the adjusting plate to slide up and down along the adjusting thread, adjusting the relative height, and adjusting the V-shaped plates at different positions to different heights;
s4, keeping the middle V-shaped plate at the highest position, and sequentially reducing the heights of the V-shaped plates at the two sides to form a step arrangement structure and an inclined mounting plane;
s5, placing the filter paper board on the smooth corner of the V-shaped board, and pressing down along the pressing gap to form a corrugated structure;
s6, folding and installing the lower box body and the upper box body after the adjustment is finished, and pressing corrugated filter paper boards to position by two layers of staggered V-shaped plate structures to form an installation structure with a high middle part and low ends;
s7, integrally mounting the filter plate on an automobile, enabling the filter plate to enter a medium from a feeding pipe, filtering the medium by a filter paper plate, and discharging the filtered medium from a discharging pipe at the upper end to finish mounting.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through last box and lower box butt joint installation, and convenient combination uses to through horizontal threaded rod connection adjustable ring installation adjusting threaded rod, and then installation regulating plate and V template structure, can adjust the filtration cardboard of interval adaptation different thickness as required, sign the height through adjusting different concave from top to bottom simultaneously, can form the slope installation face, and then increase filtration area of contact, reduce and pass through pressure, guarantee filtration efficiency and quality.
(2) The filtering paper board is tightly propped through the smooth corners, so that the bending position can be smoothly transited, and the safety of bending positioning is ensured.
(3) Through setting up the through-hole, can guarantee that the medium is high-efficient to pass through, improve filtration efficiency.
(4) The adjusting plate is clamped through the fixing nut, so that the stability of height adjustment can be guaranteed, and stepped arrangement is facilitated.
(5) Through the tight adjustable ring of set nut top, can guarantee the stability of horizontal regulation, do benefit to the different thickness intervals of adaptation.
(6) Through lower box installation inlet pipe, can follow the bottom feeding, do benefit to stable filtration, convenient clearance is maintained.
(7) Through upper end installation discharging pipe, do benefit to the oil after the filtration and flow out, conveniently connect the use, avoid interfering.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial schematic view of the connection of the V-shaped plates of the present invention;
FIG. 3 is a side cross-sectional schematic view of the V-shaped plate of the present invention.
The reference numbers in the figures illustrate:
the device comprises a lower box body 1, a mounting plate 11, an upper box body 12, a transverse threaded rod 13, a regulating ring 14, a regulating threaded rod 15, a regulating hole 16, a regulating plate 17, a shaping plate 18V, a smooth angle 19, a compression gap 2, a filtering paper board 2, a through hole 22, a fixing nut 23, a positioning nut 24, a feeding pipe 25 and a discharging pipe 26.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-3, a non-planar medium transmission filter device and method includes a lower case 1, referring to fig. 1 and 3, a mounting plate 11 is fixedly connected to a side surface of the lower case 1, an upper case 12 is fixedly mounted on a surface of the mounting plate 11 and can be mounted by using a screw assembly, a seal ring is mounted at a seam position for sealing, leakage is avoided, and details are not repeated, lateral threaded rods 13 are fixedly connected to both sides of the bottom of the lower case 1 and both sides of the upper case 12, an adjusting ring 14 is slidably sleeved on a surface of the lateral threaded rods 13, a position can be transversely adjusted to change a distance, and then locking and positioning are performed to avoid interference, adaptability is high, adjustment use is facilitated, an adjusting threaded rod 15 is fixedly connected to a surface of one side of the adjusting ring 14, an adjusting plate 17 is slidably mounted on a surface of one end of the adjusting threaded rod 15 through an adjusting hole 16, surfaces of both ends of the adjusting plate 17 are slidably connected to a side surface of the lower case 1, one side fixed surface of regulating plate 17 is connected with V template 18, can form the clearance 2 that compresses tightly of different width, and then the filtration cardboard 21 of counterpointing different thickness is installed, adaptability is high, do benefit to the regulation and use, V template 18's both sides surface is formed with and is pressed clearance 2, filter cardboard 21 has been laid to the side that compresses tightly clearance 2, the surface of filtering cardboard 21 is laminated in V template 18's both sides surface, filter cardboard 21 buckles and forms ripple-shaped structure, can increase filter area and reduce and pass through pressure, improve the security when guaranteeing the filter effect, make things convenient for the aggregate erection to use.
Referring to fig. 1 and 2, a smooth angle 19 is arranged on one end surface of the V-shaped plate 18, the surface of the smooth angle 1 is tightly connected to one side surface of the filtering paper board 21, the filtering paper board 21 is tightly pressed by the smooth angle 19, so that the bending position can be smoothly passed, the bending positioning safety is ensured, through holes 22 are arranged on both side surfaces of the V-shaped plate 18, one side surface of each through hole 22 is positioned on one side surface of the filtering paper board 21, and through the arrangement of the through holes 22, the high-efficiency passing of a medium can be ensured, and the filtering efficiency is improved.
Referring to fig. 1, the adjusting screw rod 15 has fixing nuts 23 threaded on both ends, the fixing nuts 23 are clamped on both side surfaces of the adjusting plate 17, the adjusting plate 17 is clamped by the fixing nuts 23, the stability of height adjustment is ensured, and ladder arrangement is facilitated, the positioning nuts 24 are threaded on the surface of the transverse screw rod 13, the surface of the positioning nuts 24 is tightly pressed against both end surfaces of the adjusting ring 14, the adjusting ring 14 is tightly pressed by the positioning nuts 24, the stability of transverse adjustment is ensured, and it is beneficial to adapting to different thickness intervals, the surface of one end of the lower box 1 is fixedly provided with a feeding pipe 25, the surface of the feeding pipe 25 is located at one side position of the mounting plate 11, the feeding pipe 25 is installed on the lower box, feeding from the bottom, stable filtration is facilitated, and cleaning and maintenance are facilitated, the discharging pipe 26 is fixedly connected on one end surface of the upper box 12, discharging pipe 26 is located the top position of last box 1, through upper end installation discharging pipe 26, does benefit to the oil after the filtration and flows, and convenient connection is used, avoids interfering.
The method comprises the following steps:
s1, rotating the positioning nuts at the two ends of the adjusting ring to drive the adjusting ring to slide along the transverse threaded rod to adjust the relative position;
s2, adjusting positions of the adjusting plate and the V-shaped plate by adjusting the threaded rod to change the distance between the adjusting plate and the V-shaped plate, and further adjusting the width of the compression gap to adapt to filtering paper boards with different thicknesses;
s3, rotating the fixing nut to drive the adjusting plate to slide up and down along the adjusting thread, adjusting the relative height, and adjusting the V-shaped plates at different positions to different heights;
s4, keeping the middle V-shaped plate at the highest position, and sequentially reducing the heights of the V-shaped plates at the two sides to form a step arrangement structure and an inclined mounting plane;
s5, placing the filter paper board on the smooth corner of the V-shaped board, and pressing down along the pressing gap to form a corrugated structure;
s6, folding and installing the lower box body and the upper box body after the adjustment is finished, and pressing corrugated filter paper boards to position by two layers of staggered V-shaped plate structures to form an installation structure with a high middle part and low ends;
s7, integrally mounting the filter plate on an automobile, enabling the filter plate to enter a medium from a feeding pipe, filtering the medium by a filter paper plate, and discharging the filtered medium from a discharging pipe at the upper end to finish mounting.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A non-planar media transmission filter apparatus and method comprising a lower case (1), characterized by: the side fixedly connected with mounting panel (11) of box (1) down, the fixed surface of mounting panel (11) installs box (12), the equal fixedly connected with transverse threaded rod (13) in both sides of the bottom both sides of box (1) and last box (12) down, the surface slip of transverse threaded rod (13) has cup jointed adjustable ring (14), one side fixed surface of adjustable ring (14) is connected with adjusting threaded rod (15), there is regulating plate (17) on the one end surface of adjusting threaded rod (15) through regulation hole (16) slidable mounting, the both ends surface slidable connection of regulating plate (17) is in the side of box (1) down, one side fixed surface of regulating plate (17) is connected with V template (18), the both sides surface of V template (18) is formed with compresses tightly clearance (2), filter paper board (21) has been laid to the side that compresses tightly clearance (2), the surfaces of the filtering paper boards (21) are attached to the two side surfaces of the V-shaped plates (18), and the filtering paper boards (21) are bent to form a corrugated structure.
2. A non-planar media transmission filter assembly as defined in claim 1 wherein: one end surface of the V-shaped plate (18) is provided with a smooth angle (19), and the surface of the smooth angle (1) is tightly connected with one side surface of the filtering paperboard (21).
3. A non-planar media transmission filter assembly as defined in claim 1 wherein: the surface of both sides of V template (18) all is equipped with through-hole (22), one side surface of through-hole (22) is located one side surface of filtering cardboard (21).
4. A non-planar media transmission filter assembly as defined in claim 1 wherein: the both ends surface of adjusting threaded rod (15) is all threaded mounting has fixation nut (23), one side surface clamping of fixation nut (23) connects in the both sides surface of regulating plate (17).
5. A non-planar media transmission filter assembly as defined in claim 1 wherein: the surface of the transverse threaded rod (13) is provided with a positioning nut (24) in a threaded manner, and the surface of the positioning nut (24) is tightly connected with the surfaces of two ends of the adjusting ring (14).
6. A non-planar media transmission filter arrangement according to claim 5, wherein: the positioning nuts (24) are symmetrically distributed on two sides of the adjusting ring (14) and are connected in groups.
7. A non-planar media transmission filter assembly as defined in claim 1 wherein: the one end fixed surface of lower box (1) installs inlet pipe (25), the surface of inlet pipe (25) is located one side position of mounting panel (11).
8. A non-planar media transmission filter assembly as defined in claim 1 wherein: the surface of one end of the upper box body (12) is fixedly connected with a discharge pipe (26), and the discharge pipe (26) is located at the top of the upper box body (1).
9. A non-planar media transmission filter assembly as defined in claim 1 wherein: the adjusting rings (14) and the V-shaped plates (18) are distributed in the lower box body (1) and the upper box body (12) in an equidistant staggered mode and are arranged in a stepped structure in the left and right direction.
10. A method of providing a non-planar media transmission filter arrangement according to claim 1, wherein: the method comprises the following steps:
s1, rotating the positioning nuts at the two ends of the adjusting ring to drive the adjusting ring to slide along the transverse threaded rod to adjust the relative position;
s2, adjusting positions of the adjusting plate and the V-shaped plate by adjusting the threaded rod to change the distance between the adjusting plate and the V-shaped plate, and further adjusting the width of the compression gap to adapt to filtering paper boards with different thicknesses;
s3, rotating the fixing nut to drive the adjusting plate to slide up and down along the adjusting thread, adjusting the relative height, and adjusting the V-shaped plates at different positions to different heights;
s4, keeping the middle V-shaped plate at the highest position, and sequentially reducing the heights of the V-shaped plates at the two sides to form a step arrangement structure and an inclined mounting plane;
s5, placing the filter paper board on the smooth corner of the V-shaped board, and pressing down along the pressing gap to form a corrugated structure;
s6, folding and installing the lower box body and the upper box body after the adjustment is finished, and pressing corrugated filter paper boards to position by two layers of staggered V-shaped plate structures to form an installation structure with a high middle part and low ends;
s7, integrally mounting the filter plate on an automobile, enabling the filter plate to enter a medium from a feeding pipe, filtering the medium by a filter paper plate, and discharging the filtered medium from a discharging pipe at the upper end to finish mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063271.8A CN113694641B (en) | 2021-09-10 | 2021-09-10 | Non-planar medium gearbox filter device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063271.8A CN113694641B (en) | 2021-09-10 | 2021-09-10 | Non-planar medium gearbox filter device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113694641A true CN113694641A (en) | 2021-11-26 |
| CN113694641B CN113694641B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111063271.8A Active CN113694641B (en) | 2021-09-10 | 2021-09-10 | Non-planar medium gearbox filter device and method |
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| CN (1) | CN113694641B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5894046A (en) * | 1995-04-11 | 1999-04-13 | Daeyoung Packaging Co., Ltd. | Double-ply corrugated paperboard |
| CN102600685A (en) * | 2011-01-19 | 2012-07-25 | 康斐尔过滤设备(昆山)有限公司 | Improved structure of filter core of filter |
| CN204820463U (en) * | 2015-06-03 | 2015-12-02 | 立邦（福建）滤清器制造有限公司 | Filter forming die |
| CN107031125A (en) * | 2017-05-13 | 2017-08-11 | 蚌埠市雷泰滤清器设备有限公司 | Full-automatic filter dividing plate gluing paper folding production line |
| CN208440068U (en) * | 2018-06-10 | 2019-01-29 | 湖南波尔过滤技术有限公司 | A kind of filter core paper paper folding equipment |
| CN212838119U (en) * | 2020-07-09 | 2021-03-30 | 重庆渝源山汽车零配件股份有限公司 | High leakproofness filter core of removable filter screen |
| CN112658654A (en) * | 2020-12-14 | 2021-04-16 | 王鹏 | Manufacturing and processing technology of filter element of automobile filter |
-
2021
- 2021-09-10 CN CN202111063271.8A patent/CN113694641B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5894046A (en) * | 1995-04-11 | 1999-04-13 | Daeyoung Packaging Co., Ltd. | Double-ply corrugated paperboard |
| CN102600685A (en) * | 2011-01-19 | 2012-07-25 | 康斐尔过滤设备(昆山)有限公司 | Improved structure of filter core of filter |
| CN204820463U (en) * | 2015-06-03 | 2015-12-02 | 立邦（福建）滤清器制造有限公司 | Filter forming die |
| CN107031125A (en) * | 2017-05-13 | 2017-08-11 | 蚌埠市雷泰滤清器设备有限公司 | Full-automatic filter dividing plate gluing paper folding production line |
| CN208440068U (en) * | 2018-06-10 | 2019-01-29 | 湖南波尔过滤技术有限公司 | A kind of filter core paper paper folding equipment |
| CN212838119U (en) * | 2020-07-09 | 2021-03-30 | 重庆渝源山汽车零配件股份有限公司 | High leakproofness filter core of removable filter screen |
| CN112658654A (en) * | 2020-12-14 | 2021-04-16 | 王鹏 | Manufacturing and processing technology of filter element of automobile filter |
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| Publication number | Publication date |
|---|---|
| CN113694641B (en) | 2022-12-13 |
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