CN211753054U - Installation guide structure of filter element end cover - Google Patents
Installation guide structure of filter element end cover Download PDFInfo
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- CN211753054U CN211753054U CN201922049856.9U CN201922049856U CN211753054U CN 211753054 U CN211753054 U CN 211753054U CN 201922049856 U CN201922049856 U CN 201922049856U CN 211753054 U CN211753054 U CN 211753054U
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Abstract
An object of the utility model is to provide an installation guide structure of filter core end cover, including installing in the annular lid of the ring of filter core lower extreme and rotator: the rotating body is sleeved on the cover body and at least comprises a first base ring which is abutted against the cover body and a first guide driving part which is arranged on the inner wall of the first base ring and points downwards, and the rotating body can rotate relative to the cover body under the action of the first guide driving part; the first guide oil return plug is a ridge extending along the axial direction; the first guide oil return plug moves downwards and contacts the guide ring, the first guide oil return plug continues to move downwards along the surfaces of the two guide rings which are combined to form a surrounding structure, the rotating body rotates along with the first guide oil return plug, and the first guide oil return plug is clamped into the rotating body and does not move downwards along the direction of the rotating body after rotating to the positioning groove. The installation guide structure can realize the installation positioning guide function when the filter element is installed by a simple structure, has simple structure and convenient production, and can be conveniently installed on the traditional filter element with the existing model for use.
Description
Technical Field
The utility model relates to a fluid filter technical field especially relates to an installation guide structure of filter core end cover.
Background
The filter element separates solid particles in liquid or gas or makes different material components fully contact, so that the reaction time is shortened, the normal work of equipment or the cleanness of air can be protected, when fluid enters the filter element with a filter screen with a certain specification, impurities are blocked, and clean fluid flows out through the filter element. The liquid filter element makes the liquid (including oil, water, etc.) clean the polluted liquid to the state required by production and life, namely, the liquid reaches a certain cleanliness.
The filter element is generally installed in a filter casing which is positioned in a fluid passage and can isolate the external environment for working, and in order to stabilize the working effect and open a safety valve and a valve which are closed for replacing the filter element in the fluid passage through the filter element structure during working, corresponding matching structures (such as key matching, guide rail sliding block matching and the like) are generally arranged on the filter casing and the filter element to realize the guiding positioning during installation and push the safety valve and the valve open. In the existing installation process, an installer is required to manually insert the filter element into the filter housing and adjust the position of the filter element without visual field to try to align the mating structure, resulting in troublesome installation and low efficiency. Meanwhile, the filter element partially adopting the spiral track type automatic guiding function has a complex structure and high production cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an installation guide structure of filter core end cover for solve the problem that exists among the prior art, installation location direction function when installing can be realized realizing the filter core through simple structure to the installation guide structure of this filter core end cover, its simple structure, the production of being convenient for simultaneously can conveniently install to having the traditional filter core of model on use simultaneously.
To realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides an installation guide structure of filter core end cover, still includes including installing in the annular lid of the ring shape of filter core lower extreme:
rotating body: the rotating body is sleeved on the cover body and at least comprises a first base ring which is abutted against the cover body and a first guide oil return plug which is arranged on the inner wall of the first base ring and points downwards, and the rotating body can rotate relative to the cover body under the action of the first guide oil return plug;
the first guide oil return plug is a ridge extending along the axial direction;
the middle oil passage column for the filter shell to pass through oil is positioned, the wall surface of the oil passage column is integrally formed with two guide rings in a spiral surrounding structure, the two guide rings are symmetrically arranged, a space is arranged between the lower side end parts of the two guide rings, and the wall surface of the two guide rings extends downwards along the space to form a positioning groove.
As the utility model discloses a preferred, still include the mount pad: the rotating body is sleeved on the mounting seat, the mounting seat is in sealed connection with the rotating body and at least comprises a second base ring in sealed connection with the rotating body and an oil return hole positioned on the side face of the second base ring; the rotating body further comprises an oil return plug, the oil return plug is connected to the outer circumference of the first base ring, and the oil return plug is inserted into the oil return hole.
As the utility model discloses a preferred, the oil return stopper include with first base ring body coupling's base member with install in the movable body that base member tip and along its axis direction are movable, the periphery of movable body with oil return hole inner wall sealing contact.
As the utility model discloses a preferred, the oil gallery with the oil return stopper passes through sealing washer sealing connection.
Preferably, the rotating body further comprises a first shoulder portion surrounding the inner circumference of the first base ring, and the first shoulder portion is abutted against the upper end of the first guiding oil return plug.
As the utility model discloses a preferentially, inwards extend on the first shoulder has the portion of stopping, still exist between rotator and mount pad cup joint in supporting ring in the rotator, the supporting ring lower extreme with the mount pad is stopped to, its upper end extend have with the second shoulder that first shoulder was stopped to, the supporting ring wall be equipped with first direction return oil plug connects the first groove and with the second groove that the portion of stopping is connected.
Preferably, the rotating body further comprises an extension ring extending upwards from the first base ring, the extension ring is gradually larger than the upward diameter of the joint of the first base ring, and the upper end of the extension ring is provided with a connecting portion.
As the utility model discloses a preferred, lid inner ring edge upwards extends has first sealing, it is equipped with the second sealing to extend the ring lateral surface, first sealing with second sealing connection.
Preferably, the first sealing portion extends to a position where the connecting portion abuts against/engages with the upper end of the first sealing portion.
As the utility model discloses a preferred, the lid lower surface is equipped with the closed ring of two at least settings, the rotator still include by the annular shoulder of outside extension of first base ring side, the closed ring ends with the annular shoulder and supports.
The beneficial effects of the utility model reside in that: the structure that the rotating body and the mounting seat are sleeved layer by layer and other structures of the rotating body and the mounting seat can respectively realize a more convenient guiding and positioning function during the installation of the filter element and an opening function for a valve or a safety of a filtering passage; the rotary body and the mounting seat can rotate freely relative to the filter element, so that the rotary positioning and the opening of the safety and the valve can be automatically realized without adjusting the filter element so as to further improve the mounting convenience; the end cover has simple integral structure and small volume, can be arranged on the common filter element with the existing model, is convenient to install and saves the production cost; the guide loading speed and the stability during supporting can be further improved by adding the supporting ring again; through the design of oil return plug, can effectively reduce the scheduling problem that splashes of fluid when the filter core dismouting.
Drawings
Fig. 1 is a schematic bottom view of a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a filter cartridge according to an embodiment of the present invention;
FIG. 3 is a schematic view of a fitting structure installed in a filter according to an embodiment of the present invention;
FIG. 4 is a schematic sectional view of the second embodiment of the present invention with a filter element connected thereto;
FIG. 5 is a schematic sectional view of the embodiment of the present invention with a filter element connected thereto;
fig. 6 is a schematic structural view illustrating a connection between a rotator and a mounting base in a third embodiment of the present invention;
fig. 7 is a schematic structural view of an oil return plug in the third embodiment of the present invention;
the items in the figure are respectively: the sealing structure comprises a cover body 1, a first sealing part 11, a closed ring 12, a rotating body 2, a first base ring 21, a first guide oil return plug 22, an oil return plug 23, a 231 basal body, a 232 movable body, a first shoulder 24, a butting part 241, an extension ring 25, a connecting part 251, a second sealing part 252, a ring shoulder 26, a mounting seat 3, a second base ring 31, an oil return hole 33, a sealing ring 331, a supporting ring 4, a second shoulder 41, a first groove 42, a second groove 43, a oil passage column 5, a guide ring 51 and a positioning groove 52.
Detailed Description
The present invention is described in detail below with reference to the attached drawings:
example one
As shown in fig. 1, 2 and 3, the installation guide structure of a filter element end cover includes a cover body 1 which is installed at the bottom of a filter element in a circular ring shape and is used as a lower end cover, and further includes: injection-molded rotary body 2: the rotating body 2 is concentrically sleeved inside the cover body 1, and includes a first base ring 21 abutting against the cover body 1 and a first guiding oil return plug 22 integrally arranged on the inner wall of the first base ring 21 and pointing downward. Further comprising: the mounting seat 3 fixedly mounted at the bottom in the filter housing: the mounting base 3 in this embodiment is sleeved concentrically (in other preferred embodiments, the mounting base 3 and the driving ring 12 may be arranged eccentrically as long as they can rotate relatively structurally), and when the mounting base is mounted on the outer side of the rotating body 2, the mounting base 3 is sleeved on the outer side of the rotating body 2 in a sealing manner by rotating the filter element, so as to achieve sealing connection. In this embodiment, the mounting base 3 further includes an oil return hole 33 extending outward from the second base ring 31 and sleeved outside the oil return plug 23.
Referring to fig. 3, the operation of the present invention during installation is as follows (for the convenience of viewing, the cover 1 and other parts of the filter element are hidden): the middle oil passage column 5 is used for oil passing through the filter housing, guide rings 51 in a spiral surrounding structure are integrally formed on the wall surface of the oil passage column 5, the two guide rings 51 are symmetrically arranged in the embodiment, and a space is formed between the lower end parts of the two guide rings 51 and extends downwards along the space to form a wall surface to form a positioning groove 52. When the filter element with the installation guide structure is installed, an installer only needs to enable an inner hole of the filter element to be sleeved outside the center column and insert the filter element into the filter shell, the first guide oil return plug 22 moves downwards and contacts the guide ring 51, the downward pushing force of the installer enables the first guide oil return plug 22 to continuously move downwards along the surface of the two guide rings 51 which are combined to form the surrounding structure (namely the rotating body 2 rotates along with the first guide oil return plug), the first guide oil return plug is clamped into the first guide oil return plug after rotating to the positioning groove 52 and moves downwards along the direction without rotating, the positions of the oil return plug on the rotating body and the like are ensured to be determined, and the first guide oil return plug can be conveniently inserted downwards into the corresponding positions on devices such as the filter shell and. Therefore, the process that an installer rotates the filter element to align when the existing filter element is installed is omitted, the installation efficiency is improved, and the probability of wrong installation and other problems is reduced.
In this embodiment, the first pilot oil return plug 22 is a ridge extending in the axial direction.
In this embodiment, the rotating body 2 further includes an oil return plug 23, which is integrally connected to the outer circumference of the first base ring 21 in this embodiment, and is inserted into an oil return hole 33 located on the mounting base 3, and meanwhile, the oil return hole 33 is used for discharging oil when replacing the filter element, thereby avoiding the problem that the replacement operation with oil causes possible throwing and polluting the working environment, the oil return plug 23 is also inserted into the oil return hole 33 after the filter element is inserted, so as to seal the oil return plug, so that the oil can be stored in the filter, thereby realizing the filtering operation, and when the filter element is removed, the oil return plug 23 is pulled out along with the filter element to leave the oil return hole 33, thereby opening the passage of the oil return hole 33 and making the oil return hole leak the oil to the oil tank. The oil return plug 23 can achieve a stable opening effect after being accurately positioned and mounted by the rotating body 2 and the mounting seat 3, and meanwhile, the end part of the oil return plug 23 is in a truncated cone shape (in other preferred embodiments, the end part of the oil return plug can also be in a cone shape or other structures capable of guiding), and a more efficient guiding and sealing effect can be achieved through the conical surface of the truncated cone shape.
In this embodiment, the oil return hole 33 and the oil return plug 23 are hermetically connected by the sealing ring 331, so that on one hand, leakage of fluid in the valve/safety valve opened to the oil return plug 23 is realized, and on the other hand, the connection stability between the rotating body 2 and the mounting seat 3 is improved by the elastic force and the elastic force generated by the pressing of the sealing ring 331, thereby preventing the problems of falling off and the like when the rotating body is inserted downward.
In this embodiment, the rotating body 2 further includes a first shoulder 24 disposed around the inner circumference of the first base ring 21, the first shoulder 24 is stopped against the upper end of the first guiding oil return plug 22, and the first shoulder 24 has a thickness that the first base ring 21 extends inward and is smaller than the thickness of the first guiding oil return plug 22, in this embodiment, it is preferable that the first shoulder 24 and the outer diameter of the guiding ring 51 of the oil passage column 5 just form a sleeved relationship, and this arrangement makes it possible to provide a reinforcing rib or other structure for controlling the oil passage, which has a thickness smaller than the first shoulder 24, on the inner wall surface of the first base ring 21, without affecting the matching between the first guiding oil return plug 22 and the positioning groove 52 (only the first guiding oil return plug 22 is thicker than the first shoulder 22 and can be inserted into the positioning groove 52), thereby providing a setting space for other functions and structures and reducing the risk of incorrect installation.
In this embodiment, the rotating body 2 further includes an extending ring 25 extending upward from the first base ring 21, the extending ring 25 is of a diameter gradually larger than the upward connection of the first base ring 21, please refer to fig. 2, the extending ring 25 is of a state of connecting with the central tube inserted into the filter element when the end cap is installed in the filter element, the diameter gradually increases to effectively prevent the elastic clip in the central tube of the filter element from abutting and falling off, and meanwhile, the stable installation of the end cap on the filter element can be realized only by simple inserting action, so that the end cap can be applied to the common filter element of the existing model for installation without structural change, thereby having good production economy and convenience.
In this embodiment, the upper end of the extension ring 25 is integrally formed with a connecting portion 251 protruding to the side surface thereof and having a hook shape, referring to fig. 2, when the extension ring is mounted to the center post of the filter element, the connecting portion 251 is just clipped on the ring body of the center post in the hook shape to form a further stable connection effect.
In this embodiment, a first sealing portion 11 with a gradually tapering horn shape extends upward from the inner ring edge of the cover body 1, a second sealing portion 252 with a horizontally extending ring shape is disposed on the outer side surface of the extending ring 25, the first sealing portion 11 and the second sealing portion 252 are mutually abutted by a structure to form a sealing connection, and a V-shaped sealing ring is disposed between them to prevent leakage of the filtered fluid.
In this embodiment, the lower surface of the cover body 1 is integrally formed with two concentrically arranged ridge-shaped driving rings 12, the rotating body 2 further includes a ring shoulder 26 extending outward from the side surface of the first base ring 21, the driving ring 12 abuts against the ring shoulder 26 so as to reduce the contact friction between them, so that the rotating body 2 and the mounting seat 3 can conveniently and smoothly rotate, and the sealing and leakage-proof effects are ensured by the structure of the multi-layer driving ring 12.
Example two
The technical solution described in the second embodiment is similar to that of the first embodiment, and the difference is that:
referring to fig. 4, in the present embodiment, the upper end of the connecting portion extending ring 25 is integrally formed with a connecting portion 251 protruding toward the side surface thereof and having a hook shape. Meanwhile, the inner ring edge of the cover body 1 extends upwards to form a first sealing part 11 with a gradually-reduced trumpet shape, the outer side surface of the extension ring 25 is provided with a second sealing part 252 with a horizontally-extending annular shape, the first sealing part 11 and the second sealing part 252 are mutually abutted through structures to form sealing connection, and a V-shaped sealing element is arranged between the first sealing part 11 and the second sealing part 252 to prevent leakage of filtered fluid. The upper end of the first sealing portion 11 extends to abut against the bottom surface of the connecting portion 251 (in other preferred embodiments, other structures may be used to form an abutment or a snap-fit between the connecting portion 251 and the first sealing portion 11). Therefore, after the two are installed, a structure similar to a labyrinth seal with better sealing effect can be formed.
Meanwhile, the central column of the filter element in the embodiment is tapered at the end cover of the filter element, and when the filter element is installed to the filter element, the outer side surface of the first sealing part 11 just abuts against the ring body of the central column to form a stable connection effect. This structure with the impermanent fixed connection of center post has also brought the effect of convenient dismouting simultaneously, and when the dimension of carrying out the filter core was protected and is changed, the filter core end cover of this application can be convenient pull down the recovery and recycle, reduce use cost.
EXAMPLE III
The technical solution described in the third embodiment is similar to that of the second embodiment, and the difference is that:
as shown in fig. 5, 6, and 7, the oil return plug 23 in this embodiment is of a split design, and includes a base 231 integrally connected to the first base ring 21, and a movable body 232 mounted on an end of the base 231 in a snap-fit manner and movable along an axial direction thereof, wherein an outer periphery of the movable body 232 is of a circumferential umbrella shape, and is in sealing contact with an inner wall of the oil return hole 33 through a larger diameter thereof and an elastic action of the umbrella shape. When the oil return hole 33 is inserted, the edge of the movable body 232 is compressed and elastically deformed by the oil return hole 33, so that sealing is achieved and the friction force caused by the elastic deformation stops in the oil return hole 33, and meanwhile, the base 231 is continuously inserted until the rotating body 2 abuts against the mounting seat 3 because of radial movement between the base 231 and the movable body 232, which achieves the same function as the oil return plug 23 in the first embodiment. When the filter element is replaced in vehicle maintenance, the action of pulling out the filter element is just started, the base 231 which is integrally and rigidly connected with the filter element body is pulled up, at the moment, the movable body 232 does not act because of relative movement and friction until the action range of pulling out the filter element is larger than the relative movement range between the base 231 and the movable body 232, namely, the action of pulling out is in two-section pulling out through the movable body 232 at the position and has slow stagnation action interval in the middle, the action interval ensures that oil possibly remained at the position of the oil return plug 23 has time to flow out to the outside during operation, the problem of throwing the oil out (causing pollution to working environment) when being directly pulled out is reduced, the action is the effect naturally brought by the structure, the training time for the oil to flow out by a worker without pulling out the filter element in half specially is not needed, and the cost of the worker is reduced, the possibility of throwing oil by misoperation is eliminated.
Meanwhile, in this embodiment, the rotating body 2 further includes a first shoulder 24 disposed around the inner circumference of the first base ring 21, the first shoulder 24 abuts against the upper end of the first guiding oil return plug 22, a stopping portion 241 extends inwards from the first shoulder 24, the stopping portion 241 is used for realizing downward positioning and stopping and is used for pressing the supporting ring 4 downwards to open the oil passage below the oil passage column 5, and the stopping portion 241 includes two types: the shorter one is used for positioning and stopping and the longer one is used for pressing the supporting ring 4. A supporting ring 4 sleeved in the rotating body 2 is further arranged between the rotating body 2 and the mounting seat 3, the supporting ring 4 is normally placed in the mounting seat 3 and is in a compressible suspension type through a small spring, the lower end of the supporting ring can be abutted to the mounting seat 3 after the spring is compressed (the spring is used for bouncing up and closing the oil liquid passage below the mounting seat to prevent leakage after a filter element is detached), the upper end of the supporting ring extends to form a second shoulder 41 abutted to the first shoulder 24, and the wall surface of the supporting ring 4 is provided with a first groove 42 which is connected with a longer abutting part 241, is provided with a guide inclined surface and is provided with a square notch at the bottom of the guide inclined surface, and a second groove 43 which is connected with the shorter abutting part 241 and is in a horizontal notch structure. When the filter element is installed, the rotating body 2 is placed downwards into the filter housing and is finally contacted with the supporting ring 4 downwards, the wall surfaces of the rotating body 2 and the supporting ring 4 are in a sleeving structure, at this time, the longer abutting part 241 can be contacted with the guiding inclined surface of the first groove 42 downwards and further pushes the supporting ring 4 to rotate (the rotating body 2 where the abutting part 241 is located cannot rotate due to the matching of the first guiding oil return plug 22 and the positioning groove 52) and can be guided to continuously descend and rotate to press open the baffle of the lower oil passage, after the longer abutting part 241 is downwards clamped into the square notch of the first groove 42, the shorter abutting part 241 is also just clamped into the second groove 43 and abutted against the second groove 43 (the correspondence between the first and second grooves is realized through parameter setting), and meanwhile, the first shoulder 24 is also abutted against the second shoulder 41, so that a good fixing and supporting effect after installation is achieved.
The above embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the various modifications and improvements made by the ordinary person in the art without departing from the design concept of the present invention all fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides an installation guide structure of filter core end cover, is including installing lid (1) of the ring shape of filter core lower extreme, its characterized in that still includes:
rotating body (2): the rotating body (2) is sleeved on the cover body (1) and at least comprises a first base ring (21) which is abutted against the cover body (1) and a first guide oil return plug (22) which is arranged on the inner wall of the first base ring (21) and points downwards, and the rotating body (2) can rotate relative to the cover body (1) under the action of the first guide oil return plug (22);
the first guide oil return plug (22) is a ridge extending along the axial direction;
the middle part is an oil passage column (5) used for oil passing of the filter shell, the wall surface of the oil passage column is integrally formed with two guide rings (51) in a spiral surrounding structure, the two guide rings (51) are symmetrically arranged, a space is arranged between the lower end parts of the two guide rings (51) and extends downwards along the space to form a positioning groove (52), when the filter element with the installation guide structure is installed, an installer only needs to enable an inner hole of the filter element to be sleeved on the outer side of the center column and insert the filter element into the filter shell, the first guide oil return plug (22) moves downwards and contacts with the guide ring (51), the pushing force of the installer enables the first guide oil return plug (22) to continuously move downwards along the surfaces of the two guide rings (51) which are combined to form the surrounding structure, and the rotating body (2) also rotates along with the first guide oil return plug, after rotating to the positioning groove (52), the first guide oil return plug is clamped in the positioning groove and moves downwards along the direction without rotating.
2. A filter cartridge end cap mounting guide structure according to claim 1, further comprising a mounting seat (3): the rotating body is sleeved on the mounting seat (3), the mounting seat (3) is in sealed connection with the rotating body (2), and the mounting seat at least comprises a second base ring (31) in sealed connection with the rotating body (2) and an oil return hole (33) located on the side face of the second base ring (31); the rotating body (2) further comprises an oil return plug (23), the oil return plug (23) is connected to the outer circumference of the first base ring (21), and the oil return plug (23) is inserted into the oil return hole (33).
3. A filter element end cap mounting guide structure according to claim 2, wherein the oil return plug (23) comprises a base body (231) integrally connected with the first base ring (21) and a movable body (232) mounted at an end of the base body (231) and movable along an axial direction thereof, and an outer periphery of the movable body (232) is in sealing contact with an inner wall of the oil return hole (33).
4. A filter element end cap installation guide structure according to claim 2, wherein the oil return hole (33) and the oil return plug (23) are hermetically connected by a seal ring (331).
5. A filter cartridge end cap assembly guide according to claim 1, wherein the rotary body (2) further comprises a first shoulder (24) circumferentially disposed on the inner circumference of the first base ring (21), the first shoulder (24) abutting against the upper end of the first guide oil return plug (22).
6. The mounting guide structure of a filter element end cover according to claim 5, wherein the first shoulder (24) extends inwards to form a stop portion (241), a support ring (4) sleeved in the rotary body (2) is further arranged between the rotary body (2) and the mounting seat (3), the lower end of the support ring (4) is stopped against the mounting seat (3), the upper end of the support ring extends to form a second shoulder (41) stopped against the first shoulder (24), and a first groove (42) connected with the first guide oil return plug (22) and a second groove (43) connected with the stop portion (241) are formed in the wall surface of the support ring (4).
7. A filter cartridge end cap mounting guide structure according to claim 1, wherein the rotary body (2) further comprises an extension ring (25) extending upward from the first base ring (21), the extension ring (25) has a gradually increasing diameter upward from the connection with the first base ring (21), and the upper end of the extension ring (25) is provided with a connecting portion (251).
8. The filter element end cover installation guide structure according to claim 7, wherein a first sealing portion (11) extends upwards from the inner ring edge of the cover body (1), a second sealing portion (252) is arranged on the outer side surface of the extension ring (25), and the first sealing portion (11) is connected with the second sealing portion (252) in a sealing mode.
9. A filter element end cap assembly guide according to claim 8, wherein the first sealing portion (11) extends to stop/snap with the connecting portion (251).
10. A filter cartridge end cap mounting guide structure according to claim 1, wherein the lower surface of the cover body (1) is provided with at least two closed rings (12), the rotating body (2) further comprises a ring shoulder (26) extending outwards from the side of the first base ring (21), and the closed rings (12) are stopped against the ring shoulder (26).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922049856.9U CN211753054U (en) | 2019-11-25 | 2019-11-25 | Installation guide structure of filter element end cover |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922049856.9U CN211753054U (en) | 2019-11-25 | 2019-11-25 | Installation guide structure of filter element end cover |
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| CN211753054U true CN211753054U (en) | 2020-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772873A (en) * | 2019-11-25 | 2020-02-11 | 浙江威泰汽配有限公司 | Installation guide structure of filter element end cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772873A (en) * | 2019-11-25 | 2020-02-11 | 浙江威泰汽配有限公司 | Installation guide structure of filter element end cover |
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Effective date of registration: 20201217 Address after: No. 2599, development avenue, Taihu street, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang lain Filtration System Co.,Ltd. Address before: No.111 Nangao Road, Changxing Economic Development Zone, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG WEITAI AUTOMOBILE PARTS Co.,Ltd. |