Lubricating oil filter
阅读说明：本技术 一种润滑油过滤器 (Lubricating oil filter ) 是由 吴承明 于 2020-04-26 设计创作，主要内容包括：本发明涉及供油设备技术领域,公开了一种润滑油过滤器,包括壳体和端盖,端盖与壳体螺纹连接,壳体上设有进油口与过滤腔连通,过滤腔内设有出油管道与出油口连通,进油口处设有防堵机构,端盖的下方卡接有第一密封圈,出油管道的顶端螺纹连接的密闭式环形连接件上设有安装槽,安装槽内卡接有第二密封圈,第一密封圈和第二密封圈之间分别夹持有第一滤网和第二滤网,连接件的空心处设有第三滤网,出油管道的拐角处设有伸缩杆,伸缩杆的末端固定安装有挡板,挡板的下方到伸缩杆的底端之间设有弹簧,端盖的顶部固定有微型振动电机,壳体底部为倒圆台型结构,设有开口螺纹连接有集污槽,集污槽的内部设有磁体。本发明过滤效果好,更换方便,集杂全面。(The invention relates to the technical field of oil supply equipment, and discloses a lubricating oil filter which comprises a shell and an end cover, wherein the end cover is in threaded connection with the shell, an oil inlet is formed in the shell and is communicated with a filter cavity, an oil outlet pipeline is arranged in the filter cavity and is communicated with an oil outlet, an anti-blocking mechanism is arranged at the oil inlet, a first sealing ring is clamped below the end cover, a mounting groove is formed in a closed annular connecting piece in threaded connection with the top end of the oil outlet pipeline, a second sealing ring is clamped in the mounting groove, a first filter screen and a second filter screen are respectively clamped between the first sealing ring and the second sealing ring, a third filter screen is arranged at the hollow part of the connecting piece, a telescopic rod is arranged at the corner of the oil outlet pipeline, a baffle is fixedly arranged at the tail end of the telescopic rod, a spring is arranged between, the sewage collecting tank is provided with an opening in threaded connection, and a magnet is arranged inside the sewage collecting tank. The invention has good filtering effect, convenient replacement and comprehensive impurity collection.)
1. The utility model provides a lubricating oil filter, includes casing (1) and end cover (5), end cover (5) and casing (1) threaded connection, be equipped with filter chamber (18) in casing (1), be equipped with oil inlet (2) and filter chamber (18) intercommunication on casing (1), be equipped with oil-out (3) on casing (1), be equipped with oil outlet pipeline (9) and oil-out (3) intercommunication, its characterized in that in filter chamber (18): the oil inlet (2) is provided with an anti-blocking mechanism (4), the lower part of the end cover (5) is clamped with a first sealing ring (6), the first sealing ring (6) is of a reversed-E-shaped bending structure, two sunken parts of the first sealing ring (6) respectively clamp the top ends of a first filter screen (13) and a second filter screen (14), the second filter screen (14) is located outside the first filter screen (13), the oil outlet pipeline (9) is of an L-shaped structure, the top end of the oil outlet pipeline (9) is in threaded connection with a closed annular connecting piece (7), the closed annular connecting piece (7) is provided with an E-shaped mounting groove (701), the mounting groove (701) is internally clamped with a second sealing ring (12), the second sealing ring (12) respectively clamps the bottom ends of the first filter screen (13) and the second filter screen (14), and a third filter screen (15) is arranged at the hollow part of the closed annular connecting piece, and third filter screen (15) are inside second filter screen (14), the corner of the oil outlet pipeline (9) of L type structure is equipped with telescopic link (8), and the flexible direction of telescopic link (8) is towards third filter screen (15), the terminal fixed mounting of telescopic link (8) has baffle (10), the below of baffle (10) is equipped with spring (11) to between the bottom of telescopic link (8), the intermediate position at the top of end cover (5) has miniature vibrating motor (19) through fastener fixed mounting, the bottom of rose chamber (18) of casing (1) is radius platform type structure, the bottom of casing (1) is equipped with opening and open position threaded connection and has dirty groove (16) of collection, the inside in dirty groove (16) of collection is equipped with magnet (17).
2. The lubricant filter of claim 1, wherein: the anti-blocking mechanism (4) comprises a rotating shaft (401) and blades (402), the rotating shaft (401) is rotatably connected with the side wall of an oil inlet (2) of the shell (1), a sealing mechanism (406) is arranged at the joint of the rotating shaft (401) and the outer wall of the shell (1), the blades (402) are fixedly installed on the side surface of the rotating shaft (401), and a driven gear (403) is arranged at the end part of the rotating shaft (401).
3. The lubricant filter of claim 2, wherein: the anti-blocking mechanism (4) further comprises a driving motor (405), the driving motor (405) is fixedly installed on the side wall of the shell (1), an output shaft of the driving motor (405) is connected with a driving gear (404), and the driving gear (404) is meshed with a driven gear (403).
4. The lubricant filter of claim 1, wherein: the aperture of the first filter screen (13) is larger than that of the second filter screen (14), and the aperture of the second filter screen (14) is larger than that of the third filter screen (15).
5. The lubricant filter of claim 1, wherein: the top of the end cover (5) is fixedly welded with a handle (501), and the handle (501) is positioned above the micro vibration motor (19).
6. The lubricant filter of claim 1, wherein: when the spring (11) is in a free state, the baffle (10) is positioned in the vertical section of the oil outlet pipeline (9) with the L-shaped structure, and the vertical section and the horizontal section of the oil outlet pipeline (9) are prevented from being communicated.
7. The lubricant filter of claim 6, wherein: the size of the baffle (10) is consistent with that of the inner opening of the vertical section of the oil outlet pipeline (9).
8. The lubricant filter of claim 1, wherein: the oil outlet (3) is higher than the oil inlet (2) 2.
9. The lubricant filter of claim 1, wherein: and a sealing gasket is arranged at the contact position of the sewage collecting groove (16) and the lower opening of the shell (1).
Technical Field
The invention relates to a filter, in particular to a lubricating oil filter, and belongs to the technical field of oil supply equipment.
Background
The lubricating oil used in the lubricating process must be pure and free of impurities, otherwise the lubricating oil can seriously harm machines, such as friction surface galling, seizure and blockage of lubricating channels, and the like, and therefore, a filtering device must be adopted to filter impurities suspended in the oil. In general, a filter device is separated by using various porous objects, a membrane, or a centrifugal force or the like by using density difference between oil and impurities. In a lubricating system, in order to protect the performance and the service life of various hydraulic equipment in the system, a filter is additionally arranged for filtering out pollutants in oil and ensuring the cleanliness of the oil.
The pollutants often contain some large-particle metal impurities, and in order to remove the impurities, a magnetic rod is arranged in the filter screen, but in this way, the accommodating space in the filter screen is inevitably reduced, so that the frequency of cleaning the filter screen is increased, and the filter screen is inconvenient to disassemble; in addition, large-particle impurities are easy to block a feed inlet sometimes, so that the working efficiency of the device is influenced; the filter screen is inconvenient to replace and high in cost due to the fact that the product adopts a structure such as a buckle totally-enclosed filter barrel; when the filter screen is replaced, part of unfiltered or filtered lubricating oil can enter the oil outlet from the oil outlet pipeline, so that the next-stage equipment can be influenced; after the filter screen is filtered, the position of the filter screen is possibly blocked by impurities, so that the filtering efficiency is influenced, and the efficiency of the device is influenced by frequently replacing and cleaning the filter screen; the lower part of the shell is of a horizontal structure, and impurities at certain corners are not easy to be adsorbed by the magnet in the dirt collecting groove.
Disclosure of Invention
It is an object of the present invention to provide a lube oil filter that solves the problems set forth in the background above.
In order to achieve the above purpose, the invention provides the following scheme:
a lubricating oil filter comprises a shell and an end cover, wherein the end cover is in threaded connection with the shell, a filter cavity is arranged in the shell, an oil inlet is formed in the shell and is communicated with the filter cavity, an oil outlet is formed in the shell, an oil outlet pipeline is arranged in the filter cavity and is communicated with the oil outlet, an anti-blocking mechanism is arranged at the oil inlet, a first sealing ring is clamped below the end cover, the first sealing ring is of an inverted-Chinese-character-shaped bending structure, the two sunken parts of the first sealing ring respectively clamp the top ends of a first filter screen and a second filter screen, the second filter screen is positioned outside the first filter screen, the oil outlet pipeline is of an L-shaped structure, the top end of the oil outlet pipeline is in threaded connection with a closed annular connecting piece, a Chinese-character-shaped mounting groove is formed in the closed annular connecting piece, a second, the utility model discloses a sewage treatment device, including sealed annular connecting piece, end cover, spring, fastener, filter chamber, end cover, sealed annular connecting piece's hollow department is equipped with the third filter screen, and the third filter screen is inside the second filter screen, the corner of the oil outlet pipe of L type structure is equipped with the telescopic link, and the flexible direction of telescopic link is towards the third filter screen, the terminal fixed mounting of telescopic link has the baffle, the below of baffle is equipped with the spring to between the bottom of telescopic link, the intermediate position at the top of end cover has miniature vibrating motor through fastener fixed mounting, the bottom of the filter chamber of casing is radius platform type structure, the bottom of casing is equipped with opening and open position.
Preferably, the anti-blocking mechanism comprises a rotating shaft and blades, the rotating shaft is rotatably connected with the side wall of the oil inlet of the shell, a sealing mechanism is arranged at the joint of the rotating shaft and the outer wall of the shell, the blades are fixedly arranged on the side surface of the rotating shaft, and a driven gear is arranged at the end part of the rotating shaft.
More preferably, the anti-blocking mechanism further comprises a driving motor, the driving motor is fixedly mounted on the side wall of the housing, an output shaft of the driving motor is connected with a driving gear, and the driving gear is meshed with the driven gear.
Preferably, the first filter screen has a larger pore size than the second filter screen, and the second filter screen has a larger pore size than the third filter screen.
Preferably, a handle is welded and fixed to the top of the end cover, and the handle is located above the micro vibration motor.
Preferably, when the spring is in a free state, the baffle is positioned in the vertical section of the oil outlet pipeline with the L-shaped structure to block the communication between the vertical section and the horizontal section of the oil outlet pipeline.
More preferably, the baffle has a size corresponding to the size of the inner opening of the vertical section of the flowline.
Preferably, the oil outlet is higher than the oil inlet.
Preferably, a sealing gasket is arranged at the contact position of the sewage collecting groove and the lower opening of the shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a lubricating oil filter, wherein a closed annular connecting piece is in threaded connection above an oil outlet channel, a first filter screen and a second filter screen are clamped between the closed annular connecting piece and the bottom of an end cover through a first sealing ring and a second sealing ring, and a third filter screen is arranged in the hollow part of the closed annular connecting piece, so that lubricating oil is filtered in three stages, the filter screens are convenient to replace while the filtering efficiency is ensured, and the cost is low and the efficiency is high.
2. The invention provides a lubricating oil filter, wherein an anti-blocking mechanism is arranged at an oil inlet, so that impurities at the oil inlet are dredged and primarily crushed, the oil inlet is prevented from being blocked, and the filtering efficiency is improved.
3. The invention provides a telescopic rod with a spring and a baffle plate arranged at the corner of an oil outlet channel of a lubricating oil filter, wherein when the spring is in a free state, the baffle plate is positioned in the vertical section of an oil outlet pipeline with an L-shaped structure to prevent the vertical section and the horizontal section of the oil outlet pipeline from being communicated, and redundant lubricating oil is prevented from entering a next-stage device when a filter screen is replaced.
4. The invention provides a lubricating oil filter, wherein a micro vibration motor is arranged on an end cover, and a filter screen can be driven to vibrate by opening the lubricating oil filter, so that blocked or attached substances are vibrated to fall into a dirt collection tank and are adsorbed by a magnet.
5. According to the lubricating oil filter provided by the invention, the bottom of the shell is designed to be of the inverted frustum structure, so that impurities at corners can slide down along the inner wall of the bottom of the filter cavity, the completeness of impurity collection is ensured, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged schematic view of point A of the present invention.
FIG. 3 is an enlarged schematic view of point B of the present invention.
FIG. 4 is an enlarged schematic view of point C of the present invention.
In the figure: 1. a housing; 2. an oil inlet; 3. an oil outlet; 4. an anti-blocking mechanism; 401. a rotating shaft; 402. a blade; 403. a driven gear; 404. a driving gear; 405. a drive motor; 406. a sealing mechanism; 5. an end cap; 501. a handle; 6. a first seal ring; 7. a closed annular connector; 701. mounting grooves; 8. a telescopic rod; 9. an oil outlet pipeline; 10. a baffle plate; 11. a spring; 12. a second seal ring; 13. a first filter screen; 14. a second filter screen; 15. a third filter screen; 16. a sewage collecting tank; 17. a magnet; 18. a filter chamber; 19. a miniature vibration motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a lubricating oil filter comprises a casing 1 and an end cover 5, wherein the end cover 5 is in threaded connection with the casing 1, a filter cavity 18 is arranged in the casing 1, an oil inlet 2 and the filter cavity 18 are arranged on the casing 1, an oil outlet 3 is arranged on the casing 1, an oil outlet pipeline 9 and the oil outlet 3 are arranged in the filter cavity 18, an anti-blocking mechanism 4 is arranged at the oil inlet 2, a first sealing ring 6 is clamped below the end cover 5, the first sealing ring 6 is of an inverted-chevron-shaped bent structure, the two concave parts of the first sealing ring 6 respectively clamp the top ends of a first filter screen 13 and a second filter screen 14, the second filter screen 14 is positioned outside the first filter screen 13, the oil outlet pipeline 9 is of an L-shaped structure, the top end of the oil outlet pipeline 9 is in threaded connection with a closed annular connecting piece 7, the closed annular connecting piece 7 is provided with a chevron, the utility model discloses a sewage treatment device, including mounting groove 701, second sealing washer 12 is the centre gripping respectively to the bottom of first filter screen 13 and second filter screen 14 in the mounting groove 701, the hollow department of sealed annular connecting piece is equipped with third filter screen 15, and third filter screen 15 is inside second filter screen 14, the corner of the oil outlet pipe 9 of L type structure is equipped with telescopic link 8, and telescopic link 8's flexible direction is towards third filter screen 15, the terminal fixed mounting of telescopic link 8 has baffle 10, be equipped with spring 11 between the below of baffle 10 to the bottom of telescopic link 8, the intermediate position at the top of end cover 5 has miniature vibrating motor 19 through fastener fixed mounting, the bottom of filter chamber 18 of casing 1 is radius platform type structure, and the convenient impurity that falls into the edge can fall into dirt collecting tank 16, the bottom of casing 1 is equipped with opening and open position threaded connection has dirt collecting tank 16, the inside of the dirt collection groove 16 is provided with a magnet 17.
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The working principle of the invention is as follows: when the lubricating oil starts to be conveyed, the lubricating oil enters the filter cavity 18 after being crushed by the anti-blocking mechanism 4 from the oil inlet 2, and sequentially passes through the first filter screen 13, the second traveling screen and the third traveling screen under the action of hydraulic pressure, the spring 11 is tightened by the pressure of the filtered lubricating oil, the telescopic rod 8 and the baffle 10 are driven to descend, the filtered lubricating oil enters the horizontal section of the oil outlet channel of the L-shaped structure and then enters next-stage equipment from the oil outlet 3, and the micro vibration motor 19 of the end cover 5 is intermittently started to vibrate and drop impurities on the filter screen; when lubricating oil stopped to carry, hydraulic pressure descends, spring 11 resumes natural state, telescopic link 8 takes baffle 10 to rise, the horizontal segment and the vertical segment that make the passageway of producing oil do not communicate with each other, unnecessary lubricating oil can not get into next stage equipment, at this moment can break away from closed annular connecting piece 7 from the upper end of passageway of producing oil by handle 501 on the knob end cover 5, and change the filter screen, the lower extreme all is by first sealing washer 6 and second sealing washer 12 centre gripping respectively about first filter screen 13 and the second filter screen 14, convenient change, impurity also can be got rid of through the collection of dirty groove 16 collection.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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