CN217645946U

CN217645946U - Oil return filter

Info

Publication number: CN217645946U
Application number: CN202221902237.5U
Authority: CN
Inventors: 刘庆; 孔艳; 孔明英; 曹帅
Original assignee: Changsha Collins Hydraulic Technology Co ltd
Current assignee: Changsha Collins Hydraulic Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-10-25
Anticipated expiration: 2032-07-22

Abstract

The utility model relates to an oil return filter, the one end fixedly connected with of installation section of thick bamboo is used for installing this device integral erection on machinery the mounting panel, the sealed oil pipe head that wears to be equipped with in one side of cartridge filter one end, the sealed oil pipe head that wears to be equipped with of opposite side of cartridge filter one end, oil pipe head and the mutual symmetry of oil pipe head of arranging, the J-shaped draw-in groove of cooperation oil pipe head and oil pipe head joint is all seted up to the other end both sides of installation section of thick bamboo, the seal receptacle is installed in the tip butt joint of cartridge filter, and the seal receptacle is butt joint with the cartridge filter through first pipe box, the middle part cover of cartridge filter is equipped with the filter screen section of thick bamboo, the axle center department of filter screen section of thick bamboo is provided with the second transfer line, the periphery fixedly connected with a plurality of second transfer line is the clearance pole of ring array evenly distributed, push away spring atress compression top and push away the cartridge filter, cooperation J-shaped draw-in groove installs the cartridge filter in the installation section of thick bamboo steadily, wash the inside of cartridge filter fast under the condition of not opening the cartridge filter.

Description

Oil return filter

Technical Field

The utility model relates to an oil filtration technology field, concretely relates to oil return filter.

Background

The oil return filter is mainly arranged on an oil return pipeline of the hydraulic system, and is used for filtering oil liquid in the oil return tank, filtering pollutants such as metal particles, rubber impurities and the like contained in the returned oil liquid, and keeping the oil liquid flowing back to the oil tank clean.

The patent document with the publication number of CN212429416U discloses an oil return filter, the inside filter core that sets up of barrel, form the oil feed chamber that is located the inside filter core and be located the oil outlet chamber between filter core and the barrel, a plurality of through-holes are seted up to the outer peripheral face of barrel, form the oil-out, the oil-out leads to the oil outlet chamber, the upper end opening of barrel, form the oil inlet, the oil inlet switches on the oil feed chamber, the oil inlet is the same with the arrangement direction of filter core, the beneficial effect of the above-mentioned patent is, fluid gets into the oil outlet chamber from the oil inlet and need not pass through the direction conversion, need not add corresponding conversion between oil inlet and oil outlet chamber, adapting unit, the overall structure of filter has been simplified, the installation degree of difficulty has been reduced, thereby spare part cost and installation cost have been reduced.

The device has the following defects that the device cannot be rapidly assembled and cannot be conveniently installed and replaced when in use, the working efficiency of the filtering component in the device can be reduced along with continuous use, the tightness of the device during use is insufficient, the device cannot bear large pressure, and the device cannot be rapidly replaced and maintained.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the problem that exists with not enough above-mentioned, provide an oil return filter, promoted holistic work efficiency.

The utility model solves the technical problems that:

(1) The device can not be assembled quickly in use and can not be installed and replaced conveniently, so that the working efficiency of the filtering component in the device is reduced along with continuous use;

(2) The sealing performance of the device assembled when in use is not enough, and the device can not bear larger pressure and can not be replaced and maintained quickly.

The purpose of the utility model can be realized by the following technical scheme: oil return filter, including cartridge filter and installation section of thick bamboo, the cartridge filter activity cup joints in the installation section of thick bamboo, the one end fixedly connected with of installation section of thick bamboo is used for being used for the mounting panel of this device monolithic mount to machinery, the sealed oil pipe head that wears to be equipped with in one side of cartridge filter one end, the sealed oil pipe head that wears to be equipped with of opposite side of cartridge filter one end, oil pipe head and the oil pipe head mutual symmetry of arranging, the J-shaped draw-in groove of cooperation oil pipe head and the oil pipe head joint is all seted up to the other end both sides of installation section of thick bamboo, the seal receptacle is installed in the butt joint of the tip of cartridge filter, and the seal receptacle is through first pipe box and cartridge filter butt joint, the middle part cover of cartridge filter is equipped with the screen section of thick bamboo, the axle center department of screen section of thick bamboo is provided with the second transfer line, the periphery fixedly connected with a plurality of second transfer line is the clearance pole that annular array evenly distributed.

Preferably, the end part of the oil inlet pipe head is flush with the inner side wall of the filter cylinder, the end part of the oil outlet pipe head extends into the filter screen cylinder through the mounting block, and one end of the filter screen cylinder is provided with a groove matched with the mounting block.

Preferably, one side of the mounting plate is fixedly connected with a pushing spring in the mounting cylinder, and the other end of the pushing spring is abutted with the outer surface of one end of the filter cylinder.

Preferably, the sealing seat is close to the middle part of the outer surface of one end of the filter screen cylinder and is provided with a trash discharging groove, one side of the trash discharging groove is of an arc-shaped concave surface structure, the other side of the trash discharging groove is a thread groove, and the trash discharging groove is sleeved with a sealing bolt through threads of the thread groove.

Preferably, the transmission chamber has been seted up at the inboard middle part of seal receptacle, and the one end of second transfer line runs through the seal receptacle and stretches into the transmission intracavity, and the inside of seal receptacle just is located one side in transmission chamber and has seted up sealed chamber, and wears to be equipped with first transfer line in the sealed chamber.

Preferably, both ends of the first transmission rod penetrate through the sealing seat and are rotatably connected with the sealing seat, one end of the first transmission rod extends into the transmission cavity, one end of the first transmission rod and one end of the second transmission rod are fixedly sleeved with transmission fluted discs, and the two transmission fluted discs are in meshing transmission.

Preferably, the other end fixedly connected with runner of first transfer line, the middle part of first transfer line just is located the sealed intracavity and keeps sealed through the oil blanket circle, and the oil blanket circle is provided with a plurality of and is equidistance evenly distributed.

Preferably, the periphery of the other end of the filter cartridge is fixedly sleeved with a first sealing ring, the periphery of the first sealing ring is fixedly connected with a second pipe sleeve in threaded sleeve connection with the first pipe sleeve, and the periphery of the sealing seat close to one end of the filter cartridge is fixedly sleeved with a second sealing ring.

Preferably, its characterized in that, the second sealing ring corresponds the joint with first sealing ring, and the seal receptacle passes through the collar and is connected with first pipe box rotation, and the seal receptacle cup joints with the collar is fixed.

Preferably, the cross-section of first sealing ring and second sealing ring all is L shape, and the ring channel has all been seted up to the inner periphery of first sealing ring and the periphery of second sealing ring, and the sealing rubber ring is all installed to the tip that the seal receptacle pushed away the cartridge filter in the ring channel and.

The beneficial effects of the utility model are that:

(1) Through J-shaped clamping grooves and pushing springs, when a filter cartridge extends into an installation cylinder, an oil inlet pipe head and an oil outlet pipe head are respectively clamped with the J-shaped clamping grooves on two sides, the pushing springs are stressed to compress and push the filter cartridge, the filter cartridge is stably installed in the installation cylinder by matching with the J-shaped clamping grooves, the quick replacement and stable installation of the filter cartridge are facilitated, the end part of a sealing seat is butted with the filter cartridge through a sealing rubber ring and keeps sealed, meanwhile, the first sealing ring and the second sealing ring are butted, the contact surface of the first sealing ring and the second sealing ring is kept sealed through the sealing rubber ring to form a multi-sealing structure, the sealing performance of the sealing seat and the filter cartridge is ensured, the oil is prevented from permeating from gaps during filtering, the first pipe sleeve is rotated simultaneously, and the stable sealing of each sealing rubber ring and the stable installation between the sealing seat and the filter cartridge are kept through the threaded sleeve of the first pipe sleeve and the second pipe sleeve.

(2) The sealing performance of the sealing cavity is ensured through the oil seal ring, oil is prevented from being discharged outwards through the transmission cavity and the sealing cavity through permeation, meanwhile, the first transmission rod is assisted to rotate stably through the oil seal ring, when the filter screen cylinder is cleaned, the rotating wheel is rotated, the first transmission rod is driven, the transmission gear disc is driven, the second transmission rod rotates each cleaning rod, each mesh hole on the inner side wall of the filter screen cylinder is cleaned, attached solid particle impurities such as scrap iron and the like are cleaned out and discharged through the impurity discharging groove along with cleaning liquid, when the filter screen cylinder filters the oil, the cleaning rods are driven to rotate through the rotating wheel, the impurities such as the scrap iron and the like are prevented from blocking the mesh holes of the filter screen cylinder, the working efficiency of the filter screen cylinder is improved, after cleaning, the sealing bolt is opened, the oil inlet pipe head is sealed, the cleaning liquid is poured into the oil outlet pipe head, the filter screen cylinder is cleaned, the cleaned liquid after the cleaning is discharged through the impurity discharging groove, the sealing bolt is used for sealing the impurity discharging groove again after the cleaning of the filter screen cylinder is finished, the cleaning of the filter screen cylinder is quickly, the filter screen cylinder is cleaned, the service life of the filter cylinder is prolonged, and the filter cylinder is also can be shortened, and the filter cylinder is used for cleaning.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a side view of the internal structure of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

in the figure: 1. a filter cartridge; 2. mounting the cylinder; 3. mounting a plate; 4. a J-shaped clamping groove; 5. an oil inlet pipe head; 6. a sealing seat; 7. a sealing plug; 8. a first pipe sleeve; 9. a pushing spring; 10. mounting blocks; 11. an oil drain pipe head; 12. a first seal ring; 13. a second pipe sleeve; 14. a second seal ring; 15. a mounting ring; 16. a rotating wheel; 17. sealing the cavity; 18. an oil seal ring; 19. a first drive lever; 20. a transmission fluted disc; 21. a transmission cavity; 22. a trash discharging groove; 23. a second transmission rod; 24. cleaning the rod; 25. a screen cylinder; 26. an annular groove; 27. and sealing the rubber ring.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 1-3: oil return filter, including cartridge filter 1 and installation section of thick bamboo 2, cartridge filter 1 activity cup joints in installation section of thick bamboo 2, the one end fixedly connected with of installation section of thick bamboo 2 is used for installing this device monolithic to the mounting panel 3 on the machinery, the sealed oil inlet pipe head 5 that wears to be equipped with in one side of cartridge filter 1 one end, the sealed oil drain pipe head 11 that wears to be equipped with in the opposite side of cartridge filter 1 one end, oil inlet pipe head 5 and oil drain pipe head 11 mutual symmetry, the J-shaped draw-in groove 4 that cooperates oil inlet pipe head 5 and oil drain pipe head 11 joint is all seted up to the other end both sides of installation section of thick bamboo 2, seal receptacle 6 is installed in the butt joint of the tip of cartridge filter 1, and seal receptacle 6 is butt joint with cartridge filter 1 through first pipe box 8, the middle part cover of cartridge filter 1 is equipped with a screen section of thick bamboo 25, the axle center department of cartridge filter screen section of thick bamboo 25 is provided with second transfer line 23, the periphery fixedly connected with a plurality of second transfer line 23 is the cleaning rod 24 that the annular array evenly distributed, the tip of oil inlet pipe head 5 flushes with the inside wall of cartridge filter screen section of cartridge filter cartridge 1, the tip of discharging stretches into in the cartridge filter screen section of thick bamboo 25 through installation piece 10.

A pushing spring 9 is fixedly connected to one side of the mounting plate 3 and positioned in the mounting cylinder 2, the other end of the pushing spring 9 is abutted against the outer surface of one end of the filter cylinder 1, and one end of the filter cylinder 25 is provided with a groove matched with the mounting block 10;

during operation, through J-shaped clamping groove 4 and top push spring 9, when cartridge filter 1 stretched into installation section of thick bamboo 2 in, advance oil pipe head 5 and arrange oil pipe head 11 respectively with the J-shaped clamping groove 4 joint of both sides, top push spring 9 atress compression top push cartridge filter 1 simultaneously, cooperation J-shaped clamping groove 4 was installed cartridge filter 1 in installation section of thick bamboo 2 steadily, made things convenient for cartridge filter 1's quick replacement and stable installation.

Arrange miscellaneous groove 22 in the middle part of seal receptacle 6's one end surface near filter screen section of thick bamboo 25, it is the arc concave surface structure and the opposite side to arrange miscellaneous groove 22, arrange miscellaneous groove 22 and have cup jointed sealed bolt 7 through the thread groove screw, it clears up the back to filter screen section of thick bamboo 25 to rotate clearance pole 24 when second transfer line 23, open sealed bolt 7, seal into oil pipe head 5, pour into cleaning fluid into oil drain pipe head 11, thereby clear up filter screen section of thick bamboo 25, and discharge the liquid after will clearing up through arranging miscellaneous groove 22, seal row miscellaneous groove 22 through sealed bolt 7 once more after the end, thereby wash the inside of cartridge filter 1 under the condition of not opening cartridge filter 1 fast, prolong the life of filter screen section of thick bamboo 25, shorten the clearance time, and improve the work efficiency.

A transmission cavity 21 is formed in the middle of the inner side of the sealing seat 6, one end of a second transmission rod 23 penetrates through the sealing seat 6 and extends into the transmission cavity 21, a sealing cavity 17 is formed in the sealing seat 6 and located on one side of the transmission cavity 21, a first transmission rod 19 penetrates through the sealing cavity 17, two ends of the first transmission rod 19 penetrate through the sealing seat 6 and are rotatably connected with the sealing seat 6, one end of the first transmission rod 19 extends into the transmission cavity 21, transmission fluted discs 20 are fixedly sleeved at one end of the first transmission rod 19 and one end of the second transmission rod 23, the two transmission fluted discs 20 are meshed for transmission, a rotating wheel 16 is fixedly connected to the other end of the first transmission rod 19, the middle of the first transmission rod 19 is located in the sealing cavity 17 and keeps sealing through an oil seal ring 18, and the oil seal rings 18 are provided with a plurality of transmission rods and are uniformly distributed at equal intervals;

in operation, ensure the leakproofness of seal chamber 17 through oil seal 18, prevent that fluid from outwards discharging via transmission cavity 21 and seal chamber 17 through the infiltration, simultaneously through the stable rotation of the supplementary first drive lever 19 of oil seal 18, when clearing up filter screen cylinder 25, rotate runner 16, drive first drive lever 19, through the transmission of drive fluted disc 20, drive second drive lever 23, second drive lever 23 rotates each clearance pole 24, clear up every mesh on the filter screen cylinder 25 inside wall, clear up solid particle impurity such as adnexed iron fillings and discharge through arranging miscellaneous groove 22 along with the clearance liquid, when filter screen cylinder 25 filters fluid, through rotating runner 16, drive clearance pole 24 and rotate, avoid impurity such as iron fillings to block up the mesh of filter screen cylinder 25, improve filter screen cylinder 25's work efficiency.

The periphery of the other end of the filter cartridge 1 is fixedly sleeved with a first sealing ring 12, the periphery of the first sealing ring 12 is fixedly connected with a second pipe sleeve 13 in threaded sleeve joint with the first pipe sleeve 8, the periphery of one end, close to the filter cartridge 1, of the sealing seat 6 is fixedly sleeved with a second sealing ring 14, the second sealing ring 14 is correspondingly clamped with the first sealing ring 12, the sealing seat 6 is rotatably connected with the first pipe sleeve 8 through a mounting ring 15, and the sealing seat 6 is fixedly sleeved with the mounting ring 15;

the cross sections of the first sealing ring 12 and the second sealing ring 14 are both L-shaped, annular grooves 26 are formed in the inner periphery of the first sealing ring 12 and the outer periphery of the second sealing ring 14, and sealing rubber rings 27 are mounted in the annular grooves 26 and at the end part of the sealing seat 6 pushing the filter cartridge 1;

during operation, the tip of seal receptacle 6 docks and keeps sealed through sealing rubber ring 27 and cartridge filter 1, first sealing ring 12 and the butt joint of second sealing ring 14 simultaneously, thereby keep sealed multiple seal structure that forms through sealing rubber ring 27 on the contact surface of first sealing ring 12 and second sealing ring 14, ensure the leakproofness of seal receptacle 6 and cartridge filter 1, prevent that fluid from permeating from the gap when filtering, rotate first pipe box 8 simultaneously, cup joint through the screw thread of first pipe box 8 and second pipe box 13 and keep the stable seal of each sealing rubber ring 27 and the stable installation between seal receptacle 6 and the cartridge filter 1, after the use, can also decompose seal receptacle 6 and cartridge filter 1 through first pipe box 8 fast to filter screen cylinder 25 in cartridge filter 1 changes.

The utility model discloses when using, the staff passes through J-shaped draw-in groove 4 and top push spring 9, when cartridge filter 1 stretches into installation section of thick bamboo 2, advance oil pipe head 5 and arrange oil pipe head 11 respectively with the J-shaped draw-in groove 4 joint of both sides, top push spring 9 atress compression top push cartridge filter 1 simultaneously, cooperation J-shaped draw-in groove 4 is installed cartridge filter 1 in installation section of thick bamboo 2 steadily, make things convenient for quick replacement and the stable installation of cartridge filter 1, the tip of seal receptacle 6 docks and keeps sealed with cartridge filter 1 through sealed rubber ring 27, simultaneously first sealing ring 12 and second sealing ring 14 dock, keep sealed thereby forming multiple seal structure through sealed rubber ring 27 on the contact surface of first sealing ring 12 and second sealing ring 14, ensure the leakproofness of seal receptacle 6 and cartridge filter 1, prevent that fluid from permeating from the gap when filtering, rotate first pipe box 8 simultaneously, the stable sealed of each sealed rubber ring 27 and the stable installation between seal receptacle 6 and the cartridge filter 1 are kept through the threaded sleeve joint of first pipe box 8 and second pipe box 13;

ensure the leakproofness of seal chamber 17 through oil seal ring 18, prevent that fluid from outwards discharging through transmission chamber 21 and seal chamber 17 through the infiltration, simultaneously through the stable rotation of oil seal ring 18 supplementary first drive rod 19, when clearing up filter screen cylinder 25, rotate runner 16, drive first drive rod 19, through the transmission of drive fluted disc 20, drive second drive rod 23, second drive rod 23 rotates each cleaning rod 24, clear up every mesh on the filter screen cylinder 25 inside wall, clear up attached solid particle impurity such as iron fillings and discharge through trash removal groove 22 along with the cleaning fluid, when filter screen cylinder 25 filters fluid, through rotating runner 16, drive cleaning rod 24 and rotate, avoid impurity such as iron fillings to block up the mesh of filter screen cylinder 25, improve the work efficiency of filter screen cylinder 25, after the clearance, open oil pipe seal plug 7, seal oil pipe head 5, clear up filter cartridge to oil extraction pipe head 11, thereby clear up filter screen cylinder 25, and pass through the liquid discharge after the clearance, and pass through the drain-off groove 22, open filter screen cylinder seal plug 7 again, thereby can also shorten filter screen cylinder life-off filter cartridge 1 and carry out the quick cleaning efficiency after the filter screen cylinder, thereby can shorten filter screen cylinder life-time and carry out the filter screen cylinder when filter screen cylinder 2, can be carried out through the sealed, and the sealed filter screen cylinder, thereby, can be carried out the sealed, the sealed service life-up 1 fast, and the sealed filter cartridge can be shortened in the sealed case of 1.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention.

Claims

1. Oil return filter, its characterized in that, including cartridge filter (1) and installation section of thick bamboo (2), cartridge filter (1) activity cup joints in installation section of thick bamboo (2), the one end fixedly connected with of installation section of thick bamboo (2) is used for installing mounting panel (3) on the machinery with this device integral erection, one side seal of cartridge filter (1) one end is worn to be equipped with into oil pipe head (5), and the opposite side seal of cartridge filter (1) one end is worn to be equipped with oil discharge pipe head (11), advances oil pipe head (5) and oil discharge pipe head (11) symmetry each other, J shape draw-in groove (4) of cooperation oil pipe head (5) and oil discharge pipe head (11) joint are all seted up to the other end both sides of installation section of thick bamboo (2), seal receptacle (6) are installed in the tip butt joint of cartridge filter (1), and seal receptacle (6) dock through first pipe box (8) and cartridge filter (1) meet mutually, the middle part cover of cartridge filter (1) is equipped with cartridge filter (25), the axle center department of cartridge filter (25) is provided with second transfer line (23), and the periphery fixedly connected with of second transfer line (23) is a plurality of being the even pole of managing the array (24) and managing the pole.

2. The oil return filter of claim 1, wherein the end of the oil inlet pipe head (5) is flush with the inner side wall of the filter cylinder (1), the end of the oil outlet pipe head (11) extends into the filter screen cylinder (25) through the mounting block (10), and one end of the filter screen cylinder (25) is provided with a groove matched with the mounting block (10).

3. The oil return filter according to claim 1, wherein one side of the mounting plate (3) and located in the mounting cylinder (2) is fixedly connected with a pushing spring (9), and the other end of the pushing spring (9) abuts against the outer surface of one end of the filter cartridge (1).

4. The oil return filter according to claim 1, wherein the sealing seat (6) is provided with a trash removal groove (22) in the middle of the outer surface of one end close to the filter screen cylinder (25), one side of the trash removal groove (22) is of an arc concave structure, the other side of the trash removal groove is a thread groove, and the trash removal groove (22) is sleeved with the sealing bolt (7) through the thread groove.

5. The oil return filter of claim 1, wherein a transmission cavity (21) is formed in the middle of the inner side of the seal seat (6), one end of the second transmission rod (23) penetrates through the seal seat (6) and extends into the transmission cavity (21), a seal cavity (17) is formed in one side, located in the transmission cavity (21), of the interior of the seal seat (6), and a first transmission rod (19) penetrates through the seal cavity (17).

6. The return oil filter according to claim 5, wherein both ends of the first transmission rod (19) penetrate through the sealing seat (6) and are rotatably connected with the sealing seat (6), one end of the first transmission rod (19) extends into the transmission cavity (21), and both ends of the first transmission rod (19) and one end of the second transmission rod (23) are fixedly sleeved with transmission fluted discs (20), and the two transmission fluted discs (20) are in meshing transmission.

7. The oil return filter according to claim 6, wherein the other end of the first transmission rod (19) is fixedly connected with a rotating wheel (16), the middle part of the first transmission rod (19) and located in the sealing cavity (17) are kept sealed by an oil seal ring (18), and the oil seal rings (18) are arranged in a plurality and are uniformly distributed at equal intervals.

8. The oil return filter according to claim 1, wherein a first sealing ring (12) is fixedly sleeved on the periphery of the other end of the filter cartridge (1), a second pipe sleeve (13) in threaded sleeve connection with the first pipe sleeve (8) is fixedly connected on the periphery of the first sealing ring (12), and a second sealing ring (14) is fixedly sleeved on the periphery of one end of the sealing seat (6) close to the filter cartridge (1).

9. The return oil filter according to claim 8, characterized in that the second sealing ring (14) is correspondingly clamped to the first sealing ring (12), the sealing seat (6) is rotatably connected to the first sleeve (8) via a mounting ring (15), and the sealing seat (6) is fixedly sleeved to the mounting ring (15).

10. The oil return filter according to claim 9, wherein the cross-sections of the first sealing ring (12) and the second sealing ring (14) are L-shaped, annular grooves (26) are formed in the inner periphery of the first sealing ring (12) and the outer periphery of the second sealing ring (14), and sealing rubber rings (27) are mounted in the annular grooves (26) and at the end of the sealing seat (6) pushing the filter cartridge (1).