Oil return filter capable of avoiding oil spilling

Abstract

The utility model discloses a return oil filter avoiding oil spilling, which comprises a shell and a filter cartridge, the top of the shell is fixedly connected with a top cover, the upper surface of the top cover is fixedly connected with a circular block, and one end of a connecting frame is fixedly connected with a connecting column. According to the utility model, not only can the problem that the filtering effect is influenced by blockage of the filtering holes be solved through mutual matching of the scraping rod and the connecting ring, so that the working efficiency is remarkably improved, the equipment replacement cost is indirectly saved, but also the filter and the oil inlet pipe can be tightly attached through mutual insertion of the sealing ring and the sealing groove, and the service life of the filter is prolonged. According to the utility model, oil is prevented from overflowing during working, so that the bad condition of oil overflowing caused by errors during working does not need to be worried about, and the connection part of the two pipe orifices can be quickly fixed through the matched insertion of the insertion block and the insertion slot.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil return filter technical field especially relates to an avoid oil spill's oil return filter. BACKGROUND

[0002] The oil return filter is a kind of equipment for filtering the pollutants in oil return in hydraulic system, mainly installed on the oil return pipeline of hydraulic system, ensure that oil is clean, prevent the pollutants from flowing back to oil tank, to keep the clean and stable operation of hydraulic system.

[0003] However, there are still the following defects, with the elapse of time, filter cartridge in oil return filter can be due to the impurities generated in the filtering process, cause filter hole to be blocked, filter hole to be blocked can greatly affect the filtering effect, even cause equipment serious damage and major safety accidents. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art, and provides an avoid oil spill's oil return filter.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] An avoid oil spill's oil return filter, including the casing and filter cartridge, the top of casing is fixedly connected with top cover, the upper surface of top cover is equipped with the circular groove that penetrates top cover, is rotatably connected with connecting shaft in circular groove through bearing, the side of connecting shaft is fixedly connected with connecting frame, the bottom of connecting frame is fixedly connected with connecting ring, and connecting ring is located between the top inner wall of casing and the top outer wall of filter cartridge and is rotatably connected with casing and filter cartridge, the top of connecting ring is fixedly connected with a plurality of scraping rods, and the bottom inner wall of casing is slidably connected with the one end of scraping rod, the circumferential outer wall of connecting shaft is fixedly connected with two crossbars, a plurality of filter plates are fixedly connected between two crossbars, the side of a plurality of filter plates is welded with the circumferential outer wall of connecting shaft, the crossbar at the lower end of connecting shaft is rotatably connected with casing, and the bottom of casing is fixedly connected with leakage-proof mechanism.

[0007] As a further scheme of the utility model, the leakage-proof mechanism includes fixed block fixed in the bottom of casing, the bottom of fixed block is equipped with connecting block, the bottom of fixed block is fixedly connected with sealing ring, the upper surface of connecting block is equipped with sealing groove that can be inserted with sealing ring.

[0008] As a further scheme of the utility model, the circumferential outer wall of fixed block is fixedly connected with plug, the circumferential outer wall of connecting block is fixedly connected with fixed seat, both sides of the top of fixed seat are equipped with threaded hole, the threaded hole is threadedly connected with lead screw, and the lead screw is threadedly connected with connecting block by passing through fixed seat, and the top of fixed seat is equipped with the insertion slot that can be inserted with plug.

[0009] As a further scheme of the utility model, the top of the connecting shaft is fixedly connected with a handle, and anti-skid lines are formed on the handle.

[0010] As a further scheme of the utility model, the circumferential outer wall of the shell is provided with an oil outlet pipe.

[0011] As a further scheme of the utility model, the shape of the scraping rod is curved, and the inner side of the scraping rod is attached to the outer wall of the filter cartridge.

[0012] As a further scheme of the utility model, the bottom of the connecting block is fixedly connected with an oil inlet pipe, and one end of the oil inlet pipe is connected with an external oil conveying device.

[0013] As a further scheme of the utility model, the material of the filter plate is a magnetic plate.

[0014] The utility model has the advantages of:

[0015] 1. The utility model discloses a scraping rod and a connecting ring, which solve the problem of filter hole blockage affecting the filtering effect, improve the work efficiency, save the cost of equipment replacement, and greatly improve the filtering effect of the filter.

[0016] 2. The utility model discloses a sealing ring and a sealing groove, which realize the close attachment of the filter and the oil inlet pipe, prevent oil overflow during work, avoid the adverse situation of oil overflow due to mistakes, reduce manual adjustment and energy.

[0017] 3. The utility model discloses a plug and a slot, which realize the quick fixing of the connection between the two pipe openings, make the later cleaning work more convenient, greatly reduce the difficulty of manual cleaning, and save a lot of cleaning cost. DRAWINGS

[0018] Fig. 1 A front side three-dimensional structure schematic diagram of an oil return filter avoiding oil overflow is provided for the utility model;

[0019] Fig. 2 A partial explosion structure schematic diagram of an oil return filter avoiding oil overflow is provided for the utility model;

[0020] Fig. 3 A partial sectional view structure schematic diagram of an oil return filter avoiding oil overflow is provided for the utility model.

[0021] In the figure: 1, top cover; 2, fixed block; 3, oil inlet pipe; 4, connecting block; 5, oil outlet pipe; 6, shell; 7, handle; 8, plug block; 9, plug slot; 10, screw rod; 11, fixed seat; 12, sealing groove; 13, sealing ring; 14, connecting shaft; 15, connecting ring; 16, scraping rod; 17, filter plate; 18, filter cartridge; 19, connecting column; 20, connecting frame. DETAILED DESCRIPTION

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and in the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence, so that the embodiments of the present application described herein, based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative labor, shall belong to the scope of protection of the present application.

[0023] Referring to Figs. 1-3The utility model provides an avoid spilling back filter of oil, including shell 6 and filter drum 18, the circumference outer wall of shell 6 is equipped with oil outlet pipe 5, and the one end of oil outlet pipe 5 is linked with control valve, and the pipeline design of oil outlet pipe 5 is usually more robust, can bear higher pressure, ensures that oil is stable transmission under high pressure environment, guarantees the normal operation of system, the top fixed connection of shell 6 has top cover 1, and the upper surface of top cover 1 is equipped with the circular groove of the through top cover 1, and the circular groove is rotatably connected with connecting shaft 14 through bearing, and the one side welding of connecting shaft 14 has the connecting frame 20, and the bottom welding of connecting frame 20 has the connecting ring 15, and the connecting ring 15 is located between the top inner wall of shell 6 and the top outer wall of filter drum 18 and is rotatably connected with shell 6 and filter drum 18, and the top welding of connecting ring 15 has a plurality of scrapers 16, the shape of scraper 16 is curved shape, and the inboard of scraper 16 is attached to the outer wall of filter drum 18, and the shape of scraper 16 can guarantee that the waste evenly moves according to the curved surface of scraping, solves the situation that waste is distributed disorderly in filter, reduces the difficulty of cleaning, and one end of scraper 16 is slidably connected to the bottom inner wall of shell 6, the top welding of connecting shaft 14 has handle 7, and anti -skid line is set up on handle 7, and anti -skid line increases the roughness of the surface of handle 7, so as to increase the friction, prevent the risk of hand slip and drop, ensure the safety in the process of use, the circumference outer wall welding of connecting shaft 14 has two crosses, and a plurality of filter plates 17 are fixed between the two crosses through bolt, and one side of a plurality of filter plates 17 is welded with the circumference outer wall of connecting shaft 14, the cross at the lower end of connecting shaft 14 is rotatably connected with shell 6, and the bottom of shell 6 is fixed with leakage prevention mechanism through bolt, rotating handle 7, handle 7 drives connecting frame 20, connecting ring 15 and scraper 16 to rotate in shell 6 and filter drum 18, and connecting frame 20 drives connecting shaft 14 and filter plate 17 to rotate at the same time, so that filter plate 17 is closely attached to filter drum 18, the material of filter plate 17 is magnetic plate, reduces the cost of processing waste metal, reduces the condition of polluting the environment, saves resources, realizes the problem of filter hole blockage affecting the filtering effect, improves work efficiency, saves the cost of equipment use, improves the working effect of filter.

[0024] The utility model discloses, the anti -leakage mechanism includes the fixed block 2 of the bottom of shell 6, the circumference outer wall of fixed block 2 is fixed with the plug -in block 8 through bolt, the circumference outer wall of connecting block 4 is fixed with the fixed base 11 through bolt, and the both sides of the top of fixed base 11 are all seted up the threaded hole, and the threaded hole is connected with the lead screw 10 of screw thread, and the lead screw 10 is passed fixed base 11 and is connected with connecting block 4 of screw thread, the top of fixed base 11 is seted up the slot 9 of the plug -in of plug -in block 8, and the plug -in block 8 is inserted into the slot 9, makes fixed block 2 and connecting block 4 close adhesion, rotates the lead screw 10, makes it pass fixed base 11 and connecting block 4 fixed, has realized the quick fixing of two pipe orifices connection place, has reduced the difficulty of artificial later cleaning, has saved the cleaning cost, and the bottom of fixed block 2 is equipped with connecting block 4, the bottom welding of connecting block 4 has the oil inlet pipe 3, and one end of oil inlet pipe 3 is connected with external oil conveying device, can ensure the stability and reliability of fuel supply, improve the utilization of fuel, increase the rate of work, and the bottom of fixed block 2 is bonded with sealing ring 13, and the upper surface of connecting block 4 is seted up the sealing groove 12 of the plug -in of sealing ring 13, has realized the close adhesion of filter and oil inlet pipe 3, prevented the oil spillage when working, reduced the input of manpower and material resources.

[0025] Working principle: when needing to clean the filter, first, the plug -in block 8 is inserted into the slot 9, so that the fixed block 2 and the connecting block 4 are closely attached, the lead screw 10 is rotated, and the connecting block 4 is fixed, then the cleaning fluid is injected into the oil inlet pipe 3, the handle 7 is rotated, the handle 7 drives the connecting frame 20, the connecting ring 15 and the scraper rod 16 to rotate in the shell 6 and the filter cartridge 18, and the connecting frame 20 drives the connecting shaft 14 and the filter plate 17 to rotate at the same time, so that the filter plate 17 and the filter cartridge 18 are closely attached, the filter residue flows out from the oil outlet pipe 5 to the outside, and the process of cleaning the filter is completed.

[0026] The utility model has carried on the explanation through the above embodiment, and the person skilled in the art can understand that the utility model is not limited to the above embodiment, and more kinds of modifications can be made according to the teaching of the utility model, and these modifications all fall within the range of the utility model claimed, and the protection scope of the utility model is defined by the appended claims and its equivalent range.

Claims

1. An oil return filter for avoiding oil spillage, comprising a housing (6) and a filter cartridge (18), characterized in that, The top of the shell (6) is fixedly connected with a top cover (1), the upper surface of the top cover (1) is provided with a circular groove penetrating through the top cover (1), a connecting shaft (14) is rotatably connected in the circular groove, one side of the connecting shaft (14) is fixedly connected with a connecting frame (20), the bottom of the connecting frame (20) is fixedly connected with a connecting ring (15), the connecting ring (15) is arranged between the top inner wall of the shell (6) and the top outer wall of the filter cylinder (18) and is rotatably connected with the shell (6) and the filter cylinder (18), the top of the connecting ring (15) is fixedly connected with a plurality of scraping rods (16), one end of the scraping rod (16) is slidably connected with the bottom inner wall of the shell (6), the circumferential outer wall of the connecting shaft (14) is fixedly connected with two cross frames, a plurality of filter plates (17) are fixedly connected between the two cross frames, one side of the plurality of filter plates (17) is welded with the circumferential outer wall of the connecting shaft (14), the cross frame at the lower end of the connecting shaft (14) is rotatably connected with the shell (6), and the bottom of the shell (6) is fixedly connected with a leakage prevention mechanism.

2. The spill-proof return filter of claim 1, wherein, The leakage prevention mechanism comprises a fixed block (2) fixedly connected to the bottom of the shell (6), the bottom of the fixed block (2) is provided with a connecting block (4), the bottom of the fixed block (2) is fixedly connected with a sealing ring (13), and the upper surface of the connecting block (4) is provided with a sealing groove (12) which can be inserted with the sealing ring (13).

3. The spill-proof return oil filter of claim 2, wherein, The circumferential outer wall of the fixed block (2) is fixedly connected with an insertion block (8), the circumferential outer wall of the connecting block (4) is fixedly connected with a fixed seat (11), both sides of the top of the fixed seat (11) are provided with threaded holes, and the threaded holes are threadedly connected with lead screws (10), the lead screws (10) pass through the fixed seat (11) and are threadedly connected with the connecting block (4), and the top of the fixed seat (11) is provided with an insertion groove (9) which can be inserted with the insertion block (8).

4. The spill-proof return oil filter of claim 1, wherein, The top of the connecting shaft (14) is fixedly connected with a handle (7), and the handle (7) is provided with anti-skid lines.

5. The spill-proof return oil filter of claim 1, wherein, The circumferential outer wall of the shell (6) is provided with an oil outlet pipe (5).

6. The spill-proof return oil filter of claim 1, wherein, The scraping rod (16) is in a curved shape, and the inner side of the scraping rod (16) is attached to the outer wall of the filter cylinder (18).

7. The spill-proof return oil filter of claim 3, wherein, The bottom of the connecting block (4) is fixedly connected with an oil inlet pipe (3), and one end of the oil inlet pipe (3) is connected with an external oil conveying device.

8. The spill-proof return oil filter of claim 1, wherein, The filter plate (17) is made of a magnetic plate.

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