Filter device of industrial oil fiber filter element

Abstract

The utility model relates to the field of filtering, in particular to an industrial oil fiber filter element filtering device which comprises an oil tank, a first filter element, a second filter element and a tension spring, a flange is welded to the top of the oil tank, a stud is fixedly installed in the middle of the bottom in the oil tank, and the stud is in threaded connection with a screw hole in the bottom of a bracket bottom plate. A bracket pipe is fixedly installed in the middle of the top of the bracket bottom plate, the inner wall of the lower end of the bracket pipe is fixedly connected with the two ends of a connecting column, the lower end of a tension spring is fixedly connected with an annular hook, the hook is connected to the outer side of the connecting column in a sleeving mode, a pull nut is fixedly installed at the top of the tension spring, and a lead screw is installed in the pull nut in a threaded mode. The tension spring is stretched, so that the elasticity of the tension spring enables the bracket bottom plate and the pressing plate to press the filter element to achieve a sealing effect, the operation is simple, the filter element can be directly taken out from the top of the oil tank by using a filter element taking-out device through single-hand pulling, the oil tank does not need to be laterally cut, the whole oil tank does not need to be taken down, and the operation is more convenient and simpler.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter field, concretely is a kind of filtering device of industrial oil fiber filter element. BACKGROUND

[0002] The filtering device of industrial oil is mainly in the sealed tank, using pressure spring to compress filter element, to achieve sealing effect, then filtering industrial oil.

[0003] However, in the prior art, there are the following defects:

[0004] The existing filtering device cuts the bottom side of the tank, and when replacing the filter element, the filter element can only be lifted out from the center lead screw after the tank is removed, which is difficult to take out. In addition, since the spring is arranged at the top, it occupies a part of the space. Since the tank bottom side needs to be sealed, the tank must be thickened. There is a screw rod with a diameter of more than 30 mm at the center of the tank bottom, which directly leads to the top of the tank, so the tank needs to be correspondingly longer and needs to be processed by a large machine tool, increasing the manufacturing cost. A hexagonal cap is used to compress the tank, which also needs to be sealed, so the material and processing difficulty are very large. SUMMARY

[0005] The utility model aims at providing a kind of filtering device of industrial oil fiber filter element to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme, including oil tank, first filter element, second filter element and tension spring, the top of oil tank is welded with flange, the middle of oil tank inner bottom is fixedly installed with stud, the stud is connected with the screw hole of the bottom of bracket bottom plate by screw thread, the middle of the top of bracket bottom plate is fixedly installed with bracket pipe, the inner wall of the lower end of bracket pipe is fixedly connected with the both ends of connecting column, the lower end of tension spring is fixedly connected with the hook of ring shape, the hook is sleeved on the outside of connecting column, the top of tension spring is fixedly installed with pull mother, the inside of pull mother is fixedly installed with lead screw by screw thread, the top of bracket pipe is fixedly installed with connecting pipe, the top of lead screw is fixedly installed with hexagonal nut.

[0007] As a preferred technical scheme of the utility model, the bottom of one side of the oil tank is provided with an oil inlet, and the bottom of the oil tank is provided with an oil outlet.

[0008] As a preferred technical scheme of the utility model, the middle position of the first filter element and the middle position of the second filter element are both provided with a round through hole, the first filter element is sleeved outside the bracket pipe and the connecting pipe, the second filter element is sleeved outside the connecting pipe, the first filter element is placed on the top of the bracket bottom plate, and the both ends of the first filter element, the both ends of the second filter element and the bottom of the hexagonal nut are all fixedly installed with a sealing ring.

[0009] As a preferred technical scheme of the utility model, the second filter core is provided with a pressing plate on the top, the bottom of the hexagon nut is in close contact with the top of the pressing plate, and the sealing ring at the bottom of the hexagon nut is in contact with the top of the pressing plate.

[0010] As a preferred technical scheme of the utility model, the diameter of the bracket pipe is equal to the diameter of the connecting pipe, and the diameter of the bracket pipe and the diameter of the connecting pipe are consistent with the inner diameter of the round through hole.

[0011] As a preferred technical scheme of the utility model, the wire diameter of the tension spring is 6 mm.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The tension spring is hidden in the bracket pipe, the screw rod is aligned with the puller and rotated, the tension spring is stretched, the elasticity of the tension spring makes the bracket bottom plate and the pressing plate compress the filter core to achieve the sealing effect, the operation is simple, the filter core can be directly taken out by using the filter core extractor to pull from the top of the oil tank with one hand, the oil tank does not need to be cut from the side, and the oil tank does not need to be taken down as a whole, so that the utility model is more convenient and simple. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a bracket bottom plate top structure schematic view of the utility model;

[0016] Figure 3 It is a top plane schematic view of the utility model;

[0017] Figure 4 It is a tension spring connecting structure schematic view of the utility model.

[0018] In the drawing: 1, oil tank; 2, flange; 3, hexagon nut; 4, pressing plate; 5, first filter core; 6, second filter core; 7, oil inlet; 8, bracket bottom plate; 9, oil outlet; 10, round through hole; 11, sealing ring; 12, bracket pipe; 13, puller; 14, connecting pipe; 15, screw rod; 16, tension spring; 17, hook; 18, connecting column; 19, stud. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of filtering device of industrial oil fiber filter element, including oil tank 1, first filter element 5, second filter element 6 and tension spring 16, the middle position of first filter element 5 and the middle position of second filter element 6 are all set with round through hole 10, first filter element 5 is sleeved in the outside of bracket pipe 12 and connecting pipe 14, second filter element 6 is sleeved in the outside of connecting pipe 14, first filter element 5 is placed in the top of bracket bottom plate 8, the both ends of first filter element 5 and the both ends of second filter element 6 and the bottom of hexagonal nut 3 are all fixedly installed with sealing ring 11, the top of second filter element 6 is provided with pressing plate 4, the bottom of hexagonal nut 3 and the top of pressing plate 4 are closely abutted, the sealing ring 11 of hexagonal nut 3 bottom and the top of pressing plate 4 contact, the top of oil tank 1 is welded with flange 2, the bottom of one side of oil tank 1 is provided with oil inlet 7, the bottom of oil tank 1 is provided with oil outlet 9, oil inlet 7 is convenient for oil to enter oil tank 1, oil outlet 9 is convenient for the oil that filtering is completed to discharge oil tank 1, the bottom middle of oil tank 1 is fixedly installed with stud 19, stud 19 is screw thread connection with the screw hole of the bottom of bracket bottom plate 8, the middle of the top of bracket bottom plate 8 is fixedly installed with bracket pipe 12, the inner wall of the lower end of bracket pipe 12 is fixedly connected with the both ends of connecting column 18, the lower end of tension spring 16 is fixedly connected with annular hook 17, hook 17 is sleeved in the outside of connecting column 18, the top of tension spring 16 is fixedly installed with pull mother 13, the inside of pull mother 13 is screw thread installed with lead screw 15, the top of bracket pipe 12 is fixedly installed with connecting pipe 14, the diameter of bracket pipe 12 and the diameter of connecting pipe 14 are equal, the diameter of bracket pipe 12 and the diameter of connecting pipe 14 are consistent with the inner diameter of round through hole 10, prevent first filter element 5 and second filter element 6 misplacement, convenient for tension spring 16 to stretch inside, the top of lead screw 15 is fixedly installed with hexagonal nut 3, flange 2 plays the role of sealing oil tank 1, bracket bottom plate 8 plays the role of supporting convenient installation.

[0021] Working principle: the utility model for use, rotate six nuts 3, make six nuts 3 drive screw rod 15 rotation, make screw rod 15 pull and draw the mother 13 upwards, make draw the mother 13 stretch tension spring 16, make the elasticity of tension spring 16 adjusting pressure plate 4 the pressure of first filter core 5 and second filter core 6, and make the sealing ring 11 of six nuts 3 bottom and pressure plate 4 close contact, and compress filter core to reach the purpose of sealing, the flange 2 welded at the top of oil tank 1 makes the inside of oil tank 1 be sealed environment, it is convenient for filtering industrial oil, after filtering, screw six nuts 3, drive screw rod 15 reverse, make screw rod 15 and draw the mother 13 separate, take out screw rod 15, take down pressure plate 4 and sealing ring 11, the bottom of filter core extractor is worn in the top of round through hole 10, reverse rotation torsion bar three to five circles, lift upwards, take out filter core, then forward rotation torsion bar three to five circles, take down filter core extractor, after first filter core 5 is taken out, pull out the connecting pipe, then take out second filter core 6 with filter core extractor;Filter core extractor reference patent number: CN219633646U disclosed filter core extractor, after taking out, still can drive bracket bottom plate 8 rotation, make bracket bottom plate 8 and stud 19 separate, take out bracket bottom plate 8 from oil tank 1, and clean bracket tube 12, tension spring 16, draw the mother 13 etc. on bracket bottom plate 8, after cleaning, it is installed to oil tank 1, and changes new filter core and can continue the filtration of industrial oil.

[0022] It is worth noting that in the utility model, when the screw rod 15 rotates and pulls the draw mother 13 upwards, the hook 17 at the bottom of the tension spring 16 is limited by the connecting column 18, so the tension spring 16 and the draw mother 13 will not rotate, and the wire diameter of the tension spring 16 is 6 mm, which has high strength and will not twist when the screw rod 15 rotates. Therefore, the draw mother 13 and the tension spring 16 will not rotate during the filter core compression process, and the draw mother 13 can stretch the spring 16 for compression operation.

[0023] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for part of the technical features, and any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A filtering device for industrial oil fiber cartridges, comprising a tank (1), a first cartridge (5), a second cartridge (6) and a tension spring (16), characterized in that: The top of the oil tank (1) is welded with a flange (2), the middle of the inner bottom of the oil tank (1) is fixedly installed with a stud (19), the stud (19) is threadedly connected with the screw hole in the bottom of the bracket bottom plate (8), the middle of the top of the bracket bottom plate (8) is fixedly installed with a bracket pipe (12), the inner wall of the lower end of the bracket pipe (12) is fixedly connected with both ends of the connecting column (18), the lower end of the tension spring (16) is fixedly connected with a ring-shaped hook (17), the hook (17) is sleeved on the outer side of the connecting column (18), the top of the tension spring (16) is fixedly installed with a tension spring female (13), the inside of the tension spring female (13) is threadedly installed with a lead screw (15), the top of the bracket pipe (12) is fixedly installed with a connecting pipe (14), and the top of the lead screw (15) is fixedly installed with a hexagonal nut (3).

2. The filtering device of an oil fiber filter cartridge for industrial use according to claim 1, characterized in that: The bottom of one side of the oil tank (1) is provided with an oil inlet (7), and the bottom of the oil tank (1) is provided with an oil outlet (9).

3. The filtering device of an oil fiber filter cartridge for industrial use according to claim 1, characterized in that: The middle position of the first filter element (5) and the middle position of the second filter element (6) are both provided with a round through hole (10), the first filter element (5) is sleeved outside the bracket pipe (12) and the connecting pipe (14), the second filter element (6) is sleeved outside the connecting pipe (14), the first filter element (5) is placed on the top of the bracket bottom plate (8), and the two ends of the first filter element (5) and the two ends of the second filter element (6) and the bottom of the hexagonal nut (3) are all fixedly installed with a sealing ring (11).

4. The filter apparatus for oil fiber filter cartridges of claim 3 wherein: The top of the second filter element (6) is provided with a pressing plate (4), the bottom of the hexagonal nut (3) is in close abutment with the top of the pressing plate (4), and the sealing ring (11) at the bottom of the hexagonal nut (3) is in contact with the top of the pressing plate (4).

5. The filter apparatus for oil fiber filter cartridges of claim 3 wherein: The diameter of the bracket pipe (12) and the diameter of the connecting pipe (14) are equal, and the diameter of the bracket pipe (12) and the diameter of the connecting pipe (14) are consistent with the inner diameter of the round through hole (10).

6. The filter apparatus for oil fiber filter cartridges of the type described in claim 1, wherein: The wire diameter of the tension spring (16) is 6mm.

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