CN216023467U

CN216023467U - Fluid filtering device and filtering system

Info

Publication number: CN216023467U
Application number: CN202122538690.4U
Authority: CN
Inventors: 王甫才; 魏礼刚
Original assignee: Pafu Machinery Suzhou Co ltd
Current assignee: Pafu Machinery Suzhou Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-15
Anticipated expiration: 2031-10-21

Abstract

The utility model relates to the technical field of filtration, in particular to a fluid filtering device and a filtering system, wherein the fluid filtering device comprises a filtering tank body, the filtering tank body is provided with an accommodating cavity, the two opposite ends of the filtering tank body are provided with a first opening and a second opening which are communicated with the accommodating cavity, and the filtering tank body is provided with an oil inlet which is communicated with the accommodating cavity; the sealing cover assembly is covered at the first opening of the filtering tank body; the filter element is arranged in the accommodating cavity in a penetrating mode, the first end of the filter element penetrates through the second opening of the filtering tank body and extends out, the filter element is connected with the filtering tank body in a sealing mode, the filter element is provided with a hollow cavity, the first end of the filter element is provided with an oil outlet communicated with the hollow cavity, and the filter element is provided with an oil hole communicated with the hollow cavity. The utility model can improve the filtering effect on oil, thereby avoiding frequent replacement of the fluid filtering device and reducing machine halt.

Description

Fluid filtering device and filtering system

Technical Field

The utility model relates to the technical field of filtration, in particular to a fluid filtering device and a fluid filtering system.

Background

The existing high-precision machining has high requirements on machining quality, and oil with continuous stability and higher pressure is required to be flushed. However, the traditional high-pressure oil pump has the following defects that the blade pump cannot meet the requirement of high pressure, so that the part processing quality is not high, and even a cutter is damaged, and the cost is increased; use the gear pump can reach the high pressure requirement, but current filter equipment filter effect is not good for the gear pump damages easily, frequently cleans or changes filter equipment moreover, increases cost of labor and down time.

Therefore, a fluid filtering device and a filtering system are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fluid filtering device and a filtering system, which can improve the filtering effect on oil, thereby avoiding frequent replacement of the fluid filtering device and reducing shutdown.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a fluid filtration device comprising:

the filter tank body is provided with an accommodating cavity, the two opposite ends of the filter tank body are provided with a first opening and a second opening which are communicated with the accommodating cavity, and the filter tank body is provided with an oil inlet which is communicated with the accommodating cavity;

the sealing cover assembly is covered at the first opening of the filtering tank body;

the filter element is arranged in the accommodating cavity in a penetrating mode, the first end of the filter element penetrates through the second opening of the filtering tank body and extends out, the filter element is connected with the filtering tank body in a sealing mode, the filter element is provided with a hollow cavity, the first end of the filter element is provided with an oil outlet communicated with the hollow cavity, and the filter element is provided with an oil hole communicated with the hollow cavity.

Further, the sealing cover assembly comprises a cover body and a first sealing ring, the cover body is covered at the first opening, the first sealing ring is located at the first opening and arranged between the cover body and the filtering tank body.

Further, the sealing cover assembly still includes the clamp, the lid passes through the clamp with filter the body coupling.

Further, be provided with the piece of bleeding on the lid, the last air flue of having seted up of the piece of bleeding, the piece of bleeding wears to establish on the lid, the one end of air flue with holding chamber intercommunication, the piece of bleeding can rotate so that the other end of air flue communicates with external atmosphere relatively the lid.

Further, the piece of breathing out includes coaxial line setting and interconnect's pole portion and revolves soon the portion, pole portion with the lid spiro union, pole portion has seted up the air flue, seted up on the lateral wall face of pole portion with the gas pocket of air flue intercommunication, it can drive to revolve soon the portion the pole portion rotates with the shutoff or open the gas pocket.

Further, a second sealing ring is arranged between the air release piece and the cover body.

Further, the filter element comprises a filter rod, the filter rod is provided with the hollow cavity, the filter rod is provided with the oil outlet, the oil hole is formed in one end, far away from the oil outlet, of the filter rod, and a filter screen is sleeved on the filter rod.

Further, the filter rod is in threaded connection with the filter tank body, and one end, far away from the oil outlet, of the filter rod is provided with a screwing hole.

Further, a third sealing ring is arranged between the filter rod and the filter tank body.

The utility model provides a filtration system, includes oil pump, relief valve and as above fluid filtering device, the oil pump respectively with fluid filtering device's oil-out with spout oil pipe intercommunication, the one end of relief valve with the oil pump intercommunication, the other end with set up filter tank body's oil return opening intercommunication, the oil return opening with holding chamber intercommunication.

The utility model has the beneficial effects that:

according to the fluid filtering device and the filtering system provided by the utility model, the filter element is arranged in the accommodating cavity of the filtering tank body, the filter element is connected with the filtering tank body in a sealing manner, the sealing cover component is arranged at the first opening of the filtering tank body, so that the filtering tank body forms a sealing space, oil to be filtered enters the filtering tank body through the oil inlet, partial impurities are deposited in the filtering tank body, most of impurities in the oil are blocked when the oil passes through the filter element, and the filtered oil is discharged through the hollow cavity and the oil outlet of the filter element. Through the mode, utilize the deposit of fluid in filtering the jar body and the filtration of filter core, can promote the filter effect to fluid to avoid frequently changing fluid filter equipment, reduce and shut down.

Drawings

FIG. 1 is an exploded view of a fluid filtration device of the present invention;

FIG. 2 is a general schematic view of a fluid filtration device of the present invention;

FIG. 3 is a view from A-A in FIG. 2;

fig. 4 is a partially enlarged view at B in fig. 3.

In the figure:

1. filtering the tank body; 11. an oil inlet; 12. an oil return port; 2. sealing the cap assembly; 21. a cover body; 22. a first seal ring; 23. clamping a hoop; 3. a filter rod; 31. an oil hole; 32. a screw; 33. a third seal ring; 34. a fourth seal ring; 35. a filter screen; 4. a venting member; 41. a rod portion; 42. and a screwing part.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to improve the filtering effect on oil, thereby avoiding frequent replacement of the fluid filtering device and reducing machine halt, as shown in fig. 1-4, the utility model provides a fluid filtering device. This fluid filter equipment includes: filter jar body 1, sealed lid subassembly 2 and filter core.

The filtering tank body 1 is provided with an accommodating cavity, the two opposite ends of the filtering tank body 1 are provided with a first opening and a second opening which are communicated with the accommodating cavity, and the filtering tank body 1 is provided with an oil inlet 11 communicated with the accommodating cavity; the sealing cover component 2 is covered at the first opening of the filtering tank body 1; the filter core is worn to establish in the holding chamber, and the first end of filter core passes the second opening that filters jar body 1 and stretches out, and filter core and the 1 sealing connection of the jar body of filtering, the filter core have well cavity, and the first end is seted up with the oil-out of well cavity intercommunication, offer on the filter core with the oilhole 31 of well cavity intercommunication.

Treat filterable fluid and enter into through oil inlet 11 and filter jar body 1 in, carry out the deposit at filter jar body 1 partial impurity, when fluid passes through the filter core, most impurity in the fluid is blockked, and the well cavity and the oil-out of the clean fluid of filtration through the filter core are discharged. Through the mode, utilize the deposit of fluid in filtering jar body 1 and the filtration of filter core, can promote the filter effect to fluid to avoid frequently changing fluid filter equipment, reduce and shut down.

Further, the sealing cover assembly 2 comprises a cover body 21 and a first sealing ring 22, the cover body 21 covers the first opening, and the first sealing ring 22 is located at the first opening and is arranged between the cover body 21 and the filtering tank body 1. The cover body 21 is covered at the first opening, so that the first opening is conveniently plugged, and meanwhile, the opening is conveniently carried out to remove impurities in the filtering tank body 1 and clean the filtering tank body 1; the sealing performance between the cover body 21 and the filtering tank body 1 can be improved by arranging the first sealing ring 22.

Further, the sealing cover assembly 2 further comprises a clamp 23, and the cover body 21 is connected with the filtering tank body 1 through the clamp 23. Be convenient for be connected lid 21 with the filtration jar body 1 through setting up clamp 23, can guarantee the stability of being connected between lid 21 and the filtration jar body 1 moreover.

Further, be provided with on the lid 21 and bleed 4, set up the air flue on the piece 4 of bleeding, bleed 4 wears to establish on the lid 21, the one end and the holding chamber intercommunication of air flue, and the piece 4 of bleeding can rotate so that the other end and the external atmosphere intercommunication of air flue relatively lid 21. Through setting up and putting gas spare 4, when this fluid filter equipment carries out the during operation, the air flue does not communicate with external atmosphere, when lid 21 is opened to needs, at first rotates and puts gas spare 4 and make air flue and external atmosphere intercommunication to remove the encapsulated situation who filters jar body 1, make lid 21 be convenient for take off fast. And when carrying out the gas tightness test, through the air flue and the external atmosphere intercommunication of gassing spare 4, if there is the air to enter into fast filtering tank body 1, then prove that the gas tightness is good, otherwise, prove to have the gas leakage, need overhaul this device. When beginning to filter, the air flue can also communicate with external atmosphere for the air in the filtering tank body 1 discharges through the air flue.

Further, the air release part 4 comprises a rod part 41 and a screwing part 42 which are coaxially arranged and connected with each other, the rod part 41 is in threaded connection with the cover body 21, the rod part 41 is provided with an air passage, the side wall surface of the rod part 41 is provided with an air hole communicated with the air passage, and the screwing part 42 can drive the rod part 41 to rotate so as to block or open the air hole. The rod part 41 is convenient to rotate by the screwing part 42, when the air hole of the rod part 41 is contacted with the cover body 21, the cover body 21 blocks the air hole, so that air cannot pass through the air passage, and after the air hole is separated from the contact block with the cover body 21, the air can pass through the air passage. By the arrangement, the air release piece 4 is convenient to control.

Further, a second sealing ring is arranged between the air release member 4 and the cover body 21. Through setting up the second sealing washer, can further promote the gas tightness between piece 4 of letting out and the lid 21, prevent that the air from passing through the clearance circulation between piece 4 of letting out and the lid 21, through setting up the second sealing washer, can utilize second sealing washer shutoff gas pocket moreover, guarantee the airtight effect after the shutoff.

Further, the filter core includes straining pole 3, strains and has well cavity on the pole 3, and strains pole 3 and seted up the oil-out, and oilhole 31 is located the one end of straining pole 3 and keeping away from the oil-out, strains and overlaps on the pole 3 to be equipped with filter screen 35. In this embodiment, filter screen 35 adopts glass fiber to combine high strength multilayer stainless steel to make, can fully filter impurity in the fluid, need not blockked up or destroy moreover to avoid changing the filter core repeatedly. The oilhole 31 is located the one end of keeping away from the oil-out, and the vertical setting of filter core when using can be so that fluid carries out the deposit in filtering jar body 1 earlier, and the cleaner fluid in upper strata enters into well cavity and oil-out through filter screen 35, when guaranteeing that fluid is clean, can reduce impurity in the fluid to the jam of filter screen 35, prolongs the live time of filter screen 35. Moreover, because the liquid level that accumulates of fluid in filtering jar body 1 risees, just can pass through oilhole 31, consequently, if the oil leak appears in the pipeline, then the liquid level in filtering jar body 1 can't rise, does not have the good fluid of filtering at this moment to pass through the oil-out, and at this moment, can control and send cue signal for the staff stops the machine and examines the pipeline, avoids further causing adverse effect to machining.

Further, filter rod 3 and filter jar body 1 threaded connection, filter rod 3 keeps away from the one end of oil-out and has seted up and revolve the twist hole. Specifically, a screw 32 with an inner hexagonal screw hole is arranged at one end of the filter rod 3 far away from the oil outlet, the screw 32 is screwed on the filter rod 3, and the filter rod 3 can be screwed by using an inner hexagonal wrench so that the filter rod 3 is installed on the filter tank body 1.

Further, a third sealing ring 33 is arranged between the filter rod 3 and the filter tank body 1. Can guarantee to strain the leakproofness between the pole 3 and the filter tank body 1 through setting up third sealing washer 33, prevent that fluid from passing through the pole 3 and filtering the clearance seepage between the tank body 1.

This embodiment still provides a filtration system, including oil pump, relief valve and fluid filter equipment as above, the oil pump respectively with fluid filter equipment's oil-out with spout oil pipe intercommunication, be provided with fourth sealing washer 34 between oil pump and the filter rod 3, the one end and the oil pump intercommunication of relief valve, the other end with set up the oil return 12 intercommunication on filtering jar body 1, oil return 12 and holding chamber intercommunication. When the filtration system breaks down and causes the phenomenon of suppressing pressure, fluid can enter into through the relief valve and filter tank body 1 and circulate to prevent the waste of fluid, guarantee filtration system's safety moreover.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A fluid filtration device, comprising:

the oil filter comprises a filter tank body (1), wherein the filter tank body (1) is provided with an accommodating cavity, two opposite ends of the filter tank body (1) are provided with a first opening and a second opening which are communicated with the accommodating cavity, and the filter tank body (1) is provided with an oil inlet (11) which is communicated with the accommodating cavity;

the sealing cover component (2) is covered at the first opening of the filtering tank body (1);

the filter core is worn to establish in the holding chamber, the first end of filter core passes the second opening of filtering jar body (1) stretches out, the filter core with filter jar body (1) sealing connection, the filter core has well cavity, first end seted up with the oil-out of well cavity intercommunication, set up on the filter core with oilhole (31) of well cavity intercommunication.

2. A fluid filtering device according to claim 1, wherein the sealing cover assembly (2) comprises a cover (21) and a first sealing ring (22), the cover (21) being arranged at the first opening, the first sealing ring (22) being arranged at the first opening and between the cover (21) and the filtering tank (1).

3. A fluid filtering device according to claim 2, wherein the sealing cover assembly (2) further comprises a clip (23), the cover (21) being connected to the filtering can (1) by means of the clip (23).

4. The fluid filtering device as claimed in claim 2, wherein the cover body (21) is provided with an air release member (4), the air release member (4) is provided with an air passage, the air release member (4) is arranged on the cover body (21) in a penetrating manner, one end of the air passage is communicated with the accommodating cavity, and the air release member (4) can rotate relative to the cover body (21) so as to enable the other end of the air passage to be communicated with the outside atmosphere.

5. The fluid filtering device according to claim 4, wherein the air release member (4) comprises a rod portion (41) and a screwing portion (42) which are coaxially arranged and connected with each other, the rod portion (41) is screwed with the cover body (21), the rod portion (41) is provided with the air passage, an air hole communicated with the air passage is formed in the side wall surface of the rod portion (41), and the screwing portion (42) can drive the rod portion (41) to rotate so as to block or open the air hole.

6. A fluid filtering device according to claim 4, wherein a second sealing ring is arranged between the air bleed member (4) and the cover (21).

7. The fluid filtering device according to claim 1, wherein the filter element comprises a filter rod (3), the filter rod (3) is provided with the hollow cavity, the filter rod (3) is provided with the oil outlet, the oil hole (31) is located at one end of the filter rod (3) far away from the oil outlet, and the filter rod (3) is sleeved with a filter screen (35).

8. A fluid filtering device according to claim 7, wherein the filtering rod (3) is in threaded connection with the filtering tank (1), and a screwed hole is formed in one end of the filtering rod (3) away from the oil outlet.

9. A fluid filtering device according to claim 7, characterized in that a third sealing ring (33) is arranged between the filter rod (3) and the filter tank (1).

10. A filtering system, characterized by comprising an oil pump, a pressure relief valve and the fluid filtering device according to any one of claims 1 to 9, wherein the oil pump is respectively communicated with an oil outlet and an oil spraying pipe of the fluid filtering device, one end of the pressure relief valve is communicated with the oil pump, the other end of the pressure relief valve is communicated with an oil return port (12) formed in the filtering tank body (1), and the oil return port (12) is communicated with the accommodating cavity.