CN217698321U

CN217698321U - Filtering device

Info

Publication number: CN217698321U
Application number: CN202221608918.0U
Authority: CN
Inventors: 唐勇; 李佳亮
Original assignee: Ningbo Zhenhai Jinhai Bearing Co ltd
Current assignee: Ningbo Zhenhai Jinhai Bearing Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-11-01
Anticipated expiration: 2032-06-23

Abstract

The utility model discloses a filtering device, which comprises a filtering tank, wherein the upper part of the filtering tank is provided with an oil inlet, a filter is arranged in the filtering tank, a filtering pipe with the upper end sealed is arranged in the filtering tank, the bottom of the filtering tank is provided with an oil outlet, the lower end of the filtering pipe is communicated with the oil outlet, the lower part of the filtering pipe is provided with a transition hole, the filter cover is arranged outside the filtering pipe, the bottom of the filter is provided with a settling zone, and the height of the filtering hole is not less than that of the settling zone; the prefilter to fluid can be realized through the filter that sets up in the filter tank, enters into the sealed intracavity through prefilter fluid and falls into the settling zone, deposits through the settling zone and filters to guarantee filterable reliability, fluid enters into the filter tube through the transition hole at last and flows out from the oil-out.

Description

Filtering device

Technical Field

The utility model particularly relates to a filtering device.

Background

In the field of lubrication, a lubricant used as a moving connecting and disconnecting device is usually adopted for lubrication, the service life of mechanical equipment can be effectively prolonged through the lubricant, but the lubricant liquid can contain more impurities after being used for a long time, particularly fine debris impurities of mechanical abrasion, so that the lubricant needs to be replaced after being used for a period of time, the replacement of the lubricant is time-consuming and labor-consuming, and the service life of the lubricant can be effectively prolonged through additionally arranging a filtering device.

In the hydraulic field, hydraulic oil is generally used as a power transmission medium, and hydraulic oil is driven to circulate by a hydraulic machine, so as to drive an execution unit to act. In hydraulic pressure in-process execution unit can be inevitable produce the fines and enter into hydraulic oil such as mutual friction, lead to some pollution-free of hydraulic pressure, along with the extension of live time, more and more impurity fines enter into and can lead to some viscosity of hydraulic pressure to change in the hydraulic oil, because hydraulic pressure has to be mobile simultaneously, consequently when the fines enter into other executive component, lead to wearing and tearing aggravation, seriously influence life.

Therefore, the used oil needs to be filtered by the filtering device, and impurities in the oil are reduced, so that the service life is prolonged. Most of the existing filtering devices adopt a straight-through type filter to filter hydraulic oil or lubricating oil, and although the filtering speed is high, the filtering effect is low. For example, in the hydraulic oil and lubricating oil filter disclosed in the application number 201821105987.3, oil in the device directly enters the oil outlet pipe after passing through the filter screen to flow out to complete purification, the purification efficiency is low, and only one-time filtration and purification can be realized. For this purpose, the present application proposes a highly efficient filter device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the filtering device is simple in structure, has secondary protection filtering and is convenient to maintain.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a filtering device, includes the filter tank, the upper portion of filtering the tank is provided with the oil inlet, the filter tank in be provided with the filter, be provided with the sealed filter tube in upper end in the filter tank, filter tank bottoms portion seted up the oil-out, the filter tube lower extreme is linked together with the oil-out, the lower part of filter tube be provided with the transition hole, the filter cover establish in the filter tube outside, the bottom of filter is provided with the settling zone, the height in transition hole is not less than the height of settling zone.

Furthermore, the filter comprises an upper end cover, a filter element and a lower base in sequence, wherein the upper end cover is provided with an upper mounting groove, the lower base is provided with a lower mounting groove, two ends of the filter element are respectively embedded in the corresponding upper mounting groove and the corresponding lower mounting groove, the middle part of the filter element is provided with a filter cavity, and the filter pipe is arranged in the filter cavity; the advantage lies in can constituting the settling bench through the lower base that sets up and the cooperation of filtering the jar to form the settling zone, carry out the secondary filter through the settling zone to lubricating oil or hydraulic oil and deposit, enter into the oil-out through the transition hole at last, outwards discharge the oil after the secondary filter.

Furthermore, the upper end cover is provided with a mounting opening corresponding to the filter cavity, the lower end of the filter pipe is fixed with the filter tank, the upper end of the filter pipe extends to the mounting opening, the upper end cover is provided with a sealing cover for sealing the mounting opening, and the sealing cover is fixed with the filter pipe in a threaded connection manner; the advantage lies in can conveniently clearing up the filtration impurity in the settling zone through the setting of installing port. The filter tube that sets up simultaneously extends to installation department to very big improvement the fixed reliability between installation pipe and the filter, be convenient for fixed and maintain.

Furthermore, a sealing plate is detachably arranged at the upper end of the filter tank, an opening is formed in the upper end of the filter pipe and is provided with internal threads, the filter pipe is provided with a sealing bolt for sealing the opening, and the sealing cover is hermetically fixed with the filter through the sealing bolt; the advantage lies in can conveniently opening or sealing to sealed chamber through the sealed lid that sets up and the cooperation of sealing bolt, can seal and open the upper end opening of filter tube simultaneously through the sealing bolt that sets up to when conveniently clearing up filter equipment, the convenience of inside clearance, and in case the filter tube is blocked up still can dismantle sealing bolt and dredge the filter tube.

Furthermore, an outer filter screen is arranged on the outer side of the filter element, and an inner filter screen which is coaxial with the outer filter screen is arranged on the inner side of the filter screen; the advantage lies in can have certain pressure when pumping lubricating oil or hydraulic oil into the filter tank, can press from both sides tightly fixedly to the filter core that sets up between through the cooperation of the interior filter screen that sets up and outer filter screen to effectively improve the stability of filter core, and then guarantee filterable reliability, prevent promptly that the impact force from causing too big impact to the filter core and leading to its deformation, prevent the filter gap grow of filter core.

Furthermore, the mesh number of the outer filter screen and the inner filter screen is 60-200 meshes; the filter has the advantages that the 60-200-mesh inner filter screen and the 60-mesh outer filter screen can ensure that oil can smoothly enter the filter element and simultaneously play a reliable role in fixing the filter element, thereby improving the supporting performance.

Furthermore, an exhaust port is arranged at the upper end of the filter tank, and a pressure gauge and a pressure valve are arranged on the exhaust port; the advantage lies in can discharging the gas in the filtration jar through the gas vent that sets up, can contain more thin garrulous bubble in the fluid of using for a long time promptly usually, gathers after filtering and merges and become big bubble and shift up, forms the air after breaking, needs in time to discharge after gathering certain degree, otherwise can seriously influence the pump income efficiency of oil inlet play fluid, the filter effect that also can many filters simultaneously produces the influence.

Furthermore, the oil outlet is connected with an oil outlet pipe, and the oil outlet pipe is provided with a filter valve; the advantage lies in can carrying out the cubic to the fluid after filtering through the cooperation of the play oil pipe that sets up and cross the strainer valve and filter, and the ripples love ensures the filterable reliability of fluid to improve practicality, the life of extension fluid reduces cost in business.

Furthermore, the oil inlet is provided with an oil inlet pipe, and the oil inlet pipe is connected with an oil tank through an oil pump; the advantage lies in can going into the filter tank and have certain pressure with fluid through the oil feed pipe pump of setting, can make fluid smooth entering into the filter in through this pressure, improves the filter effect.

Compared with the prior art, the utility model discloses following beneficial effect has: the prefilter to fluid can be realized through the filter that sets up in the filter tank, enters into the sealed intracavity through prefilter fluid and falls into the settling zone, deposits through the settling zone and filters to guarantee filterable reliability, fluid enters into the filter tube through the transition hole at last and flows out from the oil-out. The in-process that the fluid in the sealed chamber got into the filter tube inside promptly, because the settling zone does not have the filter mesh hole consequently fluid rises to the transition hole relatively slowly and then flows into in the filter tube, rises the in-process at fluid and deposits the filtration. Thereby improving the filtering efficiency and the quality of the oil, prolonging the replacement period of the hydraulic oil or the lubricating oil and reducing the cost of enterprises.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the filtration tank of the present invention;

FIG. 3 is a schematic view of the front structure of the filtering tank of the present invention;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the construction of FIG. 4 with the filter element removed;

fig. 6 is a schematic structural diagram of the filter of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The following description is provided to disclose the invention and to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or position relative to one another as illustrated in the figures, which is intended merely to simplify the description of the present invention and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above terms are not to be considered as limiting.

The filtering device shown in the attached figures 1-6 comprises a filtering tank 1, an upper end opening of the filtering tank 1 is provided, a sealing plate 2 for sealing the opening is detachably arranged at the opening, an exhaust port 2.1 is formed in the sealing plate 2, a pressure gauge 2.2 and a pressure valve 2.3 are arranged at the exhaust port 2.1, the pressure in the sealing tank can be monitored through the pressure gauge 2.2, and when the pressure exceeds the pressure, the air can be exhausted through the pressure valve 2.3. An oil inlet 8 is arranged at the upper part of the side wall of the filter tank 1, an oil inlet pipe 8.1 is arranged at the oil inlet 8, the oil inlet pipe 8.1 is connected with the oil tank 4 through an oil pump 3, and the operation is that the oil pump 3 operates to pump oil in the oil tank 4 into the filter tank 1. The lower part of the filter tank 1 is also provided with a pressure port 13, a pressure switch 12 is arranged at the pressure port 13, and the pressure in the filter tank 1 is monitored and regulated through the pressure switch 12.

The filter 5 is arranged in the filter tank 1, the filter 5 comprises an upper end cover 5.1, a filter element 5.2 and a lower base 5.3 which are sequentially fixed with the filter tank 1, the upper end cover 5.1 is provided with an upper mounting groove 5.4, the lower base 5.3 is provided with a lower mounting groove 5.5, two ends of the filter element 5.2 are respectively embedded in the corresponding upper mounting groove 5.4 and the lower mounting groove 5.5, and the middle part of the filter element 5.2 is provided with a filter cavity 5.7. For the fixed reliable of guarantee filter core 5.2, avoid the impact after fluid incorporates into to cause the deformation of filter core 5.2, be provided with outer filter screen 5.8 in the outside of filter core 5.2, the inboard of filter core is provided with the interior filter screen 5.9 with outer filter screen 5.8 coaxial settings, and the upper and lower both ends of outer filter screen 5.8 and interior filter screen 5.9 are fixed mutually with corresponding upper end cover 5.1 and lower base 5.3 respectively. In order to ensure the filtering effect of the filter element 5.2, the mesh number of the outer filter screen 5.8 and the inner filter screen can be 60 meshes, 80 meshes, 100 meshes or 120 meshes.

In order to ensure the reliability of the filtering device for filtering oil, a filtering pipe 6 is arranged in the filtering cavity 5.7, the lower end of the filtering pipe 6 is fixed with the filtering tank 1, and a transition hole 6.2 is arranged on the filtering pipe 6. Meanwhile, a settling zone 10 is arranged on a lower base 5.3 of the filter 5, the horizontal height of the transition hole 6.2 is not lower than that of the settling zone 10, and the bottom of the filter pipe 6 is communicated with an oil outlet 8. Oil liquid falls into the settling zone 10 after entering the filter chamber 5.7 through the filter 5, and the liquid level of the oil liquid gradually rises in the settling zone 10 after preliminary filtration and enters the filter pipe 6 through the transition hole 6.2. The most limited transition hole 6.2 is arranged in a way that the height of the transition hole 6.2 is flush with that of the settling area 10, and at the moment, oil firstly passes through the filter chamber 5.7 and then enters the oil outlet 8 through the transition hole 6.2. When fluid was in filter chamber 5.7, the speed that fluid got into transition hole 6.2 was slow relatively, can carry out the secondary to the impurity in the fluid this moment to make impurity fall in settling zone 10, realize the secondary and deposit the filtration.

For the convenience to the clearance of sedimentation zone 10 and the convenient dismantlement of filter 5 to maintain, set up with the corresponding installing port 5.6 of filter chamber 5.7 at the upper end cover 5.1 of filter 5, upper end cover 5.1 is provided with the sealed lid 7 that is used for sealed installing port 5.6, the upper end of filter tube 6 extends to installing port 5.6, the upper end opening of filter tube 6 just is provided with the internal thread simultaneously, filter tube 6 is provided with and is used for sealed open-ended sealing bolt 6.1, and sealed lid 7 is sealed fixed with filter 5 through sealing bolt 6.1, compress tightly sealed lid 7 through sealing bolt 6.1 promptly, make sealed lid 7 and upper end cover 5.1 counterbalance tightly and then ensure sealed lid 7 sealed to installing port 5.6 sealed.

For the filterable reliable looks of further guarantee, be provided with the filter valve 11 at play oil pipe 9.1, can carry out the cubic to the fluid after filtering through the cooperation of the play oil pipe 9.1 that sets up and filter valve 11 and filter, guarantee the filterable reliability of fluid to improve practicality, the life of extension fluid reduces the cost in business.

The pressure gauge, the pressure valve, the filter valve and the pressure switch are all electrically controlled components and connected with a controller, and the control of the components and parts by the controller is the prior art well known to those skilled in the art.

It will be understood by those skilled in the art that the embodiments of the present invention described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the invention have been shown and described in the embodiments, and the embodiments of the invention can be modified or adapted without departing from the principles.

Claims

1. The utility model provides a filter equipment, includes the filter tank, the upper portion of filter tank is provided with the oil inlet, the filter tank in be provided with the filter, its characterized in that, be provided with the sealed filter tube in upper end in the filter tank, filter tank bottoms seted up the oil-out, the filter tube lower extreme is linked together with the oil-out, the lower part of filter tube be provided with the transition hole, the filter cover establish in the filter tube outside, the bottom of filter is provided with the settling zone, the height in transition hole is not less than the height of settling zone.

2. The filtering device as claimed in claim 1, wherein the filter comprises an upper end cap, a filter element and a lower base in sequence, the upper end cap is provided with an upper mounting groove, the lower base is provided with a lower mounting groove, two ends of the filter element are respectively embedded in the corresponding upper mounting groove and the lower mounting groove, a filtering cavity is arranged in the middle of the filter element, and the filtering pipe is arranged in the filtering cavity.

3. The filtering device as claimed in claim 2, wherein the upper end cap is provided with a mounting opening corresponding to the filtering chamber, the lower end of the filtering pipe is fixed to the filtering tank, the upper end of the filtering pipe extends to the mounting opening, the upper end cap is provided with a sealing cover for sealing the mounting opening, and the sealing cover is screwed with the filtering pipe.

4. The filtering device as claimed in claim 3, wherein the filtering tank has a sealing plate detachably disposed at an upper end thereof, the filtering pipe has an upper opening and is provided with internal threads, the filtering pipe is provided with a sealing bolt for sealing the opening, and the sealing cover is sealingly fixed to the filter by the sealing bolt.

5. A filter device according to claim 2, wherein the filter element is provided with an outer filter screen on the outside thereof, and an inner filter screen coaxially arranged with the outer filter screen is provided on the inside thereof.

6. A filter unit as claimed in claim 5, wherein the mesh sizes of the outer and inner filters are 60-200 mesh.

7. The filtration apparatus as claimed in claim 1, wherein the canister is provided at an upper end thereof with a vent, the vent being provided with a pressure gauge and a pressure valve.

8. A filter device as claimed in claim 1, wherein said outlet port is connected to an outlet line, said outlet line being provided with a filter valve.

9. The filter device according to claim 1, wherein the oil inlet is provided with an oil inlet pipe, and the oil inlet pipe is connected with an oil tank through an oil pump.