CN210138516U

CN210138516U - Anti-static filter

Info

Publication number: CN210138516U
Application number: CN201920470705.8U
Authority: CN
Inventors: 承勇; 孙建民; 王晓明
Original assignee: CHANGZHOU HUALI HYDRAULIC EQUIPMENT Co Ltd
Current assignee: CHANGZHOU HUALI HYDRAULIC EQUIPMENT Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-03-13
Anticipated expiration: 2029-04-09

Abstract

The utility model provides an anti-static filter, which comprises a shell, a filter element part, a compressing device, a conductive device and a grounding device, wherein the filter element part is positioned inside the shell, the lower end of the filter element part is fixedly connected with the shell, the upper end of the filter element part is fixedly connected with the shell through the compressing device, the conductive device is wrapped on the outer surface of the filter element part, extends out of the upper end of the filter element part and is contacted with the compressing device, and the grounding device is positioned above the shell; this device adopts the filter core part, closing device, electrically conductive device and casing complex mode, electrically conductive device collects the static that the filter core part produced and leads to through closing device, the casing is derived, utilize earthing device to realize reliable ground connection, thereby with the static discharge ground connection that the filter core part produced, avoid the too high fluid quality decline that leads to of filter core part static, perhaps discharge between filter core part and the casing leads to the damage of filter core part, the life of filter core part has been prolonged, the filtering performance of filter has been guaranteed.

Description

Anti-static filter

Technical Field

The utility model relates to a filter technical field especially relates to an anti-static filter.

Background

The oil filter belongs to the series of coarse filters of pipelines, can also be used for filtering large particles of gas or other media, can remove larger solid impurities in fluid by being installed on the pipeline, so that machine equipment (including compressors, pumps and the like) and instruments can normally work and operate, the technical process is stabilized, and the effect of safe production is guaranteed; when fluid filters through the filter core, the friction between fluid and the filter core makes the filter core on produce electric charge, because the filter core has a large amount of fibre contact surface area, the quantity that produces electric charge can be very big, the static that the filter core produced promptly, static constantly accumulates, until voltage is enough high, when can overcome the resistance of surrounding medium to the surface discharge of lower electric potential and produce electric arc or electric spark, be exactly the discharge phenomenon of static, the too big fluid colour deepening that can lead to of static, ageing or fatlute scheduling problem, and the discharge phenomenon of static can make the filter core burn damage, influence the filter effect of filter core, and then influence the stability of filter.

Disclosure of Invention

In order to overcome the following problems in the prior art, in the process of filtering oil by the conventional filter, static electricity is easily generated by friction between the oil and the filter element to influence the quality of the oil, and the filter element is easily damaged by electrostatic discharge to influence the filtering effect of the filter; the utility model provides an anti-static filter, its characterized in that: the filter element component is positioned in the shell, the lower end of the filter element component is fixedly connected with the shell, the upper end of the filter element component is fixedly connected with the shell through the pressing device, the conductive device is wrapped outside the filter element component, and the upper end of the conductive device is contacted with the pressing device; the conducting device comprises two conducting strips and two connecting strips, the conducting strips are wrapped on the outer surface of the filter element part through the connecting strips and are in contact with the pressing device, and therefore static electricity generated by the filter element part is collected and is connected with the grounding device through the pressing device and the shell to achieve grounding.

On this basis, the conducting strip is netted part, including body and link, the link is located the upper end of body to stretch out the upper surface of body, the body parcel is at the surface of filter element part, the upper end and the closing device contact of link.

On the basis, the included angle between the connecting end and the body is B, and the included angle B ranges from 100 degrees to 170 degrees, so that elastic deformation exists between the connecting end and the body.

On the basis, the pressing device comprises an elastic device and a pressure plate component, the elastic device is located above the pressure plate component, the upper end of the elastic device is in contact with the inner surface of the shell, and the pressure plate component is located above the filter element component and used for pressing the filter element component.

On this basis, the clamp plate part includes layering and locating plate, the layering is middle to marginal radioactive arrangement, the locating plate is located the tip of layering radiation end, the layering contacts with filter core part, electrically conductive device, realizes the fixed and electrically conductive to the filter core part, locating plate and casing inner surface contact for to the radial direction location in filter core part upper end.

On this basis, the casing includes lamina tecti, barrel and oil extraction pipe, the lamina tecti is located the upper end of barrel, can dismantle fixed connection with the barrel, the oil extraction pipe is located the well lower part of barrel, runs through the inside and outside of barrel, with barrel fixed connection, filter core part is placed to the upper end of oil extraction pipe, two independent spaces are cut apart into with the oil extraction pipe cooperation in with the casing to filter core part.

On the basis, the barrel comprises an oil inlet and an oil baffle plate, the oil inlet is located in the middle of the barrel, the oil baffle plate is located inside the barrel and is opposite to the oil inlet, and oil in the oil inlet is prevented from directly impacting the filter element component.

On this basis, the oil drain pipe includes installation end and oil discharge end, installation end and oil discharge end link up each other to fixed connection, the installation end is located the inside of barrel, the oil discharge end runs through the inside and outside of barrel, with barrel fixed connection, the filter core part is placed to the upper end of installation end.

On this basis, the installation end includes the location boss, the location boss is located the upper surface of installation end, filter element part cover is established on the boss of location, has realized the radial location of filter element part lower extreme.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this device adopts the filter core part, closing device, electrically conductive device and casing complex mode, electrically conductive device collects the static that the filter core part produced and leads to through closing device, the casing is derived, utilize earthing device to realize reliable ground connection, thereby with the static discharge ground connection that the filter core part produced, avoid the too high fluid quality decline that leads to of filter core part static, perhaps discharge between filter core part and the casing leads to the damage of filter core part, the life of filter core part has been prolonged, the filtering performance of filter has been guaranteed.

2. This device electrically conductive device passes through conducting strip and connection piece cooperation, fixes electrically conductive device at the surface of filter core part, and the static of being convenient for collects to elastic deformation makes electrically conductive device and closing device reliably be connected between through link and the body, has improved the reliability of filter core part ground connection.

3. This device adopts filter core part, closing device and casing part cooperation, realizes the flexible fixation of filter core part, avoids the rigidity fixed filter core that leads to damage or rock the filter effect who influences filter core part to the filter core part passes through closing device and contacts with the casing all the time, thereby makes the electric installation contact with closing device all the time, and the reliability of static derivation is guaranteed indirectly, has improved the security of filter.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view taken along line A-A in FIG. 1;

FIG. 3 is a schematic structural view of a platen member according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a conductive device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a conductive sheet according to an embodiment of the present invention;

in the figure: 1. the device comprises a shell, 11, a top cover plate, 12, a barrel body, 121, an exhaust device, 122, an oil inlet, 123, an oil baffle plate, 124, a sewage outlet, 13, an oil discharge pipe, 131, a mounting end, 132, an oil discharge end, 2, a filter element part, 3, a pressing device, 31, an elastic device, 32, a pressing plate part, 321, a pressing strip, 322, a positioning plate, 4, a conductive device, 41, a conductive sheet, 411, a body, 412, a connecting end, 42, a connecting sheet, 5 and a grounding device,

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-5, the present invention schematically illustrates an anti-static filter.

The utility model discloses an anti-static filter, as shown in figure 1, comprising a shell 1, a filter element part 2, a compressing device 3, a conductive device 4 and a grounding device 5, wherein the filter element part 2 is positioned inside the shell 1, the lower end of the filter element part is fixedly connected with the shell 1, the upper end of the filter element part is fixedly connected with the shell 1 through the compressing device 3, the conductive device 4 is wrapped on the outer surface of the filter element part 2 and extends out of the upper end of the filter element part 2 to be contacted with the compressing device 3, the grounding device 5 is a grounding bolt and is positioned above the shell 1 and is fixedly connected with the shell 1, and is connected with the whole machine through a grounding wire to realize the reliable grounding of the shell 1, the device adopts the matching mode of the filter element part 2, the compressing device 3 and the conductive device 4, the conductive device 4 collects and guides the static generated by the filter element part 2 to the compressing device 3, and realizes the reliable grounding of, static electricity generated by the filter element part 2 is released and grounded, so that the influence of overhigh static electricity on the quality of oil is avoided, or the filter element part 2 is damaged by discharge between the filter element part 2 and the shell 1, the service life of the filter element part 2 is prolonged, and the performance of the filter is ensured; the shell 1 is of a cavity structure and comprises a top cover plate 11, a cylinder 12 and an oil discharge pipe 13, wherein the top cover plate 11 is positioned at the upper end of the cylinder 12 and fixedly connected with the cylinder 12 through bolts, so that the filter element component 2 is convenient to replace, and the oil discharge pipe 13 is positioned at the middle lower part of the cylinder 12, penetrates through the inside and the outside of the cylinder 12 and is fixedly connected with the cylinder 12; the top cover plate 11 is a flat plate part and is fixedly connected with the cylinder 12 through a bolt, and the upper end of the top cover plate 11 is provided with a grounding device 5 for grounding the shell 1; the barrel 12 is of a cover-free barrel structure, an outward flange flanging is arranged at the opening end of the upper end of the barrel 12 and is matched and connected with the top cover plate 11, an exhaust device 121 is arranged at the lower end, close to the flange flanging, of the barrel 12, the exhaust device 121 penetrates through the inside and the outside of the barrel 12, the upper end of the exhaust device 121 is close to the lower surface of the top cover plate 11, so that internal gas can be completely exhausted, an oil inlet 122 is arranged in the middle of the barrel 12 and is used for introducing oil to be filtered into the barrel 12, an oil baffle plate 123 is arranged at the position, close to the inside of the barrel 12, of the oil inlet 122, the oil baffle plate 123 is arc-shaped and is positioned on the inner side of the barrel 12 and covers the main oil inlet 122 and is used for dispersing the oil, the oil; the lower part of the cylinder body 12 is provided with a drain outlet 124, the drain outlet 124 is communicated with the cylinder body 12 and is used for removing impurities and oil stains in the cylinder body 12, and the normal operation is in a closed state; an oil discharge pipe 13 is arranged at the lower part of the cylinder body 12, the oil discharge pipe 13 penetrates through the inside and the outside of the cylinder body 12, the oil discharge pipe 13 comprises a mounting end 131 and an oil discharge end 132, the mounting end 131 and the oil discharge end 132 are mutually communicated and fixedly connected, the mounting end 131 is positioned in the cylinder body 12, the oil discharge end 132 penetrates through the inside and the outside of the cylinder body 12, a filter element component 2 is arranged at the upper end of the mounting end 131, the mounting end 131 is matched with the pressing device 3 to fix the height direction of the filter element component 2, a positioning boss is arranged on the upper surface of the mounting end 131, the filter element component 2 is sleeved, used for positioning the radial direction of the lower end of the filter element part 2, the middle part of the positioning lug boss is provided with a through hole which is communicated with the oil discharge end 132, the number of the positioning lug bosses is a plurality, according to the number of the filter element parts 2, the number of the positioning bosses and the number of the filter element parts 2 are preferably three in the embodiment, as shown in fig. 2; the oil discharge end 132 is of an arc-shaped bent pipe structure, the interior of the oil discharge end is communicated with the positioning boss, and the oil discharge end is used for discharging oil filtered by the filter element part 2 out of the filter, so that secondary sedimentation and accumulation of the filtered oil in the filter are avoided, and the performance of the filter is not affected; the filter element part 2 is of a barrel-shaped structure, one end of the filter element part is an open end, the other end of the filter element part is a closed end, the open end of the filter element part 2 is matched with the positioning boss of the mounting end 131 to divide the interior of the shell 1 into two cavities relative to the interior and the exterior of the filter element part 2, oil enters the filter element part 2 from the exterior of the filter element part 2 to complete filtration, and impurities in the oil are left in a space between the filter element part 2 and the shell 1; the upper part of the filter element part 2 is provided with a pressing device 3, the pressing device 3 comprises an elastic device 31 and a pressure plate part 32, the elastic device 31 is positioned above the pressure plate part 32, the upper part of the elastic device 31 is matched with the inner surface of the shell 1, the filter element part 2 is arranged below the pressure plate part 32, the elastic device 31 is a tubular spring and is vertically placed, the upper end of the elastic device is contacted with the inner surface of the shell 1, the lower end of the elastic device is contacted with the pressure plate part 32 and is used for pressing the pressure plate part 32 to realize the fixation of the filter element part 2 in the height direction, the pressure plate part 32 is a spoke type part with circumferential divergence, the pressure plate part 32 comprises a pressing strip 321 and a positioning plate 322, as shown in figure 3, the pressing strip 321 is radially arranged from the middle to the edge, the positioning plate 322 is positioned at the end part of the radial end of the pressing strip, the filter core component 2 is arranged in a manner of dispersing towards the circumference in the center, the pressing strip 321 is pressed at the upper end of the filter core component 2 and is used for fixing the filter core component 2 and contacting with the conductive device 4 and is used for guiding static electricity of the conductive device 4 to the shell 1 through the elastic device 31, the positioning plate 322 is a circular arc-shaped plate and is arranged perpendicular to the end part of the pressing strip 321, the positioning plate 322 is matched with the inner surface of the barrel 12 to position the upper end of the filter core component 2 in the radial direction, the filter effect is prevented from being influenced by the left and right shaking of the upper end of the filter core component 2, the pressing device 3 and the mounting end 131 are respectively positioned at the two ends of the; the outer surface of the filter element part 2 is wrapped with the conductive device 4, the conductive device 4 comprises two conductive sheets 41 and two connecting sheets 42, as shown in fig. 4, the connecting sheets 42 are hoops, the conductive sheets 41 are wrapped on the outer surface of the filter element part 2 through the connecting sheets 42 and used for introducing static electricity generated by the filter element part 2 to the shell 1, each conductive sheet 41 is a mesh part and is made of a mesh plate, the shape of each conductive sheet is roughly circular arc, the conductive sheet is wrapped on the outer surface of the filter element part 2, each conductive sheet 41 comprises a body 411 and a connecting end 412, as shown in fig. 5, the inner surface of the body 411 is in contact with the outer surface of the filter element part 2 and used for collecting the static electricity on the filter element part 2, the connecting end 412 is positioned at the upper end of the body 411 and is higher than the upper surface of the body 411 and is in contact with the pressing strip 321 and used for grounding the, the included angle B is 100-170 degrees, so that the connecting end 412 and the body 411 keep certain elastic deformation, the contact reliability of the connecting end 412 and the pressing device 3 is improved, and the grounding stability of the filter element component 2 is ensured.

Principle of operation

The static electricity generated on the filter element component 2 is gathered together by the conducting strips 41 on the conducting device 4, and the filter element component 2 is reliably grounded and the static electricity generated on the filter element component 2 is released by connecting the compressing device 3, the shell 1 and the grounding device 5.

The device adopts the matching mode of the filter element part 2, the pressing device 3, the conductive device 4, the shell 1 and the grounding device 5, the conductive device 4 collects the static electricity generated by the filter element part 2 and leads out the static electricity through the pressing device 3 and the shell 1, the grounding device 5 is utilized to realize reliable grounding, thereby discharging the static electricity generated by the filter element part 2, avoiding the oil liquid quality reduction caused by overhigh static electricity of the filter element part 2, or the discharge between the filter element part 2 and the shell 1 causes the damage of the filter element part, prolongs the service life of the filter element part 2, and the conductive device 4 is matched with the connecting sheet 42 through the conductive sheet 41, so that the conductive device 4 is fixed on the outer surface of the filter element part 2, the static electricity is convenient to collect, meanwhile, the conductive device 4 is reliably connected with the pressing device 3 through elastic deformation between the connecting end 412 and the body 411, so that the grounding reliability of the filter element component 2 is improved; through filter element part 2 once more, closing device 3 and the cooperation of 1 part of casing, realize the flexible fixed of filter element part 2, avoid the rigidity fixed filter element part 2 that leads to damage or rock the filter effect who influences filter element part 2, and filter element part 2 passes through closing device 3 and contacts with casing 1 all the time, thereby make electrically conductive device 4 contact with closing device 3 all the time, guarantee the reliability that filter element part 2 static was derived indirectly, the security of filter has been improved.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An anti-static filter, characterized in that: the filter core component comprises a shell (1), a filter core component (2), a pressing device (3), a conductive device (4) and a grounding device (5), wherein the grounding device (5) is positioned at the upper end of the shell (1) and fixedly connected with the shell (1) to enable the shell (1) to be reliably grounded, the filter core component (2) is positioned inside the shell (1), the lower end of the filter core component is fixedly connected with the shell (1), the upper end of the filter core component is fixedly connected with the shell (1) through the pressing device (3), the conductive device (4) is wrapped outside the filter core component (2), and the upper end of the conductive device is contacted with the pressing device (3); the conducting device (4) comprises two conducting strips (41) and two connecting strips (42), the outer surface of the filter element component (2) is wrapped by the connecting strips (42) and is in contact with the pressing device (3), and therefore static electricity generated by the filter element component (2) is collected and is connected with the grounding device (5) through the pressing device (3) and the shell (1) to achieve grounding.

2. An antistatic filter as claimed in claim 1 wherein: the conducting strip (41) is a net-shaped part and comprises a body (411) and a connecting end (412), the connecting end (412) is located at the upper end of the body (411) and extends out of the upper surface of the body (411), the body (411) is wrapped on the outer surface of the filter element component (2), and the upper end of the connecting end (412) is in contact with the pressing device (3).

3. An antistatic filter as claimed in claim 2 wherein: the included angle between the connecting end (412) and the body (411) is B, and the included angle B ranges from 100 degrees to 170 degrees, so that elastic deformation exists between the connecting end (412) and the body (411).

4. An antistatic filter as claimed in claim 1 wherein: the pressing device (3) comprises an elastic device (31) and a pressure plate component (32), the elastic device (31) is located above the pressure plate component (32), the upper end of the elastic device (31) is in contact with the inner surface of the shell (1), and the pressure plate component (32) is located above the filter element component (2) and used for pressing the filter element component (2).

5. An antistatic filter as claimed in claim 4 wherein: the utility model discloses a filter core component, including filter core component (2), pressure plate part (32), layering (321) are the end of layering (321) radiation end, and the layering (321) are located the end of layering (321) radiation end, layering (321) and filter core component (2), electrically conductive device (4) contact, realize the fixed and electrically conductive to filter core component (2), locating plate (322) and casing (1) interior surface contact for fix a position filter core component (2) upper end radial direction.

6. An antistatic filter as claimed in claim 5 wherein: casing (1) is including lamina tecti (11), barrel (12) and oil extraction pipe (13), lamina tecti (11) are located the upper end of barrel (12), can dismantle fixed connection with barrel (12), oil extraction pipe (13) are located the well lower part of barrel (12), run through the inside and outside of barrel (12), with barrel (12) fixed connection, filter core part (2) are placed to the upper end of oil extraction pipe (13), two independent spaces are cut apart into with casing (1) in filter core part (2) and the cooperation of oil extraction pipe (13).

7. An antistatic filter as claimed in claim 6 wherein: the filter element is characterized in that the barrel (12) comprises an oil inlet (122) and an oil baffle plate (123), the oil inlet (122) is located in the middle of the barrel (12), the oil baffle plate (123) is located inside the barrel (12) and is opposite to the oil inlet (122), and oil in the oil inlet (122) is prevented from directly impacting the filter element component (2).

8. An antistatic filter as claimed in claim 6 wherein: oil drain pipe (13) are including installation end (131) and oil extraction end (132), installation end (131) and oil extraction end (132) link up each other to fixed connection, installation end (131) are located the inside of barrel (12), oil extraction end (132) run through the inside and outside of barrel (12), with barrel (12) fixed connection, filter core part (2) are placed to the upper end of installation end (131).

9. An antistatic filter as claimed in claim 8 wherein: the mounting end (131) comprises a positioning boss, the positioning boss is located on the upper surface of the mounting end (131), the filter element part (2) is sleeved on the positioning boss, and radial positioning of the lower end of the filter element part (2) is achieved.