CN109162991B - Fluid pipeline filter and clutch with same - Google Patents
Fluid pipeline filter and clutch with same Download PDFInfo
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- CN109162991B CN109162991B CN201811050781.XA CN201811050781A CN109162991B CN 109162991 B CN109162991 B CN 109162991B CN 201811050781 A CN201811050781 A CN 201811050781A CN 109162991 B CN109162991 B CN 109162991B
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- 239000012530 fluid Substances 0.000 title claims abstract description 75
- 238000001914 filtration Methods 0.000 claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000006748 scratching Methods 0.000 abstract description 3
- 230000002393 scratching effect Effects 0.000 abstract description 3
- 230000008676 import Effects 0.000 description 15
- 238000001746 injection moulding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000011217 control strategy Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a fluid pipeline filter, which comprises a support piece, a flow guide body and a filter piece, wherein the support piece is used for being matched with the inner wall of a fluid pipeline, the support piece is connected with the flow guide body, a flow guide channel is formed in the flow guide body, the filter piece is arranged in the flow guide channel, a plurality of first filter holes are formed in the filter piece, and an included angle of more than 30 degrees is formed between the movement direction of fluid flowing through the first filter holes and the axial direction of the flow guide channel. The fluid pipeline filter has the advantages of compact structure, small volume, large effective filtering area, applicability to various pipelines and strong practicability. The fluid pipeline filter is applied to the oil inlet hose of the clutch, can block larger foreign matters out of the clutch, prevents the foreign matters from scratching a sealing ring of the clutch, realizes the protection of the clutch, improves the stability of a clutch system, has lower cost and is easy to implement.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a fluid pipeline filter and a clutch with the same.
Background
In the quality complaint after the whole vehicle is sold, the leakage failure rate of the clutch master cylinder is high, particularly the leakage failure rate is prominent in the vehicle type with a weaker seal ring of the clutch master cylinder, and in the failure recurrence analysis, the foreign matters causing the damage of the seal ring of the clutch master cylinder are mainly sand, scrap iron and the like with the size of more than or equal to 500 mu m, mainly come from brake fluid, and how to effectively control the foreign matters with the size of more than or equal to 500 mu m to enter the clutch master cylinder on the premise of increasing the cost by a small amount is a problem to be solved.
The oil inlet pipe of the clutch master cylinder is a channel for supplying oil to the clutch master cylinder by the brake oil can and is also a main channel for foreign matters to enter the clutch master cylinder. The direct intercommunication of pipeline between traditional MT motorcycle type braking oilcan and the separation and reunion master cylinder leads to the great foreign matter of size to advance the oil pipe through the master cylinder and get into inside the separation and reunion master cylinder to the foreign matter entering separation and reunion master cylinder, causes separation and reunion master cylinder sealing washer fish tail oil leak. In order to solve the problem that the clutch master cylinder is damaged by foreign matters, the existing control strategy is to improve the cleanliness management and control in the assembling process of a clutch system, a brake system, brake fluid and a whole vehicle, but the control strategy has little effect due to the fact that the related range is too wide, a large amount of cost is consumed.
In view of the foregoing, it is desirable to design a fluid pipeline filter and a clutch having the same, wherein the fluid pipeline is specifically an oil inlet hose of the clutch.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a filter and a clutch with the filter.
In order to solve the technical problems in the background technology, the invention adopts the technical scheme that: the utility model provides a fluid pipeline filter, includes support piece, baffle and filtering piece, support piece be used for with fluid pipeline's inner wall cooperation, so that the filter is fixed in the fluid pipeline, support piece with the one end of baffle is connected, be formed with the water conservancy diversion passageway in the baffle, filter the piece set up in the water conservancy diversion passageway, filter and be provided with a plurality of first filtration holes on the piece, flow through first filtration hole the fluid direction of motion with the axis direction of water conservancy diversion passageway is formed with the contained angle that is greater than 30.
By adopting the structure, the fluid flows into the flow guide channel and flows out through the first filtering hole of the filtering piece, the filter has the advantages of compact structure, good stability, small size and larger effective filtering area, can be applied to filtering the fluid in various pipelines, and has strong practicability.
Specifically, the pore diameter of the filter pores is less than 500 μm.
Furthermore, the baffle is arranged at one end, away from the support piece, of the flow guide body, the baffle, the filtering piece and the inner wall of the flow guide channel are enclosed to form a filtering cavity, preferably, the baffle is provided with a plurality of second filtering holes, and the effective filtering area of the filter is further increased.
Preferably, the plane of the filter element is consistent with the flow guiding direction of the flow guiding body.
Preferably, the plane of the filter element is at a certain angle to the flow guiding direction of the flow guiding body, that is, the filter element is obliquely arranged, so that the effective filtering area is further increased, and the filter element helps to prevent foreign matters from being attached to the surface of the filter element to cause blockage.
Preferably, support piece is round platform shape, be formed with inlet channel in the support piece, inlet channel's one end with water conservancy diversion passageway intercommunication.
Specifically, the one end that the support piece diameter is little with the baffle body is connected, the import has been seted up to the one end that the support piece diameter is big, inlet channel's one end with water conservancy diversion passageway intercommunication, inlet channel's the other end with the import intercommunication.
Specifically, inlet channel is the variable cross section passageway, inlet channel is close to the diameter of the one end of import is greater than inlet channel is close to the diameter of the one end of water conservancy diversion passageway, the preferred, be equipped with a plurality of third filtration pores on the lateral wall of inlet channel changeover portion, further increased the effective filter area of filter. When fluid enters the liquid inlet channel from the inlet, the fluid flows from the end with the larger diameter of the liquid inlet channel to the end with the smaller diameter, the flow speed is increased, and the filtering efficiency is improved.
Preferably, the transition section is an inclined surface transition, and a plurality of third filtering holes are formed in the inclined surface.
Preferably, the changeover portion is the step transition, the step is located filter out fluidic one side, the step includes first step face and second step face, first step face is relative with inlet channel's feed liquor direction, second step face parallels with inlet channel's feed liquor direction, be equipped with a plurality ofly on the first step face the third filters the hole.
By adopting the structure, the fluid pipeline filter is ingenious in structure and provided with a plurality of filtering surfaces, including the filtering surface of the filtering piece, the filtering surface of the baffle and the transition section filtering surface of the liquid inlet channel, so that the effective filtering area of the filter is obviously increased, the filtering speed is increased, and the filtering effect is improved.
Preferably, the filtering piece is a filtering plate, and a plurality of first filtering holes are uniformly distributed on the filtering plate.
Preferably, the filter element comprises a plurality of transverse ribs and a plurality of longitudinal ribs, and the plurality of transverse ribs and the plurality of longitudinal ribs are mutually staggered to form the plurality of first filter holes. The filtering piece of the structure is formed by injection molding and the flow guide body in an integrated mode, the manufacturing process is simple, the production efficiency is high, the structure of the filter is enabled to be better and stable, and the size of the filtering hole is more accurate.
Preferably, the filter element is a filter mesh.
Further, at least one support plate is arranged on the side of the filter element, which is out of the fluid, preferably the support plate is perpendicular to the filter element, and the bottom of the support plate is flush with the outer wall of the support element.
Specifically, the one end that the backup pad kept away from support piece is equipped with the chamfer, and is convenient the assembly of filter.
Specifically, the cross section of the flow guide body is arc-shaped or circular, and the diameter of the flow guide body is not larger than that of the support piece.
Preferably, the cross-section of baffle is the semicircle, the baffle with the diameter of the one end that support piece is connected equals, just the link of baffle with support piece's partial circle is laminated mutually, filter set up in the bottom surface of baffle, filter with the water conservancy diversion passageway inner wall encloses and closes and form the filter chamber.
Preferably, the flow guiding body is in a circular tube shape, the diameter of one end of the flow guiding body, which is connected with the supporting piece, is equal, the filtering piece is positioned in the flow guiding channel, and the filtering piece and the inner wall of the flow guiding channel are enclosed to form a filtering cavity.
Preferably, the filter is integrally formed by injection molding.
Specifically, the filter is made of plastic or metal.
Preferably, the filter is used in a pipe of a fuel system, a hydraulic system or an air system.
Preferably, the filter is used in a duct on a vehicle.
The invention also provides a clutch, which comprises a fluid pipeline, wherein the filter is arranged in the pipeline.
Specifically, the filter support piece is round platform shape, the diameter of the one end that the support piece diameter is big is greater than the internal diameter of pipeline, the import has been seted up to the one end that the support piece diameter is big, support piece the import with the import of pipeline is relative, support piece the import with inlet channel's one end intercommunication, inlet channel's the other end with water conservancy diversion passageway intercommunication. The diameter of the end with the large diameter of the supporting piece is larger than the inner diameter of the pipeline, namely the supporting piece is in interference fit with the pipeline, so that the filter is not easy to move in the pipeline and is more stable to mount.
Preferably, the conduit is a conduit for a fuel system, a hydraulic system or an air system.
Preferably, the duct is a duct for use on a vehicle.
Specifically, the conduit is a clutch oil feed hose. The filter in the oil inlet hose can be outside the clutch with great foreign matter separation to avoid the foreign matter fish tail clutch sealing washer, realize the protection to the clutch, improve clutch system stability, compare with traditional control strategy, the cost is lower, easily carries out, and improvement effect is better.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art 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 to obtain other drawings without creative efforts.
FIG. 1 is a perspective view of a filter from one perspective in an embodiment of the invention;
FIG. 2 is a perspective view of another perspective of a filter in an embodiment of the invention;
FIG. 3 is a side view of a filter in an embodiment of the invention;
FIG. 4 is a bottom view of a filter in an embodiment of the invention;
FIG. 5 is a schematic illustration of a clutch oil feed hose with a filter in an embodiment of the present invention;
FIG. 6 is a diagram of the structure of a clutch oil feed hose with a filter and associated components in an embodiment of the present invention;
FIG. 7 is an enlarged partial schematic view at A of FIG. 5;
FIG. 8 is a schematic diagram of the operation of a clutch oil feed hose with a filter in an embodiment of the present invention;
FIG. 9 is a schematic diagram of the structure of the liquid inlet passage in the embodiment of the invention when the transition section is an inclined surface transition;
fig. 10 is a schematic view of an embodiment of the invention with the filter elements in an inclined arrangement.
Wherein the reference numerals in the figures correspond to: 1-supporting piece, 11-liquid inlet channel, 12-step, 121-first step surface, 122-second step surface, 13-inclined surface, 2-flow guide body, 21-chamfer, 3-baffle, 4-filter piece, 41-transverse rib, 42-longitudinal rib, 43-supporting plate, 51-first filter hole, 52-second filter hole, 53-third filter hole, 6-flow guide channel, 61-filter cavity, 7-oil inlet hose, 8-filter, 9-brake oil pot oil outlet and 10-clutch oil inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the present embodiment provides a fluid pipeline filter, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, including a support member 1, a flow guiding body 2 and a filtering member 4, where the support member 1 is used for cooperating with an inner wall of a fluid pipeline, so that the filter is fixed in the fluid pipeline, the support member 1 is connected to the flow guiding body 2, a flow guiding channel 6 is formed in the flow guiding body 2, the filtering member 4 is disposed in the flow guiding channel 6, the filtering member 4 is provided with a plurality of first filtering holes 51, and a moving direction of a fluid flowing through the first filtering holes 51 forms an included angle greater than 30 ° with an axial direction of the flow guiding channel 6. Wherein the moving direction of the fluid passing through the first filter hole 51 is identical to the axial direction of the first filter hole 51.
The shape of the first filtering hole 51 is rectangular, circular or other shapes. The fluid flows into the flow guide channel 6 and flows out through the filter element 4, and the filter has compact structure, small volume and larger effective filtering area.
In this embodiment, one end of the flow guiding body 2, which is far away from the supporting member 1, is provided with a baffle 3, the filtering member 4 and the inner wall of the flow guiding channel 6 enclose to form a filtering cavity 61, the baffle 3 is provided with a plurality of second filtering holes 52, so that the effective filtering area of the filter is further increased.
In some embodiments, the transition section is a tilted surface 13, as shown in fig. 9, the tilted surface 13 is located on the fluid outlet side of the filtering element 4, the tilted surface 13 is provided with a plurality of third filtering holes 53, when the transition section is the tilted surface 13, the area of the filtering surface of the transition section is larger, and the transition of the tilted surface 13 can effectively reduce the resistance of the fluid flowing from the inlet channel 11 to the filtering cavity 61.
The filter of this embodiment has a plurality of filter surfaces, including the filter surface of filtering 4, the filter surface of baffle 3 and the filter surface of the 11 changeover portion of inlet channel, makes the effective filtration area of filter show the increase under the condition that does not increase filter volume, and compact structure promotes filtration rate, improves the filter effect.
The cross section of the current carrier 2 may be arc-shaped or circular, and the diameter of the current carrier 2 is not greater than the diameter of the support member 1. In this embodiment, the cross-section of baffle 2 is the semicircle, baffle 2 with the diameter of the one end that support piece 1 is connected equals, just the link of baffle 2 with support piece 1's part circle is laminated mutually, preferably, baffle 2's link with support piece 1's last semicircle part is laminated, baffle 2 keeps away from support piece 1's one end is equipped with chamfer 21, and is convenient the assembly of filter. The filter element 4 is horizontally arranged at the bottom of the flow guiding body 2, that is, the plane where the filter element 4 is located is consistent with the flow guiding direction of the flow guiding body 2, the axial direction of the first filter hole 51 is perpendicular to the axial direction of the flow guiding channel 6, that is, the moving direction of the fluid flowing through the first filter hole 51 forms an included angle of 90 degrees with the axial direction of the flow guiding channel 6; baffle 3 for with baffle 2 matched with is semi-circular, baffle 3 set up in baffle 2 keeps away from support piece 1's one end, filter 4 baffle 3 with the inner wall of water conservancy diversion passageway 6 encloses to close and forms filter chamber 61.
In some embodiments, the plane of the filter element 4 is at an angle to the flow guiding direction of the flow guiding body 2, as shown in fig. 10, the filter element 4 is disposed obliquely to the incoming flow direction, so as to increase the volume of the flow guiding channel 6 and further increase the effective filtering area, which helps to prevent foreign matters from adhering to the surface of the filter element 4 to cause blockage, thereby improving the filtering efficiency; the included angle formed by the axial direction of the first filtering holes 51 on the filtering member 4 and the axial direction of the flow guide channel 6 is a, and the included angle a is larger than 30 degrees, namely, the included angle formed by the movement direction of the fluid flowing through the first filtering holes 51 and the axial direction of the flow guide channel 6 is larger than 30 degrees. Preferably, in another embodiment, the included angle a is 45 °. Preferably, in other embodiments, the included angle a is 60 ° to 90 °, preferably 60 °.
In this embodiment, the filtering member 4 includes a plurality of transverse ribs 41 and a plurality of longitudinal ribs 42, and the plurality of transverse ribs 41 and the plurality of longitudinal ribs 42 are staggered with each other to form a plurality of first filtering holes 51. The filtration piece 4 of this structure adopt injection moulding with baffle 2 integrated into one piece, and manufacturing process is simple, and production efficiency is high, and makes the better stability of structure of filter, and the size of first filtration hole 51 is more accurate. Preferably, in this embodiment, the number of the longitudinal ribs 42 is 3, the number of the transverse ribs 41 is 7, 3 the longitudinal ribs 42 are uniformly arranged at intervals, the transverse ribs 41 are perpendicular to the longitudinal ribs 42, 7 the transverse ribs 41 are uniformly arranged along the longitudinal ribs 42 at intervals in the length direction and intersect with the longitudinal ribs 42. Of course, the number and arrangement of the longitudinal ribs 42 and the transverse ribs 41 may be changed according to actual requirements.
Preferably, the side of the filtering element 4 remote from the outlet flow, i.e. from the filtering chamber 61, is provided with at least one support plate 43, the support plate 43 being perpendicular to the filtering element 4 and the bottom of the support plate 43 being flush with the outer wall of the support element 1. One end of the supporting plate 43, which is far away from the supporting piece 1, is provided with a chamfer, so that the filter is convenient to assemble. In this embodiment, the number of the supporting plates 43 is one, the top surface of the supporting plate 43 is connected to the filtering member 4, and the top surface of the supporting plate 43 overlaps the longitudinal rib 42 located at the center of the filtering member 4, so that the filtering function of the filtering hole 5 is not affected.
In some embodiments, the filter member 4 is a filter plate, and a plurality of filter holes 5 are uniformly distributed on the filter plate. The filter plate and the flow guide body 2 are integrally formed, and can be connected with the flow guide body 2 through welding and other modes.
In some embodiments, the filter element 4 is a filter net, and the filter net can be connected to the flow guiding body 2 by welding, snap connection, high-pressure snap connection, or the like.
In some embodiments, the filtering surface on the filtering member 4 is an arc-shaped surface, which further increases the effective filtering area compared to a flat surface.
The filter in this embodiment is integrally formed by injection molding, and the filter is made of plastic, but may be made of metal or the like. The filter can be used in the pipeline of fuel system, hydraulic system or air system, because the filter is small, effective filtration area is big, need not to increase the internal diameter size of pipeline can with the filter installation is gone into in the pipeline, makes the pipeline possess filtering capability, consequently is applicable to multiple pipeline, and with low costs, and the practicality is strong, easily batch production.
Example two
The invention also provides a clutch with a filtering function, which comprises a fluid pipeline, wherein the fluid pipeline filter 8 in the first embodiment is arranged in the pipeline, and the pipeline is a clutch oil inlet hose 7. As shown in fig. 5, 6 and 7, one end of the oil inlet hose 7 is connected to an oil outlet 9 of the brake oil can, the other end of the oil inlet hose 7 is connected to an oil inlet 10 of the clutch, the filter is disposed in one end of the oil inlet hose 7 close to the oil outlet 9 of the brake oil can, of course, the filter 8 may also be disposed at other positions in the oil inlet hose 7.
The filter 8 is through injection moulding integrated into one piece, filter 8 includes support piece 1, baffle 2 and filters piece 4, support the lateral wall of section with the inner wall laminating of oil feed hose 7, so that the filter is fixed in the oil feed hose 7, support piece 1 with the one end of baffle 2 is connected, be formed with water conservancy diversion passageway 6 in the baffle 2, filter piece 4 set up in the water conservancy diversion passageway 6, filter and be provided with a plurality of first filtration pores 51 on 4, flow through first filtration pore 51's fluid direction of motion with the axis direction of water conservancy diversion passageway 6 is formed with the contained angle that is greater than 30. Wherein the moving direction of the fluid passing through the first filter hole 51 is identical to the axial direction of the first filter hole 51.
The baffle 2 is kept away from the one end of support piece 1 is provided with baffle 3, baffle 3 filter 4 with 6 inner walls of water conservancy diversion passageway enclose and close and form filter chamber 61, be equipped with a plurality of second filtration pores 52 on the baffle 3, further increased the effective filter area of filter 8. Preferably, the shape of the filter holes is rectangular, circular or other shapes. The fluid flows into the flow guide channel 6 and flows out through the filter element 4, and the filter 8 has a compact structure, a small volume and a large effective filtering area.
The diameter of the end, close to the inlet, of the liquid inlet channel 11 is larger than the diameter of the end, close to the flow guide channel 6, of the liquid inlet channel 11. When fluid enters the liquid inlet channel 11 from the inlet, the fluid flows from the end with the larger diameter of the liquid inlet channel 11 to the end with the smaller diameter, the flow speed is increased, and the filtering efficiency is improved. Preferably, the liquid inlet channel 11 is a variable cross-section channel, and the side wall of the transition section of the liquid inlet channel 11 is provided with a plurality of third filtering holes 53, so that the effective filtering area of the filter 8 is further increased. In this embodiment, the filter segment is the transition of step 12, step 12 is located filter 4 keeps away from one side of filter chamber 61, step 12 includes first step face 121 and second step face 122, first step face 121 is relative with inlet channel 11's feed liquor direction, be equipped with a plurality ofly on the first step face 121 the third filters hole 53, second step face 122 parallels with inlet channel 11's feed liquor direction, second step face 122 with filter 4 and connect. After the fluid enters the liquid inlet channel 11, a part of the fluid flows into the flow guide channel 6 and enters the filter cavity 61, and then flows out of the first filter holes 51 on the filter element 4, and another part of the fluid flows out of the third filter holes 53 on the first step surface 121, wherein the fluid flowing out of the third filter holes 53 on the first step surface 121 flows on the side of the filter element 4 away from the filter cavity 61, the pressure on the side of the filter element 4 away from the filter cavity 61 is reduced, so that the flow rate of the fluid flowing out of the first filter holes 51 on the filter element 4 can be increased, and the filtration rate can be increased.
In some embodiments, the transition section is a tilted surface 13, as shown in fig. 9, the tilted surface 13 is located on a side of the filtering element 4 away from the filtering cavity 61, the tilted surface 13 is provided with a plurality of third filtering holes 53, when the transition section is a tilted surface 13, the area of the filtering surface of the transition section is larger, and the transition of the tilted surface 13 can effectively reduce the resistance of the fluid flowing from the inlet channel 11 to the guide channel 6.
The filter 8 in this embodiment oil feed hose 7 has a plurality of filtering surfaces, including the filtering surface of filtering piece 4, the filtering surface of baffle 3 and the filtering surface of the 11 changeover portion of inlet channel, makes the effective filter area of filter show the increase under the condition that does not increase 8 volumes of filter, compact structure promotes filtration rate, improves the filter effect.
The cross section of the current carrier 2 may be arc-shaped or circular, and the diameter of the current carrier 2 is not greater than the diameter of the support member 1. In this embodiment, the cross-section of baffle 2 is the semicircle, baffle 2 with the diameter of the one end that support piece 1 is connected equals, just the link of baffle 2 with support piece 1's last semicircle part laminating, baffle 2 keeps away from support piece 1's one end is equipped with chamfer 21, and is convenient filter 8's assembly. The filter element 4 is horizontally arranged at the bottom of the flow guiding body 2, that is, the plane where the filter element 4 is located is consistent with the flow guiding direction of the flow guiding body 2, the axial direction of the first filter hole 51 is perpendicular to the axial direction of the flow guiding channel 6, that is, the moving direction of the fluid flowing through the first filter hole 51 forms an included angle of 90 degrees with the axial direction of the flow guiding channel 6; baffle 3 for with baffle 2 matched with is semi-circular, baffle 3 set up in baffle 2 keeps away from support piece 1's one end, filter 4 the inner wall of water conservancy diversion passageway 6 with baffle 3 interconnect encloses to close and has formed filter chamber 61.
In some embodiments, the plane of the filter element 4 is at an angle to the flow guiding direction of the flow guiding body 2, as shown in fig. 10, the filter element 4 is disposed obliquely to the incoming flow direction, so as to increase the volume of the flow guiding channel 6 and further increase the effective filtering area, which helps to prevent foreign matters from adhering to the surface of the filter element 4 to cause blockage, thereby improving the filtering efficiency; the included angle formed by the axial direction of the first filtering holes 51 on the filtering member 4 and the axial direction of the flow guide channel 6 is a, and the included angle a is larger than 30 degrees, namely, the included angle formed by the movement direction of the fluid flowing through the first filtering holes 51 and the axial direction of the flow guide channel 6 is larger than 30 degrees. Preferably, in another embodiment, the included angle a is 45 °. Preferably, in other embodiments, the angle a is 60 ° to 90 °, preferably 70 °.
In this embodiment, the filtering member 4 includes a plurality of transverse ribs 41 and a plurality of longitudinal ribs 42, and the plurality of transverse ribs 41 and the plurality of longitudinal ribs 42 are staggered with each other to form a plurality of first filtering holes 51. The filtration piece 4 of this structure adopt injection moulding with baffle 2 integrated into one piece, and manufacturing process is simple, and production efficiency is high, and makes the better stability of structure of filter, and the size of first filtration hole 51 is more accurate. Preferably, in this embodiment, the number of the longitudinal ribs 42 is 3, the number of the transverse ribs 41 is 7, 3 the longitudinal ribs 42 are uniformly arranged at intervals, the transverse ribs 41 are perpendicular to the longitudinal ribs 42, 7 the transverse ribs 41 are uniformly arranged along the longitudinal ribs 42 at intervals in the length direction and intersect with the longitudinal ribs 42. Of course, the number and arrangement of the longitudinal ribs 42 and the transverse ribs 41 may be changed according to actual requirements.
The lateral wall of baffle 2 with the inner wall of oil feed hose 7 is laminated mutually, it keeps away from to filter 4 one side of filter chamber 61 is equipped with at least one backup pad 43, backup pad 43 perpendicular to filter 4, just the bottom of backup pad 43 with the outer wall of support piece 1 flushes mutually and supports on the inner wall of oil feed hose 7, thereby supports baffle 2 baffle 3 with filter 4 encloses the filter chamber 61 that closes the formation. One end of the supporting plate 43, which is far away from the supporting piece 1, is provided with a chamfer, so that the filter 8 is convenient to assemble. In this embodiment, the number of the supporting plates 43 is one, the top surface of the supporting plate 43 is connected to the filtering member 4, and the top surface of the supporting plate 43 overlaps the longitudinal rib 42 located at the center of the filtering member 4, so that the filtering function of the filtering hole 5 is not affected.
The working principle of the oil inlet hose 7 with the filter in this embodiment is shown in fig. 8, the arrow in the figure indicates the flow direction of the brake fluid from the oil outlet 9 of the brake oil can, the brake fluid enters the inlet channel 11 through the inlet of the support member 1 and flows out through the filter holes on the three filter surfaces, and a part of the brake fluid flows out from the side of the filter member 4 away from the filter cavity 61 through the third filter hole 53 on the transition section side wall of the inlet channel 11; the other part of the brake fluid flows into the filter chamber 61 of the flow guide channel 6 and is divided into two parts to respectively flow out from the first filter holes 51 on the filter elements 4 and the second filter holes 52 on the baffle 3. In the embodiment, the aperture of the filtering hole is smaller than 500 μm, and impurities with the size larger than 500 μm in the brake fluid are blocked outside the clutch, so that the foreign matters are prevented from scratching a sealing ring of the clutch, the clutch is protected, and the stability of a clutch system is improved.
Example three:
the filter in this embodiment is basically the same as the filter in the first embodiment in structure, except that the flow guiding body 2 is in a circular tube shape (not shown), a flow guiding channel 6 is formed in the flow guiding body 2, one end of the flow guiding body 2 is connected with the supporting member 1, the diameter of the end of the flow guiding body 2 connected with the supporting member 1 is equal, the other end of the flow guiding body 2 is provided with a baffle 3, the baffle 3 is provided with a plurality of filtering holes 5, the baffle 3 is perpendicular to the incoming flow direction of the flow guiding body 2, in other embodiments, the baffle 3 may also form a certain inclination angle with the incoming flow direction of the flow guiding body 2, so as to increase the effective filtering area of the baffle 3; it is located to filter piece 4 in water conservancy diversion passageway 6, filter piece 4 with water conservancy diversion passageway 6's inner wall connection, the edge of baffle 3 respectively with water conservancy diversion passageway 6's inner wall with filter piece 4 and connect, promptly filter piece 4 baffle 3 with water conservancy diversion passageway 6's inner wall encloses and closes and form filter chamber 61.
The side of the filtering element 4 far away from the filtering cavity 61 is provided with at least one supporting plate 43, the supporting plate 43 is perpendicular to the filtering element 4, and the bottom of the supporting plate 43 abuts against the inner wall of the flow guiding channel 6, so as to support the filtering cavity 61 formed by the flow guiding body 2, the baffle 3 and the filtering element 4.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A fluid line filter comprising
A support (1), the support (1) being adapted to cooperate with an inner wall of a fluid conduit;
the flow guide body (2) is connected with the support piece (1), and a flow guide channel (6) is formed in the flow guide body (2);
the filtering piece (4), the filtering piece (4) is arranged in the flow guide channel (6), and a plurality of first filtering holes (51) are formed in the filtering piece (4);
the method is characterized in that:
the movement direction of the fluid flowing through the first filtering holes (51) and the axial direction of the flow guide channel (6) form an included angle of more than 30 degrees;
a baffle (3) is arranged at one end of the flow guide body (2) far away from the support piece (1), the baffle (3), the filter piece (4) and the inner wall of the flow guide channel (6) are enclosed to form a filter cavity (61), and a plurality of second filter holes (52) are formed in the baffle (3);
be formed with inlet channel (11) in support piece (1), the one end of inlet channel (11) with water conservancy diversion passageway (6) intercommunication, inlet channel (11) are the variable cross section passageway, be equipped with a plurality of third filtration pores (53) on the lateral wall of inlet channel (11) changeover portion.
2. The fluid line filter of claim 1, wherein: the supporting piece (1) is in a circular truncated cone shape.
3. The fluid line filter of claim 2, wherein: the diameter of one end, close to the inlet, of the liquid inlet channel (11) is larger than the diameter of one end, close to the flow guide channel (6), of the liquid inlet channel (11).
4. The fluid line filter of claim 3, wherein: the changeover portion is the step transition, step (12) are including first step face (121) and second step face (122), first step face (121) are relative with the feed liquor direction of inlet channel (11), second step face (122) parallel with the feed liquor direction of inlet channel (11), be equipped with a plurality ofly on first step face (121) the third filters the hole.
5. The fluid line filter of claim 1, wherein: the filtering piece (4) comprises a plurality of transverse ribs (41) and a plurality of longitudinal ribs (42), and the transverse ribs (41) and the longitudinal ribs (42) are mutually staggered to form a plurality of first filtering holes (51).
6. The fluid line filter of claim 1, wherein: the cross section of the flow guide body (2) is arc-shaped or circular, and the diameter of the flow guide body (2) is not larger than that of the support piece (1).
7. The fluid line filter of claim 6, wherein: the cross-section of baffle (2) is the semicircle, baffle (2) with the diameter of the one end that support piece (1) is connected equals, the link of baffle (2) with the part circle of support piece (1) is laminated mutually, filter piece (4) set up in the bottom surface of baffle (2), filter piece (4) with flow guide channel (6) inner wall encloses and closes and form filter chamber (61).
8. The fluid line filter of claim 1, wherein: at least one supporting plate (43) is arranged on the fluid outlet side of the filtering piece (4), the supporting plate (43) is perpendicular to the filtering piece (4), and the bottom of the supporting plate (43) is flush with the outer wall of the supporting piece (1).
9. A clutch comprising a fluid conduit, characterized in that: a fluid conduit filter according to any one of claims 1 to 8 disposed within the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050781.XA CN109162991B (en) | 2018-09-10 | 2018-09-10 | Fluid pipeline filter and clutch with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050781.XA CN109162991B (en) | 2018-09-10 | 2018-09-10 | Fluid pipeline filter and clutch with same |
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| Publication Number | Publication Date |
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| CN109162991A CN109162991A (en) | 2019-01-08 |
| CN109162991B true CN109162991B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811050781.XA Active CN109162991B (en) | 2018-09-10 | 2018-09-10 | Fluid pipeline filter and clutch with same |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102019200188A1 (en) * | 2019-01-09 | 2020-07-09 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Method for connecting a filter material to a fluid technology component and system comprising a fluid technology component and a filter material that can be connected to it |
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| CN109162991A (en) | 2019-01-08 |
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