CN211039252U

CN211039252U - Hydraulic filter for vehicle

Info

Publication number: CN211039252U
Application number: CN201922247947.3U
Authority: CN
Inventors: 秦琦; 张学军
Original assignee: Shiyan Fuerdun Technology Co ltd
Current assignee: Shiyan Fuerdun Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-17
Anticipated expiration: 2029-12-16

Abstract

The utility model provides a hydraulic filter for vehicles, which comprises an upper shell, a lower shell, a pressure plate, an oil inlet pipe, an oil outlet pipe, a communicating mechanism, a ring groove, a clapboard, a filter screen mechanism, a filter screen and a drain valve, the communicating mechanism, the filter screen mechanism and the filter screen are arranged, hydraulic oil enters in the oil inlet pipe, and simultaneously enters into the communicating mechanism, when the filter screen filters the hydraulic oil, the hydraulic oil enters into the communicating mechanism from the oil outlet pipe flow and simultaneously enters into the communicating mechanism to jack the steel ball for normal use, the filter screen is monitored, the using effect of the filter is effectively improved, the filter screen replaces the original way of forming through holes on a steel plate as a bracket, the filter screen is provided with a spiral flow guide groove, the filtering effect is improved by adopting two layers of filter screens, the filtering effect of the filter screen is improved while the pressure loss of the hydraulic oil is effectively reduced, water is filtered the bottom of lower casing and is stored, and effectual moisture with in the hydraulic oil separates.

Description

Hydraulic filter for vehicle

Technical Field

The utility model belongs to the technical field of the filter, especially, relate to an automobile-used hydraulic filter.

Background

The hydraulic oil quality influences hydraulic system working property greatly, and the root cause of a lot of troubles all derives from it, prevents that fluid from polluting at the local installation hydraulic oil filter that is suitable, can hold back the pollutant in the fluid, can make fluid keep clean, guarantees that fluid system normally works, and the effect of hydraulic oil is: energy transfer, lubrication, corrosion protection, rust protection, cooling, the inevitable mixing of moisture, gases, volatile substances and impurities into the hydraulic oil for various reasons, accelerating some oxidation, promoting the formation of foam and oil dirt, the sources of impurities are mainly: mechanical impurities such as water rust, casting sand, welding slag, scrap iron, coating, paint leather, cotton yarn scraps and the like which are still remained in the hydraulic system after cleaning, and impurities which enter the hydraulic system from the outside such as dust entering the oil filling port, the dust-proof ring and the like.

The invention discloses a crane hydraulic oil filter with the Chinese patent publication number of CN 110000002A, which comprises a cylindrical filter cylinder, wherein a liquid inlet pipe is tangentially communicated with the filter cylinder, a filter element is axially arranged on the filter cylinder, the upper side and the lower side of the filter element are rotationally matched with the upper surface and the lower surface inside the filter cylinder, the inner wall of the filter cylinder is provided with a helical blade, the inner side of the helical blade is provided with brush hair which is over against the outer side wall of the filter element, and the bottom of the filter cylinder is provided with an iron scrap adsorption device. But prior art lacks automobile-used hydraulic filter, and the staff uses often to forget to change the filter for a long time, reduces the filter effect of filter, adopts the resistance that platelike trompil increases hydraulic oil as supporting, adopts single-deck filter screen filter effect relatively poor, lacks the water oil separating filter screen, can not advance the problem of separation with the moisture in the hydraulic oil.

Therefore, it is necessary to develop a hydraulic filter for a vehicle.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automobile-used hydraulic filter to solve prior art and lack automobile-used hydraulic filter, the staff uses often to forget for a long time and changes the filter, reduces the filter effect of filter, adopts the resistance that platelike trompil increases hydraulic oil as supporting, and it is relatively poor to adopt individual layer filter screen filter effect, lacks the water oil separating filter screen, can not advance the problem of separation with the moisture in the hydraulic oil. A hydraulic filter for a vehicle comprises an upper shell, a lower shell, a cover plate, an oil inlet pipe, an oil outlet pipe, a communication mechanism, an annular groove, a partition plate, a filter screen mechanism, a water filter screen and a drain valve, wherein the lower shell is fixed below the upper shell through threads; the cover plate is fixed below the upper shell through bolts; the oil inlet pipe penetrates through the interior of the upper shell and is fixed on one side of the upper shell through welding; the oil outlet pipe penetrates into the lower shell and is fixed on one side of the lower shell through welding; one end of the communicating mechanism is fixed below the oil inlet pipe in a welding mode, and the other end of the communicating mechanism is fixed below the oil outlet pipe in a welding mode and penetrates through the oil outlet pipe; the annular grooves are respectively formed below the cover plate and above the partition plate; the partition plate is fixed below the inner part of the lower shell through welding, and a through hole is formed in the middle of the partition plate; the filter screen mechanism is fixed in the lower shell through clamping; the water filter screen is fixed in the middle hole of the partition plate in a clamping manner; the drain valve is fixed below the lower shell through threads.

The communicating mechanism comprises a pipe body, an adjusting bolt, a pressing plate, a spring and a steel ball, wherein the adjusting bolt is fixed below the pipe body through threads; the pressure plate is arranged inside the pipe body and is fixed above the adjusting bolt through a bearing; the spring is arranged inside the pipe body and above the pressing plate; the spring sets up in the inside of body, and is located the top of spring.

The filter screen mechanism comprises a grid, a first filter screen and a second filter screen, and the grid is cylindrical; the first filter screen is fixed inside the grid through bolts; the second filter screen is fixed on the outer side of the grid through bolts.

A sealing ring is arranged at the threaded connection part of the upper shell and the lower shell; the water filter screen is of an NITI-200 type; the draining valve is of ARB-11 type.

The first filter screen and the second filter screen are formed by weaving weft threads and warp threads, each mesh is rhombic, square or polygonal, the PP material is adopted, the diameter is set to be 0.02in, and spiral continuous guide grooves are formed in the surfaces of the weft threads and the warp threads.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a feed through mechanism's setting, hydraulic oil is advancing oil pipe and is getting into, hydraulic oil gets into feed through mechanism simultaneously, push down the steel ball, make the spring produce certain pressure, it gets into feed through mechanism from oil pipe flow department simultaneously to have filtered hydraulic oil when the filter screen, basically, there is not very little loss of pressure when the filter screen is clean, internal pressure at feed through mechanism equals, back open normal use with the steel ball, loss of pressure is great when the filter screen cleanliness factor is relatively poor, can not back open the steel ball and can not use, monitor the filter screen, the effectual result of use that improves the filter.

2. The utility model discloses a filter screen mechanism's setting replaces the mode that original steel sheet offered the through-hole as the support, and spiral form guiding gutter has been seted up to the filter screen, adopts two-layer filter net to improve filterable effect, improves the filterable effect of filter screen when effectual reduction hydraulic oil's loss of pressure.

3. The utility model discloses a setting of water strainer, water strainer are very big to the resistance of oil, so hydraulic oil can not pass through, and water is stored by the bottom of filtering the casing down, and effectual moisture with in the hydraulic oil separates.

Drawings

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

Fig. 2 is a schematic structural diagram of the communication mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the filter screen mechanism of the present invention.

In the figure:

1-upper shell, 2-lower shell, 3-pressing plate, 4-oil inlet pipe, 5-oil outlet pipe, 6-communicating mechanism, 61-pipe body, 62-adjusting bolt, 63-pressing plate, 64-spring, 65-steel ball, 7-annular groove, 8-clapboard, 9-filter screen mechanism, 91-grid, 92-first filter screen, 93-second filter screen, 10-water filter screen and 11-drain valve.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 3

The utility model provides a hydraulic filter for vehicles, which comprises an upper shell 1, a lower shell 2, a cover plate 3, an oil inlet pipe 4, an oil outlet pipe 5, a communicating mechanism 6, an annular groove 7, a clapboard 8, a filter screen mechanism 9, a water filter screen 10 and a drain valve 11, wherein the lower shell 2 is fixed below the upper shell 1 through threads; the cover plate 3 is fixed below the upper shell 1 through bolts; the oil inlet pipe 4 penetrates through the interior of the upper shell 1 and is fixed on one side of the upper shell 1 through welding; the oil outlet pipe 5 penetrates into the lower shell 2 and is fixed on one side of the lower shell 2 through welding; one end of the communicating mechanism 6 is fixed below the oil inlet pipe 4 by welding, and the other end of the communicating mechanism is fixed below the oil outlet pipe 5 by welding and penetrates through the oil outlet pipe 5; the annular grooves 7 are respectively formed below the cover plate 3 and above the partition plate 8; the partition plate 8 is fixed below the inner part of the lower shell 2 through welding, and a through hole is formed in the middle of the partition plate; the filter screen mechanism 9 is fixed in the lower shell 2 through clamping; the water filtering net 10 is fixed in a middle hole of the partition plate 8 through clamping; the drain valve 11 is fixed below the lower housing 2 by a screw thread.

The communicating mechanism 6 comprises a pipe body 61, an adjusting bolt 62, a pressure plate 63, a spring 64 and a steel ball 65, wherein the adjusting bolt 62 is fixed below the pipe body 61 through threads; the pressure plate 63 is arranged inside the pipe body 61 and is fixed above the adjusting bolt 62 through a bearing; the spring 64 is arranged inside the tube body 61 and above the pressure plate 63; the spring 64 is disposed inside the tube 61 and above the spring 64.

The filter screen mechanism 9 comprises a grid 91, a first filter screen 92 and a second filter screen 93, wherein the grid 91 is cylindrical; the first filter screen 92 is fixed inside the grid 91 by bolts; the second screen 93 is fixed to the outer side of the mesh 91 by bolts.

A sealing ring is arranged at the threaded connection part of the upper shell 1 and the lower shell 2; the water filtering net 10 is of an NITI-200 type; the drain valve 11 is of an ARB-11 type.

The first filter screen 92 and the second filter screen 93 are formed by weaving rhombic, square or polygonal meshes with weft and warp, the mesh is made of PP (polypropylene), the diameter of the mesh is 0.02in, and spiral continuous guide grooves are formed in the surfaces of the weft and the warp.

Principle of operation

In the utility model, hydraulic oil enters in the oil inlet pipe 4, and simultaneously the hydraulic oil enters the communicating mechanism 6, the steel ball 65 is pressed down, the spring 64 generates a certain pressure, when the filter screen filters the hydraulic oil and enters the communicating mechanism 6 from the oil outlet pipe 5 flow, when the filter screen is clean, little pressure loss is basically avoided, the internal pressure of the communicating mechanism 6 is equal, the steel ball 65 is pushed open for normal use, when the cleanliness of the filter screen is poor, the pressure loss is large, the steel ball 65 cannot be pushed open and can not be used, the filter screen is monitored, the using effect of the filter is effectively improved, the grid 91 replaces the original way that the steel plate is provided with the through hole to be used as a support, the filter screen is provided with a spiral flow guide groove, two layers of filter screens are adopted to improve the filtering effect, the filtering effect of the filter screen is improved while the pressure loss of the hydraulic oil is, therefore, the hydraulic oil can not pass through, water is filtered to the bottom of the lower shell 2 to be stored, and the water in the hydraulic oil is effectively separated.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. A hydraulic filter for a vehicle, characterized in that: the oil filter comprises an upper shell (1), a lower shell (2), a cover plate (3), an oil inlet pipe (4), an oil outlet pipe (5), a communicating mechanism (6), an annular groove (7), a partition plate (8), a filter screen mechanism (9), a water filter screen (10) and a drain valve (11), wherein the lower shell (2) is fixed below the upper shell (1) through threads; the cover plate (3) is fixed below the upper shell (1) through bolts; the oil inlet pipe (4) penetrates through the interior of the upper shell (1) and is fixed on one side of the upper shell (1) through welding; the oil outlet pipe (5) penetrates into the lower shell (2) and is fixed on one side of the lower shell (2) through welding; one end of the communicating mechanism (6) is fixed below the oil inlet pipe (4) by welding, and the other end of the communicating mechanism is fixed below the oil outlet pipe (5) by welding and penetrates through the oil outlet pipe (5); the annular grooves (7) are respectively formed below the cover plate (3) and above the partition plate (8); the partition plate (8) is fixed below the inner part of the lower shell (2) through welding, and a through hole is formed in the middle of the partition plate; the filter screen mechanism (9) is fixed in the lower shell (2) through clamping; the water filter screen (10) is fixed in a middle hole of the partition plate (8) through clamping; the drain valve (11) is fixed below the lower shell (2) through threads.

2. A vehicular hydraulic pressure filter according to claim 1, wherein: the communicating mechanism (6) comprises a pipe body (61), an adjusting bolt (62), a pressing plate (63), a spring (64) and a steel ball (65), wherein the adjusting bolt (62) is fixed below the pipe body (61) through threads; the pressure plate (63) is arranged inside the pipe body (61) and is fixed above the adjusting bolt (62) through a bearing; the spring (64) is arranged inside the pipe body (61) and above the pressing plate (63); the spring (64) is arranged inside the pipe body (61) and is positioned above the spring (64).

3. A vehicular hydraulic pressure filter according to claim 1, wherein: the filter screen mechanism (9) comprises a grid (91), a first filter screen (92) and a second filter screen (93), and the grid (91) is arranged in a cylindrical shape; the first filter screen (92) is fixed inside the grid (91) through bolts; the second filter screen (93) is fixed on the outer side of the grid (91) through bolts.

4. A vehicular hydraulic pressure filter according to claim 2, wherein: a sealing ring is arranged at the threaded connection part of the upper shell (1) and the lower shell (2); the water filtering net (10) is of an NITI-200 type; the drainage valve (11) is of an ARB-11 type.

5. A vehicular hydraulic pressure filter according to claim 3, wherein: the first filter screen (92) and the second filter screen (93) are formed by weaving rhombic, square or polygonal meshes with weft threads and warp threads, the mesh is made of PP materials, the diameter of the mesh is set to be 0.02in, and spiral continuous guide grooves are formed in the surfaces of the weft threads and the warp threads.