CN218237034U

CN218237034U - Lubricating oil filter with filtering and dewatering functions

Info

Publication number: CN218237034U
Application number: CN202223002811.4U
Authority: CN
Inventors: 刘向民; 王飞; 王文昌
Original assignee: Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Current assignee: Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-01-06
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a lubricating oil filter with filtering and dewatering functions, wherein a filtering filter element and a dewatering filter element which are arranged in a vertically stacked manner are inserted in a shell, a cover plate component is arranged on the shell, and an oil inlet and an oil outlet are arranged on the cover plate component; the upper filter layer of the filter element is sleeved outside the upper framework, the lower filter layer of the dewatering filter element is sleeved outside the lower framework, and the auxiliary dewatering filter layer is arranged in the filter element. The utility model discloses an integrated filtration filter core, the dewatering filter core of being provided with in the casing and supplementary dewatering filtering layer have had particle impurity simultaneously concurrently on a filter and have filtered and the dewatering function, have reduced lubricating system's device outfit, have reduced the system cost, the lubricating system's of also being convenient for maintenance.

Description

Lubricating oil filter with filtering and dewatering functions

Technical Field

The utility model belongs to the technical field of the lubricating oil filtering technique and specifically relates to a have lubricating oil filter who filters and dewatering concurrently.

Background

The lubrication system of mechanical equipment is very important, the failure of the equipment is caused by mechanical wear for 70%, lubricating oil is a key part of the lubrication system, and the quality and performance of the lubricating oil are main factors influencing the efficacy of the lubrication system. Because the lubricating oil contains particulate impurities and moisture, the lubricating oil needs to be filtered and dewatered. Currently, for particulate impurities, a lubricating oil filter is generally adopted for filtering; for the water, a set of water removal device is usually adopted for water removal, and the water removal device has a huge and complex structure, more devices and high cost; and particle impurity filters and removes water and filters and go on step by step, need to be equipped with the device respectively to particle impurity and moisture, greatly increased lubricating system's space volume, improved lubricating system's cost, also be not convenient for lubricating system's maintenance.

SUMMERY OF THE UTILITY MODEL

The applicant provides a rational in infrastructure lubricating oil filter who has concurrently and filter and dewatering to the shortcoming that above-mentioned current lubricating oil filtered the existence, has particulate impurity concurrently and filters and the dewatering function, and simple structure reduces lubricating system's space volume, reduce cost, is convenient for maintain the maintenance.

The utility model discloses the technical scheme who adopts as follows:

a lubricating oil filter with filtering and dewatering functions is characterized in that a filtering filter element and a dewatering filter element which are arranged in a vertically-stacked mode are inserted into a shell, a cover plate assembly is arranged on the shell, and an oil inlet and an oil outlet are formed in the cover plate assembly; an upper filter layer of the filter element is sleeved outside an upper framework, the outer side of the upper filter layer is an upper dirty side, the inner side of the upper framework is an upper clean side, the upper dirty side is communicated with an oil inlet, and the upper clean side is communicated with an oil outlet; a lower filtering layer of the dewatering filter element is sleeved outside the lower framework, the outer side of the lower filtering layer is a dirty side, the inner side of the lower framework is a clean side, the dirty side is communicated with the dirty side, and the clean side is communicated with the clean side; an auxiliary dewatering filter layer is arranged in the upper clean side.

As a further improvement of the above technical solution:

the auxiliary dewatering filter layer is arranged on the lower half part or the upper half part of the upper clean side; the height of the auxiliary dewatering filter layer is 30-50% of the height of the filter element.

The auxiliary dewatering filter layer is cylindrical or conical with a large upper part and a small lower part.

The auxiliary dewatering filter layer is sleeved on the auxiliary framework or the inner support cylinder, the auxiliary framework is fixedly connected to the upper end cover, and the inner support cylinder is arranged on the middle end cover.

The filter element is connected with the dewatering filter element through the middle end cover, the middle end cover is provided with a central channel and a middle oil passing channel, the central channel is communicated with the upper clean side and the lower clean side, and the middle oil passing channel is communicated with the upper dirty side and the lower dirty side.

A lower end cover is arranged at the lower end part of the dewatering filter element, a lower oil passage is arranged between the outer wall surface of the lower end cover and the inner wall surface of the shell, and the lower oil passage is communicated with the dirty side and a cavity below the dewatering filter element; the lower end cover is provided with a bypass port which is communicated with the dirty side and the clean side; the bypass port is provided with a bypass assembly, and the bypass assembly can be opened towards the lower clean side in a single direction.

The bypass assembly comprises a sleeve, a bottom plate and a spring; the lower end part of the sleeve is fixedly connected to the lower end cover, and the bottom plate and the spring are inserted in the sleeve; the lower tip of sleeve is provided with the support step, and the sleeve upper end is provided with a plurality of barbs, and the spring upper end supports tightly in the barb, and the lower extreme supports tightly on the bottom plate.

An upper end cover is arranged at the upper end part of the filtering filter element, an upper oil passing channel is arranged between the outer wall surface of the upper end cover and the inner wall surface of the shell, and the upper oil passing channel is communicated with the oil inlet and the dirty side.

The filter element and the dewatering filter element are pressed on the cover plate component through a pressing spring; a sealing element is arranged between the filtering filter element and the cover plate assembly and is positioned between the oil inlet and the oil outlet.

The lower filtering layer and the auxiliary dewatering filtering layer of the dewatering filtering element are made of water-absorbing materials.

The utility model has the advantages as follows:

the utility model discloses an integrated filter core, dewatering filter core and the supplementary dewatering filter layer of being provided with in the casing, have had particle impurity simultaneously and filtered and the dewatering function on a filter, reduced the device outfit of lubricating system, reduced system cost, also be convenient for the maintenance of lubricating system; the filter element is arranged in a stacking way with the dewatering filter element and is connected with the middle end cover, the whole structure is simple and compact, the purpose of removing particle impurities and moisture is realized on the filter with smaller space volume, the space volume of the lubricating system is greatly reduced, and the requirement on the installation space is reduced.

The utility model discloses an upper and lower floor's filter core is connected through same well end cover, only need guarantee between filter core and the well end cover and the dewatering filter core and well end cover between the cooperation precision can, reduced the setting of cooperation structure, simplified the structure, reduced the machining precision to each part and the requirement of assembly precision.

Drawings

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

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a housing; 2. a filter element; 21. an upper filtering layer; 22. mounting a framework; 3. a dewatering filter element; 31. a lower filtering layer; 32. a lower framework; 4. a middle end cover; 41. a central channel; 42. a middle oil passage; 43. an inner support cylinder; 5. an upper end cover; 51. an oil passing channel is arranged; 6. a lower end cover; 61. a lower oil passage; 62. a bypass port; 7. a cover plate assembly; 71. an oil inlet; 72. an oil outlet; 8. an auxiliary dewatering filter layer; 81. an auxiliary skeleton; 9. a bypass assembly; 91. a sleeve; 92. a base plate; 93. a spring; 94. supporting a step; 95. a barb; 10. a compression spring; 11. a seal member; 101. the upper dirty side; 102. cleaning the upper side; 201. the lower dirty side; 202. and (5) cleaning the side.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

The first embodiment is as follows:

as shown in fig. 1, a casing 1 of the present invention is a cylinder with a closed end and an open end, a filtering core 2 and a water removing core 3 are inserted into the casing 1 and stacked up and down, a cover plate assembly 7 is disposed on the casing 1, the filtering core 2 and the water removing core 3 are pressed onto the cover plate assembly 7 through a pressing spring 10, and an oil inlet 71 and an oil outlet 72 are disposed on the cover plate assembly 7; be provided with sealing member 11 between filtration filter element 2 top surface and the apron subassembly 7 bottom surface, sealing member 11 is located oil inlet 71 and oil-out 72 between, keeps apart the inside clean side of casing 1 and dirty side, prevents that the lubricating oil of dirty side from getting into clean side and influence the effect of filtering and dewatering.

The filtering core 2 comprises an upper filtering layer 21 and an upper framework 22, the upper framework 22 is used as an inner support and is inserted in the upper filtering layer 21, the outer side of the upper filtering layer 21 is a dirty side 101, the inner side of the upper framework 22 is an upper clean side 102, and the upper clean side 102 is communicated with the oil outlet 72. An upper end cover 5 is fixedly bonded at the upper end part of the filter element 2 through glue, an upper oil passage 51 is formed by a distance between the outer wall surface of the upper end cover 5 and the inner wall surface of the shell 1, and the upper oil passage 51 is communicated with the oil inlet 71 and the dirty side 101. The filter element 2 is used as a filter element and is mainly used for filtering particle impurities in lubricating oil.

The dewatering filter element 3 comprises a lower filter layer 31 and a lower framework 32, the lower framework 32 is used as an inner support and is inserted in the lower filter layer 31, the outer side of the lower filter layer 31 is a dirty side 201, and the inner side of the lower framework 32 is a clean side 202. The lower end part of the dewatering filter element 3 is fixedly provided with a lower end cover 6 through glue bonding, a space is arranged between the outer wall surface of the lower end cover 6 and the inner wall surface of the shell 1 to form a lower oil passage 61, and the lower oil passage 61 is communicated with the dirty side 201 and a cavity below the dewatering filter element 3. The water removal filter element 3 is a water removal element, and is mainly used for removing water in lubricating oil. The lower filtering layer 31 of the dewatering filter element 3 is made of water-absorbing materials, such as non-woven fabric made of super water-absorbing fibers, the super water-absorbing non-woven fabric is strong in water absorption and water retention capacity, acid-base-resistant, stable in structure, easy to manufacture filter elements of various structural forms, and strong in applicability.

The bottom end of the filter element 2 is connected with the top end of the water removal filter element 3 through a middle end cover 4, and the filter element 2 and the water removal filter element 3 are respectively fixed on the middle end cover 4 through glue adhesion; the upper and lower filter element layers (the filter element 2 and the dewatering filter element 3) are connected through the same middle end cover 4, and the matching precision between the filter element 2 and the middle end cover 4 and between the dewatering filter element 3 and the middle end cover 4 is only required to be ensured, so that the arrangement of the matching structure is reduced, the structure is simplified, and the requirements on the processing precision and the assembling precision of each component are reduced. A central channel 41 is formed in the center of the middle end cover 4, and the central channel 41 is communicated with the upper clean side 102 and the lower clean side 202; the outer side of the middle end cover 4 is provided with a plurality of middle oil passing channels 42, and the middle oil passing channels 42 are communicated with the dirty side 101 and the dirty side 201.

The middle end cover 4 is located outside the central channel 41, a cylindrical inner support tube 43 vertically extends upwards along the axial direction, the inner support tube 43 extends into the upper clean side 102, and a space is formed between the outer wall surface of the inner support tube 43 and the inner wall surface of the upper framework 22. The inner support tube 43 is sleeved with an auxiliary dewatering filter layer 8, the auxiliary dewatering filter layer 8 is arranged at the lower half part of the upper clean side 102 in a cylindrical shape, and lubricating oil at the lower half part of the upper clean side 102 can be dewatered. The auxiliary dewatering filter layer 8 also adopts super water-absorbing non-woven fabrics, and removes water in the lubricating oil by a water-absorbing mode. The height of the auxiliary dewatering filter layer 8 is 30% -50% of the height of the filter element 2, so that the filter is kept at a lower flow resistance level while auxiliary dewatering is met, and smooth flowing of lubricating oil is guaranteed.

The center of the lower end cover 6 is provided with a bypass port 62, and the bypass port 62 is communicated with a dirty side 201 and a clean side 202. The bypass port 62 is provided with a bypass assembly 9, and the bypass assembly 9 is arranged in the lower clean side 202 and can be opened towards the lower clean side 202 in a single direction. As shown in fig. 2, the bypass assembly 9 includes a sleeve 91, a bottom plate 92, and a spring 93; the lower end of the sleeve 91 is fixedly connected to the lower end cover 6, the bottom plate 92 and the spring 93 are inserted into the sleeve 91, and the spring 93 is located above the bottom plate 92. The lower end part of the sleeve 91 is provided with a support step 94 which protrudes inwards, and the upper end part of the sleeve 91 is provided with a plurality of barbs 95 which are bent inwards; the spring 93 is initially in a compressed state with its upper end abutting within the barb 95 and its lower end abutting against the floor 92. When the filter element 2 and the water removal filter element 3 work normally, the internal and external pressure difference of the dirty side and the clean side keeps balance, the bypass assembly 9 is in a closed state, the bottom plate 92 of the spring 93 is pressed onto the supporting step 94 by the spring 93, and the bypass port 62 is blocked; when the filter element 2 is blocked, and the internal and external differential pressure spring 93 on the dirty side and the clean side reaches the opening pressure of the bypass assembly 9, the bypass assembly 9 is opened, and the lubricating oil on the dirty side pushes open the bottom plate 92 and conducts the bypass port 62, and enters the clean side from the bypass port 62.

The second embodiment:

unlike the first embodiment, the present embodiment provides the auxiliary water removal filter layer 8 in the upper half of the upper clean side 102. The auxiliary dewatering filter layer 8 is sleeved outside the auxiliary framework 81 in a conical cylinder shape with a large upper part and a small lower part, and the upper end part of the auxiliary framework 81 is fixedly connected to the upper end cover 5; in this embodiment, the auxiliary water removal filter layer 8 is disposed on the upper half portion, and can remove water from the lubricating oil flowing from the whole upper clean side 102 and the whole lower clean side 202, so that the water removal efficiency is higher, and the water removal effect is better; and supplementary dewatering filtering layer 8 is the awl cylindric and arranges, and the dewatering area is bigger, also is favorable to improving dewatering efficiency and effect.

The utility model discloses during the actual use, lubricating oil is divided into two parts after getting into dirty side 101 from oil inlet 71: most of the lubricating oil enters the upper clean side 102 after being filtered by the filter element 2, and flows out from the oil outlet 72 after being dewatered by the auxiliary dewatering filter layer 8; a small portion of the lubricating oil enters the dirty side 201 from the middle oil passage 42, enters the clean side 202 after being dewatered by the dewatering filter element 3, then enters the clean side 102 through the central passage 41, and flows out of the oil outlet 72.

The filter element 2, the dewatering filter element 3 and the auxiliary dewatering filter layer 8 are integrated in the shell 1 of the utility model, so that the filter has the functions of filtering particle impurities and dewatering on one filter, the equipment of the lubricating system is reduced, the system cost is reduced, and the maintenance of the lubricating system is convenient;

filter cartridge

2 and 3 range upon range of arrangements of dewatering filter core, through end cover 4 being connected in one, overall structure is simple, compact, has realized the purpose of detaching particulate impurity and moisture simultaneously on the less filter of space volume, has reduced lubricating system's space volume greatly, has reduced the requirement to installation space.

The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.

Claims

1. The utility model provides a have lubricating oil filter who filters and dewatering concurrently which characterized in that: a filtering filter element (2) and a dewatering filter element (3) which are arranged in a vertically stacked manner are inserted into the shell (1), a cover plate component (7) is arranged on the shell (1), and an oil inlet (71) and an oil outlet (72) are formed in the cover plate component (7); an upper filter layer (21) of the filter element (2) is sleeved outside the upper framework (22), an upper dirty side (101) is arranged on the outer side of the upper filter layer (21), an upper clean side (102) is arranged on the inner side of the upper framework (22), the upper dirty side (101) is communicated with the oil inlet (71), and the upper clean side (102) is communicated with the oil outlet (72); a lower filtering layer (31) of the water removing filter element (3) is sleeved outside the lower framework (32), the outer side of the lower filtering layer (31) is a lower dirty side (201), the inner side of the lower framework (32) is a lower clean side (202), the lower dirty side (201) is communicated with an upper dirty side (101), and the lower clean side (202) is communicated with an upper clean side (102); an auxiliary dewatering filter layer (8) is arranged in the upper clean side (102).

2. The oil filter of claim 1 having both filtration and water removal features: the auxiliary dewatering and filtering layer (8) is arranged at the lower half part or the upper half part of the upper clean side (102); the height of the auxiliary dewatering filter layer (8) is 30-50% of the height of the filter element (2).

3. A filter according to claim 1 for both filtering and removing water comprising: the auxiliary water removal filter layer (8) is cylindrical or conical with a large upper part and a small lower part.

4. The oil filter of claim 1 having both filtration and water removal features: the auxiliary dewatering filter layer (8) is sleeved on the auxiliary framework (81) or the inner support cylinder (43), the auxiliary framework (81) is fixedly connected to the upper end cover (5), and the inner support cylinder (43) is arranged on the middle end cover (4).

5. A filter according to claim 1 for both filtering and removing water comprising: filter core (2) and dewatering filter core (3) and be connected through well end cover (4), seted up central channel (41) on well end cover (4) and middle oily passageway (42) of crossing, clean side (102) and lower clean side (202) are gone up in central channel (41) intercommunication, and middle oily passageway (42) of crossing communicate dirty side (101) and dirty side (201) down.

6. The oil filter of claim 1 having both filtration and water removal features: a lower end cover (6) is arranged at the lower end part of the dewatering filter element (3), a lower oil passage (61) is arranged between the outer wall surface of the lower end cover (6) and the inner wall surface of the shell (1), and the lower oil passage (61) is communicated with the dirty side (201) and a cavity below the dewatering filter element (3); a bypass port (62) is formed in the lower end cover (6), and the bypass port (62) is communicated with the dirty side (201) and the clean side (202); the bypass opening (62) is provided with a bypass assembly (9), and the bypass assembly (9) can be opened towards the lower clean side (202) in a one-way mode.

7. The oil filter of claim 6 having both filtration and water removal wherein: the bypass assembly (9) comprises a sleeve (91), a bottom plate (92) and a spring (93); the lower end part of the sleeve (91) is fixedly connected to the lower end cover (6), and the bottom plate (92) and the spring (93) are inserted into the sleeve (91); the lower end of the sleeve (91) is provided with a supporting step (94), the upper end of the sleeve (91) is provided with a plurality of barbs (95), the upper end of the spring (93) is tightly propped in the barbs (95), and the lower end of the spring is tightly propped on the bottom plate (92).

8. A filter according to claim 1 for both filtering and removing water comprising: an upper end cover (5) is arranged at the upper end part of the filtering filter element (2), an upper oil passing channel (51) is arranged between the outer wall surface of the upper end cover (5) and the inner wall surface of the shell (1), and the upper oil passing channel (51) is communicated with the oil inlet (71) and the dirty side (101).

9. The oil filter of claim 1 having both filtration and water removal features: the filter element (2) and the dewatering filter element (3) are pressed onto the cover plate component (7) through a pressing spring (10); a sealing element (11) is arranged between the filtering filter element (2) and the cover plate component (7), and the sealing element (11) is positioned between the oil inlet (71) and the oil outlet (72).

10. A filter according to claim 1 for both filtering and removing water comprising: the lower filtering layer (31) and the auxiliary dewatering filtering layer (8) of the dewatering filter element (3) are made of water-absorbing materials.