CN211900730U

CN211900730U - Oil filter without central tube

Info

Publication number: CN211900730U
Application number: CN202020323916.1U
Authority: CN
Inventors: 韩金生
Original assignee: Zhejiang Changsheng Oil Filter Co ltd
Current assignee: Zhejiang Changsheng Oil Filter Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-10
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses an oil cleaner of no center tube, the casing top is equipped with sealed apron, be equipped with the fixing base on the sealed apron, be equipped with V type recess on the fixing base, V type recess both sides are equipped with two oil inlets, filter element group spare is fixed in between sealed apron and the supporting spring, be equipped with the oil feed chamber between upper end cover and the sealed apron, be provided with non return device in the oil feed chamber, be equipped with the filter core between upper end cover and the lower end cover, the filter core is formed by the adhesion of filter paper, first filter screen and second filter screen, the filter core is provided with first filter screen, filter paper, second filter screen from inside to outside, the filter core forms foldable filter core through folding, rethread spiral winding forms the filter core of vortex formula, be equipped with out oil pocket between lower end cover and the oil-out port, the lower end cover offsets with supporting spring one end, the; the utility model discloses filtering quality is strong, and is small, does not use the center tube, and is with low costs, and long service life is difficult for causing engine wear.

Description

Oil filter without central tube

Technical Field

The utility model belongs to the filter field especially relates to an oil cleaner of no center tube.

Background

The oil filter is used for removing solid impurities such as ferric oxide, dust and the like contained in engine oil, preventing a fuel oil system from being blocked, reducing mechanical wear, ensuring stable operation of an engine and improving reliability, and the prior art has many problems: the oil cleaner of prior art is too big, has reduced the volume, just has to reduce the filter core size for the filtering quality variation, and prior art filter core is easily buckled, the stretch-proofing performance is poor, so must add the center tube in the filter core and be used for supporting the filter core, and is with high costs, and the center tube occupies some volumes of filter core, can produce the dead zone, also can make the filter filtering quality variation, make to contain impurity in the oil, get into the engine and lead to engine wear, life is not long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil cleaner of no center tube, this utility model filtering quality is strong, and is small, does not use the center tube, and is with low costs, and long service life is difficult for causing engine wear.

The utility model discloses a solve above technical problem, adopt following technical scheme: a kind of oil filter without central tube, including filter casing, filter element group spare, oil outlet channel, oil outlet cavity, oil inlet channel, oil inlet cavity, non-return device, sealed cover plate and supporting spring; the oil outlet channel is fixedly arranged at one end of the shell, the sealing cover plate is arranged at the top of the shell, a fixing seat is arranged on the sealing cover plate, a V-shaped groove is formed in the fixing seat, two oil inlets are arranged on two sides of the V-shaped groove, and the oil inlets are communicated with the oil inlet channel; the filter element assembly is fixed between the sealing cover plate and the supporting spring and consists of an upper end cover, a filter element and a lower end cover, an oil inlet cavity is formed between the upper end cover and the sealing cover plate, a non-return device is arranged in the oil inlet cavity, and the filter element is arranged between the upper end cover and the lower end cover; the filter core is formed by the adhesion of filter paper, first filter screen and second filter screen, filter core from interior to exterior is provided with first filter screen, filter paper, second filter screen, the filter core forms foldable filter core through folding, and rethread spiral is convoluteed and is formed the filter core of vortex formula, the lower end cover with be equipped with out the oil pocket between the oil-out, the lower end cover with supporting spring one end offsets, the supporting spring other end with the oil-out offsets, the oil-out with go out oily access connection.

Technical scheme more than adopting, the utility model has the advantages of it is following:

the sealing cover plate is arranged at the top of the shell of the oil-saving oil tank, and the oil is prevented from directly flowing to the oil outlet cavity without being filtered by the sealing cover plate; the oil inlet cavity of the utility model is provided with a non-return device which plugs up the oil inlet, so that the oil can only enter but not exit, and the oil can be prevented from flowing back; the utility model discloses be equipped with the filter core between upper end cover and the lower end cover, the filter core is formed by filter paper, first filter screen and the adhesion of second filter screen, the filter core is provided with first filter screen, filter paper, second filter screen from inside to outside, the filter core forms foldable filter core through folding, rethread spiral winding forms the filter core of vortex formula, the setting of two-layer filter screen supports filter paper, makes the filter core not easily crooked and tensile strength can be strong, then need not add the center tube in the filter core in the filter, the cost is reduced, and the most dead zone that has reduced, form the filter core of vortex formula through spiral winding, show to reduce the filter core size, strengthened filter filtering quality, the oil quality is high, the engine is difficult for wearing and tearing; the lower extreme cover with supporting spring one end offsets, and supporting spring makes the filter core be located fixed position to produce ascending power to upper end cover and sealed apron, strengthen the leakproofness between sealed apron and the upper end cover.

Furthermore, the upper end cover is provided with a boss and a groove, one side of the lower end face of the non-return device is embedded into the groove, and the other side of the lower end face of the non-return device is abutted to the boss.

the utility model discloses in terminal surface one side embedding recess under the non return device, terminal surface opposite side and boss offset down for the non return device can open downwards, can not upwards open, thereby reaches the effect that the oil can only advance can not go out.

Furthermore, one side of the upper end surface of the non-return device is abutted against the sealing cover plate, and the other side of the upper end surface of the non-return device is embedded into the V-shaped groove.

non return device up end one side offsets with sealed apron, the embedding of up end opposite side V type recess except the position of fixed non return device, still makes the oil be difficult to the outflow inlet chamber.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the utility model at a;

fig. 3 is a schematic view of the filter element structure of the present invention.

In the figure: 1. an oil inlet channel; 2. an oil inlet; 3. an oil outlet; 4. an oil outlet channel; 5. an oil inlet cavity; 6. sealing the cover plate; 61. a fixed seat; 62. a V-shaped groove; 7. a non-return device; 8. an upper end cover; 9. a filter element; 91. a first filter screen; 92. filtering paper; 93. a second filter screen; 10. a housing; 11. a lower end cover; 12. a support spring; 13. and (4) an oil outlet cavity.

Detailed Description

As shown in fig. 1 to 3, a centreless oil filter includes a filter housing 10, a filter element assembly, an oil outlet 3, an oil outlet channel 4, an oil outlet cavity 13, an oil inlet 2, an oil inlet channel 1, an oil inlet cavity 5, a check device 7, a sealing cover plate 6 and a support spring 12; an oil inlet channel 1 is fixedly arranged at one end of the shell 10, an oil outlet channel 4 is fixedly arranged at the other end of the shell, a sealing cover plate 6 is arranged at the top of the shell 10, a fixed seat 61 is arranged on the sealing cover plate 6, a V-shaped groove 62 is arranged on the fixed seat 61, two oil inlets 2 are arranged at two sides of the V-shaped groove 62, and the oil inlets 2 are communicated with the oil inlet channel 1; the filter element assembly is fixed between the sealing cover plate 6 and the supporting spring 12, the filter element assembly consists of an upper end cover 8, a filter element 9 and a lower end cover 11, an oil inlet cavity 5 is arranged between the upper end cover 8 and the sealing cover plate 6, a non-return device 7 is arranged in the oil inlet cavity 5, and the filter element 9 is arranged between the upper end cover 8 and the lower end cover 11; the filter element 9 is formed by the adhesion of filter paper 92, first filter screen 91 and second filter screen 93, filter element 9 is provided with first filter screen 91 from interior to exterior, filter paper 92, second filter screen 93, filter element 9 forms foldable filter element 9 through folding, rethread spiral winding forms the filter element 9 of vortex formula, be equipped with out oil pocket 13 between lower end cover 11 and the oil-out 3, lower end cover 11 offsets with supporting spring 12 one end, the supporting spring 12 other end offsets with oil-out 3, oil-out 3 is connected with oil outlet channel 4.

Through the arrangement, the sealing cover plate 6 is arranged at the top of the shell 10, and the arrangement of the sealing cover plate 6 prevents oil from directly flowing to the oil outlet cavity 13 without being filtered; the oil inlet cavity 5 of the utility model is provided with the non-return device 7, the non-return device 7 blocks the oil inlet 2, the oil can only enter but not exit, and the oil can be prevented from flowing back; the utility model discloses be equipped with filter core 9 between upper end cover 8 and lower end cover 11, filter core 9 is by filter paper 92, first filter screen 91 and the adhesion of second filter screen 93 form, filter core 9 is provided with first filter screen 91 from inside to outside, filter paper 92, second filter screen 93, filter core 9 forms foldable filter core 9 through folding, rethread spiral winding forms vortex formula filter core 9, the setting of two-layer filter screen, support filter paper 92, make filter core 9 difficult to bend and tensile strength can be strong, then need not add the center tube in filter core 9 in the filter, the cost is reduced, and the most dead zone that has reduced, form vortex formula filter core 9 through spiral winding, show to reduce filter core 9 size, strengthened filter filtering performance, the oil quality is high, the engine is difficult for wearing and tearing; the utility model discloses lower end cover 11 offsets with 12 one ends of supporting spring, and supporting spring 12 makes filter core 9 be located fixed position to produce ascending power to upper end cover 8 and sealed apron 6, strengthen the leakproofness between sealed apron 6 and the upper end cover 8.

As shown in fig. 2, the upper end cover 8 is provided with a boss and a groove, one side of the lower end surface of the check device 7 is embedded into the groove, the other side of the lower end surface abuts against the boss, one side of the upper end surface of the check device 7 abuts against the sealing cover plate 6, and the other side of the upper end surface is embedded into the V-shaped groove 62.

Through the arrangement, one side of the lower end surface of the non-return device 7 is embedded into the groove, and the other side of the lower end surface of the non-return device is abutted against the boss, so that the non-return device 7 can be opened downwards and cannot be opened upwards, and the effect that oil can only enter but cannot exit is achieved; the utility model discloses non return device 7 up end one side offsets with sealed apron 6, and up end opposite side embedding V type recess 62 except the position of fixed non return device 7, still makes the oil be difficult to flow the oil feed chamber 5.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An oil filter without a central tube is characterized by comprising a filter shell (10), a filter element assembly, an oil outlet (3), an oil outlet channel (4), an oil outlet cavity (13), an oil inlet (2), an oil inlet channel (1), an oil inlet cavity (5), a non-return device (7), a sealing cover plate (6) and a supporting spring (12);

the oil inlet channel (1) is fixedly arranged at one end of the shell (10), the oil outlet channel (4) is fixedly arranged at the other end of the shell, the sealing cover plate (6) is arranged at the top of the shell (10), a fixing seat (61) is arranged on the sealing cover plate (6), a V-shaped groove (62) is arranged on the fixing seat (61), two oil inlets (2) are arranged at two sides of the V-shaped groove (62), and the oil inlets (2) are communicated with the oil inlet channel (1);

the filter element assembly is fixed between the sealing cover plate (6) and the supporting spring (12), the filter element assembly consists of an upper end cover (8), a filter element (9) and a lower end cover (11), an oil inlet cavity (5) is arranged between the upper end cover (8) and the sealing cover plate (6), a check device (7) is arranged in the oil inlet cavity (5), and the filter element (9) is arranged between the upper end cover (8) and the lower end cover (11);

the filter element (9) is formed by the adhesion of filter paper (92), a first filter screen (91) and a second filter screen (93), the filter element (9) is provided with the first filter screen (91), the filter paper (92) and the second filter screen (93) from inside to outside, the filter element (9) forms a folding filter element (9) through folding, and then spirally winds the filter element (9) forming a vortex type, an oil outlet cavity (13) is arranged between a lower end cover (11) and the oil outlet (3), the lower end cover (11) is abutted to one end of a supporting spring (12), the other end of the supporting spring (12) is abutted to the oil outlet (3), and the oil outlet (3) is connected with the oil outlet channel (4).

2. The centerless oil filter of claim 1 wherein the upper end cap (8) has a boss and a groove, and the non-return means (7) has one side of its lower end surface embedded in the groove and the other side of its lower end surface against the boss.

3. An oil filter without a central tube according to claim 2, characterized in that the non-return means (7) is on the one side against the sealing cover (6) and on the other side embedded in the V-groove (62).