CN210217965U

CN210217965U - Filter element connecting assembly for diesel vehicle

Info

Publication number: CN210217965U
Application number: CN201920799514.6U
Authority: CN
Inventors: Hongbin Xiong; 熊鸿斌; Yuhang Zhang; 张宇航; Heng Luo; 罗恒; Hao Xu; 许浩; Dengming Yang; 杨登明; Zhiying Xu; 徐志英
Original assignee: HUBEI SAIENSI TECHNOLOGY Co Ltd
Current assignee: HUBEI SAIENSI TECHNOLOGY Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-31
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a filter core connecting assembly for diesel cars, which seals the axial direction and the radial direction of a shell and a filter core mounting seat by arranging a first sealing ring, has better sealing effect, and the first sealing ring is arranged at the end parts of the shell and the filter core mounting seat, can be found in time when the shell and the filter core mounting seat are broken, and prevents potential safety hazards caused by oil leakage; and an O-shaped gasket is further arranged, so that the sealing effect can be improved.

Description

Filter element connecting assembly for diesel vehicle

Technical Field

The utility model relates to a diesel auto-parts technical field especially relates to a filter core coupling assembling for diesel automobile.

Background

The diesel vehicle has the advantages of energy conservation, environmental protection, strength, safety, durability and the like. In order to meet the requirements of energy conservation and emission reduction in China, various vehicles using diesel engines are increasing on the market. However, in low-temperature seasons and regions, the viscosity of diesel oil is increased, the fluidity is deteriorated, the atomization effect is deteriorated, and fuel oil is insufficiently combusted, so that wax is separated out from a filter, ice is formed on the filter, a filter screen, a pipeline and the like are blocked, and faults such as difficult starting, sudden flameout in a traveling process and the like are easily caused. In addition, the diesel oil which circulates in the market at present contains moisture, when the temperature is lower than the condensation point of the water, the water is condensed and frozen, an oil way is blocked, the normal oil supply of a fuel oil system is influenced, the engine cannot normally work, and even the components of the fuel oil system are damaged. This has a serious impact on the proper operation of the fuel system.

In order to solve the problems, in the prior art, a drainage and preheating device is additionally arranged on a diesel filter element mounting seat, the viscosity of diesel is reduced by heating the diesel, the atomization effect and the combustion sufficiency are improved, and meanwhile, the moisture in the diesel is discharged. Above drainage and preheating device generally with filter core mount pad threaded connection, the centre adopts O shape circle to seal, however, through market inspection discovery, O shape circle easy break off in the use, and then lead to the oil leak, cause the incident easily.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a diesel vehicle filter core coupling assembling that security performance is better.

The technical scheme of the utility model is realized like this: the utility model provides a filter element connecting assembly for a diesel vehicle, which comprises a filter element module (1) and a drainage and preheating module (2), wherein the filter element module (1) comprises a filter element mounting seat (11) and a filter element (12), the filter element mounting seat (11) is in a cylindrical shape, and the filter element (12) is arranged inside the filter element mounting seat (11); the water drainage and preheating module (2) comprises a shell (21), a heating device (22) and a water drainage valve (23), wherein the heating device (22) is arranged on the shell (21) and fixed with the shell, and the water drainage valve (23) is communicated with the shell (21); threads are respectively arranged on the shell (21) and the filter element mounting seat (11) and are fixedly connected through the threads; still include first sealing washer (3), first sealing washer (3) include bottom sealing ring (31) and upper portion sealing ring (32), and upper portion sealing ring (32) are extended by bottom sealing ring (31) surface and are formed, and upper portion sealing ring (32) nestification is sealed casing (21) and filter core mount pad (11) radial direction on casing (21), and casing (21) and filter core mount pad (11) support terminal surface and axial direction are sealed to the upper and lower surface of bottom sealing ring (31) respectively.

In addition to the above technical solution, preferably, the bottom sealing ring (31) includes an upper sealing surface (311) and a lower sealing surface (312) that are parallel to each other, the upper sealing ring (32) extends from the upper sealing surface (311), and a continuous annular step surface is formed between the upper sealing ring (32) and the upper sealing surface (311).

On the basis of the technical scheme, preferably, one side of the upper sealing ring (32) close to the central shaft is a cylindrical surface, and one side far away from the central shaft is an arc surface.

On the basis of the technical scheme, preferably, the threaded connection part of the shell (21) is cylindrical, the surface of the threaded connection part is provided with an external thread (211), the root part of the threaded connection part is provided with an annular support part (212), the bottom surface of the bottom sealing ring (31) is abutted against the surface of the annular support part (212), and the inner side of the upper sealing ring (32) is abutted against the surface of the annular support part (212).

Preferably, the threaded connection part of the filter element mounting seat (11) is in a cylindrical hole shape, an internal thread (111) is arranged on the inner wall of the filter element mounting seat, the end face of the bottom of the mounting seat (11) is abutted against the upper surface of the bottom sealing ring (31), and the outer side of the upper sealing ring (32) is abutted against the cylindrical hole-shaped surface of the mounting seat (11).

On the basis of the technical scheme, the filter element mounting seat further preferably comprises an O-shaped gasket (4), wherein the O-shaped gasket (4) is embedded on the shell (21) and seals the shell (21) and the filter element mounting seat (11) in the axial direction.

More preferably, the threaded connection part of the shell (21) is cylindrical, an annular groove (213) is formed in the surface of the threaded connection part of the shell (21), and the O-shaped gasket (4) is nested in the annular groove (213).

The utility model discloses a diesel vehicle is with filter core coupling assembling has following beneficial effect for prior art:

(1) the first sealing ring is arranged at the end parts of the shell and the filter element mounting seat, so that the first sealing ring can be found in time when the shell and the filter element mounting seat are broken, and potential safety hazards caused by oil leakage are prevented;

(2) and an O-shaped gasket is further arranged, so that the sealing effect can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a filter element module part of a filter element connecting assembly for a diesel vehicle according to the present invention;

fig. 2 is a perspective view of a preheating module part of the filter element connecting assembly for a diesel vehicle according to the present invention;

fig. 3 is a perspective view of a first seal ring of the filter element connecting assembly for a diesel vehicle according to the present invention;

fig. 4 is a front sectional view of the filter element connecting assembly for diesel vehicles according to the present invention;

fig. 5 is an enlarged view of the circled area of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in fig. 1, with reference to fig. 2 and 4, the filter element connecting assembly for diesel vehicle of the present invention includes a filter element module 1, a drainage and preheating module 2, a first sealing ring 3 and an O-ring 4.

The filter element module 1 has a filtering effect on diesel oil and adopts the prior art. As shown in fig. 1, it includes a cartridge mounting seat 11 and a cartridge 12, the cartridge mounting seat 11 is cylindrical and is used for sealing the cartridge 12 and connecting the drainage and preheating module 2. The filter element 12 filters diesel oil and is installed inside the filter element installation base 11.

And the drainage and preheating module 2 is used for carrying out preheating treatment on the rape oil and discharging moisture contained in the rape oil. As shown in fig. 2, it includes a housing 21, a heating device 22 and a water discharge valve 23, the heating device 22 is disposed on and fixed with the housing 21, and the water discharge valve 23 is communicated with the housing 21. The diesel oil entering the housing 21 is preheated by the heating device 22, and the separated water is discharged through the drain valve 23 and then enters the filter element 12 for filtration.

The shell 21 and the filter element mounting seat 11 are respectively provided with threads and are fixedly connected through the threads. Specifically, as shown in fig. 4 to 5, the threaded connection portion of the housing 21 is cylindrical, and the surface of the threaded connection portion is provided with an external thread 211; the threaded connection part of the filter element mounting seat 11 is in a cylindrical hole shape, an inner thread 111 is arranged on the inner wall, and the outer thread 211 and the inner thread 111 are in threaded connection. Specifically, the external thread 211 may be selectively disposed on the outer side of the filter cartridge mounting seat 11, and the internal thread 111 may be disposed on the inner side of the housing 21.

Also included, as part of the prior art, is an O-ring gasket 4 which nests over the housing 21 and seals against the housing 21 and cartridge mount 11 in the axial direction. In an alternative embodiment, the threaded connection portion of the housing 21 is cylindrical, the surface of the threaded connection portion of the housing 21 is provided with an annular groove 213, and the O-ring 4 is nested in the annular groove 213.

Because the O-shaped gasket 4 is arranged on the inner side of the filter element mounting seat 11, the O-shaped gasket is easy to break in the screwing process, so that oil leakage is caused, and once the O-shaped gasket is subjected to accidents, the consequences are serious, but the situation that the O-shaped gasket 4 is broken cannot be detected by adopting a conventional detection mode. Therefore, the utility model discloses first sealing washer 3 has been provided, as shown in fig. 3, first sealing washer 3 includes bottom sealing ring 31 and upper portion sealing ring 32, and upper portion sealing ring 32 is extended out by bottom sealing ring 31 surface and forms, and upper portion sealing ring 32 nestification is sealed casing 21 and the 11 radial directions of filter core mount pad on casing 21, and casing 21 and the 11 support terminal surfaces of filter core mount pad are supported respectively to the lower surface on bottom sealing ring 31 and axial direction is sealed. So, can seal to axial and radial two directions, sealed effect is better to in case the condition that takes place first sealing washer 3 fracture, can follow the audio-visual observation of casing 21 and filter core mount pad 11 junction, be convenient for change and maintain. In one embodiment, the bottom sealing ring 31 includes an upper sealing surface 311 and a lower sealing surface 312 which are parallel to each other, the upper sealing ring 32 extends from the upper sealing surface 311, and a continuous annular step surface is formed between the upper sealing ring 32 and the upper sealing surface 311. In one embodiment, the upper seal ring 32 has a cylindrical surface on a side close to the central axis and a circular arc surface on a side far from the central axis. Thus, the inner side of the upper sealing ring 32 can be tightly attached to the housing 21, and the arc surface can be embedded into the filter element mounting seat 11. Specifically, the root of the threaded connection portion is provided with an annular support 212, the bottom surface of the bottom sealing ring 31 abuts against the surface of the annular support 212, and the inner side of the upper sealing ring 32 abuts against the surface of the annular support 212. Specifically, the bottom end surface of the mounting seat 11 abuts against the upper surface of the bottom sealing ring 31, and the outer side of the upper sealing ring 32 abuts against the cylindrical hole-shaped surface of the mounting seat 11.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter element connecting assembly for a diesel vehicle comprises a filter element module (1) and a drainage and preheating module (2), wherein the filter element module (1) comprises a filter element mounting seat (11) and a filter element (12), the filter element mounting seat (11) is cylindrical, and the filter element (12) is mounted inside the filter element mounting seat (11); the water drainage and preheating module (2) comprises a shell (21), a heating device (22) and a water drainage valve (23), wherein the heating device (22) is arranged on the shell (21) and fixed with the shell, and the water drainage valve (23) is communicated with the shell (21); threads are respectively arranged on the shell (21) and the filter element mounting seat (11) and are fixedly connected through the threads; the method is characterized in that: still include first sealing washer (3), first sealing washer (3) include bottom sealing ring (31) and upper portion sealing ring (32), and upper portion sealing ring (32) are extended by bottom sealing ring (31) surface and are formed, and upper portion sealing ring (32) nestification is sealed casing (21) and filter core mount pad (11) radial direction on casing (21), and casing (21) and filter core mount pad (11) support terminal surface and axial direction are sealed to the upper and lower surface of bottom sealing ring (31) respectively.

2. The filter cartridge connecting assembly for a diesel vehicle as set forth in claim 1, wherein: the bottom sealing ring (31) comprises an upper sealing surface (311) and a lower sealing surface (312) which are parallel to each other, the upper sealing ring (32) extends from the upper sealing surface (311), and a continuous annular step surface is formed between the upper sealing ring (32) and the upper sealing surface (311).

3. The filter cartridge connecting assembly for a diesel vehicle as set forth in claim 1, wherein: one side of the upper sealing ring (32) close to the central shaft is a cylindrical surface, and the side far away from the central shaft is an arc surface.

4. The filter cartridge connecting assembly for a diesel vehicle as set forth in claim 1, wherein: the threaded connection part of the shell (21) is cylindrical, an external thread (211) is arranged on the surface of the threaded connection part, an annular support part (212) is arranged at the root of the threaded connection part, the bottom surface of the bottom sealing ring (31) abuts against the surface of the annular support part (212), and the inner side of the upper sealing ring (32) abuts against the surface of the annular support part (212).

5. The filter cartridge connecting assembly for a diesel vehicle as set forth in claim 4, wherein: filter core mount pad (11) threaded connection position is the cylinder poroid, and the inner wall is provided with internal thread (111), and mount pad (11) bottom terminal surface supports each other with bottom sealing ring (31) upper surface and holds, and the upper portion sealing ring (32) outside supports each other with mount pad (11) cylinder poroid surface.

6. The filter cartridge connecting assembly for a diesel vehicle as set forth in claim 1, wherein: the filter element mounting seat further comprises an O-shaped gasket (4), wherein the O-shaped gasket (4) is nested on the shell (21) and seals the shell (21) and the filter element mounting seat (11) in the axial direction.

7. The filter cartridge connecting assembly for a diesel vehicle as set forth in claim 6, wherein: the threaded connection part of the shell (21) is cylindrical, an annular groove (213) is formed in the surface of the threaded connection part of the shell (21), and the O-shaped gasket (4) is nested in the annular groove (213).