CN215979650U

CN215979650U - Magnetic self-sealing type rotary filter element for diesel engine

Info

Publication number: CN215979650U
Application number: CN202121879220.8U
Authority: CN
Inventors: 李红娟; 吴敏; 汪文君; 高武岳; 曾洁雨; 程莹伟; 谢莹; 张振
Original assignee: Collins Fluid Equipment Shanghai Co ltd
Current assignee: Collins Fluid Equipment Shanghai Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-08
Anticipated expiration: 2031-08-11

Abstract

The utility model belongs to the technical field of filter elements, and particularly relates to a magnetic self-sealing type diesel engine spin-on filter element, which comprises a shell and is characterized in that a compression spring is arranged at the bottom in the shell, a lower cover is arranged above the compression spring, a framework is arranged at the top of the lower cover, an upper cover is arranged at the top of the framework, a filter screen is arranged on the framework, two ends of the filter screen are connected with the upper cover and the lower cover, and a self-closing mechanism is arranged at the top of the upper cover. Making it more practical.

Description

Magnetic self-sealing type rotary filter element for diesel engine

Technical Field

The utility model relates to the technical field of filter elements, in particular to a magnetic self-sealing type diesel engine spin-on filter element.

Background

Currently, existing filter elements can be divided into: the filter element for oil suction and the filter element for oil return are used for preventing potential accidents caused by overhigh back pressure formed by blocking the filter element or overhigh vacuum degree of pumping oil, and the filter element for oil suction and return is generally replaced when reaching a certain differential pressure value. Traditional filter core, increase along with the pollutant of filter screen interception, the filter core is low reaches the pressure differential progressively and is increaseed, when pressure differential reaches filter signaling device setting value, signaling device reports to the police, the filter core will be changed this moment, some pollutants on the filter screen can flow into the pipeline along with fluid when changing, cause secondary pollution, perhaps can not shut down, the filter core is not changed in time, the pollutant will directly get into the oil tank along with fluid from the bypass valve, some that have adsorbed on the filter screen pollutant also can be along with high-speed flowing fluid brings the oil tank into from the bypass valve, the pollution to whole oil tank has been caused, the wearing and tearing to hydraulic component have been accelerated, shorten hydraulic component's life, cause the complete machine trouble even.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background technology, the utility model provides a magnetic self-sealing type diesel engine spin-on filter element which has the characteristic of preventing secondary pollution of an oil tank.

(II) technical scheme

In order to solve the technical problem, the utility model provides a magnetic self-sealing type diesel engine spin-on filter element, which comprises a shell and is characterized in that a compression spring is arranged at the bottom in the shell, a lower cover is arranged above the compression spring, a framework is arranged at the top of the lower cover, an upper cover is arranged at the top of the framework, a filter screen is arranged on the framework, two ends of the filter screen are connected with the upper cover and the lower cover, a self-closing mechanism is arranged at the top of the upper cover, a shell cover is arranged above the self-closing mechanism and sleeved on the shell, a filter head is connected above the shell cover, the self-closing mechanism comprises a plug, a magnetic ring plate, a return spring and guide rods, a plurality of guide rods are arranged at the top of the shell, the return spring is sleeved on the guide rods, one end of the return spring is connected with the magnetic ring plate sleeved on the magnetic ring plate, a plurality of the plug is arranged at the top of the magnetic ring plate, and an oil outlet is arranged at the top of the shell cover, the oil outlet is connected with the filter head through an oil outlet pipe, the top of the shell cover is provided with a plurality of oil inlets arranged on the periphery of the oil outlet, and the oil inlets correspond to the plugs.

Preferably, the top of the upper cover is provided with a hole channel corresponding to the oil outlet, one end of the oil outlet pipe is inserted into the hole channel, and the oil outlet pipe is in threaded connection with the inner wall of the oil outlet.

Preferably, the diameter of the lower portion of the flow line is the same as the diameter of the bore.

Preferably, a magnetic isolating layer is embedded at the bottom of the magnetic coil plate.

Preferably, a sealing ring is arranged between the side wall of the plug and the inner wall of the oil inlet, and a sealing ring is arranged between the inner wall of the pore channel and the outer wall of the oil outlet pipe.

Preferably, the filter head is in threaded connection with the shell cover, the filter head is fixedly connected with one end of the oil outlet pipe, and the filter head is communicated with a channel in the oil outlet pipe.

The technical scheme of the utility model has the following beneficial technical effects: in this embodiment, the device can effectual prevention oil tank secondary pollution, can avoid when the renew cartridge, some pollutants on the filter screen can cause secondary pollution along with fluid inflow pipeline, has also avoided adsorbing some of the pollutant on the filter screen simultaneously and has brought into the oil tank along with high-speed flowing fluid from the bypass valve, has caused the pollution to whole oil tank, has accelerated the wearing and tearing to hydraulic component to improve hydraulic component's life, make its practicality stronger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention in operation;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention in operation;

FIG. 4 is an enlarged view of A in FIG. 3 according to the present invention.

Reference numerals:

1. a housing; 2. a shell cover; 3. a filter head; 4. an oil outlet; 5. an oil inlet; 6. a plug; 7. a magnetic coil plate; 8. a return spring; 9. a guide bar; 10. an upper cover; 11. filtering with a screen; 12. a framework; 13. a lower cover; 14. a compression spring; 15. a duct; 16. an oil outlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the magnetic self-sealing type spin-on filter element for a diesel engine provided by the utility model comprises a housing 1, wherein a compression spring 14 is arranged at the bottom of the housing 1, a lower cover 13 is arranged above the compression spring 14, a framework 12 is arranged at the top of the lower cover 13, an upper cover 10 is connected to the top of the framework 12, and a filter screen 11 is arranged on the framework 12.

In this embodiment, the filter screen 11 is fixedly connected with the framework 12, two ends of the filter screen 11 are respectively fixedly connected with the lower cover 13 and the upper cover 10, and the top of the upper cover 10 is provided with a pore passage 15, so that the filtered oil can be conveniently led out subsequently; the combination of the lower cover 13, the framework 12, the filter screen 11 and the upper cover 10 can be supported by the compression spring 14, and a certain buffering effect can be generated to buffer the force on the lower cover 13 so as to achieve a certain protection effect.

Be equipped with the self-closing mechanism at the top of guide arm 9, the self-closing mechanism includes stopper 6, magnetic ring board 7, reset spring 8 and guide arm 9, a plurality of guide arm 9 fixed mounting are at the top of upper cover 10 and are located the periphery of pore 15, the cover is equipped with reset spring 8 on guide arm 9, reset spring 8's one end is connected with the magnetic ring board 7 that the cover was established on guide arm 9 and is connected, a plurality of stoppers 6 are installed at the top of magnetic ring board 7, and stopper 6 inserts in the oil inlet 5 that 2 tops of cap that right top cover was established were seted up.

In the embodiment, the shell cover 2 is in threaded connection with the shell 1, the bottom of the magnetic ring plate 7 is provided with a magnetic isolating layer, so that mutual attraction between the magnetic ring plate 7 and the upper cover 10 is avoided, certain influence is caused on a closed space inside the shell 1 formed by matching the plug 6 with the oil inlet 5, and oil containing dirt is prevented from being mixed into an oil tank to pollute the oil in the oil tank when the filter element is replaced; and a sealing ring is arranged between the outer wall of the plug 6 and the inner wall of the oil inlet 5, so that the sealing property is improved.

In this example, the inner diameter of the magnetic ring plate 7 is the same as the diameter of the hole 15, which facilitates the subsequent adaptation to the oil outlet pipe 16.

A filter head 3 is arranged above the casing cover 2, an oil outlet pipe 16 is arranged at the bottom of the filter head 3, one end of the oil outlet pipe 16 is inserted into the oil outlet 4, and the lower part of the oil outlet pipe 16 passes through the magnetic coil plate 7 and the pore passage 15.

In this embodiment, the filter head 3 is screwed to the inner wall of the housing cover 2, the oil outlet pipe 16 is screwed to the inner wall of the oil outlet 4, the upper end of the oil outlet pipe 16 is fixedly connected to the filter head 3, the oil outlet pipe 16 is communicated with the inner channel of the filter head 3, the diameter of the lower portion of the oil outlet pipe 16 is the same as that of the hole passage 15, and a sealing ring is arranged between the outer wall of the oil outlet pipe 16 and the inner wall of the hole passage 15, so that the sealing performance between the oil outlet pipe 16 and the upper cover 10 is improved.

The working principle and the using process of the utility model are as follows: through the separation between the filter head 3 and the oil outlet pipe 16 and the shell cover 2, the downward acting force of the oil outlet pipe 16 on the magnetic ring plate 7 disappears, so that the magnetic ring plate 7 performs reset motion under the action of the elastic force of the reset spring 8, the reset spring 8 pushes the magnetic ring plate 7 to move on the guide rod 9 so as to push the plug 6 to be inserted into the oil inlet 5, the oil inlet 5 is sealed, unfiltered oil in the shell 1 is sealed in the shell 1, the phenomenon that the oil containing impurities flows into the oil tank to cause pollution when the filter element is replaced is avoided, the abrasion to a hydraulic element is accelerated, and the service life of the hydraulic element is shortened; through being connected with filter head 3 and play oil pipe 16 during the filter core installation, thereby it makes the magnetic ring board 7 move down compression reset spring 8 and drive stopper 6 and break away from oil inlet 5 to produce a decurrent effort to magnetic ring board 7 through going out oil pipe 16, and then make oil inlet 5 and shell 1 inside be linked together, thereby realize that normal work filters oil, the device can effectual prevention oil tank secondary pollution, improve hydraulic component life, it is more convenient to use, the practicality is stronger.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The magnetic self-sealing type rotary filter element for the diesel engine comprises a shell (1) and is characterized in that a compression spring (14) is arranged at the bottom of the shell (1), a lower cover (13) is arranged above the compression spring (14), a framework (12) is arranged at the top of the lower cover (13), an upper cover (10) is arranged at the top of the framework (12), a filter screen (11) is installed on the framework (12), two ends of the filter screen (11) are connected with the upper cover (10) and the lower cover (13), a self-closing mechanism is arranged at the top of the upper cover (10), a shell cover (2) is arranged above the self-closing mechanism and sleeved on the shell (1), a filter head (3) is connected above the shell cover (2), the self-closing mechanism comprises a plug (6), a magnetic ring plate (7), a reset spring (8) and a guide rod (9), and the guide rod (9) is installed at the top of the shell (1), the oil filter is characterized in that a reset spring (8) is sleeved on the guide rod (9), one end of the reset spring (8) is connected with a magnetic ring plate (7) which is sleeved on the guide rod (9) in a sleeved mode, the plug (6) is installed at the top of the magnetic ring plate (7), an oil outlet (4) is formed in the top of the shell cover (2), a filter head (3) is connected to the oil outlet (4) through an oil outlet pipe (16), the top of the shell cover (2) is arranged on the periphery of the oil outlet (4) in a set mode and is provided with a plurality of oil inlets (5), and the oil inlets (5) correspond to the plug (6).

2. The spin-on filter element of the magnetic self-sealing diesel engine according to claim 1, wherein a hole (15) is opened at the top of the upper cover (10), the hole (15) corresponds to the oil outlet (4), one end of the oil outlet pipe (16) is inserted into the hole (15), and the oil outlet pipe (16) is in threaded connection with the inner wall of the oil outlet (4).

3. The spin-on filter cartridge for the magnetic self-sealing diesel engine according to claim 2, wherein the diameter of the lower part of the oil outlet pipe (16) is the same as that of the duct (15).

4. The magnetic self-sealing spin-on filter element for the diesel engine as claimed in claim 1, wherein a magnetic separation layer is embedded in the bottom of the magnetic ring plate (7).

5. The magnetic self-sealing type spin-on filter element for the diesel engine as claimed in claim 2, wherein a sealing ring is arranged between the side wall of the plug (6) and the inner wall of the oil inlet (5), and a sealing ring is arranged between the inner wall of the pore passage (15) and the outer wall of the oil outlet pipe (16).

6. The magnetic self-sealing type spin-on filter element for the diesel engine according to claim 1, wherein the filter head (3) is connected with the shell cover (2) in a threaded manner, the filter head (3) is fixedly connected with one end of the oil outlet pipe (16), and the filter head (3) is communicated with a channel in the oil outlet pipe (16).