Filter assembly

Abstract

The utility model relates to the technical field of filters, and discloses a filter assembly which comprises a filter part, the filter part comprises a shell part, inner cavities are formed in the shell part, filter elements are installed in the two inner cavities, a liquid inlet part and a liquid outlet part are installed on the shell part, a first conveying channel is formed in the liquid inlet part, and a second conveying channel is formed in the liquid outlet part. A second conveying channel is formed in the liquid inlet piece; the first conveying channel comprises a liquid inlet end and two liquid outlet ends, the second conveying channel comprises two liquid inlet ends and a liquid outlet end, and valves are mounted at the two liquid outlet ends of the first conveying channel; by arranging the shell part, the liquid inlet piece and the liquid outlet piece, after the liquid inlet piece and the liquid outlet piece are connected with a pipeline for conveying oil liquid, one valve on the liquid inlet piece can be opened, so that the oil liquid flows along the first conveying channel for opening the valve on the liquid inlet piece, a filter element does not need to be replaced after shutdown, and the working efficiency of the device is improved; the replacement difficulty of the filter element is reduced, and the replacement efficiency of the filter element is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technology field especially is a kind of filter assembly. BACKGROUND

[0002] In various mechanical equipment, filter is one of the key components to ensure the normal operation of equipment. For example, the engine needs to inhale clean air, use pure fuel and oil during operation to reduce wear, improve combustion efficiency and prolong engine life. The existing filter has certain defects when in use, that is, the filter core inside the device needs to be replaced periodically because the filter core filters oil to remove impurities in the oil. Therefore, the filter core needs to be replaced after shutdown, which reduces the working efficiency of the device and makes the replacement of the filter core difficult and inefficient. SUMMARY

[0003] The utility model provides a kind of filter assembly to solve the problem that existing device needs to replace filter core.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of filter assembly, including filter piece, the filter piece includes shell portion, two incommunicable inner cavities are formed in the shell portion, filter core is installed in the inside of two inner cavities, and liquid inlet piece and liquid outlet piece are installed on the shell portion, the first conveying channel that oil is conveyed along first preset path is formed on the liquid inlet piece, the second conveying channel that oil is conveyed along second preset path is formed on the liquid outlet piece;

[0005] The first conveying channel includes one liquid inlet end and two liquid outlet ends, the second conveying channel includes two liquid inlet ends and one liquid outlet end, the two liquid outlet ends of first conveying channel are communicated with two inner cavities respectively, the two liquid inlet ends of second conveying channel are communicated with two inner cavities respectively, and the two liquid inlet ends of second conveying channel extend to the inside of filter core, and valve is installed on the two liquid outlet ends of first conveying channel.

[0006] Preferably, the shell portion includes a tank body, two inner cavities are formed at both ends of the tank body, and end covers for shielding the inner cavities are rotatably connected to both ends of the tank body.

[0007] Preferably, two connecting rods are symmetrically and fixedly connected to one side of the end cover facing the filter core, and a scraping ring for scraping the outside of the filter core is fixedly connected between the two connecting rods.

[0008] Preferably, the liquid inlet piece includes two second one-way valves, both of which are fixedly connected to the tank body, and the liquid outlet ends of the two second one-way valves are communicated with the two inner cavities respectively, a T-shaped pipe is arranged between the two second one-way valves, and two valves are arranged between the two second one-way valves and the T-shaped pipe respectively.

[0009] Preferably, the liquid outlet piece comprises a liquid outlet hose and two first one-way valves, the two first one-way valves are fixedly connected to the two end covers respectively, one side of each of the two first one-way valves is fixedly connected with a connecting pipe, both ends of the liquid outlet hose are rotatably connected with connecting heads, the connecting heads are matched with the connecting pipes, and one side of the liquid outlet hose is fixedly connected with a liquid outlet head.

[0010] Preferably, the inner wall of the inner cavity is inwardly recessed to form a positioning groove, and one end of the filter element is outwardly protruded to form a positioning protrusion, and the positioning protrusion is in interference fit with the positioning groove.

[0011] Preferably, a sealing ring is sleeved on the connecting head.

[0012] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0013] (1) The application is provided with a shell part, a liquid inlet piece and a liquid outlet piece, in use, after the liquid inlet piece and the liquid outlet piece are connected with a pipeline conveying oil, one of the valves on the liquid inlet piece is opened, the oil flows along the first conveying channel of the opened valve on the liquid inlet piece, the filter element corresponding to the closed valve can be replaced, the other first conveying channel can normally convey oil, the filter element does not need to be replaced during shutdown, the working efficiency of the device is improved, the difficulty of replacing the filter element is reduced, and the replacement efficiency of the filter element is improved.

[0014] (2) The application is provided with an end cover, a connecting rod and a scraping ring, in use, the end cover is rotated to separate the end cover from the tank body, the connecting rod and the scraping ring are moved by the end cover, the filter element is scraped by the scraping ring, the impurities remaining on the filter element are cleaned, the service life of the filter element is prolonged, and the use cost of the device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0016] Figure 1 It is one of the perspective views of the utility model;

[0017] Figure 2 It is the second perspective view of the utility model;

[0018] Figure 3 It is the third perspective view of the utility model;

[0019] Figure 4 It is the explosion view of the utility model for removing the liquid outlet hose;

[0020] Figure 5 It is the perspective view of the end cover of the utility model;

[0021] Figure 6 It is the sectional view of the tank body of the utility model;

[0022] Figure 7 It is the perspective view of the liquid outlet hose of the utility model;

[0023] In the drawing: 1, filter piece;11, tank body;12, end cover;13, connecting rod;14, scraping ring;15, filter core;16, inner cavity;17, positioning protrusion;18, positioning groove;2, liquid outlet piece;21, first one-way valve;22, connecting pipe;23, liquid outlet hose;24, connecting head;25, liquid outlet head;26, sealing ring;3, liquid inlet piece;31, second one-way valve;32, valve;33, T-shaped pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1-7 shown, a filter assembly comprises a filter piece 1, the filter piece 1 comprises a shell part, two inner cavities 16 are formed inside the shell part, filter cores 15 are installed inside the two inner cavities 16, and a liquid inlet piece 3 and a liquid outlet piece 2 are installed on the shell part, a first conveying passage conveying oil along a first preset path is formed on the liquid inlet piece 3, and a second conveying passage conveying oil along a second preset path is formed on the liquid outlet piece 2.

[0026] The first conveying passage comprises one liquid inlet end and two liquid outlet ends, the second conveying passage comprises two liquid inlet ends and one liquid outlet end, the two liquid outlet ends of the first conveying passage are communicated with the two inner cavities 16 respectively, the two liquid inlet ends of the second conveying passage are communicated with the two inner cavities 16 respectively, and the two liquid inlet ends of the second conveying passage extend to the inside of the filter cores 15, and the two liquid outlet ends of the first conveying passage are both installed with valves 32.

[0027] By the technical scheme, when the device is used, a pipeline for conveying the oil liquid to be filtered is connected with the liquid inlet end of the first conveying channel, a pipeline for conveying the filtered oil liquid is connected with the liquid outlet end of the second conveying channel, one of the valves 32 on the liquid outlet end of the first conveying channel is opened and the other valve 32 is closed after the oil liquid is conveyed to the liquid inlet end of the first conveying channel, the oil liquid is filtered by the filter element 15 after being conveyed to the inner cavity 16 in the housing part, the oil liquid is retained outside the filter element 15, the filtered oil liquid reaches the inside of the filter element 15 after passing through the filter element 15 and then flows into the liquid outlet piece 2, the filtered oil liquid is guided to flow by the second conveying channel, and the filtered oil liquid is conveyed to a position where it needs to be discharged, when one of the filter elements 15 in the inner cavities 16 needs to be replaced, the valve 32 corresponding to the inner cavity 16 is closed and the valve 32 corresponding to the other inner cavity 16 is opened, so that the filter element 15 can be replaced without stopping the machine.

[0028] Specifically, in an embodiment, regarding the housing part, as shown in Figures 1-4 and Figure 5 , the housing part comprises a tank body 11, two inner cavities 16 are formed at two ends of the tank body 11 and end covers 12 for shielding the inner cavities 16 are rotatably connected to the two ends of the tank body 11.

[0029] In the embodiment, when the pipeline for conveying the oil liquid is connected, one of the valves 32 on the liquid outlet end of the first conveying channel is opened and the other valve 32 is closed after the oil liquid is conveyed to the inner cavities 16 in the tank body 11, the oil liquid is filtered by the filter element 15, the oil liquid is retained outside the filter element 15, the filtered oil liquid reaches the inside of the filter element 15 after passing through the filter element 15 and then flows into the liquid outlet piece 2, the filtered oil liquid is guided to flow by the second conveying channel, and the filtered oil liquid is conveyed to a position where it needs to be discharged, when the filter element 15 needs to be replaced, the end cover 12 is separated from the tank body 11 by rotating the end cover 12, so that the filter element 15 can be taken out and replaced.

[0030] In order to prolong the service life of the filter element 15, as shown in Figure 4 and Figure 5 , two connecting rods 13 are fixedly connected to one side of the end cover 12 towards the filter element 15, and a scraping ring 14 for scraping the outside of the filter element 15 is fixedly connected between the two connecting rods 13.

[0031] In the embodiment, when the end cover 12 is rotated, the end cover 12 synchronously drives the connecting rods 13 and the scraping ring 14 to rotate until the end cover 12 is separated from the tank body 11, the end cover 12 drives the connecting rods 13 and the scraping ring 14 to move by pulling the end cover 12, so that the scraping ring 14 scrapes the surface of the filter element 15, thereby removing the impurities remaining on the surface of the filter element 15 and increasing the service life of the filter element 15.

[0032] Specifically, in an embodiment, regarding the liquid inlet member 3, as shown in Figures 1-2 and Figure 4 the liquid inlet member 3 comprises two second one-way valves 31, both of which are fixedly connected to the tank body 11, and the liquid outlet ends of the two second one-way valves 31 are respectively communicated with the two inner cavities 16, and a T-shaped pipe 33 is arranged between the two second one-way valves 31, and two valves 32 are respectively arranged between the two second one-way valves 31 and the T-shaped pipe 33.

[0033] In the embodiment, the pipeline for conveying the oil to be filtered is connected to the liquid inlet end of the T-shaped pipe 33, when it is necessary to replace the filter element 15 in one of the inner cavities 16, the valve 32 corresponding to the inner cavity 16 is closed, and the valve 32 corresponding to the other inner cavity 16 is opened, so that the oil enters the inner cavity 16 through the second one-way valve 31 for filtration, and the end cover 12 corresponding to the other inner cavity 16 is rotated to expose the inner cavity 16, the corresponding filter element 15 is taken out, and the unused filter element 15 is placed in the inner cavity 16, and the end cover 12 is screw-connected to the tank body 11, so that the replacement of the filter element 15 is completed, and the replacement of the filter element does not need to stop the machine.

[0034] In addition, in the utility model, regarding the liquid outlet member 2, as shown in Figures 1-3 and Figure 7 the liquid outlet member 2 comprises a liquid outlet hose 23 and two first one-way valves 21, both of which are fixedly connected to the two end covers 12, and one side of each of the two first one-way valves 21 is fixedly connected with a connecting pipe 22, both ends of the liquid outlet hose 23 are rotatably connected with a connecting head 24, the connecting head 24 is matched with the connecting pipe 22, and one side of the liquid outlet hose 23 is fixedly connected with a liquid outlet head 25.

[0035] In the embodiment, before the device is used, the connecting head 24 is screw-connected with the connecting pipe 22, so that the liquid outlet hose 23 is installed between the two first one-way valves 21, after the filter element 15 filters the oil, the oil flows into the first one-way valve 21, and after being discharged through the first one-way valve 21, the filtered oil is conveyed through the liquid outlet hose 23, and finally discharged through the liquid outlet head 25.

[0036] When the filter element 15 is installed, in order to facilitate the installation of the filter element 15, as shown in Figure 4 and Figure 6 the inner wall of the inner cavity 16 is inwardly recessed to form a positioning groove 18, one end of the filter element 15 is outwardly protruded to form a positioning protrusion 17, and the positioning protrusion 17 is in interference fit with the positioning groove 18.

[0037] In the embodiment, when the filter element 15 is installed in the inner cavity 16, the positioning groove 18 and the positioning protrusion 17 are matched to make the filter element 15 more firmly installed in the inner cavity 16.

[0038] In order to increase the sealing between the connecting head 24 and the connecting pipe 22, as shown in Figure 7 a sealing ring 26 is sleeved on the connecting head 24.

[0039] In this embodiment, when the connecting head 24 is connected with the connecting pipe 22, the sealing between the connecting head 24 and the connecting pipe 22 is increased by the cooperation of the sealing ring 26.

[0040] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A filter assembly comprising a filter element (1), characterized in that: The filter (1) comprises a shell part, two unconnected inner cavities (16) are formed inside the shell part, filter cores (15) are mounted inside the two inner cavities (16), and a liquid inlet member (3) and a liquid outlet member (2) are mounted on the shell part, the liquid inlet member (3) is formed with a first conveying channel conveying oil along a first preset path, and the liquid outlet member (2) is formed with a second conveying channel conveying oil along a second preset path. The first conveying channel comprises one liquid inlet end and two liquid outlet ends, the second conveying channel comprises two liquid inlet ends and one liquid outlet end, the two liquid outlet ends of the first conveying channel are communicated with the two inner cavities (16) respectively, the two liquid inlet ends of the second conveying channel are communicated with the two inner cavities (16) respectively, and the two liquid inlet ends of the second conveying channel extend into the filter cores (15), and the two liquid outlet ends of the first conveying channel are both mounted with valves (32).

2. A filter assembly according to claim 1, characterized in that: The shell part comprises a tank body (11), the two inner cavities (16) are formed open at two ends of the tank body (11), and end covers (12) for shielding the inner cavities (16) are screw-connected to the two ends of the tank body (11).

3. A filter assembly according to claim 2, wherein: The end cover (12) is fixedly connected with two connecting rods (13) symmetrically on a side facing the filter core (15), and a scraping ring (14) for scraping the outer side of the filter core (15) is fixedly connected between the two connecting rods (13).

4. A filter assembly according to claim 2 or 3, characterised in that: The liquid inlet member (3) comprises two second one-way valves (31), the two second one-way valves (31) are fixedly connected to the tank body (11), the liquid outlet ends of the two second one-way valves (31) are communicated with the two inner cavities (16) respectively, a T-shaped pipe (33) is arranged between the two second one-way valves (31), and the two valves (32) are arranged between the two second one-way valves (31) and the T-shaped pipe (33) respectively.

5. A filter assembly according to claim 2 or 3, characterised in that: The liquid outlet member (2) comprises a liquid outlet hose (23) and two first one-way valves (21), the two first one-way valves (21) are fixedly connected to the two end covers (12) respectively, one side of each of the two first one-way valves (21) is fixedly connected with a connecting pipe (22), both ends of the liquid outlet hose (23) are rotatably connected with connecting heads (24), the connecting heads (24) are matched with the connecting pipes (22), and one side of the liquid outlet hose (23) is fixedly connected with a liquid outlet head (25).

6. A filter assembly according to claim 2, wherein: The inner wall of the inner cavity (16) is inwardly recessed to form a positioning groove (18), one end of the filter core (15) is outwardly protruded to form a positioning protrusion (17), and the positioning protrusion (17) is in interference fit with the positioning groove (18).

7. A filter assembly according to claim 5, wherein: The connecting head (24) is sleeved with a sealing ring (26).

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