CN212959369U

CN212959369U - Oil return filter with bypass filtering function

Info

Publication number: CN212959369U
Application number: CN202021632678.9U
Authority: CN
Inventors: 冯琳峰; 孙佩佩; 贾超; 崔丽娜
Original assignee: Xinxiang Deshengwei Filter Purification Equipment Co ltd
Current assignee: Xinxiang Deshengwei Filter Purification Equipment Co ltd
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-04-13
Anticipated expiration: 2030-08-08

Abstract

The utility model discloses a take bypass filtering capability's oil return filter, including oil return filter body, the return bend is installed to one side of oil return filter body, the bottom of return bend is fixed with bypass filter, bypass filter is including the filter tube, the top of filter tube is fixed with fixed pipe, the inside of filter tube is fixed with hollow tube, open the inside of hollow tube has internal thread three, internal thread three's inside threaded connection has the filter tube, the inside of filter tube is fixed with the filter core, the top of hollow tube is fixed with the limiting plate, oil return filter body is including the cartridge filter, the fixed intercommunication in one side of cartridge filter has the connecting pipe, the one end of return bend and connecting pipe all is fixed with the connection pad, the connecting hole has all been opened to one side of two connection. The utility model discloses the filter core can carry out and filter this internal oil that enters into the oil return filter, and bypass filter can alleviate the filterable burden of oil return filter body, improves oil return filter body and crosses the quality and the life of filter oil.

Description

Oil return filter with bypass filtering function

Technical Field

The utility model relates to an oil return filter technical field especially relates to a take bypass filtering capability's oil return filter.

Background

The oil return pipeline arranged at the tail end of the system is used for filtering out pollutants generated or invaded in the system before returning to the oil tank. It is therefore one of the most important filters to control the cleanliness of system contamination. Although the low pressure line is used, pulsation or pressure shock occurs depending on the operating conditions of the transmission, and therefore, the material and strength of the element are considered sufficiently.

The oil return filter among the prior art can not carry out the primary filtration to the oil that enters into the oil return filter body, and the filterable burden of oil return filter body is overweight, leads to the oil return filter body to cross the quality of oil relatively poor and life reduction. Therefore, it is desirable to design an oil return filter with a bypass filtering function to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problem that the oil that exists among the prior art can not carry out this internal oil to entering into the oil return filter and carry out the prefilter, and the filterable burden of oil return filter body is overweight, leads to the oil return filter body to cross the relatively poor and life reduction shortcoming of quality of oil, and the oil return filter of taking bypass filtering capability who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a take bypass filtering capability's oil return filter, includes oil return filter body, the return bend is installed to one side of oil return filter body, the bottom of return bend is fixed with bypass filter, bypass filter is including the filter tube, the top of filter tube is fixed with fixed pipe, the inside of filter tube is fixed with hollow tube, open the inside of hollow tube has internal thread three, the inside threaded connection of internal thread three has the filter tube, the inside of filter tube is fixed with the filter core, the top of hollow tube is fixed with the limiting plate, oil return filter body is including the cartridge filter, the fixed intercommunication in one side of cartridge filter has the connecting pipe, the one end of return bend and connecting pipe all is fixed with the connection pad, two the connecting hole has all been opened to one side of connection pad.

The key concept of the technical scheme is as follows: the burden of the oil return filter body for filtering can be reduced, and the quality and the service life of oil return filter body for filtering oil are improved.

Further, a top cover is installed at the top of the filter cylinder through bolts, and a woven net is fixed at the bottom of the filter cylinder.

Furthermore, a fixing plate is welded on the outer wall of the filter cylinder, and a fixing hole is formed in the top of the fixing plate.

Furthermore, the outer wall of the bottom end of the bent pipe is provided with a first external thread, the inner part of the fixed pipe is provided with a first internal thread, and the fixed pipe is connected to the first external thread through the first internal thread.

Furthermore, the bottom of the filter pipe is in threaded connection with a fixing cap, an extension cover is welded at the bottom of the fixing cap, and a conveying pipe is fixed at the bottom of the extension cover.

Furthermore, a mounting disc is fixed at the bottom end of the conveying pipe, and a mounting hole is formed in the top of the mounting disc.

Furthermore, the outer wall of the bottom end of the filter pipe is provided with a second external thread, the inner part of the fixing cap is provided with a second internal thread, and the fixing cap is arranged on the second external thread through the second internal thread.

The utility model has the advantages that:

1. through the bypass filter who sets up, the filter core in the inside chimney filter of bypass filter can carry out and filter the oil that enters into the oil return filter body, and bypass filter can alleviate the filterable burden of oil return filter body, improves oil return filter body and crosses the quality and the life of oily.

2. Through the internal thread three and the limiting plate that set up, the filter tube screw thread is installed in the internal thread three in the hollow tube, and the filter tube is convenient for to change simultaneously in the installation of the filter tube of not only being convenient for of internal thread three, improves the convenience of filter tube installation and change, and the limiting plate can carry out spacingly to the filter tube, prevents that the filter tube from breaking away from internal thread three.

3. Through the mounting disc and the mounting hole that set up, the extension cover fixed mounting of bypass filter bottom can be convenient for to the mounting disc to the assigned position, and mounting hole and bolt cooperation can be with mounting disc fixed mounting to the assigned position, have improved the convenience and the stability of bypass filter installation.

4. Through the connection pad and the connecting hole that set up, the installation of return bend and connecting pipe of being convenient for of connection pad, the return bend and connecting pipe can be fixed through bolt and connecting hole cooperation to the connection pad, improves the stability that bypass filter passes through return bend and oil filter body.

Drawings

Fig. 1 is a schematic view of an overall structure of an oil return filter with a bypass filtering function according to the present invention;

fig. 2 is a schematic diagram of an explosion structure of a bypass filter of an oil return filter with a bypass filtering function according to the present invention;

fig. 3 is the internal structure schematic diagram of a bypass filter of an oil return filter with a bypass filtering function provided by the present invention.

In the figure: 1 oil return filter body, 2 return pipes, 3 bypass filters, 4 filter pipes, 5 fixed pipes, 6 fixed caps, 7 expansion covers, 8 delivery pipes, 9 mounting discs, 10 mounting holes, 11 connecting discs, 12 connecting holes, 13 fixing plates, 14 fixing holes, 15 top covers, 16 filter cylinders, 17 connecting pipes, 18 woven meshes, 19 external threads I, 20 internal threads I, 21 external threads II, 22 internal threads II, 23 hollow pipes, 24 limiting plates, 25 filter pipes, 26 internal threads III and 27 filter elements.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 belong to the protection scope of the present invention.

Referring to fig. 1 to 3, an oil return filter with a bypass filtering function includes an oil return filter body 1, an elbow 2 is installed at one side of the oil return filter body 1, a bypass filter 3 is fixed at the bottom of the elbow 2, the bypass filter 3 includes a filter tube 4, a fixed tube 5 is fixed at the top of the filter tube 4, a hollow tube 23 is fixed inside the filter tube 4, an internal thread three 26 is opened inside the hollow tube 23, the filter tube 6 is installed in the internal thread three 26 inside the hollow tube 23 in a threaded manner, the internal thread three 26 not only facilitates installation of the filter tube 6, but also facilitates replacement of the filter tube 6, improves convenience of installation and replacement of the filter tube 6, the filter tube 25 is connected to the internal thread of the internal thread three 26 in a threaded manner, a filter element 27 is fixed inside the filter tube 25, the filter element 27 can filter oil entering the oil return filter body 1, and the bypass filter 3 can reduce filtering burden of the oil return filter body 1, improve the quality and the life of oil return filter body 1 filtration oil, the top of hollow tube 23 is fixed with limiting plate 24, limiting plate 24 can carry out spacingly to chimney 6, prevent that chimney 6 from breaking away from internal thread three 26, oil return filter body 1 is including cartridge filter 16, the fixed intercommunication in one side of cartridge filter 16 has connecting pipe 17, the one end of return bend 2 and connecting pipe 17 all is fixed with connection pad 11, connection pad 11 is convenient for the installation of return bend 2 with connecting pipe 17, connecting hole 12 has all been opened to one side of two connection pads 11, return bend 2 and connecting pipe 17 can be fixed through the cooperation of bolt and connecting hole 12 to connection pad 11, improve bypass filter 3 and pass through the stability of return bend 2 with oil filter body 1.

As can be seen from the above description, the present invention has the following advantages: through the bypass filter 3 who sets up, the filter core 27 in the inside chimney 6 of bypass filter 3 can filter the oil that enters into in the oil return filter body 1, and bypass filter 3 can alleviate the filterable burden of oil return filter body 1, improves oil return filter body 1 and filters the quality and the life of oil.

Further, a top cover 15 is installed on the top of the filter cartridge 16 through bolts, the top cover 15 seals and fixes the top of the filter cartridge 16, and a woven net 18 is fixed to the bottom of the filter cartridge 16.

Further, the outer wall of the filter cartridge 16 is welded with a fixing plate 13, the fixing plate 13 is convenient for the filter cartridge 16 to be fixedly mounted at a designated position, and the top of the fixing plate 13 is provided with a fixing hole 14.

Furthermore, the outer wall of the bottom end of the elbow pipe 2 is provided with a first external thread 19, the inner part of the fixed pipe 5 is provided with a first internal thread 20, and the fixed pipe 5 is in threaded connection with the first external thread 19 through the first internal thread 20.

Furthermore, the bottom of the filter pipe 4 is in threaded connection with a fixing cap 6, an extension cover 7 is welded at the bottom of the fixing cap 6, and a conveying pipe 8 is fixed at the bottom of the extension cover 7.

Further, the bottom end of the conveying pipe 8 is fixed with a mounting disc 9, the mounting disc 9 can be convenient for fixedly mounting the extension cover 7 at the bottom of the bypass filter 3 to an appointed position, a mounting hole 10 is formed in the top of the mounting disc 9, the mounting hole 10 and a bolt are matched to fixedly mount the mounting disc 9 to the appointed position, and convenience and stability in mounting the bypass filter 3 are improved.

Furthermore, the outer wall of the bottom end of the filter pipe 4 is provided with a second external thread 21, the inner part of the fixing cap 6 is provided with a second internal thread 22, and the fixing cap 6 is screwed on the second external thread 21 through the second internal thread 22.

Adopt the mounting disc 9 and the mounting hole 10 of above-mentioned setting, the extension cover 7 fixed mounting of bypass filter 3 bottom can be convenient for to the mounting disc 9 assigned position, and the convenience and the stability of bypass filter 3 installation have been improved to mounting hole 10 and bolt cooperation can be with mounting disc 9 fixed mounting assigned position.

In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:

example 1

The utility model provides a take oil return filter of bypass filtering capability, including oil return filter body 1, return oil filter body 1's one side installs return pipe 2, the bottom of return pipe 2 is fixed with bypass filter 3, bypass filter 3 is including filter tube 4, the top of filter tube 4 is fixed with fixed pipe 5, the inside of filter tube 4 is fixed with hollow tube 23, internal thread three 26 is opened to the inside of hollow tube 23, filter tube 6 threaded mounting is in internal thread three 26 in hollow tube 23, internal thread three 26 is not only convenient for the installation of filter tube 6, be convenient for change filter tube 6 simultaneously, improve the convenience of filter tube 6 installation and change, the internal thread of internal thread three 26 is connected with filter tube 25, the inside of filter tube 25 is fixed with filter core 27, filter core 27 can filter the oil that enters into oil return filter body 1, bypass filter 3 can alleviate the filterable burden of oil return filter body 1, improve the quality and the life of oil return filter body 1 filtration oil, the top of hollow tube 23 is fixed with limiting plate 24, limiting plate 24 can carry out spacingly to chimney 6, prevent that chimney 6 from breaking away from internal thread three 26, oil return filter body 1 is including cartridge filter 16, the fixed intercommunication in one side of cartridge filter 16 has connecting pipe 17, the one end of return bend 2 and connecting pipe 17 all is fixed with connection pad 11, connection pad 11 is convenient for the installation of return bend 2 with connecting pipe 17, connecting hole 12 has all been opened to one side of two connection pads 11, return bend 2 and connecting pipe 17 can be fixed through the cooperation of bolt and connecting hole 12 to connection pad 11, improve bypass filter 3 and pass through the stability of return bend 2 with oil filter body 1.

Wherein, the top of the filter cartridge 16 is provided with a top cover 15 through bolts, the top cover 15 seals and fixes the top of the filter cartridge 16, and the bottom of the filter cartridge 16 is fixed with a woven net 18; the outer wall of the filter cartridge 16 is welded with a fixing plate 13, the fixing plate 13 is convenient for the filter cartridge 16 to be fixedly arranged at a designated position, and the top of the fixing plate 13 is provided with a fixing hole 14; the outer wall of the bottom end of the bent pipe 2 is provided with a first external thread 19, the inner part of the fixed pipe 5 is provided with a first internal thread 20, and the fixed pipe 5 is in threaded connection with the first external thread 19 through the first internal thread 20; the bottom of the filter pipe 4 is in threaded connection with a fixing cap 6, the bottom of the fixing cap 6 is welded with an expansion cover 7, and the bottom of the expansion cover 7 is fixed with a conveying pipe 8; the bottom end of the conveying pipe 8 is fixedly provided with the mounting disc 9, the mounting disc 9 can be used for conveniently and fixedly mounting the extension cover 7 at the bottom of the bypass filter 3 at a specified position, the top of the mounting disc 9 is provided with a mounting hole 10, the mounting hole 10 is matched with a bolt to fixedly mount the mounting disc 9 at the specified position, and the convenience and the stability of mounting the bypass filter 3 are improved; the outer wall of the bottom end of the filter pipe 4 is provided with a second external thread 21, the inner part of the fixing cap 6 is provided with a second internal thread 22, and the fixing cap 6 is screwed on the second external thread 21 through the second internal thread 22.

Specifically, the utility model discloses a theory of operation as follows: when in use, the oil return filter body 1 is fixedly arranged at a designated position through the fixing plate 13 and the bolts, the elbow 2 is arranged with the connecting pipe 17 through the connecting disc 11, the connecting disc 11 is convenient for the installation of the elbow 2 and the connecting pipe 17, the connecting disc 11 can fix the elbow 2 and the connecting pipe 17 through the bolts and the connecting holes 12, the stability of the bypass filter 3 with the oil return filter body 1 through the elbow 2 is improved, the filter pipe 6 is arranged in the internal thread three 26 in the hollow pipe 23 in a threaded manner, the internal thread three 26 is not only convenient for the installation of the filter pipe 6, but also convenient for the replacement of the filter pipe 6, the convenience for the installation and the replacement of the filter pipe 6 is improved, the limiting plate 24 can limit the filter pipe 6, the filter pipe 6 is prevented from being separated from the internal thread three 26, then the bypass filter 3 is connected at the bottom of the elbow 2 in a threaded manner, then the mounting plate 9 is arranged, mounting hole 10 and bolt cooperation can be with mounting disc 9 fixed mounting to assigned position, have improved the convenience and the stability of bypass filter 3 installation, and filter core 27 in the inside chimney 6 of bypass filter 3 can filter the oil that enters into in the oil return filter body 1, and bypass filter 3 can alleviate the filterable burden of oil return filter body 1, improves the quality and the life of oil return filter body 1 filtration oil.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a take bypass filtering capability's oil return filter, includes oil return filter body (1), its characterized in that, return bend (2) are installed to one side of oil return filter body (1), the bottom of return bend (2) is fixed with bypass filter (3), bypass filter (3) are including filter tube (4), the top of filter tube (4) is fixed with fixed pipe (5), the inside of filter tube (4) is fixed with hollow tube (23), the inside of hollow tube (23) is opened there is interior thread three (26), the internal thread connection of interior thread three (26) has filter tube (25), the inside of filter tube (25) is fixed with filter core (27), the top of hollow tube (23) is fixed with limiting plate (24), oil return filter body (1) is including cartridge filter (16), one side of cartridge filter (16) is fixed with connecting pipe (17), and one ends of the bent pipe (2) and the connecting pipe (17) are respectively fixed with a connecting disc (11), and one side of each connecting disc (11) is provided with a connecting hole (12).

2. The oil return filter with the bypass filtering function according to claim 1, characterized in that a top cover (15) is installed on the top of the filter cylinder (16) through bolts, and a woven mesh (18) is fixed on the bottom of the filter cylinder (16).

3. The oil return filter with the bypass filtering function according to claim 1, wherein a fixing plate (13) is welded to the outer wall of the filter cylinder (16), and a fixing hole (14) is formed in the top of the fixing plate (13).

4. The oil return filter with the bypass filtering function is characterized in that the outer wall of the bottom end of the elbow pipe (2) is provided with a first external thread (19), the inner part of the fixed pipe (5) is provided with a first internal thread (20), and the fixed pipe (5) is in threaded connection with the first external thread (19) through the first internal thread (20).

5. The oil return filter with the bypass filtering function according to claim 1, wherein a fixing cap (6) is connected to the bottom of the filtering pipe (4) in a threaded manner, an extension cover (7) is welded to the bottom of the fixing cap (6), and a conveying pipe (8) is fixed to the bottom of the extension cover (7).

6. The oil return filter with the bypass filtering function according to claim 5, characterized in that a mounting plate (9) is fixed to the bottom end of the conveying pipe (8), and a mounting hole (10) is formed in the top of the mounting plate (9).

7. The oil return filter with the bypass filtering function according to claim 5, wherein the outer wall of the bottom end of the filtering pipe (4) is provided with a second external thread (21), the inner part of the fixing cap (6) is provided with a second internal thread (22), and the fixing cap (6) is threaded on the second external thread (21) through the second internal thread (22).