TW201636086A - Filter - Google Patents

Abstract

A filter is provided. The filter includes a container, a filter element, a strainer and a cover. One end of the container defines an opening, and outside wall of the end defines a first thread. The strainer includes a clamping element, the strainer receives the filter element and clamps the filter element through the clamping element. The strainer which receives the filter element is set in the container and closed to the opening. The inside wall of the cover defines a second thread. The cover is connected with the container detachably through the match of the first thread and the second thread.

Description

filter

The invention relates to a filter.

In the daily life or industrial production process, many devices need to flow through liquids or gases, such as oil, water, air, and the like. When the liquid or gas flowing through contains a large amount of impurities, these impurities are easily adsorbed on the device and contaminate the devices, and over time, the device is likely to be clogged and cannot be used normally. In the prior art, a filter is generally connected at the inlet of the liquid or gas inflowing device to filter out impurities in the liquid or gas, and the general filter needs to be replaced after a period of use. However, the existing filter structure is complicated, is not easy to disassemble, and the cost of replacing the filter is high, which brings great inconvenience to the user.

In view of this, it is necessary to provide a filter to solve the above technical problems.

The present invention provides a filter comprising a container body, a filter element, a filter net and a cover body. The container body has an opening at one end thereof, and a first thread is disposed on an outer wall of the end portion. The filter net includes a holding member, the filter net receives the filter element and is engaged with the filter element through the holding member, and the filter net containing the filter element is disposed in the container body near the opening, and the inner wall of the cover body is disposed There is a second thread, and the cover body and the container body form a detachable fixed connection by the cooperation of the first thread and the second thread.

Compared with the prior art, the filter structure provided by the invention is simple and easy to disassemble, and the filter is easy to be cleaned, and the filter element can be replaced at any time to meet different filtering requirements, thereby providing the user with great convenience.

1 is a schematic overall view of a filter in a preferred embodiment of the present invention;

Figure 2 is a cross-sectional view of the filter of the preferred embodiment of the present invention taken along line II-II of Figure 1;

Figure 3 is an exploded view of the filter in a preferred embodiment of the present invention.

Please refer to FIG. 1, FIG. 2 and FIG. 3 together for the filter 1 provided by the present invention. In the present embodiment, the filter 1 can filter a liquid or a gas. The filter 1 includes a container body 10, a filter element 20, a filter net 30, and a cover 40. In the present embodiment, the container body 10 is a transparent hollow cylindrical container for temporarily storing the liquid or gas that has been filtered. One end portion 11 of the container body 10 defines an opening 12, and the outer wall of the end portion 11 is provided with a first thread 13. The filter net 30 includes a holding member 31. The filter net 30 receives the filter element 20 through the holding member 31 and is engaged with the filter element 20. The filter screen 30 containing the filter element 20 is disposed in the container body 10 near the opening 12 and communicates with the opening 12. The cover body 40 is a hollow cylindrical structure with an open end, and the inner wall is provided with a second thread 41. The cover body 40 and the container body 10 are detachably fixed by the cooperation of the first thread 13 and the second thread 41. The connection, that is, the user can fix or remove the cover 40 from the container body 10 by rotating the cover 40.

In the present embodiment, a first sealing ring 50 is further disposed between the container body 10 and the cover 40. The first sealing ring 50 is used to strengthen the container body 10 when the container body 10 and the cover 40 are fixedly connected. The seal between the cover 10 and the cover 40 prevents the filter 1 from leaking liquid or gas when filtering liquid or gas.

As shown in FIG. 2 and FIG. 3 , a first through hole 14 is defined in the bottom surface of the container body 10 , and a second through hole 42 is defined in a bottom surface of the cover body 40 . The first through hole 14 and the second through hole 42 are all circular through holes and have the same diameter. The filter 1 is fixedly disposed with a nut 60 at the first through hole 14 and the second through hole 42 respectively. The filter 1 further includes two joints 70. Each joint 70 includes a first end 71 and a second end 72. The first ends 71 of the two joints 70 are respectively locked by the nut 60 and are respectively fixed to the joint. The first through hole 14 and the second through hole 42. In the present embodiment, the first end 71 of the two joints 70 is provided with an external thread, and can be fixed to or detached from the filter 1 by cooperating with the corresponding nut 60. The filter 1 further includes a second sealing ring 80 sleeved on the first end 71 of each of the joints 70. The outer diameters of the two second sealing rings 80 are slightly larger than the first through holes 14 and the second through holes. The diameter of 42 is such that when the joint 70 is tightly engaged with the nut 60, the second seal ring 80 adjacent to the first through hole 14 closely contacts the bottom of the container body 10, and the second seal ring 80 and the cover adjacent to the second through hole 42 The outer surface of the body 40 is in close contact with each other to prevent leakage of liquid or gas flowing through the two joints 70 when the filter 1 is being filtered.

Further, the filter 1 further includes two draft tubes 90, which are fixedly connected to the second ends 72 of the two joints 70, respectively. Wherein, the draft tube 90 near the cover 40 is used to introduce the liquid or gas to be filtered through the filter 1, and the guide tube 90 near the container body 10 is used for retracting the filter element 20 that has passed the filter 1 and The liquid or gas filtered by the filter 30. In this embodiment, the second end 72 is a cylindrical receiving hole, and the two guiding tubes 90 are circular, and the outer diameter is slightly larger than the inner diameter of the second end 72 of the joint 70, and can be squeezed. The second end 72 of the joint 70 is tightly received and can be removed from the second end 72 of the joint 70 by a large external force so as to be detachable from the filter 1.

Wherein, when the liquid or gas to be filtered is introduced from the draft tube 90 near the cover 40, the liquid or gas to be filtered flows into the opening 12 through the joint 70, and sequentially flows through the filter element 20 and the filter net 30. The filter element 20 and the filter screen 30 respectively filter the liquid or gas to be filtered. The filtered liquid or gas continues to flow into the container body 10, and is discharged through a joint 70 that communicates with the container body 10 and a draft tube 90 that is adjacent to the container body 10.

As shown in FIG. 3, the holding member 31 of the filter net 30 includes a plurality of vertical strips 311 extending from the bottom 300 of the filter net 30, and the top ends of the plurality of vertical strips 311 are connected to each other by an endless belt 312, thereby The plurality of vertical bars 311 form a receiving space for receiving the filter element 20. The outer side wall of the filter element 20 is formed with an annular groove (not shown). When the filter element 20 is received in the holding member 31, the annular groove is engaged with the endless belt 312, so that the filter element 20 is stuck. Hold in the holder 31. In addition, the inner diameter of the annular band 312 is the same as the diameter of the bottom portion 300 of the filter net 30 and is slightly smaller than the inner diameter of the container body 10. The outer diameter of the annular band 312 is the same as the outer diameter of the container body 10, so that The bottom portion 300 of the filter net 30 and the plurality of vertical strips 311 of the holding member 31 are received in the container body 10. The annular band 312 of the holding member 31 is exposed to the opening 12 of the container body 10, and the lower surface of the annular band 312 is When the container body 10 and the lid body 40 are fixedly connected to each other, when the container body 10 and the lid body 40 are fixedly connected, the filter net 30 in which the filter element 20 is housed is fixed in the container body 10 near the opening 12.

When the container body 10 is fixedly connected to the cover 40, the first sealing ring 50 is in close contact with the upper surface of the holding member 31 and the bottom surface of the cover 40, thereby enhancing the space between the container body 10 and the cover 40. Sealing.

In the present embodiment, the filter 1 can be installed at an inlet of a device into a liquid or a gas, and filter the liquid or gas flowing into the device, thereby preventing the impurities in the liquid or gas from contaminating the device. Causes the device to clog. In addition, since the container body 10 is a transparent container, the user can conveniently observe the use of the filter element 20. When the filter element 20 adsorbs a large amount of impurities and cannot continue to use or needs to filter another substance, the user can conveniently The lid body 40 is separated from the container body 10 to expose the filter element 20 in the container body 10, thereby replacing the filter element 20. In addition, the user can conveniently disassemble the other components of the filter 1 for cleaning. For example, the cover 40 is separated from the container body 10 and separated from the joint 70, and separately removed to keep the filter 1 clean. To extend the life of the filter 1.

1‧‧‧Filter

10‧‧‧ container body

11‧‧‧End

12‧‧‧ openings

13‧‧‧First thread

14‧‧‧First through hole

20‧‧‧ filter

30‧‧‧Filter

300‧‧‧ bottom

31‧‧‧Card holders

311‧‧‧ vertical bars

312‧‧‧Ring belt

40‧‧‧ cover

41‧‧‧second thread

42‧‧‧Second through hole

50‧‧‧First seal

60‧‧‧ nuts

70‧‧‧Connector

71‧‧‧ first end

72‧‧‧ second end

80‧‧‧Second seal

90‧‧‧drain tube

no

10‧‧‧ container body

13‧‧‧First thread

20‧‧‧ filter

30‧‧‧Filter

312‧‧‧Ring belt

40‧‧‧ cover

41‧‧‧second thread

50‧‧‧First seal

60‧‧‧ nuts

70‧‧‧Connector

80‧‧‧Second seal

90‧‧‧drain tube

Claims (8)

A filter is improved in that the filter comprises a container body, a filter element, a filter net and a cover body, the container body has an opening at one end thereof, and a first thread is arranged on the outer wall of the end portion. The filter net includes a holding member, the filter net receives the filter element and is engaged with the filter element, and the filter net containing the filter element is disposed in the container body near the opening, and the inner wall of the cover body A second thread is provided, and the cover body and the container body form a detachable fixed connection by the cooperation of the first thread and the second thread. The filter of claim 1, wherein the retaining member of the filter comprises a plurality of vertical strips extending from the bottom, and the top ends of the plurality of vertical strips are connected to each other by an endless belt, the plurality of vertical strips A receiving space is formed to receive the filter element. The filter of claim 2, wherein the inner diameter of the endless belt is the same as the diameter of the bottom of the filter net and slightly smaller than the inner diameter of the container body, the outer diameter of the annular belt and the container body. The outer diameter is the same, so that the bottom and the vertical bars of the holding member are received in the container body, the ring member is exposed to the opening of the container body, and the lower surface of the ring member is abutted against the end of the container body. When the container body and the cover are fixedly connected, the filter mesh is fixed in the container body near the opening. The filter of claim 3, wherein a first sealing ring is disposed between the container body and the cover body, and the first sealing ring and the card holder are fixed when the container body is fixedly connected to the cover body. The upper surface of the piece and the bottom surface of the cover are in close contact with each other. The filter according to claim 1, wherein the container body defines a first through hole away from the bottom surface of the opening, and a second through hole is defined in a bottom surface of the cover body. The filter of claim 5, wherein the filter is fixedly disposed with a nut at the first through hole and the second through hole, the filter further comprising two joints, each joint including a The first end and the second end are respectively fixed to the first through hole and the second through hole by being locked by the nut. The filter of claim 6, wherein the filter further comprises a second sealing ring sleeved on the first end of each joint, and the first joint is close to the first joint when the joint is tightly engaged with the nut The second sealing ring of the hole is in close contact with the bottom of the container body, and the second sealing ring adjacent to the second through hole closely contacts the outer surface of the cover body. The filter of claim 6, wherein the filter further comprises two draft tubes respectively fixedly connected to the second ends of the two joints, the second end being a cylindrical receiving hole. The two draft tubes are circular, and the outer diameter is slightly larger than the inner diameter of the second end, and can be tightly received in the second end by extrusion, and can be driven from the second end by a large external force. Pull out and remove it from the filter.