CN111249785A

CN111249785A - Filter

Info

Publication number: CN111249785A
Application number: CN202010099514.2A
Authority: CN
Inventors: 巩青松
Original assignee: Yangzhou Shangyuan Environmental Protection Technology Co Ltd
Current assignee: Yangzhou Shangyuan Environmental Protection Technology Co Ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-06-09
Anticipated expiration: 2040-02-18
Also published as: CN111249785B

Abstract

A filter includes a chamber, a filter element, a cleaning member, an operating member, and a drain port; the filter element and the cleaning component are coaxially arranged, the cleaning component is positioned on the outer side of the filter element, the filter element can rotate relative to the cleaning component, one end of the operating component is positioned on the outer side of the cavity, and the other end of the operating component is connected with the filter element; the discharge port is positioned at the bottom of the cavity body, and the discharge port is provided with a discharge valve which opens the discharge port during cleaning and closes the discharge port after cleaning.

Description

Filter

Technical Field

The invention belongs to the technical field of filters, and particularly relates to a filter and a filter element cleaning device.

Background

Current filter, the filter core can block up after using for a long time, needs to change or wash, and its cleaning means of current filter is mostly manual rotation filter mechanism in order to realize scraping or washing, perhaps scrapes through the rotatory realization of motor drive filter mechanism or washs, and solid particle such as impurity after the washing is discharged from the discharge port.

However, after the existing cleaning device is used for a long time, solid particles such as impurities in water can be deposited at the discharge port, so that the quality of sealing at the discharge port is reduced, and therefore, the filter of the type usually has the condition of water leakage after being used for a period of time.

Disclosure of Invention

A filter includes a chamber, a filter element, a cleaning member, an operating member, and a drain port; the filter element and the cleaning component are coaxially arranged, the cleaning component is positioned on the outer side of the filter element, the filter element can rotate relative to the cleaning component, one end of the operating component is positioned on the outer side of the cavity, and the other end of the operating component is connected with the filter element; the discharge port is positioned at the bottom of the cavity, and a discharge valve is arranged on the discharge port, and the discharge valve enables the discharge port to be opened during cleaning and closed after the cleaning is finished.

The cleaning member includes a plurality of brushes connected by a connection ring and a connection ring, the plurality of brushes being in contact with an outer surface of the filter element.

The operating component comprises a knob and a connecting component, and the knob is connected with the connecting component through a screw;

the connecting part further comprises a first hollow part and a second hollow part, the first hollow part is in the shape of a circular truncated cone, the first hollow part is provided with a lateral opening', the second hollow part is in threaded connection with the filter element, and a spring is arranged between the filter element and the second hollow part.

The discharge valve comprises a fixed part and a rotating part, wherein the end part of the fixed part is provided with a plurality of inlets along the circumferential direction, the axis of the fixed part is provided with a longitudinal hole along the axial direction, the longitudinal hole is communicated with the inlets along the radial direction, the rotating part is a cylindrical structure which can rotate around the axis, the circumferential direction of the rotating part is provided with a plurality of through holes, and the discharge valve is connected with the bottom of the filter element.

The fixed part and the rotating part are coaxially arranged, and the inlets and the through holes are consistent in height in the vertical direction.

The bottom of the cavity is formed with an upward bulge to form an annular boss, the discharge valve is fixedly installed with the annular boss, and the plurality of inlets are positioned above the annular boss.

And a collecting area is formed between the annular boss and the bottom of the cavity.

The invention has the advantages that:

1. because the collecting region is formed between the annular boss and the arc-shaped region at the bottom of the cavity, and the inlet is positioned above the annular boss, fixed particles settled in liquid during the filtering operation cannot be accumulated at the inlet, so that the problems that solid particles in the liquid block the discharge valve, and further cause the sealing failure of the discharge valve and the like are avoided.

2. The cleaning operation is carried out outside through manual operation, and the cleaning condition of the filter element can be clearly and visually observed due to the fact that the cup body is transparent.

3. Through the coaxial setting of fixed part and rotating part in the discharge valve, and when the through-hole corresponds with the import one-to-one, just open the discharge passage, the setting of such discharge valve has also guaranteed sealed effect to the at utmost, prevents that solid particle from blockking up the discharge valve.

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, and 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 schematic diagram of a filter according to the present invention;

FIG. 2 is a three-dimensional view of a filter according to the present invention;

FIG. 3 is an exploded view of the filter of the present invention;

fig. 4 is a cross-sectional view of the filter of fig. 3.

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, a filter 1 comprises a chamber 10, said chamber 10 being provided with an inlet 11 and an outlet 12, said chamber 10 being provided with a filter insert 4, solid particles accumulating on a filtering surface 47 of the filter insert 4 during a filtering operation, the filtering surface 47 having to be cleaned after a long period of use in order to ensure the filtering efficiency of the filter.

The filter 1 also comprises cleaning means 60, in the form of a brush, for cleaning purposes by scraping the filtering surface 47 of the filtering cartridge 4. The cleaning member 60 is operable from outside the chamber 10 by means of a knob 71, the knob 71 controlling the relative movement between the cleaning member 60 and the cartridge 4.

The filter 1 further comprises a discharge opening 21 formed in the bottom wall 22 of the chamber 10 so that the waste liquid of the cleaning member 60 after cleaning the filtering surface 47 is discharged from the discharge opening 21, and a discharge valve 30 is provided on the discharge opening 21, the discharge valve 30 being such that the discharge opening 21 is opened during cleaning and the discharge opening 21 is closed after cleaning is completed.

The bottom wall 22 of the chamber 10 is curved and the curved bottom recessed collection zone 23 serves to store solid particles 29 removed from the filter surface 47 of the filter element 4 and solid particles 29 which do not settle on the filter surface 47 of the filter element 4 during normal filtration.

As shown in fig. 2-3, the chamber 10 includes a cup 50 and a head 20, and the head 20 is detachably connected to the cup 50.

The head 20 is preferably made of a plastic material, such as a plastic like polypropylene, with the inlet 11 and the outlet 12 being arranged on either side of the head 20, the inlet 11 and the outlet 12 being of the same diameter; the head 20 is provided with a circumferential rib 25 for reinforcing the strength of the head 20; the head 20 further includes an internal thread 24 for coupling the head 20 with the cup 50, and a fixing portion 26 for fixing a name plate is further provided on the coupling portion.

The cup 50 is also made of a plastic material, preferably a transparent material. The upper part of the cup 50 is provided with an external thread 51, and the external thread 51 is combined with the internal thread 24; the lower part of the external thread 51 is provided with a reinforcing ring 54, and the bottom of the reinforcing ring 54 is provided with a plurality of reinforcing pieces 53 which are uniformly distributed on the circumference; the cup 50 further comprises a cylindrical lower portion 55 and a conical portion 56, the lower portion of the conical portion 56 being connected to the discharge opening 21.

The conical portion 56 is provided, in its lower part, with an annular flange 52, which annular flange 52 is in snap-fit connection with a connecting element 80, which connecting element 80 has a lateral opening 82 for backflow or overflow, and a connector 83 for connection to a drain.

As shown in FIG. 4, the bottom of the collection area 23 for accumulating the solid particles 29 is upwardly convex to form an annular boss 27, the discharge valve 30 includes a plurality of inlet ports 31, the discharge valve 30 is fixedly mounted with the annular boss 27, the plurality of inlet ports 31 are positioned above the annular boss 27, the plurality of inlet ports 31 are arranged along an axis 31', the discharge port 21 is arranged along an axis 21', and the axis 31 'is perpendicular to the axis 21'.

As shown in fig. 3-4, a filter cartridge 4 is coaxially arranged inside the bowl 50, the filter cartridge 4 being cylindrical in shape and consisting of a filtering surface and a cylindrical support; it will thus be appreciated that liquid 9 enters the filter interior from the inlet 11, is filtered by the filter element 4 to form filtered liquid 9' and is discharged from the outlet 12.

As shown in fig. 3 to 4, a cleaning member 60 of the cartridge 4 is further arranged inside the cup 50, said cleaning member 60 comprising a plurality of brushes 65 and a connecting ring 66, said plurality of brushes 65 being connected by the connecting ring 66.

The filter insert 4 and the cleaning member 60 are coaxially arranged and relatively rotatable therebetween, wherein the cleaning device 60 is fixed and the filter insert 4 is arranged to rotate about its own longitudinal axis 4'.

The filter 1 further comprises an operating member 70, said operating member 70 comprising a knob 71 and a connecting member 73, said knob 71 having a counterbore 72' in the centre, an end 74 of the connecting member 73 being located in the counterbore 72', a screw 72 being located in the counterbore 72' and being connected to the end 74, such that the knob 71 and the connecting member 73 are fixed together.

The connection member 73 further comprises a first hollow portion 75 having the shape of a truncated cone, the first hollow portion 75 being provided with a lateral opening 75', and a second hollow portion 76 having a cylindrical shape, the internal thread of the second hollow portion 76 engaging with the external thread 78' on the cartridge 4, so as to make the cartridge 4 integral with the connection member 73, and a spring 77 being mounted between the cartridge 4 and the connection member 73.

The cartridge 4 is therefore cleaned by rotating the knob 71, which carries the coupling member 73 and thus the cartridge 4 about its own longitudinal axis 4'.

As shown in fig. 3 to 4, the discharge valve 30 includes a fixed portion 36 and a rotating portion 32, the fixed portion 36 having a plurality of inlets 31 opened at an end thereof in a circumferential direction, the rotating portion 32 being used to open or close the discharge valve 30. The fixed part 36 is provided with a longitudinal hole 38 along the axial direction at the axial center, the longitudinal hole 38 is communicated with the inlet 31 along the radial direction, the rotating part 32 is a cylindrical structure which can rotate around the axis 21', the circumferential direction is provided with a plurality of through holes 33, and the discharge valve 30 is connected with the bottom of the filter element 4; the fixed portion 36 and the rotating portion 32 are coaxially disposed, and the plurality of inlets 31 and the longitudinal hole 38 are vertically uniform in height.

When knob 71 is screwed manually, brush 65 can sweep the entire filtering surface 47, while solid particles 29 can be discharged through holes 33, inlets 31 and longitudinal holes 38 in sequence, when rotating portion 32 rotates so that plurality of through holes 33 correspond to plurality of inlets 31.

Wherein the rotating portion 32 is connected to the cartridge 4 by its upper annular portion 32', the fixing portion 36 being provided with a projection 36 "for abutment against a shoulder 52' of the discharge orifice 21 and with an external thread 36' for engagement with the retaining nut 39, in order to fix the discharge valve 30.

The working principle of the filter is as follows:

during filtration, the liquid 9 enters the interior of the filter through the inlet 11, is filtered by the filter insert 4, then flows out through the lateral openings 75 'of the first hollow portion 75 of the connecting member 73, then forms the filtered liquid 9' and is discharged through the outlet 12.

During cleaning, the knob 71 is manually screwed to rotate the filter element 4 relative to the plurality of brushes 65, so as to clean off the solid particles adhered to the surface of the filter element 4, and when the cleaned-off solid particles and the solid particles existing in the collecting region 23 correspond to the plurality of inlet openings 31 along with the plurality of through holes 33 during cleaning, the solid particles 29 can be discharged from the discharge opening 21 sequentially through the through holes 33, the inlet openings 31 and the longitudinal holes 38.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. 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. A filter, characterized by comprising a chamber (10), a filter cartridge (4), a cleaning member (60), an operating member (70) and a drain (21); wherein, the two sides of the cavity (10) are respectively provided with an inlet (11) and an outlet (12), the filter element (4) and the cleaning component (60) are coaxially arranged, the cleaning component (60) is positioned at the outer side of the filter element (4), the filter element (4) can rotate relative to the cleaning component (60), one end of the operating component (70) is positioned at the outer side of the cavity (10), and the other end of the operating component is connected with the filter element (4); the discharge port (21) is positioned at the bottom of the cavity (10), and a discharge valve (30) is arranged on the discharge port (21), wherein the discharge valve (30) opens the discharge port (21) during cleaning and closes the discharge port (21) after cleaning is finished.

2. A filter according to claim 2, wherein the cleaning means (60) comprise a plurality of brushes (65) and a connecting ring (66), the plurality of brushes (65) being connected by the connecting ring (66), the plurality of brushes (65) being in contact with the outer surface of the filter cartridge (4).

3. A filter according to claim 1, wherein the operating member (70) comprises a knob (71) and a connecting member (73), the knob (71) and the connecting member (73) being connected by a screw;

the connecting member (73) further comprises a first hollow portion (75) and a second hollow portion (76), the first hollow portion (75) has the shape of a circular truncated cone, the first hollow portion (75) is provided with a lateral opening (75'), the second hollow portion (76) is in threaded connection with the filter element (4), and a spring (77) is mounted between the filter element (4) and the second hollow portion (76).

4. A filter according to claim 1, characterised in that the discharge valve (30) comprises a fixed part (36) and a rotating part (32), the fixed part (36) being provided at its ends with a plurality of inlets (31) in the circumferential direction, the fixed part (36) being provided at its axial center with a longitudinal bore (38) in the axial direction, the longitudinal bore (38) communicating with the inlets (31) in the radial direction, the rotating part (32) being of cylindrical configuration rotatable about an axis (21') and having a plurality of through-bores (33) in the circumferential direction, the discharge valve (30) being connected to the bottom of the filter element (4).

5. A filter according to claim 4, characterised in that the fixed part (36) and the rotating part (32) are coaxially arranged and that the several inlets (31) and the through holes (33) are vertically level-matched.

6. A filter according to claim 1, characterised in that the bottom of the chamber (10) is formed with an upwardly projecting annular projection (27), the discharge valve (30) is fixedly mounted with the annular projection (27), and the inlet openings (31) are located above the annular projection (27).

7. A filter according to claim 6, characterised in that a collecting zone (23) is formed between the annular boss (27) and the bottom of the chamber (10).