CN218853624U - Filter element assembly and security filter - Google Patents

Abstract

The utility model relates to a filter technical field, concretely relates to filter element group spare and security personnel filter, filter element group spare includes first filter core part and second filter core part, and second filter core part links to each other with first filter core part, and first filter core part has first cavity and first liquid mouth of crossing, and the one end that second filter core part was kept away from to first filter core part is equipped with first liquid mouth of crossing, and second filter core part has second cavity and second and crosses the liquid mouth, and the liquid mouth is crossed to the second and establishes the one end of keeping away from first filter core part at second filter core part, and the one end of second filter core part stretches into in the first cavity.

Description

Filter element assembly and cartridge filter

Technical Field

The utility model relates to a filter technical field, concretely relates to filter element group spare and security filter.

Background

The cartridge filter is used as a filtering element for solid-liquid separation of various suspensions, and when in use, the cartridge filter needs to be installed in a filter, liquid to be filtered is conveyed into the filter, and the liquid to be filtered is filtered by the cartridge filter. In the related art, the filtering area of the filter element is increased by increasing the axial length of the filter element, however, the axial length of the filter element is increased, so that the axial length of the shell is increased, and the length and the manufacturing cost of the shell are increased.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a filter element group spare can increase filter area, reduces the cost of safety filter ware.

The utility model discloses filter element group spare includes first filter core part and second filter core part, second filter core part with first filter core part links to each other, first filter core part has first cavity and first liquid mouth of crossing, first filter core part is kept away from the one end of second filter core part is equipped with first liquid mouth of crossing, second filter core part has second cavity and second and crosses the liquid mouth, the second crosses the liquid mouth and establishes and keep away from at second filter core part the one end of first filter core part, the one end of second filter core part stretches into in the first cavity.

The utility model discloses a filter element group spare of embodiment can increase filtration area, reduces cartridge filter's cost.

In some embodiments, the cartridge assembly further comprises a support member positioned within the first chamber, the support member having one end in contact with the first cartridge member and another end in contact with the second cartridge member.

In some embodiments, the number of the support members is plural, and the plurality of support members are arranged at intervals in a length direction of the first filter element member.

In some embodiments, the filter cartridge assembly further comprises an end cap, wherein one end of the end cap is connected with the first filter element part, and the end cap is positioned on one side of the first filter element part adjacent to the first liquid passing port.

In some embodiments, one end of the end cover extends into the first chamber, and a first installation groove is formed in one side of the end cover extending into the first chamber, and a sealing layer is suitable for being filled in the first installation groove.

In some embodiments, the filter element assembly further comprises a first sealing ring, one side of the end cap, which is far away from the first filter element component, extends out of the first chamber, one side of the end cap, which is far away from the first filter element component, is provided with a second mounting groove, and the first sealing ring is mounted in the second mounting groove.

In some embodiments, the number of the first sealing rings and the second mounting grooves is multiple, the second mounting grooves are arranged at intervals in the length direction of the first filter element part, and the first sealing rings and the second mounting grooves are in one-to-one correspondence.

In some embodiments, the end cap further comprises a limiting protrusion, the limiting protrusion surrounds the periphery of the end cap, and one end of the limiting protrusion abuts against one side of the first filter element component, which is far away from the second filter element component.

In some embodiments, a side end surface of the first filter element component adjacent to the second liquid passing port is arranged flush with a side end surface of the second filter element far away from the first liquid passing port.

The utility model discloses cartridge filter includes: casing and filter element group spare, the chamber is held to have in the casing, the filter element is above-mentioned arbitrary filter element group spare, filter element group spare is arranged hold the intracavity, just filter element group spare with the casing links to each other.

The utility model discloses a security filter of embodiment can increase filter area, reduces security filter's cost.

Drawings

Figure 1 is a schematic view of the filter element assembly of the present invention.

Reference numerals:

the filter element comprises a first filter element part 1, a first cavity 11, a first liquid passing port 12, a second filter element part 2, a second cavity 21, a second liquid passing port 22, a first flow channel 3, a supporting part 4, an end cover 5, a limiting bulge 51, a first installation groove 52, a second installation groove 53 and a first sealing ring 54.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the utility model discloses filter core subassembly includes first filter core part 1 and second filter core part 2, second filter core part 2 links to each other with first filter core part 1, first filter core part 1 has first cavity 11 and first liquid passing port 12, the one end that second filter core part 2 was kept away from to first filter core part 1 is equipped with first liquid passing port 12, second filter core part 2 has second cavity 21 and second liquid passing port 22, second liquid passing port 22 is established in the one end that first filter core part 1 was kept away from to second filter core part 2, the one end of second filter core part 2 stretches into in the first cavity 11.

Specifically, as shown in fig. 1, the first and second filter element members 1 and 2 extend in the left-right direction, and the first filter element member 1 may have a cylindrical shape, or the first filter element member 1 may have another conventional shape, for example, a rectangular parallelepiped shape, and the second filter element member 2 may have a cylindrical shape, or the second filter element member 2 may have another conventional shape, for example, a rectangular parallelepiped shape.

The left end of the first filter element component 1 is provided with a first liquid passing port 12, the first filter element component 1 is provided with a first cavity 11, the first cavity 11 extends along the left and right, the left end of the first cavity 11 is communicated with the first liquid passing port 12, the second filter element component 2 is provided with a second cavity 21, the right end of the second filter element component 2 is provided with a second liquid passing port 22, the second cavity 21 extends along the left and right, the right end of the second cavity 21 is communicated with the second liquid passing port 22, at least part of the left end of the second filter element component 2 extends into the first cavity 11 of the first filter element component 1, the radial size of the first filter element component 1 is larger than that of the second filter element component 2, the outer wall surface of the first filter element component 1 and the inner wall surface of the first filter element component 1 form a first flow channel 3, when the security filter works, liquid enters the second cavity 21 from the second liquid passing port 22 of the second filter element component 2, the liquid to be filtered further enters the first flow channel 3 from the outer wall surface of the first filter element, and then flows out of the first filter element component 11 and flows out from the first flow channel 11 and the first liquid passing port 12.

When the filter element assembly is backwashed, cleaning liquid enters the first flow channel 3 and the first chamber 11 from the first liquid passing port 12 of the first filter element component 1, the cleaning liquid partially flows to the outer wall surface of the first filter element component 1 from the first chamber 11 and the first flow channel 3 so as to clean the first filter element component 1 from inside to outside, and the cleaning liquid partially enters the second filter element component 2 so as to clean the second filter element component 2 from outside to inside, so that the backwashing of the filter element assembly is completed.

The first filter element part 1 may be made of a PA organic sintered material, a PE organic sintered material, or a ceramic material, and the second filter element part 2 may be made of a PA organic sintered material, a PE organic sintered material, or a ceramic material.

Further, the radial dimension of the second cartridge member is equal to or greater than one tenth of the radial dimension of the first cartridge member, and the radial dimension of the second cartridge member is equal to or greater than nine tenth of the radial dimension of the first cartridge member.

The utility model discloses a filter element group spare of embodiment, through setting up first filter element part 1 and second filter element part 2, can increase the filter area of filter core, and then increase filter element group spare's water yield, second filter element part 2 not only links to each other with first filter element part 1 can also reduce filter element group spare about reduce the cost of safety filter ware.

In some embodiments, the cartridge assembly further comprises a support member 4, the support member 4 being located within the first chamber 11, the support member 4 being in contact with the first cartridge member 1 at one end and the support member 4 being in contact with the second cartridge member 2 at the other end.

Specifically, as shown in fig. 1, the support member 4 may be annular or have another existing shape of the support member 4, an outer wall surface of the support member 4 contacts an inner wall surface of the first filter element member 1, an inner wall surface of the support member 4 contacts an outer wall surface of the second filter element member 2, and the support member 4 supports and fixes the first filter element member 1 and the second filter element member 2, thereby preventing the first filter element member 1 and the second filter element member 2 from being deformed. Thereby improving the stability of the first filter element part 1 and the second filter element part 2 in the working process of the security filter,

optionally, the number of the support members 4 is multiple, and the multiple support members 4 are arranged at intervals in the length direction of the first filter element part 1, so that the stability and safety of the filter element assembly are improved.

In some embodiments, the cartridge assembly further comprises an end cap 5, the end cap 5 is attached to the first cartridge member 1 at one end, and the end cap 5 is positioned on a side of the first cartridge member 1 adjacent the first fluid passage 12.

Specifically, as shown in fig. 1, the right end of the end cap 5 extends into the first flow channel 3 and is connected to the first filter element 1, and the right end of the end cap 5 is connected to the cartridge filter housing, thereby improving the stability and safety of the filter element assembly.

Optionally, one end of the end cap 5 extending into the first cavity 11 is provided with a first mounting groove 52, the first mounting groove 52 is shaped as an annular groove, and a sealing layer is adapted to be filled in the first mounting groove 52, further, the sealing layer may be a sealant adapted to connect the end cap 5 with the first filter element, so as to improve the sealing performance and stability of the filter element assembly.

In some embodiments, the cartridge assembly further comprises a first sealing ring 54, a side of the end cap 5 remote from the first cartridge member 1 extends out of the first chamber 11, and a side of the end cap 5 remote from the first cartridge member 1 is provided with a second mounting groove 53, the first sealing ring 54 being mounted in the second mounting groove 53.

Specifically, as shown in fig. 1, the left end of the end cap 5 is provided with a second mounting groove 53, the second mounting groove 53 is an annular groove, and the first sealing ring 54 is adapted to be disposed in the second mounting groove 53, so as to improve the stability and the sealing performance of the connection between the housing and the left end of the end cap 5.

Optionally, the number of the first sealing rings 54 and the second mounting grooves 53 is multiple, the multiple second mounting grooves 53 are arranged at intervals in the length direction of the first filter element part 1, the length direction of the first filter element part 1 is the left-right direction, and the multiple first sealing rings 54 and the multiple second mounting grooves 53 are in one-to-one correspondence, so that the sealing performance and the stability of the connection between the end cover 5 and the housing are improved.

In some embodiments, the end cap 5 further includes a limiting protrusion 51, the limiting protrusion 51 surrounds the periphery of the end cap 5, and one end of the limiting protrusion 51 abuts against one side of the first filter element part 1 away from the second filter element part 2.

Specifically, as shown in fig. 1, the cross section of the stopper projection 51 in the left-right direction may be rectangular, or the cross section of the stopper projection 51 in the left-right direction may be other existing shapes, for example, circular. Spacing arch 51 and first filter core part 1's left end butt, and then spacing arch 51 avoids rocking of first filter core part 1 in the use, and then improves filter element group spare's stability and security.

Alternatively, a side end surface of the first cartridge member 1 adjacent to the second liquid passing port 22 is arranged flush with a side end surface of the second cartridge member remote from the first liquid passing port 12, and thus the length of the cartridge filter housing in the left-right direction can be further shortened, thereby reducing the manufacturing cost of the cartridge filter.

For example, the first filter element part 1 is made of sintered PE, the first filter element part has a filtration accuracy of 5 μm, the second filter element part 2 is made of sintered PA, the second filter element part 2 has a filtration accuracy of 5 μm, and the outer diameter ratio of the second filter element part 2 to the first filter element part 1 is 0.6, so that the cleaning effect of the filter element assembly can be improved.

The material of first filter element part 1 is the pottery, and first filter element part 1 filter fineness is 10 mu m, and the material of second filter element part 2 is the PE sintering, and second filter element part 2 filter fineness is 10 mu m, and the second filter element part 2 is 0.33 with the external diameter ratio of first filter element part 1, can improve the cleaning performance of filter element group spare.

For example, the first filter element part 1 is made of sintered metal, the first filter element part 1 has a filtration accuracy of 10 μm, the second filter element part 2 is made of ceramic, the second filter element part 2 has a filtration accuracy of 5 μm, and the outer diameter ratio of the second filter element part 2 to the first filter element part 1 is 0.5, so that the cleaning effect of the filter element assembly can be improved.

The utility model discloses security filter includes casing and filter element group spare, has in the casing and holds the chamber, and the filter element is the filter element group spare of above-mentioned arbitrary, and filter element group spare is arranged holding the intracavity, and filter element group spare links to each other with the casing.

The utility model discloses a security filter adopts the aforesaid filter element group spare, can increase filter area, reduce security filter's cost. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A filter element assembly, comprising:

first filter core part and second filter core part, second filter core part with first filter core part links to each other, first filter core part has first cavity and first liquid mouth of crossing, first filter core part is kept away from the one end of second filter core part is equipped with first liquid mouth of crossing, second filter core part has second cavity and second liquid mouth of crossing, the liquid mouth is crossed to the second and is established and keep away from at second filter core part the one end of first filter core part, the one end of second filter core part stretches into in the first cavity.

2. The filter element assembly according to claim 1, further comprising a support member located within said first chamber, said support member contacting said first filter element member at one end and a second filter element member at the other end.

3. The filter element assembly according to claim 2, wherein the number of support members is plural, the plural support members being arranged at intervals in a length direction of the first filter element member.

4. The filter element assembly according to claim 3, further comprising an end cap connected at one end to said first filter element member and located on a side of said first filter element member adjacent said first fluid passage.

5. The filter element assembly according to claim 4, wherein one end of the end cap extends into the first chamber, and a first mounting groove is formed in one side of the end cap extending into the first chamber, and is adapted to be filled with a sealing layer.

6. The filter element assembly according to claim 5, further comprising a first seal ring, wherein the end cap extends out of the first chamber on a side thereof remote from the first filter element component, and wherein a second mounting groove is provided on a side thereof remote from the first filter element component, and wherein the first seal ring is mounted in the second mounting groove.

7. The filter element assembly according to claim 6, wherein the first seal rings and the second mounting grooves are plural in number and the second mounting grooves are spaced apart in a length direction of the first filter element member, the first seal rings and the second mounting grooves corresponding one to one.

8. The filter element assembly according to claim 5, wherein the end cap further comprises a limiting protrusion, the limiting protrusion surrounds the periphery of the end cap, and one end of the limiting protrusion abuts against a side of the first filter element component away from the second filter element component.

9. The filter element assembly according to claim 1, wherein a side end surface of the first filter element member adjacent to the second liquid passage port is arranged flush with a side end surface of the second filter element remote from the first liquid passage port.

10. A cartridge filter, comprising:

a housing having a receiving cavity therein;

a filter cartridge assembly according to any one of claims 1 to 9, wherein the filter cartridge assembly is disposed in the receiving cavity and the filter cartridge assembly is coupled to the housing.

Images