CN218608552U

CN218608552U - Filter

Info

Publication number: CN218608552U
Application number: CN202223058837.0U
Authority: CN
Inventors: 黄�俊; 张宏
Original assignee: Shanghai Jun Jun Intelligent Polytron Technologies Inc
Current assignee: Shanghai Jun Jun Intelligent Polytron Technologies Inc
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-14
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a filter, it includes: the filter comprises a shell, wherein an accommodating cavity is formed in the shell, and a filter assembly for filtering impurities in gas or liquid is arranged in the accommodating cavity; the periphery of the filter assembly is attached to the inner wall of the vacant cavity; the shell is provided with a medium inlet and a medium outlet which are respectively communicated with the accommodating cavity; the filter assembly fixing device comprises a shell, a fixing part and a fixing part, wherein the shell is provided with the fixing part for fixing the filter assembly, the fixing part comprises an upper fixing piece and a lower fixing piece which are detachably connected to the shell, and the lower fixing piece comprises a fixing piece body which is fixedly connected to the shell; the accommodating cavity is a through hole, and when the upper fixing piece and the lower fixing piece are connected to the shell, the upper fixing piece and the lower fixing piece are connected with two ends of the through hole. After adopting above-mentioned structure, its beneficial effect is: the upper fixing piece and the lower fixing piece are adopted for fixing, and the sealing piece is used, so that the integral filter is high in rigidity, not prone to damage and convenient to replace.

Description

Filter

Technical Field

The utility model belongs to the technical field of the filter, specific theory is about a filter.

Background

Fluid refers to a substance capable of flowing, and is a general term for liquid and gas; the filtration is a process of purifying and purifying fluid, the filtration forms are various, wherein solid-liquid separation, solid-gas separation and the like are common, liquid or gas in the fluid doped with solid impurities permeates through a medium under the action of driving force or other external force, and the solid impurities are intercepted by the filter medium, so that the solid impurities are separated from the liquid or gas.

The existing filtering device with good filtering effect is complex in structure and high in price, the filtering effect of the existing filtering device with simple structure and low price cannot meet the use requirements of people, the sealing between the filtering net and the end cover of the filtering device with simple structure and low price is only sealed by adopting sponge coating or a single rubber sealing strip, and the whole filtering device is poor in rigidity, easy to damage, poor in sealing performance and poor in interchangeability; the filtering area of the filtering net is small, and the filtering effect is poor; and the filter screen is easy to move in the filtering process, so that unfiltered liquid or gas is missed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems of the prior art, the present invention provides a filter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

as an aspect of the present invention, a filter is provided, which includes: the filter comprises a shell, wherein an accommodating cavity is formed in the shell, and a filter assembly for filtering impurities in gas or liquid is arranged in the accommodating cavity; the periphery of the filter component is attached to the inner wall of the vacant cavity; the shell is provided with a medium inlet and a medium outlet which are respectively communicated with the accommodating cavity;

the shell is provided with a fixing part for fixing the filter assembly, the fixing part comprises an upper fixing piece and a lower fixing piece which are detachably connected to the shell, and the structure of the upper fixing piece is symmetrical to that of the lower fixing piece; the lower fixing piece comprises a fixing piece body, and the fixing piece body is fixedly connected to the shell; the accommodating cavity is a through hole, and when the upper fixing piece and the lower fixing piece are connected to the shell, the upper fixing piece and the lower fixing piece are connected with two ends of the through hole.

Optionally, the fixing member body is provided with a plurality of connecting holes at intervals, and the fixing member body is fixed to the housing through the cooperation of the fastening member and the connecting holes.

Optionally, one side of the fixing part body close to the casing is provided with a limiting part matched with the filtering component.

Optionally, the filter assembly is C-shaped in cross-section.

Optionally, the limiting part includes more than two limiting parts arranged at intervals; the limiting piece is connected to the fixing piece body.

Optionally, a sealing member is connected to one side of the fixing member body close to the housing, and the sealing member is located between the fixing member body and the housing; and a second mounting groove for mounting the sealing element is formed in the fixing piece body.

Optionally, the filtering assembly comprises a framework, the framework is located in the accommodating cavity, and the upper end and the lower end of the framework are respectively abutted against the upper fixing piece and the lower fixing piece; and the framework is sequentially provided with a first filter piece, a second filter piece and a third filter piece according to the flowing direction of the medium from the inlet to the outlet.

Optionally, the second filter screen is wavy.

Optionally, a first mounting groove for mounting the first filter element, the second filter element and the third filter element is formed in the framework.

Optionally, a medium flow direction mark is arranged on the shell.

The utility model discloses a filter, its beneficial effect specifically embodies: 1. the upper fixing piece and the lower fixing piece are adopted for fixing, and the sealing piece is used, so that the integral filter is high in rigidity, not easy to damage and convenient to replace;

2. the filtering component adopts a C-shaped structure, the filtering area is large, the filtering effect is good, and the second filtering net adopts a wave shape, so that the filtering area and the filtering effect are further increased;

3. the limiting piece is used for limiting the filtering component, so that the filtering component cannot generate displacement after being installed.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is an exploded view of the filter structure of the present invention;

FIG. 2 is a first cross-sectional view of the filter construction of the present invention;

FIG. 3 is a second cross-sectional view of the filter construction of the present invention;

fig. 4 is an exploded view of the filter assembly of the present invention.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

A filter according to an embodiment of the present invention, as shown in fig. 1 to 3, includes: the gas filter comprises a shell 1, wherein an accommodating cavity 11 is arranged in the shell 1, and a filtering assembly for filtering impurities in gas or liquid is arranged in the accommodating cavity 11; the periphery of the filter assembly is attached to the inner wall of the vacant cavity 11 so as to ensure that gas or liquid flows through the filter assembly; the shell 1 is provided with a medium inlet 12 and a medium outlet 13, the medium inlet 12 and the medium outlet 13 are respectively communicated with the accommodating cavity 11, unfiltered gas or liquid enters the shell 1 from the medium inlet 12, and impurities in the unfiltered gas or liquid flow out from the medium outlet 13 after being filtered by the filter assembly.

It should be noted that the housing 1 is made of a metal material, and two end faces of the housing are provided with flange connection holes for flange connection of a pipeline, and the flange connection holes are respectively located at the side edges of the medium inlet 12 and the medium outlet 13.

For further explanation, in this embodiment, as shown in fig. 1, a fixing portion for fixing the filter assembly is disposed on the housing 1, the fixing portion includes an upper fixing member 2 and a lower fixing member 3 detachably connected to the housing 1, and a structure of the upper fixing member 2 is symmetrical to a structure of the lower fixing member 3; the lower fixing piece 3 comprises a fixing piece body 31, the fixing piece body 31 is fixedly connected to the shell 1, a plurality of connecting holes 32 are formed in the fixing piece body 31 at intervals, and the fixing piece body 31 is fixed on the shell 1 through the matching of the fastening piece 4 and the connecting holes 32; the fastening piece 4 is sleeved with a washer 5, and the washer 5 is positioned on the outer side surface of the fixing piece body 31; the fastener 4 is a bolt; one side of the fixing part body 31 close to the shell 1 is provided with a limiting part 6, and the limiting part 6 is used for limiting the filter assembly, so that the filter assembly cannot be displaced after being installed.

It should be noted that the accommodating cavity 11 is a through hole, and when the upper fixing member 2 and the lower fixing member 3 are connected to the housing 1, the upper fixing member 2 and the lower fixing member 3 are connected to two ends of the through hole to seal the two ends of the through hole; when the filter assembly needs to be replaced, the upper fixing piece 2 and/or the lower fixing piece 3 only need to be detached, and the filter assembly is taken out from the accommodating cavity 11, so that the replacement is convenient.

Specifically, in this embodiment, as shown in fig. 3 and 4, the cross-sectional shape of the filtering component is C-shaped, which can increase the filtering area, the filtering component includes a framework 8, the framework 8 is located in the accommodating cavity 11, the upper end and the lower end of the framework 8 respectively abut against the upper fixing member 2 and the lower fixing member 3, and meanwhile, the upper end and the lower end of the framework 8 are clamped and fixed with the corresponding limiting portions 6, so that the filtering component does not generate displacement after being installed; the framework 8 is made of rubber materials, the cross section of the framework is C-shaped, and the C-shaped can increase the filtering area; the framework 8 is sequentially provided with a first filter element 9, a second filter element 10 and a third filter element 14 according to the flowing direction of the medium from the inlet to the outlet; it should be noted that the first filter 9 is a steel mesh; the third filter member 14 is a hole plate provided with a plurality of holes; the second filter screen 10 is wavy, and has a structure in the prior art for filtering impurities in gas or liquid, and a specific structure is not described again, and a person skilled in the art adopts different second filter screens according to different gases or liquids, which is a conventional technology and is not described again, and the protection of the filter is mainly directed at a fixing structure of the filter assembly.

For further explanation, as shown in fig. 4, in the present embodiment, the framework 8 is provided with a first mounting groove 15 for mounting the first filter element 9, the second filter element 10 and the third filter element 14, so as to facilitate mounting and fixing of the first filter element 9, the second filter element 10 and the third filter element 14; the first filter member 9 and the third filter member 14 clamp and fix the second filter member 10 to enhance the deformation of the second filter member 10 under the impact of the fluid.

For further explanation, in the present embodiment, as shown in fig. 1 and fig. 3, the limiting portion 6 includes more than two limiting members 61 arranged at intervals, and the limiting members 61 are fixed cylindrical pins; the limiting member 61 is connected to the fixing member body 31; more than two locating parts 61 limit the framework 8, so that the filtering component cannot generate displacement after being installed.

By way of further explanation, in the present embodiment, as shown in fig. 1, a sealing member 7 is connected to a side of the fixing member body 31 close to the housing 1, and the sealing member 7 is in an O shape and is located between the fixing member body 31 and the housing 1, so as to further enhance the sealing between the fixing member body 31 and the housing 1.

As a further illustration, in the embodiment, the fixing member body 31 is provided with a second mounting groove for mounting the sealing member 7, so as to facilitate the mounting of the sealing member 7.

For further explanation, in the present embodiment, the housing 1 is provided with a medium flow direction mark 16 to facilitate identifying the positions of the medium inlet 12 and the medium outlet 13, and to facilitate installation.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: 1. the upper fixing piece and the lower fixing piece are adopted for fixing, and the sealing piece is used, so that the integral filter is high in rigidity, not easy to damage and convenient to replace;

3. the limiting piece is adopted to limit the filtering component, so that the filtering component cannot generate displacement after being installed.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "above … …", "above … …", "above … … upper surface", "above", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. A filter, characterized in that it comprises: the filter comprises a shell, wherein an accommodating cavity is formed in the shell, and a filter assembly for filtering impurities in gas or liquid is arranged in the accommodating cavity; the periphery of the filter assembly is attached to the inner wall of the vacant cavity; the shell is provided with a medium inlet and a medium outlet which are respectively communicated with the accommodating cavity;

2. The filter of claim 1, wherein the attachment member body includes a plurality of attachment holes spaced apart from one another, the attachment member body being secured to the housing by engagement of the fastener with the attachment holes.

3. The filter of claim 1, wherein the side of the fixing member body adjacent to the housing is provided with a position-limiting portion for engaging with the filter assembly.

4. The filter of claim 1, wherein the filter assembly has a C-shaped cross-sectional shape.

5. The filter according to claim 3, wherein the stopper portion includes two or more stoppers provided at intervals; the limiting piece is connected to the fixing piece body.

6. The filter of claim 3, wherein a seal is coupled to a side of the mount body adjacent the housing, the seal being positioned between the mount body and the housing; and a second mounting groove for mounting the sealing element is formed in the fixing piece body.

7. The filter of claim 1, wherein the filtering assembly comprises a framework, the framework is positioned in the accommodating cavity, and the upper end and the lower end of the framework are respectively abutted against the upper fixing piece and the lower fixing piece; and the framework is sequentially provided with a first filter piece, a second filter piece and a third filter piece according to the flowing direction of the medium from the inlet to the outlet.

8. The filter of claim 7, wherein the second filter screen is undulating.

9. The filter according to claim 7, wherein the frame is provided with first mounting grooves for mounting the first filter member, the second filter member and the third filter member.

10. The filter of claim 1, wherein the housing is provided with media flow direction indicia.