CN220294232U

CN220294232U - Combined filter element

Info

Publication number: CN220294232U
Application number: CN202321627088.0U
Authority: CN
Inventors: 汤俊峰
Original assignee: Shandong Jingong Chemical Equipment Co ltd
Current assignee: Shandong Jingong Chemical Equipment Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2024-01-05
Anticipated expiration: 2033-06-26

Abstract

The utility model relates to a filter element, in particular to a combined filter element, which comprises a filter element shell, wherein the upper end of the filter element shell is connected with a shell connecting ring, the lower end of the filter element shell is connected with a bottom ring, the outer side of the shell connecting ring is connected with a top ring in a threaded manner, an outer filter screen and an inner filter screen are respectively arranged in the filter element shell, the outer filter screen is arranged on the outer side of the inner filter screen, an outer filter screen connecting ring is arranged between the upper end of the outer filter screen and the inner lower surface of the top ring, the outer filter screen connecting ring is fixedly connected with the upper end of the outer filter screen, and a clamping assembly is arranged between the inner filter screen and the inner wall of the top ring.

Description

Combined filter element

Technical Field

The utility model relates to a filter element, in particular to a combined filter element.

Background

The filter element is used for separating solid particles in liquid or gas in medical manufacturing, or makes different substance components fully contact, reaction time is quickened, normal operation of equipment or cleaning of air can be protected, most of medical pharmacy filter elements in the market at present are of single-layer filter structures, the filter effect is poor, filtered sundries can cause blockage of filter screen positions after long-term use, the filter effect is affected, the filter element does not have the effect of double-layer efficient filtration, a fine filter layer needs to be replaced after the filter element is blocked by use, but the fine filter layer is more expensive, and the replacement cost is higher.

There is therefore a need for a modular filter cartridge that ameliorates the above-described problems.

Disclosure of Invention

The present utility model is directed to a combined filter element, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a modular filter core, includes the filter core shell, filter core shell upper end is connected with the shell attach ring, filter core shell lower extreme is connected with the end ring, the outside threaded connection of shell attach ring has a top ring, its characterized in that: the filter element is characterized in that an outer filter screen and an inner filter screen are respectively arranged in the filter element shell, the outer filter screen is arranged on the outer side of the inner filter screen, an outer filter screen connecting ring is arranged between the upper end of the outer filter screen and the inner lower surface of the top ring, the outer filter screen connecting ring is fixedly connected with the upper end of the outer filter screen, and a clamping assembly is arranged between the inner filter screen and the inner wall of the top ring.

As a preferable scheme of the utility model, the mesh size of the outer filter screen is smaller than that of the inner filter screen, and a gap exists between the inner filter screen and the outer filter screen.

As a preferable scheme of the utility model, the clamping assembly comprises a connecting ring fixedly connected with the inner wall of the top ring and an inner filter screen connecting ring fixedly connected with the top end of the inner filter screen, a plurality of slots are formed in the upper end of the connecting ring at equal intervals, clamping grooves are formed in one side of the lower end of each slot, and a plurality of clamping blocks are fixedly connected to the outer end face of the inner filter screen connecting ring at equal intervals.

As a preferable scheme of the utility model, the clamping blocks and the clamping grooves are the same in number, and the sizes of the clamping blocks and the clamping grooves are matched.

As a preferable scheme of the utility model, the lower end of the inner filter screen is fixedly connected with a limit ring, and the upper surface of the inner part of the bottom ring is provided with a limit round groove matched with the limit ring.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the double-layer filter screen arrangement of the inner filter screen and the outer filter screen is adopted, the inner filter screen is coarse filtration, the outer filter screen is fine filtration, the filtering burden of the outer filter screen can be lightened, frequent blockage and replacement of the outer filter screen are avoided, the inner filter screen and the outer filter screen are both in detachable combined arrangement, and the inner filter screen and the outer filter screen can be detached conveniently and rapidly, so that the novel filter screen is convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is a top view of the top ring of the present utility model.

In the figure: the filter element comprises a filter element shell 1, a bottom ring 2, an outer filter screen connecting ring 3, a shell connecting ring 4, a top ring 5, a connecting ring 51, a slot 52, a clamping groove 53, an inner filter screen 6, an inner filter screen connecting ring 61, a clamping block 62, an outer filter screen 7, a limiting circular groove 8 and a limiting ring 9.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides a technical solution:

referring to fig. 1, 2 and 3, a combined filter core, including filter core shell 1, filter core shell 1 upper end is connected with shell attach ring 4, filter core shell 1 lower extreme is connected with end collar 2, shell attach ring 4's outside threaded connection has footstock 5, filter core shell 1's inside is provided with outer filter screen 7 and interior filter screen 6 respectively, and outer filter screen 7 sets up in the outside of interior filter screen 6, be provided with outer filter screen attach ring 3 between the upper end of outer filter screen 7 and the inside lower surface of footstock 5, through the threaded connection of footstock 5 and shell attach ring 4, press down fixedly to outer filter screen attach ring 3, realize spacing fixed to outer filter screen 7, outer filter screen attach ring 3 and the upper end fixed connection of outer filter screen 7, be provided with the block subassembly between the inner filter screen 6 and the inner wall of footstock 5, the mesh size of outer filter screen 7 is less than the mesh size of interior filter screen 6, and there is the clearance between inner filter screen 6 and the outer filter screen 7, be connected through the block subassembly between inner filter screen 6 and the footstock 5, guarantee that the installation of interior filter screen 6 is stable, the filter screen 6 carries out preliminary filtration, the filter screen 7 is carried out to the filter screen 7, the cost of replacing the filter screen 7 can be avoided to the outer filter screen 7 is reduced.

Referring to fig. 1, 2, 3 and 4, the clamping assembly includes a connection ring 51 fixedly connected with an inner wall of the top ring 5 and an inner filter screen connection ring 61 fixedly connected with a top end of the inner filter screen 6, a plurality of slots 52 are formed at equal intervals at an upper end of the connection ring 51, clamping grooves 53 are formed at one side of an inner lower end of each slot 52, a plurality of clamping blocks 62 are fixedly connected with an outer end face of the inner filter screen connection ring 61 at equal intervals, the number of the clamping blocks 62 is the same as that of the clamping grooves 53, the clamping blocks 62 are matched with the sizes of the clamping grooves 53, and the clamping blocks 62 are clamped into the clamping grooves 53 to limit and fix the inner filter screen connection ring 61 and the inner filter screen 6.

Referring to fig. 1 and 2, a limit ring 9 is fixedly connected to the lower end of the inner filter screen 6, a limit circular groove 8 matched with the limit ring 9 is formed in the inner upper surface of the bottom ring 2, and the limit of the inner filter screen 6 is achieved through the clamping of the limit ring 9 and the limit circular groove 8.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modular filter core, includes filter core shell (1), filter core shell (1) upper end is connected with shell attach ring (4), filter core shell (1) lower extreme is connected with end ring (2), the outside threaded connection of shell attach ring (4) has top ring (5), its characterized in that: the inside of filter core shell (1) is provided with outer filter screen (7) and interior filter screen (6) respectively, just outer filter screen (7) set up in the outside of interior filter screen (6), be provided with outer filter screen go-between (3) between the inside lower surface of outer filter screen (7) and top ring (5), the upper end fixed connection of outer filter screen go-between (3) and outer filter screen (7), be provided with the block subassembly between the inner wall of interior filter screen (6) and top ring (5).

2. A modular filter cartridge as recited in claim 1, wherein: the mesh size of the outer filter screen (7) is smaller than that of the inner filter screen (6), and a gap exists between the inner filter screen (6) and the outer filter screen (7).

3. A modular filter cartridge as recited in claim 1, wherein: the clamping assembly comprises a connecting ring (51) fixedly connected with the inner wall of the top ring (5) and an inner filter screen connecting ring (61) fixedly connected with the top end of the inner filter screen (6), a plurality of slots (52) are formed in the upper end of the connecting ring (51) at equal intervals, clamping grooves (53) are formed in one side of the lower end of the inside of each slot (52), and a plurality of clamping blocks (62) are fixedly connected to the outer end face of the inner filter screen connecting ring (61) at equal intervals.

4. A modular filter cartridge as claimed in claim 3 wherein: the clamping blocks (62) and the clamping grooves (53) are the same in number, and the clamping blocks (62) are matched with the clamping grooves (53) in size.

5. A modular filter cartridge as recited in claim 1, wherein: the lower end of the inner filter screen (6) is fixedly connected with a limit ring (9), and a limit round groove (8) matched with the limit ring (9) is formed in the upper surface of the inside of the bottom ring (2).