CN216023591U

CN216023591U - Filter screen structure

Info

Publication number: CN216023591U
Application number: CN202122082802.XU
Authority: CN
Inventors: 朱志荣; 张勇; 董晓燕; 徐仲尧
Original assignee: Wuxi Petrochemical General Parts Co ltd
Current assignee: Wuxi Petrochemical General Parts Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-15
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the technical field of filter screens, and particularly discloses a filter screen structure which comprises a filter frame, wherein a plurality of uniformly distributed mounting holes are formed in the filter frame, a fixing device is arranged in each mounting hole and connected with a filter screen mechanism, each filter screen mechanism comprises a filter screen frame, an active carbon filter layer is arranged in each filter screen frame, a metal filter screen is arranged on one side of each active carbon filter layer, a first spacer ring is arranged between each active carbon filter layer and each metal filter screen, limiting devices are arranged on two sides of each filter screen frame and used for fixing the metal filter screens and the active carbon filter layers in the filter screen frames, and a rear filter screen is connected to one side, far away from the metal filter screens, of the filter frame. The filter frame is internally connected with a plurality of filter screen mechanisms, so that the filter screen mechanisms can be replaced according to actual requirements when being blocked; in addition, the device has the advantage of convenient disassembly.

Description

Filter screen structure

Technical Field

The utility model belongs to the technical field of filter screens, and particularly relates to a filter screen structure.

Background

The filtration is a commonly used physical filtration method, a filter screen is required to be used in the filtration and separation process, but the existing filter screen has the defects of single structure, limited filtration capacity and poor filtration effect, and in addition, the filter screen is inconvenient to disassemble, so the filter screen is usually disassembled once for a long time, and the situation of filter screen blockage is easy to occur; in addition, when the filter screen holes are blocked, the whole filter screen sheet needs to be replaced, but the filter screen sheet is only partially blocked, so that waste is easily caused.

There is currently no solution to the shortcomings of the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems in the related art, the present invention provides a filter screen structure, which can overcome the above disadvantages in the prior art.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a filter screen structure, includes filtering framework, filtering framework is last to be equipped with a plurality of evenly distributed's mounting hole, every all be provided with fixing device in the mounting hole, fixing device is connected with filter screen mechanism, filter screen mechanism includes the filter screen frame, be equipped with the active carbon filter layer in the filter screen frame, one side of active carbon filter layer is equipped with metal filters, be equipped with spacer ring one, every between active carbon filter layer and the metal filters both sides of filter screen frame all are equipped with stop device, stop device be used for with metal filters and active carbon filter layer fix in the filter screen frame, filtering framework keeps away from one side of metal filters is connected with the back filter screen.

Further: the fixing device comprises a fixing ring, a plurality of windows are arranged on the side face of the fixing ring, a fixing sheet is connected to one side wall of each window, the fixing sheet is located in the fixing ring, a connecting sheet is connected between two side walls of each window, a first spring is connected between the connecting sheet and the fixing sheet, and the filter screen frame is arranged in a space surrounded by the fixing sheets. The fixing pieces are abutted to the periphery of the filter screen mechanism through the elastic force of the first spring, and the filter screen mechanism has the advantage of convenience in connection and disassembly.

Further: one side of the fixing ring, which is close to the metal filter screen, is connected with a baffle ring, and the baffle ring is fixedly connected with the filter frame. The retaining ring can be fixed to the filter frame by means of the retaining ring.

Further: the limiting device comprises limiting rings connected to two sides of the frame of the filter screen, each limiting ring is provided with a plurality of limiting holes, limiting pins are connected into the limiting holes, and the limiting pins are located at one ends outside the limiting rings and are connected with fixing blocks.

Further: metal filters keeps away from one side of active carbon filter layer is equipped with leading filter screen, spacing pin with between the leading filter screen active carbon filter screen with all be equipped with spacer ring two between the spacing pin.

Further: the rear filter screen is connected with a plurality of cylindrical pins, and the filter frame is provided with pin holes corresponding to the cylindrical pins.

Further: cylindrical holes are formed in the periphery of the filtering frame and are respectively communicated with the corresponding pin holes, a sliding groove is formed in each cylindrical pin, a sliding block is arranged in each sliding groove and is connected with the corresponding sliding groove through a second spring, the sliding blocks correspond to the cylindrical holes, and when the second spring is in the original length, the second spring is located in the cylindrical holes, and the other part of the second spring is located in the sliding grooves.

The utility model discloses a filter screen structure, which has the following beneficial effects:

1. the filter frame is internally connected with a plurality of filter screen mechanisms, so that the filter screen mechanisms can be replaced according to actual requirements when being blocked;

2. the filter frame and the filter screen mechanism are connected through the fixing device, so that the filter frame has the advantage of convenience in disassembly;

3. the setting of back filter screen can avoid liquid to pass through from the clearance between filter screen mechanism and the mounting hole to the realization is fully filtered liquid.

Drawings

FIG. 1 is a cross-sectional view of a filter screen construction according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic view of a filter frame of the present invention;

FIG. 5 is a schematic view of a fixture of the present invention;

in the figure: the filter comprises a filter frame 1, a mounting hole 11, a cylindrical hole 12, a pin hole 13, a fixing device 2, a fixing ring 21, a connecting piece 22, a baffle ring 23, a fixing piece 24, a first spring 25, a filter screen mechanism 3, a filter screen frame 31, a first spacer ring 32, an activated carbon filter layer 33, a metal filter screen 34, a second spacer ring 35, a front filter screen 36, a limiting pin 41, a limiting ring 42, a fixing block 43, a rear filter screen 51, a cylindrical pin 52, a second spring 53 and a sliding block 54.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

A filter screen structure, as shown in fig. 1-5, comprises a filter frame 1, the filter frame 1 is provided with a plurality of mounting holes 11 which are uniformly distributed, a plurality of fixing devices 2 are respectively installed in the corresponding mounting holes 11, the fixing devices 2 are used for being connected with a filter screen mechanism 3, the filter screen mechanism 3 is used for filtering liquid, wherein the fixing devices 2 comprise fixing rings 21 which are matched with the mounting holes 11, the side surfaces of the fixing rings 21 are provided with a plurality of windows, one side of each window is connected with a fixing plate 24, the area of the fixing plate 24 is smaller than that of the window, the fixing plates 24 are positioned in the fixing rings 21, connecting plates 22 are connected between two side walls of the window, a spring I25 is connected between the connecting plates 22 and the fixing plates 24, the filter screen mechanism 3 is inserted in a space surrounded by the fixing plates 24, after the filter screen mechanism 3 is inserted in the space surrounded by the fixing plates 24, the first spring 25 is compressed, the fixing piece 24 is pressed into the window due to the fact that the area of the fixing piece 24 is smaller than that of the window, and the fixing piece 24 is fixed to the filter screen mechanism 3 through the elastic force of the first spring on the fixing piece 24; the filter screen mechanism 3 comprises a filter screen frame 31, an active carbon filter layer 33 is arranged in the filter screen frame 31, a metal filter screen 34 is arranged on one side of the active carbon filter layer 33, wherein the metal filter screen 34 can be in a wave-shaped structure so as to play a role in guiding liquid, a first spacer ring 32 is arranged between the active carbon filter layer 33 and the metal filter screen 34 and used for separating the active carbon filter layer 33 and the metal filter screen 34, in order to prevent the metal filter screen 34 and the active carbon filter layer 33 from being separated from the filter screen frame 31, two sides of each filter screen frame 31 are respectively provided with a limiting device, and the metal filter screen 34 and the active carbon filter layer 33 can be limited in the filter screen frame 31 through the limiting devices; the rear filter screen 51 is disposed on a side of the filter frame 1 away from the metal filter screen 34, the rear filter screen 51 is used for filtering the liquid passing through the gap between the mounting hole 11 and the fixing ring 21 and the liquid gap between the fixing ring 21 and the filter screen mechanism 3, thereby improving the filtering effect, the filtering direction of the liquid is as shown by the arrow in fig. 1, the liquid passes through the activated carbon filter layer 33 from the metal filter screen 34 to the rear filter screen 51, therefore, after the rear filter screen 51 is mounted, the replacing period of the rear filter screen 51 is relatively longer compared with the filter screen mechanism 3, in order to replace the rear filter screen 51 when the filter screen mechanism 3 is replaced, the fixing piece 24 should be connected to a side of the window close to the rear filter screen 51, therefore, when the filter screen mechanism 3 is detached, the filter screen mechanism 3 is pulled toward the upstream direction of the liquid (the direction opposite to the arrow in fig. 1), in this case, the attachment of the fixing piece 24 does not affect the removal of the filter mechanism 3.

In one embodiment of the utility model: as shown in fig. 5, a retaining ring 23 is connected to one side of the fixing ring 21 close to the metal filter 34, and the retaining ring 23 is fixedly connected to the filter frame 1. The fixed connection between the retaining ring 23 and the filter frame 1 can make the connection between the fixing device 2 and the filter frame 1 more firm; in addition, the situation that the fixing ring 21 moves along with the filter screen mechanism 3 in the process of disassembling the filter screen mechanism 3 can be avoided.

In one embodiment of the utility model: as shown in fig. 2, the limiting device includes a limiting ring 42 connected to both sides of the filter screen frame 31, the inner side of the limiting ring 42 is located outside the space enclosed by the inner side of the filter screen frame 31, the outer side of the limiting ring 42 is located inside the space enclosed by the outer side of the filter screen frame 31, each limiting ring 42 is provided with a plurality of limiting holes, limiting pins 41 are connected to the limiting holes, the limiting pins 41 are located at the outer end of the limiting ring 42, fixing blocks 43 are connected to the outer end of the limiting ring 42, and the fixing blocks 43 are arranged to prevent the limiting pins 41 from breaking away from the limiting holes.

In one embodiment of the utility model: as shown in fig. 2, metal filters 34 keeps away from one side of active carbon filter layer 33 is equipped with leading filter screen 36, and leading filter screen 36 is the wire mesh, spacing pin 41 with between leading filter screen 36 the active carbon filter screen with all be equipped with spacer ring two 35 between the spacing pin 41, leading filter screen 36 compares corrugated metal filters 34 and washs easily more, can carry out primary filter to liquid earlier through leading filter screen 36's setting, and liquid through primary filter is filtered by metal filters 34 again to can reduce the washing change frequency to corrugated metal filters 34.

In one embodiment of the utility model: as shown in fig. 3, a plurality of cylindrical pins 52 are connected to the rear filter screen 51, pin holes 13 corresponding to the cylindrical pins 52 are formed in the filter frame 1, and the rear filter screen 51 can be connected to the filter frame 1 by inserting the cylindrical pins 52 into the corresponding pin holes 13; cylindrical holes 12 are formed in the periphery of the filtering frame 1, the cylindrical holes 12 are respectively communicated with the corresponding pin holes 13, sliding grooves are formed in each cylindrical pin 52, sliding blocks 54 are arranged in the sliding grooves, the sliding blocks 54 are connected with the sliding grooves through second springs 53, the sliding blocks 54 correspond to the cylindrical holes 12, and when the second springs 53 are in the original length, the second springs 53 are partially positioned in the cylindrical holes 12, and the other parts of the second springs are positioned in the sliding grooves; therefore, during specific installation, the sliding block 54 can be moved into the sliding groove, then the cylindrical pin 52 is inserted into the pin hole 13, after the cylindrical pin 52 is completely inserted into the pin hole 13, the sliding block 54 is ejected out of the sliding groove under the elastic force of the second spring 53, and is partially positioned in the cylindrical hole 12, and is partially positioned in the sliding groove, so that the rear filter screen 51 and the filter frame 1 are fixed, and the rear filter screen 51 is prevented from falling off from the filter frame 1.

In order to facilitate understanding of the above-described aspects of the present invention, the above-described aspects of the present invention will be described in detail below.

When the filter screen structure is used specifically, the filter screen structure is installed on a pipeline needing filtering, and water flow needing filtering flows in the direction of an arrow in fig. 1, so that the filtering sequence is as follows in the liquid flow: the front filter screen 36 carries out primary filtration, the wavy metal filter screen 34 carries out filtration, the activated carbon filter layer 33 carries out adsorption filtration, and finally, the filtration is carried out through the rear filter screen 51, and impurities in the filtered liquid are basically intercepted by the front filter screen 36, the wavy metal filter screen 34 and the activated carbon filter layer 33, and in addition, when the liquid directly flows to the rear filter screen 51 through a gap between the mounting hole 11 and the fixing ring 21 or a gap between the fixing ring 21 and the filter screen mechanism 3, the filter screen can also play a role in filtration, so that the filtering effect is ensured.

When the rear filter screen 51 needs to be replaced, firstly, the inserted rod is inserted into the cylindrical hole 12, so that the sliding block 54 in the cylindrical hole 12 is completely compressed in the sliding groove, and then the rear filter screen 51 is moved towards the direction away from the filter frame 1; when the metal filter screen 34 or the activated carbon filter layer 33 needs to be replaced, the filter screen frame 31 is moved towards the direction away from the rear filter screen 51 to enable the filter screen mechanism 3 to be taken out from between the fixing pieces 24, then the limiting pin 41 is moved to enable the limiting pin 41 to be in contact with the inner surface of the limiting ring 42, and the metal filter screen 34 or the activated carbon filter layer 33 is taken down.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims

1. The utility model provides a filter screen structure, a serial communication port, including filtering frame, be equipped with a plurality of evenly distributed's mounting hole on the filtering frame, every all be provided with fixing device in the mounting hole, fixing device is connected with filter screen mechanism, filter screen mechanism includes the filter screen frame, be equipped with the active carbon filter layer in the filter screen frame, one side of active carbon filter layer is equipped with metal filters, be equipped with spacer ring one, every between active carbon filter layer and the metal filters both sides of filter screen frame all are equipped with stop device, stop device be used for with metal filters and active carbon filter layer fix in the filter screen frame, filtering frame keeps away from one side of metal filters is connected with the back filter screen.

2. A filter screen construction according to claim 1, wherein: the fixing device comprises a fixing ring, a plurality of windows are arranged on the side face of the fixing ring, a fixing sheet is connected to one side wall of each window, the fixing sheet is located in the fixing ring, a connecting sheet is connected between two side walls of each window, a first spring is connected between the connecting sheet and the fixing sheet, and the filter screen frame is arranged in a space surrounded by the fixing sheets.

3. A filter screen construction according to claim 2, wherein: one side of the fixing ring, which is close to the metal filter screen, is connected with a baffle ring, and the baffle ring is fixedly connected with the filter frame.

4. A filter screen construction according to claim 3, wherein: the limiting device comprises limiting rings connected to two sides of the frame of the filter screen, each limiting ring is provided with a plurality of limiting holes, limiting pins are connected into the limiting holes, and the limiting pins are located at one ends outside the limiting rings and are connected with fixing blocks.

5. A filter screen construction according to claim 4, wherein: one side that active carbon filter layer was kept away from to metal filters is equipped with leading filter screen, spacing pin with between the leading filter screen active carbon filter screen with all be equipped with spacer ring two between the spacing pin.

6. A filter screen construction according to claim 5, wherein: the rear filter screen is connected with a plurality of cylindrical pins, and the filter frame is provided with pin holes corresponding to the cylindrical pins.

7. A filter screen construction according to claim 6, wherein: cylindrical holes are formed in the periphery of the filtering frame and are respectively communicated with the corresponding pin holes, a sliding groove is formed in each cylindrical pin, a sliding block is arranged in each sliding groove and is connected with the corresponding sliding groove through a second spring, the sliding blocks correspond to the cylindrical holes, and when the second spring is in the original length, the second spring is located in the cylindrical holes, and the other part of the second spring is located in the sliding grooves.