CN215916619U - Two-stage filtering filter stick and filter using same - Google Patents
Two-stage filtering filter stick and filter using same Download PDFInfo
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- CN215916619U CN215916619U CN202121667363.2U CN202121667363U CN215916619U CN 215916619 U CN215916619 U CN 215916619U CN 202121667363 U CN202121667363 U CN 202121667363U CN 215916619 U CN215916619 U CN 215916619U
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Abstract
The utility model discloses a two-stage filtering filter stick and a filter using the same, and the two-stage filtering filter stick comprises an inner framework formed by connecting a plurality of stick sections with each other along the axial direction, wherein the inner framework is made of hard plastics or rubber, each stick section comprises a plurality of horizontal rings which are uniformly arranged along the vertical direction at intervals, a plurality of vertical ribs which are arranged along the axial direction are bonded or welded together among the horizontal rings, and the vertical ribs and the horizontal rings form a cylindrical grid structure and are used as a coarse filtering screen; the inner framework is wrapped with filter cloth which is used as a fine filter screen and is used as a water outlet part; the bottom ends of the inner framework and the filter cloth are connected with a lower connector, and the lower connector is used for installing a two-stage filter stick and leading water to be filtered to the inner framework; the top ends of the inner framework and the filter cloth are connected with upper joints, and the upper joints are used for installing filter rods. The filter stick provided by the utility model has the advantages of long service life, good filtering effect and convenience in installation and use, and the corresponding filter is very convenient for cleaning impurities in the filter stick.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a filter stick and a filter.
Background
Water used in production and life of people, such as tap water, landscape water, swimming pool water, water for water orchards, and the like, often needs to be filtered. The filter stick has the characteristics of simple structure, convenience in manufacturing and the like, and the filter stick and the filter with the filter stick are widely applied in recent years.
The existing filter stick has the following defects:
1. the filter stick is usually formed by mutually coaxially connecting a plurality of sections of the filter stick, a connecting structure is required to be arranged at the connecting position for fixing the mutual positions, the connecting structure occupies the axial length of some filter sticks, and the filter stick at the connecting structure does not have a filtering function, so that the effective filtering length (area) of the filter stick in the axial direction is reduced.
2. The inlet of the existing filter stick is upward when the filter stick is used, filtered water flows out of the filter stick along the radial direction, so that impurities are remained in the filter stick, and the filter stick gradually loses the filtering function along with the more the impurities are accumulated in the filter stick after the filter stick is used, so that the service life of the existing filter stick is to be prolonged.
3. The existing filter rods are single-stage filter rods, so that the filter groups cannot be increased too much through coarse and fine filtration, and the filter effect is improved.
The existing filter using the filter stick has the following defects: impurities in the filter stick cannot be conveniently cleaned out, and the service life of the filter stick needs to be prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a filter stick with two-stage filtration, which has good filtration effect and longer service life, aiming at the defects of the prior art.
In order to achieve the aim, the two-stage filtering filter stick comprises an inner framework formed by connecting a plurality of stick segments with each other along the axial direction, the inner framework is made of hard plastics or rubber,
each rod section comprises a plurality of horizontal rings which are uniformly arranged at intervals along the vertical direction, the horizontal rings are bonded or welded together by a plurality of vertical ribs which are arranged along the axial direction, and the vertical ribs and the horizontal rings form a cylindrical grid structure and are used as rough filtering screens;
the inner framework is wrapped with filter cloth which is used as a fine filter screen and is used as a water outlet part; the bottom ends of the inner framework and the filter cloth are connected with a lower connector, and the lower connector is used for installing a two-stage filter stick and leading water to be filtered to the inner framework; the top ends of the inner framework and the filter cloth are connected with upper joints, and the upper joints are used for installing filter rods.
A plurality of positioning rods are arranged on the horizontal ring at the topmost end of each rod section in the circumferential direction, a plurality of positioning holes are arranged on the horizontal ring at the bottommost end of each rod section in the circumferential direction in a one-to-one correspondence mode with the positioning rods, and in two adjacent rod sections up and down, the positioning rods of the rod sections on the lower layer are inserted into the positioning holes of the rod sections on the upper layer.
The lower joint is provided with an inner connecting part which is fixedly bonded with the filter cloth or welded, and the inner connecting part is in a flat cylinder shape; the bottom wall of the inner connecting part is provided with an outer connecting part in a downward bulge manner, the outer connecting part is cylindrical and is provided with external threads, the outer connecting part is provided with a downward opening, and the opening is used as a water inlet of the two-stage filter stick; the upper joint is in a flat cylinder shape, a clamping groove is formed in the center of the top surface of the upper joint in a downward concave mode, and the circumferential inner wall of the upper joint is fixedly bonded or welded with the filter cloth.
The utility model also discloses a filter using the two-stage filter stick, which comprises a shell, wherein the shell is downwards supported on the ground through supporting legs, an upper mounting plate and a lower mounting plate are arranged in the shell, and the upper mounting plate and the lower mounting plate are horizontally arranged;
the lower mounting plate is provided with a plurality of threaded holes matched with the external connecting part, and the upper mounting plate is provided with a plurality of clamping bulges matched with the upper connecting part; the clamping bulges and the threaded holes are arranged in a one-to-one correspondence manner, and a two-stage filter stick is assembled between one group of clamping bulges and the threaded holes; the lower mounting plate is in threaded sealing fit with the outer connecting part of the two-stage filter rod;
the lower mounting plate and the shell below the lower mounting plate form a water inlet cavity which is connected with a water inlet pipe;
the lower mounting plate and the shell above the lower mounting plate enclose a water purification cavity, and the water purification cavity is connected with a water outlet pipe.
A plurality of ultrasonic vibrators are respectively arranged on the upper mounting plate and the lower mounting plate; the water inlet cavity is provided with a movable sealing door for cleaning impurities.
The utility model has the following advantages:
the filter stick breaks through the limitation that the existing filter stick can only be filtered in one stage, the vertical ribs and the horizontal ring are enclosed into a cylindrical grid structure and serve as a rough filter screen, and the filter cloth serves as a fine filter screen, so that coarse and fine two-stage filtering is realized, and the filtering effect is improved.
The former filter stick can only be filtered in one stage, which is limited by the structure that the filter cloth is used as a water inlet part and the upper joint is used as a water outlet part, and the water to be filtered directly passes through the filter cloth, so that a coarse filter screen with lower precision than the filter cloth is not needed to be arranged.
In the utility model, the lower joint is used as a water inlet part, and the filter cloth is used as a water outlet part, so that water firstly passes through a coarse filter screen and then passes through a fine filter screen, thereby realizing coarse and fine two-stage filtration.
In the utility model, two adjacent rod sections are positioned by the insertion fit of the positioning rod and the positioning hole, and compared with the prior connecting structure between the rod sections, the positioning structure has the following characteristics:
the axial positioning is realized by pressing and fixing the rod sections together through the upper joint and the lower joint, so that the circumferential positioning is mainly realized through the inserting and connecting matching of the positioning rod and the positioning hole, the structure is simpler, the assembling requirement of the filter rod is also met, and the outstanding advantage is that the axial positioning is different from the prior art that the connecting structure occupies the circumferential space of all the filter rods in a certain axial length direction and the filter rod at the axial length position of the connecting structure completely loses the filtering effect.
The upper joint and the lower joint are simple in structure, can be fixed with filter cloth in a sealing mode, and are convenient to install on a filter.
When in use, the inlet water to be filtered firstly enters the water inlet cavity and then enters the filter rods through the water inlets of the two stages of filter rods; water in the filter stick firstly passes through the coarse filter screen, and large impurities in the water are blocked before contacting the filter cloth. Then water passes through the filter cloth radially outwards to obtain relative fine filtration; the purified water after the two-stage filtration enters the water purifying cavity after passing through the filter cloth and finally flows out of the water outlet pipe to be supplied to a water unit for use.
Under the action of gravity, impurities heavier than water fall downwards and fall into the water inlet cavity through the water inlet of the two-stage filter rod, so that compared with the prior art, the impurities are all retained in the filter rod, and the service life of the filter rod is greatly prolonged.
The arrangement of the ultrasonic vibrator is beneficial to vibrating and dropping off impurities adhered to the surface of the filter cloth, and the dropped impurities can fall into the water inlet cavity downwards, so that the technical means for cleaning the impurities in the filter stick is provided, and the service life of the filter stick can be greatly prolonged.
In a word, the filter stick has the advantages of long service life, good filtering effect and convenient installation and use, and the corresponding filter is very convenient to clean impurities in the filter stick.
Drawings
Figure 1 is a schematic diagram of the construction of a two stage filter rod;
FIG. 2 is a schematic structural view of a rod segment;
FIG. 3 is a schematic top view of the intermediate horizontal rings of the rod segment, except for the topmost and bottommost horizontal rings;
FIG. 4 is a schematic top view of the topmost horizontal ring in the rod segment;
FIG. 5 is a schematic top view of the lowermost horizontal ring of the rod segment;
fig. 6 is a schematic view of the filter structure.
Detailed Description
As shown in fig. 1 to 5, the two-stage filter stick of the present invention comprises an inner frame formed by connecting a plurality of stick segments with each other along an axial direction, wherein the inner frame is made of hard plastic or rubber;
each rod section comprises a plurality of horizontal rings 1 which are uniformly arranged at intervals along the vertical direction, the horizontal rings 1 are bonded or welded together by a plurality of vertical ribs 2 which are arranged along the axial direction, and the vertical ribs 2 and the horizontal rings 1 form a cylindrical grid structure and are used as rough filtering screens;
the filter cloth 3 is covered outside the inner framework, and the filter cloth 3 is used as a fine filter screen and is used as a water outlet part; the bottom ends of the inner framework and the filter cloth 3 are connected with a lower joint 4, and the lower joint 4 is used for installing two-stage filter rods and leading water to be filtered into the inner framework; the top ends of the inner framework and the filter cloth 3 are connected with an upper joint 5, and the upper joint 5 is used for installing a filter stick.
The filter stick breaks through the limitation that the existing filter stick can only be filtered in one stage, the vertical ribs 2 and the horizontal ring 1 are enclosed into a cylindrical grid structure and used as a rough filter screen, and the filter cloth 3 is used as a fine filter screen, so that coarse and fine two-stage filtering is realized, and the filtering effect is improved.
The prior filter stick can only carry out primary filtration and is limited by a structure that the filter cloth 3 is used as a water inlet part and the upper joint 5 is used as a water outlet part, and water to be filtered directly passes through the filter cloth 3 under the structure, so that a coarse filtration filter net with lower precision than the filter cloth 3 is not needed to be arranged.
In the utility model, the lower joint 4 is used as a water inlet part, and the filter cloth 3 is used as a water outlet part, so that water firstly passes through a coarse filter screen and then passes through a fine filter screen, thereby realizing coarse and fine two-stage filtration.
A plurality of positioning rods 6 are arranged on the horizontal ring 1 at the topmost end of each rod section in the circumferential direction, a plurality of positioning holes 7 are arranged on the horizontal ring 1 at the bottommost end of each rod section in the circumferential direction in one-to-one correspondence with the positioning rods 6, and in two adjacent rod sections from top to bottom, the positioning rods 6 of the rod sections on the lower layer are inserted into the positioning holes 7 of the rod sections on the upper layer.
In the utility model, two adjacent rod sections are positioned by inserting and matching the positioning rod 6 and the positioning hole 7, and compared with the prior connecting structure between the rod sections, the positioning structure has the following characteristics:
the axial positioning is realized by pressing and fixing the rod sections together by the upper joint 5 and the lower joint 4, so that the circumferential positioning is mainly realized by the inserting and connecting matching of the positioning rod 6 and the positioning hole 7, the structure is simpler and the assembly requirement of the filter rod is also met, and the outstanding advantage is that the axial positioning is different from the prior connecting structure that the circumferential space of all the filter rods is occupied in a certain axial length direction and the filter rod at the axial length position of the connecting structure completely loses the filtering effect.
The lower joint 4 is provided with an inner connecting part 8 which is fixedly bonded or welded with the filter cloth 3, and the inner connecting part 8 is in a flat cylinder shape; the bottom wall of the inner connecting part 8 is provided with an outer connecting part 9 in a downward protruding mode, the outer connecting part 9 is cylindrical and is provided with an external thread, the outer connecting part 9 is provided with a downward opening, and the opening is used as a water inlet 10 of the two-stage filter stick; the upper joint 5 is in a flat cylinder shape, a clamping groove 11 is formed in the center of the top surface of the upper joint in a downward sunken mode, and the circumferential inner wall of the upper joint 5 is fixedly bonded or welded with the filter cloth 3.
The upper joint 5 and the lower joint 4 have simple structures, can be fixed with the filter cloth 3 in a sealing way, and are convenient to be arranged on a filter.
As shown in figure 6, the utility model also discloses a filter using the two-stage filter stick, which comprises a shell 12, wherein the shell 12 is supported on the ground downwards through a support leg 13, an upper mounting plate 14 and a lower mounting plate 15 are arranged in the shell 12, and the upper mounting plate 14 and the lower mounting plate 15 are both horizontally arranged;
the lower mounting plate 15 is provided with a plurality of threaded holes matched with the outer connecting parts 9, and the upper mounting plate 14 is downwards provided with a plurality of clamping bulges matched with the upper connecting parts; the clamping bulges and the threaded holes are arranged in a one-to-one correspondence manner, and a two-stage filter stick 22 is assembled between one group of clamping bulges and the threaded holes; the lower mounting plate 15 is in threaded sealing fit with the outer connecting part 9 of the two-stage filter stick 22; in figure 6 the clamping boss is obscured by the two stage filter plug 22 and the threaded aperture is obscured by the lower mounting plate 15, so the threaded aperture and clamping boss are not shown.
The lower mounting plate 15 and the shell 12 below the lower mounting plate form a water inlet cavity 16, and the water inlet cavity 16 is connected with a water inlet pipe 17;
the lower mounting plate 15 and the shell 12 above the lower mounting plate enclose a water purifying cavity 18, and the water purifying cavity 18 is connected with a water outlet pipe 19.
When in use, the inlet water to be filtered firstly enters the water inlet cavity 16 and then enters the filter stick through the water inlet 10 of each two-stage filter stick 22; the water in the filter stick firstly passes through the coarse filter screen, and large impurities in the water are blocked before contacting the filter cloth 3. Then the water passes through the filter cloth 3 along the radial direction and is filtered relatively finely; the purified water after two-stage filtration enters the purified water cavity 18 after passing through the filter cloth 3, and finally flows out of a water supply unit for use through a water outlet pipe 19.
Under the action of gravity, impurities heavier than water fall downwards and fall into the water inlet cavity 16 through the water inlet 10 of the two-stage filtering filter stick 22, so that compared with the prior art, the impurities are all remained in the filter stick, and the service life of the filter stick is greatly prolonged.
A plurality of ultrasonic vibrators 20 are respectively arranged on the upper mounting plate 14 and the lower mounting plate 15; the water inlet cavity 16 is provided with a movable sealing door 21 for cleaning impurities.
The arrangement of the ultrasonic vibrator 20 is beneficial to vibrating and dropping off impurities adhered to the surface of the filter cloth 3, and the dropped impurities can fall into the water inlet cavity 16 downwards, so that the technical means for cleaning the impurities in the filter stick is provided, and the service life of the filter stick can be greatly prolonged.
The movable sealing door 21 and the ultrasonic vibrator 20 (ultrasonic transducer) are both of conventional structures, and detailed description thereof is omitted.
During assembly, the upper mounting plate 14 is not mounted, the filter rods are firstly screwed into the threaded holes in the lower mounting plate 15 through the outer connecting parts 9, then the upper mounting plate 14 is covered, and the clamping protrusions on the upper mounting plate 14 are inserted into the clamping grooves 11 of the upper connecting parts.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model and it is intended to cover in the claims the utility model as defined in the appended claims.
Claims (5)
1. The two-stage filtering filter stick comprises an inner framework formed by connecting a plurality of stick sections with each other along the axial direction, the inner framework is made of hard plastic or rubber,
the method is characterized in that: each rod section comprises a plurality of horizontal rings which are uniformly arranged at intervals along the vertical direction, the horizontal rings are bonded or welded together by a plurality of vertical ribs which are arranged along the axial direction, and the vertical ribs and the horizontal rings form a cylindrical grid structure and are used as rough filtering screens;
the inner framework is wrapped with filter cloth which is used as a fine filter screen and is used as a water outlet part; the bottom ends of the inner framework and the filter cloth are connected with a lower connector, and the lower connector is used for installing a two-stage filter stick and leading water to be filtered to the inner framework; the top ends of the inner framework and the filter cloth are connected with upper joints, and the upper joints are used for installing filter rods.
2. A two-stage filter rod according to claim 1 wherein: a plurality of positioning rods are arranged on the horizontal ring at the topmost end of each rod section in the circumferential direction, a plurality of positioning holes are arranged on the horizontal ring at the bottommost end of each rod section in the circumferential direction in a one-to-one correspondence mode with the positioning rods, and in two adjacent rod sections up and down, the positioning rods of the rod sections on the lower layer are inserted into the positioning holes of the rod sections on the upper layer.
3. A two-stage filter rod according to claim 1 wherein: the lower joint is provided with an inner connecting part which is fixedly bonded with the filter cloth or welded, and the inner connecting part is in a flat cylinder shape; the bottom wall of the inner connecting part is provided with an outer connecting part in a downward bulge manner, the outer connecting part is cylindrical and is provided with external threads, the outer connecting part is provided with a downward opening, and the opening is used as a water inlet of the two-stage filter stick; the upper joint is in a flat cylinder shape, a clamping groove is formed in the center of the top surface of the upper joint in a downward concave mode, and the circumferential inner wall of the upper joint is fixedly bonded or welded with the filter cloth.
4. A filter using the two-stage filter stick of claim 3, comprising a housing, wherein the housing is supported on the ground downwards through a support leg, an upper mounting plate and a lower mounting plate are arranged in the housing, and the upper mounting plate and the lower mounting plate are horizontally arranged;
the method is characterized in that: the lower mounting plate is provided with a plurality of threaded holes matched with the external connecting part, and the upper mounting plate is provided with a plurality of clamping bulges matched with the upper connecting part; the clamping bulges and the threaded holes are arranged in a one-to-one correspondence manner, and a two-stage filter stick is assembled between one group of clamping bulges and the threaded holes; the lower mounting plate is in threaded sealing fit with the outer connecting part of the two-stage filter rod;
the lower mounting plate and the shell below the lower mounting plate form a water inlet cavity which is connected with a water inlet pipe;
the lower mounting plate and the shell above the lower mounting plate enclose a water purification cavity, and the water purification cavity is connected with a water outlet pipe.
5. The filter of claim 4, wherein: a plurality of ultrasonic vibrators are respectively arranged on the upper mounting plate and the lower mounting plate; the water inlet cavity is provided with a movable sealing door for cleaning impurities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121667363.2U CN215916619U (en) | 2021-07-22 | 2021-07-22 | Two-stage filtering filter stick and filter using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121667363.2U CN215916619U (en) | 2021-07-22 | 2021-07-22 | Two-stage filtering filter stick and filter using same |
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| Publication Number | Publication Date |
|---|---|
| CN215916619U true CN215916619U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121667363.2U Active CN215916619U (en) | 2021-07-22 | 2021-07-22 | Two-stage filtering filter stick and filter using same |
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| CN (1) | CN215916619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116392890A (en) * | 2023-06-05 | 2023-07-07 | 新乡市平菲液压有限公司 | Low-pressure pipeline double-cylinder filter |
-
2021
- 2021-07-22 CN CN202121667363.2U patent/CN215916619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116392890A (en) * | 2023-06-05 | 2023-07-07 | 新乡市平菲液压有限公司 | Low-pressure pipeline double-cylinder filter |
| CN116392890B (en) * | 2023-06-05 | 2023-08-29 | 新乡市平菲液压有限公司 | Low-pressure pipeline double-cylinder filter |
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