CN109806647B - Elastic self-locking filter device - Google Patents

Elastic self-locking filter device Download PDF

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Publication number
CN109806647B
CN109806647B CN201910259732.5A CN201910259732A CN109806647B CN 109806647 B CN109806647 B CN 109806647B CN 201910259732 A CN201910259732 A CN 201910259732A CN 109806647 B CN109806647 B CN 109806647B
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filter screen
disc
mounting holes
screen mounting
shell
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CN201910259732.5A
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CN109806647A (en
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滕海鹏
杨莎
马瑶
刘姣姣
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NORTHWEST UNIVERSITY
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NORTHWEST UNIVERSITY
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Abstract

An elastic self-locking filter device is characterized in that an upper connecting disc is arranged at the lower part of the outer wall of a shell, 1-5 lower connecting discs are arranged below the upper connecting disc of the outer wall of the shell, a lower supporting disc is arranged inside the shell, a gland with a thrust bearing is arranged at the upper end of the shell, the thrust bearing and an electric push rod are arranged on the gland, 1-5 upper supporting discs which are positioned above the lower supporting disc and are equal to the lower connecting disc in number are arranged on the push rod of the electric push rod, an upper end of the upper supporting disc is connected with the lower supporting disc, an inner filter screen with the lower end connected with the upper connecting disc is arranged at the outer side of the shell, outer filter screens are arranged at the two sides of each inner filter screen, the geometric shapes of the inner filter screen and the outer filter screen are in a strip-shaped structure, the upper end of each outer filter screen is connected with the lowest upper supporting disc, the lower end of each outer filter screen is connected with the uppermost lower connecting disc to form a first layer of filter screen, the outer filter screens which are mutually overlapped are arranged on the outer surfaces of the first layer of filter screens to form 2-4 layers of concentric circles, and the upper ends of the outer filter screens are connected with the corresponding upper supporting discs and the lower ends are connected with the corresponding lower connecting discs.

Description

Elastic self-locking filter device
Technical Field
The invention belongs to the technical field of filtering equipment or devices, and particularly relates to an elastic self-locking filtering device.
Background
The current common filtering and purifying device is divided into three series of primary, fine and deep filtration according to the design of application fields such as sewage, oil and air of specific filtering media and the like, and the main structure of the device comprises double filter materials, walnut shells, filter element type, ceramics, membranes, fiber balls, fiber bundle filters and the like, and different filtering devices are selected according to different filtering requirements when the device is used. For sewage purification filtration, there are two types of conventional filtration devices: quartz sand and filter core formula, but because quartz sand formula structure is complicated, occupation of land space is big, the operation is complicated, the cost of production is high, and filter core formula needs frequent filter core of changing, and the consumptive material is big, and these filters are with high costs, the structure is complicated moreover, are not applicable to small-size family expenses or pond small-size sewage filtration treatment, and current filtration equipment is the direct filtration treatment that carries out sewage, when aiming at different sewage, can not accomplish to adjust and filter. Along with the improvement of living standard, the requirement on water quality is higher and higher, and especially the problem that filter elements or filter screens are frequently cleaned and disassembled in the water quality purifying and filtering process is frequently existed, and in the technical field of filtering treatment and purifying equipment, a technical problem to be solved urgently at present is to provide a filtering device which has a simple structure, a backwash function and a long service cycle, and can automatically adjust the covering density of the filter screens and the number of layers of the filter screens according to the sewage and sewage treatment capacity of different water qualities.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the elastic self-locking filtering device with the advantages of wide application range, simple structure, convenient operation, convenient disassembly and assembly, convenient cleaning and good filtering effect and backwash function.
The technical scheme adopted for solving the technical problems is as follows: an upper connecting disc is arranged at the lower part of the outer wall of the shell, 1-5 lower connecting discs are arranged below the upper connecting discs of the outer wall of the shell, a lower supporting disc is arranged inside the shell, a gland with a thrust bearing is arranged at the upper end of the shell, an electric push rod is arranged on the gland, the push rod of the electric push rod penetrates through the thrust bearing and the lower supporting disc, 1-5 upper supporting discs which are positioned above the lower supporting discs and are equal in number with the lower connecting discs are arranged on the push rod, an inner filter screen with the upper end connected with the lower supporting disc and the lower end connected with the upper connecting disc is arranged at the outer side of the shell, 1 outer filter screen is respectively arranged at two sides of each inner filter screen, the geometric shapes of the inner filter screen and the outer filter screen are in a strip-shaped structure, the upper end of each outer filter screen is connected with the lowest upper supporting disc and the lower end of the uppermost lower connecting disc, a first layer of filter screen is formed, 0-4 layers of concentric circles of filter screens are formed by mutually overlapped outer filter screens are arranged on the outer surfaces of the first layer of filter screens, and the upper ends of the outer filter screens of each layer of filter screens are connected with the corresponding upper supporting discs and the lower ends of the corresponding filter screens are connected with the lower connecting discs.
The invention sets up the upper connection plate at the lower part of the outer wall of the shell, the upper connection plate of the outer wall of the shell is provided with 3 lower connection plates, the shell is internally provided with a lower support plate, the push rod of the electric push rod is provided with 3 upper support plates which are positioned above the lower support plate and have the same number with the lower connection plates, the outer side of the shell is provided with inner filter screens with the upper ends connected with the lower support plates and the lower ends connected with the upper connection plates, two sides of each inner filter screen are respectively provided with 1 outer filter screen, the upper end of each outer filter screen is connected with the upper support plate and the lower end is connected with the lower connection plates to form a first layer of filter screen, the outer surface of the first layer of filter screen is provided with 2 layers of filter screens which are mutually overlapped and are concentric circles, and the upper end of each outer filter screen of the first layer of filter screen is connected with the corresponding upper support plate and the lower end of each filter screen is connected with the corresponding lower connection plate.
The upper support plate and the lower support plate are uniformly provided with filter screen mounting holes b in the same circumference, the center of the upper support plate is provided with a center hole with the same inner diameter, one upper support plate is staggered with the filter screen mounting holes b on the adjacent upper support plate, the upper connection plate and the lower connection plate are uniformly provided with filter screen mounting holes a, the filter screen mounting holes a on the lower connection plate are staggered with the filter screen mounting holes a on the adjacent lower connection plate, the filter screen mounting holes a of the upper support plate are equal to the filter screen mounting holes b on the lower support plate in number, the upper end of an inner filter screen is arranged in the filter screen mounting holes b of the lower support plate, the lower end of the inner filter screen is arranged in the filter screen mounting holes a of the upper connection plate, and the upper end of each outer filter screen is arranged in the filter screen mounting holes b of the corresponding upper support plate and the lower end of the outer filter screen is arranged in the filter screen mounting holes a of the corresponding lower connection plate.
The outer diameter of an upper supporting disc arranged on a push rod of the electric push rod increases from top to bottom, and the outer diameter of a lower connecting disc arranged outside a shell decreases from top to bottom.
The invention adopts the electric push rod, 1-5 upper connecting discs and 1 lower connecting disc are arranged on the push rod, a first layer of filter screen formed by mutually overlapping an inner filter screen and an outer filter screen which are of 1-circle sheet structures is arranged outside a shell, 0-4 circles of outer filter screen which are mutually overlapped are arranged outside the first layer of filter screen, the upper ends of the inner filter screen are arranged on the lower supporting disc, the lower ends of the inner filter screen are arranged on the upper connecting disc, the upper ends of the 0-4 circles of outer filter screen are respectively arranged on the upper supporting disc and the lower end of the upper supporting disc, the number of pieces of the inner filter screen and the number of pieces of the outer filter screen are selected according to different water treatment and water treatment amount, the electric push rod is adopted to push the upper supporting disc to move up and down, the length of the outer filter screen is adjusted, the outer filter screen is tensioned or relaxed, and is locked, different purification degrees and different requirements of sewage filtration are realized, and counter cleaning can be realized. The invention has the advantages of simple structure, convenient operation, convenient disassembly and assembly, good filtering effect, long service cycle, avoiding frequent replacement and the like, has the back cleaning function, and can be used for purifying and filtering treatment equipment of various models.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a front view of the first filter screen in example 1.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic coupling diagram of the coupling disk 8 of embodiment 2.
Fig. 5 is a schematic structural diagram of the 3-layer filter screen of example 2.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
In fig. 1,2 and 3, the elastic self-locking filter device of the present embodiment is formed by connecting an electric push rod 1, a gland 2, a thrust bearing 3, an upper support disc 4, a lower support disc 5, a housing 6, a lower connecting disc 7, an upper connecting disc 8, an outer filter screen 9 and an inner filter screen 10.
The geometry of the shell 6 in this embodiment is a cylinder, and may also be processed into a quadrangular prism, the lower part of the outer side of the shell 6 is welded and connected with an upper connecting disc 8, the lower part of the upper connecting disc 8 on the outer side of the shell 6 is welded and connected with 1 lower connecting disc 7, the upper connecting disc 8 and the lower connecting disc 7 are uniformly distributed and processed with filter screen mounting holes a in the same circumferential direction, and the filter screen mounting holes a on the upper connecting disc 8 and the filter screen mounting holes a on the lower connecting disc 7 are the same in number and staggered. The upper part of the inner wall of the shell 6 is welded and connected with a lower supporting disk 5, a central hole is processed at the central position of the lower supporting disk 5, filter screen mounting holes b are uniformly distributed and processed in the same circumferential direction of the lower supporting disk 5, and the number of the filter screen mounting holes b on the lower supporting disk 5 is the same as that of the filter screen mounting holes a on the upper connecting disk 8. The upper end of the shell 6 is fixedly provided with a gland 2 by a screw fastening connecting piece, the center position of the gland 2 is provided with a thrust bearing 3, the gland 2 is fixedly connected and provided with an electric push rod 1 by the screw fastening connecting piece, the electric push rod 1 is a commodity sold in the market, power is provided for the invention, the push rod of the electric push rod 1 passes through the thrust bearing 3, the lower end passes through a central hole of a lower supporting disc 5, the lower part of the push rod of the electric push rod 1 is fixedly connected and provided with 1 upper supporting disc 4 by screw threads, the upper supporting disc 4 is positioned right above the lower supporting disc 5, the same circumferential direction of the upper supporting disc 4 is uniformly provided with filter screen mounting holes b, the number of the filter screen mounting holes b on the upper supporting disc 4 is the same as that of the filter screen mounting holes b on the lower supporting disc 5, and the filter screen mounting holes b on the upper supporting disc 4 are staggered, and the number of the filter screen mounting holes a on the lower connecting disc 7 are the same. The push rod of the electric push rod 1 moves up and down to drive the upper supporting disc 4 to move up and down.
The inner filter screen 10 is arranged on the outer side of the shell 6, the geometric shape of the inner filter screen 10 is a strip-shaped structure, the number of the inner filter screen 10 is the same as that of the filter screen mounting holes b of the upper supporting disc 4 and the filter screen mounting holes a of the upper connecting disc 8, the upper end of each inner filter screen 10 is arranged in the filter screen mounting hole b of the lower supporting disc 5, and the lower end is arranged in the filter screen mounting hole a of the upper connecting disc 8. The two sides of the inner filter screen 10 outside the shell 6 are respectively provided with 1 outer filter screen 9, the geometric shape of the outer filter screen 9 is of a strip-shaped structure, the geometric shape of the outer filter screen 9 is the same as that of the inner filter screen 10, the number of the outer filter screens 9 is the same as that of the filter screen mounting holes b of the upper support disc 4 and the filter screen mounting holes a of the lower connecting disc 7, the upper end of the outer filter screen 9 is arranged in the filter screen mounting holes b of the upper support disc 4, the lower end of the outer filter screen 9 is arranged in the filter screen mounting holes a of the lower connecting disc 7, the number of the outer filter screens 9 is equal to that of the inner filter screen 10, and the outer filter screens 9 and the inner filter screen 10 are staggered, so that treated sewage is filtered by the inner filter screen 10 and the outer filter screen 9. According to the different sewage and sewage treatment amount, the number of the inner filter screen 10 and the outer filter screen 9 is selected, so that different purification degrees and different requirements of sewage filtration are realized. The operator operates the push rod of electric putter 1 to move down, drives and goes up supporting disk 4 downwardly moving, and with outer filter screen 9 tensioning down, electric putter 1's push rod upwards moves, drives and goes up supporting disk 4 upwards and moves, loosens outer filter screen 9, and electric putter 1 stops the motion, locks outer filter screen 9 in fixed position, realizes outer filter screen 9 elasticity self-locking. The treated sewage enters from the bottom end of the shell 6 and flows out through the inner filter screen 10 and the outer filter screen 9.
Example 2
Fig. 4 is a schematic diagram of the connection disc 8 in the present embodiment, and fig. 5 is a schematic diagram of the structure of the 3-layer filter screen in the present embodiment. In fig. 1,2,3,4 and 5,1 upper coupling disc 8 is welded and connected to the lower part of the outer side of the shell 6, 3 lower coupling discs 7 are welded and connected to the lower part of the upper coupling disc 8 on the outer side of the shell 6, the outer diameters of the 3 lower coupling discs 7 decrease from top to bottom, filter screen mounting holes a are uniformly distributed and processed on the lower coupling discs 7, and the filter screen mounting holes a on the 3 upper coupling discs 8 are the same in number as the filter screen mounting holes a on the lower coupling discs 7 and are staggered. The lower part of the push rod of the electric push rod 1 is fixedly connected with 3 upper support plates 4 through threads, the 3 upper support plates 4 are positioned right above the lower support plate 5, the outer diameters of the 3 upper support plates 4 are gradually increased from top to bottom, filter screen mounting holes b are uniformly distributed and processed in the circumferential direction of the 3 upper support plates 4, and the filter screen mounting holes b of the 3 upper support plates 4 are identical in number and staggered. An inner filter screen 10 is arranged outside the shell 6, the upper end of each inner filter screen 10 is arranged in a filter screen mounting hole b on the lower support disc 5, and the lower end is arranged in a filter screen mounting hole a on the upper connecting disc 8. Each of the two sides of each inner filter screen 10 outside the shell 6 is provided with 1 outer filter screen 9, the geometric shape of each outer filter screen 9 is a strip-shaped structure, the number of the outer filter screens 9 is the same as that of the filter screen mounting holes b of the upper support disc 4 and the filter screen mounting holes a of the lower connecting disc 7, the upper end of each outer filter screen 9 is arranged in the filter screen mounting holes b of the upper support disc 4, the lower end is arranged in the filter screen mounting holes a of the lower connecting disc 7, the number of the outer filter screens 9 is equal to that of the inner filter screens 10, and one outer filter screen 9 and one inner filter screen 10 are staggered to form a first layer of filter screen. The outer surface of the first layer of filter screen is provided with 2 layers of concentric filter screens formed by mutually overlapped outer filter screens 9, the upper ends of the outer filter screens 9 of the 2 layers are respectively arranged in the filter screen mounting holes b of the 2 upper support plates 4, and the lower ends of the outer filter screens 9 are respectively arranged in the filter screen mounting holes a of the 2 lower connecting plates 7. The water to be treated enters from the bottom end of the shell 6, passes through a first layer of filter screen formed by the inner filter screen 10 and the outer filter screen 9, and then flows out through the outer filter screen 9 of the layer 2.
The other components and the coupling relation of the components are the same as those in embodiment 1, and the working principle is the same as that in embodiment 1.
Example 3
In the embodiment, 1 upper coupling disc 8 is welded and connected to the lower portion of the outer side of the shell 6, 5 lower coupling discs 7 are welded and connected to the lower portion of the upper coupling disc 8 on the outer side of the shell 6, the outer diameters of the 5 lower coupling discs 7 decrease from top to bottom, filter screen mounting holes a are uniformly distributed and processed in the circumferential direction of the lower coupling discs 7, and the filter screen mounting holes a on the 5 upper coupling discs 8 are the same in number as the filter screen mounting holes a on the lower coupling discs 7 and are staggered. The lower part of the push rod of the electric push rod 1 is fixedly connected with 5 upper support plates 4 through threads, the 5 upper support plates 4 are positioned right above the lower support plate 5, the outer diameters of the 5 upper support plates 4 are gradually increased from top to bottom, filter screen mounting holes b are uniformly distributed and processed in the circumferential direction of the 5 upper support plates 4, and the filter screen mounting holes b of the 5 upper support plates 4 are identical in number and staggered. An inner filter screen 10 is arranged outside the shell 6, the upper end of the inner filter screen 10 is arranged in a filter screen mounting hole b on the lower supporting disk 5, and the lower end is arranged in a filter screen mounting hole a on the upper connecting disk 8. Each of the two sides of each inner filter screen 10 outside the shell 6 is provided with 1 outer filter screen 9, the geometric shape of the outer filter screen 9 is in a strip-shaped structure, the number of the outer filter screens 9 is the same as that of the inner filter screens 10, the number of the filter screen mounting holes b of the upper support disc 4 and the number of the filter screen mounting holes a of the lower connecting disc 7 are the same, the upper end of the outer filter screen 9 is arranged in the filter screen mounting holes b of the upper support disc 4, the lower end is arranged in the filter screen mounting holes a of the lower connecting disc 7, the number of the outer filter screens 9 is equal to that of record of the inner filter screen 10, and one outer filter screen 9 and one inner filter screen 10 are staggered to form a first layer of filter screen. The outer surface of the first layer of filter screen is provided with 4 layers of filter screens which are formed by mutually overlapped outer filter screens 9, the upper ends of the 4 layers of filter screens 9 are respectively arranged in the filter screen mounting holes b of the corresponding 4 upper support plates 4, and the lower ends of the 4 layers of filter screens are respectively arranged in the filter screen mounting holes a of the 4 lower connecting plates 7. The water to be treated enters from the bottom end of the shell 6, passes through a first layer of filter screen formed by the inner filter screen 10 and the outer filter screen 9, and then passes through the 4 layers of filter screen 9 to flow out.
The other components and the coupling relation of the components are the same as those in embodiment 1, and the working principle is the same as that in embodiment 1.
According to the principle, an elastic self-locking filter device with another specific structure can be designed, but the elastic self-locking filter device is within the protection scope of the invention.

Claims (1)

1. An elastic self-locking filtering device is characterized in that: an upper connecting disc (8) is arranged at the lower part of the outer wall of the shell (6), 1 lower connecting disc (7) is arranged below the upper connecting disc (8) of the outer wall of the shell (6), filter screen mounting holes a are uniformly distributed and processed in the same circumferential direction of the upper connecting disc (8) and the lower connecting disc (7), the filter screen mounting holes a on the upper connecting disc (8) are the same in number and are staggered, a lower supporting disc (5) is arranged at the upper part of the inner wall of the shell (6), a central hole is processed at the central position of the lower supporting disc (5), filter screen mounting holes b are uniformly distributed and processed in the same circumferential direction of the lower supporting disc (5), the number of the filter screen mounting holes b on the lower supporting disc (5) is the same as the number of the filter screen mounting holes a on the upper connecting disc (8), a gland (2) is arranged at the upper end of the shell (6), a thrust bearing (3) is arranged at the central position of the gland (2), an electric push rod (1) is arranged on the gland (2), the push rod of the electric push rod (1) penetrates through the thrust bearing (3), the lower end of the electric push rod (4) and penetrates through the central supporting disc (4) of the lower supporting disc (4) and is positioned right above the central supporting disc (4), the number of the filter screen mounting holes b on the upper supporting disk (4) is the same as that of the filter screen mounting holes b on the lower supporting disk (5) and are staggered, and the number of the filter screen mounting holes b on the upper supporting disk (4) is the same as that of the filter screen mounting holes a on the lower connecting disk (7);
the shell (6) is provided with an inner filter screen (10), the geometric shape of the inner filter screen (10) is of a strip-shaped structure, the number of pieces of the inner filter screen (10) is the same as the number of filter screen mounting holes b of the upper support disc (4) and the number of filter screen mounting holes a of the upper connection disc (8), the upper end of each piece of the inner filter screen (10) is arranged in the filter screen mounting holes b of the lower support disc (5), the lower end of each piece of the inner filter screen is arranged in the filter screen mounting holes a of the upper connection disc (8), 1 piece of outer filter screen (9) is respectively arranged on two sides of the inner filter screen (10) outside the shell (6), the geometric shape of the outer filter screen (9) is of a strip-shaped structure, the same as the geometric shape of the inner filter screen (10), the number of pieces of the outer filter screen (9) is the same as the number of the filter screen mounting holes b of the upper support disc (4) and the filter screen mounting holes a of the lower connection disc (7), the upper end of the outer filter screen (9) is arranged in the filter screen mounting holes b of the upper support disc (4), the lower end of each piece of the outer filter screen (9) is arranged in the filter screen mounting holes a of the lower connection disc (7), the number of pieces of the outer filter screen (9) is staggered with the pieces of the inner filter screen (10), and the pieces of the outer filter screen (10 are equal.
CN201910259732.5A 2019-04-02 2019-04-02 Elastic self-locking filter device Active CN109806647B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910259732.5A CN109806647B (en) 2019-04-02 2019-04-02 Elastic self-locking filter device

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Application Number Priority Date Filing Date Title
CN201910259732.5A CN109806647B (en) 2019-04-02 2019-04-02 Elastic self-locking filter device

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Publication Number Publication Date
CN109806647A CN109806647A (en) 2019-05-28
CN109806647B true CN109806647B (en) 2024-06-21

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209900833U (en) * 2019-04-02 2020-01-07 西北大学 Elastic self-locking filter device

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DE20314946U1 (en) * 2003-09-26 2003-12-11 Uni-Splendor Corp. Filter unit for coffee machine has housing divided into two compartments by horizontal silicone disk with central bore, through which coffee flows, filter fitting on disk in upper compartment
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KR100887022B1 (en) * 2007-05-21 2009-03-04 동 규 김 Air cleaning apparatus for ceiling
KR101581249B1 (en) * 2015-01-21 2015-12-31 (주)코스코산업 Bucket Type Strainer
CN106839094B (en) * 2017-01-04 2019-06-25 国家电网公司 Gas-filtering device
CN107096270A (en) * 2017-06-22 2017-08-29 成都尚智恒达科技有限公司 A kind of filter net type self-cleaning sewage filter device
CN107398110A (en) * 2017-09-01 2017-11-28 苏州百硕自动化环保设备有限公司 A kind of filter of automatically replaceable filter core

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