CN221831791U - Backwash filter and filter element device - Google Patents

Abstract

The utility model discloses a backwashing filter and a filter element device, comprising a filter element, in which a plurality of filter screens distributed at equal intervals are movably fastened and installed through a first fastening assembly; a backwashing assembly is arranged at the bottom of the filter element; the backwashing assembly comprises a sewage discharge channel opened on the inner wall of the bottom of the filter element and a sewage discharge pipe fixed on the filter element and connected with the sewage discharge channel; the rightmost end of the sewage discharge channel is located at the bottom front side of the filter screen installed at the rightmost end; the number of the first fastening assemblies is set to be multiple, and the first fastening assemblies are arranged at equal angles and circles on the outer periphery of the filter screen. The utility model relates to the technical field of filters. The backwashing filter and the filter element device solve the problem that the installation of the filter element and the cylinder of the existing backwashing filter is mostly bolted, and a plurality of bolts need to be disassembled and installed during processing, installation, disassembly and maintenance, which is not convenient for disassembly, replacement and maintenance of the filter element at a later stage.

Description

Backwash filter and filter element device

Technical Field

The utility model relates to the technical field of filters, in particular to a backwashing filter and a filter element device.

Background Art

The existing central pre-filter only filters coarse particles such as mud, sand and rust, and does not change the water quality; the existing terminal water purification equipment has a small flow rate and cannot meet the whole house water purification filtration flow requirements; first, it cannot be backwashed during use, the probability of clogging of the entire filter will increase and its service life will be reduced. The filter material usually used is a single filter material that can only perform one form of filtration, and the water flow state of the entire filter is relatively monotonous, and water cannot usually be passed when the filter equipment is blocked.

In order to solve the above problems, patent CN202321619879.9 discloses a backwash filter, which can clear the dirt accumulated in the sewage pipe to avoid blockage affecting the sewage discharge of the backwash filter.

However, the existing backwash filter has the following disadvantages: the installation of the filter element and the cylinder of the existing backwash filter is mostly bolted, and multiple bolts need to be disassembled during assembly and installation and disassembly and maintenance, which is not convenient for later disassembly, replacement and maintenance of the filter element. For this reason, we propose a backwash filter and filter element device.

Utility Model Content

In view of the deficiencies in the prior art, the utility model provides a backwash filter and a filter element device, which solves the problem that the filter element and the cylinder of the existing backwash filter are mostly installed by bolts, and multiple bolts need to be disassembled and installed during processing, installation, and disassembly and maintenance, which is inconvenient for the subsequent disassembly, replacement and maintenance of the filter element.

To achieve the above objectives, the utility model is implemented through the following technical solutions: a filter element device, comprising a filter element, wherein a plurality of filter screens distributed at equal intervals are movably mounted in the filter element through a first clamping assembly;

A backwashing component is provided at the bottom of the filter element;

The backwashing assembly includes a drainage channel opened on the inner wall of the bottom of the filter element and a drainage pipe fixed on the filter element and connected to the drainage channel;

The rightmost end of the sewage channel is located at the bottom front side of the filter screen installed at the rightmost end.

Preferably, the number of the first clamping components is set to multiple, the first clamping components are arranged in an equiangular circle on the outer peripheral side of the filter net, the first clamping component includes a first clamping groove opened on the inner wall of the filter element and a first clamping block fixed on the outer periphery of the filter net, and the first clamping block is movably clamped in the first clamping groove.

A backwash filter device uses a filter element device, including a cylinder, and both ends of the cylinder are respectively fixedly mounted with a liquid inlet pipe and a liquid outlet pipe through flange plates;

The two ends of the filter element are respectively connected with the liquid inlet pipe and the liquid outlet pipe;

An inner cylinder is fixedly installed inside the cylinder, and the filter element is movably clamped and installed inside the inner cylinder through a second clamping assembly;

The inner cylinder is provided with a buffer assembly for buffering shaking after the filter element is installed.

Preferably, the number of the second clamping components is set to multiple, and the second clamping components are distributed at equal angles on the outer circumference of the filter element. The second clamping components include a second clamping groove opened on the inner wall of the inner cylinder and a second clamping block fixed on the outer circumference of the filter element, and the second clamping block is movably clamped in the second clamping groove.

Preferably, the number of the buffer components is set to multiple, and the buffer components are distributed at equal angles on the outer periphery of the filter element. The buffer component includes a damping groove body fixed on the inner cylinder body, a damping block is movably clamped in the damping groove body, a locking bolt is threaded on the damping groove body, one end of the locking bolt is rotatably connected to the damping block through a bearing, and one end of the damping block is connected to an arc plate that is embedded and clamped on the outer periphery of the filter element through a connecting rod.

Preferably, a controller for controlling the electrical components of the device is installed on the cylinder.

Beneficial Effects

The utility model provides a backwash filter and filter element device. Compared with the prior art, it has the following beneficial effects:

1. A backwash filter and filter element device, wherein an inner cylinder is installed in the cylinder, a filter element is installed in the inner cylinder through a second clamping assembly, a filter net is installed in the filter element through a first clamping assembly, a backwashing assembly is installed on the filter element, and the backwashing assembly includes a sewage channel, a sewage pipe, etc. When the filter net is blocked in the straight-through mode of the filter element for a long time, water is fed into the liquid outlet pipe to backwash the inside of the filter element, so that the filter net can be backwashed to flush the filter net and discharge sewage, and the sewage flows into the sewage pipe through the sewage channel and is discharged to the outside, and the filter net and the filter element are installed by the movable clamping method of the second clamping assembly, which is convenient and efficient for later disassembly and assembly, and is conducive to removing and maintaining the internal filter assembly.

2. A backwash filter and filter element device, a buffer assembly is also installed on the inner cylinder, the buffer assembly includes a damping groove body, a damping block, etc. After the filter element is installed in the inner cylinder body through the second clamping assembly, the water flow will impact the filter element, and the damping block is driven to slide in the damping groove body by rotating the locking bolt, and the arc plate is driven to engage and clamp on the side of the filter element to lock and fix the filter element, which can further improve the fixing effect of the filter element installation and utilize the damping friction energy consumption of the damping block and the damping groove body to absorb the energy generated by the shaking of the inner cylinder, which can reduce the shaking degree of the inner cylinder under the impact of water flow when in use, thereby reducing the impact on the clamping assembly, avoiding loosening, and improving the stability of the inner cylinder after installation.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic diagram of the overall structure of the utility model;

Figure 3 is a schematic diagram of the installation structure of the filter element of the utility model;

FIG4 is a schematic diagram of a partially enlarged structure of FIG3 of the present invention.

In the figure: 1. cylinder; 2. liquid inlet pipe; 3. liquid outlet pipe; 4. inner cylinder; 5. filter element; 6. filter screen; 7. backwashing assembly; 71. sewage channel; 72. sewage pipe; 8. first clamping assembly; 81. first clamping slot; 82. first clamping block; 9. second clamping assembly; 91. second clamping slot; 92. second clamping block; 10. buffer assembly; 101. damping slot; 102. damping block; 103. locking bolt; 104. arc plate; 11. controller.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-4, the utility model provides two technical solutions:

Example

A filter element device comprises a filter element 5, wherein a plurality of filter screens 6 distributed at equal intervals are movably mounted in the filter element 5 through a first clamping assembly 8;

A backwashing assembly 7 is provided at the bottom of the filter element 5;

The backwash assembly 7 includes a drainage channel 71 provided on the inner wall of the bottom of the filter element 5 and a drainage pipe 72 fixed on the filter element 5 and connected to the drainage channel 71;

The rightmost end of the drainage channel 71 is located at the bottom front side of the filter screen 6 installed at the rightmost end.

The number of the first clamping components 8 is set to be multiple, and the first clamping components 8 are arranged at equal angles and circumferences on the outer periphery of the filter screen 6. The first clamping component 8 includes a first clamping groove 81 opened on the inner wall of the filter element 5 and a first clamping block 82 fixed on the outer periphery of the filter screen 6. The first clamping block 82 is movably clamped in the first clamping groove 81. By movably clamping the first clamping block 82 in the first clamping groove 81, the installation of the filter screen 6 in the filter element 5 can be quickly completed, and the disassembly and assembly are convenient;

A backwash filter device uses a filter element device, including a cylinder 1, and a liquid inlet pipe 2 and a liquid outlet pipe 3 are fixedly installed at both ends of the cylinder 1 through flange plates;

The two ends of the filter element 5 are respectively connected with the liquid inlet pipe 2 and the liquid outlet pipe 3;

The inner cylinder 4 is fixedly installed inside the cylinder 1, and the filter element 5 is movably mounted inside the inner cylinder 4 through the second clamping assembly 9;

A buffer assembly 10 is installed on the inner cylinder 4 to buffer the shaking of the filter element 5 after installation.

Example

The main difference from the first embodiment is:

A backwash filter and filter element device, the number of second clamping components 9 is set to be multiple, the second clamping components 9 are equiangularly distributed on the outer periphery of the filter element 5, the second clamping component 9 includes a second clamping groove 91 provided on the inner wall of the inner cylinder 4 and a second clamping block 92 fixed on the outer periphery of the filter element 5, the second clamping block 92 is movably clamped inside the second clamping groove 91, and the installation of the filter element 5 in the inner cylinder 4 can be quickly completed by movably clamping the second clamping block 92 inside the second clamping groove 91, and the disassembly and assembly are convenient; the number of buffer components 10 is set to be multiple, the buffer components 10 are equiangularly distributed on the outer periphery of the filter element 5, the buffer component 10 includes a damping groove body 101 fixed on the inner cylinder 4, a damping block 102 is movably clamped in the damping groove body 101, a locking bolt 103 is threadedly connected to the damping groove body 101, and one end of the locking bolt 103 is connected to the damping block 102 through a bearing. Rotational connection, one end of the damping block 102 is connected to an arc plate 104 that is engaged and clamped on the outer periphery of the filter element 5 through a connecting rod. After the filter element 5 is movably clamped and installed in the inner cylinder 4 through the second clamping assembly 9, the water flow will impact the filter element 5. The damping block 102 is driven to slide in the damping groove 101 by rotating the locking bolt 103, and the arc plate 104 is driven to be engaged and clamped on the side of the filter element 5 to lock and fix the filter element 5. The fixing effect of the installation of the filter element 5 can be further improved, and the energy generated by the shaking of the inner cylinder 4 can be absorbed by the damping friction energy consumption of the damping block 102 and the damping groove 101, which can reduce the degree of shaking of the inner cylinder 4 caused by the impact of water flow when in use, thereby reducing the impact on the clamping assembly and avoiding loosening. A controller 11 for controlling the electrical components of the device is installed on the cylinder 1, which is convenient for automatic control of the electrical components and improves the degree of automation.

When the backwash filter and filter element device are in use, water enters the filter element 5 through the liquid inlet pipe 2, is repeatedly filtered through the filter screen 6 in the filter element 5, and is discharged outwardly through the liquid outlet pipe 3. The inner cylinder 4 is installed in the cylinder body 1, and the filter element 5 is installed in the inner cylinder 4 through the second clamping component 9 movably clamped and installed, and the filter screen 6 is installed in the filter element 5 through the first clamping component 8 movably clamped and installed. A backwashing component 7 is installed on the filter element 5. The backwashing component 7 includes a sewage channel 71, a sewage pipe 72, etc. When the filter screen 6 is blocked in the straight-through mode of the filter element 5 for a long time, water is fed in through the liquid outlet pipe 3 to backwash the inside of the filter element 5, so that the filter screen 6 can be backwashed to achieve the effect of flushing and discharging sewage. The sewage flows into the sewage pipe 72 through the sewage channel 71 and is discharged outwardly, and also passes through the first clamping component 8. The filter screen 6 and the filter element 5 are installed in an active clamping manner of the second clamping assembly 9, which is convenient and efficient for later disassembly and assembly, and is conducive to taking out and maintaining the internal filter components; in addition, a buffer assembly 10 is also installed on the inner cylinder 4, and the buffer assembly 10 includes a damping groove body 101, a damping block 102, etc. After the filter element 5 is installed in the inner cylinder 4 through the active clamping of the second clamping assembly 9, the water flow will impact the filter element 5, and the damping block 102 is driven to slide in the damping groove body 101 by rotating the locking bolt 103, and the arc plate 104 is engaged and clamped on the side of the filter element 5 to lock and fix the filter element 5, which can further improve the fixing effect of the installation of the filter element 5 and utilize the damping friction energy consumption of the damping block 102 and the damping groove body 101 to absorb the energy generated by the shaking of the inner cylinder 4, which can reduce the shaking degree of the inner cylinder 4 under the impact of water flow when in use, thereby reducing the impact on the clamping assembly, avoiding loosening, and improving the stability of the inner cylinder 4 after installation.

Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A filter element device, comprising a filter element (5), characterized in that: a plurality of filter screens (6) distributed at equal intervals are movably mounted in the filter element (5) via a first clamping assembly (8); A backwashing component (7) is provided at the bottom of the filter element (5); The backwashing assembly (7) comprises a drainage channel (71) provided on the inner wall of the bottom of the filter element (5) and a drainage pipe (72) fixed on the filter element (5) and connected to the drainage channel (71); The rightmost end of the sewage channel (71) is located at the bottom front side of the filter screen (6) installed at the rightmost end. 2. A filter element device according to claim 1, characterized in that: the number of the first clamping components (8) is set to be multiple, the first clamping components (8) are arranged at equal angles on the outer peripheral side of the filter screen (6), the first clamping components (8) include a first clamping groove (81) opened on the inner wall of the filter element (5) and a first clamping block (82) fixed on the outer periphery of the filter screen (6), and the first clamping block (82) is movably clamped in the first clamping groove (81). 3. A backwash filter device, using the filter element device according to any one of claims 1-2, characterized in that: it comprises a cylinder (1), and a liquid inlet pipe (2) and a liquid outlet pipe (3) are fixedly mounted on both ends of the cylinder (1) through flange plates; The two ends of the filter element (5) are respectively connected to the liquid inlet pipe (2) and the liquid outlet pipe (3); An inner cylinder (4) is fixedly mounted inside the cylinder (1), and the filter element (5) is movably mounted inside the inner cylinder (4) by means of a second clamping assembly (9); The inner cylinder (4) is provided with a buffer assembly (10) for buffering shaking after the filter element (5) is installed. 4. A backwash filter device according to claim 3, characterized in that: the number of the second clamping components (9) is set to be multiple, the second clamping components (9) are equiangularly distributed on the outer periphery of the filter element (5), the second clamping components (9) include a second clamping groove (91) opened on the inner wall of the inner cylinder (4) and a second clamping block (92) fixed on the outer periphery of the filter element (5), and the second clamping block (92) is movably clamped in the second clamping groove (91). 5. A backwash filter device according to claim 3, characterized in that: the number of the buffer components (10) is set to be multiple, and the buffer components (10) are distributed at equal angles on the outer periphery of the filter element (5), and the buffer component (10) comprises a damping groove body (101) fixed on the inner cylinder (4), a damping block (102) is movably clamped in the damping groove body (101), a locking bolt (103) is threadedly connected to the damping groove body (101), one end of the locking bolt (103) is rotatably connected to the damping block (102) through a bearing, and one end of the damping block (102) is connected to an arc plate (104) engaged and clamped on the outer periphery of the filter element (5) through a connecting rod. 6. A backwash filter device according to claim 3, characterized in that a controller (11) for controlling the electrical components of the device is installed on the cylinder (1).