Water source filter for farmland drip irrigation

Abstract

The utility model discloses a water source filter for farmland drip irrigation, which comprises shells, filter cartridges inserted on the inner sides of the two shells, multilayer composite filter mechanisms arranged on the inner sides of the filter cartridges, a first fixing plate hinged to one end of a second fixing plate, and a top cover in threaded connection with the tops of the two shells, the two sets of shells are connected in parallel and can be used alternately or run simultaneously, the device can be conveniently and independently cleaned and maintained, continuity of water supply is guaranteed, impurities can be intercepted in a graded mode through the multi-layer composite filtering mechanism, the filter cartridge can be conveniently opened and closed through the arranged locking mechanism, and the filter cartridge is convenient to clean and maintain. The device is simple in structure and convenient to clean or replace a filter material, efficient and continuous filtration of a farmland drip irrigation water source is achieved through double-tank parallel filtration and modular filter cartridge design, meanwhile, maintenance is convenient and fast through a hinged opening and closing structure and a rapid disassembly and assembly design, and the device has filtration stability and operation convenience.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural drip irrigation technical field, concretely is a water source filter of farmland drip irrigation. BACKGROUND

[0002] Drip irrigation is a kind of slowly and uniformly drip into soil with the form of water drop to keep soil wet, and the use of water resource is high, and the part of soil wetted by drip irrigation can effectively reduce the evaporation, and since the water of drip irrigation is near the plant root, the growth of weed can be effectively prevented, and drip irrigation is to wet soil by the way of drip head, and since the opening of drip head is small, it is easy to cause blockage, so filter is used to filter water before use to prevent the blockage of drip head.

[0003] But the existing filter device is directly applied from industrial filter, and the cost is high, and the maintenance difficulty is big, and most are closed fixed structure, not applicable to the application of drip irrigation, and the screen is not convenient to disassemble and replace, so a water source filter for farmland drip irrigation is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a water source filter for farmland drip irrigation to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a water source filter for farmland drip irrigation, including the casing, the casing is provided with two groups, the inside of two groups the casing is inserted and placed with filter cartridge, the inside of filter cartridge is equipped with multilayer composite filter mechanism, the filter cartridge includes first fixed plate and second fixed plate, one end of first fixed plate is hinged with one end of second fixed plate, the other end of first fixed plate and second fixed plate is connected through the lock mechanism of convenient disassembly, the top of two groups the casing is equipped with cover plate, the top of two groups the cover plate is connected with first joint through water inlet pipe, the outer ring of two groups water inlet pipe is all equipped with the top cover of the casing screw connection, the side of two groups water inlet pipe is all installed with control valve, the bottom of two groups the casing is all screw connection with bottom cover, the bottom of two groups bottom cover is connected with second joint through water outlet pipe.

[0006] Preferably, the multilayer composite filter mechanism includes coarse filter layer, intermediate layer and fine filter layer, the coarse filter layer adopts stainless steel screen, the intermediate layer adopts high-precision fiber filter screen, and the fine filter layer adopts nanometer membrane filter layer.

[0007] Preferably, the locking mechanism comprises a locking seat, one end of the first fixed plate is provided with a first connecting plate, one side of the first connecting plate is provided with two groups of first grooves, one end of the second fixed plate is provided with a second connecting plate, one side of the second connecting plate is provided with two groups of second grooves in correspondence, the inner side of the two groups of first grooves is rotationally connected with a lead screw, one end of the two groups of lead screws is respectively threaded through the inner side of the two groups of second grooves and is threadedly connected with the locking seat, the two groups of locking seats are in abutment with the second connecting plate, and the two groups of locking seats are provided with hand wheels on one side.

[0008] Preferably, the inner walls of the first fixed plate and the second fixed plate are provided with three groups of clamping seats from top to bottom for clamping the stainless steel screen, the high-precision fiber filter screen and the nano membrane filter layer.

[0009] Preferably, the first fixed plate and the second fixed plate are provided with a notch at the position close to the end.

[0010] Preferably, the inner wall of the shell is provided with a limiting groove for inserting the filter cartridge.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The two groups of shells are connected in parallel through the first joint and the second joint, can be used alternately or run simultaneously, and are matched with the two groups of control valves, so that the device can be cleaned and maintained individually, the continuity of water supply is ensured, the filter cartridge is provided with multiple composite filtering mechanisms, can grade impurities, the first fixed plate and the second fixed plate are connected through the locking mechanism, the filter cartridge can be conveniently opened and closed, so that the filter material can be cleaned or replaced, the top cover and the bottom cover are connected through threads, can be quickly disassembled and assembled, the internal deposits can be cleaned, and then through the parallel filtering of the double tanks and the modular filter cartridge design, efficient and continuous filtering of farmland drip irrigation water source is realized, the hinged opening and closing structure and the quick disassembly and assembly design make the maintenance convenient, and the filtering stability and the operation convenience are combined. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic view of the whole structure of the utility model;

[0014] Figure 2 It is a bottom view of the utility model;

[0015] Figure 3 It is a side sectional view of the utility model;

[0016] Figure 4 It is a schematic view of the shell part structure;

[0017] Figure 5 It is a schematic view of the filter cartridge part structure;

[0018] Figure 6 is an enlarged view of A part in Figure 3

[0019] Figure 7 is an enlarged view of B part in Figure 5

[0020] In the figure: 1, shell, 2, limiting groove, 3, first fixed plate, 4, second fixed plate, 5, first connecting plate, 6, second connecting plate, 7, first recess, 8, second recess, 9, screw rod, 10, locking seat, 11, hand wheel, 12, clamping seat, 13, stainless steel screen, 14, high-precision fiber filter screen, 15, nanometer membrane filter layer, 16, cover plate, 17, water inlet pipe, 18, first joint, 19, top cover, 20, control valve, 21, bottom cover, 22, water outlet pipe, 23, second joint, 24, slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment one

[0023] Please refer to Figures 1-7 The utility model provides a farmland drip irrigation's water source filter, including shell 1, shell 1 is provided with two groups, the inside of two groups shell 1 is inserted and is placed with filter cartridge, the inside of filter cartridge is equipped with multilayer composite filter mechanism, filter cartridge includes first fixed plate 3 and second fixed plate 4, the one end of first fixed plate 3 is hinged with the one end of second fixed plate 4, and the other end of first fixed plate 3 and second fixed plate 4 is connected through the locking mechanism of convenient dismounting, the top of two groups shell 1 is equipped with cover plate 16, and the top of two groups cover plate 16 is connected with first joint 18 through water inlet pipe 17, and the outer ring of two groups water inlet pipe 17 is all equipped with top cover 19 with the screw connection of shell 1, and the side of two groups water inlet pipe 17 is all installed with control valve 20, and the bottom of two groups shell 1 is all screw connection with bottom cover 21, and the bottom of two groups bottom cover 21 is connected with second joint 23 through water outlet pipe 22.

[0024] ​​Specifically, the two sets of housings 1 are connected in parallel through the first joint 18 and the second joint 23, and can be used alternately or run simultaneously, and are matched with the two sets of control valves 20, so that the device can be cleaned and maintained individually, the continuity of water supply is ensured, the filter cartridge is provided with a multi-layer composite filtering mechanism, impurities can be intercepted in stages, the first fixed plate 3 and the second fixed plate 4 are connected through the locking mechanism, the filter cartridge can be conveniently opened and closed, so that the filter material can be cleaned or replaced, the top cover 19 and the bottom cover 21 are connected through threads, and the inside of the filter cartridge can be quickly disassembled and cleaned, and then through the parallel connection of the double tanks and the modular filter cartridge design, efficient and continuous filtration of the farmland drip irrigation water source is realized, and the hinged opening and closing structure and the quick disassembly design make the maintenance convenient, and the filtering stability and the operation convenience are combined.

[0025] The multi-layer composite filtering mechanism includes a coarse filter layer, an intermediate layer and a fine filter layer, the coarse filter layer is a stainless steel screen 13, the intermediate layer is a high-precision fiber filter screen 14, and the fine filter layer is a nano membrane filter layer 15, the stainless steel screen 13 can intercept large-particle impurities in the water source, and reduce the load of the intermediate layer and the fine filter layer, the high-precision fiber filter screen 14 can adsorb small suspended solids, colloidal particles and part of organic pollutants, and further purify the water body, and the nano membrane filter layer 15 can realize superfine filtration through physical screening and surface charge adsorption double action, and finally ensure that the outlet water is pure, and the drip irrigation head is prevented from being blocked, and then through the three-stage cooperative filtration, efficient, energy-saving and long-acting drip irrigation water source purification can be realized.

[0026] The locking mechanism comprises a locking seat 10, one end of the first fixed plate 3 is provided with a first connecting plate 5, one side of the first connecting plate 5 is provided with two groups of first grooves 7, one end of the second fixed plate 4 is provided with a second connecting plate 6, one side of the second connecting plate 6 is provided with two groups of second grooves 8 in correspondence, the inner side of the two groups of first grooves 7 is rotatably connected with a lead screw 9, one end of the two groups of lead screws 9 respectively penetrates through the inner side of the two groups of second grooves 8 and is threadedly connected with the locking seat 10, the two groups of locking seats 10 are in abutment with the second connecting plate 6, one side of the two groups of locking seats 10 is provided with a hand wheel 11, the inner wall of the first fixed plate 3 and the second fixed plate 4 is provided with three groups of clamping seats 12 from top to bottom for clamping the stainless steel screen 13, the high-precision fiber filter screen 14 and the nanometer membrane filter layer 15, when the hand wheel 11 is rotated, the hand wheel 11 can drive the locking seat 10 to move on the lead screw 9, since the locking seat 10 is in abutment with the second connecting plate 6, with the movement of the locking seat 10, an axial tension is generated to tightly pull together the first connecting plate 5 and the second connecting plate 6, so as to firmly connect the first fixed plate 3 and the second fixed plate 4, guaranteeing the structural stability of the filter cartridge in the filtering process and preventing water leakage, through reverse operation, the opening of the first fixed plate 3 and the second fixed plate 4 can be completed, through the three groups of clamping seats 12, the stainless steel screen 13, the high-precision fiber filter screen 14 and the nanometer membrane filter layer 15 can be clamped in the clamping seat 12, and further through the setting, the filtering effect is guaranteed, and the multi-layer composite filtering mechanism can be conveniently installed and maintained.

[0027] The first fixed plate 3 and the second fixed plate 4 are provided with a notch 24 near the end, through the notch 24, the installation operation of the filter cartridge can be facilitated.

[0028] The inner wall of the shell 1 is provided with a limiting groove 2 for inserting the filter cartridge, through the limiting groove 2, the filter cartridge can be positioned and limited.

[0029] Working principle: first, the water source from the first joint 18 into, through the inlet pipe 17 into two groups of shell 1, water flow through the filter cartridge in the multilayer composite filter mechanism, in turn to remove large particles of silt, organic impurities and small suspended solids, filtered water from the outlet pipe 22 through the second joint 23 output to the drip irrigation system, when the device needs to be cleaned and maintained, close to the control valve 20 of the shell 1 needs to be maintained, suspend water, unscrew the top cover 19, lift the cover plate 16, take out the filter cartridge, then use the hand wheel 11, according to the counterclockwise direction of rotation locking seat 10, make the locking seat 10 on the lead screw 9 to move away from the second connecting plate 6 direction, gradually loose the first connecting plate 5 and the second connecting plate 6 between the connection, when the locking seat 10 moves to a certain position, no longer to the second connecting plate 6 generated by the greater tension, the lead screw 9 from the second recess 8, open the first fixed plate 3 and the second fixed plate 4, take out the stainless steel screen 13, high precision fiber filter screen 14 and nanometer membrane filter layer 15 from the cartridge 12 and clean or replace, after cleaning or replacing the filter layer, according to the installation process reverse operation, the components are reinstalled back to the original position, back to the filter cartridge, tighten the top cover 19, and then complete the whole operation process.

[0030] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A water source filter for farmland drip irrigation, comprising a housing (1), characterized in that: The housing (1) is provided in two sets, and filter cartridges are inserted into the inner side of both sets of housings (1). The inner side of the filter cartridges is provided with a multi-layer composite filtration mechanism. The filter cartridges include a first fixing plate (3) and a second fixing plate (4). One end of the first fixing plate (3) is hinged to one end of the second fixing plate (4). The other ends of the first fixing plate (3) and the second fixing plate (4) are connected by a locking mechanism that is easy to install and disassemble. The top of both sets of housings (1) is provided with a cover plate (1). 6) The top of both sets of cover plates (16) is connected to the first connector (18) through water inlet pipe (17). The outer ring of both sets of water inlet pipes (17) is fitted with a top cover (19) that is threaded to the housing (1). A control valve (20) is installed on one side of both sets of water inlet pipes (17). The bottom of both sets of housings (1) is threaded with a bottom cover (21). The bottom of both sets of bottom covers (21) is connected to the second connector (23) through water outlet pipe (22).

2. A water source filter for farmland drip irrigation according to claim 1, characterized in that: The multi-layer composite filtration mechanism includes a coarse filter layer, an intermediate layer and a fine filter layer. The coarse filter layer uses a stainless steel screen (13), the intermediate layer uses a high-precision fiber screen (14), and the fine filter layer uses a nano-membrane filter layer (15).

3. A water source filter for farmland drip irrigation according to claim 2, characterized in that: The locking mechanism includes a locking seat (10). One end of the first fixing plate (3) is provided with a first connecting plate (5). Two sets of first grooves (7) are provided on one side of the first connecting plate (5). One end of the second fixing plate (4) is provided with a second connecting plate (6). Two sets of second grooves (8) are provided on one side of the second connecting plate (6). A lead screw (9) is rotatably connected to the inner side of each of the two sets of first grooves (7). One end of each of the two sets of lead screws (9) passes through the inner side of each of the two sets of second grooves (8) and is threadedly connected to the locking seat (10). Both sets of locking seats (10) abut against the second connecting plate (6). A handwheel (11) is installed on one side of each of the two sets of locking seats (10).

4. A water source filter for farmland drip irrigation according to claim 3, characterized in that: The inner walls of the first fixing plate (3) and the second fixing plate (4) are provided with three sets of card holders (12) from top to bottom to facilitate the placement of the stainless steel screen (13), high-precision fiber filter (14) and nano-membrane filter layer (15).

5. A water source filter for farmland drip irrigation according to claim 4, characterized in that: Both the first fixing plate (3) and the second fixing plate (4) have grooves (24) near their ends.

6. A water source filter for farmland drip irrigation according to claim 1, characterized in that: The inner wall of the housing (1) is provided with a limiting groove (2) to facilitate the insertion of the filter cartridge.

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