Laminated pre-filter structure capable of realizing various flushing

Abstract

The utility model discloses a laminated pre-filter structure capable of realizing various flushing. The laminated pre-filter structure comprises a knob, a stud, a waterway bushing, a connecting seat, a connecting rod, a plug, a first blocking piece, a first sealing ring, a second blocking piece, a water inlet and a water outlet, a waterway lining is sleeved with the lower shell, an upper shell is fixedly connected to the outer wall of one side of the lower shell, a rotary knob is sleeved with the outer wall of one side of the upper shell, a stud is fixedly connected to the outer wall of one side of the rotary knob, the other end of the stud is in threaded connection with a connecting base, and a first blocking piece is arranged on the outer wall of one side of the connecting base. A second blocking piece is arranged at the bottom end of the first blocking piece; according to the utility model, the water path switching structure is designed, the switching of forward and reverse washing water paths can be carried out through the control knob, the structure is simple, the use is simple and convenient, and the free switching among forward washing, forward and reverse mixed washing and complete back washing water paths can be realized, so that the washing effect is better, and the washing among a plurality of laminations is cleaner.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a laminated pre-filter structure for realizing multiple flushing. Background Art

[0002] The laminated filter is a highly efficient filtering device, and its core structure mainly includes a laminated filter unit and a supporting frame. It has the advantages of high filtering efficiency, long service life, and easy maintenance. When the existing laminated filter is backwashed, the controller needs to control the valve to change the direction of the water flow for reverse flushing. It is more complicated to use and only has a single backwashing structure. The flushing between multiple laminated plates is not clean enough, which affects the flushing effect. Utility Model Content

[0003] The utility model aims to provide a laminated pre-filter structure capable of realizing multiple flushing operations, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a laminated pre-filter structure for realizing multiple flushing, comprising a lower shell body, a water channel bushing is sleeved in the lower shell body, an upper shell body is fixedly connected to one side outer wall of the lower shell body, a knob is sleeved on one side outer wall of the upper shell body, a stud is fixedly connected to one side outer wall of the knob, the other end of the stud is threadedly connected to a connecting seat, a first blocking member is arranged on one side outer wall of the connecting seat, a second blocking member is arranged at the bottom end of the first blocking member, and the first blocking member and the second blocking member are both sleeved in the water channel bushing.

[0005] Preferably, a sewage outlet is provided on one side outer wall of the lower shell.

[0006] Preferably, a connecting rod is sleeved on one side outer wall of the second blocking member, a plug is threadedly connected on one side outer wall of the connecting rod, and the plug is arranged in the sewage outlet.

[0007] Preferably, a third sealing ring is sleeved on an outer wall of one side of the plug, and the third sealing ring is arranged in the sewage outlet.

[0008] Preferably, a first sealing ring is sleeved on one side outer wall of the first blocking member, and a second sealing ring is sleeved on one side outer wall of the second blocking member.

[0009] Preferably, a frame is provided on the inner wall of the lower shell, and the frame is sleeved on the connecting rod, and the laminated filter unit is fixedly connected to the frame.

[0010] Preferably, a mounting hole is provided on an outer wall of one side of the upper shell, and the knob is sleeved in the mounting hole. A fourth sealing ring is sleeved on an outer wall of one side of the knob, and the fourth sealing ring is arranged in the mounting hole.

[0011] Preferably, a water inlet is provided on one side outer wall of the upper shell, a water outlet is provided on the other side outer wall of the upper shell, and both the water inlet and the water outlet are conductively connected to the water channel bushing, and a valve joint is threadedly connected to the water outlet.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model is designed with a water circuit switching structure, and the forward and reverse flushing water circuits can be switched by a control knob. It has a simple structure and is easy to use. It can freely switch between forward flushing, forward and reverse mixed flushing and complete backwashing water circuits, so that the flushing effect is better and the flushing between multiple laminates is cleaner. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front view cutaway structure of the utility model in a normal filtering state;

[0016] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of the A area in the middle;

[0017] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of the middle B area;

[0018] Figure 5 for Figure 2 Schematic diagram of the enlarged structure of the middle C area;

[0019] Figure 6 It is a schematic diagram of the front view cutaway structure of the utility model in a fully backwashing state;

[0020] Figure 7 for Figure 6 Schematic diagram of the enlarged structure of the D region in the middle;

[0021] Figure 8 for Figure 6 Schematic diagram of the enlarged structure of the middle E region;

[0022] Fig. 9 It is a structural explosion diagram of the utility model.

[0023] In the figure: 1. lower shell; 2. upper shell; 3. knob; 4. stud; 5. water channel bushing; 6. connecting seat; 7. connecting rod; 8. plug; 9. first blocking member; 10. first sealing ring; 11. second blocking member; 12. second sealing ring; 13. frame; 14. laminated filter unit; 15. sewage outlet; 16. water inlet; 17. water outlet; 18. valve joint; 19. third sealing ring; 20. fourth sealing ring; 21. mounting hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0025] See also Figure 1-9The utility model provides an embodiment: a laminated pre-filter structure for realizing multiple flushing, comprising a lower shell 1, a waterway bushing 5 is sleeved in the lower shell 1, an upper shell 2 is fixedly connected to one side outer wall of the lower shell 1, a knob 3 is sleeved on one side outer wall of the upper shell 2, a stud 4 is fixedly connected to one side outer wall of the knob 3, the other end of the stud 4 is threadedly connected to a connecting seat 6, a first blocking member 9 is arranged on one side outer wall of the connecting seat 6, a second blocking member 11 is arranged at the bottom end of the first blocking member 9, and the first blocking member 9 and the second blocking member 11 are connected to each other. 11 are all sleeved in the waterway bushing 5; a sewage outlet 15 is provided on one side outer wall of the lower shell 1, and the sewage outlet 15 is used to discharge flushing sewage; a connecting rod 7 is sleeved on one side outer wall of the second blocking member 11, and a plug 8 is threadedly connected on one side outer wall of the connecting rod 7, and the plug 8 is arranged in the sewage outlet 15, and the connecting rod 7 and the plug 8 are used to block the sewage outlet 15; a third sealing ring 19 is sleeved on one side outer wall of the plug 8, and the third sealing ring 19 is arranged in the sewage outlet 15, and the third sealing ring 19 is used to seal and prevent leakage; a sleeve is provided on one side outer wall of the first blocking member 9 A first sealing ring 10 is connected, and a second sealing ring 12 is sleeved on the outer wall of one side of the second blocking member 11. The first sealing ring 10 and the second sealing ring 12 are used for sealing and leakproofing; a frame 13 is provided on the inner wall of the lower shell 1, and the frame 13 is sleeved on the connecting rod 7, and a laminated filter unit 14 is fixedly connected to the frame 13, and the frame 13 is used to install the laminated filter unit 14, and the laminated filter unit 14 is used to filter water; a mounting hole 21 is opened on the outer wall of one side of the upper shell 2, and the knob 3 is sleeved in the mounting hole 21, and a mounting hole 21 is provided on the outer wall of one side of the knob 3. There is a fourth sealing ring 20, and the fourth sealing ring 20 is arranged in the mounting hole 21, the mounting hole 21 is used to install the knob 3, and the fourth sealing ring 20 is used to seal and prevent leakage; a water inlet 16 is arranged on the outer wall of one side of the upper shell 2, and a water outlet 17 is arranged on the outer wall of the other side of the upper shell 2, and the water inlet 16 and the water outlet 17 are both connected to the waterway bushing 5, and a valve joint 18 is threadedly connected to the water outlet 17, the water inlet 16 is used for water intake, the water outlet 17 is used for drainage during normal filtration, and the valve joint 18 is used to close the water outlet 17 during flushing;

[0026] Working principle: When the utility model is used, water under normal filtration enters the water inlet 16, enters the laminated filter unit 14 through the water channel between the water channel bushing 5 and the inner wall of the lower shell 1 for filtration, and after filtration, rises through the water channel in the skeleton 13 to enter the water outlet 17, and is connected to the pipeline through the valve joint 18 for discharge. When backwashing is required, first close the valve joint 18, turn the knob 3 on the upper shell 2, the knob 3 drives the stud 4 to rotate, the stud 4 drives the connecting seat 6 to move upward through the threaded transmission, the first blocking member 9 on the connecting seat 6 moves upward, and the multiple laminated filter units 14 on the skeleton 13 have a certain elasticity. Under the action of the elasticity, the second blocking member 11 moves up accordingly, and the first blocking member 9 A water channel is vacated between the water channel bushing 5, and the second blocking member 11 is closed with the inner wall of the water channel bushing 5, and the water channel is changed to vacate the water channel from between the first blocking member 9 and the water channel bushing 5 to enter the inner channel of the skeleton 13, and reversely flush the laminated filter unit 14 from the inside to the outside. At the same time, the rising second blocking member 11 drives the connecting rod 7 and the plug 8 to rise, and the plug 8 leaves the sewage outlet 15. The reverse flushing water flow is discharged from the sewage outlet 15. The control knob 3 can be rotated to adjust the water channel to the middle position, so that positive and reverse mixed flushing can be achieved, thereby further improving the flushing effect; wherein the first sealing ring 10, the second sealing ring 12, the third sealing ring 19 and the fourth sealing ring 20 are used for sealing, and the mounting hole 21 is used for mounting the knob 3.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A laminated pre-filter structure for realizing multiple flushing, comprising a lower housing (1), characterized in that: The lower shell (1) is sleeved with a waterway bushing (5); an upper shell (2) is fixedly connected to one side outer wall of the lower shell (1); a knob (3) is sleeved on one side outer wall of the upper shell (2); a stud (4) is fixedly connected to one side outer wall of the knob (3); the other end of the stud (4) is threadedly connected to a connecting seat (6); a first blocking member (9) is provided on one side outer wall of the connecting seat (6); a second blocking member (11) is provided at the bottom end of the first blocking member (9); and both the first blocking member (9) and the second blocking member (11) are sleeved in the waterway bushing (5).

2. A laminated pre-filter structure for realizing multiple flushing according to claim 1, characterized in that: A sewage outlet (15) is provided on one side outer wall of the lower shell (1).

3. A laminated pre-filter structure for realizing multiple flushing according to claim 1, characterized in that: A connecting rod (7) is sleeved on one side outer wall of the second blocking member (11), a plug (8) is threadedly connected on one side outer wall of the connecting rod (7), and the plug (8) is arranged in the sewage outlet (15).

4. A laminated pre-filter structure for realizing multiple flushing according to claim 3, characterized in that: A third sealing ring (19) is sleeved on one side outer wall of the plug (8), and the third sealing ring (19) is arranged in the sewage outlet (15).

5. The laminated pre-filter structure for realizing multiple flushing according to claim 1, characterized in that: A first sealing ring (10) is sleeved on one side outer wall of the first blocking member (9), and a second sealing ring (12) is sleeved on one side outer wall of the second blocking member (11).

6. A laminated pre-filter structure for realizing multiple flushing according to claim 1, characterized in that: A frame (13) is provided on the inner wall of the lower shell (1), and the frame (13) is sleeved on the connecting rod (7), and a laminated filter unit (14) is fixedly connected to the frame (13).

7. A laminated pre-filter structure for realizing multiple flushing according to claim 1, characterized in that: A mounting hole (21) is provided on one side outer wall of the upper shell (2), and the knob (3) is sleeved in the mounting hole (21). A fourth sealing ring (20) is sleeved on one side outer wall of the knob (3), and the fourth sealing ring (20) is arranged in the mounting hole (21).

8. A laminated pre-filter structure for realizing multiple flushing according to claim 7, characterized in that: A water inlet (16) is provided on one side outer wall of the upper shell (2), and a water outlet (17) is provided on the other side outer wall of the upper shell (2), and the water inlet (16) and the water outlet (17) are both conductively connected to the waterway bushing (5), and a valve joint (18) is threadedly connected to the water outlet (17).

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