Pre-filter with self-rotating scraping and washing functions

Abstract

The utility model relates to the technical field of filters, in particular to a self-rotating scraping and washing pre-filter, which comprises a joint, a storage structure and a filtering device, and the two sides of the lower end of a first shell in the joint are hollow to form a first water inlet and a first water outlet; the lower ends of the first water inlet and the first water outlet are connected with a water inlet pipeline and a drainage pipeline in a storage structure through bolts, the upper end of the interior of a second shell in the storage structure is connected with a water inlet groove in a filtering device through bolts, and the lower end of the water inlet groove is connected with a second connector through bolts; water in the water inlet tank can be discharged through a water outlet, a first sliding block can be movably connected with a first sliding groove, a first connecting rod can be connected with the first sliding groove and a cleaning structure, the outer side of a filter screen is cleaned through the cleaning structure, and a second connecting ring can be connected with a second sliding groove through a second connecting rod; the second sliding groove can be connected with the connecting plate through the third connecting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a self-rotating scraping pre-filter. Background Art

[0002] A filter is an indispensable device on a medium conveying pipeline. It is usually installed at the inlet end of equipment such as a pressure reducing valve, a pressure relief valve, and a water level valve to filter out solid impurities in the fluid.

[0003] However, when existing filters are filtering, the internal filter screen will accumulate the filtered dirt. If it is not cleaned in time, it will easily cause the water quality to deteriorate and affect human health.

[0004] Therefore, in order to solve the above problems, a self-rotating scraping pre-filter is proposed. Utility Model Content

[0005] The purpose of the present utility model is to provide a self-rotating scraping pre-filter to solve the problem in the prior art mentioned in the above background technology that the internal filter screen of the existing filter will accumulate filtered dirt during filtering, and if it is not cleaned in time, it will easily cause the water quality to deteriorate and affect human health.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a self-rotating scraping pre-filter, comprising: a joint, a storage structure and a filtering device, the lower end of the first shell in the joint is hollow on both sides to form a first water inlet and a first water outlet, the lower ends of the first water inlet and the first water outlet are bolted to the water inlet pipe and the drainage pipe in the storing structure, the upper end of the inner part of the second shell in the storing structure is bolted to the water inlet groove in the filtering device, the lower end of the water inlet groove is bolted to the second connecting port, a first slider is welded to the outside of the second connecting port, the outer side of the first slider is movably connected to the first slide groove, the outer side of the first slide groove is bolted to the first connecting rod, the lower end of the first connecting rod is bolted to the first connecting ring, and the first connecting ring and the inner side of the second connecting ring are bolted to the cleaning structure.

[0007] Preferably, the first shell in the joint is hollow inside, first connection ports are welded on both sides of the first shell, a baffle is welded inside the first shell, and the lower end of the first shell is hollow inside to form a first water inlet and a first water outlet.

[0008] Preferably, the water inlet pipe and the drainage pipe are connected to both sides of the upper end of the second shell in the storage structure with bolts, the upper end of the interior of the second shell is hollow to form a second water inlet, and the lower end of the second shell is connected to the bearing with bolts.

[0009] Preferably, the upper end of the filter mesh in the filter device is connected to the second connection port with bolts, the upper end of the second connection port is connected to the water inlet trough with bolts, one side of the water inlet trough is hollow to form a drain outlet, a first slider is welded to the outside of the second connection port, and the outside of the first slider is movably connected to the first slide groove.

[0010] Preferably, a first connecting rod is welded to the outside of the first slide groove, the lower end of the first connecting rod is connected to the first connecting ring with bolts, the lower end of the first connecting ring is connected to the cleaning structure with bolts, the lower end of the cleaning structure is connected to the second connecting ring with bolts, the outer side of the second connecting ring is connected to the second connecting rod with bolts, and the lower end of the second connecting rod is welded to the outside of the second slide groove.

[0011] Preferably, the second slider is movably connected to the hollow inside the second slide groove, the lower end of the second slide groove is connected to the third connecting rod with bolts, the lower end of the third connecting rod is connected to the upper end of the connecting plate with bolts, the lower end of the connecting plate is connected to the upper end of the first connecting column with bolts, and the first mud-blocking pad is inserted into the outer side of the lower end of the first connecting column.

[0012] Preferably, the lower end of the first connecting column is connected to the upper end of the bearing with bolts, the lower end of the bearing is connected to the second connecting column with bolts, the second mud-blocking pad is inserted into the outer side of the upper end of the second connecting column, and the lower end of the second connecting column is connected to the rotating handle with bolts.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is provided with a first shell, a first connecting port, a baffle, a first water inlet, a first water outlet, a storage structure, a second shell, a water inlet pipe, a drainage pipe, a second water inlet and a bearing. The baffle can be used to separate water, water can be injected into the second shell through the first water inlet, and water can be discharged through the first water outlet. The first shell and the second shell can be connected through the water inlet pipe and the drainage pipe, and the cleaning structure can be driven to rotate through the bearing.

[0015] 2. The utility model is provided with a filter screen, a second connecting port, a water inlet trough, a drain outlet, a first slider, a first slide, a first connecting rod, a first connecting ring, a cleaning structure, a second connecting ring, a second connecting rod, a second slide, a second slider, a third connecting rod, a connecting plate, a first connecting column, a first mud blocking pad, a second mud blocking pad, a second connecting column and a rotating handle through the filter screen to filter water through the water inlet trough to allow water to be discharged from the filter screen through the water inlet trough through the drain outlet. The first slider can be movably connected to the first slide, the first connecting rod can be connected to the first slide and the cleaning structure through the cleaning structure to clean the outer side of the filter screen, the second connecting rod can make the second connecting ring connected to the second slide, the third connecting rod can be connected to the second slide and the connecting plate, the first mud blocking pad can be used to block water in the second shell, and the second mud blocking pad can be used to further block water in the second shell, and the bearing can be rotated by rotating the handle so that the bearing drives the connecting plate connected to the upper end to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of a three-dimensional cross-section of the structure of the utility model;

[0018] Figure 3 It is a schematic diagram of a three-dimensional cross-section of the structure of the utility model;

[0019] Figure 4 It is a schematic diagram of a three-dimensional cross-section of the storage structure of the utility model;

[0020] Figure 5 It is a schematic diagram of a three-dimensional cross-section of the storage structure of the utility model;

[0021] Figure 6 It is a schematic structural perspective view of the filtering device of the present invention.

[0022] In the figure: 1. Connector; 101. First housing; 102. First connection port; 103. Baffle; 104. First water inlet; 105. First water outlet; 2. Storage structure; 201. Second housing; 202. Water inlet pipe; 203. Drain pipe; 204. Second water inlet; 205. Bearing; 3. Filter device; 301. Filter screen; 302. Second connection port; 303. Water inlet trough; 304. Drain outlet; 305 , first slider; 306, first slide; 307, first connecting rod; 308, first connecting ring; 309, cleaning structure; 310, second connecting ring; 311, second connecting rod; 312, second slide; 313, second slider; 314, third connecting rod; 315, connecting plate; 316, first connecting column; 317, first mud blocking pad; 318, second mud blocking pad; 319, second connecting column; 320, rotating handle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-6 , an embodiment provided by the utility model:

[0025] A self-rotating scraping pre-filter comprises: a joint 1, a storage structure 2 and a filtering device 3. The lower end of the first shell 101 in the joint 1 is hollowed on both sides to form a first water inlet 104 and a first water outlet 105. The lower ends of the first water inlet 104 and the first water outlet 105 are bolted to the water inlet pipe 202 and the drainage pipe 203 in the storage structure 2. The upper end of the inner part of the second shell 201 in the storage structure 2 is bolted to the water inlet groove 303 in the filtering device 3. The lower end of the water inlet groove 303 is bolted to the second connecting port 302. A first slider 305 is welded to the outside of the second connecting port 302. The outer side of the first slider 305 is movably connected to the first slide groove 306. The outer side of the first slide groove 306 is bolted to a first connecting rod 307. The lower end of the first connecting rod 307 is bolted to a first connecting ring 308. The inner sides of the first connecting ring 308 and the second connecting ring 310 are bolted to a cleaning structure 309.

[0026] Furthermore, the interior of the first shell 101 in the joint 1 is hollow, the first connecting ports 102 are welded on both sides of the first shell 101, the baffle 103 is welded inside the first shell 101, and the lower end of the interior of the first shell 101 is hollow into a first water inlet 104 and a first water outlet 105. The baffle 103 is used to separate the water, the first water inlet 104 is used to inject water into the second shell 201, and the first water outlet 105 is used to discharge water.

[0027] Furthermore, the water inlet pipe 202 and the drainage pipe 203 are connected to each other with bolts on both sides of the upper end of the second shell 201 in the storage structure 2. The upper end of the interior of the second shell 201 is hollowed to form a second water inlet 204. The lower end of the second shell 201 is connected to the bearing 205 with bolts. The water inlet pipe 202 and the drainage pipe 203 are used to connect the first shell 101 and the second shell 201, and the bearing 205 is used to drive the cleaning structure 309 to rotate.

[0028] Furthermore, the upper end of the filter screen 301 in the filter device 3 is connected to the second connecting port 302 with bolts, and the upper end of the second connecting port 302 is connected to the water inlet trough 303 with bolts. One side of the water inlet trough 303 is hollow to form a drain outlet 304. The first slider 305 is welded to the outside of the second connecting port 302, and the outside of the first slider 305 is movably connected to the first chute 306. The filter screen 301 filters water, the water inlet trough 303 is used to allow water to be discharged from the filter screen 301, and the drain outlet 304 is used to discharge the water inside the water inlet trough 303. The first slider 305 is used to be movably connected to the first chute 306.

[0029] Furthermore, a first connecting rod 307 is welded to the outside of the first slide 306, and the lower end of the first connecting rod 307 is connected to the first connecting ring 308 with bolts, and the lower end of the first connecting ring 308 is connected to the cleaning structure 309 with bolts, and the lower end of the cleaning structure 309 is connected to the second connecting ring 310 with bolts, and the outer side of the second connecting ring 310 is connected to the second connecting rod 311 with bolts, and the lower end of the second connecting rod 311 is welded to the outside of the second slide 312. The first connecting rod 307 is used to connect with the first slide 306 and the cleaning structure 309, and the cleaning structure 309 is used to clean the outside of the filter net 301. The second connecting rod 311 is used to connect the second connecting ring 310 with the second slide 312.

[0030] Furthermore, the second slider 313 is movably connected to the hollow part inside the second slide groove 312, the lower end of the second slide groove 312 is bolted to the third connecting rod 314, the lower end of the third connecting rod 314 is bolted to the upper end of the connecting plate 315, the lower end of the connecting plate 315 is bolted to the upper end of the first connecting column 316, the outer side of the lower end of the first connecting column 316 is inserted into the first mud blocking pad 317, the third connecting rod 314 is used to connect the second slide groove 312 with the connecting plate 315, and the first mud blocking pad 317 is used to block the water inside the second shell 201.

[0031] Furthermore, the lower end of the first connecting column 316 is connected to the upper end of the bearing 205 with bolts, the lower end of the bearing 205 is connected to the second connecting column 319 with bolts, the outer side of the upper end of the second connecting column 319 is inserted into the second mud blocking pad 318, and the lower end of the second connecting column 319 is connected to the rotating handle 320 with bolts. The second mud blocking pad 318 is used to further block the water inside the second shell 201, and the rotating handle 320 is used to rotate the bearing 205 so that the bearing 205 drives the connecting plate 315 connected to the upper end to rotate.

[0032] Working principle: When in use, first connect the first connection port 102 to the required pipe, and then inject water into the first shell 101. The water enters the second shell 201 through the first water inlet 104 and is filtered by the filter 301. The overflowing water is discharged into the drainage pipe 203 through the drain port 304. The water inside the drainage pipe 203 can be discharged through the first connection port 102 on the side of the first shell 101. When the filter 301 needs to be cleaned, first rotate the rotating handle 320 so that the rotating handle 320 drives the connecting plate 315 connected to the upper end. The connecting plate 315 rotates the second connecting rod 311 connected to the second slide groove 312 through the third connecting rod 314. The second connecting rod 311 rotates the cleaning structure 309 through the second connecting ring 310, so that the cleaning structure 309 cleans the outside of the filter 301.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A self-rotating scraping pre-filter, comprising: A joint (1), a receiving structure (2) and a filtering device (3), characterized in that: the lower end of the first shell (101) in the joint (1) is hollowed on both sides to form a first water inlet (104) and a first water outlet (105); the lower ends of the first water inlet (104) and the first water outlet (105) are connected to the water inlet pipe (202) and the drainage pipe (203) in the receiving structure (2) by bolts; and the upper end of the interior of the second shell (201) in the receiving structure (2) is connected to the water inlet tank (303) in the filtering device (3) by bolts. The lower end of the water inlet trough (303) is connected to the second connecting port (302) by bolts, the outer side of the second connecting port (302) is welded with a first slider (305), the outer side of the first slider (305) is movably connected to the first chute (306), the outer side of the first chute (306) is connected to the first connecting rod (307) by bolts, the lower end of the first connecting rod (307) is connected to the first connecting ring (308) by bolts, and the inner sides of the first connecting ring (308) and the second connecting ring (310) are connected to the cleaning structure (309) by bolts.

2. The self-rotating scraping pre-filter according to claim 1, characterized in that: The first shell (101) in the joint (1) is hollow inside, first connection ports (102) are welded on both sides of the first shell (101), a baffle (103) is welded inside the first shell (101), and the lower end of the first shell (101) is hollow inside to form a first water inlet (104) and a first water outlet (105).

3. The self-rotating scraping pre-filter according to claim 1, characterized in that: The water inlet pipe (202) and the drainage pipe (203) are connected to each other by bolts on both sides of the upper end of the second shell (201) in the storage structure (2); the upper end of the interior of the second shell (201) is hollowed to form a second water inlet (204); and the lower end of the second shell (201) is connected to a bearing (205) by bolts.

4. The self-rotating scraping pre-filter according to claim 1, characterized in that: The upper end of the filter screen (301) in the filter device (3) is connected to the second connection port (302) by bolts, and the upper end of the second connection port (302) is connected to the water inlet trough (303) by bolts. One side of the water inlet trough (303) is hollowed to form a drain outlet (304). A first slider (305) is welded to the outer side of the second connection port (302), and the outer side of the first slider (305) is movably connected to the first slide groove (306).

5. The self-rotating scraping pre-filter according to claim 4, characterized in that: A first connecting rod (307) is welded to the outside of the first chute (306), the lower end of the first connecting rod (307) is connected to the first connecting ring (308) by bolts, the lower end of the first connecting ring (308) is connected to the cleaning structure (309) by bolts, the lower end of the cleaning structure (309) is connected to the second connecting ring (310) by bolts, the outer side of the second connecting ring (310) is connected to the second connecting rod (311) by bolts, and the lower end of the second connecting rod (311) is welded to the outer side of the second chute (312).

6. The self-rotating scraping pre-filter according to claim 5, characterized in that: The second sliding groove (312) is movably connected to the second sliding block (313) in the hollow inside. The lower end of the second sliding groove (312) is connected to the third connecting rod (314) by bolts. The lower end of the third connecting rod (314) is connected to the upper end of the connecting plate (315) by bolts. The lower end of the connecting plate (315) is connected to the upper end of the first connecting column (316) by bolts. The outer side of the lower end of the first connecting column (316) is sleeved with a first mud-blocking pad (317).

7. The self-rotating scraping pre-filter according to claim 6, characterized in that: The lower end of the first connecting column (316) is connected to the upper end of the bearing (205) by means of bolts, the lower end of the bearing (205) is connected to the second connecting column (319) by means of bolts, the outer side of the upper end of the second connecting column (319) is sleeved with a second mud-blocking pad (318), and the lower end of the second connecting column (319) is connected to the rotating handle (320) by means of bolts.

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