Dirt skimming device and pool

Abstract

The utility model discloses a skimming device and a water pool, and aims to overcome the defects that when the water pool is connected with the skimming device, an opening needs to be formed in the side wall of the water pool, and operation is tedious. The sewage skimming device comprises a sewage skimming device body and a connecting piece matched with the sewage skimming device body, the connecting piece is detachably connected with the upper portion of a water pool, a collecting cavity is arranged in the sewage skimming device body, a filter screen is installed in the collecting cavity, a water inlet is formed in the upper portion of the sewage skimming device body, and a water outlet is formed in the lower portion of the sewage skimming device body. When the sewage skimming device is installed, an opening does not need to be formed in the side wall of a pool, and installation and disassembly are easy and convenient.

Description

Technical Field

[0001] This utility model relates to the field of water tank technology, and more specifically, to a skimmer and a water tank. Background Technology

[0002] Currently, ground-mounted water tanks are widely used due to their low cost and ease of installation. To facilitate the cleaning of floating debris in the water tanks, many water tanks are equipped with skimmers. However, when installing commonly used skimmers, the connector on the skimmer needs to pass through the side wall of the water tank, thus requiring an opening in the side wall of the water tank for installation, which is cumbersome. Utility Model Content

[0003] To overcome the above shortcomings, this utility model provides a skimmer and a pool. The skimmer does not require an opening in the side wall of the pool during installation, and is simple and convenient to install and disassemble.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a skimmer, including a skimmer body, a matching connector for the skimmer body, the connector being detachably connected to the upper part of the water tank, a collection chamber provided inside the skimmer body, a filter screen installed inside the collection chamber, a water inlet provided at the upper part of the skimmer body, and a water outlet provided at the lower part of the skimmer body.

[0005] The skimmer can be detachably connected to the upper part of the pool via a matching connector. No opening is needed in the pool's side wall when connecting the skimmer, making installation and disassembly simple and convenient. During use, floating debris from the upper part of the pool enters the collection chamber through the inlet, is filtered by the filter screen, and then discharged outwards through the outlet. The filtered debris remains on the filter screen; regular cleaning of the filter screen is necessary to prevent clogging.

[0006] The skimmer in this patent application does not require an opening in the side wall of the pool during installation, and is simple and convenient to install and remove.

[0007] Preferably, the connector includes a wall mount with a hook that is attached to the upper edge of the sink.

[0008] Using a wall mount as the connector, during installation, simply hang the hook on the wall mount onto the upper edge of the sink; connection and disassembly are convenient.

[0009] Preferably, the skimmer body is provided with an insertion slot corresponding to the wall mount, the wall mount is provided with a sliding part, the sliding part is movably inserted into the insertion slot, and a locking element is connected between the insertion slot and the sliding part.

[0010] During wall-mounted installation, the height of the skimmer body is adjusted by moving the sliding part up and down to match the water inlet on the skimmer body with the water level in the pool. After the sliding part and the insertion slot slide into place, the locking mechanism locks them in place, ensuring a stable and reliable installation of the skimmer.

[0011] In another embodiment, the connector includes a magnetic block and a magnetic plate that attract each other. The magnetic block and the magnetic plate are placed on the inner and outer sides of the side wall of the pool, respectively, and the magnetic block is set on the body of the skimmer.

[0012] The magnetic block and magnetic plate attract and hold the skimmer to the inner and outer sides of the pool wall using magnetic attraction, thus achieving the installation and positioning of the skimmer. This connection method makes assembly and disassembly convenient.

[0013] Preferably, a baffle that flips towards the collection chamber is installed at the inlet of the skimmer body, and the lower part of the baffle is rotatably mounted on the skimmer body.

[0014] The baffle is positioned at the water inlet and can only be rotated inwards, not outwards, to prevent floating debris in the collection chamber from flowing into the pool water.

[0015] Preferably, the edge of the filter extends upward to form a retaining ring, which is positioned close to the inner wall of the collection chamber.

[0016] A retaining ring is set around the edge of the filter screen to accommodate the filtered floating objects and to make it easy to remove the filter screen to clean the floating objects.

[0017] Preferably, the upper edge of the retaining ring is provided with an outwardly protruding flange, and a support surface is provided on the inner wall of the collecting cavity, with the flange supported on the support surface.

[0018] The flange supports the filter screen on the support surface, ensuring stable installation.

[0019] Preferably, a filter element is installed inside the collection chamber, and the filter element is positioned below the filter screen.

[0020] The filter cartridge further filters the water flow, improving the filtration effect.

[0021] Preferably, a water passage hole is provided in the middle of the filter element, and a water inlet cavity is formed between the outer wall of the filter element and the inner wall of the collection chamber. A positioning sleeve is provided on the filter screen, and an installation sleeve communicating with the water outlet is provided at the bottom of the collection chamber. The positioning sleeve and the installation sleeve are respectively installed at the upper and lower ends of the water passage hole.

[0022] The positioning sleeve and mounting sleeve are installed at the upper and lower ends of the water inlet, respectively, which plays a good role in positioning the filter element. After being filtered by the filter screen, the water flows into the inlet chamber, then into the water inlet after being filtered by the filter element, and flows outward from the outlet.

[0023] A water tank has a skimmer installed near the top of the tank. A connector connects the skimmer to the water tank. A water outlet pipe is installed on the water tank, and the water outlet on the skimmer is connected to the water outlet pipe.

[0024] The skimmer is installed at the top of the pool. Floating debris flows into the collection chamber from the inlet along with the water flow. After being filtered by the skimmer, it is discharged out through the outlet and the outlet pipe.

[0025] Compared with the prior art, the beneficial effects of this utility model are: (1) The skimmer of this patent application does not require an opening on the side wall of the pool during installation, and the installation and disassembly are simple and convenient; (2) The wall mount is used as a connector, and during installation, the hook on the wall mount is simply hung on the upper edge of the pool, making connection and disassembly convenient; (3) The installation and positioning of the skimmer is achieved by magnetic attraction, making assembly and disassembly operations convenient; (4) A retaining ring is set on the edge of the filter screen to facilitate the containment of the filtered floating matter, and at the same time, it is convenient to remove the filter screen outward to clean the floating matter; (5) The filter screen and filter element are installed in the collection chamber, and the filtration effect is improved after two filtrations. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the water tank structure of this utility model.

[0027] Figure 2 This is a structural diagram of the skimmer of Embodiment 1 of this utility model.

[0028] Figure 3 This is a cross-sectional view of the skimmer of Embodiment 1 of this utility model.

[0029] Figure 4 This is a structural diagram of the skimmer of Embodiment 2 of this utility model.

[0030] Figure 5 This is a cross-sectional view of the skimmer in Embodiment 2 of this utility model.

[0031] In the diagram: 1. Skimmer body; 2. Connector; 3. Water tank; 4. Collection chamber; 5. Filter screen; 6. Inlet; 7. Outlet; 8. Wall mount; 9. Hook; 10. Insert slot; 11. Connecting part; 12. Sliding part; 13. Locking part; 14. Baffle; 15. Raised strip; 16. Raised ring; 17. Raised rib; 18. Baffle ring; 19. Flange; 20. Support surface; 21. Filter element; 22. Water passage hole; 23. 24. Water inlet chamber, 25. Positioning sleeve, 26. Installation sleeve, 27. Positioning groove, 28. Upper positioning protrusion ring, 29. Lower positioning protrusion ring, 30. Lifting handle, 31. Top cover, 32. Sinking groove, 33. Lifting protrusion, 34. Water inlet section, 35. Filter section, 36. Water outlet section, 37. Extension pipe, 38. Inner tank, 39. Side pipe, 40. Foot pipe, 41. Magnetic block, 42. Magnetic plate, 43. Permanent magnet block, 44. Handle. Detailed Implementation

[0032] The technical solution of this utility model will be further described in detail below through specific embodiments and with reference to the accompanying drawings:

[0033] Example 1: A skimmer (see Figure 2 , Figure 3 The device includes a skimmer body 1, which is located near the edge of the pool 3. The skimmer body 1 is equipped with a connector 2, which is detachably connected to the upper part of the pool 3. The skimmer body 1 has a collection chamber 4 inside, and a filter screen 5 is installed inside the collection chamber 4. The filter screen 5 has a plate-like structure. The upper part of the skimmer body 1 has a water inlet 6, and the lower part of the skimmer body 1 has a water outlet 7. Both the water inlet 6 and the water outlet 7 are connected to the collection chamber 4.

[0034] The connector 2 includes a wall mount 8, which has a "J"-shaped structure. A hook 9 is provided on the wall mount 8, and the hook 9 is hung on the upper edge of the sink 3. The skimmer body 1 has an insertion slot 10 corresponding to the wall mount 8. A connecting part 11 is provided on the outer wall of the skimmer body 1, and the insertion slot 10 is located on the connecting part 11. A sliding part 12 is provided on the wall mount 8, and the sliding part 12 is movably inserted into the insertion slot 10. A locking element 13 connects the insertion slot 10 and the sliding part 12. The locking element 13 is a locking screw, which is threaded onto the connecting part 11. The end of the locking screw abuts against the outer wall of the sliding part 12 of the wall mount 8 to achieve locking and positioning. Using the wall mount 8 as the connector 2, during installation, the hook 9 on the wall mount 8 is simply hung on the upper edge of the sink 3, making connection and disassembly convenient.

[0035] During installation of the wall mount 8, the position and height of the skimmer body 1 are adjusted by moving the sliding part 12 up and down, so that the water inlet 6 on the skimmer body 1 matches the height of the water surface in the pool 3. After the sliding part 12 and the insertion slot 10 slide into place, the locking part 13 locks them in place, ensuring the smooth and reliable installation of the skimmer.

[0036] A baffle 14, which flips towards the collection chamber 4, is installed at the inlet 6 of the skimmer body 1. The baffle 14 covers the inlet 6, and its lower part is rotatably mounted on the skimmer body 1, while its upper part is limited to the inside of the inlet 6. Rotating shafts are provided on both the left and right sides of the lower part of the baffle 14, and these shafts are rotatably mounted on the skimmer body 1. An elastic component connects the baffle 14 and the skimmer body 1, enabling the baffle to automatically reset. In this embodiment, the elastic component is a torsion spring, which is fitted onto the rotating shaft, with its two ends abutting against the baffle 14 and the skimmer body 1, respectively. An upwardly protruding ridge 15 is provided on the upper edge of the baffle 14, and this ridge 15 abuts against the inner wall of the collection chamber 4 to limit the movement of the baffle 14. A raised ring 16 is provided on the inner edge of the baffle 14, with the ridge 15 positioned on the end face of the raised ring 16. Water channels are provided on both the left and right sides of the lower part of the baffle 14. A raised rib 17 is provided around the water inlet 6 on the outer wall of the skimmer body 1.

[0037] The filter screen 5 extends upwards from its edge to form a retaining ring 18, thus creating a trough-like structure. The retaining ring 18 is positioned close to the inner wall of the collection chamber 4. A flange 19 protrudes outwards from the upper edge of the retaining ring 18. A support surface 20 is provided on the inner wall of the collection chamber 4, and the flange 19 rests on the support surface 20. The retaining ring 18 around the edge of the filter screen 5 facilitates the containment of filtered floating debris and allows for easy removal of the filter screen 5 for cleaning. The flange 19, supported by the support surface 20, ensures stable installation of the filter screen 5, and its height is lower than that of the inlet 6.

[0038] A filter element 21 is installed inside the collection chamber 4, positioned below the filter screen 5. A water passage hole 22 is provided in the middle of the filter element 21, forming an inlet chamber 23 between the outer wall of the filter element 21 and the inner wall of the collection chamber 4. A positioning sleeve 24 is provided on the filter screen 5, and an installation sleeve 25 communicating with the outlet 7 is provided at the bottom of the collection chamber 4. The positioning sleeve 24 and the installation sleeve 25 are respectively installed at the upper and lower ends of the water passage hole 22. The outer walls of both the positioning sleeve 24 and the installation sleeve 25 have tapered surfaces for easy insertion into the water passage hole 22. Positioning grooves 26 are provided on both the upper and lower end faces of the filter element 21. An upper positioning protrusion ring 27 is provided on the lower surface of the filter screen 5, and a lower positioning protrusion ring 28 is provided at the bottom of the collection chamber 4. The upper and lower positioning protrusion rings 27 and 28 are respectively fitted and inserted into the positioning grooves 26 on the upper and lower end faces of the filter element 21. A T-shaped handle 29 is provided in the middle of the upper surface of the filter screen 5, allowing the filter screen 5 to be easily removed upwards.

[0039] The upper end of the skimmer body 1 is detachably connected to a top cover 30, which covers the collection chamber 4. A recessed groove 31 is provided around the inner edge of the upper surface of the skimmer body 1, and the edge of the top cover 30 is supported on the bottom surface of the recessed groove 31. A lifting protrusion 32 is provided on the edge of the top cover 30 for easy opening. The skimmer body 1 includes an inlet section 33, a filter section 34, and an outlet section 35. Both the inlet section 33 and the outlet section 35 are rectangular. The filter section 34 gradually narrows from top to bottom, and the outline of the inlet section 33 is larger than that of the outlet section 35. The filter screen 5 is installed on the upper part of the filter section 34, and the filter element 21 is installed in the filter section 34. The inlet 6 is located in the inlet section 33, and the connector 2 is connected to the inlet section 33. The outlet 7 is located in the outlet section 35, and an extension pipe 36 is provided at the outlet 7, extending outward from the outer wall of the outlet section 35.

[0040] The skimmer is detachably connected to the upper part of the water tank 3 via the matching connector 2. When connecting the skimmer to the water tank 3, no opening is required in the side wall of the water tank 3, making installation and disassembly simple and convenient. During use, floating debris from the upper part of the water tank 3 enters the collection chamber 4 through the inlet 6. After being filtered by the filter screen 5 and filter element 21, the water flows outward from the outlet 7. The filtered floating debris remains on the filter screen 5; the filter screen 5 should be cleaned regularly to prevent clogging.

[0041] A type of pool (see) Figure 1 A skimmer is installed near the top of the water tank 3. Connector 2 connects the skimmer to the water tank 3. A water outlet pipe is installed on the water tank 3, and the outlet 7 of the skimmer is connected to the outlet pipe. An extension pipe 36 extending outward from the outlet 7 on the skimmer is sealed to the water outlet pipe on the water tank 3 for easy drainage. Often, to achieve water circulation, the water flowing from the outlet pipe will flow back into the water tank 3. In this case, the outlet pipe is connected to the water inlet pipe on the water tank 3, and a water pump needs to be installed on the connected pipe to provide power.

[0042] The water tank 3 includes a support frame and an inner tank 37. The inner tank 37 is installed inside the support frame, which provides support. The water in the water tank is filled in the inner tank 37. The support frame includes a ring of side pipes 38 and several foot pipes 39. The foot pipes 39 support the side pipes 38. The side pipes 38 are located on the upper edge of the water tank 3. The hooks 9 on the wall mount 8 are hung on the side pipes 38. During installation, the height of the skimmer body 1 is adjusted. After reaching the appropriate position, the locking part 13 is tightened to achieve positioning.

[0043] The skimmer is installed at the top of the water tank 3. Floating debris flows into the collection chamber 4 from the inlet 6 along with the water flow. After being filtered by the skimmer, it is discharged directly out of the outlet 7 or the outlet pipe or flows back into the water tank 3. The collection chamber 4 is equipped with a filter screen 5 and a filter element 21, which improves the filtration effect through two filtrations.

[0044] Example 2: A skimmer (see Figure 4 , Figure 5 The device includes a skimmer body 1, which is located near the edge of the pool 3. The skimmer body 1 is equipped with a connector 2, which is detachably connected to the upper part of the pool 3. The skimmer body 1 has a collection chamber 4 inside, and a filter screen 5 is installed inside the collection chamber 4. The filter screen 5 has a plate-like structure. The upper part of the skimmer body 1 has a water inlet 6, and the lower part of the skimmer body 1 has a water outlet 7. Both the water inlet 6 and the water outlet 7 are connected to the collection chamber 4.

[0045] The connector 2 includes a magnetic block 40 and a magnetic plate 41 that attract each other. The magnetic block 40 and the magnetic plate 41 are respectively placed on the inner and outer sides of the side wall of the water tank 3, and the magnetic block 40 is mounted on the skimmer body 1. Both the magnetic block 40 and the magnetic plate 41 contain permanent magnets 42. The opposing surfaces of the two permanent magnets 42 have opposite magnetic properties, thus generating an attractive force between them. A handle 43 is provided on the magnetic plate 41. The handle 43 has a U-shaped structure, and both ends of the handle 43 are integrally formed with the magnetic plate 41. The magnetic block 40 and the magnetic plate 41 are attracted to each other and clamped on the inner and outer sides of the side wall of the water tank 3 by magnetic attraction, thereby achieving the installation and positioning of the skimmer. During installation, first adjust the installation position to a suitable height. Then, place the magnetic block 40 of the skimmer against the inner wall of the water tank 3. Next, place the magnetic plate 41 against the outer wall of the water tank 3, corresponding to the magnetic block 40. The magnetic block 40 and magnetic plate 41, being of opposite polarities, attract each other, thus firmly clamping the magnetic block 40 and magnetic plate 41 onto the inner and outer sides of the side wall of the water tank 3, thereby achieving the installation and positioning of the skimmer. The installation height of the skimmer can be infinitely adjusted to any position before fixing, offering flexibility and convenience.

[0046] A baffle 14, which flips towards the collection chamber 4, is installed at the inlet 6 of the skimmer body 1. The baffle 14 covers the inlet 6, and its lower part is rotatably mounted on the skimmer body 1, while its upper part is limited to the inside of the inlet 6. Rotating shafts are provided on both the left and right sides of the lower part of the baffle 14, and these shafts are rotatably mounted on the skimmer body 1. An elastic component connects the baffle 14 and the skimmer body 1, enabling the baffle to automatically reset. In this embodiment, the elastic component is a torsion spring, which is fitted onto the rotating shaft, with its two ends abutting against the baffle 14 and the skimmer body 1, respectively. An upwardly protruding ridge 15 is provided on the upper edge of the baffle 14, and this ridge 15 abuts against the inner wall of the collection chamber 4 to limit the movement of the baffle 14. A raised ring 16 is provided on the inner edge of the baffle 14, with the ridge 15 positioned on the end face of the raised ring 16. Water channels are provided on both the left and right sides of the lower part of the baffle 14. A raised rib 17 is provided around the water inlet 6 on the outer wall of the skimmer body 1.

[0047] The filter screen 5 extends upwards from its edge to form a retaining ring 18, thus creating a trough-like structure. The retaining ring 18 is positioned close to the inner wall of the collection chamber 4. A flange 19 protrudes outwards from the upper edge of the retaining ring 18. A support surface 20 is provided on the inner wall of the collection chamber 4, and the flange 19 rests on the support surface 20. The retaining ring 18 around the edge of the filter screen 5 facilitates the containment of filtered floating debris and allows for easy removal of the filter screen 5 for cleaning. The flange 19, supported by the support surface 20, ensures stable installation of the filter screen 5, and its height is lower than that of the inlet 6.

[0048] A filter element 21 is installed inside the collection chamber 4, positioned below the filter screen 5. A water passage hole 22 is provided in the middle of the filter element 21, forming an inlet chamber 23 between the outer wall of the filter element 21 and the inner wall of the collection chamber 4. A positioning sleeve 24 is provided on the filter screen 5, and an installation sleeve 25 communicating with the outlet 7 is provided at the bottom of the collection chamber 4. The positioning sleeve 24 and the installation sleeve 25 are respectively installed at the upper and lower ends of the water passage hole 22. The outer walls of both the positioning sleeve 24 and the installation sleeve 25 have tapered surfaces for easy insertion into the water passage hole 22. Positioning grooves 26 are provided on both the upper and lower end faces of the filter element 21. An upper positioning protrusion ring 27 is provided on the lower surface of the filter screen 5, and a lower positioning protrusion ring 28 is provided at the bottom of the collection chamber 4. The upper and lower positioning protrusion rings 27 and 28 are respectively fitted and inserted into the positioning grooves 26 on the upper and lower end faces of the filter element 21. A T-shaped handle 29 is provided in the middle of the upper surface of the filter screen 5, allowing the filter screen 5 to be easily removed upwards.

[0049] The upper end of the skimmer body 1 is detachably connected to a top cover 30, which covers the collection chamber 4. A recessed groove 31 is provided around the inner edge of the upper surface of the skimmer body 1, and the edge of the top cover 30 is supported on the bottom surface of the recessed groove 31. A lifting protrusion 32 is provided on the edge of the top cover 30 for easy opening. The skimmer body 1 includes an inlet section 33, a filter section 34, and an outlet section 35. Both the inlet section 33 and the outlet section 35 are rectangular. The filter section 34 gradually narrows from top to bottom, and the outline of the inlet section 33 is larger than that of the outlet section 35. The filter screen 5 is installed on the upper part of the filter section 34, and the filter element 21 is installed in the filter section 34. The inlet 6 is located in the inlet section 33, and the connector 2 is connected to the inlet section 33. The outlet 7 is located in the outlet section 35, and an extension pipe 36 is provided at the outlet 7, extending outward from the outer wall of the outlet section 35.

[0050] The skimmer is detachably connected to the upper part of the water tank 3 via the matching connector 2. When connecting the skimmer to the water tank 3, no opening is required in the side wall of the water tank 3, making installation and disassembly simple and convenient. During use, floating debris from the upper part of the water tank 3 enters the collection chamber 4 through the inlet 6. After being filtered by the filter screen 5 and filter element 21, the water flows outward from the outlet 7. The filtered floating debris remains on the filter screen 5; the filter screen 5 should be cleaned regularly to prevent clogging.

[0051] A type of pool (see) Figure 1A skimmer is installed near the top of the water tank 3. Connector 2 connects the skimmer to the water tank 3. A water outlet pipe is installed on the water tank 3, and the outlet 7 of the skimmer is connected to the outlet pipe. An extension pipe 36 extending outward from the outlet 7 on the skimmer is sealed to the water outlet pipe on the water tank 3 for easy drainage. Often, to achieve water circulation, the water flowing from the outlet pipe will flow back into the water tank 3. In this case, the outlet pipe is connected to the water inlet pipe on the water tank 3, and a water pump needs to be installed on the connected pipe to provide power.

[0052] The water tank 3 includes a support frame and an inner tank 37. The inner tank 37 is installed inside the support frame, which provides support. The water in the water tank is filled in the inner tank 37. The support frame includes a ring of side tubes 38 and several foot tubes 39. The foot tubes 39 support the side tubes 38. The side tubes 38 are located on the upper edge of the water tank 3. During installation, the height of the skimmer body 1 is adjusted to a suitable position. The magnetic block 40 and the magnetic plate 41 attract each other, so that the magnetic block 40 and the magnetic plate 41 are firmly clamped on the inner and outer sides of the side wall of the water tank 3, thereby achieving the installation and positioning of the skimmer.

[0053] The skimmer is installed at the top of the water tank 3. Floating debris flows into the collection chamber 4 from the inlet 6 along with the water flow. After being filtered by the skimmer, it is discharged directly out of the outlet 7 or the outlet pipe or flows back into the water tank 3. The collection chamber 4 is equipped with a filter screen 5 and a filter element 21, which improves the filtration effect through two filtrations.

[0054] The embodiments described above are merely preferred solutions of this utility model and are not intended to limit this utility model in any way. Other variations and modifications are possible without departing from the technical solutions described in the claims.

Claims

1. A skimmer characterized by, The skimmer includes a skimmer body, a connecting piece matched with the skimmer body, the connecting piece is detachably connected with the upper part of the sink, the skimmer body is internally provided with a collecting cavity, a filter screen is installed in the collecting cavity, a water inlet is arranged on the upper part of the skimmer body, and a water outlet is arranged on the lower part of the skimmer body.

2. A skimmer according to claim 1, wherein, The connecting piece includes a wall hanging seat, a hook is arranged on the wall hanging seat, and the hook is hung on the upper edge of the sink.

3. A skimmer according to claim 2, wherein, A plug-in slot corresponding to the wall hanging seat is arranged on the skimmer body, a sliding part is arranged on the wall hanging seat, the sliding part is movably and plug-in connected with the plug-in slot, and a locking piece is connected between the plug-in slot and the sliding part.

4. A skimmer according to claim 1, wherein, The connecting piece includes magnetic attraction pieces and a magnetic attraction plate which are attracted to each other, the magnetic attraction pieces and the magnetic attraction plate are respectively arranged on the inner and outer sides of the side wall of the sink, and the magnetic attraction pieces are arranged on the skimmer body.

5. A skimmer according to claim 1, wherein, A door which is turned to the collecting cavity is installed at the water inlet of the skimmer body, and the lower part of the door is rotatably installed on the skimmer body.

6. A skimmer according to any one of claims 1 to 5, characterised in that, The edge of the filter screen is upwardly extended to form a retaining ring, and the retaining ring is arranged close to the inner wall of the collecting cavity.

7. A skimmer according to claim 6, characterised in that An outwardly protruding flange is arranged on the upper edge of the retaining ring, a supporting surface is arranged on the inner wall of the collecting cavity, and the flange is supported on the supporting surface.

8. A skimmer according to any one of claims 1 to 5, characterised in that, A filter core is installed in the collecting cavity, and the filter core is arranged below the filter screen.

9. A skimmer according to claim 8, characterised in that A water passing hole is arranged in the middle of the filter core, a water inlet cavity is formed between the outer wall of the filter core and the inner wall of the collecting cavity, a positioning sleeve is arranged on the filter screen, an installation sleeve which is communicated with the water outlet is arranged on the bottom of the collecting cavity, and the positioning sleeve and the installation sleeve are respectively installed on the upper and lower ends of the water passing hole.

10. A pool characterised by, The skimmer of any one of claims 1 to 9 is installed in the sink close to the upper part, the connecting piece realizes the connection between the skimmer and the sink, a water outlet pipe is arranged on the sink, and the water outlet on the skimmer is connected with the water outlet pipe.

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