Skimmer fastening system and skimmer
By designing a scum skimmer fastening system and utilizing a wrench-driven slot structure for tightening the nut, the problem of difficult installation and removal of the nut is solved, enabling simple installation and removal of the scum skimmer and facilitating user operation.
Patent Information
- Application Number
- CN202423160302.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The locking nut of the skimmer is difficult to find an effective leverage point during installation and disassembly, making installation and disassembly inconvenient.
A skimmer fastening system was designed, including an inlet pipe, a lock nut, and a wrench. The wrench drives the tightening or loosening of the lock nut. The wrench's handle and plug end, along with the matching slot structure with the lock nut, provide a longer lever arm, facilitating installation and disassembly.
By using a wrench to drive the locking nut, users can easily install and remove the locking nut with minimal force, solving the problem of manual operation and improving the convenience of installation and removal.
Smart Images

Figure CN223838701U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of pool water treatment and cleaning technology, and in particular to a skimmer fastening system and a skimmer. Background Technology
[0002] Skimmers are used to filter impurities from swimming pool water. Typically, the skimmer's inlet pipe is secured to the pool wall with a lock nut to seal the inlet and fix the skimmer in place. However, for safety, aesthetic, and cost reasons, lock nuts are generally small, flat, and thin, making it difficult for users to find an effective leverage point when installing them by hand, thus causing inconvenience in installation and removal. Utility Model Content
[0003] Therefore, it is necessary to provide a skimmer fastening system to address the problem of the difficulty in installing and disassembling the locking nut of the skimmer.
[0004] According to one aspect of this application, a skimmer fastening system is provided for securing a skimmer to the outer side of a pool wall, the skimmer including a housing. The skimmer fastening system includes: an inlet pipe disposed on the housing, the inlet pipe passing through the pool wall from the outer side, the inlet pipe having a mounting portion protruding from the inner side of the pool wall; a locking nut detachably fitted onto the mounting portion, such that the locking nut is pressed against the pool wall, the locking nut having an inner hole and a first slot, the mounting portion passing through the inner hole; and a wrench including a handle and a plug portion connected to each other, the plug portion having a matching shape with the first slot. Wherein, when the plug portion is inserted into the first slot, the handle is located outside the first slot. By providing a wrench to drive the tightening or loosening of the locking nut, the problem of finding an effective leverage point when manually installing and removing the locking nut is solved. Furthermore, compared to manually tightening the lock nut, using a wrench to tighten the lock nut provides a longer lever arm, allowing users to tighten and loosen the lock nut with less force, thus making it easier and more convenient to install and remove the lock nut.
[0005] In one embodiment, the plug portion is plate-shaped, and the handle portion is angled to the plug portion. When the plug portion is inserted into the first slot, the handle portion is offset away from the pool wall.
[0006] In one embodiment, the locking nut is annular, and a boss is provided on the side of the locking nut away from the pool wall, with a first slot formed in the boss.
[0007] In one embodiment, the locking nut is provided with a plurality of bosses, which are arranged around the inner hole along the circumference of the locking nut, and each boss has a first slot formed therein.
[0008] In one embodiment, a thickened portion is provided between adjacent bosses.
[0009] In one embodiment, the plug portion of the wrench has a first arcuate surface on the side away from the handle, and the bottom surface of the first slot has a second arcuate surface that matches the shape of the first arcuate surface.
[0010] In one embodiment, the outer peripheral surface of the water inlet pipe mounting part is provided with a first thread, and the inner peripheral surface of the inner hole of the locking nut is provided with a second thread. The locking nut is screwed onto the mounting part by the cooperation of the first thread and the second thread.
[0011] In one embodiment, the skimmer fastening system further includes a receiving portion disposed on the housing, the receiving portion having a through groove forming a second slot for inserting the handle with the outer wall of the housing.
[0012] In one embodiment, the second slot extends in a horizontal or vertical direction.
[0013] According to another aspect of this application, a skimmer is provided, including a housing and a skimmer fastening system as described in any of the foregoing embodiments. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of the skimmer fastening system according to an embodiment of this application.
[0015] Figure 2 This is a top view of a skimmer fastening system according to an embodiment of this application, wherein the skimmer is mounted on a pool wall.
[0016] Figure 3 This is a schematic diagram of the structure of a skimmer according to an embodiment of this application.
[0017] Figure 4 This is a schematic diagram of a wrench and a locking nut according to an embodiment of the present application, wherein the plug of the wrench is inserted into the first slot of the locking nut.
[0018] Figure 5 for Figure 4 A schematic diagram of its breakdown.
[0019] Figure 6 This is a side view of a wrench according to an embodiment of this application.
[0020] Figure 7 This is a top view of a wrench according to an embodiment of this application.
[0021] Figure 8 This is a schematic diagram of the structure of a locking nut according to an embodiment of this application.
[0022] Figure 9 This is a schematic diagram of the structure of a skimmer according to an embodiment of this application.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Skimmer fastening system; 10. Skimmer; 100. Housing; 110. Inlet pipe; 111. Mounting part; 112. Support platform; 113. Outlet pipe; 114. First thread; 120. Receiving part; 121. Second slot; 200. Locking nut; 210. Second arc-shaped surface; 220. First slot; 230. Inner hole; 231. Second thread; 240. Thickened part; 250. Boss; 300. Wrench; 310. Handle; 320. Plug part; 321. First arc-shaped surface; 20. Pool wall. Detailed Implementation
[0025] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate preferred embodiments of the application. However, this application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.
[0026] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to and integrated with the other component, or there may be an intervening component present. The terms "mounted," "one end," "the other end," and similar expressions used in this document are for illustrative purposes only.
[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0028] refer to Figures 1 to 3One example of this application provides a skimmer fastening system 1 for securing a skimmer 10 to the outside of a pool wall 20. In this application, the side of the pool wall 20 facing away from the pool water is defined as the outside of the pool wall 20, and the side of the pool wall 20 facing the pool water is defined as the inside of the pool wall 20. The skimmer 10 includes a housing 100, on which an inlet pipe 110 and an outlet pipe 113 are provided. Pool water enters the skimmer 10 through the inlet pipe 110, is filtered by a filter assembly (not shown) within the housing 100, and the filtered pool water flows back to the pool through the outlet pipe 113. The skimmer 10 fastening system 1 includes the inlet pipe 110, a locking nut 200, and a wrench 300. The inlet pipe 110 passes through the pool wall 20 from the outside and enters the pool (not shown). The inlet pipe 110 has a mounting portion 111 that protrudes from the inner side of the pool wall 20. A locking nut 200 is detachably fitted onto the mounting portion 111, such that the locking nut 200 is pressed against the inner side of the pool wall 20 to fix the skimmer 10 to the pool wall 20. Optionally, the mounting portion 111 is provided with a support platform 112, which is pressed against the outer side of the pool wall 20 when the locking nut 200 is pressed against the inner side of the pool wall 20. Optionally, a waterproof gasket (not shown) is provided between the support platform 112 and the outer side of the pool wall 20. The locking nut 200 also has an inner hole 230 and a first slot 220, through which the mounting portion 111 passes. Optionally, the outer peripheral surface of the mounting portion 111 is provided with a first thread 114, and the inner peripheral surface of the inner hole 230 of the locking nut 200 is provided with a second thread 231. The locking nut is screwed onto the mounting portion 111 through the engagement of the first thread 114 and the second thread 231. The wrench 300 includes a handle portion 310 and a plug portion 320 connected to each other. The plug portion 320 has a matching shape with the first slot 220. When the plug portion 320 is inserted into the first slot 220, the handle portion 310 is located outside the first slot 220. When installing or removing the locking nut 200, the user inserts the plug portion 320 of the wrench 300 into the first slot 220, and then applies torque through the handle portion 310 to drive the locking nut 200 to rotate (e.g., clockwise or counterclockwise) to tighten or loosen the locking nut 200. By setting the wrench 300 to drive the tightening or loosening of the locking nut 200, the problem of finding an effective leverage point when installing and removing the locking nut 200 by hand is solved. Furthermore, compared to directly driving the locking nut 200 by hand, using a wrench to drive the locking nut 200 provides a longer lever arm, allowing the user to tighten and loosen the locking nut 200 with only a smaller force, thus making the installation and removal of the locking nut 200 simpler and more convenient.
[0029] Please refer to the above. Figure 4 , Figure 5 and Figure 8In one embodiment of this application, the locking nut 200 is annular. It is understood that the annular shape of the locking nut 200 is merely exemplary, and those skilled in the art can choose a suitable shape for the locking nut 200 as needed, such as hexagonal. A boss 250 is provided on the side of the locking nut 200 away from the pool wall 20, and a first slot 220 is formed within the boss 250. Specifically, one edge of the boss 250 is flush with the outer edge of the locking nut 200, and the first slot 220 is disposed within the boss 250, with one end of the first slot 220 located at the edge of the boss 250 flush with the outer edge of the locking nut 200, so that the boss 250 has an opening at that edge. Optionally, the locking nut 200 is provided with multiple bosses 250, and the multiple bosses 250 are arranged around the inner hole 230 along the circumference of the locking nut 200. Optionally, a first slot 220 is formed within each boss 250. Figure 5 In the illustrated embodiment, for example, the locking nut 200 is provided with three bosses 250. These three bosses 250 are arranged at equal intervals around the inner hole 230 along the circumference of the locking nut 200, and each boss 250 has a first slot 220 formed within it. In this embodiment, the user can more easily locate the first slot 220 and can choose a first slot 220 that is more convenient to operate from, thereby increasing ease of use. It is understood that the number and arrangement of the bosses 250 described above are merely exemplary, and those skilled in the art can choose other suitable numbers and arrangements for the bosses 250 as needed. For example, in other embodiments, one, two, or four bosses 250 may be provided. In embodiments with more than one boss 250, these bosses 250 may be arranged at equal or unequal intervals around the inner hole 230.
[0030] refer to Figure 8 In one embodiment of this application, the locking nut 200 is provided with a thickened portion 240, which surrounds the edge of the inner hole 230 and is disposed between adjacent bosses 250. The thickened portion 240 improves the overall structural strength of the locking nut 200 and the structural strength of the first slot 220.
[0031] refer to Figure 5 In one embodiment according to this application, the plug portion 320 is configured as a generally plate-like structure, thereby increasing the circumferential extension length of the plug portion 320 of the wrench 300 over the locking nut 200, resulting in greater structural strength and extending the service life of the wrench 300. Correspondingly, the first slot 220 is also configured as a generally plate-like structure to match the shape of the plug portion 320 of the wrench 300 for better torque transmission.
[0032] refer to Figure 6In one embodiment according to this application, an angle α is formed between the handle 310 and the plug 320, such that when the plug 320 is inserted into the first slot 220, the handle 310 is offset away from the pool wall 20. This provides sufficient operating space between the handle 310 and the pool wall 20, making it easier for the user to grip the handle 310. Optionally, the angle α is set between 0° and 90°. It is understood that, given a fixed length of the handle 310, a smaller angle α provides a longer lever arm, resulting in less effort required for operation. For example, in embodiments where there is insufficient operating space around the locking nut 200, the angle α can be set to 90°. In such embodiments, the lever arm provided by the handle 310 is 0, which does not result in less effort, but still improves the point of application when operating the locking nut 200. In other embodiments, for example, a recess is provided around the locking nut 200 in the pool wall 20 to provide operating space for the user to operate the handle 310. In such an embodiment, the included angle α can be set relatively small, for example, 0°, thereby maximizing the lever arm provided by the handle 310. This not only saves effort for the user but also improves the point of force application when operating the locking nut 200. Optionally, the included angle α is set to 20°.
[0033] Please refer to the above. Figure 7 and Figure 8 In one embodiment of this application, the plug portion 320 of the wrench 300 has a first arcuate surface 321 on the side away from the handle portion 310, and the bottom surface of the first slot 220 has a second arcuate surface 210 that matches the shape of the first arcuate surface 321. When the handle portion 310 is inserted into the first slot 220, the first arcuate surface 321 abuts against the second arcuate surface 210, which increases the contact area between the handle portion 310 and the bottom surface of the first slot 220, thus helping to prevent slippage between the wrench 300 and the locking nut 200.
[0034] Please refer to the above. Figure 1 and Figure 9 According to one embodiment of this application, the fastening system of the skimmer 10 further includes a receiving portion 120, which is disposed on the housing 100. A through groove is provided in the receiving portion 120, and the through groove and the outer wall of the housing 100 form a second slot 121 for inserting the handle 310. Specifically, the receiving portion 120 is disposed on the outer wall of the housing 100, and the receiving portion 120 and the outer wall of the housing 100 enclose to form the second slot 121. The handle 310 can be inserted along the second slot 121, allowing the wrench 300 to be hung on the outer wall of the housing 100. When the wrench 300 is not needed, it can be inserted into the receiving portion 120 for easy access by the user. The user does not need to carry the wrench 300, reducing the chance of loss. Figure 1 In the illustrated embodiment, the second slot 121 extends horizontally, so the wrench 300 is inserted into the receiving portion 120 substantially horizontally. Alternatively, the second slot 121 may also extend in other directions, such as vertically or at an angle to the vertical, so that after the wrench 300 is inserted into the second slot 121, the wrench 300 is inserted into the receiving portion 120 substantially vertically or at an angle relative to the vertical direction.
[0035] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0036] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A skimmer fastening system for securing a skimmer to the outside of a pool wall, the skimmer comprising a housing, characterized in that, The skimmer fastening system includes: A water inlet pipe is disposed on the housing, the water inlet pipe passes through the pool wall from the outside of the pool wall, the water inlet pipe has a mounting portion that protrudes from the inside of the pool wall; A locking nut is detachably fitted onto the mounting portion, such that the locking nut is pressed against the pool wall. The locking nut has an inner hole and a first slot, and the mounting portion passes through the inner hole. The wrench includes a handle and a plug that are connected to each other, the plug having a matching shape to the first slot. When the plug is inserted into the first slot, the handle is located outside the first slot.
2. The skimmer fastening system according to claim 1, characterized in that, The plug portion is plate-shaped, and the handle portion is set at an angle to the plug portion. When the plug portion is inserted into the first slot, the handle portion is offset away from the pool wall.
3. The skimmer fastening system according to claim 1 or 2, characterized in that, The locking nut is annular, and a boss is provided on the side of the locking nut away from the pool wall, and the first slot is formed in the boss.
4. The skimmer fastening system according to claim 3, characterized in that, The locking nut is provided with a plurality of protrusions, which are arranged around the inner hole along the circumference of the locking nut, and each protrusion has the first slot formed therein.
5. The skimmer fastening system according to claim 4, characterized in that, A thickened portion is provided between adjacent bosses.
6. The skimmer fastening system according to claim 1 or 2, characterized in that, The plug portion of the wrench has a first arc-shaped surface on the side away from the handle portion, and the bottom surface of the first slot has a second arc-shaped surface that matches the shape of the first arc-shaped surface.
7. The skimmer fastening system according to claim 1 or 2, characterized in that, The outer circumferential surface of the mounting part of the water inlet pipe is provided with a first thread, and the inner circumferential surface of the inner hole of the locking nut is provided with a second thread. The locking nut is screwed onto the mounting part by the cooperation of the first thread and the second thread.
8. The skimmer fastening system according to claim 1 or 2, characterized in that, The skimmer fastening system also includes a receiving part disposed on the housing, the receiving part having a through groove, the through groove forming a second slot with the outer wall of the housing for inserting the handle.
9. The skimmer fastening system according to claim 8, characterized in that, The second slot extends in a horizontal or vertical direction.
10. A skimmer, characterized in that, It includes a housing and a skimmer fastening system as described in any one of claims 1 to 9.