Underwater cleaning device

Abstract

The utility model provides an underwater cleaning device which comprises a shell and a filtering device arranged in the shell, the filtering device comprises a filtering main body and a filtering accessory which are sequentially arranged in the water outlet direction of a waterway, sewage is sequentially filtered, the interior of the shell is divided into at least two spaces by the filtering accessory, and the filtering accessory is arranged in the shell. The filtering accessory is arranged on any side outside the filtering main body, and the filtering accessory is provided with a filtering piece, or the filtering piece is arranged between the filtering main body and the filtering accessory. The utility model has the beneficial effects that the filtering main body is provided with the filtering frame and the top cover which are buckled and connected, the filtering frame and the top cover are both provided with the filtering nets, sewage can be filtered, the filtering frame can filter the sewage, and the top cover is arranged at the other end of the filtering frame, so that solid dirt is prevented from flowing out and being intercepted in the filtering main body, and the filtering effect is good. The filtering main body is simple in structure, can fully fill the mounting space in the underwater cleaning device, and is convenient to mount and dismount.

Description

Technical Field

[0001] The utility model belongs to the technical field of swimming pool cleaning, in particular to an underwater cleaning device. Background Art

[0002] When the pool cleaning machine is cleaning the pool, the dirt enters the filter device inside the pool cleaning machine from the water inlet under the suction action of the impeller, and the filtered water is discharged from the water outlet. The solid dirt in the dirt is intercepted by the filter device and remains in the filter device; when the pool cleaning machine stops working, the filter device is taken out from the inside of the pool cleaning machine and the dirt is poured out. The existing filter device has a complex structure and occupies a large space inside the pool cleaning machine, resulting in a waste of space inside the pool cleaning machine and inconvenient installation. Summary of the invention

[0003] In view of the above problems, the utility model provides an underwater cleaning device to solve the above or other problems existing in the prior art.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: an underwater cleaning device, including a shell and a filtering device arranged in the shell, the filtering device includes a filtering body and filtering accessories arranged in sequence along the water outlet direction of the waterway, filtering the sewage in sequence, the filtering accessories divide the interior of the shell into at least two spaces, the filtering accessories are arranged on at least one side of the outside of the filtering body, the filtering accessories are provided with a filter element, or a filter element is provided between the filtering body and the filtering accessories.

[0005] Furthermore, the filter body includes a filter frame and a top cover, the filter frame is provided with a water inlet, and the water inlet of the filter frame corresponds to the water inlet of the shell.

[0006] Furthermore, the filter accessory and the filter body are respectively snap-fitted and connected to the shell, and the filter accessory is snap-fitted and connected to the filter body.

[0007] Furthermore, the filter accessory can be slidably arranged in the shell, a group of oppositely arranged side walls of the shell are provided with guide blocks, a group of oppositely arranged side walls of the filter accessory are provided with guide grooves, and the guide blocks are plugged into the guide grooves so that the filter accessory can slide along the guide blocks.

[0008] Furthermore, the filter element is a sponge filter element.

[0009] Furthermore, the thickness of the sponge filter element is greater than 1 mm.

[0010] Furthermore, the pore size of the sponge filter element is 10-100PPI.

[0011] Furthermore, a sealing member is provided at the contact point between the filter attachment and the bottom plate of the housing.

[0012] Furthermore, the inner wall of the shell is provided with a supporting rib, and the supporting rib is in contact with and matched with the outer wall of the filter frame.

[0013] Furthermore, the filter frame and the top cover are both provided with a plurality of filter holes.

[0014] Furthermore, the filter frame and / or the top cover are both provided with a first filter element.

[0015] Furthermore, the first filter element is a filter net. Due to the adoption of the above technical solution, the filter device has a filter body, the filter body is provided with a filter frame and a top cover that are snap-fitted, the filter frame and the top cover are both provided with a filter net that can filter sewage, one end of the filter frame is connected to a bottom side plate, the bottom side plate is provided with a water inlet, sewage can enter the filter frame through the water inlet, the filter frame can filter sewage, the top cover is provided at the other end of the filter frame to prevent solid sewage from flowing out, and the solid sewage is trapped in the filter body, the filter body has a simple structure, can fully utilize the installation space inside the underwater cleaning device, and is easy to install and disassemble;

[0016] The filtration device is equipped with a filtration attachment to perform secondary filtration on the sewage. The filtration attachment is equipped with a sponge filter element, which performs adsorption while filtering the sewage, further improving the cleanliness of the filtered water;

[0017] A seal is provided at the contact point between the filter attachment and the bottom plate of the shell to seal the contact point between the filter attachment and the bottom plate of the shell to prevent sewage from flowing out from the contact point between the filter attachment and the bottom plate of the shell without being filtered by the filter attachment. The seal has an elastic part that undergoes elastic deformation during the installation of the filter attachment to seal the installation position of the filter attachment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an underwater cleaning device according to an embodiment of the utility model (only the housing, the filter body and the filter accessories are shown);

[0019] Figure 2 It is a partial structural schematic diagram of an underwater cleaning device according to an embodiment of the utility model (only the housing and the filter attachment are shown);

[0020] Figure 3 It is a structural schematic diagram of a filter body according to an embodiment of the utility model;

[0021] Figure 4 It is a structural schematic diagram of an underwater cleaning device according to an embodiment of the utility model from another angle;

[0022] Figure 5 It is a schematic cross-sectional structural diagram of an underwater cleaning device according to an embodiment of the utility model;

[0023] Figure 6This is another structural schematic diagram of the filtering device of the underwater cleaning device of one embodiment of the utility model.

[0024] In the figure:

[0025] 1. Shell 2. Filter accessories 3. Filter body

[0026] 4. Seal 10, guide block 11, support rib

[0027] 20, guide groove 30, filter frame 31, top cover

[0028] 300, filter hole 5, filter element DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] Figure 1 A structural schematic diagram of an embodiment of the utility model is shown. The embodiment relates to an underwater cleaning device for cleaning a swimming pool. A filtering device is installed inside the underwater cleaning device. During the operation of the underwater cleaning device, sewage enters the filtering device, and the filtered water is discharged from the water outlet of the underwater cleaning device. Solid dirt is intercepted and remains in the filtering device. The filtering device has a simple structure and is easy to install and disassemble.

[0031] An underwater cleaning device, such as Figure 1-5 As shown, it includes a housing 1 and a filtering device arranged in the housing 1, and the filtering device includes a filtering body 3 and a filtering attachment 2 arranged in sequence along the water outlet direction of the waterway. Sewage enters the filtering body 3 from the water inlet of the housing 1, enters the filtering attachment 2 after being filtered by the filtering body 3, and is discharged from the water outlet of the housing 1 after being filtered again by the filtering attachment 2. Solid impurities in the sewage are intercepted by the filtering body 3 and the filtering attachment 2.

[0032] The filter element 5 is disposed on the filter attachment 2, or the filter element 5 is disposed between the filter attachment 2 and the filter body 3, and the filter element 5 is selected and disposed according to the structure of the filter attachment 2 and the filter body 3;

[0033] The filter attachment 2 divides the interior of the shell into at least two spaces. The filter attachment 2 is arranged on at least one side of the outside of the filter body 3, that is, the filter body 3 is located in any space on at least one side of the filter attachment 2; the filter attachment 2 can be sealed to the inner wall of the shell 1 to prevent small-volume solid dirt such as mud and sand from leaking out of the gap between the filter attachment 2 and the shell 1.

[0034] Among them, the filter accessory 2 and the shell 1 can be slidably connected, so that the filter accessory 2 can be accurately and quickly installed in the shell 1, which is convenient for the quick installation and disassembly of the filter accessory 2, and at the same time can enhance the sealing between the filter accessory 2 and the shell 1, and prevent solid impurities (such as sand) in the dirt from leaking from the gap at the contact point between the filter accessory 2 and the shell 1; or, a sealing member, such as a sealing ring, is provided at the contact point between the filter accessory 2 and the shell 1 to increase the sealing at the contact point between the filter accessory 2 and the shell 1.

[0035] The filter body 3 includes a filter frame 30 and a top cover 31 that are snap-fitted together, forming a box-like structure or a box structure to store the trapped solid dirt. The top cover 31 is provided to prevent the solid dirt from flowing out of the filter frame 30 and falling. The filter frame 30 is connected to the housing 1, and the filter frame 30 is connected to the water inlet of the housing 1. The sewage enters the filter frame 30 from the water inlet, so that the filter frame 30 can filter the sewage. In another possible embodiment, the top cover 31 is a part of the housing, and when the housing is closed, it is directly snapped with the filter frame 30.

[0036] Specifically, Figure 1 and 3 As shown, the filter frame 30 is fixedly connected to the bottom plate, and the filter frame 30 has a bottom side plate to facilitate the installation of the water inlet assembly. The bottom side plate of the filter frame 30 is in contact with the bottom plate of the shell 1, and the bottom side plate of the filter frame 30 is provided with a mounting hole, and the water inlet assembly is installed at the mounting hole. The water inlet assembly is located inside the filter frame 30, and a water inlet is arranged on the bottom plate of the shell 1. The mounting hole corresponds to the water inlet hole, so that sewage enters the filter frame 30 from the water inlet through the water inlet assembly, and at the same time, it is convenient for the filter frame 30 to be installed on the bottom plate of the shell 1. The bottom plate of the shell 1 and the filter frame 30 can be fixedly connected by connecting parts such as bolts, or integrally formed, or other fixed connection methods. The selection and setting are made according to actual needs, and no specific requirements are made here.

[0037] One end of the filter frame 30 away from the bottom plate of the shell 1 is an open structure, and the top cover 31 is arranged at this end of the filter frame 30. The top cover 31 is snap-fitted with the filter frame 30. It can be: the top cover 31 is provided with a plug-in hole, and the corresponding position of the filter frame 30 is provided with a protrusion. When the top cover 31 is snap-fitted with the filter frame 30, the protrusion is plugged into the plug-in hole to realize the snap-fit ​​connection between the filter frame 30 and the top cover 31. Or, the filter frame 30 is provided with a plug-in hole, and the corresponding position of the top cover 31 is provided with a protrusion. When the top cover 31 is snap-fitted with the filter frame 30, the protrusion is plugged into the plug-in hole to realize the snap-fit ​​connection between the filter frame 30 and the top cover 31.

[0038] The filter frame 30 and the top cover 31 are both provided with a plurality of filter holes 300. Specifically, the filter frame 30 is a frame structure with filter holes 300, and the number of the filter holes 300 is multiple, and they are arranged on each side of the filter frame 30, respectively. On any side of the filter frame 30, the plurality of filter holes 300 can be arranged in multiple rows and columns along the length direction and width direction of the side, or can be arranged radially, or in other arrangement modes, which are selected according to actual needs, and no specific requirements are made here. In the present embodiment, preferably, the peripheral side surface of the filter frame 30 in an annular structure is provided with a plurality of filter holes 300, and the bottom side surface is not provided with an opening.

[0039] The heights of the various peripheral sides of the filter frame 30 can be consistent or different, and are selected and set according to actual needs, and no specific requirements are made here. In this embodiment, preferably, the filter frame 30 is preferably formed by integral injection molding, and pre-designed filter holes 300 are formed on each peripheral side to form a frame structure in which each peripheral side has a plurality of filter holes 300.

[0040] The top cover 31 is a cover structure with filter holes 300. There are multiple filter holes 300 arranged on one side of the top cover 31 facing the filter frame 30. The multiple filter holes 300 can be arranged in multiple rows and columns along the length and width direction of the side, or can be arranged radially, or in other ways, which can be selected according to actual needs and are not specifically required here. A handle is provided on the side of the top cover 31 away from the filter frame 30. By holding the handle, the filter device can be taken out of the housing 1 and the filter device can be easily installed in the housing 1.

[0041] In this embodiment, preferably, the filtering hole 300 is a through hole.

[0042] Alternatively, the filter body 3 is a plate-shaped structure, a plurality of filter holes 300 are provided on the filter body 3 , and the shape of the filter body 3 is adapted to the internal shape of the housing 1 .

[0043] A first filter element is provided on the filter frame 30 and / or the top cover 31, that is, the first filter element can be provided on the filter frame 30, or the first filter element is provided on the top cover 31, or the first filter element is provided on both the filter frame 30 and the top cover 31, and the first filter element can be selected and provided according to actual needs; the first filter element is provided in the following manner: it is provided on the inner side surface or filter hole 300 of the filter frame 30 and the top cover 31, and the first filter element can be provided at each filter hole 300 of the filter frame 30 and the top cover 31, respectively. At this time, the number of first filter elements is multiple, and a first filter element is provided at each filter hole 300; or the first filter element is an integral structure, which is fixedly mounted on the inner wall of the peripheral side surface of the filter frame 30 and the inner side surface of the top cover 31, respectively, and the sewage passes through the first filter element, and the solid dirt is intercepted, thereby achieving the filtration of the sewage.

[0044] In this embodiment, preferably, the first filter element is a filter net.

[0045] The inner wall of the housing 1 is provided with a support rib 11, which is a plate-like structure and is arranged along the height direction of the housing 1. There are multiple support ribs 11, which are arranged along the length direction of the housing 1. When the filter body 3 is installed, after being inserted into the housing 1, the filter frame 30 contacts the support rib 11 to fix and support the filter body 3, and at the same time increases the gap between the filter body 3 and the side wall of the housing 1, which is convenient for the outflow of filtered water and can strengthen the strength of the housing 1. In this embodiment, the support ribs 11 are arranged on a group of oppositely arranged inner side surfaces of the housing 1.

[0046] The filter body 3 is a box structure, which contacts and cooperates with the shell 1 of the underwater cleaning device. When the filter device is installed inside the underwater cleaning device, the sewage entering the filter body 3 is filtered through the filter nets on the sides of the filter frame 30 and the top cover 31 and then flows out, and the solid dirt is trapped in the filter body 3, so that the water flowing out of the filter body 3 is all filtered water.

[0047] Further optimization scheme, such as Figure 1 and 2 As shown, the filter attachment 2 can be fixedly connected to the filter body 3, or the filter attachment 2 can be in contact with the filter body 3, or, as shown in FIG. Figure 6 As shown, the filter accessory 2 is snap-fittedly connected to the filter body 3, or other connection methods are selected according to actual needs. No specific requirements are made here. The filter accessory 2 is arranged on the outside of the filter body 3 to further filter the filtered water and further purify the water filtered by the filter body 3.

[0048] The above-mentioned filter accessory 2 is provided with a filter element 5, which filters the water filtered by the filter body 3 again. The filter accessory 2 also includes a mounting frame, and the filter element 5 is arranged in the mounting frame. The setting of the mounting frame plays the role of a skeleton, which facilitates the installation of the filter element 5.

[0049] In some feasible embodiments, the mounting frame includes a side plate and an annular side plate arranged on one side of the side plate. The side plate and the annular side plate construct a accommodating space, and the filter element 5 is arranged in the accommodating space. Under this structure, the filter attachment 2 is in contact with the filter body 3.

[0050] In some other feasible embodiments, such as Figure 6 As shown, the mounting frame is a plate-like structure, the shape of which is adapted to the internal shape of the shell 1, a plurality of filter holes 300 are provided on the mounting frame, the mounting frame is snap-fittedly connected to the filter body 3, the filter element 5 is located between the filter frame and the filter body 3, and the filter element 5 is fixed between the filter frame and the filter body 3 through the snap-fitting connection. Under this structure, the filter body 3 and the filter accessory 2 are both snap-fittedly connected to the shell 1.

[0051] In this embodiment, preferably, the filter element 5 is a sponge filter element, which can play an adsorption role and adsorb while filtering. On this basis, even very small garbage can be filtered out.

[0052] In this embodiment, preferably, the number of pores of the sponge filter core is 30-60 PPI, PPI refers to the number of pores per square inch, and the thickness of the sponge filter core is greater than 1 mm. Preferably, the thickness of the sponge filter core is 1-20 mm.

[0053] When the filter accessory 2 is slidably connected to the shell 1, a guide block 10 is provided on a group of oppositely arranged side walls of the shell 1, and a guide groove 20 is provided on a group of oppositely arranged side walls of the filter accessory 2. The guide block 10 is plugged into the guide groove 20 so that the filter accessory 2 can slide along the guide block 10. When installing the filter accessory 2, the guide block 10 is inserted into the guide groove 20, and a force is applied to the filter accessory 2, so that the filter accessory 2 can be pressed into the shell 1, so as to achieve accurate positioning of the filter accessory 2 and quick installation. At the same time, the guide block 10 limits the movement of the filter accessory 2 along the length direction of the shell 1 to avoid the displacement of the filter accessory 2. The guide groove 20 is a groove structure, which is arranged on two side surfaces of the mounting frame of the filter attachment 2 facing the inner wall of the shell 1, and is formed by the inward depression of the side surface, and the guide groove 20 is arranged along the length direction of the mounting frame. The guide block 10 is a convex structure, which is installed on the inner wall of the shell 1 facing the guide groove 20, and is arranged to protrude from the inner wall of the shell 1. The convexity on the inner wall of the shell 1 can block the gap between the filter attachment 2 and the inner wall of the shell 1, enhance the sealing between the filter attachment 2 and the shell 1, and prevent solid impurities in the sewage from leaking from the gap between the filter attachment 2 and the inner wall of the shell 1.

[0054] like Figure 4 and 5 As shown, a seal 4 is provided at the contact point between the filter accessory 2 and the bottom plate of the shell 1 to seal the contact point between the filter accessory 2 and the bottom plate of the shell 1 to prevent sewage from flowing through the contact point between the filter accessory 2 and the bottom plate of the shell 1 without being filtered by the filter accessory 2. At the same time, the seal 4 is elastic and is compressed during the installation of the accessory. The seal 4 can undergo elastic deformation to seal the contact position between the filter accessory 2 and the bottom plate of the shell 1. During the removal of the filter accessory 2, the seal 4 applies elastic force to the filter accessory 2 under the action of elastic deformation, and the filter accessory 2 is separated from the bottom plate of the shell 1, which facilitates the disassembly of the filter accessory 2.

[0055] The filter accessory 2 can be plugged into the bottom plate of the shell 1. A groove is provided on the bottom plate of the shell 1, the filter accessory 2 is plugged into the groove, and the seal 4 is installed in the groove; or, the seal 4 is installed at one end of the filter accessory 2 facing the bottom plate of the shell 1. After the filter accessory 2 is installed, the seal 4 contacts the bottom plate, and the seal 4 seals the contact between the filter accessory 2 and the bottom plate of the shell 1, or other installation methods are selected according to actual needs, and no specific requirements are made here.

[0056] In this embodiment, preferably, the sealing member 4 is a sealing strip.

[0057] When the underwater cleaning device is working, the structure in which the filter body 3 is a filter frame is used as an example for explanation. The water inlet assembly is installed at the water inlet of the filter body 3, and the water inlet assembly is located inside the filter body 3 (when the filter body 3 is a plate-shaped structure, the water inlet assembly is installed at the water inlet of the shell 1), the filter frame 30 is buckled with the top cover 31, and then the filter body 3 installed with the water inlet assembly is installed inside the underwater cleaning device, and the water inlet on the bottom plate is aligned with the water inlet of the water inlet assembly, so that sewage enters the filter body 3; the guide groove 20 of the filter attachment 2 is aligned with the guide block 10 of the shell 1, the guide block 10 is inserted into the guide groove 20, a force is applied to the filter attachment 2, the filter attachment 2 slides along the guide block 10, and the filter attachment 2 is installed in the shell 1;

[0058] The underwater cleaning device is placed underwater to perform cleaning operations. The cleaning roller brushes the pool bottom and pool wall. The sewage pushes open the valve device of the water inlet assembly under the suction action of the impeller and enters the interior of the filter body 3. After being filtered by the first filter element of the filter body 3, the filtered water is filtered again by the filter element 5 of the filter attachment 2. The filtered water is discharged from the water outlet of the underwater cleaning device, and the solid dirt is trapped in the filter body 3.

[0059] After the underwater cleaning device stops working, the valve device is restored to its original position, the water inlet is sealed, and the filter device is taken out for cleaning so that it can be used again.

[0060] Due to the adoption of the above technical solution, the filter device has a filter body, the filter body is provided with a filter frame and a top cover that are snap-fitted, the filter frame and the top cover are both provided with a filter net, which can filter sewage, one end of the filter frame is connected to a bottom side plate, the bottom side plate is provided with a water inlet, sewage can enter the filter frame through the water inlet, the filter frame can filter sewage, the top cover is provided at the other end of the filter frame, to prevent solid sewage from flowing out, and solid sewage is trapped in the filter body, the filter body has a simple structure, can fully use the installation space inside the underwater cleaning device, and is easy to install and disassemble; the filter device is provided with a filter attachment, which performs secondary filtration on the sewage, the filter attachment is provided with a sponge filter element, which performs adsorption while filtering the sewage, and further improves the cleanliness of the filtered water; a sealing member is provided at the contact between the filter attachment and the bottom plate of the shell, the contact between the filter attachment and the bottom plate of the shell is sealed, to prevent sewage from flowing out from the contact between the filter attachment and the bottom plate of the shell without being filtered by the filter attachment, and the sealing member has an elastic member, which undergoes elastic deformation during the installation of the filter attachment, so as to seal the installation position of the filter attachment.

[0061] The above is a detailed description of the embodiments of the utility model, but the contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. An underwater cleaning device, comprising a housing and a filtering device disposed in the housing, characterized in that: The filtering device comprises a filtering body and a filtering accessory which are sequentially arranged along the water outlet direction of the water channel, and filters sewage in sequence; the filtering accessory divides the interior of the shell into at least two spaces; the filtering accessory is arranged on at least one side of the outside of the filtering body; the filtering accessory is provided with a filtering element, or a filtering element is arranged between the filtering body and the filtering accessory; the filtering body is a box structure, and is in contact with and matched with the shell, or the filtering accessory is snap-fitted with the filtering body.

2. The underwater cleaning device according to claim 1, characterized in that: The filter body comprises a filter frame and a top cover. The filter frame is provided with a water inlet, and the water inlet of the filter frame corresponds to the water inlet of the shell.

3. The underwater cleaning device according to claim 1, characterized in that: The filter attachment and the filter body are respectively snap-fitted and connected to the shell.

4. The underwater cleaning device according to claim 1 or 2, characterized in that: The filter accessory is slidably arranged in the shell, a group of oppositely arranged side walls of the shell are provided with guide blocks, a group of oppositely arranged side walls of the filter accessory are provided with guide grooves, and the guide blocks are plugged into the guide grooves so that the filter accessory can slide along the guide blocks.

5. The underwater cleaning device according to claim 2, characterized in that: The filter element is a sponge filter element.

6. The underwater cleaning device according to claim 1 or 3, characterized in that: The filter element is a sponge filter element.

7. The underwater cleaning device according to claim 5, characterized in that: The thickness of the sponge filter element is greater than 1 mm.

8. The underwater cleaning device according to claim 7, characterized in that: The pore size of the sponge filter element is 10-100 PPI.

9. The underwater cleaning device according to any one of claims 1-3 and 7-8, characterized in that: A sealing member is provided at the contact point between the filter attachment and the bottom plate of the housing.

10. The underwater cleaning device according to claim 2, 7 or 8, characterized in that: The inner wall of the shell is provided with a supporting rib, and the supporting rib is in contact with and matched with the outer side wall of the filter frame.

11. The underwater cleaning device according to claim 2, characterized in that: The filter frame and the top cover are both provided with a plurality of filter holes.

12. The underwater cleaning device according to claim 11, characterized in that: The filter frame and / or the top cover are both provided with a first filter element.

13. The underwater cleaning device according to claim 12, characterized in that: The first filter element is a filter net.

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