Drainage filtering device and washing equipment

Abstract

The utility model discloses a drainage filtering device and washing equipment, and belongs to the technical field of washing, the drainage filtering device comprises a shell and a filter, a containing cavity is formed in the shell, the shell is provided with a water inlet, a water outlet and a mounting port which are communicated with the containing cavity, and the inner wall of the containing cavity is convexly provided with a shielding part on the periphery of the water inlet; the filter is detachably arranged in the containing cavity through the mounting opening, the filter is provided with an inlet communicated with the water inlet and an outlet communicated with the water outlet, and the shielding part shields a gap between the water inlet and the inlet. The washing equipment comprises a washing cylinder and the drainage filtering device, the washing cylinder is provided with a drainage port, and the drainage port is communicated with the water inlet. The shielding part shields the gap between the water inlet and the inlet, so that foreign matters entering from the water inlet do not enter the gap between the filter and the containing cavity but enter the filter from the inlet of the filter, the situation that the foreign matters block the filter is avoided, and it is guaranteed that the filter can be detached and cleaned regularly.

Description

Technical Field

[0001] The utility model relates to the technical field of washing, in particular to a drainage filtering device and washing equipment. Background Art

[0002] In the prior art, the drainage of washing equipment mainly uses a drainage pump to lead the washing water inside the washing drum to the drain pipe to drain the washing water away. The main working principle is to use a valve to open or close the drain port and drain the water downward by gravity. The washing water may contain lint and may also contain foreign objects such as buttons, pins, metal accessories, etc., which can easily clog the drain pipe over a long period of time. Foreign objects can also enter the drainage pump and cause the drainage pump to malfunction. Usually, a filter is set in the drainage path to filter foreign objects. The filter is usually inserted into the receiving chamber. Although it can filter larger foreign objects, smaller foreign objects such as fine sand can easily enter the gap between the filter and the receiving chamber, making the filter inconvenient to disassemble and affecting the cleaning of the filter. Utility Model Content

[0003] The purpose of the utility model is to provide a drainage filtering device and a washing device to solve the technical problem in the prior art that smaller foreign matter can easily enter the gap between the filter and the accommodating cavity.

[0004] As conceived above, the technical solution adopted by the utility model is:

[0005] A drainage filtering device, comprising:

[0006] A housing, wherein an accommodating cavity is formed inside the housing, and a water inlet, a water outlet, and a mounting port communicating with the accommodating cavity are provided on the housing, and a shielding portion is protruded on the inner wall of the accommodating cavity around the water inlet;

[0007] A filter is detachably arranged in the accommodating cavity through the installation port, the filter has an inlet connected to the water inlet and an outlet connected to the water outlet, and the shielding portion shields the gap between the water inlet and the inlet.

[0008] Preferably, a recessed portion is formed on the filter around the inlet, and the filter is inserted into the accommodating cavity through the installation opening so that the shielding portion is inserted into the recessed portion.

[0009] Preferably, the filter is inserted into the accommodating cavity along a first direction, and the shielding portion protrudes from the inner wall of the accommodating cavity along a second direction, and the first direction is perpendicular to the second direction.

[0010] Preferably, the water outlet and the installation port are arranged at opposite ends of the shell.

[0011] Preferably, the filter includes a filter body and a handle, the handle is rotatably connected to the filter body, the inlet and the outlet are both provided on the filter body, the filter body is inserted into the accommodating cavity, and the handle is rotatably locked with the installation port.

[0012] Preferably, the filter body includes a detachably connected filter frame and a filter cover, the filter cover is arranged at one end of the filter frame, the handle is arranged at the other end of the filter frame, the inlet is arranged at the side of the filter frame, and the outlet is arranged at the filter cover.

[0013] Preferably, the installation opening is a stepped opening, and the filter further comprises a sealing member, which is sleeved on the filter body and abuts against the stepped surface of the installation opening.

[0014] Preferably, a sealing ring is provided between the shielding portion and the filter; or, the shielding portion is a flexible member and is provided between the inner wall of the accommodating cavity and the filter.

[0015] Preferably, the housing includes a shell, and the shielding portion is integrally formed with the shell; or, the shielding portion is detachably connected to the shell.

[0016] A washing device comprises a washing tub and the drainage and filtering device as described above, wherein the washing tub has a drainage port, and the drainage port is communicated with the water inlet.

[0017] Beneficial effects of the utility model:

[0018] The drainage filter device proposed by the utility model has the following advantages: water flows into the filter from the water inlet of the shell, flows from the inlet of the filter to the outlet of the filter, and is discharged from the water outlet. A shielding portion is protruded at the water inlet on the inner wall of the accommodating cavity, and the shielding portion blocks the gap between the water inlet and the inlet, so that foreign matter entering from the water inlet does not enter the gap between the filter and the accommodating cavity, but enters the interior of the filter from the inlet of the filter, thereby preventing the filter from being stuck by foreign matter and ensuring that the filter can be disassembled and cleaned regularly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a drainage filter device provided by an embodiment of the present utility model;

[0020] Figure 2 This is a schematic structural diagram of a housing provided by an embodiment of the present utility model;

[0021] Figure 3 This is a cross-sectional view of the housing provided by the embodiment of the utility model Figure 1 ;

[0022] Figure 4This is a cross-sectional view of the housing provided by the embodiment of the utility model Figure 2 ;

[0023] Figure 5 This is a schematic structural diagram of a filter provided by an embodiment of the present utility model;

[0024] Figure 6 is a cross-sectional view of a filter provided by an embodiment of the present utility model;

[0025] Figure 7 This is a schematic diagram of the decomposed structure of the filter provided by the embodiment of the present utility model;

[0026] Figure 8 This is a side view of the drainage filter device provided by an embodiment of the present utility model;

[0027] Figure 9 yes Figure 8 AA sectional view;

[0028] Figure 10 yes Figure 9 Enlarged view of point C;

[0029] Figure 11 yes Figure 8 BB cross-sectional view.

[0030] In the picture:

[0031] 10. Outer shell; 11. Accommodating cavity; 12. Water inlet; 13. Water outlet; 14. Mounting port; 15. Shielding portion; 16. Shell;

[0032] 20. Filter; 201. Inlet; 202. Outlet; 203. Recessed portion; 204. Filter chamber;

[0033] 21. Filter body; 211. Filter frame; 2111. Accommodation groove; 2112. Sealing groove; 2113. Needle stopper; 2114. Clamping hole; 212. Filter cover; 2121. Cover; 2122. Guide portion; 2123. Elastic buckle;

[0034] 22. Handle; 221. Elastic claw; 222. Grip;

[0035] 23. Seals. DETAILED DESCRIPTION

[0036] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0037] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0038] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0039] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0040] See also Figures 1 to 11 This embodiment provides a drainage filtering device, including a shell 10 and a filter 20. A accommodating chamber 11 is formed inside the shell 10. The shell 10 is provided with a water inlet 12, a water outlet 13 and an installation port 14 that are connected to the accommodating chamber 11. A shielding portion 15 is protruded from the inner wall of the accommodating chamber 11 around the water inlet 12. The filter 20 is detachably arranged in the accommodating chamber 11 through the installation port 14. The filter 20 has an inlet 201 connected to the water inlet 12 and an outlet 202 connected to the water outlet 13. The shielding portion 15 blocks the gap between the water inlet 12 and the inlet 201.

[0041] Water flows into the filter 20 from the water inlet 12 of the housing 10, flows from the inlet 201 of the filter 20 to the outlet 202 of the filter 20, and is discharged from the water outlet 13. By protruding a shielding portion 15 at the water inlet 12 on the inner wall of the accommodating chamber 11, the shielding portion 15 blocks the gap between the water inlet 12 and the inlet 201, so that foreign matter entering from the water inlet 12 will not enter the gap between the filter 20 and the accommodating chamber 11, but will enter the interior of the filter 20 from the inlet 201 of the filter 20, thereby preventing foreign matter from causing the filter 20 to get stuck and ensuring that the filter 20 can be disassembled and cleaned regularly. Figure 9 The arrows shown in the figure are the direction of water flow.

[0042] The water inlet 12, the water outlet 13 and the installation port 14 can be arranged on the housing 10 according to actual needs. They can be arranged on the same side, adjacent sides or opposite sides of the housing 10 as needed. In this embodiment, the first direction and the second direction are defined with the housing 10 as a reference. Figure 1 As shown, the first direction is the Y direction, and the second direction is the X direction. The water outlet 13 and the mounting port 14 are located at both ends of the housing 10 in the first direction. The water inlet 12 is provided on the side of the housing 10. The shielding portion 15 protrudes from the inner wall of the accommodating cavity 11 in the second direction. When in use, the housing 10 is typically placed horizontally so that water inlet and outlet are both horizontal.

[0043] In this embodiment, the first direction is perpendicular to the second direction. In other embodiments, the angle between the second direction and the first direction can be set according to actual needs.

[0044] The filter 20 is detachably connected to the housing 10, allowing for easy removal and cleaning of the filter 20, thereby removing any foreign matter from the interior of the filter 20. Specifically, the filter 20 is inserted into the accommodating cavity 11 through the mounting opening 14 in a first direction. To prevent the shielding portion 15 from interfering with the insertion of the filter 20, a recessed portion 203 is formed on the filter 20 around the inlet 201. The filter 20 is inserted into the accommodating cavity 11 through the mounting opening 14, such that the shielding portion 15 is inserted into the recessed portion 203.

[0045] The recessed portion 203 provides clearance for the shielding portion 15, allowing the filter 20 to be smoothly inserted into the accommodating cavity 11. Furthermore, the shielding portion 15 and the recessed portion 203 cooperate to position the filter 20, preventing it from rotating within the accommodating cavity 11. This allows the filter 20 to be inserted into the accommodating cavity 11 in only one direction, preventing errors in the installation orientation. Consequently, the filter 20 can only be removed in a single direction, maintaining a horizontal position during removal and preventing the spillage of foreign matter.

[0046] For example, along the insertion direction of the filter 20, the cross-sectional area of the shielding portion 15 gradually increases so that the shielding portion 15 and the recessed portion 203 can be smoothly matched. The cross-sectional area of the shielding portion 15 is the area of the shielding portion 15 on a plane perpendicular to the first direction. The shielding portion 15 is protruded on the inner wall of the accommodating cavity 11 around the water inlet 12, but the shielding portion 15 is not limited to being annular. The projection of the shielding portion 15 along the second direction is rectangular, U-shaped, semicircular or semi-elliptical. Figure 4 As shown, the projection of the shielding portion 15 along the second direction is U-shaped.

[0047] The length of the shielding portion 15 protruding from the accommodating cavity 11 can be set according to actual needs. For example, the edge of the shielding portion 15 is flush with the inner edge of the inlet 201 of the filter 20. Figure 9 and Figure 10 Exemplarily, the shielding portion 15 is inserted into the inlet 201 of the filter 20 by a certain length to improve the shielding capability.

[0048] The outer shell 10 includes a shell 16, and the shielding part 15 is integrally formed with the shell 16; or, the shielding part 15 is detachably connected to the shell 16. The water inlet 12, the water outlet 13 and the installation port 14 are all arranged on the shell 16. The shielding part 15 is integrally formed with the shell 16, which is convenient for processing and production and ensures structural strength. The shielding part 15 is detachably connected to the shell 16 for easy replacement. The shielding part 15 can be a rigid part, and the function of the shielding part 15 is to use itself to protrude from the inner wall of the accommodating cavity 11 to play the role of blocking the gap. A sealing ring can be sandwiched between the shielding part 15 and the filter 20 to play the role of sealing the gap. The shielding part 15 can be a flexible part. When the filter 20 is assembled with the outer shell 10, the shielding part 15 is sandwiched between the inner wall of the accommodating cavity 11 and the filter 20. The shielding part 15 is squeezed to produce elastic deformation to play the role of blocking and sealing the gap.

[0049] The water inlet 12 can be an opening located on the housing 10, or it can be formed in the form of a section of water inlet pipe, thereby facilitating the communication between the water inlet 12 and other components, and the structure is simple and easy to install. The water outlet 13 can be an opening located on the housing 10, or it can be formed in the form of a section of water outlet pipe, thereby facilitating the communication between the water outlet 13 and other components, and the structure is simple and easy to install. The water inlet pipe and the water outlet pipe can be provided with external threads to facilitate connection with other components. The installation port 14 can be an opening located on the housing 10, or it can be formed in the form of a section of installation pipe, thereby facilitating the connection between the installation port 14 and the filter 20.

[0050] The filter 20 is inserted into the accommodating cavity 11 through the installation opening 14 along the first direction. The detachable connection between the filter 20 and the housing 10 can be a snap connection or a threaded connection. In this embodiment, the filter 20 is a detachable structure. Figures 5 to 11 As shown, the filter 20 includes a filter body 21 and a handle 22 , the handle 22 is rotatably connected to the filter body 21 , the inlet 201 and the outlet 202 are both provided on the filter body 21 , the filter body 21 is inserted into the accommodating cavity 11 , and the handle 22 is rotatably locked with the mounting port 14 .

[0051] During installation, the filter 20 is inserted into the accommodating cavity 11 through the installation opening 14, so that the filter body 21 is located in the accommodating cavity 11, the inlet 201 is aligned with the water inlet 12, and the outlet 202 is connected to the water outlet 13. The handle 22 is rotated to lock the handle 22 with the installation opening 14. During removal, the handle 22 is rotated to disengage the handle 22 from the installation opening 14 and the filter 20 is pulled out.

[0052] When inserting into the accommodating cavity 11, the whole is inserted to ensure the cooperation between the shielding part 15 and the recessed part 203. By setting the filter body 21 and the handle 22 as two parts, and the two parts are rotatably connected, the handle 22 will not drive the filter body 21 to rotate when it rotates, and the handle 22 plays a locking role.

[0053] The handle 22 can be threadedly connected to the mounting port 14. Specifically, a thread is provided on the inner wall of the mounting port 14, and the handle 22 is provided with an external thread. The handle 22 and the mounting port 14 can be snap-fitted. Specifically, a plurality of first protrusions are provided on the inner wall of the mounting port 14 at intervals along a first direction, and a first slot is formed between adjacent first protrusions. A plurality of second protrusions are provided on the outer wall of the handle 22 at intervals along the first direction. When the filter 20 is inserted into the accommodating cavity 11, the first protrusion and the second protrusion are misaligned, that is, the second protrusion is inserted into the position in the mounting port 14 where the first protrusion is not provided. After the filter 20 is inserted into the accommodating cavity 11, the second protrusion is inserted into the first slot between adjacent first protrusions by rotating the handle 22 90 degrees, thereby achieving snap-fitting. The first protrusion can extend in an arc shape around the circumference of the mounting port 14, and the second protrusion can extend in an arc shape around the circumference of the handle 22.

[0054] The handle 22 is rotatably connected to the filter body 21, with the rotation axis extending along a first direction. Specifically, a receiving groove 2111 is defined at one end of the filter body 21, and a latching groove is defined on the inner wall of the receiving groove 2111. An elastic claw 221 is provided at one end of the handle 22. The elastic claw 221 is inserted into the receiving groove 2111, latchingly engaging with the latching groove and capable of rotation along the latching groove. A gripping portion 222 is provided at the end of the handle 22, distal from the elastic claw 221, to facilitate rotation of the handle 22.

[0055] To ensure a tight seal between the filter 20 and the housing 10 and prevent water leakage, the filter 20 further includes a seal 23, which is sleeved over the filter body 21 and sandwiched between the filter body 21 and the housing 10. Specifically, a sealing groove 2112 is provided on the outer circumference of the filter body 21, into which the seal 23 is inserted. As the filter 20 is inserted into the accommodating cavity 11, the seal 23 is clamped and elastically deformed to provide a seal.

[0056] In this embodiment, the mounting opening 14 is a stepped opening, and the seal 23 abuts the stepped surface of the mounting opening 14, creating a larger contact area and providing a better seal. Specifically, the mounting opening 14 has two stepped surfaces, and the seal 23 abuts the stepped surface between the mounting opening 14 and the accommodating cavity 11. The mounting opening 14 includes a first opening and a second opening that communicate with each other. The diameter of the first opening is larger than the diameter of the second opening. The second opening is connected to the accommodating cavity 11, and the inner wall of the first opening is threaded.

[0057] A filter chamber 204 is formed within the filter body 21. Both the inlet 201 and the outlet 202 are in communication with the filter chamber 204. During use, water flows through the filter chamber 204 from the inlet 201 and flows out from the outlet 202. As the water flows through the filter chamber 204, foreign matter in the water is retained within the filter chamber 204. It will be appreciated that, to facilitate filtering of foreign matter, the bottom of the filter chamber 204 is lower than the bottom of the outlet 202, thereby retaining foreign matter within the filter chamber 204.

[0058] like Figure 6 and Figure 7 As shown, the filter body 21 is a detachable structure, which facilitates the removal of foreign matter remaining in the filter cavity 204. In this embodiment, the filter body 21 includes a detachably connected filter frame 211 and a filter cover 212. The filter cover 212 is disposed at one end of the filter frame 211, and the handle 22 is disposed at the other end of the filter frame 211. The inlet 201 is disposed on the side of the filter frame 211, and the outlet 202 is disposed on the filter cover 212. The filter frame 211 and the filter cover 212 enclose the filter cavity 204. After the filter 20 is removed from the housing 10, the filter cover 212 can be opened to clean foreign matter inside.

[0059] The filter cover 212 includes a cover body 2121 and a guide portion 2122. The cover body 2121 is connected to the filter frame 211. The guide portion 2122 is provided at the outlet 202 to guide the water out of the outlet 202. The guide portion 2122 is in a bell-shaped shape, and the bell mouth gradually increases in size along the direction of water flow, thereby preventing larger foreign matter from flowing out of the filter chamber 204.

[0060] The filter frame 211 includes a stopper needle 2113 , which is disposed in the filter cavity 204 and one end of which extends into the guide portion 2122 . The stopper needle 2113 cooperates with the guide portion 2122 to prevent foreign matter from flowing out of the filter cavity 204 .

[0061] The filter frame 211 and the filter cover 212 can be connected by snapping or threading. For example, the filter cover 212 is inserted into the filter frame 211. An elastic snap 2123 is provided on the outer wall of the filter cover 212. The filter frame 211 has a snap hole 2114, into which the elastic snap 2123 snaps. During installation, the filter cover 212 is inserted into the filter frame 211. The elastic snap 2123 snaps into the snap hole 2114 using its own elasticity. During removal, the filter cover 212 is pulled out by applying outward force.

[0062] This embodiment also provides a washing device, including a washing drum and the above-mentioned drainage and filtering device, wherein the washing drum has a drain port, which is connected to the water inlet 12. The drain port and the water inlet 12 can be connected directly or through a pipeline. The washing water discharged from the drain port enters the filter 20 from the water inlet 12, flows from the inlet 201 of the filter 20 to the outlet 202 of the filter 20, and is then discharged from the water outlet 13. By protruding a shielding portion 15 at the water inlet 12 on the inner wall of the accommodating chamber 11, the shielding portion 15 blocks the gap between the water inlet 12 and the inlet 201, so that foreign matter entering from the water inlet 12 will not enter the gap between the filter 20 and the accommodating chamber 11, but will enter the interior of the filter 20 from the inlet 201 of the filter 20, thereby preventing the filter 20 from being stuck due to foreign matter and ensuring that the filter 20 can be disassembled and cleaned regularly.

[0063] The washing device can be a washing machine or a shoe washer, and the drainage filter device can be arranged at the lower right side of the washing device. In the shoe washer, fine sand on the shoes will enter the filter 20 through the water inlet 12 of the housing 10 along with the washing water, and will not enter the gap between the filter 20 and the receiving chamber 11, thereby not affecting the removal of the filter 20.

[0064] The above embodiments merely illustrate the basic principles and features of the present invention. The present invention is not limited to the above embodiments. Various changes and modifications are possible without departing from the spirit and scope of the present invention. Such changes and modifications are within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A drainage filter device, characterized in that: include: A housing (10), wherein a housing (11) is formed inside the housing (10), and the housing (10) is provided with a water inlet (12), a water outlet (13), and a mounting port (14) that are in communication with the housing (11); a shielding portion (15) is protruded on the inner wall of the housing (11) around the water inlet (12); A filter (20) is detachably disposed in the accommodating cavity (11) through the mounting opening (14); the filter (20) has an inlet (201) communicating with the water inlet (12) and an outlet (202) communicating with the water outlet (13); and the shielding portion (15) shields a gap between the water inlet (12) and the inlet (201).

2. The drainage filter device according to claim 1, characterized in that: A recessed portion (203) is formed on the filter (20) around the inlet (201), and the filter (20) is inserted into the accommodating cavity (11) through the mounting opening (14), so that the shielding portion (15) is inserted into the recessed portion (203).

3. The drainage filter device according to claim 2, characterized in that: The filter (20) is inserted into the accommodating cavity (11) along a first direction, and the shielding portion (15) protrudes from the inner wall of the accommodating cavity (11) along a second direction, wherein the first direction is perpendicular to the second direction.

4. The drainage filter device according to claim 2, characterized in that: The water outlet (13) and the installation port (14) are arranged at opposite ends of the housing (10).

5. The drainage filter device according to claim 1, characterized in that: The filter (20) comprises a filter body (21) and a handle (22), wherein the handle (22) is rotatably connected to the filter body (21), the inlet (201) and the outlet (202) are both provided on the filter body (21), the filter body (21) is plugged into the accommodating cavity (11), and the handle (22) is rotatably locked with the mounting port (14).

6. The drainage filter device according to claim 5, characterized in that: The filter body (21) comprises a detachably connected filter frame (211) and a filter cover (212), wherein the filter cover (212) is arranged at one end of the filter frame (211), the handle (22) is arranged at the other end of the filter frame (211), the inlet (201) is arranged at the side of the filter frame (211), and the outlet (202) is arranged at the filter cover (212).

7. The drainage filter device according to claim 5, characterized in that: The installation opening (14) is a stepped opening, and the filter (20) further comprises a sealing member (23). The sealing member (23) is sleeved on the filter body (21) and abuts against the stepped surface of the installation opening (14).

8. The drainage filter device according to any one of claims 1 to 7, characterized in that: A sealing ring is sandwiched between the shielding portion (15) and the filter (20); or, the shielding portion (15) is a flexible member and is sandwiched between the inner wall of the accommodating cavity (11) and the filter (20).

9. The drainage filter device according to any one of claims 1 to 7, characterized in that: The housing (10) comprises a shell (16), and the shielding portion (15) and the shell (16) are integrally formed; or the shielding portion (15) and the shell (16) are detachably connected.

10. A washing device, characterized in that: It comprises a washing drum and the drainage filtering device according to any one of claims 1 to 9, wherein the washing drum has a drainage port, and the drainage port is communicated with the water inlet (12).

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