A reinforcing rib structure and a laundry treating apparatus

Abstract

The present invention provides a lifting rib structure, which includes a housing fixed on the inner wall of the washing tub. The housing and the inner wall of the washing tub jointly enclose an inner cavity. The inner cavity includes two independent parts. The filtering space exchanges water flow with the water in the washing tub through through holes provided on the housing, and the drainage space drains the water in the washing tub to a drainage port opened on the washing tub. The independent drainage space and filtering space provided in the lifting rib enable the lifting rib to filter the water in the washing tub and drain the water in the washing tub; and the filtering and drainage of the water in the washing tub do not affect each other. The present invention also provides a laundry treatment device, and the above-mentioned lifting rib structure is provided in the washing tub of the laundry treatment device.

Description

Technical Field

[0001] The present invention relates to the field of washing machines, and more particularly, to a lifting rib structure and a laundry treatment apparatus. Background Art

[0002] Lifting ribs for lifting water flow are often provided on the inner wall of the inner drum of a washing machine. Currently, in order to make full use of the space inside the lifting ribs, components required inside the washing machine can be arranged inside the lifting ribs. For example, for a washing machine without holes, a drainage device can be arranged using the lifting ribs. A drainage port is provided on the inner wall of the inner drum of the washing machine, the lifting rib covers the drainage port, and a drainage valve for correspondingly blocking the drainage port is arranged inside the lifting rib. The on-off of the drainage port is controlled by the drainage valve, so as to realize the functions of water inlet, washing, and drainage using one inner drum. Since the space occupied by the drainage valve is relatively small, there is still a relatively large amount of space left inside the lifting rib after the drainage valve is arranged. In order to save space, other components required inside the washing machine can also be arranged inside the lifting rib.

[0003] In summary, there is a need for a lifting rib structure with a reasonable internal structure, which can accommodate more components required inside the washing machine and realize more functions.

[0004] In view of the above problems, the present invention is specifically proposed. Summary of the Invention

[0005] The object of the present invention is to provide a lifting rib structure, which can not only discharge the water in the washing drum but also filter the water in the washing drum, and the filtering process and the drainage process do not affect each other. Another object of the present invention is to provide a laundry treatment apparatus, which can utilize the lifting rib to filter and discharge the water in the washing drum.

[0006] The present invention provides a lifting rib structure, which includes a housing fixed on the inner wall of the washing drum. The housing and the inner wall of the washing drum together enclose an inner cavity. The inner cavity includes two independent parts. The filtering space exchanges water flow with the water in the washing drum through a through hole provided on the housing, and the drainage space diverts the water in the washing drum to a drainage port opened on the washing drum. The independent drainage space and filtering space arranged inside the lifting rib enable the lifting rib to not only filter the water in the washing drum but also discharge the water in the washing drum, and the filtering and discharging of the water in the washing drum do not affect each other.

[0007] Furthermore, a drain valve for controlling the on-off of the water flow at the drain outlet is provided at the drain outlet, and the drain valve is arranged in the drain space; preferably, a drain cavity connected to the drain outlet for water flow to discharge and an installation cavity isolated from the drain outlet and blocking water flow are separated in the drain space; part of the structure of the drain valve is arranged in the installation cavity, and other structures of the drain valve are in the drain cavity; further preferably, a counterweight structure for driving the drain valve to lift and lower is arranged on the drain valve, the counterweight structure and part of the structure of the drain valve are arranged in the installation cavity, and other structures of the drain valve are arranged in the drain cavity.

[0008] A closed installation cavity and a drain cavity that can be connected to the water flow in the washing tub are separated in the drain space. By arranging the counterweight structure in the installation cavity, the counterweight structure will not contact the water flow during the lifting and lowering process, preventing the water flow from affecting the lifting and lowering of the counterweight structure.

[0009] Furthermore, the drain valve is arranged along the axial direction of the drain outlet, and one end of the drain valve far from the drain outlet is connected to the counterweight structure; the installation cavity and the drain cavity are arranged in sequence along the axial direction of the drain outlet from far to near the drain outlet. According to the setting position of the counterweight structure in the drain valve, the positions of the installation cavity and the drain cavity are reasonably arranged.

[0010] Furthermore, the specific structure of the installation cavity is: the installation cavity is a closed chamber connected to the outer shell; it includes a plurality of installation cavity side walls extending from the outer shell to the inner wall of the washing tub, and an installation cavity bottom wall connected to the bottom end surfaces of all the installation cavity side walls; an installation through hole is arranged at a position on the installation cavity bottom wall opposite to the drain valve, part of the drain valve is embedded in the installation through hole and penetrates into the installation cavity through the installation through hole, and the part of the drain valve penetrating into the installation cavity is connected to the counterweight structure.

[0011] Furthermore, a limiting groove for defining the lower limit position of the falling of the counterweight structure is arranged on the installation cavity bottom wall, and the counterweight structure falling to the limit position is embedded in the limiting groove; a fixing groove for fixing the drain valve is arranged on the installation cavity bottom wall, and the inner wall of the fixing groove is consistent with the partial outer contour of the drain valve, and part of the drain valve is embedded in the fixing groove. The structure of the installation cavity bottom wall is reasonably arranged, so that the drain valve can be fixed by using the fixing groove, and the drain valve can lift and lower along the set track. And by setting the limiting groove on the installation cavity bottom wall, the lower limit position of the counterweight structure can be defined.

[0012] Furthermore, the specific setting of the drain cavity is: an inlet gap is formed between the installation cavity bottom wall and the inner wall of the washing tub, and the inlet gap is connected to the inside of the washing tub; the area between the installation cavity bottom wall and the inner wall of the washing tub in the drain space forms the drain cavity.

[0013] Furthermore, the filtering space is a space connected to the outer shell, and a plurality of through holes for water flow to enter and exit are arranged on the outer shell corresponding to the filtering space; a filtering structure is arranged in the filtering space; preferably, an opening connected to the drain cavity is arranged in the filtering space.

[0014] Furthermore, the filtering space is enclosed by the side wall and the bottom wall of the filtering space. The side wall of the filtering space extends from the outer shell towards the inner wall of the washing cylinder. The filtering space is a closed structure, and the bottom wall of the filtering space is connected to the bottom ends of all the side walls of the filtering space. Alternatively, the filtering space has an opening, and the bottom wall of the filtering space is connected to the bottom ends of all the side walls of the filtering space except the side wall closest to the drain opening. There is a gap between the side wall closest to the drain opening and the bottom wall of the filtering space, and the gap forms the opening. The filtering space may also be provided with an opening connected to the drainage cavity, so that the sewage after filtering treatment can be discharged from the drain opening of the drainage cavity.

[0015] Furthermore, the installation cavity is arranged adjacent to the filtering space. The installation cavity and the filtering space have a common side wall. The common side wall extends from the outer shell above the inner wall of the washing cylinder, and the bottom wall of the installation cavity is connected to the bottom end face of the common side wall. The installation cavity can be arranged adjacent to the filtering space to save space in the inner cavity of the lifting rib.

[0016] The present invention also provides a laundry treating apparatus, in which the lifting rib structure as described above is arranged in the washing cylinder of the laundry treating apparatus.

[0017] Adopting the above technical solutions, the present invention has the following beneficial effects compared with the prior art:

[0018] 1) For the lifting rib provided by the present invention, an independent drainage space and a filtering space are arranged inside the lifting rib. The drainage space can discharge the water flow in the washing cylinder from the drain opening, so that the lifting rib can realize the drainage function; the filtering space can filter the water flowing into the washing cylinder through the through holes, so that the lifting rib realizes the filtering function. And being set as independent spaces can make the realization of the drainage function and the filtering function have no influence on each other.

[0019] 2) The structure of the drainage space provided by the present invention is reasonably arranged, separating a closed installation cavity without water flow, and arranging the counterweight structure in the installation cavity, so that the counterweight structure does not contact the water flow, thereby preventing the water flow from affecting the normal lifting movement of the counterweight structure. A drainage cavity that can be connected to the water flow in the washing cylinder is also separated in the drainage space, so that the water in the washing cylinder can be discharged by using the drainage cavity. And the arrangement positions of the drainage cavity and the installation cavity in the drainage space are arranged according to the position of the counterweight structure in the drain valve and the setting position of the drain opening, and the arrangement is reasonable.

[0020] 3) The installation cavity of the present invention is directly connected to the outer shell, and the outer shell is used to enclose a closed chamber. Moreover, the bottom wall of the installation cavity is reasonably arranged, so that the drain valve can penetrate through the through hole in the bottom wall to enable the counterweight structure to be arranged in the installation cavity. And a fixing groove is arranged at the bottom of the bottom wall of the installation cavity, and the drain valve can be fixed and limited through the fixing groove, so that the drain valve moves along a set track. And a limiting groove for defining the lower limit position of the counterweight structure is arranged on the bottom wall of the installation groove, so that during the process of blocking the drain opening, the counterweight structure is ensured to finally descend to the position of the limiting groove, and further the valve core moves to a corresponding set position to achieve good blocking of the drain opening.

[0021] 4) The drainage cavity of the present invention is reasonably arranged at the bottom of the installation cavity in the drainage space and is enclosed by the bottom of the installation cavity and the inner wall of the washing cylinder. Since there is a water inlet gap between the bottom wall of the installation cavity and the inner wall of the washing cylinder, the drainage cavity can be filled with water from the washing cylinder and achieve the effect of draining the water in the washing cavity.

[0022] 5) The filtering space provided by the present invention is reasonably arranged and is connected to the outer shell. And through holes are arranged on the outer shell corresponding to the filtering space, so that the filtering space can exchange water flow with the water flow in the washing cylinder through the through holes. Furthermore, the filtering space filters the water in the washing cylinder, and the water flow after being filtered by the filtering space can flow back into the washing cylinder. The filtering space can also be provided with an opening connected to the drainage cavity, so that the sewage after being filtered can be discharged from the drain opening of the drainage cavity.

[0023] 6) The filtering space and the drainage space of the present invention can be arranged adjacent to each other to save the space in the inner cavity of the lifting rib, and the installation cavity of the filtering space and the drainage space have a common side wall to save materials. The structure design of the common side wall is reasonable, and there is a gap between the common side wall and the inner wall of the washing cylinder, so that the filtering space can be connected to the drainage cavity.

[0024] The following further describes in detail the specific embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, as a part of the present invention, are used to provide a further understanding of the present invention. The schematic embodiments and descriptions thereof of the present invention are used to explain the present invention, but do not constitute an improper limitation to the present invention. Obviously, the accompanying drawings in the following description are only some embodiments, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0026] Figure 1 is a schematic diagram of the lifting rib in the inner wall of the washing cylinder in the present invention;

[0027] Figure 2 is a schematic diagram of the lifting rib with the drain opening arranged outside the filtering cavity in the present invention;

[0028] Figure 3 Schematic diagram of the lifting rib where the drain outlet is arranged in the filtering cavity in the present invention;

[0029] Figure 4 Schematic diagram of another form of the filtering structure of the present invention.

[0030] Figure 5 Side view schematic diagram of the lifting rib housing in the present invention;

[0031] Figure 6 Schematic diagram of another form of the comb-shaped filtering structure of the present invention;

[0032] Figure 7 Schematic diagram of the side cross-section of the inner cavity of the lifting rib when the filtering space is not closed in the present invention;

[0033] Figure 8 Schematic diagram of the side cross-section of the inner cavity of the lifting rib when the filtering space is closed in the present invention;

[0034] Figure 9 Top view schematic diagram of the lifting rib of the present invention.

[0035] Explanation of the reference numerals in the drawings: 1. Housing; 2. Through hole; 3. Inner wall of the washing cylinder; 4. Inner cavity; 5. Filtering structure; 6. Drain outlet; 7. Filtering cavity; 8. Side wall; 9. Diversion side wall; 10. Opening; 11. Diversion plate; 12. Filtering section; 13. Filter net; 14. Comb-shaped filtering structure; 15. Drain valve; 16. Lifting rib; 17. Comb teeth; 18. Inner surface of the side wall; 19. Cylindrical rod; 20. Filter rod; 21. Filtering space; 22. Installation cavity; 23. Counterweight structure; 24. Side wall of the installation cavity; 25. Bottom wall of the installation cavity; 26. Installation through hole; 27. Limiting groove; 28. Fixing groove; 29. Side wall of the filtering space; 30. Bottom wall of the filtering space; 31. Gap; 32. Common side wall; 33. Installation hole; 34. Positioning column; 35. Drainage space; 36. Drainage cavity; 37. Water inlet gap.

[0036] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed implementation manners

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will describe the embodiments in detail with reference to the accompanying drawings in the embodiments of the present invention.

[0038] Embodiment 1

[0039] On the inner wall 3 of the washing tub, lifting ribs 16 for lifting water flow are often provided. The lifting ribs 16 include a housing 1 which is arranged on the inner wall 3 of the washing tub. An inner cavity 4 is formed between the housing 1 and the inner wall 3 of the washing tub. The inner cavity 4 has a certain volume. In order to make full use of the space and save the volume, components required in the washing machine can be arranged in the inner cavity 4 of the lifting ribs 16. For example, for the current non-perforated washing machine, there is a patent for arranging a drainage device in the inner cavity 4 of the lifting ribs 16. In a non-perforated washing machine, a drain port 6 is usually arranged on the inner wall 3 of the washing tub. Each lifting rib 16 covers at least one drain port 6. A drain valve 15 for blocking the drain port 6 is correspondingly arranged at the position of the drain port 6 in the inner cavity 4 of the lifting rib 16. The on-off of the drain port 6 can be controlled by controlling the drain valve 15. Such an arrangement enables the closing of the drain port 6 through one washing tub, so that the washing machine can intake water and wash; and enables the opening of the drain port 6 for drainage. That is, by only arranging one washing tub, all the washing processes such as water intake, washing, dehydration, and drainage of the washing tub can be realized.

[0040] Moreover, other washing machine components such as a filtering device can also be arranged in the lifting ribs 16, but the arrangement of other washing machine components may affect the operation of the drainage device. For the above technical problems, a lifting rib structure is currently needed. The internal structure of the lifting rib is reasonably designed so that multiple components required in the washing machine can be arranged in the lifting rib at the same time, and the multiple components do not affect each other.

[0041] To solve the above technical problems, the present invention provides the lifting rib 16 as shown in the figure. The inner cavity 4 of the lifting rib 16 of the present invention includes two independent parts: a filtering space 21 and a drainage space 35. The filtering space 21 is used for filtering the water flow in the washing tub, and the drainage space 35 is used for draining the water in the washing tub. A through hole 2 for exchanging water flow with the water flow in the washing tub is arranged on the housing 1. The filtering space 21 covers the through hole 2 arranged on the housing 1, that is, the filtering space 21 can exchange water flow with the water flow in the washing tub. That is, the filtering space 21 filters the water flow flowing into the filtering space 21 from the washing tub and drains the filtered clean water flow back into the washing tub 5. A drain port 6 for draining the water in the washing tub is arranged on the inner wall 3 of the washing tub. The drainage space 35 covers at least one drain port 6. The drainage space 35 can divert the water in the washing tub to the drain port 6 opened on the inner wall 3 of the washing tub to achieve the drainage effect.

[0042] Such as Figure 7 、 3As shown, a drain valve 15 for controlling the water flow on-off of the drain port 6 is provided at the drain port 6. The drain valve 15 includes a liftable valve core, and the valve core can correspondingly block the drain port 6. That is, as shown in the figure, when the valve core descends, it blocks the drain port 6, preventing the water flow from being discharged from the drain port 6; when the valve core ascends, the valve core no longer blocks the drain port 6, allowing the water flow to be discharged from the drain port 6. The lifting of the valve core is realized by a counterweight structure 23 connected to the valve core to drive its lifting. That is, the counterweight structure 23 itself can be lifted and has a relatively large self-gravity, and the lifting of the counterweight structure 23 can drive the valve core connected thereto to lift and lower.

[0043] The drainage space 35 is further divided into two independent installation cavities 22 and a drainage cavity 36. Among them, the installation cavity 22 is a closed cavity where water flow cannot enter. The counterweight structure 23 and part of the structure of the drain valve 15 are arranged in the installation cavity 22, so that the lifting movement of the counterweight structure 23 will not be affected by the water flow. For example, when there are impurities such as lint in the water flow in the washing tub, if the water flow enters the installation cavity 22, it will cause the impurities such as lint to possibly wind around the counterweight structure 23, which may affect the normal lifting of the counterweight structure 23, and further cause the valve core to not accurately reach the set position and not accurately control the water flow on-off at the drain port 6. Therefore, the installation cavity 22 for installing the counterweight structure 23 should be a closed cavity where water flow cannot enter. And the drainage space 35 should also include a drainage cavity 36 for discharging the water flow. The other structures of the drain valve 15 that are not arranged in the installation cavity 22 and the drain port 6 are all arranged in the drainage cavity 36. Since the drainage cavity 36 serves the purpose of draining water, the drainage cavity 36 should allow the water in the washing tub to flow in and be discharged from the drain port 6. Therefore, the drainage cavity 36 is arranged as an unclosed cavity.

[0044] Or when the drain valve 15 is a valve controlled and driven by relying on other structures, for example, when the drain valve 15 is a solenoid valve, the electromagnetic components and other components that may be affected by the water flow can be arranged in the installation cavity 22, and the other devices of the drain valve 15 can be arranged in the drainage cavity 36.

[0045] Such as Figure 7 、 8As shown in the figure, from the working principle of the above-mentioned drain valve 15, it can be known that the drain valve 15 should be arranged along the axial direction of the drain port 6, and one end of the drain valve 15 far from the drain port 6 is connected to the counterweight structure 23. When the counterweight structure 23 of the drain valve 15 descends, the valve core can be driven to descend, thereby enabling the valve core to block the drain port 6 and the drain port 6 to be sealed; when the counterweight structure 23 of the drain valve 15 ascends, the valve core is driven to ascend, so that water can be discharged from the drain port 6. As shown in the figure, the installation cavity 22 and the drain cavity 36 are arranged in sequence along the axial direction of the drain port 6 from far away from the drain port 6 to near. As described above, the counterweight structure 23 is arranged at one end of the drain valve 15 far from the drain port 6. Therefore, the installation cavity 22 for accommodating the drain valve 15 should be arranged at a position far from the drain port 6 along the axial direction of the drain port 6. That is, the installation cavity 22 and the drain cavity 7 can be arranged up and down as shown in the figure.

[0046] As described above, in order to prevent the water flow in the washing tub from flowing into the installation cavity 22, the installation cavity 22 should be set as a closed chamber. And it has been discussed above that the installation cavity 22 needs to be arranged on the side of the drain space 35 far from the drain port 6, the drain port 6 is arranged on the inner wall 3 of the washing tub, and the outer shell 1 is far from the inner wall 3 of the washing tub. Therefore, the outer shell 1 can be used to enclose the installation cavity 22. Specifically, as shown in the figure, the installation cavity 22 is a closed chamber connected to the outer shell 1; it includes a plurality of installation cavity side walls 24 extending from the outer shell 1 to the inner wall 3 of the washing tub, and an installation cavity bottom wall 25 connected to the bottom end surfaces of all the installation cavity side walls 24. An installation through hole 26 is arranged at a position on the installation cavity bottom wall 25 opposite to the drain valve 15. A part of the drain valve 15 is embedded in the installation through hole 26 and penetrates into the installation cavity 22 through the installation through hole 26. The part of the drain valve 15 penetrating into the installation cavity 22 is connected to the counterweight structure 23. In order to ensure the sealing performance, a sealing structure can also be arranged at the position of the installation through hole 26 to prevent water leakage at the installation through hole 26.

[0047] As Figure 7 、 8As shown, a limiting groove 27 for defining the lower limit position of the counterweight structure 23 is provided on the bottom wall 25 of the installation cavity. The counterweight structure 23 that has dropped to the limit position is embedded in the limiting groove 27. The counterweight structure 23 can move up and down. Under the action of centrifugal force, the counterweight structure 23 descends. When the counterweight structure 23 descends to the set position, the drain port 6 will be released from the block. In order to ensure the sealing performance when the drain port 6 is blocked, the lower limit position of the counterweight structure 23 should be defined, so that when the counterweight structure 23 moves to the lower limit position, the descending position of the corresponding valve core is defined, and then the valve core can be moved to the position where the drain port 6 needs to be blocked. By providing the limiting groove 27 on the bottom wall 25 of the installation cavity, since the limiting groove 27 can be embedded with a part of the structure of the counterweight structure 23 that has dropped to the limit position, once the counterweight structure 23 drops to the position of the limiting groove 27, it will be embedded and limited. Ensure that when blocking the drain port 6, the counterweight structure 23 moves to the position of the limiting groove 27, and then ensure that the valve core is limited to move to the position of blocking the drain port 6, realizing a good block of the drain port 6.

[0048] As Figure 7 , 8 As shown, a fixing groove 28 for fixing the drain valve 15 is provided on the bottom wall 25 of the installation cavity. The inner wall of the fixing groove 28 is consistent with a part of the outer contour of the drain valve 15, and a part of the drain valve 15 is embedded in the fixing groove 28. On the bottom end surface of the bottom wall 25 of the installation cavity, a fixing groove 28 protruding from the bottom wall 25 of the installation cavity towards the outer shell 1 is provided. The inner wall of the fixing groove 28 is consistent with a part of the outer contour of the drain valve 15, so that a part of the structure of the drain valve 15 can be embedded in the fixing groove 28. By providing the fixing groove 28, the drain valve 15 can be limited and fixed, and then ensure that the drain valve 15 moves along the direction defined by the fixing groove 28. Specifically, the fixing groove 28 has a cylindrical groove structure, and the cylindrical groove structure can just embed the valve core of the drain valve 15, so that the valve core moves up and down along the cylindrical groove structure during the lifting process.

[0049] Since in the drainage space 35, the lower part of the installation cavity 22 is the drainage cavity 36, the bottom wall of the installation cavity 22 needs to form a water inlet gap 37 with the inner wall 3 of the washing tub, and the water inlet gap 37 is communicated with the inside of the washing tub. That is, through the setting of the water inlet gap 37, the water flow inside the washing tub can enter the drainage cavity 36 and then be discharged from the drainage cavity 36. Since the lifting ribs 16 themselves need to be installed on the inner wall 3 of the washing tub, a bottom plate needs to be provided at the position where the lifting ribs 16 are close to the inner wall 3 of the washing tub, and the lifting ribs 16 are fixed to the inner wall 3 of the washing tub through the bottom plate. Preferably, in order to save materials, the bottom plate of the lifting ribs 16 can be set as the same plate as the bottom wall 25 of the installation cavity 22 of the installation cavity 22, as Figures 7 - 9As shown in the figure, the bottom of the mounting cavity bottom wall 25 of the mounting cavity 22, which is located between the mounting cavity side walls 24 of the mounting cavity 22, can be in contact with the inner wall 3 of the washing tub, that is, the part of the mounting cavity bottom wall 25 that encloses the mounting cavity 22 is in contact with the inner wall 3 of the washing tub, and there is no gap between the mounting cavity bottom wall 25 and the inner wall 3 of the washing tub at the said position, so as to ensure that the water in the washing tub will not flow into the mounting cavity 22 and ensure the sealing performance of the mounting cavity 22. And as Figure 5 As shown in the figure, the part of the mounting cavity bottom wall 25 located outside the mounting cavity 22 can be set to a structure that is not completely in contact with the inner wall 3 of the washing tub, and there is a water inlet gap 37 between the mounting cavity bottom wall 25 and the inner wall 3 of the washing tub, so that the water flow in the washing tub can flow into the drainage cavity 36 through the water inlet gap 37. As shown in the figure, the area between the mounting cavity bottom wall 25 of the mounting cavity 22 and the inner wall 3 of the washing tub in the drainage space 35 constitutes the drainage cavity 36. The water in the washing tub flowing in through the water inlet gap 37 can be discharged through the drainage device in the drainage cavity 36. That is, the setting of the drainage cavity 36 allows the water in the washing tub to flow in through the water inlet gap 37 and finally be discharged at the drainage port 6.

[0050] As Figure 7 , 8 As shown in the figure, the filtering space 21 is a space connected to the housing 1, and a filtering structure 26 is provided in the filtering space 21. A plurality of through holes 2 for water flow to enter and exit are provided on the housing 1 corresponding to the filtering space 21. Through the setting of the through holes 2, the water in the washing tub can enter the filtering space 21 through the through holes 2 and be filtered through the filtering space 21. The filtering space 21 can be a closed space, so that the water in the washing tub flowing in through the through holes 2 on the housing 1 can be filtered through the filtering space 21 and finally discharged into the washing tub again through the through holes 2, achieving the effect of filtering the water in the washing tub. Or the filtering space is an unclosed space, and an opening 10 connected to the drainage cavity 36 is provided; thus, the sewage filtered in the filtering space 21 can be discharged through the drainage port 6.

[0051] As Figure 7 , 8As shown in the figure, the filtration space 21 is surrounded by the side wall 29 of the filtration space and the bottom wall 30 of the filtration space. The side wall 29 of the filtration space extends from the housing 1 to the inner wall 3 of the washing cylinder. When the filtration space 21 is a closed structure, the bottom wall 30 of the filtration space is connected to the bottom end surfaces of all the side walls 29 of the filtration space, that is, a closed structure is formed by the bottom wall 30 of the filtration space and the side walls 29 of the filtration space together. When the filtration space 21 has an opening 10, the bottom wall 30 of the filtration space is connected to the bottom end surfaces of all the side walls 29 of the filtration space except the side wall 29 of the filtration space closest to the drain port 6. There is a gap 31 between the side wall 29 of the filtration space closest to the drain port 6 and the bottom wall 30 of the filtration space, and the gap 31 forms the opening 10. That is, when the filtration space 21 is not closed, the opening 10 can be directly formed by the gap 31 between the side wall 29 of the filtration space and the bottom wall 30 of the filtration space, so that the filtered sewage water flow can flow from the opening 10 to the drain cavity 36 for drainage.

[0052] In the inner cavity 4 of the lifting rib 16, the filtration space 21 and the drainage space 35 are two independent spaces, and the two can be arranged arbitrarily. However, in order to save space and make the structure arrangement in the inner cavity 4 compact, the filtration space 21 and the drainage space 35 can be arranged adjacent to each other. As can be seen from the foregoing, the installation cavities 22 in the filtration space 21 and the drainage space 35 are both connected to the housing 1. Therefore, for the compactness of the space, the installation cavity 22 can be arranged adjacent to the filtration space 21. And in order to save materials, the installation cavity 22 and the filtration space 21 have a common side wall 32. The common side wall 32 extends from the housing 1 above the inner wall 3 of the washing cylinder, and the bottom wall 25 of the installation cavity 22 of the installation cavity is connected to the bottom end surface of the common side wall 32. The common side wall 32 does not abut against the inner wall 3 of the washing cylinder, so that the filtration space 21 can use the gap between the common side wall 32 and the inner wall 3 of the washing cylinder as the opening 10 for draining water to the drain cavity 36. And the common side wall 32 does not abut against the inner wall 3 of the washing cylinder, so that the area between the bottom wall 25 of the installation cavity 22 of the installation cavity and the inner wall 3 of the washing cylinder just constitutes the space of the drain cavity 36, and most of the structure of the drain valve 15 is just arranged in the space of the drain cavity 36.

[0053] As shown in the figure, the adjacent filtration space 21 is arranged in the hollow position inside the lifting rib 16. A fixing device for fixing the lifting rib 16 is arranged outside the drainage space 35 and the filtration space 21 inside the lifting rib 16. In the present invention, the fixing device is arranged outside the drainage space 35 and the filtration space 21, so that when installing the lifting rib 16, installing the fixing device will not affect the filtration space 21 and the drainage space 35. The fixing device includes an installation hole 33 arranged on the inner wall 3 of the washing cylinder and a positioning column 34 correspondingly inserted into the installation hole 33. In this way, when installing the lifting rib 16, the lifting rib 16 can be initially positioned by inserting the positioning column 34 into the installation hole 33. Then, the lifting rib 16 can be fastened to the inner wall 3 of the washing cylinder by screws or the like.

[0054] The lifting rib 16 provided by the present invention includes a drainage space 35 and a filtering space 21 which are independent of each other, so that the filtering space 21 of the lifting rib 16 can be used to filter the water in the washing tub, and the water in the washing tub can be drained through the drainage space 35 of the lifting rib 16. In addition, due to the reasonable arrangement of the filtering space 21 and the drainage space 35, the two do not affect each other.

[0055] Example 2

[0056] Lifting ribs for lifting water flow are provided on the inner wall 3 of the washing drum. At present, there is a patent that can introduce water in the washing drum into the lifting ribs, and filter the water in the washing drum by setting a filtering structure in the lifting ribs. However, the lifting ribs with filtering structures at present can often only collect the filtered impurities such as wire scraps in the lifting ribs, and the lifting ribs need to be cleaned regularly to remove the impurities. This will result in that after long-term use, a lot of wire scraps and other debris may remain on the filtering structure set in the lifting ribs, which will affect the filtering effect of the filtering structure. Since the filtering structure in the lifting ribs cannot clean itself, it is necessary to clean the filtering structure regularly, which is troublesome. In view of the above technical problems, the present invention provides a lifting rib structure 16, and the filtering structure 5 in the lifting ribs 16 can clean itself, and the filtering structure 5 can be kept clean and the filtering effect can be guaranteed without manual cleaning of the filtering structure 5.

[0057] The lifting rib 16 provided in this embodiment includes a shell 1 arranged on the inner wall 3 of the washing drum, the shell 1 forms the outer contour of the lifting rib 16, and an inner cavity 4 is formed between the shell 1 and the inner wall 3 of the washing drum, and the inner cavity 4 is the internal space of the lifting rib 16. The shell 1 is provided with a through hole 2 for water to flow in and out, so that the water in the washing drum can flow into the inner cavity 4 of the lifting rib 16 through the through hole 2, and the water flow in the inner cavity 4 of the lifting rib 16 can flow out of the inner cavity 4 through the through hole 2. A filtering structure 5 is arranged in the inner cavity 4, so that the water flowing through the inner cavity 4 of the lifting rib 16 can be filtered by the filtering structure 5. A plurality of drain ports 6 for discharging the water in the washing drum are arranged on the inner wall 3 of the washing drum, and the inner cavity 4 covers at least one drain port 6. Such a configuration allows the water flow to flow into the inner cavity 4 of the lifting rib 16 from the through hole 2, and then the water in the washing drum that flows into the inner cavity 4 is discharged through the drain port 6. That is, the drainage flow in the washing drum includes a drainage path flowing from the through hole 2 to the drainage port 6. Since the inner cavity 4 covers at least one drainage port 6, the inner cavity 4 includes at least one drainage path as described above, and a filter structure 5 is arranged in the inner cavity 4, so that the drainage path can pass through the filter structure 5 in the inner cavity 4. In this way, the filter structure 5 can be flushed by the drainage flowing along the drainage path, so that the impurities such as wire scraps remaining on the filter structure 5 can be washed away by the drainage water flow, thereby achieving the effect of cleaning the filter structure 5.

[0058] As shown in the figure, a drain valve 15 for controlling the connection or disconnection between the drain port 6 and the inner cavity 4 is provided at the drain port 6. When the drain valve 15 controls the connection between the drain port 6 and the inner cavity 4, the inner cavity 4 can be connected to the drain port 6, and a drain water flow for discharging the water in the washing tub from the through hole 2 to the drain port 6 is formed in the inner cavity 4. The filtering structure 5 is arranged at the position where the drain water flow passes through, so that the drain water flow can wash the filtering structure 5 and wash away the impurities such as lint remaining on the filtering structure 5, thereby achieving the effect of cleaning the filtering structure 5. When the drain valve 15 controls the disconnection between the drain port 6 and the inner cavity 4, the inner cavity 4 forms a closed structure except for the through hole 2, and a flushing water flow that reciprocates between the inner cavity 4 and the washing tub and enters and exits through the through hole 2 is formed in the inner cavity 4. Along with the rotation of the washing tub during washing, the through hole 2 will rotate to different positions. When the through hole 2 is in some positions, the water in the washing tub is likely to flow into the inner cavity 4, and when the through hole 2 is in some positions, the water in the inner cavity 4 is likely to flow into the washing tub. That is, there is a water flow that reciprocates between the washing tub and the inner cavity 4, achieving the effect of repeatedly flushing the inner cavity 4 and forming a flushing water flow. The filtering structure 5 is arranged in the inner cavity 4 at the position where the flushing water flow passes through, so that the flushing water flow is filtered by the filtering structure 5 during the flushing process, achieving the effect of filtering the water flow in the washing tub. In the figure, the drain valve 15 is shown to be arranged above the drain port 6, and by controlling whether the drain port 6 is connected to the inner cavity 4, it is possible to control whether the water flow is discharged from the drain port 6. Additionally, the drain valve 15 can also be arranged below the drain port 6 to directly control whether the water flow at the drain port 6 can flow outside the washing tub wall.

[0059] As Figures 2 - 4As shown, the filtering structure 5 includes various filtering structures such as a filter net 13 and a comb-shaped filtering structure 14. In order to enable the water in the washing tub to wash the filtering structure 5 and be filtered by the filtering structure 5, the position of the filtering structure 5 arranged in the inner cavity 4 should also be reasonable, which is conducive to the filtering process of the filtering structure 5 and conducive to washing away the lint and other sundries remaining on it. The filtering structure 5 includes a filtering section 12 that intercepts sundries in the water flow. After the filtering section 12 filters the sundries during the filtering process, the sundries will adhere to the filtering section 12. In order to ensure the filtering effect of the filtering structure 5, it is necessary to make the flushing water flow through the filtering section 12, and when using the draining water flow to wash the filtering structure 5, it is also necessary for the draining water flow to flow through the surface of the filtering section 12 to wash away the lint and other impurities remaining on the filtering section 12. Among them, as shown in the figure, the filtering section 12 can be the cross-section of the filter net 13; or it can be the cross-section of the comb-shaped filtering structure 14 that can intercept lint and other slag, for example, as shown in the figure, each row of comb-shaped protrusions forms a plane parallel to the side wall 8 of the set through hole 2 to intercept impurities. The cross-sections in these filtering structures are used as the filtering section 13 to intercept lint and other impurities. The water flow direction in the inner cavity 4 at the position of the filtering section 12 forms an angle with the filtering section 12. This makes it certain that the flushing water flow and the draining water flow will flow through the filtering section 12, so that the flushing water flow is filtered by the filtering section 12 and the draining water flow can wash away the lint and other sundries remaining on the surface of the filtering section 12. Preferably, the water flow direction in the inner cavity 4 at the position of the filtering section 12 is perpendicular to the filtering section 12. Preferably, the flushing water flow and the draining water flow are perpendicular to the filtering section 12. In this way, the contact area between the draining water flow, the flushing water flow and the filtering section 12 is the largest, which is more conducive to the filtering of the flushing water flow, and the draining water flow washes away the sundries during the flowing process. The above-mentioned plane for intercepting impurities only needs to be washed by the draining water flow to wash away the impurities on it. Therefore, both the draining water flow and the flushing water flow at the position of the filtering section 13 intersect with the filtering section 13. Or if it is other types of filtering structures 5, it is also necessary for the draining water flow and the flushing water flow to flow through the position of the filtering section 12.

[0060] More preferably, the filtering section 12 is arranged parallel to the side wall 8 of the housing 1 where the through hole 2 is provided. Since the through hole 2 is provided on the side wall 8 for water inlet, arranging the filtering section 12 parallel to the side wall 8 makes the water flow entering from the through hole 2 on the side wall 8 perpendicular to the filtering section 12. And whether it is the above-mentioned flushing water flow or the drainage water flow, both enter the inner cavity 4 from the through hole 2. Arranging the filtering section 12 at a position parallel to the side wall 8 where the through hole 2 is provided, thus making it easier for the drainage water flow entering the inner cavity 4 to flush the filtering section 12, and the flushing water flow entering the inner cavity 4 can be filtered. And the filtering section 12 projects onto the side wall 8, and the projection covers at least some of the through holes 2 on the side wall 8; preferably, the projection covers all the through holes 2 on the side wall 8. Only in this way can the water flow entering from the through hole 2 on the side wall 8 flow towards the filtering section 12. That is, for the filter net 13, the filter net 13 needs to be arranged parallel to the side wall 8, so that the drainage water flow flowing in from the through hole 2 of the side wall 8 can directly flow towards the filter net 13, achieving the effect that the flushing water flow passes through the filter net 13 for filtration and the drainage water flow flushes the filter net 13.

[0061] More preferably, as shown in the figure, the filtering section 12 is arranged at a position close to the side wall 8 in the filtering cavity 7. Since the water inlet through hole 2 is provided on the side wall 8, arranging the filtering section 12 close to the side wall 8 makes the filtering section 12 close to the water inlet through hole 2. The water flow entering the inner cavity 4 is definitely larger closer to the water inlet. Therefore, arranging the filtering section 12 close to the water inlet through hole 2 can enable the filtering section 12 to be flushed by a larger water flow, thereby facilitating the cleaning of impurities such as lint remaining on the filtering structure 5. And the water flow rate is the largest at the position of the through hole 2. Arranging the filtering section 12 on the side wall 8 close to the through hole 2 can make the filtering section 12 filter a larger amount of water flow entering the inner cavity 4, thereby achieving a better filtering effect. Among them, the lifting ribs 16 extend along the axial direction of the washing cylinder, through holes 2 are provided on both circumferential sides of the lifting ribs, and the filtering structure 5 is arranged at a position close to the through holes 2.

[0062] Specifically, such as Figures 2 - 4As shown, a diversion side wall 9 for guiding the drainage water flow and the cleaning water flow is provided inside the lifting rib 16. The diversion side wall 9, the side wall 8 of the housing 1 provided with the through holes 2, and the inner wall 3 of the washing tub enclose a filtering cavity 7. The filtering cavity 7 at least covers some of the through holes 2 on the side wall 8. The filtering structure 5 is arranged in the filtering cavity 7. That is, the filtering cavity 7 communicates the through holes 2 of the housing 1 with the drain opening 6 on the inner wall 3 of the washing tub to drain the water in the washing tub. And the filtering structure 5 is arranged in the filtering cavity 7. When the water in the inner tub of the washing machine flows along the filtering cavity 7, the filtering structure 5 in the filtering cavity 7 can be cleaned. In this embodiment, the position and structure of the lifting rib 16 on the inner wall 3 of the washing tub are reasonably arranged, so that a filtering cavity 7 for guiding the above-mentioned drainage water flow and flushing water flow can be formed inside the cavity 4 of the lifting rib 16, so that the flushing water flow can flow through the filtering structure 5 under the guidance of the filtering cavity 7 and be filtered by the filtering structure 5, and the drainage water flow can flow through the filtering structure 5 under the guidance of the filtering cavity 7. In this way, the filtering structure 5 can be automatically cleaned by using the water flow of the drainage in the washing tub.

[0063] As can be seen from the above, the drainage water flow in the filtering cavity 7 is the water supply for cleaning the filtering structure 5, and it should be ensured that there is sufficient water flow in the filtering cavity 7 during drainage. Therefore, a partition-like structure can be arranged in the cavity 4 of the lifting rib 16. The partition-like structure can enclose the filtering cavity 7, so that the filtering cavity 7 provided with the partition-like structure for water diversion can make the drainage flow along a set track, and then control the water flow to flow through the structure 5 better. As shown in the figure, the housing 1 of the lifting rib 16 includes a plurality of side walls 8, and a plurality of through holes 2 are arranged on the side walls 8; two diversion side walls 9 enclosing the filtering cavity 7 are connected to the side walls 8, and the diversion side walls 9 can be arranged perpendicular to the side walls 8 and extend from the side walls 8 to the inner wall 3 of the washing tub. The area on the side wall 8 between the diversion side walls 9 at least covers some of the through holes 2 on the side wall 8, and the filtering structure 5 is arranged between the two diversion side walls 9; preferably, the area between the diversion side walls 9 covers all the through holes 2 on the side wall 8. The said diversion side wall 9 is a partition-like guiding structure. Through the limitation of the diversion side wall 9, the drainage water flow and the flushing water flow can only flow within the range between the diversion side walls 9, avoiding that if the flow range of the drainage water flow is too wide, the drainage water flow will be too divergent, resulting in insufficient impact force of the drainage water flow and affecting the cleaning effect of the filtering structure 5.

[0064] The specific structure of the above-mentioned filtration chamber 7 provided by the diversion side walls 9 is further divided into two types. One is the case where the drain opening 6 on the inner wall 3 of the washing cylinder is located between the diversion side walls 9, and the other is the case where the drain opening 6 on the inner wall 3 of the washing cylinder is located outside the diversion side walls 9. When the drain opening 6 is located between the diversion side walls 9, the diversion side walls 9 extend from the side walls 8 to abut against the inner wall 3 of the washing cylinder, that is, the diversion side walls 9 penetrate through the side walls 8 and the inner wall 3 of the washing cylinder. Since the drain opening 6 is in the area between the two diversion side walls 9 on the inner wall 3 of the washing cylinder, a filtration chamber 7 that only has the through holes 2 and the drain opening 6 and is closed at other positions can be formed between the diversion side walls 9, the side walls 8, and the inner wall 3 of the washing cylinder. The filtration structure 5 is arranged in the filtration chamber 7, so that the water flow can be guided to form a drainage water flow and a flushing water flow, and the drainage water flow can flow through the filtration structure 5 to achieve the effect of cleaning the filtration structure 5, and the flushing water flow flows through the filtration structure 5 and is then filtered.

[0065] Or when the drain opening 6 is located outside the diversion side walls 9, a closed filtration chamber 7 as described above cannot be formed between the diversion side walls 9, the side walls 8, and the inner wall 3 of the washing cylinder, because this will cause the drainage water flow to be unable to flow into the drain opening 6. Therefore, at least one opening 10 needs to be provided in the filtration chamber 7 so that the drainage water flow can flow into the drain opening 6 through the opening 10. Specifically, as shown in Figure 2 、 4 As shown, there is a gap between one of the diversion side walls 9 close to the drain opening 6 and the inner wall 3 of the washing cylinder, and the gap forms an opening 10 for the water flow in the inner cavity 4 to flow towards the drain opening 6; the remaining diversion side walls are arranged to extend from the side walls 8 to abut against the inner wall 3 of the laundry cylinder. That is, one of the diversion side walls close to the drain opening 6 in the diversion side walls extends from the side walls 8 towards the inner wall 3 of the washing cylinder, but does not extend to abut against the inner wall 3 of the washing cylinder, but has a gap with the inner wall 3 of the washing cylinder, and the gap forms the opening 10, so that the drainage water flow can flow out from the opening 10 and finally flow towards the drain opening 6 and be discharged. Of course, the diversion side walls 9 can also be arranged to extend from the side walls 8 to abut against the inner wall 3 of the washing cylinder, and then an opening 10 is provided on one of the diversion side walls close to the drain opening 6. The side walls 8, the inner wall 3 of the washing cylinder, and the diversion side walls 9 enclose a filtration chamber 7 with an opening 10, and the filtration structure is arranged in the filtration chamber 7; so that through the setting of the filtration chamber 7, the water flow can be better guided to form a drainage water path, and the drainage water path can flow through the filtration structure 5 to clean the filtration structure 5.

[0066] Since the drainage water flow in the filtration chamber 7 ultimately needs to flow towards the drain outlet 6 for discharge, a flow guide plate 11 that guides the water flow to the drain outlet 6 can be provided in the filtration chamber 7. By providing the flow guide plate 11, the water flow in the filtration chamber 7 is likely to gather towards the drain outlet 6, resulting in a larger water flow towards the drain outlet 6. Even the water flow containing lint and other debris after cleaning the filtration structure 5 can flow towards the drain outlet 6 and be discharged under the guidance of the flow guide plate 11. Since the water flow contains lint and other debris that hinder water flow after cleaning the filtration structure 5, the provision of the flow guide plate 11 can make the water flow more concentrated, and thus the water flow towards the drain outlet 6 is larger, making it easier for lint and the like to be discharged from the drain outlet 6.

[0067] Specifically, as Figure 2 , 4 shown in, a flow guide plate 11 that slopes obliquely downward from the flow guide side wall 9 towards the drain outlet 6 is provided at the bottom of the filtration chamber 7. The inclined structure of the flow guide plate 11 is more conducive to the drainage water flow flowing along the inclined flow guide plate 11 towards the drain outlet 6, and the inclined structure of the flow guide plate 11 enables the flow rate of the drainage water flow to be increased, which is more conducive to washing away lint and other debris in the drainage water flow. Since the drain outlet 6 has two structural settings: it can be provided between the flow guide side walls 9 or outside the flow guide side walls 9, the flow guide plate 11 that guides the water flow towards the drain outlet 6 also has two structures. When the drain outlet 6 is provided between the flow guide side walls 9, flow guide plates 11 that are inclined towards the drain outlet 6 are respectively provided on the flow guide side walls 9. All the flow guide plates 11 form a conical surface with the cone tip pointing towards the drain outlet 6.

[0068] The conical surface formed by the inclined flow guide plates 11 causes the cross-sectional area of the water flow towards the drain outlet 6 to gradually decrease, accelerating the flow rate of the water flow towards the drain outlet 6, which is more conducive to the water flow with lint being discharged from the drain outlet 6. When the drain outlet 6 is provided outside the flow guide side walls 9, as known from the foregoing, in this case, an opening 10 needs to be provided on one of the flow guide side walls close to the drain outlet 6, resulting in the need to guide the drainage water flow in the filtration chamber 7 to flow towards the side where the opening 10 is provided, that is, the drainage water flow needs to be deflected towards one of the flow guide side walls where the opening 10 is provided. Therefore, a flow guide plate 11 that is inclined towards the opening 10 is provided on the flow guide side wall away from the drain outlet 6 and above the opening 10, and the drainage water flow is guided to flow towards the drain outlet 6 and be discharged through the provision of the flow guide plate 11. After the flow guide plate 11 is provided, the side wall 8, the inner wall 3 of the washing cylinder, the two flow guide side walls 9, and the flow guide plate 11 jointly enclose the filtration chamber 7, and the filtration structure is provided in the filtration chamber 7. The provision of the filtration chamber 7 can better guide the drainage water flow, and thus the filtration structure 5 in the filtration chamber 7 can be better washed by the drainage water flow.

[0069] The lifting rib 16 provided in this embodiment has a reasonable internal structure, enabling the washing water flow entering the lifting rib 16 to be filtered by the filtering structure 5; the drainage water flow cleans the filtering structure 5 inside the lifting rib 16, achieving the purpose of flushing impurities such as lint remaining on the filtering structure 5 and ensuring the filtering effect of the filtering structure 5. That is, the filtering structure 5 inside the lifting rib 16 provided by the present invention can self-clean, such that it is not necessary to manually clean the filtering structure 5, and the self-cleaning of the filtering structure 5 can be realized by using the drainage inside the washing cylinder.

[0070] Embodiment 3

[0071] Based on the above embodiment, this embodiment provides a holeless washing machine. A holeless washing machine is usually provided with a washing cylinder, and the functions of introducing washing water, washing with the washing water, and discharging the washing water for dehydration can be realized through one washing cylinder. The holeless washing machine is provided with a drain port 6 on the inner wall 3 of the washing cylinder, and a drain valve 15 is provided at the drain port 6, and the drain valve 15 can be used to control the on-off of the water flow at the drain port 6. By setting the drain valve 15, the effect that the drain port 6 is isolated from the washing cylinder during the water inlet and washing processes, the washing cylinder is closed, and the water flow will not flow out of the washing cylinder is achieved. During the water inlet and washing processes, the above-mentioned washing water flow is formed, so that the filtering structure 5 filters the washing water flow. And the drain valve 15 can be used to control the connection between the drain port 6 and the washing cylinder, such that during the drainage and dehydration processes, the water flow in the washing cylinder is discharged from the drain port 6, and during the normal drainage process of the holeless washing machine, a drain water flow that can flush the filtering structure 5 is exactly formed, achieving the effect of cleaning the filtering structure 5. That is, the holeless washing machine can utilize the drainage to self-clean the filtering structure 5 inside the lifting rib 16 and ensure the filtering effect.

[0072] Embodiment 4

[0073] A washing cylinder for containing washing water, washing clothes, and discharging washing water is provided in the washing machine. Lifting ribs for lifting the water flow are often provided on the inner wall 3 of the washing cylinder. The lifting rib includes a housing 1 provided on the inner wall 3 of the washing cylinder, and a cavity 4 is formed between the housing 1 and the inner wall 3 of the washing cylinder. The lifting rib actually utilizes the outer contour of its own housing 1 to achieve the effect of lifting the water flow, and the cavity 4 is a hollow cavity. Therefore, in order to save space, components required inside the washing machine can be provided in the hollow cavity of the cavity 4. Currently, there is a patent that utilizes the space of the cavity 4 to set a filtering structure, and through holes 2 for water flow to enter and exit are provided on any side wall 8 of the housing 1, such that the water flow in the washing cylinder can flow into the cavity 4 through the through holes 2 and is filtered by the filtering structure in the cavity 4, and the filtered water flow can flow into the cavity 4 again through the through holes 2 to achieve the effect of filtering the water flow.

[0074] However, in current patents that set up a filtering structure inside the lifting rib, a filter screen is often set up inside the lifting rib. However, the filter screen has the disadvantages of being prone to residue of lint and other slag, being difficult to clean, and requiring regular replacement. Therefore, this embodiment proposes a lifting rib as shown in the figure. A comb-shaped filtering structure 14 is set up inside the lifting rib. The comb-shaped filtering structure 14 is not easily blocked by lint and other slag, and is easy to clean. The comb-shaped filtering structure 14 has a volume that extends in a comb shape. Compared with the conventional flat filter screen, the comb-shaped filtering structure 14 has a significantly larger extended volume and can contact more water flow, thereby filtering more water flow entering the lifting rib and achieving a better filtering effect. Moreover, the gap of the comb-shaped filtering structure 14 is larger than the mesh on the filter screen, and the extended volume of the comb-shaped filtering structure 14 is larger, making it difficult for lint to cause blockage of the comb-shaped filtering structure 14 and easier to clean.

[0075] As Figure 2 , 6 shown in the figure, the comb-shaped filtering structure 14 includes a plurality of combs 17. When the water flow containing impurities flows through the comb-shaped filtering structure 14, lint and other slag can be suspended on the combs 17, thereby achieving the effect of filtering the slag. The combs of the comb-shaped filtering structure 14 can be of various different shapes, as long as the shape is convenient for intercepting lint and other impurities. In this embodiment, it is proposed to set the comb 17 as a cylindrical rod structure, making the comb 17 relatively easy to process.

[0076] In order to improve the filtering effect, the contact area between the water flow inside the lifting rib and the comb 17 should be made as large as possible. The water flow flows into the lifting rib through the through hole 2 provided on any side wall 8. Obviously, the water flow is the most concentrated and the largest at the position where the water flow enters the lifting rib. After entering the lifting rib, the water flow may diverge and flow in any direction inside the lifting rib. In order to make the comb 17 contact more water flow, the comb 17 can be fixed on the side wall 8 provided with the through hole 2. Specifically, as Figure 3 , 6 shown in the figure, the comb 17 is arranged on the side wall 8 provided with any through hole 2. The top of the comb 17 is connected to the inner surface 8 of the side wall 8 and extends towards the inner wall 3 of the washing cylinder. The comb 17 is fixed on the side wall 8 provided with the through hole 2, making the comb 17 close to the through hole 2 for water inlet, thereby making the water flow just entering the lifting rib more concentrated. The larger water flow can directly contact the comb 17 and be filtered by the comb 17.

[0077] The water flow that has just entered the lifting rib through the through-hole 2 may flow in any direction. However, during the process of the water flow flowing in the lifting rib, if it needs to be discharged back into the washing tub through the through-hole 2 again, the water flow will surely form a flowing trajectory between the outer shell 1 and the inner wall 3 of the washing tub. In order to enable the comb teeth 17 to contact the water flow flowing in the lifting rib, the comb teeth 17 can be extended along the fixed side wall 8 towards the inner wall 3 of the washing tub, that is, the comb teeth 17 have a certain extension distance between the outer shell 1 and the inner wall 3 of the washing tub. The water flow flowing inside the lifting rib, which can flow into the lifting rib through the through-hole 2 and flow back into the washing tub through the through-hole 2, will possibly contact the comb teeth 17 and then be filtered by the comb teeth 17.

[0078] As Figure 1 , 5 shown in, through-holes 2 are provided on multiple side walls 8 of the outer shell 1, so the comb teeth 17 can be correspondingly provided on the multiple side walls 8. The lifting ribs are usually arranged along the axial direction of the inner wall 3 of the washing tub. When the water flow in the washing tub flows towards the lifting rib, it is easier to flow into the through-hole 2 provided on the circumferential side wall of the outer shell 1. Therefore, the comb teeth 17 can be fixed on the inner surface 18 of the circumferential side wall.

[0079] In order to improve the filtering effect, multiple comb teeth 17 can be provided on the same side wall. When there are many comb teeth 17, the comb teeth 17 need to be arranged so that they do not affect each other.

[0080] As Figure 2 , 6 shown in, the multiple comb teeth 17 provided on the same side wall 8 are evenly distributed on the side wall 8; when the multiple comb teeth 17 are arranged in rows, the comb teeth 17 in each row are equidistant horizontally; and / or when the multiple comb teeth 17 are arranged in columns, the comb teeth 17 in each column are equidistant vertically. Making the comb teeth 17 evenly arranged is more convenient for processing and better controls the distance between adjacent comb teeth 17. The distance between adjacent comb teeth 17 can be set to a set value, and the user can set the set value according to the general size of impurities such as lint. The set value is often set relatively small, so that the distance between adjacent comb teeth 17 is relatively small, and it is easier for impurities such as lint to hang on the comb teeth 17 or get stuck between the two comb teeth 17. Preferably, when the through-holes 2 on the same side wall 8 are arranged in rows, the multiple comb teeth 17 are arranged in rows; and / or when the through-holes 2 on the same side wall 8 are arranged in columns, the multiple comb teeth 17 are arranged in columns. That is, since the comb teeth 17 need to be washed by the water flow flowing in at the through-hole 2, the arrangement of the comb teeth 17 should be relatively consistent with the arrangement of the through-holes 2; therefore, when the through-holes 2 are arranged in rows, the comb teeth 17 are also arranged in rows; when the through-holes 2 are arranged in columns, the comb teeth 17 are also arranged in columns.

[0081] As Figure 2As shown in the figure, when multiple comb teeth 17 provided on the same side wall 8 are arranged in multiple rows on the side wall 8, the comb teeth 17 between adjacent rows are staggered. That is, after the position of the comb teeth 17 in a certain row is fixed, the comb teeth 17 in the adjacent rows are all located in the gaps of the comb teeth 17 in a certain row. Such a setting makes the comb teeth 17 in adjacent rows not cause obstruction and avoids the influence of obstruction on the filtering effect of the comb teeth 17. The extending lengths of the comb teeth 17 in each row are the same, and the extending lengths of the comb teeth 17 in adjacent rows are different. Similarly, the different extending lengths of the comb teeth 17 in adjacent rows cause the comb teeth 17 to be staggered in the length direction. When the water flow entering the inner cavity 4 flows in the inner cavity 4, the water flow can flow in all directions. When the water flow flows in a direction that can intersect with the side wall direction of the comb teeth 17, the above-mentioned arrangement that makes the multiple rows of comb teeth 17 staggered in the multiple row direction and the multiple rows of comb teeth 17 staggered in the length direction can make the water flow intersecting with the side wall of the comb teeth 17 contact more comb teeth 17, thereby improving the filtering effect. That is, since the water flow can flow in any direction in the lifting rib, multiple comb teeth 17 should be staggered as much as possible in multiple directions so that the comb teeth 17 arranged in multiple different square shapes will not cause obstruction, and thus the water flow flowing in any direction can contact as many comb teeth 17 as possible, increasing the possibility of intercepting impurities such as lint.

[0082] The comb-shaped filtering structure 14 is provided in the lifting rib provided in this embodiment to filter the water flow in the washing tub. Compared with the patents of setting a filter mesh structure in the lifting rib in the past, the comb-shaped filtering structure 14 in this embodiment has more gaps, making it difficult for impurities such as lint to block. And the comb-shaped filtering structure 14 provided in this embodiment extends a certain length, so that the comb-shaped filtering structure 14 can achieve a better filtering effect compared to the relatively thin filter mesh.

[0083] Embodiment 5

[0084] Based on the above embodiment, this embodiment provides a lifting rib, and a comb-shaped filtering structure 14 is also provided in the lifting rib. The difference is that the structure of the comb teeth 17 of the comb-shaped filtering structure 14 in this embodiment is different from the structure of the comb teeth 17 in Embodiment 1. The comb teeth 17 in this embodiment are in a structure similar to a "tree", as Figure 6 shown in the figure, the comb teeth 17 include a cylindrical rod 19, and outwardly protruding "branch"-shaped filtering rods 20 are provided on the cylindrical rod 19. The same as in Embodiment 1, the cylindrical rod 19 itself can play the role of hanging impurities such as lint, and the lint and other impurities can be clamped between adjacent cylindrical rods 19. And the filtering rods 20 similar to "branches" provided on the cylindrical rod 19 can also play the role of hanging impurities such as lint on them, and can make impurities such as lint be clamped between the cylindrical rod 19 and the filtering rod 20.

[0085] As Figure 6As shown in the figure, the filtering rod 20 is inclined on the cylindrical rod 19. Each filtering rod 20 extends gradually outward from the bottom to the top along the axial direction of the cylindrical rod 19. The filtering rod 20 is inclined. Compared with the horizontal setting of the filtering rod 20, it makes it easier for impurities such as lint to hang on the filtering rod 20 and makes it easier for impurities such as lint to be stuck between the filtering rod 20 and the cylindrical rod 19. Since the top end of the comb tooth 17 is fixedly connected to the side wall of the housing 1, it can be known from the extension direction of the foregoing comb tooth 17 that the bottom end of the comb tooth 17 is closer to the inner wall 3 of the washing cylinder, and the water flow often needs to flow from the housing 1 to the inner wall 3 of the washing cylinder inside the lifting rib; therefore, the filtering rod 20 extends gradually outward from the bottom to the top, so that as the incoming water flow flows, the lint and other slag in the water flow will be more easily intercepted by the filtering rod 20, and thus a better filtering effect can be obtained. That is, the filtering rod 20 gradually contracts along the direction of the incoming water flow, making it easier for lint and other slag to be stuck or hung on the filtering rod 20. As Figure 4 As shown in the figure, a plurality of comb teeth 17 are arranged on different sides of the cylindrical rod 19, and a plurality of filtering rods 20 on each side are arranged in sequence along the axial direction on the cylindrical rod 19. Arranging a plurality of comb teeth 17 on different sides of the cylindrical rod 19 can increase the unfolded area of the cylindrical rod 19, and thus make it easier for impurities such as lint to be intercepted. And arranging a plurality of filtering rods 20 on the same side in sequence along the axial direction can make the arrangement of the filtering rods 20 more space-saving, reduce the occupied volume of the comb teeth 17, and make it not easy for adjacent comb teeth 17 to affect each other.

[0086] It can be known from Embodiment 1 that the cylindrical rod 19 is fixed on the side wall 8 provided with the through hole 2, so that the cylindrical rod 19 can only be arranged in an alternating manner with the through hole 2. In fact, the water flow flows in from the through hole 2. Therefore, if it is for filtering the water flow, the filtering rod 20 should extend towards the position of the through hole 2, so that the water flow flowing in from the through hole 2 can directly contact the filtering rod 20, and then the water flow can be filtered by the filtering rod 20. That is, the cylindrical rod 19 cannot be directly arranged at the through hole 2 of the side wall 8, but the filtering rod 20 on the cylindrical rod 19 can extend outward from the cylindrical rod 19, so that the filtering rod 20 is directly opposite to the through hole 2, so as to increase the contact area between the water flow and the filtering rod 20, and thus improve the filtering effect of the filtering rod 20. Specifically as Figure 4 As shown in the figure, the filtering rod 20 extends outward from the cylindrical rod 19 towards the through hole 2 closest to the side where the filtering rod 20 is arranged, and the filtering rod 20 projects onto the side wall 8 provided with the through hole 2, and the projection can cover a part of the area of the through hole 2. Such a setting makes a part of the area of the filtering rod 20 opposite to the through hole 2, so that the water flow flowing in from the through hole 2 contacts the filtering rod 20 and is filtered by the filtering rod 20.

[0087] As Figure 6As shown in the figure, each filter rod 20 extends towards the through hole 2 closest to the corresponding side. For example, the filter rod 20 arranged on the right side of the cylindrical rod 19 in the figure extends towards the through hole 2 closest to it on the right side of the filter rod 20, and the filter rod 20 arranged on the left side of the cylindrical rod 19 extends towards the through hole 2 closest to it on the left side of the filter rod 20. That is, the multiple filter rods 20 on the cylindrical rod 19 continue to extend outwards along their respective arranged sides, so that the filter rods 20 are fully unfolded on the cylindrical rod, enabling the water flow to fully contact the filter rods 20, thereby achieving a better filtering effect.

[0088] When the multiple filter rods 20 on different sides of the comb teeth 17 extend outwards, the filter rods 20 should not be in contact with the adjacent comb teeth 17. Specifically, there should be a gap between all the filter rods 20 arranged on any comb tooth 17 and the adjacent comb teeth 17 around it. Since when there is no gap between the filter rod 20 and the adjacent comb tooth 17, that is, when they are in contact, the water flow at the contact position cannot pass through. And at this time, if there are impurities such as lint on the filter rod 20, it is more likely to cause the water flow to be completely blocked. Therefore, there should be a gap between the filter rod 20 and the adjacent comb tooth 17. The comb-shaped filtering structure 14 in the lifting rib provided in this embodiment has a more reasonable design of the comb teeth 17. In addition to the cylindrical rod 19 which is the same as that in Embodiment 1 for each comb tooth 17, multiple filter rods 20 are also arranged on the cylindrical rod 19, so that impurities such as lint may also be suspended or stuck on the filter rods 20, thereby enabling the comb-shaped filtering structure 14 to achieve a better filtering effect. And the arrangement of the filter rods 20 expands the overall occupied area of the comb teeth 17, thereby increasing the contact area between the comb teeth 17 and the water flow, enabling more water flow to pass through the filtering process of the comb teeth 17 and improving the filtering effect.

[0089] The above description is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art of this patent, without departing from the scope of the technical solution of the present invention, can make some changes or modifications using the technical content prompted above into equivalent embodiments of equivalent changes. However, as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the present invention's solution.

Claims

1. A lifting rib structure, comprising a housing (1), the housing (1) being fixed on the inner wall (3) of the washing tub, the housing (1) and the inner wall (3) of the washing tub jointly enclosing an inner cavity (4), characterized in that, The inner cavity (4) includes two independent parts. The filtration space (21) exchanges water flow with the water flow in the washing cylinder through the through holes (2) provided on the outer shell (1), and the drainage space (35) drains the water in the washing cylinder towards the drainage port (6) opened on the washing cylinder. A drainage valve (15) for controlling the on-off of the water flow at the drainage port (6) is provided at the drainage port (6), and the drainage valve (15) is arranged in the drainage space (35). A drainage chamber (36) and an installation chamber (22) are separated in the drainage space (35). The drainage chamber (36) is connected to the drainage port (6) for the water flow to discharge. A counterweight structure (23) for driving its lifting is provided on the drainage valve (15). Part of the counterweight structure (23) and the drainage valve (15) is arranged in the installation chamber (22), and other structures of the drainage valve (15) are arranged in the drainage chamber (24). The installation chamber (22) is a closed chamber connected to the outer shell (1). It includes a plurality of installation chamber side walls (24) extending from the outer shell (1) towards the inner wall (3) of the washing cylinder, and an installation chamber bottom wall (25) connected to the bottom end surfaces of all the installation chamber side walls (24). An installation through hole (26) is provided at a position on the installation chamber bottom wall (25) opposite to the drainage valve (15). Part of the drainage valve (15) is embedded in the installation through hole (26) and penetrates into the installation chamber (22) through the installation through hole (26). The part of the drainage valve (15) penetrating into the installation chamber (22) is connected to the counterweight structure (23). A sealing structure is provided at the position of the installation through hole (26).

2. The rib structure according to claim 1, wherein The drainage valve (15) is arranged along the axial direction of the drainage port (6), and one end of the drainage valve (15) far from the drainage port (6) is connected to the counterweight structure (23). The installation chamber (22) and the drainage chamber (36) are arranged in sequence along the axial direction of the drainage port (6) from far to near the drainage port (6).

3. The rib structure according to claim 2, wherein, A limit groove (27) for defining the limit position of the falling of the counterweight structure (23) is provided on the installation chamber bottom wall (25). The counterweight structure (23) falling to the limit position is embedded in the limit groove (27). A fixing groove (28) for fixing the drainage valve (15) is provided on the installation chamber bottom wall (25). The inner wall of the fixing groove (28) is consistent with part of the outer contour of the drainage valve (15), and part of the drainage valve (15) is embedded in the fixing groove (28).

4. The rib structure according to claim 3, characterized in that, An inlet gap (37) is formed between the installation chamber bottom wall (25) and the inner wall (3) of the washing cylinder, and the inlet gap (37) is communicated with the inside of the washing cylinder. The area between the installation chamber bottom wall (25) and the inner wall (3) of the washing cylinder in the drainage space (35) forms the drainage chamber (36).

5. A rib structure according to any one of claims 1-4, characterized in that, The filtration space (21) is a space connected to the outer shell (1). A plurality of through holes (2) for the water flow to enter and exit are provided on the outer shell (1) opposite to the filtration space (21). A filtration structure (5) is arranged in the filtration space (21).

6. The rib structure according to claim 5, characterized in that The filtration space (21) is provided with an opening (10) communicated with the drainage chamber (36).

7. The rib structure according to claim 5, characterized in that, The filtration space (21) is surrounded by a filtration space side wall (29) and a filtration space bottom wall (30). The filtration space side wall (29) extends from the outer shell (1) towards the inner wall (3) of the washing cylinder. The filtering space (21) is a closed structure, and the bottom wall (30) of the filtering space is connected to the bottom end faces of all the side walls (17) of the filtering space; Alternatively, the filtering space (21) has an opening (10), the bottom wall (30) of the filtering space is connected to the bottom end faces of all the other side walls (29) of the filtering space except the side wall (29) of the filtering space closest to the drain opening (6), and there is a gap (31) between the side wall (29) of the filtering space closest to the drain opening (6) and the bottom wall (30) of the filtering space, and the gap (31) forms the opening (10).

8. The rib structure according to claim 7, wherein, The installation cavity (22) is arranged adjacent to the filtering space (21), the installation cavity (22) and the filtering space (21) have a common side wall (32), the common side wall (32) extends from the outer shell (1) above the inner wall (3) of the washing tub, and the bottom wall of the installation cavity (22) is connected to the bottom end face of the common side wall (32).

9. A laundry treating apparatus, characterized in that, A lifting rib structure as described in any one of claims 1-8 is provided in the washing tub of the laundry treatment apparatus.

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