Inner cover of washing machine and washing machine

Abstract

The invention discloses an inner cover of a washing machine and the washing machine, and belongs to the field of washing machines. According to the inner cover of the washing machine, a spraying cavity is formed in the inner cover, a water inlet is formed in the inner cover, the water inlet is communicated with the spraying cavity, a first groove which is sunken downwards is formed in the bottom wall of the spraying cavity, and a plurality of water outlet holes are formed in the bottom of the first groove. The first groove which is sunken downwards is formed in the bottom wall of the spraying cavity, the multiple water outlet holes are formed in the bottom of the first groove, and the multiple water outlet holes are lower than the water inlet, so that even if the inner cover is inclined, water flow can still flow through all the water outlet holes, all the water outlet holes can smoothly discharge water, the water flow can be evenly sprayed to clothes, and the clothes can be washed conveniently. Uniformly rinsing the clothes; even if the water flow is small, the water flow can smoothly flow through the plurality of water outlet holes, the plurality of water outlet holes can discharge water, and the plurality of water outlet holes can be used for uniformly spraying water.

Description

Technical Field

[0001] The invention belongs to the field of washing machines, and in particular relates to an inner cover of a washing machine and the washing machine. Background Art

[0002] A washing machine is a cleaning appliance that uses electrical energy to generate mechanical action to wash clothes. It is divided into two categories according to its rated washing capacity: household and institutional. Washing machines generally refer to those that use water as the main cleaning liquid, which is different from dry cleaning, which uses special cleaning solutions and is usually done by a dedicated person.

[0003] The double-barrel washing machine consists of a washing barrel and a dehydrating barrel. Washing and dehydration can be done separately, but when washing, water intake and drainage must be done manually. This type of washing machine has high cleaning efficiency, low power consumption, and the washing and dehydrating time can be selected at will. A pulsator is installed in the washing barrel to wash clothes; after washing, the clothes need to be taken out of the washing barrel and put into the dehydrating barrel for dehydration, spray rinsing, and then dehydration. The dehydrating barrel is set in the washing machine box, and the washing machine box is provided with a clothing delivery port, which is set above the dehydrating barrel. The clothing delivery port is provided with an inner cover with a spray function, and the inner cover can be opened and closed. The washing machine box is also provided with a dehydrating barrel cover that can be rotatably opened to close the inner cover.

[0004] In the prior art, a planar water supply method is often used to supply water to the water outlet holes. When the water flow rate is small, it is easy to cause uneven water distribution; especially when the washing machine is tilted or tilted during operation, the inner cover will also tilt accordingly. At this time, part of the inner cover is tilted upward, and the heights of the multiple water outlet holes located at the upwardly tilted part of the inner cover are higher than the height of the water inlet. After the water flows into the inner cover from the water inlet, it is difficult to reach the water outlet holes that are higher than the water inlet. The water cannot flow smoothly through the water outlet holes, the water cannot be evenly sprinkled on the clothes, and the clothes cannot be evenly rinsed.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art, and the purpose is to provide an inner cover of a washing machine, by arranging a downwardly recessed first groove on the bottom wall of a spray chamber, and arranging a plurality of water outlet holes at the bottom of the first groove, so that the heights of the plurality of water outlet holes are lower than the height of a water inlet, even if the inner cover is tilted, water can still flow through the various water outlet holes, and each water outlet hole can smoothly discharge water, so that the water flow can be evenly sprinkled on the clothes, and the clothes can be evenly rinsed; even if a small flow of water is inflowed, the water flow can smoothly flow through the multiple water outlet holes, and the multiple water outlet holes can discharge water, and the multiple water outlet holes can be evenly sprinkled.

[0007] Another object of the present invention is to provide a washing machine.

[0008] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is: to provide an inner cover of a washing machine, wherein the inner cover has a spray chamber, the inner cover is provided with a water inlet, the water inlet is connected to the spray chamber, the bottom wall of the spray chamber is provided with a first groove which is recessed downward, and the bottom of the first groove is provided with a plurality of water outlet holes.

[0009] Furthermore, the first groove comprises an annular groove, and a plurality of the water outlet holes are circumferentially spaced apart at the bottom of the annular groove.

[0010] Further, the first groove includes a plurality of annular grooves which are sequentially sleeved and spaced apart;

[0011] Preferably, a plurality of the annular grooves are concentrically arranged.

[0012] Furthermore, the first groove also includes a circular groove, which is arranged at the center of the annular groove, and the water outlet is provided at the bottom of the circular groove.

[0013] Furthermore, a protrusion is provided on the inner side wall of the inner cover, the first groove is recessed downward from the bottom wall of the spray chamber and extends into the protrusion, and the water outlet is arranged at the bottom of the first groove and penetrates downward through the protrusion.

[0014] Furthermore, the water inlet is arranged on the peripheral wall of the spray chamber, and the extension line of the center line of the water inlet passes through the center line of the inner cover.

[0015] Furthermore, the plurality of water outlet holes are symmetrically arranged along an extension line of the center line of the water inlet.

[0016] Furthermore, the diameters of the plurality of water outlet holes gradually increase from an end of the inner cover having the water inlet to an end of the inner cover away from the water inlet.

[0017] Further, the inner cover comprises an upper cover and a lower cover;

[0018] The upper part of the lower cover is provided with a second groove which is sunken downwards, the upper cover is buckled on the lower cover and forms the spray chamber with the second groove, the water inlet is arranged on the peripheral wall of the second groove, and the first groove is arranged at the bottom of the second groove.

[0019] Furthermore, the present invention also provides a washing machine having any of the inner covers described above, comprising a dehydration barrel, wherein the inner cover is arranged above the dehydration barrel.

[0020] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0021] (1) In the present invention, a first groove that is recessed downward is provided on the bottom wall of the spray chamber, and a plurality of water outlet holes are provided at the bottom of the first groove, so that the height of the plurality of water outlet holes is lower than the height of the water inlet. Even if the inner cover is tilted, water can still flow through the various water outlet holes, and water can be smoothly discharged from the various water outlet holes, so that the water can be evenly sprinkled on the clothes and the clothes can be evenly rinsed. Even if the water inflow is small, the water can still flow through the multiple water outlet holes smoothly, and water can be discharged from the multiple water outlet holes, so that the multiple water outlet holes can be evenly sprinkled.

[0022] (2) In the present invention, the diameters of the multiple annular grooves are different and they are concentrically arranged, so that the water outlet holes can be distributed more evenly, and the water can be sprinkled on the clothes more evenly, which is convenient for uniform rinsing of the clothes.

[0023] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0025] Figure 1 is an exploded view of an inner cover of a washing machine in the present invention;

[0026] Figure 2 is a schematic diagram of an inner cover of a washing machine in the present invention;

[0027] Figure 3 The present invention Figure 2 The cross-sectional view at AA in the middle;

[0028] Figure 4 The present invention Figure 2 Schematic diagram from another angle;

[0029] Figure 5 is a schematic diagram of the lower cover in the present invention;

[0030] Figure 6 It is a schematic diagram of the upper cover in the present invention.

[0031] In the figure: 11, upper cover; 12, lower cover; 121, second groove; 122, water inlet; 123, first groove; 1231, annular groove; 1232, circular groove; 124, water outlet; 125, protrusion; 126, mounting plate; 1261, pivot; 1262, mounting groove; 1263, snap-fit ​​piece; 127, connecting plate.

[0032] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0034] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figures 1 to 6 As shown, the inner cover of a washing machine described in the present invention has a spray chamber inside the inner cover, a water inlet 122 is provided on the inner cover, the water inlet 122 is connected to the spray chamber, the bottom wall of the spray chamber is provided with a first groove 123 which is recessed downward, and a plurality of water outlet holes 124 are provided at the bottom of the first groove 123.

[0037] In the above scheme, by providing the first recessed groove 123 which is recessed downward on the bottom wall of the spray chamber, and providing a plurality of water outlet holes 124 at the bottom of the first recess 123, so that the height of the plurality of water outlet holes 124 is lower than the height of the water inlet 122, the plurality of water outlet holes 124 can be sprayed evenly;

[0038] If the inner cover is installed on the washing machine, when the washing machine is tilted or tilted in the working state, the inner cover will also tilt accordingly, and at this time, part of the inner cover will tilt upward, and the heights of the multiple water outlet holes 124 located at the upward tilted part of the inner cover are all lower than the height of the water inlet 122, so that water can still flow smoothly, that is, the water outlet holes 124 at all locations can smoothly discharge water, and the water outlet holes 124 discharge water evenly, so that the water flow can be evenly sprinkled on the clothes, and the clothes can be evenly rinsed;

[0039] Even if a small amount of water flows in, the water flow does not need to fill the bottom wall of the spray chamber, but only needs to fill the bottom of the first groove 123. The water flow can smoothly flow through the multiple water outlet holes 124, and the multiple water outlet holes 124 can all discharge water, and the multiple water outlet holes 124 can be evenly sprayed.

[0040] Specifically, water flows into the spray chamber from the water inlet 122 and then flows out from the plurality of water outlets 124 to spray and rinse the clothes.

[0041] The first groove 123 is recessed downward relative to the bottom wall of the spray chamber, and the water outlet 124 is arranged at the bottom of the first groove 123; the first groove 123 has a certain depth, so that the height of the water outlet 124 can be lower than the height of the water inlet 122, and the water flowing in from the water inlet 122 can smoothly reach the multiple water outlets 124, and the multiple water outlets 124 can evenly discharge water. The deeper the depth of the first groove 123, the wider the applicable range.

[0042] like Figure 2 , Figure 4 and Figure 5 As shown, the first groove 123 includes an annular groove 1231 , and a plurality of water outlet holes 124 are circumferentially spaced apart and arranged at the bottom of the annular groove 1231 .

[0043] Specifically, the plurality of water outlet holes 124 are arranged at circumferential intervals to make the water outlet more uniform; the annular groove 1231 has a diversion function, and a small flow of water only needs to fill the bottom of the annular groove 1231 to smoothly discharge water, which is easy to use.

[0044] The first groove 123 in the present invention can be configured to be grooves of various shapes, such as: triangle, square, circle and ring, etc. The specific shape is not limited and can be reasonably selected according to actual needs.

[0045] The water outlet hole 124 in the present invention can be set in various shapes, such as: circle and regular polygon, etc. Preferably, the water outlet hole 124 is a circular hole.

[0046] In one embodiment of the present invention, the first groove 123 includes a plurality of annular grooves 1231 spaced apart in the circumferential direction, which are not shown in the figure.

[0047] Specifically, the plurality of annular grooves 1231 are arranged in a ring-shaped distribution at circumferential intervals; and may be arranged in a multi-layered ring-shaped distribution.

[0048] Another embodiment of the present invention, as Figure 2 , Figure 4 and Figure 5 As shown, the first groove 123 includes a plurality of annular grooves 1231 which are sequentially sleeved and spaced apart;

[0049] Preferably, the plurality of annular grooves 1231 are concentrically arranged.

[0050] In the above scheme, the diameters of the multiple annular grooves 1231 are different and they are concentrically arranged, so that the water outlet holes 124 can be distributed more evenly, and the water can be sprinkled on the clothes more evenly, so as to facilitate uniform rinsing of the clothes.

[0051] Specifically, the diameters of the multiple annular grooves 1231 are different and they are concentrically arranged, the multiple water outlet holes 124 are evenly distributed at the bottom of the annular groove 1231, and the heights of the multiple water outlet holes 124 are lower than the height of the water inlet 122, so that water can flow evenly through the multiple annular grooves 1231, the water flows evenly through the multiple water outlet holes 124, and the multiple water outlet holes 124 discharge water evenly.

[0052] like Figure 2 , Figure 4 and Figure 5 As shown, the first groove 123 further includes a circular groove 1232 , and the circular groove 1232 is disposed at the center of the annular groove 1231 . The water outlet 124 is disposed at the bottom of the circular groove 1232 .

[0053] Specifically, the circular groove 1232 is arranged at the center of the annular groove 1231, and the circular groove 1232 is provided with the water outlet hole 124, which can make water outlet at the center of the annular groove 1231 to avoid the clothes located below the center of the annular groove 1231 from not being soaked; the annular groove 1231 and the circular groove 1232 cooperate to make the water outlet area of ​​the first groove 123 larger, which is beneficial to the uniform water outlet of the first groove 123 and the rinsing of clothes.

[0054] In one embodiment of the present invention, the bottom wall of the spray chamber has a certain thickness, and the bottom of the first groove 123 is located inside the bottom wall of the spray chamber, which is not shown in the figure.

[0055] The bottom wall of the spray chamber needs to have sufficient thickness to ensure that the depth of the first groove 123 meets the requirements.

[0056] Another embodiment of the present invention, as Figure 2 , Figure 3 and Figure 4 As shown, a protrusion 125 is provided on the inner wall of the inner cover, the first groove 123 is recessed downward from the bottom wall of the spray chamber and extends into the protrusion 125, and the water outlet 124 is arranged at the bottom of the first groove 123 and penetrates downward through the protrusion 125.

[0057] Specifically, a side wall of the inner cover having the water outlet hole 124 is the inner wall of the inner cover, and the inner wall of the inner cover is arranged close to the dehydration barrel of the washing machine.

[0058] The bottom wall of the spray chamber has a certain thickness, and the protrusion 125 also has a certain thickness. The first groove 123 is recessed downward from the bottom wall of the spray chamber and extends into the protrusion 125, which can increase the depth of the first groove 123 and the height difference between the water inlet 122 and the water outlet 124. Even if the inner cover is tilted at a certain angle, water can flow smoothly through the water outlets 124 at various locations, making it easier for multiple water outlets 124 to spray water evenly.

[0059] The protrusion 125 can be a whole plate-shaped protrusion.

[0060] The protrusion 125 includes a plurality of plate-shaped convex ribs, and the shape of the plate-shaped convex ribs matches the shape of the first groove 123 .

[0061] Preferably, the protrusion 125 includes a plurality of annular convex ribs and circular convex ribs, the diameters of the plurality of annular convex ribs are different and they are concentrically arranged, and the circular convex ribs are arranged at the center of the plurality of annular convex ribs; the plurality of annular convex ribs are arranged corresponding to the plurality of annular grooves 1231, and the annular groove 1231 extends from the bottom wall of the spray chamber into the annular convex rib; the circular convex rib is arranged corresponding to the circular groove 1232, and the circular groove 1232 extends from the bottom wall of the spray chamber into the circular convex rib.

[0062] If the inner cover is provided with a thicker thickness and the first groove 123 is provided on the bottom wall of the spray chamber in the inner cover, although the demand can be met, the thickness of the inner cover is relatively large, which not only requires more materials, but also easily contacts with the dehydration barrel below, making it inconvenient to use.

[0063] like Figure 4 and Figure 5 As shown, the water inlet 122 is arranged on the peripheral wall of the spray chamber, and the extension line of the center line of the water inlet 122 passes through the center line of the inner cover.

[0064] Specifically, the water inlet 122 is provided on the peripheral wall of the spray chamber near the bottom wall of the spray chamber.

[0065] The center line of the inner cover coincides with the center line of the circular groove 1232 , and the extension line of the center line of the water inlet 122 passes through the center line of the inner cover, so that the water flow entering from the water inlet 122 can be evenly dispersed into the spray chamber.

[0066] like Figure 5 As shown, the plurality of water outlet holes 124 are symmetrically arranged along the extension line of the center line of the water inlet 122 .

[0067] Specifically, the water flow entering from the water inlet 122 is dispersed to both sides with the extension line of the center line of the water inlet 122 as the center; the multiple water outlet holes 124 are symmetrically arranged along the extension line of the center line of the water inlet 122, so that the water intake amount of the multiple water outlet holes 124 symmetrically arranged along the extension line of the center line of the water inlet 122 can be as similar as possible, which is conducive to making the water outlet of the multiple water outlet holes 124 uniform.

[0068] like Figure 5 As shown, the diameters of the plurality of water outlet holes 124 gradually increase from one end of the inner cover having the water inlet 122 to the other end of the inner cover away from the water inlet 122 .

[0069] Specifically, water flows from one end of the inner cover having the water inlet 122 to the end of the inner cover away from the water inlet 122. The closer the water flow is to the water inlet 122, the greater the water pressure is, and along the direction of the water flow, the water pressure becomes smaller and smaller; the diameters of the multiple water outlet holes 124 gradually increase along the direction of the water flow, so that the water intake amounts of the multiple water outlet holes 124 can be as similar as possible, which is conducive to uniform sprinkling of clothes.

[0070] like Figures 1 to 6 As shown, the inner cover includes an upper cover 11 and a lower cover 12;

[0071] The upper portion of the lower cover 12 is provided with a second groove 121 which is recessed downwards. The upper cover 11 is buckled on the lower cover 12 and forms the spray chamber together with the second groove 121. The water inlet 122 is provided on the peripheral wall of the second groove 121. The first groove 123 is provided at the bottom of the second groove 121.

[0072] Specifically, the upper cover 11 includes a cover plate, the middle of the upper end of the cover plate is recessed inward, and the cover plate is shaped like a circle as a whole.

[0073] The lower cover 12 includes a mounting plate 126 and a connecting plate 127. The area of ​​the mounting plate 126 is larger than that of the connecting plate 127. The connecting plate 127 is arranged at the lower end of the mounting plate 126. The lower end of the connecting plate 127 is provided with the protrusion 125. The second groove 121 extends downward from the upper end of the mounting plate 126 into the connecting plate 127. The connecting plate 127 is in a box shape without a cover after the second groove 121 is arranged. The water inlet 122 is arranged on the connecting plate 127 and communicates with the second groove 121. The cover plate is adapted to the second groove 121.

[0074] A plurality of first buckles are arranged at the lower edge of the cover plate; a first buckle is arranged on the peripheral wall of the second groove 121, and when the first buckle is engaged with the first buckle, the cover plate is buckled on the second groove 121 to form the spray chamber.

[0075] The upper cover 11 and the lower cover 12 may also be connected in other ways. The circumferential wall of the upper cover 11 is provided with external threads, and the inner circumferential wall of the second groove 121 is provided with internal threads. The upper cover 11 can be threadedly connected with the lower cover 12 by rotating the upper cover 11.

[0076] The cover plate and the mounting plate 126 are both provided with a plurality of strip-shaped openings, and the strip-shaped openings are arranged in an array.

[0077] A pivot 1261 is disposed at one end of the mounting plate 126 , and a locking member 1263 is disposed at the other end of the mounting plate 126 away from the pivot 1261 .

[0078] The mounting plate 126 is provided with a mounting groove 1262, and the inner wall of the mounting groove 1262 is connected with the engaging member 1263. The engaging member 1263 includes a vertical plate, a handle and a second buckle. The side wall of the vertical plate is connected to the inner wall of the mounting groove 1262, one end of the vertical plate is connected with the handle, and the other end of the vertical plate is connected with the second buckle. The handle may be provided with an anti-slip structure such as anti-slip grooves for user convenience. The direction of the handle is opposite to that of the second buckle. In order to facilitate user use, the handle is arranged toward the second groove 121.

[0079] The present invention also provides a washing machine having any of the inner covers described above, comprising a dehydration barrel, wherein the inner cover is arranged above the dehydration barrel.

[0080] Specifically, the washing machine is a twin-tub washing machine, and the washing machine further comprises a box body, in which the washing tub and the dehydration tub are arranged.

[0081] The box body is provided with a first clothing loading and unloading opening and a second clothing loading opening for loading and unloading clothing, wherein the first clothing loading opening corresponds to the washing tub, and the second clothing loading opening corresponds to the dehydration tub. The washing tub is usually used to hold clothing and wash it, and the dehydration tub is used to dehydrate the washed clothing.

[0082] The washing tub is provided with a rotatable impeller for washing clothes; the impeller is usually injection molded with polypropylene plastic; the surface of the impeller is provided with water-repellent ribs to increase the washing effect. The impeller of the double-tub washing machine is a small impeller, the diameter of which is generally 180-185mm, and the rotation speed is 450-500r / min.

[0083] The washing barrel is also provided with a filter to collect the thread scraps dropped during the washing process to prevent the thread scraps from attaching to the clothes again. The bottom of the washing barrel is provided with a drainage filter cover, which is provided with a plurality of small holes to filter the dirty water in the washing barrel to prevent the drain valve and the drain pipe from being blocked. The wall of the dehydration barrel is provided with a plurality of small round holes, and the washing water on the clothes will be discharged from the small round holes under the action of centrifugal force.

[0084] The upper part of the box body is also provided with a washing bucket cover and a dehydration bucket cover that can be opened and closed. The washing bucket cover is arranged corresponding to the first clothing inlet to close the first clothing inlet; the dehydration bucket cover is arranged corresponding to the second clothing inlet to close the second clothing inlet; the pivot 1261 on the mounting plate 126 is connected to the peripheral wall of the second clothing inlet. The box body is provided with a second card slot, and the second card slot is engaged with the second buckle, that is, the inner cover is installed on the second clothing inlet. The inner cover is arranged below the dehydration bucket cover and above the dehydration bucket. The water outlet 124 is arranged corresponding to the dehydration bucket.

[0085] The box body is provided with a water flow conversion switch, which can adjust the flow direction of the water flow. When it is necessary to wash clothes, the water flows into the washing tub, and the impeller rotates to stir the clothes for washing.

[0086] After the clothes are washed in the washing tub, they need to be dehydrated and spray-rinsed. First, open the dehydration tub cover and the inner cover in sequence, then take the clothes out of the washing tub and put them into the dehydration tub, and close the inner cover and the dehydration tub cover. First, dehydrate the clothes. After dehydration, turn the water flow conversion switch, and the water flows into the water inlet 122, and then into the spray chamber. The water flows from the multiple water outlets 124 to spray and rinse the clothes in the dehydration tub. After rinsing, the clothes are dehydrated.

[0087] When the washing machine is tilted or tilted during operation, since the washing machine adopts the inner cover, the plurality of water outlets 124 on the inner cover discharge water evenly, so the clothes in the washing machine can be rinsed evenly, and the rinsing effect is better.

[0088] The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation scheme in the above embodiment can also be further combined or replaced. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the solution of the present invention.

Claims

1. An inner cover of a washing machine, characterized in that: The inner cover has a spray chamber, the inner cover is provided with a water inlet (122), the water inlet (122) is connected with the spray chamber, the bottom wall of the spray chamber is provided with a first groove (123) which is recessed downwards, and the bottom of the first groove (123) is provided with a plurality of water outlet holes (124).

2. The inner cover according to claim 1, characterized in that: The first groove (123) comprises an annular groove (1231), and a plurality of water outlet holes (124) are circumferentially spaced apart and arranged at the bottom of the annular groove (1231).

3. The inner cover according to claim 2, characterized in that: The first groove (123) comprises a plurality of annular grooves (1231) which are sequentially sleeved and spaced apart; Preferably, a plurality of the annular grooves (1231) are concentrically arranged.

4. The inner cover according to claim 3, characterized in that: The first groove (123) further comprises a circular groove (1232), wherein the circular groove (1232) is arranged at the center of the annular groove (1231), and the water outlet hole (124) is arranged at the bottom of the circular groove (1232).

5. The inner cover according to any one of claims 1 to 4, characterized in that: A protrusion (125) is provided on the inner side wall of the inner cover, the first groove (123) is recessed downward from the bottom wall of the spray chamber and extends into the protrusion (125), and the water outlet hole (124) is arranged at the bottom of the first groove (123) and penetrates downward through the protrusion (125).

6. The inner cover according to any one of claims 1 to 5, characterized in that: The water inlet (122) is arranged on the peripheral wall of the spray chamber, and the extension line of the center line of the water inlet (122) passes through the center line of the inner cover.

7. The inner cover according to claim 6, characterized in that: The plurality of water outlet holes (124) are symmetrically arranged along an extension line of the center line of the water inlet (122).

8. The inner cover according to claim 7, characterized in that: The diameters of the plurality of water outlet holes (124) gradually increase from an end of the inner cover having the water inlet (122) to an end of the inner cover away from the water inlet (122).

9. The inner cover according to claim 8, characterized in that: The inner cover comprises an upper cover (11) and a lower cover (12); The upper part of the lower cover (12) is provided with a second groove (121) which is recessed downwards; the upper cover (11) is buckled on the lower cover (12) and forms the spray chamber together with the second groove (121); the water inlet (122) is arranged on the peripheral wall of the second groove (121); and the first groove (123) is arranged at the bottom of the second groove (121).

10. A washing machine having an inner cover according to any one of claims 1 to 9, characterized in that: It comprises a dehydration barrel, and the inner cover is arranged above the dehydration barrel.

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