A washing machine

Abstract

The present invention belongs to the technical field of washing machines, and discloses a washing machine, comprising an inner barrel, a drain hole being provided on the barrel bottom of the inner barrel, a sealing mechanism capable of reciprocating to open / block the drain hole, and a driving mechanism driving the sealing mechanism to move to open / block the drain hole; the sealing mechanism blocks the drain hole to form a closed inner barrel for independently containing washing water; the sealing mechanism is installed at the center of the barrel bottom of the inner barrel, and comprises a sealing member for blocking the drain hole, and a supporting portion connected to the sealing member, wherein one end of the supporting portion away from the sealing member is located outside the barrel bottom of the inner barrel; the driving mechanism pushes the supporting portion to drive the sealing member to open or block the drain hole. The present invention installs the sealing mechanism at the barrel bottom center of the inner barrel, and the position of the sealing mechanism does not change with the rotation of the inner barrel, and thus, when opening or blocking the drain hole, it is not necessary to perform a positioning operation first, and it is easy to implement.

Description

Technical Field

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

[0002] Most existing washing machines include an inner barrel and an outer barrel that are interconnected. When the washing machine is working, the outer barrel contains washing water, and the inner barrel contains clothes to be washed. The washing water can exist between the inner barrel and the outer barrel. As the working time of the washing machine increases, the dirt and lint in the washing water will be retained in the space between the inner barrel and the outer barrel, and it is difficult to clean, resulting in bacteria and odor after years of use. To solve this problem, the prior art proposes a washing machine without a dehydration hole on the inner barrel, so that the inner barrel can independently hold washing water during the washing process, but at the same time, the existing drainage method cannot achieve drainage of the hole-free inner barrel.

[0003] To solve the above problems, Chinese patent application number 201810903593.0 discloses a drainage sealing device for a washing machine and a washing machine. The washing machine includes an inner barrel, a drainage hole is provided at the bottom of the inner barrel, and the drainage sealing device is installed at the bottom of the inner barrel, and includes a sealing mechanism that can be sealed with the drainage hole: when washing or rinsing, the sealing mechanism is sealed with the drainage hole, and washing water is contained in the inner barrel; when draining, the sealing mechanism opens the drainage hole, and the washing water in the inner barrel is discharged from the drainage hole.

[0004] However, in the above scheme, the opening of the drain hole requires the cooperation of the sealing mechanism and the driving mechanism fixedly installed under the inner barrel, but the sealing mechanism will change position with the rotation of the inner barrel. Therefore, before opening the drain hole, the inner barrel needs to be positioned so that the positions of the sealing mechanism and the driving mechanism coincide. The driving mechanism and the positioning structure for positioning the inner barrel need to be controlled by driving elements respectively, which makes the control logic complicated, and the separately set positioning structure also makes the assembly of the washing machine more complicated.

[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 provide a washing machine with an inner drum that can independently hold water. By arranging a sealing mechanism that can block the drainage hole at the center of the bottom of the inner drum, the sealing mechanism can be driven by a driving mechanism without the need for prior positioning operation.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0008] A washing machine comprises an inner barrel, a drain hole is provided on the bottom of the inner barrel, a sealing mechanism can reciprocate to open / block the drain hole, and a driving mechanism drives the sealing mechanism to move to open / block the drain hole; the sealing mechanism blocks the drain hole to form a closed inner barrel for independently containing washing water;

[0009] The sealing mechanism is installed at the center of the bottom of the inner barrel, and includes a sealing member for sealing the drainage hole, and a supporting portion connected to the sealing member, wherein one end of the supporting portion away from the sealing member is located outside the bottom of the inner barrel; the driving mechanism pushes the supporting portion to drive the sealing member to open or seal the drainage hole.

[0010] Furthermore, the washing machine further comprises an inner barrel shaft for driving the inner barrel to rotate, the inner barrel shaft comprises an inner barrel shaft disc connected to the barrel bottom of the inner barrel, and the drainage hole is located at the outer periphery of the inner barrel shaft disc;

[0011] The sealing member is a sealing cover arranged on the inner side of the bottom of the inner barrel, the supporting portion extends along the axial direction of the inner barrel, one end of which is connected to the sealing cover, and the other end of which passes through the bottom of the inner barrel; the driving mechanism pushes the supporting portion to drive the sealing member to open the drainage hole;

[0012] A through hole is provided on the bottom of the inner barrel for the support part to pass through, and the support part is slidably and sealingly connected to the inner wall of the through hole;

[0013] Preferably, the support portion passes through the barrel bottom and the inner barrel shaft disc of the inner barrel in sequence.

[0014] Furthermore, the inner barrel shaft is a hollow structure, in which a impeller shaft is rotatably arranged, and one end of the impeller shaft extending into the inner barrel passes through the sealing cover and is connected to the impeller in the inner barrel, driving the impeller to rotate.

[0015] Further, the driving mechanism is arranged below the inner barrel, and comprises a driving member, a toggle member and a fixing seat; the fixing seat is fixedly arranged, the middle part of the toggle member is rotatably mounted on the fixing seat, one end of the toggle member abuts against one end of the support portion passing through the inner barrel, and the other end can swing towards / away from the inner barrel under the driving of the driving member;

[0016] The other end of the toggle member is driven by the driving member to swing away from the inner barrel, thereby driving the end of the toggle member that abuts against the support part to swing toward the inner barrel, pushing the support part to open the drainage hole of the sealing cover.

[0017] Furthermore, the support portion includes a plurality of support columns evenly distributed on the outer periphery of the inner barrel shaft, and a connecting ring sleeved on the inner barrel shaft, the ends of the plurality of support columns passing through the inner barrel are connected to the connecting ring, and the connecting ring abuts against the end of the toggle member;

[0018] The support column is detachably connected to the sealing cover, and / or the support column is detachably connected to the connecting ring.

[0019] Furthermore, one end of the toggle member has a forked portion, and the forked portion is limited on the outer periphery of the inner barrel shaft and abuts against the support portion.

[0020] Furthermore, a relatively rotatable sealing sleeve is coaxially sleeved on the inner barrel shaft, an outer wall of the inner barrel shaft and an inner wall of the sealing sleeve are spaced apart, and the support portion passes through the inner barrel and is arranged between the inner barrel shaft and the sealing sleeve;

[0021] An opening is arranged on the side of the sealing sleeve, and one end of the toggle member extends into the sealing sleeve through the opening and abuts against the supporting part;

[0022] Preferably, one end of the sealing sleeve close to the inner barrel is sleeved on the inner barrel shaft disc and is rotatably sealedly connected to the inner barrel shaft disc.

[0023] Furthermore, the opening is sealed and connected to a sealing tube, the toggle member is arranged in the sealing tube, and one end of the toggle member passes through the sealing tube and extends into the interior of the sealing sleeve.

[0024] Furthermore, one end of the sealing sleeve away from the bottom of the inner barrel is connected to a water pipe, and the water pipe is connected to a drainage pipeline of the washing machine.

[0025] Furthermore, the washing machine further comprises a water collecting device arranged below the inner tub, the water collecting device is communicated with a drainage pipeline of the washing machine, and the driving mechanism is mounted on the water collecting device;

[0026] Preferably, the fixing seat and the driving member of the driving mechanism are arranged below the water collecting device and are fixedly connected to the water collecting device.

[0027] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0028] The washing machine of the present invention can independently hold washing water in the inner barrel during washing, thereby saving the amount of washing water, and the sealing mechanism cooperates with the driving mechanism to realize the sealing and drainage functions of the inner barrel. The sealing mechanism is installed at the center of the barrel bottom of the inner barrel, and its position does not change with the rotation of the inner barrel. The driving mechanism can directly act to drive the sealing mechanism to open or block the drainage hole without the need for a positioning operation in advance, and the control logic is simple.

[0029] The washing machine of the present invention forms a lever structure through a toggle member, and can eccentrically arrange the fixed seat and the driving member of the driving mechanism below the inner barrel, while realizing control of the sealing mechanism at the center of the bottom of the inner barrel. The structure is simple and avoids affecting the transmission structure below the center of the bottom of the inner barrel.

[0030] In the washing machine of the present invention, the end of the support part passing through the inner barrel is provided with a connecting ring, and the toggle member acts on the connecting ring, thereby increasing the area of ​​the end of the support part, ensuring that the toggle member effectively pushes the support part, and having higher reliability. The end of the toggle member abutting against the support part is provided with a fork connection part limited on the outer periphery of the inner barrel shaft, and the support part is pushed by the fork connection part, so that the support part is evenly stressed, and the drainage hole is more easily opened.

[0031] The washing machine of the present invention is provided with a sealing sleeve and a sealing pipe. When the seal fails and water leaks at the position where the support part passes through the inner barrel, the leaked water is prevented from directly falling into the washing machine and damaging the internal circuit of the washing machine. The end of the sealing sleeve is connected to the water guide pipe, so that the leaked water can be directly guided into the drainage pipeline of the washing machine and then discharged from the washing machine, thereby preventing water from accumulating inside the sealing sleeve.

[0032] 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

[0033] 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:

[0034] Figure 1 It is a schematic diagram of the sealing mechanism in the washing machine of the present invention blocking the drainage hole;

[0035] Figure 2 is a schematic diagram of the sealing mechanism in the washing machine of the present invention opening the drain hole;

[0036] Figure 3 It is an enlarged structural schematic diagram of the sealing mechanism in the washing machine of the present invention.

[0037] In the figure: 1. water collecting device; 2. drainage pipeline; 3. speed reduction clutch device; 4. motor; 100. inner barrel; 101. drainage hole; 110. inner barrel shaft; 111. inner barrel shaft disk; 200. sealing mechanism; 210. sealing cover; 211. sealing gasket; 220. supporting part; 221. supporting column; 222. connecting ring; 223. first sealing member; 300. impeller; 310. impeller shaft; 400. driving mechanism; 410. toggle member; 411. fork joint; 500. sealing sleeve; 501. second sealing member; 510. sealing tube; 520. water guide pipe.

[0038] 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

[0039] 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.

[0040] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “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. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" 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 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.

[0042] like Figures 1 to 3 As shown, the washing machine described in this embodiment includes an inner barrel 100, a drainage hole 101 is provided on the bottom of the inner barrel 100, a sealing mechanism 200 that can reciprocate to open / block the drainage hole 101, and a driving mechanism 400 that drives the sealing mechanism 200 to move to open / block the drainage hole 101. The sealing mechanism 200 blocks the drainage hole 101 to form a closed inner barrel 100 for independently containing washing water.

[0043] The sealing mechanism 200 is installed at the center of the bottom of the inner tub 100, and includes a sealing member for sealing the drainage hole 101, and a support portion 220 connected to the sealing member, wherein one end of the support portion 220 away from the sealing member is located outside the bottom of the inner tub 100. The driving mechanism 400 pushes the support portion 220 to drive the sealing member to open or seal the drainage hole 101.

[0044] In the above solution, no dehydration holes are provided on the barrel wall of the inner barrel 100 at least in the area below the highest water level of the washing machine, so that the inner barrel 100 can independently hold water during the washing / rinsing process, saving the amount of washing / rinsing water. For a washing machine with an outer barrel outside the inner barrel 100, no water is stored between the inner barrel 100 and the outer barrel during the washing / rinsing process, thereby avoiding the situation where dirt is bred between the inner barrel 100 and the outer barrel and contaminates the clothes.

[0045] The sealing mechanism 200 is installed at the center of the bottom of the inner tub 100 and can rotate synchronously with the inner tub 100, but its position does not change. Compared with the solution of eccentrically setting the drainage sealing device at the bottom of the tub in the prior art, the driving mechanism 400 can directly drive the sealing mechanism 200 to open or block the drainage hole 101 without the need for positioning operation first, and the control logic is simple. At the same time, the positioning mechanism is omitted, the structure of the washing machine is simplified, and the cost is reduced.

[0046] Furthermore, the washing machine also includes an inner barrel shaft 110 for driving the inner barrel 100 to rotate, the inner barrel shaft 110 has an inner barrel shaft disk 111 connected to the bottom of the inner barrel 100 , and the drainage hole 101 is located at the outer periphery of the inner barrel shaft disk 111 .

[0047] In one solution of this embodiment, the sealing member is arranged at the center of the outer side of the bottom of the inner tub 100, and blocks the drain hole 101 from bottom to top. An elastic member is also installed on the bottom of the inner tub 100 to apply a downward elastic force to the sealing mechanism 200, so that the normal state of the sealing mechanism 200 is to open the drain hole 101. During the washing / rinsing process, the driving mechanism 400 pushes the support part 220 from below, so that the sealing mechanism 200 overcomes the elastic force of the elastic member and moves upward to block the drain hole 101. During the drainage and dehydration process, the driving mechanism 400 releases the push on the support part 220, and the sealing mechanism 200 is reset downward under the elastic force of the elastic member to open the drain hole 101.

[0048] In another solution of this embodiment, the sealing member is a sealing cover 210 disposed on the inner side of the bottom of the inner barrel 100, and a sealing gasket 211 is disposed on the outer periphery of the lower surface of the sealing cover 210. The support portion 220 extends along the axial direction of the inner barrel 100, with the upper end connected to the sealing cover 210 and the lower end passing through the bottom of the inner barrel 100.

[0049] A through hole is provided on the bottom of the inner barrel 100 for the support part 220 to pass through, and the support part 220 is slidably sealed and connected to the inner wall of the through hole. Specifically, a first sealing member 223 is fixed on the inner wall of the through hole, and the support part 220 is slidably sealed and connected to the first sealing member 223. The first sealing member 223 can also be fixed on the outer wall of the support part 220, and the inner wall of the through hole is slidably sealed and connected to the first sealing member 223.

[0050] An elastic member that applies downward elastic force to the sealing mechanism 200 is disposed on the inner barrel 100 or the inner barrel shaft 110, so that the normal state of the sealing mechanism 200 is that the sealing gasket 211 is in sealing contact with the barrel bottom of the inner barrel 100, thereby blocking the drainage hole 101. The driving mechanism 400 pushes the support part 220 to drive the sealing cover 210 to move upward, so that the sealing rubber gasket 211 is separated from the barrel bottom of the inner barrel 100, and the drainage hole 101 is opened. The driving mechanism 400 releases the push on the support part 220, and the sealing mechanism 200 is reset downward to block the drainage hole 101 under the elastic force of the elastic member.

[0051] In the above solution, the normal state of the sealing mechanism 200 is to block the drain hole 101, so that during the washing / rinsing process, the driving mechanism 400 does not need to act on the support part 220, and can be arranged at a distance from the support part 220. Therefore, during the washing process, the inner tub 100 can also rotate, and for a washing machine in which a pulsator 300 is arranged in the inner tub 100, a dual-power washing mode can be realized in which the inner tub 100 and the pulsator 300 rotate simultaneously.

[0052] Preferably, the support portion 220 passes through the bottom of the inner barrel 100 and the inner barrel shaft disk 111 in sequence, so that the support portion 220 can be arranged closer to the outer periphery of the inner barrel shaft 110, reducing the space occupied by the support portion 220 in the radial direction of the inner barrel 100.

[0053] Furthermore, the inner barrel shaft 110 is a hollow structure, in which a impeller shaft 310 is rotatably arranged. One end of the impeller shaft 310 extending into the inner barrel 100 passes through the sealing cover 210 and is connected to the impeller 300 in the inner barrel 100, driving the impeller 300 to rotate.

[0054] In this embodiment, a motor 4 is arranged under the inner barrel 100, and the output end of the motor 4 is connected to the input end of the reduction clutch device 3. The power is transmitted to the inner barrel shaft 110 and the impeller shaft 310 through the reduction clutch device 3, so that the inner barrel shaft 110 and the impeller shaft 310 can respectively drive the inner barrel 100 and the impeller 300 to rotate under the drive of the motor 4.

[0055] In a further solution of this embodiment, the driving mechanism 400 is arranged below the inner barrel 100, and includes a driving member, a toggle member 410 and a fixing seat. The fixing seat is fixedly arranged, and the middle part of the toggle member 410 is rotatably mounted on the fixing seat, the left end of the toggle member abuts against the end of the support portion 220 passing through the inner barrel 100, and the right end can swing in the direction of approaching / moving away from the inner barrel 100 under the drive of the driving member.

[0056] The right end of the toggle member 410 is driven by the driving member to swing away from the inner barrel 100, thereby driving the left end of the toggle member 410 to swing toward the inner barrel 100, pushing the support portion 220 upward, so that the sealing cover 210 opens the drainage hole 101.

[0057] In the above scheme, the middle part of the toggle member 410 is rotatably mounted on a fixed seat, thereby forming a lever structure, and the action of the other end can be controlled by driving one end of the toggle member 410. The structure is simple and easy to implement. In this embodiment, the fixed seat and the driving member of the driving mechanism 400 are eccentrically arranged below the inner barrel 100, and the control of the sealing mechanism 200 at the center of the bottom of the inner barrel 100 is achieved through the lever structure of the toggle member 410, avoiding the need to set the driving mechanism below the center of the bottom of the inner barrel 100, which affects the installation of the speed reduction clutch device 3 and the motor 4.

[0058] In a further solution of this embodiment, the support portion 220 includes a plurality of support columns 221 evenly distributed on the outer periphery of the inner barrel shaft 110, and a connecting ring 222 sleeved on the inner barrel shaft 110, and the ends of the plurality of support columns 221 passing through the inner barrel are connected to the connecting ring 222. The connecting ring 222 abuts against the left end of the toggle member 410, and can move upward under the push of the toggle member 410, driving the sealing cover 210 to open the drain hole 101.

[0059] The support column 221 is detachably connected to the sealing cover 210. During assembly, the lower ends of multiple support columns 221 are connected as a whole through a connecting ring 222. The upper ends of the support columns 221 are inserted into the inner barrel from the outside of the bottom of the inner barrel 100 and connected to the sealing cover 210 on the inner side of the inner barrel 100.

[0060] Alternatively, the support column 221 and the connecting ring 222 are detachably connected. During assembly, the upper ends of the plurality of support columns 221 are connected to the sealing cover 210 , and the lower ends pass through the inner side of the bottom of the inner barrel 100 and are respectively connected to the connecting rings 222 .

[0061] In another solution of this embodiment, the support column 221 is detachably connected to the sealing cover 210 and the connecting ring 222, and the sealing mechanism 200 can also be installed on the inner barrel 100.

[0062] In a preferred solution of this embodiment, one end of the toggle member 410 has a forked portion 411 , and the forked portion 411 is limited on the outer periphery of the inner barrel shaft 110 and abuts against the support portion 220 .

[0063] In the above solution, the end of the support part 220 has a connecting ring 222, which increases the area of ​​the lower end surface of the support part 220. The toggle member 410 acts on the connecting ring 222, ensuring the effective contact between the toggle member 410 and the support part 220, thereby improving the effectiveness of the toggle member 410 pushing the support part 220, and the reliability is higher. The end of the toggle member 410 that abuts against the support part 220 has a fork connection part 411 limited on the outer periphery of the inner barrel shaft 110. The fork connection part 411 pushes the support part 220, so that the force on the support part 220 is more uniform, and it is easier to open the drainage hole 101.

[0064] In a further solution of this embodiment, a relatively rotatable sealing sleeve 500 is coaxially sleeved on the inner barrel shaft 110, and an outer wall of the inner barrel shaft 110 and an inner wall of the sealing sleeve 500 are spaced apart, and the support portion 220 passes through the inner barrel 100 and is disposed between the inner barrel shaft 110 and the sealing sleeve 500.

[0065] The sealing sleeve 500 is fixedly disposed inside the washing machine. An opening is disposed on the side of the sealing sleeve 500 . The left end of the shifting member 410 extends into the sealing sleeve 500 through the opening and abuts against the supporting portion 220 .

[0066] Preferably, the end of the sealing sleeve 500 close to the inner barrel 100 is sleeved on the inner barrel shaft disc 111 and is rotatably sealed and connected to the inner barrel shaft disc 111. Specifically, a second sealing member 501 is provided between the inner wall of the sealing sleeve 500 and the inner barrel shaft disc 111, and the second sealing member 501 is sleeved on the inner barrel shaft disc 111, and the inner side is fixedly sealed and connected to the inner barrel shaft disc 111, and the outer side is rotatably sealed and connected to the inner wall of the sealing sleeve 500.

[0067] Furthermore, the opening is sealed and connected to the sealing tube 510 , the toggle member 410 is disposed in the sealing tube 510 , and the left end of the toggle member 410 passes through the sealing tube 510 and extends into the interior of the sealing sleeve 500 .

[0068] In a preferred solution of this embodiment, one end of the sealing sleeve 500 away from the bottom of the inner tub 100 is connected to a water pipe 520, and the water pipe 520 is connected to a drainage pipeline 2 of the washing machine.

[0069] In the above scheme, by providing a sealing sleeve 500, when the seal fails and water leakage occurs at the position where the support part 220 passes through the inner barrel 100, the leaked water flows into the sealing sleeve 500 instead of falling directly into the washing machine, thereby preventing the leakage from damaging the internal circuit of the washing machine or causing other effects.

[0070] The sealing sleeve 500 is provided with an opening for the toggle member 410 to pass through, so as to achieve contact between the left end of the toggle member 410 and the support portion 220. The provision of the sealing tube 510 further avoids water leakage at the opening on the sealing sleeve 500. In an optimal solution of this embodiment, the left end of the sealing tube 510 is sealedly connected to the sealing sleeve 500, and the right end is connected to a sealed chamber, and the fixed seat and the driving member of the driving mechanism 400 are both arranged inside the sealed chamber. In this way, the driving mechanism 400 is completely sealed, and the water leaking from the inner barrel 100 is prevented from entering the interior of the washing machine to the greatest extent.

[0071] The lower end of the sealing sleeve 500 is connected to the water pipe 520. When water leakage occurs, the leaked water can be directly introduced into the drainage pipe 2 of the washing machine and then discharged from the washing machine, thereby preventing water from accumulating inside the sealing sleeve 500.

[0072] In a further solution of this embodiment, the washing machine further includes a water collecting device 1 arranged below the inner barrel 100 , the water collecting device 1 is connected to a drainage pipeline 2 of the washing machine, and the driving mechanism 400 is installed on the water collecting device 1 .

[0073] Preferably, the fixing seat and the driving member of the driving mechanism 400 are arranged below the water collecting device 1 and fixedly connected to the water collecting device 1 .

[0074] In the above solution, a water collecting device 1 is provided below the inner tub 100 to collect water discharged from the inner tub 100 and then discharge it from the washing machine. The fixing seat and the driving member are provided below the water collecting device 1 to avoid occupying the space between the inner tub 100 and the water collecting device, and the capacity of the inner tub 100 is ensured when the volume of the whole washing machine is constant.

[0075] The washing machine of this embodiment has an inner barrel 100 that can independently hold washing water during the washing process, which saves the amount of washing water and avoids the problem of easy accumulation of dirt and difficulty in cleaning between the inner barrel 100 and the outer barrel in the prior art. The sealing mechanism 200 used to block the drainage hole 101 on the inner barrel 100 is installed at the center of the bottom of the inner barrel 100, and its position does not change with the rotation of the inner barrel 100. The sealing mechanism 200 can be directly driven by the driving mechanism 400 to open or block the drainage hole 101 without positioning operation, and the control logic is simple. The setting of the positioning mechanism is cancelled, and only one driving element is needed to realize the drainage function of the inner barrel 100, the structure is simpler, and the cost of the washing machine is reduced.

[0076] The above 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, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. A washing machine, comprising an inner barrel, a drain hole being provided on the bottom of the inner barrel, a sealing mechanism capable of reciprocating to open or block the drain hole, and a driving mechanism for driving the sealing mechanism to move to open or block the drain hole; the sealing mechanism blocks the drain hole to form a closed inner barrel for independently containing washing water; It is characterized in that The sealing mechanism is installed at the center of the bottom of the inner barrel; the washing machine includes an inner barrel shaft driving the inner barrel to rotate, the inner barrel shaft has an inner barrel shaft disk connected to the bottom of the inner barrel, and the drainage hole is located at the outer periphery of the inner barrel shaft disk; The sealing mechanism comprises a sealing cover and a supporting part; the sealing cover is arranged on the inner side of the bottom of the inner barrel and is used to block the drainage hole; the supporting part extends along the axial direction of the inner barrel, one end of which is connected to the sealing cover and the other end of which passes through the bottom of the inner barrel; A through hole is provided on the bottom of the inner barrel for the support part to pass through, and the support part is slidably and sealingly connected to the inner wall of the through hole; The driving mechanism is arranged below the inner barrel, and comprises a driving member, a toggle member and a fixing seat; the fixing seat is fixedly arranged, and the middle part of the toggle member is rotatably mounted on the fixing seat, one end of the toggle member abuts against one end of the support portion passing through the inner barrel, and the other end can swing towards or away from the inner barrel under the driving of the driving member; The other end of the toggle member swings away from the inner barrel under the drive of the driving member, thereby driving the end of the toggle member that abuts against the support part to swing toward the inner barrel, pushing the support part to drive the sealing cover to open the drainage hole.

2. The washing machine according to claim 1, characterized in that: The supporting part passes through the barrel bottom and the inner barrel shaft disc of the inner barrel in sequence.

3. The washing machine according to claim 1, characterized in that: The inner barrel shaft is a hollow structure, in which a impeller shaft is rotatably arranged. One end of the impeller shaft extending into the inner barrel passes through the sealing cover and is connected to the impeller in the inner barrel, thereby driving the impeller to rotate.

4. The washing machine according to claim 1, characterized in that: The support part includes a plurality of support columns evenly distributed on the outer periphery of the inner barrel shaft, and a connecting ring sleeved on the inner barrel shaft, the ends of the plurality of support columns passing through the inner barrel are connected to the connecting ring, and the connecting ring abuts against the end of the toggle member; The support column is detachably connected to the sealing cover, and / or the support column is detachably connected to the connecting ring.

5. The washing machine according to any one of claims 1 to 4, characterized in that: One end of the toggle member is provided with a forked portion, and the forked portion is limited on the outer periphery of the inner barrel shaft and abuts against the supporting portion.

6. The washing machine according to any one of claims 1 to 4, characterized in that: A sealing sleeve is coaxially sleeved on the inner barrel shaft and can rotate relatively, the outer wall of the inner barrel shaft and the inner wall of the sealing sleeve are spaced apart, and the support part passes through the inner barrel and is arranged between the inner barrel shaft and the sealing sleeve; An opening is arranged on the side of the sealing sleeve, and one end of the shifting member extends into the sealing sleeve through the opening to abut against the supporting part.

7. The washing machine according to claim 6, characterized in that: One end of the sealing sleeve close to the inner barrel is sleeved on the inner barrel shaft disc and is rotatably sealed and connected with the inner barrel shaft disc.

8. The washing machine according to claim 6, characterized in that: The opening is sealed and connected to a sealing tube, the toggle member is arranged in the sealing tube, and one end of the toggle member passes through the sealing tube and extends into the interior of the sealing sleeve.

9. The washing machine according to claim 6, characterized in that: One end of the sealing sleeve away from the bottom of the inner barrel is connected to a water pipe, and the water pipe is connected to a drainage pipeline of the washing machine.

10. The washing machine according to any one of claims 1 to 4, characterized in that: The washing machine further comprises a water collecting device arranged below the inner barrel, the water collecting device is communicated with a drainage pipeline of the washing machine, and the driving mechanism is mounted on the water collecting device.

11. The washing machine according to claim 10, characterized in that: The fixing seat and the driving member are arranged below the water collecting device and are fixedly connected to the water collecting device.

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