washing machine

Abstract

The present invention discloses a washing machine, comprising a rotating barrel and a water collecting tank installed outside the rotating barrel, the rotating barrel is a water storage barrel, a drain outlet is provided at the lower part of the rotating barrel, a normally closed sealing valve is installed at the drain outlet, the sealing valve is configured to rotate integrally with the rotating barrel during washing, and a drainage opening assembly that can control the opening of the sealing valve is installed on the water collecting tank. The sealing valve is sealedly connected to the drain outlet, a water channel connecting the inside and outside of the rotating barrel is provided in the sealing valve, and a water channel normally closed structure is provided on the water channel; preferably, the sealing valve is installed in the drain outlet, and the water channel passes through the drain outlet. The sealing valve comprises a valve body and a valve plug, a cavity forming a water channel from the water inlet end to the water outlet end is defined in the valve body, the valve plug can be movably arranged in the cavity, and a force providing unit that provides the valve plug with a force acting on the normally closed valve body water channel is also installed in the cavity. The washing machine of the present invention has the characteristics of water saving and good washing effect.

Description

Technical Field

[0001] The invention belongs to the field of washing equipment, and in particular relates to a washing machine with a water-saving function. Background Art

[0002] In the existing pulsator washing machine, a plurality of dehydration holes are arranged on the peripheral wall of the washing tub, and the washing tub is connected with the water tub. The washing tub is a clothing storage area for washing clothes. The water filled between the side walls of the washing tub and the water tub does not participate in washing. The water actually participating in washing is the water in the washing tub, which results in a huge waste of water resources. In addition, too much water between the washing tub and the water tub will also reduce the concentration of the detergent and affect the washing effect.

[0003] With the advancement of technology, the washing tub is changed to a non-hole one, that is, there is no dehydration hole on the wall of the washing tub, and the washing water is completely stored in the washing tub. At this time, there is no water between the washing tub and the water storage tub, commonly known as no water between the tubs. When dehydrating, open the drain at the bottom of the washing tub, and the mud, sand and thread scraps are drained from the bottom with the water flow. The water in the clothes is discharged from the upper part of the wall of the washing tub. When washing, the drain at the bottom of the washing tub needs to be closed.

[0004] To this end, the relevant technology proposes a blocking mechanism for limiting the rotation of the washing tub and a drainage sealing structure for closing the drain outlet. Specifically, a locking hole is set at the bottom of the washing tub, and a retractable locking rod is used to cooperate with the locking hole. When the locking rod is extended, it cooperates with the locking hole to lock the washing tub. When the locking rod is retracted, it escapes from the locking hole and the washing tub is contact-locked.

[0005] When washing, the washing tub is locked and the drain port of the washing tub is closed by the drain sealing structure, while when dehydrating, the washing tub needs to be rotated and the drain sealing structure opens the drain port of the washing tub. The drain sealing structure is not only complex in structure, but also needs to limit the rotation of the washing tub during the washing process, making many washing methods that require the rotation of the washing tub impossible to implement, which relatively reduces the washing efficiency.

[0006] In view of this, the present invention is proposed. Summary of the invention

[0007] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a washing machine. The washing machine has a sealed rotating drum for holding water, and the drain outlet of the rotating drum is equipped with a sealing valve with a simple structure and reliable sealing. During the washing process of the washing machine, the rotating drum can rotate in a controllable manner to provide a strong washing water flow, which can save water and improve the washing ratio at the same time.

[0008] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0009] A washing machine comprises a rotating tub and a water collecting tank installed outside the rotating tub. The rotating tub is a water storage tub. A drainage port is provided at the lower part of the rotating tub. A normally closed sealing valve is installed at the drainage port. During the washing process, the sealing valve is configured to rotate integrally with the rotating tub. A drainage opening component capable of controlling the opening of the sealing valve is installed on the water collecting tank.

[0010] Furthermore, the sealing valve is sealed and connected to the drain port, a water channel connecting the inside and outside of the rotating barrel is provided in the sealing valve, and a water channel normally closed structure is provided on the water channel;

[0011] Preferably, the sealing valve is installed in the drain outlet, and the water path passes through the drain outlet.

[0012] Furthermore, the sealing valve includes a valve body and a valve plug, and a cavity forming a water path from the water inlet end to the water outlet end is defined in the valve body. The valve plug is movably arranged in the cavity, and a force providing unit for providing force to the valve plug to normally close the valve body water path is also installed in the cavity.

[0013] Furthermore, in order to enable the valve plug to normally close the valve body waterway better and optimize the force provided to the valve plug to normally close the valve body waterway, the force providing unit is arranged in the cavity between the water inlet end and the valve plug;

[0014] Preferably, the force providing unit provides a force on the valve plug toward the water outlet end to seal the water path between the valve plug and the water outlet end;

[0015] Also preferably, the force providing unit provides a force in the opposite direction of the force acting on the water path of the valve plug normally closed valve body to act on the water inlet end.

[0016] Furthermore, in order to enable the valve plug to move more smoothly in the cavity to better open the water path in the valve body, the valve plug is restricted to linear motion in the cavity between the water inlet end and the water outlet end.

[0017] Furthermore, the valve body cavity and the valve plug cooperate to form a water outlet waterway from the water inlet end to the water outlet end, which sequentially includes a first waterway from the water inlet end to the valve plug, a second waterway between the outer periphery of the valve plug and the inner wall of the cavity, and a third waterway that can be opened and closed between the end face of the valve plug close to the water outlet end and the water outlet end.

[0018] Furthermore, in order to prevent the valve plug from moving out of position when the water path is opened, a guide structure is provided between the valve plug and the valve body to limit the movement of the valve plug in a predetermined direction between the water inlet end and the water outlet end.

[0019] Furthermore, in order to reduce the damage to the force providing unit and the water inlet end caused by excessive movement of the valve plug when opening the water channel, a blocking structure that limits the movement of the valve plug to a certain position is also provided in the valve body.

[0020] Furthermore, the valve body comprises:

[0021] The first sealing cover is provided with a water through hole to form a water inlet end;

[0022] The second cover is connected to the first cover, and the two covers cooperate to form a cavity. A water outlet is arranged in the direction opposite to the water inlet end to form a water outlet end.

[0023] Furthermore, the first cover and the second cover are clamped and arranged on the inner and outer sides of the rotating barrel, the first cover is installed on the side corresponding to the inside of the rotating barrel, and the second cover is installed on the side corresponding to the outside of the rotating barrel, and the cavity formed by the two covers passes through the drain port.

[0024] Furthermore, in order to simplify the assembly process of the sealing valve, the second cover has a groove, the first cover is installed on the opening of the groove, the cavity is formed inside, a water outlet is provided at the bottom of the groove to form the water outlet end, and a gap is provided between the outer periphery of the valve plug and the side wall of the groove to form a second water path, and the valve plug is controlled to be away from the bottom of the groove so that a third water path connecting the second water path and the water outlet is formed between the valve plug and the bottom of the groove.

[0025] Furthermore, the side wall of the groove and the outer periphery of the valve plug are provided with a guide structure for limiting the movement of the valve plug along a predetermined trajectory between the water inlet end and the water outlet end;

[0026] Preferably, the guide structure includes a guide groove and a guide protrusion located in the guide groove, which are respectively arranged on the side wall of the groove and the outer periphery of the valve plug.

[0027] Furthermore, a blocking structure is provided on the side wall of the groove near the water inlet end to limit the valve plug to move to a certain position;

[0028] Preferably, the blocking structure is a blocking convexity arranged on the side wall of the groove, or the groove is a groove body structure with a stepped inner diameter, and the inner diameter of the groove close to the water outlet is larger than the inner diameter of the groove close to the water inlet.

[0029] Furthermore, the force providing unit is an elastic support member in a compressed state, one end of which is supported and connected to the valve plug to provide elastic force to support the normally closed water outlet end of the valve plug, and the other end of which is supported and connected to the first sealing cover.

[0030] Furthermore, the elastic support member is a compression spring, and both ends are limitedly supported on the first sealing cover and the valve plug respectively;

[0031] Preferably, the compression spring is in a truncated cone structure, and the diameter of one end supported on the first cover is smaller than the diameter of one end supported on the valve plug, and this structure can reduce the misalignment caused by the movement of the valve plug;

[0032] Also preferably, the first cover is provided with a positioning boss, the valve plug is provided with an annular limiting groove, one end of the compression spring is sleeved on the positioning boss, and the other end is provided in the limiting groove.

[0033] Furthermore, the valve plug has a force-bearing portion for receiving the force of the normally closed valve body water channel provided by the force providing unit and a sealing portion for closing the valve body water channel, the force-bearing portion is connected to the sealing portion, the force-bearing portion is arranged on the side close to the water inlet end, and the sealing portion is arranged on the side close to the water outlet end;

[0034] Preferably, the hardness of the force-bearing portion is greater than the hardness of the sealing portion;

[0035] Preferably, the force-bearing portion is in abutting connection with the sealing portion, or the force-bearing portion is integrally connected with the sealing portion.

[0036] Furthermore, the drainage opening assembly is arranged outside the valve body;

[0037] Preferably, the drainage opening assembly provides a force to the valve plug to open the water path of the valve body along the direction from the water outlet end to the water inlet end.

[0038] Furthermore, the drainage opening assembly includes:

[0039] A lifting member, which lifts the valve plug to move toward the water inlet end to open the water path of the valve body;

[0040] A driving member is a component that drives the lifting member to lift the valve plug.

[0041] Furthermore, the lifting member includes a lifting rod and a waterproof sleeve sleeved outside the lifting rod, the lifting rod is connected to the driving member, and the waterproof sleeve extends from the top of the lifting rod at least to surround the connection position between the lifting rod and the driving member.

[0042] Furthermore, the sealing part and the end surface of the water outlet seal to realize the normally closed third waterway, and the thickness of the sealing part corresponding to the water outlet of the water outlet is greater than the thickness of other parts, so as to extend into the water outlet. This structure can not only increase the strength of the valve plug, reduce the damage caused by the force provided by the drainage opening component to the valve plug sealing part, but also play the role of guiding the valve plug to reset and seal the water outlet, strengthen the sealing effect, and prevent the occurrence of poor sealing due to the misalignment of the valve plug when it is reset again after being opened.

[0043] Furthermore, the lifting member provides a supporting force for lifting the valve plug from the water outlet position of the water outlet end.

[0044] The rotating tub is provided with a water flow agitator, and during the washing process the water flow agitator is configured to rotate independently of the rotating tub;

[0045] Preferably, during the washing process, the water flow agitator is configured to rotate in the opposite direction to the rotating tub.

[0046] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0047] The washing machine described in the present invention is equipped with a normally closed self-locking sealing valve at the drain outlet of the rotating drum. The structure is simple and reliable, and it can achieve self-sealing without external force. The greater the water pressure in the drum, the better the sealing effect. At the same time, since the drain outlet is a normally closed structure, the possibility of initial water leakage is avoided, thereby relatively saving water resources.

[0048] The sealing valve on the rotating barrel of the present invention is exquisitely designed, can prevent foreign matter from affecting the water channel seal, reduce the possibility of water leakage caused by poor sealing, and has the advantages of simple structure, reliable drainage and sealing performance, etc.

[0049] The sealing valve of the present invention seals the drain outlet of the rotating tub and does not affect the movement of the rotating tub when the drain outlet is sealed. The rotation of the rotating tub can be used to enhance the washing water flow during the washing process, thereby relatively improving the washing ratio.

[0050] 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

[0051] 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:

[0052] Figure 1 Schematic diagram of the normally closed state of the rotary drum sealing valve of the washing machine of the present invention;

[0053] Figure 2 Schematic diagram of the rotary drum sealing valve of the washing machine of the present invention in an open state;

[0054] Figure 3 It is a schematic diagram of the assembly structure of the rotary barrel and the sealing valve of the present invention;

[0055] Figure 4 yes Figure 3 A magnified schematic diagram of part A in FIG.

[0056] Figure 5 yes Figure 4 Schematic diagram of the middle sealing valve in the open state.

[0057] 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

[0058] 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.

[0059] 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.

[0060] 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 directly connected or indirectly connected 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.

[0061] like Figures 1 to 5 As shown, according to an embodiment of the rotary drum of a washing machine of the present invention, the washing machine comprises a rotary drum 1 with a water-holding function, a drain port (not shown in the figure) is provided at the bottom of the rotary drum 1, a sealing valve 2 is installed corresponding to the drain port, a water collecting tank for collecting washing water discharged from the drain port is provided outside the rotary drum 1, such as an outer drum 3, or the water collecting tank is a support plate supported under the rotary drum, the support plate is sealedly connected to the outer shell of the washing machine to collect water; the outer drum 3 can adopt the outer drum of an existing washing machine or a barrel-shaped water collecting structure lower than the upper edge of the rotary drum. The sealing valve 2 comprises a valve body 4, a valve plug 5 arranged in the valve body 4, and a force providing unit 6 that provides the valve plug 5 with a force to normally close the valve body water path, the water collecting tank is provided with a drainage opening assembly 7 corresponding to the sealing valve 2, the drainage opening assembly 7 is arranged outside the valve body 4 to drive the valve plug 5 to move to open the valve body 4 water path, the valve body 4 is installed in the drain port of the rotary drum 1, and the drainage opening assembly 7 is arranged on the water collecting tank below the drain port, such as the bottom of the outer drum 3 (see Figure 1 and Figure 2 ).

[0062] The force applied by the drainage opening assembly 7 to the valve plug 5 is greater than the sum of the force applied by the force providing unit 6 to the valve plug 5 and the pressure exerted on the valve plug by the maximum water level of the washing machine.

[0063] First, a sealing valve 2 according to an embodiment of the present invention will be described with reference to the drawings.

[0064] like Figures 1 to 5As shown, the sealing valve 2 according to the embodiment of the present invention comprises a valve body 4 and a valve plug 5, wherein a cavity 43 is defined in the valve body 4 to form a water path from a water inlet end 41 to a water outlet end 42, and the valve plug 5 is movably arranged in the cavity 43, wherein a force providing unit 6 for providing a force for the valve plug 5 to normally close the valve body water path is also installed in the cavity 43. A drainage opening component 7 is arranged outside the drainage port. The force provided by the force providing unit 6 to the valve plug 5 to normally close the valve body water path is hereinafter referred to as the first force, and the force provided by the drainage opening component 7 to the valve plug 5 to open the valve body water path is hereinafter referred to as the second force.

[0065] The first force and the second force are in opposite directions, corresponding to the direction from the water inlet end 41 to the water outlet end 42 and the reverse direction thereof. The valve plug 5 moves linearly in the cavity 43 between the water inlet end 41 and the water outlet end 42. This structure enables the valve plug to move more smoothly in the cavity, with a higher force utilization rate, and better open and close the waterway in the valve body.

[0066] The force providing unit 6 is disposed in a cavity 43 between the water inlet end 41 and the valve plug 5 ; the force providing unit 6 provides a reverse force of the first force of the valve plug 5 to act on the water inlet end 41 .

[0067] The valve body cavity 43 cooperates with the valve plug 5 to form a water outlet waterway from the water inlet end 41 to the water outlet end 42, which includes a first waterway from the water inlet end 41 to the valve plug 5, a second waterway between the outer periphery of the valve plug 5 and the inner wall of the cavity 43, and a third waterway between the end surface of the valve plug 5 close to the water outlet end 42 and the water outlet end 42 (see Figure 5 The first waterway and the second waterway are passages, the valve plug 5 normally closes the third waterway, and the first force always acts on the valve plug 5, so that the valve plug 5 is close to the water outlet end 42 and closes the third waterway; when the second force is applied to the valve plug 5, the valve plug 5 overcomes the first force and the pressure of the water, and the valve plug 5 moves toward the water inlet end 41, opening the third waterway, and the water outlet waterway is completely connected.

[0068] In order to prevent the valve plug 5 from moving out of position when the water path is opened, a guide structure is provided between the valve plug 5 and the valve body 4 to limit the movement of the valve plug 5 in a predetermined direction between the water inlet end 41 and the water outlet end 42 .

[0069] Furthermore, in order to reduce the damage to the force providing unit 6 and the water inlet end 41 caused by excessive movement of the valve plug 5 when opening the water circuit, and at the same time avoid the water flow rate of the first water circuit from decreasing, thereby reducing the water outlet flow rate of the sealing valve, a blocking structure is also provided in the valve body 4 to limit the movement of the valve plug 5 to a certain position.

[0070] According to the sealing valve 2 of the embodiment of the present invention, the drain outlet of the rotary drum can be opened and closed. Specifically, the force provided to the valve plug 5 by the force providing unit 6 and the drain opening component 7 is used to close and open the water outlet of the sealing valve. Compared with the structure of the related art that uses a driving mechanism to drive the valve plug to close the drain outlet, the structure is simpler and the force transmission path is simplified, making the transmission simpler, thereby reducing the requirements for matching accuracy, and greatly improving the stability of the action conversion. In addition, the force providing unit 6 is used to provide the valve plug 5 with a first force to close the water outlet. The provision of the first force is more continuous and reliable, and is affected by the water pressure of the inlet water. The more water is inlet, the better the sealing is, so the sealing effect is more reliable. Therefore, the sealing valve for the rotary drum of the washing machine according to the embodiment of the present invention has the advantages of simple structure, stable transmission, and reliable sealing.

[0071] In an embodiment of the washing machine of the present invention, in order to enhance the precise positioning between the drain opening assembly 7 and the valve plug 5 during drainage, the washing machine also includes a positioning device for rotating the rotating barrel 1 to a certain position, for example, a locking mechanism (not shown in the figure) for limiting the movement of the rotating barrel, and the locking mechanism can be switched between a state of limiting the rotation of the rotating barrel and a state of allowing the rotating barrel to rotate. The locking mechanism is installed on the outer barrel, or a part of the locking mechanism is installed on the rotating barrel and the other part is installed on the outer barrel.

[0072] Specifically, during the water intake and washing process of the washing machine, the sealing valve installed at the bottom of the rotating drum 1 closes the water outlet waterway, and the washing water is completely sealed in the rotating drum 1, and only the rotating drum 1 contains water. During the washing process, the washing machine can control the rotating drum 1 to rotate in at least one direction, for example, the rotating drum 1 and the impeller 8 can be controlled to rotate in opposite directions to achieve a dual-power washing effect, or the rotation of the rotating drum 1 can be uncontrolled, so that the rotating drum 1 is in a free state and rotates freely under the influence of the tumbling of the clothes in the drum and the flow of water; when the washing is completed and the rotating drum 1 is drained, the locking mechanism switches to a state that restricts the rotation of the rotating drum 1, and the rotating drum 1 is stopped. At this time, the rotating drum 1 is in a stationary state, and the second force provided by the drainage opening component 7 causes the valve plug 5 to move to open the water outlet waterway and start drainage. Most of the sediments such as mud, lint, particles, dirt, etc. are discharged through the water outlet waterway in the valve body 4. After drainage is completed, the locking mechanism releases the positioning restriction on the rotating tub 1, and the drainage opening component 7 also retracts the second force provided to the valve plug 5 to open the water outlet waterway. The valve plug 5 is only affected by the force providing unit, resets and recloses the water outlet waterway, the drainage port of the rotating tub 1 is closed, and dehydration begins. The washing machine controls the rotating tub 1 to rotate in one direction at a high speed higher than the rotation speed during washing. Under the influence of centrifugal force, the water in the clothes is thrown out and rises along the inner wall of the rotating tub to the upper dehydration hole for discharge.

[0073] The locking mechanism and the dehydration principle are known to those skilled in the art, such as the introduction to the background technology of the present invention, and will not be repeated here.

[0074] Embodiment 1

[0075] like Figure 4 and Figure 5 As shown, the valve body 4 described in this embodiment includes a first cover 44 and a second cover 45. The first cover 44 is provided with at least one water hole 441 to form the water inlet end 41; the second cover 45 is connected to the first cover 44, and the two covers cooperate to form the cavity 43. A water outlet 451 is provided in the direction opposite to the water inlet end 41 to form the water outlet end 42. The first cover 44 and the second cover 45 are clamped and arranged on the inner and outer sides of the barrel bottom. The first cover 44 is installed on the side of the barrel bottom corresponding to the inside of the rotating barrel, and the second cover 45 is installed on the side of the barrel bottom corresponding to the outside of the rotating barrel. The cavity 43 formed by the cooperation of the two covers passes through the drain port.

[0076] Preferably, the second cover 45 has a groove 452, the first cover 44 is installed on the opening of the groove 452, the cavity 43 is formed inside, the bottom of the groove is provided with a water outlet 451, forming the water outlet 42, a gap is formed between the outer periphery of the valve plug 5 and the side wall of the groove 452 to form a second water path, the valve plug 5 is controlled to be away from the bottom of the groove so that a third water path connecting the second water path and the water outlet is formed between the valve plug 5 and the bottom of the groove. The size of the water outlet 451 is sufficient to allow the second force provided by the drain opening assembly 7 to act on the valve plug 5.

[0077] Embodiment 2

[0078] like Figure 5 As shown, on the basis of the first embodiment, the side wall of the groove 452 of the second cover 45 and the outer periphery of the valve plug 5 in this embodiment are provided with a guide structure for limiting the movement of the valve plug 5 along a predetermined track between the water inlet end 41 and the water outlet end 42. The guide structure includes a guide groove 46 and a guide protrusion (not shown in the figure) located in the guide groove, which are respectively provided on the side wall of the groove 452 and the outer periphery of the valve plug 5, and the guide groove 46 is provided along the direction in which the valve plug 5 moves.

[0079] Furthermore, a blocking structure is provided on the side wall of the groove 452 near the water inlet end 41 to limit the valve plug 5 to move to a certain position; the blocking structure limits the distance between the valve plug 5 and the water inlet end 41 to meet the set first water passage water flow rate. Specifically, the groove 452 is a groove structure with a stepped inner diameter, the inner diameter R of the groove near the water outlet end is greater than the inner diameter r of the groove near the water inlet end, the position where the groove inner diameter changes stepwise forms the blocking structure 9, and the diameter D of the valve plug 5 satisfies: r<D<R, and the difference between R and D satisfies the set second water passage water flow rate.

[0080] Embodiment 3

[0081] like Figure 4 As shown, the force providing unit 6 described in this embodiment is a compression spring, one end of which is supported and connected to the valve plug 5 to provide elastic force to support the normally closed water outlet end 42 of the valve plug 5, and the other end is supported and connected to the first sealing cover 44.

[0082] In order to ensure that the valve plug 5 is evenly stressed, the compression spring 6 has a truncated cone structure, and the diameter of one end supported on the first cover 44 is smaller than the diameter of the other end supported on the valve plug 5. This structure can reduce the misalignment caused by the movement of the valve plug; the first cover 44 is provided with a positioning boss 442, and the valve plug 5 is provided with an annular limiting groove 51. One end of the compression spring 6 is sleeved on the positioning boss 442, and the other end is provided in the limiting groove 51.

[0083] Embodiment 4

[0084] like Figure 3 and Figure 4 As shown, the valve plug 5 described in this embodiment has a force-bearing portion 52 for receiving the first force and a sealing portion 53 for closing the third waterway, the force-bearing portion 52 is connected to the sealing portion 53, the force-bearing portion 52 is arranged on the side close to the water inlet end 41, and the sealing portion 53 is arranged on the side close to the water outlet end 42.

[0085] Preferably, the sealing portion 53 has a certain elastic deformation to maintain the seal with the water outlet 42. On the contrary, in order to maintain the force direction of the force-bearing portion 52 and avoid force misalignment causing the valve plug to deviate from the moving path, the hardness of the force-bearing portion is greater than the hardness of the sealing portion.

[0086] Since the second force is in the opposite direction to the first force, the drain opening assembly 7 is disposed outside the valve body 4 (see Figure 1 and Figure 2 ), therefore, the sealing portion 53 is also used to receive the second force. In order to reduce the damage to the valve plug sealing portion 53 caused by the second force, the thickness at the force-bearing position of the sealing portion 53 is designed to be greater than the thickness at other positions. In order to further maintain the end face sealing effect between the sealing portion and the water outlet end, the portion with increased thickness corresponds to the water outlet 451 of the water outlet end 42.

[0087] Preferably, the force-bearing portion 52 and the sealing portion 53 are in contact connection, or the force-bearing portion 52 and the sealing portion 53 are integrally connected, or the force-bearing portion 52 and the sealing portion 53 are an integral structure.

[0088] Embodiment 5

[0089] like Figure 1 and Figure 2 As shown, the drainage opening assembly 7 described in the present invention includes a lifting member 71 and a driving member 72. The lifting member 71 lifts the valve plug 5 to move toward the water inlet end 41 to open the valve body water channel. The driving member 72 is a power component that drives the lifting member 71 to lift the valve plug 5.

[0090] Furthermore, the lifting member 71 includes a lifting rod and a waterproof cover 711 sleeved outside the lifting rod, the lifting rod is connected to the driving member, and the waterproof cover extends from the top of the lifting rod to at least surround the connection position between the lifting rod and the driving member. Preferably, the waterproof cover 711 is configured as a corrugated cover structure (see Figure 3 ).

[0091] The driving member structure is known to those skilled in the art, such as the driving structure for driving the locking rod in the background technology of the present invention and the driving structure for driving the rod-shaped component to extend and retract in the prior art, which will not be described in detail here.

[0092] Embodiment 6

[0093] The washing machine described in the present invention can drive the rotating drum to rotate during the washing process to provide power for the water flow and the clothes to turn over, thereby improving the washing ratio; preferably, the rotating drum and the impeller are driven to rotate in opposite directions. The washing machine of the present invention not only drives the rotating drum and the impeller to rotate in opposite directions, but also can use the force of the impeller stirring the water flow to drive the rotating drum to rotate freely, or drive the rotating drum and the impeller to rotate in the same direction but at different speeds.

[0094] Since the rotating barrel of the present invention is a water storage barrel, the washing water only flows in the rotating barrel, and the peripheral wall of the rotating barrel does not have a dehydration hole for the washing water to circulate in and out of the existing ordinary washing machine. The rotation of the rotating barrel during washing can improve the kneading ability of the washing water. The water flow inside the rotating barrel converts the impact force of the washing water in and out of the dehydration hole of the existing ordinary washing machine into a kneading force of the water flow on the clothes as the barrel rotates. In particular, the impeller and the inner barrel rotate in opposite directions to each other, so that the washing water and the clothes are better kneaded and turned over, and the washing ratio is greatly improved.

[0095] In some specific examples to which the rotary drum of the washing machine of the present invention can be applied, the drain port is arranged on the side wall of the rotary drum body and is located at the lower part of the side wall, and the sealing valve is installed in the drain port of the side wall of the drum body. For washing machines, since the bottom space is usually tight due to the installation of components such as motors and clutches, the present invention can utilize the space on the side of the drum body by arranging the sealing valve on the side of the drum body, thereby reducing the occupation of the bottom space, increasing the usable amount of the bottom space of the washing machine, and facilitating the arrangement of components at the bottom of the washing machine. In addition, the sealing valve is arranged on the side of the drum body, which can reduce the influence of the vibration of the washing machine on the sealing valve, thereby further improving the reliability of drainage and sealing.

[0096] 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 a rotating tub and a water collecting tank installed outside the rotating tub, wherein the rotating tub is a water storage tub, characterized in that: The lower part of the rotating tub is provided with a drain port, and a normally closed sealing valve is installed at the drain port. During the washing process, the sealing valve is configured to rotate integrally with the rotating tub, and a drainage opening component capable of controlling the opening of the sealing valve is installed on the water collection tank; The sealing valve comprises a valve body and a valve plug, wherein the valve body comprises: The first sealing cover is provided with a water through hole to form a water inlet end; A second cover is connected to the first cover, and the two covers cooperate to form a cavity, and a water outlet is provided in the direction opposite to the water inlet end to form a water outlet end; The first cover and the second cover are clamped and arranged on both sides of the inner and outer sides of the rotating barrel, the first cover is installed on the side corresponding to the inner side of the rotating barrel, and the second cover is installed on the side corresponding to the outer side of the rotating barrel, and the cavity formed by the two covers passes through the drain port; A valve body waterway from the water inlet end to the water outlet end is formed in the cavity, the valve plug is movably arranged in the cavity, and a force providing unit for providing force to the valve plug to normally close the valve body waterway is also installed in the cavity; The force providing unit is an elastic support member in a compressed state, one end of which supports and connects to the valve plug to provide elastic force to support the normally closed water outlet end of the valve plug, and the other end of which supports and connects to the first sealing cover; The valve plug has a force-bearing part for receiving the force of the normally closed valve body water channel provided by the force providing unit and a sealing part for closing the valve body water channel, the force-bearing part is connected to the sealing part, the force-bearing part is arranged on the side close to the water inlet end, and the sealing part is arranged on the side close to the water outlet end, and the hardness of the force-bearing part is greater than the hardness of the sealing part; The drainage opening component provides the valve plug with a force to open the water path of the valve body along the direction from the water outlet end to the water inlet end.

2. The washing machine according to claim 1, characterized in that: The valve body cavity and the valve plug cooperate to form a water outlet waterway from the water inlet end to the water outlet end, which includes, in sequence, a first waterway from the water inlet end to the valve plug, a second waterway between the outer periphery of the valve plug and the inner wall of the cavity, and a third waterway that can be opened and closed between the end face of the valve plug close to the water outlet end and the water outlet end.

3. The washing machine according to claim 1, characterized in that: A guide structure is provided between the valve plug and the valve body to limit the movement of the valve plug along a predetermined direction between the water inlet end and the water outlet end.

4. The washing machine according to claim 1, characterized in that: The valve body is also provided with a blocking structure for limiting the movement of the valve plug to a certain position.

5. The washing machine according to claim 1, characterized in that: The second cover has a groove, the first cover is installed on the opening of the groove, the cavity is formed inside, a water outlet is provided at the bottom of the groove, forming the water outlet end, a gap is provided between the outer periphery of the valve plug and the side wall of the groove to form a second water path, and the valve plug is controlled to be away from the bottom of the groove so that a third water path connecting the second water path and the water outlet is formed between the valve plug and the bottom of the groove.

6. The washing machine according to claim 5, characterized in that: The side wall of the groove and the outer periphery of the valve plug are provided with a guide structure for limiting the movement of the valve plug along a predetermined track between the water inlet end and the water outlet end.

7. The washing machine according to claim 6, characterized in that: The guide structure comprises a guide groove and a guide protrusion located in the guide groove, which are respectively arranged on the side wall of the groove and the outer periphery of the valve plug.

8. The washing machine according to claim 5, characterized in that: A blocking structure for limiting the movement of the valve plug to a certain position is provided on the side wall of the groove close to the water inlet end.

9. The washing machine according to claim 8, characterized in that: The blocking structure is a blocking convexity arranged on the side wall of the groove, or the groove is a groove body structure with a stepped inner diameter, and the inner diameter of the groove near the water outlet is larger than the inner diameter of the groove near the water inlet.

10. The washing machine according to any one of claims 1 to 9, characterized in that: The elastic support member is a compression spring, and two ends thereof are respectively limitedly supported on the first sealing cover and the valve plug.

11. The washing machine according to claim 10, characterized in that: The compression spring is in a truncated cone structure, and the diameter of one end supported on the first cover is smaller than the diameter of one end supported on the valve plug.

12. The washing machine according to claim 11, characterized in that: The first sealing cover is provided with a positioning boss, the valve plug is provided with an annular limiting groove, one end of the compression spring is sleeved on the positioning boss, and the other end is arranged in the limiting groove.

13. The washing machine according to any one of claims 1 to 9, characterized in that: The force-bearing portion of the valve plug is in contact with the sealing portion, or the force-bearing portion is integrally connected with the sealing portion.

14. The washing machine according to any one of claims 1 to 9, characterized in that: The drainage opening assembly comprises: A lifting member, which lifts the valve plug to move toward the water inlet end to open the water path of the valve body; A driving member is a component that drives the lifting member to lift the valve plug.

15. The washing machine according to any one of claims 1 to 9, characterized in that: A water flow agitator is arranged in the rotating tub, and during the washing process, the water flow agitator is configured to rotate independently of the rotating tub.

16. The washing machine according to claim 15, characterized in that: During the washing process, the water flow agitator is configured to rotate in the opposite direction to the rotating tub.

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