CN110552160A - washing machine - Google Patents

Abstract

The invention discloses a washing machine, which comprises a rotary barrel and a water collecting tank arranged outside the rotary barrel, wherein the rotary barrel is a water containing barrel, a water outlet is arranged at the lower part of the rotary barrel, a normally closed sealing valve is arranged on the water outlet, the sealing valve is configured to rotate integrally with the rotary barrel in a washing process, and a water drainage opening assembly capable of controlling the sealing valve to be opened is arranged on the water collecting tank. The sealing valve is hermetically connected with the water outlet, a waterway communicated with the inside and the outside of the rotary barrel is arranged in the sealing valve, and a waterway normally-closed structure is arranged on the waterway; preferably, the sealing valve is mounted in the drain opening, and the waterway penetrates through the drain opening. The seal valve include valve body and valve plug, in the valve body in inject the cavity that forms the water route by the end of intaking to the end of play water, valve plug movably locate in the cavity, still install the effort that provides valve plug normal close valve body water route effort in the cavity and provide the unit. The washing machine has the characteristics of water saving and good washing effect.

Description

Washing machine

Technical Field

The invention belongs to the field of washing equipment, and particularly relates to a washing machine with a water-saving function.

Background

the existing impeller type washing machine has a plurality of dewatering holes on the peripheral wall of a washing barrel, the washing barrel is communicated with a water containing barrel, the washing barrel is a clothes storage area and is used for washing clothes, the water filled between the side walls of the washing barrel and the water containing barrel does not participate in the washing, and the water really participating in the washing is the part in the washing barrel, so that the waste of water resources is huge, in addition, the excessive water between the washing barrel and the water containing barrel can also reduce the concentration of a detergent, and the washing effect is influenced.

With the progress of the technology, the washing barrel is changed into a non-porous washing barrel, namely, the peripheral wall of the washing barrel is not provided with dewatering holes, washing water is completely stored in the washing barrel, and at the moment, no water exists between the washing barrel and the water containing barrel, which is commonly called as no water exists between the barrels. During dewatering, the water outlet in the bottom of the washing tub is opened, and silt and thread scraps are drained away from the bottom along with water flow. The water contained in the clothes is discharged from the upper part of the peripheral wall of the washing barrel. When washing, the drainage port at the bottom of the washing tub needs to be closed.

for this reason, a blocking mechanism for restricting the rotation of the washing tub and a drainage sealing structure for sealing the drainage outlet are proposed in the related art, and specifically, a locking hole is provided at the bottom of the washing tub, and a retractable locking rod is used to be matched with the locking hole, the locking rod is engaged with the locking hole in a concave-convex manner when being extended, the washing tub is locked, the locking rod is disengaged from the locking hole when being retracted, and the washing tub is locked in a contact manner.

Wherein, when washing, the washing barrel is locked, utilizes drainage seal structure to close the outlet of washing barrel, and when the dehydration, the washing barrel needs to rotate, and drainage seal structure opens the outlet of washing barrel. The drainage sealing structure is complex in structure, and the rotation of the washing barrel is limited in the washing process, so that a plurality of washing modes needing the rotation matching of the washing barrel cannot be realized, and the washing efficiency is relatively reduced.

the present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a washing machine, the washing machine is provided with a rotary barrel for hermetically containing water, a sealing valve which has a simple structure and is reliable in sealing is arranged at a water outlet of the rotary barrel, the rotary barrel can controllably rotate in the washing process of the washing machine, a strong washing water flow is provided, and the washing machine can save water and improve the cleaning ratio.

In order to solve the technical problems, the invention adopts the technical scheme that:

a washing machine comprises a rotary barrel and a water collecting tank arranged outside the rotary barrel, wherein the rotary barrel is a water containing barrel, a water outlet is formed in the lower portion of the rotary barrel, a normally closed sealing valve is installed on the water outlet, the sealing valve is configured to rotate integrally with the rotary barrel in a washing process, and a drainage opening assembly capable of controlling the sealing valve to be opened is installed on the water collecting tank.

Furthermore, the sealing valve is hermetically connected with the water outlet, a waterway communicated with the inside and the outside of the rotary barrel is arranged in the sealing valve, and a waterway normally-closed structure is arranged on the waterway;

Preferably, the sealing valve is mounted in the drain opening, and the waterway penetrates through the drain opening.

Furthermore, the seal valve include valve body and valve plug, in the valve body in inject the cavity that forms the water route by the end of intaking to the end of play water, valve plug movably locate in the cavity, still install the effort that provides valve plug normally closed valve body water route effort in the cavity and provide the unit.

Furthermore, in order to enable the valve plug to better close the valve body water path, the acting force provided for the valve plug to close the valve body water path is optimized, and the acting force providing unit is arranged in a cavity between the water inlet end and the valve plug;

Preferably, the acting force providing unit provides acting force of the valve plug towards the direction of the water outlet end so as to seal the water path between the valve plug and the water outlet end;

it is also preferred that the force providing unit provides a counter force to the valve plug normally closing valve body waterway force to act on the water inlet end.

furthermore, in order to enable the valve plug to move more smoothly in the cavity to open the water path in the valve body better, the valve plug is limited to be in a linear motion arrangement in the cavity between the water inlet end and the water outlet end.

furthermore, the valve body cavity and the valve plug are matched to form a water outlet water path from the water inlet end to the water outlet end, and the water outlet water path sequentially comprises a first water path from the water inlet end to the valve plug, a second water path between the periphery of the valve plug and the inner wall of the cavity, and a third water path which can be opened and closed is formed between the end surface of the valve plug, which is close to one side of the water outlet end, and the water outlet end.

furthermore, in order to prevent the valve plug from moving and being misplaced when the waterway is opened, a guide structure which limits the valve plug to move between the water inlet end and the water outlet end along a preset direction is arranged between the valve plug and the valve body.

Furthermore, in order to reduce damage to the acting force providing unit and the water inlet end caused by excessive movement of the valve plug when the waterway is opened, a blocking structure for limiting the valve plug to move to a certain position is further arranged in the valve body.

further, the valve body comprises a valve body,

The first sealing cover is provided with a limber hole to form a water inlet end;

And the second sealing cover is connected with the first sealing cover, the two sealing covers are matched to form a cavity, and a water outlet is arranged in the direction opposite to the water inlet end to form a water outlet end.

Furthermore, the first sealing cover and the second sealing cover are clamped and arranged on the inner side and the outer side of the rotary barrel, the first sealing cover is arranged on one side corresponding to the inside of the rotary barrel, the second sealing cover is arranged on one side corresponding to the outside of the rotary barrel, and a cavity formed by matching the two sealing covers penetrates through the water outlet.

Furthermore, in order to simplify the assembly process of the sealing valve, the second sealing cover is provided with a groove, the first sealing cover is arranged on the opening of the groove, the cavity is formed inside, a water outlet is formed at the bottom of the groove, the water outlet end is formed, a gap is formed between the 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 far away from the bottom of the groove so that a third water path communicated with the second water path and the water outlet is formed between the valve plug and the bottom of the groove.

Furthermore, the side wall of the groove and the periphery of the valve plug are provided with a guide structure for limiting the valve plug to move between the water inlet end and the water outlet end along a preset track;

Preferably, the guide structure comprises a guide groove and a guide protrusion positioned in the guide groove, and the guide groove and the guide protrusion are respectively and correspondingly arranged on the side wall of the groove and the periphery of the valve plug.

Furthermore, a blocking structure for limiting the valve plug to move to a certain position is arranged on the side wall of the groove close to the water inlet end;

Preferably, the blocking structure is a groove body structure with a stepped change of the inner diameter, wherein the blocking protrusion is arranged on the side wall of the groove, and the inner diameter of the groove close to the water outlet end is larger than that of the groove close to the water inlet end.

Furthermore, the acting force providing unit is an elastic supporting piece in a compression state, one end of the acting force providing unit is connected with the valve plug in a supporting mode and provides elastic force for supporting the normally closed water outlet end of the valve plug, and the other end of the acting force providing unit is connected with the first sealing cover in a supporting mode.

Furthermore, the elastic supporting piece is a compression spring, and two ends of the elastic supporting piece are respectively supported on the first sealing cover and the valve plug in a limiting manner;

Preferably, the compression spring is in a circular truncated cone structure, the diameter of one end supported on the first sealing cover is smaller than that of one end supported on the valve plug, and the structure can reduce dislocation caused by movement of the valve plug;

Still preferably, first closing cap is equipped with the location boss, and the valve plug is equipped with annular spacing groove, and compression spring pot head is located on the boss of location, and the spacing inslot is located to the other end.

Furthermore, the valve plug is provided with a stress part for receiving the acting force of the normally closed valve body waterway provided by the acting force providing unit and a sealing part for closing the valve body waterway, the stress part is connected with the sealing part, the stress part is arranged at one side close to the water inlet end, and the sealing part is arranged at one side close to the water outlet end;

preferably, the hardness of the force-bearing part is greater than that of the sealing part;

Preferably, the force receiving portion is connected to the sealing portion in an abutting manner, or the force receiving portion is integrally connected to the sealing portion.

furthermore, the drainage opening assembly is arranged outside the valve body;

Preferably, the drainage opening assembly provides the valve plug with acting force for opening the water way of the valve body along the direction from the water outlet end to the water inlet end.

Further, the drainage opening assembly comprises,

The jacking piece jacks up the valve plug to move towards the water inlet end so as to open the water way of the valve body;

And the driving piece drives the jacking piece to jack up the part of the valve plug.

Further, the jacking piece include ejector pin and the waterproof cover of cover in the ejector pin outside, the ejector pin is connected with the driving piece, waterproof cover extends to the hookup location who surrounds ejector pin and driving piece at least from the top of ejector pin.

furthermore, the sealing part and the end face of the water outlet end are sealed to realize the normal close of the third water channel, and the thickness of the position of the sealing part corresponding to the water outlet of the water outlet end is larger than the thickness of other parts so as to extend into the water outlet. This structure can increase the intensity that the valve plug received power, reduces the drainage and opens the damage that causes when the subassembly provides the effort to the valve plug sealing portion, can also play the effect that the sealed water outlet end that leads to the valve plug resets, strengthens sealed effect, prevents that the dislocation when the valve plug from being opened the back and reseing once more from causing the emergence of sealed not tight phenomenon.

Furthermore, the jacking piece provides supporting acting force for jacking the valve plug from the water outlet position of the water outlet end.

A water flow stirrer is arranged in the rotary barrel, and the water flow stirrer and the rotary barrel rotate independently in the washing process;

Preferably, the water flow agitator is configured to rotate in a direction opposite to the rotation of the rotary tub during the washing process.

after the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

The washing machine is provided with the normally closed self-locking sealing valve at the water outlet of the rotary barrel, the structure is simple and reliable, the self sealing can be realized without external acting force, the sealing effect is better when the water pressure in the barrel is higher, and meanwhile, the water outlet is of the normally closed structure, so that the possibility of initial water leakage is avoided, and the water resource is relatively saved.

the sealing valve on the rotary barrel is exquisite in design, can prevent foreign matters from influencing the water path sealing, reduces the possibility of water leakage caused by untight sealing, and has the advantages of simple structure, reliable drainage and sealing performance and the like.

The sealing valve seals the water outlet of the rotary barrel, the movement of the rotary barrel is not influenced in the state of sealing the water outlet, the rotation of the rotary barrel can be utilized to enhance the washing water flow in the washing process, and the cleaning ratio is relatively improved.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

the accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of a rotary tub-sealing valve of a washing machine according to the present invention in a normally closed state;

Fig. 2 is a schematic view showing an opened state of a rotary tub sealing valve of the washing machine according to the present invention;

Fig. 3 is a schematic view of the structure of the rotary tub and sealing valve assembly of the present invention;

FIG. 4 is an enlarged schematic view of section A of FIG. 3;

Fig. 5 is a schematic view of the sealing valve of fig. 4 in an open state.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, 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 with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, according to the embodiment of the rotary tub of the washing machine of the present invention, the washing machine includes a rotary tub 1 having a water containing function, a drain (not shown) is provided at the bottom of the rotary tub 1, a sealing valve 2 is installed corresponding to the drain, a water collecting tank for collecting washing water drained from the drain, such as an outer tub 3, is provided at the outside of the rotary tub 1, or the water collecting tank is a supporting plate supported under the rotary tub, and the supporting plate is hermetically connected to a casing of the washing machine to collect water; the outer tub 3 may be an outer tub of an existing washing machine or a tub-shaped water collecting structure lower than an upper end edge of the rotary tub. The sealing valve 2 includes a valve body 4, a valve plug 5 disposed in the valve body 4, and an acting force providing unit 6 for providing an acting force of the valve plug 5 to normally close the water passage of the valve body, the water collecting tank is provided with a drainage opening assembly 7 corresponding to the sealing valve 2, the drainage opening assembly 7 is disposed outside the valve body 4 to drive the valve plug 5 to act to open the water passage of the valve body 4, the valve body 4 is installed in the drainage port of the rotary tub 1, and the drainage opening assembly 7 is disposed on the water collecting tank below the drainage port, for example, the bottom of the outer tub 3 (.

Wherein, the force provided by the drain opening assembly 7 to the valve plug 5 is greater than the sum of the force provided by the force providing unit 6 to the valve plug 5 and the pressure of the maximum water level of the washing machine to the valve plug.

a sealing valve 2 of an embodiment of the present invention is first described with reference to the drawings.

As shown in fig. 1 to 5, a sealing valve 2 according to an embodiment of the present invention includes a valve body 4 and a valve plug 5, a cavity 43 forming a waterway from a water inlet end 41 to a water outlet end 42 is defined in the valve body 4, the valve plug 5 is movably disposed in the cavity 43, and a force providing unit 6 for providing a force for normally closing the waterway of the valve body to the valve plug 5 is further installed in the cavity 43. The drain opening member 7 is provided outside the drain port. The force applied by the force applying unit 6 to the valve plug 5 to normally close the valve body water passage is hereinafter referred to as a first force, and the force applied by the drain opening assembly 7 to the valve plug 5 to open the valve body water passage is hereinafter referred to as a second force.

the first acting force and the second acting force have opposite directions and respectively correspond to the direction from the water inlet end 41 to the water outlet end 42 and the opposite direction. The valve plug 5 moves linearly in the cavity 43 between the inlet end 41 and the outlet end 42. This structure makes the valve plug can remove more smoothly in the cavity, and the effort utilization ratio is higher, better opening and close the water route in the valve body.

The acting force providing unit 6 is arranged in a cavity 43 between the water inlet end 41 and the valve plug 5; the force providing unit 6 provides a counter force of the first force of the valve plug 5 to act on the water inlet end 41.

The valve body cavity 43 and the valve plug 5 cooperate to form a water outlet waterway from the water inlet end 41 to the water outlet end 42, which sequentially comprises a first waterway from the water inlet end 41 to the valve plug 5, a second waterway between the periphery of the valve plug 5 and the inner wall of the cavity 43, and a third waterway which can be opened and closed (refer to fig. 5) formed between the end surface of the valve plug 5 near one side of the water outlet end 42 and the water outlet end 42. The first waterway and the second waterway are passages, the valve plug 5 is normally closed to the third waterway, and the first acting force is always acted on the valve plug 5, so that the valve plug 5 is tightly attached to the water outlet end 42 to close the third waterway; when second effort was applyed to valve plug 5, the pressure of first effort and water was overcome to valve plug 5, and valve plug 5 moves to the end 41 directions of intaking, opens the third water route, and the water outlet water route communicates with each other completely.

in order to prevent the valve plug 5 from being displaced and dislocated when the waterway is opened, a guide structure is provided between the valve plug 5 and the valve body 4 for limiting the valve plug 5 to move in a predetermined direction between the water inlet end 41 and the water outlet end 42.

further, in order to reduce the damage to the acting force providing unit 6 and the water inlet end 41 caused by the excessive movement of the valve plug 5 when the waterway is opened, and simultaneously avoid the reduction of the water flow rate of the sealing valve caused by the reduction of the water flow amount of the first waterway, a blocking structure for limiting the movement of the valve plug 5 to a certain position is further arranged in the valve body 4.

According to the sealing valve 2 provided by the embodiment of the invention, the drainage of the drainage outlet of the rotary barrel can be opened and closed, and particularly, the closing and opening of the water outlet channel of the sealing valve can be realized by the acting force provided by the acting force providing unit 6 and the drainage opening assembly 7 to the valve plug 5. In addition, utilize effort to provide unit 6 and provide the first effort of closing out the water route to valve plug 5, this first effort provide more continuously reliable, and receive into water hydraulic influence, it is sealed better more to intake to seal the effect more reliable. Therefore, the sealing valve for the rotary tub of the washing machine according to the embodiment of the present invention has the advantages of simple structure, stable transmission, reliable sealing, etc.

In the embodiment of the washing machine of the present invention, in order to enhance the accurate positioning between the drain opening assembly 7 and the valve plug 5 at the time of draining, the washing machine further includes a positioning device for rotating the rotary tub 1 to a certain position, for example, a locking mechanism (not shown) for restricting the rotation of the rotary tub, the locking mechanism being switchable between a state of restricting the rotation of the rotary tub and a state of allowing the rotation of the rotary tub, the locking mechanism being installed at the outer tub, or a part of the locking mechanism being installed at the rotary tub and another part being installed at the outer tub.

Specifically, during the water inlet and washing processes of the washing machine, the sealing valve arranged at the bottom of the rotary barrel 1 seals the water outlet channel, the washing water is completely sealed in the rotary barrel 1, only water exists in the rotary barrel 1, and during the clothes washing process, the washing machine can control the rotary barrel 1 to rotate towards at least one direction, for example, the rotary barrel 1 and the impeller 8 can be controlled to rotate in opposite directions to realize a double-power washing effect, or the rotary barrel 1 can not be controlled to rotate, so that the rotary barrel 1 is in a free state and can rotate freely under the influence of the tumbling of clothes in the barrel and the flowing of water; when the washing is finished and the rotary barrel 1 drains water, the locking mechanism is switched to the state of limiting the rotation of the rotary barrel 1, the rotary barrel 1 is stopped, the rotary barrel 1 is in a static state at the moment, the second acting force provided by the drainage opening assembly 7 enables the valve plug 5 to move to open the water outlet waterway, the drainage is started, and most of sediment such as silt, thread scraps, particles and dirt are discharged through the water outlet waterway in the valve body 4. After the water drainage is finished, the locking mechanism removes the positioning limitation on the rotary barrel 1, the water drainage opening assembly 7 also retracts to provide a second acting force for the valve plug 5 to open the water outlet water channel, the valve plug 5 is only influenced by the acting force providing unit to reset and close the water outlet water channel again, the water outlet of the rotary barrel 1 is closed to start the dehydration, the washing machine controls the rotary barrel 1 to rotate at a high speed in a single direction at a rotating speed higher than that during the washing, and the water in the clothes is thrown out to rise to the upper dehydration hole along the inner peripheral wall of the rotary barrel to be discharged under the influence of centrifugal force.

The locking mechanism and the dewatering principle are known to those skilled in the art, for example, the description of the background art of the present invention will not be repeated here.

Example one

as shown in fig. 4 and 5, the valve body 4 of the present embodiment includes a first cover 44 and a second cover 45, the first cover 44 is provided with at least one water through 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, and a water outlet 451 is provided opposite to the water inlet 41 to form the water outlet 42. The first sealing cover 44 and the second sealing cover 45 are clamped at the inner side and the outer side of the barrel bottom, the first sealing cover 44 is installed at one side of the barrel bottom corresponding to the inner part of the rotary barrel, the second sealing cover 45 is installed at one side of the barrel bottom corresponding to the outer part of the rotary barrel, and a cavity 43 formed by matching the two sealing covers penetrates through the water outlet.

preferably, the second cover 45 has a groove 452, the first cover 44 is mounted on the opening of the groove 452, the cavity 43 is formed inside the first cover, the water outlet 451 is formed at the bottom of the groove, the water outlet 42 is formed, a gap is formed between the outer periphery of the valve plug 5 and the sidewall of the groove 452 to form a second water path, and the valve plug 5 is controlled to be away from the bottom of the groove so that a third water path communicating the second water path and the water outlet is formed between the valve plug 5 and the bottom of the groove. The outlet 451 is of a size sufficient to allow the second force provided by the drain opening assembly 7 to act on the valve plug 5.

Example two

As shown in fig. 5, in the first embodiment, the sidewall of the groove 452 of the second cover 45 and the periphery of the valve plug 5 are provided with a guiding structure for limiting the valve plug 5 to move along a predetermined track between the water inlet end 41 and the water outlet end 42. The guiding structure includes a guiding groove 46 and a guiding protrusion (not shown) located in the guiding groove, which are respectively disposed on the sidewall of the groove 452 and the periphery of the valve plug 5, and the guiding groove 46 is disposed along the moving direction of the valve plug 5.

Furthermore, the side wall of the groove 452 close to the water inlet end 41 is provided with a blocking structure for limiting the valve plug 5 to move to a certain position; the blocking structure defines a distance between the valve plug 5 and the water inlet end 41 to satisfy the set first waterway water passing amount. Specifically, recess 452 is the groove body structure of internal diameter step change, and the recess internal diameter R who is close to the play water end is greater than the recess internal diameter R who is close to the end of intaking, and the position that the recess internal diameter step change forms this structure 9 that blocks, and the diameter D of valve plug 5 satisfies: and R is less than D and less than R, and the difference between R and D meets the set second waterway water passing amount.

EXAMPLE III

As shown in fig. 4, the acting force providing unit 6 of the present embodiment is a compression spring, one end of which is supported and connected to the valve plug 5, providing the elastic force for supporting the valve plug 5 to normally close the water outlet end 42, and the other end of which is supported and connected to the first sealing cover 44.

In order to uniformly bear the force on the valve plug 5, the compression spring 6 is in a circular truncated cone structure, the diameter of one end supported on the first sealing cover 44 is smaller than that of one end supported on the valve plug 5, and the structure can reduce dislocation caused by movement of the valve plug; the first cover 44 has a positioning boss 442, the valve plug 5 has an annular limiting groove 51, one end of the compression spring 6 is sleeved on the positioning boss 442, and the other end of the compression spring is disposed in the limiting groove 51.

Example four

As shown in fig. 3 and 4, the valve plug 5 of the present embodiment has a force-receiving portion 52 for receiving the first acting force and a sealing portion 53 for closing the third water path, the force-receiving portion 52 is connected to the sealing portion 53, the force-receiving portion 52 is disposed at a side close to the water inlet end 41, and the sealing portion 53 is disposed at a side close to the water outlet end 42.

Preferably, the sealing portion 53 has a certain elastic deformation to maintain the sealing with the outlet end 42, and conversely, in order to maintain the force direction of the force-receiving portion 52 and avoid the valve plug from moving out of the path due to force misalignment, the hardness of the force-receiving portion is greater than that of the sealing portion.

Since the second force is opposite to the first force, the drain opening assembly 7 is disposed outside the valve body 4 (see fig. 1 and 2), and therefore, the sealing portion 53 is also used for receiving the second force, in order to reduce the damage of the second force to the valve plug sealing portion 53, the thickness of the stressed position of the sealing portion 53 is designed to be larger than the thickness of the other positions, and in order to further maintain the end face sealing effect of the sealing portion and the water outlet end, the increased thickness corresponds to the water outlet 451 of the water outlet end 42.

Preferably, the force-receiving portion 52 is connected to the sealing portion 53 in an abutting manner, or the force-receiving portion 52 is integrally connected to the sealing portion 53, or the force-receiving portion 52 and the sealing portion 53 are integrally formed.

EXAMPLE five

As shown in fig. 1 and 2, the drain opening assembly 7 of the present invention includes a jacking member 71 and an actuating member 72, wherein the jacking member 71 jacks up the valve plug 5 to move toward the water inlet end 41 to open the water path of the valve body, and the actuating member 72 is a power member for actuating the jacking member 71 to jack up the valve plug 5.

Further, the jacking member 71 comprises a jack rod and a waterproof jacket 711 sleeved outside the jack rod, the jack rod is connected with the driving member, the waterproof jacket extends from the top of the jack rod to at least a position surrounding the connection position of the jack rod and the driving member, and preferably, the waterproof jacket 711 is configured in a corrugated jacket structure (see fig. 3).

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 of the invention and the driving structure for driving the rod-shaped member to extend and retract in the prior art, and will not be described in detail herein.

EXAMPLE six

In the washing machine, the rotary barrel can be driven to rotate to provide power for water supply flow and clothes turnover in the washing process, so that the cleaning ratio is improved; preferably, the rotary barrel and the impeller are driven to rotate in opposite directions, the washing machine not only can drive the rotary barrel and the impeller to rotate in opposite directions, but also can drive the rotary barrel to rotate freely by using the acting force of the impeller stirring water flow, or drive the rotary barrel and the impeller to rotate in different directions and different speeds.

The invention uses the rotary barrel as water-holding barrel, the washing water only flows in the rotary barrel, the peripheral wall of the rotary barrel has no dewatering holes for circulating the washing water in and out of the existing common washing machine, the rotation of the rotary barrel can improve the kneading capability of the washing water during washing, the water flow in the rotary barrel converts the impact acting force of the washing water in and out of the dewatering holes of the existing common washing machine into the kneading acting force of the water flow on clothes along with the rotation of the barrel, especially the impeller and the inner barrel rotate in opposite directions, so that the washing water and the clothes are better kneaded and overturned, and the cleaning ratio is greatly improved.

In some specific examples to which the rotary tub for a washing machine of the present invention can be applied, a drain port is provided at a sidewall of the tub body of the rotary tub and at a lower portion of the sidewall, and a sealing valve is installed in the drain port at the sidewall of the tub body. For the washing machine, because the bottom space of the washing machine is in shortage due to the arrangement of devices such as a motor, a clutch and the like, the sealing valve is arranged at the side part of the barrel body, so that the space at the side part of the barrel body can be utilized, the occupation of the bottom space is reduced, the available quantity of the bottom space of the washing machine is increased, and the arrangement of the bottom devices of the washing machine is facilitated. In addition, the sealing valve is arranged at the side part of the barrel body, so that the influence of the vibration of the washing machine on the sealing valve can be reduced, and the reliability of drainage and sealing is further improved.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (17)

1. A washing machine includes a rotary tub and a water collection sump installed outside the rotary tub, the rotary tub being a water tub, characterized in that: the lower part of the rotary barrel is provided with a water outlet, the water outlet is provided with a normally closed sealing valve, the sealing valve is configured to rotate integrally with the rotary barrel in the washing process, and the water collecting tank is provided with a water drainage opening assembly capable of controlling the sealing valve to be opened.

2. The washing machine as claimed in claim 1, wherein: the sealing valve is hermetically connected with the water outlet, a waterway communicated with the inside and the outside of the rotary barrel is arranged in the sealing valve, and a waterway normally-closed structure is arranged on the waterway;

preferably, the sealing valve is mounted in the drain opening, and the waterway penetrates through the drain opening.

3. The washing machine as claimed in claim 1, wherein: the seal valve include valve body and valve plug, in the valve body in inject the cavity that forms the water route by the end of intaking to the end of play water, valve plug movably locate in the cavity, still install the effort that provides valve plug normal close valve body water route effort in the cavity and provide the unit.

4. a washing machine as claimed in claim 3, wherein: the acting force providing unit is arranged in the cavity between the water inlet end and the valve plug;

Preferably, the acting force providing unit provides acting force of the valve plug towards the direction of the water outlet end so as to seal the water path between the valve plug and the water outlet end;

Preferably, the acting force providing unit provides acting force in the opposite direction of the acting force of the valve plug normally closed valve body waterway to act on the water inlet end;

Preferably, the valve plug is restricted to a linear movement arrangement in the cavity between the water inlet end and the water outlet end.

5. A washing machine as claimed in claim 3, wherein: the valve body cavity and the valve plug are matched to form a water outlet water path from the water inlet end to the water outlet end, the valve body cavity sequentially comprises a first water path from the water inlet end to the valve plug, a second water path between the periphery of the valve plug and the inner wall of the cavity, and a third water path which can be opened and closed is formed between the end surface of the valve plug, which is close to one side of the water outlet end, and the water outlet end.

6. a washing machine as claimed in claim 3, wherein: the valve plug and the valve body are provided with a guide structure which limits the valve plug to move between the water inlet end and the water outlet end along a preset direction.

7. A washing machine as claimed in claim 3, wherein: a blocking structure limiting the valve plug to move to a certain position is further arranged in the valve body.

8. a washing machine as claimed in any one of claims 3 to 7, wherein: the valve body comprises a valve body and a valve body,

the first sealing cover is provided with a limber hole to form a water inlet end;

And the second sealing cover is connected with the first sealing cover, the two sealing covers are matched to form a cavity, and a water outlet is arranged in the direction opposite to the water inlet end to form a water outlet end.

9. The washing machine as claimed in claim 8, wherein: the first sealing cover and the second sealing cover are clamped and arranged on the inner side and the outer side of the rotary barrel, the first sealing cover is arranged on one side corresponding to the inside of the rotary barrel, the second sealing cover is arranged on one side corresponding to the outside of the rotary barrel, and a cavity formed by matching the two sealing covers penetrates through the water outlet.

10. the washing machine as claimed in claim 8, wherein: the second closing cap have a recess, first closing cap is installed on the groove opening, and inside forms the cavity is equipped with the delivery port at the bottom of the recess, forms the play water end has the clearance between valve plug periphery and the recess lateral wall and forms the second water route, and control valve plug keeps away from at the bottom of the recess and makes to form the third water route of intercommunication second water route and delivery port between valve plug and the recess.

11. The washing machine as claimed in claim 10, wherein: the side wall of the groove and the periphery of the valve plug are provided with guide structures for limiting the valve plug to move between the water inlet end and the water outlet end along a preset track;

Preferably, the guide structure comprises a guide groove and a guide protrusion positioned in the guide groove, and the guide groove and the guide protrusion are respectively and correspondingly arranged on the side wall of the groove and the periphery of the valve plug.

12. The washing machine as claimed in claim 10, wherein: the side wall of the groove close to the water inlet end is provided with a blocking structure for limiting the valve plug to move to a certain position;

preferably, the blocking structure is a groove body structure with a stepped change of the inner diameter, wherein the blocking protrusion is arranged on the side wall of the groove, and the inner diameter of the groove close to the water outlet end is larger than that of the groove close to the water inlet end.

13. A washing machine according to any one of claims 8-12, characterized in that: the acting force providing unit is an elastic supporting piece in a compression state, one end of the acting force providing unit is connected with the valve plug in a supporting mode and provides elastic force for supporting the normally closed water outlet end of the valve plug, and the other end of the acting force providing unit is connected with the first sealing cover in a supporting mode.

14. The washing machine as claimed in claim 13, wherein: the elastic supporting piece is a compression spring, and two ends of the elastic supporting piece are respectively supported on the first sealing cover and the valve plug in a limiting manner;

Preferably, the compression spring is in a circular truncated cone structure, and the diameter of one end supported on the first sealing cover is smaller than that of one end supported on the valve plug;

still preferably, first closing cap is equipped with the location boss, and the valve plug is equipped with annular spacing groove, and compression spring pot head is located on the boss of location, and the spacing inslot is located to the other end.

15. a washing machine as claimed in any one of claims 3 to 14, wherein: the valve plug is provided with a stress part for receiving the acting force of the normally closed valve body waterway provided by the acting force providing unit and a sealing part for closing the valve body waterway, the stress part is connected with the sealing part, the stress part is arranged at one side close to the water inlet end, and the sealing part is arranged at one side close to the water outlet end;

Preferably, the hardness of the force-bearing part is greater than that of the sealing part;

Preferably, the force receiving portion is connected to the sealing portion in an abutting manner, or the force receiving portion is integrally connected to the sealing portion.

16. A washing machine as claimed in any one of claims 3 to 15, wherein: the drainage opening assembly provides acting force for the valve plug to open the water way of the valve body along the direction from the water outlet end to the water inlet end;

Preferably, the drain opening assembly includes,

The jacking piece jacks up the valve plug to move towards the water inlet end so as to open the water way of the valve body;

And the driving piece drives the jacking piece to jack up the part of the valve plug.

17. A washing machine as claimed in any one of claims 1 to 16, wherein: a water flow stirrer is arranged in the rotary barrel, and the water flow stirrer and the rotary barrel rotate independently in the washing process;

preferably, the water flow agitator is configured to rotate in a direction opposite to the rotation of the rotary tub during the washing process.