WO2022028442A1

WO2022028442A1 - Valve element structure, centrifugal valve and washing machine

Info

Publication number: WO2022028442A1
Application number: PCT/CN2021/110423
Authority: WO
Inventors: 赵志强; 许升; 吕佩师
Original assignee: 青岛海尔滚筒洗衣机有限公司; 海尔智家股份有限公司
Priority date: 2020-08-04
Filing date: 2021-08-04
Publication date: 2022-02-10
Also published as: CN114059318A

Abstract

Disclosed are a valve element structure, a centrifugal valve (500) and a washing machine. The valve element structure comprises a valve element (24) and a valve plunger (5), and the valve element (24) is flexibly connected to the valve plunger (5). The centrifugal valve (500) comprises a support, the valve element structure is mounted on the support, the valve plunger (5) of the valve element structure is correspondingly inserted into a mounting sleeve (6) of the support, and the valve element (24) is located below the mounting sleeve (6). The washing machine comprises a drum (1), a drainage port (4) is provided in the drum (1), the centrifugal valve (500) is arranged on the drum (1), and the valve element (24) of the centrifugal valve (500) is correspondingly arranged at the drainage port (4) in the drum (1). The valve element (24) is flexibly connected to the valve plunger (5), such that a certain deformation and/or movement displacement can be generated between the valve element (24) and the valve plunger (5), the valve element (24) can move to a corresponding position under a guiding action of the drainage port (4), the drainage port (4) is completely blocked, and in turn the sealing performance of the centrifugal valve (500) is improved.

Description

A valve core structure, centrifugal valve and washing machine

technical field

The invention belongs to the field of washing machines, which adopts a non-porous drum and is free of cleaning, and specifically designs a centrifugal valve structure of the washing machine, in particular to a valve core structure of a centrifugal valve that can improve sealing performance.

Background technique

In the prior art, a drum washing machine generally includes a drum and an outer drum that are fitted with each other, the outer drum is sealed for holding water, the drum is used for containing clothes, and the drum is rotated to beat and wash the clothes; So that the water in the outer drum flows into the drum through the dehydration hole to soak the clothes in the drum, the water in the drum flows out to the outer drum through the dehydration hole, and the moisture on the clothes in the drum is discharged to the outer drum through the dehydration hole when the drum rotates at a high speed. , in order to achieve the purpose of washing clothes.

However, since the drum and the outer drum are fitted with each other, dirt is easily accumulated between the inner and outer drums during the use of the washing machine; at the same time, since the inner and outer drums are fitted with each other, the user cannot clean the outer wall of the drum and the inner wall of the outer drum, which increases the number of bacteria inside the washing machine and reduces the It improves the washing efficiency of the washing machine and the cleanliness of the clothes after washing.

At the same time, in the above-mentioned existing washing machine, since the drum is covered with an outer cylinder, the washing process of the washing machine is to beat and wash the clothes through the rotation of the drum, so that the washing capacity of the washing machine is based on the drum, and the utilization rate of the internal space of the washing machine is low. , it is impossible to expand the washing capacity of the washing machine on the existing basis.

In view of this, how to set up a washing machine to integrate the inner and outer cylinders, so that the drum is set as a sealed container, which can not only hold water and clothes, but also rotate and beat the clothes for washing; Or the outer tub and the washing machine shell are integrally arranged, and the drum of the washing machine can be expanded to expand the washing capacity of the washing machine, which has become a research and development hotspot.

However, since the drum is not only used to hold washing water, but also rotates to beat and wash the clothes in the drum, how to set up a dehydration structure and a drainage structure suitable for the above washing machine has become an urgent problem to be solved.

Some existing technical solutions disclose some valve body structures applied to no-clean washing machines. However, after the existing valve body structure is assembled on the drum of the washing machine, there will be a certain assembly error, so that there will be a certain amount of deviation between the valve core and the drain port on the drum, which is likely to cause the valve core to be unable to completely close the drain port. occur. In particular, after the washing machine has been used for a certain period of time, the valve core will be subjected to stress during the impact of water flow and opening and closing operations during use, resulting in displacement of the valve core, resulting in the reduction of the sealing performance of the valve core.

The present invention has been made in view of this.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a valve core structure to achieve the purpose of improving the sealing performance of the valve core. The present invention also provides a centrifugal valve and a washing machine, so as to achieve the purpose of automatically aligning the valve core with the drain port and improving the sealing performance of the drain port of the non-porous drum.

In order to solve the above-mentioned technical problems, the basic conception of the technical scheme adopted in the present invention is:

The invention provides a valve core structure, which comprises a valve core and a valve plug column; the valve core and the valve plug column are flexibly connected, and the valve core can generate an adjustment displacement of a certain inclination angle relative to the valve plug column.

Further, the end of the valve plug column is provided with a groove, the valve core is provided with an insertion part corresponding to the insertion groove, a spring is arranged in the groove, and both ends of the spring are respectively connected with the insertion part and the groove.

Further, the plug-in portion includes a connecting rod extending axially along the groove, one end of the connecting rod is connected with the sealing member of the valve core, and the other end is connected with a limit disk, the limit disk and the connecting rod are coaxially arranged along the radial direction of the groove. Extend, the limit disk is inserted into the groove correspondingly, and the end of the spring is connected with the limit disk;

Preferably, the radial dimension of the limiting disk is equal to the radial dimension of the groove;

Preferably, the axial height of the limiting disk is less than the depth of the groove.

Further, the opening of the groove is provided with a radially protruding ring of retaining ribs, and the size of the inner circumference of the retaining ribs is smaller than the radial size of the limit plate and larger than the radial size of the connecting rod;

Preferably, the valve core includes a sealing member, the sealing member is conical or truncated cone shape, the big end of the sealing member is coaxially connected to one end of the connecting member, and the radial dimension of the big end of the sealing member is larger than the radial dimension of the inner circumference of the retaining rib .

Further, the spring in the groove is in a compressed state, the spring extends axially along the groove, and two ends of the spring are respectively connected to the groove bottom of the groove and the limit plate.

The present invention also provides a centrifugal valve, comprising: a bracket; any one of the valve core structures described above is mounted on the bracket, the bracket includes an installation sleeve, and the valve plug column of the valve core structure is correspondingly inserted into the installation sleeve of the bracket ; The spool is under the mounting sleeve.

Further, the installation sleeve is provided with a return spring sleeved on the outer periphery of the valve plug column, and both ends of the return spring are respectively connected with the installation sleeve and the valve core.

Further, the upper end of the valve plug rod protrudes through the installation sleeve; the installation sleeve is provided with a rotatably connected counterweight block, one end of the counterweight block is provided with a connecting rib that protrudes and extends, and the middle part of the connection rib is connected to the installation sleeve through the rotating shaft, The end of the connecting rib is connected with the upper end of the valve plug column;

Preferably, the upper end of the valve plug column is provided with a connecting shaft, the second end of the centrifugal member is provided with an elongated through hole with a strip-shaped cross-section, the connecting shaft passes through the elongated through hole correspondingly, and the connection between the centrifugal member and the valve plug column is provided. can rotate and/or move relative to each other.

The present invention also provides a washing machine, comprising: a drum; a drain port is provided on the drum, the drum is provided with any one of the centrifugal valves described above, and the valve core of the centrifugal valve is correspondingly provided at the drain port on the drum.

Further, at least one lifting rib protruding radially toward the axis of the drum is provided on the side wall of the drum, the interior of the lifting rib is hollow to form an installation cavity, the lifting rib is provided with a water permeable hole connecting the installation cavity and the drum, and the centrifugal valve is correspondingly installed in the lifting rib. In the hollow installation cavity inside the rib, the drainage port is arranged on the side wall of the drum, the lifting rib corresponds to the buckle, and the valve core of the centrifugal valve blocks the drainage port correspondingly.

After adopting the above-mentioned technical scheme, the present invention has the following beneficial effects compared with the prior art:

By flexibly connecting the valve core and the valve plug column, a certain deformation and/or movement displacement can be generated between the valve core and the valve plug column, so that the valve core can be moved to the corresponding position under the guidance of the drain port, completely Block the drain to improve the sealing performance of the centrifugal valve.

Through the above arrangement, the valve core can be offset and inclined relative to the valve plug column, so that the valve core can be closed correspondingly with the drain port after the adjustment displacement, so as to realize the automatic displacement adjustment of the valve core and the effect of improving the sealing performance of the valve core.

At the same time, the invention has simple structure and remarkable effect, and is suitable for popularization and use.

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide a further understanding of the present invention, and the schematic 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 in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:

1 is a schematic structural diagram of a washing machine in an embodiment of the present invention;

2 is a schematic structural diagram of a lifting rib in an embodiment of the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of FIG. 2 A-A in an embodiment of the present invention.

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

detailed description

In order to make the purposes, 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 to illustrate the present invention , but 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. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 to FIG. 3 , an embodiment of the present invention introduces a washing machine, which includes: a casing 100 , a drum 1 is arranged in the casing 100 , and the axis of the drum 1 extends horizontally or is gradually inclined downward from front to back. , the front end of the drum 1 is a drum opening 101 with an opening, and the rear end is a drum bottom 102 which is sealed, and the drum side wall 103 connects the drum opening 101 with the drum bottom 102 to form the drum 1; So that the inside of the drum 1 constitutes a sealed container provided with only the front opening. At the same time, a door cover 300 that can be opened outward is installed at the front end of the washing machine casing 100 to close the drum opening 101 after the door cover 300 is closed, and the purpose of putting clothes into the drum 1 from the drum opening 101 after opening the door cover 300.

In the embodiment of the present invention, the rear end of the drum 1 is installed in the washing machine casing 100 through a drum support member 200. The upper and lower ends of the drum support member 200 are respectively bent toward the front end of the drum 1, and the bent portion extends at least to In the middle of the drum 1, the upper and lower bending parts are respectively connected with the washing machine shell 100 through the shock-absorbing suspension spring and the shock-absorbing support rod, so as to realize the purpose that the drum support 200 can be vibrated and installed in the washing machine shell 100; The center of 102 is arranged coaxially with the motor shaft of the washing machine driving motor 400 to drive the drum 1 to rotate. Preferably, the drum bottom 102 and the driving motor 400 are respectively disposed on both sides of the drum supporting member 200, the driving motor 400 is fixedly connected to the drum supporting member 200, and the motor shaft of the driving motor 400 passes through the drum supporting member 200 through the bearing and is connected to the drum The bottom 102 is coaxially and fixedly connected, and the motor shaft of the driving motor 400 can rotate relative to the drum support 200, so that the drum 1 and the driving motor 400 are installed on the drum support 200, and the drum 1 can be driven by the driving motor 400 alone. The purpose of rotating to wash the inner clothes. Preferably, the motor shaft of the driving motor 400 directly constitutes a drum shaft, and the drum shaft is coaxially and fixedly connected to the drum bottom 102 of the drum 1 .

Of course, the drum support 200 in the embodiment of the present invention can be directly set as a common outer tub of a washing machine, and the drum 1 is sheathed inside the outer tub, which can also achieve the effects of supporting the drum and collecting and discharging water.

In addition, the washing machine in the embodiment of the present invention can be any washing machine in the prior art with a door cover closing the drum opening and the drum forming a sealed container, so as to control the drum to rotate at a high speed when the washing machine executes the dehydration program, so as to remove the self-contained drum in the drum. The water flow from the clothes is smoothly discharged out of the drum, so as to achieve the purpose of normally performing the dehydration procedure on the non-porous drum washing machine. Therefore, the washing machine in the embodiment of the present invention is not limited to the structure shown in the drawings. For example, using the existing ordinary washing machine, it is only necessary to set the washing machine drum 1 to have no dehydration holes, and to form a sealed container after the door cover closes the drum opening 101. washing machine.

At the same time, by setting the drum to form a sealed container after the door cover is closed and the washing machine is washing, the clothes only come into contact with the washing water in the sealed drum during the washing process, and the washing water between the inner and outer drums is prevented from flowing into the drum to contaminate the clothes. The occurrence of the washing machine greatly improves the washing cleanliness of the washing machine, and avoids the occurrence of incomplete washing of the clothes caused by the washing water between the inner and outer drums.

In the embodiment of the present invention, in order to discharge the water flow after the clothes in the washing machine drum 1 are detached, and to realize that the drum 1 is sealed and contains water for normal washing during the working process of the washing machine, the following settings are performed:

In the embodiment of the present invention, in order to realize the dehydration and drainage functions of the drum constituting the sealed container, any existing dehydration and drainage structures can be provided on the drum 1. For example, a drainage port 4 is provided on the drum side wall 103, and the drainage port corresponds to A centrifugal valve 500 is installed to open the valve core of the centrifugal valve by centrifugal force when the drum 1 rotates at a high speed, and close the drain port by the braking force of itself and/or the reset device when the drum rotates at a low speed.

However, due to assembly errors and/or stress during the use of the washing machine, there will be a certain amount of deviation between the valve core 24 of the centrifugal valve 500 and the drain port 4 on the drum 1, which is likely to cause the valve core 24 to fail to completely close the drain port 4. situation occurs. In view of this, a valve core structure is specially proposed in this application. The valve core structure includes a valve core 24 and a valve plug column 5. The valve core 24 and the valve plug column 5 are flexibly connected, so that the valve core 24 and the valve plug column 5 are flexibly connected. A certain deformation and/or displacement may occur between the plungers 5 , so that the valve core 24 can move to a corresponding position under the guidance of the drain port 4 , completely blocking the drain port 4 , thereby improving the sealing performance of the centrifugal valve 500 .

Example 1

As shown in FIGS. 1 to 3 , a valve core structure is introduced in this embodiment, which includes a valve core 24 and a valve plug column 5 ; the valve core 24 and the valve plug column 5 are flexibly connected, and the valve core 24 can be opposed to each other. The valve plug rod 5 produces an adjustment displacement of a certain inclination angle. Through the above arrangement, the valve core can be offset and inclined relative to the valve plug column, so that the valve core can be closed correspondingly with the drain port after the adjustment displacement, so as to realize the automatic displacement adjustment of the valve core and the effect of improving the sealing performance of the valve core.

In this embodiment, a groove 51 is provided at the end of the valve plug column 5, the valve core 24 is provided with a plug-in portion 241 corresponding to the insertion groove 51, and a spring 52 is provided in the groove 51. The two ends of the spring 52 are respectively connected to The plug portion 241 is connected to the groove 51 .

Through the above arrangement, the plug column and the valve core are plugged and connected, so that a relative offset can be generated between the valve plug column and the valve core through the insertion gap, thereby achieving the effect of providing a clearance space for the displacement adjustment of the valve core; At the same time, a spring is clamped between the valve core and the valve plug column, so that the valve core can be kept in a state of protruding outward under the action of the spring, so that the valve core can be correspondingly fitted with the drain port under the action of the spring, so as to realize The valve core has the corresponding closing effect on the drain port.

In this embodiment, the plug-in portion 241 includes a connecting rod 242 extending axially along the groove 51 . One end of the connecting rod 242 is connected to the sealing member 244 of the valve core 24 , and the other end is connected to a limiting disk 243 . The connecting rod 242 is coaxially arranged and extends radially along the groove 51 , the limiting disk 243 is correspondingly inserted into the groove 51 , and the end of the spring 52 is connected with the limiting disk 243 . By arranging the plug portion 241 formed by the connecting rod 242 and the limit plate 243 on the valve core 24, the plug portion 241 of the valve core 24 can be correspondingly inserted into the groove 51 to achieve plug connection; also through the axially extending connection rod 242, so that the valve core 24 can protrude from the connecting rod 242 to provide an active space for the axial movement of the valve core 24; at the same time, a limit disc 243 is set in the groove 51, so that the valve core 24 and the spring 52 The increased contact area improves the stability of the elastic force of the spring 52 , thereby preventing the valve core 24 from shifting, and even affecting the sealing performance of the centrifugal valve 500 .

Preferably, in this embodiment, the radial dimension of the limit disk 243 is equal to the radial size of the groove 51 to ensure that the position of the limit disk 243 in the groove 51 is relatively stable; at the same time, the size of the limit disk 243 is It should be increased as much as possible to increase the contact area with the spring 52 and the stability of the poppet 24 .

In this embodiment, the axial height of the limit disk 243 is smaller than the depth of the groove 51 ; even, the axial height of the limit disk 243 needs to be much smaller than the depth of the groove 51 to provide sufficient space for the valve core 24 to deflect and the limit disk 243 to incline. space allowance.

In this embodiment, the opening of the groove 51 is provided with a radially protruding ring of retaining ribs 53 . Therefore, under the blocking action of the retaining rib 53 , the limiting disk 243 is limited to the contact position with the retaining rib 53 when the spring 52 pushes the limiting disk 243 to prevent the limiting disk 243 from sliding out of the groove 51 . , causing the valve core 24 to disengage from the valve plug 5.

Preferably, the valve core 24 includes a sealing member 244, the sealing member 244 is in the shape of a cone or frustum, the large end of the sealing member 244 is coaxially connected to one end of the connecting rod 242, and the radial dimension of the large end of the sealing member 244 is larger than that of the retaining rib The radial dimension of the inner circumference of 53 is used to avoid the situation that the sealing member 244 slips into the groove and the valve core 24 cannot be reset due to the restriction of the retaining rib 53 .

In this embodiment, the plug portion 241 further includes a horizontally extending fixing rod 245 connected with the lower end of the connecting rod 242 , and the sealing member 244 is fixedly installed on the fixing rod 245 . The sealing member 244 is made of an elastic sealing material, such as rubber, etc.; the plug portion 241 is an integral piece made of a certain rigid material, such as plastic, metal, and the like.

In this embodiment, the spring 52 in the groove 51 is in a compressed state, and the spring 52 extends axially along the groove 51 .

Embodiment 2

As shown in FIG. 1 to FIG. 3 , a centrifugal valve structure is introduced in this embodiment, and the centrifugal valve 500 adopts the valve core structure described in the above embodiment; The valve plug column 5 at the water outlet set on the side wall 103 of the drum, the valve plug column 5 is arranged coaxially with the corresponding water outlet 4; the counterweight 7 hinged with the upper end of the valve plug column 5 is connected to the lower end of the valve plug column 5 The valve core 24 corresponds to the closed water outlet 4; a centrifugal valve installation structure is fixedly installed on the drum side wall 103, and a return spring 32 is clamped between the centrifugal valve installation structure and the valve core structure.

By installing the above centrifugal valve on the drum, the counterweight can be used to generate the corresponding action of opening the drain under the action of centrifugal force, and the return spring can also be used to pull and reset the valve plug, so that the valve core blocks the drain accordingly, thereby realizing The purpose of opening and closing the drain port is to use the centrifugal force of the high-speed rotation of the drum to act on the valve plug column.

In this embodiment, the valve plug column 5 is coaxially arranged at the water outlet 4, and the lower end of the valve plug column 5 is provided with a valve core 24 that protrudes radially outwards; preferably, the valve core 24 is from bottom to top The radial size of the plug is gradually expanded outward. The radial width of the large end of the valve core 24 is larger than the diameter of the drain port 4 , and the radial width of the small end is smaller than the diameter of the drain port 4 .

In this embodiment, the sealing valve installation structure includes a support plate 9 installed on the inner side wall of the drum. The middle of the support plate 9 is provided with a through hole 23 corresponding to the drainage port 4 provided on the side wall of the drum. There is a certain gap between the walls to form a space for the sealing valve core to move up and down; a sleeve-shaped installation sleeve 6 is fixedly installed on the upper side of the support plate 9, and the inner through hole of the installation sleeve 6 communicates with the support plate 9. The holes 23 are coaxially opposite to each other, so that the valve plug column 5 of the sealing valve is coaxially and can be moved up and down in the inner through hole.

In this embodiment, the installation sleeve 6 is a vertically extending cylindrical structure, the lower end of the installation sleeve 6 is open, and the upper end is provided with a folded edge 27 that protrudes horizontally inward, and the inner circumference of the folded edge 27 is provided with a downward vertical Straightly extends to the inner peripheral folded edge 28 of the lower end of the mounting sleeve; the outer wall of the inner peripheral folded edge 28 and the inner wall of the folded edge 27 are separated by a certain gap to form a chamber for the installation and fixation of the return spring 32 of the sealing valve; preferably, the return spring 32 is sleeved On the outer wall of the inner folded edge 28, the upper end of the return spring 32 is in conflict with the lower side of the folded edge 27, and the lower end of the return spring 32 is in conflict with the large end of the valve core 24; further preferably, the outer wall of the valve plug column 5 and the inner peripheral folded edge The corresponding limit of the inner wall of 28 interferes.

In this embodiment, one side of the mounting sleeve 6 is provided with a second extending rib 14 extending horizontally outward, and the extending end of the second extending rib 14 is provided with a hinge hole 31 with a horizontal axis. 7 is hingedly installed with the second extending rib 14 through a pin passing through the hinge hole 31 .

In this embodiment, the upper end of the counterweight block 7 is provided with a connecting rib 8 that protrudes and extends upward in the axial direction. The upper ends are hingedly connected; the middle part of the connecting rib 8 and the second extending rib 14 of the installation sleeve 6 are correspondingly overlapped and inserted, and are hingedly installed at the overlapping part through the penetrating bolt; preferably, the extending end of the second extending rib 14 Higher than the top of the mounting sleeve 6, the extending end of the second extending rib 14 is provided with a slot 13, the slot 13 is arranged along the extending direction of the second extending rib 14, and the middle of the connecting rib 8 of the sealing valve is correspondingly inserted into the slot 13; The slot 13 is provided with a horizontally extending hinge hole 31, and the middle portion of the connecting rib 8 is provided with a corresponding coincident hinge hole, so that the overlapped portion can be hingedly installed through a penetrating pin.

In this embodiment, the end of the connecting rib 8 is provided with a rotating hole hinged with the upper end of the valve plug column 5 , and the rotating hole is an elongated through hole 33 extending along the axis of the connecting rib 8 , so that the counterweight block 7 When rotating around the mounting sleeve 6, a space margin is provided for the connecting rib 8 to drive the valve plug column 5 to move up and down.

Preferably, in this embodiment, the outer diameter of the upper end of the valve core 24 is larger than the lower end diameter of the inner peripheral edge, and the height of the valve core 24 is smaller than the height of the gap between the support plate and the side wall of the drum.

In this embodiment, when the washing machine is in the dehydration and/or drainage state, the drum is in a high-speed rotation state, and the water in the drum is affected by centrifugal force and flows against the inner wall, and flows into the lifting rib from the gap between the drum wall and the lifting rib. When the counterweight moves to the outer circumference of the drum under the action of centrifugal force, and the counterweight provides an upward prying force towards the center of the drum through the connecting rib, the centrifugal force of the counterweight on the valve core overcomes the elastic force of the return spring, so that the The valve plug is displaced in the radial direction of the drum and opens the drain; when the washing machine is in a non-dehydrating and non-draining state, the drum is not in a high-speed rotation state, the counterweight is no longer affected by centrifugal force, and the return spring is in a pulling state. The return spring acts on the valve plug rod with a pushing force in the direction of the outer circumference of the drum, so that the valve core moves to the initial position until the drain port is closed. The spool always blocks the drain, thereby ensuring that the drain is always closed.

Embodiment 3

As shown in FIGS. 1 to 3 , a washing machine is introduced in this embodiment. The washing machine includes a drum, and at least one lifting rib is installed on the side wall of the drum. The drum lifting rib 2 includes a lifting rib body extending along the construction line of the side wall of the drum. The lifting rib body is a shell structure with an open bottom side and is fastened to the inner side wall of the drum 1. The interior of the lifting rib body is hollow to form a shell structure. The installation cavity 3 for installing the centrifugal valve in the second embodiment above, the lifting rib 2 is provided with a water passage structure for guiding the washing water in the drum 1 into the installation cavity 3; A plurality of permeable holes 210 are arranged, and each permeable hole 210 communicates the installation cavity 3 inside and outside the lifting rib 2 with the drum 1 .

By setting the drum lifting rib as a hollow chamber, the inside of the lifting rib forms a chamber for installing the centrifugal valve for water supply and drainage, so as to achieve the concealed assembly of the centrifugal valve and realize the function of using centrifugal force to drain water in the no-clean washing machine; at the same time, the lifting rib is Extend along the drum construction line, so that when the drum rotates, the lifting rib blocks the washing water flowing against the wall, so that the blocked washing water flows into the lifting rib through the water-passing structure set on the lifting rib, and then achieves the purpose of guiding the water flow out. .

In this embodiment, the inner side wall of the drum 1 is provided with a plurality of lifting ribs 2 symmetrically arranged relative to the axis of the drum. A sealing valve corresponding to each water outlet 4 is provided inside.

In this embodiment, the plurality of lifting ribs 2 set on the drum 1 are symmetrically arranged at equal intervals, so that the clothes in the drum 1 can be affected by the uniformly arranged lifting ribs 2 to produce uniform lifting and beating. , thereby improving the laundry washing efficiency.

In this embodiment, the plurality of lifting ribs 2 provided on the drum 1 can also be set as follows: the lifting ribs 2 are arranged corresponding to the drum door body, so that the center of gravity of the drum 1 is at the central axis, thereby ensuring that the drum rotates during the rotation process. balance and improve the smoothness of drum rotation.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention is based on the technical solution of the present invention. Substantially any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims

A valve core structure includes a valve core and a valve plug column; it is characterized in that the valve core and the valve plug column are connected flexibly.
The valve core structure according to claim 1, wherein the end of the valve plug column is provided with a groove, the valve core is provided with a plug-in portion corresponding to the groove, a spring is arranged in the groove, and the spring is provided with a spring. The two ends are respectively connected with the plug portion and the groove.
The valve core structure according to claim 2, wherein the plug-in portion comprises a connecting rod extending axially along the groove, one end of the connecting rod is connected with the sealing member of the valve core, and the other end is connected with the limiting plate, The limit disk and the connecting rod are coaxially arranged and extend radially along the groove, the limit disk is correspondingly inserted into the groove, and the end of the spring is connected with the limit disk;

Preferably, the radial dimension of the limiting disk is equal to the radial dimension of the groove;

Preferably, the axial height of the limiting disk is less than the depth of the groove.
The valve core structure according to claim 3, wherein a ring of retaining ribs protruding radially is provided at the opening of the groove, and the inner circumference of the retaining ribs is smaller than the radial size of the limit plate and larger than the radial dimension of the connecting rod;

Preferably, the valve core includes a sealing member, the sealing member is conical or truncated cone shape, the big end of the sealing member is coaxially connected to one end of the connecting member, and the radial dimension of the big end of the sealing member is larger than the radial dimension of the inner circumference of the retaining rib .
A valve core structure according to claim 3, wherein the spring in the groove is in a compressed state, the spring extends axially along the groove, and the two ends of the spring are respectively connected to the groove bottom of the groove and the limit plate .
A centrifugal valve, comprising: a bracket; characterized in that, the valve core structure according to any one of the above claims 1 to 5 is installed on the bracket, and the valve plug column of the valve core structure is correspondingly inserted into the installation sleeve of the bracket; the valve The core is under the mounting sleeve.
The centrifugal valve according to claim 6, wherein the installation sleeve is provided with a return spring sleeved on the outer periphery of the valve plug column, and the two ends of the return spring are respectively connected with the installation sleeve and the valve core.
A centrifugal valve according to claim 6, characterized in that the upper end of the valve plug rod protrudes out of the installation sleeve; the installation sleeve is provided with a rotatably connected counterweight, and one end of the counterweight is provided with a protruding extension. connecting rib, the middle part of the connecting rib is connected with the installation sleeve through the rotating shaft, and the end of the connecting rib is connected with the upper end of the valve plug column;

Preferably, the upper end of the valve plug column is provided with a connecting shaft, the second end of the centrifugal member is provided with an elongated through hole with a strip-shaped cross-section, the connecting shaft passes through the elongated through hole correspondingly, and the connection between the centrifugal member and the valve plug column is provided. can rotate and/or move relative to each other.
A washing machine, comprising: a drum; characterized in that the drum is provided with a drain outlet, the drum is provided with the centrifugal valve according to any one of the above claims 6 to 8, and the valve core of the centrifugal valve corresponds to the drainage port provided on the drum mouth.
The washing machine according to claim 9, wherein at least one lifting rib protruding radially toward the axis of the drum is provided on the side wall of the drum, the inside of the lifting rib is hollow to form an installation cavity, and the lifting rib is provided with a communicating installation The cavity and the water permeable hole of the drum, the centrifugal valve is installed in the hollow installation cavity inside the lifting rib, the drainage port is set on the side wall of the drum, the corresponding buckle of the lifting rib, and the valve core of the centrifugal valve correspondingly blocks the drainage port.