CN108729102B

CN108729102B - Washing machine

Info

Publication number: CN108729102B
Application number: CN201710258535.2A
Authority: CN
Inventors: 吕佩师; 许升; 吕艳芬; 郝兴慧; 吴迪
Original assignee: Qingdao Haier Washing Machine Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2017-04-19
Filing date: 2017-04-19
Publication date: 2020-10-16
Anticipated expiration: 2037-04-19
Also published as: WO2018192547A1; CN108729102A

Abstract

The invention relates to a washing machine, which comprises a box body, a washing barrel and a mounting plate arranged at the lower part of the washing barrel, wherein the mounting plate is connected with the box body through a damping component, the washing barrel is used as a water containing barrel and can rotate relative to the mounting plate, a flexible sealing structure is arranged between the outer edge of the mounting plate and the box body, the flexible sealing structure forms a sunken annular groove to collect washing water flowing down along the inner wall of the box body, the bottom of the annular groove is provided with an auxiliary water outlet, and the auxiliary water outlet is communicated with the outside of the washing machine. The washing machine of the invention omits an outer barrel structure, achieves the purpose of capacity expansion of the washing machine, and on the other hand, the invention avoids the problem of short circuit of the washing machine caused by splashing of washing water, and effectively prolongs the service life of the washing machine.

Description

Washing machine

Technical Field

The invention relates to a washing machine, in particular to a washing machine.

Background

The existing pulsator washing machine generally comprises a washing barrel, an outer barrel, a vibration reduction component and a power system, wherein the washing barrel rotates relative to the outer barrel during washing and dewatering so that clothes and washing water generate effects to achieve the purpose of washing the clothes or dewatering, the outer barrel is used as a water containing barrel and is not contacted with the clothes in the washing process, the outer barrel is arranged outside the washing barrel to provide support for the washing barrel, the volume of the outer barrel of the existing washing machine relative to the washing barrel is large, the quantity of washing water stored between the inner barrel and the outer barrel is large, the washing water cannot be fully utilized, the arrangement is not only not beneficial to water saving, but also the overall volume of the washing machine is large. Chinese patent No. 99230455.5 discloses a single-tub water-saving washing machine, wherein a water collecting device is disposed at the tub opening of the washing tub, the water collecting opening of the water collecting device is covered at the tub opening along the washing tub, a water collecting cavity at the tub opening of the water collecting device is connected with a plurality of water discharging pipes, which are symmetrically disposed from top to bottom along the outer wall of the washing tub, when spin-drying, the water collecting device collects the centrifugal water flow rotating at high speed and guides and discharges the water flow downwards.

The invention is therefore set forth in this light.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a washing machine which can enlarge the volume of a washing barrel, improve the water-saving effect and prevent short circuit of an electric appliance caused by splashing of washing water.

In order to realize the purpose, the invention adopts the following technical scheme:

the utility model provides a washing machine, includes, box, washtub, sets up the mounting panel in the washtub lower part, the mounting panel passes through the damping part and is connected with the box, and the washtub is as the water-holding bucket, but relative mounting panel rotates, still is equipped with flexible seal structure between the outward flange of mounting panel and box, flexible seal structure forms the ring channel of formula of sinking to collect along the washing water that the box inner wall flows down, the bottom of ring channel is equipped with vice outlet, vice outlet and washing machine's outside intercommunication.

Furthermore, a drainage channel is arranged on the inner side of the peripheral wall of the washing barrel, a water collecting ring is arranged at the upper end of the washing barrel, a dewatering opening is arranged on the inner side of the water collecting ring, the upper end of the drainage channel is communicated with the water collecting ring, and the lower end of the drainage channel is communicated with a drainage opening arranged at the bottom of the washing barrel; and a valve plug for controlling the drainage port to be opened or closed is arranged at the drainage port at the bottom of the washing barrel.

Furthermore, the annular groove comprises a first mounting structure extending from the edge of the mounting plate, a second mounting structure extending from the inner wall of the box body and arranged opposite to the first mounting structure, and a sealing ring connecting the first mounting structure and the second mounting structure; the sealing ring is of an elastic structure and is connected with the first mounting structure and the second mounting structure in a sealing mode, and the auxiliary water outlet is formed in the bottom of the sealing ring.

Further, the sealing ring has diapire and both sides wall, and at least both sides wall has elasticity, first mounting structure is the first annular flange that downwardly extending formed by the outward flange of mounting panel, second mounting structure includes the horizontal segment that extends by the box inner wall level and is connected and downwardly extending's second annular flange with the horizontal segment.

Further, one of the side walls of the seal ring is fixed to the first annular flange in a pressing manner by a fastening ring, and the other side wall is fixed to the second annular flange in a pressing manner by another fastening ring.

Furthermore, the upper surface of the mounting plate is provided with a circle of raised water retaining rings, the mounting plate is provided with a main water drainage port on the inner side of the water retaining rings, the annular groove is positioned on the outer side of the water retaining rings, a water drainage port at the bottom of the washing barrel is communicated with the main water drainage port, the main water drainage port is communicated with the outside of the washing machine through a washing machine water drainage pipe, and the auxiliary water drainage port is connected with the washing machine water drainage pipe through a branch water pipe.

Furthermore, the drainage channel comprises a water channel shell and a part of the wall of the washing barrel, one side of the water channel shell facing the wall of the washing barrel is provided with a groove which is communicated up and down, and the water channel shell is buckled on the wall of the washing barrel and forms a water flow channel together with the wall of the washing barrel.

Furthermore, a water baffle for guiding the washing water to enter the drainage channel is arranged in the water collecting ring, and the water baffle is positioned above the water inlet of the drainage channel and is obliquely arranged at a certain angle with the horizontal plane.

Furthermore, one side of the water collecting ring facing the axis of the washing barrel is an arc-shaped surface which is gradually bent towards the center of the washing barrel from bottom to top along the axis of the washing barrel, and a dewatering opening of the water collecting ring is arranged at the starting end of the bottom of the arc-shaped surface.

Furthermore, still be equipped with a locking structure on the mounting panel, locking structure is located the bottom of washtub to with the washtub cooperation, in order to restrict the washtub and rotate.

After the technical scheme of the invention is adopted, the following beneficial effects are brought:

the washing machine of the invention omits an outer barrel structure, the washing barrel is directly used as a water containing barrel, the utilization rate of the washing water can be improved, the use amount of the washing water is reduced, meanwhile, after the outer barrel is omitted, the volume of the washing barrel can be set to be larger, the amount of clothes to be washed is increased along with the increase of the volume, and the purpose of capacity expansion of the washing machine is achieved.

Drawings

FIG. 1: the structure of the invention is sectioned;

FIG. 2: the structure of part of the drainage channel of the invention;

FIG. 3: is a partial enlarged view of Y of FIG. 2;

FIG. 4: is a partial enlarged view of K in FIG. 1;

wherein: 1. the device comprises a box body 2, a washing barrel 3, a power device 4, a mounting plate 5, a drainage channel 6, a drainage pipe 7, a balance ring 8, a water collecting ring 9, a hanging rod 10, a hanging rod seat 11, a water channel shell 12, a water retaining ring 13, a water retaining plate 14, a locking mechanism 15, a valve plug 16, a main drainage port 17, an auxiliary drainage port 18, an annular groove 19, a first annular flange 20, a second annular flange 21, a sealing ring 22, a fastening ring 23, a horizontal section 24 and a branch water pipe.

Detailed Description

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

As shown in fig. 1, a washing machine includes a cabinet 1, a washing tub 2 for receiving laundry, a power unit 3 for driving the washing tub 2 to rotate, and a mounting plate 4 mounted at a lower portion of the washing tub 2, and a vibration damping member for connecting the mounting plate 4 to the cabinet 1, the mounting plate 4 being suspended in the cabinet 1 by the vibration damping member. The washing tub 2 is rotatably disposed in the cabinet 1, the washing tub 2 is seated on the mounting plate 4 and is rotatable with respect to the mounting plate 4, the washing tub 2 serves as a water tub for containing washing water, the mounting plate 4 is used to support the washing tub 2, and the mounting plate 4 is movably connected with the cabinet 1 through a vibration damping member, so that the washing tub 2 and the mounting plate 4 vibrate during washing or dehydration, and the vibration is absorbed after being transmitted to the vibration damping member.

Referring to fig. 4, a water outlet is formed in the bottom of the washing tub 2, a circle of raised water retaining ring 12 is arranged on the upper surface of the mounting plate 4, the water retaining ring 12 is raised from the upper surface of the mounting plate 4 to the washing tub 2 and extends to a certain height to form a cavity structure for containing washing water, and a flexible sealing structure is further arranged between the outer edge of the mounting plate 4 and the cabinet 1 and forms a sunken annular groove 18 for collecting the washing water flowing down along the inner wall of the cabinet 1. A main water discharge port 16 is arranged on the mounting plate 4 and positioned at the inner side of the water retaining ring 12, a water discharge port at the bottom of the washing barrel 2 is communicated with the main water discharge port 16, an auxiliary water discharge port 17 is arranged at the bottom of the annular groove 18, and the auxiliary water discharge port 17 is communicated with the outside of the washing machine.

Specifically, the main drain port 16 communicates with the outside of the washing machine through the washing machine drain pipe 6, and the sub drain port 17 is connected to the washing machine drain pipe 6 through the branch water pipe 24.

The top end of the washing barrel 2 is provided with a balance ring 7, the lower side of the balance ring 7 is provided with a water collecting ring 8, the inner side of the peripheral wall of the washing barrel 2 is provided with a drainage channel 5, the water collecting ring 8 is communicated with the drainage channel 5, the inner side of the water collecting ring 8 or one side facing the washing barrel 2 is provided with a dewatering opening, the drainage channel 5 is vertically arranged, the upper end of the drainage channel is communicated with the water collecting ring 8, and the lower end of the drainage channel is communicated with a drainage opening at the bottom of. The washing barrel 2 has a certain taper, when the washing barrel 2 rotates at a high speed, the washing water in the washing barrel 2 will climb upwards along the wall of the washing barrel under the action of centrifugal force, and enter the water collecting ring 8 from the dewatering opening of the water collecting ring 8 after rising to a certain height, the washing water circularly flows in the water collecting ring 8, when the rotating speed of the washing barrel 2 is reduced, the washing water will flow downwards along the drainage channel 5 and be discharged from the drainage outlet at the bottom of the washing barrel.

Referring to fig. 2 and 3, preferably, a water baffle 13 for guiding the washing water into the drainage channel 5 is disposed in the water collecting ring 8, and the water baffle 13 is disposed above the water inlet of the drainage channel 5 and inclined at a certain angle with the horizontal plane. When the washing water circularly flows in the water collecting ring 8, the washing water collides with the water baffle 13, one side of the water baffle 13, which is opposite to the water flow direction, is inclined downwards, so that the water flow collides with the water baffle 13 and then changes the flow direction, and then the water flow changes from flowing along the circumferential direction of the barrel to flowing downwards along the wall of the barrel and enters the drainage channel 5. Because the water baffle 13 changes the flow direction of the water in the water collecting ring 8, the water in the water collecting ring 8 can flow into the drainage channel 5 during high-speed dehydration, and the excessive water in the water collecting ring 8 is avoided.

A valve plug 15 is installed to the outlet of washing tub 2 bottom, valve plug 15 is located the inboard of water retaining ring 12, and in the washing stage, valve plug 15 is in the closed condition, and in the dehydration stage, valve plug 15 is in the open mode, and after valve plug 15 opened, the washing water in washing tub 2 flowed into the cavity structure to be discharged outside the washing machine by washing machine drain pipe 6.

Specifically, the annular groove 18 is located outside the water retaining ring 12, and includes a first mounting structure extending from the edge of the mounting plate 4, a second mounting structure extending from the inner wall of the tank 1 and disposed opposite to the first mounting structure, and a sealing ring 21 connecting the first mounting structure and the second mounting structure; the first mounting structure and the second mounting structure are arranged at a certain distance, the sealing ring 21 is of an elastic structure and is connected with the first mounting structure and the second mounting structure in a sealing mode, and the auxiliary water outlet 17 is arranged at the bottom of the sealing ring 21.

The sealing ring 21 has a bottom wall and two side walls, at least two of which are elastic to deform when the mounting plate 4 moves up and down. The first mounting structure is a first annular flange 19 formed by extending downward from the outer edge of the mounting plate 4, and the second mounting structure comprises a horizontal section 23 extending horizontally from the inner wall of the box body 1 and a second annular flange 20 connected with the horizontal section 23 and extending downward. Preferably, the first mounting structure and the mounting plate 4 are integrally formed, and the second mounting structure and the box body 1 may be integrally formed, or may be separately manufactured and then mounted on the inner wall of the box body 1, and the joint is sealed.

Preferably, one of the side walls of said sealing ring 21 is fixed in compression on the first annular flange 19 by means of a fastening ring 22, the other side wall being fixed in compression on the second annular flange 20 by means of another fastening ring.

Preferably, the water-stop ring 12 is slightly higher than the bottom surface of the washing tub 2, and has a large clearance with the outer circumferential wall of the washing tub 2 to prevent collision when the washing tub 2 rotates.

The lower end of the drainage channel 5 is connected with a drainage outlet at the bottom of the washing barrel 2, the drainage outlet is positioned below the impeller of the washing machine, the drainage channel 5 extends to the drainage outlet, the drainage channel 5 comprises a water channel shell 11 and a part of the wall of the washing barrel, one side of the water channel shell 11 facing the wall of the washing barrel is provided with a groove which is communicated up and down, and the water channel shell 11 is buckled on the wall of the washing barrel and forms a water flow channel together with the wall of the washing barrel. The water channel housing 11 is similar to the water channel structure of the conventional washing machine inner tub, except that the upper end of the water channel housing 11 extends to be connected with the water collecting ring 8, and the side of the water channel housing 11 facing the axis of the washing tub 2 is not provided with a water outlet.

A plurality of side-by-side grooves may be formed in the waterway housing 11 to form a plurality of water flow passages.

Preferably, the water channel housing 11 is detachably mounted on the washing tub 2, the bottom of the water channel housing 11 is provided with a hook, the tub wall of the washing tub 2 is provided with a bayonet matched with the hook, and the upper portion of the water channel housing 11 is provided with a screw hole and is fixedly connected with the washing tub 2 through a screw. When the waterway housing 11 is installed, the hook can be firstly positioned and supported on the bayonet, and then the waterway housing 11 is fixed on the washing tub 2 by a screw.

Preferably, a side of the waterway housing 11 facing the axis of the washing tub is provided with protrusions or grains for contacting and rubbing with the clothes, and a surface of the waterway housing 11 facing the axis of the washing tub may perform a rubbing action with the clothes during the washing process.

In order to avoid that washing water overflows from the washing barrel 2 during dewatering, one side of the water collecting ring 8 facing the axis of the washing barrel is an arc-shaped surface which is gradually bent towards the center of the washing barrel 2 from bottom to top along the axis of the washing barrel, so that an opening at the upper end of the washing barrel 2 is gradually reduced, a dewatering opening of the water collecting ring 8 is arranged at the starting end of the bottom of the arc-shaped surface, when the washing water ascends along the barrel wall, the arc-shaped surface of the water collecting ring 8 plays a role in blocking the water flow to continuously ascend, and the collected water flow enters the dewatering opening of the water collecting ring 8.

The power device is arranged at the bottom of the mounting plate 4 and comprises a motor and a speed reduction clutch, and a rotating shaft of the motor is connected with the bottom of the washing barrel through the speed reduction clutch so as to drive the washing barrel 2 to rotate. The output shaft of the speed reduction clutch penetrates through the mounting plate 4 to be connected with the washing barrel 2, and at least one dynamic seal is arranged between the output shaft and the mounting plate 4. Preferably, the bottom of the mounting plate 4 is provided with a plurality of reinforcing ribs protruding downwards.

The upper surface of mounting panel 4 still is equipped with a locking structure 14, locking mechanism 14 is located the bottom of washtub 2 to with the cooperation of washtub 2, in order to restrict washtub 2 and rotate, locking mechanism 14 can pin washtub 2, prevents that washtub 2 from rotating, and at the washing stage, locking mechanism 14 pins washtub 2, makes it can not rotate, and at the dehydration stage, locking mechanism 14 unblock for washtub 2 can rotate.

The damping part includes jib 9 and jib seat 10, the upper end and the box 1 of jib 9 are connected, and the lower extreme is connected with jib seat 10, be equipped with on the edge of mounting panel 4 with jib seat 10 complex bayonet socket, jib seat 10 card form is in the bayonet socket to be located the downside of mounting panel 4, install the spring in jib seat 10, under mounting panel 4 and washing barrel 2 action of gravity, the spring in jib seat 10 is compressed to play the function of damping when 2 vibrations of washing barrel. The mounting plate 4 is located at the lower part of the washing tub 2, so that the lifting rod seat 10 is located below the washing tub 2, does not occupy the space between the washing tub 2 and the cabinet 1, and is beneficial to expanding the volume of the washing tub 2.

The dehydration process of the invention is that firstly, the water in the washing barrel 2 is discharged through the water outlet at the bottom of the washing barrel 2 before dehydration, then the motor drives the washing barrel 2 to rotate at high speed, the residual water in the washing barrel 2 ascends along the wall of the washing barrel under the action of centrifugal force and enters the water collecting ring 8, the water flow in the water collecting ring 8 is changed in flow direction under the action of the water baffle 13, flows downwards into the water discharge channel 5, flows out of the washing barrel 2 along the water discharge channel 5, falls into the cavity structure enclosed by the water baffle 12, is discharged out of the washing machine through the main water discharge port 16 and the water discharge pipe 6 of the washing machine, and part of the washing water splashed out of the washing barrel 2 flows into the annular groove 18 along the inner wall of the box body 1 and is discharged through the auxiliary water outlet 17.

The foregoing is directed to embodiments of the present invention, and it is understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a washing machine, includes, box, washtub, sets up the mounting panel in the washtub lower part, the mounting panel passes through the damping part and is connected with the box, and the washtub is as the water-holding bucket, but relative mounting panel rotates its characterized in that: a flexible sealing structure is arranged between the outer edge of the mounting plate and the box body, a sunken annular groove is formed by the flexible sealing structure to collect washing water flowing down along the inner wall of the box body, and an auxiliary water outlet is arranged at the bottom of the annular groove and communicated with the outside of the washing machine;

a drainage channel is arranged on the inner side of the peripheral wall of the washing barrel, a water collecting ring is arranged at the upper end of the washing barrel, a dewatering opening is arranged on the inner side of the water collecting ring, the upper end of the drainage channel is communicated with the water collecting ring, and the lower end of the drainage channel is communicated with a drainage opening arranged at the bottom of the washing barrel; a water outlet at the bottom of the washing barrel is provided with a valve plug for controlling the opening or closing of the water outlet;

the water collecting ring is internally provided with a water baffle for guiding washing water to enter the drainage channel, and the water baffle is positioned above the water inlet of the drainage channel and is obliquely arranged at a certain angle with the horizontal plane;

one side of the water collecting ring facing the axis of the washing barrel is an arc-shaped surface which is gradually bent towards the center of the washing barrel from bottom to top along the axis of the washing barrel, and a dewatering opening of the water collecting ring is arranged at the starting end of the bottom of the arc-shaped surface;

the annular groove comprises a first mounting structure extending from the edge of the mounting plate, a second mounting structure extending from the inner wall of the box body and arranged opposite to the first mounting structure, and a sealing ring connecting the first mounting structure and the second mounting structure; the sealing ring is of an elastic structure and is connected with the first mounting structure and the second mounting structure in a sealing manner, and the auxiliary water outlet is arranged at the bottom of the sealing ring;

the sealing ring is provided with a bottom wall and two side walls, at least two side walls have elasticity, the first mounting structure is a first annular flange formed by downward extension of the outer edge of the mounting plate, and the second mounting structure comprises a horizontal section horizontally extended from the inner wall of the box body and a second annular flange connected with the horizontal section and extending downward;

one side wall of the sealing ring is fixed on the first annular flange in a pressing mode through a fastening ring, and the other side wall of the sealing ring is fixed on the second annular flange in a pressing mode through another fastening ring.

2. A washing machine as claimed in claim 1, characterized in that: the washing machine is characterized in that a circle of raised water retaining ring is arranged on the upper surface of the mounting plate, a main drainage port is arranged on the mounting plate and on the inner side of the water retaining ring, the annular groove is located on the outer side of the water retaining ring, a drainage port at the bottom of the washing barrel is communicated with the main drainage port, the main drainage port is communicated with the outside of the washing machine through a washing machine drainage pipe, and the auxiliary drainage port is connected with the washing machine drainage pipe through a branch water pipe.

3. A washing machine as claimed in claim 1, characterized in that: the drainage channel comprises a water channel shell and a part of the wall of the washing barrel, wherein one side of the water channel shell facing the wall of the washing barrel is provided with a groove which is communicated up and down, and the water channel shell is buckled on the wall of the washing barrel and forms a water flow channel together with the wall of the washing barrel.

4. A washing machine as claimed in claim 1, characterized in that: still be equipped with a locking structure on the mounting panel, locking structure is located the bottom of washtub to with the washtub cooperation, in order to restrict the washtub and rotate.