CN116575220A

CN116575220A - Drainage mechanism of washing machine

Info

Publication number: CN116575220A
Application number: CN202310567436.8A
Authority: CN
Inventors: 夏文龙; 滕登宇
Original assignee: Eryan Wuxi Home Appliance R & D Co ltd
Current assignee: Eryan Wuxi Home Appliance R & D Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-08-11

Abstract

The invention relates to a drainage mechanism of a washing machine, which realizes the lifting function of a driving block on a washing shaft by controlling the washing shaft to rotate forwards and backwards to drive the driving block to reciprocate, and is applied to a drainage system of an inner barrel of the washing machine, so that the water is discharged out of the barrel only by driving a drainage cover to be closed through the rotation of the washing shaft under the condition that an additional control unit is not needed for the inner barrel. Compared with the existing drainage system, the drainage system has the advantages of simple structure, high reliability and convenience in control.

Description

Drainage mechanism of washing machine

Technical Field

The present invention relates to a drainage mechanism, and more particularly, to a drainage mechanism for a washing machine.

Background

The washing machine is one of the electrical appliances frequently used in daily life of people, the existing washing machine is mainly a washing and dehydrating integrated washing machine, such as a floating clutch and a washing machine with the publication number of CN217149629U, the washing and dehydrating functions are respectively controlled by the rotation of a washing shaft and a dehydrating shaft, and the water is discharged out of the barrel by the connection and disconnection of a drainage pump. The washing machine with the structure is characterized in that the dewatering shaft is sleeved on the washing shaft and connected through the corresponding mechanism, so that the structure is complex, the cost is high, the maintenance is difficult, and in order to realize the control of the dewatering shaft and the washing shaft, an additional control unit is additionally needed, and the control program is relatively complex.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a drainage mechanism of a washing machine, which has the advantages of simple structure, easy maintenance, lower cost and simple control.

The invention relates to a water draining mechanism of a washing machine, which comprises a base, wherein an inner barrel is arranged above the base, a mounting hole is formed in the middle of the bottom wall of the inner barrel, a mounting plate connected with the bottom wall of the inner barrel is arranged at the mounting hole, a washing shaft is arranged below the mounting plate, the top end of the washing shaft penetrates through the mounting plate and stretches into the inner barrel, a connecting flange is arranged in the middle of the mounting plate, the connecting flange comprises a bottom connecting plate fixedly connected with the mounting plate and a connecting pipe with the bottom end fixedly arranged at the bottom connecting plate, a driving block capable of moving up and down is arranged in the connecting pipe, a threaded rod matched with the driving block is arranged on the washing shaft, a water draining control pipe is arranged at the top end of the connecting pipe, a control ring positioned above the driving block is fixedly arranged on the side wall of the water draining control pipe, a top limiter is arranged above the control ring, a polish rod is sleeved on the top of the washing shaft, a water draining cover is sleeved outside the water draining control pipe, the top end of the water draining cover is fixedly connected with the water draining control pipe, an annular outer edge is arranged at the bottom of the mounting plate, a locking plate is arranged on the mounting plate, the bottom connecting plate is fixedly connected with the water draining control pipe, an elastic piece capable of tightly pressing the annular outer edge on the surface, and elastic piece is arranged between the water draining control pipe and the bottom sealing plug and the top sealing plug.

The water draining mechanism of the washing machine drives the threaded rod to rotate through the washing shaft, so that the driving block in threaded fit with the threaded rod can move up and down in the connecting pipe.

The arrangement of the driving block, the control ring, the drain cover and other parts enables the drain mechanism to realize washing and draining functions through one washing shaft, and compared with the scheme of adopting a dewatering shaft and a washing shaft, the structure is simpler, the cost is lower, the control module is not required to be additionally arranged, and the control program is relatively simple.

Furthermore, in the drainage mechanism of the washing machine, the middle part of the mounting plate is provided with the positioning flange which is matched with the bottom connecting plate, and the bottom connecting plate is sleeved on the positioning flange.

The setting of location flange has realized the location to the bottom connecting plate, can prevent simultaneously that sewage from revealing from the through-hole at mounting panel middle part.

Further, in the drainage mechanism of the washing machine, the outer wall of the drainage control pipe is provided with the support flange, the top end of the drainage cover is provided with the annular inner edge, and the annular inner edge is fixedly connected with the support flange.

The arrangement of the support flange and the annular inner edge enables the drain control pipe to drive the drain cover to lift through the support flange and the annular inner edge.

Further, the water-proof pipe is a corrugated pipe, the water-proof pipe between the water-proof control pipe and the top limiter is an upper water-proof pipe, the water-proof pipe between the water-proof control pipe and the bottom connecting plate is a lower water-proof pipe, the top end of the upper water-proof pipe is fixedly connected with the top limiter, the bottom end of the upper water-proof pipe is fixedly connected to the top of the water-proof control pipe, the top of the lower water-proof pipe is positioned below the supporting flange and is connected with the water-proof control pipe, and the bottom end of the lower water-proof pipe is fixedly connected with the bottom connecting plate.

Further, in the drainage mechanism of the washing machine, an oil jacket is arranged between the top limiter and the washing shaft.

The arrangement of the oil jacket realizes the sealing function and simultaneously reduces the friction between the polish rod at the top of the threaded rod and the top limiter.

Furthermore, in the drainage mechanism of the washing machine, the surface of the mounting plate is provided with the connecting column, the bottom end of the connecting column is fixedly arranged on the mounting plate, the top end of the connecting column penetrates through the perforation on the annular outer edge surface, and the locking plate is fixedly arranged at the top end of the connecting column.

The arrangement of the connecting column realizes the installation of the locking plate and the limit and the guide of the drainage cover.

Further, in the drainage mechanism of the washing machine, the elastic piece is the pressure spring, the pressure spring is sleeved on the connecting column, the top end of the pressure spring is contacted with the locking plate, and the bottom end of the pressure spring is contacted with the annular outer edge.

The arrangement of the pressure spring enables the annular outer edge to be pressed against the surface of the mounting plate.

Furthermore, in the drainage mechanism of the washing machine, the connecting pipe is internally provided with a reset spring positioned below the driving block. The reset spring is sleeved outside the washing shaft, the top end of the reset spring is contacted with the driving block, and the bottom end of the reset spring is contacted with the bottom connecting plate.

When the drive block descends from the threaded rod to the polish rod at the bottom end of the drive block under the drive of the washing shaft, the reset spring can lift the drive block to be in threaded connection with the threaded rod, so that the reset function of the drive block is realized. Wherein, connecting pipe and drive piece slidable fit, its inner wall can set up in the conducting bar of drive piece adaptation, perhaps set up it as special-shaped connecting pipe to realize the direction function to the drive piece, prevent that it from rotating with.

The foregoing description is merely an overview of the embodiments of the present invention, and is intended to provide a more clear understanding of the technical means of the present invention, as embodied in the present invention, by way of example only.

Drawings

Fig. 1 is a front view of a drain mechanism of a washing machine, in which an upper portion of an inner tub is not shown;

fig. 2 is a perspective view of a drain mechanism of the washing machine of fig. 1;

FIG. 3 is an assembly view including a mounting plate, drain cover, etc.;

FIG. 4 is an exploded view of the assembly of FIG. 3;

FIG. 5 is a cross-sectional view of the assembly of FIG. 3;

fig. 6 is a rear cross-sectional view of a drain mechanism of a washing machine, in which an inner tub is partially;

FIG. 7 is an enlarged view of a portion of the drain cover and other components within the dashed line box of FIG. 6;

fig. 8 is another angular cross-sectional view of a drain cover or the like.

In the figure, an inner tub 1, a mounting hole 2, a mounting plate 3, a washing shaft 4, a bottom connecting plate 5, a connecting pipe 6, a driving block 7, a threaded rod 8, a drain control pipe 9, a control ring 10, a top limiter 11, a drain cover 12, an annular outer edge 13, a locking plate 14, an elastic member 15, a waterproof pipe 16, a positioning flange 17, a supporting flange 18, an annular inner edge 19, an upper waterproof pipe 20, a lower waterproof pipe 21, a connecting column 22, a return spring 23, a sealing plug 25, a drain hole 26 and an oil jacket 27.

Detailed Description

The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.

Referring to fig. 1 to 8, the drainage mechanism of the washing machine of this embodiment, the on-line screen storage device comprises a base (not shown in the drawings), the top of the base is equipped with inner tub 1, the middle part of inner tub diapire is equipped with mounting hole 2, mounting hole department is equipped with mounting plate 3 that is connected with inner tub diapire, the below of mounting plate is equipped with wash shaft 4, the top of wash shaft passes the mounting plate and stretches into in the inner tub, the middle part of mounting plate is equipped with flange, flange includes the bottom connecting plate 5 that links firmly with the mounting plate, the bottom sets firmly in the connecting pipe 6 of bottom connecting plate, be equipped with driving piece 7 that can reciprocate in the connecting pipe, be equipped with on the wash shaft with driving piece screw-thread fit's threaded rod 8, the top of connecting pipe is equipped with drainage control pipe 9, set firmly on the lateral wall of drainage control pipe and be located driving piece top control ring 10, the top of control ring is equipped with top stopper 11, top stopper cover is on the polished rod at the wash shaft top, the outside of drainage control pipe still overlaps drain cover 12, the top and the drain cover's top links firmly with drainage control pipe, the bottom of drain cover is equipped with cyclic annular outer fringe 13, be equipped with locking plate 14 on the mounting plate, sealing plug 14 can be equipped with between the bottom surface and the sealing plug that can be equipped with between the annular sealing plug and the bottom surface 15 on the sealing plug and the top of sealing plug, the sealing plug is equipped with the sealing plug that can be located between the annular sealing plug and the bottom surface of the sealing plug on the sealing plug and the sealing plug.

The following is a specific working principle of the drainage mechanism of the washing machine.

During washing, the washing shaft is driven by the motor to rotate positively and negatively so as to drive the pulsator at the top end of the washing shaft to rotate in the inner barrel, and then the underwear is washed.

At this time, the annular outer edge of the bottom end of the drain cover is pressed on the mounting plate by the elastic piece, and water in the inner barrel cannot be discharged through the water supply and drain holes on the mounting plate.

When the washing shaft rotates, the driving block reciprocates up and down in the connecting pipe under the driving of the threaded rod, and at the moment, the driving block is separated from the control ring.

When water is needed to be drained, the washing shaft rotates by a preset angle, so that the threaded rod drives the driving block to ascend to be in contact with the control ring. And the washing shaft continues to rotate, and the driving block lifts the control ring under the driving of the threaded rod, so that the drain control pipe connected with the control ring is driven to lift.

Because the top end of the drain cover is connected with the drain control pipe, the drain cover moves upwards against the elastic force of the elastic piece along with the rising of the drain control pipe until the drain hole below the drain cover is opened. After that, the water in the inner tub can be discharged through the water discharge hole.

After the sewage is completely discharged, the driving block is driven by the washing shaft and the threaded rod to restore to the original position, and the drainage cover is reset under the elastic action of the elastic piece, so that the drainage hole below the drainage cover is closed.

Through the description, the water draining mechanism realizes the opening and closing of the water draining cover through the parts such as the washing shaft, the driving block, the control ring and the like, thereby realizing the purpose of switching the washing and draining procedures of the single washing shaft.

Wherein, the waterproof tube is used for preventing sewage from revealing through drainage control pipe and connecting pipe, and it has certain elasticity to satisfy the lift demand of drainage control pipe and drain cover.

The base is used for installing parts such as a motor and the like, is connected with the shell of the washing machine, the bottom end of the washing shaft is connected with the output shaft of the motor in the washing shaft, and the specific structure of the base is conventional technology and is not repeated.

Preferably, in the drainage mechanism of the washing machine of this embodiment, a positioning flange 17 adapted to the bottom connecting plate is provided in the middle of the mounting plate, and the bottom connecting plate is sleeved on the positioning flange.

Specifically, the periphery of the bottom connecting plate is provided with a side wall, and the side wall is sleeved on the positioning flange during installation, so that the bottom connecting plate is positioned. The middle parts of the mounting plate and the bottom connecting plate are provided with perforations, and the top end of the washing shaft passes through the perforations and is connected with the driving block in the connecting pipe.

Preferably, in the drainage mechanism of the washing machine of this embodiment, the outer wall of the drainage control pipe is provided with a support flange 18, the top end of the drainage cover is provided with an annular inner edge 19, and the annular inner edge is fixedly connected with the support flange.

As a preferred embodiment, the water-proof pipe of the drainage mechanism of the washing machine of this embodiment is a bellows, the water-proof pipe between the drainage control pipe and the top limiter is an upper water-proof pipe 20, the water-proof pipe between the drainage control pipe and the bottom connecting plate is a lower water-proof pipe 21, the top end of the upper water-proof pipe is fixedly connected with the top limiter, the bottom end of the upper water-proof pipe is fixedly connected with the top of the drainage control pipe, the top of the lower water-proof pipe is located below the support flange and connected with the drainage control pipe, and the bottom end of the lower water-proof pipe is fixedly connected with the bottom connecting plate.

Preferably, an oil jacket 27 is provided between the top stopper and the washing shaft in the drain mechanism of the washing machine of the present embodiment.

In this embodiment, the threaded rod is tubular, and it overlaps at the laundry shaft top, and the oil jacket is located the threaded rod top, has the sealing ring on its inner wall to prevent sewage from getting into inside the waterproof tube.

As a preferred embodiment, the drainage mechanism of the washing machine of this embodiment is provided with a connecting column 22 on the surface of the mounting plate, the bottom end of the connecting column is fixedly arranged on the mounting plate, the top end of the connecting column passes through the perforation on the annular outer edge surface, and the locking plate is fixedly arranged on the top end of the connecting column.

Preferably, in the drainage mechanism of the washing machine of this embodiment, the elastic member is a compression spring, the compression spring is sleeved on the connecting column, the top end of the compression spring contacts with the locking plate, and the bottom end of the compression spring contacts with the annular outer edge.

Preferably, in the drainage mechanism of the washing machine of the present embodiment, a return spring 23 is further disposed in the connection pipe below the driving block. The reset spring is sleeved outside the washing shaft, the top end of the reset spring is contacted with the driving block, and the bottom end of the reset spring is contacted with the bottom connecting plate.

The above is only a preferred embodiment of the present invention for assisting a person skilled in the art to implement the corresponding technical solution, and is not intended to limit the scope of the present invention, which is defined by the appended claims. It should be noted that, on the basis of the technical solution of the present invention, several improvements and modifications equivalent thereto can be made by those skilled in the art, and these improvements and modifications should also be regarded as the protection scope of the present invention. Meanwhile, it should be understood that, although the present disclosure describes the above embodiments, not every embodiment contains only one independent technical solution, and the description is merely for clarity, and those skilled in the art should consider the disclosure as a whole, and the technical solutions of the embodiments may be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a drainage mechanism of washing machine, includes the base, and the top of base is equipped with interior bucket (1), and the middle part of interior bucket diapire is equipped with mounting hole (2), and mounting hole department is equipped with mounting panel (3) of being connected with interior bucket diapire, and the below of mounting panel is equipped with laundry shaft (4), and the top of laundry shaft passes the mounting panel and stretches into in the interior bucket, its characterized in that: the middle part of mounting panel is equipped with flange, flange includes bottom connecting plate (5) that link firmly with the mounting panel, bottom set firmly in connecting pipe (6) of bottom connecting plate, but be equipped with drive block (7) of reciprocating in the connecting pipe, be equipped with on the laundry shaft with drive block screw thread complex threaded rod (8), the top of connecting pipe is equipped with drainage control pipe (9), set firmly on the lateral wall of drainage control pipe and be located control ring (10) of drive block top, the top of control ring is equipped with top stopper (11), top stopper cover is on the polished rod at laundry shaft top, the outside of drainage control pipe still overlaps drainage cover (12), the top of drainage cover links firmly with the drainage control pipe, the bottom of drainage cover is equipped with annular outer fringe (13), be equipped with locking plate (14) on the mounting panel, be equipped with between locking plate and the annular outer fringe and compress tightly in mounting panel surface elastic component (15), be equipped with on the mounting panel be located drainage hole (26) of drainage cover inboard, be equipped with on the bottom surface of annular outer fringe with water sealing plug (25) with drainage hole adaptation between drainage control pipe and the top stopper, drainage control pipe and bottom are equipped with flexible sealing plug (16) between the drainage control pipe and the bottom.

2. The drain mechanism of a washing machine as claimed in claim 1, wherein: the middle part of mounting panel is equipped with the locating flange (17) with bottom connecting plate adaptation, and bottom connecting plate cover is on the locating flange.

3. The drain mechanism of a washing machine as claimed in claim 1, wherein: the outer wall of the drainage control pipe is provided with a support flange (18), the top end of the drainage cover is provided with an annular inner edge (19), and the annular inner edge is fixedly connected with the support flange.

4. A drainage mechanism of a washing machine as claimed in claim 3, wherein: waterproof pipe is the bellows, and waterproof pipe between drainage control pipe and the top stopper is waterproof pipe (20) on, waterproof pipe between drainage control pipe and the bottom connecting plate is waterproof pipe (21) down, and the top stopper of going up waterproof pipe link firmly, and the bottom of going up waterproof pipe links firmly in drainage control pipe top, and the top of waterproof pipe is located the support flange below and is connected with drainage control pipe down, and waterproof pipe bottom links firmly with the bottom connecting plate down.

5. The drain mechanism of a washing machine as claimed in claim 1, wherein: an oil jacket (27) is arranged between the top limiter and the washing shaft.

6. The drain mechanism of a washing machine as claimed in claim 1, wherein: the mounting plate surface is equipped with spliced pole (22), and the bottom of spliced pole sets firmly on the mounting plate, and the perforation on annular outer fringe surface is passed on the top of spliced pole, the locking plate sets firmly in the spliced pole top.

7. The drain mechanism of a washing machine as claimed in claim 6, wherein: the elastic piece is a pressure spring, the pressure spring is sleeved on the connecting column, the top end of the pressure spring is in contact with the locking plate, and the bottom end of the pressure spring is in contact with the annular outer edge.

8. The drain mechanism of a washing machine as claimed in claim 1, wherein: and a reset spring (23) positioned below the driving block is also arranged in the connecting pipe. The reset spring is sleeved outside the washing shaft, the top end of the reset spring is contacted with the driving block, and the bottom end of the reset spring is contacted with the bottom connecting plate.