CN219527097U - Washing machine with anti-reverse structure - Google Patents

Abstract

The utility model discloses a washing machine with an anti-reverse structure, which comprises a machine body and a dewatering basket, wherein the dewatering basket can rotate forward or reversely relative to the machine body, the dewatering basket is provided with an anti-reverse part, an anti-reverse arm is arranged on the machine body, when the dewatering basket rotates forward, the anti-reverse arm moves into the anti-reverse part to limit the dewatering basket to rotate forward relative to the machine body, and when the dewatering basket rotates reversely, the anti-reverse arm moves away from the anti-reverse part. According to the utility model, the anti-reverse structure is configured into the anti-reverse part arranged on the dewatering basket and the anti-reverse arm arranged on the machine body, and the anti-reverse part is moved in when the dewatering basket rotates in the forward direction, and the anti-reverse part is moved in the reverse direction when the dewatering basket rotates in the reverse direction, so that even if the anti-reverse arm can prop against the anti-reverse part to limit the rotation of the dewatering basket, the anti-reverse part is moved when the rotation of the dewatering basket is not required to be limited, the noise, deformation or abrasion caused by long-term contact of the anti-reverse arm and the anti-reverse part are avoided, and the service life of the anti-reverse arm is prolonged.

Description

Washing machine with anti-reverse structure

Technical Field

The utility model relates to the field of washing machines, in particular to a washing machine with an anti-reverse structure.

Background

A small-sized washing machine is a washing machine which is of a small size and is used for washing underwear. Patent document 2023203541691 describes a small-sized washing machine, which comprises a machine body, a draining basket, a driving device and an anti-reversing device, wherein the driving device is provided with a driving shaft extending into the draining basket, the draining basket is provided with a pulsator turntable fixedly connected with the driving shaft, when the pulsator turntable rotates positively, the draining basket rotates positively along with the pulsator turntable, when the pulsator turntable rotates reversely, the draining basket is kept fixed under the action of the anti-reversing device, the anti-reversing device comprises anti-reversing teeth arranged on the draining basket and anti-reversing sheets arranged on the machine body, when the pulsator turntable rotates positively, the free ends of the anti-reversing sheets are abutted against the abutting parts of the anti-reversing teeth, and when the pulsator turntable rotates reversely, the free ends of the anti-reversing sheets are abutted against the abutting parts of the anti-reversing teeth. Because the anti-reversion piece is propped against the anti-reversion teeth when the impeller turntable rotates forwards or reversely, noise is generated, and the anti-reversion piece is seriously worn and deformed, the problem of short service life exists.

Disclosure of Invention

The utility model aims to provide a washing machine with an anti-reverse structure, which solves the problems that when a draining basket rotates forwards or reversely, an anti-reverse sheet in an anti-reverse device of a current small-sized washing machine is propped against anti-reverse teeth on the draining basket to generate noise, and the anti-reverse sheet is seriously worn and deformed and has short service life.

The utility model is realized by the following technical scheme:

the washing machine with the anti-reverse structure comprises a machine body and a dewatering basket, wherein the machine body is provided with a washing cavity, the dewatering basket is arranged in the washing cavity and can rotate forward or reversely relative to the machine body, the dewatering basket is provided with an anti-reverse part, and the machine body is provided with an anti-reverse arm; when the dewatering basket rotates forwards, the anti-reverse arm moves into the anti-reverse part, and when the anti-reverse arm moves into the anti-reverse part, the dewatering basket is limited to rotate forwards relative to the machine body; when the dewatering basket rotates reversely, the anti-reverse arm moves away from the anti-reverse part.

Further, the reverse preventing part is provided with a guide surface and a blocking surface, wherein the blocking surface is arranged on one side of the guide surface in the reverse direction and extends outwards in an inclined manner from the blocking surface in the forward direction; when the dewatering basket rotates forwards, the anti-reverse arm is abutted to the resisting surface, and when the dewatering basket rotates backwards, the anti-reverse arm moves away from the anti-reverse part along the guide surface.

Further, the number of the anti-reverse parts is several, the anti-reverse parts are sequentially connected in the circumferential direction of the dewatering basket, and in the two adjacent anti-reverse parts, the guide surface in one anti-reverse part is connected with the blocking surface in the other anti-reverse part.

Further, the anti-reverse arms are a plurality of, and the anti-reverse arms are distributed at intervals in the circumferential direction of the dewatering basket.

Further, a rotating shaft and a stop rod are arranged on the machine body, an upper roller and a lower roller are rotatably connected to the rotating shaft, a spring is sleeved on the rotating shaft and positioned between the upper roller and the lower roller, the upper end and the lower end of the spring are respectively abutted with the upper roller and the lower roller, a free end of the spring extends outwards to form the anti-reverse arm, and the upper roller is abutted with the side wall of the dewatering basket; the dewatering basket drives the upper roller to rotate reversely when rotating forward so that the spring rotates along with the upper roller to enable the anti-reverse arm to move into the anti-reverse part, and drives the upper roller to rotate forward when rotating reversely so that the spring rotates along with the upper roller to enable the anti-reverse arm to move away from the anti-reverse part until the anti-reverse arm is abutted to the stop rod.

Further, a rotating shaft and a stop rod are arranged on the machine body, the rotating shaft is rotationally connected with the machine body, an upper roller and a lower roller are fixedly arranged on the rotating shaft, the upper roller, the lower roller and the rotating shaft can synchronously rotate relative to the machine body, a spring is sleeved on the rotating shaft and positioned between the upper roller and the lower roller, the upper end and the lower end of the spring are respectively abutted with the upper roller and the lower roller, and one free end of the spring extends outwards to form the anti-reverse arm, and the upper roller is abutted against the side wall of the dewatering basket; the dewatering basket drives the upper roller to rotate reversely when rotating forward so that the spring rotates along with the upper roller to enable the anti-reverse arm to move into the anti-reverse part, and drives the upper roller to rotate forward when rotating reversely so that the spring rotates along with the upper roller to enable the anti-reverse arm to move away from the anti-reverse part until the anti-reverse arm is abutted to the stop rod.

Further, the upper roller and the lower roller are both formed by sleeving a bearing with a roller sleeve.

The technical scheme has the advantages that the anti-reverse structure is configured into the anti-reverse part arranged on the dewatering basket and the anti-reverse arm arranged on the machine body, and the anti-reverse arm is moved into the anti-reverse part when the dewatering basket rotates in the forward direction, so that the anti-reverse part is moved when the dewatering basket rotates in the reverse direction, even if the anti-reverse arm can prop against the anti-reverse part to limit the rotation of the dewatering basket, the anti-reverse part is moved when the rotation of the dewatering basket is not required to be limited, the noise, deformation or abrasion caused by long-term contact of the anti-reverse arm and the anti-reverse part are avoided, and the service life of the anti-reverse arm is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.

Fig. 1 is a perspective view of a washing machine with a reverse preventing structure according to an embodiment of the present disclosure;

fig. 2 is a sectional view of a washing machine with a reverse preventing structure according to an embodiment of the present disclosure;

fig. 3 is a perspective view (hidden part of the casing) of the washing machine with the reverse preventing structure according to the embodiment;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a bottom view of FIG. 3;

FIG. 6 is a partial enlarged view at B in FIG. 5;

fig. 7 is a cross-sectional view of fig. 3.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1 to 7, the washing machine with the reverse preventing structure comprises a machine body 1 and a dewatering basket 2, wherein the machine body 1 is provided with a washing cavity 101, the dewatering basket 2 is arranged in the washing cavity 101 and can rotate forward or backward relative to the machine body 1, the dewatering basket 2 is provided with a reverse preventing part 201, the machine body 1 is provided with a reverse preventing arm 4, when the dewatering basket 2 rotates forward, the reverse preventing arm 4 moves into the reverse preventing part 201 to limit the forward rotation of the dewatering basket 2 relative to the machine body 1, and when the dewatering basket 2 rotates backward, the reverse preventing arm 4 moves away from the reverse preventing part 201.

When the clothes washing machine is used, under the drive of the driving mechanism, the pulsator in the dewatering basket 2 and the dewatering basket 2 are both rotated positively, at the moment, the reverse-preventing arm 4 moves into the reverse-preventing part 201 to limit the dewatering basket 2 to rotate positively relative to the machine body 1, and the pulsator in the dewatering basket 2 is still driven by the driving mechanism to continue to rotate, so that the aim of rolling clothes and washing clothes can be achieved. The dewatering basket 2 is driven by the driving mechanism to reversely rotate, the anti-reverse arm 4 moves away from the anti-reverse part 201, and the dewatering basket 2 can continuously reversely rotate, so that the purpose of water throwing is realized.

The present embodiment provides a washing machine with an anti-reverse structure, so as to solve the problem that when the draining basket rotates forward or reversely, anti-reverse teeth of the anti-reverse plate are propped against the anti-reverse teeth on the draining basket, so that the anti-reverse plate is severely worn and deformed, and the service life is short, mainly by configuring the anti-reverse structure into an anti-reverse part 201 arranged on the draining basket 2 and an anti-reverse arm 4 arranged on the machine body 1, the anti-reverse arm 4 is driven by the draining basket 2 to move into the anti-reverse part 201 when the draining basket 2 rotates forward, and the draining basket 2 is driven by the draining basket 2 to move away from the anti-reverse part 201 when the draining basket 2 rotates reversely, so that even if the anti-reverse arm 4 can prop against the anti-reverse part 20, the anti-reverse arm 4 can move out of the anti-reverse part 201 when the draining basket 2 does not need to be limited to rotate, the anti-reverse arm 4 is prevented from contacting the anti-reverse part 201 for a long time, so that the deformation wear is avoided, and the service life of the anti-reverse arm 4 is prolonged.

In the embodiment of the utility model, the reverse preventing part 201 is provided with a guiding surface 202 and a blocking surface 203, the guiding surface 202 is provided with the blocking surface 203 at one side in the reverse direction, and extends outwards in an inclined manner from the blocking surface 203, when the dewatering basket 2 rotates forwards, the reverse preventing arm 4 is driven to abut against the blocking surface 203 to limit the dewatering basket 2 to rotate forwards, and when the dewatering basket 2 rotates backwards, the reverse preventing arm 4 is driven to move away from the reverse preventing part 201 along the guiding surface 202. Since the reverse preventing part 201 has the guide surface 202 and the blocking surface 203, the guide surface 202 extends obliquely outwards in the forward direction, and the blocking surface 203 is arranged on one side of the reverse direction, the reverse preventing arm 4 can resist the reverse preventing part 201 to limit the rotation of the dewatering basket 2 when the dewatering basket 2 rotates forwards, and can move away from the reverse preventing part 201 when the dewatering basket 2 rotates backwards, and the structure is compact and reasonable, and the implementation is convenient.

In the embodiment of the utility model, a plurality of anti-reverse parts 201 are provided, the anti-reverse parts 201 are sequentially connected in the circumferential direction of the dewatering basket 2, and in two adjacent anti-reverse parts 201, a guide surface 202 in one anti-reverse part 201 is connected with a blocking surface 203 in the other anti-reverse part 201. Because the number of the anti-reverse parts 201 is several, the anti-reverse parts 201 are sequentially connected in the circumferential direction of the dewatering basket 2, so that the anti-reverse arms 4 can be matched with the anti-reverse parts 201 at any position of the dewatering basket 2 to limit the forward rotation of the dewatering basket 2, and the dewatering basket is flexible and convenient to use.

In the embodiment of the utility model, a plurality of the anti-reverse arms 4 are provided, and the anti-reverse arms 4 are distributed at intervals in the circumferential direction of the dewatering basket 2. Because the number of the anti-reverse arms 4 is several, the anti-reverse arms 4 are distributed at intervals in the circumferential direction of the dewatering basket 2, so that the anti-reverse arms 4 are matched with the corresponding anti-reverse parts 201 to limit the forward rotation of the dewatering basket 2, and the effect of limiting the forward rotation of the dewatering basket 2 is good.

In the embodiment of the utility model, a rotating shaft 5 and a stop rod 6 are fixedly connected to a machine body 1, an upper roller 7 and a lower roller 8 are rotatably connected to the rotating shaft 5, a spring 9 is sleeved on the rotating shaft 5 and positioned between the upper roller 7 and the lower roller 8, the upper end and the lower end of the spring 9 are respectively abutted with the upper roller 7 and the lower roller 8, a free end of the spring 9 extends outwards to form the anti-reversion arm 4, the upper roller 7 is abutted with the side wall of the dewatering basket 2, the upper roller 7 is driven to reversely rotate when the dewatering basket 2 positively rotates so that the spring 7 is driven to reversely rotate to enable the anti-reversion arm 4 to move into the anti-reversion part 201, and the upper roller 7 is driven to positively rotate when the dewatering basket 2 reversely rotates so that the spring 9 is driven to reversely rotate so as to enable the anti-reversion arm 4 to move away from the anti-reversion part 201 until being abutted on the stop rod 6.

Besides the above-mentioned manner, the arrangement of the rotating shaft 5, the upper roller 7 and the lower roller 8 may be configured such that the rotating shaft 5 is rotationally connected with the machine body 1, the upper roller 7 and the lower roller 8 are fixedly connected on the rotating shaft 5, the upper roller 7 and the lower roller 8 can synchronously rotate relative to the machine body 1, the upper roller 7 and the lower roller 8 are formed by sleeving bearings with wheel sleeves, the upper roller 7 abuts against the side wall of the dewatering basket 2, the dewatering basket 2 drives the upper roller 7 to reversely rotate when rotating forward, the spring 7 is driven to reversely rotate, so that the reverse-preventing arm 4 moves into the reverse-preventing portion 201, and the upper roller 7 is driven to positively rotate when rotating backward, so that the spring 9 is driven to reversely rotate, so that the reverse-preventing arm 4 moves away from the reverse-preventing portion 201 until abutting against the stop rod 6.

It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model. Furthermore, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The foregoing description of one or more embodiments provided in connection with the specific disclosure is not intended to limit the practice of the utility model to such description. Any approximation, or substitution of the technical deduction or substitution made for the technical deduction of the present utility model based on the inventive method, structure, etc. shall be considered as protection of the present utility model.

Claims (7)

1. The washing machine with the anti-reverse structure comprises a machine body and a dewatering basket, wherein the machine body is provided with a washing cavity, and the dewatering basket is arranged in the washing cavity and can rotate forward or reversely relative to the machine body;

when the dewatering basket rotates forwards, the anti-reverse arm moves into the anti-reverse part, and when the anti-reverse arm moves into the anti-reverse part, the dewatering basket is limited to rotate forwards relative to the machine body; when the dewatering basket rotates reversely, the anti-reverse arm moves away from the anti-reverse part.

2. The washing machine with the reverse preventing structure according to claim 1, wherein the reverse preventing portion has a guide surface and a blocking surface, the guide surface being provided with the blocking surface on one side thereof in a reverse direction and extending obliquely outward in a forward direction from the blocking surface;

when the dewatering basket rotates forwards, the anti-reverse arm is abutted to the resisting surface, and when the dewatering basket rotates backwards, the anti-reverse arm moves away from the anti-reverse part along the guide surface.

3. The washing machine with the reverse preventing structure according to claim 2, wherein the reverse preventing parts are sequentially connected in the circumferential direction of the dewatering basket, and among the two adjacent reverse preventing parts, the guide surface in one reverse preventing part is connected with the blocking surface in the other reverse preventing part.

4. A washing machine with a reverse preventing structure according to claim 3, wherein the reverse preventing arms are provided in plurality, and the reverse preventing arms are spaced apart in the circumferential direction of the spin basket.

5. The washing machine with the reverse preventing structure according to any one of claims 1 to 4, wherein a rotating shaft and a stopping rod are arranged on the machine body, an upper roller and a lower roller are rotatably connected on the rotating shaft, a spring is sleeved on the rotating shaft and positioned between the upper roller and the lower roller, the upper end and the lower end of the spring are respectively abutted with the upper roller and the lower roller, a free end of the spring extends outwards to form the reverse preventing arm, and the upper roller is abutted against the side wall of the dewatering basket;

the dewatering basket drives the upper roller to rotate reversely when rotating forward so that the spring rotates along with the upper roller to enable the anti-reverse arm to move into the anti-reverse part, and drives the upper roller to rotate forward when rotating reversely so that the spring rotates along with the upper roller to enable the anti-reverse arm to move away from the anti-reverse part until the anti-reverse arm is abutted to the stop rod.

6. The washing machine with the anti-reverse structure according to any one of claims 1 to 4, wherein a rotating shaft and a stop rod are arranged on the machine body, the rotating shaft is rotatably connected with the machine body, an upper roller and a lower roller are fixedly arranged on the rotating shaft, the upper roller, the lower roller and the rotating shaft can synchronously rotate relative to the machine body, a spring is sleeved on the rotating shaft and is positioned between the upper roller and the lower roller, the upper end and the lower end of the spring are respectively abutted with the upper roller and the lower roller, a free end of the spring extends outwards to form the anti-reverse arm, and the upper roller is abutted against the side wall of the dewatering basket;

the dewatering basket drives the upper roller to rotate reversely when rotating forward so that the spring rotates along with the upper roller to enable the anti-reverse arm to move into the anti-reverse part, and drives the upper roller to rotate forward when rotating reversely so that the spring rotates along with the upper roller to enable the anti-reverse arm to move away from the anti-reverse part until the anti-reverse arm is abutted to the stop rod.

7. The washing machine with the reverse preventing structure according to claim 6, wherein the upper roller and the lower roller are each formed by a bearing housing.