CN210886641U

CN210886641U - Washing machine

Info

Publication number: CN210886641U
Application number: CN201921114216.5U
Authority: CN
Inventors: 张娟娟; 程宝珍; 孙广彬; 王玲臣
Original assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-30
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a washing machine, washing machine includes: the driving motor is connected with the output shaft; the impeller assembly is detachably connected with the output shaft; the impeller assembly is provided with a locking structure for realizing the clamping of the clamping piece and the clamping groove and a releasing structure for releasing the clamping between the clamping piece and the clamping groove. The clamping of the clamping piece and the clamping groove is realized by arranging the locking structure, and the axial fixation of the impeller assembly is realized, so that the impeller assembly is simple and convenient to install; when the impeller assembly needs to be disassembled, the locking structure is unlocked to the clamping piece and the clamping groove through the operation releasing structure, and then the impeller assembly is pulled upwards, so that the impeller assembly is separated from the output shaft, and the disassembling operation is simple. The impeller assembly can be mounted or dismounted, and the operation is labor-saving and convenient.

Description

Washing machine

Technical Field

The utility model belongs to the technical field of washing machine, concretely relates to washing machine.

Background

After the existing washing machine is used for a certain time, dirt and bacteria are usually left at invisible positions on the lower surface of the impeller, the inner barrel and the outer barrel wall, and the washing machine is not easy to clean. The long-term washing is not clear, and the diseases such as cross infection, skin diseases and the like can be caused. At present, the most reliable method for cleaning the above parts is to disassemble and clean the parts. However, the impeller of the existing washing machine is fixedly connected with the output shaft of the driving part through bolts, so that the impeller is troublesome to disassemble and assemble and is not beneficial to cleaning the impeller; and the screw soaked in water for a long time is combined and bonded with the wave wheel plastic part, so that the disassembly and the assembly of the wave wheel are time-consuming, and the problem that the wave wheel can not be disassembled often occurs. Also, some of the pulsator of the washing machine are detachably connected to the output shaft, but the detachable structure is too complex, and the problem of inconvenient detachment still exists.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model discloses to foretell problem among the prior art, provide a washing machine, realize the axial fixity of impeller subassembly for the installation of impeller subassembly is simple and convenient.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a washing machine comprising:

the driving motor is used for providing power for washing clothes by the washing machine and is connected with the output shaft;

the impeller assembly is detachably connected with the output shaft;

the impeller assembly is provided with a locking structure for realizing the clamping of the clamping piece and the clamping groove and a releasing structure for releasing the clamping between the clamping piece and the clamping groove.

Further, the locking structure comprises a limiting piece for limiting the axial movement of the clamping piece, and an elastic piece for realizing the resetting of the limiting piece, wherein the limiting piece can realize the axial movement under the pushing of the releasing structure.

Furthermore, the release structure comprises two opposite key blocks, the inner end faces of the key blocks are force transmission end faces which are obliquely arranged, the limiting piece is provided with two force bearing side walls which are oppositely arranged at the left and right and matched with the force transmission end faces, and the inclination angles of the force bearing side walls and the force transmission end faces are the same.

Further, the restriction member has a first through hole for passing the output shaft therethrough, and a housing portion for housing the chucking member, the housing portion having a first opening for the chucking member to project outwardly and a second opening for the chucking member to project inwardly into the first through hole.

Further, the diameter of the first opening is larger than the diameter of the clamping piece.

Further, the diameter of the second opening is smaller than the diameter of the clamping piece.

Furthermore, the first opening is formed in the front side wall and the rear side wall of the limiting part, and the front side wall and the rear side wall are arranged adjacent to the force bearing side wall.

Furthermore, the locking structure further comprises a positioning part for limiting the radial movement of the clamping piece, the positioning part is provided with two inclined positioning surfaces which are oppositely arranged and are far away from each other in the upward direction, and when the clamping piece is clamped with the clamping groove, the clamping piece is pressed on the inclined positioning surfaces.

Furthermore, the setting element includes the location bottom, sets up both sides and two location lateral parts that upwards extend around the location bottom, the medial surface of location lateral part is the slope locating surface.

Further, the release structure includes two guide grooves at left and right sides of the positioning bottom, and a key block provided at the guide grooves to be radially movable.

Further, the key block has a downwardly extending projection that is radially movably located within the guide groove.

Furthermore, the positioning bottom is higher than the bottom of the guide groove, and the bottom of the guide groove is provided with a raised limiting strip used for limiting the raised part.

Furthermore, the guide groove is provided with a guide groove bottom which is horizontally arranged, and two groove edges which are parallel to the moving direction of the key block are arranged on two sides of the guide groove bottom.

Furthermore, the guide groove and the positioning piece are arranged on the circular base, and the base, the guide groove and the positioning piece are of an integrated structure.

Furthermore, the locking structure also comprises an outer cover, the outer cover elastic part is positioned between the outer cover and the limiting part, and an extending opening for extending the key block is formed in the outer cover.

Furthermore, a containing edge extending downwards is arranged on the outer cover, a limiting cylinder extending upwards is arranged on the limiting piece, and the limiting cylinder can axially move and is positioned in the containing edge.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the clamping of the clamping piece and the clamping groove is realized by arranging the locking structure, and the axial fixation of the impeller assembly is realized, so that the impeller assembly is simple and convenient to install; when the impeller assembly needs to be disassembled, the locking structure is unlocked to the clamping piece and the clamping groove through the operation releasing structure, and then the impeller assembly is pulled upwards, so that the impeller assembly is separated from the output shaft, and the disassembling operation is simple. Realize the installation or the dismantlement to the impeller subassembly through setting up locking structure and structure of removing, the labour saving and convenient operation.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a washing machine according to the present invention;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of the structure of FIG. 2;

FIG. 4 is an enlarged schematic view of a portion of the structure of FIG. 3;

FIG. 5 is a schematic sectional view taken along line B-B in FIG. 1;

FIG. 6 is an enlarged schematic view of a portion of the structure of FIG. 5;

FIG. 7 is an enlarged schematic view of a portion of the structure of FIG. 6;

FIG. 8 is an enlarged view of the restriction member of FIG. 7;

FIG. 9 is an enlarged view of the outer cover of FIG. 7;

FIG. 10 is a schematic view of the exploded structure of FIG. 7 with the addition of an output shaft;

FIG. 11 is an enlarged view of the base of FIG. 10;

fig. 12 is an enlarged structural view of the limiting member of fig. 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate directions or positional relationships based on the positional relationships shown in the drawings, and the direction close to the axis of the inner tube is "inner", whereas "outer" is used. The terminology is for the purpose of describing the invention only and is not intended to be limiting of the invention since it is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 12, which are one embodiment of the washing machine of the present invention, the washing machine includes an output shaft 20 connected to a driving motor, and a pulsator assembly 100 detachably connected to the output shaft 20, wherein the pulsator assembly 100 may be integrally engaged with or disengaged from the output shaft 20; the driving motor provides power for washing clothes of the washing machine, the driving motor is connected with the output shaft 20, the impeller assembly 100 is detachably connected with the output shaft 20, the clamping piece 50 on the impeller assembly 100 and the clamping groove 21 on the output shaft 20 are clamped after the impeller assembly 10 is installed, and the clamping piece 50 and the clamping groove 21 are clamped. The pulsator assembly 100 is provided with a locking structure 30 for engaging the chucking member 50 with the engaging groove 21, and a releasing structure 40 for releasing the engagement between the chucking member 50 and the engaging groove 21. Through the arrangement of the locking structure 30, the clamping of the clamping piece 50 and the clamping groove 21 is locked, the clamping state of the clamping piece 50 and the clamping groove 21 is ensured, the axial fixation of the impeller assembly 100 is realized, and the installation of the impeller assembly 100 is simple and convenient; when the pulsator assembly needs to be disassembled, the locking state of the locking structure 30 for the clamping of the clamping piece 50 and the clamping groove 21 is released by operating the releasing structure 40, and then the pulsator assembly 100 is pulled upwards, so that the pulsator assembly 100 is separated from the output shaft 20, and the disassembling operation is simple. The installation or the disassembly of the impeller assembly 100 is realized by arranging the locking structure 30 and the releasing structure 40, and the operation is labor-saving and convenient. The pulsator assembly 100 includes a pulsator 10, a locking structure 30 and a releasing structure 40 disposed at the center of the pulsator 10, and a chucking member 50 is located in the locking structure 30.

After the pulsator assembly 100 is engaged and fixed with the output shaft 20, the retainer 50 is in a fixed state relative to the output shaft 20, axial and radial movements of the retainer 50 are both limited by the locking structure 30, and the retainer 50 is engaged in the engaging groove 21, so that the pulsator assembly 100 is prevented from being disengaged in the axial direction relative to the output shaft 20. Of course, after the pulsator assembly 10 is engaged and fixed with the output shaft 20, the output shaft 20 may drive the pulsator assembly 100 to rotate.

Referring to fig. 6, the locking structure 30 includes a positioning member 33, a limiting member 31, an elastic member 32 and an outer cover 34, which are sequentially disposed from bottom to top, wherein the limiting member 31 is used for accommodating the clamping member 50, the limiting member 31 can move axially under the pushing of the releasing structure 40, and the limiting member 31 drives the clamping member 50 to move axially together; the elastic member 32 is used for realizing the resetting of the limiting member 31; the elastic member 32 gives a downward elastic force to the limiting member 31, and presses the limiting member 31 against the positioning member 33, thereby achieving the limitation of the limiting member 31 in the axial direction. The elastic member 32 is located between the defining member 31 and the outer cover 34.

Referring to fig. 3, the releasing structure 40 includes two oppositely disposed key blocks 41 and two guide grooves 42 for limiting the pressing movement of the key blocks 41, the key blocks 41 are moved radially along the guide grooves 42, and the pressing of the key blocks 41 moves radially inward to push the limiting members 31 to move upward, so that the fastening member 50 can be disengaged from the fastening position with the fastening groove 21; when the pulsator assembly 100 is pulled upward, the retainer 50 is separated from the engaging groove 21, and the pulsator assembly is completely disassembled.

Referring to fig. 10 and 12, in order to realize the pushing of the key block 41 to the limiting member 31, the inner end surface of the key block 41 is a force-transmitting end surface 411 arranged obliquely, the limiting member 31 has force-bearing side walls 311 arranged oppositely left and right, the force-bearing side walls 311 are matched with the force-transmitting end surface 411, and the force-bearing side walls 311 are in contact with the force-transmitting end surface 411. The key blocks 41 are pressed inwards along the radial direction, so that the radial pressure is transmitted to the bearing side walls 311 through the force transmission end surface 411, the limiting piece 31 is subjected to radial pressure and axial pushing force, the two key blocks 41 are favorably arranged oppositely, the radial pressure on the left bearing side wall 311 and the radial pressure on the right bearing side wall 311 of the limiting piece 31 are favorably counteracted, and the influence of the radial pressure on the output shaft 20 is avoided; and the radially symmetrical arrangement also facilitates the operator applying pressure to the key block 41. The inclination angle of the bearing side wall 311 is the same as that of the force transmission end face 411, and the bearing side wall 311 is a plane inclined upwards and outwards; the inner end face of the key block 41 is a force transmission end face 411 which is obliquely arranged, and the left and right outer end faces of the limiting piece 31 are force bearing side walls 311, so that the contact area between the key block 41 and the limiting piece 31 is increased, and the stability of pressure transmission is increased. The force bearing side wall 311 and the force transmission end face 411 are both inclined planes, on one hand, the limiting piece 31 is axially moved under the pushing of the radial movement of the key block 41, on the other hand, the two force bearing side walls which are beneficial to increase are arranged in an inclined mode, the contact area between the key block 41 and the limiting piece 31 is also beneficial to the stability when the key block 41 pushes the limiting piece 31 to relatively move, and the stability of the force bearing direction is ensured.

Referring to fig. 11, the positioning member 33 is used for radially positioning the retainer 50, and the positioning member 33 has a positioning bottom 331, two positioning side portions 332 disposed at the front and rear sides of the positioning bottom 331 and extending upward, and the left and right sides of the positioning member 33 are open ends for the force-transmitting end surface 411 of the key block 41 to extend into contact with the force-bearing side wall 311 of the limiting member 3. The inner side surface of the positioning side part 332 is an inclined positioning surface 333, the two inclined positioning surfaces 333 are far away from each other in the upward direction, and the inclined positioning surface 333 is a plane; when the retainer 50 is engaged with the card slot 21, the retainer 50 is pressed against the inclined positioning surface 333. When the pulsator assembly 100 is disassembled, the key block 41 is pressed to move inwards in the radial direction, the limiting piece 31 is pushed to drive the clamping piece 50 to move upwards, so that the distance between the clamping piece 50 and the inclined positioning surface 333 in the radial direction is increased, and the clamping piece 50 has a space for moving outwards; then, the pulsator assembly 100 is lifted upwards, the chucking member 50 moves upwards at any time, and when the chucking member 50 reaches the upper end of the catch groove 21, due to the inclined arrangement of the inclined positioning surface 333, after the chucking member 50 moves upwards, the inclined positioning surface 333 no longer blocks the chucking member 50, so that the chucking member 50 can move outwards, and is separated from the catch groove 21, and the engagement lock between the pulsator assembly 100 and the output shaft 20 is released.

Referring to fig. 7, 8 and 12, the limiting member 31 has a first through hole 315 for passing the output shaft 20 therethrough, and a receiving portion 312 for receiving the fastening member 50, the first through hole 315 passes through the receiving portion, the receiving portion 312 has a first opening 313 for extending the fastening member 50 outward and a second opening 314 for extending the fastening member 50 inward into the first through hole 315, that is, the receiving portion 312 has a first opening 313 connected and communicated with the outside and a second opening 314 communicated with the first through hole 315, the fastening member 50 extends outward through the first opening 313 and can be contacted with the inclined positioning surface 333, and the fastening member 50 extends into the first through hole 315 through the second opening 314 and can be engaged with the engaging groove 21 on the output shaft 20. The output shaft 50 passes through the first through hole 315, and after the retainer 50 is engaged with the engaging groove 21, the inner side of the retainer 50 contacts the bottom of the engaging groove 21. When the limiting piece 31 moves up and down, the clamping piece 50 can be driven to move synchronously, and the clamping piece 50 can move radially, so that the clamping piece 50 is clamped with and separated from the clamping groove 21.

The number of the receiving portions 312 on the limiting member 31 is the same as that of the clamping members 50, and in this embodiment, two clamping members 50 are preferably provided to be respectively in contact with the two inclined positioning surfaces 333, so that two receiving portions 312 are provided on the limiting member 31. For easy mounting of the clamping member 50, it is preferable that the diameter of the first opening 313 is larger than the diameter of the clamping member 50 so that the clamping member 50 can be mounted from the outside of the delimiting member 31; and the diameter of the second opening 314 is smaller than that of the clamping member 50, so that the clamping member 50 is prevented from leaving the accommodating part 312 and reaching the first through hole 315 after the pulsator assembly 100 is disassembled, namely, after the output shaft 20 and the output shaft 20 are separated, and the clamping member 50 blocks the output shaft 20 from passing through the first through hole 315 when the pulsator assembly 100 is installed, or the clamping member 50 does not return to the accommodating part 312, so that the clamping member 50 cannot be clamped with the clamping groove 21, and the locking structure 30 fails.

The limiting member 31 is a four-sided frustum structure having six outer surfaces, including a limiting top 316, a limiting bottom and four side walls between the limiting top 316 and the limiting bottom, the four side walls being two bearing side walls 311 oppositely arranged in the left-right direction and front and rear side walls 318 provided with the first openings 312. The limiting top 316 is provided with a limiting cylinder 317 extending upwards, and the output shaft 20 penetrates through the limiting cylinder 317; the front and rear side walls 318 of the limiting member 31 are inclined planes, and the included angle between the front and rear side walls 318 and the horizontal plane is larger than the included angle between the inclined positioning surface 333 and the horizontal plane, so that the limiting member 31 can move up and down in the positioning member 33. Preferably, the dimension of the bottom defining surface is less than or equal to the minimum distance between the two inclined positioning surfaces 333, so as to avoid the contact between the defining member 31 and the inclined positioning surfaces 333.

The outer cover 34 is a cavity with an open lower end, and the locking structure 30 and the releasing structure 40 are buckled in the cavity. A protrusion 341 is formed on the outer cover 34, and the protrusion 341 corresponds to the button block 41 so that pressure can be applied to the button block 41.

Referring to fig. 7 and 9, in order to facilitate the installation and stabilization of the elastic element 32, a downward extending accommodating edge 342 is provided on the outer cover 34, an upward extending limiting cylinder 317 is provided on the limiting element 31, the accommodating edge 342 is sleeved on the outer side of the limiting cylinder 317, the elastic element 32 is located in the accommodating edge 342, and the lower end of the elastic element 32 is located at the top of the limiting cylinder 317; when the pulsator assembly 100 is disassembled, the limiting cylinder 317 is axially moved within the accommodating shaft 342. When the limiting piece 31 is pushed to move upwards by pressing the key block 41, the stability of the movement of the limiting piece 31 is facilitated, and the axial movement of the elastic piece 32 is facilitated to be ensured. In the clamping state of the clamping member 50 and the clamping groove 20, the elastic member 32 gives the limiting member 31 a downward elastic force, so that the limiting member 3 transmits the downward elastic force to the clamping member 50, the clamping member 50 is pressed against the inclined positioning surface 333, or the inclined positioning surface 333 gives an inward pressure to the clamping member 50, so that the clamping member 50 is clamped with the clamping groove 21, the clamping member 50 is positioned in the radial direction, and the clamping and fixing of the pulsator assembly 100 are realized.

The key block 41 has a protrusion 411 extending downward, and the protrusion 411 is radially movably located in the guide grooves 42, and the two guide grooves 42 are respectively located at the left and right sides of the positioning member 33. The positioning bottom 331 is higher than the bottom 421 of the guide groove 42, when the key block 41 is pressed inward, when the protrusion 411 contacts the positioning bottom 331, the inward movement of the key block 41 is brought into position and cannot continue to move inward; a convex limiting strip 423 is arranged on the guide groove bottom 421, the limiting strip 423 is used for limiting the outward movement of the convex part 411, when the outer side of the convex part 411 contacts the limiting strip 423, the outward movement of the key block 41 is in place and cannot continue to move outward; that is, the convex portion 411 may move between the restricting piece 423 and the positioning bottom 331.

Referring to fig. 11, the guide groove 42 has a guide groove bottom 421 horizontally disposed, and two groove edges 422 disposed parallel to the moving direction of the key block are disposed on two sides of the guide groove bottom 421 to guide the movement of the key block 41. The guide groove 42 and the positioning member 33 are both arranged on the circular base 60, preferably, the base 60, the guide groove 42 and the positioning member 33 are integrated, and the guide groove bottom 421 of the guide groove 42 is flush with the upper end surface of the base 60.

As for the structural arrangement of the clamping member 50, various structural forms, such as a spherical shape, an oval shape, and an irregular shape, can be adopted; the clamping piece 50 is preferably arranged to be a round ball, so that the clamping piece 50 does not need to be positioned when being installed, and the clamping piece is smooth in movement due to movement, clamping and separation from the clamping groove; the inclined positioning surface 333 is an inclined plane to facilitate the relative movement of the retainer 50 after contacting the inclined positioning surface 333.

In the assembled state of the pulsator assembly 100, the chucking member 50 is positioned in the accommodating portion 312 of the defining member 31, and the chucking member 50 radially inwardly contacts the groove bottom of the chucking groove 21, outwardly contacts the inclined positioning surface 333, by providing the inclined positioning surface 333 as a plane obliquely upwardly and outwardly disposed, or the inclined positioning surface 333 gradually extends obliquely outwardly in the direction in which the defining member 31 moves when the pulsator assembly 10 is disassembled. After the pulsator assembly 10 is mounted and fixed, a distance between the inclined positioning surfaces 333 and the groove bottoms of the chucking grooves 21 gradually increases in an upward direction, that is, a radial distance gradually increases in the upward direction. When the pulsator assembly 10 is disassembled, the button block 41 is pressed, so that the chucking member 50 and the restriction member 31 are moved upward, so that the chucking member 50 has a space to be moved outward in a radial direction; then, the pulsator assembly 10 is lifted upwards, the clamping member 50 moves upwards at any time, when the clamping member reaches the upper end of the clamping groove 21, due to the inclined arrangement of the inclined positioning surface 333, after the clamping member 50 moves upwards, the inclined positioning surface 333 does not block the clamping member 50, so that the clamping member 50 moves outwards and is separated from the clamping groove 21, and the clamping locking between the pulsator assembly 10 and the output shaft 20 is released.

Referring to fig. 1 to 12, the method for disassembling the pulsator assembly for a washing machine as described above comprises the steps of,

s10, the releasing structure 40 is pressed to release the clamping between the clamping grooves 21 of the clamping piece 50.

Specifically, the key block 41 is pressed inwards, so that the key block 41 moves inwards along the guide groove 42, the force transmission end surface 411 transmits force to the force bearing side wall 311, the limiting piece 31 is pushed to move upwards, and the elastic piece 32 is compressed; the delimiting member 31 is moved upwards so that the jamming member 50 is disengaged from the inclined positioning surfaces 333, and the inclined positioning surfaces 333 can no longer give inward pressure to the jamming member 50; and with the inward movement of the key block 41, the upward movement of the delimiting member 31 causes the distance between the gripping member 50 and the inclined positioning surface 333 to increase, so that the gripping member 50 has a radial movement space; the restricting member 31 moves upward so that the retainer 50 is disengaged from the card slot 21, releasing the engagement of the retainer 50 with the card slot 21.

S20, the impeller assembly is pulled upwards to enable the impeller assembly 100 to be separated from the output shaft 20;

specifically, the pulsator assembly 100 is pulled upward, so that the output shaft 20 moves downward relative to the pulsator assembly 100, and the chucking member 50 is disengaged from the chucking groove 21.

S30, the pressing of the release structure 40 is released, and the pulsator assembly 100 is completely disassembled.

Specifically, the pressing of the key block 41 is released, the locking structure 30 and the releasing structure 40 move downwards under the elasticity of the elastic member 32 to return, the elastic member 32 pushes the limiting member 31 to move downwards, the limiting member 31 pushes the key block 41 to move outwards, when the key block 41 moves outwards to a certain position, namely, when the outer side of the convex part 411 contacts the limiting strip 423, the key block 41 moves outwards to a certain position, and at this time, the limiting member 31 moves downwards to a certain position.

Referring to fig. 1 to 12, the method for mounting the pulsator assembly 100 for a washing machine includes the steps of:

s100, pressing the releasing structure to push the locking structure to move, so that the clamping piece is far away from the clamping position.

Specifically, the key block 41 is pressed inwards, so that the key block 41 moves inwards along the guide groove 42, the force transmission end surface 411 transmits force to the force bearing side wall 311, the limiting piece 31 is pushed to move upwards, and the elastic piece 32 is further compressed; the restricting member 31 is moved upward so that the distance between the chucking member 50 and the inclined positioning surfaces 333 is increased so that the chucking member 50 is positioned higher than the engagement position at this time.

And S200, mounting the impeller assembly 100 on the output shaft 20 from top to bottom.

Specifically, the output shaft 20 moves upward relative to the pulsator assembly 100, and the output shaft 20 passes upward through the base 60 and the positioning member 33 and then extends into the restriction member 31, thereby pushing the chucking member 50 to move outward, so that the output shaft 20 passes through the first through hole 315.

S300, the pressing of the release structure 40 is released, and the retainer 50 is engaged with the card slot 21.

Specifically, in addition to the pressing of the key block 41, the locking structure 30 and the releasing structure 40 move downwards to be reset under the elasticity of the elastic member 32, the elastic member 32 pushes the limiting member 31 to move downwards, the clamping member 50 moves along with the downward limiting member 31, the limiting member 31 pushes the key block 41 to move outwards, when the key block 41 moves outwards to a certain position, namely, the outer side of the protrusion 411 contacts the limiting strip 423, the key block 41 moves outwards to a certain position, the limiting member 31 moves downwards to a certain position, the clamping member 50 is pressed by the inclined positioning surface 333, the clamping member 50 radially contacts the groove bottom of the clamping groove 21 on the inner side, the outer side contacts the inclined positioning surface 333, and the clamping member 50 is clamped with the clamping groove 21.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A washing machine, characterized by comprising:

the impeller assembly is detachably connected with the output shaft;

2. A washing machine as claimed in claim 1 wherein the locking arrangement includes a restricting member for restricting axial movement of the clamping member, a resilient member for effecting return of the restricting member, the restricting member being axially movable under urging of the release arrangement.

3. The washing machine as claimed in claim 2, wherein the release structure comprises two key blocks arranged oppositely, the inner end faces of the key blocks are force transmission end faces arranged obliquely, the limiting member is provided with two force bearing side walls arranged oppositely left and right and matched with the force transmission end faces, and the angle of inclination of the force bearing side walls is the same as that of the force transmission end faces.

4. A washing machine as claimed in claim 2 wherein the restriction member has a first through hole for the output shaft to pass through, and a receptacle for the clamp, the receptacle having a first opening for the clamp to project outwardly and a second opening for the clamp to project inwardly into the first through hole.

5. A washing machine as claimed in claim 2 wherein the locking arrangement further comprises a locating member which limits radial movement of the clamping member, the locating member having two oppositely disposed inclined locating surfaces which are spaced apart in an upward direction, the clamping member being pressed against the inclined locating surfaces when the clamping member is engaged with the slot.

6. The washing machine as claimed in claim 5, wherein the positioning member includes a positioning bottom, two positioning side portions provided at front and rear sides of the positioning bottom and extending upward, and an inner side surface of the positioning side portion is the inclined positioning surface.

7. A washing machine as claimed in claim 2 wherein the locking arrangement further comprises an outer cover, the outer cover spring being located between the outer cover and a limiting member, a downwardly extending receiving rim being provided on the outer cover, and an upwardly extending limiting barrel being provided on the limiting member, the limiting barrel being axially movable within the receiving rim.

8. A washing machine as claimed in claim 6 wherein the release formations comprise two guide slots and a radially movable key block provided at the guide slots.

9. The washing machine as claimed in claim 8, wherein the button block has a protrusion extending downward, the protrusion is radially movably located in the guide groove, the positioning bottom is higher than the bottom of the guide groove, and a stopper protruding from the bottom of the guide groove and limiting the movement of the protrusion is provided.

10. The washing machine as claimed in claim 7, wherein the locking structure further comprises an outer cover, the outer cover elastic member is positioned between the outer cover and the limiting member, and an extension opening for extending the button block is opened on the outer cover.