CN107988754B

CN107988754B - Washing machine

Info

Publication number: CN107988754B
Application number: CN201711472355.0A
Authority: CN
Inventors: 席磊; 周丑国; 解小威; 李春
Original assignee: TCL Home Appliances Hefei Co Ltd
Current assignee: TCL Home Appliances Hefei Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2020-07-14
Anticipated expiration: 2037-12-28
Also published as: CN107988754A

Abstract

The invention discloses a washing machine, which comprises a clutch, a wave wheel and a locking device, wherein the clutch is provided with a rotating shaft for driving the wave wheel to rotate; locking device includes retaining member and driving piece, the retaining member have with the locking position of ring slot joint and with the unlocking position of ring slot separation, when the driving piece was pressed the drive, the drive the retaining member is in the unlocking position, cancel exert in during the power of driving piece, the driving piece drive the retaining member is in the locking position. The technical scheme of the invention can facilitate the disassembly of the impeller and the clutch rotating shaft.

Description

Washing machine

Technical Field

The invention relates to the field of household appliances, in particular to a washing machine.

Background

The pulsator of the washing machine is in direct contact with the laundry, and water at a position near the pulsator flows more vigorously during washing, generating a large amount of thread scraps. The positions of the bottom of the impeller and the bottom of the inner barrel are at the lowest position of the whole washing barrel, and due to the influence of factors such as gravity and the positions generated by a large amount of thread scraps, a large amount of dirt and bacteria are attached to the surfaces of the bottom of the impeller and the bottom of the inner barrel.

The most thorough and reliable method for removing dirt and bacteria hidden inside the washing machine is to disassemble various dirt-bearing parts of the washing machine for cleaning. Therefore, in order to clean the pulsator, the pulsator is usually detached for cleaning. However, in general, the pulsator of a washing machine is mounted by fastening the pulsator to a rotating shaft of a clutch by screws, and the pulsator is removed and mounted by using external tools such as a screwdriver, and much effort and time are required in screwing the screws, so that the removal and mounting of the pulsator are time-consuming and labor-consuming, and the pulsator and a tub bottom are difficult to clean.

Disclosure of Invention

The invention mainly aims to provide a washing machine, which aims to facilitate the disassembly of a wave wheel and a clutch rotating shaft.

In order to achieve the above object, the washing machine provided by the present invention comprises a clutch, a pulsator and a locking device, wherein the clutch has a rotating shaft for driving the pulsator to rotate, the pulsator is sleeved on the rotating shaft, the locking device is fixed on the rotating shaft and located above the pulsator so as to fix the pulsator on the rotating shaft, and the rotating shaft is provided with an annular clamping groove;

locking device includes retaining member and driving piece, the retaining member have with the locking position of ring slot joint and with the unlocking position of ring slot separation, when the driving piece was pressed the drive, the drive the retaining member is in the unlocking position, cancel exert in during the power of driving piece, the driving piece drive the retaining member is in the locking position.

Preferably, the retaining member is a slider, the locking device is provided with a sliding groove extending in a direction close to the rotating shaft, and the locking device further comprises:

the first resetting piece is used for resetting the locking piece from the locking position to the unlocking position; and the combination of (a) and (b),

the rotating wheel is sleeved on the rotating shaft and provided with a pushing part and a limiting hole, and the pushing part is used for pushing the locking part inwards when the rotating wheel rotates so as to enable the locking part to be located at the locking position;

the driving piece is relative spacing hole activity sets up, the driving piece includes spacing portion, spacing portion is used for the retaining member is in when the locking position, with spacing hole adaptation is inserted and is closed, in order to restrict the swiveling wheel rotates.

Preferably, the abdicating hole of the rotating wheel for the rotating shaft to penetrate through is a long hole, and the long edge of the abdicating hole forms the pushing part; the retaining member includes interconnect's sliding part and joint portion, the sliding part with spout sliding connection, joint portion be used for with the ring groove block, just joint portion stretches into in the hole of stepping down, in order to supply promotion portion promotes.

Preferably, the rotating wheel is provided with an arc-shaped hole extending along the circumferential direction, the limiting hole is communicated with one end of the arc-shaped hole, and the aperture of the limiting hole is larger than that of the arc-shaped hole;

the driving part is positioned above the rotating wheel and can move up and down relative to the rotating wheel, the driving part is provided with a downwards extending insertion part, the limiting part is arranged at the lower end of the insertion part, and the outer diameter of the limiting part is larger than that of the insertion part;

the driving piece is pressed to enable the limiting portion to move downwards to be separated from the matching with the limiting hole, when the inserting portion extends into the limiting hole, the rotating wheel is rotated, the inserting portion can slide along the arc-shaped hole, and the limiting portion is abutted to the lower surface of the rotating wheel to limit the driving piece to move upwards.

Preferably, the locking device further comprises:

the locking bottom wheel is sleeved on the rotating shaft and abutted against the upper surface of the impeller, the sliding groove is formed in the upper surface of the locking bottom wheel, and the first reset piece is connected with the locking bottom wheel and the locking piece respectively; and the combination of (a) and (b),

the locking cover is located above the locking bottom wheel and fixed with the locking bottom wheel, a pressing hole is formed in the locking cover to be in movable fit with the driving piece, and the rotating wheel is located between the locking cover and the locking bottom wheel.

Preferably, the locking is covered and is equipped with the locking post that extends down, correspond on the swiveling wheel the locking post is equipped with the arc and dodges the hole and for the locking post activity is worn to establish, be equipped with the fixed orifices on the locking return pulley with the locking post corresponds fixedly.

Preferably, the lower surface of the rotating wheel is convexly provided with a first limiting ring part, and the upper surface of the locking bottom wheel is provided with a first limiting ring groove for the sliding insertion of the first limiting ring part; and/or the presence of a gas in the gas,

the protruding second limit ring portion that is equipped with of upper surface of swiveling wheel, the lower surface of locking lid is equipped with the spacing annular of second and supplies the spacing ring portion of second slides and pegs graft.

Preferably, a coil spring is further arranged between the locking bottom wheel and the rotating wheel, one end of the coil spring is fixed with the locking bottom wheel, the other end of the coil spring is fixed with the rotating wheel, and when the locking piece is located at the locking position, the coil spring is in a stretching state.

Preferably, the driving part further comprises a pressing part, at least part of the pressing part is exposed on the upper surface of the locking cover and can be abutted against the upper surface of the locking cover, the driving part further comprises a connecting part detachably connected with the bottom of the pressing part, the connecting part is movably inserted into the pressing hole, and the limiting part is arranged on the connecting part and located below the locking cover.

Preferably, press the splenium including being located the locking covers the body of pressing of upper surface and with press this body coupling and the fixed part that extends down, be equipped with the buckle on the fixed part, connecting portion have open fixed slot up, just the cell wall of fixed slot is equipped with the draw-in groove, the fixed part stretches into in the fixed slot, the buckle with the draw-in groove joint.

Preferably, the connecting portion include with the connection body of pressing hole movable fit and setting are in connect the body bottom surface and the lateral protrusion the backstop of connecting the body, the backstop be used for with the lower surface butt of locking lid, spacing portion is located on the backstop.

Preferably, the pressing hole is a non-circular hole, and the connecting body is fitted with the pressing hole.

Preferably, the driving member further includes a second reset member, and the second reset member is respectively connected to the driving member and the locking cover, so as to reset the driving member upwards.

According to the invention, the locking part can be provided with a locking position clamped with the annular clamping groove and an unlocking position separated from the annular clamping groove under the driving of the driving part, and when the locking part is positioned at the locking position, the locking part can be clamped in the annular clamping groove, so that the locking device is prevented from moving up and down along the axial direction of the rotating shaft, and the impeller is fixed on the rotating shaft; when the locking piece is driven by the driving piece and is located at the unlocking position, the locking piece is separated from the annular clamping groove, so that the locking device can move in the axial direction and be taken out, and the impeller is convenient to clean.

Drawings

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

FIG. 1 is a schematic view of a washing machine according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an exploded view of a portion of the components of the washing machine of FIG. 1;

FIG. 4 is a schematic structural view of a rotating shaft of the washing machine of FIG. 1;

FIG. 5 is a schematic view of the locking member of FIG. 3;

FIG. 6 is a schematic view of the rotary wheel of FIG. 3;

FIG. 7 is a schematic structural view of the connection part in FIG. 3;

FIG. 8 is a schematic view of the turning wheel and retaining member of FIG. 3 after assembly;

figure 9 is a schematic view of the assembled rotating wheel and the position-limiting part in figure 3,

FIG. 10 is a schematic view of the locking bottom wheel of FIG. 3;

FIG. 11 is a schematic view of the locking cap of FIG. 3;

FIG. 12 is a schematic assembled view of the locking member and locking bottom wheel of FIG. 3;

FIG. 13 is a schematic view of the pressing portion shown in FIG. 3;

FIG. 14 is a schematic view of the joint of FIG. 7 from another perspective;

FIG. 15 is a schematic view of the locking cap of FIG. 11 from another perspective;

FIG. 16 is a schematic view of the locking bottom wheel of FIG. 11 from another perspective.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a washing machine.

In the embodiment of the present invention, as shown in fig. 1 to 7, the washing machine includes a clutch, a pulsator 20 and a locking device, the clutch has a rotating shaft 10 for driving the pulsator 20 to rotate, generally, the rotating shaft 10 extends upwards into the inner tub of the washing machine, and the rotating shaft 10 is provided with an annular slot 10 a; the impeller 20 is sleeved on the rotating shaft 10, the locking device is fixed on the rotating shaft 10, and the locking device is located above the impeller 20 to fix the impeller 20 on the rotating shaft 10, generally, the locking device is sleeved on the rotating shaft 10 and abutted against the upper surface of the impeller 20 to limit the upward movement of the impeller 20, of course, an abutting convex part can be arranged on the rotating shaft 10, the abutting convex part is located between the locking device and the impeller 20, and the abutting convex part is abutted against the impeller 20 to limit the upward movement of the impeller 20, and the locking device is abutted against the abutting convex part to limit the upward movement of the abutting convex part; the locking device includes:

retaining member 30 and driving piece 50, retaining member 30 have with the locking position of ring slot 10a joint and with the unlocking position of ring slot 10a separation, when driving piece 50 was pressed the drive retaining member 30 is in the unlocking position, cancel apply in during the power of driving piece 50, the drive of driving piece 50 retaining member 30 is in the locking position.

In this embodiment, the locking member 30 may be specifically a sliding block, which can slide along the radial direction of the rotating shaft 10, and the driving member 50 may be a wedge-shaped block, a wedge surface of which abuts against the locking member 30, and when the wedge-shaped block is pressed, the locking member 30 can be pushed inwards to be located at the locking position; when the force on the wedge is removed and the wedge moves upwards, the locking member 30 moves outwards to assume the unlocked position. In addition, the locking member 30 may be a torsion spring, when the locking member 30 is in the locking position, one leg of the torsion spring elastically abuts against the inside of the ring slot 10a, and when the locking member 30 moves from the locking position to the unlocking position, the torsion spring may be driven by the driving member to move along the circumferential direction or move up and down to disengage from the abutment with the ring slot 10 a.

According to the invention, the locking piece can be provided with a locking position clamped with the annular clamping groove 10a and an unlocking position separated from the annular clamping groove under the driving of the driving piece, and when the locking piece is positioned at the locking position, the locking piece can be clamped in the annular clamping groove, so that the locking device is prevented from moving up and down along the axial direction of the rotating shaft, and the impeller is fixed on the rotating shaft; when the locking piece is driven by the driving piece and is located at the unlocking position, the locking piece is separated from the annular clamping groove, so that the locking device can move in the axial direction and be taken out, and the impeller is convenient to clean. Because the driving piece is pressed, the unlocking and the locking of the locking piece can be facilitated.

In this embodiment, the locking member 30 is a sliding block, the locking device is provided with a sliding groove 60a (as shown in fig. 10) extending towards the direction close to the rotating shaft 10, and the locking member 30 is in sliding fit with the sliding groove 60a and is used for being clamped with the annular clamping groove 10 a;

a first return member 81 for returning said locking member 30 from said locking position to said unlocking position; and the combination of (a) and (b),

the rotating wheel 40 is sleeved on the rotating shaft 10, the rotating wheel 40 is provided with a pushing part 41 and a limiting hole 40b, and the pushing part 41 is used for pushing the locking part 30 inwards when the rotating wheel 40 rotates, so that the locking part 30 is clamped with the annular clamping groove 10 a;

drive piece 50, relative spacing hole 40b activity sets up, drive piece 50 includes spacing portion 52, spacing portion 52 be used for when retaining member 30 with during the ring groove 10a joint, with spacing hole 40b adaptation is inserted and is closed, in order to restrict rotatory wheel 40 rotates.

In this embodiment, the driving member 50 further includes a pressing portion 51 exposed outside and a limiting portion 52 connected to the bottom of the pressing portion 51, and the driving member 50 can be movably disposed up and down relative to the limiting hole 40 b; of course, in other embodiments, the driving member 50 can be transversely movably disposed relative to the position-limiting hole 40b, for example, the position-limiting hole 40b can be disposed to extend outward through the peripheral wall of the rotating wheel 40, and the driving member 50 is disposed at the side of the rotating wheel 40 and extends transversely, so that when the rotating wheel 40 rotates to the side opening of the position-limiting hole 40b facing the position-limiting portion 52 of the driving member 50, the driving member 50 is pressed inward, so that the position-limiting portion 52 is clamped in the position-limiting hole 40 b.

Specifically, establish locking device cover on pivot 10, rotate swiveling wheel 40 towards the first direction, make promotion portion 41 promotes inwards retaining member 30, until retaining member 30 with ring groove 10a joint, retaining member 30 is in the locking position, inserts spacing portion 52 on the driving piece 50 in spacing hole 40b this moment to restriction swiveling wheel 40 continues to rotate, thereby makes promotion portion 41 on the swiveling wheel 40 support inwards always and presses retaining member 30, prevents retaining member 30 and slides outwards, and first piece 81 that resets this moment is stretched. In this embodiment, since the locking member 30 is engaged with the annular engaging groove 10a, the locking member is restricted from moving in the up-down direction, so that the locking member is fixed on the rotating shaft 10 and abuts against the pulsator 20, thereby restricting the up-down movement of the pulsator 20, and the pulsator 20 is stably sleeved on the rotating shaft 10 and rotates along with the rotating shaft 10.

When impeller 20 is taken down to wash, drive 50 is pulled out through pressing down drive 50 or upwards, so that spacing portion 52 breaks away from the cooperation with spacing hole 40b, at this moment, rotatory wheel 40 is rotated along the direction opposite to first direction, promotion portion 41 rotates and loosens the butt to retaining member 30 slowly, make retaining member 30 slide outwards under the reseing of first piece 81 that resets, thereby break away from the joint with ring groove 10a, retaining member 30 is in the unblock position, locking device and impeller 20 can be taken down up this moment, and can dismantle locking device one by one and wash, can expose the bobbin base of washing machine inner tube after impeller 20 takes out simultaneously, thereby convenience of customers washs.

In the present invention, firstly, the impeller 20 is disassembled and assembled without using external tools (such as a screwdriver) and the impeller 20 can be disassembled by only pressing or lifting the driving member 50, so that the impeller 20 can be disassembled more conveniently and more time-saving, which is beneficial to cleaning the impeller 20 and the bottom of the tub. Secondly, as the screws and the threads of the clutch shaft hole in the conventional impeller 20 adopting the screw fastening mode are easy to slip after being disassembled for several times, the impeller 20 cannot be firmly locked on the rotating shaft 10, so that the power on the rotating shaft 10 cannot be transmitted to the impeller 20, and the washing effect is influenced; meanwhile, the screw head of the screw is damaged after the screw is disassembled and assembled for many times, and the phenomenon that the screw cannot be rotated by tools such as a screwdriver and the like occurs, so that the impeller 20 cannot be disassembled or assembled, and the locking structure in the invention can avoid the phenomenon by adopting the locking piece 30.

Referring to fig. 5, fig. 6 and fig. 8 again, in the present embodiment, the receding hole 40a of the rotating wheel 40 through which the rotating shaft 10 passes is configured as a long hole, and a long edge of the receding hole 40a forms the pushing portion 41; retaining member 30 includes interconnect's sliding part 31 and joint portion 32, sliding part 31 with spout 60a sliding connection, joint portion 32 be used for with ring groove 10a block, just joint portion 32 stretches into in the hole of stepping down 40a, so that promotion portion 41 promotes. In order to make the pushing of the hole edge of the yielding hole 40a to the clamping portion 32 smoother, the hole edge of the yielding hole 40a and the outer side edge of the clamping portion 32 are preferably arranged in an arc shape. When the swiveling wheel 40 rotates to the short edge of the abdicating hole 40a to contact with the clamping portion 32, the swiveling wheel 40 is prevented from continuing to rotate and then rotates to the other long edge to abut against the clamping portion 32, so that a stopper is convexly arranged on the edge of the abdicating hole 40a and positioned at the short edge, and after the locking member 30 is switched from the locking position to the unlocking position, the stopper abuts against the clamping portion 32 to limit the swiveling wheel 40 to continue to rotate. Specifically, the elongated hole may be a kidney-shaped hole, a rectangular hole, or the like. Of course, in other embodiments, the pushing portion 41 may be a protrusion protruding from the lower surface of the rotation wheel 40; or a pushing hole is further formed in the rotating wheel 40, the pushing hole is a long hole, a long hole edge of the pushing hole forms a pushing portion 41, the locking member 30 includes a stress portion extending into the pushing hole and used for pushing the hole edge of the pushing hole, and a clamping portion connected with the stress portion and located above or below the rotating wheel 40, and the clamping portion extends towards the position where the rotating shaft 10 is located and is used for being clamped with the annular clamping groove 10 a.

For making the block effect better, joint portion 32 orientation the surface of pivot 10 is equipped with arc cooperation groove 30a, the shape of arc cooperation groove 30a with pivot 10 forms annular clamping groove 10a global is the profile modeling setting, and arc cooperation groove 30a is the semicircular groove promptly, can just adapt to half of block annular clamping groove 10a to make the block effect better.

Referring to fig. 6, 7 and 9, in this embodiment, an arc-shaped hole 40c extending along the circumferential direction is formed in the rotating wheel 40, the limiting hole 40b is communicated with one end of the arc-shaped hole 40c, and the aperture of the limiting hole 40b is larger than that of the arc-shaped hole 40 c; the driving member 50 is located above the rotating wheel 40 and can move up and down relative to the rotating wheel 40, the driving member 50 is provided with a downward extending insertion part 53, the limiting part 52 is arranged at the lower end of the insertion part 53, and the outer diameter of the limiting part 52 is larger than that of the insertion part 53. Specifically, when the locking member 30 moves from the locking position to the unlocking position, the driving member 50 is pressed to move the limiting portion 52 downward to disengage from the limiting hole 40b, and when the insertion portion 53 extends into the limiting hole 40b, the rotating wheel 40 is rotated to slide the insertion portion 53 along the arc-shaped hole 40c, and the limiting portion 52 abuts against the lower surface of the rotating wheel 40 to limit the driving member 50 to move upward. When the locking member 30 moves from the unlocking position to the locking position, the rotation wheel 40 is rotated, so that the insertion part 53 slides along the arc-shaped hole 40c and towards one end close to the position of the limiting hole 40b, and when the insertion part 53 slides into the limiting hole 40b, the driving member 50 is pulled upwards until the limiting part 52 is matched with the limiting hole 40 b. In this embodiment, since the outer diameter of the position-limiting portion 52 is larger than the aperture of the arc-shaped hole 40c, when the locking member 30 is in the locking position and the position-limiting portion 52 is fittingly inserted into the position-limiting hole 40b, the position-limiting portion 52 will not move toward the arc-shaped hole 40c, thereby preventing the rotation of the rotation wheel 40; because the external diameter of grafting portion 53 is less than the aperture of arc hole 40c, so when retaining member 30 switches from the locking position to the unblock position, grafting portion 53 can slide in arc hole 40c to make swiveling wheel 40 rotate along grafting portion 53, avoided the swiveling wheel 40 skew, spacing portion 52 butt has restricted driving piece 50 and has broken away from upwards at the lower surface of swiveling wheel 40 simultaneously.

In other embodiments, the position-limiting portion 52 of the driving member 50 may be elongated, such as an elongated column or plate, and when the locking member 30 moves from the locking position to the unlocking position, the driving member 50 is lifted upwards, so that the position-limiting portion 52 moves upwards to disengage from the position-limiting hole 40b, and the rotating wheel 40 can rotate. When the locker 30 is moved from the unlocking position to the locking position, the rotation wheel 40 is rotated until the locker 30 has been in the locking position and the stopper 52 is facing the stopper hole 40b, and the driving member 50 is pressed down so that the stopper 52 is inserted into the stopper hole 40 b.

When the inserting portion 53 slides in a direction close to the limiting hole 40b, in order to prevent the limiting portion 52 from being lifted upwards due to excessive sliding of the inserting portion 53, in this embodiment, a limiting rib (not shown) is disposed on the lower surface of the rotating wheel 40 and along the hole edge of the limiting hole 40b, and the limiting rib is used for abutting against the periphery of the limiting portion 52 when the inserting portion 53 extends into the limiting hole 40b, so as to limit the limiting portion 52 from crossing the hole edge of the limiting hole 40 b. Specifically, when the inserting portion 53 moves into the limiting hole 40b, since the outer diameter of the inserting portion 53 is smaller than the aperture of the limiting hole 40b, the rotating wheel 40 can continue to rotate until the inserting portion 53 abuts against the hole edge of the limiting hole 40b facing the arc-shaped hole 40c, but the limiting portion 52 is dislocated from the limiting hole 40b, and the limiting portion 52 abuts against the lower surface of the rotating wheel 40, so that the limiting portion 52 cannot move upwards. In this embodiment, the hole edge of the limiting hole 40b is provided with the limiting convex rib, when the inserting part 53 slides into the limiting hole 40b, the limiting part 52 abuts against the limiting convex rib, so that the inserting part 53 is prevented from continuously sliding towards the direction away from the arc-shaped hole 40c, the limiting part 52 is ensured to be opposite to the limiting hole 40b, and the limiting part 52 can move upwards to be clamped with the limiting hole 40 b. It should be noted that, when the limiting convex rib is an arc, and is equal to or less than half of the arc, and is located on the side of the limiting hole 40b far from the arc hole 40c, so as to avoid the limiting convex rib blocking the movement of the limiting portion 52 due to the too small opening of the side where the arc hole 40c is located.

Please refer to fig. 10 and fig. 11 in combination, further, the locking device further includes:

the locking bottom wheel 60 is sleeved on the rotating shaft 10 and abutted against the upper surface of the impeller 20, the sliding groove 60a is formed in the upper surface of the locking bottom wheel 60, and the first resetting piece 81 is respectively connected with the locking bottom wheel 60 and the locking piece 30; and the combination of (a) and (b),

the locking cover 70 is located above the locking bottom wheel 60 and fixed with the locking bottom wheel 60, a pressing hole 70a is formed in the locking cover 70 to be movably matched with the driving member 50, and the rotating wheel 40 is located between the locking cover 70 and the locking bottom wheel 60.

In this embodiment, the rotation wheel 40 is located between the locking cover 70 and the locking bottom wheel 60, and abuts against the locking cover 70 and the locking bottom wheel 60, respectively, to prevent the movement in the up-and-down direction. The sliding groove 60a of the present embodiment is provided on the locking bottom wheel 60, that is, the sliding part 31 is located below the rotating wheel 40, and the clamping part 32 extends upwards into the abdicating hole 40 a. Of course, in other embodiments, the sliding groove 60a may be disposed on the locking cover 70, the sliding portion 31 is located above the rotation wheel 40, and the clamping portion 32 extends downward into the avoiding hole 40 a. Alternatively, in other embodiments, the locking device may include a housing having a cavity, the locking member 30 and the rotation wheel 40 are both disposed in the housing, the sliding groove 60a is disposed on the bottom surface of the housing, the top surface of the housing is provided with a pressing hole 70a for the driving member 50 to be movably engaged, and a toggle hole for rotating the rotation wheel 40 may be disposed on the circumferential surface of the housing for facilitating the rotation of the rotation wheel 40.

Specifically, be equipped with downwardly extending's locking post 71 on the locking lid 70, correspond on the swiveling wheel 40 locking post 71 is equipped with the arc and dodges hole 40d for the activity of locking post 71 is worn to establish, be equipped with on the locking return pulley 60 fixed orifices 60b with the locking post 71 corresponds fixedly. The locking column 71 and the fixing hole 60b can be connected by a screw, and of course, the locking column 71 and the fixing hole 60b can also be connected by a pin or a buckle. The arc-shaped escape holes 40d are provided so that the rotation wheel 40 can escape from the locking posts 71 when rotated. Preferably, the locking columns 71 are multiple, for example, four, and the multiple locking columns 71 are spaced apart along the circumference of the locking cover 70, and correspondingly, the fixing holes 60b and the arc-shaped avoiding holes 40d are provided in multiple numbers. Of course, the locking posts 71 may also be spaced radially along the locking cover 70, and the plurality of arc-shaped avoiding holes 40d are spaced radially inward and outward.

Please refer to fig. 6 again, in order to coarsely position the rotating wheel 40 during installation and prevent the rotating wheel 40 from translating along the horizontal direction, the lower surface of the rotating wheel 40 is convexly provided with a first limiting ring portion 42, the upper surface of the locking bottom wheel 60 is provided with a first limiting ring groove 60c for the first limiting ring portion 42 to be inserted in a sliding manner, so that when the rotating wheel 40 rotates, the first limiting ring portion 42 can slide in the first limiting ring groove 60c, and the first limiting ring groove 60c limits the first limiting ring portion 42 to move in the horizontal direction. Similarly, a second limit ring part (not shown) is convexly arranged on the upper surface of the rotating wheel 40, and a second limit ring groove 70b is arranged on the lower surface of the locking cover 70 for the second limit ring part to be slidably inserted. In this embodiment, the first limit ring portion 42 and the second limit ring portion may be disposed at the same time, and of course, in other embodiments, only the first limit ring portion 42 or only the second limit ring portion may be disposed.

Further, a coil spring 82 is further provided between the locking bottom wheel 60 and the rotation wheel 40, one end of the coil spring 82 is fixed to the locking bottom wheel 60, and the other end is fixed to the rotation wheel 40, when the locking member 30 is engaged with the engaging groove, that is, when the locking member 30 is in the locking position, the coil spring 82 is in a stretched state, when the locking member 30 is moved from the locking position to the unlocking position, the rotation wheel 40 is automatically rotated by the return of the coil spring 82, and when the coil spring 82 is in a free state, the locking member 30 is in the unlocking position. Of course, in other embodiments, the coil spring 82 may be eliminated and the rotary wheel 40 may be manually rotated.

Referring to fig. 10, specifically, the locking bottom wheel 60 is provided with a mounting ring groove 60d on the upper surface thereof, the mounting ring groove 60d is disposed around the rotating shaft 10, the coil spring 82 is located in the mounting ring groove 60d, and the mounting ring groove 60d limits the coil spring 82 to prevent the coil spring 82 from moving in the horizontal direction. Referring to fig. 6, a first fixing post 61 is disposed in the mounting ring groove 60d, a second fixing post 43 is disposed on the lower surface of the rotating wheel 40, an inner end of the coil spring 82 is sleeved on the first fixing post 61, and an outer end of the coil spring 82 is sleeved on the second fixing post 43, so that the coil spring 82 is conveniently separated from the rotating wheel 40 and the locking bottom wheel 60 by direct sleeving.

Referring to fig. 12, in the embodiment, the locking device has two locking members 30, two sliding grooves 60a are correspondingly formed in the locking bottom wheel 60, the two sliding grooves 60a extend along the radial direction of the rotating shaft 10 and are respectively disposed on two sides of the rotating shaft 10, a locking member 30 is disposed in each sliding groove 60a, and the two locking members 30 can simultaneously engage with the annular slot 10a, so that the stress on the rotating shaft 10 is more balanced, and the locking effect on the locking device and the rotating shaft 10 is better. Preferably, the two sliding grooves 60a are communicated with each other and extend in a radial direction of rotation. Of course, in other embodiments, the locking device may have three or four locking members 30, which is not limited by the present invention.

Referring to fig. 5, 10 and 12 again, a third fixing column 62 is disposed on the upper surface of the locking bottom wheel 60 and at the outer end close to the sliding slot 60a, a hanging part 33 is disposed on the sliding part 31 in a protruding manner, one end of the first reset element 81 is fixed to the third fixing column 62, and the other end is hung to the hanging part 33. Through cup jointing first piece 81 that resets on third fixed column 62, and hang the form of establishing on hanging portion 33, can make things convenient for dismantling of first piece 81 that resets.

In this embodiment, the pressing portion 51 is at least partially exposed on the upper surface of the locking cover 70 and can abut against the upper surface of the locking cover 70, so as to prevent the driving member 50 from excessively moving downward when the driving member 50 is pressed down.

Referring to fig. 7, 13 and 14, the driving member 50 further includes a connecting portion 54 detachably connected to the bottom of the pressing portion 51, the connecting portion 54 is movably inserted into the pressing hole 70a, and the limiting portion 52 is disposed on the connecting portion 54 and below the locking cover 70. Specifically, the pressing portion 51 includes a pressing body 511 located on the upper surface of the locking cover 70, and a fixing portion 512 connected to the pressing body 511 and extending downward, the pressing body 511 can abut against the upper surface of the locking cover 70, and the pressing body 511 is preferably provided in a disk shape; the fixing portion 512 is provided with a buckle 513, the connecting portion 54 is provided with a fixing groove 54a which is open upwards, a groove wall of the fixing groove 54a is provided with a clamping groove 54b, the fixing portion 512 extends into the fixing groove 54a, and the buckle 513 is clamped with the clamping groove 54 b. In this embodiment, the number of the hooks 513 is one, the number of the slots 54b is four, and the hooks 513 are spaced along the circumference of the fixing slot 54a, and can be engaged with any one of the slots 54b, so that when the fixing portion 512 is inserted into the fixing slot 54a along different directions, the engagement between the hooks 513 and the slots 54b is facilitated. In addition, the number of the snap hooks 513 is not limited to one, and may also be multiple, for example, four, that is, one snap hook 513 is provided on each of four surfaces of the fixing portion 512 along the circumferential direction, so as to be snapped into the four snap grooves 54b in a one-to-one correspondence. In other embodiments, the fixing portion 512 and the connecting portion 54 can be connected by screws. The driver 50 may not include the fixing portion 512, and the connecting portion 54 may be directly fixed to the pressing body 511.

The connecting portion 54 includes a connecting body 541 movably fitted with the pressing hole 70a, and a stop block 542 disposed on the bottom surface of the connecting body 541 and laterally protruding from the connecting body 541, the stop block 542 is used for abutting against the lower surface of the locking cover 70, and the limiting portion 52 is disposed on the stop block 542. In this embodiment, by providing the stopper 542, the driving member 50 can be restricted from moving upward excessively, and the driving member 50 is prevented from being disengaged from the pressing hole 70 a. In this embodiment, the number of the stop blocks 542 is preferably two, and the stop blocks are symmetrically arranged around the axis of the pressing hole 70a, so that the force applied to the driving member 50 is more balanced. Of course, the stopper 542 may have a disk shape or a square plate shape, and the peripheral edge of the stopper 542 is disposed beyond the bottom edge of the connection body 541.

In this embodiment, the driving member 50 includes two insertion portions 53, each insertion portion 53 is provided with one of the limiting portions 52, and the two insertion portions 53 are symmetrically distributed with the axis of the rotating shaft 10 as a center; the rotating wheel 40 is provided with an arc hole 40c corresponding to each insertion part 53, and a limiting hole 40b corresponding to each limiting part 52. Specifically, each of the stoppers 542 is provided with an insertion portion 53 and a stopper portion 52.

Referring to fig. 15, in order to prevent the driving member 50 from rotating and thus the locking device cannot be normally locked or unlocked, in this embodiment, the pressing hole 70a is a non-circular hole, and the connecting body 541 is adapted to the pressing hole 70 a. In this embodiment, the non-circular hole refers to a hole of any shape other than a circular hole, and the connection body 541 cannot rotate within the pressing hole 70 a. Preferably, the pressing hole 70a and the connecting body 541 are both square, the fixing groove 54a formed on the connecting body 541 is also square, one locking groove 54b is provided on each groove sidewall of the fixing groove 54a, and the fixing portion 512 of the pressing portion 51 is a square column. In other embodiments, the pressing hole 70a and the connecting body 541 are hexagonal, octagonal, kidney-shaped, etc., as long as the connecting body 541 can not rotate in the pressing hole 70 a.

Further, the driving member 50 further includes a second resetting member 83, and the second resetting member 83 is respectively connected to the driving member 50 and the locking cover 70, so as to reset the driving member 50 upwards. Specifically, the upper surface of the locking cover 70 is provided with an installation groove 70c, and the pressing portion 51 and the second reset piece 83 are accommodated in the installation groove 70 c. In the mounting groove 70c and along press hole 70a hole edge to be equipped with annular muscle 72, the second resets 83 and encircles annular muscle 72 sets up, the second resets 83 the upper end with press the body 511 butt, press the body 511 can when moving down with annular muscle 72 butt. The second reset piece 83 can be limited by the annular rib 72, and the second reset piece 83 is prevented from moving in the horizontal direction.

Referring to fig. 16, in order to prevent the pulsator 20 from moving relative to the locking device, the pulsator 20 is fixed to the locking bottom wheel 60, and specifically, a plurality of mounting holes 60e are formed in the lower surface of the locking bottom wheel 60, and the pulsator 20 is fixed to the mounting holes 60e by screws.

Referring to fig. 2 and 4 again, further, the washing machine further includes an insert 84 sleeved on the rotating shaft 10, the rotating shaft 10 is provided with an external spline 10b, the insert 84 is provided with an internal spline to be matched with the external spline 10b, the insert 84 is located below the pulsator 20 and fixed to the pulsator 20, and the insert 84 and the pulsator 20 are preferably fixed by screws. By adopting the form of the internal and external splines 10b, the insert 84 is prevented from rotating relative to the rotating shaft 10, so that the impeller 20 and the rotating shaft 10 are relatively static, and the effective transmission of force is realized.

In the above, the first restoring member 81 and the second restoring member 83 are preferably springs, and of course, the first restoring member 81 and the second restoring member 83 may also be elastic sheets, rubber pads, silica gel pads, and the like.

The following describes the movement of the internal structure of the locking device in detail:

specifically, when the locking device is fixed on the rotating shaft 10, the rotating wheel 40 is rotated in the first direction, so that the long edge of the abdicating hole 40a pushes the locking member 30 inwards, meanwhile, the insertion part 53 slides along the arc-shaped hole 40c in the direction close to the limiting hole 40b, when the insertion part 53 slides into the limiting hole 40b, the locking member 30 is clamped with the annular clamping groove 10a, the locking member 30 is in the locking position, and then the second resetting member 83 resets the driving member 50 upwards, so that the driving member 50 moves upwards, until the limiting part 52 is matched and inserted with the limiting hole 40b, so as to limit the rotating wheel 40 to rotate; in this state, the first restoring member 81 and the coil spring 82 are both stretched, and the second restoring member 83 is in a free state.

When the locking device needs to be taken down, the driving part 50 is pressed down, so that the limiting part 52 moves downwards, the inserting part 53 is in clearance fit with the limiting hole 40b, at the moment, the rotating wheel 40 rotates in the opposite direction under the reset of the coil spring 82, the inserting part 53 slides along the arc-shaped hole 40c, and the limiting part 52 abuts against the lower surface of the rotating wheel 40 to limit the upward movement of the driving part 50; meanwhile, the short edge of the receding hole 40a gradually contacts with the locking member 30, and the locking member 30 slides outwards under the action of the first restoring member 81, so that the locking member is disengaged from the annular clamping groove 10a, and the locking device and the impeller 20 can be completely taken down upwards.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A washing machine is characterized by comprising a clutch, a wave wheel and a locking device, wherein the clutch is provided with a rotating shaft for driving the wave wheel to rotate, the wave wheel is sleeved on the rotating shaft, the locking device is fixed on the rotating shaft and positioned above the wave wheel so as to fix the wave wheel on the rotating shaft, and the rotating shaft is provided with an annular clamping groove;

the locking device comprises a locking part and a driving part, the locking part is provided with a locking position clamped with the annular clamping groove and an unlocking position separated from the annular clamping groove, when the driving part is pressed and driven, the locking part is driven to be in the unlocking position, and when the force applied to the driving part is removed, the driving part drives the locking part to be in the locking position;

the retaining member is a slider and can slide along the radial direction of the rotating shaft.

2. The washing machine as claimed in claim 1, wherein the locking member is a slider, the locking device is provided with a sliding groove extending in a direction close to the rotation shaft, and the locking device further comprises:

3. The washing machine as claimed in claim 2, wherein the escape hole of the rotation wheel through which the rotation shaft passes is provided as a long hole, and a long edge of the escape hole constitutes the pushing part; the retaining member includes interconnect's sliding part and joint portion, the sliding part with spout sliding connection, joint portion be used for with the ring groove block, just joint portion stretches into in the hole of stepping down, in order to supply promotion portion promotes.

4. The washing machine according to claim 2, wherein the rotation wheel is provided with an arc-shaped hole extending along the circumferential direction, the limiting hole is communicated with one end of the arc-shaped hole, and the aperture of the limiting hole is larger than that of the arc-shaped hole;

5. A washing machine as claimed in any one of claims 2 to 4, wherein the locking device further comprises:

6. The washing machine as claimed in claim 5, wherein the locking cover is provided with a locking post extending downward, the rotating wheel is provided with an arc-shaped avoiding hole corresponding to the locking post for the locking post to movably pass through, and the locking bottom wheel is provided with a fixing hole corresponding to the locking post to be fixed.

7. The washing machine as claimed in claim 5, wherein the lower surface of the rotation wheel is protruded with a first limit ring part, and the upper surface of the locking bottom wheel is provided with a first limit ring groove for the first limit ring part to be inserted and connected in a sliding manner; and/or the presence of a gas in the gas,

8. The washing machine as claimed in claim 5, wherein a coil spring is further provided between the locking bottom wheel and the rotation wheel, one end of the coil spring is fixed to the locking bottom wheel, and the other end is fixed to the rotation wheel, and the coil spring is in a stretched state when the locker is in the locking position.

9. The washing machine as claimed in claim 5, wherein the driving member further includes a pressing portion at least partially exposed from the upper surface of the locking cover and capable of abutting against the upper surface of the locking cover, the driving member further includes a connecting portion detachably connected to the bottom of the pressing portion, the connecting portion is movably inserted into the pressing hole, and the limiting portion is disposed on the connecting portion and located below the locking cover.

10. The washing machine as claimed in claim 9, wherein the pressing part includes a pressing body located on the upper surface of the locking cover, and a fixing part connected to the pressing body and extending downward, the fixing part is provided with a buckle, the connecting part has a fixing groove opening upward, a groove wall of the fixing groove is provided with a clamping groove, the fixing part extends into the fixing groove, and the buckle is clamped with the clamping groove.

11. The washing machine as claimed in claim 9, wherein the connection part includes a connection body movably fitted to the pressing hole, and a stopper provided at a bottom surface of the connection body and laterally protruding from the connection body, the stopper being adapted to abut against a lower surface of the locking cover, the stopper being provided at the stopper.

12. A washing machine as claimed in claim 11, wherein the pressing hole is a non-circular hole, and the connection body is fitted with the pressing hole.

13. The washing machine as claimed in claim 5, wherein the driving member further includes a second restoring member connected to the driving member and the locking cover, respectively, for restoring the driving member upward.