Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art, and to provide a washing machine, in which a clutch assembly is driven to move by an electromagnetic force generated by a driving module, and the clutch assembly is driven to move to connect/disconnect with/from a dewatering shaft, so as to realize the dewatering/washing functions of the washing machine, the clutch assembly is arranged between an inner tub and an outer tub, thereby saving the inner space at the lower part of the washing machine and reducing the volume of the washing machine.
In order to solve the technical problems, the invention adopts the technical scheme that: provides a washing machine, which comprises an inner barrel, an outer barrel, a washing shaft, a dewatering shaft sleeved on the washing shaft, and a washing machine body,
the clutch component is sleeved on the washing shaft between the inner barrel and the outer barrel in a sliding manner;
and the driving module is used for driving the clutch component to be connected with or separated from the dewatering shaft through electromagnetic force so as to enable the dewatering shaft and the washing shaft to integrally rotate or respectively rotate.
The invention drives the bracket to move through the electromagnetic force by the driving module, drives the clutch component sleeved on the washing shaft to move in a sliding way, so that the washing shaft and the dehydration shaft rotate integrally or do not rotate integrally, the dehydration/washing function of the washing machine is realized, the clutch component has a simple structure, the occupied space between the inner barrel and the outer barrel is small, the internal space of the washing machine is saved, the volume of the washing machine is reduced, the washing space of the washing machine can be increased under the condition that the volume of the washing machine is not changed, and the washing capacity increase of the washing machine is realized.
Furthermore, a distance is reserved between the other end of the dewatering shaft and the bottom of the outer barrel, and at least a movement range for the clutch assembly to slide away from the dewatering shaft is formed.
Further, the clutch assembly includes a clutch ring having,
the first connecting piece is used for being integrally and rotatably connected with the washing shaft;
and the second connecting piece is used for being meshed and connected with the dewatering shaft.
Further, the first connecting piece is a spline arranged on the inner peripheral wall of the clutch ring,
the second connecting piece is a spline arranged on the outer peripheral wall of the clutch ring, and the inner peripheral wall of the other end of the dehydrating shaft is provided with a spline which is matched and meshed with the second connecting piece;
preferably, the clutch ring is a circular ring.
Further, one end of the spline on the outer peripheral wall of the clutch ring, which is close to the dewatering shaft, is provided with a guide inclined surface, and/or one end of the spline on the inner peripheral wall of the dewatering shaft, which is close to the clutch ring, is provided with a guide inclined surface, which is used for guiding the clutch ring to enter the dewatering shaft.
Further, the clutch component also comprises a support, and the support is sleeved on the washing shaft in a sliding manner and is positioned between the dewatering shaft and the outer barrel.
Furthermore, the center of the bracket in the length direction is provided with a through hole for the washing shaft to pass through, and two ends of the bracket in the length direction extend from the through hole to the periphery direction;
preferably, the support is a centrosymmetric structure.
Furthermore, the positions of the bracket close to the two ends in the length direction are respectively provided with an acting force part which is used for being matched with the driving module to generate acting force so as to enable the bracket to move along the axial direction;
preferably, the force application portion is symmetrically disposed about the through hole.
Furthermore, a clutch spring is arranged between the support and the bottom of the outer barrel, the clutch spring is sleeved on the washing shaft, and two ends of the clutch spring are respectively abutted against the support and the outer barrel.
Further, the driving module is arranged at the outer side of the outer barrel bottom, and the position of the outer barrel opposite to the driving module is made of a non-magnetic material;
preferably, the driving module is arranged opposite to two ends of the bracket.
When the washing machine clutch assembly is installed on the washing machine, the driving module does not need to be arranged at the bottom of the inner barrel of the washing machine and can be arranged outside the outer barrel of the washing machine, and the washing machine clutch device with a smaller structure is installed, so that the space in the washing machine is saved, the volume of the washing machine is reduced, the washing space of the inner barrel can be increased, and the washing capacity increase of the washing machine is realized.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
(1) The driving module drives the clutch component to move through electromagnetic force, drives the clutch component sleeved on the washing shaft to move in a sliding manner, and controls the washing shaft and the dehydration shaft to rotate integrally or respectively, so that the dehydration/washing function of the washing machine is realized, and the washing machine is simple in structure and convenient to operate and control; the clutch component has simple structure, occupies small space between the inner barrel and the outer barrel, saves the inner space of the washing machine, reduces the volume of the washing machine, can increase the washing space of the washing machine under the condition that the volume of the washing machine is not changed, and realizes the washing capacity increase of the washing machine.
(2) When the washing machine clutch assembly is installed on the washing machine, the driving module does not need to be arranged at the bottom of the inner barrel of the washing machine and can be arranged outside the outer barrel of the washing machine, and the washing machine clutch device with a smaller structure is installed, so that the space in the washing machine is saved, the volume of the washing machine is reduced, the washing space of the inner barrel can be increased, and the washing capacity increase of the washing machine is realized.
(3) The washing machine is not provided with a speed reducer, and the variable frequency motor is arranged outside the outer barrel of the washing machine to control and adjust the rotating speed of the impeller and/or the inner barrel to wash, so that the internal structure of the washing machine is simplified, the internal space of the washing machine is saved, the height of the washing machine is reduced, the available space of the washing machine is increased, the capacity increase of the washing machine can be facilitated under the same volume, the washing machine is simple in structure and convenient to install, and the cost is reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, the washing machine 8 of the present invention comprises an inner tub 81, an outer tub 82, a washing shaft 1, and a dehydrating shaft 2 fitted around the washing shaft 1, wherein one end of the dehydrating shaft 2 is connected to the inner tub 81, and further comprises,
a clutch assembly slidably fitted over the washing shaft 1 between the inner tub 81 and the outer tub 82;
and a driving module 5 for driving the clutch assembly to be connected/disconnected with the dehydrating shaft 2 by electromagnetic force, so that the dehydrating shaft 2 and the washing shaft 1 integrally/respectively rotate.
The invention drives the clutch component to move through the electromagnetic force of the driving module 5, drives the clutch component sleeved on the washing shaft 1 to move in a sliding way, so that the dehydration shaft 2 and the washing shaft 1 rotate integrally or do not rotate integrally, and the dehydration/washing function of the washing machine 8 is realized.
The washing shaft 1 is inserted into the inner tub 81 and the outer tub 82. The washing machine 8 of the present invention is a drum washing machine or a pulsator washing machine. The present embodiment specifically takes a pulsator washing machine as an example for explanation.
Specifically, the driving module 5 is configured to drive the clutch assembly to engage with/disengage from the dehydrating shaft 2 by electromagnetic force, so that the dehydrating shaft 2 and the washing shaft 1 integrally/individually rotate. When the clutch assembly is engaged with the dehydrating shaft 2, the dehydrating shaft 2 and the washing shaft 1 integrally rotate; when the clutch assembly is disengaged from the dehydrating shaft 2, the dehydrating shaft 2 does not rotate with the rotation of the washing shaft 1, and each rotates.
A distance is formed between the other end of the dewatering shaft 2 and the bottom of the outer tub 82, and at least a movement range for the clutch assembly to slip off the dewatering shaft 2 is formed. The clutch component is sleeved on the washing shaft 1 in a vertically sliding manner and is positioned below the dewatering shaft 2.
As shown in fig. 2 to 7, the clutch assembly includes a clutch ring 3, the clutch ring 3 having a first connecting member for integral rotational connection with the washing shaft 1; and the second connecting piece is used for being meshed and connected with the dewatering shaft 2.
The preferable scheme is that the first connecting piece is a spline arranged on the inner peripheral wall of the clutch ring 3, the second connecting piece is a spline arranged on the outer peripheral wall of the clutch ring 3, and the inner peripheral wall of the other end of the dewatering shaft 2 is provided with a spline which is engaged with the second connecting piece in a matching manner. Preferably, the clutch ring 3 is a circular ring, and the clutch ring 3 rotates integrally with the washing shaft 1.
The end of the spline on the outer peripheral wall of the clutch ring 3, which is close to the dewatering shaft 2, is provided with a guiding bevel (not shown in the figure), and/or the end of the spline on the inner peripheral wall of the dewatering shaft 2, which is close to the clutch ring 3, is provided with a guiding bevel for guiding the clutch ring 3 into the dewatering shaft 2.
Another preferable scheme is that the first connecting piece is a spline arranged on the inner peripheral wall of the clutch ring 3, the second connecting piece is a clutch tooth (not shown) arranged on the end surface of one side of the clutch ring 3 facing the dewatering shaft 2, the end surface of the other end of the dewatering shaft 2 is provided with an end surface tooth (not shown) matched and meshed with the second connecting piece, and the clutch ring 3 is a circular ring.
Further, a flange 22 is provided at the upper end of the dehydrating shaft 2, and the flange 22 is connected with the inner tub 81. The flange 22 has a coupling hole 221 formed therein in an axial direction.
Specifically, the dewatering shaft 2 is connected to the outer side of the bottom of the inner tub 81, the flange 22 of the dewatering shaft 2 is connected to the outer side of the bottom of the inner tub 81, a hole is also formed in the outer side of the bottom of the inner tub 81, and the connecting hole 221 of the flange 22 is connected to the hole of the inner tub 81 by a bolt or a screw.
The washing machine 8 further comprises a pulsator 83 and a variable frequency motor 84, the variable frequency motor 84 is arranged on the outer tub 82, one end of the washing shaft 1 is connected with the pulsator 83, and the other end is in transmission connection with the variable frequency motor 84. The variable frequency motor 84 is arranged on the outer side of the bottom of the outer tub 82, and the washing shaft 1 is arranged in the outer tub 82 in a penetrating way and is in transmission connection with the variable frequency motor 84.
The washing machine 8 is not provided with a speed reducer, and the variable frequency motor 84 is arranged outside the outer barrel 82 of the washing machine, so that the variable frequency motor 84 controls and adjusts the rotating speed of the impeller 83 and/or the inner barrel 81 to wash, the internal structure of the washing machine is simplified, the internal space of the washing machine is saved, the height of the washing machine is reduced, the capacity increase of the washing machine is facilitated, the washing machine is simple in structure and convenient to install, and the cost is reduced.
The clutch component also comprises a bracket 4, wherein the bracket 4 is sleeved on the washing shaft 1 in a sliding way and is positioned between the clutch ring 3 and the outer barrel 82. The upper end of the bracket 4 can be abutted against the lower end face of the clutch ring 3.
Preferably, washing axle 1 includes first shaft segment 11, second shaft segment 12 and the third shaft segment 13 that top-down connected gradually, the diameter of second shaft segment 12 is greater than the diameter of first shaft segment 11, third shaft segment 13, be equipped with on the periphery wall of second shaft segment 12 upper end can with the spline that the clutch ring 3 meshed, when support 4 pushed down, the cover was established on the smooth periphery wall of second shaft segment 12 lower extreme.
The 2 covers of dehydration axle are established washing axle 1 is last, dehydration axle 2 includes the shoulder hole of coaxial setting, the shoulder hole includes first hole section 23, second hole section 24, the third hole section 25 that connect gradually from top to bottom, the aperture of second hole section 24 is less than the aperture of first hole section 23, third hole section 25. The first hole section 23, the second hole section 24 and the third hole section 25 are straight holes.
The inner wall of the dewatering shaft 2 is provided with a convex rib 21 along the circumferential direction, and the dewatering shaft 2 is positioned above the joint of the first shaft section 11 and the second shaft section 12 through the convex rib 21, so that the washing shaft 1 can be prevented from penetrating out of the dewatering shaft 2.
One end of the dewatering shaft 2 with the first hole section 23 is connected with the inner barrel 81, the inner wall of the lower end of the first hole section 23 is provided with a convex rib 21, and the third hole section 25 is provided with a spline matched with the clutch ring 3. The separating ring 3 enters the third hole section 25 at the lower end of the dehydrating shaft 2 under the action of external force and is connected with the spline in the third hole section 25.
The washing machine 8 further comprises a pulsator 83 and a variable frequency motor 84, specifically, the first shaft section 11 is connected with the pulsator 83, the third shaft section 13 is in transmission connection with the variable frequency motor 84, the washing shaft 1 drives the pulsator 83 to rotate, the rotating speed of the washing shaft 1 is controlled through the variable frequency motor 84, and the dewatering shaft 2 can rotate integrally with the washing shaft 1.
The sealing structure 7 is provided at the connection of the upper end of the dewatering shaft 2 and the washing shaft 1, and can be matched with the inner barrel 81 to prevent the water in the barrel from flowing out of the inner barrel 81.
The sealing structure 7 is sleeved on the washing shaft 1 and is arranged above the convex rib 21. Preferably, the rib 21 is a circular rib.
The holder 4 has a through hole 42 at the center in the longitudinal direction through which the washing shaft 1 passes, and both ends in the longitudinal direction of the holder 4 are extended in the outer circumferential direction from the through hole 42. The diameter of the through hole 42 is smaller than the outer diameter of the clutch ring 3.
Preferably, the bracket 4 is a sheet metal part with a length. The support 4 is a support plate or a support rod. The support 4 is a rectangular plate or a long rod or a special-shaped plate. Preferably, the support 4 has a central symmetrical structure. The length of the bracket 4 is matched with the diameter of the outer barrel 82.
The positions of the bracket 4 close to the two ends in the length direction are respectively provided with an acting force part 41 which is used for being matched with the driving module 5 to generate acting force so as to enable the bracket 4 to move along the axial direction; preferably, the force portion 41 is symmetrically disposed about the through hole 42.
The acting force part 41 is made of a metal material, and the acting force part 41 receives electromagnetic force generated when the driving module 5 is powered on, so that the bracket 4 moves downwards. The acting part 41 is a metal circular truncated cone or a metal cylinder protruding from the upper side and/or the lower side of the bracket 4.
The driving module 5 drives the bracket 4 to move through electromagnetic force, drives the clutch ring 3 sleeved on the washing shaft 1 to slide up and down, and enters and moves out of the interior of the dewatering shaft 2, the washing shaft 1 is engaged with or disengaged from the inner ring of the dewatering shaft 2 through the clutch ring 3, and when the washing shaft 1 is engaged, the dewatering shaft 2 and the washing shaft 1 rotate integrally; when the washing shaft 1 rotates, the dewatering shaft 2 and the washing shaft 1 rotate in a non-integrated mode, the clutch function of the washing machine is achieved, and the washing machine is simple in structure, small in size and small in occupied space.
A clutch spring 6 is arranged between the support 4 and the bottom of the outer barrel 82, the clutch spring 6 is sleeved on the washing shaft 1, and two ends of the clutch spring 6 are respectively abutted against the support 4 and the outer barrel 82.
When the washing machine 8 is used for dewatering, the driving module 5 is powered off, the support 4 does not bear downward force any more and does not extrude the clutch spring 6 any more, the clutch spring 6 recovers deformation, and the clutch spring 6 upwards supports and presses the support 4, so that the clutch ring 3 is meshed with the dewatering shaft 2.
The driving module 5 is disposed on an outer side of a bottom of the outer tub 82, and the bottom of the outer tub 82 is made of a non-magnetic material at a position opposite to the driving module 5. Preferably, the driving module 5 includes two electromagnet modules, and the electromagnet modules are symmetrically arranged at two sides of the bottom center of the outer tub 82.
The driving module 5 is arranged opposite to two ends of the bracket 4. The driving module 5 corresponds to the position of the force portion 41 of the bracket 4.
The distance from the driving module 5 to the washing shaft 1 is equal to the distance from the acting part 41 to the washing shaft 1.
According to the washing machine 8, the driving module 5 is not required to be arranged at the bottom of the inner barrel 81 of the washing machine and is not required to be connected with the clutch assembly, the operation is simple, the driving module can be arranged at the outer side of the outer barrel 82 of the washing machine, the internal space between the inner barrel and the outer barrel of the washing machine is saved, the size of the washing machine is reduced, the washing space of the inner barrel can be enlarged, and the washing capacity increase of the washing machine is realized.
The driving module 5 of the present invention has two electromagnet modules, which are symmetrically disposed at both sides of the bottom center of the outer tub 82, and generate electromagnetic force when powered on, and the electromagnetic force disappears when powered off. The two electromagnet modules are respectively installed at positions of the outer tub 82 opposite to the acting force parts 41 at both ends of the bracket 4.
The drive module 5 has two operating states,
the first working state is that the driving module 5 generates electromagnetic force when being electrified, drives the bracket 4 to move downwards, and downwards extrudes the clutch spring 6 to enable the dehydration shaft 2 to be disengaged from the clutch ring 3;
in the second working state, when the driving module 5 is powered off, the electromagnetic force disappears, and the clutch ring 3 is bounced by the clutch spring 6 to be engaged with the dehydrating shaft 2.
Specifically, when the driving module 5 is powered on, electromagnetic force is generated, when the distance between the support 4 and the two electromagnet modules is within a certain range, the two ends of the support 4 are pressed by the downward electromagnetic force of the driving module 5, the clutch spring 6 is pressed, the support 4 moves downward, the clutch ring 3 loses support force and is separated downward from the inside of the dehydration shaft 2, so that the dehydration shaft 2 cannot rotate integrally with the washing shaft 1, and the variable frequency motor 84 drives the impeller 83 to rotate through the washing shaft 1, so as to wash clothes.
When the driving module 5 is powered off, the electromagnetic force disappears, when the support 4 disappears under the force of the driving module 5, the clutch spring 6 disappears due to extrusion, the clutch spring 6 restores to deform upwards, props against the support 4 to move upwards, drives the clutch ring 3 to move upwards and enter the inner ring of the dewatering shaft 2, and the clutch ring 3 is meshed with the dewatering shaft 2 to enable the dewatering shaft 2 and the washing shaft 1 to rotate integrally. When the inverter motor 84 rotates, the inverter motor 84 drives the inner tub 81 to rotate, thereby dehydrating the laundry.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiments by using the technical contents disclosed above without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.