CN110924067A - Knob assembly and washing equipment - Google Patents
Knob assembly and washing equipment Download PDFInfo
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- CN110924067A CN110924067A CN201911070632.4A CN201911070632A CN110924067A CN 110924067 A CN110924067 A CN 110924067A CN 201911070632 A CN201911070632 A CN 201911070632A CN 110924067 A CN110924067 A CN 110924067A
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- 238000005406 washing Methods 0.000 title claims abstract description 34
- 230000009471 action Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 230000013011 mating Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a knob assembly and washing equipment. The invention provides a knob assembly, which comprises a base, a knob rotating around the axis of the knob relative to the base, and an automatic telescopic structure arranged on the base; the telescopic end of the automatic telescopic structure is connected with the knob and is used for driving the knob to do axial telescopic action relative to the base along the self axial direction; the invention also provides washing equipment which comprises a control panel, wherein the knob assembly is arranged on the control panel, the automatic telescopic structure can drive the knob to do telescopic action along the self axial direction, and the telescopic action of the knob cap of the knob is realized, so that the knob cap of the knob is retracted to be flush with the outer surface of the control panel, and the knob cap protrudes out of the control panel after extending out, thereby realizing the function of the knob, operating and using the knob, reducing the collision and improving the space utilization rate and the attractiveness of the washing machine.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a knob assembly and washing equipment.
Background
In the prior art, knobs are mounted on panels of some household appliances and used for selecting parameters such as required time and temperature to meet the requirements of users, so that more convenience is brought to the users; for example, a control panel of a washing machine is provided with a knob which can be used for selecting a required washing mode, washing time and the like, a knob assembly on the existing washing machine comprises the knob and a base fixed on the control panel of the washing machine, a knob shaft is arranged in a knob cap of the knob, the base is provided with a base shaft, the axial lead of the base shaft is perpendicular to the base, the knob shaft and the base shaft are inserted and matched to realize that the knob can rotate, but the knob cap of the knob is arranged to protrude out of the control panel at present, so that a user can easily collide with the knob when washing operation is carried out; the washing machine is limited to a certain extent when articles for daily use such as clothes to be washed or detergent and the like are placed on the washing machine, so that the space utilization rate is low; and the knob protrudes out of the control panel when the washing machine stops or works, so that the surface of the washing machine is not beautiful enough.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of easy bump, low space utilization rate and unattractive appearance in the prior art, and provides a knob assembly and washing equipment.
In order to solve the technical problems, the invention adopts the technical scheme that:
in one aspect of the invention, a knob assembly is provided, which comprises a base, a knob rotating around the axis of the knob relative to the base, and an automatic telescopic structure arranged on the base;
the telescopic end of the automatic telescopic structure is connected with the knob and used for driving the knob to do axial telescopic action relative to the base along the self axial direction.
Furthermore, the automatic telescopic structure comprises an electromagnetic mechanism, and the electromagnetic mechanism comprises an electromagnet arranged on the base and a permanent magnet connected with the knob;
the electromagnet and the permanent magnet are arranged oppositely in the axial direction of the knob, and the magnetic pole of the corresponding end of the electromagnet is the same as or different from that of the corresponding end of the permanent magnet when the corresponding end of the electromagnet is electrified.
Further, the knob comprises a knob cap and a knob shaft axially arranged in the knob cap, the electromagnet comprises a conductive coil and a tubular iron core arranged on the base, and the tubular iron core is coaxial with the knob; the permanent magnet is annular;
the knob shaft is rotatably inserted into the tubular iron core, the conductive coil is wound on the outer peripheral wall of the tubular iron core along the axial direction, and the annular permanent magnet is sleeved outside the knob shaft and fixed in the knob cap.
Furthermore, the automatic telescopic structure comprises a driving piece and a rack which are arranged on the base, the driving piece is provided with a rotatable output end, and the output end of the driving piece is connected with a transmission gear for driving the transmission gear to rotate;
the transmission gear is meshed with the rack, the rack slides relative to the base in the axial direction of the knob, and one end of the sliding rack forms a telescopic end and is fixedly connected with the knob.
Further, the knob comprises a knob cap and a knob shaft axially arranged in the knob cap; the rack is tubular, and the side wall of the tubular rack is provided with gear teeth which are distributed along the axial direction;
the knob shaft is rotatably inserted into the tubular rack, the tubular rack slides relative to the base along the axial direction, the telescopic end of the rack is sleeved outside the knob shaft and fixed in the knob cap, and the transmission gear is meshed with the gear teeth.
Furthermore, the top of the knob cap is provided with a positioning groove matched with the telescopic end of the annular magnet or the rack.
Further, the knob assembly also comprises a guide assembly for guiding the knob to axially extend and retract.
Further, the guide assembly comprises a first guide pipe arranged on the base, and the first guide pipe is coaxial with the knob;
the knob shaft is rotatably inserted into the first guide pipe;
the tubular iron core is sleeved outside the first guide pipe, or the tubular rack is slidably sleeved outside the first guide pipe.
Preferably, the guide assembly further comprises a second guide tube arranged on the base, and the second guide tube is coaxial with the knob;
the knob cap is slidably sleeved outside the second guide pipe, and the second guide pipe is sleeved outside the first guide pipe.
The invention also provides a washing device, which is used for improving the space utilization rate and the aesthetic property of the washing device and reducing the collision.
Furthermore, a through hole coaxial with the knob is formed in the control panel, and the knob cap of the automatic telescopic structure driving knob protrudes out of the control panel or retracts to be flush with the control panel through the through hole.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The knob component provided by the invention comprises an automatic telescopic structure connected with the knob, the knob is driven by the automatic telescopic structure to do telescopic action along the self axial direction, so that the knob cap of the knob can do telescopic action, the knob cap can be arranged to be flush with the surface of a control panel of the washing machine after being retracted, the knob function is realized after the knob cap is extended, and the knob is operated and used, so that the collision is reduced, and the space utilization rate and the attractiveness are improved.
2. The automatic telescopic structure provided by the invention comprises a tubular iron core, a conductive coil and a ring-shaped magnet, and when the automatic telescopic structure is electrified, the knob cap is driven to extend or retract by generating interaction force.
3. The automatic telescopic structure provided by the invention comprises a motor, a transmission gear and a rack, wherein the transmission gear is driven to rotate by the rotation of a motor shaft, and the transmission gear is meshed with the rack to realize the extension and retraction of a knob cap.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural diagram of a knob assembly according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a knob assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a knob assembly according to a second embodiment of the present invention.
In the figure: 1-a base; 11-a mating shaft; 2-a knob; 21-knob cap; 22-a knob shaft; 23-a sheet-like projection; 3-automatic telescopic structure; 31-an electromagnetic mechanism; 311-an electromagnet; 3111-a tubular core; 3112-a conductive coil; 312-a permanent magnet; 32-a drive member; 321-a motor; 33-a rack; 34-a transmission gear; 4-a guide assembly; 41-a first guide tube; 42-second guide tube.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
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.
The first embodiment is as follows:
as shown in fig. 1 and 2, an embodiment of the present invention provides a knob assembly, which includes a base 1, a knob 2 rotating around its axis relative to the base 1, and an automatic telescopic structure 3 disposed on the base 1;
the telescopic end of the automatic telescopic structure 3 is connected with the knob 2 and used for driving the knob 2 to do axial telescopic action relative to the base 1 along the self axial direction.
In the embodiment of the invention, the knob assembly can be used for washing equipment which can be a washing machine, the washing machine is provided with a control panel, the washing machine drives the knob 2 to axially extend and retract relative to the base 1 along the self axial direction through the automatic extending and retracting structure 3, so that the knob cap 21 of the knob 2 can do extending and retracting actions, the knob cap 21 can be arranged to be parallel and level to the surface of the control panel of the washing machine after being retracted, the knob cap 21 protrudes out of the control panel after being extended out, the function of the knob 2 is realized, and the knob 2 is operated and used, so that the collision is reduced, the space utilization rate is improved, and the attractiveness is;
the knob component can be applied to common electric appliances, can be used outside a washing machine in washing equipment, can also be used for a microwave oven and the like; the automatic telescopic structure 3 can realize that the knob 2 can be driven to do telescopic action along the self axial direction without external force, so that manual operation can be reduced, the automatic telescopic structure 3 drives the knob 2 to do telescopic action so as to realize that the knob cap 21 can do telescopic action, the telescopic action is that the knob cap 21 is relative to a control panel of the washing machine, the extension of the knob cap 21 refers to the protrusion of the control panel, and the retraction refers to the surface flush with the control panel; the base 1 is used to stabilize the rotation of the knob 2 and the extension and retraction of the knob cap 21.
As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the automatic telescopic structure 3 includes an electromagnetic mechanism 31, and the electromagnetic mechanism 31 includes an electromagnet 311 disposed on the base 1 and a permanent magnet 312 connected to the knob 2;
the electromagnet 311 and the permanent magnet 312 are arranged opposite to each other in the axial direction of the knob 2, and the corresponding end of the electromagnet 311 has the same or different magnetic pole when being electrified as that of the corresponding end of the permanent magnet 312.
In the embodiment of the present invention, the automatic telescopic structure 3 includes an electromagnetic mechanism 31, the electromagnetic mechanism 31 is a sensing element of an electromagnetic low-voltage apparatus, and mainly functions to convert electrical energy into mechanical energy by an electromagnetic induction principle, when the electromagnetic mechanism is powered on, the electromagnet 311 has a current to generate a magnetic field, so that a magnetic pole at a corresponding end of the electromagnet 311 is the same as a magnetic pole at a corresponding end of the permanent magnet 312, and thus a repulsive force is generated between the electromagnet 311 and the permanent magnet 312 to drive the permanent magnet 312 to move in a direction away from the electromagnet 311, and the movement of the permanent magnet 312 drives the knob to move, so that the knob 2 does an extending action; the direction of the current is changed to change the direction of the magnetic field, the magnetic pole at the end corresponding to the electromagnet 311 is different from the magnetic pole at the end corresponding to the permanent magnet 312, an attractive force is generated between the electromagnet 311 and the permanent magnet 312, the permanent magnet 312 is driven to move towards the direction close to the electromagnet 311, so that the knob 2 performs a retracting action, and for the automatic telescopic structure 3 in this embodiment, the driving force generated by the automatic telescopic structure 3 is an electromagnetic force.
As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the knob 2 includes a knob cap 21 and a knob shaft 22 axially disposed in the knob cap 21, the electromagnet 311 includes a conductive coil 3112 and a tubular iron core 3111 disposed on the base 1, and the tubular iron core 3111 is coaxial with the knob 2; the permanent magnet 312 is annular;
the knob shaft 22 is rotatably inserted into the tubular core 3111, the conductive coil 3112 is wound around the outer peripheral wall of the tubular core 3111 in the axial direction, and the annular permanent magnet 312 is fitted around the knob shaft 22 and fixed in the knob cap 21.
In the embodiment of the present invention, the base 1 is further provided with a matching shaft 11, the matching shaft 11 is coaxially disposed in the tubular iron core 3111, the rotating knob shaft 22 extends along the axial direction of the knob 2, the knob shaft 22 extends into the tubular iron core 3111 to be inserted and matched with the matching shaft 11, so that the knob shaft 22 can rotate on the base 1, and the knob shaft 22, the tubular iron core 3111 and the matching shaft 11 are coaxial;
the knob assembly also comprises a guide assembly 4 for guiding the knob shaft 22 to stretch and retract, so that the stretching and retracting of the knob 2 are prevented from being misplaced; the guide assembly 4 includes a first guide tube 41 provided with a base 1, the first guide tube 41 is coaxial with the knob 2, the matching shaft 11 is provided in the first guide tube 41, the knob shaft 22 is rotatably inserted into the first guide tube 41 to rotate in cooperation with the matching shaft 11, the tubular iron core 3111 is provided on the outer wall of the first guide tube 41, the tubular iron core 3111 is fixed on the first guide tube 41, the conductive coil 3112 is wound on the outer wall of the tubular iron core 3111 along the axial direction of the tubular iron core 3111, and the two form a part of the electromagnetic mechanism 31, and the permanent magnet 312 coaxially sleeved on the knob shaft 22 forms a part of the electromagnetic mechanism 31;
when the washing machine works, the conductive coil 3112 is electrified to enable the tubular iron core 3111 to generate a magnetic field, magnetic poles of the corresponding ends of the conductive coil 3112 and the tubular iron core 3111 are the same as those of the corresponding end of the permanent magnet 312, repulsion force is generated between the electromagnet 311 and the permanent magnet 312, the tubular iron core 3111 is fixed on the first guide pipe 41, the tubular iron core 3111 does not slide on the first guide pipe 41, the annular permanent magnet 312 moves towards the direction far away from the tubular iron core 3111 under the action of the repulsion force, and the annular magnet is fixedly connected with the knob cap 21, so that the movement of the annular permanent magnet 312 can drive the knob 2 to do extension action, the knob cap 21 of the knob 2 extends out of the control panel; the current direction is changed, so that the magnetic field direction is changed, the magnetic poles of the corresponding ends of the conductive coil 3112 and the tubular iron core 3111 are different from the magnetic pole of the corresponding end of the permanent magnet 312, so that attraction is generated between the electromagnet 311 and the permanent magnet 312, the tubular iron core 3111 is fixed on the first guide tube 41, the tubular iron core 3111 does not slide on the first guide tube 41, the annular permanent magnet 312 moves towards the direction close to the tubular iron core 3111 under the action of the attraction, and the annular magnet is fixedly connected with the knob cap 21, so that the knob 2 can be driven to retract by the movement of the annular permanent magnet 312, the knob cap 21 of the knob 2 retracts, the annular magnet restores to the original position, and the knob cap 21 is flush with the control panel;
the ring magnet includes two ring portions, a first ring portion which is formed of a plurality of concentric first ring surfaces and has an N pole, a second ring portion which is formed of a plurality of concentric second ring surfaces and has an S pole, and when it is mounted, it is necessary to face the first ring surface or the second ring surface toward the tubular magnet, and as to which ring surface faces the corresponding end of the tubular core 3111, it is necessary to generate which magnetic pole according to which magnetic pole the tubular core 3111 is energized, as long as it is ensured that the magnetic pole facing the ring surface of the tubular core 3111 is the same as or different from the magnetic pole the corresponding end of the tubular core 3111 has when energized, and like magnetic poles are arranged with each other and unlike magnetic poles are attracted to each other;
the tubular iron core 3111 in the electromagnetic mechanism 31 is long tubular, which can increase the fixing area between the tubular iron core 3111 and the first guide tube 41, increase the stability of the tubular iron core 3111 on the first guide tube 41 when the power is on, and avoid the influence of shaking caused by the interference of the reaction force on the extension and retraction of the knob cap 21;
the annular magnet can be fixed on the knob shaft 22 by being sleeved on the knob shaft 22 and is fixedly connected with the knob cap 21, or the annular magnet is sleeved on the knob shaft 22 and can move on the knob shaft 22 and is fixedly connected with the knob cap 21;
the ring magnet is fixed to the knob cap 21 as follows: in the knob cap 21, the top of the knob cap 21 is provided with a positioning groove surrounding the knob shaft 22, the annular magnet penetrates through the knob shaft 22 and is inserted into the positioning groove, the annular magnet can be completely inserted into the positioning groove or partially inserted into the positioning groove, and in order to not affect the acting force generated between the annular magnet and the tubular iron core 3111, the annular magnet is preferably partially inserted into the positioning groove, and in addition, the partial insertion can also facilitate the detachment and installation of the magnet;
and the formation of the positioning groove may be: in the knob cap 21, the top wall of the knob cap 21 is provided with a plurality of protruding sheet-shaped bulges 23, the plurality of sheet-shaped bulges 23 are arranged around the knob shaft 22, each sheet-shaped bulge 23 is provided with a notch, and a plurality of notches form a positioning groove.
As shown in fig. 1 and 2, in the embodiment of the present invention, the guiding assembly 4 includes a second guiding tube 42 disposed on the base 1, the second guiding tube 42 is coaxial with the knob, and the knob cap 21 slidably covers the second guiding tube 42 and the first guiding tube 41.
In the embodiment of the invention, the second guide tube 42 is sleeved outside the first guide tube 41, the knob cap 21 can slide on the outer wall of the second guide tube 42 under the driving of the automatic telescopic structure 3 to realize the telescopic action, and the second guide tube 42 has a guide effect on the sliding of the knob cap 21 of the knob 2, so that the sliding and telescopic action of the knob cap 21 is avoided from being misplaced.
Example two:
as shown in fig. 1 and 3, the technical solution of the present embodiment is different from the technical solution of the first embodiment in the automatic telescopic structure 3; in the embodiment of the present invention, the automatic telescopic structure 3 includes a driving member 32 and a rack 33 which are arranged on the base 1, the driving member 32 has a rotatable output end, and the output end of the driving member 32 is connected with a transmission gear 34 for driving the transmission gear 34 to rotate;
the transmission gear 34 is meshed with the rack 33, the rack 33 slides relative to the base 1 in the axial direction of the knob 2, and one end of the sliding rack 33 forms a telescopic end and is fixedly connected with the knob 2.
In the embodiment of the invention, when power is on, the driving part 32 drives the output end to rotate, the output end rotates to drive the transmission gear 34 to rotate, the transmission gear 34 is meshed with the rack 33, the rotation of the transmission gear 34 drives the rack 33 to do linear motion in one direction, the linear motion of the rack 33 drives the knob 2 to do linear extension motion, the rotation direction of the output end is changed, the rotation of the output end drives the transmission gear 34 to rotate, the transmission gear 34 is meshed with the rack 33, the rotation of the transmission gear 34 drives the rack 33 to do linear motion in the other direction, and the linear motion of the rack 33 drives the knob 2 to do linear retraction motion.
As shown in fig. 1 and 3, in the embodiment of the present invention, the knob 2 includes a knob cap 21 and a knob shaft 22 axially disposed within the knob cap 21; the rack 33 is tubular, and the side wall of the tubular rack 33 is provided with gear teeth which are arranged along the axial direction;
the knob shaft 22 is rotatably inserted into the tubular rack 33, the tubular rack 33 slides relative to the base 1 along the axial direction, the telescopic end of the rack 33 is sleeved outside the knob shaft 22 and fixed in the knob cap 21, and the transmission gear 34 is meshed with the gear teeth.
In the embodiment of the invention, the base 1 is further provided with a matching shaft 11, the matching shaft 11 is coaxially arranged in a tubular rack 33, the rotary knob shaft 22 extends along the axial direction of the knob 2, the knob shaft 22 extends into the tubular rack 33 to be inserted and matched with the matching shaft 11 to realize the rotation of the knob shaft 22 on the base 1, and the knob shaft 22, the tubular rack 33 and the matching shaft 11 are coaxial;
the knob assembly also comprises a guide assembly 4 for guiding the knob shaft 22 to stretch and retract, so that the stretching and retracting of the knob 2 are prevented from being misplaced; the guide assembly 4 comprises a first guide tube 41 provided with the base 1, the first guide tube 41 is coaxial with the knob 2, the matching shaft 11 is arranged in the first guide tube 41, the knob shaft 22 is rotatably inserted into the first guide tube 41 to be matched with the matching shaft 11 for rotation, the tubular rack 33 is sleeved outside the first guide tube 41, and the rack 33 is connected with the first guide tube 41 in a sliding manner;
when the washing machine works, the motor is electrified, the motor 321 rotates axially in one direction to drive the transmission gear 34 to rotate in one direction, the transmission gear 34 is meshed with the rack 33, the rack 33 is driven to do linear motion in one direction by the rotation of the transmission gear 34, the knob 2 is driven to do linear extension motion by the linear motion of the rack 33, the rotating direction of the motor shaft is changed, the transmission gear 34 is driven to rotate by the rotation of the motor shaft, the transmission gear 34 is meshed with the rack 33, the rack 33 is driven to do linear motion in the other direction by the rotation of the transmission gear 34, and the knob 2 is driven to do linear retraction motion by the linear motion of the rack 33;
it should be noted that the transmission gear 34 is disc-shaped and includes a transmission disc and a plurality of transmission teeth, the transmission disc is coaxial with the motor shaft, and the plurality of transmission teeth are distributed on the outer circumferential wall of the transmission disc along the circumferential direction of the transmission disc; the gear teeth on the rack 33 are linearly arranged along the axial direction of the rack 33, and a V-shaped tooth groove is formed between every two adjacent gear teeth, so that the transmission teeth on the transmission disc are matched with the V-shaped tooth groove in shape, and the V-shaped tooth groove can be better meshed with the transmission teeth;
the telescopic end of the rack 33 is sleeved outside the knob shaft 22 and can move on the knob shaft 22, and is fixedly connected with the knob cap 21; the telescopic end of the rack 33 is fixedly connected with the knob cap 21 in the following way: in the knob cap 21, a positioning groove surrounding the knob shaft 22 is arranged at the top of the knob cap 21, and the telescopic end of the rack 33 penetrates through the knob shaft 22 and is inserted into the positioning groove;
and the formation of the positioning groove may be: in the knob cap 21, the top wall of the knob cap 21 is provided with a plurality of protruding sheet-shaped bulges 23, the plurality of sheet-shaped bulges 23 are arranged around the knob shaft 22, each sheet-shaped bulge 23 is provided with a notch, and a plurality of notches form a positioning groove;
the motor 321 is fixed on the outer wall of the first guiding tube 41, and the transmission gear 34 is arranged on the motor shaft and meshed with the rack 33.
As shown in fig. 1 and 3, in the embodiment of the present invention, the guiding assembly 4 includes a second guiding tube 42 disposed on the base 1, the second guiding tube 42 is coaxial with the knob 2, and the knob cap 21 is slidably sleeved outside the second guiding tube 42.
In the embodiment of the invention, the second guide tube 42 is sleeved outside the first guide tube 41, the knob cap 21 can slide on the outer wall of the second guide tube 42 under the driving of the automatic telescopic structure 3 to realize the telescopic action, the second guide tube 42 has a guide effect on the sliding of the knob cap 21 of the knob 2, and the sliding telescopic action of the knob cap 21 is avoided from being misplaced;
the invention also provides a washing machine, which comprises a control panel and the knob assembly provided by the technical scheme, wherein the knob assembly is arranged on the control panel, and the automatic telescopic structure 3 drives the knob cap 21 of the knob to do telescopic action relative to the control panel;
the control panel is provided with a through hole coaxial with the knob 2, and the automatic telescopic structure 3 drives the knob cap 21 of the knob 2 to extend out of the control panel or retract to be flush with the control panel through the through hole.
In the embodiment of the invention, the automatic telescopic structure 3 drives the knob 2 to do telescopic action on the control panel along the self axial direction, the automatic telescopic structure 3 drives the knob cap 21 to do stretching action, and the knob cap 21 stretches out through the through hole and protrudes out of the control panel, so that the knob 2 can be normally operated and used; automatic extending structure 3 drive knob cap 21 seat withdrawal action, knob cap 21 passes through the through-hole withdrawal, the surface parallel and level with control panel that retracts to improve space utilization and aesthetic property, reduce and collide with.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A knob assembly comprises a base and a knob rotating around the axis of the knob assembly relative to the base, and is characterized by also comprising an automatic telescopic structure arranged on the base;
the telescopic end of the automatic telescopic structure is connected with the knob and used for driving the knob to do axial telescopic action relative to the base along the self axial direction.
2. The knob assembly according to claim 1, wherein the automatic retracting mechanism comprises an electromagnetic mechanism including an electromagnet disposed on the base and a permanent magnet coupled to the knob;
the electromagnet and the permanent magnet are arranged oppositely in the axial direction of the knob, and the magnetic pole of the corresponding end of the electromagnet is the same as or different from that of the corresponding end of the permanent magnet when the corresponding end of the electromagnet is electrified.
3. The knob assembly according to claim 2, wherein the knob includes a knob cap and a knob shaft axially disposed within the knob cap, the electromagnet includes a conductive coil and a tubular core disposed in the base, the tubular core is coaxial with the knob; the permanent magnet is annular;
the knob shaft is rotatably inserted into the tubular iron core, the conductive coil is wound on the outer peripheral wall of the tubular iron core along the axial direction, and the annular permanent magnet is sleeved outside the knob shaft and fixed in the knob cap.
4. The knob assembly according to claim 1, wherein the automatic telescopic structure comprises a driving member and a rack, the driving member is disposed on the base and has a rotatable output end, and the output end of the driving member is connected to a transmission gear for driving the transmission gear to rotate;
the transmission gear is meshed with the rack, the rack slides relative to the base in the axial direction of the knob, and one end of the sliding rack forms a telescopic end and is fixedly connected with the knob.
5. The knob assembly according to claim 4, wherein the knob includes a knob cap and a knob shaft axially disposed within the knob cap; the rack is tubular, and the side wall of the tubular rack is provided with gear teeth which are distributed along the axial direction;
the knob shaft is rotatably inserted into the tubular rack, the tubular rack slides relative to the base along the axial direction, the telescopic end of the rack is sleeved outside the knob shaft and fixed in the knob cap, and the transmission gear is meshed with the gear teeth.
6. The knob assembly according to claim 3 or 5, wherein the top of the knob cap is provided with a positioning groove adapted to the telescopic end of the ring-shaped magnet or the rack.
7. The knob assembly according to claim 3 or 5, further comprising a guide assembly for guiding axial extension and retraction of the knob.
8. The knob assembly according to claim 7, wherein the guide assembly includes a first guide tube provided to the base, the first guide tube being coaxial with the knob;
the knob shaft is rotatably inserted into the first guide pipe;
the tubular iron core is sleeved outside the first guide pipe, or the tubular rack is slidably sleeved outside the first guide pipe;
preferably, the guide assembly further comprises a second guide tube arranged on the base, and the second guide tube is coaxial with the knob;
the knob cap is slidably sleeved outside the second guide pipe, and the second guide pipe is sleeved outside the first guide pipe.
9. Washing apparatus comprising a control panel, further comprising a knob assembly according to any one of claims 1 to 8, said knob assembly being provided on said control panel.
10. The washing apparatus as claimed in claim 9, wherein the control panel has a through hole coaxial with the knob, and the knob cap of the automatic retractable structure driving knob protrudes out of the control panel or retracts to be flush with the control panel through the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070632.4A CN110924067A (en) | 2019-11-05 | 2019-11-05 | Knob assembly and washing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070632.4A CN110924067A (en) | 2019-11-05 | 2019-11-05 | Knob assembly and washing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110924067A true CN110924067A (en) | 2020-03-27 |
Family
ID=69852352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911070632.4A Pending CN110924067A (en) | 2019-11-05 | 2019-11-05 | Knob assembly and washing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110924067A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004030951A (en) * | 2002-06-21 | 2004-01-29 | Clarion Co Ltd | Switch device |
| JP2005228038A (en) * | 2004-02-13 | 2005-08-25 | Alps Electric Co Ltd | Operation device for electronic equipment |
| JP2007064432A (en) * | 2005-09-01 | 2007-03-15 | Honda Motor Co Ltd | Shift device of automatic transmission |
| CN101503925A (en) * | 2009-01-23 | 2009-08-12 | 宁波永发集团有限公司 | Telescopic knob mechanism for safe |
| CN204438236U (en) * | 2015-01-23 | 2015-07-01 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
| CN107641937A (en) * | 2017-09-26 | 2018-01-30 | 青岛海高设计制造有限公司 | A kind of indicating knob, program for washing indicating means and washing machine |
-
2019
- 2019-11-05 CN CN201911070632.4A patent/CN110924067A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004030951A (en) * | 2002-06-21 | 2004-01-29 | Clarion Co Ltd | Switch device |
| JP2005228038A (en) * | 2004-02-13 | 2005-08-25 | Alps Electric Co Ltd | Operation device for electronic equipment |
| JP2007064432A (en) * | 2005-09-01 | 2007-03-15 | Honda Motor Co Ltd | Shift device of automatic transmission |
| CN101503925A (en) * | 2009-01-23 | 2009-08-12 | 宁波永发集团有限公司 | Telescopic knob mechanism for safe |
| CN204438236U (en) * | 2015-01-23 | 2015-07-01 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
| CN107641937A (en) * | 2017-09-26 | 2018-01-30 | 青岛海高设计制造有限公司 | A kind of indicating knob, program for washing indicating means and washing machine |
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