CN211698759U

CN211698759U - Knob and household appliance

Info

Publication number: CN211698759U
Application number: CN202020136857.7U
Authority: CN
Inventors: 江太阳; 谢昭家; 江德勇; 郑量; 罗绍生; 王云峰; 王帅
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-16
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to a knob and a household appliance, wherein the knob comprises a base body and a rotating part sleeved on the base body in a rotating way, the rotating part comprises a first surface opposite to the base body, and the base body comprises a second surface opposite to the first surface; one of the first surface and the second surface is provided with at least one elastic bulge, and the other of the first surface and the second surface is formed with a concave-convex structure; the rotating part rotates relative to the base body, and the elastic protrusions slide along the concave-convex structure. The utility model provides a knob and have this knob's domestic appliance, in the user's use knob's process, there is the rotational resistance that has the change, and the rotatory pause and pause is hindered and is felt obviously, makes the user have good feeling experience; furthermore, the utility model provides a knob simple structure, and the cost is lower.

Description

Knob and household appliance

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a knob and domestic appliance.

Background

With the improvement of living standard of people, the consumer market of household appliances has been developed greatly, and many household appliances in the market have knob structures. Such as water heaters, gas ranges, microwave ovens, washing machines, etc., knobs are generally used to adjust temperature, fire, time, etc.

In the prior art, a knob is usually attracted to a corresponding position on a panel of a household appliance through an attraction piece such as a magnet, and the function of operating a control panel on the other side of the panel in a state that the knob is separated from the panel is realized by using the principles of capacitive touch keys, magnetic field induction and the like. However, in the process of rotating the knob by a user, the rotation resistance of the conventional knob is not changed all the time, so that the rotation pause feeling is not obvious enough, and the user lacks hand feeling when rotating the knob.

Therefore, in order to solve the above problems, a new knob and a new household appliance must be designed.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the present invention provides a knob, comprising: the rotary component comprises a first surface opposite to the seat body, and the seat body comprises a second surface opposite to the first surface; one of the first surface and the second surface is provided with at least one elastic bulge, and the other of the first surface and the second surface is formed with a concave-convex structure; the rotating component rotates relative to the base body, and the elastic protrusions slide along the concave-convex structure.

As a further improvement of the present invention, the rotating member includes a knob inner side surface surrounding the rotating shaft, the knob inner side surface being the first surface; the base body comprises a base body outer side surface surrounding the rotating shaft, and the base body outer side surface is the second surface.

As a further improvement of the present invention, the second surface is provided with at least one spring, each of which is formed with one of the elastic protrusions.

As a further improvement of the present invention, at least one elastic member is provided in the second surface, each sphere is connected to the elastic member, the sphere protrudes from the second surface, one the elastic member and one the sphere constitutes one the elastic protrusion.

As a further improvement of the present invention, the pedestal includes an insertion portion and a connecting portion connected to each other, the rotating member includes a step portion and an outer ring portion connected to each other, the insertion portion is inserted and located the step portion, the outer ring portion is sleeved on the connecting portion, the step surface of the step portion is the first surface, the connecting portion and the surface opposite to the step surface are the second surface.

As a further improvement of the present invention, the second surface is provided with a spring, the periphery of the spring is provided with at least one elastic arm, one the free end of the elastic arm is formed with one the elastic protrusion.

As a further improvement of the present invention, the concave-convex structure uses the rotation axis of the rotating member as a center axis, and the included angle between the adjacent protrusions in the concave-convex structure is 1.5 ° to 180 °.

As a further improvement of the utility model, the knob includes the adsorption piece, the adsorption piece sets up on the pedestal.

As a further improvement, the pedestal is provided with a sensing member, the sensing member is along the rotation axis direction of the rotating part is worn to locate the pedestal.

The utility model also provides a domestic appliance, domestic appliance includes as above-mentioned the knob.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a knob and have this knob's domestic appliance, in the user's use knob's process, there is the rotational resistance that has the change, and the rotatory pause and pause is hindered and is felt obviously, makes the user have good feeling experience; furthermore, the utility model provides a knob simple structure, and the cost is lower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

FIG. 1 is a diagram showing the variation trend of the rotary resistance of the knob according to the present invention;

fig. 2 is an exploded view of a first embodiment of the knob of the present invention;

fig. 3 is a top view of a first embodiment of a knob of the present invention;

fig. 4 is a schematic view of the knob of the present invention corresponding to the section a-a in fig. 3;

fig. 5 is a side view of a first embodiment of a knob of the present invention;

fig. 6 is a schematic sectional view of the knob of the present invention corresponding to the sectional view B-B of fig. 5;

fig. 7 is an exploded view of a second embodiment of the knob of the present invention;

fig. 8 is a side view of a second embodiment of a knob of the present invention;

fig. 9 is a schematic cross-sectional view of the knob of the present invention corresponding to fig. 8;

fig. 10 is an exploded view of a third embodiment of the knob of the present invention;

fig. 11 is a top view of a third embodiment of a knob of the present invention;

fig. 12 is a schematic cross-sectional view of the knob of the present invention corresponding to fig. 11D-D;

fig. 13 is an exploded view of a knob according to a fourth embodiment of the present invention;

fig. 14 is a top view of a fourth embodiment of a knob of the present invention;

fig. 15 is a schematic view of the knob of the present invention corresponding to the cross-section E-E of fig. 14;

fig. 16 is a schematic structural diagram of an embodiment of the household appliance of the present invention;

100-knob; 1-a seat body; 11-a second surface; 12-a plug-in part; 13-a connecting part; 2-a rotating member; 21-a first surface; 22-a step portion; 23-an outer collar portion; 3-elastic bulges; 4-a relief structure; 5-reed; 6-an elastic member; 7-sphere; 8-a resilient arm; 9-an adsorbing member; 10-a sensing element.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

In addition, if there is a description relating to "first", "second", etc. in the embodiments 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a household appliance, which comprises a knob 100. Specifically, the household appliance further includes a panel and a control board disposed on the other side of the panel opposite to the knob 100, and a surface of the panel is provided with a knob 100 positioning area for mounting the knob 100. In a case where the knob 100 is mounted in the knob 100 positioning region, the control board is used to control the operation of the home appliance according to the rotation information of the knob 100, thereby implementing a function of operating the control board on the other side of the panel with the knob 100 being interposed therebetween.

It should be noted that the household appliances include, but are not limited to, water heaters, gas stoves, microwave ovens, washing machines, ovens, refrigerators, air conditioners, water dispensers, electric rice cookers, induction cookers, cooking machines, and the like. Also, panels include, but are not limited to, glass panels, metal panels, and the like.

For example, in an application scenario, the household appliance may be a water dispenser, the knob 100 is a temperature control knob 100, the knob 100 has gears corresponding to different temperatures, and a user can adjust different outlet water temperatures of the water dispenser by rotating the knob 100.

For another example, in another application scenario, the household appliance may also be a cooking machine, the button 100 is a cooking mode button, and a user may select different cooking modes, such as a soup cooking mode, a frying mode, a hot pot mode, and the like, when operating the button 100, so as to implement multiple cooking functions of the cooking machine.

Referring to fig. 2-15, the knob 100 includes a base 1 and a rotating member 2 rotatably sleeved on the base 1, the rotating member 2 includes a first surface 21 opposite to the base 1, and the base 1 includes a second surface 11 opposite to the first surface 21; one of the first surface 21 and the second surface 11 is provided with at least one elastic projection, and the other of the first surface 21 and the second surface 11 is formed with a relief structure 4; the rotating part 2 rotates relative to the base 1, and the elastic protrusions slide along the concave-convex structure 4.

Specifically, the concave-convex structure 4 includes a plurality of protrusions arranged at intervals, and a groove is formed between two adjacent protrusions at intervals. When the protruding height of the protrusions in the concave-convex structure 4 is higher, the rotation resistance is higher, the hand feeling strength of a user is higher, the rotation pause feeling is more obvious, and when the gap between the adjacent protrusions is larger, the interval time between the front pause feeling and the back pause feeling is longer when the user rotates the knob 100 at a constant speed; conversely, the lower the protruding height of the protrusions in the concavo-convex structure 4, the smaller the rotation resistance, the smaller the strength of the user's hand feeling, and the less noticeable the rotation setback, and the shorter the interval time between the two setbacks when the user rotates the knob 100 at a uniform speed, as the gap between the adjacent protrusions is smaller. Therefore, the protruding height of the protrusions in the concave-convex structure 4 and the size of the gap between adjacent protrusions can be adjusted according to specific use requirements, and are not further limited herein.

Further, in order to allow the rotational resistance to be regularly changed when the user rotates the knob 100, the protrusion height of the protrusions and the gap between adjacent protrusions may be regularly changed.

In the following embodiments, the concave-convex structure 4 is disposed with the rotation axis of the rotating component 2 as the central axis, and the included angle between the adjacent protrusions in the concave-convex structure 4 is 1.5 ° to 180 °, for example, the included angle between the adjacent protrusions in the concave-convex structure 4 may be 20 ° or 50 ° or 80 ° or 100 °.

Through the slip of elastic bulge along concave-convex structure 4 for a plurality of archs in concave-convex structure 4 are stirred along the direction of rotation to elastic bulge, and when elastic bulge rotated to the recess from the arch in concave-convex structure 4 at every turn, or when the recess rotated to protruding from concave-convex structure 4, the rotational resistance of user's rotatory knob 100 all changed. In the following embodiments, as shown in fig. 1, when the elastic protrusions sequentially shift the protrusions of the concave-convex structure 4, the rotation resistance of the user to rotate the knob 100 is regularly changed in a wavy line.

In detail, when the elastic protrusions pass through the grooves in the concave-convex structure 4, the rotation resistance is a value corresponding to the wave trough of the wavy line in the figure; when the elastic protrusions pass the protrusions in the concavo-convex structure 4, the rotational resistance is a value corresponding to the wave crest of the wavy line in the figure. In the following embodiments, the rotational resistance value corresponding to the wave line crest is 102 to 300% of the rotational resistance value corresponding to the wave line trough.

And, further, when rotary part 2 did not rotate, the elastic bulge can stop in the recess in concave-convex structure 4, and recess rotational position to rotary part 2 has certain limiting displacement promptly, from this the utility model discloses a recess in knob 100 corresponds concave-convex structure 4 can set up a plurality of gears to utilize the above-mentioned limiting displacement of recess to realize the accurate regulation of a plurality of gears in concave-convex structure 4, avoid appearing the condition that excessively rotatory knob 100 or knob 100 did not rotate to the position, make the utility model discloses a gear sense is clear.

In addition, the number of the elastic protrusions may be adjusted according to the magnitude of the rotation resistance required for the knob 100. Theoretically, the larger the number of the elastic protrusions is, the larger the maximum value of the rotational resistance required to rotate the knob 100 is, the more obvious the rotational jerk feeling is, and the clearer the shift feeling is.

Therefore, the utility model provides a knob 100 and have this knob 100's domestic appliance, in the user use, the rotation resistance is the regularity change, and the rotatory pause and pause is hindered and is felt obviously, makes the user have good feeling experience; furthermore, the utility model provides a knob 100 simple structure, and the cost is lower.

Optionally, in addition, the utility model provides a knob 100 is still including setting up the response piece 10 in pedestal 1, and the rotation axis direction of rotation part 2 is worn to locate pedestal 1 by response piece 10. Specifically, pedestal 1 constitutes a holding chamber, and this holding chamber is the through-hole structure, and response piece 10 sets up to wearing to locate the button assembly of holding intracavity, so that the utility model discloses a knob 100 both can carry out the rotation operation, also can carry out the button operation. Wherein, the button assembly is a conductor, and the seat body 1 is made of insulating material.

In addition, the knob 100 further comprises a suction member 9 for mounting the knob 100 to the panel so that the housing 1 of the knob 100 is directly or indirectly sucked to the panel of the electric home appliance. This adsorbs piece 9 and sets up in pedestal 1 to, above-mentioned adsorbing piece 9 can set up to permanent magnet, sucking disc, double faced adhesive tape, magic subsides etc. as long as reach and adsorb knob 100 on domestic appliance's panel effect, can realize the utility model discloses a purpose does not do the restriction here.

In particular, the above-mentioned adsorption member may also be configured as an armature in the button assembly or the base 1, and is integrally formed with the button assembly or the base 1, that is, the armature is a part of the button assembly or the base 1, and the magnet disposed in the household appliance main machine generates an attraction force to the armature to realize the installation of the knob 100 and the panel.

The structure of the present invention will be further explained by using four specific embodiments:

as shown in fig. 2 to 6, in the first embodiment of the present invention, the rotating member 2 includes a knob inner side surface surrounding the rotating shaft, which is the first surface 21; the seat body 1 comprises a seat body outer side surface surrounding the rotating shaft, and the seat body outer side surface is a second surface 11. Specifically, the concave-convex structure 4 is formed on the inner side surface of the knob, i.e. the first surface 21, and the outer side surface of the seat body, i.e. the second surface 11, is provided with at least one elastic protrusion. Of course, in another embodiment of the present invention, the knob inner side surface, i.e. the first surface 21, can also be provided with at least one elastic protrusion, and accordingly, the seat outer side surface, i.e. the second surface 11, is formed with the concave-convex structure 4, which can also achieve the object of the present invention.

Furthermore, at least one spring plate 5 is arranged on the outer side surface of the base body, namely the second surface 11, and each spring plate 5 is provided with an elastic bulge. Specifically, as shown in fig. 2, the spring 5 is extended in a bending shape and has 2 pieces, and accordingly, the number of the elastic protrusions is also 2 pieces. Moreover, the surface of the concave-convex structure 4 in this embodiment is a vertical surface parallel to the rotation axis, that is, the inner side surface of the knob is a vertical surface, and the elastic protrusions of the spring 5 are also arranged along the direction parallel to the rotation axis and protrude from the spring 5 so as to be able to slide along the concave-convex structure 4.

Of course, in other application scenarios of this embodiment, reed 5 also can be other shape settings, and reed 5 quantity and elastic bulge's quantity also can be other arbitrary, as long as reach when rotary part 2 is rotatory relative pedestal 1, elastic bulge along the gliding effect of concave-convex structure 4, can realize the utility model discloses an aim.

In the present embodiment, the button assembly described above is further provided so that the knob 100 in the present embodiment can be operated by rotating or pressing the button.

As shown in fig. 7-9, in the second embodiment of the present invention, the difference from the first embodiment is that at least one elastic member 6 is disposed on the outer side surface of the seat body, i.e. the second surface 11, and each elastic member 6 is connected to a ball 7, and the ball 7 protrudes from the second surface 11. I.e. the resilient protrusions in this embodiment are the balls 7 described above. When the user rotates the knob 100, the ball 7 moves close to or away from the seat body 1 under the action of the elastic element 6, and slides along the concave-convex structure 4 under the action of the external force of the user, so that the rotation resistance is changed regularly.

Specifically, in the present embodiment, the elastic member 6 is a spring. Of course, in other application scenarios of this embodiment, the elastic member 6 can also be other elastic structures, as long as it reaches when spheroid 7 slides along concave-convex structure 4 for the rotation resistance is the effect of regularity change, can realize the utility model discloses an aim.

Moreover, the sphere 7 connected to the elastic member 6 may also be in other shapes and structures, such as a cube, a hexahedron, etc., which all achieve the effects of the present invention.

Similarly, in other application scenarios of this embodiment, the elastic element 6 and the ball 7 connected to the elastic element 6 can also be disposed on the first surface 21, i.e. the inner side surface of the knob of the rotating component 2, and accordingly, the concave-convex structure 4 is disposed on the second surface 11, i.e. the outer side surface of the seat body, which can also achieve the purpose of the present invention.

As shown in fig. 10-12, in the third embodiment of the present invention, the difference from the first embodiment is that the seat body 1 includes the insertion part 12 and the connection part 13 connected to each other, the rotating member 2 includes the step part 22 and the outer ring part 23 connected to each other, the insertion part 12 is inserted into the step part 22, the outer ring part 23 is sleeved on the connection part 13, the step surface of the step part 22 is the first surface 21, and the surface of the connection part 13 opposite to the step surface is the second surface 11.

The concavo-convex structure 4 in the embodiment is provided on the first surface 21, i.e., the step surface, the spring plate 5 is provided on the second surface 11, and the spring plate 5 is provided at the periphery thereof with at least one elastic arm 8, and an elastic projection is formed on the free end of one elastic arm 8. In particular, the leaf 5 is of a flat closed annular configuration and has two elastic arms 8, and correspondingly, two elastic projections. Also, specifically, the first surface 21 forming the concave-convex structure 4 in the present embodiment is a horizontal surface perpendicular to the rotation axis. Of course, in other application scenarios of the present embodiment, the first surface 21 may also be set as an inclined surface, and the object of the present invention can also be achieved.

Of course, in other application scenarios of the present embodiment, the concave-convex structure 4 can also be disposed on the second surface 11, and the reed 5 is disposed on the first surface 21, i.e. the step surface, which can also achieve the objective of the present invention. And, reed 5 also can be other shapes settings, and elastic arm 8 and elastic bulge's quantity also can be other arbitrary, as long as reach when rotary part 2 is rotatory relative pedestal 1, elastic bulge along the gliding effect of concave-convex structure 4, can realize the utility model discloses a purpose.

As shown in fig. 13 to 15, in the fourth embodiment of the present invention, the difference from the third embodiment is that the knob 100 provided in the present embodiment is not provided with a button assembly, that is, the knob 100 in the present embodiment can only be rotated.

To sum up, the utility model provides a knob 100 and have this knob 100's domestic appliance, in the user use, the rotation resistance is the regularity change, and the rotatory pause and pause feeling is obvious, makes the user have good feeling experience; further, the utility model provides a 100 gears of knob are clear, have improved the accuracy that the gear was regulated and control, avoid the user to appear the condition of excessively rotating knob 100 or knob 100 not rotating to the right position; furthermore, the utility model provides a knob 100 simple structure, and the cost is lower.

The utility model discloses still provide a domestic appliance, like figure 15, figure 15 is the utility model discloses the structural schematic of domestic appliance an embodiment. The household appliance 300 comprises the knob 100 and the panel 200, the knob 100 rotates on the panel 200, and when the rotation induction control is realized, the pause and the frustration are obvious, so that a user has good hand feeling experience.

In addition, can set up on the button 100 and adsorb piece 9, panel 200 can set up the cooperation and adsorb piece 91, adsorbs piece 9 and the adsorption of the cooperation that corresponds and adsorbs piece 91 for button 100 can adsorb on panel 200, more convenient realization control function.

It should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The above detailed description of a series of embodiments is only for the purpose of illustration, and is not intended to limit the scope of the invention, which is intended to include all equivalent embodiments or modifications that do not depart from the spirit of the invention.

Claims

1. A knob, characterized in that the knob comprises:

the rotary component comprises a first surface opposite to the seat body, and the seat body comprises a second surface opposite to the first surface; one of the first surface and the second surface is provided with at least one elastic bulge, and the other of the first surface and the second surface is formed with a concave-convex structure;

the rotating component rotates relative to the base body, and the elastic protrusions slide along the concave-convex structure.

2. The knob according to claim 1, wherein the rotation member includes a knob inner side surface surrounding a rotation axis, the knob inner side surface being the first surface; the base body comprises a base body outer side surface surrounding the rotating shaft, and the base body outer side surface is the second surface.

3. The knob of claim 2 wherein said second surface has at least one leaf spring, each of said leaf springs having one of said resilient projections formed thereon.

4. The knob according to claim 2 wherein at least one resilient member is disposed within said second surface, each of said resilient members having a ball attached thereto, said balls protruding from said second surface, one of said resilient members and one of said balls forming one of said resilient protrusions.

5. The knob according to claim 1, wherein the housing includes a plug portion and a connecting portion connected to each other, the rotating member includes a step portion and an outer ring portion connected to each other, the plug portion is inserted into the step portion, the outer ring portion is sleeved on the connecting portion, a step surface of the step portion is the first surface, and a surface of the connecting portion opposite to the step surface is the second surface.

6. The knob of claim 5 wherein said second surface has a spring disposed thereon, said spring having at least one resilient arm disposed about a periphery thereof, a free end of one of said resilient arms having one of said resilient projections formed thereon.

7. The knob according to claim 1, wherein the concavo-convex structure is disposed with a rotation axis of the rotating member as a central axis, and an included angle between adjacent protrusions in the concavo-convex structure is 1.5 ° to 180 °.

8. The knob according to claim 1, wherein the knob comprises a suction member provided on the holder body.

9. The knob according to claim 1, wherein a sensing member is disposed in the holder body, and the sensing member is disposed through the holder body along a rotation axis direction of the rotating member.

10. A household appliance, characterized in that it comprises a knob according to any one of claims 1 to 9.