CN210129450U

CN210129450U - Knob subassembly with feel feedback function

Info

Publication number: CN210129450U
Application number: CN201920902189.1U
Authority: CN
Inventors: 朱泽春; 刘斌; 金立旺; 胡文飞
Original assignee: Joyoung Co Ltd
Current assignee: Shandong Jiuchuang Home Appliance Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-03-06
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a knob subassembly with feedback function of feeling belongs to knob subassembly technical field, including base, knob and rotation regulation piece, rotation regulation piece has and runs through the pivot of base, the knob with the pivot cooperation is connected and can rotate on the base, be equipped with on the base and stretch into the inside gusset of knob, the gusset has inside convex bellying, install elastic component on the knob, elastic component includes motion portion and can drive motion portion follows knob radial motion's elastic component, under the elastic component compression state, motion portion with the bellying offsets. The utility model discloses a knob subassembly can enough make the knob produce good feedback when rotatory and feel, can avoid again to adjust the knob emergence rotation after accomplishing to this control reliability who has guaranteed knob subassembly.

Description

Knob subassembly with feel feedback function

[ technical field ] A method for producing a semiconductor device

The utility model relates to a knob subassembly technical field especially relates to a knob subassembly with feedback function of feeling.

[ background of the invention ]

The knob assembly is a manual element which is manually rotated and is a common operation part for electric switch or parameter adjustment. The knob assembly comprises a base, a knob and a potentiometer, the potentiometer is provided with a rotating shaft penetrating through the base, the knob is rotatably installed on the base and connected with the rotating shaft, and the rotating shaft is driven to rotate through rotating the knob so as to realize on-off control or parameter adjustment control. However, in the prior art, the rotary action of the knob has no hand feeling, and after the adjustment action is completed, the position of the knob is not restricted, and the knob can be accidentally rotated by slightly touching the knob, so that the control reliability of the knob assembly is reduced, and the use experience of a user is reduced.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a knob subassembly with feedback function of feeling, produce good feedback when can making the knob rotatory and feel, can avoid again to adjust to accomplish the back knob and take place to rotate to this control reliability of having guaranteed the knob subassembly improves user and uses experience.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the knob assembly with the hand feeling feedback function comprises a base, a knob and a rotary adjusting piece, wherein the rotary adjusting piece is provided with a rotating shaft penetrating through the base, the knob is connected with the rotating shaft in a matched mode and can rotate on the base, a rib plate stretching into the inside of the knob is arranged on the base, the rib plate is provided with a protruding portion protruding inwards, an elastic assembly is installed on the knob and comprises a moving portion and an elastic piece capable of driving the moving portion to move along the radial direction of the knob, and the moving portion is abutted to the protruding portion in the compression state of the elastic piece.

Furthermore, the rib plate is annular, and the rib plate is locally protruded inwards to form the protruding part.

Furthermore, 2-10 convex parts are uniformly arranged on the rib plate in the circumferential direction at intervals.

Furthermore, the center of the top wall of the knob is provided with a connecting sleeve which is connected with the rotating shaft in a matching manner, the elastic component comprises a fixed seat positioned on one side of the connecting sleeve, the fixed seat is provided with a guide groove, the moving part is slidably installed in the guide groove, and the elastic component is pressed between the moving part and the side wall of the guide groove close to the connecting sleeve.

Furthermore, the motion part is a motion rod, a radially extending limiting rib is arranged on the periphery of the motion rod, an opening smaller than the outer diameter of the limiting rib is formed in the side wall, away from the connecting sleeve, of the guide groove, and the elastic piece is sleeved on the motion rod and pressed between the limiting rib and the side wall, close to the connecting sleeve, of the guide groove.

Furthermore, the inner side surface of the protruding portion is an arc surface, and one end of the moving rod, which abuts against the protruding portion, is in a ball head shape.

Furthermore, the fixed seat is adhered or clamped or screwed on the top wall of the knob.

Furthermore, the cross section of the rotating shaft is non-circular, and the connecting sleeve is in interference fit with the rotating shaft.

Further, the protruding height of the protruding portion is H, the compression stroke of the elastic piece is S, and H < S is met.

Furthermore, the rotary adjusting piece is fixedly installed on the base, a mounting hole is formed in the center of the base, and the rotating shaft penetrates through the mounting hole.

The utility model has the advantages that:

in the process of rotating the knob, when the moving part rotates to the lug boss, the moving part moves inwards in the radial direction under the interference action of the lug boss and compresses the elastic piece, the knob is continuously rotated, a user needs to provide larger torque force for the knob so that the moving part overcomes the frictional resistance between the moving part and the lug boss, the larger torque force applied to the knob is the hand feeling, and after the moving part leaves the lug boss, the torque force applied to the knob by the user is reduced, so that the user can clearly sense good feedback hand feeling in the process of rotating the knob, and the use experience of the user is improved; in addition, through set up corresponding gear at protruding position, can guarantee the accuracy of adjusting, avoid adjusting the knob and take place to rotate after accomplishing, guaranteed knob assembly's control reliability from this.

The rib plate is annular, and the rib plate is locally protruded inwards to form a convex part. By the design, the structural strength of the rib plate can be enhanced, and the phenomenon that the knob assembly loses feedback hand feeling due to deformation of the convex part of the rib plate is avoided; simultaneously, design like this, the gusset can also play the guide effect for the circumferential motion of motion part, has guaranteed knob pivoted smoothness nature.

2-12 bulges are uniformly arranged on the rib plate at intervals in the circumferential direction. By the design, when the knob is rotated, the knob assembly can form continuous gear hand feeling, and the cost is low.

The center of the top wall of the knob is provided with a connecting sleeve which is matched and connected with the rotating shaft, the elastic component comprises a fixed seat which is positioned on one side of the connecting sleeve, a guide groove is arranged on the fixed seat, the moving part is slidably arranged in the guide groove, and the elastic component is pressed between the moving part and the side wall of the guide groove, which is close to the connecting sleeve. By the design, the elastic piece and the moving part can be arranged on the knob through the fixed seat, so that the elastic piece drives the moving part to move along the radial direction of the knob, the integral structure is simple, and the assembly is convenient; in addition, the fixing seat is positioned on one side of the connecting sleeve, so that the interference between the fixing seat and the rotating shaft can be avoided, and the adjusting and controlling functions of the knob are ensured.

The motion portion is the motion pole, and the periphery of motion pole is equipped with the spacing muscle of radial extension, and the lateral wall that the guide way kept away from the adapter sleeve is equipped with the opening that is less than the external diameter of spacing muscle, and the elastic component suit is on the motion pole and pressure equipment between the lateral wall that spacing muscle and guide way are close to the adapter sleeve. Can avoid the motion pole to deviate from the guide way through spacing muscle, can realize from this with elastic component and motion portion pre-installation back on the fixing base, install whole elastic component again on the knob to this packaging efficiency who has improved knob subassembly.

The inner side surface of the convex part is a cambered surface, and one end of the motion rod, which is abutted against the convex part, is in a ball head shape. By the design, the moving part slides more smoothly and smoothly in the process of contacting with the convex part, and the phenomena of clamping stagnation and pause are avoided.

The fixed seat is adhered or clamped or screwed on the top wall of the knob. By the design, the elastic assembly is convenient to replace and maintain in the later period.

The cross section of pivot is non-circular, and adapter sleeve and pivot interference fit. By the design, the rotating shaft can be driven to rotate by rotating the knob, so that the adjusting and controlling functions are realized; in addition, the connecting sleeve is in interference fit with the rotating shaft, so that the knob can be prevented from falling off, the mounting stability of the knob is improved, and meanwhile, the assembling and disassembling of the assembling mode are simple and convenient.

The protruding height of the protruding part is H, the compression stroke of the elastic piece is S, and H < S is satisfied. So design can guarantee the effective contact of motion portion and leave the medial surface of bellying to this promotes the feedback and feels.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is an exploded view of a knob assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a base according to a first embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an elastic component according to an embodiment of the present invention

Fig. 4 is a schematic structural view of the elastic assembly and the knob according to an embodiment of the present invention after being assembled;

FIG. 5 is a cross-sectional view of a knob assembly according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

fig. 7 is a schematic view of a matching structure of the base and the elastic component in the second embodiment of the present invention.

Reference numerals:

100. a base; 101. mounting holes; 110. a rib plate; 111. a boss portion; 200. a knob; 210. connecting sleeves; 211. a rib is protruded; 300. rotating the adjusting member; 310. a rotating shaft; 311. an axial plane; 400. an elastic component; 410. a moving part; 411. limiting ribs; 420. an elastic member; 430. a fixed seat; 431. a guide groove.

[ detailed description ] embodiments

The utility model provides a knob subassembly with feedback function of feeling, including base, knob and rotation regulation spare, rotation regulation spare has and runs through the pivot of base, the knob with the pivot cooperation is connected and can rotate on the base, be equipped with on the base and stretch into the inside gusset of knob, the gusset has inside convex bellying, install elastic component on the knob, elastic component includes motion portion and can drive motion portion follows knob radial motion's elastic component, under the elastic component compression state, motion portion with the bellying offsets.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment,

Referring to fig. 1 to 6, the knob assembly in this embodiment includes a base 100, a knob 200 and a rotary adjusting member 300, the rotary adjusting member 300 is a potentiometer or a rotary encoder, or other adjusting functional components capable of being adjusted in a rotatable manner, a mounting hole 101 is formed in the center of the base 100, the rotary adjusting member 300 has a rotating shaft 310 penetrating through the mounting hole 101, and the rotary adjusting member 300 can be fixed on the base 100 by means of screw connection, clamping connection, or adhesion; preferably, the rotation adjusting member 300 is installed in a screw-fit manner, specifically, a screw thread for installation is provided at the lower part of the rotation shaft 310, the rotation adjusting member 300 is fixed on the base 100 by a nut after penetrating through the installation hole 101, and the rotation shaft 310 protrudes out of the upper part of the installation hole 101; the rotating shaft 310 can rotate relative to the base 100, the knob 200 is connected with the rotating shaft 310 in a matched manner and can rotate on the base 100, and therefore the rotating shaft 310 can be driven to rotate through rotating the knob 200 to achieve an adjusting and controlling function, a rib plate 110 extending into the inside of the knob 200 is arranged on the base 100 in the embodiment, a gap is formed between a side wall of the knob 200 and the rib plate 110, the rib plate 110 is provided with a protruding portion 111 protruding inwards, an elastic assembly 400 is installed on the knob 200, the elastic assembly 400 comprises a moving portion 410 and an elastic member 420 capable of driving the moving portion 410 to move along the radial direction of the knob, and the moving portion 410 is abutted against the protruding portion 111 in a compression state of the elastic member.

In the process of rotating the knob 200, when the moving part 410 rotates to the boss 111, the moving part 410 moves radially inward under the interference of the boss 111 and compresses the elastic member 420, and the knob 200 continues to be rotated, the user needs to provide a large torque force to the knob 200 to enable the moving part 111 to overcome the frictional resistance with the boss 410, and the large torque force applied to the knob 200 is a hand feeling, and after the moving part 410 leaves the boss 111, the torque force applied to the knob 200 by the user is reduced, so that the user can clearly sense a good feedback hand feeling in the process of rotating the knob 200, thereby improving the use experience of the user; in addition, the corresponding gear is arranged at the position of the boss 111, so that the adjustment accuracy can be ensured, the knob 200 is prevented from rotating after the adjustment is finished, and the control reliability of the knob assembly is ensured.

Specifically, the rib plate 110 in this embodiment is an annular rib plate coaxially disposed with the knob 200, the side wall of the knob 200 is in clearance fit with the rib plate 110, and the rib plate 110 protrudes inward in the radial direction locally to form a protruding portion 111, and the inward protrusion in the radial direction in this embodiment may be formed by inward local bulging of the rib plate 110, or by inward local protruding of the inner side surface of the rib plate 110. The design of the annular rib plate can enhance the structural strength of the rib plate 110, and avoid the deformation of the bulge part 111 to cause the knob assembly to lose the feedback hand feeling; meanwhile, due to the design, the rib plate 110 can also play a guiding role in the circumferential movement of the moving part 410, and the smooth rotation of the knob 200 is ensured. It should be noted that the rib plate 110 in this embodiment may be formed integrally with the base 100 by injection molding, or may be fixed to the base 100 by later bonding or clamping.

In this embodiment, the center of the top wall of the knob is provided with a connecting sleeve 210 connected with the rotating shaft 310 in a matching manner, the cross section of the rotating shaft 310 is non-circular, and the connecting sleeve 210 is in interference fit with the rotating shaft 310. The design is reliable in matching, and the rotating shaft 310 can be driven to rotate by rotating the knob 200, so that the adjusting and controlling functions are realized; in addition, the connecting sleeve 210 is in interference fit with the rotating shaft 310, so that the knob 200 can be prevented from falling off, the installation stability of the knob 200 is improved, and meanwhile, the assembly and disassembly of the assembly mode are simple and convenient.

Preferably, the outer side surface of the rotating shaft is provided with an axial plane 311, the inner side wall of the connecting sleeve 210 is provided with a convex rib 211 extending axially, and the convex rib 211 is abutted to the axial plane 311, so that key connection matching between the rotating shaft 310 and the connecting sleeve 210 is realized; therefore, the interference fit between the connecting sleeve 210 and the rotating shaft 310 can be ensured, and the disassembly and assembly of the rotating shaft 310 and the connecting sleeve 210 are more labor-saving.

As shown in fig. 3 to 4, the elastic assembly 400 in this embodiment includes a fixing seat 430 located on one side of the connection sleeve 210, a guide groove 431 extending along a radial direction of the knob 200 is disposed on a top surface of the fixing seat 430, a mating groove matching with the guide groove 431 is disposed on an inner side surface of a top wall of the knob, a cavity capable of accommodating the moving portion 410 is formed after the guide groove 431 is in butt joint with the mating groove, the moving portion 410 is a moving rod, the moving rod is slidably mounted in the guide groove 431, a radially extending limiting rib 411 is disposed on an outer periphery of the moving rod, an opening smaller than an outer diameter of the limiting rib 411 is disposed on a side wall of the guide groove 431 away from the connection sleeve 210, and the elastic member 420 is sleeved on the moving rod and is press-mounted between the limiting rib 411 and the side wall of the guide groove 431 close to the connection sleeve 210, so that an end of the moving. In this embodiment, the fixing base 430 is located at one side of the connecting sleeve 210, so as to avoid interference between the fixing base and the rotating shaft 310, and ensure the adjusting and controlling functions of the knob 200; secondly, can avoid the motion pole to deviate from guide way 431 through spacing muscle 411, can realize from this that install whole elastic component 400 on knob 200 again after elastic component 420 and motion pole pre-installation on fixing base 430 to this packaging efficiency who has improved the knob subassembly, overall structure is simple, and the equipment is convenient.

As shown in fig. 5, where the protruding height of the protruding portion 111 is H, the compression stroke of the elastic member 420 is S, and the elastic member 420 has a certain amount of compression after being installed in the guide groove 431, the compression stroke S in this embodiment is a stroke that the elastic member 420 can continue to compress after being installed in the guide groove 431, and H < S is satisfied, so that the end of the moving rod can be ensured to effectively contact and leave the inner side surface of the protruding portion 111, thereby improving the feedback hand feeling.

The knob roof medial surface in this embodiment is equipped with the screw post, and the afterbody of screw passes the perforation of fixing base 430 and locks on the screw post to fix fixing base 430 on the knob roof, so design, the change and the maintenance of the later stage elastic component 400 of can being convenient for. Of course, in other embodiments, the fixing base may be fixed on the top wall of the knob by means of adhesion or clipping, and will not be described in detail herein.

In order to make the motion bar slide more smoothly and smoothly with the in-process of bellying 111 contact, avoid appearing jamming and pause phenomenon, the medial surface of bellying is the cambered surface in this embodiment, and the bellying medial surface passes through the smooth transitional coupling of fillet with the not convex part of annular gusset, and the motion bar is the bulb form with the one end that bellying 111 offseted.

Adopt 1 bellying 111 in this embodiment, have feedback hand when mainly used switch gear changes, promote user experience.

The knob assembly in the embodiment can be used for heating cooking appliances such as induction cookers, electric ceramic cookers and the like, and can also be used for cooking appliances such as electric cookers, pressure cookers, cooking machines and the like.

It can be understood that the rib plates can also be arc-shaped rib plates, and a plurality of arc-shaped rib plates which are arranged around the rotating shaft and distributed at intervals in the circumferential direction are arranged on the base.

It can be understood that the motion portion can also be hollow motion pipe, the terminal surface that motion pipe and bellying contacted is the sphere, the outside of motion pipe is equipped with spacing muscle, the guide way is equipped with the opening that is less than spacing muscle external diameter on keeping away from the lateral wall of adapter sleeve, in the one end of elastic component stretched into the motion pipe, the other end offseted with the lateral wall that the guide way is close to the adapter sleeve to make the bullet to the pressure equipment between the lateral wall that motion portion and guide way are close to the adapter sleeve.

It will be appreciated that since the rotary adjuster is electrically connected to the control board, the rotary adjuster can also be fixed to the control board by screwing or welding or gluing.

Example II,

As shown in fig. 7, different from the first embodiment, in the present embodiment, 2 to 12 protruding portions 111 are uniformly arranged at intervals in the circumferential direction of the annular rib plate, for example, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12, and by such design, when the knob 200 is rotated, the knob assembly can form a continuous gear hand feeling, which includes switching gear shifting and adjustment of an increase and decrease amount of a cooking parameter gear, such as an increase and decrease amount of a power gear in an induction cooker or an electric ceramic cooker, user experience is good, and implementation is simple and cost is low. Of course, a plurality of bellying still can carry out inhomogeneous circumference interval distribution according to the setting and the experience function demand of actual gear.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The knob assembly with the hand feeling feedback function comprises a base, a knob and a rotary adjusting piece, wherein the rotary adjusting piece is provided with a rotating shaft penetrating through the base, the knob is connected with the rotating shaft in a matched mode and can rotate on the base, and the rotary knob assembly is characterized in that a rib plate extending into the inside of the knob is arranged on the base, the rib plate is provided with a protruding portion protruding inwards, an elastic assembly is installed on the knob and comprises a moving portion and an elastic piece capable of driving the moving portion to move along the radial direction of the knob, and the moving portion is abutted to the protruding portion in a compression state of the elastic piece.

2. The knob assembly with tactile feedback according to claim 1 wherein the rib is annular and the rib partially projects inwardly to form the raised portion.

3. The knob assembly with the hand feeling feedback function according to claim 2, wherein 2-12 protrusions are uniformly arranged on the rib plate in the circumferential direction at intervals.

4. The knob assembly with the function of feeding back feeling as claimed in claim 1, wherein a connecting sleeve is disposed at the center of the top wall of the knob and is connected to the rotating shaft in a matching manner, the elastic assembly comprises a fixing seat disposed at one side of the connecting sleeve, a guide groove is disposed on the fixing seat, the moving part is slidably mounted in the guide groove, and the elastic member is press-fitted between the moving part and the side wall of the guide groove close to the connecting sleeve.

5. The knob assembly with the function of feeding back feeling as claimed in claim 4, wherein the moving part is a moving rod, the moving rod is provided with a radially extending limiting rib at its outer periphery, the side wall of the guide groove facing away from the connecting sleeve is provided with an opening smaller than the outer diameter of the limiting rib, and the elastic member is sleeved on the moving rod and is press-fitted between the limiting rib and the side wall of the guide groove close to the connecting sleeve.

6. The knob assembly with the function of feeding back feeling as claimed in claim 5, wherein the inner side surface of the protrusion is a curved surface, and the end of the motion bar abutting against the protrusion is in the shape of a ball.

7. The knob assembly with tactile feedback according to claim 4, wherein the holder is bonded or snapped or screwed to the top wall of the knob.

8. The knob assembly with tactile feedback according to claim 4, wherein the cross section of the rotating shaft is non-circular, and the connecting sleeve is in interference fit with the rotating shaft.

9. The knob assembly with tactile feedback according to claim 1, wherein the protrusion of the protrusion has a height H, and the elastic member has a compression stroke S, satisfying H < S.

10. The knob assembly with a tactile feedback function according to claim 1, wherein the rotation adjusting member is fixedly mounted on the base, a mounting hole is formed in the center of the base, and the rotating shaft penetrates through the mounting hole.