CN112927970B - Knob switch control device - Google Patents
Knob switch control device Download PDFInfo
- Publication number
- CN112927970B CN112927970B CN202110091383.8A CN202110091383A CN112927970B CN 112927970 B CN112927970 B CN 112927970B CN 202110091383 A CN202110091383 A CN 202110091383A CN 112927970 B CN112927970 B CN 112927970B
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- Prior art keywords
- button
- fluted disc
- cover
- knob
- supporting seat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a knob switch control device which comprises a button end cover, a display screen, a button, a knob upper cover, a button reset spring, a fluted disc reset spring, a button supporting seat, a knob lower cover, an encoder, a switch spring and a control circuit board, wherein the encoder is electrically connected to the control circuit board; the switch spring is electrically connected with the lower end surface of the button corresponding to the central position of the encoder; the lower cover of the knob is buckled on the outer ring of the encoder; the button supporting seat is buckled on the inner ring of the encoder; the upper end of the button is embedded with a display screen, and the lower end of the button is connected with the top of the switch spring; the display screen is electrically connected with the control circuit board; the lower end of the circumferential edge of the button end cover is buckled at the upper end of the circumferential edge of the button; the knob upper cover is buckled on the periphery of the button end cover and clamped outside the knob lower cover; the upper part of the button reset spring is abutted against the lower part of the button, and the lower part of the button reset spring is abutted against the upper part of the button supporting seat; the fluted disc is sleeved on the outer sides of the button and the button supporting seat; the upper part of the fluted disc reset spring is connected with the lower part of the fluted disc in an abutting mode, and the lower part of the fluted disc reset spring is connected with the upper part of the lower cover of the knob in an abutting mode.
Description
Technical Field
The invention relates to the field of knob switches, in particular to a knob switch control device.
Background
With the continuous development of society, electronic products are updated and iterated rapidly, and among the current electronic products, various switches need to be used, wherein a rotary switch is one of the most commonly used products.
Knob switch is thereby one kind through rotatory knob or press the face lid of knob and send different signals to the circuit board, makes opening of circuit board control setting stop, functions such as direction adjustment, position control, functioning speed, but current knob switch internals is numerous for overall structure is very complicated, causes its cost higher, the dismouting of the product of being not convenient for, and the rotation of knob is experienced not well moreover, and the experience of pressing is not good, and the practicality is relatively poor. The electronic watch of the exercise bicycle which is commonly seen in the market at present has various types, and the function keys used for realizing multiple functions (time, speed, distance, calorie, gear and the like) are more. The operation is difficult when the device is used without reading the specification. In addition, the operation is not performed according to the instruction sequence, the required data cannot be displayed, and the display is inconvenient.
The scheme of the invention is an improvement of the knob switch of the existing exercise bicycle aiming at the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the knob switch control device, which integrates the display function, the knob function and the button function in the same knob switch, and solves the problems that the existing knob switch is complex in structure, complicated to operate, high in cost and poor in reliability, so that the use requirements of users are difficult to meet.
In order to achieve the above purpose, the technical solution for solving the technical problem is as follows:
the utility model provides a knob on-off control device, includes button end cover, display screen, button, knob upper cover, button reset spring, fluted disc reset spring, button supporting seat, knob lower cover, encoder, switch spring and control circuit board, wherein:
the encoder is arranged on the control circuit board and is electrically connected with the control circuit board;
the switch spring is arranged on the lower end face of the button corresponding to the central position of the encoder and is electrically connected with the control circuit board;
the lower knob cover is buckled on the outer ring of the encoder;
the button supporting seat is buckled on the inner ring of the encoder and is partially abutted against the upper end surface of the lower knob cover;
the display screen is embedded at the upper end of the button, and the lower end of the display screen penetrates through the button supporting seat and then is connected with the top of the switch spring;
the display screen is electrically connected with the control circuit board and is used for displaying relevant motion parameter information;
the lower end of the circumferential edge of the button end cover is buckled at the upper end of the circumferential edge of the button, and the button end cover is pressed to drive the button to move downwards so as to trigger the switch spring to conduct the golden finger on the control circuit board;
the knob upper cover is buckled on the periphery of the button end cover and clamped on the outer side of the knob lower cover, and is used for adjusting resistance by rotating the knob upper cover to drive the knob lower cover to rotate along the circumferential direction of the encoder and enabling the button and the button end cover to move upwards for resetting by pressing the knob upper cover through the resilience force of the button resetting spring;
the upper part of the button reset spring is abutted against the lower part of the button, the lower part of the button reset spring is abutted against the upper part of the button supporting seat and used for enabling the button to be separated from a clamping position by pressing the knob upper cover, and further enabling the button end cover to automatically reset by the resilience force of the button reset spring when the button end cover is loosened and enabling the button to be separated from the golden finger on the control circuit board;
the fluted disc is sleeved on the outer sides of the button and the button supporting seat;
the upper portion of the fluted disc reset spring is abutted to the lower portion of the fluted disc, the lower portion of the fluted disc reset spring is abutted to the upper portion of the lower knob cover, and the fluted disc reset spring and the upper knob cover are automatically reset through resilience force of the fluted disc reset spring when the pressed upper knob cover is loosened.
Furthermore, the circumferential edge of the button end cover extends downwards to form an end cover downward extending part, and the bottom of the end cover downward extending part is provided with a first step surface which is of a L shape and has a vertical section with a high outside and a low inside;
the peripheral edge of the button extends upwards to form a button upper extension part, and the top of the button upper extension part is provided with a second step surface which is high outside and low inside in vertical section and is shaped like a L;
the first step surface and the second step surface are buckled with each other and used for preventing the button end cover from loosening.
Further, the lower extreme central point of button puts downwardly extending and forms button downwardly extending portion, button downwardly extending portion with switch spring's upper portion is connected, is used for through pressing the button end cover drives button downwardly extending portion moves down and then triggers switch spring switches on golden finger on the control circuit board.
Further, the button supporting seat includes upper portion supporting seat, lower part supporting seat, supporting seat connecting portion and supporting seat through-hole, wherein:
the upper supporting seat is arranged around the circumferential edge of the supporting seat connecting part, a plurality of supporting seat inner side grooves and supporting seat side wall through holes which are alternately arranged are formed in the inner side of the periphery of the upper supporting seat, and a plurality of supporting seat outer side grooves are formed in the outer side of the periphery of the upper supporting seat;
the lower supporting seat is arranged below the supporting seat connecting part, and a plurality of supporting seat outer side clamping blocks are arranged on the outer sides of the periphery of the lower supporting seat;
the supporting seat through hole is formed in the center of the supporting seat connecting portion and used for the lower extending portion of the button to penetrate through the supporting seat through hole and then be connected with the upper portion of the switch spring.
Further, the button includes a plurality of button inside lugs, button outside lugs and button outside buckle spare, wherein:
the plurality of button inner side lugs are arranged on the inner side wall of the circumferential edge of the button;
the plurality of button outer side lugs are arranged on the outer side wall of the circumferential edge of the button, can be sleeved in the plurality of support seat inner side grooves corresponding to the positions of the button outer side lugs, are used for limiting the circumferential rotation of the button and can move up and down in the support seat inner side grooves when the button end cover is pressed;
the button outer side buckling pieces are arranged on the outer side wall of the circumferential edge of the button and are provided with button clamping teeth, and the button outer side buckling pieces can penetrate through a plurality of supporting seat side wall through holes corresponding to the positions of the button and are connected with the fluted disc in a clamping mode.
Furthermore, the circumference edge of display screen be equipped with a plurality of the inboard lug position of button is corresponding a plurality of display screen recess, a plurality of the mutual block of the inboard lug of display screen recess and button is used for with the display screen location just makes its left and right sides central plane align.
Further, the knob lower cover includes lower cover upper portion, lower cover lower part, lower cover annular connecting portion, lower cover through-hole to and a plurality of through-hole lugs and through-hole fixture block, wherein:
the outer ring of the lower cover annular connecting part extends upwards to form the upper part of the lower cover, and a plurality of lower cover upper part outer side grooves are formed in the outer sides of the periphery of the upper part of the lower cover;
the inner ring of the lower cover annular connecting part extends downwards to form the lower part of the lower cover;
the lower cover through hole penetrates through the lower part of the lower cover, and a plurality of through hole lugs and through hole clamping blocks are alternately arranged on the inner side wall of the lower cover through hole.
Further, the fluted disc includes fluted disc body, fluted disc portion of turning up to and a plurality of fluted disc lugs and fluted disc buckle spare, wherein:
the upper part of the fluted disc body extends outwards to form the fluted disc outwards-turning part, the upper part of the fluted disc reset spring is abutted against the lower part of the fluted disc outwards-turning part, and the lower part of the fluted disc reset spring is abutted against the upper part of the annular connecting part of the lower cover;
the fluted disc convex blocks are arranged on the inner side wall of the fluted disc body and correspond to the positions of the grooves on the outer side of the supporting seat, and the fluted disc convex blocks are clamped with the grooves on the outer side of the supporting seat;
the fluted disc clamping pieces are arranged on the inner side wall of the fluted disc body and correspond to the positions of the supporting seat side wall through holes, and the fluted disc clamping pieces are buckled with the button outer side clamping pieces penetrating through the supporting seat side wall through holes.
Furthermore, the fluted disc buckling piece comprises a fluted disc upper clamping tooth and a fluted disc lower clamping tooth which are arranged in parallel up and down;
when the button end cover is pressed, the button moves downwards to drive the button clamping teeth to move downwards from the fluted disc upper clamping teeth to be clamped into the fluted disc lower clamping teeth and compress the button reset spring so as to trigger the switch spring to conduct the golden finger on the control circuit board;
when the knob upper cover is pressed, the knob upper cover and the fluted disc simultaneously move downwards, the fluted disc lower clamping teeth extrude the button clamping teeth, the fluted disc lower clamping teeth and the button clamping teeth are in a separated state, the resilience force of the button reset spring enables the button clamping teeth to move upwards and be clamped into the fluted disc upper clamping teeth so as to drive the button and the button end cover to move upwards and reset, and meanwhile, the button is separated from the golden finger on the control circuit board;
when the knob upper cover is loosened, the fluted disc and the knob upper cover are moved upwards and reset by the resilience force of the fluted disc reset spring.
Preferably, the outer diameter of the fluted disc return spring does not exceed the outer diameter of the fluted disc outward turning part, and the fluted disc return spring sleeved on the outer side of the fluted disc is prevented from being separated from the fluted disc outward turning part.
Furthermore, a plurality of encoder upper grooves and encoder lower grooves which are alternately arranged up and down are arranged on the periphery of the encoder, the plurality of encoder upper grooves are clamped with the plurality of through hole lugs in the knob lower cover, and the plurality of encoder lower grooves are clamped with the plurality of through hole clamping blocks in the knob lower cover;
and a plurality of encoder inner grooves corresponding to the positions of the plurality of supporting seat outer side clamping blocks are arranged on the periphery of the inner side of the encoder, and the plurality of encoder inner grooves are clamped with the plurality of supporting seat outer side clamping blocks.
Furthermore, a plurality of upper cover inner side lugs corresponding to the positions of the plurality of lower cover upper outer side grooves are arranged on the inner side wall of the periphery of the knob upper cover, and the plurality of upper cover inner side lugs are correspondingly clamped into the plurality of lower cover upper outer side grooves and are used for realizing the linkage of the knob upper cover and the knob lower cover;
an upper cover through hole is formed in the middle of the knob upper cover, and the circumferential edge of the upper cover through hole corresponds to the circumferential edge of the upper support seat and is used for accommodating and installing the button and the button end cover.
Furthermore, the through hole of the support seat extends upwards to form a through hole extending wall;
a spring fixing base is arranged between the lower part of the button and the lower extension part of the button;
the through hole extending wall and the spring fixing base are correspondingly arranged up and down, the hole diameters of the through hole extending wall and the spring fixing base are consistent, and the through hole extending wall and the spring fixing base are used for sleeving the button reset spring, so that the button reset spring is prevented from transversely moving on the periphery of the through hole extending wall and the spring fixing base.
Preferably, the button end cover is made of a light-transmitting material and is used for facilitating a user to clearly see the relevant motion parameter information displayed on the display screen.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
1. the exercise bicycle knob switch control device simplifies the operation and adjustment of an electronic watch by one key to start and stop, simplifies the forward and reverse rotation adjustment of resistance adjustment to add and subtract, reduces the key functions, effectively reduces the operation complexity, centralizes the display and adjustment functions, displays relevant motion data in real time, and effectively integrates a button and a knob into a whole;
2. the exercise bicycle knob switch control device provided by the invention simplifies the operation interface and the operation process, the visual focus and the operation of a user are concentrated at one position, the use experience is optimized, the occupied space is saved, the messy degree of the control interface is reduced, in addition, the button and the fluted disc (the knob upper cover) are automatically reset through the button reset spring and the fluted disc reset spring, and the operation of the user is simplified;
3. the exercise bicycle knob switch control device provided by the invention has the advantages of simple, compact and reasonable structure, convenience in disassembly and assembly, easiness in operation, great reduction in the shaking of the knob, great reduction in the precision requirement of a product on a manufacturing mold, effective shortening of the production period, saving of the production cost, and improvement in the stability of the product and the user experience.
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 will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the invention, 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 an exploded view of a rotary switch control device of the present invention;
FIG. 2 is a perspective view of a rotary switch control device of the present invention;
FIG. 3 is a front view of a rotary switch control device of the present invention;
FIG. 4 is a sectional view taken along line A-A of a rotary switch control device of the present invention;
FIG. 5 is an enlarged partial schematic view of a rotary switch control device of the present invention;
FIG. 6 is a perspective cross-sectional view of a rotary switch control device of the present invention;
FIG. 7 is a schematic view of a button cover of a rotary switch control device according to the present invention;
FIG. 8 is a schematic view of a display screen of a rotary switch control device according to the present invention;
FIG. 9 is a schematic view of a button structure of a rotary switch control device according to the present invention;
FIG. 10 is a schematic view of a knob cover of a knob switch control device according to the present invention;
FIG. 11 is a schematic view of a structure of a gear plate in a rotary switch control device according to the present invention;
FIG. 12 is a schematic view of a button supporting base of a knob switch control device according to the present invention;
FIG. 13 is a schematic view of a lower cover of a rotary knob switch control device according to the present invention;
FIG. 14 is a schematic diagram of an encoder structure of a rotary switch control device according to the present invention.
[ description of main symbols ]
1-a button end cap; 11-end cap lower extension; 12-a first step face;
2-a display screen; 21-a display screen groove;
3-a button; 31-button up-extending part; 32-a second step surface; 33-button down part; 34-button outside projection; 35-button inside lugs; 36-button outside snap; 37-button latch; 38-spring fixed base;
4-knob upper cover; 41-a bump on the inner side of the upper cover; 42-upper cover through hole;
5-a button return spring;
6-a fluted disc; 61-a fluted disc body; 62-the outward turning part of the fluted disc; 63-a fluted disc bump; 64-a fluted disc fastener; 65-clamping teeth on the fluted disc; 66-a fluted disc lower latch;
7-a fluted disc return spring;
8-a button support seat; 81-upper support seat; 82-lower support seat; 83-support seat connection; 84-a support seat through hole; 85-a groove at the inner side of the supporting seat; 86-support seat side wall through hole; 87-outer side groove of support seat; 88-a clamping block at the outer side of the supporting seat; 89-via extension walls;
9-knob lower cover; 91-upper part of lower cover; 92-lower part of lower cover; 93-lower cover annular connection; 94-lower cover through hole; 95-via bumps; 96-through hole fixture block; 97-lower cover upper outer side groove;
10-an encoder; 101-encoder upper groove; 102-encoder lower groove; 103-encoder inner grooves;
1A-a switch spring;
1B-control circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-14, this embodiment discloses a knob switch control device, wholly is cylindric structure, including button end cover 1, display screen 2, button 3, knob upper cover 4, button reset spring 5, fluted disc 6, fluted disc reset spring 7, button supporting seat 8, knob lower cover 9, encoder 10, switch spring 1A and control circuit board 1B, wherein:
the encoder 10 is arranged on the control circuit board 1B and is electrically connected with the control circuit board 1B;
the switch spring 1A is arranged on the lower end face of the button 3 corresponding to the center position of the encoder 10 and is electrically connected with the control circuit board 1B;
the lower knob cover 9 is buckled on the outer ring of the encoder 10;
the button supporting seat 8 is buckled on the inner ring of the encoder 10 and is partially abutted with the upper end surface of the knob lower cover 9;
the display screen 2 is embedded at the upper end of the button 3, and the lower end of the button penetrates through the button supporting seat 8 and then is connected with the top of the switch spring 1A;
the display screen 2 is electrically connected with the control circuit board 1B and is used for displaying relevant motion parameter information;
the lower end of the circumferential edge of the button cover 1 is fastened to the upper end of the circumferential edge of the button 3, and is used for pressing the button cover 1 to drive the button 3 to move downwards so as to trigger the switch spring 1A to conduct a gold finger (connecting finger, which is composed of a plurality of golden conductive contact pieces, and is called as a "gold finger" because the surface of the gold finger is plated with gold and the conductive contact pieces are arranged like fingers). Preferably, the button end cap 1 is made of a light-transmitting material, and is used for facilitating a user to clearly see the relevant motion parameter information displayed on the display screen 2.
The knob upper cover 4 is buckled on the periphery of the button end cover 1 and clamped on the outer side of the knob lower cover 9, and is used for driving the knob lower cover 9 to rotate along the circumferential direction of the encoder 10 by rotating the knob upper cover 4 so as to adjust resistance, and enabling the button 3 and the button end cover 1 to move upwards and reset by pressing the knob upper cover 4 through the resilience force of the button reset spring 5;
the upper part of the button return spring 5 is abutted against the lower part of the button 3, the lower part of the button return spring is abutted against the upper part of the button supporting seat 8, and the button return spring is used for enabling the button 3 to be separated from a clamping position by pressing the knob upper cover 4, further enabling the button end cover 1 to automatically reset by the resilience force of the button return spring 5 when the button end cover 1 is loosened, and enabling the button 3 to be separated from a golden finger on the control circuit board 1B;
the fluted disc 6 is sleeved on the outer sides of the button 3 and the button supporting seat 8;
the upper part of the fluted disc reset spring 7 is abutted against the lower part of the fluted disc 6, the lower part of the fluted disc reset spring is abutted against the upper part of the knob lower cover 9, and the fluted disc 6 and the knob upper cover 4 are automatically reset through the resilience force of the fluted disc reset spring 7 when the pressed knob upper cover 4 is loosened.
As shown in fig. 4, 6, 7 and 9, the peripheral edge of the button cap 1 extends downward to form a cap lower portion 11, and the bottom of the cap lower portion 11 is provided with a first step surface 12 having a shape of a triangle with a vertical cross section having a high outside and a low inside. Correspondingly, the peripheral edge of the button 3 extends upwards to form a button extending part 31, and the top of the button extending part 31 is provided with a second step face 32 which is high outside and low inside in the vertical section and is shaped like a '+'. In this embodiment, the first step surface 12 and the second step surface 32 are engaged with each other to prevent the button cover 1 from loosening.
Further, the lower end center position of the button 3 extends downwards to form a button lower extension portion 33, the button lower extension portion 33 is connected with the upper portion of the switch spring 1A, and the button end cover 1 is pressed to drive the button lower extension portion 33 to move downwards so as to trigger the switch spring 1A to conduct the golden finger on the control circuit board 1B. In alternative embodiments, the switch spring 1A may be replaced by a leaf spring or a push-button switch, which achieves the same technical effect.
Referring to fig. 6 and 12, the button supporting seat 8 includes an upper supporting seat 81, a lower supporting seat 82, a supporting seat connecting portion 83 and a supporting seat through hole 84, the upper supporting seat 81 is disposed around a circumferential edge of the supporting seat connecting portion 83, and a plurality of supporting seat inner side grooves 85 and supporting seat side wall through holes 86 are alternately disposed around the inner side of the upper supporting seat 81, and a plurality of supporting seat outer side grooves 87 are disposed around the outer side of the upper supporting seat; the lower support seat 82 is arranged below the support seat connecting part 83, and a plurality of support seat outer side clamping blocks 88 are arranged on the outer side of the periphery of the lower support seat; the support seat through hole 84 is opened at the center of the support seat connecting portion 83, and the button lower extension portion 33 penetrates through the support seat through hole 84 and then is connected to the upper portion of the switch spring 1A. In this embodiment, upper portion supporting seat 81, lower part supporting seat 82, supporting seat connecting portion 83, supporting seat through-hole 84, the inboard recess 85 of supporting seat, supporting seat lateral wall through-hole 86, supporting seat outside recess 87, supporting seat outside fixture block 88 and through-hole extension wall 89 are made integratively, can effectively strengthen the life of button supporting seat 8 can adopt rigid plastic, silica gel, rubber or metal to make simultaneously.
In fig. 5 and 9, the button 3 includes a plurality of button inner side projections 35, a plurality of button outer side projections 34, and a plurality of button outer side fasteners 36, wherein the plurality of button inner side projections 35 are disposed on the inner side wall of the circumferential edge of the button 3; the plurality of button outer side lugs 34 are arranged on the outer side wall of the circumferential edge of the button 3, can be sleeved in the plurality of support seat inner side grooves 85 corresponding to the positions of the button 3, and are used for limiting the circumferential rotation of the button 3 and can move up and down in the support seat inner side grooves 85 when the button end cover 1 is pressed; the button outer side fasteners 36 are disposed on the outer side wall of the circumferential edge of the button 3, have a button latch 37, and can pass through the support seat side wall through holes 86 corresponding to the button outer side fasteners to be connected with the fluted disc 6 in a snap fit manner. In this embodiment, the button upper extension portion 31, the button lower extension portion 33, the button outer side protruding block 34, the button inner side protruding block 35, the button outer side fastener 36, the button latch 37, and the spring fixing base 38 are integrally formed, so that the service life of the button 3 can be effectively prolonged, and the button can be made of rigid plastic, silica gel, rubber, or metal.
In fig. 8, a plurality of display screen grooves 21 corresponding to the plurality of button inner side projections 35 are formed in the circumferential edge of the display screen 2, and the plurality of display screen grooves 21 and the button inner side projections 35 are engaged with each other to position the display screen 2 and align the left and right central surfaces of the display screen.
With further reference to fig. 3 and 13, the lower knob cover 9 includes an upper lower cover portion 91, a lower cover portion 92, an annular lower cover connecting portion 93, a lower cover through hole 94, and a plurality of through hole protrusions 95 and through hole retainers 96, wherein an outer ring of the annular lower cover connecting portion 93 extends upward to form the upper lower cover portion 91, and a plurality of lower cover upper portion outer side grooves 97 are formed on the outer side of the periphery of the upper lower cover portion 91; the inner ring of the lower cover annular connecting part 93 extends downwards to form the lower cover lower part 92; the lower cover through hole 94 penetrates through the lower cover lower portion 92, and a plurality of through hole protrusions 95 and through hole blocks 96 are alternately arranged on the inner side wall of the lower cover through hole 94. In this embodiment, the lower cover upper portion 91, the lower cover lower portion 92, the lower cover annular connecting portion 93, the lower cover through hole 94, the through hole protrusion 95, the through hole fixture block 96, and the lower cover upper portion outer side groove 97 may also be integrally formed, so that the service life of the knob lower cover 9 can be effectively prolonged, and the knob lower cover may be made of rigid plastic, silica gel, rubber, or metal.
In fig. 5 and 11, the fluted disc 6 comprises a fluted disc body 61, a fluted disc outward-turning portion 62, and a plurality of fluted disc convex blocks 63 and fluted disc fasteners 64, the fluted disc body 61 extends outwards to form the fluted disc outward-turning portion 62, the upper portion of the fluted disc return spring 7 abuts against the lower portion of the fluted disc outward-turning portion 62, and the lower portion of the fluted disc return spring 7 abuts against the upper portion of the lower cover annular connecting portion 93; the fluted disc convex blocks 63 are arranged on the inner side wall of the fluted disc body 61 and correspond to the positions of the supporting seat outer side grooves 87, and the fluted disc convex blocks 63 are clamped with the supporting seat outer side grooves 87; the fluted disc buckling pieces 64 are arranged on the inner side wall of the fluted disc body 61 and correspond to the positions of the supporting seat side wall through holes 86, and the fluted disc buckling pieces 64 are buckled with the button outer side buckling pieces 36 penetrating through the supporting seat side wall through holes 86. The fluted disc fastener 64 includes a fluted disc upper latch 65 and a fluted disc lower latch 66 which are arranged in parallel up and down. Preferably, the outer diameter of the fluted disc return spring 7 does not exceed the outer diameter of the fluted disc outward turning part 62, so as to prevent the fluted disc return spring 7 sleeved on the outer side of the fluted disc 6 from being separated from the fluted disc outward turning part 62. In this embodiment, the fluted disc body 61, the fluted disc outward turning part 62, the fluted disc convex block 63, the fluted disc buckling part 64, the fluted disc upper clamping tooth 65 and the fluted disc lower clamping tooth 66 can also be integrally manufactured, so that the service life of the fluted disc 6 can be effectively prolonged, and the fluted disc can be made of rigid plastics, silica gel, rubber or metal.
With reference to fig. 12 to 14, a plurality of encoder upper grooves 101 and encoder lower grooves 102 are alternately arranged up and down on the periphery of the encoder 10, the plurality of encoder upper grooves 101 are engaged with the plurality of through hole protrusions 95 in the knob lower cover 9, and the plurality of encoder lower grooves 102 are engaged with the plurality of through hole locking blocks 96 in the knob lower cover 9; a plurality of encoder inner grooves 103 corresponding to the plurality of supporting seat outer side clamping blocks 88 are formed in the periphery of the inner side of the encoder 10, and the plurality of encoder inner grooves 103 are clamped with the plurality of supporting seat outer side clamping blocks 88. In this embodiment, the encoder 10 is a rotary encoder.
With further reference to fig. 10 and 13, a plurality of upper cover inner side protrusions 41 corresponding to the plurality of lower cover upper outer side grooves 97 are disposed on the inner side wall of the periphery of the knob upper cover 4, and the plurality of upper cover inner side protrusions 41 are correspondingly clamped into the plurality of lower cover upper outer side grooves 97, so as to realize the linkage of the knob upper cover 4 and the knob lower cover 9; an upper cover through hole 42 is formed in the middle of the knob upper cover 4, and the circumferential edge of the upper cover through hole 42 corresponds to the circumferential edge of the upper support seat 81 and is used for accommodating and mounting the button 3 and the button end cover 1.
In fig. 6, the support seat through hole 84 extends upward to form a through hole extending wall 89; a spring fixing base 38 is arranged between the lower part of the button 3 and the lower button part 33; the through hole extending wall 89 and the spring fixing base 38 are correspondingly arranged up and down, and the aperture of the through hole extending wall 89 and the aperture of the spring fixing base 38 are consistent, so that the button return spring 5 is sleeved on the peripheries of the through hole extending wall 89 and the spring fixing base 38 to prevent the button return spring 5 from moving transversely.
The specific installation process comprises the following steps:
firstly, welding a switch spring 1A on a control circuit board 1B;
secondly, welding the encoder 10 on the control circuit board 1B, and simultaneously enabling the switch spring 1A to be located at the center of the encoder 10;
then, aligning a lower cover through hole 94 of the knob lower cover 9 with the encoder 10, and sleeving the lower cover lower part 92 on the outer ring of the encoder 10, so that a through hole bump 95 in the lower cover through hole 94 is clamped with an encoder upper groove 101 from top to bottom, and a through hole fixture block 96 is clamped with an encoder lower groove 102;
then, the lower support seat 82 of the button support seat 8 is sleeved on the inner ring of the encoder 10, so that the support seat outer side fixture block 88 on the outer side of the lower support seat 82 is clamped with the encoder inner groove 103 from top to bottom, and the support seat connecting part 83 is partially abutted to the upper part of the lower cover annular connecting part 93 on the periphery of the lower cover through hole 94;
furthermore, the button lower extension part 33 of the button 3 passes through the support seat through hole 84 to be connected with the top of the switch spring 1A, the button outer side projection 34 of the button 3 is clamped with the support seat inner side groove 85 of the upper support seat 81 from top to bottom, the button return spring 5 is positioned outside the spring fixing base 38 and the through hole extension wall 89, two stress ends are abutted between the button 3 and the support seat connection part 83, and the button outer side fastener 36 passes through the support seat side wall through hole 86;
then, the fluted disc convex block 63 on the inner side of the fluted disc body 61 is sleeved in the supporting seat outer side groove 87 from top to bottom, the fluted disc upper clamping teeth 65 and the fluted disc lower clamping teeth 66 on the fluted disc clamping piece 64 correspond to the button clamping teeth 37 of the button outer side clamping piece 36, the fluted disc return spring 7 is arranged, the upper part of the fluted disc return spring 7 is abutted against the lower part of the fluted disc outward turning part 62, and the lower part of the fluted disc return spring is abutted against the upper part of the lower cover annular connecting part 93;
in addition, the display screen 2 is placed on the button 3 and is clamped with the button inner side lug 35 through the display screen groove 21;
thirdly, the button end cover 1 is placed in the upper cover through hole 42 of the knob upper cover 4, so that the first step surface 12 of the end cover lower extension part 11 is clamped with the second step surface 32 of the button upper extension part 31, and the button 3 is installed;
and finally, the upper cover inner side convex block 41 of the knob upper cover 4 is clamped with the lower cover upper part outer side groove 97 of the lower cover upper part 91 from top to bottom, and the knob upper cover 4 and the knob lower cover 9 are covered to realize the installation of the knob.
The specific working principle is as follows:
when the button end cover 1 is pressed, the button 3 moves downwards to drive the button latch 37 to move downwards from the fluted disc upper latch 65 to be latched into the fluted disc lower latch 66 and compress the button return spring 5, so that the switch spring 1A is triggered to conduct the golden finger on the control circuit board 1B;
when the knob upper cover 4 is pressed, the knob upper cover 4 and the fluted disc 6 simultaneously move downwards, the fluted disc lower clamping teeth 66 extrude the button clamping teeth 37, the fluted disc lower clamping teeth 66 and the button clamping teeth 37 are in a separated state, the resilience force of the button reset spring 5 enables the button clamping teeth 37 to move upwards and be clamped into the fluted disc upper clamping teeth 65, so that the button 3 and the button end cover 1 are driven to move upwards and reset, and meanwhile, the button 3 is separated from the golden finger on the control circuit board 1B;
when loosening knob upper cover 4, knob upper cover 4 and fluted disc 6 go upward simultaneously, the fluted disc is gone up latch 65 and is extruded button latch 37, latch 65 and button latch 37 are in the state of breaking away from on the fluted disc, fluted disc reset spring 7's resilience force makes under the fluted disc latch 66 move up the card and go into button latch 37 and then drive fluted disc 6 and knob upper cover 4 move up and reset.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (14)
1. The utility model provides a knob on-off control device, its characterized in that includes button end cover, display screen, button, knob upper cover, button reset spring, fluted disc reset spring, button supporting seat, knob lower cover, encoder, switch spring and control circuit board, wherein:
the encoder is arranged on the control circuit board and is electrically connected with the control circuit board;
the switch spring is arranged on the lower end face of the button corresponding to the central position of the encoder and is electrically connected with the control circuit board;
the lower knob cover is buckled on the outer ring of the encoder;
the button supporting seat is buckled on the inner ring of the encoder and is partially abutted against the upper end surface of the lower knob cover;
the display screen is embedded at the upper end of the button, and the lower end of the display screen penetrates through the button supporting seat and then is connected with the top of the switch spring;
the display screen is electrically connected with the control circuit board and is used for displaying relevant motion parameter information;
the lower end of the circumferential edge of the button end cover is buckled at the upper end of the circumferential edge of the button, and the button end cover is pressed to drive the button to move downwards so as to trigger the switch spring to conduct the golden finger on the control circuit board;
the knob upper cover is buckled on the periphery of the button end cover and clamped on the outer side of the knob lower cover, and is used for adjusting resistance by rotating the knob upper cover to drive the knob lower cover to rotate along the circumferential direction of the encoder and enabling the button and the button end cover to move upwards for resetting by pressing the knob upper cover through the resilience force of the button resetting spring;
the upper part of the button reset spring is abutted against the lower part of the button, the lower part of the button reset spring is abutted against the upper part of the button supporting seat and used for enabling the button to be separated from a clamping position by pressing the knob upper cover, and further enabling the button end cover to automatically reset by the resilience force of the button reset spring when the button end cover is loosened and enabling the button to be separated from the golden finger on the control circuit board;
the fluted disc is sleeved on the outer sides of the button and the button supporting seat;
the upper part of the fluted disc reset spring is abutted against the lower part of the fluted disc, the lower part of the fluted disc reset spring is abutted against the upper part of the knob lower cover, and the fluted disc and the knob upper cover are automatically reset through the resilience force of the fluted disc reset spring when the pressed knob upper cover is loosened.
2. The rotary switch control device according to claim 1,
the circumferential edge of the button end cover extends downwards to form an end cover lower extension part, and the bottom of the end cover lower extension part is provided with a first step surface which is vertical in section, high outside and low inside;
the peripheral edge of the button extends upwards to form a button upper extension part, and the top of the button upper extension part is provided with a second step surface which is high outside and low inside in vertical section and is shaped like a L;
the first step surface and the second step surface are buckled with each other and used for preventing the button end cover from loosening.
3. The knob switch control device according to claim 1, wherein a lower center of the button extends downward to form a lower button portion, and the lower button portion is connected to an upper portion of the switch spring for moving the lower button portion downward by pressing the button cover to trigger the switch spring to turn on the gold finger on the control circuit board.
4. The rotary switch control device according to claim 3, wherein the button support base comprises an upper support base, a lower support base, a support base connecting portion and a support base through hole, wherein:
the upper supporting seat is arranged around the circumferential edge of the supporting seat connecting part, a plurality of supporting seat inner side grooves and supporting seat side wall through holes which are alternately arranged are formed in the inner side of the periphery of the upper supporting seat, and a plurality of supporting seat outer side grooves are formed in the outer side of the periphery of the upper supporting seat;
the lower supporting seat is arranged below the supporting seat connecting part, and a plurality of supporting seat outer side clamping blocks are arranged on the outer sides of the periphery of the lower supporting seat;
the supporting seat through hole is formed in the center of the supporting seat connecting portion and used for the lower extending portion of the button to penetrate through the supporting seat through hole and then be connected with the upper portion of the switch spring.
5. The rotary switch control device of claim 4, wherein the button comprises a plurality of button inner protrusions, button outer protrusions, and button outer snaps, wherein:
the plurality of button inner side lugs are arranged on the inner side wall of the circumferential edge of the button;
the plurality of button outer side lugs are arranged on the outer side wall of the circumferential edge of the button, can be sleeved in the plurality of support seat inner side grooves corresponding to the positions of the button outer side lugs, are used for limiting the circumferential rotation of the button and can move up and down in the support seat inner side grooves when the button end cover is pressed;
the button outer side buckling pieces are arranged on the outer side wall of the circumferential edge of the button and are provided with button clamping teeth, and the button outer side buckling pieces can penetrate through a plurality of supporting seat side wall through holes corresponding to the positions of the button and are connected with the fluted disc in a clamping mode.
6. The rotary switch control device as claimed in claim 5, wherein the peripheral edge of the display screen is provided with a plurality of display screen grooves corresponding to the positions of the plurality of button inner side projections, and the plurality of display screen grooves and the button inner side projections are engaged with each other for positioning the display screen and aligning the left and right central planes thereof.
7. The rotary knob switch control device according to claim 5, wherein the rotary knob lower cover comprises a lower cover upper portion, a lower cover lower portion, a lower cover annular connecting portion, a lower cover through hole, and a plurality of through hole protrusions and through hole clamping blocks, wherein:
the outer ring of the lower cover annular connecting part extends upwards to form the upper part of the lower cover, and a plurality of lower cover upper part outer side grooves are formed in the outer sides of the periphery of the upper part of the lower cover;
the inner ring of the lower cover annular connecting part extends downwards to form the lower part of the lower cover;
the lower cover through hole penetrates through the lower part of the lower cover, and a plurality of through hole lugs and through hole clamping blocks are alternately arranged on the inner side wall of the lower cover through hole.
8. The rotary knob switch control device according to claim 7, wherein the fluted disc comprises a fluted disc body, a fluted disc outward turning portion, and a plurality of fluted disc protrusions and fluted disc fasteners, wherein:
the upper part of the fluted disc body extends outwards to form the fluted disc outwards-turning part, the upper part of the fluted disc reset spring is abutted against the lower part of the fluted disc outwards-turning part, and the lower part of the fluted disc reset spring is abutted against the upper part of the annular connecting part of the lower cover;
the fluted disc convex blocks are arranged on the inner side wall of the fluted disc body and correspond to the positions of the grooves on the outer side of the supporting seat, and the fluted disc convex blocks are clamped with the grooves on the outer side of the supporting seat;
the fluted disc clamping pieces are arranged on the inner side wall of the fluted disc body and correspond to the positions of the supporting seat side wall through holes, and the fluted disc clamping pieces are buckled with the button outer side clamping pieces penetrating through the supporting seat side wall through holes.
9. The rotary switch control device according to claim 8, wherein the fluted disc fastener comprises a fluted disc upper fastening tooth and a fluted disc lower fastening tooth which are arranged in parallel up and down;
when the button end cover is pressed, the button moves downwards to drive the button clamping teeth to move downwards from the fluted disc upper clamping teeth to be clamped into the fluted disc lower clamping teeth and compress the button reset spring so as to trigger the switch spring to conduct the golden finger on the control circuit board;
when the knob upper cover is pressed, the knob upper cover and the fluted disc simultaneously move downwards, the fluted disc lower clamping teeth extrude out the button clamping teeth, the fluted disc lower clamping teeth and the button clamping teeth are in a separated state, the button clamping teeth move upwards and are clamped into the fluted disc upper clamping teeth through the resilience force of the button reset spring so as to drive the button and the button end cover to move upwards and reset, and meanwhile, the button is separated from the golden finger on the control circuit board;
when the knob upper cover is loosened, the fluted disc and the knob upper cover are moved upwards and reset by the resilience force of the fluted disc reset spring.
10. The rotary knob switch control device according to claim 8, wherein the outer diameter of the fluted disc return spring does not exceed the outer diameter of the fluted disc outward turning portion, so as to prevent the fluted disc return spring sleeved on the fluted disc outer side from being separated from the fluted disc outward turning portion.
11. The rotary knob switch control device according to claim 7, wherein a plurality of upper encoder grooves and lower encoder grooves are formed around the periphery of the encoder, the upper encoder grooves and the lower encoder grooves are alternately arranged up and down, the upper encoder grooves and the through hole protrusions in the lower rotary knob cover are clamped, and the lower encoder grooves and the through hole clamping blocks in the lower rotary knob cover are clamped;
and a plurality of encoder inner grooves corresponding to the positions of the plurality of supporting seat outer side clamping blocks are arranged on the periphery of the inner side of the encoder, and the plurality of encoder inner grooves are clamped with the plurality of supporting seat outer side clamping blocks.
12. The knob switch control device according to claim 7, wherein a plurality of upper cover inner side projections corresponding to the plurality of lower cover upper outer side grooves are provided on the inner side wall around the knob upper cover, and the plurality of upper cover inner side projections are correspondingly clamped into the plurality of lower cover upper outer side grooves for realizing the linkage of the knob upper cover and the knob lower cover;
an upper cover through hole is formed in the middle of the knob upper cover, and the circumferential edge of the upper cover through hole corresponds to the circumferential edge of the upper support seat and is used for accommodating and installing the button and the button end cover.
13. A rotary switch control device according to claim 4,
the supporting seat through hole extends upwards to form a through hole extending wall;
a spring fixing base is arranged between the lower part of the button and the lower extension part of the button;
the through hole extending wall and the spring fixing base are correspondingly arranged up and down, the hole diameters of the through hole extending wall and the spring fixing base are consistent, and the through hole extending wall and the spring fixing base are used for sleeving the button reset spring, so that the button reset spring is prevented from transversely moving on the periphery of the through hole extending wall and the spring fixing base.
14. The rotary switch control device as claimed in claim 1, wherein the button cover is made of a transparent material for facilitating a user to clearly see the related motion parameter information displayed on the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091383.8A CN112927970B (en) | 2021-01-23 | 2021-01-23 | Knob switch control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091383.8A CN112927970B (en) | 2021-01-23 | 2021-01-23 | Knob switch control device |
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| Publication Number | Publication Date |
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| CN112927970A CN112927970A (en) | 2021-06-08 |
| CN112927970B true CN112927970B (en) | 2022-05-06 |
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| CN202110091383.8A Active CN112927970B (en) | 2021-01-23 | 2021-01-23 | Knob switch control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113808871B (en) * | 2021-08-25 | 2023-10-20 | 三一重机有限公司 | One-key starting switch and engineering machinery |
| CN114709098B (en) * | 2022-04-11 | 2023-05-26 | 冠捷电子科技(福建)有限公司 | Display side-pressing knob structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203530716U (en) * | 2013-11-18 | 2014-04-09 | 夏普株式会社 | Knob button of washing machine |
| CN107700147B (en) * | 2016-08-09 | 2024-03-22 | 松下家电(中国)有限公司 | Washing machine |
| CN206440063U (en) * | 2016-12-29 | 2017-08-25 | 杜世茂 | The knob and refrigerator of a kind of refrigerator |
| CN110045767A (en) * | 2019-05-09 | 2019-07-23 | 苏州暖舍节能科技有限公司 | A kind of knob intelligent temperature controller |
| EP3872251B1 (en) * | 2019-07-03 | 2023-06-07 | Whirlpool China Co., Ltd. | Knob structure for washing machine and washing machine |
| CN110941306B (en) * | 2019-10-08 | 2024-07-05 | 滁州翰林智能科技有限公司 | Electronic knob device with display and gas stove using same |
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