CN117012576A - Knob button structure and switch - Google Patents

Abstract

The application relates to the technical field of mechanical control, in particular to a knob button structure and a switch, wherein the knob button structure comprises: pressing a knob panel, an elastic panel, an annular encoder, a PCB, keys and a bottom plate; the pressing knob panel, the elastic panel and the PCB are sequentially arranged on the bottom plate, one end of the PCB, which faces the elastic panel, is provided with the annular encoder, the other end of the PCB, which faces away from the elastic panel, is provided with the keys, and a gap exists between the keys and the bottom plate. The technical scheme provided by the application can avoid the problems of vibration sound, clamping piece and the like, and can be suitable for large-size scenes.

Description

Knob button structure and switch

Technical Field

The application relates to the technical field of mechanical control, in particular to a knob button structure and a switch.

Background

The existing encoder with the button knob for multiple uses has not only a rotation control function but also a button control function; in the control manner, the structure of the key panel is roughly divided into two parts, one part controlling the rotation function, i.e., rotating the control panel, and the other part controlling the key control function, i.e., pressing the rotation panel.

The key panel is divided into a rotating structure and a pressing structure, and a small gap is necessarily reserved between the two structures; friction may occur at the contact position of the two structures, and the respective parts are aged and deformed during long-term use, so that problems such as vibration and clamping are easy to occur.

The above problems are more pronounced if the size of the encoder used for the knob with key is increased, so that the conventional encoders used for the knob with key are small in size, i.e. cannot be applied to the needs of scenes with large size (structure is greater than 50 mm).

Disclosure of Invention

The technical problems to be solved by the embodiment of the application are that the existing encoder with the knob used for a plurality of keys can generate vibration sound, clamping pieces and the like after long-term use, and the existing encoder with the knob used for a plurality of keys cannot be suitable for large-size scenes.

In order to solve the above technical problems, an embodiment of the present application provides a knob key structure, which adopts the following technical scheme:

the knob button structure includes: pressing a knob panel, an elastic panel, an annular encoder, a PCB, keys and a bottom plate; the pressing knob panel, the elastic panel and the PCB are sequentially arranged on the bottom plate, one end of the PCB facing the elastic panel is provided with the annular encoder, the other end of the PCB facing away from the elastic panel is provided with the key, and a gap exists between the key and the bottom plate; the elastic panel comprises a supporting ring and an elastic ring, wherein the supporting ring is arranged on the periphery of the elastic ring, and the middle part of the elastic ring is communicated to form a through hole; the support ring is fixedly connected with the bottom plate, and the elastic ring is provided with a connecting part which is fixedly connected with the PCB; the pressing knob panel passes through the through hole to be connected with the annular encoder and controls the annular encoder to rotate; the pressing knob panel touches the elastic ring when descending and controls the deformation of the elastic ring.

Further, the pressing knob panel includes a knob cover and an extension pipe provided at a bottom of the knob cover, the extension pipe passing through the through hole to connect the ring encoder.

Further, a buckle is arranged on the inner wall of the extension pipe, a clamping groove is formed in the annular encoder, and the buckle is connected with the clamping groove in a buckling mode.

Further, the pressing knob panel further comprises a force guide rail formed by protruding the lower end face of the rotary cover towards the direction of the elastic ring, the force guide rail is opposite to the elastic ring and is arranged in a surrounding mode, and the lower end face of the force guide rail is narrower than the upper end face of the force guide rail.

Further, a limiting ring is arranged on the inner periphery of the elastic ring, the diameter of the outer wall of the limiting ring is larger than that of the outer wall of the extension pipe, and the limiting ring is sleeved on the outer side of the extension pipe; the connecting structure comprises a first support column, the first support column is arranged between the elastic ring and the limiting ring, and the PCB is fixed on the first support column.

Further, the elastic ring is lower than the limiting ring and the supporting ring in height to form an elastic ring groove.

Further, the base plate includes a base plate housing and a base plate flange; the bottom plate shell is U-shaped and encloses to form a bottom plate inner cavity, the PCB is arranged in the bottom plate inner cavity, and the bottom plate flange is arranged at the opening of the bottom plate shell; the elastic panel further comprises a second support column, one end of the second support column is fixed on the end face, close to the bottom plate, of the support ring, and the other end of the second support column is fixed on the bottom plate flange.

In order to solve the technical problems, the embodiment of the application also provides a knob key structure, which adopts the following technical scheme:

the knob button structure includes: the device comprises an annular encoder, a PCB, keys, a bottom plate and an elastic panel; the annular encoder and the keys are arranged at the upper end of the PCB, and the keys are arranged in the annular encoder; the PCB is arranged in the bottom plate; the elastic panel is arranged on the top of the bottom plate; the elastic panel comprises a supporting ring, an elastic ring, a locking bar, a sliding bar and a guide column; the support ring is arranged on the periphery of the elastic ring, the locking strip and the sliding strip are arranged at the bottom of the support ring, the sliding strip is positioned on the outer side of the locking strip, the sliding strip is connected with the bottom plate, and the locking strip is connected with the periphery of the annular encoder and controls the annular encoder to rotate; the guide column is arranged at the bottom of the elastic ring and is opposite to the key, and the elastic ring drives the guide column to move when descending so as to touch the key.

Further, two groups of lantern rings are arranged on the peripheral surface of the bottom plate, the lantern rings are arranged in a clearance mode and form a sliding rail, and the sliding strip slides on the sliding rail.

In order to solve the technical problems, the embodiment of the application also provides a switch, which adopts the following technical scheme:

the switch comprises: the knob button structure is characterized in that the knob button is provided with a knob button structure.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

(1) The deformation of the elastic panel replaces the panel in the prior art, so that the problems of vibration, clamping and the like of the rotating part and the pressing part after long-term use are avoided.

(2) The structure of the elastic panel is used for breaking through the conventional design thought in the prior art, and the switch can be designed into a larger size.

Drawings

In order to more clearly illustrate the solution of the present application, a brief description will be given below of the drawings required for the description of the embodiments, it being apparent that the drawings in the following description are some embodiments of the present application and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a knob key structure in one embodiment of the application;

FIG. 2 is an exploded view of a knob button structure according to an embodiment of the present application;

FIG. 3 is a schematic view of the pressing knob panel of FIG. 2;

FIG. 4 is a schematic view of the elastic panel in FIG. 2;

fig. 5 is a schematic diagram of the assembly structure on the PCB in fig. 2;

FIG. 6 is a cross-sectional view of the floor structure of FIG. 2;

fig. 7 is a cross-sectional view of a knob button structure according to another embodiment of the present application.

Reference numerals: 100-a knob key structure; 1-pressing a knob panel; 11-a knob cover; 12-a control member; 13-a force-guiding rail; 121-extension tube; 122-snap; 123-clamping strips; 2-an elastic panel; 21-a support ring; 22-elastic ring; 23-through holes; 24-first support columns; 25-second support columns; 26-a confinement ring; 27-a connecting part; a 3-ring encoder; 31-clamping grooves; 32 open slots; 4-a PCB board; 5-key pressing; 6-a bottom plate; 61-a floor housing; 62-floor cavity; 63-floor flange; 64-a bottom plate locking port; 65-key grooves; 66-pin grooves; 7-elastic panels, 71-support rings; 72-an elastic ring; 73-locking bar; 74-sliding bars; 75-guiding columns; 8-collar.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Embodiment one of knob button Structure

Referring to fig. 1 to 6, a knob key structure 100 of the present application includes: the pressing knob panel 1, the elastic panel 2, the annular encoder 3, the PCB 4, the keys 5 and the bottom plate 6; the pressing knob panel 1, the elastic panel 2 and the PCB 4 are sequentially arranged on the bottom plate 6, one end of the PCB 4 facing the elastic panel 2 is provided with the annular encoder 3, the other end of the PCB 4 facing away from the elastic panel 2 is provided with the key 5, and a gap exists between the key 5 and the bottom plate 6; the elastic panel 2 comprises a supporting ring 21 and an elastic ring 22, wherein the supporting ring 21 is arranged on the periphery of the elastic ring 22, and the middle part of the elastic ring 22 is communicated to form a through hole 23; the supporting ring 21 is fixedly connected with the bottom plate, and the elastic ring 22 is provided with a connecting part 27 which is fixedly connected with the PCB 4; the pressing knob panel 2 is connected to the ring encoder 3 through the through hole 23, and controls the ring encoder 3 to rotate; the pressing knob panel 1 touches the elastic ring 22 when it descends, and controls the deformation of the elastic ring 22.

In this embodiment, the annular encoder 3 is disposed on the upper end surface of the PCB 4, the key 5 is disposed on the lower end surface of the PCB 4, the trigger annular encoder 3 only needs to rotate to press the knob panel 1, the trigger key 5 needs to control the PCB 4 to move downward, the key 5 touches the bottom plate 6 to complete the trigger, the gap between the key 5 and the bottom plate 6 provides a space for the PCB 4 to move downward, and the elastic panel 2 needs to complete a certain stroke to trigger the key 5; the supporting ring 21 is positioned at the periphery of the elastic ring 22 and fixedly connected with the bottom plate 6 to play a supporting role; the elastic ring 22 is fixedly connected with the PCB board and plays a role in transmitting the downward pressure force; because the supporting ring 21 is limited to move by the bottom plate 6, when the knob panel 1 is pressed, the knob panel 1 moves downwards to contact the elastic ring 22, the elastic ring 22 deforms when being subjected to downward pressure, the connecting part 27 descends to drive the PCB 4 to move downwards, at the moment, the gap between the key 5 and the bottom plate 6 is gradually reduced until the key 5 touches the bottom plate, and the triggering of the key 5 is completed; the elastic ring 22 has a memory function, and when the elastic ring 22 is released from being pressed, the elastic ring 22 returns to the original position, namely the elastic ring 22 can automatically move upwards; the middle part of the elastic ring 22 is penetrated to form a through hole 23, the pressing knob panel 1 passes through the through hole 23 to be connected with the annular encoder 23, the annular encoder 3 can be rotated by rotating the pressing knob panel 1, the requirement of rotation function control is realized, and the elastic ring 22 is deformed without pressing the knob panel 1 when the annular encoder 3 rotates.

Through the deformation of elastic ring 22, button knob panel 1 need not divide into rotation part and pressing part on same panel, avoided the clearance between rotation part and the pressing part to appear shaking sound, fastener scheduling problem after long-term use promptly, owing to do not have above-mentioned problem, the size of button knob panel 1's structure can be designed great (more than 50 mm), break through the problem that the encoder size that the button knob in prior art used more is less in the size, button knob panel 1 and bottom plate 6 parcel other parts in the use form the protective layer, button knob panel 1 regard as touch panel, after its atress again with pressure or steering force respectively turn to elastic panel 2 and annular encoder 3, avoid elastic panel 2 direct contact external world, can improve the outward appearance of button knob panel 1 simultaneously, form more ornamental structure.

Specifically, the pressing knob panel 1 includes a knob cover 11 and an extension pipe 12, the extension pipe 12 is provided at the bottom of the knob cover 11, and the extension pipe 12 is connected to the ring encoder 3 through the through hole 23.

The extension pipe 12 is used for penetrating the through hole 23 to be connected with the annular encoder 3, and the tubular structure transmits steering force stably; the knob cover 11 serves as a touch panel, and pressing or rotating the knob cover 11 causes the entire pressing knob panel 1 to move.

Specifically, a buckle 122 is provided on the inner wall of the extension pipe 12, and a clamping groove 31 is provided on the annular encoder 3, and the buckle 122 is in buckle connection with the clamping groove 31.

The buckles 122 are clamped into the clamping grooves 31, the buckles 122 can rotate to drive the clamping grooves 31 to rotate, and the buckles 122 and the clamping grooves 31 are arranged in a plurality of groups in an array mode, so that force transmission can be stable; the extension pipe 121 is further provided with a locking strip 123, the outer periphery of the annular encoder 3 is further provided with an open groove 32, the upper end of the open groove 32 is provided with a locking strip 123, and when the buckle 122 is locked into the locking groove 31, the locking strip 123 is locked into the groove 32.

Specifically, the pressing knob panel 1 further includes a force guiding rail 13 formed by protruding the lower end surface of the rotary cover 11 toward the direction of the elastic ring, the force guiding rail 13 is opposite to and surrounds the elastic ring 22, and the lower end surface of the force guiding rail 13 is narrower than the upper end surface thereof, so as to concentrate the pressure applied to the pressing knob panel 1.

Specifically, the inner circumference of the elastic ring 22 is provided with a limiting ring 26, the diameter of the outer wall of the limiting ring 26 is larger than that of the outer wall of the extension pipe 121, and the limiting ring 26 is sleeved outside the extension pipe 121; the connection structure 27 includes a first support column 24, the first support column 24 is disposed between the elastic ring 22 and the limiting ring 26, and the PCB board 4 is fixed on the first support column 24.

In this embodiment, the limiting ring 26 limits the elastic ring to deform uniformly, the connecting member 27 is a first supporting column 24, the first supporting column 24 is connected with the PCB board 4 through a bolt, in other embodiments, the connecting member 27 may be other structures such as a buckle, and the connecting manner is not limited to the above-mentioned connecting manner, and may be riveting, pin connection, or the like.

Specifically, the elastic ring 22 is lower in height than the limiting ring 26 and the supporting ring 21 to form an elastic ring groove.

In the pressing process, the force guide rail 13 enters the elastic ring groove to intensively press the pressure applied to the knob panel 1, meanwhile, the thickness of the elastic ring 22 is thinner than that of the supporting ring 21, the elastic ring 22 is convenient to deform, and the lower end surface of the force guide rail 13 extends towards the direction of the elastic ring groove to adapt to the structure of the elastic ring groove.

Specifically, the floor 6 includes a floor housing 61 and a floor flange 63; the bottom plate shell 61 is U-shaped and encloses a bottom plate cavity 62, the PCB 4 is arranged in the bottom plate cavity 62, and the bottom plate flange 63 is arranged at the opening of the bottom plate shell 61; the elastomeric panel 2 further comprises a second support column 25, one end of the second support column 25 being fixed to the end face of the support ring 71 adjacent to the base plate 6, and the other end being fixed to the base plate flange 63.

The U-shaped chassis housing 61 may accommodate the PCB 4 and the ring encoder 3 and the keys 5 disposed on the PCB 4, and the elastic panel 2 and part of the pressing knob panel 1, so as to reduce the overall structure of the knob key structure 100, the chassis 6 further includes a key groove 65 and a pin groove 66, the key groove 65 is disposed on the chassis housing 61 corresponding to the key 5, the pin groove 66 is disposed on the chassis housing 61 corresponding to the pin of the electronic component (the pin is omitted in part of the drawing), and the arrangement of the key groove 65 and the pin groove 66 further increases the compactness of the overall part.

In the present embodiment, the second support post 25 is connected to the bottom plate flange 63 by bolts, and in other embodiments of the present application, the connection method is not limited to the above connection method, and may be riveting, pin connection, or the like.

Second embodiment of knob button structure

Referring to fig. 7, the knob button structure 100 of the present application includes: the annular encoder 3, the PCB 4, the keys 5, the bottom plate 6 and the elastic panel 2; the annular encoder 3 and the keys 5 are arranged at the upper end of the PCB 4, and the keys 5 are arranged inside the annular encoder 3; the PCB 4 is arranged in the bottom plate 6; the elastic panel 7 is installed on the top of the bottom plate 6; the elastic panel 7 includes a support ring 71, an elastic ring 72, a locking bar 73, a sliding bar 74, and a guide post 75; the supporting ring 71 is arranged on the periphery of the elastic ring 72, the locking strip 73 and the sliding strip 74 are arranged at the bottom of the supporting ring 71, the sliding strip 74 is positioned outside the locking strip 73, the sliding strip 74 is connected with the bottom plate 6, and the locking strip 73 is connected with the periphery of the annular encoder 3 and controls the annular encoder 3 to rotate; the guiding post 75 is disposed at the bottom of the elastic ring 72 and is opposite to the key 5, and when the elastic ring 72 descends, the guiding post 75 is driven to move so as to touch the key 5.

In the embodiment, the annular encoder 3 and the keys 5 are arranged on the upper end face of the PCB 4, and the keys 5 are positioned in the annular encoder 3; the bottom plate 6 is of a U-shaped structure, the PCB 4 is prevented from being arranged in the shell, and the pressing knob elastic arm 7 is arranged in the direction of the opening of the bottom plate 6; the guide post 75 is arranged on the lower end surface of the elastic ring 72 and is positioned right above the key 5; the rigid ring 71 is connected with the annular encoder 3 and the bottom plate 6 through a locking bar 73 and a sliding bar 74 respectively; the annular encoder 3 is provided with a clamping groove 31, and the locking strip 73 is clamped into the clamping groove 31; the knob elastic arm 7 is rotated and pressed, and the locking strip 73 drives the annular encoder 3 to rotate, so that the requirement of rotation function control is met; the flexible ring 72 of the knob elastic arm 7 is pressed and rotated to deform and move downwards, and the guide column 75 moves downwards along with the flexible ring and touches the key 5, so that the key 5 is triggered.

Specifically, two sets of collars 8 are disposed on the outer peripheral surface of the bottom plate 6, the collars 8 are disposed at intervals and form a sliding rail, and the sliding bar 74 slides on the sliding rail

The two symmetrical half rings form a lantern ring 8, the lantern rings 8 are arranged at intervals to form a sliding rail, and the sliding bar 74 is inserted into the sliding rail; when the knob elastic arm 7 is pressed to rotate, the locking bar 73 drives the annular encoder 3 to rotate together, and the sliding bar 74 slides on the sliding rail.

The embodiment of the application also provides a switch, which comprises the knob button structure, and the switch of the embodiment of the application comprises various types of switches, such as an audio switch.

The switch with the key knob structure can be set to be of a larger size, and in the long-term use process, a series of problems such as jolt and clamping pieces cannot be caused because of the increase of a gap between the rotating part and the pressing part or mutual friction between the rotating part and the pressing part due to aging problems.

It is apparent that the above-described embodiments are only some embodiments of the present application, but not all embodiments, and the preferred embodiments of the present application are shown in the drawings, which do not limit the scope of the patent claims. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the scope of the application.

Claims (10)

1. A knob button structure, characterized by comprising:

pressing a knob panel, an elastic panel, an annular encoder, a PCB, keys and a bottom plate;

the pressing knob panel, the elastic panel and the PCB are sequentially arranged on the bottom plate, one end of the PCB facing the elastic panel is provided with the annular encoder, the other end of the PCB facing away from the elastic panel is provided with the key, and a gap exists between the key and the bottom plate;

the elastic panel comprises a supporting ring and an elastic ring, wherein the supporting ring is arranged on the periphery of the elastic ring, and the middle part of the elastic ring is communicated to form a through hole; the support ring is fixedly connected with the bottom plate, and the elastic ring is provided with a connecting part which is fixedly connected with the PCB;

the pressing knob panel passes through the through hole to be connected with the annular encoder and controls the annular encoder to rotate; the pressing knob panel touches the elastic ring when descending and controls the deformation of the elastic ring.

2. The knob button structure according to claim 1, wherein the pressing knob panel comprises a knob cover and an extension pipe provided at a bottom of the knob cover, the extension pipe being connected to the ring encoder through the through hole.

3. The knob button structure according to claim 2, wherein a buckle is provided on an inner wall of the extension pipe, a clamping groove is provided on the ring encoder, and the buckle is in buckled connection with the clamping groove.

4. The knob button structure according to claim 2, wherein the pressing knob panel further comprises a force guide rail formed by protruding the lower end face of the rotary cover towards the direction of the elastic ring, the force guide rail is opposite to the elastic ring and is arranged around the elastic ring, and the lower end face of the force guide rail is narrower than the upper end face of the force guide rail.

5. The knob button structure according to claim 4, wherein a limiting ring is arranged on the inner periphery of the elastic ring, the diameter of the outer wall of the limiting ring is larger than that of the outer wall of the extension pipe, and the limiting ring is sleeved on the outer side of the extension pipe; the connecting structure comprises a first support column, the first support column is arranged between the elastic ring and the limiting ring, and the PCB is fixed on the first support column.

6. The knob button structure according to claim 5, wherein the elastic ring is lower in height than the limiting ring and the supporting ring to form an elastic ring groove.

7. The knob button arrangement according to claim 1, wherein the base plate comprises a base plate housing and a base plate flange;

the bottom plate shell is U-shaped and encloses to form a bottom plate inner cavity, the PCB is arranged in the bottom plate inner cavity, and the bottom plate flange is arranged at the opening of the bottom plate shell;

the elastic panel further comprises a second support column, one end of the second support column is fixed on the end face, close to the bottom plate, of the support ring, and the other end of the second support column is fixed on the bottom plate flange.

8. A knob button structure, characterized by comprising:

the device comprises an annular encoder, a PCB, keys, a bottom plate and an elastic panel;

the annular encoder and the keys are arranged at the upper end of the PCB, and the keys are arranged in the annular encoder;

the PCB is arranged in the bottom plate;

the elastic panel is arranged on the top of the bottom plate;

the elastic panel comprises a supporting ring, an elastic ring, a locking bar, a sliding bar and a guide column;

the support ring is arranged on the periphery of the elastic ring, the locking strip and the sliding strip are arranged at the bottom of the support ring, the sliding strip is positioned on the outer side of the locking strip, the sliding strip is connected with the bottom plate, and the locking strip is connected with the periphery of the annular encoder and controls the annular encoder to rotate;

the guide column is arranged at the bottom of the elastic ring and is opposite to the key, and the elastic ring drives the guide column to move when descending so as to touch the key.

9. The knob button structure according to claim 8, wherein two sets of collars are provided on an outer peripheral surface of the base plate, the collars are disposed in a gap and form a slide rail, and the slide bar slides on the slide rail.

10. A switch comprising a knob key structure according to any one of claims 1 to 7 or a knob key structure according to any one of claims 8 to 9.