CN112466699B - Knob structure and electronic equipment - Google Patents
Knob structure and electronic equipment Download PDFInfo
- Publication number
- CN112466699B CN112466699B CN202011425603.8A CN202011425603A CN112466699B CN 112466699 B CN112466699 B CN 112466699B CN 202011425603 A CN202011425603 A CN 202011425603A CN 112466699 B CN112466699 B CN 112466699B
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- CN
- China
- Prior art keywords
- piece
- housing
- key cap
- shell
- knob structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- 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
- H01H19/04—Cases; Covers
-
- 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
Landscapes
- Switches With Compound Operations (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a knob structure and an electronic device, wherein the knob structure comprises: the device comprises a shell, a substrate and keys, wherein the shell is provided with a plurality of positioning holes, and the positioning holes are annularly arranged; the base plate is arranged on the shell and is arranged with the plurality of positioning holes at intervals, the base plate is provided with a plurality of switches, and the switches are annularly arranged; the key comprises a key cap, a pressing piece and a clamping piece, wherein the pressing piece and the clamping piece are arranged on the key cap, the key cap is rotationally connected with the shell, the pressing piece is correspondingly arranged with the base plate, and one end of the clamping piece, which is far away from the key cap, is abutted with the shell; the key cap rotates and drives the clamping piece and the pressing piece to move, the clamping piece is limited at any one of the positioning holes, and the pressing piece corresponds to any one of the switches. The knob structure optimizes the installation structure between the keys and the shell.
Description
Technical Field
The present invention relates to the field of electronic devices, and in particular, to a knob structure and an electronic device using the knob structure.
Background
Currently, electronic products are widely used in daily life. Generally, an electronic product includes a housing, a circuit structure and a key disposed on the housing, and a user presses the key to trigger a switch on the circuit structure through the key, thereby triggering a function on the electronic product. When the electronic product integrates a plurality of functions, a plurality of keys are required to be arranged, so that the space occupied by the keys on the shell is larger, and the whole size of the electronic product is enlarged.
Disclosure of Invention
The invention mainly aims to provide a knob structure which aims to optimize a mounting structure between a key and a shell and improve the space utilization rate of the shell.
In order to achieve the above object, the present invention provides a knob structure comprising:
the shell is provided with a plurality of positioning holes, and the positioning holes are annularly arranged;
the base plate is arranged on the shell and is arranged at intervals with the positioning holes, the base plate is provided with a plurality of switches, and the switches are annularly arranged; and
The key comprises a key cap, a pressing piece and a clamping piece, wherein the pressing piece and the clamping piece are arranged on the key cap, the key cap is rotationally connected with the shell, the pressing piece is correspondingly arranged with the base plate, and one end of the clamping piece, which is far away from the key cap, is abutted with the shell;
the key cap rotates and drives the clamping piece and the pressing piece to move, the clamping piece is limited at any one of the positioning holes, and the pressing piece corresponds to any one of the switches.
In one embodiment of the present invention, the housing is provided with a first connecting member, a plurality of the positioning holes are arranged around the first connecting member, and a plurality of the switches are arranged around the first connecting member;
the surface of key cap protruding be equipped with the second connecting piece, the second connecting piece with press the piece with screens piece interval sets up, the second connecting piece with first connecting piece rotates to be connected.
In an embodiment of the invention, the clamping piece comprises a positioning cylinder body, a first spring and a sliding block, wherein the positioning cylinder body is connected with the key cap, the positioning cylinder body is provided with a sliding groove, the first spring and the sliding block are movably arranged in the sliding groove, one end of the first spring is abutted with the bottom wall of the sliding groove, the other end of the first spring is abutted with the sliding block, and one end of the sliding block deviating from the first spring is abutted with the shell.
In an embodiment of the invention, an end of the slider facing away from the first spring is provided as a spherical surface.
In an embodiment of the invention, the substrate is disposed in a ring shape, and the plurality of positioning holes are disposed around an outer edge of the substrate.
In one embodiment of the invention, the housing is provided with a mounting cavity for mounting a circuit board;
the first connecting piece is provided with the intercommunication the via hole of installation cavity, the second connecting piece wears to locate the via hole, the second connecting piece stretches into the one end of installation cavity is protruding to the periphery to be equipped with spacing platform, spacing platform with the spacing cooperation of the internal face in installation cavity.
In an embodiment of the invention, the knob structure further includes a second spring, and the second spring is sleeved on the first connecting piece or the second connecting piece.
In an embodiment of the invention, the housing is provided with a containing groove, the bottom wall of the containing groove is convexly provided with the first connecting piece, and the substrate is arranged on the bottom wall of the containing groove;
the keycap is at least partially accommodated in the accommodating groove.
In an embodiment of the invention, the key cap includes a first housing and a second housing, the first housing is circularly disposed, the second housing is disposed on a surface of the first housing and surrounds a periphery of the first housing, and the second housing is partially accommodated in the accommodating groove;
the second connecting piece, the pressing piece and the clamping piece are arranged on the surface of the first shell facing the second shell.
The invention also provides electronic equipment, which comprises a circuit board and the knob structure, wherein the circuit board is arranged on the shell of the knob structure, and the circuit board is electrically connected with the substrate.
According to the technical scheme, the shell is provided with a plurality of positioning holes, and the positioning holes are annularly arranged; the substrate is arranged on the shell, a plurality of switches are arranged on the substrate, and the switches are annularly arranged. Simultaneously, the key cap of button rotates with the shell to be connected, still is provided with the button piece and the screens piece that set up at intervals on the key cap. When the key cap rotates, the key cap rotates by taking the joint of the key cap and the shell as the circle center, and the key cap drives the pressing piece and the clamping piece to rotate around the circle center, so that the clamping piece can be limited at any one positioning hole, and the pressing piece corresponds to any one switch. At this time, when the pressing piece just can trigger the switch, the substrate can be matched with the circuit board connected with the substrate to trigger signals; when the pressing piece is at a certain distance from the opposite switch, a user can press the key cap to enable the pressing piece to be abutted with the opposite switch, so that the substrate can be matched with the circuit board connected with the substrate to trigger signals. The knob structure of the invention avoids the adoption of a space layout of a plurality of keys in a strip shape, and optimizes the installation structure between the keys and the shell.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a knob structure according to the present invention;
FIG. 2 is a schematic cross-sectional view of the inventive knob structure;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of the housing of the present invention;
fig. 5 is a schematic structural diagram of a key according to the present invention.
Reference numerals illustrate:
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a knob structure. Referring specifically to FIG. 1, a schematic diagram of an embodiment of a knob structure according to the present invention is shown; referring to FIG. 2, a schematic cross-sectional view of a knob structure according to the present invention is shown; referring to FIG. 3, there is shown an enlarged view of a portion of FIG. 2 at A; referring to FIG. 4, a schematic structural view of the housing of the present invention is shown; referring to fig. 5, a schematic diagram of a key structure according to the present invention is shown.
In the embodiment of the invention, as shown in fig. 1 and combined with fig. 2, 3 and 4, the knob structure comprises a housing 1, a substrate 2 and a key 3; the shell 1 is provided with a plurality of positioning holes 12, and the positioning holes 12 are annularly arranged; the base plate 2 is arranged on the shell 1 and is arranged at intervals with the plurality of positioning holes 12, the base plate 2 is provided with a plurality of switches 21, and the plurality of switches 21 are annularly arranged; the key 3 comprises a key cap 31, a pressing piece 33 and a clamping piece 34, wherein the pressing piece 33 and the clamping piece 34 are arranged on the key cap 31, the key cap 31 is rotationally connected with the shell 1, the pressing piece 33 is correspondingly arranged with the base plate 2, and one end of the clamping piece 34, which is far away from the key cap 31, is abutted with the shell 1; the key cap 31 rotates and drives the clamping piece 34 and the pressing piece 33 to move, the clamping piece 34 is limited at any one positioning hole 12, and the pressing piece 33 corresponds to any one switch 21.
In the present embodiment, by providing a plurality of positioning holes 12 on the housing 1, the plurality of positioning holes 12 are arranged in an annular shape; the substrate 2 is arranged on the shell 1 and is arranged with a plurality of positioning holes at intervals, a plurality of switches 21 are arranged on the substrate 2, and the switches 21 are annularly arranged. Meanwhile, the keycap 31 of the key 3 is rotatably connected with the housing 1, and a pressing piece 33 and a clamping piece 34 which are arranged at intervals are further arranged on the keycap 31. When the key cap 31 rotates, the key cap 31 rotates around the circle center at the joint of the key cap 31 and the housing 1, and the key cap 31 drives the pressing piece 33 and the clamping piece 34 to rotate around the circle center, so that the clamping piece 34 can be limited at any one positioning hole 12, that is, when the clamping piece 34 is clamped into any one positioning hole 12, based on the limiting structure of the positioning hole 12 and the clamping piece 34, a user can sense a pause sense, and the user can intuitively know that the pressing piece 33 is positioned above the corresponding switch 21; meanwhile, the pressing piece 33 is made to correspond to any one of the switches 21. At this time, when the pressing piece 33 just can trigger the switch 21, the substrate 2 can be matched with the circuit board connected with the substrate 2 to perform signal triggering; when the pressing piece 33 is at a certain distance from the opposite switch 21, the user can press the key cap 31 to enable the pressing piece 33 to be abutted against the opposite switch 21, so that the substrate 2 can be matched with the circuit board connected with the substrate 2 to trigger signals. The knob structure of the invention avoids the adoption of a long-strip space layout of a plurality of keys 3, and optimizes the installation structure between the keys 3 and the shell 1.
In an alternative embodiment of the present invention, the first connector 11 is disposed on the housing 1, and the second connector 32 may be disposed on the center of the key cap 31, where the first connector 11 is rotatably connected with the second connector 32. That is, the connection structure between the first connecting member 11 and the second connecting member 32 may be a socket or an insert.
In an alternative embodiment of the present invention, the housing 1 is provided with a receiving groove 15, and the key cap 31 is received in the receiving groove 15; the key cap 31 is rotatably connected with the side wall or the bottom wall of the accommodating groove 15. That is, the key cap 31 may be configured to be engaged with the inner wall surface of the receiving groove 15 through a sliding groove.
In one embodiment of the present invention, the housing 1 is provided with a first connecting member 11, a plurality of positioning holes 12 are provided around the first connecting member 11, and a plurality of switches 21 are provided around the first connecting member 11; the surface of the key cap 31 is convexly provided with a second connecting piece 32, the pressing piece 33 and the clamping piece 34 are arranged at intervals, and the second connecting piece 32 is rotationally connected with the first connecting piece 11. Wherein, the second connecting piece 32 may be located at the axis of the key cap 31.
In an alternative embodiment of the present invention, the knob structure includes a housing 1, a substrate 2, and a key 3; the housing 1 is provided with a first connecting piece 11 and a plurality of positioning holes 12, and the positioning holes 12 are arranged around the first connecting piece 11; the base plate 2 is arranged on the shell 1 and is arranged at intervals with the plurality of positioning holes 12, the base plate 2 is provided with a plurality of switches 21, and the plurality of switches 21 are arranged around the first connecting piece 11; the key 3 includes a key cap 31, a second connecting member 32 provided on the key cap 31, a pressing member 33 and a positioning member 34, the second connecting member 32 is rotatably connected to the first connecting member 11, and the pressing member 33 and the positioning member 34 are disposed at intervals from the second connecting member 32.
In the implementation of this embodiment, the key cap 31 rotates and drives the positioning member 34 and the pressing member 33 to move, where the positioning member 34 is limited to any one of the positioning holes 12, and the pressing member 33 corresponds to any one of the switches 21. The clamping piece 34 is limited in any one of the positioning holes 12 in the rotation of the key 3, so that the damping sense and the pause sense of the rotation of the key 3 are realized, and the use experience is improved.
In the application of the embodiment, the user can rotate the key 3, so that the key 3 rotates clockwise or anticlockwise, so that the pressing piece 33 is abutted against any one of the switches 21, and the switches 21 are matched with the substrate 2 and a circuit board electrically connected with the substrate 2, thereby triggering an electric signal and realizing the realization of a certain function; wherein, a certain function is a user-defined function, for example: when the knob structure is applied to the electronic device, the electronic device may be a sound box, and a certain function may be volume increase, play start, play pause, start-up and shut-down.
In the present embodiment, by providing the first connection member 11 on the housing 1, and providing the plurality of positioning holes 12 surrounding the first connection member 11 on the housing 1; the substrate 2 is provided to the housing 1, and a plurality of switches 21 surrounding the first connector 11 are provided on the substrate 2. Meanwhile, a second connecting piece 32 is arranged on a keycap 31 of the key 3, the keycap 31 is rotatably connected with the shell 1 through cooperation of the second connecting piece 32 and the first connecting piece 11, and a pressing piece 33 and a clamping piece 34 which are spaced from the second connecting piece 32 are further arranged on the keycap 31. When the key cap 31 rotates, the key cap 31 rotates around the center of the circle at the connection position of the second connecting piece 32 and the first connecting piece 11, the key cap 31 drives the pressing piece 33 and the clamping piece 34 to rotate around the center of the circle, so that the clamping piece 34 can be limited at any one of the positioning holes 12, that is, when the clamping piece 34 is clamped into any one of the positioning holes 12, based on the limiting structure of the positioning holes 12 and the clamping piece 34, a user can sense a pause sense, and the user can intuitively know that the pressing piece 33 is positioned above the corresponding switch 21; meanwhile, the pressing piece 33 is made to correspond to any one of the switches 21. At this time, when the pressing piece 33 just can trigger the switch 21, the substrate 2 can be matched with the circuit board connected with the substrate 2 to perform signal triggering; when the pressing piece 33 is at a certain distance from the opposite switch 21, the user can press the key cap 31 to enable the pressing piece 33 to be abutted against the opposite switch 21, so that the substrate 2 can be matched with the circuit board connected with the substrate 2 to trigger signals. The knob structure of the invention avoids the adoption of a long-strip space layout of a plurality of keys 3, and optimizes the installation structure between the keys 3 and the shell 1.
In an alternative embodiment of the present invention, as shown in fig. 3 and 5, the pressing member 33 and the positioning member 34 are located on two sides of the second connecting member 32, that is, a plane formed by a central axis of the pressing member 33 and a central axis of the positioning member 34 coincides with a central axis of the second connecting portion, so as to improve the stress balance of the key 3.
In an alternative embodiment of the present invention, the housing 1 may be provided with a receiving groove 15 corresponding to the key 3.
In an alternative embodiment of the present invention, the key 3 may be a circular plate structure, and the second connecting member 32, the pressing member 33 and the positioning member 34 are disposed on one side of the circular plate structure.
In an alternative embodiment of the present invention, as shown in fig. 5, the key 3 may be a cover structure, and one side of the cover structure has a groove, and the second connecting member 32, the pressing member 33 and the positioning member 34 are disposed in the groove of the cover structure.
In an alternative embodiment of the present invention, the detent element 34 may be made of elastic material; for example: silica gel material and plastic material, etc.
In an alternative embodiment of the present invention, the detent member 34 may have a spring structure, so as to generate a telescopic movement when the key 3 rotates, thereby improving the flexibility of the key 3 rotating.
In an embodiment of the present invention, as shown in fig. 3 and 5, the positioning member 34 includes a positioning cylinder 341, a first spring 343 and a slider 344, the positioning cylinder 341 is connected to the key cap 31, the positioning cylinder 341 is provided with a chute 342, the first spring 343 and the slider 344 are movably disposed in the chute 342, one end of the first spring 343 abuts against a bottom wall of the chute 342, the other end of the first spring 343 abuts against the slider 344, and one end of the slider 344 away from the first spring 343 abuts against the housing 1.
In this embodiment, the sliding block 344 is abutted to the bottom wall of the sliding groove 342 through the first spring 343, the first spring 343 has a force on the sliding groove 342, and the sliding block 344 has a force towards the side of the housing 1, so that the sliding block 344 can be limited to the positioning hole 12 when the sliding block 344 slides to the positioning hole 12. On the other hand, two ends of the first spring 33 are respectively abutted against the bottom walls of the sliding block 344 and the sliding groove 342, when the user rotates the key 3, one end of the sliding block 344 away from the first spring 33 is matched with the side wall of the positioning hole 12, so that the sliding block 344 slides out of the positioning hole 12, and at the moment, the first spring 33 is compressed, so that the button rotating efficiency is improved.
In an alternative embodiment of the invention, the slider 344 extends partially into the chute 342 and another portion extends out of the chute 342 and abuts the housing 1.
In an alternative embodiment of the present invention, the pilot hole 12 is a flared arrangement. That is, the side wall of the positioning hole 12 is inclined, and the side wall surface of the positioning hole 12 faces toward the end of the positioning hole 12 facing away from the housing 1.
In an alternative embodiment of the present invention, the extending direction of the positioning cylinder 341 is perpendicular to the plane of the key cap 31. That is, when the slider 344 abuts against the housing 1, the force applied to the slider 344 is a force perpendicular to the surface of the housing 1.
In one embodiment of the present invention, as shown in fig. 5, an end of the slider 344 facing away from the first spring 343 is configured as a spherical surface, and the spherical surface cooperates with a sidewall of the positioning hole 12 to facilitate the slider 344 to enter into the positioning hole 12 or slide out from the positioning hole 12.
The defining slider 344 comprises a first portion abutting the first spring 343 and a second portion connected to the first portion, the second portion being provided for a half ball head. The vertical distance from the furthest end of the second portion to the first portion is equal to the depth of the locating hole 12. Wherein the first portion and the second portion are integrally provided.
In an embodiment of the present invention, as shown in fig. 4, the substrate 2 is disposed in a ring shape, and the substrate 2 is disposed around the first connection member 11; a plurality of positioning holes 12 are provided around the outer edge of the substrate 2.
In an alternative embodiment of the invention, the base plate 2 may be arranged in a semi-annular shape.
In an alternative embodiment of the present invention, the substrate 2 may be provided in an open ring shape; that is, the substrate 2 has two ends, and the substrate 2 is integrally bent, and the two ends are brought close to each other, thereby forming an open ring structure.
In an alternative embodiment of the invention, the substrate 2 may be arranged in a rectangular shape.
In an alternative embodiment of the invention, the substrate 2 may be a conventional printed circuit board.
In an alternative embodiment of the invention, the substrate 2 may be a conventional flexible circuit board.
In an embodiment of the present invention, as shown in fig. 2 and 3, the housing 1 is provided with a mounting cavity 13, the mounting cavity 13 being used for mounting a circuit board; the circuit board is disposed in the mounting cavity 13 and electrically connected to the substrate 2. The circuit board is used for matching the substrate 2 and the plurality of switches 21 to form an electric signal corresponding to one switch 21 so as to realize one function.
The first connecting piece 11 is provided with the via hole 14 of intercommunication installation cavity 13, and the second connecting piece 32 wears to locate via hole 14, and the one end that second connecting piece 32 stretches into installation cavity 13 is protruding to the periphery to be equipped with spacing platform 321, spacing platform 321 and the spacing cooperation of the internal wall surface in installation cavity 13.
In this embodiment, the second connecting member 32 passes through the through hole 14 and extends into the mounting cavity 13 to form a limiting table 321 to the side, so that the second connecting member 32 can be further limited on the housing 1 on the basis that the second connecting member 32 can be rotatably connected with the first connecting member 11.
In an alternative embodiment of the invention, the cross-sectional profile of the second connector 32 is circular or annular.
In an alternative embodiment of the invention, the cross-sectional profile of the first connection member 11 is annular.
In an alternative embodiment of the present invention, the second connecting member 32 is provided with two limiting tables 321, and the two limiting tables 321 are disposed opposite to each other. That is, the connecting line of the two limiting tables 321 passes through the axis of the second connecting member 32.
In an alternative embodiment of the invention, the connection between the second connection piece 32 and the first connection piece 11 can also be realized by means of bearings.
In an embodiment of the present invention, the knob structure further includes a second spring 4, where the second spring 4 is sleeved on the first connecting piece 11 or the second connecting piece 32, so that one end of the second spring 4 abuts against the key cap 31, and the other end abuts against the housing 1.
In an alternative embodiment of the present invention, the second spring 4 is sleeved on the second connecting piece 32, one end of the second spring 4 abuts against the keycap 31, and the other end abuts against the end of the first connecting piece 11 away from the surface of the housing 1.
In an alternative embodiment of the present invention, as shown in fig. 3 and 5, the knob structure further includes a second spring 4, where the second spring 4 is sleeved on the first connecting piece 11 and abuts against the keycap 31. That is, the second spring 4 is made to jack up the key cap 31, and a certain interval is made between the pressing piece 33 and the substrate 2 or the plurality of switches 21, so as to avoid the pressing piece 33 from erroneously touching the switches 21.
In an embodiment of the present invention, as shown in fig. 2, 3 and 4, the housing 1 is provided with a receiving groove 15, a bottom wall of the receiving groove 15 is convexly provided with a first connecting piece 11, and the substrate 2 is disposed on the bottom wall of the receiving groove 15; at least a part of the keycap 31 is accommodated in the accommodating groove 15, so that the gap between the keycap 31 and the shell 1 is prevented from being exposed, and the appearance integrity of the knob structure is improved.
In an embodiment of the present invention, as shown in fig. 3, the key cap 31 includes a first housing 311 and a second housing 312, the first housing 311 is circularly disposed, the second housing 312 is disposed on a surface of the first housing 311 and surrounds a periphery of the first housing 311, and the second housing 312 is partially accommodated in the accommodating groove 15;
the second connector 32, the pressing member 33, and the stopper 34 are provided on a surface of the first housing 311 facing the second housing 312. That is, the first housing 311 and the second housing 312 cooperate to form a groove in which the second connector 32, the pressing member 33, and the positioning member 34 are located.
In an embodiment of the present invention, as shown in fig. 5, a plurality of stripe grooves 313 are formed on the periphery of the second housing 312, and the plurality of stripe grooves 313 are formed on the periphery of the second housing 312, so as to increase the friction force of the key 3, and facilitate the user to rotate the button.
In an embodiment of the present invention, the plurality of stripe grooves 313 are arranged in parallel along the extending direction of the second housing 312.
In an embodiment of the present invention, as shown in connection with fig. 3, the surface of the first housing 311 is provided with a first identifier 314 to facilitate the user to identify the pointing direction of the key 3.
In an embodiment of the present invention, as shown in fig. 4, the housing 1 is provided with a plurality of second identifiers 16, and the plurality of second identifiers 16 are disposed around the notch of the accommodating groove 15, and the second identifiers 16 are used to identify the functions of the corresponding keys 3.
In an embodiment of the present invention, as shown in fig. 3, a height D of the second connecting member 32 protruding from the key cap 31 is defined, a height H of the pressing member 33 protruding from the key cap 31 is defined, and a height L of the first connecting member 11 protruding from the housing 1 is defined, where l+.h+.d.
In this embodiment, the relationship between L and H may be l=h, or L < D, specifically:
when l=h, after the key 3 is connected to the housing 1, the pressing piece 33 can just contact the substrate 2 on the housing 1; that is, when the key 3 rotates, the pressing piece 33 is driven to move, so that the pressing piece 33 can press any one of the switches 21 on the substrate 2, thereby triggering the electrical signal.
When L < D, after the key 3 is connected with the shell 1, a certain interval exists between the pressing piece 33 and the substrate 2 on the shell 1; that is, when the key 3 rotates, the pressing member 33 is driven to move, so that the pressing member 33 can correspond to any one of the switches 21 on the substrate 2, and the user can press the key 3 to make the pressing member 33 approach to the switch 21, and the pressing member 33 presses the switch 21, so as to trigger an electrical signal.
In an embodiment of the present invention, the height of the detent 34 protruding from the key cap 31 is P, and the detent 34 is a structure for matching with the positioning hole 12. The scheme that h+.d+.p can be adopted, that is, based on the case 1 being provided with the positioning hole 12, the positioning hole 12 is located at a position lower than the surface of the case 1, in order to facilitate the end of the positioning member 34 entering into the positioning hole 12, a structure that the positioning member 34 is longer than or equal to the pressing member 33 can be adopted.
The invention also provides electronic equipment, which comprises a circuit board and a knob structure, wherein the specific structure of the knob structure refers to the embodiment, and because the electronic equipment adopts all the technical schemes of all the embodiments, the electronic equipment at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted. Wherein, the circuit board is located the shell 1 of knob structure, and the circuit board is connected with the base plate 2 electricity.
In an embodiment of the invention, the electronic device may be a sound box. The electronic device further comprises a loudspeaker, wherein the circuit board and the loudspeaker are arranged on the shell 1 of the knob structure, and the circuit board is electrically connected with the loudspeaker and the base plate 2.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (9)
1. A knob structure, characterized in that it comprises:
the shell is provided with a plurality of positioning holes, and the positioning holes are annularly arranged;
the base plate is arranged on the shell and is arranged at intervals with the positioning holes, the base plate is provided with a plurality of switches, and the switches are annularly arranged; and
The key comprises a key cap, a pressing piece and a clamping piece, wherein the pressing piece and the clamping piece are arranged on the key cap, the key cap is rotationally connected with the shell, the pressing piece is correspondingly arranged with the base plate, and one end of the clamping piece, which is far away from the key cap, is abutted with the shell;
the key cap rotates and drives the clamping piece and the pressing piece to move, the clamping piece is limited in any one of the positioning holes, and the pressing piece corresponds to any one of the switches;
the shell is provided with a first connecting piece, a plurality of positioning holes are formed around the first connecting piece, and a plurality of switches are formed around the first connecting piece;
the surface of key cap protruding be equipped with the second connecting piece, the second connecting piece with press the piece with screens piece interval sets up, the second connecting piece with first connecting piece rotates to be connected.
2. The knob structure according to claim 1, wherein the positioning member comprises a positioning cylinder, a first spring and a slider, the positioning cylinder is connected with the key cap, the positioning cylinder is provided with a chute, the first spring and the slider are movably arranged in the chute, one end of the first spring is abutted to the bottom wall of the chute, the other end of the first spring is abutted to the slider, and one end of the slider, which is away from the first spring, is abutted to the housing.
3. The knob structure of claim 2 wherein an end of said slider facing away from said first spring is provided as a spherical surface.
4. The knob structure according to claim 1, wherein the housing is provided with a mounting cavity for mounting a circuit board;
the first connecting piece is provided with the intercommunication the via hole of installation cavity, the second connecting piece wears to locate the via hole, the second connecting piece stretches into the one end of installation cavity is protruding to the periphery to be equipped with spacing platform, spacing platform with the spacing cooperation of the internal face in installation cavity.
5. The knob structure of claim 1 further comprising a second spring, wherein the second spring is sleeved on the first connector or the second connector.
6. The knob structure according to any one of claims 1 to 5, wherein the housing is provided with a receiving groove, the bottom wall of the receiving groove is convexly provided with the first connecting member, and the base plate is provided on the bottom wall of the receiving groove;
the keycap is at least partially accommodated in the accommodating groove.
7. The knob structure according to claim 6, wherein the key cap comprises a first housing and a second housing, the first housing is circularly arranged, the second housing is arranged on the surface of the first housing and surrounds the periphery of the first housing, and the second housing is partially accommodated in the accommodating groove;
the second connecting piece, the pressing piece and the clamping piece are arranged on the surface of the first shell facing the second shell.
8. The knob structure according to any one of claims 1-5, wherein the base plate is provided in a ring shape, and a plurality of the positioning holes are provided around an outer periphery of the base plate.
9. An electronic device comprising a circuit board and a knob structure according to any one of claims 1 to 8, said circuit board being provided in a housing of said knob structure, said circuit board being electrically connected to said substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425603.8A CN112466699B (en) | 2020-12-08 | 2020-12-08 | Knob structure and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425603.8A CN112466699B (en) | 2020-12-08 | 2020-12-08 | Knob structure and electronic equipment |
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| CN112466699A CN112466699A (en) | 2021-03-09 |
| CN112466699B true CN112466699B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011425603.8A Active CN112466699B (en) | 2020-12-08 | 2020-12-08 | Knob structure and electronic equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281986A (en) * | 2021-06-30 | 2021-08-20 | 歌尔科技有限公司 | Wearable equipment |
| CN113515031B (en) * | 2021-07-28 | 2022-10-25 | 歌尔科技有限公司 | Wrist strap equipment with screen switchable |
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