CN113764221A - Key structure and electronic equipment - Google Patents
Key structure and electronic equipment Download PDFInfo
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- CN113764221A CN113764221A CN202111061062.XA CN202111061062A CN113764221A CN 113764221 A CN113764221 A CN 113764221A CN 202111061062 A CN202111061062 A CN 202111061062A CN 113764221 A CN113764221 A CN 113764221A
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- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- 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
- H01H13/20—Driving mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements
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- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Abstract
The application discloses button structure and electronic equipment belongs to input device technical field. The key structure includes: the key body is movably inserted into a key through hole formed in the electronic equipment frame body; the press detection assembly comprises an emitting unit, a receiving unit, a shading piece and a control unit, the emitting unit emits optical signals to the receiving unit, the shading piece can be switched between a first state and a second state under the driving of the key body so as to change the intensity of the optical signals received by the receiving unit, and the control unit judges whether the key body is pressed or not according to the intensity of the optical signals received by the receiving unit. In this application, through the shading effect that utilizes the button main part to change the light-proof piece between transmitting element and the receiving element to realize pressing the judgement according to the light signal intensity that the receiving element received, improved the life of button structure, the button triggers that logic is simple, effectual.
Description
Technical Field
The application belongs to the technical field of input devices, and particularly relates to a key structure and electronic equipment.
Background
Common smart machine is provided with the button usually on the market at present, and when the button was pressed hard, the button can take metal shrapnel to move in, pushes down built-in contact, accomplishes the action that a button triggered, and when the last power release back of exerting of button, the spring of inner mechanism can drive button and metal shrapnel return.
However, the above design has at least the following problems: in the use, the button is through pushing down metal shrapnel then triggering built-in contact, and consequently the stress that metal shrapnel bore can be great relatively, and the metal shrapnel department of bending deformation ratio is great this moment, appears metal fatigue easily, and the metal shrapnel resilience can appear after long-term the use not enough, leads to the button then to contact poorly with built-in contact.
Disclosure of Invention
The purpose of the embodiment of the application is to provide a button structure and electronic equipment, can solve among the prior art metal shrapnel and appear metal fatigue easily, appear metal shrapnel resilience force after long-term the use easily not enough, lead to button and built-in contact poor problem then.
In a first aspect, an embodiment of the present application provides a key structure, where the key structure includes:
the key body is movably inserted into a key through hole formed in the electronic equipment frame body;
the press detection assembly comprises an emitting unit, a receiving unit, a light shielding piece and a control unit, the emitting unit emits light signals to the receiving unit, the emitting unit and the receiving unit are connected with the control unit, at least part of the light shielding piece is arranged between the emitting unit and the receiving unit, the light shielding piece is connected with the key body, the light shielding piece can be driven by the key body to be switched between a first state and a second state so as to change the intensity of the light signals received by the receiving unit, and the control unit judges whether the key body is pressed according to the intensity of the light signals received by the receiving unit.
Optionally, the light-shielding member includes a first light-shielding sheet and a second light-shielding sheet, the first light-shielding sheet is fixedly connected to the key body, the second light-shielding sheet is fixedly disposed between the transmitting unit and the receiving unit, when the light-shielding member is in the first state, the first light-shielding sheet is in lap joint with the second light-shielding sheet, and when the light-shielding member is in the second state, the first light-shielding sheet and the second light-shielding sheet are staggered.
Optionally, the transmitting unit, the receiving unit, the second light shielding sheet and the control unit are all fixedly arranged on a circuit board, and the circuit board is arranged in the enclosed area of the frame body.
Optionally, the receiving unit is a photodiode.
Optionally, the light shielding member is made of a light absorbing material or a light shielding material.
Optionally, the key main body is made of a conductive material, the key main body is also a measuring electrode of a measuring circuit, and the key structure further comprises:
one end of the metal elastic needle is connected with the key body, and the other end of the metal elastic needle is connected with the circuit board.
Optionally, the key structure further includes:
the elastic piece, the elastic piece set up in the framework with between the button main part, the elastic piece can be for the button main part provides the power that resets.
Optionally, the key body includes the key head and with key head fixed connection's button post, a recess has still been seted up in the framework, the button through-hole set up in the tank bottom of recess, the button post movably is inserted and is established in the button through-hole, the elastic component at least part set up in the recess.
Optionally, the elastic component is a spring, the spring is arranged in the groove and sleeved outside the key post, one end of the spring is abutted against the groove bottom of the groove, and the other end of the spring is abutted against the key head.
Optionally, the elastic component includes first elasticity plastic ring and second elasticity plastic ring, the diameter of first elasticity plastic ring is less than the diameter of second elasticity plastic ring, first elasticity plastic ring cover is established and is fixed in press the button post periphery and be located in the recess, second elasticity plastic ring fixed set up in the orientation of button head the one side of recess just is located outside the recess under the circumstances that the button main part was pressed, first elasticity plastic ring with the tank bottom of recess offsets in order to produce deformation, second elasticity plastic ring with the framework offsets in order to produce deformation.
In a second aspect, an embodiment of the present application provides an electronic device, which includes the key structure according to the first aspect.
Optionally, the key structure includes a metal pogo pin, and the electronic device further includes:
the transmitting unit, the receiving unit, the second shading sheet and the control unit are all arranged on the circuit board;
the ECG measuring circuit, the ECG measuring circuit set up in on the circuit board, the one end of metal bullet needle with the button main part is connected, the other end of metal bullet needle with ECG measuring circuit connects.
In the embodiment of the application, the light shading effect of the light shading piece between the transmitting unit and the receiving unit is changed by utilizing the key main body, so that the pressing judgment is realized according to the intensity of the optical signal received by the receiving unit, the service life of the key structure is prolonged, and the key triggering logic is simple and good in effect.
Drawings
FIG. 1 is a schematic structural diagram of a key structure in the related art;
fig. 2 is a schematic view of a key structure provided in an embodiment of the present application in an un-pressed state;
fig. 3 is a schematic view of a key structure provided in an embodiment of the present application in a pressed state;
fig. 4 is a schematic connection diagram of a metal latch according to an embodiment of the present application;
fig. 5 is a schematic position diagram of a first elastic plastic ring and a second elastic plastic ring according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes in detail a key structure and an electronic device provided in the embodiments of the present application with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a key structure in the related art. As shown in fig. 1, in the related art, a metal contact 13 is disposed on a PCB, a metal spring 12 is disposed in a hook shape, one end of the metal spring is fixedly connected to the PCB, and the other end of the metal spring is fixedly connected to an end of a key 11, when an external force is applied to the key 11, the key 11 presses down the metal spring 12 to contact the metal contact 13, so as to implement a key function, and when the external force is removed, the metal spring 12 applies a resilient force to reset the key 11. However, the above structure has at least the following problems: in the process of pushing down, the stress that metal shrapnel 12 bore can be great relatively, the deformation ratio of the department of bending of metal shrapnel 12 this moment is great, metal fatigue appears easily, can appear after long-term the use (press the back many times promptly) that metal shrapnel 12 takes place deformation and unable recovery to the normal position, the resilience force is not enough promptly, then lead to button 11 and built-in metal contact 13 contact failure, lead to the button effect not good, simultaneously, the condition of contact variation also can appear between metal shrapnel 12 and the button 11. Moreover, in some designs, the key 11 is made of a metal material and is used as a measuring electrode for ECG measurement, and if the key 11 is in poor contact with the built-in metal contact 13, the ECG signal cannot be captured, or the captured ECG signal is poor or even invalid, so that the accuracy of ECG measurement is reduced, and even the ECG signal cannot be analyzed and processed in the next step.
Therefore, referring to fig. 2 and fig. 3, fig. 2 is a schematic view of a key structure provided in an embodiment of the present application in an un-pressed state, and fig. 3 is a schematic view of a key structure provided in an embodiment of the present application in a pressed state. As shown in fig. 2 and fig. 3, the key structure in the embodiment of the present application is applied to an electronic device, a frame body of the electronic device is provided with a key through hole, the frame body may be a metal middle frame of the electronic device, the key structure includes a key main body and a pressing detection assembly, the key main body is movably inserted into the key through hole provided in the frame body of the electronic device, and the pressing detection assembly includes a transmitting unit, a receiving unit, a light shielding member and a control unit; the transmitting unit is used for transmitting optical signals to the receiving unit, the receiving unit can receive the optical signals transmitted by the transmitting unit, and the transmitting unit and the receiving unit are both electrically connected with the control unit; the at least part of the light-shielding piece is arranged between the transmitting unit and the receiving unit, the light-shielding piece is connected with the key main body, if the key main body moves in the key through hole, the light-shielding piece can move synchronously with the key main body, concretely, the light-shielding piece can be switched between a first state and a second state under the driving of the key main body, in the switching process, the blocking degree of the light-shielding piece on the light signal transmitted by the transmitting unit is different, the intensity of the light signal received by the receiving unit is changed, and therefore, the control unit judges whether the key main body is pressed according to the intensity of the light signal received by the receiving unit.
Therefore, in the embodiment of the application, the light shading effect of the light shading piece between the transmitting unit and the receiving unit is changed by utilizing the key main body, so that the pressing judgment is realized according to the intensity of the optical signal received by the receiving unit, the service life of the key structure is prolonged, and the key triggering logic is simple and good in effect.
In some embodiments of the present application, the light shielding member includes a first light shielding sheet and a second light shielding sheet, wherein the first light shielding sheet is fixedly connected with the key main body, and the second light shielding sheet is fixedly disposed between the transmitting unit and the receiving unit; when the shading piece is in the first state, the first shading sheet is in lap joint with the second shading sheet, and when the shading piece is in the second state, the first shading sheet and the second shading sheet are staggered. That is to say, under the condition that the key body is not pressed, the first light-shielding sheet is in a first state corresponding to the light-shielding member, and at this time, the first light-shielding sheet is overlapped with the second light-shielding sheet; and under the condition that the key main body is pressed, the first light-shielding sheet which is originally overlapped with the second light-shielding sheet is separated from the second light-shielding sheet under the driving of the key main body to generate dislocation, and at the moment, the first light-shielding sheet is in a second state corresponding to the light-shielding piece, therefore, the optical signal part sent by the transmitting unit can be transmitted to the receiving unit through a dislocation area between the first light-shielding sheet and the second light-shielding sheet, the intensity of the optical signal received by the receiving unit is stronger at the moment, and therefore, the control unit can judge whether the key main body is pressed or not according to the intensity of the optical signal received by the receiving unit.
In some embodiments, the transmitting unit, the receiving unit, the second light shielding sheet and the control unit are all fixedly disposed on a circuit board, and the circuit board is disposed in the enclosed area of the frame and located at the side of the key body.
In some embodiments of the present application, optionally, the emitting unit is a light emitting device such as a light emitting diode or a laser tube, exemplarily, the emitting unit is an infrared light emitting diode, the receiving unit is a photodiode, and the infrared light emitting diode and the photodiode have the advantages of simple structure, convenience in control, low cost, and small occupied space. Wherein, under the condition that the key main body is not pressed, the first light-shielding sheet is lapped with the second light-shielding sheet, and the first light-shielding sheet and the second light-shielding sheet are arranged between the infrared light-emitting diode and the photodiode, so the light emitted by the infrared light-emitting diodeMost of the optical signals are shielded by the first light shielding sheet and the second light shielding sheet, so that the intensity of the optical signals received by the photodiode is weak, the generated photocurrent is small, and the value can be recorded as I1(ii) a And under the condition that the key body is pressed, the first light-shielding sheet which is originally overlapped with the second light-shielding sheet is separated from the second light-shielding sheet under the driving of the key body to generate dislocation, so that the optical signal part sent by the infrared light-emitting diode can be transmitted to the photodiode through a dislocation area between the first light-shielding sheet and the second light-shielding sheet, the intensity of the optical signal received by the photodiode is stronger at the moment, the generated photocurrent is larger, and the optical signal can be marked as I2If the key body is pressed, the photocurrent variation Δ I before/after the key body is pressed is equal to I2-I1Therefore, the control unit can judge whether the key body is pressed or not according to the photocurrent variation.
In other embodiments of the present application, the light shielding member is made of a light absorbing material or a light shielding material. Because the distance between the transmitting unit and the receiving unit is short, the light absorption material or the light shielding material can improve the blocking efficiency of light signals. Alternatively, the light absorbing material may be light absorbing foam, light absorbing silica gel, or the like.
Referring to fig. 4, fig. 4 is a schematic connection diagram of a metal latch according to an embodiment of the present application. As shown in fig. 4, in some embodiments of the present application, the key body is made of a conductive material, and the key body also serves as a measuring electrode of a measuring circuit, for example, the measuring circuit may be an ECG measuring circuit, and may be configured to measure a human body bioelectric signal to obtain an electrocardiogram, the key body serves as one of the measuring electrodes of the measuring circuit, and in order to implement connection with the measuring electrode, the key structure further includes a metal pogo pin, one end of the metal pogo pin is connected with the key body, specifically, a portion of the key body located inside the frame body, and the other end of the metal pogo pin is connected with the circuit board, specifically, the measuring circuit on board. Therefore, the key body can realize the key function and can also be used as a measuring electrode of a measuring circuit to realize multiplexing; in addition, the key body is always in good contact with the measuring circuit, so that poor contact is avoided, and the measuring result can be effectively ensured; in addition, the metal elastic needle can also have a supporting (connecting) function, namely, the metal elastic needle is equivalent to a guide rail and can support the key main body to move left and right, and the consistency of the path of the key main body in the pressing process is improved.
In other embodiments of the present application, the key structure further includes: the elastic piece is arranged between the frame body and the key body and can provide resetting force for the key body. That is, when the key body is pressed, the elastic member is elastically deformed to accumulate an elastic force, and after the external force for pressing the key body is removed, the elastic member releases the elastic force to act on the key body to restore the key body to the original position.
In some embodiments, optionally, the key body includes a key head and a key post fixedly connected to the key head, the frame further includes a groove, the key through hole is formed at a bottom of the groove, the key post is movably inserted into the key through hole, and the elastic member is at least partially disposed in the groove. Thus, the groove can be used for accommodating the elastic piece and also plays a certain guiding role.
In some optional embodiments, the elastic member is a spring, the spring is disposed in the groove and sleeved outside the key post, one end of the spring abuts against a groove bottom of the groove, and the other end of the spring abuts against the key head. When the key body is pressed, the spring is compressed to accumulate an elastic force, and when the external force for pressing the key body is removed, the spring releases the elastic force to reset the key body. The structure that adopts the spring has with low costs, sets up simple advantage, but makes whole button structure unsealed easily, has the problem of leaking the dirt.
Referring to fig. 5, fig. 5 is a schematic position diagram of a first elastic plastic ring and a second elastic plastic ring according to an embodiment of the present disclosure. As shown in fig. 5, in other embodiments of the present application, the elastic member is an elastic plastic ring, and specifically, the elastic member includes a first elastic plastic ring and a second elastic plastic ring, a diameter of the first elastic plastic ring is smaller than a diameter of the second elastic plastic ring, the first elastic plastic ring is sleeved on and fixed to the periphery of the key post and located in the groove, the second elastic plastic ring is fixedly arranged on a surface of the key head facing the groove and located outside the groove, when the key body is pressed, the first elastic plastic ring abuts against a groove bottom of the groove to generate deformation, the second elastic plastic ring abuts against the frame body to generate deformation, so that when the external force pressing the key body is removed, the first elastic plastic ring and the second elastic plastic ring can release elastic force (restoring force) simultaneously to restore the key body, and the first elastic plastic ring and the second elastic plastic ring can seal the key structure, that is, first elasticity plastic ring can seal the button through-hole, and second elasticity plastic ring can be right the recess is sealed to play dirt-proof effect.
In summary, in the embodiment of the application, the light shielding effect of the light shielding piece between the transmitting unit and the receiving unit is changed by using the key main body, so that the pressing judgment is realized according to the intensity of the optical signal received by the receiving unit, the service life of the key structure is prolonged, and the key triggering logic is simple and has good effect.
An embodiment of another aspect of the present application provides an electronic device, where the electronic device includes the key structure described in any of the above embodiments, and has the same technical effect as the key structure, and for avoiding repetition, details are not repeated here.
In some embodiments of the present application, the key structure includes a metal pogo pin, the electronic device further includes a circuit board and an ECG measuring circuit, wherein the transmitting unit, the receiving unit, the second light shielding sheet and the control unit are all disposed on the circuit board, and the circuit board may be disposed in an enclosed area of the frame body and located right below the key body; the ECG measuring circuit also sets up in on the circuit board, the one end of metal bullet needle with the button main part is connected, the other end of metal bullet needle with ECG measuring circuit connects, and the button main part adopts the metal material, can regard as a measuring electrode of ECG measuring circuit to keep being connected with ECG measuring circuit through the metal bullet needle, thereby make electronic equipment possess ECG measurement function. Optionally, the ECG measuring circuit further includes a plurality of measuring electrodes in addition to the one measuring electrode formed by the key main body, and when the electronic device is worn by a user, the other measuring electrodes except the one measuring electrode formed by the key main body are in contact with the surface of the human body, and the key main body is not in contact with the surface of the human body. When the ECG measuring circuit is used for measuring the ECG electric signals, the plurality of measuring electrodes are in contact with the body surface of a user to obtain the ECG electric signals, the user further presses the key body by hands, the ECG measuring circuit also obtains the ECG electric signals of the human body through the metal elastic needle and the key body, the ECG measurement is finally realized together, and when the ECG measurement is not carried out, the key body is only used as a component of the key structure to realize the key function.
Wherein, the electronic equipment can be equipment such as intelligent wrist-watch, intelligent bracelet.
In the embodiment of the application, the light shading effect of the light shading piece between the transmitting unit and the receiving unit is changed by utilizing the key main body, so that the pressing judgment is realized according to the intensity of the optical signal received by the receiving unit, the service life of the key structure is prolonged, and the key triggering logic is simple and good in effect.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. A key structure, comprising:
the key body is movably inserted into a key through hole formed in the electronic equipment frame body;
the press detection assembly comprises an emitting unit, a receiving unit, a light shielding piece and a control unit, the emitting unit emits light signals to the receiving unit, the emitting unit and the receiving unit are connected with the control unit, at least part of the light shielding piece is arranged between the emitting unit and the receiving unit, the light shielding piece is connected with the key body, the light shielding piece can be driven by the key body to be switched between a first state and a second state so as to change the intensity of the light signals received by the receiving unit, and the control unit judges whether the key body is pressed according to the intensity of the light signals received by the receiving unit.
2. The key structure of claim 1, wherein the light shielding member includes a first light shielding sheet and a second light shielding sheet, the first light shielding sheet is fixedly connected to the key body, the second light shielding sheet is fixedly disposed between the transmitting unit and the receiving unit, the first light shielding sheet and the second light shielding sheet are overlapped when the light shielding member is in the first state, and the first light shielding sheet and the second light shielding sheet are misaligned when the light shielding member is in the second state.
3. The key structure of claim 2, wherein the transmitting unit, the receiving unit, the second light shielding sheet and the control unit are all fixedly disposed on a circuit board, and the circuit board is disposed in an enclosed area of the frame.
4. The key structure of claim 1, wherein the receiving unit is a photodiode.
5. The key structure of claim 1, wherein the light shielding member is made of a light absorbing material or a light shielding material.
6. The key structure of claim 1, wherein the key body is made of conductive material, the key body is a measuring electrode of a measuring circuit, and the key structure further comprises:
one end of the metal elastic needle is connected with the key body, and the other end of the metal elastic needle is connected with the circuit board.
7. The key structure of claim 1, further comprising:
the elastic piece, the elastic piece set up in the framework with between the button main part, the elastic piece can be for the button main part provides the power that resets.
8. The key structure according to claim 7, wherein the key body includes a key head and a key post fixedly connected to the key head, the frame further has a groove, the key through hole is disposed at a bottom of the groove, the key post is movably inserted into the key through hole, and the elastic member is at least partially disposed in the groove.
9. The key structure according to claim 8, wherein the elastic member is a spring, the spring is disposed in the groove and sleeved outside the key post, one end of the spring abuts against a bottom of the groove, and the other end of the spring abuts against the key head.
10. The key structure of claim 8, wherein the elastic member includes a first elastic plastic ring and a second elastic plastic ring, a diameter of the first elastic plastic ring is smaller than a diameter of the second elastic plastic ring, the first elastic plastic ring is sleeved and fixed on an outer periphery of the key post and located in the groove, the second elastic plastic ring is fixedly arranged on a surface of the key head facing the groove and located outside the groove, when the key body is pressed, the first elastic plastic ring abuts against a groove bottom of the groove to generate deformation, and the second elastic plastic ring abuts against the frame to generate deformation.
11. An electronic device, characterized in that the electronic device comprises a key structure according to any of claims 1-10.
12. The electronic device of claim 11, wherein the key structure comprises a metal pogo pin, the electronic device further comprising:
the transmitting unit, the receiving unit, the second shading sheet and the control unit are all arranged on the circuit board;
the ECG measuring circuit, the ECG measuring circuit set up in on the circuit board, the one end of metal bullet needle with the button main part is connected, the other end of metal bullet needle with ECG measuring circuit connects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111061062.XA CN113764221A (en) | 2021-09-10 | 2021-09-10 | Key structure and electronic equipment |
| PCT/CN2022/117002 WO2023036074A1 (en) | 2021-09-10 | 2022-09-05 | Key structure and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111061062.XA CN113764221A (en) | 2021-09-10 | 2021-09-10 | Key structure and electronic equipment |
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| CN113764221A true CN113764221A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111061062.XA Pending CN113764221A (en) | 2021-09-10 | 2021-09-10 | Key structure and electronic equipment |
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| CN (1) | CN113764221A (en) |
| WO (1) | WO2023036074A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582648A (en) * | 2022-02-28 | 2022-06-03 | 维沃移动通信有限公司 | Electronic equipment |
| WO2023036074A1 (en) * | 2021-09-10 | 2023-03-16 | 维沃移动通信有限公司 | Key structure and electronic device |
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| CN114582648A (en) * | 2022-02-28 | 2022-06-03 | 维沃移动通信有限公司 | Electronic equipment |
Also Published As
| Publication number | Publication date |
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| WO2023036074A1 (en) | 2023-03-16 |
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