CN111430168B - Switch module and electronic equipment - Google Patents
Switch module and electronic equipment Download PDFInfo
- Publication number
- CN111430168B CN111430168B CN202010200677.5A CN202010200677A CN111430168B CN 111430168 B CN111430168 B CN 111430168B CN 202010200677 A CN202010200677 A CN 202010200677A CN 111430168 B CN111430168 B CN 111430168B
- Authority
- CN
- China
- Prior art keywords
- power key
- light
- switch module
- circuit board
- hole
- 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.)
- Active
Links
Images
Classifications
-
- 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
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- 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
- 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
Landscapes
- Push-Button Switches (AREA)
Abstract
The embodiment of the application discloses switch module and electronic equipment, this switch module includes: the circuit board is provided with an elastic element; the power key is positioned on one side of the elastic element, which is far away from the circuit board; the fixing piece is positioned on the first side of the circuit board and provided with a first through hole, the power key is positioned in the first through hole and can slide along the first through hole in a first direction, and the first direction is vertical to the plane of the circuit board; wherein, the elastic element is used for providing elastic force for the power key when the power key is contacted with the elastic element. When the power key is pressed to disappear, the switch module returns to the initial position by utilizing the resilience force provided by the elastic element for the power key, and the first elastic arm and the second elastic arm which are arranged on two sides of the power key are not needed, so that the blocking phenomenon of the power key caused by the arrangement of the elastic arms is avoided.
Description
Technical Field
The application relates to the technical field of electronics, especially, relate to a switch module and electronic equipment.
Background
With the development of electronic technology, the application of electronic devices is becoming more and more common, and the electronic devices become essential tools for daily work and life of people gradually. However, in practical use, the power key of the electronic device is often stuck, and it is increasingly difficult to meet the increasingly improved experience requirements of people.
Disclosure of Invention
The embodiment of the application provides a switch module, include:
the circuit board is provided with an elastic element;
the power key is positioned on one side of the elastic element, which is far away from the circuit board;
the fixing piece is positioned on the first side of the circuit board and provided with a first through hole, the power key is positioned in the first through hole and can slide along the first through hole in a first direction, and the first direction is vertical to the plane of the circuit board;
wherein, the elastic element is used for providing elastic force for the power key when the power key is contacted with the elastic element.
Optionally, at least one first limiting part is arranged on a side surface of the first through hole, at least one second limiting part is arranged on a side wall of the power key facing the fixing part, the first limiting parts and the second limiting parts are in one-to-one correspondence, and the power key is limited in the circumferential direction.
Optionally, the edge region of the circuit board is further provided with a plurality of circumferentially arranged light sources; the fixing piece is a light guide piece and is used for guiding light rays emitted by the light source.
Optionally, the method further includes: the light homogenizing piece is positioned on a light path emitted by the light source, homogenizes light emitted by the light source and emits the homogenized light to the light guide piece, and the light homogenizing piece is provided with a second through hole which exposes the elastic element.
Optionally, an orthographic projection of the first through hole on the plane of the circuit board is located within an orthographic projection range of the second through hole on the plane of the circuit board.
Optionally, a first included angle is formed between the light emitting surface of the light homogenizing piece and the light emitting direction of the light source, so that light emitted by the light source is emitted into the light guiding piece along the first direction.
Optionally, the first through hole includes a first region and a second region along the second direction, and a size of the first region in the third direction is smaller than a size of the second region in the third direction;
the second direction is perpendicular to the plane of the circuit board, the power key points to the elastic element, the third direction is parallel to the plane of the circuit board, and at least part of the power key is located in the second area.
Optionally, the power key includes a first component and a second component along the second direction, and a size of the first component in the third direction is smaller than a size of the second component in the third direction;
wherein the first component is located in the first region and the second component is located in the second region.
Optionally, the method further includes:
the fingerprint identification piece is positioned on one side, away from the circuit board, of the power key and is fixedly connected with the power key;
the first through hole further comprises a third area positioned on one side of the second area, which faces away from the first area, and the size of the second area in the third direction is smaller than that of the third area in the third direction;
the power key includes a first component and a second component along the second direction, a size of the first component in the third direction is smaller than a size of the second component in the third direction;
the fingerprint identification member is located in the first region, the first component is located in the second region, and the second component is located in the third region.
An embodiment of the present application further provides an electronic device, including: a housing having a third through hole; the switch module is positioned in the three-way hole and is any one of the switch modules.
In the switch module provided by the embodiment of the application, the elastic element is used for providing elastic force for the power key when the power key is contacted with the elastic element, namely, when the power key is pressed, the elastic element positioned between the circuit board and the power key is used for providing elastic force for the power key, so that when the pressing force applied to the power key disappears, the resilience force provided to the power key by the elastic element returns to the initial position, the first elastic arm and the second elastic arm which are respectively arranged at the two sides of the power key are not needed any more, the difference of the lengths of the first elastic arm and the second elastic arm caused by the process error of the elastic arms is avoided, when the power key is positioned in the through hole of the electronic equipment, the gaps between different areas of the power key and the side wall of the through hole are different, so that the power key is blocked.
Moreover, in the switch module provided by the embodiment of the application, the elastic element is located between the power key and the circuit board, so that when the switch module is assembled on an electronic device, the phenomenon of power key blocking caused by different assembling errors or stress between the first elastic arm and the shell of the electronic device when the first elastic arm and the second elastic arm are used can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art power key disposed on a spring arm;
FIG. 2 is a schematic diagram of a conventional power key assembled in a through hole of an electronic device and positioned relative to the through hole of the electronic device;
fig. 3 is an exploded view of a switch module according to an embodiment of the present disclosure;
fig. 4 is a top view of a circuit board in a switch module according to an embodiment of the present disclosure;
fig. 5 is a top view of a fixing member in a switch module according to an embodiment of the present application;
fig. 6 is a top view of a power key in a switch module according to an embodiment of the present application;
FIG. 7 is a schematic view showing the direction of the user's sight line and the transmission direction of the light from the light source;
FIG. 8 is a schematic diagram of the uneven brightness of the aperture of the light guide;
fig. 9 is a cross-sectional view of a switch module according to an embodiment of the present application;
fig. 10 is a schematic diagram of an aperture presented by a light guide in the switch module according to an embodiment of the present application;
fig. 11 is a partially enlarged view of a switch module according to an embodiment of the present application;
fig. 12 is a schematic partial structure diagram of a switch module according to an embodiment of the present application;
fig. 13 is a cross-sectional view of a switch module provided in accordance with an embodiment of the present application;
fig. 14 is a schematic partial structure diagram of a switch module according to another embodiment of the present disclosure;
fig. 15 is a cross-sectional view of a switch module according to another embodiment of the present application;
fig. 16 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 17 is a partially enlarged view of fig. 16.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be embodied in other ways than those described herein, and it will be apparent to those skilled in the art that the present application may be practiced without departing from the spirit and scope of the present application, and therefore the present application is not limited to the specific embodiments disclosed below.
As described in the background section, in practical use, the power key of the electronic device is often stuck, and it is increasingly difficult to meet the increasing experience demand of people.
The inventor researches and discovers that the power key of the existing electronic equipment is generally arranged in the following mode as shown in fig. 1: fixing a power key 01 on an elastic arm, wherein the elastic arm comprises a first elastic arm 02 and a second elastic arm 03 which are oppositely arranged, when the power key 01 is installed on the electronic equipment, the first elastic arm 02 and the second elastic arm 03 are respectively positioned at two sides of a through hole of the electronic equipment, so that the power key 01 is positioned in the central area of the through hole, after the power key 01 is pressed to move downwards, the elastic arm gives a resilience force to the power key 01, and after the pressing force applied to the power key 01 disappears, the power key returns to the initial position.
However, in practical applications, due to process errors, assembly errors and the like of the elastic arm, it is difficult to locate the power key completely in the central area of the through hole of the electronic device, as shown in fig. 2, so that gaps between different areas of the power key and the sidewall of the through hole are different, and a jamming phenomenon often occurs during subsequent pressing.
Moreover, in practical use, if the pressing positions of the user on the power key are different, so that the acting forces transmitted to the first elastic arm and the second elastic arm are different, the stretching lengths of the first elastic arm and the second elastic arm are different, and thus gaps between different areas of the power key and the side wall of the through hole are different, and a stuck phenomenon occurs.
In view of this, the present disclosure provides a switch module and an electronic device including the switch module. As shown in fig. 3, the switch module includes:
the circuit board 10 is provided with an elastic element 11;
a power key 20 located on a side of the elastic element 11 facing away from the circuit board 10;
the fixing part 30 is positioned on the first side of the circuit board 10, the fixing part is provided with a first through hole, the power key 20 is positioned in the first through hole and can slide along the first through hole in a first direction, and the first direction is perpendicular to the plane of the circuit board;
wherein the elastic member 11 is used for providing elastic force to the power key 20 when the power key 20 is in contact therewith.
Optionally, in a specific embodiment of the present application, the circuit board is a PCB; as shown in fig. 4, the elastic element 11 is a snap-dome, but the present application does not limit this, as long as it can provide an elastic force to the power key when the power key is pressed to contact with the snap-dome, and can make the power key return to the initial position after the pressing force on the surface of the power key disappears.
On the basis of the above embodiments, in an embodiment of the present application, the fixing member 30 has a positioning pin on a side facing the circuit board 10, the circuit board 10 has a positioning hole, and the positioning pin of the fixing member 30 is fixed in the positioning hole of the circuit board 10, so as to achieve fixing and positioning functions of the fixing member 30 and the circuit board 10. In other embodiments of the present application, the fixing member 30 and the circuit board 10 may also adopt other assembling forms, which is not limited in the present application, as the case may be.
In the switch module provided by the embodiment of the application, the elastic element is used for providing elastic force for the power key when the power key is contacted with the elastic element, namely, when the power key is pressed, the elastic element positioned between the circuit board and the power key is used for providing elastic force for the power key, so that when the pressing force applied to the power key disappears, the resilience force provided to the power key by the elastic element returns to the initial position, the first elastic arm and the second elastic arm which are respectively arranged at the two sides of the power key are not needed any more, the difference of the lengths of the first elastic arm and the second elastic arm caused by the process error of the elastic arms is avoided, when the power key is positioned in the through hole of the electronic equipment, the gaps between different areas of the power key and the side wall of the through hole are different, so that the power key is blocked.
Moreover, in the switch module provided by the embodiment of the application, the elastic element is located between the power key and the circuit board, so that when the switch module is assembled on an electronic device, the phenomenon of power key blocking caused by different assembling errors or stress between the first elastic arm and the shell of the electronic device when the first elastic arm and the second elastic arm are used can be avoided.
On the basis of the above embodiments, in an embodiment of the present application, as shown in fig. 5 and fig. 6, at least one first limiting member 31 is provided on a side surface of the first through hole of the fixing member 30, at least one second limiting member 21 is provided on a side wall of the power key 20 facing the fixing member 30, and the first limiting member 31 and the second limiting member 21 are in one-to-one correspondence, and fix the power key in the circumferential direction to prevent the power key from rotating in the first through hole.
Optionally, on the basis of the above embodiment, in an embodiment of the present application, the first limiting member is a protrusion, and the second limiting member is a groove, so that the power key is fixed in the circumferential direction through the cooperation between the protrusion and the groove, and the power key is prevented from rotating in the first through hole. In another embodiment of the present application, the first limiting member is a groove, the second limiting member is a protrusion, and the groove and the protrusion can be matched with each other, the power key is circumferentially fixed, and the power key is prevented from rotating in the first through hole.
On the basis of any one of the above embodiments, in an embodiment of the present application, two first limiting members are disposed on a side surface of the first through hole, and the two first limiting members are disposed opposite to each other with respect to a center of the first through hole, so that the two first limiting members are disposed on two sides of the power key, and stability of the first limiting members in limiting the power key is enhanced. However, the present application does not limit this, and in other embodiments of the present application, an included angle formed by the two position-limiting members and the central connecting line of the first through hole may also be smaller than 180 °, as the case may be.
In other embodiments of the present application, the side surface of the first through hole may further include three first limiting members, four first limiting members or more first limiting members, which is not limited in this application, and optionally, if the side surface of the first through hole has at least two first limiting members, the at least two first limiting members are uniformly distributed on the sidewall of the first through hole along the circumferential direction.
Specifically, on the basis of any of the above embodiments, in an embodiment of the present application, when the second limiting member on the side wall of the power key is a groove, the second limiting member penetrates through the side wall of the power key in the second direction, and correspondingly, in the second direction, the first limiting member also extends from one end to the other end of the side wall of the first through hole. And the second direction is perpendicular to the plane of the circuit board.
On the basis of any of the above embodiments, in an embodiment of the present application, in order to enable a user to quickly identify a position of the switch module and an operating state of the switch module, as shown in fig. 4, a plurality of circumferentially arranged light sources 12 are further disposed in an edge area of the circuit board 10, and the light sources 12 are turned on when the switch module is in the operating state to prompt the user that the current operating state of the switch module is the operating state; the light source 12 is not lit when the switch module is in the non-operating state to prompt the user that the current operating state of the switch module is the non-operating state. Specifically, in an embodiment of the present application, the plurality of light sources 12 on the circuit board 10 are soldered on the circuit board 10, but the present application is not limited thereto, as the case may be.
Optionally, on the basis of the above embodiment, in an embodiment of the present application, the fixing member 30 is a light guide member, and is configured to guide light emitted by the light source 12, so that when the light source 12 is turned on, an aperture may be formed around the power key, and the visual effect of the switch module is improved.
It should be noted that, in the above embodiment, since the light guide member is located at the periphery of the power key, when the light source is turned on, the light of the light source is transmitted from the periphery of the power key to the central area of the power key, as shown in fig. 7, and the direction of the line of sight of the user is usually directed to the power key from above (e.g. obliquely above or directly above) the power key, so that when the power source is in the on state, the light effect actually seen by the user is the cross section of the transmitted light.
Since the plurality of light sources on the circuit board are point light sources, and the projections of the plurality of point light sources on the circuit board are not closed graphs, when the plurality of light sources are turned on, the light rays of the light source facing areas are strong, and the light rays of the gaps between the adjacent light sources are weak, so that the brightness of the light ring presented by the light guide part seen by a user is uneven, as shown in fig. 8, a part of the area (such as the area B) is bright, and a part of the area (such as the area a) is dark, thereby affecting the user experience.
Therefore, on the basis of the above embodiments, in an embodiment of the present application, as shown in fig. 3 and 9, the switch module further includes: the light homogenizing part 40 is located on a light path emitted by the light source, and light emitted by the light source is homogenized and then emitted to the light guide part (namely the fixing part 30), so that uniformity of light received by the light guide part is improved, and uniformity of lighting effect of an aperture presented by the light guide part is improved when the light source is lightened. As shown in fig. 10, fig. 10 is a schematic diagram of an aperture when the switch module provided in the embodiment of the present application operates, and it can be seen from the diagram that, in the switch module provided in the embodiment of the present application, the brightness of different areas of the aperture is substantially uniform, and the uniformity is good.
It should be noted that, in the embodiment of the present application, the light equalizing member 40 has a second through hole, and the second through hole exposes the elastic element, so that the power key 20 can contact with the elastic element through the second through hole.
On the basis of the above embodiment, in an embodiment of the present application, the orthographic projection of the first through hole on the plane where the circuit board is located in the orthographic projection range of the second through hole on the plane where the circuit board is located, that is, the light guide completely covers the light exit surface of the light uniformizing piece, so that all the light emitted by the light uniformizing piece enters the light guide and is emitted by the light guide.
Optionally, in an embodiment of this application, the play plain noodles of the piece of evening light with the light-emitting direction of light source becomes first contained angle, so that the light source sent jets into along the first direction the leaded light piece, even make the light that the piece of evening light jetted out jets into perpendicularly behind the leaded light piece, follow again the leaded light piece jets out perpendicularly, thereby avoids the play plain noodles unevenness of leaded light piece arouses the leaded light piece surface takes place the scattering and influences the problem of the light degree of consistency of the light ring that the leaded light piece presented.
On the basis of the above embodiments, in an embodiment of the present application, as shown in fig. 11, the light emitting direction of the light source 12 is parallel to the plane where the circuit board is located, and the first included angle α is 45 °, but the present application does not limit this, as long as it is ensured that the light emitted from the light uniformizing element 40 perpendicularly enters the light guiding element (i.e., the fixing element 30).
Specifically, in an embodiment of this application, it is located to be all bare in the concentric circles region in a plurality of light source besieged cities on the circuit board to make the light that the light source sent can the level penetrate in all bare, just it is all bare to be located leaded light spare with between the circuit board, so that the light that all bare jetted out can jet into perpendicularly leaded light spare, and the warp leaded light spare jets out perpendicularly.
It should be noted that, in practical use, the switch module provided in the embodiment of the present application may further adjust the parameter of the light equalizing member by adjusting the transparency of the light equalizing member, and/or adjust the intensity of the light source in a matching manner, so that the light effect presented by the light equalizing member is the most comfortable light effect for the user, and further improves the user experience.
On the basis of any of the above embodiments, in an embodiment of the present application, as shown in fig. 12, the first through hole includes a first region 32 and a second region 33 along the second direction Y, a dimension of the first region 32 in the third direction X is smaller than a dimension of the second region 33 in the third direction X, that is, the first through hole is in a boss shape; the second direction Y is perpendicular to the plane of the circuit board, the power key points to the elastic element, the third direction X is parallel to the plane of the circuit board, and at least part of the power key is located in the second area.
Alternatively, on the basis of the above embodiments, in an embodiment of the present application, as shown in fig. 12 and 13, the power key includes a first component 22 and a second component 23 along the second direction, and a size of the first component 22 in the third direction is smaller than a size of the second component 23 in the third direction, that is, the power key is in a boss shape. In the embodiment of the present application, the first component part 22 is located in the first region, and the second component part 23 is located in the second region, so that the position of the second component part 23 of the power key in the second direction is defined by the first region of the first through hole.
It should be noted that, in the prior art, the power key is fixed on the elastic arm, and the elastic arm is fixed through the fixing points located at the two ends of the first elastic arm and the second elastic arm, so that the position of the power key in the prior art is far away from the fixing points, which affects the fixing precision of the power key.
In this embodiment, the switch module utilizes the boss shape of the first through hole and the boss shape of the power key to cooperate to limit the power key in the second direction, and utilizes the cooperation of the first limiting part on the first through hole and the second limiting part on the power key to circumferentially limit the power key, which is higher in limiting precision of the power key, so that the distance between the fixed point of the power key and the power key is greatly reduced, and the fixed precision of the power key is improved.
In another embodiment of the present application, as shown in fig. 14, the first through hole further includes a third region 34 located on a side of the second region 33 facing away from the first region 32, a dimension of the second region 33 in the third direction is smaller than a dimension of the third region 34 in the third direction; in the embodiment of the present application, as shown in fig. 15, the power key 20 includes a first component and a second component along the second direction, and a dimension of the first component in the third direction is smaller than a dimension of the second component in the third direction, wherein the first component is located in the second region and the second component is located in the third region, so as to define a position of the second component of the power key in the second direction by using the second region of the first through hole.
Optionally, on the basis of the foregoing embodiment, in an embodiment of the present application, as shown in fig. 15, the switch module further includes: be located power key 20 deviates from circuit board 10 one side, with power key 20 fixed connection's fingerprint identification piece 50 to press at the user finger during power key 20, utilize fingerprint identification piece 50 carries out fingerprint identification to the user, improves security when switch module is applied to electronic equipment.
It should be noted that, in this embodiment of the application, the fingerprint identification piece is located in the first area, so that when a user presses the power key, the fingerprint identification piece can directly contact with a user fingerprint, and accuracy of identifying the user fingerprint by the fingerprint identification piece is improved.
On the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 15, a first adhesive layer 60 is provided between the fingerprint identification member 50 and the power key 20, and the first adhesive layer 60 is used for fixedly connecting the fingerprint identification member 50 and the power key 20 to prevent the fingerprint identification member from being separated from the power key when the fingerprint identification member is located in the first area. Optionally, the first adhesive layer 60 is a double-sided tape.
By last knowing, the switch module that this application embodiment provided piles up by the circuit board that is provided with elastic element and light source, light-equalizing element, leaded light component and fingerprint identification spare and forms, and the module structure is comparatively simple, and is lower to the required precision of assembly tolerance and component element to not only can reduce the cost of switch module can also improve switch module's life.
On the basis of any of the above embodiments, in an embodiment of the present application, as shown in fig. 3, the switch module further includes a second adhesive layer 300 located on a side of the fixing member 30 facing away from the circuit board 10, where the second adhesive layer 300 is used to fixedly adhere the switch module and a housing of an electronic device when the switch module is assembled in the housing of the electronic device. Optionally, the second adhesive layer is a double-sided tape, but the application does not limit this, as the case may be.
As shown in fig. 16 and 17, fig. 17 is a partially enlarged view of fig. 16, and an electronic device provided in an embodiment of the present application includes: a housing 100, the housing 100 having a third through hole 101; a switch module 200 located in the three through holes 101, wherein the switch module 200 is the switch module according to any of the above embodiments. Since the structure of the switch module has been described in detail in the above embodiments, the details are not repeated herein.
Optionally, on the basis of the above embodiments, in an embodiment of the present application, a second adhesive layer is provided between the switch module and the housing of the electronic device, and specifically, as shown in fig. 3, the second adhesive layer 300 is located on a side of the fixing member facing the housing of the electronic device, so as to be adhered to the housing by the fixing member, thereby realizing the fixed connection between the switch module and the housing. However, the present application is not limited thereto, as the case may be.
It should be noted that, in the embodiment of the present application, the electronic device may be a display, a notebook computer, a tablet computer, and the like, which is not limited in the present application as long as a switch module is required to be arranged.
It should be noted that, in the embodiment of the present application, each component in the switch module may be assembled in a component factory, and then transported to a complete machine factory to be assembled with the electronic device, or may be assembled collectively by a complete machine factory worker after being transported to the complete machine factory, which is not limited in the present application and is determined as the case may be.
In summary, in the switch module and the electronic device including the switch module provided in the embodiments of the present application, the elastic element is used for providing elastic force for the power key when the power key is contacted with the elastic element, namely, when the power key is pressed, the elastic element positioned between the circuit board and the power key is used for providing elastic force for the power key, so that when the pressing force applied to the power key disappears, the resilience force applied to the power key by the elastic element returns to the initial position, the first elastic arm and the second elastic arm which are respectively arranged at the two sides of the power key are not needed any more, the difference of the lengths of the first elastic arm and the second elastic arm caused by the process error of the elastic arms is avoided, when the power key is positioned in the through hole of the electronic equipment, the gaps between different areas of the power key and the side wall of the through hole are different, so that the clamping phenomenon of the power key is caused.
Moreover, in the switch module and the electronic device provided by the embodiment of the application, the elastic element is located between the power key and the circuit board, so that when the switch module is assembled on the electronic device, the phenomenon of power key blocking caused by different assembling errors or stress between the first elastic arm and the shell of the electronic device and between the second elastic arm and the shell of the electronic device can be avoided when the first elastic arm and the second elastic arm are used.
In addition, among the switch module and the electronic equipment that this application embodiment provided, the switch module is piled up by the circuit board that is provided with elastic element and light source, light-equalizing element, leaded light component and fingerprint identification spare and becomes, and the module structure is comparatively simple, and is lower to the required precision of assembly tolerance and component element to not only can reduce the cost of switch module can also improve the life of switch module.
In the description, each part is described in a progressive manner, each part is mainly described as different from other parts, and the same and similar parts among the parts can be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A switch module, comprising:
the circuit board is provided with an elastic element;
the power key is positioned on one side of the elastic element, which is far away from the circuit board;
the fixing piece is positioned on the first side of the circuit board and provided with a first through hole, the power key is positioned in the first through hole and can slide along the first through hole in a first direction, and the first direction is vertical to the plane of the circuit board;
the elastic element is used for providing elastic force for the power key when the power key is contacted with the elastic element;
the edge area of the circuit board is also provided with a plurality of light sources which are circumferentially arranged, and the fixing piece is a light guide piece and is used for guiding light rays emitted by the light sources; the switch module further comprises: the light homogenizing part is positioned on a light path of light emitted by the light source, and irradiates the light emitted by the light source to the light guide part after homogenizing the light, the light homogenizing part is provided with a second through hole which exposes the elastic element, and a first included angle is formed between a light emergent surface of the light homogenizing part and the light emergent direction of the light source and is used for enabling the light emitted by the light source to irradiate into the light guide part along the first direction, so that the light emitted by the light homogenizing part is vertically irradiated into the light guide part and then is vertically irradiated out of the light guide part.
2. The switch module according to claim 1, wherein a side surface of the first through hole has at least one first limiting member, a side wall of the power key facing the fixing member has at least one second limiting member, and the first limiting members and the second limiting members are in one-to-one correspondence to limit the power key in a circumferential direction.
3. The switch module of claim 1, wherein an orthographic projection of the first through hole on a plane of the circuit board is within an orthographic projection range of the second through hole on the plane of the circuit board.
4. The switch module of claim 1, the first via comprising a first region and a second region along a second direction, the first region having a dimension in a third direction that is less than a dimension of the second region in the third direction;
the second direction is perpendicular to the plane of the circuit board, the power key points to the elastic element, the third direction is parallel to the plane of the circuit board, and at least part of the power key is located in the second area.
5. The switch module of claim 4, the power key comprising a first component and a second component along the second direction, the first component having a smaller dimension in the third direction than the second component;
wherein the first component is located in the first region and the second component is located in the second region.
6. The switch module of claim 5, further comprising:
the fingerprint identification piece is positioned on one side, away from the circuit board, of the power key and is fixedly connected with the power key;
the first through hole further comprises a third area positioned on one side of the second area, which is far away from the first area, and the size of the second area in the third direction is smaller than that of the third area in the third direction;
the power key includes a first component and a second component along the second direction, a size of the first component in the third direction is smaller than a size of the second component in the third direction;
the fingerprint identification member is located in the first area, the first component is located in the second area, and the second component is located in the third area.
7. An electronic device, comprising: a housing having a third through hole; a switch module located within the three-way aperture, the switch module being as claimed in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010200677.5A CN111430168B (en) | 2020-03-20 | 2020-03-20 | Switch module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010200677.5A CN111430168B (en) | 2020-03-20 | 2020-03-20 | Switch module and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111430168A CN111430168A (en) | 2020-07-17 |
| CN111430168B true CN111430168B (en) | 2022-02-18 |
Family
ID=71548303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010200677.5A Active CN111430168B (en) | 2020-03-20 | 2020-03-20 | Switch module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111430168B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1064650Y (en) * | 2007-01-19 | 2007-07-01 | Giga Game System S L | PUSH SWITCH ASSEMBLY |
| CN102034628B (en) * | 2009-09-28 | 2014-04-09 | 纬创资通股份有限公司 | Key structure with light transmission and relevant electronic device thereof |
| JP2013026134A (en) * | 2011-07-25 | 2013-02-04 | Fujikura Ltd | Planar light emitting device and manufacturing method thereof |
| CN204045458U (en) * | 2014-08-01 | 2014-12-24 | 东莞市铭冠电子科技有限公司 | There is the membrane keyboard of mechanical feel |
| TWI646283B (en) * | 2018-06-12 | 2019-01-01 | 和碩聯合科技股份有限公司 | Button indicator light and light guide ring assembly |
| CN209710128U (en) * | 2019-05-16 | 2019-11-29 | 昆山丘钛微电子科技有限公司 | Electronic product |
-
2020
- 2020-03-20 CN CN202010200677.5A patent/CN111430168B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111430168A (en) | 2020-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111508749B (en) | Key structure and keyboard applying same | |
| US8319129B2 (en) | Keyboard having backlight function | |
| US7455416B2 (en) | Light guide structure and keypad having the same | |
| TWI677000B (en) | Backlight module | |
| US20100148996A1 (en) | Light guide structure for a keyboard | |
| US9513430B2 (en) | Planar light source apparatus having projection portions | |
| CN107092050B (en) | Light guide structure for guiding light emitted by a plurality of light emitting components and light emitting device | |
| US8031293B2 (en) | Backlight module with light source holder and liquid crystal display using the same | |
| US9004708B2 (en) | Viewing angle system for backlighted displays | |
| US20130083556A1 (en) | Computer bezel with light-guide structure | |
| CN111430168B (en) | Switch module and electronic equipment | |
| US20210149102A1 (en) | Light emitting keyboard | |
| JP4587664B2 (en) | Light emitting device | |
| US10593492B1 (en) | Illuminating keyboard and light emitting module thereof | |
| CN104979124A (en) | Flexible circuit board having shielding effect and applied to keyboard backlight | |
| CN217718721U (en) | Fingerprint identification module and light guide | |
| KR100753324B1 (en) | A keypad module with light guide film and a mobile communication terminal with the keypad module | |
| KR200421191Y1 (en) | Light projecting apparatus of Light Emitting Diode chip Module | |
| CN212230297U (en) | Key structure and electronic product | |
| TWI413996B (en) | Key and portable electronic device using the same | |
| CN212365799U (en) | Switch module and electronic equipment | |
| KR100810210B1 (en) | Light scattering apparatus for keypad assembly | |
| US11860398B2 (en) | Backlight apparatus used in illuminated keyboard | |
| CN216390967U (en) | Touch button device and intelligent mirror | |
| CN114077008B (en) | Backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |