The subject matter herein generally relates to electronic devices, and particularly to an electronic device having at least one key.
An electronic device, such as a smart key of a car, usually has a key provided thereon. The electronic device includes a housing and a printed circuit board (PCB) received in the housing. When the key is pressed, a trigger portion of the key is coupled to the printed circuit board.
Implementations of the present technology will now be described, by way of example only, with reference to the attached figures.
It will be appreciated that for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. In addition, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein can be practiced without these specific details. In other instances, methods, procedures, and components have not been described in detail so as not to obscure the related relevant feature being described. Also, the description is not to be considered as limiting the scope of the embodiments described herein. The drawings are not necessarily to scale and the proportions of certain parts may be exaggerated to better illustrate details and features of the present disclosure.
Several definitions that apply throughout this disclosure will now be presented.
The term “coupled” is defined as connected, whether directly or indirectly through intervening components, and is not necessarily limited to physical connections. The connection can be such that the objects are permanently connected or releasably connected. The term “substantially” is defined to be essentially conforming to the particular dimension, shape, or other feature that the term modifies, such that the component need not be exact. For example, “substantially cylindrical” means that the object resembles a cylinder, but can have one or more deviations from a true cylinder. The term “comprising,” when utilized, means “including, but not necessarily limited to”; it specifically indicates open-ended inclusion or membership in the so-described combination, group, series and the like.
The present disclosure is in relation to an electronic device can include a housing, a printed circuit board, and a first key. The housing can include a first plate and a plate received therein. The first plate can be parallel to the first plate. The first plate can define a receiving hole. The printed circuit board can be received in the housing. The first key can include a press portion mounted on the first plate, a trigger portion, and a support portion. The trigger portion can pass through the receiving hole and adjacent to the printed circuit board. The support portion can extend from the press portion towards the second plate.
The present disclosure is in relation to an electronic device can include a housing, a first plate and a second plate within the housing, a printed circuit board within the housing, and a first depressible key. The first plate can be parallel to the second plate and define a receiving hole. The first depressible key can include a press portion, a trigger portion, and a support portion. The press portion can be mounted on the first plate and configured to be depressed by application of force from outside of the housing. The trigger portion can pass through the receiving hole and adjacent to the printed circuit board. The support portion can extend from the press portion towards the second plate. Depression of the press portion can move the trigger portion toward the printed circuit board.
The housing 10 can include a first cover 11 and a second cover 13 coupled to the first cover 11.
The first plate 113 can define four receiving holes 1131, two first receiving grooves 1135, and two second receiving grooves 1137. Three of the four receiving holes 1131 can be substantially circular. Another one of the four receiving holes 1131 can be substantially semicircular. Two of the circular receiving holes 1131 can be substantially positioned at two corner portions of the first plate 113 and symmetrically about a longitudinal center axis of the first cover 11. Another circular receiving hole 1131 and the semicircular receiving hole 1131 can be substantially positioned at the longitudinal center axis of the first cover 11. The first receiving grooves 1135 can be substantially positioned at another two corner portions of the first plate 113. The second receiving grooves 1137 can be substantially positioned at a center portion of the first plate 113 and parallel to each other. The semicircular receiving hole 1131 can communicate with the adjacent second receiving groove 1137.
Two second plates 115 can be coupled to the first cover 11 and positioned at two corner portions of the first cover 11. The second plates 115 can be received in the receiving chamber 114 and correspond to the first receiving grooves 1135. Each second plate 115 can be coupled to two adjacent sidewalls 111 and substantially parallel to the first plate 113. The second plates 115 can be positioned between the first plate 113 and the second cover 13. Each second plate 115 can define a depressed portion 1151 at a corner away from the sidewalls 111. The depressed portion 1151 can be substantially trapezoid and configured to receive an edge of the printed circuit plate 30.
Referring to
The printed circuit board 30 can be substantially rectangular and received in the receiving room 15. The printed circuit board 30 can define two coupling holes 31 corresponding to the fixing holes 1115. The printed circuit board 30 can be partially received in the depressed portion 1151 and positioned in the depressed portion 1151 by friction. Fasteners can be inserted into the fixing holes 1115 and the coupling holes 33, and then fixed to the first cover 11. Thus, the printed circuit board 30 can be coupled to the first cover 11 via the fasteners.
The display 50 can be mounted on the mounting portion 117 and cover the receiving chamber 114. The display 50 can be positioned at a side of the first cover 11 away from the second cover 13. Edges of the display 50 can be coupled to the sidewalls 111 of the first cover 11.
Referring to
The trigger portion 713 can extend from the press portion 711 towards the printed circuit board 30 and positioned adjacent to the display 50. The trigger portion 713 can pass through the corresponding receiving hole 1131 and adjacent to the printed circuit board 30. When the press portion 711 is pressed, the trigger portion 713 can contact the printed circuit board 30. The support portion 715 can extend from the press portion 711 towards the second plate 115 and positioned between the press portion 711 and the second plate 115. The support portion 715 can be positioned adjacent to one of the sidewalls 111. The support portion 715 can pass through the corresponding first receiving groove 1135 and substantially perpendicularly placed on the corresponding second plate 115. When the first key 71 is pressed, the support portion 715 can act as a support point.
A structure of the second key 75 can be similar to the first key 71. Each second key 75 can include a press portion 751 (shown in
The trigger portion 755 can extend from the press portion 751 towards the printed circuit board 30. The trigger position 755 can be positioned at the longitudinal center axis of the electronic device 100. The trigger portion 755 can pass through the corresponding receiving holes 1131 and positioned adjacent to the printed circuit board 30. When the second key 75 is pressed, the trigger portion 755 can contact the printed circuit board 30. In the illustrated embodiment, one of the trigger portions 755 can be positioned between the limiting portions 753 of the second keys 75. Another one of the trigger portions 755 can be positioned between the limiting portion 753 and the sidewall 111. In the illustrated embodiment, the first keys 71 and the second keys 75 can be made of flexible material, such as rubber.
When in assembly, the first keys 71 and the second keys 75 can be mounted on the first plate 113 of the first cover 11. The trigger portion 713 of each first key 71 and the trigger portion 755 of each second key 75 can be respectively inserted into the receiving holes 1131, respectively. The support portion 715 of each first key 71 can be inserted into the first receiving hole 1131, respectively. The support portion 715 of each first key 71 can be inserted into the first receiving groove 1135. The limiting portion 753 of the second key 75 can be inserted into the second receiving grooves 1137. The printed circuit board 30 can be mounted on the first cover 11. The display 50 can be mounted on the mounting portion 117 of the first cover 11. The second cover 13 can be coupled to the first cover 11 and the printed circuit board 30 can be received in the receiving chamber 15.
When a force is applied to a portion of the press portion 711 deviated the trigger portion 713, the support portion 715 can act as a support point. Thus, the trigger portion 713 of the first key 71 can also move towards the printed circuit board 30.
In at least one embodiment, a number of the first key 71 can be one or more than one. The second keys 75 can be omitted.
The embodiments shown and described above are only examples. Many details are often found in the art such as the other features of an electronic device. Therefore, many such details are neither shown nor described. Even though numerous characteristics and advantages of the present technology have been set forth in the foregoing description, together with details of the structure and function of the present disclosure, the disclosure is illustrative only, and changes may be made in the details, including in matters of shape, size, and arrangement of the parts within the principles of the present disclosure, up to and including the full extent established by the broad general meaning of the terms used in the claims. It will therefore be appreciated that the embodiments described above may be modified within the scope of the claims.
Number | Date | Country | Kind |
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103110579 | Mar 2014 | TW | national |