1. Field of the Invention
The instant disclosure relates to a latch mechanism for a battery unit and an electronic device having the same; more particularly, to a latch mechanism for a battery unit having the abilities to release and eject a battery unit for replacement, and can be incorporated to any portable electronic device.
2. Description of Related Art
When changing batteries in a conventional electronic device, a person would often have to use his or her fingers to pop out the batteries from the case. Some battery removal assisting devices are created to address this inconvenient issue. One conventional example of such device is to arrange a ribbon, usually made of a plastic such as Mylar and connected to the battery bay on one end, underneath the batteries. An opposite end of the ribbon is arranged to be freely exposed from the battery bay. The user may release the battery by simply pulling the ribbon to pop it off for replacement.
However, several disadvantages exist for the above techniques. For example, when the batteries are tightly packed, a person would experience a hard time trying to remove the batteries by using his or her fingers. Heavier batteries would have the same issue. Meanwhile, the ribbon could be mishandled by the user to cause inconvenience in changing the batteries.
To address the above issues, the inventor strives via industrial experience and academic research to present the instant disclosure, which can effectively improve the limitations described above.
The instant disclosure provides a latch mechanism for a battery unit and an electronic device having the same. Based on a locking mechanism, a battery unit can be released and ejected for replacement.
The latch mechanism comprises a locking mechanism, at least one engaging mechanism, and at least one abutting portion. The locking mechanism can be movably disposed between a locking position and a released position. Structurally, the locking mechanism includes a main body, at least one tenon extended from the main body, and at least one ramp structure extended from the main body in the same direction as the tenon. An upward-facing inclined surface is formed on the ramp structure. The inclined surface slopes downward from the locking position toward the released position. A leading end, where the upward inclination of the inclined surface begins, is defined on the inclined surface. Oppositely, a tail end, where the upward inclination terminates, is defined on the inclined surface. In comparing to the leading end, the tail end is further away from the main body. The engaging mechanism is fixedly arranged on the outer surface of the battery unit and forms a mortise structure to accommodate the tenon. The abutting portion is also fixedly arranged on the outer surface of the battery unit, and forms a contacting surface facing the inclined surface. A leading portion and a tail portion are defined on the contacting surface. The leading portion is further away from the battery unit versus the tail portion. The contacting surface is generally parallel to the inclined surface. When the locking mechanism shifts horizontally from the locking position to the released position, the inclined surface abuts and lifts the contacting surface, after the tenon has exited the mortise structure. Specifically, the leading portion of the contacting surface is moved along the leading end of the inclined surface toward the tail end, while the contacting surface is being displaced normally to the inclined surface. Thereby, the abutting portion is lifted to eject the battery unit by the locking mechanism.
The electronic device comprises a locking mechanism and a battery unit. The locking mechanism can be movably disposed between a locking position and a released position. Structurally, the locking mechanism includes a main body, at least one tenon extended from the main body, and at least one ramp structure extended from the main body in the same direction as the tenon. An upward-facing inclined surface is formed on the ramp structure. The inclined surface slopes downward from the locking position toward the released position. A leading end, where the upward inclination of the sloped surface begins, is defined on the inclined surface. Oppositely, a tail end, where the upward inclination terminates, is defined on the inclined surface. In comparing to the leading end, the tail end is further away from the main body. The battery unit has at least one engaging mechanism and at least one abutting portion. The engaging mechanism is arranged on the periphery of the battery unit and forms a mortise structure to accommodate the tenon. The abutting portion is also arranged on the periphery of the battery unit, and forms a contacting surface facing the inclined surface. A leading portion and a tail portion are defined on the contacting surface. The leading portion is further away from the battery unit in versus the tail portion. The contacting surface is generally parallel to the inclined surface. When the locking mechanism shifts horizontally from the locking position to the released position, the inclined surface abuts and lifts the contacting surface, after the tenon has exited the mortise structure. Specifically, the leading portion of the contacting surface is moved along the leading end of the inclined surface toward the tail end, while the contacting surface is being displaced normally to the inclined surface. Thereby, the abutting portion is lifted to eject the battery unit by the locking mechanism.
Based on the above summary and following detailed descriptions, the instant disclosure and associated claims are explained accordingly.
To further understand the purpose, structural integrity, features, and functions of the instant disclosure, please refer to the descriptions provided herein.
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The locking mechanism 10 has a main body 12, at least one tenon 14 extending from the main body 12, and at least one ramp structure 16 extending from the main body 12. For the instant embodiment, the locking mechanism 10 has a pair of tenons 14 extended off the main body 12, and has a pair of ramp structures 16 extended from opposite ends of the main body 12. The locking mechanism 10 further has a pusher 18 connected to the main body 12. The user can move the locking mechanism 10 manually by operating the pusher 18. The tenons 14 are used to lock the battery unit 20 in place, while the ramp structures 16 abut the underside of the battery unit 20. An inclined surface 162 is formed on the ramp structure 16 facing the battery unit 20. As shown in the figures, the inclined surface 162 is facing upward. In other words, the inclined surface 162 is oriented outwardly from the electronic device 100. The inclined surface 162 slopes downwardly toward the released position of the locking mechanism 10. The inclined surface 162 of the ramp structure 16 allows the battery unit 20 to be disengaged and ejected from the electronic device 100.
For the instant embodiment, a protecting cover 30 can be disposed over the locking mechanism 10 and adjacent to the shell body 20S. An opening 32 is formed centrally on the cover 30. The pusher 18 of the locking mechanism 10 can be movably received in the opening 32. For the instant embodiment, when the pusher 18 is at the left portion of the opening 32 (as shown in
Additional descriptions are given herein regarding the engaging mechanism 22 and the abutting portion 24 of the latch mechanism. The engaging mechanism 22 is fixedly arranged on the outer surface of the battery unit 20. A mortise structure 220 is projected toward the locking mechanism 10 by the engaging mechanism 22. As illustrated in
For the instant embodiment, the engaging mechanism 22 and the abutting portion 24 are formed integrally with the shell 20S of the battery unit 20. More specifically, the shell 20S has a pair of side surfaces 23 formed thereon. A front surface 21 is also formed on the shell 20S facing toward the locking mechanism 10. The abutting portions 24 are formed on the inner side of the front surface 21. Each engaging mechanism 22 has a frame-like shape formed on the front surface 21 and extends outwardly. The battery unit 20 of the instant disclosure is formed in one piece. However, the battery unit 20 is not restricted structurally. For example, the engaging mechanisms 22 and the abutting portions 24 can be individually disposed on the battery unit 20.
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With respect to the locking mechanism 10, the horizontal distance between the ramp structure 16 and the abutting portion 24 can be explained as follows. When the locking mechanism 10 is at the locking position, the horizontal distance between the ramp structure 16 and the abutting portion 24 is greater than or equal to the length of the tenon 14 inside the engaging mechanism 22. The reason for such configuration is as follows. When the locking mechanism 10 is at locked position, because the tenon 14 is still engaged to the mortise structure 220, thus the battery unit 20 is locked in place. Only when the tenon 14 of the locking mechanism 10 has moved completely away from the engaging mechanism 22, meaning the battery unit 20 has been completely disengaged by the locking mechanism 10, the ramp structure 16 is able to abut and push the abutting portion 24. In other words, only after the locking mechanism 10 has shifted away from the locking position, with the tenons 14 completely disengaged from the engaging mechanisms 22, the inclined surface 162 of the ramp structure 16 is able to abut the contacting surface 242 of the abutting portion 24.
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The instant disclosure has a simple structure and is cost effective. In addition, the battery unit is ejected from the electronic device immediately after being disengaged by the locking mechanism. The battery removal operation is simply and efficiently performed by the instant disclosure. Unlike conventional techniques, no extra steps are required to extract the battery unit, such as the ribbon-pulling method. For the instant disclosure, the battery unit is ejected automatically when the battery unit is being disengaged.
The descriptions illustrated supra set forth simply the preferred embodiments of the instant disclosure; however, the characteristics of the instant disclosure are by no means restricted thereto. All changes, alternations, or modifications conveniently considered by those skilled in the art are deemed to be encompassed within the scope of the instant disclosure delineated by the following claims.
Number | Date | Country | Kind |
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201120118455.5 | Apr 2011 | CN | national |