Touchpad module fixing structure for notebook computer

Abstract

The invention discloses a touchpad module fixing structure for a notebook computer. The structure comprises a host upper shell, a touchpad module, a supporting structure and a lock accessory; the touchpad module comprises a touchpad and a support. A mounting opening is formed in the host upper shell; a mounting convex column is formed on the bottom wall of the host upper shell in a position closeto the mounting opening; a fixing hole penetrating downwards is formed in the mounting convex column; the touchpad module is mounted at the mounting opening and is supported on the supporting structure; a locking lug extending outwards is formed on the edge of the bracket; a mounting hole sleeving the mounting convex column is formed in the lock lug; the rod part of the lock accessory is fixed inthe fixing hole; the downward movement of the lock lug is limited by the cap part of the lock accessory; the distance between the rod portion of the lock accessory and the bottom wall of the host upper shell is greater than the thickness of the lock lug so that the lock lug can be in clearance fit with the lock accessory and the host upper shell; when the area, corresponding to the lock lug, of the host upper shell bears enough downward pressure, the lock accessory is pushed downwards, and the lock lug generates upward displacement relative to the lock accessory.

Description

technical field [0001] The invention relates to the technical field of notebook computers, in particular to a touch panel module fixing structure for notebook computers. Background technique [0002] At present, the fixing method of the touchpad in the prior art will easily cause false triggering when pressing the position corresponding to the peripheral area of ​​the touchpad on the upper shell of the host. Specifically, when the user is in normal use, his hand is often placed on the palm rest around the touchpad, and pressing down slightly to apply pressure will easily cause the touchpad to trigger, affecting the user's normal use and causing trouble. The reason why the above false triggering occurs is that one end of the touchpad module is directly fixed to the upper shell of the main unit with two screws, and the touchpad module (touchpad PCB + touchpad bracket + surface material Mylar or glass) and the convex hull of the upper shell of the main machine cooperate with o...

AI Technical Summary

Problems solved by technology

However, this solution can only achieve a certain degree of optimization effect and cannot be completely avoided. Moreover, this solution will lead to weakening of the strength of the bending lock lug of the bracket, and the production / transportation / assembly is more likely to cause poor deformation, which is difficult to control

[0004] In addition, when the user uses the left and right keys of the touchpad, the force value required for clicking and the travel required for pressing down to trigger are inconsistent, which will cause inconsistent left and right hand feeling, poor stability, empty travel or preload (dome and the convex hull design of the upper shell of the host are 0 Matching, press to overcome the dome work feedback and feel the best, after the actual assembly, the dome and the matching convex hull are prone to gaps or pre-pressing interference), the left and right corners of the touchpad sink or stilts and other problems

[0005] Specifically, the support force value of the left and right support elastic arms will be affected by the height, width and thickness of the elastic arms, which will easily cause the difference in left and right click force values; if the height and angle of the left and right bending lugs are different, the impact will be magnified The difference between the left and right click force values ​​and strokes on the dome side of the cantilever structure and the step difference between the left and right corners of the dome side of the cantilever structure and the upper shell of the main unit

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