Timing automobile backrest
A technology for car seats and backrests, which is applied in vehicle seats, vehicle parts, back cushions, etc., can solve problems such as joint discomfort and affect physical health, and achieve the effect of ensuring physical health.
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[0010] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0011] Such as figure 1 Shown, a kind of chronograph car seat back, is used for being cushioned on the back board of car seat, comprises bracket layer 1, air-permeable layer 2 and the timer 3 that can alarm, and described air-permeable layer 2 is fixedly placed on described support The front end of layer 1 forms a breathable cavity between the support layer 1 and the breathable layer 2; the timer 3 is placed in the breathable cavity, and the timer 3 counts when it is under pressure, and the timer reaches the setting Time to call the police.
[0012] In the above embodiments, the air-permeable layer 2 is made of silica gel.
[0013] Sitting with the backrest for a long time, the timer 3 counts when it is under pres...
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