Multifunctional healthcare and hairdressing pillow
A multi-functional, pillow-based technology, applied to pillows and other directions, can solve the problems of adjusting the accommodation space of the pillow and the inability to adjust the height of the support, achieving the effects of environmental protection and saving of materials, easy production and manufacturing, and reducing the interference of noise on human ears.
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Embodiment 1
[0023] figure 2 Among them, the air cushion (1) is connected with the bottom plate (2), and the bottom plate (2) is connected with the connecting shaft (3) by the fixing screw (4), and the connecting shaft (3) has a rolling axis (5); the rolling connecting shaft (6) Pass through the rolling axis (5) and connect with the support slide groove (24) in a circular direction, so as to realize the smooth sliding of the axis back and forth along the prescribed direction in the slide groove.
Embodiment 2
[0025] figure 2 , image 3 Among them, there is an adjusting plate boss (8) on the bearing bracket (7), and an adjusting plate shaft hole (76) is arranged on the adjusting plate boss (8). figure 2 ), the adjusting plate shaft (22) is clamped by the coupling card (9) and extends into the bracket shaft hole (73) ( image 3 ), connected with the bearing bracket (7); a pair of right sprockets (16) on the drive shaft (10) engage with the left drive chain (13); on the drive shaft (10) there is a drive sprocket (11) and The drive shaft sprocket (12) on the drive shaft (28) is engaged; a pair of left snap sprockets (15) are arranged on the drive shaft (28), which are respectively engaged with the right drive chain (14); the above-mentioned links form an organic Linkage system is controlled by adjustment knob (17).
Embodiment 3
[0027] figure 2 , image 3 Among them, the ends of the left drive chain (15) and the right drive chain (14) are connected with a pair of symmetrical wedge rollers (18), and the wedge rollers (18) have grooves to snap into the wedge rails (19); a pair of adjustment plates (20) Through the adjustment plate shaft (21) and the adjustment plate shaft hole (75) ( image 3 ) is connected with the boss (8) of the adjustment plate; the adjustment knob (17) is axially movably connected with the drive shaft (10); (23) BITE. Be key connection between adjusting knob (17) and drive shaft, can make adjusting knob (17) can move back and forth along the axis direction. When it is necessary to turn the adjustment knob (17), pull it out to the outside of the axis of the adjustment shaft, and the adjustment knob (17) will be separated from the limit groove (23) and can be rotated freely; when there is no need to rotate the adjustment knob (17) , push it to the inside of the axis of the adjus...
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