Frame of a sewing machine
A sewing machine and frame technology, applied in the field of sewing machine frames, can solve the problems of poor adjustability and versatility, affect the sewing effect, and cannot adjust the height, so as to improve adaptability and versatility, ensure stability and reliability, Effect of reducing shaking and vibration
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[0039] Such as Figure 1 to Figure 7 As shown, the frame of the sewing machine includes two tubular bases 1 vertically spaced apart, each base 1 is vertically fixed with a column 2, and the two ends of each base 1 are respectively movably inserted with an upper support tube 3 and Lower support tube 4, the lower side of the lower support tube 4 has a lower rack 4a extending towards the inside of the base 1, and the upper side of the upper support tube 3 has an upper rack 3a extending towards the inside of the base 1; the upper rack 3a and the lower teeth The bar 4a is arranged oppositely and is provided with the meshing gear 5 that can simultaneously drive the upper rack 3a and the lower rack 4a to move longitudinally between the two, and the lower transmission shaft 6 is connected on the meshing gear 5; The upper end of the lifting pillar 7 is provided with a supporting plate 8, and the lower part of the lifting pillar 7 is provided with an upper transmission shaft 9 that can ...
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