Height regulating device for sewing machine
A height adjustment device and technology of sewing machines, applied in the field of sewing machines, can solve the problems of increasing labor intensity, inconvenience, reducing work efficiency, etc., and achieve the effects of realizing height adjustment, convenient use and simple structure
Inactive Publication Date: 2013-01-16
WUJIANG XIAOYU JET WEAVING
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Problems solved by technology
However, the height of the sewing machines on the market is fixed on the worktable. Staff of different heights will have inconvenience when operating, and they are prone to fatigue, which increases labor intensity, reduces work efficiency, and affects the health of the staff.
Method used
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Embodiment Construction
[0011] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so it only shows the composition related to the present invention.
[0012] Such as figure 1 As shown, a height adjustment device for a sewing machine, the sewing machine includes a casing 1, a wire core 2 installed on the casing 1, a hand wheel 3, a needle bar 4 connected to the hand wheel 3, a cloth pressing bar 5, a lead wire cylinder 6, machine needle 7 and presser foot 8, the machine needle 7 is installed at the bottom end of the needle bar 4, the presser foot 8 is installed at the bottom end of the cloth press bar 5, and the casing 1 is composed of An upper transverse plate 9, a longitudinal plate 10, and a lower transverse plate 11 are formed. The front and rear inner sides of the longitudinal plate 10 ...
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The invention relates to a height regulating device for a sewing machine. The sewing machine comprises a casing, as well as a thread core, a handwheel, a needle bar, a cloth pressing rod, a thread guiding cylinder, a frame needle, and a presser foot which are arranged on the casing, wherein the needle bar is connected with the handwheel; the frame needle is mounted at the bottom end of the needle bar; the presser foot is mounted at the bottom end of the cloth pressing rod; the casing comprises an upper transverse plate, a longitudinal plate and a lower transverse plate; the front inner side and the rear inner side of the longitudinal plate are in threaded connection with first screw rods respectively; a first opening is formed in the outer side of the longitudinal plate; a first through hole is formed in the lower end of the longitudinal plate; the center lines of the first screw rod and the first through hole are positioned on the same straight line; the front inner side and the rear inner side of the lower transverse plate are in threaded connection with second screw rods respectively; a second opening is formed in the outer side of the lower transverse plate; a second through hole is formed in the lower end of the lower transverse plate; the center lines of the second screw rod and the second through hole are positioned on the same straight line; and the first screw rod and the second screw rod are sleeved by a first disk and a second disk respectively.
Description
technical field [0001] The invention relates to the field of sewing machines, in particular to a height adjusting device for sewing machines. Background technique [0002] Sewing machines are responsible for stitching, assembling, and receiving in garment production and processing. With different sewing accessories installed, they can complete complex operations such as hemming, seaming, and inlays. However, the height of the sewing machines on the market is fixed on the worktable, and the staff of different heights will be inconvenient when operating, and they are prone to fatigue, which increases the labor intensity, reduces work efficiency, and affects the health of the staff. Contents of the invention [0003] The invention overcomes the shortcomings of the prior art and provides a height adjusting device for sewing machines with simple structure. [0004] In order to achieve the above object, the technical solution adopted in the present invention is: a sewing ma...
Claims
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IPC IPC(8): D05B75/00D05B81/00
Inventor 戴国荣
Owner WUJIANG XIAOYU JET WEAVING