CN213925305U - Adjusting structure in sewing machine - Google Patents
Adjusting structure in sewing machine Download PDFInfo
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- CN213925305U CN213925305U CN202022946493.1U CN202022946493U CN213925305U CN 213925305 U CN213925305 U CN 213925305U CN 202022946493 U CN202022946493 U CN 202022946493U CN 213925305 U CN213925305 U CN 213925305U
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- feeding
- adjusting
- tooth
- shaft
- sewing machine
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Abstract
The utility model provides an adjust structure among sewing machine belongs to sewing machine technical field. The adjusting structure in the sewing machine comprises a feeding tooth, an adjusting motor and a feeding adjusting seat, wherein an output shaft of the adjusting motor is in transmission connection with one end of the feeding adjusting seat, the adjusting structure further comprises a tooth lifting shaft capable of rotating, the other end of the feeding adjusting seat is in transmission connection with the tooth lifting shaft, the feeding tooth is in transmission connection with the tooth lifting shaft, and the middle of the feeding adjusting seat is in transmission connection with the tooth lifting shaft. The tooth lifting shaft can be driven to rotate by rotating the adjusting seat, and the motion track of the feeding teeth can be adjusted. The utility model has the advantages of complex height adjustment and insufficient accuracy of the feeding teeth.
Description
Technical Field
The utility model belongs to the technical field of sewing machine, especially the regulation structure among sewing machine.
Background
At present sewing machine in the use, need use different kinds of sewing cloth, different thickness can appear in these cloths, different smoothness, for make the cloth have better smoothness nature at the sewing in-process, in current sewing machine operation process, often can adjust the angle of lifting a tooth swing arm, be used for controlling the height of pay-off tooth, thereby improve pay-off smoothness nature. But the swing arm needs to loosen the loose screw above the swing arm, so that the adjusting mode is very complex and is not easy to operate, and meanwhile, the swing arm needs to be adjusted by experience in the adjusting process, so that the adjusting uncertainty is increased.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, providing an adjusting structure in a sewing machine and solving the problems of complex and inaccurate height adjustment of feeding teeth.
The purpose of the utility model can be realized by the following technical proposal:
the adjusting structure in the sewing machine comprises a feeding tooth, an adjusting motor and a feeding adjusting seat and is characterized in that an output shaft of the adjusting motor is in transmission connection with one end of the feeding adjusting seat, the adjusting structure further comprises a tooth lifting shaft capable of rotating, the other end of the feeding adjusting seat is in transmission connection with the tooth lifting shaft, the feeding tooth is in transmission connection with the tooth lifting shaft, and the middle of the feeding adjusting seat is in transmission connection with the tooth lifting shaft. The tooth lifting shaft can be driven to rotate by rotating the adjusting seat, and the motion track of the feeding teeth can be adjusted.
In the adjusting structure of the sewing machine, a feeding crank is fixed on the feed lifting tooth shaft.
In the structure of adjusting in above-mentioned sewing machine, the seat is adjusted in the pay-off passes through connection structure and links to each other with the pay-off crank, connection structure includes pay-off long slab, pay-off short slab, pay-off long slab, pay-off short slab one end rotate with one heart and connect, the pay-off long slab other end rotates with pay-off crank one end and is connected, the pay-off short slab other end rotates to be connected at pay-off adjustment seat middle part.
The adjusting structure in the upper sewing machine further comprises an upper shaft, a tooth lifting connecting rod and a feeding eccentric wheel, wherein the feeding eccentric wheel is fixed on the upper shaft, one end of the tooth lifting connecting rod is rotatably connected to the side part of the feeding eccentric wheel, and one ends of the long feeding plate and the short feeding plate are concentrically and rotatably connected to the other end of the tooth lifting connecting rod.
In the adjusting structure of the sewing machine, an output shaft of the adjusting motor is fixedly provided with an adjusting crank, the edge position of the adjusting crank is rotatably connected with an adjusting connecting rod, and the other end of the adjusting connecting rod is rotatably connected with one end of the feeding adjusting seat.
Compared with the prior art, the utility model has the advantages of it is following:
compare in traditional manual regulation elasticity screw, this regulation structure has better stability. In the adjusting process, the height of the feeding teeth extending out of the needle plate can be changed by adjusting the electric adjustment of the motor, so that the motion track of the feeding teeth is changed to adapt to conveying of different fabrics, and feeding smoothness is improved.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the feeding adjusting seat of the present invention.
Fig. 3 is a schematic view of a feed adjustment block according to the present invention.
In the figure, 1, an upper shaft; 2. a tooth lifting connecting rod; 3. a feeding eccentric wheel; 4. adjusting the motor; 5. adjusting a crank; 6. Adjusting the connecting rod; 7. a feed gear shaft; 8. A tooth lifting shaft; 9. a needle plate; 10. a feeding tooth holder; 11. a feeding rack; 12. a feed lifting arm; 13. feeding teeth; 14. feeding short plates; 15. A feeding crank; 16. A feeding adjusting seat; 16-1, hole one; 16-2 and a hole II; 16-3, hole three; 17. and feeding the long plate.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, the adjusting structure in the sewing machine comprises a feeding tooth 13, an adjusting motor 4 and a feeding adjusting seat 16, an output shaft of the adjusting motor 4 is in transmission connection with one end of the feeding adjusting seat 16, the adjusting structure further comprises a tooth lifting tooth shaft 8 capable of rotating, the other end of the feeding adjusting seat 16 is in rotation connection with the tooth lifting tooth shaft 8, the feeding tooth 13 is in transmission connection with the tooth lifting tooth shaft 8, the middle part of the feeding adjusting seat 16 is in transmission connection with the tooth lifting tooth shaft 8, and the tooth lifting tooth shaft 8 can be driven to rotate and the motion track of the feeding tooth 13 can be adjusted by rotating the adjusting seat.
The sewing machine comprises a machine shell, a tooth lifting shaft 8 is rotatably arranged in the machine shell, an adjusting motor 4 is fixed in the machine shell, a needle plate 9 is fixed on the machine shell, and an opening for extending a feeding tooth 13 is formed in the needle plate 9.
The utility model discloses a theory of operation: in the normal sewing process, according to the material of sending into the surface fabric, adjustment motor 4 keeps certain moment stationary after adjusting to the angle that corresponds according to preset's pay-off tooth 13 height, and its accommodation process is: the position of the feeding adjusting seat 16 is adjusted through the adjusting motor 4, the tooth lifting shaft 8 is driven to rotate through the feeding adjusting seat 16, and the position of the feeding tooth 13 is changed through the tooth lifting shaft 8; when the feeding teeth 13 move, the movement track of the feeding teeth is changed, so that the feeding teeth can be suitable for fabrics made of different materials.
Compare in traditional manual regulation elasticity screw, this regulation structure has better stability. In the adjusting process, the height of the feeding teeth 13 extending out of the needle plate 9 can be changed by adjusting the electric adjustment of the motor 4, so that the motion track of the feeding teeth 13 is changed to adapt to conveying of different fabrics, and feeding smoothness is improved.
Specifically, a feeding crank 15 is fixed on the tooth lifting tooth shaft 8.
Specifically, the feeding adjusting seat 16 is connected with the feeding crank 15 through a connecting structure, the connecting structure comprises a long feeding plate 17 and a short feeding plate 14, one end of the long feeding plate 17 and one end of the short feeding plate 14 are concentrically and rotatably connected, the other end of the long feeding plate 17 is rotatably connected with the side portion of the feeding crank 15, and the other end of the short feeding plate 14 is rotatably connected to the middle of the feeding adjusting seat 16. The position of the feeding adjusting seat 16 is adjusted, and the feeding crank 15 is driven to rotate through the connecting structure, so that the tooth lifting tooth shaft 8 is driven to rotate.
The device comprises an upper shaft 1, a tooth lifting connecting rod 2 and a feeding eccentric wheel 3, wherein the feeding eccentric wheel 3 is fixed on the upper shaft 1, one end of the tooth lifting connecting rod 2 is rotatably connected to the side part of the feeding eccentric wheel 3, and one ends of a long feeding plate 17 and a short feeding plate 14 are concentrically and rotatably connected to the other end of the tooth lifting connecting rod 2. One end of the tooth lifting connecting rod 2 is rotatably connected to a position of the feeding eccentric wheel 3 which is not concentric with the upper shaft 1.
The feeding adjusting seat 16 is provided with a first hole 16-1, a second hole 16-2 and a third hole 16-3, the first hole 16-1 is matched with the tooth lifting shaft 8, the second hole 16-2 is matched with one end of the feeding short plate 14, and the third hole 16-3 is matched with one end of the tooth lifting connecting rod 2.
An active motor is fixed on the machine shell, an output shaft of the active motor is in transmission connection with an upper shaft 1, the upper shaft 1 is in rotation connection with the machine shell, the upper shaft 1 rotates to drive a feeding eccentric wheel 3 to rotate, the feeding eccentric wheel 3 drives a tooth lifting connecting rod 2 to move, and the other end of the tooth lifting connecting rod 2 drives a feeding long plate 17 and a feeding short plate 14 to move, so that a feeding crank 15 swings. The feeding teeth 13 can form a repeated feeding action by the driving mechanism.
Specifically, an output shaft of the adjusting motor is fixed with an adjusting crank 5, the edge position of the adjusting crank 5 is rotatably connected with an adjusting connecting rod 6, and the other end of the adjusting connecting rod 6 is rotatably connected with one end of a feeding adjusting seat 16. The adjusting motor is started to drive the adjusting crank 5 to rotate, and the adjusting crank 5 drives the adjusting connecting rod and one end of the feeding base to rotate around the adjusting connecting rod 6. After the adjustment to the preset position, the adjustment motor stops running, and the feeding adjustment seat 16 is fixed.
Specifically, the adjusting structure further comprises a feeding toothed shaft 7, a feeding toothed seat 10, a feeding toothed rack 11 and a feed lifting arm 12. The feeding tooth shaft 7, the feeding tooth holder 10, the feeding tooth frame 11 and the tooth lifting arm 12 are all in the prior art, the tooth lifting arm 12 is fixed on the tooth lifting shaft 8, and the feeding tooth 13 is in transmission connection with the tooth lifting shaft 8 through the tooth lifting arm 12.
The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The adjusting structure in the sewing machine comprises a feeding tooth, an adjusting motor and a feeding adjusting seat and is characterized in that an output shaft of the adjusting motor is in transmission connection with one end of the feeding adjusting seat, the adjusting structure further comprises a tooth lifting shaft capable of rotating, the other end of the feeding adjusting seat is in transmission connection with the tooth lifting shaft, the middle of the feeding tooth is in transmission connection with the tooth lifting shaft, and the middle of the feeding adjusting seat is in transmission connection with the tooth lifting shaft.
2. The adjusting structure in a sewing machine according to claim 1, wherein a feed crank is fixed to the feed lifting pinion shaft.
3. The adjusting structure of a sewing machine according to claim 2, wherein the feeding adjusting base is connected with the feeding crank through a connecting structure, the connecting structure comprises a long feeding plate and a short feeding plate, one end of the long feeding plate and one end of the short feeding plate are concentrically and rotatably connected, the other end of the long feeding plate is rotatably connected with one end of the feeding crank, and the other end of the short feeding plate is rotatably connected with the middle of the feeding adjusting base.
4. The adjusting structure of a sewing machine according to claim 3, further comprising an upper shaft, a feed lifting tooth connecting rod, and a feed eccentric wheel, wherein the feed eccentric wheel is fixed on the upper shaft, one end of the feed lifting tooth connecting rod is rotatably connected to a side portion of the feed eccentric wheel, and one ends of the feed long plate and the feed short plate are concentrically and rotatably connected to the other end of the feed lifting tooth connecting rod.
5. The adjusting structure of sewing machine according to claim 1, wherein an adjusting crank is fixed to an output shaft of the adjusting motor, an adjusting link is rotatably connected to an edge of the adjusting crank, and the other end of the adjusting link is rotatably connected to one end of the feeding adjusting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022946493.1U CN213925305U (en) | 2020-12-10 | 2020-12-10 | Adjusting structure in sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022946493.1U CN213925305U (en) | 2020-12-10 | 2020-12-10 | Adjusting structure in sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213925305U true CN213925305U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022946493.1U Active CN213925305U (en) | 2020-12-10 | 2020-12-10 | Adjusting structure in sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213925305U (en) |
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2020
- 2020-12-10 CN CN202022946493.1U patent/CN213925305U/en active Active
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