CN201050006Y - Drive mechanism for sewing machine feeding system - Google Patents
Drive mechanism for sewing machine feeding system Download PDFInfo
- Publication number
- CN201050006Y CN201050006Y CNU2007201101749U CN200720110174U CN201050006Y CN 201050006 Y CN201050006 Y CN 201050006Y CN U2007201101749 U CNU2007201101749 U CN U2007201101749U CN 200720110174 U CN200720110174 U CN 200720110174U CN 201050006 Y CN201050006 Y CN 201050006Y
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- CN
- China
- Prior art keywords
- reverse
- clutch
- sleeve pipe
- driving shaft
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a driving mechanism for a feeding system of a sewing machine and comprises a driving shaft; the utility model is characterized in that a forward surpass clutch and a reverse surpass clutch are nested coaxially on the driving shaft; a reversing mechanism which matches with the forward surpass clutch and the reverse surpass clutch is arranged on the driving shaft. The utility model has the advantages of simple structure, convenient operation and practicality; since the reversing mechanism which matches with the forward surpass clutch and the reverse surpass clutch is arranged on the driving shaft, a sliding ring is driven by an axial direction moving drive device arranged on a sliding ring so that the sliding ring meshes with a forward casing tube or a reverse casing tube according to demand; consequently, the forward surpass clutch or the reverse surpass clutch can drive the driving shaft to rotate in the forward direction or in the reverse direction; therefore, the bi-directional cloth moving of the feeding system of the sewing machine is achieved; the utility model does not only improve the line threading quality of the sewing machine, but also facilitate the operator.
Description
Technical field
The utility model relates to a kind of Sewing machines, especially relates to a kind of driving mechanism of Sewing machines feed system.
Background technology
Sewing machines is a kind of indispensable equipment in industries such as embroidery, clothes manufacturings, utilizes Sewing machines to embroider, make footwear clothes etc. and can save a lot of manpowers, also can increase work efficiency greatly simultaneously; Along with science and technology development, Sewing machines is stepped on Sewing machines from pin the earliest and is developed into electric sewer, adopts the computer controlled sewing machine of computer control now in addition, and of a great variety, purposes is also had nothing in common with each other.But in the employed in the market Sewing machines, the driving mechanism of a lot of Sewing machines feed systems can only unidirectional drive, thereby make Sewing machines can only be unidirectional walk cloth, yet on cloth, embroider or sew up the footwear clothes, especially on leather and fur products, add to reinforce before and after often wanting man-hour and step on the line, this just needs the operator that cladding is turned to earlier again to step on the line, perhaps step on the line while turning to, the former troublesome poeration, the latter is in turning to the process of stepping on the line, the stitch of stepping on disconnects easily, and pin also fractures easily.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of two-way driving mechanism of walking the Sewing machines feed system of cloth of sewing function that makes.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of driving mechanism of Sewing machines feed system, comprise driving shaft, coaxial forward freewheel clutch and the reverse freewheel clutch of being arranged with on the described driving shaft, described driving shaft is provided with the changement that cooperates with described forward freewheel clutch and described reverse freewheel clutch.
Described changement comprises coaxial forward sleeve pipe and the reverse sleeve pipe that is arranged on the described driving shaft, described forward overrunning clutch coaxial is set on the described forward sleeve pipe, described reverse overrunning clutch coaxial is set on the described reverse sleeve pipe, be provided with slip ring between described forward sleeve pipe and the described reverse sleeve pipe, described slip ring is coaxial to be set on the described driving shaft, described forward sleeve pipe is provided with first forward and connects tooth, described reverse sleeve pipe is provided with first and oppositely connects tooth, the two ends of described slip ring are wholely set forward dome and the reverse dome of diameter less than described cover external diameter of pipe, described forward dome is provided with second forward and connects tooth, described reverse dome is provided with second and oppositely connects tooth, and described slip ring is provided with and moves axially drive unit.
The described drive unit that moves axially comprises push rod and is arranged on the interior push-rod hole of described driving shaft, described push rod is arranged in the described push-rod hole, be provided with spring between one end of described push rod and the bottom surface of described push-rod hole, the other end of described push rod is connected with the push rod driving mechanism, described driving shaft is provided with the chute that communicates with described push-rod hole, described push rod is provided with connecting pin, described connecting pin passes described push rod and is fastened in the described chute, fixedlys connected with described slip ring in the two ends of described connecting pin.
Be respectively arranged with forward clutch post and reverse clutch post in the interior ring of described forward freewheel clutch and described reverse freewheel clutch, distance (D1) between two adjacent faces of described forward clutch post and described reverse clutch post is greater than the width (D2) of described slip ring, the end face of described reverse clutch post to described first oppositely connect distance (M1) between the increment of tooth greater than the bottom face of described reverse dome to described first distance (M2) that oppositely connects between the increment of tooth.
Coaxial respectively positive lock clutch and the backward hold clutch of being arranged with on described forward sleeve pipe and the described reverse sleeve pipe, described positive lock clutch is arranged on the described forward freewheel clutch outside, and described backward hold clutch is arranged on the outside of described reverse freewheel clutch.
Be respectively arranged with spring collar between described forward sleeve pipe and described reverse sleeve pipe and the described driving shaft.
Compared with prior art, the utility model has the advantages that simple in structure, convenient and practical; Because driving shaft is provided with the changement that cooperates with forward freewheel clutch and reverse freewheel clutch, as long as drive slip ring by the drive unit that moves axially on the slip ring, slip ring is meshed with forward sleeve pipe or reverse sleeve pipe as required, forward freewheel clutch or reverse freewheel clutch just can drive driving shaft and rotate forward or backwards, thereby realize the two-way cloth of walking of Sewing machines feed system, improved the quality of stepping on the line of Sewing machines, it is more convenient to allow the operator use simultaneously; And the forward freewheel clutch and oppositely the outside of freewheel clutch be respectively arranged with positive lock clutch and backward hold clutch, make the rotation of driving shaft more stable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is one of structural representation of changement of the present utility model;
Fig. 3 be changement of the present utility model structural representation two.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure: a kind of driving mechanism of Sewing machines feed system, comprise driving shaft 1, slip ring 5, connecting pin 6 and push rod 10, slip ring 5 coaxial being set on the driving shaft 1, be provided with push-rod hole 11 in the driving shaft 1, push rod 10 is arranged in the push-rod hole 11, be provided with spring 12 between one end of push rod 10 and the bottom surface of push-rod hole 11, the other end of push rod 10 is connected with push rod driving mechanism (not shown), driving shaft 1 is provided with the chute 13 that communicates with push-rod hole 11, connecting pin 6 passes push rod 10 and is fastened in the chute 13, fixedly connected with slip ring 5 in the two ends of connecting pin 6, be coaxially arranged with forward sleeve pipe 2 and reverse sleeve pipe 3 by first spring collar 8 and second spring collar 9 on the driving shaft 1, forward sleeve pipe 2 and reverse sleeve pipe 3 are arranged on the both sides of slip ring 5, forward sleeve pipe 2 is provided with first forward and connects tooth 21, oppositely sleeve pipe 3 is provided with the first reverse tooth 31 that connects, the two ends of slip ring 5 are wholely set forward dome 51 and the reverse dome 52 of diameter less than forward sleeve pipe 2 external diameters, forward dome 51 is provided with second forward and connects tooth 53, oppositely dome 52 is provided with the second reverse tooth 54 that connects, coaxial forward freewheel clutch 4 and the positive lock clutch 15 of being arranged with on the forward sleeve pipe 2, coaxial reverse freewheel clutch 7 and the backward hold clutch 14 of being arranged with on the reverse sleeve pipe 3, positive lock clutch 15 is arranged on the outside of forward freewheel clutch 4, backward hold clutch 14 is arranged on the outside of reverse freewheel clutch 7, be respectively arranged with forward clutch post 41 and reverse clutch post 71 in the interior ring of forward freewheel clutch 4 and reverse freewheel clutch 7, forward clutch post 41 and oppositely the distance D 1 between two adjacent faces of clutch post 71 greater than the width D 2 of slip ring 5, oppositely the end face to the first of clutch post 71 oppositely connect between the increment of tooth 31 apart from M1 oppositely connect greater than the reverse bottom face to the first of dome 52 between the increment of tooth 31 apart from M2.
Claims (6)
1. the driving mechanism of a Sewing machines feed system, comprise driving shaft, it is characterized in that coaxial forward freewheel clutch and the reverse freewheel clutch of being arranged with on the described driving shaft, described driving shaft is provided with the changement that cooperates with described forward freewheel clutch and described reverse freewheel clutch.
2. the driving mechanism of a kind of Sewing machines feed system as claimed in claim 1, it is characterized in that described changement comprises coaxial forward sleeve pipe and the reverse sleeve pipe that is arranged on the described driving shaft, described forward overrunning clutch coaxial is set on the described forward sleeve pipe, described reverse overrunning clutch coaxial is set on the described reverse sleeve pipe, be provided with slip ring between described forward sleeve pipe and the described reverse sleeve pipe, described slip ring is coaxial to be set on the described driving shaft, described forward sleeve pipe is provided with first forward and connects tooth, described reverse sleeve pipe is provided with first and oppositely connects tooth, the two ends of described slip ring are wholely set forward dome and the reverse dome of diameter less than described cover external diameter of pipe, described forward dome is provided with second forward and connects tooth, described reverse dome is provided with second and oppositely connects tooth, and described slip ring is provided with and moves axially drive unit.
3. the driving mechanism of a kind of Sewing machines feed system as claimed in claim 2, it is characterized in that the described drive unit that moves axially comprises push rod and is arranged on the interior push-rod hole of described driving shaft, described push rod is arranged in the described push-rod hole, be provided with spring between one end of described push rod and the bottom surface of described push-rod hole, the other end of described push rod is connected with the push rod driving mechanism, described driving shaft is provided with the chute that communicates with described push-rod hole, described push rod is provided with connecting pin, described connecting pin passes described push rod and is fastened in the described chute, fixedlys connected with described slip ring in the two ends of described connecting pin.
4. the driving mechanism of a kind of Sewing machines feed system as claimed in claim 2, it is characterized in that being respectively arranged with in the interior ring of described forward freewheel clutch and described reverse freewheel clutch forward clutch post and reverse clutch post, distance (D1) between two adjacent faces of described forward clutch post and described reverse clutch post is greater than the width (D2) of described slip ring, the end face of described reverse clutch post to described first oppositely connect distance (M1) between the increment of tooth greater than the bottom face of described reverse dome to described first distance (M2) that oppositely connects between the increment of tooth.
5. the driving mechanism of a kind of Sewing machines feed system as claimed in claim 2, it is characterized in that coaxial respectively positive lock clutch and the backward hold clutch of being arranged with on described forward sleeve pipe and the described reverse sleeve pipe, described positive lock clutch is arranged on the described forward freewheel clutch outside, and described backward hold clutch is arranged on the outside of described reverse freewheel clutch.
6. the driving mechanism of a kind of Sewing machines feed system as claimed in claim 2 is characterized in that being respectively arranged with spring collar between described forward sleeve pipe and described reverse sleeve pipe and the described driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201101749U CN201050006Y (en) | 2007-06-08 | 2007-06-08 | Drive mechanism for sewing machine feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201101749U CN201050006Y (en) | 2007-06-08 | 2007-06-08 | Drive mechanism for sewing machine feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050006Y true CN201050006Y (en) | 2008-04-23 |
Family
ID=39336488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201101749U Expired - Fee Related CN201050006Y (en) | 2007-06-08 | 2007-06-08 | Drive mechanism for sewing machine feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050006Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498304A (en) * | 2013-09-13 | 2014-01-08 | 浙江百惠缝纫机有限公司 | Needle bar separation mechanism of sewing machine |
| CN113830279A (en) * | 2021-11-09 | 2021-12-24 | 中国电子科技集团公司第三十八研究所 | Propeller electric propulsion device for adjusting posture of airship |
-
2007
- 2007-06-08 CN CNU2007201101749U patent/CN201050006Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498304A (en) * | 2013-09-13 | 2014-01-08 | 浙江百惠缝纫机有限公司 | Needle bar separation mechanism of sewing machine |
| CN103498304B (en) * | 2013-09-13 | 2015-12-16 | 浙江百惠缝纫机有限公司 | Needle bar of sewing machine separating mechanism |
| CN113830279A (en) * | 2021-11-09 | 2021-12-24 | 中国电子科技集团公司第三十八研究所 | Propeller electric propulsion device for adjusting posture of airship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20100608 |