CN201648719U - Inner shuttle of rotating shuttle with central shaft locating structure - Google Patents
Inner shuttle of rotating shuttle with central shaft locating structure Download PDFInfo
- Publication number
- CN201648719U CN201648719U CN2010201548773U CN201020154877U CN201648719U CN 201648719 U CN201648719 U CN 201648719U CN 2010201548773 U CN2010201548773 U CN 2010201548773U CN 201020154877 U CN201020154877 U CN 201020154877U CN 201648719 U CN201648719 U CN 201648719U
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- Prior art keywords
- shuttle
- central shaft
- interior
- rotating
- location structure
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Abstract
The utility model discloses a inner shuttle of a rotating shuttle with a central shaft locating structure, comprising a bowl-shaped inner shuttle body, wherein the bottom face of the inner shuttle body is a strip base board, each side of the strip bottom board has an arced opening, the upper of the inner shuttle body is an open end, a central shaft fixed on the strip bottom board is arranged in the center of the inner shuttle body, a shuttle gate groove is arranged on the upper of the center shaft, convenient for locating and installing the inner shuttle. The inner shuttle of the utility model can be integratedly formed by powder metallurgy, suitable for low cost and large-scale production. By the central shaft locating structure, the inner shuttle of the rotating shuttle with the central shaft locating structure is convenient for assembling and installing the shuttle bobbin case, has the advantages of accuracy location, convenient process, high temperature resistance, wear resistance, material saving, labor saving and easy use, and can greatly reduces the production cost.
Description
Technical field
The utility model relates to the rotating shuttle of use in sewing machine, specifically by shuttle in the rotating shuttle with central shaft location structure of powder metallurgical technique making.
Background technology
The rotating shuttle assembly of existing sewing machine, its outer shuttle hooks needlework, and around the interior shuttle rotation that take-up is housed, and makes pin and shuttle thread interweave formation lock-type chain stitch and sustainable supply bottom line tailor.
The patent of invention title: rotating shuttle, the patent No.: 91102169.8 disclose a kind of rotating shuttle, and rotating shuttle comprises the rotating shuttle frame that is installed on the rotatable rotating shuttle shell, comprise shuttle and be removably installed in shuttle on the above-mentioned rotating shuttle frame.Shuttle and shuttle can be installed in the shuttle frame together or pull down from the shuttle frame like this.The structure of shuttle frame and shuttle can make spiral amount on the shuttle increase and not increase the size of rotating shuttle shell, and does not reduce the intensity of rotating shuttle frame.Rotating shuttle comprises: shuttle has a cylindrical portion that increases external diameter; The rotating shuttle frame has a cylindrical portions may.Cylindrical portions may has hook line part and off-line part on its external peripheral surface, cylindrical portions may has certain internal diameter increment with consistent with the external diameter of cylindrical portions may, and cylindrical portions may has step-like external peripheral surface.This external peripheral surface comprises first circumferential section, the direction of rotation of this first circumferential section from the off-line part along the rotating shuttle shell extends to hook line part, cylindrical portions may also has remaining second circumferential section, the radial thickness attenuation of first circumferential section, the external diameter of second circumferential section is bigger than the external diameter of first circumferential section, and its radial thickness is also big than the first circumferential section radial thickness.
Patent of invention title: rotating shuttle device, the patent No.: 200710141955.9 disclose a kind of rotating shuttle device, this rotating shuttle device is arranged on the downside of Sewing machines needle plate, it comprises that outer shuttle has spur and the rotatably mounted interior shuttle of described outer shuttle with the rotation of lower shaft one of moving up and down synchronously with eedle, have eedle bear member be set to described outer shuttle and described in the other member of shuttle, it is to make described eedle guiding the stipulated time of described spur before being about to interlace with described eedle and the gap of regulating described eedle and described spur at least that described eedle bears member.And outside described shuttle or with described outside be provided with the position adjustments fixed mechanism on the member of shuttle one rotation, described position adjustments fixed mechanism makes described eedle be installed in the axis direction of described lower shaft with bearing the member adjustable position
The disclosed rotating shuttle assembly of above prior art, tatting structure complexity in it, and the material major part is steel, makes by blacksmithing, the manufacturing technique complexity, and the cost height can't large-scale production.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, can be and provide by shuttle in the rotating shuttle with central shaft location structure of powder metallurgical technique large-scale production, by the central shaft location structure, the assembling of being convenient to shuttle sleeve is installed, have novel structure, high temperature resistant, wear-resistant, material saving, saving working hour, advantage such as easy to use, and can reduce production costs significantly.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the interior shuttle of rotating shuttle with central shaft location structure, the interior shuttle body that comprises bowl-type, the bottom surface of interior shuttle body is the strip base plate, respectively there is an arc opening both sides of strip base plate, the upper end of interior shuttle body is an openend, be provided with the central shaft that is fixed on the strip base plate at the center of interior shuttle body, be shaped on the shuttle gate slot, be convenient to the location and installation of shuttle sleeve on the top of central shaft.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned shuttle gate slot is between the main body of the top of central shaft and central shaft, and the top of central shaft is connected by connecting portion with main body, and the two side of this connecting portion is two parallel surfaces, is convenient to installing and fixing of shuttle sleeve.
The openend of shuttle body radially extends the platform that constitutes falcate in above-mentioned, and this platform was connected with the hemicycle week of interior shuttle body openend.
The inwall of shuttle body is shaped on the locating piece of protrusion in above-mentioned, is convenient to accurate location.
The platform surface of above-mentioned locating piece correspondence top is shaped on the anti-rotation groove.Among the shuttle time, anti-rotation groove and location hook secure fit are fixed interior shuttle, and outer shuttle is rotated with respect to interior shuttle outside interior shuttle is installed in.
The top of above-mentioned locating piece, platform and interior shuttle body joint are shaped on the needle tray of strip shape.
The outer wall of shuttle body circumferentially is shaped on guide rail in above-mentioned, and this guide rail has two ends, and an end constitutes hook line portion, and the other end constitutes off-line portion.
The hook line portion of above-mentioned guide rail has a tip, is shaped on the wedge angle groove of catching suture between this tip and the interior shuttle body.
Be shaped on one to five anti-clogging secant groove on the above-mentioned guide rail.
Compared with prior art, the utility model can adopt the machine-shaping of powder metallurgical technique one, is suitable for low cost, large-scale production.This interior shuttle of rotating shuttle with central shaft location structure is by the central shaft location structure, the assembling of being convenient to shuttle sleeve is installed, have accurate positioning, be convenient to processing, high temperature resistant, wear-resistant, material saving, saving working hour, advantage such as easy to use, and can reduce production costs significantly.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the utility model embodiment;
Fig. 2 is that the A-A of Fig. 1 is to the sound view.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 2 shows that structural representation of the present utility model.
Reference numeral wherein is: interior shuttle body 1, needle tray 1a, strip base plate 2, openend 3, central shaft 4, shuttle gate slot 4a, top 4b, main body 4c, connecting portion 4d, locating piece 5, platform 6, anti-rotation groove 6a, guide rail 7, the hook line 7a of portion, the 7b of off-line portion, wedge angle groove 7c, anti-clogging secant groove 7d.
The interior shuttle of rotating shuttle with central shaft location structure of the present utility model, the interior shuttle body 1 that comprises bowl-type, the bottom surface of interior shuttle body 1 is a strip base plate 2, respectively there is an arc opening both sides of strip base plate 2, the upper end of interior shuttle body 1 is an openend 3, be provided with the central shaft 4 that is fixed on the strip base plate 2 at the center of interior shuttle body 1, the top of described central shaft 4 is shaped on shuttle gate slot 4a.
Shuttle gate slot 4a is between the main body 4c of the top of central shaft 4 4b and central shaft 4.The top of central shaft 4 is connected by connecting portion 4d with main body 4c, and the two side of this connecting portion 4d is two parallel surfaces, is convenient to installing and fixing of shuttle sleeve.As depicted in figs. 1 and 2, in the present embodiment, shuttle gate slot 4a is surrounded on the part surface of central shaft 4, and the two side of connecting portion 4d is two parallel surfaces.
Openend 3 at interior shuttle body 1 radially extends the platform 6 that constitutes falcate, and this platform 6 was connected with the hemicycle week of the openend 3 of interior shuttle body 1.
Be shaped on the locating piece 5 of protrusion at the inwall of interior shuttle body 1, platform 6 surfaces above locating piece 5 correspondences are shaped on anti-rotation groove 6a.Among the shuttle time, anti-rotation groove 6a and location hook secure fit are fixed interior shuttle, and outer shuttle is rotated with respect to interior shuttle outside interior shuttle is installed in.
Above locating piece 5, platform 6 and interior shuttle body 1 joint are shaped on the needle tray 1a of strip shape.After rotating shuttle was installed on the Sewing machines, eedle can be by the needle tray 1a of shuttle in the rotating shuttle.
Outer wall at interior shuttle body 1 circumferentially is shaped on guide rail 7, and this guide rail 7 has two ends, and an end constitutes the hook line 7a of portion, and the other end constitutes the off-line 7b of portion.Among the shuttle time, guide rail 7 matches with the groove of outer shuttle inwall outside interior shuttle is installed in.
On guide rail 7, be shaped on one to five anti-clogging secant groove 7d.In the present embodiment, on guide rail 7, be shaped on two anti-clogging secant groove 7d at interval, during shuttle rotation outside, if the hook line 7a of portion does not capture suture, anti-clogging secant groove 7d can will snap in suture fast shut-off in the anti-clogging secant groove 7d, effectively reduce the rotating shuttle that causes because of the card line and the extent of damage of Sewing machines.
The hook line 7a of portion at guide rail 7 has a tip, is shaped on the wedge angle groove 7c that catches suture between this tip and the interior shuttle body 1.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (9)
1. the interior shuttle of rotating shuttle that has the central shaft location structure, the interior shuttle body (1) that comprises bowl-type, the bottom surface of interior shuttle body (1) is strip base plate (2), respectively there is an arc opening both sides of strip base plate (2), the upper end of interior shuttle body (1) is openend (3), be provided with the central shaft (4) that is fixed on the strip base plate (2) at the center of interior shuttle body (1), it is characterized in that: the top of described central shaft (4) is shaped on shuttle gate slot (4a).
2. the interior shuttle of rotating shuttle with central shaft location structure according to claim 1, it is characterized in that: described shuttle gate slot (4a) is positioned between the main body (4c) of the top of central shaft (4) and central shaft (4), the top of central shaft (4) is connected by connecting portion (4d) with main body (4c), and the two side of this connecting portion (4d) is two parallel surfaces.
3. the interior shuttle of rotating shuttle with central shaft location structure according to claim 2, it is characterized in that: the openend (3) of shuttle body (1) radially extends the platform (6) that constitutes falcate in described, and this platform (6) was connected with the hemicycle week of interior shuttle body (1) openend (3).
4. the interior shuttle of rotating shuttle with central shaft location structure according to claim 3, it is characterized in that: the inwall of shuttle body (1) is shaped on the locating piece (5) of protrusion in described.
5. the interior shuttle of rotating shuttle with central shaft location structure according to claim 4, it is characterized in that: platform (6) surface of the corresponding top of described locating piece (5) is shaped on anti-rotation groove (6a).
6. shuttle in the rotating shuttle with central shaft location structure according to claim 5 is characterized in that: the top of described locating piece (5), platform (6) and interior shuttle body (1) joint are shaped on the needle tray (1a) of strip shape.
7. the interior shuttle of rotating shuttle with central shaft location structure according to claim 6, it is characterized in that: the outer wall of shuttle body (1) circumferentially is shaped on guide rail (7) in described, and this guide rail (7) has two ends, and an end constitutes hook line portion (7a), and the other end constitutes off-line portion (7b).
8. the interior shuttle of rotating shuttle with central shaft location structure according to claim 7, it is characterized in that: the hook line portion (7a) of described guide rail (7) has a tip, is shaped on the wedge angle groove (7c) of catching suture between this tip and the interior shuttle body (1).
9. the interior shuttle of rotating shuttle with central shaft location structure according to claim 8 is characterized in that: be shaped on one to five anti-clogging secant groove (7d) on the described guide rail (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201548773U CN201648719U (en) | 2010-04-01 | 2010-04-01 | Inner shuttle of rotating shuttle with central shaft locating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201548773U CN201648719U (en) | 2010-04-01 | 2010-04-01 | Inner shuttle of rotating shuttle with central shaft locating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648719U true CN201648719U (en) | 2010-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201548773U Expired - Lifetime CN201648719U (en) | 2010-04-01 | 2010-04-01 | Inner shuttle of rotating shuttle with central shaft locating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908396A (en) * | 2016-05-20 | 2016-08-31 | 宁波市鄞州佳安迪机械有限公司 | Sewing machine middle shuttle and manufacturing method thereof |
-
2010
- 2010-04-01 CN CN2010201548773U patent/CN201648719U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908396A (en) * | 2016-05-20 | 2016-08-31 | 宁波市鄞州佳安迪机械有限公司 | Sewing machine middle shuttle and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |