CN202227101U - Bottom thread continuous-feeding mechanism of sewing machine - Google Patents
Bottom thread continuous-feeding mechanism of sewing machine Download PDFInfo
- Publication number
- CN202227101U CN202227101U CN2011201412049U CN201120141204U CN202227101U CN 202227101 U CN202227101 U CN 202227101U CN 2011201412049 U CN2011201412049 U CN 2011201412049U CN 201120141204 U CN201120141204 U CN 201120141204U CN 202227101 U CN202227101 U CN 202227101U
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- shuttle
- axle
- peg
- bottom line
- bobbin case
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Abstract
The utility model relates to a bottom thread mechanism of a sewing machine, in particular to a bottom thread continuous-feeding mechanism of the sewing machine. The bottom thread continuous-feeding mechanism comprises a rotary-shuttle component and a shuttle peg sleeve, a shuttle peg is arranged in the middle of the rotary-shuttle component, the back of the rotary-shuttle component is fixedly connected with a tubular hollow shuttle shaft, the shuttle peg is provided with a thicker columnar base, one side of the shuttle peg is provided with an inclined bottom thread hole, and the bottom of the bottom thread hole is communicated with a cavity of the shuttle shaft. The shuttle peg sleeve is embedded in the rotary-shuttle component, and a thread pressing reed is fixed on the outer surface of a thread outlet of the shuttle peg sleeve. A bottom thread protecting tube is mounted in an inner cavity of the shuttle shaft, and the outer end of the bottom thread protecting tube extends from the inner cavity of the shuttle shaft to form an arc bend section. A gap for bottom threads to pass is reserved on the side wall of the threat outlet of the shuttle peg sleeve. The bottom thread continuous-feeding mechanism is simple in structure, outline size is basically identical with that of exiting parts, exiting sewing machines can be used continuously after corresponding parts thereof are replaced, bottom threads do not need to be changed repeatedly, cannot be stopped or twined and can be reliably continuously fed, and work efficiency is greatly improved.
Description
[technical field]
The utility model relates to a kind of bobbin thread for sewing machine mechanism, more particularly, relates to a kind of Sewing machines continuously feeding ground thread mechanism.
[background technology]
Bobbin thread for sewing machine mechanism comprises annular rotating shuttle assembly and the bobbin case that is installed in the rotating shuttle assembly, and rotating shuttle assembly is connected with the shuttle axle, and the center is provided with the peg or spindle axle, and there is positioning port the outer of bobbin case, and there is the bottom line line outlet on the positioning port side.Bobbin thread for sewing machine is on peg or spindle, and peg or spindle is contained on the hollow shaft in the bobbin case, and in the bobbin case that peg or spindle is housed was embedded in, its hollow shaft sleeve was contained in outside the peg or spindle axle.The bobbin case top side portion has wire hole, and wire hole is by the bottom line line outlet, and bottom line is drawn to pull out through the bottom line line outlet of outer edge from the bobbin case wire hole and is sewing supply bottom line.Bobbin thread for sewing machine because the bottom line that peg or spindle twines is limited, will repeatedly be shut down the replacing peg or spindle during production on peg or spindle, influence sewing work efficient.
But China utility model patent CN200820218368 discloses a kind of sewing machine shuttle of continuously feeding ground thread, and its technical scheme is: but the sewing machine shuttle of continuously feeding ground thread has annular rotating shuttle and the annular in rotating shuttle to decide shuttle; Rotating shuttle is connected with the shuttle axle, and the outer edge of deciding shuttle has positioning port, and there is the bottom line line outlet on the positioning port side; Decide shuttle and be the annular of open loop and decide shuttle, the shuttle axle is tubular hollow shuttle axle, is with the bottom line pipe of axis on same straight line of axis and shuttle axle in the hollow shuttle axle; Stretch out outside the shuttle axle outer end of bottom line pipe; Bottom line pipe a section outside the shuttle axle is a bend loss, and the inner of bottom line pipe puts in decides in the shuttle ring, and the inner of bottom line pipe is connected with the bottom line looper; On the bottom line looper through wires hole is arranged, the through wires hole at bottom line looper needle point place is being decided by the bottom line line outlet of shuttle outer edge.
Though such scheme has been realized the purpose of continuously feeding ground thread, because bottom line need pass from the through wires hole on the bottom line looper, wear bottom line also needs spended time at every turn, so such scheme is perfect not enough, and further room for improvement is arranged.
[utility model content]
The utility model technical problem to be solved need not repeatedly threading or thread-changing, the Sewing machines continuously feeding ground thread mechanism that bottom line can not be obstructed or twine when being to provide a kind of use.
The technical scheme of the utility model is: Sewing machines continuously feeding ground thread mechanism, comprise rotating shuttle assembly and bobbin case, and be provided with the peg or spindle axle in the middle of the said rotating shuttle assembly, the said rotating shuttle assembly back side and a tubular, hollow shuttle axle are connected and fixed; Said peg or spindle axle has thicker cylindrical base, and its side has the bottom line hole of an inclination, and this bottom, bottom line hole is communicated with said shuttle axle cavity; Said bobbin case is inlaid in the said rotating shuttle assembly, and the wire hole outer surface of said bobbin case is fixed with the line ball reed; In the said shuttle axle inner chamber bottom line pillar is housed, this bottom line pillar outer end extends out and forms the circular arc bend loss from said shuttle axle inner chamber.
As the further improvement of such scheme, the wire hole sidewall of said bobbin case has the slit that feeding ground thread passes through.
Another kind as such scheme improves, the hollow shaft of said bobbin case and said peg or spindle shaft end coupling, and this hollow shaft length is less than the height of said bobbin case.
During use; Fix the bend loss of bottom line pillar, penetrate an end of bottom line bend loss one end from the bottom line pillar behind the tension disk of regulating the bottom line degree of tightness, pull out in the bottom line hole from the peg or spindle axle; Wire hole through bobbin case passes again, after line ball reed adjustment of tonicity, pulls out from line outlet.When the shuttle axle rotates,, can not drive the bottom line pillar and rotate, thereby prevent that bottom line from twining because of bend loss is fixed.Because of the wire hole sidewall of bobbin case has the slit that feeding ground thread passes through, bottom line can directly get into wire hole from the wire hole side, avoid occurring repeatedly threading or thread-changing, has improved operating efficiency.
The advantage of the utility model is: the utility model is simple in structure; External dimensions and existing parts are basic identical; Existing Sewing machines only needs to change corresponding component and uses, and need not repeatedly threading or thread-changing during use, and bottom line can not be obstructed or twine; Continuously feeding ground thread has improved operating efficiency greatly reliably.
[description of drawings]
Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model,
Fig. 2 is the stereogram of the utility model bobbin case,
Fig. 3 is the cutaway view of the utility model bobbin case,
Fig. 4 is the utility model rotating shuttle assembly assembly stereogram,
Fig. 5 is the cutaway view of the utility model peg or spindle axle.
[specific embodiment]
Further specify the utility model through embodiment below, and the utility model is not restricted to said embodiment, all similar with the utility model structure, and only be that size, position are adjusted or change person to some extent, then all belong to the protection category of the utility model.
Like Fig. 1,2, shown in 4, Sewing machines continuously feeding ground thread mechanism comprises rotating shuttle assembly 1, bobbin case 3, is provided with peg or spindle axle 4 in the middle of the rotating shuttle assembly 1, and rotating shuttle assembly 1 back side is provided with connector, and connector and tubular, hollow shuttle axle 5 are tightened; Perhaps said connector outer end and 5 sockets of tubular, hollow shuttle axle, hollow shuttle axle 5 sidewalls have screw, and hollow shuttle axle 5 is enclosed within on the said connector and through trip bolt to be fixed.Bobbin case 3 is inlaid in the rotating shuttle assembly 1, and the wire hole of bobbin case 3 outside is fixed with line ball reed 6; In shuttle axle 5 inner chambers bottom line pillar 7 is housed, bottom line pillar 7 outer ends extend out and form the circular arc bend loss from shuttle axle 5 inner chambers.The wire hole sidewall of bobbin case 3 has the slit that feeding ground thread passes through.
As shown in Figure 5, peg or spindle axle 4 has a thicker cylindrical base, and its side has the bottom line hole 8 that tilts, and these 8 bottoms, bottom line hole are communicated with the cavity of shuttle axle 5.Bottom line hole 8 is circular-arc with shuttle axle 5 outer walls and peg or spindle axle 4 outer wall junctions, prevents the scratch bottom line.
As shown in Figure 3, hollow shaft 2 in the bobbin case 3 and peg or spindle axle 4 ends coupling, the length of hollow shaft 2 is less than the height of bobbin case 3.
During use; Fix the bend loss of bottom line pillar 7, penetrate an end of bottom line bend loss one end from bottom line pillar 7 behind the tension disk of regulating the bottom line degree of tightness, pull out in the bottom line hole from peg or spindle axle 4; Wire hole through bobbin case 3 passes again, after line ball reed 6 adjustment of tonicity, pulls out from line outlet.When shuttle axle 5 rotates, because of bend loss is fixed, can not drive bottom line pillar 7 and rotate, thereby prevent that bottom line from twining.Because of the wire hole sidewall of bobbin case 3 has the slit that feeding ground thread passes through, bottom line can directly get into wire hole from the wire hole side, avoid occurring repeatedly threading or thread-changing, has improved operating efficiency.
Although illustrated and described the embodiment of the utility model; For those of ordinary skill in the art; Be appreciated that under the situation of principle that does not break away from the utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited accompanying claims and equivalent thereof.
Claims (5)
1. Sewing machines continuously feeding ground thread mechanism; Comprise rotating shuttle assembly and bobbin case; Be provided with the peg or spindle axle in the middle of the said rotating shuttle assembly, the said rotating shuttle assembly back side and a tubular, hollow shuttle axle are connected and fixed, and it is characterized in that: said peg or spindle axle has a thicker cylindrical base; Its side has the bottom line hole of an inclination, and this bottom, bottom line hole is communicated with said shuttle axle cavity; Said bobbin case is inlaid in the said rotating shuttle assembly, and the wire hole outer surface of said bobbin case is fixed with the line ball reed; In the said shuttle axle inner chamber bottom line pillar is housed, this bottom line pillar outer end extends out and forms the circular arc bend loss from said shuttle axle inner chamber.
2. according to the said Sewing machines continuously feeding ground thread of claim 1 mechanism, it is characterized in that: the wire hole sidewall of said bobbin case has the slit that feeding ground thread passes through.
3. according to the said Sewing machines continuously feeding ground thread of claim 1 mechanism, it is characterized in that: said bottom line hole and said shuttle axle and peg or spindle axle outer wall junction are circular-arc.
4. according to the said Sewing machines continuously feeding ground thread of claim 1 mechanism, it is characterized in that: the hollow shaft of said bobbin case and said peg or spindle shaft end coupling, this hollow shaft length is less than the height of said bobbin case.
5. according to the said Sewing machines continuously feeding ground thread of claim 1 mechanism; It is characterized in that: the said rotating shuttle assembly back side is provided with connector; Said connector outer end and tubular, hollow shuttle axle sleeve connect; Said hollow shuttle axle sidewall has screw, and said hollow shuttle axle sleeve is fixed on said connector and through trip bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201412049U CN202227101U (en) | 2011-05-06 | 2011-05-06 | Bottom thread continuous-feeding mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201412049U CN202227101U (en) | 2011-05-06 | 2011-05-06 | Bottom thread continuous-feeding mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202227101U true CN202227101U (en) | 2012-05-23 |
Family
ID=46077697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201412049U Expired - Fee Related CN202227101U (en) | 2011-05-06 | 2011-05-06 | Bottom thread continuous-feeding mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202227101U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409951A (en) * | 2013-08-30 | 2013-11-27 | 单文松 | Lockstitch sewing machine |
| CN106948102A (en) * | 2017-03-24 | 2017-07-14 | 江苏工程职业技术学院 | A kind of sewing machine for line shuttle head of exempting to refoot |
| CN110093725A (en) * | 2019-05-13 | 2019-08-06 | 张效柏 | Rotating shuttle |
| CN110344187A (en) * | 2019-07-09 | 2019-10-18 | 周武宏 | One kind exempting from the automatic feeding ground thread computerized embroidery device of shuttle changing core |
-
2011
- 2011-05-06 CN CN2011201412049U patent/CN202227101U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409951A (en) * | 2013-08-30 | 2013-11-27 | 单文松 | Lockstitch sewing machine |
| CN106948102A (en) * | 2017-03-24 | 2017-07-14 | 江苏工程职业技术学院 | A kind of sewing machine for line shuttle head of exempting to refoot |
| CN110093725A (en) * | 2019-05-13 | 2019-08-06 | 张效柏 | Rotating shuttle |
| CN110344187A (en) * | 2019-07-09 | 2019-10-18 | 周武宏 | One kind exempting from the automatic feeding ground thread computerized embroidery device of shuttle changing core |
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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: 20120523 Termination date: 20140506 |