CN101818418B - Edge covering mechanism of sewing machine - Google Patents
Edge covering mechanism of sewing machine Download PDFInfo
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- CN101818418B CN101818418B CN200910154268A CN200910154268A CN101818418B CN 101818418 B CN101818418 B CN 101818418B CN 200910154268 A CN200910154268 A CN 200910154268A CN 200910154268 A CN200910154268 A CN 200910154268A CN 101818418 B CN101818418 B CN 101818418B
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- tube
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- bound edge
- edge covering
- fin
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Abstract
The invention discloses an edge covering mechanism of a sewing machine, comprising a snake-shaped frame and a flat tube connected to the front end of the snake-shaped frame to limit the location. The front end of the flat tube is connected with an edge covering tube which is gradually closed up; the edge covering tube is formed by surrounding an upper guide plate and a lower guide plate; the lower guide plate is arched at the middle part and has concave arc sections at two sides; the joints at two sides of the upper guide plate and the lower guide plate are provided with ribs, which combine with the arc sections to form curling passages; the front end of the edge covering tube is provided with a U-shaped tube for folding and gathering a cloth strap; the edge covering tube comprises a primary edge covering tube and a secondary edge covering tube; the primary edge covering tube corresponds to the first rib, the first arc section and the first curling passage; the secondary edge covering tube corresponds to the second rib, the second arc section and the second curling passage; the curvatures of the second rib and the second arc section are respectively less than that of the first rib and the first arc section; and the second curling passage is lower than the first curling passage. The invention provides a six-folding edge covering mechanism of the sewing machine for covering more compact edges.
Description
Technical field
The present invention relates to a kind of edge covering mechanism of use in sewing machine.
Background technology
The edge covering mechanism that existing sewing machine is used is two folding or four foldings mostly; Fig. 1 is the cross-sectional view of four folding bound edge cloths, and application number 97229628.X " edge covering mechanism of sewing machine " just discloses a kind of four folding edge covering mechanisms, and in order to make the needs of clothes; Perhaps improve the class of clothes; Need to make the six folding bound edge cloths that bound edge more compacts, its cross section is as shown in Figure 2, also is about to the cloth both sides and bends both sides doubling again after the twice respectively; Therefore, provide a kind of use in sewing machine six folding edge covering mechanisms to realize that said process needs.
Summary of the invention
In order to solve the problems referred to above that existing bound edge process exists, the Sewing machines six folding edge covering mechanisms that the present invention provides a kind of bound edge more to compact.
The present invention adopts following technical scheme:
Edge covering mechanism of sewing machine; Comprise snakelike, be connected the flat tube that snakelike front end plays position-limiting action; The width of said flat tube and the width of cloth coupling, the front end of said flat tube is connected with the bound edge tube that closes up gradually, and described bound edge tube is surrounded by upper guide plate and bottom guide and forms; Said bottom guide middle part is superfluous arch; Both sides are recessed segmental arc, and there is superfluous fin the junction, both sides of said upper guide plate and bottom guide, and described fin and segmental arc acting in conjunction form the crimping passage with the cloth crimping; The front end of said bound edge tube is provided with the U-shaped tube that the cloth doubling is drawn in, and the through hole direction of said U-shaped tube is vertical with upper guide plate; Described bound edge tube comprises a bound edge tube, the secondary bound edge tube that connects successively; Corresponding first fin of a described bound edge tube, first segmental arc and first volume edge channel; Corresponding second fin of described secondary bound edge tube, second segmental arc and the second crimping passage; The breach that exists transition to use between the described first volume edge channel and the second crimping passage; The curvature of said second fin and second segmental arc is respectively less than first fin and first segmental arc, the said second crimping passage perpendicular to the height of upper guide plate direction less than first volume edge channel.
Further, be connected with spacing iron wire between the both sides of said upper guide plate and U-shaped tube.Spacing iron wire has left and right two, is connected to the both sides of U-shaped tube, and the cloth that comes out from the bound edge tube is played spacing guiding function, and like this, cloth can not fall in that the transitional region between bound edge tube and the U-shaped tube is slack and undisciplined.
As preferably, the upper end of the said second crimping passage is concordant with first volume edge channel, and the lower end is higher than the lower end of first volume edge channel.The cloth that comes out from first volume edge channel is when getting into the second crimping passage through the middle transitional breach; The holder power that receives the lower end segmental arc is by upwards guiding, and under the effect of the inner edge of the second mild crimping passage of curvature, cloth is to crimped; Because the aspect ratio of the second crimping passage is littler than first volume edge channel; Limited the crooked height of cloth, cloth is inwardly curled together again, forms the bound edge that more compacts.Why the preferred second crimping passage is compared with first volume edge channel, and the concordant lower edge of upper limb is lower, be because the holder power effect of segmental arc that is positioned at the lower end for the curling once more of cloth, application of force better effects if.
Preferably, the curvature of described first fin be the second fin curvature 1.3-1.8 doubly.
Preferably, the curvature of described first segmental arc be the second segmental arc curvature 1.5-2.5 doubly.
Preferably, said first volume edge channel the height perpendicular to the upper guide plate direction be the second crimping passage 1.2-1.6 doubly.First, second crimping passage of this height ratio can guarantee that cloth by crimping once more once.
Technical conceive of the present invention is: the combination that the bound edge tube is designed to bound edge tube and secondary bound edge tube; Cloth passes through bound edge tube in first volume edge channel, accomplish bound edge after; Get into secondary bound edge tube through the transition breach between first, second crimping passage again; The transition of indentation, there gets the cloth behind the crimping to loosening, and helps cloth like this and gets into and to carry out curling together bound edge in the wideer flat secondary bound edge passage again, and what the main points that can accomplish the secondary bound edge were the second crimping passage goes up following curvature all less than first volume edge channel; And the second crimping passage is shorter than first volume edge channel; Like this, be extruded in the second crimping passage that the cloth entry altitude shortens, under the crimping effect of the holder power of second segmental arc and milder second fin of curvature; Cloth is accomplished the secondary bound edge to crimped more together; The cloth that comes out in the secondary bound edge tube bends 90 degree more vertically through the U-shaped tube, is accomplished the doubling of cloth by the U-shaped tube and draws in, and the cloth that comes out from the U-shaped tube at last promptly becomes six folding bound edge cloths.
Beneficial effect of the present invention is: the Sewing machines six folding edge covering mechanisms that (1) provides a kind of bound edge more to compact; (2) simple in structure, dependable performance.
Description of drawings
Fig. 1 is the cross-sectional view of four folding bound edge cloths.
Fig. 2 is the cross-sectional view of six folding bound edge cloths.
Fig. 3 is a structural representation of the present invention.
Fig. 4 is the A-A view of Fig. 3.
Fig. 5 is the B-B view of Fig. 3.
Fig. 6 is the cross-sectional view of the cloth that comes out from bound edge tube.
Fig. 7 is the cross-sectional view of the cloth that comes out from secondary bound edge tube.
Fig. 8 is the cross-sectional view of the cloth that comes out from the U-shaped tube.
The specific embodiment
With reference to Fig. 1-8: edge covering mechanism of sewing machine; Comprise snakelike 1, be connected the flat tube 2 that snakelike 1 front end plays position-limiting action; The width of said flat tube 2 and the width of cloth coupling, the front end of said flat tube 2 is connected with the bound edge tube 3 that closes up gradually, and described bound edge tube 3 is surrounded by upper guide plate 4 and bottom guide 5 and forms; Said bottom guide 5 middle parts are superfluous arch; Both sides are recessed segmental arc, and said upper guide plate 4 has superfluous fin with the junction, both sides of bottom guide 5, and described fin and segmental arc acting in conjunction form the crimping passage with the cloth crimping; The front end of said bound edge tube 3 is provided with the U-shaped tube 6 that the cloth doubling is drawn in, and the through hole direction of said U-shaped tube 6 is vertical with upper guide plate 4; Described bound edge tube 3 comprises a bound edge tube 31, the secondary bound edge tube 32 that connects successively; Corresponding first fin 311 of a described bound edge tube 31, first segmental arc 312 and first volume edge channel 313; Corresponding second fin 321 of described secondary bound edge tube 32, second segmental arc 322 and the second crimping passage 323; The breach 8 that exists transition to use between the described first volume edge channel 313 and the second crimping passage 323; The curvature of said second fin 321 and second segmental arc 322 is respectively less than first fin 311 and first segmental arc 312, the said second crimping passage 323 perpendicular to the height of upper guide plate 4 directions less than first volume edge channel 313.
In the present embodiment, the upper end of the said second crimping passage 323 is concordant with first volume edge channel 313, and the lower end is higher than the lower end of first volume edge channel 313.The cloth that comes out from first volume edge channel is when getting into the second crimping passage through the middle transitional breach; The holder power that receives the lower end segmental arc is by upwards guiding, and under the effect of the inner edge of the second mild crimping passage of curvature, cloth is to crimped; Because the aspect ratio of the second crimping passage is littler than first volume edge channel; Limited the crooked height of cloth, cloth is inwardly curled together again, forms the bound edge that more compacts.Why the preferred second crimping passage is compared with first volume edge channel, and the concordant lower edge of upper limb is lower, be because the holder power effect of segmental arc that is positioned at the lower end for the curling once more of cloth, application of force better effects if.
Be connected with spacing iron wire 7 between the both sides of said upper guide plate 4 and U-shaped tube 6; About iron wire has two, be connected to the both sides of U-shaped tube, the cloth that comes out from the bound edge tube is played spacing guiding function; Like this, cloth can not fall in that the transitional region between bound edge tube and the U-shaped tube is slack and undisciplined.The cloth that comes out from the bound edge tube is under the transitional function of two spacing iron wires 7, and bending 90 degree get into U-shaped tubes 6, and the doubling of accomplishing cloths by U-shaped tube 6 is again drawn in.
In the present embodiment, the curvature of described first fin is 1.5 of the second fin curvature.The curvature of described first segmental arc is 2 times of the second segmental arc curvature.Said first volume edge channel is 1.4 times of the second crimping passage at the height perpendicular to the upper guide plate direction.
This programme is designed to the bound edge tube combination of bound edge tube 31 and secondary bound edge tube 32; Cloth passes through a bound edge tube 31 and in first volume edge channel 313, accomplishes one time bound edge; Fig. 6 is the cross-sectional view of the cloth that comes out from bound edge tube; Get into secondary bound edge tube 32 through the transition breach between first, second crimping passage 8 more afterwards, the transition at breach 8 places gets the cloth behind the crimping to loosening, and helps like this carrying out curling together bound edge in the wideer flat secondary bound edge passage 323 of cloth entering again; What the main points that can accomplish the secondary bound edge were the second crimping passage 323 goes up following curvature all less than first volume edge channel 313; And the second crimping passage 323 is shorter than first volume edge channel 313, like this, is extruded in the second crimping passage 323 that the cloth entry altitude shortens; Under the crimping effect of the holder power of the second milder segmental arc of curvature and milder second fin of curvature; Cloth is accomplished the secondary bound edge to crimped more together, and Fig. 7 is the cross-sectional view of the cloth that comes out from secondary bound edge tube, and the cloth that in secondary bound edge tube, comes out bends 90 degree more vertically through U-shaped tube 6 (overbending direction is shown in arrow Fig. 7); Accomplished the doubling of cloth by U-shaped tube 6 and draw in, the cloth that comes out from U-shaped tube 6 at last promptly becomes six folding bound edge cloths.Fig. 8 is the cross-sectional view of the cloth that comes out from the U-shaped tube.
In the present embodiment, the original width of cloth is 3.5CM, and the cloth width that comes out from bound edge tube is 2.5CM, and the cloth width that comes out from secondary bound edge tube is 1CM, and the cloth width that comes out from the U-shaped tube is 0.5CM.
Present embodiment only is enumerating the inventive concept way of realization; Protection scope of the present invention is not limited only to the described concrete form of present embodiment, and protection scope of the present invention reaches in those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present invention.
Claims (6)
1. edge covering mechanism of sewing machine; Comprise snakelike, be connected the flat tube that snakelike front end plays position-limiting action; The width of said flat tube and the width of cloth coupling, the front end of said flat tube is connected with the bound edge tube that closes up gradually, and described bound edge tube is surrounded by upper guide plate and bottom guide and forms; Said bottom guide middle part is the arch of protuberance; Both sides are recessed segmental arc, the bossed fin in junction, both sides of said upper guide plate and bottom guide, and described fin and segmental arc acting in conjunction form the crimping passage with the cloth crimping; The front end of said bound edge tube is provided with the U-shaped tube that the cloth doubling is drawn in, and the through hole direction of said U-shaped tube is vertical with upper guide plate; It is characterized in that: described bound edge tube comprises a bound edge tube, the secondary bound edge tube that connects successively; Corresponding first fin of a described bound edge tube, first segmental arc and first volume edge channel; Corresponding second fin of described secondary bound edge tube, second segmental arc and the second crimping passage; The breach that exists transition to use between the described first volume edge channel and the second crimping passage; The curvature of said second fin and second segmental arc is respectively less than first fin and first segmental arc, the said second crimping passage perpendicular to the height of upper guide plate direction less than first volume edge channel.
2. edge covering mechanism of sewing machine as claimed in claim 1 is characterized in that: be connected with spacing iron wire between the both sides of said upper guide plate and U-shaped tube.
3. according to claim 1 or claim 2 edge covering mechanism of sewing machine, it is characterized in that: the upper end of the said second crimping passage is concordant with first volume edge channel, and the lower end is higher than the lower end of first volume edge channel.
4. edge covering mechanism of sewing machine as claimed in claim 3 is characterized in that: the curvature of said first fin is 1.3-1.8 times of the second fin curvature.
5. edge covering mechanism of sewing machine as claimed in claim 4 is characterized in that: the curvature of said first segmental arc is 1.5-2.5 times of the second segmental arc curvature.
6. edge covering mechanism of sewing machine as claimed in claim 5 is characterized in that: the height of said first volume edge channel is 1.2-1.6 a times of the second crimping passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910154268A CN101818418B (en) | 2009-11-19 | 2009-11-19 | Edge covering mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910154268A CN101818418B (en) | 2009-11-19 | 2009-11-19 | Edge covering mechanism of sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN101818418A CN101818418A (en) | 2010-09-01 |
| CN101818418B true CN101818418B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910154268A Active CN101818418B (en) | 2009-11-19 | 2009-11-19 | Edge covering mechanism of sewing machine |
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| CN (1) | CN101818418B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862271B (en) * | 2016-06-01 | 2018-06-08 | 上海海螺服饰有限公司 | Use in sewing machine rolls over optional automatic Wrapping apparatus more |
| CN111593501A (en) * | 2020-05-20 | 2020-08-28 | 嘉兴学院 | Coil buckle strip pull cylinder in sewing machine and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB435848A (en) * | 1935-04-18 | 1935-09-30 | Singer Mfg Co | Binder for sewing machines |
| US4298148A (en) * | 1979-03-16 | 1981-11-03 | Clover Mfg. Co., Ltd. | Hand device for making a bias tape |
| US4765172A (en) * | 1986-11-24 | 1988-08-23 | Sgt Folders Unlimited, Inc. | Method and tools for forming sewing machine binder strip folders |
| CN2306239Y (en) * | 1997-10-14 | 1999-02-03 | 于尊民 | Overedging mechanism for sewing machine |
| US20060009340A1 (en) * | 2004-07-12 | 2006-01-12 | William Park | Adjustable bias folder |
| CN201560303U (en) * | 2009-11-19 | 2010-08-25 | 安泰(德清)时装有限公司 | Edge covering mechanism for sewing machine |
-
2009
- 2009-11-19 CN CN200910154268A patent/CN101818418B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB435848A (en) * | 1935-04-18 | 1935-09-30 | Singer Mfg Co | Binder for sewing machines |
| US4298148A (en) * | 1979-03-16 | 1981-11-03 | Clover Mfg. Co., Ltd. | Hand device for making a bias tape |
| US4765172A (en) * | 1986-11-24 | 1988-08-23 | Sgt Folders Unlimited, Inc. | Method and tools for forming sewing machine binder strip folders |
| CN2306239Y (en) * | 1997-10-14 | 1999-02-03 | 于尊民 | Overedging mechanism for sewing machine |
| US20060009340A1 (en) * | 2004-07-12 | 2006-01-12 | William Park | Adjustable bias folder |
| CN201560303U (en) * | 2009-11-19 | 2010-08-25 | 安泰(德清)时装有限公司 | Edge covering mechanism for sewing machine |
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| Publication number | Publication date |
|---|---|
| CN101818418A (en) | 2010-09-01 |
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Effective date of registration: 20210304 Address after: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313009 Patentee after: Huzhou You Yan Intellectual Property Service Co.,Ltd. Address before: 313200 no.778 Linxi street, Wukang Town, Deqing County, Zhejiang Province Patentee before: ANTEX (DEQING) FASHION Co.,Ltd. |
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