CN101144228B - Presser foot for sewing machine - Google Patents
Presser foot for sewing machine Download PDFInfo
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- CN101144228B CN101144228B CN200710156203XA CN200710156203A CN101144228B CN 101144228 B CN101144228 B CN 101144228B CN 200710156203X A CN200710156203X A CN 200710156203XA CN 200710156203 A CN200710156203 A CN 200710156203A CN 101144228 B CN101144228 B CN 101144228B
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- driving lever
- pad body
- cam
- connecting rod
- linkage
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Abstract
The present invention provides a presser foot of a sewing machine, and belongs to the mechanical technology field. The present invention solves the problems that the structure of the presser foot of the prior sewing machine is complicated, the working reliability under the condition of major pole quantity is bad, the adjustment is difficult, and the cost is high. The presser foot of the sewing machine comprises a presser foot body and a driving device arranged in the casing body of the sewing machine and connected with the presser foot, the presser foot body is divided into an independent presser foot body 1 and an independent presser foot body 2, the driving device is a rotatable cam, a connecting link mechanism 1 is arranged between the cam and the presser foot body 1, a connecting link mechanism 2 is arranged between the cam and the presser foot body 2, and the rotation of the cam can drive the presser foot body 1 and the presser foot body 2 to be moved up and down in a staggered way through the connecting link mechanism 1 and the connecting link mechanism 2. The work of the presser foot of the sewing machine is stable, and the structure is simple.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the presser feet of a kind of Sewing machines, particularly a kind of Sewing machines.
Background technology
Presser feet generally all is housed on Sewing machines, and when shank moved up and down, presser feet carried out intermittence and moves up and down and can prevent that suture needle from upwards taking up machining cloth.
Existing presser feet is the bearing that is fixed on the framework of Sewing machines, and supporting member moving up and down on supporting member, is supporting to have double-fork part and circular-arc oscillating cam through supporting pin rotationally.Double-fork part engages with the pin of shank with affixed.Circular-arc cam and the cam follower butt that rotatably is supported at depression bar.Adopt above-mentioned structure, when shank moved up and down in prescribed limit, depression bar synchronously carried out intermittence with moving up and down of specified action stroke and said shank and moves up and down through circular-arc cam and cam follower.
And all be to adopt single presser feet to push down machining cloth to float, move not steady.Simultaneously, the initial position of existing presser feet is to rely on linkage to regulate in adjusting, complex structure, and poor work stability under the more situation of bar number regulate difficulty, and cost is higher.
Summary of the invention
The objective of the invention is to have above-mentioned shortcoming, a kind of stable working is provided, the presser feet of Sewing machines simple in structure to the presser feet of existing sewing machine.
The object of the invention can be realized through following technical proposal: a kind of presser feet of Sewing machines; Comprise pad body and be arranged on the drive unit that the Sewing machines housing is interior and be connected with pad body; It is characterized in that; Described pad body is two independently pad bodies one and pad body two, and described drive unit is rotating cam, is provided with linkage one between cam and the pad body one; Be provided with linkage two between cam and the pad body two, and the rotation of cam can move up and down alternately through linkage one and linkage two drive pad bodies one with pad body two.
The presser feet of this Sewing machines can be pushed down machining cloth machining cloth can not be floated when sewing.Pad body is to directly act on machining cloth, and 2 two of pad body one and pad bodies are arranged, and under the effect of drive unit, pad body one and pad body two can interlock moves up and down and be carved with a pad body when guaranteeing and act on the machining cloth.Move up and down for what realize that pad body one and pad body two can interlock; Linkage one drives through a cam with linkage two and linkage one is both sides that are arranged on cam of symmetry with linkage two; Like this; A pad body is elevated, and another pad body can be pressed on the cloth.
In the presser feet of above-mentioned Sewing machines; Described linkage one comprises the connecting rod one of L-shaped driving lever one and strip; Driving lever one is hinged on the housing; Side contacts on one end of driving lever one and the cam, the other end of driving lever one and connecting rod one are hinged, and the other end of connecting rod one is connected with above-mentioned pad body one.After driving lever one is hinged on the housing; Can rotate around its hinged place, connecting rod one is hinged on an end of driving lever one, and the other end of connecting rod one is connected with above-mentioned pad body one; Therefore connecting rod one is vertically disposed; Rotating cam, driving lever one can be swung under action of cam, and the connecting rod one that is connected with driving lever one will move up and down and drive pad body one and move up and down.
In the presser feet of above-mentioned Sewing machines; Described linkage two comprises the connecting rod two of L-shaped driving lever two and strip; Driving lever two is hinged on the housing; Side contacts under one end of driving lever two and the cam, the other end of driving lever two and connecting rod two are hinged, and the other end of connecting rod two is connected with above-mentioned pad body two.The structure of linkage two is identical with the structure of linkage one, and because an end of driving lever two is and the downside of cam is conflicted, therefore, pad body two just staggers mobile with pad body one.
In the presser feet of above-mentioned Sewing machines; Described driving lever one is hinged in the housing through connecting axle; And between connecting axle and driving lever one, be provided with the adjusting device that to adjust driving lever one initial position; Described driving lever two is hinged in the housing through another connecting axle, and between this connecting axle and driving lever two, is provided with the adjusting device that can adjust driving lever two initial positions.After adjusting device is set, can regulate pad body one and pad body two height of initial position separately respectively according to the needs of reality.
In the presser feet of above-mentioned Sewing machines, described adjusting device is the adjustment disk that is connected in the connecting axle outer end, and the adjustment cam that is connected in connecting axle, and an above-mentioned driving lever one or an end of driving lever two are enclosed within the adjustment cam place of connecting axle.Rotate adjustment disk and just can drive the adjustment cam rotation, driving lever one is connected on the adjustment cam, and after rotating adjustment cam, the position of driving lever one is to change to some extent, makes the Level Change of pad body one, thereby realizes the function that pad body one is regulated.The adjusting of pad body two is identical with the adjusting device of pad body one.
In the presser feet of above-mentioned Sewing machines, have the bar hole that is circular-arc on the described adjustment disk, and be provided with backstay at this bar hole place, the outer end of backstay can be resisted against on the adjustment disk, and its inner can be connected on the housing.Adjustment disk need be fixed after regulating, to prevent that other reasons makes adjustment disk move because of shaking perhaps.Adjustment disk is fixed in outer end through backstay, and the inner of backstay is to pass adjustment disk and housing is connected.
In the presser feet of above-mentioned Sewing machines, be equipped with the guiding mechanism that connecting rod one or connecting rod two are vertically moved up and down between described linkage one and linkage two and the housing.Pad body need vertically move up and down, and depressing that a guide frame can guarantee that pad body one or pad body two can be vertical is set.
In the presser feet of above-mentioned Sewing machines; Described guide frame comprises the fixed head that is connected on connecting rod one or the connecting rod two; Parallelly on fixed head be provided with some raised lines, in housing, be provided with and the corresponding some grooves of raised line, and raised line be inlaid in groove.
In the presser feet of above-mentioned Sewing machines, be fixed with an adjusting knob of processing by elastomeric material on the outside of described adjustment disk.Make the rotation adjustment disk become convenient through adjusting knob.
Compared with prior art, the presser feet of this Sewing machines has following advantage:
1, this Sewing machines adopts two presser feets and drives moving of two presser feets replacing up and down through drive unit, and guaranteeing to have at least a presser feet is to be pressed on the cloth, and the cloth fold that can not squint when making sewing increases the stationarity of work.
2, adopt adjusting device to regulate the height of pad body, pad body can be adjusted according to the needs of reality, make that the Sewing machines machine applicability of this presser feet of ruling is wider.Simultaneously, only need to rotate adjustment disk in the adjustment process and get final product, therefore, regulate also easier.
Description of drawings
Fig. 1 is the perspective view of the presser feet of this Sewing machines.
Fig. 2 is the structural representation of drive unit in the presser feet of this Sewing machines.
Fig. 3 is the structural representation of adjusting device in the presser feet of this Sewing machines.
Among the figure, pad body 1; Pad body one 1a; Pad body two 1b; Housing 2; Cam 3; Driving lever 1; Connecting rod 1; Driving lever 26; Connecting rod 27; Fixed head 8; Raised line 9; Groove 10; Connecting axle 11; Adjustment disk 12; Bar hole 12a; Adjustment cam 13; Cam body 13a; Connector 13b; Adjusting knob 14; Screw 15; Backstay 16.
The specific embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
Like Fig. 1, Fig. 2 and shown in Figure 3; The presser feet of this Sewing machines; Can machining cloth the time be pushed down in sewing machining cloth can not be floated, comprise pad body 1, pad body 1 is two independently pad body one 1a and pad body two 1b; Be used to drive the drive unit of pad body one 1a and pad body two 1b and pad body 1 played the guide frame of guide effect.
Specifically; Drive unit is arranged in the Sewing machines housing 2; Comprise rotating cam 3, be provided with linkage one between cam 3 and pad body one 1a, be provided with linkage two between cam 3 and pad body two 1b; Rotating cam 3 is connected the linkage one on the cam 3 and linkage two rewinds moving pad body one 1a and pad body two 1b move up and down alternately.Linkage one in this example comprises the connecting rod 1 of L-shaped driving lever 1 and strip, and the middle part of driving lever 1 is hinged on the housing 2, and the one of which end contacts with cam 3 first halves, and the other end and connecting rod 1 are hinged, and the other end of connecting rod 1 is connected with pad body one 1a.Linkage two also has the structure identical with linkage one; Linkage two comprises the connecting rod 27 of L-shaped driving lever 26 and strip; Driving lever 26 is hinged on the housing 2; The one of which end contacts with cam 3 Lower Halves, and the other end and connecting rod 27 are hinged, and the other end of connecting rod 27 is connected with pad body two 1b.
Driving lever 1 can rotate around pin joint with driving lever 26; Because pad body 1 is vertical up-or-down movement; Therefore to be vertically disposed with connecting rod 27 with connecting rod 1, rotating cam, driving lever 1 can swing under the effect of cam 3 with driving lever 26; The inconsistent position of driving lever 1 and driving lever 26 and cam 3 is different, drives pad body one 1a and pad body two 1b move up and down but just both stagger mobile.
In order to ensure pad body one 1a or pad body two 1b can be vertical depress.Be equipped with the guide frame that connecting rod one or connecting rod two are vertically moved up and down between linkage one and linkage two and the housing, pad body one 1a and pad body two 1b correspondingly are connected on the guide frame.Specifically, guide frame comprises the fixed head 8 that is connected on the connecting rod 1, parallelly on fixed head 8 is provided with two raised lines 9, in housing 2, be provided with and raised line 9 corresponding two grooves 10, and raised line 9 is inlaid in groove 10 places.The channeling direction of guide frame is a vertical direction, and raised line 9 all is vertical setting with groove 10.
In the use of reality, often need carry out height and regulate, therefore pad body 1; In this example; Be hinged in the housing 2 through connecting axle 11 at driving lever 1, and between connecting axle 11 and driving lever 1, be provided with adjusting device, likewise; Driving lever 26 is hinged in the housing 2 through another connecting axle 11, and between this connecting axle 11 and driving lever 26, also is provided with adjusting device.This adjusting device is the adjustment disk 12 that is connected in connecting axle 11 outer ends, and this adjustment disk 12 is semicircle shape, has circular-arc bar hole 12a at mid portion; On connecting axle 11, be fixed with adjustment cam 13; Adjustment cam 13 is cylindric, and it is enclosed within on the connecting axle 11, and an end is provided with cam body 13a; The other end is useful on the connector 13b of connection; On the outside of adjustment disk 12, be fixed with 14, two screws 15 of adjusting knob of processing by elastomeric material and axially pass adjusting knob 14 and be fixedly connected with the connector 13b of adjustment cam 13, rotate adjusting knob 14 like this and just can drive adjustment cam 13 rotations with adjustment disk 12.After regulating, need fix adjustment disk 12 to prevent that other reasons moves adjustment disk 12 because of shaking perhaps; Here adopt a backstay 16 that is fixed on the housing 2, backstay 16 is arranged on the bar hole 12a place of adjustment disk 12, and the outer end of backstay 16 can be resisted against on the adjustment disk 12; Its inner is fixed on the housing 2; The outer end of backstay 16 is a screw 15, and it passes bar hole 12a and is screwed on the backstay 16, relies on backstay 16 to clamp adjustment disk 12 fixing with screw 15.Driving lever 1 is enclosed within adjustment cam 13 places of connecting axle 11, and driving lever 26 is enclosed within another adjustment cam 13 places of connecting axle 11.Rotate adjustment disk 12 and drive adjustment cam 13 rotations; The adjusting lifting arm 17 promotion driving levers 1 or the driving lever 26 that are enclosed within on the adjustment cam 13 change with cam 3 contacted positions to some extent; Promote connecting rod 1 or connecting rod 27 simultaneously; The height of pad body one 1a or pad body two 1b is changed to some extent, thereby realize the function of adjusting.
The pad body of this Sewing machines is to directly act on machining cloth; Two of pad body one 1a and pad body 1b are arranged; Under the effect of drive unit, pad body one 1a and pad body two 1b can interlock moves up and down and is carved with a pad body 1 when guaranteeing and acts on the machining cloth.Rotating cam 3; The linkage that is connected with cam 3 one moves up and down with connecting rod 27 with linkage two connecting rods 1, and with being connected one 5 guide frames that are connected with connecting rod 27 pad body is played guide effect, like this; Pad body one 1a and pad body two 1b can move up and down; Because linkage one is different at the link position of cam 3 with linkage two, therefore a pad body 1 is elevated, and another pad body 1 just is pressed on the cloth.
When needing the height of adjusting pad body 1, only need rotate adjusting knob 14 and drive adjustment cam 13 rotations, be connected with driving lever because adjusting lifting arm 17 1 ends are enclosed within adjustment cam 13 other ends, so adjustment cam 13 can drive driving lever 1 or driving lever 26 moves.Thereby realize adjustment.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used pad body 1 morely; Pad body one 1a; Pad body two 1b; Housing 2; Cam 3; Driving lever 1; Connecting rod 1; Driving lever 26; Connecting rod 27; Fixed head 8; Raised line 9; Groove 10; Connecting axle 11; Adjustment disk 12; Bar hole 12a; Adjustment cam 13; Cam body 13a; Connector 13b; Adjusting knob 14; Screw 15; Backstay 16 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (6)
1. the presser feet of a Sewing machines; Comprise pad body (1) and be arranged on the drive unit that Sewing machines housing (2) is interior and be connected with pad body (1), it is characterized in that described pad body (1) is two independently pad body one (1a) and pad bodies two (1b); Described drive unit is rotating cam (3); Be provided with linkage one between cam (3) and the pad body one (1a), be provided with linkage two between cam (3) and the pad body two (1b), and the rotation of cam (3) can move up and down through linkage one and linkage two drive pad bodies one (1a) and pad body two (1b) alternately; Described linkage one comprises the connecting rod one (5) of L-shaped driving lever one (4) and strip; Driving lever one (4) is hinged on the housing (2), and an end of driving lever one (4) and cam (3) are gone up side contacts, and the other end of driving lever one (4) and connecting rod one (5) are hinged; The other end of connecting rod one (5) is connected with above-mentioned pad body one (1a); Described linkage two comprises the connecting rod two (7) of L shaped driving lever two (6) and strip, and driving lever two (6) is hinged on the housing (2), and an end of driving lever two (6) and cam (3) be side contacts down; The other end of driving lever two (6) and connecting rod two (7) are hinged; The other end of connecting rod two (7) is connected with above-mentioned pad body two (1b), and described driving lever one (4) is hinged in the housing (2) through connecting axle (11), and between connecting axle (11) and driving lever one (4), is provided with the adjusting device that can adjust driving lever one (4) initial position; Described driving lever two (6) is hinged in the housing (2) through another connecting axle (11), and between this connecting axle (11) and driving lever two (6), is provided with the adjusting device that can adjust driving lever two (6) initial positions.
2. the presser feet of Sewing machines according to claim 1; It is characterized in that; Described adjusting device is for being connected in the adjustment disk (12) of connecting axle (11) outer end; And the adjustment cam (13) that is connected in connecting axle (11), an above-mentioned driving lever one (4) or an end of driving lever two (6) are enclosed within the adjustment cam (13) of connecting axle (11) and locate.
3. the presser feet of Sewing machines according to claim 2; It is characterized in that; Has the bar hole (12a) that is circular-arc on the described adjustment disk (12); And locate to be provided with backstay (16) at this bar hole (12a), the outer end of backstay (16) can be resisted against on the adjustment disk (12), and its inner can be connected on the housing (2).
4. the presser feet of Sewing machines according to claim 1 is characterized in that, is equipped with the guiding mechanism that connecting rod one (5) or connecting rod two (7) are vertically moved up and down between described linkage one and linkage two and the housing (2).
5. the presser feet of Sewing machines according to claim 4; It is characterized in that; Described guiding mechanism comprises the fixed head (8) that is connected on connecting rod one (5) or the connecting rod two (7); Go up the parallel some raised lines (9) that are provided with at fixed head (8), in housing (2), be provided with and the corresponding some grooves of raised line (9) (10), and raised line (9) is inlaid in groove (10) and locates.
6. according to the presser feet of claim 2 or 3 described Sewing machiness, it is characterized in that, be fixed with an adjusting knob of processing by elastomeric material (14) on the outside of described adjustment disk (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710156203XA CN101144228B (en) | 2007-09-29 | 2007-09-29 | Presser foot for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710156203XA CN101144228B (en) | 2007-09-29 | 2007-09-29 | Presser foot for sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101144228A CN101144228A (en) | 2008-03-19 |
| CN101144228B true CN101144228B (en) | 2012-03-14 |
Family
ID=39206948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710156203XA Expired - Fee Related CN101144228B (en) | 2007-09-29 | 2007-09-29 | Presser foot for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101144228B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1418679A (en) * | 1971-12-22 | 1975-12-24 | Cash Machine Co James | Multi-needle sewing machines |
| CN2830446Y (en) * | 2005-10-25 | 2006-10-25 | 浙江宝石缝纫机股份有限公司 | Needle foot alternative roller guiderail for double-needle integrated feeding flat seamer |
| CN201109837Y (en) * | 2007-09-29 | 2008-09-03 | 中捷缝纫机股份有限公司 | Presser foot of sewing machine |
-
2007
- 2007-09-29 CN CN200710156203XA patent/CN101144228B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1418679A (en) * | 1971-12-22 | 1975-12-24 | Cash Machine Co James | Multi-needle sewing machines |
| CN2830446Y (en) * | 2005-10-25 | 2006-10-25 | 浙江宝石缝纫机股份有限公司 | Needle foot alternative roller guiderail for double-needle integrated feeding flat seamer |
| CN201109837Y (en) * | 2007-09-29 | 2008-09-03 | 中捷缝纫机股份有限公司 | Presser foot of sewing machine |
Non-Patent Citations (3)
| Title |
|---|
| JP平1-168274U 1999.11.27 |
| JP特开2006-280764A 2006.10.19 |
| JP特开平7-163772A 1995.06.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101144228A (en) | 2008-03-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ZOJE SEWING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONGJIE SEWING MACHINE CO., LTD. Effective date: 20140928 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140928 Address after: 317604 Yuhuan County barley island Subdistrict Office, Zhejiang, Taizhou Patentee after: Zhejiang Zoje Sewing Technology Co., Ltd. Address before: 317604 barley island development zone, Pearl River town, Zhejiang, Yuhuan County Patentee before: Zhongjie Sewing Machine Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20170929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |