CN207685490U - A kind of presser feet rising height regulating mechanism of sewing machine - Google Patents
A kind of presser feet rising height regulating mechanism of sewing machine Download PDFInfo
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- CN207685490U CN207685490U CN201721921634.6U CN201721921634U CN207685490U CN 207685490 U CN207685490 U CN 207685490U CN 201721921634 U CN201721921634 U CN 201721921634U CN 207685490 U CN207685490 U CN 207685490U
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- presser feet
- crank
- rising height
- sewing machine
- regulating mechanism
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Abstract
The utility model provides a kind of presser feet rising height regulating mechanism of sewing machine, belongs to sewing machine technique field.It is inconvenient that it solves the problems, such as that existing outer presser feet and interior presser feet rising height are adjusted.The presser feet rising height regulating mechanism of this sewing machine, crank is controlled including pressure foot lifting adjustment axis and the rotation being arranged in pressure foot lifting adjustment axis, the presser feet rising height regulating mechanism further includes having driver, the driver has the motion bar that can be stretched, and has the connection structure that rotation control crank rotation is driven when motion bar stretches between the motion bar and rotation control crank.This structure rotates certain angle by the flexible of the motion bar on driver to drive rotation to control crank, outer presser feet can be fast implemented and interior presser feet rising height increases or decreases, improve the working efficiency of sewing machine, to adapt to the sewing of different type fabric, and outer presser feet and interior presser feet rising height adjust enhanced convenience.
Description
Technical field
The utility model belongs to sewing machine technique field, is related to a kind of presser foot device of sewing machine, especially a kind of sewing
The presser feet rising height regulating mechanism of machine.
Background technology
There is feed mechanism, feed mechanism to have generally comprised outer presser feet and interior presser feet, outer presser feet and interior presser feet on sewing machine
It is moved up and down with substantially opposite phase, alternately pushes down the sewn object on needle plate, and outer presser feet and feeding tooth is made to coordinate
The conveying of sewn object is realized in action.Sewing machine is during actually sewing material, since material can be deposited in different positions
Outer presser feet and interior presser feet in difference in thickness, traditional feed mechanism are difficult to cross position thicker on material so that suture
Needle gage becomes smaller at the abrupt changes in thickness of material, influences the beauty of material sewing.
Currently, Chinese patent net discloses a kind of cloth feeding mechanism (Authorization Notice No. of sewing machine：CN203668637U), it
Including transmission shaft crank, curved boom connecting rod, swing seat, up and down motion adjustment axis, adjustment axis crank and work feed connecting rod, the adjustment axis
Crank is connected in one end of up and down motion adjustment axis, and one end of the work feed connecting rod is socketed on main shaft, the transmission shaft crank
It is connected in the end of transmission shaft, one end of the swing seat and adjustment axis crank be hinged, the other end and work feed connecting rod other end
Hinged, one end of the curved boom connecting rod is hinged on transmission shaft crank, the other end of the other end and work feed connecting rod is hinged, adjusts spiral shell
Nail is fixed in up and down motion adjustment axis, and equipped with an adjusting rod, one end of adjusting rod, which is stretched out casing and adjusted, marks for rotation on casing
Disk is fixedly connected with, and the other end of adjusting rod is located in casing and the cam part with plate, adjusting screw are resisted against the upper of cam part
Edge and adjust bidding quotation rotate counterclockwise when can lift adjusting screw drive up and down motion adjustment axis rotation.
Above-mentioned cloth feeding mechanism adjusts bidding quotation to adjust the rotational angle of adjustment axis crank by manual rotation, and then realizes and adjust
The height that outer presser feet and interior presser feet motion process lift is saved, to adapt to the sewing of different fabrics, but the structure adjusted manually makes
It obtains outer presser feet and interior presser feet rising height adjusts inconvenience, influence the working efficiency of sewing machine.
Invention content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of presser feet lift of sewing machine
Rise regulating mechanism, technical problem to be solved in the utility model are：How outer presser feet and interior presser feet rising height are realized
Quick adjusting.
The purpose of this utility model can be realized by following technical proposal：A kind of presser feet rising height adjusting of sewing machine
Mechanism, including pressure foot lifting adjustment axis control crank with the rotation being arranged in pressure foot lifting adjustment axis, which is characterized in that described
Presser feet rising height regulating mechanism further includes having driver, and the driver has the motion bar that can be stretched, the motion bar
There is the connection structure that rotation control crank rotation is driven when motion bar stretches between controlling crank with rotation.
This structure rotates certain angle by the flexible of the motion bar on driver to drive rotation to control crank, can
It fast implements outer presser feet and interior presser feet rising height increases or decreases, the working efficiency of sewing machine is improved, to adapt to different type
The sewing of fabric, and outer presser feet and interior presser feet rising height adjust enhanced convenience.
In a kind of presser feet rising height regulating mechanism of above-mentioned sewing machine, the connection structure includes being fixed on rotation
The connecting plate on crank is controlled, strip-shaped hole is offered on the connecting plate, the outer end of the motion bar is arranged across strip-shaped hole,
The outer end of the motion bar is fixed with limiting plate；It is socketed with reduction torsion spring in the pressure foot lifting adjustment axis.The structure is when work
When lever is to contract, limiting plate is resisted against connecting plate and connecting plate is driven to rotate down, so drive rotation control crank to
The certain angle of lower rotation, increases the rising height of outer presser feet and interior presser feet；When motion bar stretches out upwards, pressure foot lifting is adjusted
Axis rotates under the drive of reduction torsion spring, and rotation control crank is driven to be rotated up resets, the outer presser feet of reduction and interior presser feet
Rising height.Connection structure can also be that the outer end of motion bar and connecting plate are articulated and connected.
In a kind of presser feet rising height regulating mechanism of above-mentioned sewing machine, the presser feet rising height regulating mechanism is also
Include camshaft, the cam that is fixed on camshaft one end, the adjusting bidding quotation for being fixed on the camshaft other end and radially secure
Adjustable column on pressure foot lifting adjustment axis peripheral surface, the peripheral surface of the adjustable column and the peripheral surface of cam fit.The knot
Structure rotates manually adjusts bidding quotation band moving cam rotation, and cam rotation drives the rotation of pressure foot lifting adjustment axis so that rotation controls
Crank rotates down certain angle, increases the gap between connecting plate and limiting plate, when motion bar is shunk, outer presser feet and interior
The rising height of presser feet reduces.
In a kind of presser feet rising height regulating mechanism of above-mentioned sewing machine, the connecting plate include horizontal part and upwards
The rake of tilting, the horizontal part are fixed by screws on rotation control crank, and the strip-shaped hole is located on rake.It should
Structure makes motion bar is shunk to drive during connecting plate rotates down, and facilitates limiting plate along the inclined-plane of rake from strip-shaped hole
One end be moved to the other end of strip-shaped hole.
In a kind of presser feet rising height regulating mechanism of above-mentioned sewing machine, the driver is located under connecting plate
Side.For the structure in assembling process, driver is located at the inside of sewing machine case, does not influence the aesthetics of sewing machine shape.
In a kind of presser feet rising height regulating mechanism of above-mentioned sewing machine, the driver is cylinder or electromagnet.
In a kind of presser feet rising height regulating mechanism of above-mentioned sewing machine, the sewing machine further includes having connecting rod connection
Crank, rotation axis, pads swing axis, is socketed rotating crank on the rotating shaft and is socketed in presser feet pendulum rotation connection connecting rod
Connecting rod of eccentric wheel on moving axis, one end of the connecting rod connecting crank is hinged on connecting rod of eccentric wheel, the other end is hinged on rotation
It controls on crank, one end of the rotation connection connecting rod is hinged on connecting rod of eccentric wheel, and the other end is hinged on rotating crank.It should
Structure is after rotation control crank rotates down certain angle so that the motion amplitude for being rotatablely connected connecting rod increases, and reaches raising
The purpose of the rising height of outer presser feet and interior presser feet；Conversely, after rotation control crank is rotated up certain angle, outer presser feet is reduced
With the rising height of interior presser feet.
In a kind of presser feet rising height regulating mechanism of above-mentioned sewing machine, the sewing machine further includes having pendulum presser feet
Bar, compression bar, rotating bar, presser feet wobble crank, presser feet connecting crank, rack rod and compression bar holder, one end of the rotating bar
It is hinged on the rotating shaft, the other end be hinged on one end of presser feet connecting crank, one end of the presser feet wobble crank and presser feet connect
The middle part for connecing crank is hinged on the upper end of pendulum presser bar, and the compression bar holder is fixed on compression bar, and the one of the rack rod
End and compression bar holder be hinged, the other end of the other end and presser feet connecting crank is hinged.The lower end of pendulum presser bar is connected with outer presser feet,
The lower end of compression bar is connected with interior presser feet, which realizes that outer presser feet and interior presser feet alternately lift.
Compared with prior art, the presser feet rising height regulating mechanism of the utility model has the following advantages：Pass through driving
The flexible of motion bar on device rotates certain angle to drive rotation to control crank, can fast implement outer presser feet and interior presser feet
Rising height increases or decreases, and improves the working efficiency of sewing machine, to adapt to the sewing of different type fabric, and outer presser feet and
Interior presser feet rising height adjusts enhanced convenience.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model.
Fig. 2 is the dimensional structure diagram of another angle of the utility model.
In figure, 1, pressure foot lifting adjustment axis；2, rotation control crank；3, driver；30, motion bar；4, connecting plate；40、
Strip-shaped hole；41, horizontal part；42, rake；5, limiting plate；6, reduction torsion spring；7, camshaft；8, cam；9, bidding quotation is adjusted；10、
Adjustable column；11, connecting rod connecting crank；12, it is rotatablely connected connecting rod；13, rotation axis；14, pads swing axis；15, rotating crank；
16, connecting rod of eccentric wheel；17, presser bar is put；18, compression bar；19, rotating bar；20, presser feet wobble crank；21, presser feet connecting crank；
22, rack rod；23, compression bar holder.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, the sewing machine includes connecting rod connecting crank 11, rotation connection connecting rod 12, rotation axis
13, pads swing axis 14, the rotating crank 15 being socketed in rotation axis 13 and the eccentric wheel being socketed on pads swing axis 14
Connecting rod 16, one end of the connecting rod connecting crank 11 is hinged on connecting rod of eccentric wheel 16, the other end is hinged on rotation control crank 2
On, one end of the rotation connection connecting rod 12 is hinged on connecting rod of eccentric wheel 16, and the other end is hinged on rotating crank 15；It is described
Sewing machine further includes having pendulum presser bar 17, compression bar 18, rotating bar 19, presser feet wobble crank 20, presser feet connecting crank 21, holder to connect
Bar 22 and compression bar holder 23, one end of the rotating bar 19 is hinged in rotation axis 13, the other end is hinged on presser feet connecting crank
21 one end, one end of the presser feet wobble crank 20 and the middle part of presser feet connecting crank 21 are hinged on the upper of pendulum presser bar 17
End, the compression bar holder 23 is fixed on compression bar 18, one end of the rack rod 22 and compression bar holder 23 be hinged, the other end with
21 other ends of presser feet connecting crank are hinged.
Specifically, presser feet rising height regulating mechanism includes pressure foot lifting adjustment axis 1 and is arranged in pressure foot lifting adjustment axis 1
On rotation control crank 2, the presser feet rising height regulating mechanism further include have driver 3 and be fixed on rotation control crank
Connecting plate 4 on 2, the driver 3 have the motion bar 30 that can stretch, and the driver 3 is cylinder or electromagnet, described
Driver 3 is located at the lower section of connecting plate 4；Strip-shaped hole 40 is offered on the connecting plate 4, the connecting plate 4 includes horizontal part 41
With the rake 42 being upturned, the horizontal part 41 is fixed by screws on rotation control crank 2, the strip-shaped hole 40
In on rake 42, the outer end of the motion bar 30 is arranged across strip-shaped hole 40, and the outer end of the motion bar 30 is fixed with
Limiting plate 5 is socketed with reduction torsion spring 6 in the pressure foot lifting adjustment axis 1.The driver 3 of the present embodiment realized using cylinder,
When motion bar 30 is to contract, limiting plate 5 is resisted against connecting plate 4 and connecting plate 4 is driven to rotate down, and then drives rotation control
Koji-making handle 2 rotates down certain angle, increases the rising height of outer presser feet and interior presser feet；When motion bar 30 is stretched upwards, pressure
Foot promotes adjustment axis 1 and is rotated under the drive of reduction torsion spring 6, and rotation control crank 2 is driven to be rotated up reset, reduces external pressure
The rising height of foot and interior presser feet.
Further, presser feet rising height regulating mechanism further includes the cam for having camshaft 7, being fixed on 7 one end of camshaft
8, the adjustable column for being fixed on the adjusting bidding quotation 9 of 7 other end of camshaft and being radially fixed on 1 peripheral surface of pressure foot lifting adjustment axis
10, the peripheral surface of the peripheral surface and cam 8 of the adjustable column 10 fits.Rotation adjusts 98 turns of moving cam of band of bidding quotation manually
Dynamic, the rotation of cam 8 drives pressure foot lifting adjustment axis 1 to rotate so that rotation control crank 2 rotates down certain angle, increases
Gap between connecting plate 4 and limiting plate 5, when motion bar 30 is shunk, the rising height of outer presser feet and interior presser feet reduces, and realizes
The size of presser feet rising height is adjustable.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although pressure foot lifting adjustment axis 1 is used more herein, rotation control crank 2, driver 3, motion bar 30, connects
Fishplate bar 4, horizontal part 41, rake 42, limiting plate 5, reduction torsion spring 6, camshaft 7, cam 8, adjusts bidding quotation 9, adjusts strip-shaped hole 40
Segmented column 10, connecting rod connecting crank 11, rotation connection connecting rod 12, rotation axis 13, pads swing axis 14, rotating crank 15, eccentric wheel
Connecting rod 16, pendulum presser bar 17, compression bar 18, rotating bar 19, presser feet wobble crank 20, presser feet connecting crank 21, rack rod 22, pressure
The terms such as bar holder 23, but it does not preclude the possibility of using other terms.The use of these items is only for more easily
Describe and explain the essence of the utility model；It is construed as any one of the additional limitations all and is and the spirit of the present invention
It disagrees.
Claims (8)
1. a kind of presser feet rising height regulating mechanism of sewing machine, including pressure foot lifting adjustment axis (1) and setting are in pressure foot lifting
Rotation control crank (2) in adjustment axis (1), which is characterized in that the presser feet rising height regulating mechanism further includes having driving
Device (3), the driver (3) have the motion bar (30) that can stretch, the motion bar (30) and rotation control crank (2) it
Between there is the connection structure that rotation control crank (2) rotation is driven when motion bar (30) are flexible.
2. a kind of presser feet rising height regulating mechanism of sewing machine according to claim 1, which is characterized in that the connection
Structure includes the connecting plate (4) being fixed on rotation control crank (2), and strip-shaped hole (40), institute are offered on the connecting plate (4)
The outer end for stating motion bar (30) is arranged across strip-shaped hole (40), and the outer end of the motion bar (30) is fixed with limiting plate (5)；
It is socketed with reduction torsion spring (6) on the pressure foot lifting adjustment axis (1).
3. a kind of presser feet rising height regulating mechanism of sewing machine according to claim 2, which is characterized in that the presser feet
Rising height regulating mechanism further includes having camshaft (7), the cam (8) for being fixed on camshaft (7) one end, being fixed on camshaft
(7) the adjusting bidding quotation (9) of the other end and the adjustable column (10) being radially fixed on pressure foot lifting adjustment axis (1) peripheral surface, institute
The peripheral surface for stating the peripheral surface and cam (8) of adjustable column (10) fits.
4. a kind of presser feet rising height regulating mechanism of sewing machine according to claim 2, which is characterized in that the connection
Plate (4) includes horizontal part (41) and the rake (42) being upturned, and the horizontal part (41) is fixed by screws in rotation control
On koji-making handle (2), the strip-shaped hole (40) is located on rake (42).
5. a kind of presser feet rising height regulating mechanism of sewing machine according to Claims 2 or 3 or 4, which is characterized in that institute
State the lower section that driver (3) is located at connecting plate (4).
6. according to a kind of presser feet rising height regulating mechanism of sewing machine of claim 1-4 any one of them, which is characterized in that
The driver (3) is cylinder or electromagnet.
7. according to a kind of presser feet rising height regulating mechanism of sewing machine of claim 1-4 any one of them, which is characterized in that
The sewing machine further includes having connecting rod connecting crank (11), rotation connection connecting rod (12), rotation axis (13), pads swing axis
(14), the rotating crank (15) being socketed in rotation axis (13) and the connecting rod of eccentric wheel being socketed on pads swing axis (14)
(16), it is bent that one end of the connecting rod connecting crank (11) is hinged on connecting rod of eccentric wheel (16), the other end is hinged on rotation control
On handle (2), one end of the rotation connection connecting rod (12) is hinged on connecting rod of eccentric wheel (16), and the other end is hinged on rotating crank
(15) on.
8. a kind of presser feet rising height regulating mechanism of sewing machine according to claim 7, which is characterized in that the sewing
Machine further include have pendulum presser bar (17), compression bar (18), rotating bar (19), presser feet wobble crank (20), presser feet connecting crank (21),
Rack rod (22) and compression bar holder (23), one end of the rotating bar (19) is hinged in rotation axis (13), the other end is hinged
One end in presser feet connecting crank (21), one end of the presser feet wobble crank (20) and the middle part of presser feet connecting crank (21) are equal
It is hinged on the upper end of pendulum presser bar (17), the compression bar holder (23) is fixed on compression bar (18), the rack rod (22)
One end is hinged with compression bar holder (23), the other end and presser feet connecting crank (21) other end are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921634.6U CN207685490U (en) | 2017-12-29 | 2017-12-29 | A kind of presser feet rising height regulating mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921634.6U CN207685490U (en) | 2017-12-29 | 2017-12-29 | A kind of presser feet rising height regulating mechanism of sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN207685490U true CN207685490U (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721921634.6U Active CN207685490U (en) | 2017-12-29 | 2017-12-29 | A kind of presser feet rising height regulating mechanism of sewing machine |
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| CN (1) | CN207685490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023738A (en) * | 2018-10-30 | 2018-12-18 | 杰克缝纫机股份有限公司 | For adjusting the device and its control method of presser feet alternately amount on a kind of sewing machine |
-
2017
- 2017-12-29 CN CN201721921634.6U patent/CN207685490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023738A (en) * | 2018-10-30 | 2018-12-18 | 杰克缝纫机股份有限公司 | For adjusting the device and its control method of presser feet alternately amount on a kind of sewing machine |
| CN109023738B (en) * | 2018-10-30 | 2021-08-06 | 杰克缝纫机股份有限公司 | Device for adjusting presser foot alternating quantity on sewing machine and control method thereof |
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