CN107400997B - A kind of sewing-machine foot device - Google Patents
A kind of sewing-machine foot device Download PDFInfo
- Publication number
- CN107400997B CN107400997B CN201710687234.1A CN201710687234A CN107400997B CN 107400997 B CN107400997 B CN 107400997B CN 201710687234 A CN201710687234 A CN 201710687234A CN 107400997 B CN107400997 B CN 107400997B
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- China
- Prior art keywords
- sewing
- base
- column
- presser feet
- shape connector
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
Abstract
The present invention relates to a kind of sewing-machine foot devices, the sewing-machine foot device includes the presser feet column for being rotatably arranged on the base upper end of sewing machine, the presser feet column is located at ipsilateral with sewing machine sewing portion, and it is arranged far from operator, the driving mechanism for driving the presser feet column and the sewing portion to rotate synchronously is additionally provided at the top of the base, the surface and base surface of the presser feet column are in tangent setting.The present invention is when in use, the cloth that sewing is completed is extruded between presser feet column and base top, to limit the moving direction for the cloth that sewing is completed, the cloth that sewing is completed is avoided and falls off from sewing machine seating face, the case where driving the cloth rotation for needing to sew, influencing sewing efficiency.
Description
Technical field
The present invention relates to a kind of sewing device, in particular to a kind of sewing-machine foot device.
Background technique
Sewing machine is a kind of machine that one or more layers sewing is united by a seam using sewing thread.
Application No. is 200910096929.8 patents of invention to provide a kind of bent two-needle sewing machine, double by setting
The needle hyte part of needle realizes the sewing of three-dimensional stripe.But the technical solution is when being sewed, the cloth for completion of having sewed
It takes and to be placed on sewing platform, fall off when cloth gradually increases from sewing edge of table, the cloth to fall off drives sewing needle position
Cloth deflection, and then influence subsequent sewing efficiency.
Summary of the invention
It, can be to avoid the cloth that sewing is completed from sewing machine the object of the present invention is to provide a kind of sewing-machine foot device
The case where seating face falls off, and drives the cloth rotation for needing to sew, and then influences sewing efficiency.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of sewing-machine foot device, the sewing-machine foot device include the base upper end for being rotatably arranged on sewing machine
Presser feet column, the presser feet column and sewing machine sewing portion are located at ipsilateral, and are arranged far from operator, at the top of the base also
Equipped with the driving mechanism for driving the presser feet column and sewing portion to rotate synchronously, surface and the base surface of the presser feet column are in phase
Cut setting.
By using above-mentioned technical proposal, staff sews a small amount of cloth first when carrying out sewing work, then will
The cloth that sewing is completed folds up between at the top of presser feet column and base, and driving mechanism and sewing portion work at the same time when sewing, drives
Mechanism drives the rotation of presser feet column, so that the cloth for driving sewing to complete is mobile to the direction far from base.Due to depositing for presser feet column
, the cloth for completion of sewing is compressed in first between presser feet column and base top, thus limit the cloth of sewing completion
Moving direction, and then avoid the cloth that sewing is completed and fall off from sewing machine seating face, drive the cloth rotation for needing to sew, shadow
The case where ringing sewing efficiency.
Further, the rotated down in the base, positioned at the presser feet column be equipped with driven column, the driven column with
The presser feet column is tangent, and the presser feet column and the driven column surface are circumferentially serrated structure.
By using above-mentioned technical proposal, driven column is set below presser feet column, cloth fold up presser feet column and driven column it
Between, presser feet column, which rotates, drives cloth mobile, and cloth is further driven to driven column rotation, thus when reducing cloth movement and base top
Frictional force between portion, moves cloth preferably；Presser feet column and driven column surface are circumferentially serrated structure, this
Sample can increase the frictional force between presser feet column and driven column and cloth, and presser feet column and driven column is enable preferably to drive cloth
It is mobile.
Further, driving portion includes the central rotating shaft connecting with the sewing portion, and the driving mechanism includes being located at institute
The belt pulley at the top of base, close to described driving portion one end is stated, the belt pulley is connect with the central rotating shaft by belt, institute
It states belt pulley and the presser feet column and passes through connection bar assembly connection.
By using above-mentioned technical proposal, the central rotating shaft of the driving portion of sewing machine is rotated, and then drives sewing machine work,
The pulley rotation that drive and central rotating shaft are connected by belt simultaneously, belt pulley further pass through connection bar assembly and drive presser feet
Column rotation, to realize the synchronous rotation in sewing portion Yu presser feet column, and then the cloth that sewing can be made to complete passes through presser feet
Column is mobile to the direction far from sewing portion.
Further, the connecting rod includes the first connecting rod connecting with the belt pulley and connect with the presser feet column
Second connection bar assembly, the first connecting rod with described second connect bar assembly pass through gear control synchronous rotation.
By using above-mentioned technical proposal, belt pulley is driven in order to which belt can be passed through when guaranteeing central rotating shaft rotation
Rotation, therefore there are gaps between belt pulley and base top；And with second connect bar assembly connection presser feet column in order to
Squeezed tight cloth is bonded at the top of presser feet column and base, the first connecting rod that connect in this way with belt pulley and is connect with presser feet column
The second connection bar assembly there is difference in height in the vertical direction, cannot achieve and rotate coaxially, and in first connecting rod and second
It is arranged gear respectively in connection bar assembly, can realize first connecting rod and the second connecting rod by two gear intermeshings
The synchronous rotation of component, so that belt pulley can make the second connection bar assembly that presser feet column be driven to turn when driving first connecting rod rotation
It is dynamic.
Further, the second connection bar assembly includes close to the flexible jointing-rod of described gear one end and close to described
The rigid connecting rod of presser feet column one end, the flexible jointing-rod are connect with the rigid connecting rod by universal joint.
By using above-mentioned technical proposal, need to slightly lift on presser feet column when cloth to be placed below presser feet column,
By setting flexible jointing-rod for the one end connecting with gear, and flexible jointing-rod is connected by universal joint and rigid connecting rod
It connects, presser feet column thus may be implemented, rigid connecting rod is driven to lift with respect to base, and be set in the tooth on the outside of flexible jointing-rod
The position of wheel does not change, and then guarantees that driving mechanism being capable of normal driving.
Further, vertical base is equipped with support rod at the top of the base, and the support rod is located at the rigid connection
The side of bar is rotatably connected to Ji shape connector, the vertical bar of the Ji shape connector close to one end of base in the support rod
It is rotatablely connected with the support rod by shaft, the rigid connecting rod axially penetrates through the cross bar of the Ji shape connector, and phase
To the cross bar rotate, at the top of the base be equipped with for by the Ji shape connector to far from the base direction lift
Lift component.
By using above-mentioned technical proposal, rigid connecting rod passes through the cross bar of Ji shape connector, and being capable of opposing rail turn
Dynamic, Ji shape connector and support rod are rotatablely connected, and are in this way lifted Ji shape connector to far from base direction by lifting component
Ji shape connector can just rotated relative to support rod, to lift presser feet column by rigid connecting rod, and then facilitates work
Cloth is placed under presser feet column by personnel, then release lifting component lifting effect, Ji shape connector under the effect of gravity to
Base direction rotation, so that cloth is extruded at the top of base by presser feet column.
Further, the lifting component includes group positioned at the Ji shape connector side and base rotation connection
Bar, the driving lever are equipped with shifting block close to one end of the base, and the shifting block and base are rotatablely connected, be equipped in the base with
The clockwork spring of the shifting block connection, the Ji shape connector are equipped with close to the side of the shifting block and abut column, and the shifting block leans on
The nearly side for abutting column is equipped with arc convex portion, and the arc convex portion is for pushing the abutting column.
It by using above-mentioned technical proposal, stirs driving lever and drives shifting block rotation, arc convex portion, which squeezes, abuts column, abuts column
Ji shape connector is driven to rotate to far from base direction, so that abutting column be stuck in the top in arc convex portion, and then Ji shape connects
Fitting lifts rigid connecting rod, and presser feet column is lifted, and facilitates staff that cloth is placed under presser feet column, then to negative side
To driving lever is stirred, abut column and be detached from arc convex portion, Ji shape connector is rotated to base direction under the effect of gravity, presser feet column with
Fitting at the top of base；Clockwork spring has driving lever to far from the trend for abutting the rotation of column direction, makes staff to opposite direction
It is easier to operate to when stirring driving lever.
Further, it is additionally provided at the top of the base for pressing the Ji shape connector to the base direction
Press component.
By using above-mentioned technical proposal, press component can make Ji shape connector keep becoming to what base direction pressed
Gesture so as to so that cloth is preferably extruded at the top of base by presser feet column, and then guarantees to be able to drive cloth when the rotation of presser feet column
Movement.
Further, the support rod is connected with support arm far from one end of base, and the support arm is towards heading
Setting, the press component includes the elastic component being arranged between the cross bar and the support arm of the Ji shape connector, described
Elastic component is in compressive state.
By using above-mentioned technical proposal, elastic component is connected between the cross bar and support arm of Ji shape connector, and bullet
Property part be in compressive state, can thus exert a force to Ji shape connector, by its to base direction press, make Ji shape connector more
Well be bonded at the top of base, and since elastic component can compress, thus will not influence lift component by Ji shape connector to
It is lifted far from base direction.
Further, the support arm is equipped with stud, the stud vertically support close to one end of the elastic component
Arm is arranged to base direction, and the stud is externally provided with nut engaged therewith, described elastic component one end and the Ji shape connector
Cross bar connection, the other end is set in that the stud is outer to abut with the nut.
By using above-mentioned technical proposal, elastic component one end is connect with the cross bar of Ji shape connector, and the other end is set in spiral shell
Column is outer to abut with nut, can adjust the length of elastic component with respect to the position of stud by adjusting nut in this way, and then adjust
Elastic component is applied to the intensity of the pressure of Ji shape connector, so that presser feet column be enable preferably to squeeze cloth, cloth is driven to move
It is dynamic.
In conclusion the invention has the following advantages:
1. by the way that presser feet column and driven column are arranged at the top of sewing machine base, by cloth press be placed on presser feet column and driven column it
Between, thus limit sewing complete cloth moving direction, and then avoid sewing complete cloth from sewing base side
It falls off, drives the cloth rotation for needing to sew, cause sewing direction to shift, influence sewing efficiency；
2. being connect by setting belt pulley and connecting rod, connecting rod with presser feet column, belt pulley is driven by belt and sewing machine
The central rotating shaft connection in dynamic portion, to realize the synchronous working in sewing portion and presser feet column, the cloth for enabling sewing to complete is smooth
It is mobile to the direction far from sewing portion by presser feet column.
Detailed description of the invention
Fig. 1 is sewing-machine foot device overall structure diagram；
Fig. 2 is sewing-machine foot device partial structural diagram, is mainly used for showing the connection side of head and driving mechanism
Formula；
Fig. 3 is sewing-machine foot device cross-sectional view, is mainly used for showing the structure of control cabinet；
Fig. 4 is sewing-machine foot device partial structural diagram, is mainly used for showing the structure of the second connection bar assembly；
Fig. 5 is sewing-machine foot device partial structural diagram, is mainly used for showing press component and lifts the knot of component
Structure；
Fig. 6 is the rubber sleeve assembling schematic diagram of the present embodiment.
In figure: 1, head；11, sewing portion；12, driving portion；121, central rotating shaft；2, base；21, control cabinet；3, presser feet
Column；31, driven column；4, driving mechanism；41, belt pulley；42, belt；43, bar assembly is connected；431, first connecting rod；432,
Two connection bar assemblies；5, gear；60, flexible jointing-rod；61, rigid connecting rod；63, universal joint；7, support rod；71, Ji shape connects
Fitting；72, shaft；711, vertical bar；712, cross bar；713, column is abutted；714, U-lag；73, support arm；8, component is lifted；81,
Driving lever；811, shifting block；812, clockwork spring；813, arc convex portion；9, press component；91, elastic component；92, stud；93, spiral shell
It is female；10, rubber sleeve.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment:
Referring to Fig.1, a kind of sewing-machine foot device, is installed on sewing machine, for limiting the shifting for the cloth that sewing is completed
Dynamic direction, the cloth for avoiding sewing from completing fall off from sewing machine seating face, drive the cloth rotation for needing to sew, influence sewing effect
Fruit.
Referring to Fig.1, sewing machine includes head 1 and the base 2 for being used to support head 1, and head 1 includes sewing portion 11 and is used for
The driving portion 12 for driving sewing portion 11 to sew.The sewing-machine foot device of present disclosure is included in 2 top of base close to sewing
The presser feet column 3 of one end rotation connection in portion 11, presser feet column 3 are located at side of the sewing portion 11 far from operator, and presser feet column 3 can phase
To sewing machine top-lifting.Rotated down in base 2 positioned at presser feet column 3 is connected with driven column 31, the surface of driven column 31
With the plane tangent of base 2, and driven column 31 and presser feet column 3 are tangent, and its surface is circumferentially serrated structure, base
2 tops are additionally provided with the driving mechanism 4 that driving presser feet column 3 rotates.When carrying out cloth sewing, the part that sewing is completed is pressed
Between presser feet column 3 and driven column 31, presser feet column 3 is driven to rotate by driving mechanism 4, to drive cloth to far from sewing portion 11
Direction is mobile, and since cloth is extruded between presser feet column 3 and driven column 31, the driven column 31 of the mobile drive of cloth is rotated,
Move cloth preferably；Since the cloth sewed is compressed in first between presser feet column 3 and driven column 31, to limit
The moving direction for the cloth that sewing is completed, and then avoid the cloth that sewing is completed and fall off from sewing 2 side of base, and drive needs
The rotation of the cloth to be sewed, causes sewing direction to shift, influences sewing efficiency.
Referring to Figures 1 and 2, the driving portion 12 of sewing machine is connect by central rotating shaft 121 with sewing portion 11.It is pressed for driving
The driving mechanism 4 that socle 3 rotates includes the belt pulley 41 positioned at 2 top of base, close 12 one end of driving portion, and belt pulley 41 passes through
Belt 42 is connect with central rotating shaft 121, and driving mechanism 4 further includes the connection bar assembly connected between belt pulley 41 and presser feet column 3
43, connection bar assembly 43 includes the first connecting rod 431 connecting with belt pulley 41 and the second connecting rod group connecting with presser feet column 3
Part 432.Referring to Fig. 2, the position that 2 top of base, first connecting rod 431 are contacted with the second connection bar assembly 432 is provided with control
Case 21 processed, first connecting rod 431 and the second connection bar assembly 432 protrude into control cabinet 21, are rotatablely connected with control cabinet 21.Ginseng
It is located at one end in control cabinet 21 according to Fig. 3 first connecting rod 431 and the second connection bar assembly 432 and is arranged with gear 5, two teeth
5 intermeshing of wheel.When carrying out sewing work, driving portion 12 drives sewing portion 11 to work by central rotating shaft 121, central rotating shaft
121 drive belt pulley 41 to rotate by belt 42, so that first connecting rod 431 rotates, first connecting rod 431 further passes through tooth
Wheel 5 drives the second connection bar assembly 432 to rotate, so that presser feet column 3 rotates, by the cloth between presser feet column 3 and driven column 31
Mobile to the direction far from sewing portion 11, presser feet column 3 and central rotating shaft 121 rotate synchronously, so as to sew in time
At cloth to far from sewing portion 11 direction convey, avoid cloth from being deposited between sewing portion 11 and presser feet column 3, influence to sew
Work is normally carried out.
Referring to Fig. 3 and Fig. 4, the second connection bar assembly 432 include the flexible jointing-rod 60 being connect with gear 5 and with presser feet column
The rigid connecting rods 61 of 3 connections, flexible jointing-rod 60 and rigid connecting rod 61 pass through universal joint 63 and connect, flexible jointing-rod 60 by
Rubber material is made.Referring to Fig. 4 and Fig. 5, in side of the rigid connecting rod 61 far from head 1, vertical base 2 is fixedly connected with branch
Strut 7, support rod 7 are connect with rigid connecting rod 61 by Ji shape connector 71, and two vertical bars 711 of Ji shape connector 71 pass through
Shaft 72 and support rod 7 are rotatablely connected close to the two sides of 2 one end of base.Referring to Fig.1 and Fig. 5, rigid connecting rod 61 pass through Ji shape
The cross bar 712 of connector 71 is connect with presser feet column 3, and rigid connecting rod 61 is interference fitted by rolling bearing and cross bar 712.In machine
2 top of seat is additionally provided with press component 9 for pressing from Ji shape connector 71 to 2 direction of base, and for connecting Ji shape
The lifting component 8 that part 71 is lifted to separate 2 direction of base.
Referring to Fig.1 and Fig. 5, press component 9 include the branch connected in support rod 7 far from one end vertical support rod 7 of base 2
Brace 73, support arm 73 are arranged towards 1 direction of head, and support arm 73 is threadedly coupled close to one end of head 1, through support arm 73
There is stud 92, for 92 vertical support arm 73 of stud towards 2 direction of base, stud 92 is externally connected with nut 93 engaged therewith.In Ji
The outer wall of the cross bar 712 of shape connector 71 is provided with a U-lag 714, and U-lag 714 is located at the underface of stud 92, and be open direction
92 direction of stud.It is connected with elastic component 91 between support arm 73 and U-lag 714, elastic component 91 used is bullet in the present embodiment
Spring, 91 one end of elastic component are fixedly connected with 714 bottom of U-lag, and the other end is set in outside stud 92, and is abutted with nut 93, bullet
Property part 91 keep compressive state., can be mobile relative to stud since nut 93 is threadedly coupled with elastic component 91, thus by adjusting
The length of elastic component 91 changes the elastic force of elastic component 91, allows to preferably press Ji shape connector 71.Always
Elastic component 91 in compressive state squeezes the cross bar 712 of Ji shape connector 71, so that presser feet column 3 be made to squeeze to driven 31 direction of column
Pressure, and then cloth can be extruded between presser feet column 3 and driven column 31.
Referring to Fig.1 and Fig. 5, lifting component 8 include the driving lever being rotatablely connected positioned at 71 side of Ji shape connector and base 2
81, driving lever 81 is fixedly connected with shifting block 811 close to one end of base 2, and shifting block 811 and base 2 are rotatablely connected, setting in base 2
There is the clockwork spring 812 connecting with shifting block 811.Ji shape connector 71 is solid close to the side of shifting block 811 protrusion Ji shape connector 71
Surely it is connected with and abuts column 713, shifting block 811 is provided with arc convex portion 813 close to the side for abutting column 713, when stirring driving lever 81
Make shifting block 811 to when abutting the rotation of 713 direction of column, arc convex portion 813 abuts with column 713 is abutted, and lifts column 713 is abutted
It rises, and then rotates Ji shape connector 71, so that presser feet column 3 be lifted, stir driving lever 81 round about, it is de- to abut column 713
Arc of recess shape lug boss 813, so that the cross bar 712 of Ji shape connector 71 is bonded under the pressure of press component 9 at the top of base 2,
Presser feet column 3 is fitted closely with driven column 31.Staff carries out sewing work, needs for cloth to be placed on presser feet column 3 and driven
When between column 31, turn Ji shape connector 71 to the direction far from base 2 with 72 center of rotation of shaft by lifting component 8
It is dynamic, so that presser feet column 3 be driven to lift to the direction far from base 2, and then facilitate staff that cloth is placed under presser feet column 3
Then side releases the lifting effect of lifting component 8, then is pressed Ji shape connector 71 to 2 direction of base by press component 9,
To which cloth squeezed tight is able to drive cloth shifting between presser feet column 3 and driven column 31, and then when the guarantee rotation of presser feet column 3
It is dynamic.Also, rigid connecting rod 61 is connect by flexible jointing-rod 60 with gear 5, in this way, when Ji shape connector 71 is with shaft 72
When center of rotation rotates, rigid connecting rod 61 may be implemented and slightly lifted with respect to base 2, and the position of gear 5 is unaffected, from
Rotating effect without influencing the second connection bar assembly 432.
Referring to Fig. 6, rubber sleeve 10, the table of the rubber sleeve 10 are arranged on the outer peripheral surface of presser feet column 3 and driven column 31
Face is equipped with laciniation.After using a period of time, laciniation is worn, at this time can be by rubber sleeve 10 from pressure
It is disassembled on socle 3 and driven column 31, replaces with new rubber sleeve 10, can work normally.In order to facilitate dismantling and pacify
Dress, the smooth setting of the outer peripheral surface of presser feet column 3 and driven column 31, the internal diameter and presser feet column 3 of rubber sleeve 10 or the outer diameter of driven column 31
It is equal.
Working principle: when carrying out sewing work, a small amount of cloth of sewing first, then stir driving lever 81 makes to press staff
Socle 3 lifts, and the cloth that sewing is completed is placed under presser feet column 3, and then opposite direction stirs driving lever 81, falls presser feet column 3,
By cloth squeezed tight between presser feet column 3 and driven column 31, starting sewing work, the central rotating shaft 121 of driving portion 12 rotates,
Belt pulley 41 is driven to rotate by belt 42, and then first connecting rod 431 rotates, so that first connecting rod 431 is controlled by gear 5
Flexible jointing-rod 60 processed rotates, and flexible jointing-rod 60 drives rigid connecting rod 61 to rotate further through universal joint 63, thus presser feet column 3
Rotation, cloth is mobile to the direction far from sewing portion 11.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of sewing-machine foot device, it is characterised in that: the sewing-machine foot device includes being rotatably arranged on sewing machine
The presser feet column (3) of base (2) upper end, the presser feet column (3) and sewing machine sewing portion (11) be located at it is ipsilateral, and far from operation
Personnel's setting, base (2) top are additionally provided with the driving mechanism for driving the presser feet column (3) and sewing portion (11) to rotate synchronously
(4), the surface Yu base (2) surface of the presser feet column (3) are in tangent setting；In the base (2), it is located at the presser feet
The rotated down of column (3) is equipped with driven column (31), and the driven column (31) and the presser feet column (3) are tangent, the presser feet column (3)
It is circumferentially serrated structure with driven column (31) surface；Driving portion (12) includes connecting with the sewing portion (11)
Central rotating shaft (121), the driving mechanism (4) include being located at the top of the base (2), close to the driving portion (12) one end
Belt pulley (41), the belt pulley (41) and the central rotating shaft (121) connects by belt (42), the belt pulley (41) and
The presser feet column (3) passes through connection bar assembly (43) connection；The connection bar assembly (43) includes connecting with the belt pulley (41)
The first connecting rod (431) connect and the second connection bar assembly (432) being connect with the presser feet column (3), the first connecting rod
(431) bar assembly (432) are connect with described second to rotate synchronously by gear (5) control；Second connection bar assembly (432)
Including the flexible jointing-rod (60) close to the gear (5) one end and the rigid connecting rod close to described presser feet column (3) one end
(61), the flexible jointing-rod (60) is connect with the rigid connecting rod (61) by universal joint (63).
2. a kind of sewing-machine foot device according to claim 1, it is characterised in that: vertical at the top of the base (2)
Base (2) is equipped with support rod (7), and the support rod (7) is located at the side of the rigid connecting rod, leans in the support rod (7)
One end of nearly base (2) is rotatably connected to Ji shape connector (71), the vertical bar (711) of the Ji shape connector (71) and the branch
Strut (7) is rotatablely connected by shaft (72), and the rigid connecting rod (61) axially penetrates through the cross of the Ji shape connector (71)
Bar (712), and rotating relative to the cross bar (712) is equipped at the top of the base (2) for by the Ji shape connector (71)
To the lifting component (8) lifted far from the base (2) direction.
3. a kind of sewing-machine foot device according to claim 2, it is characterised in that: the lifting component (8) includes position
Driving lever (81) in the Ji shape connector (71) side and the base (2) rotation connection, the driving lever (81) is close to described
One end of base (2) is equipped with shifting block (811), and the shifting block (811) and base (2) are rotatablely connected, be equipped in the base (2) with
The clockwork spring (812) of shifting block (811) connection, the Ji shape connector (71) set close to the side of the shifting block (811)
Have abutting column (713), the shifting block (811) is equipped with arc convex portion (813) close to the side for abutting column (713), described
Arc convex portion (813) is for pushing the abutting column (713).
4. a kind of sewing-machine foot device according to claim 3, it is characterised in that: also set at the top of the base (2)
There is the press component (9) for pressing Ji shape connector (71) Xiang Suoshu base (2) direction.
5. a kind of sewing-machine foot device according to claim 4, it is characterised in that: the support rod (7) is far from base
(2) one end is connected with support arm (73), and the support arm (73) is arranged towards head (1) direction, press component (9) packet
Include the elastic component (91) being arranged between the cross bar (712) and the support arm (73) of the Ji shape connector (71), the bullet
Property part (91) is in compressive state.
6. a kind of sewing-machine foot device according to claim 5, it is characterised in that: the support arm (73) is close to described
One end of elastic component (91) is equipped with stud (92), and the vertical support arm (73) of the stud (92) is arranged to base (2) direction,
The stud (92) is externally provided with nut engaged therewith (93), described elastic component (91) one end and the Ji shape connector (71)
Cross bar (712) connection, the other end are set in the stud (92) and abut outside with the nut (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710687234.1A CN107400997B (en) | 2017-08-11 | 2017-08-11 | A kind of sewing-machine foot device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710687234.1A CN107400997B (en) | 2017-08-11 | 2017-08-11 | A kind of sewing-machine foot device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107400997A CN107400997A (en) | 2017-11-28 |
| CN107400997B true CN107400997B (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710687234.1A Active CN107400997B (en) | 2017-08-11 | 2017-08-11 | A kind of sewing-machine foot device |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4585897B2 (en) * | 2005-03-23 | 2010-11-24 | 株式会社森本製作所 | Curve sewing machine puller device |
| JP5957199B2 (en) * | 2011-10-14 | 2016-07-27 | Juki株式会社 | Cloth edge position detecting device and sewing machine |
| CN105926171B (en) * | 2016-06-23 | 2019-03-12 | 青岛坤宇工艺品有限公司 | A kind of sewing machine |
| CN207176229U (en) * | 2017-08-12 | 2018-04-03 | 南通金康弘纺织品有限公司 | A kind of sewing-machine foot device |
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