CN106319774B - The interior foot device of sewing machine - Google Patents
The interior foot device of sewing machine Download PDFInfo
- Publication number
- CN106319774B CN106319774B CN201510336975.6A CN201510336975A CN106319774B CN 106319774 B CN106319774 B CN 106319774B CN 201510336975 A CN201510336975 A CN 201510336975A CN 106319774 B CN106319774 B CN 106319774B
- Authority
- CN
- China
- Prior art keywords
- connecting part
- group connecting
- connector
- presser feet
- interior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of interior foot device of sewing machine, with presser feet in one and one with eedle with the wabbler mechanism to move up and down periodically, and it is connected with each other between interior presser feet and wabbler mechanism by a link mechanism, and link mechanism separately connects a mobile mechanism for being driven source drive, wherein, link mechanism includes the first connector and the second connector, first connector has the first group connecting part, the second group connecting part and third group connecting part, the first group connecting part and wabbler mechanism are connected with each other again, and the second group connecting part and mobile mechanism are connected with each other；Other second connector one end is connected to the third group connecting part of the first connector, and another opposite end is then connected to interior presser feet.The mechanism design that interior foot device can so be simplified, achievees the purpose that reduce whole device volume.
Description
Technical field
The present invention relates to a kind of interior foot devices for being installed on sewing machine headstock, espespecially a kind of to keep in eedle from outer presser feet
Sewing object in extract when use foot device in the sewing machine for push down sewing object.
Background technique
Tradition causes without using the sewing machine that feeding tooth drives cloth mobile to prevent the friction between cloth and eedle
Cloth rises together with eedle and generates bouncing pilotage, usually can all be installed with foot device in one.
Foot device is when eedle declines in general, once internal pressure foot bottom is in contact with cloth, then interior presser feet will not
Again as eedle continues to decline, and maintain to push down the state of cloth by elastic force；And it is begun to ramp up in the eedle through cloth
When, equally make interior presser feet that a pressed status be presented by elastic force, allows cloth can be by the pressure holding of interior presser feet, until eedle rises
To after completing hooking or leave cloth, interior presser feet carries out upward stroke with eedle again, so as to moving cloth.However, in response to
The difference in thickness that various clothes or laminated number generate, interior presser feet should also have in addition to that need to have the periodic up and down motion
The function of adjustable stroke height and position up and down.
As shown in Figs.1 and 2, it is known that the interior foot device 10 of sewing machine has in one that presser feet shakes in presser feet 11, one
Presser feet link component 13 in motivation structure 12, one, presser feet mobile mechanism 15 in a guiding elements 14 and one, wherein the internal pressure
Foot link component 13 is configured between the interior presser feet 11 and interior presser feet mobile mechanism 15, and by two concatenate connecting rods 131,
132 are constituted；The upper end of the guiding elements 14 can be installed in turn the headstock framework 16 of sewing machine, and lower end is then formed
There is the long hole 141 of a vertical direction, and the engaging portion 133 between two connecting rod 131,132 is slidably mounted on the length
In hole 141；The interior presser feet mobile mechanism 15 is then connected between the guiding elements 14 and a driving source (non-icon), by
It is driven to the driving source, drives the long hole 141 of the guiding elements 14 that engaging portion 133 is driven to move horizontally, and described in change
The arrangement angle of two connecting rods 131,132, to change the height and position of interior presser feet 11.
However, the connecting rod that the interior foot device must be made of two connecting rods that guide member 14 is set in conjunction with in-line row
Component 13 begins that the function of adjusting 11 height and position of interior presser feet can be reached, and only the design of additional guide member, which removes, causes interior presser feet to fill
It sets except overall volume increase, the guide member of particular aspects also results in the increased costs in production, therefore, before having improvement in fact
State necessity of missing.
Summary of the invention
It is a primary object of the present invention to be total to one link mechanism of structure by the connecting component of different aspects, cause interior presser feet
Can have the function of periodically moving up and down simultaneously and with adjustable stroke position height up and down, use presser feet dress in simplifying
The mechanism design set, achievees the purpose that reduce whole device volume, manufacturing cost is effectively reduced and can promote market competitiveness.
Another object of the present invention is to the different link positions of connecting component to have the difference on thickness, so that moving machine
Structure, wabbler mechanism and interior presser feet are located at the link position in different vertical face, and different actuating lengths is avoided to have the feelings interfered with each other
Condition occurs.
For up to the purpose, a kind of interior foot device of sewing machine of the present invention has an internal pressure to push down sewing piece
Foot and one with eedle with the wabbler mechanism that moves up and down periodically, by a link mechanism between the interior presser feet and wabbler mechanism
It is connected with each other, and the link mechanism is also connected with a mobile mechanism, and the mobile mechanism is driven by a driving source, feature
It is, the link mechanism includes：
One first connector, have one first group connecting part, one second group connecting part and a third group connecting part, described first group
Socket part and wabbler mechanism are connected with each other, and second group connecting part and mobile mechanism are connected with each other；And
One second connector, one end are connected to the third group connecting part of first connector, and another opposite end is connected to institute
State interior presser feet；
When the wabbler mechanism drives the first group connecting part of first connector to move along a vertical direction, described
The third group connecting part of a connection piece will drive the synchronous vertical direction that carries out of second connector mobile, when the mobile mechanism drives
Move the second group connecting part of first connector along a transverse direction, first connector will be connect with described first group
Portion is that fulcrum is rotated, and the third group connecting part is driven to change vertical height position.
In addition to this, the thickness design of the second group connecting part and both third group connecting parts of the first connector can be by the present invention
Difference causes the mobile mechanism to be located in different vertical plane positions from second connector, therefore when the first connection
When part generates rotation, the case where different actuating lengths will not interfere with each other.
First connector is set as a L shape rod piece, and second group connecting part is respectively arranged at the third group connecting part
The two opposed ends of the L shape rod piece, first group connecting part are set to a turning point of the L shape rod piece, so that described
When one group connecting part regards fulcrum, second group connecting part and the third group connecting part can approach level and vertical direction respectively
Displacement.
It is made of the method have the characteristics that link mechanism is simplified design the first connector and the second connector, by institute
State the first connector and form three connection members, simplify known structure and additional guide member is needed act on, the beginning can adjust interior presser feet and
Spacing distance between needle plate.In addition to this, the different link positions of the first connector have the difference on thickness, so
It avoids generating the case where interfering with each other between mobile mechanism, wabbler mechanism and the movement of interior presser feet three difference.
Detailed description of the invention
Fig. 1 is the perspective view that known interior foot device is installed on sewing machine headstock；
Fig. 2 is the exploded view of foot device in Fig. 1；
Fig. 3 is the perspective view that foot device is installed on sewing machine headstock in sewing machine of the present invention；
Fig. 4 is the perspective view of foot device in the present invention；
Fig. 5 is the decomposition that foot device resolves into wabbler mechanism, mobile mechanism, link mechanism and interior presser feet in the present invention
Figure；
Fig. 6 is the thin portion exploded view of Fig. 5 wabbler mechanism；
Fig. 7 is the side view of Fig. 5 link mechanism；
Fig. 8 is the schematic diagram that foot device is driven by mobile mechanism in the present invention；
Fig. 9 is the action schematic diagram of presser feet displacement in wabbler mechanism of the present invention drives to lower swing；
Figure 10 be wabbler mechanism of the present invention to lower swing and interior presser feet supports the action schematic diagram of needle plate.
Description of symbols：Foot device in 10-；Presser feet in 11-；Presser feet head motion in 12-；Presser feet connecting rod in 13-
Component；131- connecting rod；132- connecting rod；The engaging portion 133-；14- guiding elements；141- long hole；Presser feet mobile mechanism in 15-；16-
Framework；Foot device in 20-；21- wabbler mechanism；211- axis of rocking；212- adjusts arm；212a- groove；The first rod piece of 213-；
The second rod piece of 214-；215- adjusts rod piece；The first hook of 215a- portion；216- fulcrum；217- spring part；The second hook of 218- portion；
22- link mechanism；The first connector of 221-；The first group connecting part of 221a-；The second group connecting part of 221b-；221c- third group connecting part；
The second connector of 222-；23- mobile mechanism；231- moves connecting rod；232- eccentric wheel；233- shaft member；Presser feet in 24-；241- peace
Loading board；242- compression bar connector；243- compression bar；244- presser feet；30- headstock；31- crank axle；32- needle bar.
Specific embodiment
It is hereby convenient for further having deeper one layer clear, full and accurate understanding to construction of the invention, use and its feature
With understanding, preferred embodiment is hence enumerated, detailed description are as follows for cooperation diagram：
Firstly, please referring to shown in Fig. 3, foot device 20 is mainly 30 front end of the headstock position that sewing machine is arranged in the present invention
It sets, and is coupled with the upper axis (not shown) of sewing machine, the upper axis is enable to drive a needle bar 32 for having eedle simultaneously
And interior foot device 20 of the invention.
It is connect with unification connecting rod with the needle bar 32 as shown, the front end hyte of the upper axis connects a crank axle 31,
And the middle section position of the upper axis is then installed with an eccentric cam (not shown) and interior 20 up and down direction of foot device is driven to move
The wabbler mechanism 21 of momentum.
Please refer to shown in Fig. 4, the wabbler mechanism 21 have an axis of rocking 211, described 211 one end of axis of rocking be connected to by
The eccentric cam pushes the swing arm back and forth shaken generated, and the other end is then assembled in a tune for being formed with arc-curved shape groove 212a
Whole arm 212, and by being equipped with rotatable first rod piece 213 in the groove 212a of the adjustment arm 212, described first
213 other end of rod piece is then rotatably to be installed on one second rod piece, 214 center, 214 one end of the second rod piece connection
There is a link mechanism 22, the other end is then the one end for being connected to an adjusting rod piece 215, and cooperates the adjusting rod piece 215 common
It is resisted against sewing machine case and is formed by a stopper section (not shown).It please refers to shown in Fig. 6, the center for adjusting rod piece 215
The casing of sewing machine is rotatably mounted on by a fulcrum 216, the other end forms one first hook portion 215a then to pacify
A spring part 217 is filled, 217 other end of spring part is installed in one second hook portion 218 of the casing for being fixed on sewing machine.
It please refers to shown in Fig. 5, link mechanism 22 of the present invention is by one first connector 221 and one second connector 222
It is constituted, first connector 221 has one first group connecting part 221a, one second group connecting part 221b and a third group connecting part
221c, the first group connecting part 221a are connected with second rod piece 214, the second group connecting part 221b then with a moving machine
Structure 23 is connected with each other；Described second connector, 222 one end is connected to the third group connecting part 221c of first connector 221 again,
Another opposite end is then connected to presser feet 24 in one.
Please refer to shown in Fig. 5 and 7, first connector 221 is set as a L shape rod piece, the second group connecting part 221b with
The third group connecting part 221c is respectively arranged at the two opposed ends of the L shape rod piece, and the first group connecting part 221a is set to
One turning point of the L shape rod piece, so that the first group connecting part 221a is located at the second group connecting part 221b and the third
Between group connecting part 221c.In addition, the second group connecting part 221b is different from the thickness of both third group connecting part 221c, cause
The mobile mechanism 23 is located at different vertical plane positions from second connector 222.Thereby allow the wabbler mechanism
21, mobile mechanism 23 and interior presser feet 24 are located at the link position in different vertical face, and different actuating lengths is avoided to interfere with each other
The case where occur.
It please refers to shown in Fig. 8, the mobile mechanism 23 is equipped with a shifting mobile towards the direction the second group connecting part 221b
Dynamic connecting rod 231, and an eccentric wheel 232 is connected by mobile 231 other end of connecting rod, the eccentric wheel 232 is mounted on a shaft member
233 one end, and 233 other end of the shaft member is then connected to a motor (not shown) as driving source.
It please referring to shown in Fig. 5, the interior presser feet 24 is equipped with the mounting plate 241 of one with second connector 222 assembling, and
One compression bar connector 242 is connected by the mounting plate 241, and the compression bar connector 242 is equipped with one along upper and lower vertical direction
Cloth is pressed in the presser feet 244 on needle plate by the compression bar 243 of extension, 243 bottom of the compression bar assembling one.
It please refers to shown in Fig. 8, foot device 20 can drive the shaft member 233 to drive the bias by motor in the present invention
232 rotation of wheel carries out the mobile connecting rod 231 towards the second direction group connecting part 221b of first connector 221 traversing
Movement.At this time, it is assumed that the wabbler mechanism 21 does not carry out any movement and remains static, first connector 221
It will start to rotate clockwise using the first group connecting part 221a as fulcrum, and the third group of first connector 221 connects
Portion 221c will be synchronized and be rotated clockwise, thus increase the vertical height position of the third group connecting part 221c.Thereby, institute
Stating the second connector 222 will vertically move along up and down direction, cause the compression bar connector 242 synchronous along up and down direction
It is moved to top.The interval height between presser feet 244 and needle plate can thereby be increased.
It please refers to shown in Fig. 9, foot device 20 drives the eccentric cam rotation by the upper axis in the present invention, causes
The axis of rocking 211 of the wabbler mechanism 21 and then shakes, when the adjustment arm 212 follows axis of rocking 211 to be shaken clockwise
When, movement of first rod piece 213 by progress in downward direction, and the left end of second rod piece 214 is because by the adjusting
Rod piece 215 is pulled and supported with spring part 217, and the right end of second rod piece 214 will be carried out clockwise inclined using left end as fulcrum
Pendulum is used and the link mechanism 22 is driven to move down, and the first connector 221 of the link mechanism 22 will be because by the shifting
The limitation of motivation structure 23 and maintain a rotation angle, and the second connector 222 of the link mechanism 22 will by first connection
The drive of part 221 generates a displacement in downward direction, and the displacement that can so allow the presser feet 244 to cooperate needle bar 32 downward is downward
Move the position until cloth to be resisted against to needle plate.
It please refers to shown in Figure 10, it is described after the presser feet 244 cooperation needle bar 32 drops to, and cloth is resisted against needle plate
Presser feet 244 will not continue to decline with eedle again, if the subsequent adjustment arm 212 still drives first rod piece 213 will be into
Row movement in downward direction, the right end of second rod piece 214 will because link mechanism 22 and in presser feet 24 can not carry out to
The left end of the movement in lower direction, second rod piece 214 will carry out beat counterclockwise using right end as fulcrum, due to described
The center for adjusting rod piece 215 is hubbed on the casing of sewing machine by fulcrum 216, therefore, it is described adjust rod piece 215 will with second
Rod piece 214 synchronizes rotation counterclockwise, and makes 217 extension elongation of spring part, uses and absorbs extra 24 stroke of interior presser feet.
By aforementioned activities mode it is found that wabbler mechanism of the present invention 21 can drive first group of first connector 221 to connect
Portion 221a is moved along a vertically upward and downward directions, and the second group connecting part 221b is limited by mobile connecting rod 231, can limit institute simultaneously
The third group connecting part 221c for stating the first connector 221 will drive presser feet 24 in 222 synchronous drive of the second connector to hang down
Straight up and down direction is mobile.In conclusion the groove 212a of adjustment arm 212 is used to set the distance of about 244 stroke of presser feet, partially
The height and position that heart wheel 232 is used to that mobile connecting rod 231 to be driven to set about 244 stroke of presser feet, and the range of this trip exceeds needle
Part below plate face is then absorbed by spring part 217.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
Without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (3)
1. a kind of interior foot device of sewing machine, with one to push down sewing piece interior presser feet and one with eedle with periodically
The wabbler mechanism of up and down motion is connected with each other between the interior presser feet and wabbler mechanism by a link mechanism, and the connecting rod machine
Structure is also connected with a mobile mechanism, and the mobile mechanism is driven by a driving source, which is characterized in that the link mechanism packet
Contain：
One first connector has one first group connecting part, one second group connecting part and a third group connecting part, first group connecting part
It is connected with each other with wabbler mechanism, second group connecting part and mobile mechanism are connected with each other；And
One second connector, one end are connected to the third group connecting part of first connector, and another opposite end is connected in described
Presser feet；
When the wabbler mechanism drives the first group connecting part of first connector to move along a vertical direction, described first connects
The third group connecting part of fitting will drive the synchronous vertical direction that carries out of second connector mobile, when the mobile mechanism drives institute
The second group connecting part for stating the first connector is moved along a transverse direction, and first connector will be with first group connecting part
Fulcrum is rotated, and the third group connecting part is driven to change vertical height position.
2. the interior foot device of sewing machine according to claim 1, it is characterised in that：Second group connecting part and described the
The thickness of three group connecting parts is different, and the mobile mechanism is caused to be located at different vertical plane positions from second connector.
3. the interior foot device of sewing machine according to claim 2, it is characterised in that：First connector is set as a L
Shape rod piece, second group connecting part and the third group connecting part are respectively arranged at the two opposed ends of the L shape rod piece, and described the
One group connecting part is set to a turning point of the L shape rod piece, so that first group connecting part is located at second group connecting part and institute
It states between third group connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510336975.6A CN106319774B (en) | 2015-06-17 | 2015-06-17 | The interior foot device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510336975.6A CN106319774B (en) | 2015-06-17 | 2015-06-17 | The interior foot device of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106319774A CN106319774A (en) | 2017-01-11 |
| CN106319774B true CN106319774B (en) | 2018-11-16 |
Family
ID=57733133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510336975.6A Active CN106319774B (en) | 2015-06-17 | 2015-06-17 | The interior foot device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106319774B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62249689A (en) * | 1986-04-22 | 1987-10-30 | ジューキ株式会社 | Middle presser of sewing machine |
| JPH09253365A (en) * | 1996-03-22 | 1997-09-30 | Juki Corp | Inner pressing device for automatic sewing machine |
| JPH10118368A (en) * | 1996-10-22 | 1998-05-12 | Juki Corp | Accessory for middle presser of sewing machine |
| JP3485341B2 (en) * | 1993-12-24 | 2004-01-13 | ジューキ株式会社 | Middle presser height adjustment device for sewing machine |
| CN1760422A (en) * | 2004-10-12 | 2006-04-19 | 重机公司 | Fabric presser of sewing machine |
| CN101153431A (en) * | 2006-09-29 | 2008-04-02 | Juki株式会社 | Sewing machine |
| CN101265642A (en) * | 2008-05-05 | 2008-09-17 | 浙江新杰克缝纫机股份有限公司 | Electronic pattern sewing machines presser foot automatic control device |
| CN204803527U (en) * | 2015-06-17 | 2015-11-25 | 启翔股份有限公司 | Sewing machine's interior presser foot device |
-
2015
- 2015-06-17 CN CN201510336975.6A patent/CN106319774B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62249689A (en) * | 1986-04-22 | 1987-10-30 | ジューキ株式会社 | Middle presser of sewing machine |
| JP3485341B2 (en) * | 1993-12-24 | 2004-01-13 | ジューキ株式会社 | Middle presser height adjustment device for sewing machine |
| JPH09253365A (en) * | 1996-03-22 | 1997-09-30 | Juki Corp | Inner pressing device for automatic sewing machine |
| JPH10118368A (en) * | 1996-10-22 | 1998-05-12 | Juki Corp | Accessory for middle presser of sewing machine |
| CN1760422A (en) * | 2004-10-12 | 2006-04-19 | 重机公司 | Fabric presser of sewing machine |
| CN101153431A (en) * | 2006-09-29 | 2008-04-02 | Juki株式会社 | Sewing machine |
| CN101265642A (en) * | 2008-05-05 | 2008-09-17 | 浙江新杰克缝纫机股份有限公司 | Electronic pattern sewing machines presser foot automatic control device |
| CN204803527U (en) * | 2015-06-17 | 2015-11-25 | 启翔股份有限公司 | Sewing machine's interior presser foot device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106319774A (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8474914B2 (en) | Armrest adjustment device | |
| US8777318B2 (en) | Height adjustment mechanism for armrest | |
| KR102464048B1 (en) | Rocking bed | |
| CN204803528U (en) | Sewing machine's interior presser foot mechanism | |
| US10407811B2 (en) | Sewing machine | |
| CN111962228B (en) | Presser foot holding mechanism | |
| CN106319774B (en) | The interior foot device of sewing machine | |
| CN203852217U (en) | Capsule clamping mechanism and capsule coffee machine | |
| CN204803527U (en) | Sewing machine's interior presser foot device | |
| JP3170794U (en) | Running machine | |
| CN107780069B (en) | Transmission mechanism of linking machine | |
| TWI650461B (en) | Inner presser foot mechanism | |
| CN107780060B (en) | Needle gauge dial plate locking device of lockstitch sewing machine | |
| CN207468857U (en) | Interior presser foot device | |
| TWI611061B (en) | Internal presser device of sewing machine | |
| CN216473889U (en) | Presser foot control device of embroidery machine | |
| US11185960B2 (en) | Positioning structure of clamper of threading machine for racket | |
| US20200270792A1 (en) | Flat knitting machine mangling device with position varying with gap size | |
| TWM512598U (en) | Inner presser foot device of sewing machine | |
| CN109487447A (en) | Interior presser foot device | |
| CN118306752B (en) | Automatic needle falling device of acupuncture needle handle winding machine | |
| JP5132020B2 (en) | Sewing machine with threading device | |
| TWM471216U (en) | Armrest structure with adjustment | |
| CN215593387U (en) | Double-needle sewing machine needle bar switching mechanism with double-skip needle function | |
| TWM553739U (en) | Mechanism of inner presser foot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |