CN109487447A - Interior presser foot device - Google Patents
Interior presser foot device Download PDFInfo
- Publication number
- CN109487447A CN109487447A CN201710813939.3A CN201710813939A CN109487447A CN 109487447 A CN109487447 A CN 109487447A CN 201710813939 A CN201710813939 A CN 201710813939A CN 109487447 A CN109487447 A CN 109487447A
- Authority
- CN
- China
- Prior art keywords
- component
- presser feet
- interior presser
- interior
- link assembly
- 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.)
- Granted
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
Abstract
The present invention relates to a kind of interior presser foot devices, with interior presser feet and wave component, interior presser feet and wave between component be equipped with link assembly, and link assembly is connected to the driving source that can be carried out rotation via moving assembly, wherein, it waves and is equipped with cam pack between component and moving assembly, and cam pack has one to be connected to the actuating cam of driving source and one be connected to the driven roller for waving component, the actuating cam can be moved to contact position by reserve contact position by moving assembly, so that actuating cam is contacted with driven roller, and then make to wave both component and link assembly drive jointly in presser feet be moved to by compressing position and prepared compress position, cause interior presser feet that can be located away from sewing piece, the structure composition of interior presser foot device can be simplified whereby, to achieve the purpose that reduce whole device volume.
Description
Technical field
The present invention relates to the interior presser foot device that one is installed on sewing machine headstock, one kind is particularly related in eedle from sewing object
The interior presser foot device for pushing down sewing object can be used when extraction.
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, also, begin 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 hooking is completed or after leaving 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 component 12, one, presser feet mobile member 15, a lifting member 16 in a guiding elements 14, one are moved,
In, the interior presser feet link component 13 is configured between the interior presser feet 11 and interior presser feet mobile member 15, and is concatenated by two
Connecting rod 131,132 constituted, and the upper end of the guiding elements 14 can be installed in turn a sewing machine headstock (figure not
Show), and the long hole 141 of a vertical direction is formed in lower end, wherein the engaging portion 133 between two connecting rod 131,132
It is slidably mounted in the long hole 141.
The interior presser feet mobile member 15 is then connected between the guiding elements 14 and a drive member 17, and described
There is lifting member 16 presser feet in a rotation axis 161 and one to be lifted part 162, and the rotation axis 161 passes through a bevel gear group
163 and be assembled in the drive member 17, and there is a lifting cam 164, and interior presser feet lifting part 162 be pivotally connected to it is described
Sewing machine, and the contact roller 165 for contacting at the lifting cam 164 with one.
The drive member 17 rotated in the range of 0~180 degree, although at this point, the lifting cam 164
Maintenance portion can be contacted with the contact roller 165, but the interior presser feet lifting part 162 not can rotate, meanwhile, the driving
Component 17 drives the interior presser feet mobile member 15 to be moved, and the long hole 141 of the guiding elements 14 is driven to drive the knot
Conjunction portion 133 moves horizontally, and changes the arrangement angle of two connecting rod 131,132, so as to adjust under the interior presser feet 11
The height and position of position.
In addition, when the drive member 17 is rotated in the range of 180~360 degree, the lifting cam 164
Change section can be contacted with the contact roller 165, so that the interior presser feet lifting part 162 can be carried out rotation, and then make in described
One end of presser feet lifting part 162 drives the interior presser feet 11 to rise to retreating position.
However, two connecting rods, 131,132 institute that the interior foot device 10 must be set by guiding elements 14 in conjunction with in-line row
The link component of composition, begin the height and position that can reach the lower position for adjusting interior presser feet 11, also, must also pass through lifting member
The interior presser feet 11 is moved to retreating position by 16, and only the structure composition of additional guide member and lifting member 16 is removed and made
Except the interior 10 overall volume increase of foot device, the guiding elements 14 of particular aspects and the structure group of lifting member 16
Therefore there is the necessity for improveing aforementioned missing in fact at the increased costs also resulted in production.
Summary of the invention
When carrying out electroplating activity it is a primary object of the present invention to plated body, operator can be according to the plating situation of plated body
(such as: plated body generates different shape), rapidly clamping device is taken out from electroplate liquid simultaneously with plated body, and then reduces plated
The probability of object damage.
It is a primary object of the present invention to the mechanism designs of presser foot device in simplifying, to reach the entire organization volume mesh of reduction
, also, simplify the number of components, to reduce manufacturing cost.
For up to the purpose, the present invention provides a kind of interior presser foot device, it is assembled in a sewing machine body, and can with one
Interior presser feet and one to push down sewing piece are connected to the link assembly of the interior presser feet, and the link assembly assembling one is waved
Component, and a driving source is connected via a moving assembly, and the wobble component is assembled in one and is set to the sewing machine body
Upper axis, it is characterised in that: it is described wave between component and moving assembly be equipped with a cam pack, the cam pack have one
It is connected to the actuating cam of the driving source and one is connected to the driven roller for waving component, the actuating cam passes through
The reserve contact position that the moving assembly can not contact at the driven roller by one turn to one be contacted with it is described driven
The contact position of idler wheel, so that the component that waves drives the interior presser feet to push down supporting for sewing piece by one jointly with link assembly
Pressure position is moved to the preparation that one is located away from sewing piece and compresses position.
In addition, the component that waves connects an involution component, the involution component can wave component to form one multiple to described
Return active force, when so that the actuating cam being located at the reserve contact position, the component that waves is acted on by the involution
Power drive the interior presser feet be moved to it is described compress position, and then the interior presser feet can be continued in and described compress position.
In preferred embodiment, the moving assembly has a mobile connecting rod, and one end of the mobile connecting rod is connected to institute
Link assembly is stated, and is connected to the eccentric wheel of the driving source in one end assembling one far from the link assembly, and it is described inclined
Heart wheel and actuating cam are connected with each other.
Furthermore the component that waves has one first rod piece and one second rod piece mutually assembled, first rod piece
Be connected to the upper axis via a swinging axle, and second rod piece the interior presser feet be located at it is described compress position when, institute
The one end for stating the second rod piece contacts at a groove for being formed in the sewing machine body by the involution active force, also,
Second rod piece connects the driven roller in the one end for contacting at the groove, and is being away from the one of the driven roller
End assembles the link assembly.
Cam pack is equipped between component and moving assembly the advantage of the invention is that waving, so that interior presser foot device is contracting
In the case where subtracting overall volume, interior presser feet can still be allowed to compress position in preparation and compress and move back and forth between position, except this it
Outside, when actuating cam is moved to contact position by moving assembly, interior presser feet waved component and link assembly drive and
Preparation can be moved to by compressing position immediately and compress position, also, connect when actuating cam is moved to preparation by moving assembly
When touching position, involution component is pulled by involution active force and waves component, and interior presser feet is enabled to compress position by preparation immediately
It is moved to and compresses position, use the function of replacing the interior foot device of known sewing machine above-mentioned.
Detailed description of the invention
Fig. 1 and Fig. 2 is the exploded view of known interior foot device；
Fig. 3 is the perspective view that presser foot device is installed on sewing machine in the present invention；
Fig. 4 is the perspective view of presser foot device in the present invention；
Fig. 5 is the exploded view of presser foot device in the present invention；
Fig. 6 is the schematic diagram that presser feet supports sewing piece in the present invention；
Fig. 7 is actuating cam is rotated within the scope of 0~180 degree and drives the schematic diagram of interior presser feet；
Fig. 8 is the schematic diagram that actuating cam was rotated and driven interior presser feet within the scope of 180~360 degree.
Description of symbols: foot device in 10-；Presser feet in 11-；Presser feet agitation member in 12-；Presser feet connecting rod in 13-
Component；131,132- connecting rod；The engaging portion 133-；14- guiding elements；141- long hole；Presser feet mobile member in 15-；16- is lifted structure
Part；161- rotation axis；Presser feet is lifted part in 162-；163- bevel gear group；164- is lifted cam；165- contact roller；17- drives
Dynamic component；Presser foot device in 20-；21- waves component；211- swinging axle；212- swing arm connecting rod；213- adjusts arm；213a- ditch
Slot；214- eccentric cam；The first rod piece of 215-；The second rod piece of 216-；217- adjusts rod piece；217a- hook portion；218- fulcrum；
22- link assembly；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-；Presser feet in 23-；24- moving assembly；241- moves connecting rod；242- eccentric wheel；25- transmission component；251-
Transmission shaft；252- driving source；26- cam pack；261- actuating cam；The butting section 261a-；262- driven roller；27- involution group
Part；271- hook part；272- spring；273- involution active force；30- sewing machine body；31- headstock；The upper axis of 32-；33- crank
Axis connecting rod；34- needle bar；35- groove；40- sewing piece；P1- reserve contact position；P2- compresses position；P3- contact position；P4-
Preparation compresses position.
Specific embodiment
The present invention is further described with attached drawing combined with specific embodiments below, the advantages and features of the present invention will be with
Description and it is apparent.
It please refers to shown in Fig. 3 and Fig. 4, presser foot device 20 is used with unification sewing machine body 30 in the present invention, sewing machine sheet
Body 30 has a headstock 31 and a pedestal (not shown), and interior presser foot device 20 is assembled in inside headstock 31, and is had in inside
One can be carried out the upper axis 32 of rotation, and upper axis 32 is assembled in the needle bar 34 of headstock 31 by a crank axle connecting rod 33 connection one, made
Axis 32 must be gone up and drive needle bar 34 to be vertically moved towards the pedestal by crank axle connecting rod 33, as shown, headstock 31
Front side is equipped with a groove 35.
It please refers to shown in Fig. 4 and Fig. 5, component 21 mainly waves, in a link assembly 22, one by one in interior 23 mechanism 20 of presser feet
Presser feet 23, a moving assembly 24, a transmission component 25, a cam pack 26 and an involution component 27 are constituted, as shown,
Component 21 is waved with a swinging axle 211, which assembles a swing arm connecting rod 212, and connects being away from swing arm
The one adjustment arm 213 of one end assembling of bar 212, eccentric cam 214 that swing arm connecting rod 212 is assembled in upper axis 32 via one and be connected to
Upper axis 32, when so that upper axis 32 being rotated, the swinging axle 211 can be by eccentric cam 214 and swing arm connecting rod 212
Row reciprocally swinging, and adjust arm 213 and form the groove 213a of appearance presentation arc-curved shape for changing the swing of adjustment arm 213
Radius, groove 213a assemble first rod piece 215 free to rotate, wherein the first rod piece 215 is in being away from groove 213a
One end rotatably connect the central section of one second rod piece 216, and 216 one end of the second rod piece is connected to link assembly
22, and one end of rod piece 217 is adjusted in one end connection one far from link assembly 22, as shown, adjusting the center of rod piece 217
Region is rotatably installed on the headstock 31 of sewing machine by a fulcrum 218, and adjusts 217 other end of rod piece and form an extension
Hook part 217a installs involution component 27.
It please refers to shown in Fig. 5, link assembly 22 is mainly by 222 structures of one first connector 221 and one second connector
At, the first connector 221 has one first group connecting part 221a, one second group connecting part 221b and a third group connecting part 221c,
In, the first group connecting part 221a is connected to the second rod piece 216 for waving component 21, and the second group connecting part 221b then with moving assembly 24
It is connected with each other, third group connecting part 221c is connected to the second connector 222, and the second connector 222 is in being away from third group connecting part
One end of 221c is connected to interior presser feet 23, as shown, interior presser feet 23 is arranged in parallel in needle bar 34.
Moving assembly 24 is equipped with one and is assembled in shifting towards the mobile mobile connecting rod 241 in the second direction group connecting part 221b and one
The eccentric wheel 242 of dynamic 241 one end of connecting rod, and there is transmission component 25 transmission shaft 251 and one that can be carried out rotation to be connected to
The driving source 252 of transmission shaft 251, wherein transmission shaft 251 is connected to eccentric wheel 242, and is parallel to axis 32, wherein driving source
25 band movable eccentric wheels 242 are rotated, so that mobile connecting rod 241 drives the second group connecting part 221b to be moved, and then change the
The angle of a connection piece 221, as shown, cam pack 26 has an actuating cam 261 and a driven roller 262, actively
Cam 261 is fixedly connected on eccentric wheel 242, so that actuating cam 261 is connected to transmission shaft 251 by eccentric wheel 242,
In, actuating cam 261 have one can selective exposure in the butting section 261a (as shown in Fig. 6) of driven roller 262, and second
One end that rod piece 216 is away from the first connector 221 is connected to driven roller 262, in addition, involution component 27 has an installation solid
Due to the hook part 271 of headstock 31, and a spring 272 is equipped between hook part 271 and the hook portion 217a for adjusting rod piece 217.
It please refers to shown in Fig. 6, during needle bar 34 carries out sewing movement, the butting section 261a of actuating cam 261 does not have
It contacts at the driven roller 262 of cam pack 26 and actuating cam 261 is made to be located at a reserve contact position P1, at this point, involution group
The spring 272 of part 27 forms an involution active force 273 to the adjusting rod piece 217 for waving component 21, so that the second rod piece 216 and tune
Both pole parts 217 are jointly that axle center is rotated clockwise, and then makes link assembly 22 that interior presser feet 23 be driven to move with fulcrum 218
It moves to one and compresses position P2, interior presser feet 23 is allowed to push down a sewing piece 40, meanwhile, the second rod piece 216 is in assembling driven roller 262
One end contacts at the wall surface of the groove 35 of sewing machine body 30 by involution active force 273, under this state, waving component 21
Swinging axle 211 drive adjustment arm 213 swung in certain angular range so that adjustment arm 213 sequentially via first
Rod piece 215, the second rod piece 216, the first connector 221 and the second connector 222 and presser feet 23 is with upper in rotation in driving
Axis 32 carries out intermittent up and down motion, and then the separation sewing piece 40 for keeping interior presser feet 23 in due course, and causing can seam easy to remove
It threads object 40.
It please refers to shown in Fig. 7,40 thickness change of sewing piece is encountered during needle bar 34 carries out sewing movement and needs to change
When the height of the interior presser feet 23, the driving source 252 of transmission component 25 drives the transmission shaft 251 of transmission component 25 0~180
It is rotated in the range of degree, so that the eccentric wheel 242 of moving assembly 24 and the actuating cam 261 of cam pack 26 carry out together
It rotates clockwise, at this point, the butting section 261 of actuating cam 261 is not contacted with driven roller 262, meanwhile, the second rod piece 216
The wall surface of groove 35 is still contacted at by involution active force 273 in one end of assembling driven roller 262, and moving assembly 24
Mobile connecting rod 241 towards the first connector 221 the second group connecting part 221b it is mobile so that the first connector 221 is with first group
Socket part 221a is that fulcrum is rotated clockwise, and then changes the angle of the first connector 221, drives the second connector 222
Interior presser feet 23 improves the height and position for compressing position P2, and whereby, interior presser feet 23 can pass through link assembly 22 and moving assembly 24
Change the height and position for compressing position P2, also, when the height and position for compressing position P2 changes, what interior presser feet 23 vertically moved
Distance substantially remains unchanged.
It please refers to shown in Fig. 8, next, the driving source 252 of transmission component 25 drives the transmission shaft 251 of transmission component 25 to exist
It is rotated in the range of 180~360 degree, so that the eccentric wheel 242 of moving assembly 24 and actuating cam 261 are rotated together to supporting
Relying part 261a contacts at driven roller 262, and then actuating cam 261 is moved to a contact position P3 by reserve contact position P1,
It allows the second rod piece 216 to be rotated counterclockwise with fulcrum 218 for axle center jointly with 217 the two of rod piece is adjusted, spring 272 is caused to prolong
Elongation is stretched, and link assembly 22 drives interior presser feet 23 to be moved to the preparation that one is located away from sewing piece 40 again compresses position P4, this
When, the second rod piece 216 does not contact at the wall surface of groove 35 in one end of assembling driven roller 262.
By the movement of aforementioned interior presser feet 23 it is found that the transmission shaft 251 of transmission component 25 drives the inclined of moving assembly 24 simultaneously
When the actuating cam 261 of heart wheel 242 and cam pack 26 is moved to contact position P3, interior presser feet 23 is waved component 21 and is connected
Bar assembly 22 can be moved to preparation by compressing position P2 immediately and compress position P4, also, when actuating cam 261 passes through transmission shaft
251 and when being moved to reserve contact position P1, involution component 27 waves component 21 by the pulling of involution active force 273 so that
Interior presser feet 23 can be compressed position P4 and be moved to by preparation immediately compresses position P2, and using enables transmission component 25 to have both adjustment internal pressure
Foot 23 is in the height and position for compressing position P2, and drives interior presser feet 23 to reach the preparation risen completely and compress position P4.
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 (4)
1. a kind of interior presser foot device, be assembled in a sewing machine body, and have one can to push down the interior presser feet of sewing piece with
And one be connected to the interior presser feet link assembly, the link assembly assembling one waves component, and via a moving assembly and
A driving source is connected, and the wobble component is assembled in a upper axis for being set to the sewing machine body, it is characterised in that: it is described to shake
Put and be equipped with a cam pack between component and moving assembly, the cam pack have one be connected to the driving source active it is convex
It takes turns and one is connected to the driven roller for waving component, the actuating cam can not be supported by the moving assembly by one
It touches and turns to a contact position for being contacted with the driven roller in the reserve contact position of the driven roller, so that described shake
The position that compresses that pendulum component and link assembly drive the interior presser feet to push down sewing piece by one jointly is moved to one and is located away from sewing
The preparation of object compresses position.
2. interior presser foot device according to claim 1, it is characterised in that: the component that waves connects an involution component, institute
An involution active force can be formed to the component that waves by stating involution component, so that the actuating cam is located at the reserve contact position
When setting, it is described wave component by the involution active force drive the interior presser feet be moved to it is described compress position, and then it is described
Interior presser feet compresses position described in capable of being continued in.
3. interior presser foot device according to claim 1, it is characterised in that: the component that waves has one the mutually assembled
One rod piece and one second rod piece, first rod piece is connected to the upper axis via a swinging axle, and second rod piece
One end connect the driven roller, and assemble the link assembly in the one end for being away from the driven roller.
4. interior presser foot device according to claim 1, it is characterised in that: the moving assembly has a mobile connecting rod, institute
The one end for stating mobile connecting rod is connected to the link assembly, and is connected in one end assembling one far from the link assembly described
The eccentric wheel of driving source, and the eccentric wheel and actuating cam are connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813939.3A CN109487447B (en) | 2017-09-11 | 2017-09-11 | Inner presser foot mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813939.3A CN109487447B (en) | 2017-09-11 | 2017-09-11 | Inner presser foot mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109487447A true CN109487447A (en) | 2019-03-19 |
| CN109487447B CN109487447B (en) | 2021-12-28 |
Family
ID=65687588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710813939.3A Active CN109487447B (en) | 2017-09-11 | 2017-09-11 | Inner presser foot mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109487447B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0838763A (en) * | 1994-07-28 | 1996-02-13 | Aisin Seiki Co Ltd | Fabric presser device for sewing machine |
| CN204803528U (en) * | 2015-07-10 | 2015-11-25 | 启翔股份有限公司 | Sewing machine's interior presser foot mechanism |
| CN204803527U (en) * | 2015-06-17 | 2015-11-25 | 启翔股份有限公司 | Sewing machine's interior presser foot device |
| CN207468857U (en) * | 2017-09-11 | 2018-06-08 | 启翔股份有限公司 | Interior presser foot device |
| TWI650461B (en) * | 2017-09-06 | 2019-02-11 | 啟翔股份有限公司 | Inner presser foot mechanism |
-
2017
- 2017-09-11 CN CN201710813939.3A patent/CN109487447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0838763A (en) * | 1994-07-28 | 1996-02-13 | Aisin Seiki Co Ltd | Fabric presser device for sewing machine |
| CN204803527U (en) * | 2015-06-17 | 2015-11-25 | 启翔股份有限公司 | Sewing machine's interior presser foot device |
| CN204803528U (en) * | 2015-07-10 | 2015-11-25 | 启翔股份有限公司 | Sewing machine's interior presser foot mechanism |
| TWI650461B (en) * | 2017-09-06 | 2019-02-11 | 啟翔股份有限公司 | Inner presser foot mechanism |
| CN207468857U (en) * | 2017-09-11 | 2018-06-08 | 启翔股份有限公司 | Interior presser foot device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109487447B (en) | 2021-12-28 |
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