CN206376099U - A kind of thread releasing mechanism of sewing machine - Google Patents
A kind of thread releasing mechanism of sewing machine Download PDFInfo
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- CN206376099U CN206376099U CN201621360116.7U CN201621360116U CN206376099U CN 206376099 U CN206376099 U CN 206376099U CN 201621360116 U CN201621360116 U CN 201621360116U CN 206376099 U CN206376099 U CN 206376099U
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- loose ends
- thread tension
- clamp
- thread
- disc
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Abstract
The utility model belongs to sewing machine technique field, refers specifically to a kind of thread releasing mechanism of sewing machine, including the line plate excessively being fixed on head；Cross and multiple clamp device assemblies with back-moving spring are provided with line plate, it was movably arranged on line plate and had bevelled thread tension releasing disc, it is resisted against the loose ends push rod on thread tension releasing disc inclined-plane, the other end of loose ends push rod is passed through after the thread tension disc in clamp device assembly and abutted with loose ends piece, and the drive device of driving loose ends push rod top shredding line piece is provided with head；Drive device includes being flexibly connected with thread tension releasing disc and the thread tension releasing lever rod of eccentric setting and the arm-tie for driving thread tension releasing disc rotation, pulls arm-tie to rotate thread tension releasing lever rod, the inclined-plane of thread tension releasing disc is moved, and driving loose ends push rod opens loose ends piece top, realizes that loose ends is acted；Complete after loose ends, the loose ends sheet reset in the presence of back-moving spring, loose ends piece is also completed reset；The purpose of this utility model is to provide a kind of simple in construction, thread releasing mechanism of the sewing machine of stabilization easy to adjust.
Description
Technical field
The utility model belongs to sewing machine technique field, refers specifically to a kind of thread releasing mechanism of sewing machine.
Background technology
Sewing machine is in normal work, and suture is located between two thread tension discs in clamp device assembly, when sewer makes knots
, it is necessary to which presser foot lifter loose ends takes out cloth during beam.Now, loose ends is carried out by thread-loosening device.Loose ends side on existing sewing machine
Formula is to drive loose ends crank by thread tension releasing lever rod and then move down thread tension releasing disc, the loose ends piece on thread tension releasing disc is acted on two clamps
Between piece, two thread tension discs are separately completed into loose ends action.Existing thread releasing mechanism exists complicated, and number of parts is more, peace
Dress trouble, it is impossible to the flexibly action of control clamp, is easily caused different in size during trimming, the sewing quality of reduction sewing machine.
The content of the invention
In order to overcome defect of the prior art, the purpose of this utility model is to provide a kind of simple in construction, regulation side
Just the thread releasing mechanism for the sewing machine stablized.
What the purpose of this utility model was realized in：
A kind of thread releasing mechanism of sewing machine, including the line plate excessively being fixed on head；Crossing to be provided with line plate multiple has
The clamp device assembly of back-moving spring, it is characterised in that：Also include being movably arranged on line plate and having bevelled thread tension releasing disc, support
Lean against the loose ends push rod on thread tension releasing disc inclined-plane, the other end of the loose ends push rod through after the thread tension disc in clamp device assembly and with
Loose ends piece is abutted, and the drive device of driving loose ends push rod top shredding line piece is provided with head；The drive device includes and pine
Line plate is flexibly connected and the thread tension releasing lever rod of eccentric setting and the arm-tie for driving thread tension releasing disc rotation, pulls arm-tie to rotate thread tension releasing lever rod,
The inclined-plane of thread tension releasing disc is moved, driving loose ends push rod opens loose ends piece top, realize that loose ends is acted；Complete after loose ends, multiple
Loose ends sheet reset in the presence of the spring of position, makes the loose ends piece of clamp device assembly also complete to reset.
The utility model is further arranged to：It is provided with 2 road inclined-planes on the thread tension releasing disc, 2 road inclined-planes are in the shape of the letter V arrangement,
Cross and multiple spaced clamp device assemblies corresponding with inclined-plane are provided with line plate.
The utility model is further arranged to：Longitudinally disposed bar hole is provided with the thread tension releasing disc, screw passes through bar
Thread tension releasing disc was movably connected on line plate by shape hole, and thread tension releasing lever rod driving thread tension releasing disc moves up and down along bar hole longitudinal direction.
The utility model is further arranged to：The clamp device assembly includes the clamp axle being arranged on line plate, sets
Thread tension disc, loose ends piece, clamp platen and tension disk nut on clamp axle, are provided between clamp platen and tension disk nut
Loose ends piece is compressed on thread tension disc by back-moving spring, back-moving spring by clamp platen；One end of loose ends push rod is resisted against loose ends
On plate inclined-plane, the other end is abutted with clamp platen.
The utility model is further arranged to：The clamp axle is hollow to be set, and is extended radially through and is set on the head end face of clamp axle
Groove is equipped with, groove extends to the tail end of clamp axle, and the bar that compresses being adapted to groove, clamp are provided with the middle part of the clamp platen
Platen is set on clamp axle, and loose ends push rod is set in clamp axle, and the other end of loose ends push rod, which is connected to, to be compressed on bar, is compressed
Bar is slided in groove.
The utility model is further arranged to：The other end of the arm-tie is connected with thick stick before lever before presser foot lifter, presser foot lifter
Bar driving presser foot lifter component realizes the action lifted and depressed.
The utility model is further arranged to：One end of the arm-tie is connected with the knee control lever of control arm-tie movement, knee control
Bar is hinged by connecting one end of lever and arm-tie.
The utility model is further arranged to：Pressure foot lifting axle is provided with the head, one end of pressure foot lifting axle is consolidated
Surely there is the presser feet spanner cam that can be swung around pressure foot lifting axle, the other end of pressure foot lifting axle stretches out head, and is fixed thereon
Spanner is connected with, the presser feet spanner cam abuts setting with lever before presser foot lifter.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：By pulling arm-tie to turn thread tension releasing lever rod
It is dynamic, the inclined-plane of thread tension releasing disc is moved, driving loose ends push rod opens loose ends piece top, realize that loose ends is acted；Complete after loose ends,
Loose ends sheet reset in the presence of back-moving spring, makes the loose ends piece of clamp device assembly also complete to reset again the whole loose ends of clamp completion
Process, it is simple in construction, it is easy to operate；This Standard is convenient simultaneously, reduces production cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation that the utility model removes head；
Fig. 3 is sectional view of the present utility model；
Fig. 4 is the A portions enlarged drawing in Fig. 3；
Fig. 5 is the structural representation of the utility model thread tension releasing disc；
Fig. 6 is the structural representation of the utility model clamp axle；
Fig. 7 is the structural representation of the utility model clamp platen.
Label implication in figure：
1- heads；2- crosses line plate；3- thread tension releasing discs；31- inclined-planes；32- bar holes；4- clamp device assemblies；
41- loose ends push rods；42- thread tension discs；43- loose ends pieces；44- clamp axles；45- grooves；
46- clamp platens；461- compresses bar；47- tension disk nuts；48- back-moving springs；5- arm-ties；
6- connecting rods；7- screws；Lever before 8- presser foot lifters；9- knee control levers；10- pressure foot lifting axles；
11- presser feet spanner cams；12- spanners；13- presser foot lifter components；131- presser feets；14- thread tension releasing lever rods；
15- connection levers.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings：
Referring to shown in Fig. 1 to Fig. 7, a kind of thread releasing mechanism of sewing machine, including be fixed on head 1 and cross line plate 2；Cross line
Multiple clamp device assemblies 4 with back-moving spring 48 are provided with plate 2, it is characterised in that：Also include being movably arranged on line plate 2
Thread tension releasing disc 3 upper and with inclined-plane 31, is resisted against the loose ends push rod 41 on the inclined-plane 31 of thread tension releasing disc 3, the loose ends push rod 41 it is another
One end is passed through after the thread tension disc 42 in clamp device assembly 4 and abutted with loose ends piece 43, and driving loose ends push rod is provided with head 1
The drive device of 41 top shredding line pieces 43；The drive device include be flexibly connected with thread tension releasing disc 3 and eccentric setting thread tension releasing lever rod
14 and the arm-tie 5 that rotates of driving thread tension releasing disc 3, arm-tie 5 is connected by connecting rod 6 with thread tension releasing lever rod 14 in the present embodiment, pulling arm-tie 5
Thread tension releasing lever rod 14 is rotated, the inclined-plane 31 of thread tension releasing disc 3 is moved, driving loose ends push rod 41 opens the top of loose ends piece 43, realizes pine
Line is acted；Complete after loose ends, thread tension releasing disc 3 resets under the action of the return spring 48, makes the loose ends piece 43 of clamp device assembly 4 also complete
Whole loose ends process is completed into clamp is resetted again, it is simple in construction, it is easy to operate；This Standard is convenient simultaneously, reduces life
Produce cost.
It is further arranged to：The road inclined-plane 31 of 2 road inclined-plane 31,2 is provided with the thread tension releasing disc 3 to be in the shape of the letter V arrangement, crosses line plate
Multiple spaced clamp device assemblies 4 corresponding with inclined-plane 31 are provided with 2；The corresponding mistake in per pass inclined-plane 31 in the present embodiment
It is respectively separated on line plate 2 and has been placed equidistant 3 clamp device assemblies 4, the V-shaped knot that suture is made up of this 6 clamp device assemblies 4
After structure, a uniform tension force is played to suture, makes the situation that suture is not in broken string during cabling and loose ends,
Improve the quality of sewing.
It is further arranged to：Longitudinally disposed bar hole 32 is provided with the thread tension releasing disc 3, screw 7 passes through bar hole 32
Thread tension releasing disc 3 was movably connected on line plate 2, the driving thread tension releasing disc 3 of thread tension releasing lever rod 14 moves up and down along the longitudinal direction of bar hole 32.
It is further arranged to：The clamp device assembly 4 includes the clamp axle 44 being arranged on line plate 2, is arranged on clamp
Thread tension disc 42, loose ends piece 43, clamp platen 46 and tension disk nut 47 on axle 44, clamp platen 46 and tension disk nut 47 it
Between be provided with back-moving spring 48, loose ends piece 43 is compressed on thread tension disc 42 by back-moving spring 48 by clamp platen 46；Loose ends top
One end of bar 41 is resisted against on the inclined-plane 31 of thread tension releasing disc 3, and the other end is abutted with clamp platen 46.
It is further arranged to：The clamp axle 44 is hollow to be set, extended radially through on the head end face of clamp axle 44 be provided with it is recessed
Groove 45, groove 45 extends to the tail end of clamp axle 44, and the middle part of the clamp platen 46 is provided with and groove 45 is adapted to compresses bar
461, clamp platen 46 is set on clamp axle 44, and loose ends push rod 41 is set in clamp axle 44, the other end of loose ends push rod 41
It is connected to and compresses on bar 461, compresses bar 461 and slided in groove 45, the head end of clamp axle 44 and tension disk spiral shell in the present embodiment
Mother 47 is fixedly connected.
It is further arranged to：The other end of the arm-tie 5 is connected with lever 8 before lever 8 before presser foot lifter, presser foot lifter and driven
Presser foot lifter component 13 realizes the action lifted and depressed.
It is further arranged to：One end of the arm-tie 5 is connected with the knee control lever 9 that control arm-tie 5 is moved, and knee control lever 9 passes through
One end of connection lever 15 and arm-tie 5 is hinged.
It is further arranged to：Pressure foot lifting axle 10 is provided with the head 1, one end of pressure foot lifting axle 10 is fixed with can
The presser feet spanner cam 11 swung around pressure foot lifting axle 10, the other end of pressure foot lifting axle 10 stretches out head 1, and is fixed thereon
Spanner 12 is connected with, the presser feet spanner cam 11 abuts setting with lever before presser foot lifter 8；Presser foot lifter is driven by spanner 12
One end of preceding lever 8 is lifted, and driving presser feet 131 is lifted, while the other end driving arm-tie 5 of lever 8 is moved to the left before presser foot lifter,
Driving thread tension releasing lever rod 14 drives thread tension releasing disc 3 to move down, and the top pressure loose ends push rod 41 of inclined-plane 31 of thread tension releasing disc 3 pushes up loose ends push rod 41
Clamp platen 46 is opened, loose ends piece 43 is separated with thread tension disc 42, realize that loose ends is acted；Spanner 12 resets, and realizes under presser feet 131
Work is pressed, while driving arm-tie 5 to reset, driving thread tension releasing lever rod 14 drives thread tension releasing disc 3 to move up, under the action of the return spring 48
Clamp platen 46 resets loose ends push rod 41 and loose ends piece 43, and the loose ends piece 43 and thread tension disc 42 for making clamp device assembly 4 have been compressed
Into reset, while lever 8 resets before presser foot lifter, the pressing action of presser feet 131 is realized.
During operation, the other end of the drive connection lever 15 of top pressure knee control lever 9 turns left, and drives arm-tie 5 to be moved to the left, and drives
Dynamic thread tension releasing lever rod 14 drives thread tension releasing disc 3 to move down, the top pressure loose ends push rod 41 of inclined-plane 31 of thread tension releasing disc 3, opens the top of loose ends push rod 41
Clamp platen 46, loose ends piece 43 is separated with thread tension disc 42, realizes that loose ends is acted, and is realized and is pressed simultaneously also by lever before presser foot lifter 8
The lift action of pin 131；Complete after loose ends, unclamp knee control lever 9, the other end of connection lever 15 resets, and drives arm-tie 5 to reset,
Driving thread tension releasing lever rod 14 drives thread tension releasing disc 3 to move up, and clamp platen 46 is by the He of loose ends push rod 41 under the action of the return spring 48
Loose ends piece 43 resets, and the loose ends piece 43 and thread tension disc 42 for making clamp device assembly 4 compress completion and resetted, while lever 8 before presser foot lifter
Reset, realize the pressing action of presser feet 131, clamp and complete whole loose ends process again, it is simple in construction, it is easy to operate；Simultaneously
This Standard is convenient, reduces production cost.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (8)
1. a kind of thread releasing mechanism of sewing machine, including the line plate excessively being fixed on head；Cross be provided with line plate it is multiple have it is multiple
The clamp device assembly of position spring, it is characterised in that：Also include being movably arranged on line plate and having bevelled thread tension releasing disc, against
Loose ends push rod on thread tension releasing disc inclined-plane, the other end of the loose ends push rod through after the thread tension disc in clamp device assembly and with pine
Line piece is abutted, and the drive device of driving loose ends push rod top shredding line piece is provided with head；The drive device includes and loose ends
Plate is flexibly connected and the thread tension releasing lever rod of eccentric setting and the arm-tie for driving thread tension releasing disc rotation, is pulled arm-tie to rotate thread tension releasing lever rod, is made
The inclined-plane of thread tension releasing disc is moved, and driving loose ends push rod opens loose ends piece top, realizes that loose ends is acted；Complete after loose ends, resetting
Loose ends sheet reset in the presence of spring, makes the loose ends piece of clamp device assembly also complete to reset.
2. a kind of thread releasing mechanism of sewing machine according to claim 1, it is characterised in that：2 are provided with the thread tension releasing disc
Road inclined-plane, 2 road inclined-planes are in the shape of the letter V arrangement, cross on line plate and are provided with multiple spaced clamp device assemblies corresponding with inclined-plane.
3. a kind of thread releasing mechanism of sewing machine according to claim 1 or 2, it is characterised in that：Set on the thread tension releasing disc
There is longitudinally disposed bar hole, thread tension releasing disc was movably connected on line plate by screw by bar hole, thread tension releasing lever rod driving thread tension releasing disc
Moved up and down along bar hole longitudinal direction.
4. a kind of thread releasing mechanism of sewing machine according to claim 1 or 2, it is characterised in that：The clamp device assembly bag
The clamp axle being arranged on line plate is included, thread tension disc, loose ends piece, clamp platen and tension disk nut on clamp axle is arranged on,
Back-moving spring is provided between clamp platen and tension disk nut, loose ends piece is compressed to clamp by back-moving spring by clamp platen
On piece；One end of loose ends push rod is resisted against on thread tension releasing disc inclined-plane, and the other end is abutted with clamp platen.
5. a kind of thread releasing mechanism of sewing machine according to claim 4, it is characterised in that：The clamp axle is hollow to be set,
Extended radially through on the head end face of clamp axle and set fluted, groove extends to the tail end of clamp axle, is set in the middle part of the clamp platen
The bar that compresses being adapted to groove is equipped with, clamp platen is set on clamp axle, and loose ends push rod is set in clamp axle, loose ends push rod
The other end be connected to and compress on bar, compress bar and slided in groove.
6. a kind of thread releasing mechanism of sewing machine according to claim 1 or 2, it is characterised in that：The other end of the arm-tie
It is connected with lever actuated presser foot lifter component before lever before presser foot lifter, presser foot lifter and realizes the action lifted and depressed.
7. a kind of thread releasing mechanism of sewing machine according to claim 6, it is characterised in that：One end of the arm-tie is connected with
The knee control lever of arm-tie movement is controlled, knee control lever is hinged by connecting one end of lever and arm-tie.
8. a kind of thread releasing mechanism of sewing machine according to claim 7, it is characterised in that：Presser feet is provided with the head
Lift shaft, one end of pressure foot lifting axle is fixed with the presser feet spanner cam that can be swung around pressure foot lifting axle, pressure foot lifting axle it is another
Head is stretched out in one end, and is fixedly connected with thereon spanner, and the presser feet spanner cam abuts setting with lever before presser foot lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360116.7U CN206376099U (en) | 2016-10-10 | 2016-10-10 | A kind of thread releasing mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360116.7U CN206376099U (en) | 2016-10-10 | 2016-10-10 | A kind of thread releasing mechanism of sewing machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621110059.7 Division | 2016-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206376099U true CN206376099U (en) | 2017-08-04 |
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ID=59406759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360116.7U Active CN206376099U (en) | 2016-10-10 | 2016-10-10 | A kind of thread releasing mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206376099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419449A (en) * | 2017-09-19 | 2017-12-01 | 浙江飞凤缝制设备有限公司 | A kind of computer direct-drive formula integrative feeding sewing machine |
-
2016
- 2016-10-10 CN CN201621360116.7U patent/CN206376099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419449A (en) * | 2017-09-19 | 2017-12-01 | 浙江飞凤缝制设备有限公司 | A kind of computer direct-drive formula integrative feeding sewing machine |
| CN107419449B (en) * | 2017-09-19 | 2023-02-17 | 浙江飞凤缝制设备有限公司 | Computer direct-drive type comprehensive feeding sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200710 Address after: 318000 No. 58, Jiaojiang Airport South Road, Taizhou City, Zhejiang Province (Zhejiang Duma sewing machine Co., Ltd.) Patentee after: ZHEJIANG DUMA SEWING MACHINE Co.,Ltd. Address before: 318000, room 1, unit 2, 402 Hui Qu community, Jiaojiang District, Zhejiang, Taizhou Patentee before: Ruan Chenhang |
|
| TR01 | Transfer of patent right |