CN206625010U - A kind of elastic automatic adjusting mechanism of sewing machine surface thread - Google Patents
A kind of elastic automatic adjusting mechanism of sewing machine surface thread Download PDFInfo
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- CN206625010U CN206625010U CN201720296646.8U CN201720296646U CN206625010U CN 206625010 U CN206625010 U CN 206625010U CN 201720296646 U CN201720296646 U CN 201720296646U CN 206625010 U CN206625010 U CN 206625010U
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- connecting rod
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- clamp
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Abstract
A kind of elastic automatic adjusting mechanism of sewing machine surface thread, including tension disk and handle, the tension disk include left regulation wheel, clamp axle, clamp spring, the first cable-clamping disc, the second cable-clamping disc and tension seat；Bindiny mechanism includes first connecting rod, second connecting rod and third connecting rod；The middle part pivot joint of the first connecting rod, the middle part pivot joint of the second connecting rod, the handle includes pulling buckleing and plush copper, the plush copper and the one end fits of the first connecting rod, the other end of first connecting rod and the one end fits of second connecting rod, the other end of second connecting rod and the one end fits of third connecting rod, the other end of third connecting rod is provided with platen, the platen is provided with through hole, and the through hole is enclosed on clamp axle, and the platen is arranged between the first cable-clamping disc and clamp spring.The clamp spring of tension disk can be compressed by handle and bindiny mechanism, so as to remove pressure of the clamp spring to clamping device, the tension force of upper thread can be removed while presser foot lifter, is more convenient threading.
Description
Technical field
Sewing machine is the utility model is related to, especially a kind of elastic automatic adjusting mechanism of sewing machine surface thread.
Background technology
Sewing machine has horn portion and support portion.Horn portion has shank.Shank moves along the vertical direction.Including support portion
Portion has shuttle.Shuttle（Rotating shuttle, shuttle）Rotated with the up and down motion of shank.Shank is provided with eedle in bottom, supplies
To upper thread.Shuttle stores the peg or spindle for being wound with bottom line.Shuttle makes upper thread interweave with the bottom line that peg or spindle is supplied so as to the shape on cloth
Into needle tracking.Spool supplies upper thread towards eedle.Upper thread is via located at the secondary tension disk in horn portion, main tension disk, thread take-up spring, wire
Device, thread take-up tension lever, cable guiding device etc. and through eedle pinprick.Main tension disk applies the tension force needed for sewing in sewing to upper thread；
Secondary tension disk applies the tension force needed for cut-out upper thread in tangent line.Sewing machine needs to remove the tension force of tension disk in threading, makes
Upper thread loosens, convenient that upper thread is carried out to pull threading.There is no the mechanism that tension force is specially removed to tension disk in existing sewing machine, lead
Cause upper thread threading difficult.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of elastic automatic adjusting mechanism of sewing machine surface thread, can
Clamping of the tension disk to upper thread is removed, eliminates the tension force of upper thread.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of sewing machine surface thread is elastic to be automatically adjusted
Mechanism, including tension disk and handle, the tension disk include left regulation wheel, clamp axle, clamp spring, the first cable-clamping disc, the second folder
Drum and tension seat；One end of the clamp axle is provided with external screw thread and coordinated with left regulation wheel, first cable-clamping disc and the second folder
Drum cooperatively forms thread clamping mechanism, and the clamp spring is arranged between the first cable-clamping disc and left regulation wheel, one end of clamp spring
Offseted with the end face of left regulation wheel, the other end of clamp spring offsets with the first cable-clamping disc；The other end of the clamp axle is provided with gear
Bar, the one side of the tension seat contact with the second cable-clamping disc, and tension seat is provided with the spacing hole coordinated with the pin；It is described
Handle is connected by bindiny mechanism with tension disk, and the bindiny mechanism includes first connecting rod, second connecting rod and third connecting rod；It is described
The middle part pivot joint of first connecting rod, the middle part pivot joint of the second connecting rod, the handle include pulling buckleing and plush copper, the plush copper and institute
State the one end fits of first connecting rod, the other end of first connecting rod and the one end fits of second connecting rod, the other end of second connecting rod with
The one end fits of third connecting rod, the other end of third connecting rod are provided with platen, and the platen is provided with through hole, and the through hole is enclosed on folder
On bobbin, the platen is arranged between the first cable-clamping disc and clamp spring.Utility model works principle：But needs remove folder
When line device is to the chucking power of upper thread, pulls pulling for handle and buckle, rotate the plush copper of handle and touch one end of first connecting rod, so as to
First connecting rod is rotated, first connecting rod rotation makes the other end of first connecting rod touch one end of second connecting rod, so that the
Two connecting rods rotate, and second connecting rod rotation touches the other end of second connecting rod and one end of third connecting rod, so as to drive
The disk of the dynamic third connecting rod other end is to the side movement of clamp spring and compression clip wire spring, so as to remove clamp spring to the
The pressure of one cable-clamping disc, upper thread can easily move between the first cable-clamping disc and the second cable-clamping disc.
As an improvement, the internal side of shell face of sewing machine is provided with the first driving rod and the second driving rod, first connecting rod are articulated in
On first driving rod, handle is articulated on the second driving rod.
As an improvement, the tension disk is arranged in tension disk mounting seat, the tension disk mounting seat is provided with the 3rd pivot
Post is connect, second connecting rod is articulated on the 3rd driving rod, and the back-moving spring for resetting second connecting rod is cased with the 3rd driving rod.
As an improvement, the first connecting rod is mutually perpendicular to second connecting rod.
As an improvement, one end that the third connecting rod coordinates with second connecting rod forms vertical stopper, the stopper passes through company
Socket part is connected with platen；One end that the second connecting rod coordinates with third connecting rod is bent to form pushed section, and pushed section coordinates with stopper.
As an improvement, the one side of the tension seat is provided with the groove coordinated with the pin；The tension seat is provided with
The perforation passed through for clamp axle.
As an improvement, the handle links with presser feet shadoof, the tension force of upper thread is removed while presser foot lifter.
Caused beneficial effect is the utility model compared with prior art：
The clamp spring of tension disk can be compressed by handle and bindiny mechanism, so as to remove clamp spring to folder
The pressure of mechanism is held, the tension force of upper thread can be removed while presser foot lifter, is more convenient threading.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model decomposition view.
Embodiment
With reference to Figure of description, the utility model is described in further detail.
As shown in figure 1, a kind of elastic automatic adjusting mechanism of sewing machine surface thread, including tension disk 1, handle 3 and bindiny mechanism
2, the handle 3 is connected by bindiny mechanism 2 with tension disk 1.
As shown in Fig. 2 the tension disk 1 includes left regulation wheel 17, clamp axle 14, clamp spring 16, the first cable-clamping disc 13, the
Two cable-clamping discs 12 and tension seat 11.One end of the clamp axle 14 is provided with external screw thread and coordinated with left regulation wheel 17, is adjusted by rotating
Section wheel 17 can adjust position of the left regulation wheel 17 on clamp axle 14, so as to change the decrement of clamp spring 16.Described first
The cable-clamping disc 12 of cable-clamping disc 13 and second cooperatively forms thread clamping mechanism, upper thread be arranged on the first cable-clamping disc 13 and the second cable-clamping disc 12 it
Between, upper thread is clamped by the first cable-clamping disc 13 and the second cable-clamping disc 12, so that upper thread is tensioned.The clamp spring 16 is set
Between the first cable-clamping disc 13 and left regulation wheel 17, one end and the end face of left regulation wheel 17 of clamp spring 16 offset, clamp spring 16
The other end offseted with the first cable-clamping disc 13, pass through the decrement that left regulation wheel 17 adjusts clamp spring 16.On the tension seat 11
Provided with the perforation passed through for clamp axle 14, the other end of the clamp axle 14 is provided with pin 15, is additionally provided with tension seat 11 and institute
The spacing hole of the cooperation of pin 15 is stated, spacing hole limits the rotation of pin, and then limits clamp axle 14 and rotate, and rotates left regulation wheel 17
When, clamp axle 14 will not follow left regulation wheel 17 to rotate, so left regulation wheel 17 can relatively move on clamp axle 14, work as left regulation wheel
17 toward the side of clamp spring 16 move when, to clamp spring 16 apply pressure, so as to increase the clamping to upper thread of clamping device
Power.
As shown in Fig. 2 the bindiny mechanism 2 includes first connecting rod 21, second connecting rod 22 and third connecting rod 23, three connecting rods
Between by mutually touch realize transmission.The internal side of shell face of sewing machine is provided with the first driving rod and the second driving rod；It is described
The middle part of first connecting rod 21 is pivotally connected on the first driving rod；The handle 3 is articulated on the second driving rod.The tension disk 1 is installed
In tension disk mounting seat, the tension disk mounting seat is provided with the 3rd driving rod, and the middle part of second connecting rod 22 is articulated in the 3rd
The back-moving spring 222 for resetting second connecting rod 22 is cased with driving rod, and on the 3rd driving rod.The first connecting rod 21 and second
Connecting rod 22 is mutually perpendicular to, and realizes the change of transmission direction.The handle 3 includes pulling buckleing 31 and plush copper 32, the plush copper 32 and institute
The one end fits of first connecting rod 21, the other end of first connecting rod 21 and the one end fits of second connecting rod 22 are stated, second connecting rod 22
The one end fits of the other end and third connecting rod 23, the other end of third connecting rod 23 are provided with platen 232, and the platen 232 is provided with
Through hole, the through hole are enclosed on clamp axle 14, and the platen 232 is arranged between the first cable-clamping disc 13 and clamp spring 16.Institute
State one end that third connecting rod 23 coordinates with second connecting rod 22 and form vertical stopper 231, the stopper 231 passes through connecting portion and platen
232 connections；One end that the second connecting rod 22 coordinates with third connecting rod 23 is bent to form pushed section 221, pushed section 221 and stopper 231
Coordinate.
The handle 3 is linked with presser feet shadoof, and the tension force of upper thread can be removed while presser foot lifter, makes threading more square
Just.
Utility model works principle：But when needing to remove tension disk 1 to the chucking power of upper thread, pull pulling for handle 3 and buckle
31, rotate the plush copper of handle 3 and touch one end of first connecting rod 21, so that first connecting rod 21 rotates, first connecting rod
21 rotations make the other end of first connecting rod 21 touch one end of second connecting rod 22, so that second connecting rod 22 rotates, second
One end that connecting rod 22 rotates the other end and third connecting rod 23 that make second connecting rod 22 is touched, so as to drive third connecting rod 23 another
The disk of one end is to the side movement of clamp spring 16 and compression clip wire spring 16, so as to remove clamp spring 16 to the first clamp
The pressure of disk 13, upper thread can easily move between the first cable-clamping disc 13 and the second cable-clamping disc 12.
Claims (7)
1. a kind of elastic automatic adjusting mechanism of sewing machine surface thread, including tension disk and handle, the tension disk includes left regulation wheel, folder
Bobbin, clamp spring, the first cable-clamping disc, the second cable-clamping disc and tension seat；One end of the clamp axle be provided with external screw thread and with tune
Section wheel coordinates, and first cable-clamping disc and the second cable-clamping disc cooperatively form thread clamping mechanism, and the clamp spring is arranged on the first folder
Between drum and left regulation wheel, one end of clamp spring and the end face of left regulation wheel offset, the other end of clamp spring and the first clamp
Disk offsets；The other end of the clamp axle is provided with pin, and the one side of the tension seat contacts with the second cable-clamping disc, on tension seat
Provided with the spacing hole coordinated with the pin；It is characterised by：The handle is connected by bindiny mechanism with tension disk, the connection
Mechanism includes first connecting rod, second connecting rod and third connecting rod；The middle part pivot joint of the first connecting rod, the middle part of the second connecting rod
Pivot joint, the handle include pulling buckle and plush copper, the one end fits of the plush copper and the first connecting rod, the other end of first connecting rod
With the one end fits of second connecting rod, the other end of second connecting rod and the one end fits of third connecting rod, the other end of third connecting rod are set
There is platen, the platen is provided with through hole, and the through hole is enclosed on clamp axle, and the platen is arranged on the first cable-clamping disc and clamp
Between spring.
A kind of 2. elastic automatic adjusting mechanism of sewing machine surface thread according to claim 1, it is characterised in that：The machine of sewing machine
Shell medial surface is provided with the first driving rod and the second driving rod, and first connecting rod is articulated on the first driving rod, and handle is articulated in second
On driving rod.
A kind of 3. elastic automatic adjusting mechanism of sewing machine surface thread according to claim 1, it is characterised in that：The tension disk
In tension disk mounting seat, the tension disk mounting seat is provided with the 3rd driving rod, and second connecting rod is articulated in the 3rd pivot joint
The back-moving spring for resetting second connecting rod is cased with post, and on the 3rd driving rod.
A kind of 4. elastic automatic adjusting mechanism of sewing machine surface thread according to claim 1, it is characterised in that：Described first connects
Bar is mutually perpendicular to second connecting rod.
A kind of 5. elastic automatic adjusting mechanism of sewing machine surface thread according to claim 1, it is characterised in that：Described 3rd connects
One end that bar coordinates with second connecting rod forms vertical stopper, and the stopper is connected by connecting portion with platen；The second connecting rod
The one end coordinated with third connecting rod is bent to form pushed section, and pushed section coordinates with stopper.
A kind of 6. elastic automatic adjusting mechanism of sewing machine surface thread according to claim 1, it is characterised in that：The tension seat
One side be provided with the pin coordinate groove；The tension seat is provided with the perforation passed through for clamp axle.
A kind of 7. elastic automatic adjusting mechanism of sewing machine surface thread according to claim 1, it is characterised in that：The handle with
Presser feet shadoof links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296646.8U CN206625010U (en) | 2017-03-24 | 2017-03-24 | A kind of elastic automatic adjusting mechanism of sewing machine surface thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296646.8U CN206625010U (en) | 2017-03-24 | 2017-03-24 | A kind of elastic automatic adjusting mechanism of sewing machine surface thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206625010U true CN206625010U (en) | 2017-11-10 |
Family
ID=60209863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720296646.8U Active CN206625010U (en) | 2017-03-24 | 2017-03-24 | A kind of elastic automatic adjusting mechanism of sewing machine surface thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206625010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402883A (en) * | 2018-11-26 | 2019-03-01 | 浙江仙都缝制设备有限公司 | A kind of novel domestic sewing machine panel tension disk |
-
2017
- 2017-03-24 CN CN201720296646.8U patent/CN206625010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402883A (en) * | 2018-11-26 | 2019-03-01 | 浙江仙都缝制设备有限公司 | A kind of novel domestic sewing machine panel tension disk |
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