CN212560681U - Thread clamping structure and sewing machine with same - Google Patents
Thread clamping structure and sewing machine with same Download PDFInfo
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- CN212560681U CN212560681U CN202020857962.XU CN202020857962U CN212560681U CN 212560681 U CN212560681 U CN 212560681U CN 202020857962 U CN202020857962 U CN 202020857962U CN 212560681 U CN212560681 U CN 212560681U
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Abstract
The utility model provides a press from both sides line structure and have its sewing machine, wherein, press from both sides line structrual installation on sewing machine's organism for centre gripping or release sewing thread, press from both sides the line structure and include: the sewing machine comprises a first thread clamping assembly, a second thread clamping assembly and a control device, wherein the first thread clamping assembly is provided with a first clamping space for clamping sewing threads, and at least part of the first thread clamping assembly is movably arranged so as to adjust the size of the first clamping space; the second wire clamping assembly is positioned on the side of the first wire clamping assembly and is provided with a second clamping space, and at least part of the second wire clamping assembly is movably arranged so as to adjust the size of the second clamping space; the driving assembly is in driving connection with the first thread clamping assembly and the second thread clamping assembly respectively to drive the first thread clamping assembly and the second thread clamping assembly to move, and the problem that tension of sewing threads is overlarge when the threads are cut by a sewing machine in the prior art is solved.
Description
Technical Field
The utility model relates to a sewing machine field particularly, relates to a thread clamping structure and have its sewing machine.
Background
At present, in a sewing machine, two thread clamping parts are provided in the thread cutting process, as shown in fig. 1 and 2, one is a main thread clamping device 100, and the other is an auxiliary thread clamping device 200, and when a sewing thread is cut, generally, the sewing machine adopts the main thread clamping device 100 to loosen the thread, and the auxiliary thread clamping device 200 keeps clamping the sewing thread.
However, in the above-mentioned solution, since the auxiliary thread cutting device has a certain clamping function on the sewing thread during thread cutting, the tension of the sewing thread during thread cutting is unstable, and further the length of the following sewing thread after thread cutting is unstable or the sewing thread is broken in advance due to excessive tension, thereby causing thread breakage during sewing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a press from both sides line structure and have its sewing machine to solve the sewing machine among the prior art when the trimming, the too big problem of tension of sewing thread.
In order to achieve the above object, according to an aspect of the present invention, there is provided a thread tension structure installed on a body of a sewing machine for clamping or releasing a sewing thread, the thread tension structure including: the sewing machine comprises a first thread clamping assembly, a second thread clamping assembly and a control device, wherein the first thread clamping assembly is provided with a first clamping space for clamping sewing threads, and at least part of the first thread clamping assembly is movably arranged so as to adjust the size of the first clamping space; the second wire clamping assembly is positioned on the side of the first wire clamping assembly and is provided with a second clamping space, and at least part of the second wire clamping assembly is movably arranged so as to adjust the size of the second clamping space; and the driving assembly is in driving connection with the first wire clamping assembly and the second wire clamping assembly respectively so as to drive the first wire clamping assembly and the second wire clamping assembly to move.
Further, the driving assembly further includes: the first driving rod is connected with the clamping plate of the first wire clamping assembly so as to push the clamping plate of the first wire clamping assembly to move through the first driving rod, and the size of the first clamping space is adjusted; the second driving rod is connected with the clamping plate of the second wire clamping assembly so as to push the clamping plate of the second wire clamping assembly to move through the second driving rod, and the size of the second clamping space is adjusted; the first driving rod is connected with the first portion of the connecting component, the end, far away from the first wire clamping assembly, of the first driving rod is connected with the second portion of the connecting component, the end, far away from the second wire clamping assembly, of the second driving rod is connected with the second portion of the connecting component, and the connecting component is movably arranged along a first preset direction so as to drive the first driving rod and the second driving rod to move through the connecting component.
Further, the driving assembly further includes: and the electromagnetic iron core is movably arranged along the second preset direction under the action of electromagnetic force, and the connecting part is connected with the electromagnetic iron core so as to push the connecting part to move through the electromagnetic iron core.
Further, the connecting member includes: the first end of the first connecting piece is connected with the first driving rod, and the second end of the first connecting piece is connected with the electromagnetic iron core; and the first end of the second connecting piece is connected with the second driving rod, and the second end of the second connecting piece is connected with the electromagnetic iron core.
Further, the connecting member further includes: the transition piece, first connecting piece and second connecting piece pass through the transition piece and connect, and electromagnetic core's drive end is connected with the transition piece to drive first connecting piece and second connecting piece through the transition piece and remove.
Further, the transition piece comprises a first plate body, a second plate body and a third plate body which are connected in sequence, a mounting groove is formed among the first plate body, the second plate body and the third plate body, at least part of the electromagnetic iron core is connected in the mounting groove, the first connecting piece is connected to the second body, and the second connecting piece is connected to the first plate body or the third plate body.
Furthermore, the first wire clamping assembly is provided with a first wire clamping plate and a second wire clamping plate, the first clamping space is arranged between the first wire clamping plate and the second wire clamping plate, and the first driving rod is in driving connection with the second wire clamping plate; the first wire clamping assembly further comprises: the first adjusting component is arranged on the plate surface of the second clamping plate far away from the first clamping plate, and at least part of the first driving rod penetrates through the second clamping plate and then is in driving connection with the first adjusting component; at least part of the first adjusting part is telescopically arranged so as to push the second clamping plate to move towards the direction close to the first clamping plate by the elastic force of the first adjusting part when the first driving rod moves towards the direction far away from the second clamping plate.
Further, the second wire clamping assembly is provided with a third wire clamping plate and a fourth wire clamping plate, and the second clamping space is arranged between the third wire clamping plate and the fourth wire clamping plate; the second wire clamping assembly further comprises: the compression spring plate is arranged on the surface, away from the third clamping plate, of the fourth clamping plate, the compression spring plate is abutted to the fourth clamping plate, and at least part of the second driving rod penetrates through the fourth clamping plate and then is in driving connection with the compression spring plate.
Further, the second wire clamping assembly further comprises: the second adjusting component is arranged on the plate surface of the compression spring plate far away from the fourth clamping plate, and at least part of the second adjusting component is arranged in a telescopic mode so as to push the compression spring plate to move towards the direction close to the fourth clamping plate through the elastic restoring force of the second adjusting component.
According to another aspect of the present invention, there is provided a sewing machine, comprising a thread clamping structure, the thread clamping structure is the above thread clamping structure.
By applying the technical scheme of the utility model, the thread clamping structure is arranged on the machine body of the sewing machine and used for clamping or releasing the sewing thread, wherein the thread clamping structure comprises a first thread clamping component, a second thread clamping component and a driving component, the first thread clamping component is provided with a first clamping space for clamping the sewing thread, and at least part of the first thread clamping component is movably arranged to adjust the size of the first clamping space; the second wire clamping assembly is positioned on the side of the first wire clamping assembly and is provided with a second clamping space, and at least part of the second wire clamping assembly is movably arranged so as to adjust the size of the second clamping space; the driving assembly is respectively in driving connection with the first wire clamping assembly and the second wire clamping assembly so as to drive the first wire clamping assembly and the second wire clamping assembly to move. The first thread clamping assembly and the second thread clamping assembly can be driven to act simultaneously through the driving assembly, and the sewing thread can be clamped or released simultaneously, so that the problem that the sewing thread is broken in advance due to overlarge tension when the sewing thread is required to be cut is avoided.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a front view of a prior art clip line construction;
FIG. 2 shows a side view of a prior art clip line construction;
fig. 3 shows a schematic structural view of an embodiment of the sewing machine according to the present invention;
fig. 4 shows a schematic structural view of an embodiment of a wire clamping structure according to the invention;
fig. 5 shows a first state diagram of the wire clamping structure according to the invention; and
fig. 6 shows a second state diagram of the wire clamping structure according to the invention.
Wherein the figures include the following reference numerals:
1. a first wire clamping assembly; 10. a first clamping space; 11. a first clamping plate; 12. a second clamping plate; 13. a first adjustment member; 14. an auxiliary plate;
2. a second wire clamping assembly; 20. a second clamping space; 21. a third wire clamping plate; 22. a fourth wire clamping plate; 23. a compression spring plate; 24. a mounting member; 240. a guide opening; 25. a second adjustment member; 26. an elastic member;
3. a drive assembly; 31. a first drive lever; 32. a second drive lever; 33. a connecting member; 34. an electromagnetic core; 331. a first connecting member; 332. a second connecting member; 333. a transition piece.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a thread clamping structure please refer to fig. 3 to 6, installs on sewing machine's organism for the centre gripping or release sewing thread, and thread clamping structure includes: a first thread clamping assembly 1, wherein the first thread clamping assembly 1 is provided with a first clamping space 10 for clamping sewing threads, and at least part of the first thread clamping assembly 1 is movably arranged so as to adjust the size of the first clamping space 10; the second wire clamping assembly 2 is positioned on the side of the first wire clamping assembly 1, the second wire clamping assembly 2 is provided with a second clamping space 20, and at least part of the second wire clamping assembly 2 is movably arranged to adjust the size of the second clamping space 20; and the driving component 3 is respectively in driving connection with the first wire clamping component 1 and the second wire clamping component 2 so as to drive the first wire clamping component 1 and the second wire clamping component 2 to move.
According to the utility model provides a thread clamping structure, install on sewing machine's organism for the centre gripping or release sewing thread, wherein, thread clamping structure includes first thread clamping component 1, second thread clamping component 2 and drive assembly 3, first thread clamping component 1 has the first centre gripping space 10 that is used for centre gripping sewing thread, at least part of first thread clamping component 1 movably sets up, in order to adjust the size of first centre gripping space 10; the second wire clamping assembly 2 is positioned at the side of the first wire clamping assembly 1, the second wire clamping assembly 2 is provided with a second clamping space 20, and at least part of the second wire clamping assembly 2 is movably arranged to adjust the size of the second clamping space 20; the driving assembly 3 is respectively connected with the first wire clamping assembly 1 and the second wire clamping assembly 2 in a driving mode so as to drive the first wire clamping assembly 1 and the second wire clamping assembly 2 to move. The arrangement can simultaneously drive the first thread clamping assembly 1 and the second thread clamping assembly 2 to act through the driving assembly 3, and simultaneously clamp or release the sewing thread, so that when the sewing thread is required to be cut, the problem that the sewing thread is broken in advance due to overlarge tension is avoided.
Specifically, the drive assembly 3 further includes: the first driving rod 31, the first driving rod 31 is connected with the clamping plate of the first wire clamping assembly 1, so that the clamping plate of the first wire clamping assembly 1 is pushed to move through the first driving rod 31, and the size of the first clamping space 10 is adjusted; the second driving rod 32 is connected with the clamping plate of the second wire clamping assembly 2, so that the clamping plate of the second wire clamping assembly 2 is pushed to move through the second driving rod 32, and the size of the second clamping space 20 is adjusted; and a connecting part 33, wherein one end of the first driving rod 31 far away from the first wire clamping assembly 1 is connected with a first part of the connecting part 33, one end of the second driving rod 32 far away from the second wire clamping assembly 2 is connected with a second part of the connecting part 33, and the connecting part 33 is movably arranged along a first preset direction so as to drive the first driving rod 31 and the second driving rod 32 to move through the connecting part 33. The arrangement can keep the synchronism of the first driving rod 31 and the second driving rod 32 through the connecting part 33 so as to simultaneously control the actions of the first wire clamping assembly and the second wire clamping assembly.
In the implementation, the driving assembly 3 further includes: and an electromagnet core 34, the electromagnet core 34 being movably disposed along the second predetermined direction by an electromagnetic force, and the connection member 33 being connected to the electromagnet core 34 to push the connection member 33 to move through the electromagnet core 34.
In the embodiment provided by the present invention, the connecting member 33 includes: a first connecting member 331, a first end of the first connecting member 331 is connected to the first driving rod 31, and a second end of the first connecting member 331 is connected to the electromagnetic core 34; and a second link 332, wherein a first end of the second link 332 is connected to the second driving rod 32, and a second end of the second link 332 is connected to the electromagnet core 34.
Specifically, in order to facilitate the driving of the first driving rod and the second driving rod by the electromagnet core, the connecting member 33 further includes: the transition piece 333, the first connecting piece 331 and the second connecting piece 332 are connected through the transition piece 333, and the driving end of the electromagnetic core 34 is connected with the transition piece 333 so as to drive the first connecting piece 331 and the second connecting piece 332 to move through the transition piece 333.
In the embodiment provided by the present invention, the transition piece 333 includes a first plate body, a second plate body and a third plate body connected in sequence, a mounting groove is formed between the first plate body, the second plate body and the third plate body, at least a portion of the electromagnetic core 34 is connected in the mounting groove, the first connecting piece 331 is connected to the second body, and the second connecting piece 332 is connected to the first plate body or the third plate body. The structure that sets up like this saves installation space, the equipment of the structure of being convenient for press from both sides the line.
In the specific implementation process, the first wire clamping assembly 1 is provided with a first wire clamping plate 11 and a second wire clamping plate 12, the first clamping space 10 is arranged between the first wire clamping plate 11 and the second wire clamping plate 12, and the first driving rod 31 is in driving connection with the second wire clamping plate 12; the first wire clamping assembly 1 further comprises: the first adjusting component 13 is arranged on the plate surface of the second clamping plate 12 far away from the first clamping plate 11, and at least part of the first driving rod 31 penetrates through the second clamping plate 12 and then is in driving connection with the first adjusting component 13; at least a portion of the first adjustment member 13 is telescopically arranged to urge the second clamping plate 12 to move toward the direction approaching the first clamping plate 11 by the elastic force of the first adjustment member 13 when the first driving lever 31 moves toward the direction away from the second clamping plate 12. Wherein, first regulating part 13 includes regulating spring and rotary part, and regulating spring's first end butt is on second clamp plate 12, and regulating spring's second end is connected with rotary part, and second clamp plate 12, regulating spring and rotary part overlap in proper order and establish on the installation pole, preferably, rotary part and installation pole threaded connection.
In another embodiment of the present invention, the first thread clamping assembly 1 further includes an auxiliary plate 14, a first portion of the auxiliary plate 14 is installed on the mounting plate of the sewing machine, an elastic sheet is provided between the auxiliary plate 14 and the mounting plate, two ends of the elastic sheet are respectively abutted against the mounting plate and the auxiliary plate 14, wherein an ejector pin opposite to the second thread clamping plate 12 is installed on the auxiliary plate 14, the first driving rod 31 is connected with the auxiliary plate 14, so as to push the ejector pin through pushing the auxiliary plate 14, the ejector pin pushes the second thread clamping plate 12 towards a direction away from the first thread clamping plate 11, when the sewing thread needs to be tightened, the elastic force of the elastic sheet is utilized to push the auxiliary plate 14 to drive the ejector pin to keep away from the second thread clamping plate 12.
In specific implementation, the second wire clamping assembly 2 has a third wire clamping plate 21 and a fourth wire clamping plate 22, and the second clamping space 20 is arranged between the third wire clamping plate 21 and the fourth wire clamping plate 22; the second wire clamping assembly 2 further comprises: the compression spring plate 23 is arranged on the surface, away from the third clamping plate 21, of the fourth clamping plate 22, the compression spring plate 23 abuts against the fourth clamping plate 22, and at least part of the second driving rod 32 penetrates through the fourth clamping plate 22 and then is in driving connection with the compression spring plate 23.
The second wire clamping assembly 2 further comprises: and a second adjusting member 25, wherein the second adjusting member 25 is installed on the plate surface of the compression spring plate 23 far away from the fourth clamping plate 22, and at least part of the second adjusting member 25 is telescopically arranged to push the compression spring plate 23 to move towards the direction close to the fourth clamping plate 22 by the elastic restoring force of the second adjusting member 25. Preferably, the second adjusting member includes an elastic member 26, an adjusting nut and a mounting member 24, the third clamping plate 21, the fourth clamping plate 22, the compression spring plate 23, the elastic member 26 and the adjusting nut are sequentially mounted on the mounting member 24, the adjusting nut is in threaded connection with the mounting member 24, a first end of the elastic member 26 is connected with the adjusting nut, and a second end of the elastic member 26 is connected with the compression spring plate 23, so that when the second driving rod moves in a direction away from the compression spring plate 23, the compression spring plate 23 is pushed by the elastic force of the elastic member 26 to move in a direction close to the fourth clamping plate 22, and the compression spring plate 23 pushes the fourth clamping plate 22 to move in a direction close to the third clamping plate 21. The arrangement can facilitate the sewing machine to always keep pressing the fourth clamping plate 22 by the elastic component 26 in the sewing process, and meanwhile, the acting force applied to the fourth clamping plate 22 by the pressure spring plate 23 can be adjusted through the adjusting nut.
In order to facilitate the movement of the compression spring plate 23, the mounting member 24 is provided with a guide opening 240, the extension direction of the guide opening 240 is consistent with the extension direction of the mounting member 24, and at least a part of the compression spring plate 23 passes through the guide opening 240 and then is connected with the mounting member 24, so that the compression spring plate 23 moves along the extension direction of the guide opening 240.
The utility model also provides a sewing machine, including the trapping structure, the trapping structure is the trapping structure of above-mentioned embodiment.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
according to the utility model provides a thread clamping structure, install on sewing machine's organism for the centre gripping or release sewing thread, wherein, thread clamping structure includes first thread clamping component 1, second thread clamping component 2 and drive assembly 3, first thread clamping component 1 has the first centre gripping space 10 that is used for centre gripping sewing thread, at least part of first thread clamping component 1 movably sets up, in order to adjust the size of first centre gripping space 10; the second wire clamping assembly 2 is positioned at the side of the first wire clamping assembly 1, the second wire clamping assembly 2 is provided with a second clamping space 20, and at least part of the second wire clamping assembly 2 is movably arranged to adjust the size of the second clamping space 20; the driving assembly 3 is respectively connected with the first wire clamping assembly 1 and the second wire clamping assembly 2 in a driving mode so as to drive the first wire clamping assembly 1 and the second wire clamping assembly 2 to move. The arrangement can simultaneously drive the first thread clamping assembly 1 and the second thread clamping assembly 2 to act through the driving assembly 3, and simultaneously clamp or release the sewing thread, so that when the sewing thread is required to be cut, the problem that the sewing thread is broken in advance due to overlarge tension is avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A thread tension structure installed on a body of a sewing machine for clamping or releasing a sewing thread, comprising:
a first thread clamping assembly (1), wherein the first thread clamping assembly (1) is provided with a first clamping space (10) for clamping sewing threads, and at least part of the first thread clamping assembly (1) is movably arranged so as to adjust the size of the first clamping space (10);
the second wire clamping assembly (2) is positioned on the lateral side of the first wire clamping assembly (1), the second wire clamping assembly (2) is provided with a second clamping space (20), and at least part of the second wire clamping assembly (2) is movably arranged to adjust the size of the second clamping space (20);
the driving assembly (3) is in driving connection with the first wire clamping assembly (1) and the second wire clamping assembly (2) respectively so as to drive the first wire clamping assembly (1) and the second wire clamping assembly (2) to move.
2. The wire clamping structure according to claim 1, wherein the driving assembly (3) further comprises:
the first driving rod (31), the first driving rod (31) is connected with the clamping plate of the first clamping assembly (1) so as to push the clamping plate of the first clamping assembly (1) to move through the first driving rod (31) to adjust the size of the first clamping space (10);
the second driving rod (32), the second driving rod (32) is connected with the clamping plate of the second wire clamping assembly (2) so as to push the clamping plate of the second wire clamping assembly (2) to move through the second driving rod (32), and therefore the size of the second clamping space (20) is adjusted;
the connecting component (33), the end of the first driving rod (31) far away from the first wire clamping assembly (1) is connected with the first part of the connecting component (33), the end of the second driving rod (32) far away from the second wire clamping assembly (2) is connected with the second part of the connecting component (33), and the connecting component (33) is movably arranged along a first preset direction so as to drive the first driving rod (31) and the second driving rod (32) to move through the connecting component (33).
3. The wire clamping structure according to claim 2, wherein the drive assembly (3) further comprises:
the electromagnetic iron core (34), under the effect of electromagnetic force, the electromagnetic iron core (34) is along the movably setting of second predetermined direction, connecting part (33) with electromagnetic iron core (34) are connected, in order to pass through electromagnetic iron core (34) promotes connecting part (33) remove.
4. The wire clamping structure according to claim 3, wherein the connecting member (33) comprises:
a first connecting piece (331), a first end of the first connecting piece (331) is connected with the first driving rod (31), and a second end of the first connecting piece (331) is connected with the electromagnetic core (34);
a second connecting member (332), wherein a first end of the second connecting member (332) is connected to the second driving rod (32), and a second end of the second connecting member (332) is connected to the electromagnet core (34).
5. The wire clamping structure according to claim 4, wherein the connecting member (33) further comprises:
the first connecting piece (331) and the second connecting piece (332) are connected through the transition piece (333), and the driving end of the electromagnetic iron core (34) is connected with the transition piece (333) so as to drive the first connecting piece (331) and the second connecting piece (332) to move through the transition piece (333).
6. The wire clamping structure according to claim 5, wherein the transition piece (333) comprises a first plate body, a second plate body and a third plate body which are connected in sequence, a mounting groove is formed among the first plate body, the second plate body and the third plate body, at least part of the electromagnetic core (34) is connected in the mounting groove, the first connecting piece (331) is connected to the second body, and the second connecting piece (332) is connected to the first plate body or the third plate body.
7. The clamping arrangement according to claim 2, characterized in that the first clamping assembly (1) has a first clamping plate (11) and a second clamping plate (12), the first clamping space (10) being provided between the first clamping plate (11) and the second clamping plate (12), the first drive rod (31) being in driving connection with the second clamping plate (12); the first wire clamping assembly (1) further comprises:
the first adjusting component (13), the first adjusting component (13) is arranged on the plate surface of the second clamping plate (12) far away from the first clamping plate (11), and at least part of the first driving rod (31) penetrates through the second clamping plate (12) and then is in driving connection with the first adjusting component (13); at least a part of the first adjusting part (13) is telescopically arranged to push the second clamping plate (12) to move towards a direction approaching the first clamping plate (11) by an elastic force of the first adjusting part (13) when the first driving rod (31) moves towards a direction away from the second clamping plate (12).
8. The clamping arrangement according to claim 2, characterized in that the second clamping assembly (2) has a third clamping plate (21) and a fourth clamping plate (22), the second clamping space (20) being provided between the third clamping plate (21) and the fourth clamping plate (22); the second wire clamping assembly (2) further comprises:
the compression spring plate (23), the compression spring plate (23) sets up fourth clamp (22) is kept away from on the face of third clamp (21), compression spring plate (23) with fourth clamp (22) butt, at least part of second drive lever (32) pass behind fourth clamp (22) with compression spring plate (23) drive connection.
9. The wire clamping structure according to claim 8, characterized in that the second wire clamping assembly (2) further comprises:
a second adjusting member (25), wherein the second adjusting member (25) is installed on the plate surface of the compression spring plate (23) far away from the fourth clamping plate (22), and at least part of the second adjusting member (25) is arranged in a telescopic manner so as to push the compression spring plate (23) to move towards the direction close to the fourth clamping plate (22) through the elastic restoring force of the second adjusting member (25).
10. A sewing machine comprising a thread take-up structure, characterized in that it is a thread take-up structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857962.XU CN212560681U (en) | 2020-05-20 | 2020-05-20 | Thread clamping structure and sewing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857962.XU CN212560681U (en) | 2020-05-20 | 2020-05-20 | Thread clamping structure and sewing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212560681U true CN212560681U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857962.XU Active CN212560681U (en) | 2020-05-20 | 2020-05-20 | Thread clamping structure and sewing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212560681U (en) |
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2020
- 2020-05-20 CN CN202020857962.XU patent/CN212560681U/en active Active
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