CN209906996U - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN209906996U CN209906996U CN201920425133.1U CN201920425133U CN209906996U CN 209906996 U CN209906996 U CN 209906996U CN 201920425133 U CN201920425133 U CN 201920425133U CN 209906996 U CN209906996 U CN 209906996U
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Abstract
The utility model provides a sewing machine has the gauge needle adjustment mechanism who is used for adjusting sewing machine sewing gauge needle, and gauge needle adjustment mechanism includes: the swinging piece is connected with two ends of the swinging piece respectively, so that the swinging piece swings around a first preset axis to drive the presser foot and the feeding tooth to move along a preset sewing track; the adjusting assembly is in driving connection with the swinging piece so as to drive the swinging piece to swing around a first preset axis through the adjusting assembly, and adjust the swinging stroke of the swinging piece around the first preset axis through adjusting the rotating angle of at least part of the adjusting assembly around a second preset axis so as to adjust the sewing needle pitch, so that the problem that the needle pitch adjusting mechanism of the sewing machine in the prior art is complex in structure is solved.
Description
Technical Field
The utility model relates to a sewing machine technical field particularly, relates to a sewing machine.
Background
When sewing leather and thick materials, often meet a certain section and make up the phenomenon that involves changing the gauge needle, perhaps change a surface fabric back gauge needle and need change, this gauge needle of most with the structure change of machinery and motor of current design structure, the structure is complicated, the installation of being not convenient for.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a sewing machine to solve the problem that the stitch length adjustment mechanism structure of the sewing machine among the prior art is complicated.
In order to achieve the above object, the present invention provides a sewing machine having a needle pitch adjusting mechanism for adjusting a sewing needle pitch of the sewing machine, the needle pitch adjusting mechanism comprising: the swinging piece is connected with two ends of the swinging piece respectively, so that the swinging piece swings around a first preset axis to drive the presser foot and the feeding tooth to move along a preset sewing track; and the adjusting assembly is in driving connection with the swinging piece so as to drive the swinging piece to swing around a first preset axis through the adjusting assembly and adjust the swinging stroke of the swinging piece around the first preset axis through adjusting the rotating angle of at least part of the adjusting assembly around a second preset axis so as to adjust the sewing needle pitch.
Further, the adjustment assembly includes: a drive device; the first part of the connecting rod assembly is connected with the driving device, the second part of the connecting rod assembly is connected with the swinging piece in a driving mode, and the driving device drives the connecting rod assembly to rotate around the second preset axis so as to adjust the swinging stroke of the swinging piece around the first preset axis by adjusting the rotating angle of the connecting rod assembly around the second preset axis.
Further, the connecting rod assembly further includes: one end of the first connecting rod is in driving connection with the driving device, and the other end of the first connecting rod is hinged with the swinging piece, so that the driving device drives the swinging piece to swing around a first preset axis through the first connecting rod.
Further, first link includes the mounting hole, and drive arrangement's drive shaft is at least partly worn to establish in the mounting hole in order to be connected with first link drive, and the side of mounting hole is provided with the opening, and opening and mounting hole intercommunication are through locking the opening in order to with drive shaft fixed mounting in the mounting hole.
Further, the connecting rod assembly further includes: and one end of the second connecting rod is hinged with the first connecting rod, and the other end of the second connecting rod is hinged with the swinging piece so as to drive the swinging piece to swing around a first preset axis through the second connecting rod.
Further, the needle pitch adjustment mechanism further comprises: and the presser foot driving component is used for driving the presser foot to move along a preset sewing track through the presser foot driving component.
Further, the presser foot drive member includes: the swinging piece is in transmission connection with the swinging needle shaft; the presser foot shaft is arranged at the end part of the presser foot shaft so as to drive the presser foot to move through the presser foot shaft; one end of the presser foot shaft, which is far away from the presser foot, is connected with the pendulum needle shaft so that the pendulum needle shaft drives the presser foot to move through the presser foot shaft.
Further, the needle pitch adjustment mechanism further comprises: the feeding part is provided with feeding teeth of the sewing machine and drives the feeding teeth to move along a preset feeding direction through the feeding part.
Further, the feeding part includes: the swing piece is in driving connection with the feed lifting shaft; and the feeding tooth is arranged on the feeding tooth rack, and one end of the feed lifting shaft, which is far away from the swinging piece, is in driving connection with the feeding tooth rack so that the feed lifting shaft drives the feeding tooth to move through the feeding tooth rack.
Further, the feeding part further comprises: and one end of the second connecting frame is fixedly connected with the feed lifting tooth shaft, and the other end of the second connecting frame is hinged with the feed tooth frame so as to drive the feed tooth frame to move along a preset track through the second connecting frame when the feed lifting tooth shaft moves around a preset axis.
Use the technical scheme of the utility model, the sewing machine has the gauge needle adjustment mechanism who is used for adjusting sewing machine sewing gauge needle, gauge needle adjustment mechanism includes swinging member and adjusting part, sewing machine's presser foot and pay-off tooth are connected respectively at the both ends of swinging member, move along predetermined sewing orbit around first predetermined axis swing drive presser foot and pay-off tooth through the swinging member, adjusting part is connected with the swinging member drive, swing around first predetermined axis through adjusting part drive swinging member, and the rotation angle around the predetermined axis of second through adjusting part's at least part, in order to adjust the swinging member around the swing stroke of first predetermined axis with adjusting sewing gauge needle, simple structure and installation of being convenient for, swing through adjusting part direct drive swinging member, the complicated problem of the gauge needle adjustment mechanism structure of the sewing machine among the prior art has been solved.
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 schematic structural view of an embodiment of an adjusting mechanism according to the invention.
Wherein the figures include the following reference numerals:
10. a swinging member;
20. a presser foot drive member; 21. a presser foot; 22. a needle swinging shaft; 23. a presser foot shaft; 24. a first connecting frame;
30. a feeding part; 31. feeding teeth; 32. a feed lifting shaft; 33. a feeding tooth rack; 34. a second link frame; 35. a first connecting member; 36. a second connecting member;
40. an adjustment assembly; 41. a drive device; 42. a connecting rod assembly; 420. a first link; 43. mounting a plate; 421. a second link.
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 sewing machine, please refer to fig. 1, has a gauge needle adjustment mechanism for adjusting sewing machine sewing gauge needle, and gauge needle adjustment mechanism includes: the sewing machine comprises a swinging piece 10, wherein a presser foot 21 and a feeding tooth 31 of the sewing machine are respectively connected to two ends of the swinging piece 10 so as to drive the presser foot 21 and the feeding tooth 31 to move along a preset sewing track through the swinging piece 10 swinging around a first preset axis; and the adjusting assembly 40 is in driving connection with the swinging piece 10, so that the swinging piece 10 is driven to swing around a first preset axis through the adjusting assembly 40, and the swinging stroke of the swinging piece 10 around the first preset axis is adjusted to adjust the sewing needle pitch by adjusting the rotating angle of at least part of the adjusting assembly 40 around a second preset axis.
According to the utility model, the sewing machine is provided with a needle distance adjusting mechanism for adjusting the sewing needle distance of the sewing machine, the needle distance adjusting mechanism comprises a swinging piece 10 and an adjusting component 40, a presser foot 21 and a feeding tooth 31 of the sewing machine are respectively connected with the two ends of the swinging piece 10, so as to drive the presser foot 21 and the feed dog 31 to move along a preset sewing track by swinging the swinging member 10 around a first preset axis, the adjusting assembly 40 is in driving connection with the swinging member 10, so as to drive the oscillating member 10 to oscillate about a first predetermined axis through the adjustment assembly 40, and to adjust the rotation angle of at least part of the adjustment assembly 40 about a second predetermined axis, to adjust the swing stroke of the swing member 10 around the first predetermined axis to adjust the stitch pitch, has a simple structure and is easy to install, the needle distance adjusting mechanism of the sewing machine in the prior art has a complex structure and solves the problem that the needle distance adjusting mechanism of the sewing machine in the prior art directly drives the swinging piece 10 to swing through the adjusting component 40.
In particular implementation, the adjustment assembly 40 comprises: the swinging piece 10 comprises a driving device 41 and a connecting rod assembly 42, wherein a first part of the connecting rod assembly 42 is connected with the driving device 41, a second part of the connecting rod assembly 42 is connected with the swinging piece 10 in a driving mode, the driving device 41 drives the connecting rod assembly 42 to rotate around a second preset axis so as to adjust the swinging stroke of the swinging piece 10 around the first preset axis by adjusting the rotating angle of the connecting rod assembly 42 around the second preset axis, and the driving device 41 drives the swinging piece 10 to swing through the connecting rod assembly 42 by arranging the connecting rod assembly 42, so that the swinging piece 10 is more stable in the swinging process; the driving device 41 is mounted on the body of the sewing machine through a mounting plate 43.
Further, the connecting rod assembly 42 further includes: and a first link 420, one end of the first link 420 is in driving connection with the driving device 41, and the other end of the first link 420 is hinged with the swinging member 10, so that the driving device 41 drives the swinging member 10 to swing around a first preset axis through the first link 420.
In order to facilitate the connection of the first link 420 and the driving device 41, the first link 420 includes a mounting hole, the driving shaft of the driving device 41 at least partially penetrates through the mounting hole to be in driving connection with the first link 420, an opening is arranged on the side of the mounting hole, the opening is communicated with the mounting hole, and the opening is locked to fix the driving shaft in the mounting hole.
Specifically, the connecting-rod assembly 42 further includes: and one end of the second link 421 is hinged to the first link 420, and the other end of the second link 421 is hinged to the swinging member 10, so that the swinging member 10 is driven to swing around the first predetermined axis by the second link 421.
In the embodiment provided by the utility model, the gauge needle adjustment mechanism still includes: a presser foot driving part 20, a presser foot 21 is mounted on the presser foot driving part 20 to drive the presser foot 21 to move along a predetermined sewing track through the presser foot driving part 20.
Specifically, the presser foot drive member 20 includes: the swinging needle shaft 22 is in transmission connection with the swinging piece 10; the presser foot shaft 23, the presser foot 21 is installed on the end of the presser foot shaft 23, in order to drive the presser foot 21 to move through the presser foot shaft 23; one end of the presser foot shaft 23 far away from the presser foot 21 is connected with the needle swinging shaft 22, so that the needle swinging shaft 22 drives the presser foot 21 to move through the presser foot shaft 23.
The presser foot driving component 20 further includes a first connecting frame 24, at least a portion of the first connecting frame 24 is connected to the needle swinging shaft 22, a first mounting hole is formed in the first connecting frame 24, at least a portion of one end of the presser foot shaft 23 far away from the presser foot 21 is inserted into the first mounting hole and connected to the first connecting frame 24, and the needle swinging shaft 22 drives the presser foot shaft 23 to move along a predetermined direction through the first connecting frame 24.
In the embodiment provided by the utility model, the gauge needle adjustment mechanism still includes: the feeding part 30, the feeding tooth 31 of the sewing machine is installed on the feeding part 30, so that the feeding tooth 31 is driven by the feeding part 30 to move along the preset feeding direction.
Specifically, the feeding part 30 includes: the lifting tooth shaft 32 is in driving connection with the swinging piece 10; the feeding tooth rack 33 is provided with the feeding teeth 31, the feeding teeth 31 are arranged on the feeding tooth rack 33, and one end of the feed lifting tooth shaft 32, which is far away from the swinging piece 10, is in driving connection with the feeding tooth rack 33, so that the feed lifting tooth shaft 32 drives the feeding teeth 31 to move through the feeding tooth rack 33.
In order to facilitate the driving of the feed dog 33 along the predetermined trajectory, the feeding unit 30 further includes: and one end of the second connecting frame 34 is fixedly connected with the feed lifting tooth shaft 32, and the other end of the second connecting frame 34 is hinged with the feed lifting tooth frame 33, so that when the feed lifting tooth shaft 32 moves around a preset axis, the feed lifting tooth frame 33 is driven to move along a preset track through the second connecting frame 34.
Wherein, the feeding part 30 further includes: the first connecting piece 35, the first connecting piece 35 and the swinging piece 10 are both rod bodies, one end of the first connecting piece 35 is hinged with the swinging piece 10, and a first preset included angle is formed between the rod body of the first connecting piece 35 and the rod body of the swinging piece 10; the second connecting piece 36 is a rod body, the other end of the first connecting piece 35 is hinged to the second connecting piece 36, one end, far away from the first connecting piece 35, of the second connecting piece 36 is in driving connection with the tooth lifting shaft 32, and a second preset included angle is formed between the rod body of the second connecting piece 36 and the rod body of the first connecting piece 35, so that the swinging piece 10 drives the tooth lifting shaft 32 to rotate around a preset axis through the first connecting piece 35 and the second connecting piece 36
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model provides a sewing machine, which is provided with a needle distance adjusting mechanism for adjusting the sewing needle distance of the sewing machine, the needle distance adjusting mechanism comprises a swinging piece 10 and an adjusting component 40, a presser foot 21 and a feeding tooth 31 of the sewing machine are respectively connected with the two ends of the swinging piece 10, so as to drive the presser foot 21 and the feed dog 31 to move along a preset sewing track by swinging the swinging member 10 around a first preset axis, the adjusting assembly 40 is in driving connection with the swinging member 10, so as to drive the oscillating member 10 to oscillate about a first predetermined axis through the adjustment assembly 40, and to adjust the rotation angle of at least part of the adjustment assembly 40 about a second predetermined axis, to adjust the swing stroke of the swing member 10 around the first predetermined axis to adjust the stitch pitch, has a simple structure and is easy to install, the needle distance adjusting mechanism of the sewing machine in the prior art has a complex structure and solves the problem that the needle distance adjusting mechanism of the sewing machine in the prior art directly drives the swinging piece 10 to swing through the adjusting component 40.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 sewing machine having a needle pitch adjustment mechanism for adjusting a sewing needle pitch of the sewing machine, the needle pitch adjustment mechanism comprising:
the sewing machine comprises a swinging piece (10), wherein a presser foot (21) and a feeding tooth (31) of the sewing machine are respectively connected to two ends of the swinging piece (10) so as to drive the presser foot (21) and the feeding tooth (31) to move along a preset sewing track in a swinging mode around a first preset axis through the swinging piece (10);
the adjusting assembly (40) is in driving connection with the swinging piece (10) so as to drive the swinging piece (10) to swing around a first preset axis through the adjusting assembly (40), and the swinging stroke of the swinging piece (10) around the first preset axis is adjusted to adjust the sewing needle pitch by adjusting the rotating angle of at least part of the adjusting assembly (40) around a second preset axis.
2. Sewing machine as in claim 1, characterized in that said adjustment assembly (40) comprises:
a drive device (41);
a connecting rod assembly (42), a first part of the connecting rod assembly (42) is connected with the driving device (41), a second part of the connecting rod assembly (42) is connected with the swinging piece (10), and the driving device (41) drives the connecting rod assembly (42) to rotate around the second preset axis so as to adjust the swinging stroke of the swinging piece (10) around the first preset axis by adjusting the rotating angle of the connecting rod assembly (42) around the second preset axis.
3. Sewing machine as in claim 2, characterized in that said connecting-rod assembly (42) comprises:
a first connecting rod (420), one end of the first connecting rod (420) is in driving connection with the driving device (41), and the other end of the first connecting rod (420) is hinged with the swinging piece (10), so that the driving device (41) drives the swinging piece (10) to swing around a first preset axis through the first connecting rod (420).
4. The sewing machine of claim 3, wherein the first link (420) includes a mounting hole, the drive shaft of the drive device (41) is at least partially inserted into the mounting hole to be drivingly connected with the first link (420), and an opening is provided at a side of the mounting hole, the opening communicating with the mounting hole, and the drive shaft is fixedly mounted in the mounting hole by locking the opening.
5. Sewing machine as in claim 3, characterized in that said connecting-rod assembly (42) further comprises:
one end of the second connecting rod (421) is hinged to the first connecting rod (420), and the other end of the second connecting rod (421) is hinged to the swinging piece (10), so that the swinging piece (10) is driven to swing around a first preset axis through the second connecting rod (421).
6. The sewing machine of claim 1, wherein the gauge adjustment mechanism further comprises:
a presser foot drive part (20), the presser foot (21) is installed on the presser foot drive part (20) so as to drive the presser foot (21) to move along a preset sewing track through the presser foot drive part (20).
7. Sewing machine as in claim 6, characterized in that said presser foot drive member (20) comprises:
the swinging piece (10) is in transmission connection with the needle swinging shaft (22);
the presser foot shaft (23), the presser foot (21) is installed at the end part of the presser foot shaft (23) so as to drive the presser foot (21) to move through the presser foot shaft (23); one end of the presser foot shaft (23) far away from the presser foot (21) is connected with the needle swinging shaft (22) so that the needle swinging shaft (22) drives the presser foot (21) to move through the presser foot shaft (23).
8. The sewing machine of claim 1, wherein the gauge adjustment mechanism further comprises:
the feeding part (30) is provided with a feeding tooth (31) of the sewing machine, and the feeding tooth (31) is driven to move along a preset feeding direction through the feeding part (30).
9. Sewing machine as in claim 8, characterized in that said feeding member (30) comprises:
the swing piece (10) is in driving connection with the feed lifting shaft (32);
the feeding tooth rack (33), the feeding tooth (31) is installed on the feeding tooth rack (33), and one end, far away from the swinging piece (10), of the feed lifting tooth shaft (32) is in driving connection with the feeding tooth rack (33), so that the feed lifting tooth shaft (31) is driven by the feed lifting tooth rack (33) to move by the feed lifting tooth shaft (32).
10. The sewing machine according to claim 9, wherein the feed member (30) further comprises:
one end of the second connecting frame (34) is fixedly connected with the feed lifting tooth shaft (32), and the other end of the second connecting frame (34) is hinged with the feed lifting tooth frame (33) so that the feed lifting tooth frame (33) is driven to move along a preset track through the second connecting frame (34) when the feed lifting tooth shaft (32) moves around a preset axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920425133.1U CN209906996U (en) | 2019-03-29 | 2019-03-29 | Sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920425133.1U CN209906996U (en) | 2019-03-29 | 2019-03-29 | Sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209906996U true CN209906996U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920425133.1U Active CN209906996U (en) | 2019-03-29 | 2019-03-29 | Sewing machine |
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| Country | Link |
|---|---|
| CN (1) | CN209906996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648053A (en) * | 2020-07-02 | 2020-09-11 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2019
- 2019-03-29 CN CN201920425133.1U patent/CN209906996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648053A (en) * | 2020-07-02 | 2020-09-11 | 杰克缝纫机股份有限公司 | Sewing machine |
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