CN215209967U - Sewing machine jump stitch device - Google Patents
Sewing machine jump stitch device Download PDFInfo
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- CN215209967U CN215209967U CN202121115775.5U CN202121115775U CN215209967U CN 215209967 U CN215209967 U CN 215209967U CN 202121115775 U CN202121115775 U CN 202121115775U CN 215209967 U CN215209967 U CN 215209967U
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Abstract
The utility model belongs to the technical field of the sewing machine technique and specifically relates to a sewing machine jump seam device is related to, its including rotate connect the mount pad on sewing machine, set firmly on the mount pad and with the crochet hook of eedle one-to-one, install coupling assembling on sewing machine and install the drive assembly on sewing machine, coupling assembling one end is connected with the mount pad, drive assembly keeps away from the one end of mount pad with coupling assembling and is connected and be used for control coupling assembling to drive the mount pad and rotate to make the crochet hook avoid the eedle/mutually support with the eedle. This application can make the crochet hook skew originally with the position that the eedle was aimed at, the sewing machine of being convenient for skips certain special position and carries out selective jump seam, reduces the work of taking out stitches to these special parts after the sewing work is accomplished, and reduces because of taking out stitches the fish tail that causes the clothes and the end of a thread that remains after taking out stitches, makes the clothes quality obtain improving.
Description
Technical Field
The application relates to the technical field of sewing machines, in particular to a seam jumping device of a sewing machine.
Background
With the continuous development of industrialization, more and more places begin to use sewing machines to complete the sewing work of clothes.
When sewing work is carried out, a needle of the sewing machine drives the sewing thread to penetrate through the cloth and is matched with a crochet needle with the sewing thread, so that the sewing work of the cloth is completed.
However, the garment usually has some special parts which do not need to be sewn, after a worker finishes sewing work by using a sewing machine, the sewing threads of the special parts are often required to be removed, and the quality of the garment is affected by scratches on the garment caused by a removing tool during removing the sewing and thread ends remained on the garment after removing the sewing. Therefore, further improvements can be made.
SUMMERY OF THE UTILITY MODEL
In order to enable a worker to reduce the stitch removing work of special parts which do not need to be sewn, and reduce scratches caused by a removing tool on clothes during stitch removing and stitch heads remained on the clothes after stitch removing, the application provides a stitch skipping device of a sewing machine, so that the quality of the clothes is improved.
The application provides a sewing machine jump seam device adopts following technical scheme:
the utility model provides a sewing machine jump seam device, including rotate connect the mount pad on sewing machine, set firmly on the mount pad and with the crochet hook of eedle one-to-one, install coupling assembling on sewing machine and install the drive assembly on sewing machine, coupling assembling one end is connected with the mount pad, drive assembly keeps away from the one end of mount pad with coupling assembling and is connected and be used for controlling coupling assembling to drive the mount pad and rotate to make the crochet hook avoid the eedle/mutually support with the eedle.
Through adopting above-mentioned technical scheme, when needs jump the seam, drive assembly drives the mount pad through control coupling assembling and rotates to make the crochet hook skew originally with the position that the eedle is aligned, be convenient for sewing machine to skip certain special position and carry out selective jump seam, reduce the work of taking out stitches to these special parts after sewing work is accomplished, and reduce the seam head of reserving after causing the fish tail of clothes and taking out stitches because of taking out stitches, make clothes quality obtain improving.
Optionally, the drive assembly includes driving piece, power supply and the switch that is connected with coupling assembling, the power supply is linked together with the driving piece, the switch is connected just is used for controlling power supply drive driving piece with the power supply electricity.
Through adopting above-mentioned technical scheme, utilize the switch to control power supply drive driving piece, the person of facilitating the use controls sewing machine and switches between normal sewing and jump seam, and the person of facilitating the use operates sewing machine and accomplishes sewing work.
Optionally, coupling assembling including set firmly the hinged-support on the sewing machine, with drive assembly looks articulated first connecting rod, second connecting rod, be fixed in the third connecting rod of mount pad, the middle part and the hinged-support of second connecting rod are articulated mutually, just drive assembly one end is kept away from with first connecting rod to second connecting rod one end is articulated mutually, and the mount pad was kept away from to the other end and third connecting rod one end is articulated mutually.
By adopting the technical scheme, when the driving assembly works, the driving assembly controls the first connecting rod to drive the second connecting rod to rotate by taking the hinged support as a rotation center, the second connecting rod drives the third connecting rod to enable the third connecting rod to pull the mounting seat to rotate, so that the movement direction of the driving assembly can convert the rotation direction of the mounting seat, and the driving assembly controls the crochet hook to avoid the machine needle or to be matched with the machine needle.
Optionally, the third connecting rod includes first connecting portion, second connecting portion and the stud that are fixed in the mount pad articulated mutually with the second connecting rod, second connecting rod one end threaded connection is kept away from with first connecting portion to stud one end, and mount pad one end threaded connection is kept away from with the second connecting portion to the other end, and when rotating stud, first connecting portion and second connecting portion are close to each other/keep away from.
Through adopting above-mentioned technical scheme, can adjust the distance between first connecting portion and the second connecting portion through changeing stud to make drive assembly can control the skew distance between crochet hook and the eedle better, make things convenient for the installation and the adjustment of crochet hook.
Optionally, lock nuts adapted to the stud bolts are installed between the first connecting portion and the stud bolts and between the second connecting portion and the stud bolts.
Through adopting above-mentioned technical scheme, adjust the distance between first connecting portion and the second connecting portion through rotating stud earlier, screw up two lock nut again, make between stud and the first connecting portion and between stud and the second connecting portion be difficult for independently taking place to rotate to make the distance between first connecting portion and the second connecting portion be difficult for independently taking place to change, the skew distance of the drive assembly control crochet hook of being convenient for.
Optionally, the mounting base includes a plurality of installation departments that correspond with the crochet hook one-to-one, and it is a plurality of be equipped with between the installation department and be used for controlling its synchronous pivoted gangbar.
By adopting the technical scheme, when seam skipping is carried out, the driving assembly can simultaneously control the installation parts to synchronously rotate, so that the crochet needles on the installation parts simultaneously avoid the machine needle/are matched with the machine needle, the seam skipping device of the sewing machine can adapt to the seam skipping work of a multi-needle sewing machine, and the application range of the seam skipping device of the sewing machine is expanded.
Optionally, the crochet hook is detachably connected with the mounting seat.
By adopting the technical scheme, the replacement of the crochet hook is convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sewing machine can selectively jump the seams at certain special positions of the clothes through the seam jumping device, can reduce the stitch removing work of the special positions after the sewing work is finished, and reduces the scratches of the clothes and the thread ends remained after stitch removing caused by stitch removing, so that the quality of the clothes is improved;
2. the length of the third connecting rod is adjustable, so that the driving assembly can better control the offset distance between the crochet hook and the machine needle, and the installation and adjustment of the crochet hook are convenient;
3. the crochet hook is detachably connected with the mounting seat, so that the replacement of the crochet hook is convenient.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Description of reference numerals: 1. a mounting seat; 11. an installation part; 2. hooking a needle; 3. a drive assembly; 31. a drive member; 32. a power source; 33. a switch; 4. a connecting assembly; 41. a hinged support; 42. a first link; 43. a second link; 44. a third link; 441. a first connection portion; 442. a second connecting portion; 443. a stud bolt; 5. locking the nut; 6. a linkage rod; 100. a sewing machine.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a seam jump device of a sewing machine.
Referring to fig. 1, the seam jump device of the sewing machine comprises a mounting seat 1, a crochet hook 2, a connecting component 4 and a driving component 3; the mounting seat 1 is mounted inside the sewing machine 100, and the bottom of the mounting seat 1 is hinged with the sewing machine 100, so that the mounting seat 1 can rotate relative to the sewing machine 100; the crochet hook 2 is fixedly arranged at the top of the mounting seat 1, and when the mounting seat 1 rotates relative to the sewing machine 100, the crochet hook 2 can rotate relative to the sewing machine 100 in the sewing machine 100 along with the mounting seat 1; the quantity of the crochet hooks 2 can be set to be single or multiple according to the quantity of the machine needles, specifically, the machine needles are two and corresponding, the two crochet hooks 2 are set to be two in the embodiment, the two crochet hooks 2 are fixedly arranged at the top of the mounting seat 1, and the two crochet hooks 2 and the two machine needles are arranged in a one-to-one corresponding mode, so that the sewing machine jump sewing device can adapt to jump sewing work of a double-needle sewing machine, and the application range of the sewing machine jump sewing device is expanded.
The connecting assembly 4 is installed inside the sewing machine 100 and located on the right side of the installation seat 1, and one end of the connecting assembly 4 is fixedly connected with the middle of the installation seat 1; the driving component 3 is installed on the top surface of the sewing machine 100 and located on the right side of the connecting component 4, and one end of the driving component 3 is hinged to one end, far away from the mounting seat 1, of the connecting component 4.
When needing to jump the seam, drive assembly 3 drives mount pad 1 through control coupling assembling 4 and rotates to make crochet hook 2 deviate from the position that originally aligns with the eedle, be convenient for sewing machine 100 to jump over certain special position and carry out selective jump seam, reduce the work of taking out stitches to these special positions after the completion of sewing work, and reduce the seam head of keeping after causing the fish tail of clothes and taking out stitches because of taking out stitches, make clothes quality improve.
Specifically, the driving assembly 3 includes a driving member 31, a power source 32, and a switch 33. The driving member 31 is an air cylinder in the embodiment, and the driving member 31 may be a driving member 31 such as a hydraulic cylinder in other embodiments; correspondingly, the power source 32 is an air pump in this embodiment. The cylinder is fixed in sewing machine 100 top surface, and sewing machine 100 top surface sets up the guiding hole with cylinder piston rod looks cross-under adaptation in the position department of fixed cylinder, makes cylinder piston can pass the guiding hole and articulate mutually with the one end that coupling assembling 4 keeps away from mount pad 1. The air pump is fixed on the top surface of the sewing machine 100 and communicated with the air cylinder through an air pipe for driving the operation of the air cylinder. The switch 33 is fixed to the top surface of the sewing machine 100, and is electrically connected to the air pump through a predetermined wire, for controlling the connection/disconnection of the air cylinder and the air pump. A switch 33 is fixed to the top surface of the sewing machine 100, so that a user can drive the air cylinder by controlling the air pump.
Specifically, the connecting assembly 4 includes a first link 42, a second link 43, a third link 44, and a hinge support 41. Wherein, the hinged support 41 is fixed inside the sewing machine 100 and is positioned between the mounting seat 1 and the cylinder; the middle part of the second connecting rod 43 is hinged with the hinged support 41, one end of the second connecting rod 43 is hinged with one end of the first connecting rod 42, the other end of the second connecting rod 43 is hinged with one end of the third connecting rod 44, one end of the first connecting rod 42 far away from the second connecting rod 43 is hinged with a cylinder piston rod, and one end of the third connecting rod 44 far away from the second connecting rod 43 is fixedly connected with the mounting seat 1.
When the stitch needs to be jumped, the switch 33 is toggled, the switch 33 controls the operation of the air pump, the air pump drives the operation of the air cylinder through the air pipe, the piston rod of the air cylinder pushes the first connecting rod 42, the first connecting rod 42 drives the second connecting rod 43, so that the second connecting rod 43 rotates by taking the hinged support 41 as a rotation center, the rotation of the second connecting rod 43 drives the third connecting rod 44, the third connecting rod 44 pulls the mounting base 1, and the crochet needle 2 is controlled to avoid the needle. On the contrary, when the seam jump is not needed, the air cylinder pushes the mounting seat 1 through the control connecting assembly 4, so that the crochet hook 2 is aligned and matched with the machine needle again.
The connecting assembly 4 enables the linear motion of the cylinder to be converted into the rotary motion of the mounting seat 1 by adopting a mode that a multi-connecting-rod structure is mutually matched, so that the driving assembly 3 controls the crochet needle 2 to avoid the machine needle/to be mutually matched with the machine needle.
In the present embodiment, the mounting base 1 includes a plurality of mounting portions 11 corresponding to the crochet hooks 2 one by one, that is, the mounting base 1 includes two mounting portions 11, and the two mounting portions 11 are provided corresponding to the two crochet hooks 2 one by one. Every installation department 11 bottom all is articulated mutually with the connecting seat, every crochet hook 2 all sets firmly in corresponding installation department 11 top, be equipped with the gangbar 6 between two installation departments 11, the gangbar 6 both ends are articulated mutually with the middle part of two installation departments 11 respectively, make two installation departments 11 can synchronous revolution, and the installation department 11 that is close to coupling assembling 4 is in the position department articulated mutually with gangbar 6 with third connecting rod 44 fixed connection, make the cylinder can come another installation department 11 of synchronous control through control and third connecting rod 44 articulated installation department 11 mutually, so that crochet hook 2 that is fixed in on two installation departments 11 can avoid the eedle simultaneously/mutually support with the eedle. Providing the mount base 1 as two mount portions 11 reduces the material required to manufacture the mount base 1, so that the manufacturing cost of the mount base 1 can be reduced.
In order to facilitate the replacement of the crochet hook 2, in this embodiment, a first fixing hole is formed at the top of each mounting portion 11, a second fixing hole matched with the first fixing hole is formed at the bottom of each crochet hook 2, and the first fixing hole and the second fixing hole are aligned and then locked by a preset screw, so that the crochet hook 2 is detachably connected with the mounting base 1, and the replacement of the crochet hook 2 is facilitated.
In order to finely adjust the position of the crochet hook 2 when the sewing machine jump stitch device is installed, in the present embodiment, the third link 44 is provided as three parts of the first connecting part 441, the second connecting part 442 and the stud 443, wherein the thread pitches of both ends of the stud 443 are the same and the rotation directions are opposite; one end of the first connecting part 441 is hinged with one end of the second connecting rod 43, and the other end of the first connecting part is provided with a threaded hole matched with the stud 443; one end of the second connecting portion 442 is fixedly connected to the middle of the mounting base 1 by a screw, the other end of the second connecting portion 442 is provided with a threaded hole adapted to the stud 443, and the screwing directions of the threads of the first connecting portion 441 and the second connecting portion 442 are opposite, so that the stud 443 can be screwed into the threaded hole of the first connecting portion 441 at one end and screwed into the threaded hole of the second connecting portion 442 at the other end.
When the jump sewing device of the sewing machine is installed, the first connecting portion 441 and the second connecting portion 442 can be moved closer to/away from each other by rotating the stud 443, so that the driving assembly 3 can better control the offset distance between the crochet needle 2 and the machine needle, and the installation and adjustment of the crochet needle 2 are facilitated.
In order to enhance the connection between the first connecting portion 441 and the stud 443 and between the second connecting portion 442 and the stud 443, in this embodiment, both ends of the stud 443 are threadedly connected with a locking nut 5, the length of the third link 44 is adjusted by rotating the stud 443, and then the locking nut 5 near the first connecting portion 441 is abutted against one end of the first connecting portion 441 near the second connecting portion 442 and the locking nut 5 near the second connecting portion 442 is abutted against one end of the second connecting portion 442 near the first connecting portion 441 by rotating the locking nut 5, so that the frictional force between the stud 443 and the first connecting portion 441 and between the stud 443 and the second connecting portion 442 is increased, the stud 443 is not easily rotated with the first connecting portion 441 and the second connecting portion 442, and the distance between the first connecting portion 441 and the second connecting portion 442 is not easily shifted by itself, so that the drive assembly 3 is able to better control the offset distance of the crochet hook 2.
The implementation principle of the seam jump device of the sewing machine in the embodiment of the application is as follows: the switch 33 drives the air cylinder to operate by controlling the air pump, the air cylinder piston cylinder pushes the first connecting rod 42, the first connecting rod 42 drives the second connecting rod 43 to rotate by taking the hinged support 41 as a rotation center, the second connecting rod 43 drives the third connecting rod 44, the third connecting rod 44 pulls the mounting seat 1, so that the crochet hook 2 fixed at the top end of the mounting seat 1 rotates relative to the sewing machine 100 along with the mounting seat 1, the crochet hook 2 can avoid a machine needle or is matched with the machine needle, the jumping stitch work of the sewing machine 100 is realized, the stitch removing work of a part needing jumping stitch after the sewing work is finished is reduced, the scratch of clothes caused by stitch removing and the stitch head remained after stitch removing are reduced, and the quality of the clothes is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a sewing machine jump seam device which characterized in that: including rotate connect mount pad (1) on sewing machine (100), set firmly on mount pad (1) and with eedle one-to-one crochet hook (2), install coupling assembling (4) on sewing machine (100) and install drive assembly (3) on sewing machine (100), coupling assembling (4) one end is connected with mount pad (1), drive assembly (3) are connected with the one end that mounting pad (1) was kept away from in coupling assembling (4) and are used for control coupling assembling (4) to drive mount pad (1) and rotate to make crochet hook (2) avoid the eedle/mutually support with the eedle.
2. The sewing machine skip-sewing device according to claim 1, characterized in that: drive assembly (3) are including driving piece (31), power supply (32) and switch (33) that are connected with coupling assembling (4), power supply (32) are linked together with driving piece (31), switch (33) are connected and are used for controlling power supply (32) drive driving piece (31) with power supply (32) electricity.
3. The sewing machine skip-sewing device according to claim 1, characterized in that: coupling assembling (4) including set firmly in hinged-support (41) on sewing machine (100), with drive assembly (3) looks articulated first connecting rod (42), second connecting rod (43), be fixed in third connecting rod (44) of mount pad (1), second connecting rod (43) middle part is articulated mutually with hinged-support (41), just drive assembly (3) one end is kept away from with first connecting rod (42) to second connecting rod (43) one end is articulated mutually, and the one end that mount pad (1) was kept away from with third connecting rod (44) to the other end is articulated mutually.
4. The sewing machine skip-sewing device according to claim 3, characterized in that: the third connecting rod (44) comprises a first connecting portion (441) hinged to the second connecting rod (43), a second connecting portion (442) fixed to the mounting seat (1), and a stud bolt (443), wherein one end of the stud bolt (443) is in threaded connection with one end, away from the second connecting rod (43), of the first connecting portion (441), the other end of the stud bolt is in threaded connection with one end, away from the mounting seat (1), of the second connecting portion (442), and when the stud bolt (443) is rotated, the first connecting portion (441) and the second connecting portion (442) are close to or away from each other.
5. The sewing machine skip-sewing device according to claim 4, characterized in that: and lock nuts (5) matched with the stud bolts (443) are arranged between the first connecting part (441) and the stud bolts (443) and between the second connecting part (442) and the stud bolts (443).
6. The sewing machine skip-sewing device according to claim 1, characterized in that: the mounting seat (1) comprises a plurality of mounting parts (11) corresponding to the crochet hooks (2) one by one, and a plurality of linkage rods (6) used for controlling the synchronous rotation of the mounting parts (11) are arranged between the mounting parts.
7. The sewing machine skip-sewing device according to claim 1, characterized in that: the crochet hook (2) is detachably connected with the mounting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115775.5U CN215209967U (en) | 2021-05-22 | 2021-05-22 | Sewing machine jump stitch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115775.5U CN215209967U (en) | 2021-05-22 | 2021-05-22 | Sewing machine jump stitch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215209967U true CN215209967U (en) | 2021-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121115775.5U Active CN215209967U (en) | 2021-05-22 | 2021-05-22 | Sewing machine jump stitch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215209967U (en) |
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2021
- 2021-05-22 CN CN202121115775.5U patent/CN215209967U/en active Active
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