CN216891505U - Adjusting device of lockstitch sewing machine needle pitch seat - Google Patents
Adjusting device of lockstitch sewing machine needle pitch seat Download PDFInfo
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- CN216891505U CN216891505U CN202220335334.4U CN202220335334U CN216891505U CN 216891505 U CN216891505 U CN 216891505U CN 202220335334 U CN202220335334 U CN 202220335334U CN 216891505 U CN216891505 U CN 216891505U
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Abstract
The utility model discloses a regulating device of a needle pitch seat of a lockstitch sewing machine, which relates to the technical field of lockstitch sewing machines and aims to solve the problems that the traditional needle pitch seat regulating device has a single regulating form and cannot well realize coarse regulation and fine regulation of the needle pitch seat; the adjusting mechanism is arranged on the flat bed sewing machine, the adjusting mechanism is the input end of the needle pitch adjusting mechanism of the flat bed sewing machine, the input shaft of the needle pitch adjusting mechanism of the flat bed sewing machine can be rotated by rotating the gear ring or rotating the main gear, the two rotating modes respectively correspond to the fine adjustment process and the coarse adjustment process of the needle pitch adjusting mechanism of the flat bed sewing machine, the flat bed sewing machine is provided with indicating scales corresponding to the needle pitch seats and used for indicating the specific needle pitches of the needle pitch seats of the flat bed sewing machine, and an operator can indicate the required needle pitches by the scales to accurately obtain the required needle pitches.
Description
Technical Field
The utility model relates to the technical field of lockstitch sewing machines, in particular to a device for adjusting a needle pitch seat of a lockstitch sewing machine.
Background
The flat bed sewing machine is also called a flat car, and is generally called a single needle flat bed sewing machine. The machine is mainly used for forming a stitch on a sewing material by using a sewing thread to interweave or sew one or more layers of the sewing material. Generally, the use of thin materials and thick materials is divided.
The stitch length of the stitch length seat of the flat sewing machine can be adjusted by operating the stitch length adjusting mechanism of the flat sewing machine, the conventional adjusting device has a single adjusting form and cannot well realize the coarse adjustment and the fine adjustment of the stitch length seat, so that an operator is difficult to obtain a more accurate stitch length distance;
the present invention is directed to a solution to the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, i.e. the problems of the background art, the utility model provides an adjusting device of a stitch length seat of a flat sewing machine, which comprises a stitch length adjusting mechanism of the flat sewing machine, arranged in the flat sewing machine and used for adjusting the stitch distance of the flat sewing machine;
the adjusting mechanism is arranged on the flat bed sewing machine and is an input end of the needle pitch adjusting mechanism of the flat bed sewing machine;
the adjustment mechanism includes:
the main gear is connected with an input shaft of the stitch length adjusting mechanism of the flat sewing machine;
a gear ring disposed outside the main gear;
a gear carrier disposed on the lockstitch machine;
the intermediate gear is rotationally connected with the gear carrier and is meshed with the main gear and the gear ring.
The utility model is further provided with: and indication scales are arranged on the lockstitch sewing machine corresponding to the needle pitch seats.
The utility model is further provided with: the gear ring is connected with the main gear to form a rotating part which operates independently.
The utility model is further provided with: the adjusting mechanism further comprises a locking device for locking the gear ring.
The utility model is further provided with: the locking device comprises a mounting seat arranged on the lockstitch sewing machine and a rotating screw rod in threaded connection with the mounting seat, and the end part of the screw rod compresses the gear ring to realize locking of the gear ring.
The beneficial technical effects of the utility model are as follows: the intermediate gear is rotationally connected to the gear rack, the input shaft of the stitch length adjusting mechanism of the flat sewing machine can be rotated by rotating the gear ring or rotating the main gear, the two rotating modes respectively correspond to the fine adjustment process and the coarse adjustment process of the stitch length adjusting mechanism of the flat sewing machine, indication scales are arranged on the flat sewing machine corresponding to a stitch length seat and used for indicating the specific stitch length of the stitch length seat of the flat sewing machine, and an operator can accurately obtain the required stitch length by indicating the scales.
Drawings
FIG. 1 shows a front view structural schematic of the present invention;
FIG. 2 is a schematic view of the utility model at a point A in FIG. 1, shown enlarged in detail;
fig. 3 shows a schematic left-side view of the adjusting mechanism according to the utility model.
Reference numerals: 1-lockstitch sewing machine, 2-main gear, 3-gear ring, 4-gear rack, 5-intermediate gear, 6-rotating part, 7-locking device, 71-mounting seat and 72-screw.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Example (b):
referring to fig. 1-3, the utility model provides a device for adjusting a stitch length of a lockstitch sewing machine, which comprises a stitch length adjusting mechanism of the lockstitch sewing machine, which is arranged in the lockstitch sewing machine 1 and plays a role in adjusting the stitch length of the lockstitch sewing machine 1;
the flat sewing machine is a prior art means, the device for adjusting the distance between the needle and the seat inside the flat sewing machine is also a prior art means, the structure and the principle of the flat sewing machine are known technologies, and detailed description is omitted;
the adjusting mechanism is arranged on the flat bed sewing machine 1 and is an input end of a needle pitch adjusting mechanism of the flat bed sewing machine;
in the embodiment, technical improvement is made on the input end of the stitch length adjusting mechanism of the flat sewing machine so as to improve the accuracy of adjustment and the processing precision of the flat sewing machine
In this embodiment, the adjustment mechanism includes:
the main gear 2, the main gear 2 connects the input shaft of the needle pitch adjusting mechanism of the flat bed sewing machine;
a ring gear 3, the ring gear 3 being disposed outside the main gear 2;
the gear rack 4 is arranged on the flat sewing machine 1;
the intermediate gear 5 is rotationally connected with the gear rack 4, and the intermediate gear 5 is meshed with the main gear 2 and the gear ring 3;
the gear ring 3 is connected with the main gear 2 and is connected with a rotating part 6 which operates independently;
in the embodiment, the gear rack 4 is fixedly connected to the flat sewing machine 1, and rotating shafts with the same number as the intermediate gears 5 can be adopted, and the intermediate gears 5 are rotatably connected to the rotating shafts;
the number of the intermediate gears 5 is at least 2, and the three intermediate gears are arranged in a central symmetry manner along the axis of the main gear 2, so that the torque transmission can be ensured, and the stability of the torque transmission is improved at the same time, wherein three intermediate gears 5 are adopted in the embodiment;
the linear velocities of the main gear 2, the ring gear 3 and the intermediate gear 5 during operation are the same, but the reference circle diameters of the three are different, so that the main gear, the ring gear and the intermediate gear have different angular velocities during operation, and according to the state shown in fig. 3 in the embodiment, the W intermediate gear 5 > the W main gear 2 > the W ring gear 3;
in the embodiment, the intermediate gear 5 is rotationally connected to the gear rack 4, the input shaft of the stitch length adjusting mechanism of the flat sewing machine can be rotated by rotating the gear ring 3 or rotating the main gear 2, and the two rotation modes respectively correspond to the fine adjustment process and the coarse adjustment process of the stitch length adjusting mechanism of the flat sewing machine.
It is noted that when rotating the ring gear 3 or rotating the main gear 2, opposite torques are applied.
The lockstitch sewing machine 1 is provided with indication scales corresponding to the needle pitch seat and used for indicating the specific needle pitch of the lockstitch sewing machine needle pitch seat, and an operator can accurately obtain the required needle pitch through scale indication.
The gear ring 3 is connected with the main gear 2 to form a rotating part 6 which runs independently, and the rotating part 6 is a circular ring in the embodiment and is connected with the gear ring 3 and the outer part of the main gear 2 through interference fit.
The adjustment mechanism further comprises locking means 7 for locking the toothed ring 3.
In this embodiment, the locking device 7 includes a mounting seat 71 provided on the flat bed sewing machine 1 and a rotating screw 72 screwed to the mounting seat 71, and the end of the screw 72 presses the ring gear 3 to lock the ring gear 3.
While the utility model has been described with reference to a preferred embodiment, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and particularly, features shown in the various embodiments may be combined in any suitable manner without departing from the scope of the utility model. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (5)
1. The utility model provides an adjusting device of flush joint machine gauge needle seat which characterized in that:
the stitch length adjusting mechanism of the flat sewing machine is arranged in the flat sewing machine (1) and plays a role in adjusting the stitch length of the flat sewing machine (1);
the adjusting mechanism is arranged on the flat bed sewing machine (1), and is an input end of the needle pitch adjusting mechanism of the flat bed sewing machine;
the adjustment mechanism includes:
the main gear (2), the said main gear (2) connects the input shaft of the needle pitch regulating mechanism of the said flush joint machine;
a gear ring (3), the gear ring (3) being arranged outside the main gear (2);
a gear rack (4), wherein the gear rack (4) is arranged on the flat sewing machine (1);
the intermediate gear (5) is rotationally connected with the gear carrier (4), and the intermediate gear (5) is meshed with the main gear (2) and the gear ring (3).
2. The adjusting device of the needle gage seat of the flat sewing machine according to claim 1, characterized in that: the flat sewing machine (1) is provided with indication scales corresponding to the needle distance seats.
3. The adjusting device of the needle gage seat of the flat sewing machine according to claim 1, characterized in that: the gear ring (3) is connected with the main gear (2) to form a rotating part (6) which operates independently.
4. The adjusting device of the needle gage seat of the flat sewing machine according to claim 1, characterized in that: the adjusting mechanism further comprises a locking device (7) for locking the gear ring (3).
5. The adjusting device of the needle gage seat of the flat sewing machine according to claim 4, characterized in that: the locking device (7) comprises a mounting seat (71) arranged on the flat bed sewing machine (1) and a rotating screw rod (72) in threaded connection with the mounting seat (71), and the end portion of the screw rod (72) presses the gear ring (3) to achieve locking of the gear ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220335334.4U CN216891505U (en) | 2022-02-18 | 2022-02-18 | Adjusting device of lockstitch sewing machine needle pitch seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220335334.4U CN216891505U (en) | 2022-02-18 | 2022-02-18 | Adjusting device of lockstitch sewing machine needle pitch seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216891505U true CN216891505U (en) | 2022-07-05 |
Family
ID=82185625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220335334.4U Active CN216891505U (en) | 2022-02-18 | 2022-02-18 | Adjusting device of lockstitch sewing machine needle pitch seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216891505U (en) |
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2022
- 2022-02-18 CN CN202220335334.4U patent/CN216891505U/en active Active
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