CN211005901U - Wire clamping opening mechanism - Google Patents
Wire clamping opening mechanism Download PDFInfo
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- CN211005901U CN211005901U CN201921757319.3U CN201921757319U CN211005901U CN 211005901 U CN211005901 U CN 211005901U CN 201921757319 U CN201921757319 U CN 201921757319U CN 211005901 U CN211005901 U CN 211005901U
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- hole
- thread
- opening
- wire
- pressing piece
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Abstract
The utility model relates to a wire clamping opening mechanism, which comprises a wire clamping mechanism and an opening mechanism which can be matched with the wire clamping mechanism in a butt joint way, wherein the wire clamping mechanism comprises a wire clamping shaft and a mounting plate, a wire blocking piece, a wire pressing piece, a spring, a nut and a tightness adjusting button are sequentially sleeved on the wire clamping shaft, the nut and the tightness adjusting button are both in threaded connection with the wire clamping shaft, and the wire blocking piece and the wire pressing piece are in clamping connection with the mounting plate; the opening plate is arranged on one side of the line pressing piece and matched with the line pressing piece; the opening mechanism comprises an installation frame, an adjusting presser foot, a butting column and a stop block; the mounting frame is provided with a first through hole and a second through hole, one end of the abutting column penetrates through the first through hole and can be abutted against the opening plate, and the other end of the abutting column can be connected with the needle mechanism; the stop dog is sleeved on the abutting column and can be abutted and matched with the adjusting presser foot. The utility model discloses strengthen the commonality of part, reduced the number of part, not only established the basis for miniature sewing machine's research and development, the dismouting of still being convenient for.
Description
Technical Field
The utility model relates to a sewing machine technical field, concretely relates to mechanism is opened to double-layered line.
Background
When sewing clothes and the like by using a sewing machine, an upper thread and a bottom thread are needed, the tightness of the upper thread often influences the sewing effect in sewing, so that a thread clamping mechanism becomes an indispensable mechanism of the sewing machine, the thread clamping mechanism needs to be opened in actual use to clamp the threads into the thread clamping mechanism, in the existing sewing machine, the thread clamping often depends on an opening mechanism formed by a plurality of independent parts to open, and thus, the sharing of the parts in the machine is low, and the development of a micro sewing machine is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a double-layered line opening mechanism, this double-layered line opening mechanism utilize the quick-witted needle post of activity to serve as the butt joint post ingeniously, make its and the plate cooperation of opening of double-layered line mechanism reach the purpose of opening double-layered line mechanism, have strengthened the commonality of part, have reduced the number of part, have not only established the basis for the research and development of miniature sewing machine, the dismouting of still being convenient for.
The technical scheme of the utility model is that: a thread clamping and opening mechanism comprises a thread clamping mechanism and an opening mechanism which can be matched with the thread clamping mechanism in an abutting mode, wherein the thread clamping mechanism comprises a thread clamping shaft and an installation plate which can install the thread clamping mechanism on a sewing machine, a thread blocking piece, a thread pressing piece, a spring, a nut for blocking the spring and a tightness adjusting button are sequentially sleeved on the thread clamping shaft, the nut and the tightness adjusting button are both in threaded connection with the thread clamping shaft, and the thread blocking piece and the thread pressing piece are connected with the installation plate in a clamping mode; the opening plate is arranged on one side of the line pressing piece and matched with the line pressing piece; the opening mechanism comprises a mounting frame capable of mounting the opening mechanism on the sewing machine, an adjusting presser foot for opening the thread clamping mechanism, a butting column serving as a machine needle column of the sewing machine and a stop block; a first through hole and a second through hole are formed in the mounting frame, one end of the abutting column penetrates through the first through hole and can abut against the opening plate, and the other end of the abutting column can be connected with the machine needle mechanism; one end of the stop block is sleeved on the abutting column, and the other end of the stop block penetrates through the second through hole to be in abutting fit with the adjusting presser foot.
Furthermore, the line ball piece with open board integrated into one piece, reduce the part number, make things convenient for the dismouting, and the management of the part of being convenient for when the partition.
Furthermore, a convex strip is arranged on the mounting plate, a first concave position is arranged on one side of the line blocking piece, and a limiting through hole is arranged on the side part of the line pressing piece; the convex strip can be clamped into the first concave position, and the free end of the convex strip can penetrate through the limiting through hole. Through the cooperation of sand grip and first concave position, spacing through-hole not only can with the mounting panel the stop line piece with the line ball piece links together, when the line ball piece activity, spacing through-hole can have certain limiting displacement to the line ball piece moreover, prevents that it from sliding and run the position.
Further, the stop block comprises a sleeve ring and a convex plate which are integrally formed, the sleeve ring is sleeved on the abutting column, the convex plate penetrates through the second through hole to be left outside, and the adjusting presser foot can be abutted and matched with the convex plate. Furthermore, a first threaded hole is formed in the sleeve ring, and a second threaded hole is formed in the butting column; the sleeve joint ring is sleeved on the butt joint column and penetrates through the first threaded hole and the second threaded hole through bolts to be fixed on the butt joint column. When the dog only cup joints on the butt post, probably can appear sliding, consequently, through the cooperation of bolt and first screw hole and second screw hole, make the dog fix on the butt post, when adjusting the presser foot butt to the dog, can not appear sliding and influence the opening of trapping mechanism.
Furthermore, connecting columns are arranged on two sides of the upper part of the adjusting presser foot, and the adjusting presser foot is rotatably arranged on the sewing machine.
Compared with the prior art, the utility model has the advantages of: through the reasonable setting of each mechanism in the sewing machine, especially the reasonable setting of thread clamping mechanism, make mobilizable eedle post act as the butt post of opening thread clamping mechanism, strengthened sewing machine internals's commonality, reduced sewing machine's part, and then, established the basis for miniature sewing machine's research and development, and the dismouting of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an overall structure diagram of the present invention;
fig. 2 is an exploded view of the wire clamping mechanism of the present invention;
FIG. 3 is a combination view of the abutment post and the adjusting presser foot of the present invention;
wherein: 11. mounting a plate; 111. a convex strip; 12. a wire clamping shaft; 13. a thread stop sheet; 131. a first concave position; 14. pressing line sheets; 141. a limiting through hole; 15. a spring; 16. a nut; 17. an elastic adjusting button; 18. opening the plate; 21. a mounting frame; 211. a first through hole; 212. a second through hole; 22. adjusting the presser foot; 221. connecting columns; 23. a butting post; 231. a second threaded hole; 24. a stopper; 241. a sleeving connection ring; 2411. a first threaded hole; 242. a convex plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Embodiments of the present invention will be described below with reference to the accompanying drawings:
as shown in fig. 1-2, a thread clamping and opening mechanism comprises a thread clamping mechanism and an opening mechanism capable of being in butt fit with the thread clamping mechanism, wherein the thread clamping mechanism comprises a thread clamping shaft 12 and a mounting plate 11 capable of mounting the thread clamping mechanism on a sewing machine, a thread blocking piece 13, a thread pressing piece 14, a spring 15, a nut 16 for blocking the spring 15 and an elastic adjusting button 17 are sequentially sleeved on the thread clamping shaft 12, the nut 16 and the elastic adjusting button 17 are both in threaded connection with the thread clamping shaft 12, and the thread blocking piece 13 and the thread pressing piece are in clamping connection with the mounting plate 11; an opening plate 18 which is arranged at one side of the line pressing piece 14 and matched with the line pressing piece 14; the opening mechanism comprises a mounting frame 21 which can mount the opening mechanism on the sewing machine, an adjusting presser foot 22 which is used for opening the thread clamping mechanism, an abutting column 23 which is used by a machine needle column of the sewing machine, and a stop block 24; a first through hole 211 and a second through hole 212 are arranged on the mounting frame 21, one end of the abutting column 23 can be abutted with the opening plate 18 through the first through hole 211, and the other end of the abutting column 23 can be connected with a needle mechanism; the stop block 24 includes an integrally formed sleeving ring 241 and a convex plate 242, the sleeving ring 241 is sleeved on the abutting column 23, the convex plate 242 is left outside through the second through hole 212, and the adjusting presser foot 22 can be abutted and matched with the convex plate 242.
In the above embodiment, in order to reduce the number of parts, facilitate the disassembly and assembly, and facilitate the management of the parts during the disassembly, the line pressing piece and the opening plate 18 are designed to be integrally formed.
In the above embodiment, the mounting plate 11, the thread stop piece 13 and the thread pressing piece are connected together. A convex strip 111 is additionally arranged on the mounting plate 11, a first concave position 131 is additionally arranged on one side of the line blocking sheet 13, and a limiting through hole 141 is additionally arranged on the side part of the line pressing sheet; the protruding strip 111 can be engaged into the first recess 131, and the free end thereof can pass through the limiting through hole 141. When the wire pressing sheet moves, the limiting through hole 141 can limit the wire pressing sheet to a certain extent, so that the wire pressing sheet is prevented from sliding and moving.
In the above embodiment, when the stopper 24 is only sleeved on the abutment post 23, there is a possibility of sliding, so the first threaded hole 2411 is additionally provided on the sleeve ring 241, and the second threaded hole 231 is additionally provided on the abutment post 23; the stop block 24 is fixed on the abutting column 23 through the matching of the bolt and the first threaded hole 2411 and the second threaded hole 231, and when the adjusting presser foot 22 abuts against the stop block 24, the sliding cannot occur to influence the opening of the wire clamping mechanism.
In the above embodiment, the connecting columns 221 are disposed on both sides of the upper portion of the adjusting presser foot 22, and the adjusting presser foot 22 is rotatably mounted on the sewing machine.
The utility model discloses a working method describes:
when the upper thread is required to be clamped into the thread clamping mechanism, the sewing action of the machine needle is stopped, the adjusting presser foot 22 is manually lifted to push against the stop block 24, the abutting column 23 is driven to move upwards, the top end of the abutting column 23 abuts against the opening plate 18 of the thread clamping mechanism, the thread clamping mechanism is opened, the upper thread can be clamped into the thread clamping mechanism, and the adjusting presser foot 22 is manually pulled down after the upper thread is added, so that the thread clamping of the upper thread is completed. When the upper thread is too loose or too tight, the tightness adjusting button 17 can be rotated to adjust.
The beneficial effects of the utility model reside in that: through the reasonable setting of each mechanism in the sewing machine, especially the reasonable setting of thread clamping mechanism, make mobilizable eedle post act as the butt post of opening thread clamping mechanism, strengthened sewing machine internals's commonality, reduced sewing machine's part, and then, established the basis for miniature sewing machine's research and development, and the dismouting of being convenient for.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. A thread clamping and opening mechanism comprises a thread clamping mechanism and an opening mechanism which can be matched with the thread clamping mechanism in an abutting mode, and is characterized in that the thread clamping mechanism comprises a thread clamping shaft and a mounting plate which can mount the thread clamping mechanism on a sewing machine, a thread blocking piece, a thread pressing piece, a spring, a nut used for blocking the spring and a tightness adjusting button are sequentially sleeved on the thread clamping shaft, the nut and the tightness adjusting button are both in threaded connection with the thread clamping shaft, and the thread blocking piece and the thread pressing piece are connected with the mounting plate in a clamping mode; the opening plate is arranged on one side of the line pressing piece and matched with the line pressing piece; the opening mechanism comprises a mounting frame capable of mounting the opening mechanism on the sewing machine, an adjusting presser foot for opening the thread clamping mechanism, a butting column serving as a machine needle column of the sewing machine and a stop block; a first through hole and a second through hole are formed in the mounting frame, one end of the abutting column penetrates through the first through hole and can abut against the opening plate, and the other end of the abutting column can be connected with the machine needle mechanism; one end of the stop block is sleeved on the abutting column, and the other end of the stop block penetrates through the second through hole to be in abutting fit with the adjusting presser foot.
2. The pinch-open mechanism according to claim 1, wherein the pinch sheet is integrally formed with the opening plate.
3. The wire clamping opening mechanism as claimed in claim 1, wherein a convex strip is provided on the mounting plate, a first concave position is provided on one side of the wire blocking piece, and a limiting through hole is provided on the side of the wire pressing piece; the convex strip can be clamped into the first concave position, and the free end of the convex strip can penetrate through the limiting through hole.
4. The wire clamp opening mechanism of claim 1 wherein said stop comprises an integrally formed collar that is fitted over said abutment post and a tab that is externally exposed through said second through hole, said adjustment presser foot being abuttingly engageable with said tab.
5. The wire trap opening mechanism of claim 4, wherein said collar has a first threaded hole and said abutment post has a second threaded hole; the sleeve joint ring is sleeved on the butt joint column and penetrates through the first threaded hole and the second threaded hole through bolts to be fixed on the butt joint column.
6. The thread tension opening mechanism as claimed in claim 1, wherein the adjusting presser foot is rotatably mounted on the sewing machine with connecting posts provided on both sides of an upper portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757319.3U CN211005901U (en) | 2019-10-19 | 2019-10-19 | Wire clamping opening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757319.3U CN211005901U (en) | 2019-10-19 | 2019-10-19 | Wire clamping opening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211005901U true CN211005901U (en) | 2020-07-14 |
Family
ID=71478760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921757319.3U Active CN211005901U (en) | 2019-10-19 | 2019-10-19 | Wire clamping opening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211005901U (en) |
-
2019
- 2019-10-19 CN CN201921757319.3U patent/CN211005901U/en active Active
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