CN214938292U - Adjustable tooth falling structure - Google Patents
Adjustable tooth falling structure Download PDFInfo
- Publication number
- CN214938292U CN214938292U CN202121357631.0U CN202121357631U CN214938292U CN 214938292 U CN214938292 U CN 214938292U CN 202121357631 U CN202121357631 U CN 202121357631U CN 214938292 U CN214938292 U CN 214938292U
- Authority
- CN
- China
- Prior art keywords
- feed dog
- lifting
- tooth
- crank
- sewing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides an adjustable tooth structure that falls, includes the lower shaft, the cover has the feed dog cam on the one end of lower shaft, the top of feed dog cam is provided with feed dog crank, one side of feed dog crank is provided with the feed dog torsional spring, be provided with the feed dog rocker on the feed dog crank, be provided with the feed dog axle in the feed dog rocker, be provided with the feed dog roller cover on the feed dog crank, one side of feed dog roller cover is provided with the dental articulator of adorning on the sewing machine, be provided with the feed dog on the dental articulator, be provided with the dental articulator pressure spring on the dental articulator, the dental articulator pressure spring is located between dental articulator and the faller. The utility model discloses profitable effect is: the position of general regulation feed dog axle subassembly, the position of transform feed dog realizes general sewing and embroidery sewing's switching and uses, makes the sewing machine can realize general sewing and embroidery sewing's effect through adjusting the tooth structure that falls, realizes multi-functional sewing's effect, improves sewing efficiency, reduction in production cost.
Description
Technical Field
The utility model relates to a sewing machine technical field especially relates to an adjustable tooth structure that falls.
Background
At present, when a conventional sewing machine is used for sewing, the conventional general sewing can be usually only carried out, and for a sewing product, the conventional sewing machine also needs the simultaneous existence of the general sewing and the embroidery sewing, but the conventional sewing machine can not meet the requirements of various sewing, so that the additional embroidery sewing machine is needed for working, and the defects existing in the prior art are as follows: the sewing machine with different functions is required to work, the occupied area is large, time and labor are wasted, the sewing time is long, the sewing work efficiency is low, the production efficiency is low, the required cost is increased, and the practical application effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the problem that above-mentioned prior art exists, provide an adjustable tooth structure that falls, make sewing machine through adjusting tooth structure that falls, can realize general sewing and embroidery sewing's effect, realize multi-functional sewing's effect, improve sewing efficiency, improve production efficiency, reduction in production cost.
The utility model provides a technical scheme that its technical problem adopted: the adjustable tooth falling structure comprises a lower shaft, wherein a feed dog cam is sleeved at one end of the lower shaft, a feed dog crank is arranged above the feed dog cam, the bottom surface of the handle end of the feed dog crank is in contact with the feed dog cam, a feed dog torsion spring is arranged at one side of the feed dog crank, a torsion spring hook at one end of the feed dog torsion spring is arranged on the upper surface of the handle end of the feed dog crank, a feed dog swing frame is arranged on the feed dog crank, a feed dog shaft is arranged in the feed dog swing frame, the feed dog torsion spring penetrates through the feed dog torsion spring and the feed dog crank, a torsion spring hook at the other end of the feed dog torsion spring is arranged on the feed dog shaft, a feed dog roller sleeve is arranged on the feed dog crank, a feed dog is arranged on one side of the feed dog roller sleeve, a feed dog is arranged on the feed dog, and the feed dog is positioned between the feed dog frame and the needle plate.
The feed lifting roller sleeve is provided with a feed lifting roller shaft and is arranged on the feed lifting crank through the feed lifting roller shaft.
The feed lifting crank is provided with a mounting screw.
The utility model discloses profitable effect is: the utility model discloses an adjustable tooth structure that falls, it is rational in infrastructure, the position of tooth axle subassembly is lifted in general regulation, the position of transform feed dog realizes general sewing and the switching use of embroidery sewing, makes the sewing machine can enough realize general sewing and the effect of embroidery sewing through adjusting tooth structure that falls, realizes multi-functional sewing's effect, improves sewing efficiency, improves production efficiency, reduction in production cost, labour saving and time saving reduces the area that sewing machine occupy, excellent in use effect does benefit to the popularization.
Drawings
FIG. 1 is a schematic structural view of a normal sewing operation of the embodiment of the present invention;
FIG. 2 is a schematic side view of a normal sewing operation of the embodiment of the present invention;
FIG. 3 is a schematic structural view of the embroidery sewing machine according to the embodiment of the present invention;
FIG. 4 is a schematic side view of the embroidery sewing machine according to the embodiment of the present invention;
fig. 5 is a schematic view of a tooth lifting structure according to an embodiment of the present invention;
fig. 6 is an exploded view of a tooth lifting structure according to an embodiment of the present invention.
Description of reference numerals: the feed dog mechanism comprises a lower shaft 1, a feed dog cam 2, a feed dog crank 3, a feed dog torsion spring 4, a feed dog swing frame 5, a feed dog shaft 6, a feed dog roller sleeve 7, a feed dog 8, a feed dog 9, a needle plate 10, a feed dog compression spring 11, a feed dog roller shaft 12 and a mounting screw 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
with reference to the accompanying drawings: the adjustable tooth falling structure comprises a lower shaft 1, a tooth lifting cam 2 is sleeved at one end of the lower shaft 1, a tooth lifting crank 3 is arranged above the tooth lifting cam 2, the bottom surface of the handle end of the tooth lifting crank 3 is contacted with the tooth lifting cam 2, a tooth lifting torsion spring 4 is arranged at one side of the tooth lifting crank 3, a torsion spring hook at one end of the tooth lifting torsion spring 4 is arranged on the upper surface of the handle end of the tooth lifting crank 3, a tooth lifting swing frame 5 is arranged on the tooth lifting crank 3, a tooth lifting shaft 6 is arranged in the tooth lifting swing frame 5, the tooth lifting shaft 6 penetrates into the tooth lifting torsion spring 4 and the tooth lifting crank 3, a torsion spring hook at the other end of the tooth lifting torsion spring 4 is arranged on the tooth lifting shaft 6, a tooth lifting roller sleeve 7 is arranged on the tooth lifting crank 3, a tooth frame 8 arranged on a sewing machine is arranged at one side of the tooth lifting roller sleeve 7, a cloth feeding tooth 9 is arranged on the tooth frame 8, a needle plate 10 is arranged on the cloth feeding tooth 9, a tooth frame pressure spring 11 is arranged on the tooth frame 8, the tooth frame compression spring 11 is positioned between the tooth frame 8 and the needle plate 10.
The feed lifting roller sleeve 7 is provided with a feed lifting roller shaft 12, and the feed lifting roller sleeve 7 is arranged on the feed lifting crank 3 through the feed lifting roller shaft 12.
The feed lifting crank 3 is provided with a mounting screw 13.
As shown in fig. 1, 2, 5, and 6, a portion a is a portion where the dental articulator 8 contacts the feed roller sleeve 7, a portion C is a shank end of the feed crank 3, and a portion D is a tooth of the feed dog 9.
The lower shaft 1, the feed lifting cam 2, the feed lifting crank 3, the feed lifting torsion spring 4, the feed lifting swing frame 5, the feed lifting shaft 6, the feed lifting roller sleeve 7 and the feed lifting roller shaft 12 form a feed lifting shaft assembly.
The mounting screw 13 adopts a hexagon socket fastening screw M4X4, when the feed lifting tooth torsion spring 4 is mounted, the feed lifting tooth crank 3 and the feed lifting tooth shaft 6 have torsion, the tooth rack 8 is mounted on the sewing machine, and the mounting is carried out according to a conventional mode, which is not described again.
The general normal sewing principle: the part A is matched with a feed lifting roller sleeve 7, a feed lifting cam 2 is matched with a part C, during sewing work, a lower shaft 1 rotates to drive the feed lifting cam 2 to rotate, so that the part C of a feed lifting crank 3 is lifted, and then the feed lifting roller sleeve 7, a feed rack 8 and a feed dog 9 are sequentially driven, so that teeth D in the feed dog 9 are higher than the plane of a needle plate 10, and common feed sewing work is realized, as shown in fig. 1 and 2.
Embroidery sewing principle: the feed lifting shaft assembly is adjusted in the arrow direction, so that the part A is not matched with the feed lifting roller sleeve 7, the feed lifting cam 2 is not matched with the part C, the feed lifting cam is bounced to open the feed lifting rack 8 by the elastic force of the feed lifting rack pressure spring 11 during working, and the tooth D in the feed lifting dog 9 is lower than the plane of the needle plate 10, so that embroidery sewing work is realized, as shown in fig. 3 and 4.
The embodiment of the utility model provides an in, the principle is through the position of adjusting the feed dog axle subassembly, and the switching of transform feed dog realizes general sewing and embroidery sewing uses, makes two kinds of sewing functions homoenergetic use, realizes multi-functional effect.
The embodiment of the utility model provides a characteristics are: the position of general regulation feed dog axle subassembly, the position of transform feed dog realizes general sewing and embroidery sewing's switching and uses, makes the sewing machine can realize general sewing and embroidery sewing's effect through adjusting the tooth structure that falls, realizes multi-functional sewing's effect, improves sewing efficiency, improves production efficiency, reduction in production cost, labour saving and time saving reduces the area that sewing machine occupy, excellent in use effect does benefit to the popularization.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (3)
1. An adjustable teething structure, comprising: the thread lifting mechanism comprises a lower shaft (1), a thread lifting cam (2) is sleeved at one end of the lower shaft (1), a thread lifting crank (3) is arranged above the thread lifting cam (2), the bottom surface of the handle end of the thread lifting crank (3) is in contact with the thread lifting cam (2), a thread lifting torsion spring (4) is arranged at one side of the thread lifting crank (3), a torsion spring hook at one end of the thread lifting torsion spring (4) is arranged on the upper surface of the handle end of the thread lifting crank (3), a thread lifting swing frame (5) is arranged on the thread lifting crank (3), a thread lifting shaft (6) is arranged in the thread lifting swing frame (5), the thread lifting shaft (6) penetrates into the thread lifting torsion spring (4) and the thread lifting crank (3), a torsion spring hook at the other end of the thread lifting torsion spring (4) is arranged on the thread lifting shaft (6), a thread lifting roller sleeve (7) is arranged on the thread lifting crank (3), and a thread lifting roller sleeve (8) arranged on a sewing machine is arranged at one side of the thread lifting roller sleeve (7), the cloth feeding device is characterized in that a cloth feeding tooth (9) is arranged on the tooth frame (8), a needle plate (10) is arranged on the cloth feeding tooth (9), a tooth frame pressure spring (11) is arranged on the tooth frame (8), and the tooth frame pressure spring (11) is located between the tooth frame (8) and the needle plate (10).
2. The adjustable teething structure of claim 1, wherein: a tooth lifting roller shaft (12) is arranged on the tooth lifting roller sleeve (7), and the tooth lifting roller sleeve (7) is arranged on the tooth lifting crank (3) through the tooth lifting roller shaft (12).
3. The adjustable teething structure of claim 1, wherein: and a mounting screw (13) is arranged on the feed lifting crank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357631.0U CN214938292U (en) | 2021-06-17 | 2021-06-17 | Adjustable tooth falling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357631.0U CN214938292U (en) | 2021-06-17 | 2021-06-17 | Adjustable tooth falling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214938292U true CN214938292U (en) | 2021-11-30 |
Family
ID=79048125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121357631.0U Active CN214938292U (en) | 2021-06-17 | 2021-06-17 | Adjustable tooth falling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214938292U (en) |
-
2021
- 2021-06-17 CN CN202121357631.0U patent/CN214938292U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107558015B (en) | Sewing machine and needle pitch adjusting mechanism thereof | |
| CN214938292U (en) | Adjustable tooth falling structure | |
| CN201236268Y (en) | Motor direct drive type under differential sewing machine | |
| CN107268257B (en) | Cloth hold-down mechanism | |
| CN109573205B (en) | Feed packaging bag stamping device | |
| CN2908359Y (en) | Bag feeding type packing machine | |
| CN210657425U (en) | Overedger | |
| CN203741563U (en) | High-speed embroidery machine head component | |
| CN202714162U (en) | Pecan husking machine | |
| CN200942880Y (en) | Baling machine with fusion mechanism | |
| CN2646176Y (en) | Presser plate regulating mechanism of computerised spininess quilter | |
| CN211171167U (en) | High-speed towel embroidery sequin embroidery device | |
| CN2886694Y (en) | A paper feeder for bill printer | |
| CN213624657U (en) | Synchronous regulating mop wheel mechanism | |
| CN219690028U (en) | Presser foot lifting structure for button sewing machine | |
| CN216372000U (en) | Linkage pressing device | |
| CN200961191Y (en) | Sewing machine needle distance regulating mechanism | |
| CN218891582U (en) | Centreless grinder | |
| CN218621327U (en) | Electronic rear tug device and sewing machine | |
| CN215925270U (en) | Mechanism for lifting presser foot and trimming by motor double-cam drive and sewing machine | |
| CN201261039Y (en) | Novel punching machine linkage rod type structure | |
| CN213295745U (en) | Thread trimming and presser foot lifting mechanism with improved structure and overedger | |
| CN217174027U (en) | Sewing machine lifts presser foot and falls tooth mechanism in step | |
| CN201960285U (en) | Saw bit revolution alloy-compressing mechanism of automatic brazing machine | |
| CN217459804U (en) | One-driving-two structure of sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |