CN212771331U - Thread take-up mechanism of sewing machine - Google Patents
Thread take-up mechanism of sewing machine Download PDFInfo
- Publication number
- CN212771331U CN212771331U CN202021617376.4U CN202021617376U CN212771331U CN 212771331 U CN212771331 U CN 212771331U CN 202021617376 U CN202021617376 U CN 202021617376U CN 212771331 U CN212771331 U CN 212771331U
- Authority
- CN
- China
- Prior art keywords
- take
- lever
- thread
- hole
- sewing machine
- 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 discloses a thread take-up mechanism of a sewing machine, which comprises a machine body shell; the horizontal sliding rail is fixed on the inner wall of the machine body shell; the sliding block is arranged on the horizontal sliding rail in a sliding manner; the take-up lever is arranged at the upper part of the sliding block; the spring fixing hole is arranged in the middle of the take-up lever; the thread take-up hole is arranged at the upper end of the thread take-up rod; the take-up lever limiting groove is formed in the machine body shell, and the take-up lever penetrates through the take-up lever limiting groove; a transmission shaft rotatably disposed in the body housing; the cam is arranged on the transmission shaft and is in contact with the sliding block; one end of the tension spring is connected with the spring fixing hole, and the other end of the tension spring is connected with a fixing piece which is arranged on the machine body shell; and the lead hole I and the lead hole II are fixed on the machine body shell. The take-up mechanism of the sewing machine solves the problem that the take-up lever is unstable in movement during transverse operation, and improves the reliability of the use of the take-up mechanism; the production cost of the sewing machine is reduced, and the operation is more convenient.
Description
Technical Field
The utility model belongs to the technical field of sewing machine, more specifically say, the utility model relates to a sewing machine's take-up mechanism.
Background
The take-up mechanism is an important part of the sewing machine, and plays a role in conveying, recovering the needle thread and tightening the stitch in the process of forming the stitch by sewing; the take-up lever of the take-up mechanism of the traditional sewing machine runs longitudinally, and the transmission shaft connected with the take-up lever runs transversely, so that the work of the take-up transmission mechanism can be realized only by changing the transmission angle or replacing the direction of the transmission shaft of the main power; the patent application number is CN 200820127627.3's a sewing machine take-up mechanism, the problem of take-up mechanism take-up lever lateral motion has been solved, but this take-up mechanism takes place the unstable phenomenon of take-up lever work easily in actual work, the motion of take-up lever is not restricted, along with the increase of live time, the take-up lever, set screw and bearing take place the pine easily and take off the phenomenon, need maintain the adjustment from time to time, the operation of taking-up for sewing machine has brought the inconvenience, the efficiency of sewing take-up work has been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a thread take-up mechanism of a sewing machine, including:
a body housing;
the horizontal sliding rail is fixed on the inner wall of the machine body shell; the sliding block is arranged on the horizontal sliding rail in a sliding manner; a thread take-up lever disposed on an upper portion of the slider; the spring fixing hole is arranged in the middle of the take-up lever; the take-up hole is arranged at the upper end of the take-up lever;
the take-up lever limiting groove is formed in the machine body shell, the take-up lever penetrates through the take-up lever limiting groove, and the take-up lever is positioned above the take-up lever limiting groove;
a transmission shaft rotatably disposed in the body housing; the cam is arranged on the transmission shaft and is in contact with the sliding block;
one end of the tensioning spring is connected with the spring fixing hole, and the other end of the tensioning spring is connected with a fixing piece which is arranged on the machine body shell;
fix pin hole I and pin hole II on the organism shell, choose the line hole to be located between pin hole I and pin hole II.
Preferably, the horizontal sliding rail is composed of four horizontally arranged guide rails.
Preferably, the structure of the slider comprises: the four grooves are matched with the guide rails, and the sliding block is arranged on the horizontal sliding rail in a sliding mode through the grooves; a roller mounting member provided on the slider; and the roller is rotatably arranged on the roller mounting piece through a rotating shaft, and the roller is contacted with the cam.
Preferably, a ball bearing is arranged between the transmission shaft and the machine body shell.
Preferably, an elastic buffer layer is arranged between the take-up lever limiting groove and the take-up lever.
Preferably, the fixing member has a structure including: the annular fixing piece is provided with a through hole, and the fixing piece is fixed on the machine body shell through a bolt; a connection end portion provided in a case of the body case; and the end surface of the spring connecting end is provided with a hook for connecting a tension spring.
Preferably, a sliding groove is formed in the machine body shell, a wire blocking block is arranged in the sliding groove in a sliding mode, and the sliding groove is located on the outer side of the wire leading hole II.
The utility model discloses at least, include following beneficial effect: when this sewing machine take-up mechanism has solved sewing machine take-up mechanism lateral motion problem, the installation of take-up lever is more firm, and the motion of take-up lever is more stable, can not take place the take-up lever pine phenomenon of taking off, has improved the stability and the work efficiency of take-up operation.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Description of the drawings:
FIG. 1 is a schematic structural view of a thread take-up mechanism of a sewing machine according to the present invention;
FIG. 2 is a schematic view of the slider and the thread take-up lever of the sewing machine according to the present invention;
fig. 3 is a schematic view of a fixing member structure of the sewing machine according to the present invention.
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-3: the utility model discloses a thread take-up mechanism of sewing machine, include:
a machine body housing 1;
the horizontal sliding rail 2 is fixed on the inner wall of the machine body shell 1; the sliding block 4 is arranged on the horizontal sliding rail 2 in a sliding manner; a thread take-up lever 3 provided above the slider 4; a spring fixing hole 31 provided in the middle of the thread take-up lever 3; a thread take-up hole 32 provided at an upper end of the thread take-up lever 3;
the take-up lever limiting groove 102 is arranged on the machine body shell 1, the take-up lever 3 penetrates through the take-up lever limiting groove 102, and the take-up hole 32 is positioned above the take-up lever limiting groove 102;
a transmission shaft 8 rotatably provided in the body case 1; a cam 5 mounted on the transmission shaft 8 and contacting the slider 4;
a tension spring 7, one end of which is connected with the spring fixing hole 31, and the other end of which is connected with a fixing piece 13, wherein the fixing piece 13 is arranged on the machine body shell 1;
and the lead hole I11 and the lead hole II 12 are fixed on the machine body shell 1, and the picking hole 32 is positioned between the lead hole I11 and the lead hole II 12.
The working principle is as follows: when the thread take-up mechanism of the sewing machine works, the transmission shaft 8 drives the cam 5 to rotate, meanwhile, the cam 5 drives the slide block 4 which is contacted with the cam to slide on the horizontal slide rail 2, the thread take-up lever 3 transversely moves along with the slide block 4, and the thread picking hole 32 at the upper end of the thread picking rod 3 is positioned between the lead hole I11 and the lead hole II 12, therefore, the thread take-up hole 32 moves transversely between the thread lead hole I11 and the thread lead hole II 12, and because one end of the thread take-up lever 3 is connected with the tension spring 7, the thread take-up lever 3 is pulled back to the initial position by the tension spring 7 after being driven away from the cam 5, therefore, with the rotation of the cam, the thread take-up lever 3 and the slide block 4 do reciprocating motion back and forth on the horizontal slide rail 2, and the needle threads penetrating through the thread take-up hole 32, the lead hole I11 and the lead hole II 12 can be tensioned and loosened with the transverse reciprocating motion of the thread take-up hole 32, so that the purpose of thread take-up is achieved; the arrangement that the thread take-up lever is arranged on the sliding block enables the thread take-up lever 3 to be more stably arranged, and the phenomenon of loosening caused by overlong use time can be avoided; meanwhile, the sliding block 4 is arranged on the horizontal sliding rail 2, so that the movement of the take-up lever 3 is more stable in the take-up process, the stability of the take-up work of the sewing machine is improved, and the take-up is more stable and rapid; the arrangement of the take-up lever limiting groove 102 limits the movement range of the take-up lever 3 and prevents the take-up lever 3 from shifting in the transverse movement process.
In the above technical solution, the horizontal sliding rail 2 is composed of four horizontally arranged guide rails 21.
In the above technical solution, as shown in fig. 2, the slider 4 has a structure including: the four grooves 41 are matched with the guide rails 21, the sliding block 4 is arranged on the horizontal sliding rail 2 in a sliding mode through the grooves 41, the grooves not only enable the sliding block 4 to be arranged on the horizontal sliding rail 2 in a sliding mode, but also have a limiting effect on the sliding block 4, and the sliding block 4 is guaranteed to move horizontally along the horizontal sliding rail 2; a roller mounting member 43 provided on the slider 4; the roller 42 is rotatably mounted on the slide block 4 through a rotating shaft and is in contact with the cam 5, and the arrangement ensures that when the cam 5 drives the slide block 4 to slide, the friction force in contact with the slide block 4 is smaller, resistance can not be caused to the rotation of the cam 5, and the movement of the slide block 5 and the take-up lever 3 is smoother.
In the above technical scheme, be provided with ball bearing 81 between transmission shaft 8 and organism shell 1, ball bearing 81 makes transmission shaft 8 more steady in the motion of rotation process, and frictional force is littleer.
In the above technical solution, an elastic buffer layer (not shown) is arranged between the take-up lever limiting groove 102 and the take-up lever 3, and the elastic buffer layer prevents the take-up lever 3 from colliding with the take-up lever limiting groove 102, and has a buffer protection effect on the take-up lever 3.
In the above technical solution, the structure of the fixing member 13 includes: an annular fixing piece 131 provided with a through hole 1311, the fixing piece 13 being fixed to the body case 1 by a bolt; a connection end portion 132 provided in the case of the body housing 1; the spring connecting end 133 is provided with a hook 1331 at the end surface thereof for connecting the tension spring, and the fixing piece 13 is arranged, so that the tension spring 7 and the fixing piece 13 can be more conveniently detached, and the tension spring 13 with weakened tension can be replaced in time.
In the technical scheme, the machine body shell is provided with the sliding groove 9, the sliding groove 9 is internally provided with the thread blocking block 10 in a sliding mode, the sliding groove 9 is located on the outer side of the lead hole II 12, the thread blocking block 10 can slide along the sliding groove 9, when no needle thread passes through the lead hole I11 and the lead hole II 12, the thread blocking block 10 is used for blocking the lead hole II 12, when the thread blocking block 10 slides to enable the thread blocking block not to block the lead hole II 12, the needle thread penetrates into the lead hole I11, the lead hole II 12 and the thread picking hole 32, and thread picking operation can be continued.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. A thread take-up mechanism of a sewing machine, comprising:
a body housing;
the horizontal sliding rail is fixed on the inner wall of the machine body shell; the sliding block is arranged on the horizontal sliding rail in a sliding manner; a thread take-up lever disposed on an upper portion of the slider; the spring fixing hole is arranged in the middle of the take-up lever; the take-up hole is arranged at the upper end of the take-up lever;
the take-up lever limiting groove is formed in the machine body shell, the take-up lever penetrates through the take-up lever limiting groove, and the take-up lever is positioned above the take-up lever limiting groove;
a transmission shaft rotatably disposed in the body housing; the cam is arranged on the transmission shaft and is in contact with the sliding block;
one end of the tensioning spring is connected with the spring fixing hole, and the other end of the tensioning spring is connected with a fixing piece which is arranged on the machine body shell;
fix pin hole I and pin hole II on the organism shell, choose the line hole to be located between pin hole I and pin hole II.
2. The thread take-up mechanism for a sewing machine as claimed in claim 1, wherein said horizontal slide rail is comprised of four horizontally disposed guide rails.
3. The thread take-up mechanism for a sewing machine as claimed in claim 2, wherein said slider is constructed to include: the four grooves are matched with the guide rails, and the sliding block is arranged on the horizontal sliding rail in a sliding mode through the grooves; a roller mounting member provided on the slider; and the roller is rotatably arranged on the roller mounting piece through a rotating shaft, and the roller is contacted with the cam.
4. The thread take-up mechanism for a sewing machine as claimed in claim 1, wherein a ball bearing is provided between the transmission shaft and the body casing.
5. The thread take-up mechanism for a sewing machine as claimed in claim 1, wherein an elastic buffer layer is provided between the thread take-up lever stopper groove and the thread take-up lever.
6. The thread take-up mechanism for a sewing machine as claimed in claim 1, wherein said fixing member is constructed to include: the annular fixing piece is provided with a through hole, and the fixing piece is fixed on the machine body shell through a bolt; a connection end portion provided in a case of the body case; and the end surface of the spring connecting end is provided with a hook for connecting a tension spring.
7. The thread take-up mechanism for a sewing machine according to claim 1, wherein the body casing is provided with a slide groove in which the thread stop block is slidably provided, the slide groove being located outside the thread guiding hole ii.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021617376.4U CN212771331U (en) | 2020-08-06 | 2020-08-06 | Thread take-up mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021617376.4U CN212771331U (en) | 2020-08-06 | 2020-08-06 | Thread take-up mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212771331U true CN212771331U (en) | 2021-03-23 |
Family
ID=75050412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021617376.4U Active CN212771331U (en) | 2020-08-06 | 2020-08-06 | Thread take-up mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212771331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197119A (en) * | 2021-12-20 | 2022-03-18 | 徐州力达缝纫设备制造有限公司 | Thread take-up mechanism for sewing machine |
-
2020
- 2020-08-06 CN CN202021617376.4U patent/CN212771331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197119A (en) * | 2021-12-20 | 2022-03-18 | 徐州力达缝纫设备制造有限公司 | Thread take-up mechanism for sewing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212771331U (en) | Thread take-up mechanism of sewing machine | |
| CN101591839B (en) | A transfer apparatus for paillette supply unit | |
| CN207958714U (en) | A kind of hooking device | |
| CN110106617A (en) | Telescopic structure plays bottom plate steel wire slewing mechanism | |
| CN212316365U (en) | Plating yarn guide of computerized flat knitting machine | |
| CN203741563U (en) | High-speed embroidery machine head component | |
| CN207452445U (en) | A kind of effective structure for reducing embroidery machine load | |
| CN106592090A (en) | Warp knitting machine of two-needle bar | |
| CN218932551U (en) | Improved thread take-up lever structure of sewing machine | |
| US5189972A (en) | Horizontal axis full rotary hook with a bobbin case holder having a needle guiding means | |
| KR920008101B1 (en) | Double lock stitch sewing machine having a shuttle | |
| CN210438938U (en) | Sewing machine | |
| CN108396471A (en) | A kind of hooking device | |
| CN212335503U (en) | Towel coil lifting mechanism and single-motor shuttle type towel device | |
| CN109355815B (en) | Synchronous feeding mechanism of thick material machine | |
| CN209906984U (en) | High-speed looping warp knitting machine mechanism | |
| CN211569736U (en) | Energy-saving type reverse drum vehicle transmission mechanism and reverse drum | |
| CN215051023U (en) | Equal-pitch spiral weft insertion device | |
| CN208116092U (en) | A kind of Yarn taking-up mechanism and embroidery machine | |
| CN106702624B (en) | Take-up lever locking mechanism and embroidery machine | |
| CN216074249U (en) | Improved vertical button positioning mechanism of vertical button sewing machine | |
| CN217973638U (en) | Transmission case | |
| CN218089994U (en) | Needle outlet mechanism of high-speed ribbon loom | |
| CN215251594U (en) | Sewing machine | |
| CN219256846U (en) | Wire locking mechanism of wire locking machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |