CN217869445U - Tightening device of sewing machine - Google Patents
Tightening device of sewing machine Download PDFInfo
- Publication number
- CN217869445U CN217869445U CN202221644616.9U CN202221644616U CN217869445U CN 217869445 U CN217869445 U CN 217869445U CN 202221644616 U CN202221644616 U CN 202221644616U CN 217869445 U CN217869445 U CN 217869445U
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- sewing machine
- coil
- dwang
- plate
- install bin
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Abstract
The utility model discloses a sewing machine props tight device, including the sewing machine body and be used for the coil that the sewing thread carried, still including setting up the install bin on the sewing machine body, it is connected with the dwang to rotate on the install bin, the one end of dwang is run through and is connected through the installation component between install bin and the coil, the inside of install bin is provided with and is used for the dwang to prop tightly prevents wire-wound subassembly that props tightly. The utility model discloses a sewing machine props tight device, when the sewing machine body stops and stops the sewing, through propping tight subassembly, prop tightly spacing immediately to the dwang after shutting down and the coil of connecting on the dwang, avoid shutting down the back coil and take place to continue to rotate under the inertial action and send the line, further avoided causing the wire-wound phenomenon of sewing machine because of the unnecessary line that sends of coil, the sewing machine's of being convenient for operation is used.
Description
Technical Field
The utility model belongs to the technical field of sewing machine, specifically speaking relates to a sewing machine props tight device.
Background
When the sewing machine is in sewing operation, the thread of the sewing machine is pulled to rotate, when the sewing machine is stopped, the thread of the pulled and rotated thread cannot be immediately stopped to feed and rotate under the action of inertia, so that the sewing thread is loose, and the thread is easily wound when the sewing machine operates again, so that the sewing machine is inconvenient to operate and use.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model adopts the following basic concept:
the utility model provides a sewing machine props tight device, includes the sewing machine body and is used for the coil that the sewing thread carried, still including setting up the install bin on the sewing machine body, it is connected with the dwang to rotate on the install bin, the one end of dwang is run through and is connected through the installation component between install bin and the coil, the inside of install bin is provided with and is used for the dwang to prop tightly prevents the wire-wound subassembly that props tightly.
Prop tight subassembly including fixing the plectane on the dwang lateral wall, annular array has seted up a plurality of C type spacing grooves on the plectane, the inside of sewing machine body is provided with the driving plate, be connected with C type limiting plate through promoting the subassembly on the driving plate.
Promote the subassembly including fixing at the driving plate by a plurality of sleeve pipes to plectane one side, each sliding connection has the slide bar on the sleeve pipe, each the other end and the C type spacing board of slide bar are fixed mutually, each the cover is equipped with the spring on the sheathed tube lateral wall, C type limiting plate offsets the setting with C type spacing groove under the spring action of spring, be provided with the adjustment subassembly that is used for the driving plate to remove the adjustment on the install bin.
The adjusting assembly comprises a threaded sleeve installed on the installation box, a lead screw is connected to the threaded sleeve in a meshed mode, the lead screw is rotatably connected with one side of the transmission plate, a plurality of T-shaped guide rods are connected to the installation box in a sliding mode, and one end of each T-shaped guide rod is fixed to the transmission plate.
The installation component comprises a connecting plate fixed at one end of the rotating rod, a thread groove is formed in the connecting plate, a screw rod is fixed at one end of the coil, and the screw rod is in threaded connection with the thread groove.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses a sewing machine props tight device, when the sewing machine body stops and stops the sewing, through propping tight subassembly, prop tightly spacing immediately to the dwang after shutting down and the coil of connecting on the dwang, avoid shutting down the back coil and take place to continue to rotate under the inertial action and send the line, further avoided causing the wire-wound phenomenon of sewing machine because of the unnecessary line that sends of coil, the sewing machine's of being convenient for operation is used.
The following describes embodiments of the present invention in further detail with reference to the attached drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic structural view of the mounting assembly and the tightening assembly of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
fig. 4 is an enlarged view of the projection 2 at B.
In the figure: 1-sewing machine body; 2-a coil; 3, installing a box; 4-rotating the rod; 501-connecting plate; 502-thread groove; 503-screw rod; 601-circular plate; 602-C type spacing groove; 603-C type limiting plates; 7-a transmission plate; 801-casing; 802-a slide bar; 803-a spring; 901-thread sleeve; 902-a screw rod; 903-T type guide rod.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in fig. 1 to 4, a sewing machine stretching device, including sewing machine body 1 and coil 2 that is used for the sewing thread to carry, still including setting up install bin 3 on sewing machine body 1, it is connected with dwang 4 to rotate on install bin 3, the one end of dwang 4 runs through and is connected through the installation component between install bin 3 and the coil 2, the inside of install bin 3 is provided with and is used for dwang 4 to stretch and prevent the wire-wound stretching subassembly, when sewing machine body 1 shuts down and stops the sewing, through stretching the subassembly, it is spacing to stretch immediately to dwang 4 after shutting down and coil 2 of being connected on dwang 4, avoid shutting down back coil 2 and taking place to continue to rotate under the inertia and send the line, further avoided causing the wire-wound phenomenon of sewing machine because of the unnecessary sending of coil 2, be convenient for the operation of sewing machine to use.
Prop tight subassembly including fixing the plectane 601 on the dwang 4 lateral wall, annular array has seted up a plurality of C type spacing grooves 602 on the plectane 601, the inside of sewing machine body 1 is provided with driving plate 7, be connected with C type limiting plate 603 through promoting the subassembly on the driving plate 7, when sewing machine body 1 shut down and stop the sewing, C type limiting plate 603 resets under the elastic force effect of each spring 803 and offsets with C type spacing groove 602 on the plectane 601, through the relative action between C type limiting plate 603 and the C type spacing groove 602, prop tightly spacing immediately to dwang 4 after shutting down and coil 2 of being connected on the dwang 4.
The pushing assembly comprises a plurality of sleeves 801 fixed on one side, close to the circular plate 601, of the transmission plate 7, sliding rods 802 are connected to the sleeves 801 in a sliding mode, the other ends of the sliding rods 802 are fixed to the C-shaped limiting plates 603, springs 803 are sleeved on the side walls of the sleeves 801, the C-shaped limiting plates 603 abut against the C-shaped limiting grooves 602 under the elastic force of the springs 803, an adjusting assembly used for moving and adjusting the transmission plate 7 is arranged on the installation box 3, the C-shaped limiting plates 603 and the C-shaped limiting grooves 602 are convenient to push to abut against and set through the pushing assembly, and in the moving process of the C-shaped limiting plates 603, the sliding rods 802 are driven to slide on the sleeves 801 respectively to guide the movement of the C-shaped limiting plates 603.
The adjusting assembly comprises a threaded sleeve 901 installed on an installation box 3, a lead screw 902 is connected to the threaded sleeve 901 in a threaded meshing manner, the lead screw 902 is rotatably connected with one side of a transmission plate 7, a plurality of T-shaped guide rods 903 are slidably connected to the installation box 3, one end of each T-shaped guide rod 903 is fixed to the transmission plate 7, the lead screw 902 is rotated, in the rotating process of the lead screw 902, through the mutual meshing transmission between the lead screw 902 and the threaded sleeve 901 and the guiding effect of each T-shaped guide rod 903, the transmission plate 7 moves towards or away from a circular plate 601 in the installation box 3, the driving plate 7 is adjusted in a moving manner, the extrusion force of a spring 803 in the process of offsetting between a C-shaped limiting groove 602 and a C-shaped limiting plate 603 is changed, the tightening effect of the rotating rod 4 and a coil 2 is further changed, and the tightening assembly can tighten the rotating rod 4 and the coil 2 under different conditions for protection.
The installation component comprises a connecting plate 501 fixed at one end of the rotating rod 4, a thread groove 502 is formed in the connecting plate 501, a screw 503 is fixed at one end of the coil 2, the screw 503 is in threaded connection with the thread groove 502, the screw 503 on the coil 2 is in threaded connection with the thread groove 502 of the connecting plate 501, and the coil 2 is conveniently connected with the rotating rod 4 on the installation box 3.
When the sewing machine is operated and used, a screw 503 on the coil 2 is in threaded connection with a threaded groove 502 of a connecting plate 501, the connection between the coil 2 and the rotating rod 4 on the mounting box 3 is completed, after the coil 2 is mounted, the coil 2 feeds the sewing needle on the sewing machine body 1, and in the process of feeding the thread, the pulling force on the sewing machine body 1 to the sewing thread is greater than the resistance force generated on the rotating rod 4 by the interaction between the C-shaped limiting plate 603 and the C-shaped limiting groove 602, so that the coil 2 and the rotating rod 4 are pulled to rotate along with the sewing thread feeding;
when the sewing machine body 1 stops and stops sewing, the C-shaped limiting plate 603 resets under the elastic force of each spring 803 and abuts against the C-shaped limiting groove 602 on the circular plate 601, the rotating rod 4 and the coil 2 connected with the rotating rod 4 after the machine stops are immediately supported and limited through the relative action between the C-shaped limiting plate 603 and the C-shaped limiting groove 602, the phenomenon that the coil 2 continuously rotates to send threads under the inertia effect after the machine stops is avoided, the phenomenon that the sewing machine winds the threads due to the fact that the threads are sent by the coil 2 are further avoided, and the sewing machine is convenient to operate and use;
when the tightening effect of the rotating rod 4 and the coil 2 needs to be adjusted, the screw rod 902 is rotated, in the rotating process of the screw rod 902, the transmission of the screw rod 902 and the thread sleeve 901 and the guiding effect of each T-shaped guide rod 903 are realized, the transmission plate 7 moves towards or away from the circular plate 601 in the installation box 3, the movement adjustment of the transmission plate 7 is realized, the extrusion force of the spring 803 between the C-shaped limiting groove 602 and the C-shaped limiting plate 603 in the process of offsetting is changed, the tightening effect of the rotating rod 4 and the coil 2 is further changed, and the tightening assembly can be used for tightening and protecting the rotating rod 4 and the coil 2 under different conditions.
Claims (5)
1. A sewing machine stretching device comprising:
a sewing machine body (1) and a coil (2) for conveying sewing threads;
it is characterized by also comprising:
install bin (3) of setting on sewing machine body (1), it is connected with dwang (4) to rotate on install bin (3), the one end of dwang (4) is run through and is connected through the installation component between install bin (3) and coil (2), the inside of install bin (3) is provided with and is used for dwang (4) to prop tightly prevents wire-wound subassembly that props up.
2. The tightening device of the sewing machine according to claim 1, wherein the tightening assembly comprises a circular plate (601) fixed on the side wall of the rotating rod (4), a plurality of C-shaped limiting grooves (602) are formed in the circular plate (601), a transmission plate (7) is arranged inside the sewing machine body (1), and a C-shaped limiting plate (603) is connected to the transmission plate (7) through a pushing assembly.
3. The sewing machine stretching device according to claim 2, wherein the pushing assembly comprises a plurality of sleeves (801) fixed on one side of a circular plate (601) close to the transmission plate (7), each sleeve (801) is slidably connected with a sliding rod (802), each sliding rod (802) is fixed to the other end of the C-shaped limiting plate (603), each sleeve (801) is sleeved with a spring (803) on the side wall, the C-shaped limiting plate (603) is abutted to the C-shaped limiting groove (602) under the elastic force action of the spring (803), and an adjusting assembly for moving and adjusting the transmission plate (7) is arranged on the installation box (3).
4. The tightening device of the sewing machine according to claim 3, wherein the adjusting assembly comprises a threaded sleeve (901) mounted on the mounting box (3), the threaded sleeve (901) is connected with a lead screw (902) in a threaded engagement manner, the lead screw (902) is rotatably connected with one side of the transmission plate (7), a plurality of T-shaped guide rods (903) are slidably connected on the mounting box (3), and one end of each T-shaped guide rod (903) is fixed with the transmission plate (7).
5. The tightening device of the sewing machine according to claim 1, wherein the mounting assembly comprises a connecting plate (501) fixed at one end of the rotating rod (4), a threaded groove (502) is formed on the connecting plate (501), a threaded rod (503) is fixed at one end of the coil (2), and the threaded rod (503) is in threaded connection with the threaded groove (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221644616.9U CN217869445U (en) | 2022-06-29 | 2022-06-29 | Tightening device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221644616.9U CN217869445U (en) | 2022-06-29 | 2022-06-29 | Tightening device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217869445U true CN217869445U (en) | 2022-11-22 |
Family
ID=84097686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221644616.9U Active CN217869445U (en) | 2022-06-29 | 2022-06-29 | Tightening device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217869445U (en) |
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2022
- 2022-06-29 CN CN202221644616.9U patent/CN217869445U/en active Active
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