CN212771304U - Sewing machine's gauge needle adjusts structure - Google Patents
Sewing machine's gauge needle adjusts structure Download PDFInfo
- Publication number
- CN212771304U CN212771304U CN202021275174.6U CN202021275174U CN212771304U CN 212771304 U CN212771304 U CN 212771304U CN 202021275174 U CN202021275174 U CN 202021275174U CN 212771304 U CN212771304 U CN 212771304U
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- crank
- sewing machine
- rod seat
- swing rod
- needle
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Abstract
A needle pitch adjusting structure of a sewing machine. The needle pitch adjusting structure mainly solves the problem that the existing needle pitch adjusting structure of the sewing machine directly drives the rotating shaft of the swing rod seat to rotate through a transmission mechanism such as a gear and the like during transmission, and the requirement on the machining precision of the rotating shaft is high. The method is characterized in that: the swing rod seat is provided with a supporting rod (450), the power source is connected with the supporting rod (450) through the transmission assembly and is used for driving the swing rod seat to move, the swing rod seat is connected with the feeding crank, and the feeding crank is sleeved on the feeding shaft and is used for driving the feeding shaft to rotate. The utility model provides a structure is adjusted to sewing machine's gauge needle carries out the transmission through the branch that drives on the pendulum rod seat, and the machining precision requirement to the countershaft is lower, and is further, with the motor setting on the base, be convenient for adjust the installation accuracy between motor and the defeated material pole.
Description
Technical Field
The utility model relates to a sewing machine field, concretely relates to sewing machine's gauge needle adjusts structure.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.
Some sewing machines in the market at present are provided with a needle pitch adjusting mechanism to meet different needle pitch requirements caused by different sewing materials, sewing methods and other reasons, but the needle pitch adjusting mechanism directly drives a rotating shaft of a swing rod seat to rotate through a transmission mechanism such as a gear and the like during transmission, so that the requirement on the machining precision of the rotating shaft is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a structure is adjusted to sewing machine's gauge needle mainly has solved present sewing machine's gauge needle and has adjusted the structure and directly drive the pivot rotation of pendulum rod seat through drive mechanism such as gears when the transmission, the higher problem of the machining precision requirement of counter shaft.
The utility model adopts the technical proposal that: the utility model provides a structure is adjusted to sewing machine's gauge needle, includes power supply, drive assembly, swing link seat, pay-off crank and pay-off axle, its characterized in that: the swing rod seat is provided with a supporting rod, the power source is connected with the supporting rod through the transmission assembly and is used for driving the swing rod seat to move, the swing rod seat is connected with the feeding crank, and the feeding crank is sleeved on the feeding shaft and is used for driving the feeding shaft to rotate.
The transmission assembly comprises a first connecting rod, a needle pitch crank, a rotating shaft, a swing rod seat crank and a second connecting rod, the power source comprises a driving shaft, a motor crank is arranged on the driving shaft, one end of the first connecting rod is connected with the motor crank, the other end of the first connecting rod is connected with the needle pitch crank, the needle pitch crank is connected with the rotating shaft, the rotating shaft is connected with the swing rod seat crank, one end of the second connecting rod is connected with the swing rod seat crank, and the other end of the second connecting rod is connected with the supporting rod.
The feeding shaft is arranged on the base, the shell is connected with the base, and the power source is connected with the base.
Still include the mounting panel, the mounting panel with the base can be dismantled and be connected, the power supply with the mounting panel is connected.
The base is connected with the mounting plate through screws.
Connecting shafts are arranged on two sides of the swing rod seat, and connecting holes in clearance fit with the connecting shafts are formed in the base.
Be equipped with first plane and second plane in the pivot, the gauge needle crank includes the first lantern ring, pivot one end stretches into in the first lantern ring, be equipped with first through-hole on the first lantern ring, first through-hole be used for the drive pin stretch into with first plane contact, swing rod seat crank includes the second lantern ring, the pivot other end stretches into in the second lantern ring, be equipped with the second through-hole on the second lantern ring, first through-hole be used for the drive pin stretch into with second plane contact.
The power source is a servo motor.
The utility model has the advantages that: the utility model provides a structure is adjusted to sewing machine's gauge needle carries out the transmission through the branch that drives on the pendulum rod seat, and the machining precision requirement to the countershaft is lower.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a partial perspective view of an embodiment of the present invention.
Fig. 3 is a partial perspective view of an embodiment of the present invention.
Fig. 4 is a schematic diagram of a partial explosion according to an embodiment of the present invention.
Fig. 5 is a perspective view of a rotating shaft according to an embodiment of the present invention.
Fig. 6 is a perspective view of a pitch crank according to an embodiment of the present invention.
Fig. 7 is a perspective view of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the needle pitch adjusting structure of the sewing machine comprises a power source 3, a transmission component 4, a swing rod seat 45, a feeding crank 46 and a feeding shaft 5, and is characterized in that: the swing rod seat is provided with a supporting rod 450, the power source is connected with the supporting rod 450 through the transmission assembly and is used for driving the swing rod seat to move, the swing rod seat is connected with the feeding crank, and the feeding crank is sleeved on the feeding shaft and is used for driving the feeding shaft to rotate. The utility model provides a structure is adjusted to sewing machine's gauge needle carries out the transmission through the branch that drives on the pendulum rod seat, and the machining precision requirement to the countershaft is lower.
In this embodiment, as shown in the figure, the transmission assembly includes first connecting rod 41, needle pitch crank 411, pivot 42, swing rod seat crank 43 and second connecting rod 44, the power supply includes the drive shaft, be equipped with motor crank 31 in the drive shaft, first connecting rod one end and motor crank are connected, the other end with needle pitch crank connects, needle pitch crank with the pivot is connected, pivot and swing rod seat crank connect, second connecting rod one end with swing rod seat crank connects, the other end with branch 450 connects. The last rack subassembly that is equipped with of pay-off axle, can refer to the chinese patent that publication number is "CN 109930304A", the drive shaft of power supply rotates and drives the swing of motor crank, drives first connecting rod, and first connecting rod drives the needle pitch crank, and the needle pitch crank drives the pivot and rotates, and the pivot drives the swing rod seat crank swing, and swing rod seat crank passes through branch and drives the swing rod seat to drive the pay-off crank by the swing rod seat, finally drive the pay-off axle by the pay-off crank and rotate, the utility model provides a structure is adjusted to sewing machine's needle pitch carries out the transmission through the branch that drives on the swing rod seat, and the machining precision requirement to the countershaft is lower.
In this embodiment, as shown in the figure, the device further includes a base 1 and a casing 2, the feeding shaft is disposed on the base, the casing is connected with the base, and the power source is connected with the base.
In this embodiment, as shown in the figure, the power supply device further comprises a mounting plate 6, wherein the mounting plate is detachably connected with the base, and the power supply is connected with the mounting plate.
In this embodiment, the base is connected to the mounting plate by screws, as shown in the figure. The installation is convenient.
In this embodiment, as shown in the figure, the two sides of the swing rod seat are provided with connecting shafts 451, and the base is provided with connecting holes in clearance fit with the connecting shafts. The attachment holes may be provided in the base plate 450.
In this embodiment, as shown in the figure, a first plane 421 and a second plane 422 are disposed on the rotating shaft, the needle pitch crank includes a first collar 412, one end of the rotating shaft extends into the first collar, a first through hole 4121 is disposed on the first collar, the first through hole is used for the driving pin to extend into contact with the first plane, the swing rod base crank includes a second collar 431, the other end of the rotating shaft extends into the second collar, a second through hole 4311 is disposed on the second collar, and the first through hole is used for the driving pin to extend into contact with the second plane. This driving pin can with first through-hole joint or threaded connection, through driving pin and first plane transmission moment of torsion, the second cover ring is with the same reason when the pivot rotates.
In the present embodiment, as shown in the figure, the power source is a servo motor.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (8)
1. The utility model provides a structure is adjusted to sewing machine's gauge needle, includes power supply (3), drive assembly (4), swing link seat (45), pay-off crank (46) and pay-off axle (5), its characterized in that: the swing rod seat is provided with a supporting rod (450), the power source is connected with the supporting rod (450) through the transmission assembly and is used for driving the swing rod seat to move, the swing rod seat is connected with the feeding crank, and the feeding crank is sleeved on the feeding shaft and is used for driving the feeding shaft to rotate.
2. A needle pitch adjusting structure of a sewing machine according to claim 1, wherein: the transmission assembly comprises a first connecting rod (41), a needle distance crank (411), a rotating shaft (42), a swing rod seat crank (43) and a second connecting rod (44), the power source comprises a driving shaft, a motor crank (31) is arranged on the driving shaft, one end of the first connecting rod is connected with the motor crank, the other end of the first connecting rod is connected with the needle distance crank, the needle distance crank is connected with the rotating shaft, the rotating shaft is connected with the swing rod seat crank, one end of the second connecting rod is connected with the swing rod seat crank, and the other end of the second connecting rod is connected with the supporting rod (450).
3. A needle pitch adjusting structure of a sewing machine according to claim 2, wherein: the automatic feeding device is characterized by further comprising a base (1) and a machine shell (2), wherein the feeding shaft is arranged on the base, the machine shell is connected with the base, and the power source is connected with the base.
4. A needle pitch adjusting structure of a sewing machine according to claim 3, wherein: still include mounting panel (6), the mounting panel with the base can be dismantled and be connected, the power supply with the mounting panel is connected.
5. The needle pitch adjusting structure of a sewing machine according to claim 4, wherein: the base is connected with the mounting plate through screws.
6. A needle pitch adjusting structure of a sewing machine according to claim 5, wherein: connecting shafts (451) are arranged on two sides of the swing rod seat, and connecting holes in clearance fit with the connecting shafts are formed in the base.
7. A needle pitch adjusting structure of a sewing machine according to claim 6, wherein: be equipped with first plane (421) and second plane (422) in the pivot, the gauge needle crank includes first lantern ring (412), pivot one end stretches into in the first lantern ring, be equipped with first through-hole (4121) on the first lantern ring, first through-hole be used for the drive pin stretch into with first plane contact, pendulum rod seat crank includes second lantern ring (431), the pivot other end stretches into in the second lantern ring, be equipped with second through-hole (4311) on the second lantern ring, first through-hole be used for the drive pin stretch into with second plane contact.
8. A needle pitch adjusting structure of a sewing machine according to claim 1, wherein: the power source is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021275174.6U CN212771304U (en) | 2020-07-03 | 2020-07-03 | Sewing machine's gauge needle adjusts structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021275174.6U CN212771304U (en) | 2020-07-03 | 2020-07-03 | Sewing machine's gauge needle adjusts structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212771304U true CN212771304U (en) | 2021-03-23 |
Family
ID=75087324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021275174.6U Active CN212771304U (en) | 2020-07-03 | 2020-07-03 | Sewing machine's gauge needle adjusts structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212771304U (en) |
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2020
- 2020-07-03 CN CN202021275174.6U patent/CN212771304U/en active Active
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