CN215481636U - Needle pitch adjusting structure for sewing machine - Google Patents
Needle pitch adjusting structure for sewing machine Download PDFInfo
- Publication number
- CN215481636U CN215481636U CN202120886751.3U CN202120886751U CN215481636U CN 215481636 U CN215481636 U CN 215481636U CN 202120886751 U CN202120886751 U CN 202120886751U CN 215481636 U CN215481636 U CN 215481636U
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- pitch adjusting
- needle pitch
- sewing machine
- needle
- shell
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Abstract
The utility model relates to a needle pitch adjusting structure for a sewing machine, which belongs to the technical field of sewing equipment and comprises a shell, wherein a main shaft and a feeding shaft are arranged in the shell, the main shaft and the feeding shaft are connected with a swinging seat structure through a feeding connecting rod, a motor is arranged on the outer side of the shell, a motor shaft of the motor extends into the shell, a needle pitch adjusting disc is sleeved on the motor shaft, a needle pitch adjusting crank is arranged on the needle pitch adjusting disc, one end of the needle pitch adjusting crank is connected with a fixed column, one end of the fixed column is connected with the shell, the other end of the fixed column is fixed through a fixed seat, the fixed seat is fixed on the inner side of the shell, the other end of the needle pitch adjusting crank is connected with one end of a connecting plate, and the other end of the connecting plate is connected with the swinging seat structure, a needle pitch adjusting structure for a sewing machine ensuring the overall service life.
Description
Technical Field
The utility model belongs to the technical field of sewing equipment, relates to a sewing machine, and particularly relates to a needle pitch adjusting structure for the sewing machine.
Background
The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, and the sewing machine can be used for sewing fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.
Common sewing machine's gauge needle structure is long-time during operation, and the fixed column that its gauge needle was adjusted the crank and is connected is generally all the unilateral and connects, and long-time work fixed column produces easily and warp to adjust the crank with the gauge needle through the jump ring during the connecting plate and be connected, when the motion, the jump ring produces easily not hard up, leads to connecting plate and gauge needle to adjust the crank and parts, and this will influence holistic life.
Disclosure of Invention
The utility model aims to provide a needle pitch adjusting structure for a sewing machine, which is simple in structure, prevents a fixing column from being deformed easily, avoids a connecting plate from separating from a needle pitch adjusting crank, and ensures the whole service life.
The purpose of the utility model is realized as follows:
the utility model provides a gauge needle is adjusted structure for sewing machine, includes the shell, be provided with main shaft and pay-off axle in the shell, be connected through pay-off connecting rod and swing seat structure between main shaft and the pay-off axle, the outside of shell is provided with the motor, the motor shaft of motor stretches into in the shell, and the cover is equipped with the gauge needle adjusting plate on the motor shaft, be provided with gauge needle adjusting crank on the gauge needle adjusting plate, gauge needle adjusting crank's one end is connected with the fixed column, the one end and the shell of fixed column are connected, and its other end passes through the fixing base to be fixed, just the fixing base is fixed at the shell inboard, gauge needle adjusting crank's the other end is connected with the one end of connecting plate, the other end and the swing seat structural connection of connecting plate.
In the stitch length adjusting structure for the sewing machine, the shell is further provided with a limiting plate, and the limiting plate is provided with a limiting groove for limiting the movement of the connecting plate.
In the above needle pitch adjusting structure for a sewing machine, the limiting plate is provided with two sliding grooves for sliding and fixing.
In the above needle pitch adjusting structure for a sewing machine, the stopper plate is located at a middle end of the connecting plate.
In the stitch length adjusting structure for the sewing machine, the middle end of the stitch length adjusting crank is connected with the stitch length adjusting disc through the ball pin and the roller, and the stitch length adjusting disc is internally provided with the sliding groove for the ball pin and the roller to slide.
In the stitch length adjusting structure for the sewing machine, the ball pin is fixed at the middle end of the stitch length adjusting crank, the roller is sleeved on the ball pin, and the roller is in contact with the inner side surface of the chute.
In the above needle pitch adjusting structure for a sewing machine, the chute is of a special-shaped structure.
In the needle pitch adjusting structure for the sewing machine, the fixing column is further sleeved with a locking block, and the locking block is located between the needle pitch adjusting crank and the fixing seat.
In the stitch length adjusting structure for the sewing machine, the locking block is provided with the through groove.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:
the limiting plate is designed to ensure that the connecting plate cannot be loosened and avoid the possibility that the connecting plate is separated from the structures of the needle pitch adjusting crank and the swinging seat from the source.
Drawings
FIG. 1 is one of the schematic structural diagrams of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a third schematic view of the present invention;
FIG. 4 is one of the schematic internal structures of the present invention;
FIG. 5 is a second schematic diagram of the internal structure of the present invention;
FIG. 6 is a schematic view of the construction of the pitch crank, ball pin, roller and pitch dial of the present invention;
FIG. 7 is a schematic structural view of a locking block, a fixed column and a needle pitch adjusting crank of the present invention;
fig. 8 is a schematic structural diagram of the limiting plate of the utility model.
The reference numerals in the figures denote the meanings:
1-a housing; 2-a main shaft; 3-a feeding shaft; 4-a motor; 5-a needle pitch adjusting disc; 6-fixing the column; 11-a limiting plate;
21-a feeding connecting rod; 22-a swing seat structure; 51-a needle pitch adjusting crank; 52-ball pin; 53-rollers;
54-a chute;
61-a fixed seat; 62-a connecting plate; 63-a limiting groove; 64-a sliding groove; 65-a locking block; 66-through slot.
Detailed Description
The utility model is further described below with reference to specific examples:
as shown in fig. 1-8, a needle pitch adjusting structure for a sewing machine comprises a housing 1, a main shaft 2 and a feeding shaft 3 are arranged in the housing 1, the main shaft 2 and the feeding shaft 3 are connected with each other through a feeding connecting rod 21 and a swinging seat structure 22, a motor 4 is arranged on the outer side of the housing 1, a motor shaft of the motor 4 extends into the housing 1, a needle pitch adjusting disc 5 is sleeved on the motor shaft, a needle pitch adjusting crank 51 is arranged on the needle pitch adjusting disc 5, one end of the needle pitch adjusting crank 51 is connected with a fixed column 6, one end of the fixed column 6 is connected with the housing 1, the other end of the fixed column 6 is fixed through a fixed seat 61, the fixed seat 61 is fixed on the inner side of the housing 1, the other end of the needle pitch adjusting crank 51 is connected with one end of a connecting plate 62, the other end of the connecting plate 62 is connected with the swinging seat structure 22, specifically, the two ends of the fixing column are respectively connected with the shell and the fixing seat, and the two ends of the fixing column are fixed to avoid the unilateral bending of the fixing column.
In the above needle pitch adjusting structure for a sewing machine, the housing 1 is further provided with a limiting plate 11, the limiting plate 11 is provided with a limiting groove 63 for limiting the movement of the connecting plate 62, the limiting plate 11 is provided with two sliding grooves 64 for sliding and fixing, the limiting plate 11 is located at the middle end of the connecting plate 62, and the limiting plate is designed to ensure that the connecting plate does not loosen and avoid the possibility that the connecting plate is separated from the needle pitch adjusting crank and the swing seat structure from the source.
In the above needle pitch adjusting structure for a sewing machine, the middle end of the needle pitch adjusting crank 51 is connected to the needle pitch adjusting disk 5 through the ball pin 52 and the roller 53, the needle pitch adjusting disk 5 is internally provided with the sliding slot 54 for the ball pin 52 and the roller 53 to slide, the ball pin 52 is fixed at the middle end of the needle pitch adjusting crank 51, the roller 53 is sleeved on the ball pin 52, the roller 53 is in contact with the inner side surface of the sliding slot 54, the sliding slot 54 is in a special-shaped structure, and the ball pin and the roller are designed to facilitate the connection of the needle pitch adjusting crank and the needle pitch adjusting disk and the adjustment of the needle pitch adjusting crank.
In the above needle pitch adjusting structure for a sewing machine, the fixing column 6 is further sleeved with a locking block 65, the locking block 65 is located between the needle pitch adjusting crank 51 and the fixing seat 61, the locking block 65 is provided with a through groove 66, and the through groove is designed to avoid interference between the locking block and the needle pitch adjusting crank.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (9)
1. The utility model provides a gauge needle is adjusted structure for sewing machine, includes shell (1), be provided with main shaft (2) and pay-off axle (3) in shell (1), its characterized in that: the automatic feeding device is characterized in that the main shaft (2) and the feeding shaft (3) are connected with the swing seat structure (22) through a feeding connecting rod (21), a motor (4) is arranged on the outer side of the shell (1), a motor shaft of the motor (4) extends into the shell (1), a needle distance adjusting disc (5) is sleeved on the motor shaft, a needle distance adjusting crank (51) is arranged on the needle distance adjusting disc (5), one end of the needle distance adjusting crank (51) is connected with a fixing column (6), one end of the fixing column (6) is connected with the shell (1), the other end of the fixing column is fixed through a fixing seat (61), the fixing seat (61) is fixed on the inner side of the shell (1), the other end of the needle distance adjusting crank (51) is connected with one end of a connecting plate (62), and the other end of the connecting plate (62) is connected with the swing seat structure (22).
2. The needle pitch adjusting structure for a sewing machine according to claim 1, characterized in that: the shell (1) is further provided with a limiting plate (11), and the limiting plate (11) is provided with a limiting groove (63) for limiting the movement of the connecting plate (62).
3. The needle pitch adjusting structure for a sewing machine according to claim 2, characterized in that: the limiting plate (11) is provided with two sliding grooves (64) for sliding and fixing.
4. The needle pitch adjusting structure for a sewing machine according to claim 3, characterized in that: the limiting plate (11) is located at the middle end of the connecting plate (62).
5. The needle pitch adjusting structure for a sewing machine according to claim 1, characterized in that: the middle end of the needle pitch adjusting crank (51) is connected with the needle pitch adjusting disc (5) through a ball pin (52) and a roller (53), and a sliding groove (54) for the ball pin (52) and the roller (53) to slide is formed in the needle pitch adjusting disc (5).
6. The needle pitch adjusting structure for a sewing machine according to claim 5, characterized in that: the ball pin (52) is fixed at the middle end of the needle pitch adjusting crank (51), the roller (53) is sleeved on the ball pin (52), and the roller (53) is in contact with the inner side surface of the sliding groove (54).
7. The needle pitch adjusting structure for a sewing machine according to claim 6, characterized in that: the sliding groove (54) is of a special-shaped structure.
8. The needle pitch adjusting structure for a sewing machine according to claim 1, characterized in that: the fixed column (6) is further sleeved with a locking block (65), and the locking block (65) is located between the needle pitch adjusting crank (51) and the fixed seat (61).
9. The needle pitch adjusting structure for a sewing machine according to claim 7, characterized in that: the locking block (65) is provided with a through groove (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886751.3U CN215481636U (en) | 2021-04-27 | 2021-04-27 | Needle pitch adjusting structure for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886751.3U CN215481636U (en) | 2021-04-27 | 2021-04-27 | Needle pitch adjusting structure for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215481636U true CN215481636U (en) | 2022-01-11 |
Family
ID=79776197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120886751.3U Active CN215481636U (en) | 2021-04-27 | 2021-04-27 | Needle pitch adjusting structure for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215481636U (en) |
-
2021
- 2021-04-27 CN CN202120886751.3U patent/CN215481636U/en active Active
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