CN217499617U - Pressing device of sewing machine presser foot - Google Patents
Pressing device of sewing machine presser foot Download PDFInfo
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- CN217499617U CN217499617U CN202123309892.8U CN202123309892U CN217499617U CN 217499617 U CN217499617 U CN 217499617U CN 202123309892 U CN202123309892 U CN 202123309892U CN 217499617 U CN217499617 U CN 217499617U
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Abstract
The utility model discloses a closing device of sewing machine presser foot relates to sewing machine technical field, including pressure strip, connecting rod and movable block, positioning channel section has been seted up to the opposite side of pressure strip, positioning channel section's both sides movable mounting has two movable blocks, and forms certain clearance between movable block and the pressure strip, one side that the inside of pressure strip is located positioning channel section is provided with monitoring mechanism. The utility model discloses positioning channel groove's both sides are provided with monitoring mechanism, when the sewing needle takes place the offset and takes place the contact friction with the movable block, make movable block and fixed block take place to rock, thereby make fixed block one end pass through spring coupling's kicking block and pressure sensor and take place the contact collision, pressure sensor will signal to carry in the alarm device this moment, alarm device sends the alarm suggestion and threads the position adjustment in time to the sewing needle in addition, avoid the heat that sewing needle and presser foot contact friction produced to break sewing thread damage, sewing work efficiency has been guaranteed, and the life of sewing needle has been improved.
Description
Technical Field
The utility model relates to a sewing machine is technical field, concretely relates to closing device of sewing machine presser foot.
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, 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. And derives the artistic forms of hand-pushing embroidery computer embroidery, etc.
In the sewing machine of most uses, in order to ensure that the sewing stitch seam is neat, the department of making up of the material of being made up simultaneously is level and smooth, generally be provided with the presser foot that is used for pressing the sewing material in syringe needle department, the sewing needle sewing material makes and drives the presser foot and do the up-and-down motion together when using, under long-time work, very easily make the sewing needle take place the offset, and the user discovers, and then lead to sewing needle and presser foot contact friction, the heat that the friction produced damages the fracture with the sewing thread easily, not only influence sewing work efficiency, and the life of sewing needle has been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a closing device of sewing machine presser foot to the suggestion is under long-time work in solving above-mentioned background art, very easily makes the sewing needle take place the offset, and the user discovery, and then leads to sewing needle and presser foot contact friction, and the heat that the friction produced not only influences sewing work efficiency with the sewing thread damage fracture easily, and has reduced the life problem of sewing needle.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a pressing device of a presser foot of a sewing machine comprises a pressing plate, a connecting rod and movable blocks, wherein a connecting block is fixedly mounted at the upper end of one side of the pressing plate, a positioning clamping groove is formed in the other side of the pressing plate, a connecting head is arranged at the bottom of the connecting rod, the connecting block and the connecting head are movably connected through a bolt, the pressing plate is fixedly connected with the connecting rod through the connecting block and the connecting head, a connecting groove is formed in the top of the connecting rod, two movable blocks are movably mounted on two sides of the positioning clamping groove, a certain gap is formed between the movable blocks and the pressing plate, a monitoring mechanism is arranged on one side, located in the positioning clamping groove, of the inside of the pressing plate and comprises a groove, a pressure sensor, a sliding rail and a stop block, a groove is formed in one side, located in the positioning clamping groove, of the inside of the pressing plate and fixedly mounted on one side of the inside of the groove, the other side of the inside of the groove is fixedly connected with a slide rail, and one end of the slide rail is provided with a stop block.
Preferably, the monitoring mechanism still includes fixed block, slider, spring and kicking block, the both sides of fixed block are provided with the slider, the top and the slide rail looks sliding connection of slider, the one end and the movable block fixed connection of fixed block, the other end fixedly connected with spring of fixed block, one side fixed surface of spring is connected with the kicking block.
Preferably, the fixed block passes through slider and slide rail movable mounting in the inside one side of recess, the movable block passes through fixed block movable mounting in positioning channel's both sides.
Preferably, the ejector block is fixedly connected with one end of the fixed block through a spring, and the surface of the ejector block is attached to the surface of the pressure sensor.
Preferably, the monitoring mechanism further comprises an alarm device, and the alarm device is electrically connected with the pressure sensor.
Compared with the prior art, the utility model provides a closing device of sewing machine presser foot possesses following beneficial effect:
the utility model discloses positioning channel groove's both sides are provided with monitoring mechanism, when the sewing needle takes place the offset and takes place the contact friction with the movable block, under slide rail and slider sliding connection's effect, make movable block and fixed block take place to rock, thereby make fixed block one end pass through spring coupling's kicking block and pressure sensor and take place the contact collision, pressure sensor will signal to carry in the alarm device this moment, alarm device sends the alarm suggestion and in time makes position adjustment to the sewing needle still this, avoid the sewing needle to break with the sewing thread damage with the heat that presser foot contact friction produced, sewing work efficiency has been guaranteed, and the life of sewing needle has been improved.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a pressing device of a presser foot of a sewing machine according to the present invention;
fig. 2 is a schematic top view of the pressing device of the presser foot of the sewing machine of the present invention;
fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2 according to the present invention;
fig. 4 is a partial enlarged view of the position B in fig. 3 according to the present invention;
the reference numbers in the figures are:
1. a compression plate; 2. connecting blocks; 3. positioning the clamping groove; 4. a connecting rod; 5. a connector; 6. connecting grooves; 7. A movable block; 8. a groove; 9. a pressure sensor; 10. a slide rail; 11. a stopper; 12. a fixed block; 13. a slider; 14. a spring; 15. and (7) a top block.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-4, a pressing device of a presser foot of a sewing machine comprises a pressing plate 1, a connecting rod 4 and movable blocks 7, wherein a connecting block 2 is fixedly installed at the upper end of one side of the pressing plate 1, a positioning clamping groove 3 is formed in the other side of the pressing plate 1, the positioning clamping groove 3 is used for placing a sewing needle, a connecting head 5 is arranged at the bottom of the connecting rod 4, the connecting block 2 and the connecting head 5 are movably connected through a bolt, the pressing plate 1 is fixedly connected with the connecting rod 4 through the connecting block 2 and the connecting head 5, a connecting groove 6 is formed in the top of the connecting rod 4, two movable blocks 7 are movably installed on two sides of the positioning clamping groove 3, the positioning clamping groove 3 is monitored by the two movable blocks 7, the position deviation of the sewing needle in two directions can be monitored, a certain gap is formed between the movable blocks 7 and the pressing plate 1, the gap is used for a reserved space for the movable blocks 7 to shake, a monitoring mechanism is arranged on one side of the positioning clamping groove 3 in the pressing plate 1, monitoring mechanism includes recess 8, pressure sensor 9, slide rail 10 and dog 11, and one side that the inside of pressure strip 1 is located positioning channel groove 3 is seted up flutedly 8, and fixed mounting has pressure sensor 9 on one side of the inside of recess 8, and recess 8's inside opposite side fixedly connected with slide rail 10, and the one end of slide rail 10 is provided with dog 11.
The monitoring mechanism further comprises a fixed block 12, a sliding block 13, a spring 14 and a jacking block 15, the sliding block 13 is arranged on two sides of the fixed block 12, the top of the sliding block 13 is in sliding connection with the sliding rail 10, one end of the fixed block 12 is fixedly connected with the movable block 7, the spring 14 is fixedly connected to the other end of the fixed block 12, and the jacking block 15 is fixedly connected to the surface of one side of the spring 14.
Specifically, fixed block 12 passes through slider 13 and slide rail 10 movable mounting in the inside one side of recess 8, and movable block 7 passes through fixed block 12 movable mounting in positioning groove 3's both sides, and when the sewing needle takes place the offset and takes place the contact friction with movable block 7, under slide rail 10 and 13 sliding connection's effect, messenger 7 and fixed block 12 take place to rock.
Specifically, the kicking block 15 passes through the one end fixed connection of spring 14 with fixed block 12, and 15 surfaces of kicking block and pressure sensor 9 surface laminating mutually, and fixed block 12 takes place to rock to make 12 one end of fixed block take place to contact collision through kicking block 15 and the pressure sensor 9 that spring 14 is connected.
Concretely, monitoring mechanism still includes alarm device, alarm device includes speaker and pilot lamp, and alarm device and pressure sensor 9 electric connection, alarm device mountable is in the arbitrary position that does not hinder sewing machine normal work, when kicking block 15 and pressure sensor 9 take place the contact collision, pressure sensor 9 will signal to carry in the alarm device, alarm device sends out the alarm suggestion and in time makes position adjustment to the sewing needle still this, avoid sewing needle and presser foot contact friction produced heat to damage the fracture with the sewing thread, sewing work efficiency has been guaranteed, and the life of sewing needle has been improved.
The utility model discloses a theory of operation and use flow: the utility model discloses when using, when the sewing needle takes place the offset and takes place the contact friction with movable block 7, under slide rail 10 and 13 sliding connection's of slider effect, make movable block 7 and fixed block 12 take place to rock, thereby make the kicking block 15 and the pressure sensor 9 emergence contact collision that fixed block 12 one end was connected through spring 14, pressure sensor 9 will signal to carry in the alarm device this moment, alarm device sends out the alarm suggestion and in time this makes position adjustment to the sewing needle, avoid the sewing needle to damage the fracture with the heat that presser foot contact friction produced, sewing work efficiency has been guaranteed, and the life of sewing needle has been improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a closing device of sewing machine presser foot, includes pressure strip (1), connecting rod (4) and movable block (7), its characterized in that: the clamping device is characterized in that a connecting block (2) is fixedly mounted at the upper end of one side of the pressing plate (1), a positioning clamping groove (3) is formed in the other side of the pressing plate (1), a connecting head (5) is arranged at the bottom of the connecting rod (4), the connecting block (2) and the connecting head (5) are movably connected through a bolt, the pressing plate (1) is fixedly connected with the connecting rod (4) through the connecting block (2) and the connecting head (5), a connecting groove (6) is formed in the top of the connecting rod (4), two movable blocks (7) are movably mounted on two sides of the positioning clamping groove (3), a certain gap is formed between each movable block (7) and the pressing plate (1), a monitoring mechanism is arranged on one side, located on the positioning clamping groove (3), of the inside of the pressing plate (1), and comprises a groove (8), a pressure sensor (9), a sliding rail (10) and a stop block (11), one side, located positioning groove (3), of the inside of pressure strip (1) is provided with a groove (8), one side of the inside of groove (8) is fixedly provided with a pressure sensor (9), the other side of the inside of groove (8) is fixedly connected with a slide rail (10), and one end of slide rail (10) is provided with a stop block (11).
2. The presser device of sewing machine presser foot according to claim 1, characterized in that: monitoring mechanism still includes fixed block (12), slider (13), spring (14) and kicking block (15), the both sides of fixed block (12) are provided with slider (13), the top and slide rail (10) looks sliding connection of slider (13), the one end and the movable block (7) fixed connection of fixed block (12), the other end fixedly connected with spring (14) of fixed block (12), one side fixed surface of spring (14) is connected with kicking block (15).
3. The presser device of sewing machine presser foot according to claim 2, characterized in that: fixed block (12) pass through slider (13) and slide rail (10) movable mounting in inside one side of recess (8), movable block (7) pass through fixed block (12) movable mounting in the both sides of positioning groove (3).
4. The presser device of sewing machine presser foot according to claim 2, characterized in that: one end fixed connection of kicking block (15) through spring (14) and fixed block (12), just kicking block (15) surface is laminated with pressure sensor (9) surface mutually.
5. The presser device of sewing machine presser foot according to claim 1, characterized in that: the monitoring mechanism further comprises an alarm device, and the alarm device is electrically connected with the pressure sensor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309892.8U CN217499617U (en) | 2021-12-27 | 2021-12-27 | Pressing device of sewing machine presser foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309892.8U CN217499617U (en) | 2021-12-27 | 2021-12-27 | Pressing device of sewing machine presser foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217499617U true CN217499617U (en) | 2022-09-27 |
Family
ID=83344320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123309892.8U Active CN217499617U (en) | 2021-12-27 | 2021-12-27 | Pressing device of sewing machine presser foot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217499617U (en) |
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2021
- 2021-12-27 CN CN202123309892.8U patent/CN217499617U/en active Active
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