CN219670806U - Hand-held sewing machine - Google Patents

Abstract

The utility model discloses a handheld sewing machine, which comprises a mounting base and a connecting sliding rail, wherein a mounting shell is mounted at the upper end of the mounting base, the inner wall of the mounting shell is fixedly connected with the connecting sliding rail, a connecting bolt is connected in a sliding manner in the connecting sliding rail, the tail end of the connecting bolt is provided with a connecting seat, the lower end wall of the connecting seat is fixedly connected with a first spring, the connecting seat is rotatably connected with the mounting base through a connecting shaft, then under the contraction effect of the first spring, the connecting seat can be pressed to realize the up-down work of a sewing needle, then when the connecting seat is elastically operated, the connecting seat can slide on a certain track through the connecting bolt and the connecting sliding rail, the stability when the connecting seat works is ensured, the damage caused by the deviation when the upper-down pressing is avoided, and the damage caused by the deviation of the sewing needle to workers is avoided.

Description

handheld sewing machine

Technical field

The utility model relates to the technical field of sewing machines, specifically a hand-held sewing machine.

Background technique

The sewing machine can sew cotton, linen, silk, wool, man-made fiber and other fabrics as well as leather, plastic, paper and other products. The stitches produced are neat, beautiful, flat and firm, the sewing speed is fast and easy to use. The hand-held sewing machine is also called a mini sewing machine. Or micro sewing machine, which is a reduced version of the industrial sewing machine. The handheld sewing machine has beautiful appearance and compact size. The principle of the handheld sewing machine is to achieve the sewing effect by driving the material between the rubber roller and the low-speed roller. The sewing on the driven rubber roller will Pull the thread through the material. After the material is tightened, the rubber roller on the driving roller will tighten the thread, making the work easier and more convenient.

However, when existing handheld sewing machines are working, they need to use a connecting base to drive the sewing needle up and down. Long-term work may easily cause the connecting base to shift during the driving operation, and may cause the fabric to be fabricated. During the sewing process, the fabric cannot be well controlled and the neatness of the fabric sewing cannot be guaranteed. Therefore, a handheld sewing machine is designed for this case.

Utility model content

The purpose of this utility model is to provide a hand-held sewing machine to solve the problem that when the hand-held sewing machine is working, it needs to realize the up and down driving work of the sewing needle through the connecting seat. Long-term work may easily cause the connecting seat to perform driving work. When sewing the fabric, the fabric cannot be well controlled and the neatness of the fabric sewing cannot be guaranteed.

In order to achieve the above purpose, the present utility model provides the following technical solution: a handheld sewing machine, including a mounting base and a connecting slide rail. The upper end of the mounting base is equipped with a mounting shell, and the inner wall of the mounting shell is fixedly connected with the connecting slide rail. , a connecting bolt is slidably connected to the inside of the connecting slide rail, a connecting seat is provided at the end of the connecting bolt, a first spring is fixedly connected to the lower end wall of the connecting seat, and a mounting slot is provided at the front end of the connecting seat. A connecting rod is fixedly connected to the interior of the installation slot, a mounting block is snap-fitted to the interior of the connecting rod, a threaded bolt is installed at the front end of the installation block, and a sewing needle is fixedly connected to the lower end of the installation block. A mounting shaft is installed on the upper end surface of the mounting base. A pressure plate is installed inside the installation shaft. A second spring is fixedly connected to the inner wall of the pressure plate. A limiting mechanism is provided inside the installation base.

Preferably, the connecting seat forms an elastic structure with the mounting base through the first spring, and the connecting seat forms a sliding structure with the mounting shell through the connecting bolt and the connecting slide rail.

Preferably, the mounting block is engaged with the connecting seat through the mounting groove, and the mounting block forms a detachable structure through threaded bolts and connecting rods.

Preferably, the pressure plate forms a rotation structure through a mounting shaft and an installation base, and the pressure plate forms an elastic structure through a second spring and the installation base.

Preferably, the limiting mechanism includes a first gear, a second gear, a threaded shaft, a limiting plate and a chute. The first gear is installed inside the installation base, and the left side of the first gear is meshed and connected. There is a second gear, a threaded shaft is fixedly connected to the inside of the second gear, a limit plate is installed on the outer surface of the threaded shaft, and a chute is provided on the inner wall of the pressure plate.

Preferably, the threaded shaft forms a rotation structure through the second gear and the first gear, and the limiting plate forms a sliding structure through the chute and the pressure plate.

Compared with the existing technology, the beneficial effects of this utility model are:

1. In this utility model, a connecting slide rail is provided, and the connecting seat is rotatably connected to the installation base through a connecting shaft. Then, under the contraction of the first spring, the sewing needle can be pressed to realize the up and down work, and then the sewing needle is connected When the base performs elastic work, the connecting base can slide on a certain trajectory with the installation shell through the connecting bolt and connecting slide rail to ensure stability during work and avoid deflection and damage when pressing up and down. And causing the sewing needle to shift and cause injury to the staff;

2. In this utility, by setting the limit plate, the set limit plate can be fixed by the rotation of the threaded shaft, the second gear and the first gear. The sliding work is convenient for limiting the sewing fabric to a certain extent, ensuring the neatness when sewing the fabric, avoiding the offset of the fabric during sewing, and making certain adjustments according to the sewing position of the fabric. .

Description of drawings

Figure 1 is a schematic diagram of the front cross-sectional structure of the utility model;

Figure 2 is a schematic structural diagram of the wiring board of the present utility model;

Figure 3 is a schematic diagram of the internal structure of the installation shell of the present utility model.

In the picture: 1. Installation base; 2. Installation shell; 3. Connecting bolt; 4. Connecting slide rail; 5. Connecting seat; 6. First spring; 7. Installation slot; 8. Connecting rod; 9. Installation block ; 10. Threaded bolt; 11. Sewing needle; 12. Installation shaft; 13. Pressing plate; 14. Second spring; 15. Limiting mechanism; 1501. First gear; 1502. Second gear; 1503. Threaded shaft ; 1504, limit plate; 1505, chute.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-3. The present utility model provides a technical solution: a handheld sewing machine, including a mounting base 1 and a connecting slide rail 4. The upper end of the mounting base 1 is equipped with a mounting shell 2, and the inner wall of the mounting shell 2 is fixedly connected. There is a connecting slide rail 4. The inner part of the connecting slide rail 4 is slidingly connected with a connecting bolt 3. The end of the connecting bolt 3 is provided with a connecting seat 5. The lower end wall of the connecting seat 5 is fixedly connected with a first spring 6. The front end of the connecting seat 5 is opened There is a mounting slot 7. The inside of the mounting slot 7 is fixedly connected with a connecting rod 8. The inside of the connecting rod 8 is snap-connected with a mounting block 9. The front end of the mounting block 9 is installed with a threaded bolt 10. The lower end of the mounting block 9 is fixedly connected with a sewing thread. Pin 11, a mounting shaft 12 is installed on the upper end surface of the mounting base 1, a crimping plate 13 is mounted inside the mounting axle 12, a second spring 14 is fixedly connected to the inner wall of the crimping plate 13, the internal setting of the mounting base 1 is limited 15 bit institutions.

Further, the connecting seat 5 forms an elastic structure with the installation base 1 through the first spring 6, the connecting seat 5 forms a sliding structure with the mounting shell 2 through the connecting bolt 3 and the connecting slide rail 4, and the provided connecting seat 5 is connected to the installation base through the connecting shaft. The base 1 is rotatably connected, and then under the contraction of the first spring 6, it can be pressed to realize the up and down work of the sewing needle 11, and then when the connecting seat 5 performs elastic work, the connecting seat 5 can be connected through the connecting bolt 3 and The connecting slide rail 4 and the installation shell 2 slide on a certain trajectory to ensure stability during work and avoid deflection and damage when pressing up and down, as well as causing the deflection of the sewing needle 11 to cause damage to the work. Injury to personnel.

Furthermore, the mounting block 9 is snap-connected to the connecting base 5 through the mounting slot 7. The mounting block 9 forms a detachable structure with the connecting rod 8 through the threaded bolt 10. The mounting block 9 can engage with the connecting base 5 through the mounting slot 7. and then perform certain disassembly work through the threaded bolt 10 to facilitate the replacement of the sewing needle 11 and improve the use efficiency of the equipment.

Furthermore, the pressure plate 13 forms a rotation structure with the installation base 1 through the mounting shaft 12 , the pressure plate 13 forms an elastic structure with the installation base 1 through the second spring 14 , and the pressure plate 13 uses the contraction effect of the second spring 14 , to achieve the pressing work on the fabric and ensure the stability during sewing work.

Further, the limiting mechanism 15 includes a first gear 1501, a second gear 1502, a threaded shaft 1503, a limiting plate 1504 and a chute 1505. The first gear 1501 is installed inside the installation base 1, and the left side of the first gear 1501 A second gear 1502 is meshedly connected to the side, and a threaded shaft 1503 is fixedly connected to the inside of the second gear 1502. A limiting plate 1504 is installed on the outer surface of the threaded shaft 1503, and a chute 1505 is provided on the inner wall of the pressure plate 13.

Further, the threaded shaft 1503 forms a rotation structure through the second gear 1502 and the first gear 1501, and the limiting plate 1504 forms a sliding structure through the chute 1505 and the pressure plate 13. The provided limiting plate 1504 can be formed through the threaded shaft 1503 and the third gear. Under the rotation of the second gear 1502 and the first gear 1501, the installed limit plate 1504 is provided with a chute 1505 on the pressure plate 13 to perform a certain sliding work, so as to facilitate a certain limit on the sewing fabric and ensure that It can ensure the neatness of fabric sewing work, avoid the deviation of fabric during sewing work, and can make certain adjustments according to the sewing position of fabric.

Working principle: The connecting base 5 is rotatably connected to the installation base 1 through the connecting shaft, and then under the contraction of the first spring 6, it can be pressed to realize the up and down work of the sewing needle 11, and then the sewing needle 11 is moved up and down on the connecting base 5. When working elastically, the connecting base 5 can slide on a certain trajectory with the installation shell 2 through the connecting bolt 3 and the connecting slide rail 4 to ensure stability during work and avoid deflection when pressing up and down, causing Damage, as well as causing injury to workers due to the offset of the sewing needle 11, then the installation block 9 can engage with the connection base 5 through the installation groove 7, and then perform certain disassembly work through the threaded bolt 10 to facilitate the sewing needle. 11 to improve the use efficiency of the equipment. The last set limit plate 1504 can realize the installation of the limit plate 1504 on the crimping plate through the rotation of the threaded shaft 1503, the second gear 1502 and the first gear 1501. 13 is provided with a chute 1505 for certain sliding work, which is convenient for limiting the sewing cloth to a certain extent, ensuring the neatness of the sewing work of the cloth, avoiding the deviation of the cloth during the sewing work, and allowing the sewing according to the The sewing position of the fabric is adjusted to a certain extent.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. Hand-held type sewing machine, its characterized in that: including mounting base (1) and connection slide rail (4), mounting housing (2) are installed to the upper end of mounting base (1), inner wall fixedly connected with connection slide rail (4) of mounting housing (2), the inside sliding connection of connection slide rail (4) has connecting bolt (3), the end of connecting bolt (3) is provided with connecting seat (5), the lower end wall fixedly connected with first spring (6) of connecting seat (5), mounting groove (7) have been seted up to the front end of connecting seat (5), the inside fixedly connected with connecting rod (8) of mounting groove (7), the inside block of connecting rod (8) is connected with installation piece (9), threaded bolt (10) are installed to the front end of installation piece (9), the lower extreme fixedly connected with sewing needle (11) of installation piece (9), installation axle (12) are installed to the up end of mounting base (1), internally mounted of installation axle (12) has wire pressing plate (13), the inside fixedly connected with second spring (1) of wire pressing plate (13) is installed in the inside spacing mechanism (15).

2. The hand-held sewing machine of claim 1, wherein: the connecting seat (5) and the mounting base (1) form an elastic structure through the first spring (6), and the connecting seat (5) and the mounting shell (2) form a sliding structure through the connecting bolt (3) and the connecting sliding rail (4).

3. The hand-held sewing machine of claim 1, wherein: the installation block (9) is in clamping connection with the connecting seat (5) through the installation groove (7), and the installation block (9) and the connecting rod (8) form a detachable structure through the threaded bolt (10).

4. The hand-held sewing machine of claim 1, wherein: the wire pressing plate (13) and the mounting base (1) form a rotating structure through the mounting shaft (12), and the wire pressing plate (13) and the mounting base (1) form an elastic structure through the second spring (14).

5. The hand-held sewing machine of claim 1, wherein: stop gear (15) are including first gear (1501), second gear (1502), screw shaft (1503), limiting plate (1504) and spout (1505), internally mounted of mounting base (1) has first gear (1501), the left side meshing of first gear (1501) is connected with second gear (1502), the inside fixedly connected with screw shaft (1503) of second gear (1502), the surface mounting of screw shaft (1503) has limiting plate (1504), spout (1505) have been seted up to the inner wall of line ball board (13).

6. The hand-held sewing machine of claim 5, wherein: the threaded shaft (1503) and the first gear (1501) form a rotating structure through the second gear (1502), and the limiting plate (1504) and the line pressing plate (13) form a sliding structure through the sliding groove (1505).