CN217026320U

CN217026320U - Sewing machine stop gear

Info

Publication number: CN217026320U
Application number: CN202220240224.XU
Authority: CN
Inventors: 崔亦强
Original assignee: Hebei Qianyi Textile Manufacturing Co ltd
Current assignee: Hebei Qianyi Textile Manufacturing Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-22
Anticipated expiration: 2032-01-28

Abstract

The utility model relates to the technical field of sewing machines, and provides a limiting mechanism of a sewing machine, which does not need an operator to hold cloth for sewing when in use, has low danger and is not easy to accidentally injure the operator, and comprises a bottom plate, wherein the top end of the bottom plate is provided with two sliding grooves, two supporting rods are respectively connected in the two sliding grooves in a sliding manner, the top ends of the supporting rods are connected with a top plate, the top end of the top plate is clamped and provided with two sliding ports, limiting plates are respectively connected in the two sliding ports in a sliding manner, through grooves are respectively formed in the two limiting plates, sliding blocks are respectively connected in the two through grooves in a sliding manner, the top ends of the two sliding blocks are respectively connected with a spring, the opposite ends of the two sliding blocks are respectively connected with an upper limiting wheel in a rotating manner, the opposite ends of the two limiting plates are respectively connected with a lower limiting wheel in a rotating manner, the bottom ends of the two limiting plates are respectively connected with an adjusting toothed belt, the bottom end of the top plate is provided with a first motor through a bracket, the output end of the first motor penetrates through the bracket and is connected with a rotating gear, the bottom end of the bracket is provided with an adjusting device.

Description

Sewing machine stop gear

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a limiting mechanism of a sewing machine.

Background

As is well known, a sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to interweave or sew up one or more layers of the sewing material, and the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, and products such as leather, plastics, paper and the like, the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and the sewing machine needs a limit mechanism to limit when in use, so the limit mechanism of the sewing machine is widely used in the technical field of sewing machines.

Through the retrieval, chinese patent application number is CN 201320474648.3's utility model patent discloses a sewing machine push pedal stop gear, its roughly description does, including sewing machine base panel, be equipped with the access hole on the sewing machine base panel, be equipped with the push pedal on the access hole, one side that lies in the access hole on the sewing machine base panel is equipped with the pit, the pit in be equipped with the elasticity locking plate, the one end and the pit bottom surface of elasticity locking plate be connected, the other end of elasticity locking plate supports spacingly with the one end of the tight push pedal in top, it when using, presses the elasticity locking plate, the push pedal just can be released smoothly.

Although the push plate can be smoothly pushed out by pressing the elastic stop piece in the prior art, the push plate needs to be sewn by holding cloth by an operator when in use, so that the danger is high, and the operator is easily injured by mistake.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a limiting mechanism of a sewing machine, which aims to solve the problems that in the prior art, when the limiting mechanism is used, an operator needs to hold cloth to sew, the danger is high, and the operator is easily injured by mistake.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a sewing machine limiting mechanism comprises a bottom plate, wherein two sliding grooves are formed in the top end of the bottom plate, two supporting rods are connected in the two sliding grooves in a sliding mode, a top plate is fixedly connected to the top ends of the supporting rods, two sliding openings are formed in the top end of the top plate in a clamping mode, limiting plates are connected in the two sliding openings in a sliding mode, through grooves are formed in the two limiting plates, sliding blocks are connected in the two through grooves in a sliding mode, springs are fixedly connected to the top ends of the two sliding blocks, upper limiting wheels are rotatably connected to opposite ends of the two sliding blocks, lower limiting wheels are rotatably connected to opposite ends of the two limiting plates, adjusting toothed belts are fixedly connected to the bottom ends of the two limiting plates, a first motor is installed at the bottom end of the top plate through a support, the output end of the first motor penetrates through the support and is fixedly connected with a rotating gear, the rotating gear is meshed with the two adjusting toothed belts, and the bottom end of the bracket is provided with an adjusting device.

Preferably, the adjusting device comprises a second motor, the output end of the second motor is fixedly connected with a movable gear, the top end of the bottom plate is fixedly connected with a movable toothed belt, and the movable gear is meshed with the movable toothed belt.

Furthermore, the top end of the two sliding blocks is fixedly connected with a pull rod, and the top ends of the two pull rods penetrate through the limiting plate and are fixedly connected with a lifting handle.

Furthermore, a plurality of mounting holes are formed in the top end of the bottom plate.

As a further scheme of the scheme, the top end of the top plate is provided with a needle groove.

As a still further aspect of this scheme, the roof welding is on the top of a plurality of bracing pieces.

On the basis of the scheme, the two upper limiting wheels and the two lower limiting wheels are provided with anti-skid rubber rings.

On the basis of the above scheme, further, the two limiting plates are respectively connected in the two sliding ports through the two sliding rails in a sliding manner.

(III) advantageous effects

Compared with the prior art, the utility model provides a sewing machine limiting mechanism which has the following beneficial effects:

according to the utility model, the first motor arranged at the bottom end of the bracket rotates and drives the adjusting gear fixedly connected with the output end of the first motor to be meshed with the adjusting toothed belts fixedly connected with the bottom ends of the two limiting plates, so that the two limiting plates in sliding connection are driven to perform adjusting operation, the cloth is limited by the two sliders and the upper limiting wheel and the lower limiting wheel which are respectively connected with the two limiting plates in a rotating manner, and the cloth is transversely adjusted by the adjusting device arranged at the bottom end of the bracket, so that the limiting mechanism of the sewing machine is free from an operator to sew the cloth by holding the cloth by hand when in use, is low in danger and is not easy to accidentally injure the operator.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of the utility model with a bottom plate, a limiting plate, an upper limiting wheel and the like matched with each other;

FIG. 3 is a schematic perspective view of the first motor, the second motor, the moving gear, etc. of the present invention;

fig. 4 is a schematic view of a part a of the enlarged structure of fig. 2 according to the present invention.

In the figure: 1. a base plate; 2. a support bar; 3. a top plate; 4. a limiting plate; 5. a slider; 6. a spring; 7. an upper limiting wheel; 8. a lower limiting wheel; 9. adjusting the toothed belt; 10. a first motor; 11. a rotating gear; 12. a second motor; 13. a moving gear; 14. moving the toothed belt; 15. a pull rod; 16. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, a stop mechanism of a sewing machine comprises a bottom plate 1, wherein a plurality of mounting holes are formed at the top end of the bottom plate 1 so as to facilitate mounting operation of the bottom plate 1, two sliding grooves are formed at the top end of the bottom plate 1, two supporting rods 2 are slidably connected in the two sliding grooves, a top plate 3 is fixedly connected at the top ends of the supporting rods 2, the top plate 3 is welded at the top ends of the supporting rods 2 so as to facilitate easy operation during connection, the overall connection strength is high, the stability during connection is good, the service life is long, a needle groove is formed at the top end of the top plate 3 so as to facilitate damage of a needle head during sewing, two sliding ports are formed in a top end clamp of the top plate 3, stop plates 4 are slidably connected in the two sliding ports respectively, the two stop plates 4 are slidably connected in the two sliding ports through two sliding rails so as to facilitate stable sliding and are not easy to fall off during sliding, the two limiting plates 4 are respectively provided with a through groove, the two through grooves are respectively connected with a sliding block 5 in a sliding manner, the top ends of the two sliding blocks 5 are fixedly connected with a pull rod 15, the top ends of the two pull rods 15 penetrate through the limiting plates 4 and are fixedly connected with a lifting handle 16, so that the pull rods 15 can be conveniently lifted through the lifting handle 16, the top ends of the two sliding blocks 5 are respectively fixedly connected with a spring 6, the opposite ends of the two sliding blocks 5 are respectively and rotatably connected with an upper limiting wheel 7, the opposite ends of the two limiting plates 4 are respectively and rotatably connected with a lower limiting wheel 8, the two upper limiting wheels 7 and the two lower limiting wheels 8 are respectively provided with an anti-skidding rubber ring so as to prevent the anti-skidding rubber rings from skidding when clamping cloth, the bottom ends of the two limiting plates 4 are respectively and fixedly connected with adjusting toothed belts 9, the bottom end of the top plate 3 is provided with a first motor 10 through a bracket, the output end of the first motor 10 penetrates through the bracket and is fixedly connected with a rotating gear 11, the rotating gear 11 is meshed with the two adjusting toothed belts 9, adjusting device is installed to the bottom of support, and adjusting device includes second motor 12, and the output fixedly connected with of second motor 12 removes gear 13, and the top fixedly connected with of bottom plate 1 removes the cingulum 14, removes gear 13 and removes the cingulum 14 meshing so that drive roof 3 and carry out the horizontal regulation operation.

It should be further noted that, in this embodiment, the first motor 10 and the second motor 12 are conventional devices purchased from the market and known to those skilled in the art, and the models can be selected or customized according to actual needs, in this patent, we only use them, and do not improve their structures and functions, and their setting, installation, and electrical connection modes are used, for those skilled in the art, only debugging operations are performed according to the requirements of their usage specifications, and they are not described herein again, and the first motor 10 and the second motor 12 are both provided with control switches matching them, and the installation positions of the control switches are selected according to actual usage requirements, so that an operator can perform operation control conveniently.

In conclusion, when the sewing machine limiting mechanism is used, firstly, the sewing machine limiting mechanism is placed at a required using place, the first motor 10 and the second motor 12 are connected with a forward and reverse rotation circuit according to the specification, then the first motor 10 and the second motor 12 are started, the first motor 10 arranged at the bottom end of the bracket rotates and drives the adjusting gear fixedly connected with the output end of the first motor 10 to be meshed with the adjusting toothed belts 9 fixedly connected with the bottom ends of the two limiting plates 4, so as to drive the limiting plates 4 in sliding connection in the two sliding openings to carry out adjusting operation, the cloth is limited by the upper limiting wheels 7 and the lower limiting wheels 8 respectively and rotatably connected with the two sliding blocks 5 and the two limiting plates 4, the second motor 12 arranged at the bottom end of the bracket rotates and drives the moving gear 13 fixedly connected with the output end of the second motor 12 to be meshed with the moving gear 13 fixedly connected with the top end of the bottom plate 1, thereby the roof 3 that drives the top fixed connection of a plurality of bracing pieces 2 carries out the horizontal regulation operation to carry out spacing regulation operation to the cloth.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sewing machine limiting mechanism comprises a base plate (1) and is characterized in that two sliding grooves are formed in the top end of the base plate (1), two supporting rods (2) are connected into the two sliding grooves in a sliding mode, a top end of each supporting rod (2) is fixedly connected with a top plate (3), two sliding openings are formed in the top end of each top plate (3) in a clamping mode, two limiting plates (4) are connected into the sliding openings in a sliding mode, through grooves are formed in the two limiting plates (4), two sliding blocks (5) are connected into the through grooves in a sliding mode, springs (6) are fixedly connected to the top ends of the two sliding blocks (5), the opposite ends of the two sliding blocks (5) are rotatably connected with upper limiting wheels (7), the opposite ends of the two limiting plates (4) are rotatably connected with lower limiting wheels (8), and the bottom ends of the two limiting plates (4) are fixedly connected with adjusting toothed belts (9), there is first motor (10) bottom of roof (3) through the support mounting, the output of first motor (10) runs through support and fixedly connected with running gear (11), running gear (11) and two regulation cingulums (9) meshing, adjusting device is installed to the bottom of support.

2. Sewing machine stop mechanism according to claim 1, characterized in that the adjusting device comprises a second motor (12), the output of the second motor (12) is fixedly connected with a moving gear (13), the top end of the bed plate (1) is fixedly connected with a moving toothed belt (14), and the moving gear (13) meshes with the moving toothed belt (14).

3. The sewing machine limiting mechanism according to claim 2, characterized in that the top ends of the two sliding blocks (5) are fixedly connected with pull rods (15), and the top ends of the two pull rods (15) penetrate through the limiting plate (4) and are fixedly connected with handles (16).

4. The sewing machine spacing mechanism according to claim 3, characterized in that the top end of the bottom plate (1) is provided with a plurality of mounting holes.

5. The sewing machine limiting mechanism according to claim 4, wherein a needle groove is formed at the top end of the top plate (3).

6. A sewing machine stop mechanism according to claim 5, wherein the top plate (3) is welded to the top ends of a plurality of support rods (2).

7. A sewing machine stop mechanism according to claim 6, characterized in that both the upper stop wheels (7) and the lower stop wheels (8) are provided with anti-slip rubber rings.

8. The sewing machine spacing mechanism according to claim 7, wherein the two spacing plates (4) are slidably connected in the two sliding rails respectively through two sliding rails.