CN216040170U

CN216040170U - Speed regulating device for linking machine

Info

Publication number: CN216040170U
Application number: CN202122140726.3U
Authority: CN
Inventors: 欧炳林
Original assignee: Guangzhou Langou Clothing Co ltd
Current assignee: Guangzhou Langou Clothing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-15
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a speed regulating device for a sewing machine, which relates to the technical field of sewing machines and aims to solve the problems that in the prior art, an auxiliary mechanism is really adjusted on a frequency conversion box, the control is not accurate enough and the cleaning and maintenance of the device are inconvenient; the auxiliary mechanism is used for relieving the limitation of the bayonet lock on the rack, and the pedal type driving device is used for driving, so that the normal work of an operator is not delayed, manual operation is not needed, and the use is simple and convenient; adopt screens mechanism to realize being connected dismantling between mounting panel and the slide, be convenient for take off the slide from the mounting panel, maintain rack and speed governing switch, improve work efficiency.

Description

Speed regulating device for linking machine

Technical Field

The utility model relates to the technical field of sewing machine, in particular to a speed regulating device for a sewing machine.

Background

The linking machine is also called a disc sewing machine, commonly called a looping machine, and is a machine for sewing a sweater looping by using a sewing thread. The sewing machine can efficiently and quickly finish the sewing work of the garment pieces of the sweater, and the efficiency is greatly improved compared with the manual sewing work.

Chinese patent CN201220571267.2 discloses a speed regulating device of a sewing machine, which adopts the technical scheme that the speed regulating device of the sewing machine comprises: the speed regulating device comprises a speed regulating mechanism, a driving plate and a connecting device for connecting the speed regulating mechanism and the driving plate; the speed regulating mechanism comprises: the connecting device is connected with the lower end of the rack, and the speed regulating switch is connected with a frequency conversion box; the driving plate drives the connecting device to pull the rack to slide downwards, and the gear is meshed with the rack to rotate so as to drive the speed regulation switch to realize speed change of the sewing machine; the technical scheme has the following problems that the driving gear is driven to rotate by opening the pedal plate, so that the frequency conversion box is adjusted, an auxiliary mechanism is lacked, and the force of pressing the pedal plate by an operator cannot be controlled, so that certain defects exist in the adjustment of the frequency conversion box; the slide passes through the fix with screw on the mounting panel, is not convenient for clear up the maintenance to the rack, consequently, needs a linking machine speed adjusting device to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a speed regulating device for a sewing machine, which adopts the technical scheme that the speed regulating device comprises a frequency conversion box, an installation plate, a rack, a sliding seat, a gear and a pedal plate, wherein the sliding seat is arranged on the installation plate, the rack is connected on the sliding seat in a sliding manner, a speed regulating switch is installed on the installation plate through the gear, the speed regulating switch is electrically connected with the frequency conversion box, the gear is meshed with the rack, and the rack is connected with the pedal plate through a steel wire rope; the slide through the screens mechanism with the connection can be dismantled to the mounting panel, the rack adopts two-sided rack, and through adopting two-sided rack, the rack of one side comes drive gear, realizes the speed regulation of frequency conversion case to linking machine, and the tooth of another side meshes with the spending mutually, comes to carry on in real time spacingly to the rack, makes operating personnel more stable to the speed regulation of frequency conversion case, the right side of rack still is equipped with tooth, the mounting groove has been seted up on the slide, sliding connection has the tooth round pin in the mounting groove, the tooth round pin with the tooth meshes mutually, and the position is corresponding, the tooth round pin with it has compression spring still to press between the slide, it is right still to be equipped with on the slide the complementary unit of tooth round pin.

As a preferred technical scheme of the utility model, the auxiliary mechanism comprises a second steel wire rope and a second pedal plate, the slide seat is further provided with a through hole, the through hole is communicated with the mounting groove, the second steel wire rope is connected in the through hole in a sliding manner, one end of the second steel wire rope is connected with the gear pin, the other end of the second steel wire rope is connected with the second pedal plate, the auxiliary mechanism is adopted to relieve the limitation of the bayonet lock on the rack, and the pedal type driving device is adopted to drive, so that the normal work of an operator is not delayed, the manual operation is not required, and the use is simple and convenient.

As a preferable technical solution of the present invention, the tooth pin includes a left end and a right end, the left end is engaged with the teeth, and the right end is connected to the second wire rope.

As a preferable technical scheme of the present invention, a sliding block is further disposed on a contact surface of the rack and the mounting plate, and a sliding rail for the sliding block to slide is disposed on the mounting plate.

As a preferable technical scheme of the utility model, the sliding block is a T-shaped sliding block, the sliding block is arranged at the bottom of the rack, and the mounting seat is provided with a sliding rail for the sliding block to slide, so that the rack can be ensured to be more stable during sliding, no offset occurs, and the frequency conversion box is more accurately controlled.

As a preferred technical scheme of the utility model, the clamping mechanism comprises a clamping pin and an extension spring, the sliding seat is a U-shaped sliding seat, a groove which corresponds to the sliding seat in position and is matched with the sliding seat in size is formed in the mounting plate, a sliding hole is further formed in the mounting plate and is communicated with the groove, the clamping pin is connected in the sliding hole in a sliding manner, a limiting groove which corresponds to the clamping pin in position and is matched with the clamping pin in size is further formed in the sliding seat, and the extension spring is further arranged between the clamping pin and the mounting plate.

As a preferred technical scheme of the utility model, the bayonet is a T-shaped pin and comprises a transverse pin and a vertical pin, and the extension spring is arranged between the vertical pin and the mounting plate; the transverse pin corresponds to the position of the limiting groove, the size of the transverse pin is matched with that of the limiting groove, the clamping mechanism is adopted to realize detachable connection between the mounting plate and the sliding seat, the sliding seat is convenient to take down from the mounting plate, the rack and the speed regulation switch are maintained, and the working efficiency is improved.

The utility model has the beneficial effects that: according to the utility model, the double-sided rack is adopted, the rack on one side drives the gear, so that the rotating speed of the sewing machine is regulated by the frequency conversion box, the teeth on the other side are meshed with the overhead, so that the rack is limited in real time, and the rotating speed of the frequency conversion box is regulated more stably by an operator; the auxiliary mechanism is used for relieving the limitation of the bayonet lock on the rack, and the pedal type driving device is used for driving, so that the normal work of an operator is not delayed, manual operation is not needed, and the use is simple and convenient; adopt screens mechanism to realize being connected dismantling between mounting panel and the slide, be convenient for take off the slide from the mounting panel, maintain rack and speed governing switch, improve work efficiency.

Further, set up the slider in the rack bottom to set up on the mount pad and supply its gliding slide rail, can guarantee that the rack is more stable when sliding, the skew can not appear, and is more accurate to the control of frequency conversion case.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the utility model at A.

In the figure: 1-frequency conversion box, 2-mounting plate, 3-rack, 4-slide seat, 5-gear, 6-pedal, 7-second pedal, 8-slide block, 9-tooth, 10-tooth pin, 11-compression spring, 12-bayonet lock and 13-extension spring.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a speed regulating device for a sewing machine, which adopts the technical scheme that the speed regulating device comprises a frequency conversion box 1, a mounting plate 2, a rack 3, a sliding seat 4, a gear 5 and a pedal plate 6, wherein the sliding seat 4 is arranged on the mounting plate 2, the rack 3 is connected on the sliding seat 4 in a sliding manner, a speed regulating switch is arranged on the mounting plate 2 through the gear 5, the speed regulating switch is electrically connected with the frequency conversion box 1, the gear 5 is meshed with the rack 3, the bottom of the rack 3 is connected with the pedal plate 6 through a steel wire rope, and a spring is arranged between the top of the rack 3 and the mounting plate 2; slide 4 through the screens mechanism with the connection can be dismantled to mounting panel 2, rack 3 adopts two-sided rack, the right side of rack 3 still is equipped with tooth 9, the left side of rack 3 with gear 5 meshes mutually, the mounting groove has been seted up on slide 4, sliding connection has tooth round pin 10 in the mounting groove, tooth round pin 10 with tooth 9 meshes mutually, and the position is corresponding, tooth round pin 10 with it has compression spring 11 still to press to be equipped with between the slide 4, tooth round pin 10 with cooperation relation between the tooth 9 is the same with the cooperation relation between the ratchet pawl, tooth round pin 10 can be right tooth 9 carries out real-time spacing, it is right still to be equipped with on slide 4 tooth round pin 10's complementary unit, complementary unit is right tooth round pin 10 relieves right tooth 9's spacing.

As a preferable technical solution of the present invention, the auxiliary mechanism includes a second wire rope and a second pedal 7, the slide 4 is further provided with a through hole, the through hole is communicated with the mounting groove, the second wire rope is slidably connected in the through hole, one end of the second wire rope is connected to the tooth pin 10, the other end of the second wire rope is connected to the second pedal 7, and the second pedal 7 and the pedal 6 have the same structure.

As a preferred technical solution of the present invention, the tooth pin 10 includes a left end and a right end, the left end is engaged with the teeth 9, the right end is cylindrical or rectangular, and the right end is connected to the second wire rope.

As a preferable technical scheme of the present invention, a sliding block 8 is further disposed on an opposite surface of the rack 3 and the mounting plate 2, a sliding rail for the sliding block 8 to slide is disposed on the mounting plate 2, and the sliding block 8 is slidably connected to the sliding rail.

As a preferable technical scheme of the utility model, the sliding block 8 is a T-shaped sliding block, and the sliding rail is a T-shaped sliding rail.

As a preferred technical scheme of the present invention, the clamping mechanism includes a bayonet lock 12 and an extension spring 13, the slide seat 4 is a U-shaped slide seat, the mounting plate 2 is provided with a groove corresponding to the slide seat 4 in position and matching in size, the mounting plate 2 is further provided with a slide hole, the slide hole is communicated with the groove, the bayonet lock 12 is connected in the slide hole in a sliding manner, the slide seat 4 is further provided with a limit groove corresponding to the bayonet lock 12 in position and matching in size, and the extension spring 13 is further provided between the bayonet lock 12 and the mounting plate 2.

As a preferred technical scheme of the present invention, the bayonet 12 is a T-shaped pin, and includes a horizontal pin and a vertical pin, the extension spring 13 is further disposed between the vertical pin and the mounting plate 2, and the extension spring 13 is sleeved on the horizontal pin; the transverse pin corresponds to the limiting groove in position and is matched with the limiting groove in size, the transverse pin and the vertical pin are both cylindrical, and the diameter of the vertical pin is larger than that of the transverse pin.

The working principle of the utility model is as follows: when the device is used, an operator can step on the foot pedal 6, the rack 3 slides on the sliding seat 4 through the steel wire rope, the spring between the rack 3 and the mounting plate 2 is stretched, the rack 3 drives the sliding block 8 at the bottom to slide in the sliding rail on the mounting plate 2 while sliding, so that the rack 3 is more stable and avoids deviation, the rack 3 drives the gear 5 to rotate through the tooth socket on the left side, so that the speed regulating switch is driven to rotate, the rotating speed regulation of the frequency conversion box 1 is realized, meanwhile, when the rack 3 moves downwards, the tooth 9 on the right side of the rack 3 extrudes the left end of the tooth pin 10 meshed with the tooth pin, so that the tooth pin 10 slides in the mounting groove on the sliding seat 4 and extrudes the compression spring 11, and when the rack 3 continues to move downwards, the tooth pin 10 is embedded between the adjacent teeth 9 under the elastic force of the compression spring 11, so that the real-time limit on the rack 3 is realized; when the rotating speed needs to be reduced, an operator steps on the second pedal 7, the gear pin 10 is driven by the second steel wire rope to relieve the limit on the rack 3, the rack 3 is reset under the elastic action of the spring, and the rotating speed of the frequency conversion box 1 is reduced; when maintenance is needed, the bayonet lock 12 is pulled outwards, the extension spring 13 is extended, meanwhile, the bayonet lock 12 slides out of the limiting groove on the sliding seat 4, the limiting on the sliding seat 4 is released, the sliding seat 4 can be taken down, and the device is cleaned and maintained.

The circuit connections according to the utility model are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A speed regulating device for a sewing machine comprises a frequency conversion box (1), a mounting plate (2), a rack (3), a sliding seat (4), a gear (5) and a pedal (6), wherein the sliding seat (4) is arranged on the mounting plate (2), the rack (3) is connected on the sliding seat (4) in a sliding manner, a speed regulating switch is arranged on the mounting plate (2) through the gear (5), the speed regulating switch is electrically connected with the frequency conversion box (1), the gear (5) is meshed with the rack (3), and the rack (3) is connected with the pedal (6) through a steel wire rope; the method is characterized in that: slide (4) through the screens mechanism with the connection can be dismantled in mounting panel (2), rack (3) adopt two-sided rack, the right side of rack (3) still is equipped with tooth (9), the mounting groove has been seted up on slide (4), sliding connection has tooth round pin (10) in the mounting groove, tooth round pin (10) with tooth (9) mesh mutually, and the position is corresponding, tooth round pin (10) with it has compression spring (11) still to press to be equipped with between slide (4), it is right still to be equipped with on slide (4) the complementary unit of tooth round pin (10).

2. The speed regulating device for the linking machine according to claim 1, wherein: the auxiliary mechanism comprises a second steel wire rope and a second pedal plate (7), a through hole is further formed in the sliding seat (4), the through hole is communicated with the mounting groove, the second steel wire rope is connected in the through hole in a sliding mode, one end of the second steel wire rope is connected with the gear pin (10), and the other end of the second steel wire rope is connected with the second pedal plate (7).

3. The speed regulating device for the linking machine according to claim 2, wherein: the tooth pin (10) comprises a left end and a right end, the left end is meshed with the teeth (9), and the right end is connected with the second steel wire rope.

4. The speed regulating device for the linking machine according to claim 1, wherein: the rack (3) and the mounting plate (2) are also provided with a sliding block (8) on the opposite surface, and the mounting plate (2) is provided with a sliding rail for the sliding of the sliding block (8).

5. The speed regulating device for the linking machine according to claim 4, wherein: the sliding block (8) is a T-shaped sliding block.

6. The speed regulating device for the linking machine according to claim 1, wherein: screens mechanism includes bayonet lock (12) and extension spring (13), slide (4) are "U" font slide, seted up on mounting panel (2) with slide (4) position is corresponding, size assorted recess, still be equipped with the slide opening on mounting panel (2), the slide opening with the recess intercommunication, sliding connection has in the slide opening bayonet lock (12), still be equipped with on slide (4) with bayonet lock (12) position is corresponding, size assorted spacing groove, bayonet lock (12) with still be equipped with between mounting panel (2) extension spring (13).

7. The speed regulating device for the linking machine according to claim 6, wherein: the bayonet lock (12) is a T-shaped pin and comprises a transverse pin and a vertical pin, and the extension spring (13) is arranged between the vertical pin and the mounting plate (2); the transverse pin corresponds to the limiting groove in position and is matched with the limiting groove in size.