CN220394053U - Special presser foot for pressing line of flat car shirt collar - Google Patents

Abstract

The utility model relates to a presser foot, in particular to a presser foot special for a press line of a flat car shirt collar, which comprises a mounting column arranged on a presser foot rod, wherein a through cavity is formed in the bottom of the mounting column, a narrow fixing presser foot is slidably arranged in the through cavity, a wide fixing presser foot is arranged in the through cavity, the wide fixing presser foot comprises a wide connecting part arranged in the through cavity and a wide fixing part used for fixing fabric, a hooking part is arranged on the wide fixing part and used for hooking the fabric, and a lifting driving assembly used for driving the narrow fixing presser foot to lift along the vertical direction is arranged on the mounting column. The application has the effect that the production efficiency is improved and the quality of finished products can be guaranteed.

Description

Special presser foot for pressing line of flat car shirt collar

Technical Field

The utility model relates to a presser foot, in particular to a presser foot special for pressing lines of a shirt collar of a flat car.

Background

The flatcar shirt collar is characterized in that no visible stitching is arranged between the collar and the collar, so that the collar edge looks smooth and tidy. The sewing method is generally suitable for the inner side of the shirt collar, so that the appearance is more attractive, no stitch is exposed, a special presser foot for pressing lines is usually needed in the sewing process, and the threads can be tightly pressed on the fabric during sewing, so that the flatness and the regularity of the stitch are ensured.

The special presser foot for pressing the wires in the related art comprises a mounting column detachably connected to a presser foot rod, a wide fixed presser foot arranged on the mounting column and a narrow fixed presser foot arranged on the mounting column, wherein the fabric is fixed through the wide fixed presser foot and the narrow fixed presser foot, the presser foot rod is started, the presser foot rod is in lifting motion to weave the fabric, and meanwhile, the fabric is continuously moved towards the longitudinal direction.

However, when the presser foot of the flat car sold in the market at present needs a machine to continuously move the fabric towards the longitudinal direction in the sewing process, the fabric is easy to move at the transverse distance, the exposed width of the bright line is easy to do, the quality of finished products is difficult to control, and the operation efficiency is low.

Disclosure of Invention

In order to improve the phenomenon that the quality of finished products is difficult to control and the operation efficiency is low when the press foot of the existing flat car sold on the market needs a machine to continuously move the fabric towards the longitudinal direction in the sewing process, the fabric is easy to move at a transverse distance, the exposed width of the exposed thread is easy to do, and the finished products are inconsistent.

The special presser foot of flat car shirt collar line ball that this application provided adopts following technical scheme:

the utility model provides a special presser foot of flat car shirt collar line ball, is including being used for setting up in the erection column of presser foot pole, logical chamber has been seted up to the bottom of erection column, it is provided with narrow fixed presser foot to lead to the intracavity to slide, lead to the intracavity and be provided with wide fixed presser foot, wide fixed presser foot including set up in wide connecting portion of leading to the chamber and the wide fixed part that is used for fixed surface fabric, be provided with on the wide fixed part and collude the portion of holding, it is used for colluding to hold the surface fabric to collude the portion of holding, be provided with on the erection column and be used for the drive the lift drive assembly that narrow fixed presser foot goes up and down along vertical direction.

Through adopting above-mentioned technical scheme, make narrow fixed presser foot and the fixed presser foot of width in horizontal direction looks adaptation through lift drive assembly, with surface fabric and the cooperation of holding of colluding. When the presser foot bar is used for sewing the fabric in a lifting motion, the fabric is continuously moved towards the longitudinal direction, and the fabric is hooked and matched with the hooking part, so that the fabric is reduced to be moved in the transverse direction, the extruded dark line and the extruded bright line are consistent in width, a novice can be trained to operate quickly, the production efficiency can be improved, the quality of a finished product can be guaranteed, and the fabric is very convenient and practical.

Preferably, the lifting driving assembly comprises an adjusting screw rod in the mounting column, a worm sleeve arranged at one end of the adjusting screw rod, a gear arranged in the mounting column in a rotating mode, a worm wheel coaxially arranged on the gear, and a rack arranged on the narrow fixed presser foot, wherein two ends of the adjusting screw rod respectively extend out of one side, away from the through cavity, of the mounting column and the inner wall, close to the narrow fixed presser foot, of the through cavity, the worm sleeve is meshed with the gear, and the rack is meshed with the gear.

Through adopting above-mentioned technical scheme, rotate accommodate the lead screw, drive I worm cover rotation when accommodate the lead screw pivoted, drive worm wheel rotation when worm cover pivoted, drive gear rotation when worm wheel pivoted, drive rack carries out elevating movement when gear rotation, and then make narrow fixed presser foot be elevating movement to realize the purpose of the lift of the narrow fixed presser foot of drive.

Preferably, the adjusting screw rod extends to one side, away from the through cavity, of the mounting column, and a rotating disc is rotatably arranged on the adjusting screw rod.

Through adopting above-mentioned technical scheme, the staff can improve the smooth and easy degree of rotation adjusting screw through rotating the rolling disc to realize laborsaving purpose.

Preferably, the inner wall of the through cavity is provided with a mounting block, the mounting block is provided with a mounting assembly, and the wide fixing presser foot is detachably connected with the mounting block through the mounting assembly.

Through adopting above-mentioned technical scheme, when the wide fixed presser foot appears unusual or need change the wide fixed presser foot of other specifications, the accessible installation component demolishs the wide fixed presser foot on the installation piece to install good or the wide fixed presser foot of other specifications on the installation piece through the installation component.

Preferably, the installation component includes set up in grafting groove on the installation piece, set up in grafting piece on the wide connecting portion, set up in a plurality of first fixed orifices on the installation piece, set up in a plurality of second fixed orifices on the wide connecting portion and equal threaded connection in first fixed orifices with the fixing bolt of second fixed orifices, a plurality of first fixed orifices with a plurality of the second fixed orifices is corresponding, grafting groove and grafting piece grafting cooperation.

Through adopting above-mentioned technical scheme, the staff is pegged graft the grafting cooperation with the grafting groove on wide connecting portion on with the installation piece, simultaneously through fixing bolt respectively with first fixed orifices and rather than corresponding second fixed orifices threaded connection, make wide connecting portion and installation piece fixed connection to realize that wide fixed presser foot installs on the installation piece.

Preferably, the hooking part and the fabric are in arc-shaped arrangement.

By adopting the technical scheme, the hook holding part and the fabric are in arc-shaped arrangement, so that the current damage of the hook holding part and the fabric during hooking can be reduced, and the quality of the fabric is affected.

Preferably, an elastic piece for driving the installation block to slide relative to the vertical direction of the installation column is arranged between the through cavity and the installation block, and the installation block is in sliding fit with the inner wall of the through cavity, which is close to the installation column.

By adopting the technical scheme, the elastic piece can drive the mounting block to slide relative to the vertical direction of the mounting column, so that the wide fixed presser foot on the mounting block slides relative to the vertical direction of the mounting column. When the presser foot bar moves up and down to weave and paint the fabric, the elastic piece moves simultaneously, so that the wide fixed presser foot is damped and the supporting force is provided.

Preferably, the elastic piece is a compression spring, one end of the compression spring is arranged on the inner wall of the through cavity facing the opening of the through cavity, and the other end of the compression spring is arranged on one side, close to the inner wall of the through cavity facing the opening of the installation block, of the installation block.

By adopting the technical scheme, when the presser foot bar makes descending motion to weave and paint the fabric, until the wide fixing part is abutted against the fabric, the compression spring is compressed by the abutting force, and at the moment, the compression spring can be used for reducing the impact of vibration on the fabric and stitches; when the presser foot bar makes descending motion to weave and paint the fabric, until the wide fixing part is far away from the fabric, the compression spring is contacted with the abutting force to release elastic potential energy, and at the moment, the compression spring can be used for providing proper pressure to enable the wide fixing part to be in close contact with the sewn fabric.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fabric is continuously moved towards the longitudinal direction through the hooking cooperation of the hooking part and the fabric, and the fabric is reduced to be moved in the transverse direction due to the hooking cooperation of the fabric and the hooking part, so that the consistency of the width of the extruded hidden line and the width of the extruded open line is realized, a novice can rapidly operate after training, the production efficiency is improved, the quality of a finished product is ensured, and the fabric is very convenient and practical;

2. the hook holding part and the fabric are in arc-shaped arrangement, so that the current damage of the hook holding part and the fabric during hooking can be reduced, and the quality of the fabric is affected.

Drawings

Fig. 1 is a schematic view of the overall structure in the present embodiment;

fig. 2 is a schematic view of the overall structure for showing another angle in the present embodiment;

FIG. 3 is a partial cross-sectional view showing the mating relationship of the worm sleeve and worm gear;

FIG. 4 is a schematic view from above showing the whole of the wide fixed presser foot;

fig. 5 is an exploded view for showing the fitting relation of the mounting block to the wide connecting portion.

Reference numerals illustrate: 1. a mounting column; 2. a first mounting groove; 3. a second mounting groove; 4. a cavity is communicated; 5. a narrow fixed presser foot; 6. a narrow connection; 7. a narrow fixing portion; 8. adjusting a screw rod; 9. a gear; 10. a worm sleeve; 101. a worm wheel; 11. a rack; 12. a rotating disc; 13. a mounting block; 14. a compression spring; 15. a wide fixed presser foot; 16. a wide connection portion; 17. a wide fixing portion; 18. a plug block; 19. a plug-in groove; 20. a first fixing hole; 21. a second fixing hole; 22. a fixing bolt; 23. a hooking part.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The special presser foot of flatcar shirt collar line ball, refer to fig. 1, including installing the erection column 1 on the presser foot pole, first mounting groove 2 has been seted up to one side of erection column 1, and second mounting groove 3 has been seted up to one end that erection column 1 kept away from first mounting groove 2, and first mounting groove 2 and second mounting groove 3 all are the U type setting, and the size of first mounting groove 2 is less for the size of second mounting groove 3, and first mounting groove 2 communicates with each other with second mounting groove 3. The first mounting groove 2 and the second mounting groove 3 are used for being mounted on the presser foot bar.

Referring to fig. 2 and 3, a through cavity 4 is formed at the bottom of the mounting column 1, the through cavity 4 is square, and the through cavity 4 penetrates through two opposite sides of the mounting column 1. The inner wall of the through cavity 4 is slidably provided with a narrow fixing presser foot 5, the narrow fixing presser foot 5 comprises a narrow connecting portion 6 and a narrow fixing portion 7, the narrow connecting portion 6 is square, the narrow connecting portion 6 is vertical, and the narrow fixing portion 7 is used for sewing thin and light fabrics such as chiffon, silk and the like. One side of the mounting column 1, which is far away from the narrow connecting part 6, is in threaded connection with an adjusting screw rod 8, and the adjusting screw rod 8 is arranged relative to the width direction of the through cavity 4. The gear 9 is rotatably installed in the installation column 1, the worm wheel 101 is coaxially installed on the gear 9, the worm sleeve 10 is fixedly sleeved on the adjusting screw 8, the worm sleeve 10 is meshed with the gear 9, the rack 11 is installed on one side of the narrow connecting portion 6, the rack 11 is arranged relative to the length direction of the narrow connecting portion 6, and the rack 11 is meshed with the gear 9. When the adjusting screw rod 8 is rotated, the adjusting screw rod 8 rotates and drives the worm sleeve 10 to rotate, the worm sleeve 10 rotates and drives the worm wheel 101 to rotate, the worm wheel 101 rotates and drives the gear 9 to rotate, and the gear 9 rotates and drives the rack 11 to rotate, so that the narrow connecting part 6 slides relative to the length direction of the rack 11. In addition, in order to improve the smoothness of the rotary adjusting screw 8, thereby achieving the purpose of saving the force, the rotary disk 12 is installed on the side of the adjusting screw 8 away from the mounting post 1.

Referring to fig. 4 and 5, the mounting column 1 is slidably mounted with a mounting block 13 on a side facing away from the narrow connecting portion 6, and the mounting block 13 is provided in a square shape. With reference to fig. 2, a compression spring 14 is installed between the installation block 13 and the through cavity 4, one end of the compression spring 14 is fixedly installed on the inner wall of the installation block 13 facing the opening of the through cavity 4, and the other end of the compression spring 14 is fixedly installed on the inner wall of the through cavity 4 facing the opening. When the presser foot bar makes descending motion to sew the fabric, until the wide fixing part 17 is abutted against the fabric, the compression spring 14 is compressed by the abutting force, so that vibration and stitch impact generated during sewing are reduced, and normal operation of the fabric and the sewing machine is protected. When the presser bar moves up and away from the fabric, and provides slippage time for the fabric, the compression spring 14 is not contacted with the supporting force to release elastic energy, and at the moment, the compression spring 14 provides proper pressure to enable the wide fixing part to be in close contact with the sewn fabric.

Referring to fig. 5, a wide fixing presser foot 15 is detachably connected to the mounting block 13, the wide fixing presser foot 15 includes a wide connecting portion 16 and a wide fixing portion 17, the wide connecting portion 16 is square and vertically arranged, the width of the wide fixing portion 17 is greater than that of the narrow fixing portion 7, and the wide side pressing presser foot of the wide fixing portion 17 is used for fixing and sewing thicker fabric or multi-layer fabric. The wide connecting portion 16 is provided with a plug-in block 18 on a side close to the mounting block 13, and the plug-in block 18 is arranged in a square shape. The bottom of the mounting block 13 is provided with a plugging groove 19 for plugging and matching the plugging block 18, and the plugging groove 19 is in a T-shaped arrangement. Four first fixing holes 20 are formed in one side of the mounting block 13 facing the wide connecting portion 16, four second fixing holes 21 are formed in two opposite sides of the plugging block 18, and the second fixing holes 21 are communicated with the plugging grooves 19. When the plug-in block 18 is plugged into the plug-in groove 19, the four first fixing holes 20 and the four second fixing holes 21 correspond to each other. The first fixing hole 20 is screwed with a fixing bolt 22, the fixing bolt 22 is screwed with the second fixing hole 21, and when the first fixing hole 20 is opposite to the second fixing hole 21, the fixing bolt 22 is screwed with the first fixing hole 20 and the second fixing hole 21, so that the wide connecting part 16 and the mounting block 13 are fixedly connected.

Referring to fig. 4 and 5, a hooking portion 23 is installed on a side of the wide fixing portion 17, which is close to the narrow fixing portion 7, the hooking portion 23 is used for hooking and matching with the fabric, and one end of the hooking portion 23, which is used for hooking the fabric, is arc-shaped, so that the fabric is prevented from being hooked by the hooking portion 23 to be damaged.

The implementation principle of the application is as follows: the plug-in blocks 18 on the wide connecting parts 16 are in plug-in fit with the plug-in grooves 19 on the mounting blocks 13, at the moment, four first fixing holes 20 correspond to four second fixing holes 21, and the fixing bolts 22 are respectively connected with the first fixing holes 20 and the second fixing holes 21 in a threaded mode, so that the plug-in blocks 18 are fixedly connected with the mounting blocks 13, and the wide connecting parts 16 are fixedly connected with the mounting blocks 13. The rotating disc 12 is rotated, the adjusting screw rod 8 rotates simultaneously, the worm sleeve 10 is driven to rotate simultaneously, the worm sleeve 10 rotates and simultaneously drives the worm wheel 101 to rotate, the worm wheel 101 rotates and simultaneously drives the gear 9 to rotate, and the gear 9 rotates and simultaneously drives the rack 11 to slide relative to the height direction of the mounting column 1 until the narrow fixing part 7 and the wide fixing part 17 are matched in the same height. Then the mounting column 1 is mounted on the presser foot bar through the first mounting groove 2 and the second mounting groove 3, the fabric is hooked on the hooking part 23, when the presser foot bar moves up and down, the compression spring 14 is pressed to be in a compressed state, when the compression spring 14 is not pressed by the abutting force, elastic potential energy is released, and the mounting block 13 is driven to slide towards the opening of the through cavity 4. Meanwhile, as the hooking part 23 is matched with the hooking of the fabric, the lateral movement condition of the fabric is reduced, and the open line and the hidden seam can be positioned on the same straight line.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. Special presser foot of flatcar shirt collar line ball, including being used for setting up in the erection column (1) of presser foot pole, its characterized in that: the utility model discloses a fabric lifting device, including installation post (1), logical chamber (4) have been seted up to the bottom of installation post (1), it is provided with narrow fixed presser foot (5) to lead to intracavity (4) to slide, be provided with wide fixed presser foot (15) in leading to chamber (4), wide fixed presser foot (15) including set up in wide connecting portion (16) of leading to chamber (4) and be used for fixed surface fabric wide fixed part (17), be provided with on wide fixed part (17) and hold portion (23) with collude, hold portion (23) and be used for colluding and hold the surface fabric, be provided with on installation post (1) and be used for the drive narrow fixed presser foot (5) are along the lift drive assembly of vertical direction lift.

2. The special presser foot for pressing lines of the collar of the flat car shirt according to claim 1, wherein: the lifting drive assembly comprises an adjusting screw rod (8) in the mounting column (1), a worm sleeve (10) arranged at one end of the adjusting screw rod (8), a gear (9) arranged in the mounting column (1) in a rotating mode, a worm wheel (101) coaxially arranged in the gear (9) and a rack (11) arranged on the narrow fixed presser foot (5), wherein two ends of the adjusting screw rod (8) respectively correspond to one side, deviating from the through cavity (4), of the mounting column (1) and the inner wall, close to the narrow fixed presser foot (5), of the through cavity (4), the worm sleeve (10) is meshed with the gear (9), and the rack (11) is meshed with the worm wheel (101).

3. The special presser foot for pressing lines of the collar of the flat car shirt according to claim 2, wherein: the adjusting screw rod (8) extends to one side, away from the through cavity (4), of the mounting column (1) and is rotatably provided with a rotating disc (12).

4. The special presser foot for pressing lines of the collar of the flat car shirt according to claim 1, wherein: the inner wall of the through cavity (4) is provided with a mounting block (13), the mounting block (13) is provided with a mounting assembly, and the wide fixing presser foot (15) is detachably connected with the mounting block (13) through the mounting assembly.

5. The special presser foot for pressing lines of the collar of the flat car shirt according to claim 4, wherein: the installation component including set up in grafting groove (19) on installation piece (13), set up in grafting piece (18) on wide connecting portion (16), set up in a plurality of first fixed orifices (20) on installation piece (13), set up in a plurality of second fixed orifices (21) on wide connecting portion (16) and all threaded connection in fixed bolt (22) of first fixed orifices (20) with second fixed orifices (21), a plurality of first fixed orifices (20) with a plurality of second fixed orifices (21) are corresponding, grafting groove (19) and grafting piece (18) grafting cooperation.

6. The special presser foot for pressing lines of the collar of the flat car shirt according to claim 1, wherein: the hooking part (23) and the fabric are in arc-shaped arrangement.

7. The special presser foot for pressing lines of the collar of the flat car shirt according to claim 4, wherein: an elastic piece used for driving the installation block (13) to slide relative to the vertical direction of the installation column (1) is arranged between the through cavity (4) and the installation block (13), and the installation block (13) is in sliding fit with the inner wall of the through cavity (4) close to the installation column (1).

8. The special presser foot for pressing lines of the collar of the flat car shirt according to claim 7, wherein: the elastic piece is a compression spring (14), one end of the compression spring (14) is arranged on the inner wall of the through cavity (4) facing the opening of the compression spring, and the other end of the compression spring (14) is arranged on one side, close to the inner wall of the through cavity (4) facing the opening of the compression spring, of the mounting block (13).