CN213896265U

CN213896265U - Hemmer for sewing machine

Info

Publication number: CN213896265U
Application number: CN202022865187.5U
Authority: CN
Inventors: 吴超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-06
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a hemmer for sewing machine, which comprises a fixing plate and i, be equipped with left hemming spare and right hemming spare on the fixed plate relatively, one side of fixed plate still activity is equipped with the rope threading spare, the one end cooperation of left hemming spare and right hemming spare forms and is used for guiding the cloth to produce folding turn-up mouth, the one end of rope threading spare extends to in the turn-up mouth, left hemming spare slides and sets up on the fixed plate, and is used for the adjustment left hemming spare is to the distance of right hemming spare. The utility model discloses simple structure, left hemming spare can shift position on the fixed plate, satisfies the processing demand of the cloth of different widths.

Description

Hemmer for sewing machine

Technical Field

The invention belongs to the technical field of sewing machines, and particularly relates to a hemmer for a sewing machine.

Background

The application number is CN 201721891076.3's chinese patent, a hemmer for sewing machine is disclosed, wherein a hemmer for sewing machine is disclosed, including being used for the connecting seat that links to each other with sewing machine, install the hemming member on the connecting seat, be formed with on the hemming member and be used for guiding the cloth to produce folding turn-up mouth, be provided with the threading spare on the hemming member, the one end of threading spare is fixed in on the hemming member and is located the turn-up mouth, the other end orientation is kept away from one side slope of hemming member, and offer at the center of threading spare and be used for supplying to restraint the waist rope to pass the intraoral wire rope handling hole of back entering turn-up.

When the hemmer is used, the hemmer can only meet the requirement of processing cloth strips with specific width, cannot meet the requirement of sewing the cloth strips with different widths, and can meet the requirement of processing the cloth strips with different widths by preparing a plurality of hemers with different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the hemmer when using, can't satisfy the problem of the processing of different width cloths, the utility model provides a hemmer for sewing machine, which comprises a fixing plate and i, be equipped with left hemming spare and right hemming spare on the fixed plate relatively, one side of fixed plate still the activity is equipped with the rope threading spare, the one end cooperation of left side hemming spare and right hemming spare forms and is used for guiding the cloth to produce folding turn-up mouth, the one end of rope threading spare extends to in the turn-up mouth, left side hemming spare slides and sets up on the fixed plate, and be used for the adjustment left side hemming spare is to the distance of right hemming spare.

Preferably, a sliding groove is formed in the fixing plate, a locking screw is arranged in the sliding groove in a sliding mode, a threaded hole is formed in the left crimping piece, and the locking screw penetrates through the threaded hole to fix the left crimping piece in the sliding groove. The position of left hem spare can be adjusted, and the width of the cloth of processing as required seeks suitable position with left hem spare on the fixed plate to adjust the size of hem mouth, after selecting good suitable position, twist into the screw hole with locking screw, until unable screwing up, because locking screw's nut size is greater than the size of spout, can fix left hem spare in the spout of fixed plate.

Furthermore, the stringing piece comprises a main body part and a guide part, the guide part is fixed on the main body part, the guide part is arc-shaped, the guide part extends into the hemming opening, and a stringing hole for allowing the rope to penetrate through and then enter the guide part is formed in the main body part. The rope penetrates into the rope threading hole and reaches the hemming opening along the guiding part, and when the sewing machine works, the rope is wrapped by the cloth of the hemming opening, so that the rope is sewn in the cloth.

Preferably, the main body part of the rope threading piece is fixed on a first adjusting plate, the first adjusting plate is fixed on a second adjusting plate, the second adjusting plate is arranged on a third adjusting plate in a sliding mode, and the sliding direction of the second adjusting plate is perpendicular to that of the third adjusting plate. The adjusting plate II and the adjusting plate III can slide, so that the position of the adjusting plate I is adjusted, the position of the rope threading piece is finally adjusted, the position of the left crimping piece can be adjusted, the requirements of cloth strips with different widths are met, the size of the crimping opening can be correspondingly changed, and therefore the position of the rope threading piece also needs to be adjusted to meet the cloth strips with different widths.

Furthermore, a guide groove is formed in the second adjusting plate, a guide groove is formed in the third adjusting plate, and a bolt sequentially penetrates through the guide groove, the guide groove and a nut to be matched with the guide groove to lock the second adjusting plate and the third adjusting plate. After the position adjustment of the second adjusting plate and the third adjusting plate is completed, the bolt penetrates through the guide groove and is finally screwed with the nut, and the sizes of the nut and the nut of the bolt are larger than those of the guide groove and the guide groove, so that the second adjusting plate and the third adjusting plate can be locked through the cooperation of the bolt and the nut.

Preferably, the edge binding device further comprises a binding device arranged on the second adjusting plate, the binding device comprises a connecting plate fixed on the second adjusting plate and a U-shaped plate fixed on the connecting plate, the connecting plate extends into the U-shaped plate, and the U-shaped plate is aligned with the hemming opening. The cloth comes out from the hemming opening and enters the U-shaped plate, and the cloth has a binding opening effect under the action of the U-shaped plate due to the wide width of the cloth, so that the cloth can be better wrapped.

Furthermore, a cloth placing frame used for guiding the trend of the cloth strips and placing the cloth strips is further arranged on the fixing plate, and a plurality of U-shaped feet used for supporting the cloth strips are formed on the cloth placing frame through bending. When the cloth rack is used, the cloth strips sequentially penetrate through the U-shaped pins on the cloth rack, so that the two adjacent U-shaped pins are respectively positioned on two sides of the cloth strips, and the U-shaped pins can support the cloth strips. And finally, one end of the U-shaped foot is introduced into the left hemming part and the right hemming part, so that the cloth strip is not easy to scrape the left hemming part and the right hemming part, and the damage to the cloth strip is reduced.

Preferably, cloth penetrating cavities are formed in the left hemming part and the right hemming part, and the positions of feed inlets of the cloth penetrating cavities correspond to the positions of the cloth placing frames. When the cloth rack is used, the cloth strips sequentially penetrate through the U-shaped pins on the cloth rack, so that the two adjacent U-shaped pins are respectively positioned on two sides of the cloth strips, and the U-shaped pins can support the cloth strips. And finally, one end of the U-shaped foot is introduced into the cloth penetrating cavity, so that the cloth strips are not easy to scrape against the cloth penetrating cavity, and the damage to the cloth strips is reduced.

Furthermore, a bending part for preventing the cloth strips from being scratched is arranged on a feed inlet of the cloth penetrating cavity, and the bending part is bent towards a direction far away from the cloth penetrating cavity. The hemmer prevents the cloth strip from being scraped with the left hemmed part and the right hemmed part when the cloth strip enters the cloth penetrating cavity, so that the cloth strip is prevented from being damaged.

Has the advantages that: 1. the utility model has simple structure, the left hemmer can move on the fixed plate, and the processing requirements of cloth strips with different widths are met;

2. the utility model discloses be equipped with the portion of bending on left hem spare and right hem spare, prevented the cloth scratch.

3. The utility model discloses be equipped with on the fixed plate and put the cloth holder, realize the supporting role to the cloth, make the cloth not take place the scraping with left hemmed piece and right hemmed piece to the damage that produces the cloth has been reduced.

Drawings

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

FIG. 2 is an assembly diagram of a second adjusting plate and a third adjusting plate of the present invention;

FIG. 3 is a schematic structural view of the left and right hemmed members of the present invention;

in the figure: 1. a left hemmer; 2. a stringing piece; 3. a cloth placing frame; 4. adjusting the first plate; 5. a second adjusting plate; 6. a third adjusting plate; 7. a bending part; 8. locking the screw; 9. a chute; 10. a hemming opening; 11. a guide groove; 12. a guide groove; 13. a bolt; 14. a stringing hole; 15. a guide section; 16. a main body portion; 17. a cloth penetrating cavity; 18. a fixing plate; 19. a threaded hole; 20. a right hemmed piece; 21. a U-shaped leg; 22. a connecting plate; 23. a U-shaped plate.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

Example 1

The utility model provides a hemmer for sewing machine, includes fixed plate 18, be equipped with left hemming spare 1 and right hemming spare 20 on the fixed plate 18 relatively, one side of fixed plate 18 still activity is equipped with rope threading spare 2, the one end cooperation of left hemming spare 1 and right hemming spare 20 forms and is used for guiding the cloth to produce folding hem mouth 10, the one end of rope threading spare 2 extends to in the hem mouth 10, left hemming spare 1 slides and sets up on the fixed plate 18, and is used for adjusting left hemming spare 1 is to the distance of right hemming spare 20.

The fixing plate 18 is provided with a sliding groove 9, a locking screw 8 slides in the sliding groove 9, the left hemming member 1 is provided with a threaded hole 19, and the locking screw 8 penetrates through the threaded hole 19 to fix the left hemming member 1 in the sliding groove 9. The position of left hemming spare 1 can be adjusted, and the width of the cloth of processing as required seeks suitable position with left hemming spare 1 on fixed plate 18 to adjust the size of hem mouth 10, after selecting suitable position, twist into screw hole 19 with locking screw 8, until unable screwing up, because locking screw 8's nut size is greater than the size of spout 9, can fix left hemming spare 1 in the spout 9 of fixed plate 18.

The rope threading part 2 comprises a main body part 16 and a guide part 15, the guide part 15 is fixed on the main body part 16, the guide part 15 is arc-shaped, the guide part 15 extends into the hemming opening 10, and a rope threading hole 14 for allowing a rope to pass through and then enter the guide part 15 is formed in the main body part 16. After the rope is passed through the rope passing hole 14, it reaches the hemming opening 10 along the guide portion 15, and when the sewing machine is operated, the rope is wrapped by the cloth of the hemming opening 10, so that the rope is sewn in the cloth.

The main body part 16 of the rope penetrating piece 2 is fixed on a first adjusting plate 4, the first adjusting plate 4 is fixed on a second adjusting plate 5, the second adjusting plate 5 is arranged on a third adjusting plate 6 in a sliding mode, and the sliding directions of the second adjusting plate 5 and the third adjusting plate 6 are perpendicular. Adjusting plate two 5 and adjusting plate three 6 can slide to the position of adjusting plate one 4 finally realizes adjusting the position of threading spare 2, because the position of left hem spare 1 can be adjusted, satisfies the requirement of different cloth width, thereby corresponding change also can take place for the size of hem mouth 10, consequently, the position of threading spare 2 also need adjust the cloth that satisfies different widths.

The adjusting plate II 5 is provided with a guide groove 11, the adjusting plate III 6 is provided with a guide groove 12, and a bolt 13 sequentially penetrates through the guide groove 11, the guide groove 12 and a nut to be matched with each other to lock the adjusting plate II 5 and the adjusting plate III 6. After the position adjustment of the second adjusting plate 5 and the third adjusting plate 6 is completed, the bolt 13 penetrates through the guide groove 11 and the guide groove 12 and is finally screwed with the nut, and the size of the nut and the nut of the bolt 13 are larger than that of the guide groove 11 and the guide groove 12, so that the second adjusting plate 5 and the third adjusting plate 6 can be locked by the cooperation of the nut and the bolt 13.

The edge binding device is characterized by further comprising a binding device arranged on the second adjusting plate 5, the binding device comprises a connecting plate 22 fixed on the second adjusting plate 5 and a U-shaped plate 23 fixed on the connecting plate 22, the connecting plate 22 extends into the U-shaped plate 23, and the U-shaped plate 23 is aligned to the hemming opening 10. The cloth comes out from the hemming opening 10 and enters the U-shaped plate 23, and the cloth has a binding opening effect under the action of the U-shaped plate 23 due to the wide width of the cloth, so that the cloth can be better wrapped.

The fixing plate 18 is further provided with a cloth placing frame 3 for guiding the trend of the cloth strips and placing the cloth strips, and the cloth placing frame 3 is bent to form a plurality of U-shaped legs 21 for supporting the cloth strips. When the cloth rack is used, firstly, the cloth strips sequentially pass through the U-shaped feet 21 on the cloth rack 3, so that the two adjacent U-shaped feet 21 are respectively positioned at two sides of the cloth strips, and the U-shaped feet 21 can support the cloth strips. And finally, one end of the U-shaped foot 21 is introduced into the left hemming piece 1 and the right hemming piece 20, so that the cloth strip is not easy to scrape the left hemming piece 1 and the right hemming piece 20, and the damage to the cloth strip is reduced.

And cloth penetrating cavities 17 are formed in the left hemming part 1 and the right hemming part 20, and the positions of feed inlets of the cloth penetrating cavities 17 correspond to the positions of the cloth placing frames 3. When the cloth rack is used, firstly, the cloth strips sequentially pass through the U-shaped feet 21 on the cloth rack 3, so that the two adjacent U-shaped feet 21 are respectively positioned at two sides of the cloth strips, and the U-shaped feet 21 can support the cloth strips. Finally, one end of the U-shaped foot 21 is led into the cloth penetrating cavity 17, so that the cloth strips are not easy to scrape against the cloth penetrating cavity 17, and the damage to the cloth strips is reduced.

The feed inlet of the cloth penetrating cavity 17 is provided with a bending part 7 for preventing the cloth strips from being scratched, and the bending part 7 is bent towards the direction far away from the cloth penetrating cavity 17. The hemmer prevents the cloth strip from being scratched by the left hemmed part 1 and the right hemmed part 20 when entering the cloth-passing cavity 17, and the cloth strip is damaged.

The working principle is as follows:

according to the width of the cloth that needs processing, look for suitable position with left hemming spare 1 on fixed plate 18 to the size of adjustment hem mouth 10, after selecting suitable position, twist into screw hole 19 with locking screw 8, until unable screwing up, because locking screw 8's nut size is greater than the size of spout 9, can fix left hemming spare 1 in spout 9 of fixed plate 18. Then the positions of the second adjusting plate 5 and the third adjusting plate 6 are adjusted, the position of the rope penetrating piece 2 is finally adjusted, the guide portion 15 of the rope penetrating piece 2 is aligned to the hemming opening 10, after the position adjustment of the second adjusting plate 5 and the third adjusting plate 6 is completed, the bolt 13 penetrates through the guide groove 11 and the guide groove 12 and is finally screwed with the nut, the sizes of the nut and the nut of the bolt 13 are larger than the sizes of the guide groove 11 and the guide groove 12, and therefore the second adjusting plate 5 and the third adjusting plate 6 can be locked through the nut matching of the bolt 13.

The cloth strip sequentially passes through the U-shaped feet 21 on the cloth placing frame 3, so that two adjacent U-shaped feet 21 are respectively positioned at two sides of the cloth strip, one end of the U-shaped foot 21 is finally introduced into the cloth penetrating cavity 17, the cloth strip enters the cloth penetrating cavity 17 and comes out from the hemming opening 10, a rope in the rope penetrating piece 2 is wrapped by the cloth strip and then enters the U-shaped plate 23 of the tying device, the two ends of the cloth strip are respectively positioned at the upper end and the lower end of the connecting plate 22 to shrink the cloth strip, and then sewing is performed.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a hemmer for sewing machine which characterized in that: including fixed plate (18), be equipped with left hemming spare (1) and right hemming spare (20) on fixed plate (18) relatively, one side of fixed plate (18) still activity is equipped with rope threading spare (2), the one end cooperation formation of left hemming spare (1) and right hemming spare (20) is used for guiding the cloth to produce folding hemming mouth (10), the one end of rope threading spare (2) extends to in hemming mouth (10), left hemming spare (1) slides and sets up on fixed plate (18), and be used for the adjustment left hemming spare (1) is to the distance of right hemming spare (20).

2. The hemmer for a sewing machine according to claim 1, characterized in that: the fixing plate (18) is provided with a sliding groove (9), a locking screw (8) is arranged in the sliding groove (9) in a sliding mode, the left hemming piece (1) is provided with a threaded hole (19), and the locking screw (8) penetrates through the threaded hole (19) to fix the left hemming piece (1) in the sliding groove (9).

3. The hemmer for a sewing machine according to claim 1, characterized in that: the rope penetrating piece (2) comprises a main body portion (16) and a guide portion (15), the guide portion (15) is fixed to the main body portion (16), the guide portion (15) is arc-shaped, the guide portion (15) extends into the hemming opening (10), and a rope penetrating hole (14) for allowing a rope to penetrate into the guide portion (15) is formed in the main body portion (16).

4. A hemmer for a sewing machine according to claim 3, characterized in that: the main body part (16) of the rope penetrating piece (2) is fixed on the first adjusting plate (4), the first adjusting plate (4) is fixed on the second adjusting plate (5), the second adjusting plate (5) is arranged on the third adjusting plate (6) in a sliding mode, and the sliding directions of the second adjusting plate (5) and the third adjusting plate (6) are perpendicular.

5. The hemmer for a sewing machine according to claim 4, wherein: a guide groove (11) is formed in the second adjusting plate (5), a guide groove (12) is formed in the third adjusting plate (6), and a bolt (13) penetrates through the guide groove (11), the guide groove (12) and a nut in sequence to be matched with the second adjusting plate (5) and the third adjusting plate (6) in a locking mode.

6. The hemmer for a sewing machine according to claim 4, wherein: still including setting up be in the mouth device is restrainted on adjusting plate two (5), it is including fixing to restraint the mouth device connecting plate (22) on adjusting plate two (5) with fix U-shaped board (23) on connecting plate (22), connecting plate (22) extend to in U-shaped board (23), U-shaped board (23) aim at hem mouth (10).

7. The hemmer for a sewing machine according to claim 1, characterized in that: the cloth placing frame (3) used for guiding the trend of the cloth strips and placing the cloth strips is further arranged on the fixing plate (18), and a plurality of U-shaped feet (21) used for supporting the cloth strips are formed on the cloth placing frame (3) through bending.

8. The hemmer for a sewing machine according to claim 7, wherein: and cloth penetrating cavities (17) are formed in the left hemming part (1) and the right hemming part (20), and the positions of feed inlets of the cloth penetrating cavities (17) correspond to the positions of the cloth placing frames (3).

9. The hemmer for a sewing machine according to claim 8, wherein: the cloth feeding device is characterized in that a bending part (7) used for preventing cloth strips from being scratched is arranged at a feed inlet of the cloth penetrating cavity (17), and the bending part (7) is bent towards a direction far away from the cloth penetrating cavity (17).