Flat seaming machine presser foot
By introducing elastic connectors and elastic pads into the presser foot of the coverstitch machine, the problem of uneven pressure on hot-fix rhinestone fabric during sewing is solved, enabling smooth passage of the fabric and protection of the rhinestones, thus improving product quality and service life.
Patent Information
- Application Number
- CN202520270019.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-19
AI Technical Summary
When handling rhinestone fabrics, traditional coverstitch presser feet struggle to apply uniform and stable pressure, leading to rhinestones falling off or shifting, fabric wear, and impacting product quality and lifespan.
Design a presser foot for a coverstitch sewing machine, including an elastic connector and an elastic pad. The movable part of the connector can move relative to the presser foot plate, and the elastic pad can buffer the pressure of the fabric used for hot-fix rhinestones to prevent rhinestones from getting stuck and worn.
It enables smooth passage of hot-fix rhinestone fabric, reduces skipped stitches and prevents rhinestones from falling off and wearing out, thus improving product quality and lifespan.
Smart Images

Figure CN223780507U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sewing technical field, concretely relates to a felling machine presser foot. BACKGROUND
[0002] In today's clothing and textile ornament processing field, special fabric, especially hot diamond fabric is loved by consumers because of its unique shining decoration effect, and is widely used in various fashion clothes, stage costumes, ornament manufacturing and other aspects.
[0003] The traditional felling machine presser foot is mainly designed for conventional textile fabric, for example, the patent CN202440640 U discloses a felling machine presser foot, although the size of the stop can be adjusted, and the presser foot can pass through by itself without the need of the operator to pull the belt when encountering cross intersection seam or unevenness in the operation process, but the presser foot exposes many problems when facing special fabric, for example, hot diamond fabric. Because the diamond decoration on the surface of the hot diamond fabric makes the thickness and texture uneven, it is difficult to apply uniform and stable pressure to the fabric during sewing, which easily causes the diamond decoration to fall off and shift, and seriously affects the product quality. At the same time, because the friction between the presser foot and the hot diamond fabric is large, this not only easily wears the fabric, affects the texture and service life of the fabric, but also may cause the fabric to deform, further affecting the overall quality of the product.
[0004] In view of the above, in view of the obvious defects of the existing felling machine presser foot, it is urgent to develop a felling machine presser foot for hot diamond fabric to solve the above problems. INVENTION CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a felling machine presser foot, which is used for sewing hot diamond fabric, and the hot diamond fabric can smoothly pass through without diamond sticking, thereby reducing quality problems such as needle skipping and line skipping, improving quality, and avoiding the risk of hot diamond falling off.
[0006] The technical scheme of the utility model is as follows:
[0007] A felling machine presser foot, comprising a connecting rod seat, a presser foot plate, a connecting piece and an elastic rubber pad arranged in sequence from top to bottom, the connecting rod seat is connected with the presser foot plate, the connecting piece has elasticity, the connecting piece comprises a main body, a fixed part and a movable part arranged at both ends of the main body respectively, the fixed part is fixed on the presser foot plate, the movable part is movable relative to the presser foot plate, the elastic rubber pad is fixed on the lower surface of the main body, and the hole arranged in the middle of the presser foot plate corresponds to the positions of the hole of the connecting piece and the hole of the elastic rubber pad.
[0008] Preferably, the movable part is a first folded edge, the movable part comprises a second folded edge bent downward and a groove formed between the first folded edge and the main body, the presser foot comprises a limiting rod connected with the rear end of the presser foot plate, the first folded edge is hung on the limiting rod, and the limiting rod abuts against the surface of the top of the groove.
[0009] Preferably, the presser foot plate further comprises a first boss arranged at the front end and a second boss and a third boss arranged at the rear end, the second folded edge is in a horizontal direction, and the second folded edge is fixed on the first boss.
[0010] Preferably, a limiting piece is further arranged vertically on the main body, and the top end of the limiting piece penetrates through the hole and extends out of the hole.
[0011] Preferably, the elastic rubber pad is a horsehide rubber pad, and the material is one of horsehide, rubber or latex.
[0012] Preferably, the presser foot further comprises a tape piece, the adhesive surface of the tape piece is attached to the lower surface of the elastic rubber pad, the tape piece is provided with a hole, and the position of the hole corresponds to the position of the hole in the elastic rubber pad.
[0013] Preferably, one end of the tape piece is attached to the first folded edge, and the other end of the tape piece is attached to the second folded edge.
[0014] Preferably, the material of the tape piece is one of Teflon tape, silica gel tape or PET high-temperature-resistant tape.
[0015] Preferably, the second boss is located on one side of the presser foot plate, the third boss is located on the other side of the presser foot plate, a first fixing plate is arranged on the outer side surface of the second boss, a second fixing plate is arranged on the outer side surface of the third boss, the limiting rod is connected between the first fixing plate and the second fixing plate, and the two ends of the limiting rod are fixed at the rear ends of the inner side surfaces of the first fixing plate and the second fixing plate respectively.
[0016] Compared with the prior art, the presser foot has the following advantages:
[0017] The presser foot provided by the utility model, by setting the connecting piece and the elastic rubber pad with elasticity successively under the presser foot plate, the movable part of the connecting piece can move relative to the presser foot plate, and the fixed part of the connecting piece is fixed with the presser foot plate, so that when the front surface of the rhinestone fabric is sewn, the rhinestone on the rhinestone fabric extrudes the elastic rubber pad and the connecting piece, the movable part can move up and down relative to the presser foot plate, so that the effect of buffering is achieved, that is, the rhinestone fabric can pass smoothly, the rhinestone is not clamped, the problem of needle and line skipping is reduced, the rhinestone is avoided from being crushed, the elastic rubber pad has elasticity. When pressure is applied, it can deform to buffer the pressure, and after the pressure disappears, it can quickly restore to the original state, the effect of buffering is enhanced, the rhinestone is further avoided from being crushed, when the front surface of the rhinestone fabric is sewn by using the presser foot, the fabric can pass smoothly, the quality problems such as needle and line skipping are reduced, the quality is improved, and the risk of the rhinestone falling off is also avoided. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0019] Fig. 1 It is a perspective view of the presser foot;
[0020] Fig. 2 It is a schematic view when the presser foot plate, the connecting piece and the elastic rubber pad are separated.
[0021] Drawing identification: 1, presser foot plate;11, hole;12, first boss;13, second boss;14, third boss;
[0022] 2, connecting rod base;21, clamp;22, connecting rod hole;
[0023] 3, connecting piece;31, main body;331, blocking piece 32, first folding edge;33, second folding edge;331, fixed hole;34, groove;
[0024] 4, elastic rubber pad;
[0025] 5, adhesive tape piece;
[0026] 6, limiting rod;
[0027] 7, first fixed plate;
[0028] 8, second fixed plate;
[0029] 9, first bolt;
[0030] 10, second bolt. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0032] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", "fourth", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0034] Embodiment 1
[0035] Referring to Figs. 1-2 , the present embodiment provides a presser foot of a flat seaming machine, which comprises a connecting rod seat 2, a presser foot plate 1, a connecting piece 3 and an elastic rubber pad 4 arranged in sequence from top to bottom, the connecting rod seat 2 is connected with the presser foot plate 1, wherein the connecting piece 3 has elasticity, the connecting piece 3 comprises a main body 31, a fixed part and a movable part arranged at both ends of the main body 31 respectively, the fixed part is fixed on the presser foot plate 1, the movable part is movable relative to the presser foot plate 1, the elastic rubber pad 4 is fixed on the lower surface of the main body 31, in the present embodiment, the elastic rubber pad 4 is pasted on the lower surface of the main body 31 by glue, the hole 11 arranged in the middle of the presser foot plate 1 corresponds to the positions of the hole of the main body 31 and the hole of the elastic rubber pad 4, so that the needle can pass through for sewing.
[0036] The presser foot provided by the embodiment is provided with an elastic connector 3 and an elastic rubber pad 4 arranged in sequence under the presser foot plate 1, wherein the movable part of the connector 3 is movable relative to the presser foot plate 1, and the fixed part of the connector 3 is fixed to the presser foot plate 1. When the front surface of the diamond-embroidered fabric is sewn, the diamonds on the diamond-embroidered fabric press the elastic rubber pad 4 and the connector 3, and the movable part of the connector 3 can move up and down relative to the presser foot plate 1, thereby playing a buffering role. The diamond-embroidered fabric can smoothly pass through the presser foot, the diamonds are not clamped, the problem of needle skipping and thread skipping is reduced, and the diamonds are not crushed. The elastic rubber pad 4 has elasticity. When subjected to pressure, it can deform to buffer the pressure, and quickly restore to the original state after the pressure disappears, thereby further enhancing the buffering effect and avoiding crushing the diamonds. When the presser foot is used to sew the front surface of the diamond-embroidered fabric, the fabric can smoothly pass through, the quality problems such as needle skipping and thread skipping are reduced, the quality is improved, and the risk of crushing the diamonds is avoided.
[0037] It should be noted that the presser foot provided by the embodiment is suitable for sewing 2.5mm diamond-embroidered fabric without accumulation.
[0038] Specifically, the movable part includes a first folded edge 32 bent downward and a groove 34 formed between the first folded edge 32 and the main body, the fixed part is a second folded edge 33, and the presser foot includes a limiting rod 6, wherein the limiting rod 6 is fixedly connected to the rear end of the presser foot plate 1, the first folded edge 32 is hung on the limiting rod 6, and the limiting rod 6 abuts against the surface at the top of the groove 34, so that when the main body 31 is pressed, the groove 34 can move up and down relative to the limiting rod 6, and the limiting rod 6 can play a limiting role.
[0039] Specifically, the presser foot plate 1 further includes a first boss 12 arranged at the front end, a second boss 13 and a third boss 14 arranged at the rear end, the second folded edge 33 is arranged in a horizontal direction, the second folded edge 33 is fixed to the first boss 12, the second folded edge 33 is provided with a fixing hole 331 matched with the first bolt 9, and the first bolt 9 passes through the fixing hole 331 and a first screw hole 121 arranged at the top of the first boss 2 in sequence, so as to fix the second folded edge 33 to the first boss 12. In the embodiment, there are two first screw holes 121 arranged at the top of the first boss 12 in a left-right direction.
[0040] Specifically, the limiting member 311 is vertically arranged on the main body 31 of the connector, the top end of the limiting member 311 passes through the hole 11 and extends 0.1cm out of the hole 11, so as to prevent the diamonds from being thrown upward when the diamond-embroidered fabric is sewn, and play a blocking and limiting role.
[0041] Specifically, the material of the elastic rubber pad 4 is one of cowhide, rubber or latex, and the cowhide rubber pad is preferred in the embodiment. The cowhide rubber pad has excellent elasticity and can further enhance the buffering effect.
[0042] Further, in order to avoid the elastic rubber pad 4 directly contacting and causing scratches on the hot-fixing fabric, the presser foot 1 further comprises a rubber band 5, the adhesive surface of the rubber band 5 is pasted on the lower surface of the elastic rubber pad 4, so that when the hot-fixing fabric enters the sewing process, the smooth back of the rubber band 5 is more conducive to the passing of the hot-fixing fabric, and the fabric friction can be reduced, wherein the material of the rubber band 5 is one of Teflon rubber band, silica rubber band or PET high-temperature-resistant rubber band, and the rubber band 5 in the embodiment is wear-resistant Teflon rubber band, which increases the service life of the rubber band 5. The rubber band 5 is also provided with a hole 51, and the position of the hole 51 corresponds to the position of the hole on the elastic rubber pad 4.
[0043] Specifically, the second boss 13 is located on one side of the rear end of the presser foot plate 1, and the third boss 14 is located on the other side of the rear end of the presser foot plate 1, the first fixed plate 7 is arranged on the outer side of the second boss 131, the second fixed plate 8 is arranged on the outer side of the third boss 14, and the limiting rod 6 is arranged between the first fixed plate 7 and the second fixed plate 8, and the two ends of the limiting rod 6 are fixed on the rear end of the inner side of the first fixed plate 7 and the inner side of the second fixed plate 8.
[0044] Specifically, one end 52 of the rubber band 5 is pasted on the first folded edge 32, and the other end 53 of the rubber band 5 is pasted on the second folded edge 33, so that the elastic rubber pad 4 is more firmly pasted on the main body 31.
[0045] Specifically, the first fixed plate 7 is fixed on the outer side of the second boss 13 by the second bolt 10, and the second fixed plate 8 is fixed on the outer side of the third boss 14 by the second bolt 10.
[0046] Specifically, the connecting rod seat 2 is composed of a base (not marked in the figure) and a clamp 21, the clamp 21 is fixed on the top of the base, the base is fixed between the two second bosses 13 and the second boss 14, and the connecting rod hole 22 is arranged on the clamp 21, so as to cooperate with the connecting rod (not shown) of the lockstitch machine, and facilitate the connection of the connecting rod seat 2 and the lockstitch machine.
[0047] It should be noted that the presser foot provided in the embodiment also needs to be used in cooperation with a needle plate (model 30115067), and a rubber band is pasted on the upper part of the needle plate hole of the needle plate to seal the needle plate hole, which can prevent the hot-fixing fabric from being stuck in the needle plate hole during sewing.
[0048] When working, the connecting rod hole 22 of the presser foot is sleeved and fixed on the connecting rod of the lockstitch machine, the needle plate is arranged below the presser foot, the hot-fixing fabric is folded first, and then the folded edge is placed between the presser foot and the needle plate (not shown), the lockstitch machine is started, and the sewing is started, the fabric can pass smoothly, and the hot-fixing fabric is not stuck, so as to reduce the quality problems such as skipping needle and skipping thread, improve the quality, and avoid the risk of hot-fixing fabric falling off.
[0049] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A presser foot for a flat seaming machine, characterized in that The presser foot comprises a connecting rod base (2), a presser foot plate (1), a connecting piece (3) and an elastic rubber pad (4) arranged from top to bottom, the connecting rod base (2) is connected with the presser foot plate (1), the connecting piece (3) is elastic, the connecting piece (3) comprises a main body (31), a fixed part and a movable part arranged at both ends of the main body (31) respectively, the fixed part is fixed on the presser foot plate (1), the movable part is movable relative to the presser foot plate (1), the elastic rubber pad (4) is fixed on the lower surface of the main body (31), and the hole (11) arranged in the middle of the presser foot plate (1) corresponds to the positions of the hole of the connecting piece (3) and the hole of the elastic rubber pad (4).
2. The presser foot for a flat seaming machine according to claim 1, characterized in that The movable part comprises a first bent edge (32) bent downward and a groove (34) formed between the first bent edge (32) and the main body (31), the fixed part is a second bent edge (33), the presser foot comprises a limiting rod (6), the limiting rod (6) is connected with the rear end of the presser foot plate (1), the first bent edge (32) is hung on the limiting rod (6), and the limiting rod (6) abuts against the surface at the top of the groove (34).
3. The presser foot for a flat seaming machine according to claim 2, characterized in that The presser foot plate (1) further comprises a first boss (12) arranged at the front end, a second boss (13) and a third boss (14) arranged at the rear end, the second bent edge (33) is in a horizontal direction, and the second bent edge (33) is fixed on the first boss (12).
4. The presser foot for a flat seaming machine according to claim 1, characterized in that The main body (31) is further vertically provided with a limiting piece (311), the top end of the limiting piece (311) penetrates through the hole (11) and extends out of the hole (11).
5. The presser foot for a flat seaming machine according to claim 1, wherein The material of the elastic rubber pad (4) is one of cowhide, rubber or latex.
6. The presser foot for a flat seaming machine according to claim 3, characterized in that The presser foot further comprises an adhesive tape piece (5), the adhesive surface of the adhesive tape piece (5) is attached to the lower surface of the elastic rubber pad (4), the adhesive tape piece (5) is provided with a hole (51), and the hole (51) corresponds to the position of the hole of the elastic rubber pad (4).
7. The presser foot for a flat seaming machine according to claim 6, characterized in that One end (52) of the adhesive tape piece (5) is attached to the first bent edge (32), and the other end (53) of the adhesive tape piece (5) is attached to the second bent edge (33).
8. The presser foot for a flat seaming machine according to claim 7, characterized in that The material of the adhesive tape piece (5) is one of Teflon adhesive tape, silica gel adhesive tape or PET high-temperature-resistant adhesive tape.
9. The presser foot for a flat seaming machine according to claim 3, characterized in that The second boss (13) is located on one side of the rear end of the presser foot plate (1), the third boss (14) is located on the other side of the rear end of the presser foot plate (1), the outer side surface of the second boss (13) is provided with a first fixing plate (7), the outer side surface of the third boss (14) is provided with a second fixing plate (8), the first fixing plate (7) and the second fixing plate (8) are connected with the limiting rod (6), and the two ends of the limiting rod (6) are fixed on the rear ends of the inner side surfaces of the first fixing plate (7) and the second fixing plate (8) respectively.
Citation Information
Patent Citations
Flat seaming machine presser foot
CN202440640U