CN217536333U

CN217536333U - Double-needle rubber band presser foot and sewing machine

Info

Publication number: CN217536333U
Application number: CN202221197520.2U
Authority: CN
Inventors: 文和平
Original assignee: Shanghai Nippon Zhimei Garment Manufacturing Co ltd
Current assignee: Shanghai Nippon Zhimei Garment Manufacturing Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-04
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a double needle rubber band presser foot and sewing machine, including presser foot, first support, presser bar and two regulation structures, first support interval sets up first rubber band passageway and second rubber band passageway, two regulation structures are two rubber band respectively and are led to the size of passageway, make double needle sewing machine once can get into two rubber bands and sew simultaneously, can adjust the elasticity degree to the same or different simultaneously to two rubber bands, can adapt to various dress designing's wrinkle requirement, the efficiency of rubber band sewing has been improved, the degree of consistency of rubber band wrinkle and the accuracy of wrinkle ratio have also been guaranteed simultaneously.

Description

Double-needle rubber band presser foot and sewing machine

Technical Field

The utility model relates to a sewing machine technical field especially relates to a double needle rubber band presser foot and sewing machine.

Background

The wrinkle extraction is a commonly used decoration method on the clothes, and the elastic band wrinkle extraction can realize the stretching and rebounding of the fabric wrinkle extraction part, so that the whole clothes has stronger compatibility on the human body. Therefore, a plurality of styles of waisting, collar tying, foot tying and cuff tying can use the technical method of rubber band wrinkle extraction. In order to make the wrinkle effect less thin, the number of the sewn wrinkle elastic strings is generally more than one.

Mainly rely on flatcar presser foot bicycle sewing rubber band among the correlation technique, this kind of mode can only sew a rubber band once, and need advance the position on the surface fabric and go out the sewing orbit of rubber band, if meet the condition that many rubber bands crumple, then need repeated position many times and repeat the sewing, waste time and energy.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses double needle rubber band presser foot and sewing machine can sew two rubber bands simultaneously, improves the sewing efficiency and the quality of rubber band.

In order to realize the above-mentioned purpose, on the one hand, the utility model discloses a double needle rubber band presser foot, include:

the pin pressing plate is provided with a first pin through hole and a second pin through hole, and the first pin through hole and the second pin through hole are arranged at intervals; the first support is connected to the foot pressing plate, a first rubber band channel and a second rubber band channel are arranged on the first support at intervals, the first rubber band channel and the second rubber band channel extend along the direction from the first support to the foot pressing plate, the first rubber band channel and the second rubber band channel respectively comprise an inlet and an outlet, the inlet is used for introducing rubber bands, and the outlet is used for outputting rubber bands; the foot pressing rod is connected to one end, away from the first support, of the foot pressing plate and extends upwards from the end of the foot pressing plate; and the two adjusting structures are connected to the first support and are respectively used for adjusting the sizes of the first rubber band channel and the second rubber band channel.

As an optional implementation manner, in an embodiment of the present invention, the foot pressing plate includes a foot pressing portion and a connecting portion, the first needle passing hole and the second needle passing hole are disposed in the foot pressing portion, one end of the connecting portion is connected to the foot pressing portion at an angle, and the other end of the connecting portion is connected to the first bracket.

As an optional implementation manner, in the embodiment of the present invention, the connecting portion is provided with two limiting channels, the two limiting channels all extend from one end of the connecting portion to the other end of the connecting portion, and the two limiting channels respectively communicate with the outlet of the first rubber band channel and the second rubber band channel.

As an optional implementation manner, in an embodiment of the present invention, the connecting portion includes a front surface and a back surface that are oppositely disposed, and the two limiting channels are disposed on the back surface; the front of connecting portion is equipped with the second support, connecting portion pass through the second support connect in presser foot portion and first support.

As an optional implementation way, in the embodiment of the utility model, the presser foot portion includes straight portion and perk portion, straight portion is equipped with first cross pinhole the pinhole is crossed to the second, perk portion connect in straight portion and relative straight portion perk sets up, connecting portion connect in deviating from of perk portion one side of straight portion.

As an optional implementation manner, in the embodiment of the present invention, the bottom surface of the foot pressing plate is provided with a guiding groove at an interval, two the guiding groove respectively with the first pinhole of crossing the pinhole the second crosses the pinhole intercommunication, two the guiding groove is used for guiding the rubber band from the outlet output respectively.

As an optional implementation manner, in an embodiment of the present invention, a distance between centers of the first pinhole and the second pinhole is 0.3cm to 5cm.

As an optional implementation manner, in an embodiment of the present invention, the first bracket includes a main body portion and a moving portion, the moving portion is connected to the main body portion, and the first rubber band channel and the second rubber band channel are formed between the moving portion and the main body portion together; the two adjusting structures are connected to the moving part, and the moving part is used for moving relative to the main body part under the action of the adjusting structures so as to adjust the sizes of the first rubber band channel and the second rubber band channel.

As an optional implementation manner, in an embodiment of the present invention, the adjusting structure includes a pushing component and an elastic component connected to the pushing component, the pushing component is connected to the moving portion, the pushing component is used for pushing the moving portion to move relative to the main body portion so as to adjust the size of the first elastic channel or the second elastic channel, and the elastic component is used for providing an acting force for the moving portion to maintain a state of the moving portion relative to the main body portion.

In a second aspect, the utility model also discloses a sewing machine, including sewing machine body and the duplex rubber band presser foot as above the first aspect, the duplex rubber band presser foot set up in on the sewing machine body.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the embodiment of the utility model provides a pair of two-needle rubber band sewing presser foot and sewing machine, through setting up two regulation structures, two rubber band passageways, every is adjusted the structure and is corresponded and connect a rubber band passageway, make two-needle sewing machine once can get into two rubber bands and sew simultaneously, two pressure regulation structures can adjust to the elasticity degree the same or different simultaneously to two rubber bands, can adapt to various dress designing's the wrinkle requirement, the efficiency of rubber band sewing has been improved, the degree of consistency of rubber band wrinkle and the accuracy of wrinkle ratio have also been guaranteed simultaneously.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a double-needle rubber band presser foot provided in the first embodiment of the present invention;

fig. 2 is a bottom view of the double-needle rubber band presser foot provided by the first embodiment of the present invention;

fig. 3 is a schematic structural view of a first support of the double-needle elastic presser foot according to the first embodiment of the present invention;

fig. 4 is a schematic view of the installation of the sewing machine and the double-needle elastic presser foot provided by the embodiment of the utility model II.

Icon: 1. a double needle rubber band presser foot; 10. a first bracket; 100. a main body portion; 101. a first elastic channel; 110. rubber bands; 111. an inlet; 112 outlet port; 102. a second elastic channel; 120. a moving part; 130. an adjustment structure; 131. a pusher member; 132. an elastic member; 20. pressing the foot plate; 210. a presser foot section; 211. a straight portion; 211a, a first pinhole; 211b, a second pinhole; 212. a raised portion; 213. a guide groove; 220. a connecting portion; 220a, a front side; 220b, a back side; 211. a second bracket; 222. a limiting channel; 30. a presser bar; 2. a sewing machine; 200. a sewing machine body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The technical solution of the present invention will be further described with reference to the following embodiments and the accompanying drawings.

Example one

Referring to fig. 1 to 3, the embodiment of the present application discloses a two-needle elastic presser foot applied to a two-needle sewing machine to implement elastic sewing. Specifically, this double needle elastic presser foot includes: a footpad 20, a first bracket 10, a footpad rod 30, and two adjustment structures 130. The foot pressing plate 20 is provided with a first pinhole 211a and a second pinhole 211b, and the first pinhole 211a and the second pinhole 211b are arranged at intervals. The first needle passing hole 211a and the second needle passing hole 211b are used to pass a sewing needle of a two-needle sewing machine. First support 10 is connected in presser foot board 20, and first support 10 is equipped with first rubber string passageway 101 and the second rubber string passageway 102 that the interval set up, and first rubber string passageway 101, second rubber string passageway 102 extend to the direction of presser foot board 20 along first support 10, and first rubber string passageway 101, second rubber string passageway 102 all include entry 111 and export 112, and entry 111 is used for letting in rubber string 110, and export 112 is used for exporting rubber string 110. The foot pressing rod 30 is connected to an end of the foot pressing plate 20 away from the first bracket 10, and extends upward from an end of the foot pressing plate 20. The presser foot bar 30 is used to connect the presser foot plate 20 to the sewing machine. Two regulation structures 130 are all connected in first support 10, and two regulation structures 130 are used for adjusting the size of first rubber band passageway 101, second rubber band passageway 102 respectively.

Like this, get into the back from first rubber band passageway 101, second rubber band passageway 102's entry 111 respectively as two rubber bands, two sizes that adjust first rubber band passageway 101 and second rubber band passageway 102 can be adjusted respectively to two regulation structures 130 to adjust the elasticity degree of two rubber bands respectively. Two rubber bands 110 are output from the outlet 112 and enter the bottom of the foot pressing plate 20 to be sewn with the fabric. It can be seen that the double-needle rubber band presser foot 1 of this application embodiment on the one hand, can once let in two rubber bands 110 to adjust its degree of taking out wrinkles, guaranteed the degree of consistency of rubber band wrinkle and the accuracy of the magnification of taking out wrinkles. On the other hand, the two rubber band channels can also play a good guiding role in the sewing direction of the rubber bands, so that the step that operators need to point out the sewing track of the rubber bands before lifting the fabric is avoided, the two rubber bands can be sewn once, and the efficiency of rubber band sticking is greatly improved.

In some embodiments, when the presser bar is used to attach to a two-needle sewing machine, the presser bar 30 may be provided with a fixing hole therethrough, which attaches the two-needle elastic presser foot 1 to the two-needle sewing machine by means of a screw or the like.

Optionally, this presser bar and presser foot be connected and can adopt mobilizable formula to be connected, for example can set up a pivot and pass through presser foot 20, can set up the spring between the bottom of presser bar 30 and the presser foot 20 for presser foot 20 can do the swing of small range around the pivot pole, guarantees that presser foot 20 can smoothly pass through the surface fabric of different thickness, thereby improves the sewing adaptability of this double needle rubber band presser foot to different thickness surface fabrics.

In some embodiments, the distance between the centers of the first pinhole 211a and the second pinhole 211b is 0.3cm to 5cm, for example, 0.5cm, 0.8cm, 1cm, 1.2cm, 2cm, 3cm, 4cm, etc. The distance between the two needle holes is determined by the distance between the two sewing needles of the sewing machine. The double-needle rubber band presser foot 1 with different needle pitches is manufactured and selected, and the sewing requirement of the rubber band wrinkle removal with different pitches can be met.

In some embodiments, the footpad 20 may include a footpad portion 210 and a connecting portion 220, the first and second

needle passing holes

211a and 211b are provided in the footpad portion 210, one end of the connecting portion 220 is connected to the footpad portion 210 at an angle, and the other end of the connecting portion 220 is connected to the first bracket 10. In the sewing process, since the presser foot part 210 is sewn against a cloth material, the working angle thereof is generally parallel to the horizontal plane, and the elastic material is usually formed with a certain angle with the presser foot plate 20 when entering the presser foot from the feeding direction, by providing the connecting part 220 and connecting the connecting part and the presser foot part 210 at an angle, the presser foot part 210 and the first support 10 can be connected, and the elastic 110 is guided to enter the presser foot part 210 at a proper angle.

Optionally, the press foot portion 210 may be a plate-shaped structure, the press foot portion 210 includes a flat portion 211 and a tilted portion 212, the flat portion 211 is provided with a first needle hole 211a and a second needle hole 211b, the tilted portion 212 is connected to the flat portion 211 and tilted relative to the flat portion 211, and the connecting portion 220 is connected to a side of the tilted portion 212 away from the flat portion 211. As can be seen from the foregoing embodiment, since the connection portion 220 is connected to the presser foot portion 210 at a certain angle, the rubber string can smoothly enter the bottom of the presser foot portion 210, and therefore, the presser foot portion 210 can smoothly transit the rubber string from the sewing direction by providing the raised portion 212 to connect with the connection portion 220. Illustratively, the angle formed by the tilted portion 212 and the straight portion 211 may be an obtuse angle, which can better guide the elastic string to enter the bottom of the straight portion 211 at a proper angle for sewing.

In some embodiments, the connection portion 220 may be a plate-shaped structure or a block-shaped structure, in order to effectively guide the rubber string 110 coming out from the outlet 2 and thus guide the rubber string 110 to enter the presser foot portion 210, the connection portion 220 is provided with two limiting channels 222, the two limiting channels 222 both extend from one end of the connection portion 220 to the other end of the connection portion 220, and the two limiting channels 222 are respectively communicated with the outlets 112 of the first rubber string channel 101 and the second rubber string channel 102. Through setting up spacing passageway 222, can control the interval between two rubber bands 110 from the export 112 output of first rubber band passageway 101, second rubber band passageway 102 better to guide two rubber bands to get into presser foot portion 210 and sew, avoided two rubber bands 110 to appear the condition of mutual intertwine after export 112 output, make two rubber bands all keep independently at whole sewing in-process, mutual noninterference improves sewing process's efficiency and smoothness nature.

In some embodiments, the connecting portion 220 includes a front surface 220a and a back surface 220b disposed opposite to each other, and two limiting channels 222 are disposed on the back surface 220b; in order to provide the connecting portion 220 with better strength, the front surface 220a of the connecting portion 220 is provided with a second bracket 221, and the connecting portion 220 is connected to the presser foot portion 210 and the first bracket 10 through the second bracket 221. That is, the first bracket 10 is connected to the connection part 220 through the second bracket 221. On the one hand, since the first bracket 10 tends to have a large weight and is fixed only by being attached to one end of the footpad 20, there is a high demand for the strength of the attachment position. Through setting up second support 221, can play good supporting role to first support 10, improve the stability of double needle rubber band presser foot 1 in the use. On the other hand, the limiting channel 222 and the second support 221 are arranged on two opposite sides of the connecting portion 220 at the same time, so that space can be saved, and the size of the double-needle elastic presser foot 1 is reduced.

Alternatively, the second bracket 221 is connected to the presser foot portion 210 by welding, and may be welded to the raised portion 212 as an example. The end of the second bracket 221 away from the press leg portion 210 is also connected to the first bracket 10 by welding. Connect through the welded mode, not only can guarantee the intensity and the stability of connecting, also reduced the use of connecting piece such as screw simultaneously for the structure of duplex rubber band presser foot 1 is more succinct.

In some embodiments, the guide grooves 213 are spaced apart from each other on the bottom surface of the foot pressing plate 20, the guide grooves 213 are respectively communicated with the first needle passing hole 211a and the second needle passing hole 211b, and the guide grooves 213 are respectively used for guiding the rubber band 110 output from the outlet 112. Specifically, in practical arrangement, the guide groove may be provided on the bottom surface of the presser foot part, so that the guide groove may communicate with the limit passage on the connecting part to guide the rubber string output from the limit passage. Known from the foregoing embodiment, double needle rubber band presser foot 1 during operation, the top surface of presser foot portion is towards the sewing needle of sewing machine usually, and the bottom surface of presser foot portion then can be used to the laminating and treats the surface fabric of sewing, bottom surface at presser foot portion 210 sets up guiding groove 213, generally, guiding groove 213 extends along the direction of motion when the rubber band 110 is sewed, guiding groove 213 can hold rubber band 110, make rubber band 110 keep at operating position at the sewing in-process, avoid the rubber band to slide to the both sides of sewing direction of motion, improve rubber band sewing accuracy and quality.

In addition, the guide grooves 213 are provided with two guide grooves, which are respectively communicated with the first needle passing hole 211a and the second needle passing hole 211b, so that the two rubber strings 110 can be respectively guided, the independence of the two rubber strings 110 in the sewing process is kept, and the sewing efficiency is improved.

Optionally, the width of the channel of the guide groove 213 and the limit channel 222 may be set to be the same as the width of the rubber band 110 or slightly larger than the width of the rubber band, for example, when the sewing width is 0.3cm of the rubber band 110, the guide groove 213 and the limit channel 222 with the width of 0.3cm may be selected, so as to ensure that the rubber band 110 can be introduced, and meanwhile, avoid the rubber band 110 to have too much activity space in the width direction, and achieve the guide and limit effects.

In some embodiments, the first bracket 10 includes a main body 100 and a moving part 120, the moving part 120 is connected to the main body 100, and the moving part 120 and the main body 100 together form a first rubber channel 101 and a second rubber channel 102. Alternatively, the moving part 120 may be disposed inside the main body part 100, and the main body part 100 encloses a passage space, a part of which is formed by the moving part 120. For example, the main body 100 may be a prism frame, the inner wall of the main body 100 encloses a channel space, the moving part 120 is disposed on one inner wall surface of the main body 100, and the moving part 120 and the other inner wall surfaces of the main body 100 together form the first rubber channel 101 and the second rubber channel 102. The moving part 120 can be a metal sheet, one end of the moving part is fixedly connected to the main body part, the other end of the moving part is movable relative to the main body part, so that the moving part can move relative to the main body part through the other end of the moving part to adjust the size of the first rubber string channel 101 and the size of the second rubber string channel 102, thereby controlling the degree of tightness of the rubber string 110 after the rubber string is introduced into the moving part, and realizing the control of different shrinkage degrees of the fabric.

Moving part in some embodiments, two adjusting structures 130 are connected to the moving part 120, and the moving part 120 is configured to move relative to the main body part 100 under the action of the adjusting structures 130 to adjust the sizes of the first and second

elastic channels

101 and 102. In this way, the adjusting structure 130 can control the movement position of the moving part 120 relative to the main body part, thereby adjusting the tightness of the elastic band 110.

Optionally, the adjusting structure 130 includes a pushing component 131 and an elastic member 132 connected to the pushing component, the pushing component 131 is connected to the moving part 120, and the pushing component 131 is used for pushing the moving part 120 to move relative to the main body part 100 so as to adjust the size of the first elastic channel 101 or the second elastic channel 102.

Illustratively, the pushing member 131 may be a screw moving part, a bolt, or the like, and the moving part 120 may be a thin iron sheet or a stainless steel sheet. Taking a screw and an iron piece as an example, one end of the iron piece is fixed to the main body 100 by caulking, screwing, or the like, the other end of the iron piece 131 is a free end, and one end of the screw 131 abuts against the iron piece 120, thereby pressing the free end of the iron piece 120. In the process of screwing the screw to rotate the screw 131, the screw 131 can provide extrusion force of different degrees for the iron sheet 120, and the free end of the iron sheet 120 moves relative to the main body part 100 after the extrusion force is applied, so that the sizes of the first rubber band channel 101 and the second rubber band channel 102 are changed. Further, the nut portion of the screw 131 may be selected to have a textured cylindrical nut to provide better friction when the screw is rotated.

Optionally, the elastic member 132 is used to provide a force that the moving part 120 maintains its state relative to the main body part 100. The elastic member 132 may be a spring, and the spring is sleeved on the portion of the screw 131 exposed out of the main body 100. The iron sheet 120 is kept in a state of a certain distance relative to the main body part 100 by using the elastic part, so that the sizes of the first rubber band channel 101 and the second rubber band channel 102 are kept stable in the working process, and the stability of the tightness degree of the rubber band 110 in the wrinkle removing sewing process is ensured.

Further, the adjustment structures 130 may be the same or different in size to the first rubber band channel 101 and the second rubber band channel 102, and the two adjustment structures 130 may be adjusted according to the requirement of sewing design, so as to achieve high-efficiency and personalized sewing of the adhered rubber bands.

Example two

Referring to fig. 4, an embodiment of the present invention further provides a sewing machine 2, the sewing machine includes a sewing machine body 200 and a double-needle elastic presser foot 1 according to the first embodiment, and the double-needle elastic presser foot 1 is disposed on the sewing machine body 200. Specifically, the presser bar 30 of the double-needle elastic presser foot 1 is fixed to the sewing machine body 200, and two sewing needles of the sewing machine 2 are respectively inserted into the first needle passing hole 211a and the second needle passing hole 211b, so that the sewing machine 2 can be used. By using the double-needle rubber band presser foot 1, the efficiency of rubber band sewing and the accuracy and quality of rubber band wrinkle are improved.

The double-needle rubber band presser foot and the sewing machine disclosed by the embodiment of the utility model are introduced in detail, the specific examples are applied in the text to explain the principle and the implementation mode of the utility model, and the explanation of the above embodiments is only used for helping to understand the double-needle rubber band presser foot and the sewing machine and the core idea thereof; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a double needle rubber band presser foot which characterized in that includes:

the pin pressing plate is provided with a first pin through hole and a second pin through hole, and the first pin through hole and the second pin through hole are arranged at intervals;

the first support is connected to the foot pressing plate, a first rubber band channel and a second rubber band channel are arranged on the first support at intervals, the first rubber band channel and the second rubber band channel extend along the direction of the first support to the foot pressing plate, the first rubber band channel and the second rubber band channel respectively comprise an inlet and an outlet, the inlet is used for introducing rubber bands, and the outlet is used for outputting rubber bands;

the foot pressing rod is connected to one end, away from the first support, of the foot pressing plate and extends upwards from the end of the foot pressing plate; and

two adjust the structure, two adjust the structure all connect in first support, two it is used for adjusting respectively to adjust the structure first rubber band passageway, the size of second rubber band passageway.

2. The double-needle elastic presser foot according to claim 1, wherein the presser foot plate includes a presser foot portion and a connecting portion, the first needle passing hole and the second needle passing hole are provided in the presser foot portion, one end of the connecting portion is connected to the presser foot portion at an angle, and the other end of the connecting portion is connected to the first support.

3. The double-needle rubber band presser foot according to claim 2, wherein the connecting portion is provided with two limiting channels, the two limiting channels both extend from one end of the connecting portion to the other end of the connecting portion, and the two limiting channels are respectively communicated with the outlets of the first rubber band channel and the second rubber band channel.

4. The double needle elastic presser foot according to claim 3, wherein the connecting portion comprises a front surface and a back surface which are oppositely arranged, and the two limiting channels are arranged on the back surface;

the front of connecting portion is equipped with the second support, connecting portion pass through the second support connect in presser foot portion and first support.

5. The double-needle elastic presser foot according to claim 2, wherein the presser foot part comprises a straight portion and a tilting portion, the straight portion is provided with the first needle passing hole and the second needle passing hole, the tilting portion is connected to the straight portion and arranged oppositely to the tilting of the straight portion, and the connecting portion is connected to one side of the tilting portion, which is far away from the straight portion.

6. The double-needle elastic presser foot according to any one of claims 1 to 5, wherein the bottom surface of the presser foot plate is provided with guide grooves at intervals, the two guide grooves are respectively communicated with the first needle passing hole and the second needle passing hole, and the two guide grooves are respectively used for guiding the elastic output from the outlet.

7. The double needle elastic presser foot according to any one of claims 1 to 5, wherein a distance between centers of the first needle passing hole and the second needle passing hole is 0.3cm to 5cm.

8. The double needle elastic presser foot according to any one of claims 1 to 5, wherein the first support comprises a main body part and a moving part, the moving part is connected to the main body part, and the first elastic channel and the second elastic channel are formed between the moving part and the main body part together;

the two adjusting structures are connected to the moving part, and the moving part is used for moving relative to the main body part under the action of the adjusting structures so as to adjust the sizes of the first rubber band channel and the second rubber band channel.

9. The double needle elastic presser foot according to claim 8, wherein the adjusting structure comprises a pushing member and an elastic member connected to the pushing member, the pushing member is connected to the moving portion, the pushing member is used for pushing the moving portion to move relative to the main body portion so as to adjust the size of the first elastic channel or the second elastic channel, and the elastic member is used for providing acting force for keeping the moving portion in a state relative to the main body portion.

10. A sewing machine comprising a sewing machine body and the double needle elastic presser foot of any one of claims 1 to 9, the double needle elastic presser foot being provided on the sewing machine body.