Presser foot structure for double-needle machine

Abstract

The utility model provides a presser foot structure for a double-needle machine, which comprises a presser foot handle, two groups of adjusting parts and a presser foot plate, the two groups of adjusting parts are respectively positioned in two groups of accommodating grooves at the lower part of the presser foot handle, and each adjusting part comprises a threaded adjusting shaft and a sliding block. The sliding block is movably connected to the thread adjusting shaft and connected with the presser foot plate, so that when double threads with different intervals need to be sewn on cloth, the thread adjusting shaft is rotated to enable the sliding block to drive the presser foot plate to relatively move in the containing groove, and therefore the function of adjusting different intervals of the presser foot structure is achieved. The problems that when double threads with different intervals need to be sewn on cloth, presser foot structures with different intervals and models need to be replaced, the replacement process is tedious, complex, time-consuming and labor-consuming, and sewing efficiency is reduced are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of garment processing, and in particular to a presser foot structure for a double-needle machine. Background Art

[0002] The double-needle sewing machine is a special machine suitable for making medium and large-sized garments. It has two needles and can sew at the same time, so it has a faster sewing speed, and the double lines sewn are parallel, regular and beautiful. The spacing between the two sewing needles on the main body of the current double-needle machine can be adjusted according to needs, so it can be suitable for sewing operations on fabrics with different needs. However, since the distance between the double needle grooves of the existing presser foot structure cannot be adjusted, when it is necessary to sew double lines of different spacings on the fabric, it is necessary to replace the presser foot structure with different spacing models, and the replacement process is cumbersome and complicated, time-consuming and troublesome, which affects production efficiency. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned problem and provide a presser foot structure for a double-needle machine.

[0004] The technical solution of the present disclosure is achieved as follows:

[0005] The present disclosure provides a presser foot structure for a double-needle machine, comprising a presser foot handle, an adjusting component and a presser foot plate, wherein the adjusting component is located between the presser foot handle and the presser foot plate;

[0006] A movable groove is provided at the lower part of the presser foot handle, through holes communicating with the movable groove are provided on both sides of the presser foot handle, a partition plate is provided at the middle end of the movable groove, limiting grooves are provided at both ends of the partition plate, a screw bearing seat is provided in the limiting groove, two groups of spaced accommodating grooves are formed in the movable groove through the partition plate, and two groups of adjusting components are provided and are respectively located in the two groups of accommodating grooves;

[0007] The adjusting component includes a threaded adjusting shaft and a sliding block. The threaded adjusting shaft is rotatably installed in the accommodating groove. One end of the threaded adjusting shaft is installed on the screw bearing seat, and the other end extends to the outside of the presser foot handle through the through hole. The sliding block is movably connected to the threaded adjusting shaft and connected to the presser foot plate. By rotating the threaded adjusting shaft, the sliding block can move relatively in the accommodating groove.

[0008] In one embodiment, a fitting opening is provided at the lower end of the sliding block, and a connecting protrusion is provided on the presser foot plate. The presser foot plate can be installed or removed from the presser foot handle through the snap connection between the connecting protrusion and the fitting opening.

[0009] In one embodiment, grooves are provided on both sides of the fitting opening, and an extension portion is provided at a position of the connecting protrusion corresponding to the groove;

[0010] When the connecting protrusion is inserted into the fitting opening, the extending portion is inserted into the slot.

[0011] In one embodiment, the presser foot is provided with a needle groove penetrating through the presser foot.

[0012] In one embodiment, a mounting groove is provided at the upper end of the presser foot handle.

[0013] In one embodiment, a threaded adjustment shaft located on the outside of the presser foot handle is mounted with a knob.

[0014] In one embodiment, when the two sets of threaded adjustment shafts are both located in the limiting grooves, the thread directions of the two sets of threaded adjustment shafts are opposite.

[0015] The advantages or beneficial effects of the above technical solution include at least:

[0016] The present invention discloses a presser foot structure for a double-needle sewing machine. Since the presser foot plate is installed on a sliding block in an adjusting component, when the fabric needs to be sewn with double threads of different spacings, the threaded adjusting shafts on both sides are rotated respectively, so that the two groups of sliding blocks drive the presser foot plates to move relatively in the two groups of accommodating grooves respectively. By changing the positions of the two groups of sliding blocks, the spacing of the presser foot plates can be changed synchronously, thereby realizing the function of adjusting the distance between the double needle grooves. This design effectively improves the practicability of the presser foot structure, and is also conducive to optimizing the operating steps of the operator, simplifying the operator's work, and improving the sewing work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0018] Figure 1 A structural schematic diagram of an embodiment of the present disclosure is shown;

[0019] Figure 2 A schematic diagram of the structural decomposition of an embodiment of the present disclosure is presented;

[0020] Figure 3 A schematic diagram of the structure in which the adjusting component in the embodiment of the present disclosure is installed on the presser foot handle is shown;

[0021] Figure 4 A schematic cross-sectional structure diagram of an embodiment of the present disclosure is shown;

[0022] Figure 5 The present invention shows an embodiment of Figure 4 The enlarged schematic diagram at A in the middle;

[0023] Reference numerals: 1, presser foot handle; 11, moving groove; 111, accommodating groove; 12, partition plate; 121, limiting groove; 1211, screw rod bearing seat; 13, through hole; 14, mounting groove;

[0024] 2. Adjustment component; 21. Threaded adjustment shaft; 211. Knob; 22. Sliding block; 221. Fitting opening; 2211. Slot;

[0025] 3. Presser foot plate; 31. Connecting protrusion; 311. Extension portion; 32. Needle groove. DETAILED DESCRIPTION

[0026] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments described herein, which are instead provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0027] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure may be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be understood that the term "including" and its variations used in this document are open inclusions, that is, "including but not limited to". The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions of other terms will be given in the description below. It should be noted that the concepts of "first", "second", etc. mentioned in this disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0029] The names of the messages or information exchanged between multiple devices in the embodiments of the present disclosure are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0030] Reference Figure 1-Figure 5 A presser foot structure for a double-needle machine comprises a presser foot handle 1, an adjusting component 2 and a presser foot plate 3, wherein the adjusting component 2 is located between the presser foot handle 1 and the presser foot plate 3, and the position of the presser foot plate 3 can be controlled by the adjusting component, thereby improving the performance of the presser foot structure;

[0031] A movable groove 11 is provided at the lower part of the presser foot handle 1, and through holes 13 connected to the movable groove 11 are provided on both sides of the presser foot handle 1. A partition plate 12 is provided at the middle end of the movable groove 11, and limiting grooves 121 are provided at both ends of the partition plate 12. A screw bearing seat 1211 is provided in the limiting groove 121. The screw bearing seat 211 can prevent the threaded adjustment shaft 21 from rotating stably, and can also reduce friction and wear, so as to ensure that the sliding block 22 repeatedly runs on the threaded adjustment shaft 21, and can also extend the service life of the presser foot structure and enhance the performance of the presser foot structure. Two groups of spaced accommodating grooves 111 are formed in the movable groove 11 through the partition plate 12, and the adjusting component 2 is provided with two groups and is respectively located in the two groups of accommodating grooves 111. By providing two groups of accommodating grooves 111, the two groups of adjusting components 2 can be adjusted separately;

[0032] The adjusting component 2 includes a threaded adjusting shaft 21 and a sliding block 22. The threaded adjusting shaft 21 is rotatably installed in the receiving groove 111. One end of the threaded adjusting shaft 21 is installed on the screw bearing seat 1211, and the other end passes through the through hole 13 and extends to the outside of the presser foot handle 1. A knob 211 is installed. The operator can drive the threaded adjusting shaft 21 to rotate by turning the knob 211, which is convenient for the operator to quickly adjust and improves the performance of the presser foot structure. The sliding block 22 is movably connected to the threaded adjusting shaft 21 and connected to the presser foot plate 3. By rotating the threaded adjusting shaft 21, the sliding block 22 can move relatively in the receiving groove 111 to adjust the distance between the presser foot plates 3, thereby increasing the practicality of the presser foot structure and effectively improving the sewing efficiency.

[0033] The lower end of the sliding block 22 is provided with an engaging opening 221, and the presser foot 3 is provided with a connecting protrusion 31 and a needle groove 32 that passes through the presser foot 3. The needle for sewing the patch through the needle groove 32 can pass through the presser foot structure for sewing, thereby improving the sewing effect. Slots 2211 are provided on both sides of the engaging opening 221, and an extension portion 311 is provided at the position of the connecting protrusion 31 corresponding to the slot 2211. When the connecting protrusion 31 is embedded in the engaging opening 221, the extension portion 311 is embedded in the slot 2211, and is not easy to fall off after being embedded, and has a limiting effect. Through the snap-fit ​​connection between the connecting protrusion 31 and the engaging opening 221, the presser foot 3 can be installed or removed from the presser foot handle 1, thereby realizing the quick and convenient replacement of the presser foot 3 and effectively improving the sewing efficiency.

[0034] The cam 22 is adapted to move the presser foot 3 in two sets of spaced-apart receiving grooves 111 so as to adjust the distance between the presser foot 3 and the sewing machine 3. The cam 22 is adapted to move the presser foot 3 in two sets of spaced-apart receiving grooves 111 so as to adjust the distance between the presser foot 3 and the sewing machine 3. The cam 22 is adapted to move the presser foot 3 in two sets of spaced-apart receiving grooves 111 so as to adjust the distance between the presser foot 3 and the sewing machine 3.

[0035] In one embodiment, referring to Figure 1-Figure 4 A mounting groove 14 is provided at the upper end of the presser foot handle 1, and the mounting groove 14 can be used to be snapped into the double-needle machine body, and then fixed to the double-needle machine body by passing a nut through the mounting groove 14. This can effectively ensure the reliability of the fixed connection between the presser foot handle 1 and the double-needle machine body, prevent the presser foot structure from detaching during the sewing process and affecting the sewing effect, and also facilitate the quick and convenient installation or removal of the presser foot structure on the double-needle machine body when the presser foot structure needs to be adjusted or replaced.

[0036] In one embodiment, referring to Figure 1-Figure 5 When the two sets of threaded adjustment shafts 21 are both located in the limiting groove 121, the thread directions of the two sets of threaded adjustment shafts 21 are opposite. When the two sets of threaded adjustment shafts 21 are rotated at the same time, one hand rotates clockwise and the other hand rotates counterclockwise, which makes the operation smoother and improves the performance of the presser foot structure.

[0037] In the description of the present disclosure, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present disclosure.

[0038] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present disclosure.

Claims

1. A presser foot structure for a double-needle machine, characterized in that: It comprises a presser foot handle (1), an adjusting component (2) and a presser foot plate (3), wherein the adjusting component (2) is located between the presser foot handle (1) and the presser foot plate (3); A movable groove (11) is provided at the lower part of the presser foot handle (1), through holes (13) communicating with the movable groove (11) are provided on both sides of the presser foot handle (1), a partition plate (12) is provided at the middle end of the movable groove (11), limiting grooves (121) are provided at both ends of the partition plate (12), a screw bearing seat (1211) is provided in the limiting groove (121), two groups of spaced accommodating grooves (111) are formed in the movable groove (11) through the partition plate (12), and two groups of adjusting components (2) are provided and are respectively located in the two groups of accommodating grooves (111); The adjusting component (2) comprises a threaded adjusting shaft (21) and a sliding block (22); the threaded adjusting shaft (21) is rotatably mounted in the accommodating groove (111); one end of the threaded adjusting shaft (21) is mounted on the screw bearing seat (1211), and the other end passes through the through hole (13) and extends to the outside of the presser foot handle (1); the sliding block (22) is movably connected to the threaded adjusting shaft (21) and is connected to the presser foot plate (3); by rotating the threaded adjusting shaft (21), the sliding block (22) can move relatively in the accommodating groove (111).

2. The presser foot structure for a double-needle machine according to claim 1, characterized in that: The lower end of the sliding block (22) is provided with an engaging opening (221), and the presser foot plate (3) is provided with a connecting protrusion (31). Through the buckling connection between the connecting protrusion (31) and the engaging opening (221), the presser foot plate (3) can be installed on or removed from the presser foot handle (1).

3. The presser foot structure for a double needle machine according to claim 2, characterized in that: Grooves (2211) are provided on both sides of the fitting opening (221), and an extension portion (311) is provided on the connection protrusion (31) at a position corresponding to the groove (2211); When the connecting protrusion (31) is embedded in the fitting opening (221), the extending portion (311) is embedded in the slot (2211).

4. The presser foot structure for a double needle machine according to claim 1, characterized in that: The presser foot plate (3) is provided with a needle groove (32) penetrating the presser foot plate (3).

5. The presser foot structure for a double needle machine according to claim 1, characterized in that: The upper end of the presser foot handle (1) is provided with a mounting groove (14).

6. The presser foot structure for a double needle machine according to claim 1, characterized in that: The threaded adjustment shaft (21) located outside the presser foot handle (1) is equipped with a knob (211).

7. The presser foot structure for a double needle machine according to claim 1, characterized in that: When the two groups of threaded adjustment shafts (21) are both located in the limiting grooves (121), the thread directions of the two groups of threaded adjustment shafts (21) are opposite.

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