A draw cylinder for edging

By designing a pull tube that includes a lower layer, a middle layer, and an upper layer, combined with adjustment components and fasteners, the problem of complex operation of existing edge-trimming tools is solved, achieving the effect of easy operation for beginners and stable product quality.

CN224337885UActive Publication Date: 2026-06-09GUANGZHOU XIYIN INT IMPORT & EXPORT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU XIYIN INT IMPORT & EXPORT CO LTD
Filing Date
2025-02-19
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing garment edge-sealing tools have complex structures and are difficult to operate, making them hard for beginners to master. This results in inconsistent product quality, high labor costs, and low product yield.

Method used

Design a pull cylinder comprising a lower layer, a middle layer, and an upper layer. The feed channel is formed by bending. Combined with adjustment components and fasteners, the operation process is simplified and the consistency of the cut pieces' edges is ensured.

Benefits of technology

It lowers the skill requirements, simplifies the edge-trimming process, improves beginners' ability to control the cut pieces, ensures consistent width of finished products, and improves edge-trimming quality and yield.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to sewing technical field discloses a kind of pull cylinder for edge, including pull cylinder body, the pull cylinder body includes the lower layer piece formed by twice bending of strip piece, middle layer piece and upper layer piece, first feed channel is formed between the lower layer piece and middle layer piece, first bending part is formed by first bending, second feed channel is formed between the upper layer piece and middle layer piece, second bending part is formed by second bending, second feed channel is formed between the first bending part and second bending part.The utility model provides a kind of pull cylinder for edge, using this pull cylinder to carry out edge, can reduce skill requirement, auxiliary beginner better control upper and lower layer cutting piece stop mouth, and the width of finished product edge is consistent, quality is stable.
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Description

Technical Field

[0001] This utility model belongs to the field of sewing technology, specifically relating to a pull tube for edge trimming. Background Technology

[0002] In the garment manufacturing industry, the finishing of cuffs and collars is a crucial process, as its quality directly affects the overall quality and appearance of the garment. Traditional cuff and collar finishing techniques mainly rely on the manual skills and experience of the operators.

[0003] Skilled tailors, with their rich experience and exquisite techniques, can precisely control the sewing machine to hem the cuffs and collars, ensuring the edges of the upper and lower pieces maintain the appropriate width and guaranteeing consistent width in the finished product. However, this manual method has significant drawbacks. On one hand, training a skilled tailor requires a considerable amount of time and effort, keeping labor costs in garment production high. On the other hand, even experienced tailors, in the course of long hours of repetitive work, find it difficult to guarantee completely consistent hemming quality for every garment. They are susceptible to fatigue, emotional factors, and other influences, leading to uneven widths and quality issues, thus affecting product yield and brand reputation.

[0004] Furthermore, while existing auxiliary edge-trimming tools can help operators improve edge-trimming efficiency and quality to some extent, they still have many shortcomings. For example:

[0005] (1) The structure is complex and the operation is difficult.

[0006] (2) It is difficult for beginners to quickly get started and master it.

[0007] Therefore, there is an urgent need for a hemming tool for cuffs and collars that can reduce skill requirements, make it easy for beginners to operate, and at the same time ensure stable hemming quality and consistent width of finished products, in order to solve these problems existing in the current garment production process. Utility Model Content

[0008] To address the shortcomings of existing technologies, this utility model proposes a pull tube for edge trimming. Using this pull tube for edge trimming reduces skill requirements, helps beginners better control the edges of the upper and lower cut pieces, and ensures that the finished edge trimming is consistent in width and stable in quality.

[0009] The technical solution of this utility model is implemented as follows:

[0010] A pull tube for edge trimming includes a pull tube body, the pull tube body comprising a lower layer, a middle layer, and an upper layer formed by bending a strip sheet twice, a first feeding channel being formed between the lower layer and the middle layer, a first bending portion being formed by the first bending, a second feeding channel being formed between the upper layer and the middle layer, a second bending portion being formed by the second bending, and a second feeding channel being disposed between the first bending portion and the second bending portion.

[0011] Preferably, the upper layer sheet is provided with an adjustment port in the horizontal direction, and the pull cylinder further includes an adjustment assembly. The adjustment assembly includes an adjustment component and an adjustment plate. The adjustment component includes a connecting rod and a rod cap disposed on the upper end of the connecting rod. The rod cap is disposed above the adjustment port. The connecting rod is slidably connected to the adjustment port. The lower end of the connecting rod passes through the adjustment port and the hole of the adjustment plate in sequence and extends out of the hole. The adjustment plate is disposed longitudinally between the middle layer sheet and the upper layer sheet. The height of the adjustment plate is smaller than the height of the second feeding channel.

[0012] Preferably, the adjustment assembly further includes a shim, which is disposed between the rod cap and the upper plate of the adjustment member, and the lower end of the connecting rod passes through the shim first and then through the adjustment port.

[0013] Preferably, the horizontal edge of the lower sheet also extends downward with a connecting plate, and a fixing plate extends from the middle of the edge of the connecting plate.

[0014] Preferably, the fixed panel extending downward from the edge of the sewing machine table is provided with threaded holes, and the pull cylinder fixing component is a hand-tightening knob screw, the end of the hand-tightening knob screw threaded through the hole and threaded hole on the fixed plate in sequence.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] The pull tube provided by this utility model consists of a lower layer, a middle layer, and an upper layer. A first feeding channel and a first bending portion are formed between the lower and middle layers, and a second feeding channel and a second bending portion are formed between the middle and upper layers. When using this pull tube for edge trimming, the pull tube body is first fixed to the sewing machine table, with the lower layer parallel to the table and the first bending portion positioned in front of the sewing machine needle. The upper cut piece is then passed through the first feeding channel, and the first bending portion is used to trim the right edge of the upper cut piece. The upper cutting piece for edge trimming passes through the second feeding channel. The second bending part is used to block and limit the left edge of the upper cutting piece for edge trimming, aligning the right edge of the lower cutting piece with the right edge of the upper cutting piece. Then, the edge trimming is started. Using the pull tube provided in this embodiment, you only need to put the cutting piece and the upper cutting piece for edge trimming into the pull tube to start the edge trimming. The operation is simple, which can reduce the skill requirements and help beginners to better control the edges of the upper and lower cutting pieces. The finished edge trimming is consistent in width and the quality is stable. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a 3D diagram of the pull tube;

[0019] Figure 2 This is a three-dimensional view of the pull tube from another angle.

[0020] Attached labels: 1. Pull cylinder body; 11. Lower layer; 12. Middle layer; 121. First end; 122. Second end; 13. Upper layer; 131. Adjustment port; 14. First feed channel; 15. First bending section; 16. Second feed channel; 17. Second bending section; 18. Connecting plate; 181. Edge of connecting plate; 19. Fixing plate;

[0021] 2. Pull tube fixing parts;

[0022] 3. Adjustment assembly; 31. Adjustment piece; 311. Rod cap; 32. Adjustment plate; 33. Shim. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Example 1

[0027] See Figures 1 to 2 This embodiment provides a pull tube for edge trimming, including a pull tube body 1 and a pull tube fixing member 2. The pull tube fixing member 2 is used to fix the pull tube body 1 on the table of a sewing machine (shown in the figure). The pull tube body 1 includes a lower layer 11, a middle layer 12 and an upper layer 13 formed by bending a strip sheet twice. In this embodiment, the strip sheet is a metal strip sheet. The first bending forms a first bending portion 15. A first feeding channel 14 is formed between the lower layer sheet 11 and the middle layer sheet 12. The second bending forms a second bending portion 17. A second feeding channel 16 is formed between the middle layer sheet 12 and the upper layer sheet 13. The second feeding channel 16 is provided between the first bending portion 15 and the second bending portion 17.

[0028] The pull tube provided in this embodiment, when used for edge trimming, fixes the pull tube body 1 on the sewing machine table, arranges the lower piece 11 parallel to the table, and positions the first bending part 15 in front of the sewing machine needle. Then, the upper piece (not shown) is passed through the first feed channel 14. At this time, the first bending part 15 can be positioned along the right edge of the upper piece (as shown in the figure). Figure 2 From the perspective of, with Figure 1 The upper piece of fabric (the right edge of which is the edge to be hemmed) is blocked and limited. The lower piece of fabric (not shown in the figure) for hemming passes through the second feed channel 16. The second bending part 17 can block and limit the left edge of the lower piece of fabric for hemming, and make the right edge of the upper piece of fabric and the right edge of the lower piece of fabric for hemming flush. Then, the right edge of the upper piece of fabric and the right edge of the lower piece of fabric are sewn together to hem. Using the pull tube provided in this embodiment, the upper piece of fabric and the lower piece of fabric are simply placed into the first feed channel 14 and the second feed channel 16 respectively to hem. The operation is simple, the skill requirements are reduced, and it can help beginners better control the edges of the upper and lower pieces of fabric. The width of the hemmed edge of the finished product is consistent and the quality is stable.

[0029] In some embodiments of this utility model, the upper layer 13 is provided with an adjustment port 131 in the horizontal direction, and the pull tube also includes an adjustment component 3, wherein the adjustment component 3 includes an adjustment element 31 and an adjustment plate 32. In this embodiment, the adjustment element is a screw. The adjustment element 31 includes a connecting rod (not shown in the figure) and a rod cap 311 disposed on the upper end of the connecting rod. The rod cap 311 is disposed above the adjustment port 131. The connecting rod is slidably connected to the adjustment port 131. The lower end of the connecting rod passes through the holes of the adjustment port 131 and the adjustment plate 32 in sequence, and extends out of the holes by 0.1-0.2 cm. In this embodiment, the adjustment plate 32 extends by 0.1cm. The hole of the adjustment plate 32 in this embodiment is a first threaded hole, thereby fixing the adjustment plate 32 on the connecting rod. The adjustment plate 32 is longitudinally arranged in the second feeding channel 16. The height of the adjustment plate 32 is 0.5cm smaller than the second feeding channel 16. When the adjustment component 31 (screw) is loose, the connecting rod can move back and forth in the adjustment port 131, thereby controlling the adjustment plate 32 to move back and forth in the second feeding channel 16, and thus adjusting the width of the second feeding channel 16 to accommodate upper cut pieces of different widths.

[0030] In some embodiments of this invention, the adjusting assembly 3 further includes a shim 33, which is disposed between the rod cap 311 of the adjusting member and the upper plate 13. The lower end of the connecting rod passes through the hole in the shim 33 (not shown in the figure) and then through the adjusting port 131. The shim 33 can evenly distribute the pressure generated when the adjusting member 31 is tightened to a larger area of ​​the upper plate 13, avoiding excessive local pressure that could cause deformation or damage to the upper plate 13. This helps maintain the structural stability of the upper plate 13 and also ensures the normal operation of the adjusting assembly 3.

[0031] In some embodiments of this utility model, a connecting plate 18 extends downward from the transverse edge of the lower layer 11, and a fixing plate 19 extends from the center of the edge 181 of the connecting plate 18.

[0032] Specifically, in this embodiment, the pull tube fixing component 2 is a hand-tightening knob screw. The fixed panel extending downward from the edge of the sewing machine table is provided with threaded holes (not shown in the figure). The end of the screw rod of the hand-tightening knob screw passes through the hole and the threaded hole on the fixed plate 19 in sequence, thereby fixing the pull tube body 1 on the table. In this embodiment, the pull tube fixing component 2 is a hand-tightening knob screw, which facilitates the installation and removal of the pull tube body 1.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pull tube for edge trimming, characterized in that, The device includes a pull tube body (1), which includes a lower layer (11), a middle layer (12) and an upper layer (13) formed by bending strips twice. The first bend forms a first bend (15), and a first feeding channel (14) is formed between the lower layer (11) and the middle layer (12). The second bend forms a second bend (17), and a second feeding channel (16) is formed between the middle layer (12) and the upper layer (13). The second feeding channel (16) is provided between the first bend (15) and the second bend (17).

2. The pull tube for edge trimming according to claim 1, characterized in that, The upper layer (13) is provided with an adjustment port (131) in the horizontal direction. The pull tube also includes an adjustment component (3). The adjustment component (3) includes an adjustment element (31) and an adjustment plate (32). The adjustment element (31) includes a connecting rod and a rod cap (311) set at the upper end of the connecting rod. The rod cap (311) is set above the adjustment port (131). The connecting rod is slidably connected to the adjustment port (131). The lower end of the connecting rod passes through the holes of the adjustment port (131) and the adjustment plate (32) in sequence and extends out of the holes. The adjustment plate (32) is set longitudinally between the middle layer (12) and the upper layer (13). The height of the adjustment plate (32) is smaller than the height of the second feed channel (16).

3. The pull tube for edge trimming according to claim 2, characterized in that, The adjustment assembly (3) also includes a shim (33), which is disposed between the rod cap (311) of the adjustment member (31) and the upper plate (13). The lower end of the connecting rod passes through the shim (33) first and then through the adjustment port (131).

4. The pull tube for edge trimming according to claim 1, characterized in that, The lower layer (11) also has a connecting plate (18) extending downward along its horizontal edge, and a fixing plate (19) extends from the middle of the edge (181) of the connecting plate (18).

5. The pull tube for edge trimming according to claim 1, characterized in that, The fixed panel extending downward from the edge of the sewing machine table is provided with threaded holes. The pull tube fixing part (2) is a hand-tightening knob screw. The end of the screw rod of the hand-tightening knob screw passes through the hole and threaded hole on the fixed plate (19) in sequence.