Double-needle sewing combined folder

By incorporating a clamping and fixing device and a quick-locking component, the problem of time-consuming disassembly or poor stability in existing sewing tube fixing methods is solved. This enables convenient installation and disassembly of sewing tubes, improves fixing stability and disassembly efficiency, and facilitates component assembly and maintenance.

CN223879988UActive Publication Date: 2026-02-06SICHUAN YONGCHENG NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520052390.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-06
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing methods for fixing bound-edge sewn pull tubes have problems such as time-consuming disassembly or poor stability. In particular, screw fixing is time-consuming to disassemble, while tape fixing is not stable enough.

Method used

The device employs a clamping and fixing device and a quick-locking assembly. Through the cooperation of the locking block and the quick-locking assembly, it can conveniently clamp and fix the front and rear sides of the sewing machine, and can also quickly disassemble and assemble parts, making it convenient for the assembly, maintenance and replacement of parts.

Benefits of technology

It enables convenient installation and disassembly of sewn pull tubes, reduces space occupation, facilitates storage, improves fixation stability and disassembly efficiency, and facilitates component assembly and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-needle sewing combined type folder which comprises a sewing folder body, a locking block is fixedly connected to the top end of the sewing folder body, locking holes are formed in the left side and the right side of the locking block in a penetrating mode, a fast locking assembly is arranged above the sewing folder body, the fast locking assembly is matched with the locking holes in an inserting and pulling mode, and the sewing folder body is provided with a locking hole. A clamping and fixing device is arranged at the top end of the quick locking assembly; the fast locking assembly comprises a locking frame, and storage shells are symmetrically and fixedly connected to the left side wall and the right side wall of the locking frame. By arranging the clamping and fixing device, during use, the front side and the rear side of the sewing machine can be clamped and fixed, installation is convenient and fast, the occupied space can be reduced through folding, and storage is convenient; by means of the locking block, the quick locking assembly, the sewing pull cylinder and the clamping and fixing device, quick disassembly and assembly can be achieved through cooperation of the locking block and the quick locking assembly, and assembly, maintenance and replacement of components are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sewing equipment technical field, especially a double needle sewing combined type pull cylinder. BACKGROUND

[0002] The pull cylinder is also called edge seamer, edge seamer, and is commonly known as mouth. It is an auxiliary tool for sewing equipment of various garments, leathers and bags. The pull cylinder is mainly used for rolling collar, rolling edge, burying card, embedding line, covering edge, rolling edge, folding edge, surrounding edge, pulling leg, pulling belt, sticking strip and the like in the sewing process of various fabrics. According to the specific product structure, professional pull cylinders for pant legs, waistbands, ear tips, high head, towels, ropes, pockets and fur are derived, and some complex processes require special development of the pull cylinder.

[0003] In the prior art, some edge sewing pull cylinders are generally fixed on the sewing machine by adhesive tape or screws during use. Although the screw fixing mode is firm, it is time-consuming to disassemble. Although the adhesive tape fixing is convenient, the stability is poor. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a double needle sewing combined type pull cylinder. By setting the clamping and fixing device, the front and rear sides of the sewing machine can be clamped and fixed during use. It is convenient to install, and can be folded to reduce the occupied space and be convenient for storage. By setting the locking block and the quick locking assembly, the sewing pull cylinder and the clamping and fixing device can be quickly disassembled and assembled by cooperating with the locking block and the quick locking assembly, which is convenient for assembly and maintenance and replacement of parts.

[0005] One of the purposes of the utility model is achieved by the following technical scheme: a double needle sewing combined type pull cylinder, comprising: a sewing pull cylinder, a locking block is fixedly connected to the top end of the sewing pull cylinder, locking holes are formed through the left and right sides of the locking block, a quick locking assembly is arranged above the sewing pull cylinder, the quick locking assembly is plug-in matched with the locking hole, and a clamping and fixing device is arranged at the top end of the quick locking assembly.

[0006] The quick-locking assembly includes a locking frame, with symmetrical storage shells fixed to the left and right side walls of the locking frame. Each storage shell contains a rectangular block, and each rectangular block has a baffle on its outer side. The outer side wall of the baffle fits against the inner side wall of the storage shell. Each rectangular block has a guide arc at its bottom end and penetrates the side wall of the locking frame. Connecting rods are fixed to the opposite sides of the two rectangular blocks, and springs are wound around the outer side walls of the connecting rods. The other end of each connecting rod penetrates the side wall of the storage shell and is fixed to a pull block. Through the clamping and fixing device, the front and rear sides of the sewing machine can be clamped and fixed during use, making installation convenient and allowing for folding to reduce space occupation and facilitate storage. The locking blocks and quick-locking assembly, along with the sewing pull tube and clamping and fixing device, enable quick assembly and disassembly, facilitating component assembly, repair, and replacement.

[0007] According to the aforementioned double-needle sewing combined pull tube, the clamping and fixing device includes a fixing frame, with upright plates symmetrically fixed to the inner sidewalls of the fixing frame, bidirectional threaded rods rotatably connected to the left and right sidewalls of the upright plates, a knob fixed to the middle sidewall of the bidirectional threaded rods, and rectangular rods symmetrically arranged on the left and right sidewalls of the bidirectional threaded rods threadedly connected to the outer sidewalls of the bidirectional threaded rods. The outer sidewalls of the rectangular rods are all in contact with the inner sidewalls of the fixing frame, and clamping plates are fixed to the opposite sides of the two rectangular rods.

[0008] According to the double-needle sewing combined pull tube, the lower surface of the fixed frame is fixedly connected to the upper surface of the locking frame.

[0009] A double-needle sewing combined pull tube is provided, wherein a groove is provided on the middle side wall of the fixed frame, and the knob is located in the groove.

[0010] According to the aforementioned double-needle sewn combination pull tube, the outer wall of the knob is provided with anti-slip texture.

[0011] According to the aforementioned double-needle sewing combined pull tube, a serpentine rod is fixedly connected to the left side of the sewing pull tube, and the serpentine rod is made of metal.

[0012] According to the aforementioned double-needle sewing combined pull tube, a horizontal block is fixedly connected to the lower surface of the sewing pull tube, and the horizontal block is semi-circular in shape.

[0013] According to the aforementioned double-needle sewing combined pull tube, the locking hole is adapted to the shape and size of the rectangular block, and the position of the locking hole corresponds to that of the rectangular block.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The utility model is further illustrated below in combination with the drawings and embodiments;

[0016] Figure 1 It is a perspective view of the double-needle sewing combined pull-over of the utility model;

[0017] Figure 2 It is a sewing pull-over perspective view of the double-needle sewing combined pull-over of the utility model;

[0018] Figure 3 It is a quick locking assembly structure diagram of the double-needle sewing combined pull-over of the utility model;

[0019] Figure 4 It is a clamping fixing device structure diagram of the double-needle sewing combined pull-over of the utility model.

[0020] Legend:

[0021] 1, sewing pull-over;2, serpentine rod;3, horizontal block;4, locking block;5, quick locking assembly;6, clamping fixing device;401, locking hole;501, locking frame;502, storage shell;503, rectangular block;5031, guide arc;5032, baffle;504, connecting rod;505, spring;506, pull block;601, fixed frame;6011, notch;602, vertical plate;603, bidirectional screw rod;604, knob;605, rectangular rod;606, clamping plate. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figures 1-4 , the utility model embodiment a double-needle sewing combined pull-over, it includes: sewing pull-over 1, the left side fixed connection of sewing pull-over 1 has serpentine rod 2, serpentine rod 2 is made of metal material, the lower surface fixed connection of sewing pull-over 1 has horizontal block 3, horizontal block 3 is semicircular and is arranged, the top of sewing pull-over 1 is fixedly connected with locking block 4, and locking hole 401 is formed in the left and right sides of locking block 4, and the upper portion of sewing pull-over 1 is provided with quick locking assembly 5, and quick locking assembly 5 is plug-in matched with locking hole 401, and the top of quick locking assembly 5 is provided with clamping fixing device 6;

[0024] The quick locking assembly 5 comprises a locking frame 501, the left and right side walls of the locking frame 501 are symmetrically fixedly connected with receiving housings 502, the interiors of the receiving housings 502 are each provided with a rectangular block 503, the outer side of the rectangular block 503 is provided with a baffle 5032, the outer side wall of the baffle 5032 is in close fit with the inner side wall of the receiving housing 502, the locking hole 401 is matched with the shape and size of the rectangular block 503, the position of the locking hole 401 corresponds to that of the rectangular block 503, the bottom end of the rectangular block 503 is provided with a guide arc 5031, the rectangular block 503 penetrates through the side wall of the locking frame 501, the opposite faces of the two rectangular blocks 503 are fixedly connected with connecting rods 504, the outer side walls of the connecting rods 504 are each wound with a spring 505, the other end of the connecting rod 504 penetrates through the side wall of the receiving housing 502 and is fixedly connected with a pull block 506;

[0025] The clamping and fixing device 6 comprises a fixing frame 601, the lower surface of the fixing frame 601 is fixedly connected with the upper surface of the locking frame 501, the inner side walls of the fixing frame 601 are symmetrically fixedly connected with vertical plates 602, the left and right side walls of the vertical plate 602 are rotatably connected with a bidirectional threaded rod 603, the middle side wall of the bidirectional threaded rod 603 is fixedly connected with a knob 604, the middle side wall of the fixing frame 601 is provided with a notch 6011, the knob 604 is located in the notch 6011, the outer side wall of the knob 604 is provided with an anti-skid pattern, the outer side wall of the bidirectional threaded rod 603 is threadedly connected with symmetrically arranged rectangular rods 605, the outer side walls of the rectangular rods 605 are in close fit with the inner side walls of the fixing frame 601, the opposite faces of the two rectangular rods 605 are fixedly connected with clamping plates 606. Through the clamping and fixing device 6, when in use, the knob 604 is rotated to drive the bidirectional threaded rod 603 to rotate, and the fixing frame 601 is driven to move the two rectangular rods 605 away from each other, so that the two clamping plates 606 are extended to the front and rear sides of the sewing machine, when the sewing machine is fixed, the knob 604 is reversely rotated to drive the bidirectional threaded rod 603 to rotate, so as to drive the two rectangular rods 605 and the clamping plates 606 to move towards each other, thereby clamping and fixing the front and rear sides of the sewing machine, which is convenient to install and can be folded to reduce the occupied space and be convenient to store. Through the locking block 4 and the quick locking assembly 5, the sewing drum 1 and the clamping and fixing device 6 can be quickly disassembled and assembled through the locking block 4 and the quick locking assembly 5, which is convenient for assembly and maintenance and replacement of parts. When in assembly, the locking frame 501 is aligned with the locking block 4 and is pressed downward, the two rectangular blocks 503 are extruded along the guide arcs 5031, and the springs 505 are compressed, until the springs 505 push the rectangular blocks 503 to be inserted into the locking holes 401, so that the locking is completed, when in disassembly, the two pull blocks 506 are simultaneously pulled outward to drive the rectangular blocks 503 to be separated from the locking holes 401, so that the disassembly is completed, which is convenient for disassembly and assembly and maintenance and replacement of parts.

[0026] Working principle: in use, rotate the knob 604 drives the bidirectional threaded rod 603 rotation, cooperation fixed frame 601 limit drive both sides of the rectangular rod 605 opposite movement, both sides of the clamping plate 606 extend to the sewing machine front and rear sides, fixed on the sewing machine, reverse rotation knob 604 drives the bidirectional threaded rod 603 rotation, drive both sides of the rectangular rod 605 and clamping plate 606 displacement, to the front and rear sides of the sewing machine are clamped and fixed;

[0027] When assembling, the alignment locking block 4 of the locking frame 501 is pressed down, the rectangular block 503 on both sides is extruded along the guide arc 5031, the spring 505 is compressed, until the spring 505 pushes the rectangular block 503 into the locking hole 401, so that the locking is completed; when disassembling, the pull block 506 on both sides is pulled outwards at the same time to drive the rectangular block 503 to be separated from the locking hole 401, so that the disassembly is completed, which is convenient for disassembly and assembly, and convenient for assembly, maintenance and replacement of parts.

[0028] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A twin needle sewing assembly drawstring comprising: The utility model provides a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6). The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).

2. A two needle sewing assembly drawstring cartridge according to claim 1, wherein, The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).

3. A two needle sewing assembly drawstring cartridge according to claim 2, wherein, The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).

4. A dual needle sewing assembly drawstring cartridge according to claim 2, wherein, The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).

5. A two needle sewing assembly drawstring cartridge according to claim 4, wherein, The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).

6. A two needle sewing assembly drawstring cartridge according to claim 1 wherein, The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).

7. A two needle sewing assembly drawstring case according to claim 1 wherein, The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).

8. A two needle sewing assembly drawstring cartridge according to claim 1 wherein, The utility model discloses a sewing puller (1), it is characterized in that, the top of the sewing puller (1) is fixedly connected with locking block (4), locking hole (401) is opened through the left and right sides of locking block (4), the top of the sewing puller (1) is equipped with quick locking assembly (5), quick locking assembly (5) is inserted into locking hole (401) and is plugged, and the top of quick locking assembly (5) is equipped with clamping fixing device (6).