Underpants and sewing auxiliary device

By using the clamping and adjusting components of the underwear sewing auxiliary device, the problem of elastic bands sagring during the sewing process is solved, thereby improving the sewing quality and aesthetics.

CN223780527UActive Publication Date: 2026-01-09ZHONGSHAN ZHONGSHUAI CLOTHING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520335380.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-09
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

During the sewing process of underwear, the elastic band is prone to loosening and sagging, resulting in loose stitches that affect the appearance and quality.

Method used

An underwear sewing aid device was designed, including components such as a clamp, mandrel, coil, roller and spring. By clamping and adjusting the tightness of the elastic band, it is ensured that the band does not loosen during sewing.

Benefits of technology

It effectively prevents the elastic band from loosening and sagging during the sewing process, improves the sewing quality and aesthetics, and ensures that the seam is located on the inside of the underwear, enhancing the overall appearance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of underpants sewing, and discloses a sewing auxiliary device which comprises a table, an electric sewing machine is fixedly installed on the top of the table, and an auxiliary assembly is detachably installed on the rear portion of the table. According to the underpants and sewing auxiliary device, the core shaft is sleeved with the elastic band strip through the coil, the other end of the elastic band strip is inserted between the two roll shafts in a penetrating mode and extends to the position below a needle head of the electric sewing machine, the spring can push the sliding block to move in the frame, and then it is guaranteed that the two roll shafts get close to each other and clamp the elastic band strip; therefore, when the elastic band enters the position below the needle head of the electric sewing machine, the elastic band cannot loosen and droop; meanwhile, the locking nut is loosened, and then the moving seat can be moved forwards and backwards, so that the frame and the roll shaft can move along with the moving seat, and the tightness of the elastic band strip can be adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to underpants sewing technical field, concretely is a kind of underpants and sewing auxiliary device. BACKGROUND

[0002] In the process of processing, the elastic band needs to be edge-sewn by sewing equipment. When the elastic band is sewn with the underpants, one hand holds the elastic band, and the other hand holds the underpants fabric, and then it is sent to the needle of the sewing machine. However, when the elastic band is not sewn with the underpants fabric, the elastic band is on the coil behind the table. Once the sewing starts, the elastic band will be pulled and relaxed, which will cause the sewing between the elastic band and the underpants fabric to be not tight enough. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides an underpants and sewing auxiliary device, which has the advantages of assisting the elastic band to be not easily pulled down under stress, and solves the problems in the above.

[0004] To achieve the above-mentioned purpose of assisting the elastic band to be not easily pulled down under stress, the utility model provides the following technical scheme: an underpants, comprising an underpants cloth, a leg portion of the underpants cloth is fixedly installed at the bottom of the underpants cloth, a crotch portion of the underpants cloth is fixedly installed on the surface of the underpants cloth, an elastic band strip is sewn on the top of the underpants cloth, and the elastic band strip is located on the outer layer of the top of the underpants cloth.

[0005] A sewing auxiliary device comprises a table, an electric sewing machine is fixedly installed on the top of the table, and an auxiliary assembly is detachably installed at the rear of the table.

[0006] Preferably, the auxiliary assembly comprises a clamping seat, a screw rod and a handle are threadedly installed at the bottom of the clamping seat, a clamping plate is movably installed at the top of the screw rod and the handle, a vertical frame is fixedly installed at the top of the clamping seat, a mandrel is fixedly installed on the surface of the vertical frame, a coil is sleeved on the outer side of the mandrel, and the elastic band strip is wound on the coil.

[0007] Preferably, a moving seat is arranged at the top of the clamping seat, a strip-shaped hole is formed in the surface of the moving seat, a locking screw rod is inserted into the strip-shaped hole and fixedly connected with the clamping seat, a pressing plate is sleeved on the outer side of the locking screw rod, and a locking nut is threadedly connected with the outer side of the locking screw rod.

[0008] Preferably, a frame is fixedly installed on the side surface of the moving seat, sliding blocks are slidingly embedded on the two sides of the frame, an axle rod is rotatably installed in the sliding block, a roller shaft is fixedly installed on the outer side of the axle rod, and convex columns are fixedly installed on the side wall of the sliding block and the inner wall of the frame.

[0009] Preferably, the elastic band is threaded between the two rollers and extends below the needle of the electric sewing machine.

[0010] Compared with the prior art, the underpants and the sewing auxiliary device have the following beneficial effects:

[0011] 1. The underpants and the sewing auxiliary device, the elastic band is sewn on the top of the underpants cloth by the electric sewing machine, and the elastic band is located on the outside of the underpants cloth, so that the sewing line is located inside the underpants, and the overall aesthetic degree is improved.

[0012] 2. The underpants and the sewing auxiliary device, the elastic band is sleeved on the mandrel by the coil, the other end of the elastic band is threaded between the two rollers and extends below the needle of the electric sewing machine, the spring pushes the sliding block to displace in the frame, and then the two rollers are guaranteed to approach each other and clamp the elastic band, so that the elastic band does not appear to be loose and droop when entering below the needle of the electric sewing machine; at the same time, the locking nut is loosened, and then the moving seat can be displaced forward and backward, so that the frame and the roller can also follow the movement, and the tightness of the elastic band can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view of the underpants of the utility model;

[0014] Figure 2 It is a structure schematic view of the table, the electric sewing machine and the auxiliary assembly of the utility model;

[0015] Figure 3 It is a structure schematic view of the auxiliary assembly of the utility model;

[0016] Figure 4 It is a structure schematic view of the moving seat and the frame of the utility model;

[0017] Figure 5 It is a structure schematic view of the frame and the roller of the utility model.

[0018] In the drawing: 1, underpants cloth; 2, underpants leg part; 3, underpants crotch part; 4, elastic band; 5, table; 6, electric sewing machine; 7, auxiliary assembly; 71, clamping seat; 72, screw rod and handle; 73, clamping plate; 74, vertical frame; 75, mandrel; 76, coil; 77, moving seat; 78, strip-shaped hole; 79, locking screw; 710, pressing plate; 711, locking nut; 712, frame; 713, sliding block; 714, shaft rod; 715, roller; 716, protruding column; 717, spring. DETAILED DESCRIPTION

[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figure 1 A pair of underpants, including underpants cloth 1, the bottom of underpants cloth 1 is fixedly installed with underpants leg part 2, the surface of underpants cloth 1 is fixedly installed with underpants crotch part 3, and the top of underpants cloth 1 is sewn with elastic band 4; the elastic band 4 is sewn on the top of underpants cloth 1 by means of electric sewing machine 6, and the elastic band 4 is located on the outer layer of the top of underpants cloth 1, so that the sewing line can be located on the outside of the underpants, no pressure marks or marks are ensured inside, and the overall aesthetic degree is improved.

[0021] Please refer to Figure 2 A sewing auxiliary device, including table 5, the top of table 5 is fixedly installed with electric sewing machine 6, and the rear of table 5 is detachably installed with auxiliary assembly 7, so that the elastic band 4 cannot be loose and droop.

[0022] Please refer to Figure 3 Auxiliary assembly 7 includes clamping seat 71, screw rod and handle 72 are screw-connected on the bottom of clamping seat 71, clamping plate 73 is movably installed on the top of screw rod and handle 72, vertical frame 74 is fixedly installed on the top of clamping seat 71, mandrel 75 is fixedly installed on the surface of vertical frame 74, coil 76 is sleeved on the outer side of mandrel 75, and elastic band 4 is wound on coil 76. The clamping seat 71 is sleeved on the rear of table 5, then the clamping plate 73 is moved up through screw rod and handle 72, and then the whole clamping seat 71 is fixed.

[0023] Please refer to Figure 4 The top of clamping seat 71 is provided with moving seat 77, strip-shaped hole 78 is formed in the surface of moving seat 77, locking screw rod 79 is inserted into strip-shaped hole 78 and is fixedly connected with clamping seat 71, pressing plate 710 is sleeved on the outer side of locking screw rod 79, and locking nut 711 is screw-connected on the outer side of locking screw rod 79. By loosening locking nut 711, pressing plate 710 is moved up, then moving seat 77 can be driven to move forward or backward, after moving, locking nut 711 is connected with locking screw rod 79, so that the elastic band 4 cannot be loose.

[0024] Please refer to Figure 5The side of the moving seat 77 is fixedly installed with a frame 712, the two sides of the frame 712 are slidably embedded with sliding blocks 713, the inside of the sliding block 713 is rotatably installed with a shaft rod 714, the outside of the shaft rod 714 is fixedly installed with roller shafts 715, the elastic band 4 passes through the two roller shafts 715 and extends below the needle of the electric sewing machine 6; the side wall of the sliding block 713 and the inner wall of the frame 712 are both fixedly installed with convex columns 716, the outside of the convex column 716 is clamped with a spring 717. The spring 717 can push the sliding block 713 to displace, and then the two roller shafts 715 approach to clamp the elastic band 4.

[0025] Working principle: in use, the elastic band 4 is sleeved on the mandrel 75 through the coil 76, the other end of the elastic band 4 is inserted between the two roller shafts 715 and extends below the needle of the electric sewing machine 6, wherein the spring 717 pushes the sliding block 713 to displace in the frame 712, and then ensures that the two roller shafts 715 approach each other and clamp the elastic band 4, so that the elastic band 4 does not appear to be loose and droop when entering below the needle of the electric sewing machine 6.

[0026] At the same time, the locking nut 711 is loosened, and then the moving seat 77 can be displaced forward and backward, so that the frame 712 and the roller shaft 715 also follow the movement, and the tightness of the elastic band 4 can be adjusted.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pant comprising a pant fabric (1), characterized in that: The bottom of the underpants cloth (1) is fixedly installed with underpants leg parts (2), the surface of the underpants cloth (1) is fixedly installed with underpants crotch parts (3), the top of the underpants cloth (1) is sewn with elastic band strips (4), and the elastic band strips (4) are located on the outer layer of the top of the underpants cloth (1).

2. The sewing auxiliary device applied to the panty of claim 1, comprising a table (5), and a top of the table (5) is fixedly installed with an electric sewing machine (6), characterized in that: The rear of the table (5) is detachably installed with an auxiliary assembly (7).

3. The suturing aid device of claim 2, wherein: The auxiliary assembly (7) comprises a clamping seat (71), a screw rod and a handle (72) are screwedly installed at the bottom of the clamping seat (71), a clamping plate (73) is movably installed at the top of the screw rod and the handle (72), a vertical support (74) is fixedly installed at the top of the clamping seat (71), a mandrel (75) is fixedly installed on the surface of the vertical support (74), a coil (76) is sleeved on the outer side of the mandrel (75), and the elastic band strips (4) are wound on the coil (76).

4. The suturing aid device of claim 3, wherein: A moving seat (77) is arranged at the top of the clamping seat (71), strip-shaped holes (78) are formed in the surface of the moving seat (77), a locking screw rod (79) in fixed connection with the clamping seat (71) penetrates through the strip-shaped holes (78), a pressing plate (710) is sleeved on the outer side of the locking screw rod (79), and a locking nut (711) is threadedly connected to the outer side of the locking screw rod (79).

5. The suturing aid device of claim 4, wherein: A frame (712) is fixedly installed on the side of the moving seat (77), sliding blocks (713) are slidingly arranged on the two sides of the frame (712), shaft rods (714) are rotatably installed in the sliding blocks (713), roller shafts (715) are fixedly installed on the outer sides of the shaft rods (714), and protruding columns (716) are fixedly installed on the side walls of the sliding blocks (713) and the inner walls of the frame (712), springs (717) are clamped on the outer sides of the protruding columns (716).

6. The suturing aid device of claim 5, wherein: The elastic band strips (4) pass between the two roller shafts (715) and extend below the needle of the electric sewing machine (6).