Stitch length adjusting device for toy sewing machine

The design of the stitch length adjustment device solves the problem of low needle length adjustment efficiency in toy sewing machines, achieving efficient and precise stitch length adjustment.

CN223879992UActive Publication Date: 2026-02-06DONGGUAN NUOGAO GIFT CO LTD
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Patent Information

Application Number
CN202520390400.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-06
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Existing toy sewing machines require adjusting both needles simultaneously when adjusting the distance between them, resulting in inaccurate positioning and low efficiency.

Method used

The needle spacing adjustment device is adopted. The adjustment screw is driven to rotate by the drive component. Combined with the guide slider and guide groove hole, the distance between the positioning needle and the moving needle can be adjusted individually. The scale line is used to assist in precise adjustment.

Benefits of technology

It improves the accuracy and efficiency of needle distance adjustment, avoids the need to adjust two needles simultaneously, and achieves rapid positioning.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223879992U_ABST
Patent Text Reader

Abstract

The utility model discloses a stitch length adjusting device for a toy sewing machine, which comprises a machine base, a sewing machine main body with an L-shaped structure is arranged at the top end of the machine base, a needle and thread cylinder is arranged at the top end of the sewing machine main body, and a positioning machine needle and a movable machine needle connected through a stitch length adjusting mechanism are arranged on one side, close to the machine base, of the sewing machine main body; the needle pitch adjusting mechanism comprises an installation groove formed in the bottom end face of the sewing machine body, an adjusting screw rod is arranged in the installation groove, the adjusting screw rod is in threaded connection with a guide sliding block matched with the installation groove, and the movable machine needle is installed at the bottom end of the guide sliding block. The distance between the positioning machine needle and the movable machine needle can be conveniently adjusted, the adjusting efficiency is improved, the positioning machine needle is fixed, only the distance between the other machine needle and the positioning machine needle needs to be adjusted, the situation that the distance between the two machine needles needs to be adjusted at the same time, and the positioning efficiency is influenced is avoided, the machine needles can be rapidly positioned, and the working efficiency is improved. And the efficiency is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of toys, specifically for the toy sewing machine needle distance adjusting device. BACKGROUND

[0002] Inflatable toys refer to toys manufactured by using the tension of film material and the air pressure difference inside and outside the film. The storage volume of the inflatable toys is small after deflation, which is convenient for carrying and collecting. The inflatable toys have many characteristics, which are accepted by more and more people and cannot be separated from them. In addition, the development of outdoor large toys in recent years has driven the development of large inflatable toys to a certain extent. In addition, the rapid development of film technology as the outer material of inflatable toys and the wide use of PVC materials also effectively promote the development of the inflatable toy industry. Therefore, in recent years, the inflatable toys have maintained a good development speed. In addition to manufacturing inflatable toys, the concept of inflatable toys can also be used for outdoor sports equipment, travel equipment, such as inflatable sofas, inflatable pillows, inflatable beds, inflatable mattresses, etc.

[0003] When adjusting the distance between the two needles, the distance between the two needles is basically adjusted by adjusting the two needles at the same time at present. Since the two needles move at the same time, the needles need to be repositioned, which affects the use efficiency. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the defects in the prior art, the utility model provides a toy sewing machine needle distance adjusting device.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model is used for toy sewing machine needle distance adjusting device, including the base, the top of base installs the sewing machine main part of L shaped structure, the top of sewing machine main part is equipped with the needle cylinder, one side of sewing machine main part near base is equipped with the movable needle that the needle distance adjusting mechanism connects of positioning needle;

[0007] The needle distance adjusting mechanism includes an installation groove opened in the bottom end face of the sewing machine main body, an adjusting screw is arranged in the installation groove, a guide sliding block matched with the installation groove is threadedly connected to the adjusting screw, the movable needle is installed at the bottom end of the guide sliding block, and the positioning needle is arranged at one end of the installation groove.

[0008] As a preferred technical scheme of the utility model, the other end of the installation groove is provided with a driving assembly for driving the adjusting screw to rotate.

[0009] As a preferred technical scheme of the utility model, the driving assembly includes a driven gear arranged at one end of the adjusting screw, a driving groove is opened in the sewing machine main body and communicated with the installation groove, and a driving gear engaged with the driven gear is arranged in the driving groove.

[0010] As a preferred technical scheme of the utility model, the inside of the driving groove is provided with a speed reducer motor for driving the driving gear to rotate.

[0011] As a preferred technical scheme of the utility model, the bottom end of the sewing machine body is provided with a guide sliding groove hole for guiding the sliding of the movable needle.

[0012] As a preferred technical scheme of the utility model, the bottom end of the guide sliding groove hole is provided with a guide groove plate communicated with the guide sliding groove hole.

[0013] As a preferred technical scheme of the utility model, the outer wall of the guide groove plate is engraved with a scale line, and the place on the guide groove plate corresponding to the fixed needle is set as 0 scale.

[0014] The utility model has the advantages of:

[0015] The needle spacing adjusting device for the toy sewing machine can adjust the distance between the fixed needle and the movable needle, so that the fixed needle and the movable needle can adapt to the sewing of different toys, improving the practicability. When adjusting the needle spacing, the adjusting screw is rotated, the adjusting screw is in threaded connection with the guide sliding block, the guide sliding block moves along the direction of the mounting groove, so that the movable needle moves, and then the distance between the fixed needle and the movable needle is adjusted. The distance between the fixed needle and the movable needle can be adjusted conveniently, the adjusting efficiency is improved, and since the fixed needle is fixed, only the distance between the other needle and the fixed needle needs to be adjusted, so that the distance between the two needles does not need to be adjusted, the needle can be positioned quickly, and the efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0017] Figure 1 It is the structure schematic view of the utility model for the toy sewing machine needle spacing adjusting device;

[0018] Figure 2 It is the sectional view of the utility model for the toy sewing machine needle spacing adjusting device.

[0019] In the figure: 1, machine base; 2, sewing machine main body; 3, positioning machine needle; 4, needle spacing adjusting mechanism; 401, mounting groove; 402, adjusting screw; 403, guide sliding block; 404, driving assembly; 4041, driven gear; 4042, driving groove; 4043, driving gear; 4044, speed reduction motor; 405, guide sliding slot hole; 406, guide slot plate; 407, scale line; 5, movable machine needle. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0021] Embodiment: as shown in Figure 1 and Figure 2 The utility model is used for toy sewing machine needle spacing adjusting device, including machine base 1, the top of machine base 1 is installed with the L-shaped structure's sewing machine main body 2, and the top of sewing machine main body 2 is equipped with needle cylinder, one side of sewing machine main body 2 near machine base 1 is equipped with positioning machine needle 3 and movable machine needle 5 connected with needle spacing adjusting mechanism 4;The needle spacing adjusting mechanism 4 includes the installation groove 401 opened in the bottom end surface of sewing machine main body 2, the inside of installation groove 401 is equipped with adjusting screw 402, and the adjusting screw 402 is threadedly connected with the guide sliding block 403 matched with installation groove 401, and the movable machine needle 5 is installed at the bottom end of guide sliding block 403, and the positioning machine needle 3 is arranged at one end of installation groove 401, the distance between positioning machine needle 3 and movable machine needle 5 can be adjusted through the needle spacing adjusting mechanism 4 provided, so that positioning machine needle 3 and movable machine needle 5 adapt to the sewing use of different toys, improve practicality, when adjusting needle spacing, rotating adjusting screw 402, adjusting screw 402 is threadedly connected with guide sliding block 403, so that guide sliding block 403 moves along the direction of installation groove 401, thereby making movable machine needle 5 move, and then the distance between positioning machine needle 3 and movable machine needle 5 is adjusted, the distance between positioning machine needle 3 and movable machine needle 5 is adjusted, the adjusting efficiency is improved, and since the positioning machine needle 3 is fixed, only the distance between the other machine needle and the positioning machine needle 3 needs to be adjusted, the distance between the two machine needles needs to be adjusted, the machine needle can be quickly positioned, the efficiency is higher, and the thread adjusting precision is higher.

[0022] Another end of the mounting groove 401 is provided with a driving assembly 404 for driving the rotation of the adjusting screw 402, the driving assembly 404 comprises a driven gear 4041 arranged at one end of the adjusting screw 402, a driving groove 4042 is arranged on the sewing machine body 2 and communicates with the mounting groove 401, the inside of the driving groove 4042 is provided with a driving gear 4043 engaged with the driven gear 4041, the inside of the driving groove 4042 is provided with a speed reducer motor 4044 for driving the rotation of the driving gear 4043, the output shaft of the speed reducer motor 4044 drives the rotation of the driving gear 4043, the driving gear 4043 is engaged with the driven gear 4041, so that the driven gear 4041 rotates, and then the adjusting screw 402 rotates.

[0023] The bottom end of the sewing machine body 2 is provided with a guide sliding groove hole 405 for guiding the sliding of the movable needle 5, the bottom end of the guide sliding groove hole 405 is provided with a guide groove plate 406 communicating with the guide sliding groove hole 405, so that the movable needle 5 can be guided and has higher stability.

[0024] The outer wall of the guide groove plate 406 is engraved with a scale line 407, and the position of the guide groove plate 406 corresponding to the fixed needle 3 is set as 0 scale, so that the distance between the fixed needle 3 and the movable needle 5 can be quickly checked.

[0025] In use, the needle spacing adjusting device for the toy sewing machine can adjust the distance between the fixed needle 3 and the movable needle 5 through the needle spacing adjusting mechanism 4, so that the fixed needle 3 and the movable needle 5 can adapt to the sewing of different toys, and the practicability is improved. When adjusting the needle spacing, the adjusting screw 402 is rotated, the adjusting screw 402 is threadedly connected with the guide sliding block 403, the guide sliding block 403 moves along the direction of the mounting groove 401, so that the movable needle 5 moves, and then the distance between the fixed needle 3 and the movable needle 5 is adjusted. Therefore, the distance between the fixed needle 3 and the movable needle 5 can be adjusted conveniently, the adjusting efficiency is improved, and since the fixed needle 3 is fixed, only the distance between the other needle and the fixed needle 3 needs to be adjusted, so that the distance between the two needles does not need to be adjusted, the needle can be quickly positioned, and the efficiency is higher.

[0026] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A toy sewing machine stitch length adjusting device comprising a base (1), an L-shaped sewing machine body (2) is installed on the top end of the base (1), a needle bobbin is arranged on the top end of the sewing machine body (2), characterized in that, The sewing machine body (2) is provided with a positioning needle (3) and a movable needle (5) connected with the needle spacing adjusting mechanism (4) on one side close to the machine base (1); The needle spacing adjusting mechanism (4) comprises a mounting groove (401) opened in the bottom end face of the sewing machine body (2), the inside of the mounting groove (401) is provided with an adjusting screw rod (402), the adjusting screw rod (402) is threadedly connected with a guide sliding block (403) matched with the mounting groove (401), the movable needle (5) is mounted at the bottom end of the guide sliding block (403), and the positioning needle (3) is arranged at one end of the mounting groove (401).

2. The stitch length adjustment device for a toy sewing machine according to claim 1, wherein The other end of the mounting groove (401) is provided with a driving assembly (404) for driving the adjusting screw rod (402) to rotate.

3. The stitch length adjustment device for a toy sewing machine according to claim 2, wherein The driving assembly (404) comprises a driven gear (4041) arranged at one end of the adjusting screw rod (402), the sewing machine body (2) is provided with a driving groove (4042) communicated with the mounting groove (401), and the inside of the driving groove (4042) is provided with a driving gear (4043) engaged with the driven gear (4041).

4. The stitch length adjustment device for a toy sewing machine according to claim 3, wherein The inside of the driving groove (4042) is provided with a speed reduction motor (4044) for driving the driving gear (4043) to rotate.

5. The stitch length adjustment device for a toy sewing machine according to claim 1, wherein The bottom end of the sewing machine body (2) is provided with a guide sliding groove hole (405) for guiding the movable needle (5) to slide.

6. The stitch length adjustment device for a toy sewing machine according to claim 5, wherein The bottom end of the guide sliding groove hole (405) is provided with a guide groove plate (406) communicated with the guide sliding groove hole (405).

7. The stitch length adjustment device for a toy sewing machine according to claim 6, wherein The outer wall of the guide groove plate (406) is engraved with a scale line (407), and the position of the guide groove plate (406) corresponding to the positioning needle (3) is set as 0 scale.