Needle adjusting assembly
By designing a needle adjustment component and adopting powder metallurgy die-casting molding method, the existing needle torque regulator materials are large and the production costs are high, and the effect of reducing production costs and improving production efficiency is achieved.
Patent Information
- Application Number
- CN202422202974.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-09
AI Technical Summary
The existing needle torque regulators are cast in pig iron, resulting in large waste of materials and high production costs.
A needle adjustment component is designed, using structures such as adjustment parts, bosses, connectors and adjustment blocks. The whole is made of powder metallurgy die-casting to form an integrated structure for easy production and processing.
Through the powder metallurgy die-casting process, production costs are reduced, production efficiency is improved, material waste is reduced, and material utilization is improved.
Smart Images
Figure CN223033628U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewing machine accessories, and particularly relates to a needle adjusting assembly. Background Art
[0002] A sewing machine forms one or more stitches on a sewing material by using one or more sewing threads, so that one or more layers of sewing materials are interwoven or sewn together. This machine can sew a variety of materials, including fabrics such as cotton, linen, silk, wool, and artificial fibers, as well as products such as leather, plastic, and paper. The stitches sewn are neat, beautiful, flat and firm, the sewing speed is fast and it is easy to use. The invention and development of the sewing machine have greatly improved the sewing efficiency, changed the traditional sewing method, and become an indispensable equipment in the modern textile industry.
[0003] The stitch pitch, that is, the spacing of the stitches during sewing, is an important parameter in the operation of a sewing machine. Adjusting the stitch pitch can adapt to different sewing needs, such as sewing fabrics of different thicknesses and materials, and producing different sewing effects. If the stitch distance is too small, it can be achieved by adjusting the screws on the stitch pitch disc. The existing stitch pitch regulators are cast from pig iron, which wastes a large amount of materials and has high production costs. Therefore, a needle adjusting assembly is needed. Content of the Utility Model
[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a needle adjusting assembly, which can solve the problems that the existing stitch pitch regulators are cast from pig iron, with large material waste and high production costs.
[0005] To achieve the above purpose, the utility model provides the following technical solution: a needle adjusting assembly, including an adjusting member, a boss is fixedly connected to the surface of the adjusting member, a connecting member is fixedly connected to the surface of the adjusting member, an adjusting block is fixedly connected to the surface of the connecting member, a second opening is formed on the surface of the adjusting block, a first opening is formed on the surface of the boss, the diameter of the boss is exactly the same as the width of the adjusting member, a second arc groove is formed on the surface of the adjusting member, a first arc groove is formed on the surface of the adjusting member, a circular groove is formed on the surface of the adjusting member, and a hexagon bolt is threadedly connected inside the circular groove.
[0006] Preferably, the inside of the circular groove is communicated with the first arc groove.
[0007] Preferably, the second arc groove is communicated with the first arc groove, and the width of the second arc groove is larger than that of the first arc groove.
[0008] Preferably, the shape of the adjusting member is arc-shaped.
[0009] Preferably, the shapes of the first arc groove and the second arc groove are the same as that of the adjusting member.
[0010] Preferably, the diameter of the first opening is greater than that of the second opening.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. For the needle adjusting assembly, the adjusting member and the boss are of an integral structure. The integral molding structure facilitates the overall production and processing. The adjusting assembly is integrally formed by powder metallurgy die casting, which can reduce production costs and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present utility model will be further described below in conjunction with the drawings and embodiments:
[0014] Figure 1 is a schematic diagram of the body of the present utility model;
[0015] Figure 2 is a schematic diagram of the arc groove of the present utility model.
[0016] Reference numerals: 1, adjusting member; 2, boss; 3, first opening; 4, connecting member; 5, adjusting block; 6, second opening; 7, first arc groove; 8, second arc groove; 9, circular groove; 10, hexagon bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it should not be construed as a limitation on the protection scope of the present utility model.
[0018] In the description of the present utility model, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 construed as a limitation on the present utility model.
[0019] In the description of the present utility model, "greater than", "less than", "exceeding", etc. are understood as not including the number itself, and "above", "below", "within", etc. are understood as including the number itself. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.
[0020] In the description of the present utility model, unless otherwise clearly defined, terms such as "arrangement", "installation", "connection", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.
[0021] Please refer to Figure 1-2 , the present utility model provides a technical solution: a needle adjusting assembly, including an adjusting member 1, a boss 2 is fixedly connected to the surface of the adjusting member 1, a connecting member 4 is fixedly connected to the surface of the adjusting member 1, an adjusting block 5 is fixedly connected to the surface of the connecting member 4, a second opening 6 is provided on the surface of the adjusting block 5, a first opening 3 is provided on the surface of the boss 2, the diameter of the boss 2 is exactly the same as the width of the adjusting member 1, a second arc-shaped groove 8 is provided on the surface of the adjusting member 1, a first arc-shaped groove 7 is provided on the surface of the adjusting member 1, a circular groove 9 is provided on the surface of the adjusting member 1, and a hexagon bolt 10 is threadedly connected inside the circular groove 9.
[0022] Furthermore, the inside of the circular groove 9 is communicated with the first arc-shaped groove 7, the second arc-shaped groove 8 is communicated with the first arc-shaped groove 7, and the width of the second arc-shaped groove 8 is larger than that of the first arc-shaped groove 7. The shape of the adjusting member 1 is arc-shaped, and the shapes of the first arc-shaped groove 7 and the second arc-shaped groove 8 are the same as that of the adjusting member 1. The diameter of the first opening 3 is larger than that of the second opening 6. The adjusting member 1 and the boss 2 are of an integral structure. The integral forming structure is convenient for the overall production and processing. The circular groove 9 and the hexagon bolt 10 can enhance the fixing of the device to the adjusting shaft. The stability is adjusted by adjusting the tightness of the hexagon bolt 10. The whole adjusting assembly is made by powder metallurgy die casting, which can reduce the production cost and improve the production efficiency. The powder metallurgy process can realize near-net forming and automated batch production, thus effectively reducing production and energy consumption. Since powder raw materials are used, the raw materials can be utilized to the maximum extent, reducing waste and improving the material utilization rate.
[0023] Working principle: The adjusting member 1 and the boss 2 are of an integral structure. The integral forming structure is convenient for the overall production and processing. The circular groove 9 and the hexagon bolt 10 can enhance the fixing of the device to the adjusting shaft. The stability is adjusted by adjusting the tightness of the hexagon bolt 10. The whole adjusting assembly is made by powder metallurgy die casting, which can reduce the production cost and improve the production efficiency.
[0024] The above has described the embodiments of the present utility model in detail with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the knowledge scope of those ordinary skilled in the art in the technical field, various changes can be made without departing from the purpose of the present utility model.
Claims
1. A needle adjustment assembly, comprising an adjustment member (1), characterized in that: The surface of the adjusting member (1) is fixedly connected with a boss (2), the surface of the adjusting member (1) is fixedly connected with a connecting member (4), the surface of the connecting member (4) is fixedly connected with an adjusting block (5), the surface of the adjusting block (5) is provided with a second opening (6), the surface of the boss (2) is provided with a first opening (3), the diameter of the boss (2) is completely the same as the width of the adjusting member (1), the surface of the adjusting member (1) is provided with a second arc groove (8), the surface of the adjusting member (1) is provided with a first arc groove (7), the surface of the adjusting member (1) is provided with a circular groove (9), and the internal thread of the circular groove (9) is connected with a hexagonal bolt (10).
2. A needle adjustment assembly according to claim 1, characterized in that: The interior of the circular groove (9) is communicated with the first arc-shaped groove (7).
3. The needle adjustment assembly according to claim 1, characterized in that: The second arc-shaped groove (8) is connected to the first arc-shaped groove (7), and the width of the second arc-shaped groove (8) is greater than that of the first arc-shaped groove (7).
4. The needle adjustment assembly according to claim 1, characterized in that: The adjusting member (1) is in an arc shape.
5. The needle adjustment assembly according to claim 1, characterized in that: The shapes of the first arc-shaped groove (7) and the second arc-shaped groove (8) are the same as those of the adjusting member (1).
6. The needle adjustment assembly according to claim 1, characterized in that: The diameter of the first opening (3) is larger than that of the second opening (6).