Hanging rope structure and sound box

The hanging rope structure for portable speakers addresses the weakness of plastic shells by using a metal axis with a fixed mechanism, enhancing durability and efficiency while reducing costs.

CN223110124UActive Publication Date: 2025-07-15GANZHOU DEHUIDA TECH CO LTD
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Patent Information

Application Number
CN202421726766.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-07-15
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The lanyard shaft of the existing portable audio is prone to breakage, and has low production efficiency, high cost and inconvenient assembly.

Method used

A lanyard structure including a shell, a cover, a lanyard and a hanging shaft is designed. By setting a limiting groove and a limiting portion of the hanging shaft on the shell, the cover is used to fix the hanging shaft to avoid its rotation and displacement. The hanging shaft is made of metal material to improve strength.

Benefits of technology

It improves the strength and tensile resistance of the lanyard shaft, reduces production costs, improves production efficiency and assembly convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model brings forward a hanging rope structure and a sound box, the hanging rope structure comprises a housing, a cover body, a hanging rope and a hanging shaft, one end of the housing is provided with a spacing groove, and the hanging shaft is arranged in the spacing groove; the cover body is connected with the shell and is arranged above the limiting groove in a covering manner; the hanging shaft comprises a connecting part and a first limiting part, the connecting part is arranged in the limiting groove, the first limiting part extends from one end of the connecting part to the height direction of the limiting groove, and the first limiting part abuts against the groove wall of the limiting groove; an avoiding hole for exposing the connecting part is formed in the side face of the shell, and the hanging rope penetrates through the avoiding hole to be connected with the connecting part. According to the rope hanging structure, the first limiting part of the hanging shaft abuts against the groove wall of the limiting groove, so that the hanging shaft is prevented from rotating in the limiting groove.
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Description

Technical Field

[0001] The utility model relates to the technical field of lanyards, in particular to a lanyard structure and a speaker. Background Art

[0002] A portable speaker is powered by an independent power supply. For the convenience of portability, various portable speakers on the market are connected with a lanyard on the shell. Generally, the lanyard shaft on the existing speaker is integrated with the product plastic shell. However, since the plastic shell is a plastic part with relatively low strength, it cannot pass a strict tensile test, and the lanyard shaft is prone to break during suspension. When the lanyard shaft is a cylindrical metal shaft in the prior art, the lanyard shaft is generally processed by a lathe. In order to achieve the purpose of anti-rotation, knurling treatment is required after lathe work. The unit price of the product is high, and it is not easy to position during assembly, resulting in low production efficiency. Content of the Utility Model

[0003] Aiming at the above problems in the prior art, the utility model provides a lanyard structure, which can prevent the lanyard shaft from rotating in the shell.

[0004] The utility model provides a lanyard structure, including a shell, a cover body, a lanyard and a hanging shaft. A limiting groove is arranged at one end of the shell, and the hanging shaft is arranged in the limiting groove; the cover body is connected with the shell and covers above the limiting groove;

[0005] The hanging shaft includes a connecting part and a first limiting part. The connecting part is arranged in the limiting groove, and the first limiting part extends from one end of the connecting part in the height direction of the limiting groove. The first limiting part abuts against the groove wall of the limiting groove;

[0006] An avoidance hole exposing the connecting part is arranged on the side surface of the shell, and the lanyard passes through the avoidance hole and is connected with the connecting part.

[0007] Optionally, the hanging shaft further includes a second limiting part. The second limiting part is arranged at one end of the connecting part far from the first limiting part. The second limiting part extends from one end of the connecting part in the height direction of the limiting groove. The second limiting part abuts against the groove wall of the limiting groove, and the extending directions of the first limiting part and the second limiting part are the same or opposite.

[0008] Optionally, the limiting groove includes a first limiting wall, a second limiting wall, and two third limiting walls. The avoidance hole penetrates through the first limiting wall, and the first limiting wall is disposed opposite to the second limiting wall; the third limiting walls are connected between the first limiting wall and the second limiting wall, and the two third limiting walls are disposed opposite to each other; the first limiting wall, the second limiting wall, and the two third limiting walls all extend in the vertical direction, and the first limiting portion and the second limiting portion are respectively in contact with the first limiting wall, the second limiting wall, and the third limiting walls.

[0009] Optionally, the connecting portion is disposed parallel to the cover body, the first limiting portion and the second limiting portion are respectively disposed perpendicular to the connecting portion, and the ends of the first limiting portion and the second limiting portion are in contact with the cover body.

[0010] Optionally, the lanyard structure further includes a pressing block, the pressing block is disposed in the limiting groove, a surface of the pressing block facing the connecting portion is in contact with the connecting portion, and a surface of the pressing block facing away from the connecting portion is in contact with the cover body.

[0011] Optionally, an abutting groove is disposed on a surface of the pressing block facing the connecting portion, and the abutting groove is arc-shaped.

[0012] Optionally, a receiving groove for receiving the pressing block is disposed on a side of the limiting groove away from the avoidance hole, the receiving groove communicates with the limiting groove, and a projection of an outer edge of the receiving groove in a plane where the avoidance hole is located is within the limiting groove.

[0013] Optionally, the hanging shaft is a metal hanging shaft.

[0014] Optionally, a connecting column is disposed at one end of the housing, and the cover body is threadedly connected to the connecting column by a bolt.

[0015] On the other hand, the present invention further provides a sound box, including the lanyard structure according to any one of the above.

[0016] In the present invention, the hanging shaft connects the lanyard through a first connecting portion, and the first limiting plate abuts against the groove wall of the limiting groove on the housing to prevent the connecting portion from rotating. By providing a cover plate to cover above the limiting groove, the hanging shaft is fixed in the limiting groove to prevent the hanging shaft from moving out of the limiting groove. Compared with a cylindrical metal shaft, the hanging shaft structure in the present invention does not require lathe processing and knurling treatment, has high production efficiency, low cost, and is convenient for assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of a lanyard structure provided by an embodiment of the present invention;

[0018] Figure 2 It is a schematic cross-sectional structure diagram of a lanyard structure provided by an embodiment of the present utility model;

[0019] Figure 3 It is an exploded structure diagram of a lanyard structure provided by an embodiment of the present utility model;

[0020] Figure 4 is Figure 3 a partial enlarged schematic diagram at position A in

[0021] Figure 5 It is a schematic structure diagram of a pressing block of a lanyard structure provided by an embodiment of the present utility model.

[0022] The reference numerals in the accompanying drawings of the specification are as follows:

[0023] 1. Housing; 11. Limit groove; 111. First limit wall; 112. Second limit wall; 113. Third scattered limit wall; 12. Avoidance hole; 13. Accommodation groove; 14. Connecting column;

[0024] 2. Cover body;

[0025] 3. Lanyard;

[0026] 4. Hanging shaft; 41. Connecting part; 42. First limit part; 43. Second limit part;

[0027] 5. Pressing block; 51. Abutting groove. Detailed implementation manners

[0028] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] In order to illustrate the technical solution of the present utility model, it will be described below through specific embodiments.

[0030] As Figures 1 - 5 shown, a lanyard structure of an embodiment of the present utility model includes a housing 1, a cover body 2, a lanyard 3 and a hanging shaft 4. A limit groove 11 is provided at one end of the housing 1, and the hanging shaft 4 is arranged in the limit groove 11. The cover body 2 is connected to the housing 1 and covers the limit groove 11.

[0031] The hanging shaft 4 includes a connecting part 41 and a first limit part 42. The connecting part 41 is arranged in the limit groove 11, and the first limit part 42 extends from one end of the connecting part 41 in the height direction of the limit groove 11, and the first limit part 42 abuts against the groove wall of the limit groove 11.

[0032] An avoidance hole 12 exposing the connecting portion 41 is provided on the side surface of the housing 1, and the lanyard 3 passes through the avoidance hole 12 and is connected to the connecting portion 41.

[0033] In this embodiment, the hanging shaft 4 is connected to the lanyard 3 by providing a first connecting portion 41, and the first limiting plate abuts against the groove wall of the limiting groove 11 on the housing 1 to prevent the connecting portion 41 from rotating. By providing a cover plate covering the upper part of the limiting groove 11, the hanging shaft 4 is fixed in the limiting groove 11 to prevent the hanging shaft 4 from moving out of the limiting groove 11. Compared with the cylindrical metal shaft, the structure of the hanging shaft 4 in the present utility model does not require lathe processing and knurling treatment, has high production efficiency, low cost, and is convenient for assembly.

[0034] As Figure 2 shown, in some embodiments of the present utility model, the hanging shaft 4 further includes a second limiting portion 43, the second limiting portion 43 is provided at one end of the connecting portion 41 away from the first limiting portion 42, the second limiting portion 43 extends from one end of the connecting portion 41 in the height direction of the limiting groove 11, the second limiting portion 43 abuts against the groove wall of the limiting groove 11, and the first limiting portion 42 and the second limiting portion 43 extend in the same or opposite directions. Specifically, by providing the second limiting portion 43, the hanging shaft 4 is uniformly stressed in the limiting groove 11. The overall shape of the hanging shaft 4 is U-shaped or stepped, and the included angles between the first limiting portion 42 and the second limiting portion 43 and the connecting portion 41 are greater than 0° and less than 180°. The shape of the limiting groove 11 matches the shape of the hanging shaft 4.

[0035] As Figure 2 shown, in some embodiments of the present utility model, the limiting groove 11 includes a first limiting wall 111, a second limiting wall 112 and two third limiting walls 113, the avoidance hole 12 penetrates through the first limiting wall 111, and the first limiting wall 111 and the second limiting wall 112 are oppositely arranged. The third limiting walls 113 are connected between the first limiting wall 111 and the second limiting wall 112, and the two third limiting walls 113 are oppositely arranged. The first limiting wall 111, the second limiting wall 112 and the two third limiting walls 113 all extend in the vertical direction, and the first limiting portion 42 and the second limiting portion 43 respectively abut against the first limiting wall 111, the second limiting wall 112 and the third limiting wall 113.

[0036] It should be noted here that the groove wall of the limiting groove 11 is not limited to extending in the vertical direction, and can also be inclined as long as the first limiting portion 42 and the second limiting portion 43 are in contact with the groove wall of the limiting groove 11. By providing the first limiting wall 111 and the second limiting wall 112, the connecting portion 41 is prevented from rotating in the limiting groove 11, and by providing the second limiting arm, the hanging shaft 4 is prevented from moving along the length direction of the limiting groove 11 in the limiting groove 11.

[0037] As Figure 2 shown, in some embodiments of the present invention, the connecting portion 41 is arranged in parallel with the cover body 2, the first limiting portion 42 and the second limiting portion 43 are respectively arranged perpendicular to the connecting portion 41, and the ends of the first limiting portion 42 and the second limiting portion 43 are in contact with the cover body 2. By the cover body 2 being in contact with the ends of the first limiting portion 42 and the second limiting portion 43, the hanging shaft 4 is prevented from moving in the vertical direction in the limiting groove 11.

[0038] As Figure 2 shown, in some embodiments of the present invention, the hanging rope structure further includes a pressing block 5, the pressing block 5 is arranged in the limiting groove 11, the surface of the pressing block 5 facing the connecting portion 41 is in contact with the connecting portion 41, and the surface of the pressing block 5 facing away from the connecting portion 41 is in contact with the cover body 2. By providing the pressing block 5 to limit the connecting portion 41 of the hanging shaft 4, the connecting portion 41 is prevented from displacing in the limiting groove 11.

[0039] As Figure 2 shown, in some embodiments of the present invention, the surface of the pressing block 5 facing the connecting portion 41 is provided with an abutting groove 51, the abutting groove 51 is arranged in an arc shape and fits the surface of the connecting portion 41, which is convenient for fixing the connecting portion 41.

[0040] As Figure 2 shown, in some embodiments of the present invention, a receiving groove 13 for receiving the pressing block 5 is provided on one side of the limiting groove 11 away from the avoiding hole 12, the receiving groove 13 is communicated with the limiting groove 11, and the outer edge of the receiving groove 13 is projected in the plane where the avoiding hole 12 is located within the limiting groove 11, so as not to affect the limiting of the first limiting portion 42 and the second limiting portion 43 by the second limiting wall 112.

[0041] As Figure 2 shown, in some embodiments of the present invention, the hanging shaft 4 is a metal hanging shaft 4, which improves the strength of the hanging shaft 4, improves the compressive capacity of the hanging shaft 4, and meets the high - requirement tensile test.

[0042] As Figure 2As shown, in some embodiments of the present utility model, a connecting column 14 is provided at one end of the housing 1, and the cover 2 is threadedly connected to the connecting column 14 by bolts, facilitating the assembly of the hanging shaft 4.

[0043] On the other hand, the present utility model also provides an audio device, including the hanging rope structure in any of the above embodiments.

[0044] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model, and should all be included within the protection scope of the present utility model.

Claims

1. A lanyard structure, characterized in that, It includes a shell, a cover, a hanging rope and a hanging shaft, wherein a limiting groove is arranged at one end of the shell, and the hanging shaft is arranged in the limiting groove; the cover is connected to the shell, and the cover is arranged above the limiting groove; The hanging shaft includes a connecting portion and a first limiting portion, wherein the connecting portion is disposed in the limiting groove, the first limiting portion extends from one end of the connecting portion in a height direction of the limiting groove, and the first limiting portion abuts against a groove wall of the limiting groove; The side surface of the shell is provided with an escape hole exposing the connecting portion, and the hanging rope passes through the escape hole and is connected to the connecting portion.

2. The lanyard structure according to claim 1, wherein The hanging shaft also includes a second limiting portion, which is arranged at one end of the connecting portion away from the first limiting portion, and the second limiting portion extends from one end of the connecting portion to the height direction of the limiting groove, and the second limiting portion abuts against the groove wall of the limiting groove, and the extension directions of the first limiting portion and the second limiting portion are the same or opposite.

3. The lanyard structure according to claim 2, characterized in that, The limiting groove includes a first limiting wall, a second limiting wall and two third limiting walls, the avoidance hole passes through the first limiting wall, and the first limiting wall and the second limiting wall are arranged opposite to each other; the third limiting wall is connected between the first limiting wall and the second limiting wall, and the two third limiting walls are arranged opposite to each other; the first limiting wall, the second limiting wall and the two third limiting walls all extend in the vertical direction, and the first limiting portion and the second limiting portion are respectively abutted against the first limiting wall, the second limiting wall and the third limiting wall.

4. The lanyard structure according to claim 2, wherein, The connecting portion is arranged in parallel with the cover body, the first limiting portion and the second limiting portion are respectively arranged perpendicular to the connecting portion, and ends of the first limiting portion and the second limiting portion abut against the cover body.

5. The lanyard structure according to claim 1, wherein The hanging rope structure also includes a pressing block, which is arranged in the limiting groove, and a side of the pressing block facing the connecting part abuts against the connecting part, and a side of the pressing block facing away from the connecting part abuts against the cover body.

6. The lanyard structure according to claim 5, wherein, A contact groove is arranged on one side of the pressing block facing the connecting portion, and the contact groove is arranged in an arc shape.

7. The lanyard structure according to claim 5, characterized in that, A receiving groove for receiving the pressing block is arranged on one side of the limiting groove away from the avoiding hole, the receiving groove is communicated with the limiting groove, and the projection of the outer edge of the receiving groove on the plane where the avoiding hole is located is located in the limiting groove.

8. The lanyard structure according to claim 1, wherein The hanging scroll is a metal hanging scroll.

9. The lanyard structure according to claim 1, wherein, A connecting column is arranged at one end of the shell, and the cover body is threadedly connected to the connecting column by bolts.

10. An audio device, characterized in that, The invention comprises the lanyard structure as described in any one of claims 1 to 9.