Earphone sliding arm and earphone
By optimizing the structural design and material selection of the headphone's sliding arm, the problem of poor wearing comfort in over-ear headphones has been solved, resulting in a better fit and noise reduction performance, thus improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONG GUAN C&I METAL CO LTD
- Filing Date
- 2025-05-08
- Publication Date
- 2026-06-16
AI Technical Summary
The sliding arm design of existing headphones results in poor wearing comfort, especially the poor fit between the earcups and the ears, which affects the user experience.
Design an earphone sliding arm with an angle of 150°-160° between the connecting section and the sliding section. Equipped with a limiting component and a foolproof part, it ensures that the sliding arm better fits the user's head contour when worn. The operation feel and stability are improved by optimizing materials and surface treatment.
It improves the wearing comfort and acoustic noise reduction of the headphones, reduces the gap between the earcups and the ears, and enhances the user experience.
Smart Images

Figure CN224367930U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of headphone technology, and in particular to a headphone sliding arm and a headphone. Background Technology
[0002] Over-ear headphones are headphones that are worn on the head, not inserted into the ear canal. They offer a good soundstage, high comfort, and prevent ear canal chafing. The sound quality across high, mid, and low frequencies is excellent. Over-ear headphones mainly consist of a headband, sliding arms, front and rear earcups, and speakers. By adjusting the sliding arms, the size of the headphones can be adjusted to suit various body types, achieving both comfort and universality.
[0003] Over-ear headphones generally consist of a headband and earcups. To accommodate different head sizes, they typically include a sliding arm. One end of the sliding arm is vertically inserted into the headband and slides relative to it. The earcups are located at the other end of the sliding arm and move with it, thus adjusting the headphone size. However, a utility model patent with application number 201620823055.7 discloses a hollow tube and cap connection structure, an earphone sliding arm, and earphones. In this patent, the sliding arm is a straight tube, and the earcups are connected to one end. When worn, the sliding arm and earcups do not fit the user's head well, affecting the comfort of wearing the headphones. Summary of the Invention
[0004] The primary objective of this invention is to provide a headphone sliding arm that can improve headphone wearing comfort.
[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0006] An earphone sliding arm includes a connecting section for connecting to an earphone earcup and a sliding section for sliding to connect to an earphone ear strap. The connecting section and the sliding section are connected. One end of the connecting section connected to the earphone earcup extends towards the side closer to the user's ear, such that the connection point of the connecting section and the sliding section forms an angle A, the angle A being 150°-160°.
[0007] Furthermore, a limiting member is provided at the end of the sliding segment away from the connecting segment. The limiting member includes a limiting ring sleeved on the end of the sliding segment and a first protrusion protruding from the side of the limiting ring.
[0008] Furthermore, a second protrusion is provided on the side of the limiting ring body, and the second protrusion and the first protrusion are symmetrically arranged along the center of the limiting ring body.
[0009] Furthermore, the limiting member has a first fixing hole that passes through the first protrusion and the second protrusion, and the sliding segment has a second fixing hole that communicates with the first fixing hole.
[0010] Furthermore, the inner walls of the first and second fixing holes are provided with threaded structures.
[0011] Furthermore, the end of the limiting ring away from the connecting section protrudes outward to form a flange.
[0012] Furthermore, a foolproof part is provided at the end of the sliding segment away from the connecting segment, and the limiting ring body is inserted and engaged with the foolproof part.
[0013] Furthermore, the error-proof part is cylindrical, and the two opposite sides of the error-proof part are flat.
[0014] The second objective of this invention is to provide an earphone that includes the aforementioned sliding arm.
[0015] The beneficial effects of this invention are as follows: By setting the angle between the connecting section and the sliding section of the sliding arm to 150°-160°, the central axis of the connecting section can approach the natural orientation of the user's ear when worn. The part of the sliding section near the connecting section can better fit the temporal bone region of the user's head. This allows the earcups of the headphones to fit the user's ears more closely, reducing the gap between the earcups and the ears, improving wearing comfort, and enhancing the acoustic noise reduction effect of the headphones. Compared with the straight tube structure of the sliding arm in the prior art, this invention optimizes the structural angle of the sliding arm, allowing the entire headphone to more naturally fit the head contours of different users during wear, avoiding the pressure or looseness caused by unreasonable structural design, thereby improving the user experience. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a structural schematic diagram from a first perspective of an embodiment of the present utility model;
[0018] Figure 2 This is a structural schematic diagram from a second perspective of an embodiment of the present invention;
[0019] Figure 3 This is a structural schematic diagram from a third perspective of an embodiment of the present invention.
[0020] Explanation of reference numerals in the attached drawings: 10, connecting section; 11, snap-fit part; 12, snap-fit groove; 20, sliding section; 30, limiting member; 31, limiting ring body; 32, first protrusion; 33, second protrusion; 34, first fixing hole; 35, flange. Detailed Implementation
[0021] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.
[0022] Example
[0023] like Figure 1-3 As shown, the present invention provides an earphone sliding arm, which includes a connecting section 10 for connecting the earphone earcups and a sliding section 20 for slidingly connecting the earphone ear straps. The connecting section 10 and the sliding section 20 are integrally formed or fixedly connected by welding or other means. One end of the connecting section 10 that connects to the earphone earcups extends towards the side closer to the user's ear, so that the connection point of the connecting section 10 and the sliding section 20 forms an angle A, the size of which is 150°-160°.
[0024] This invention sets the included angle between the connecting section 10 and the sliding section 20 of the sliding arm to 150°-160°. When worn, the central axis of the connecting section 10 is close to the natural orientation of the user's ear, while the portion of the sliding section 20 near the connecting section 10 better conforms to the temporal bone region of the user's head. This allows the earcups to fit more snugly against the user's ears, reducing the gap between the earcups and the ears, improving wearing comfort, and enhancing the acoustic noise reduction effect of the headphones. Compared to the straight-tube structure of sliding arms in existing technologies, this invention optimizes the structural angle of the sliding arm, enabling the headphones to more naturally conform to the head contours of different users during wear, avoiding pressure or looseness caused by unreasonable structural design, thereby improving the user experience.
[0025] Preferably, the included angle A is 154°-158°. Within this angle range, the central axis of the connecting segment 10 can be closer to the natural orientation of the user's ear when wearing the device, while the part of the sliding segment 20 near the connecting segment 10 can better fit the temporal bone region of the user's head, thereby effectively improving the fit of the earmuff to the ear, reducing the gap between the earmuff and the ear, enhancing noise reduction performance, and significantly improving wearing comfort.
[0026] Furthermore, in this embodiment, the sliding arm can be made of lightweight yet high-strength aluminum alloy, which not only possesses good mechanical strength but is also lightweight, helping to reduce the overall weight of the device and improve wearing comfort. The connecting section 10 and the sliding section 20 can be integrally formed through precision machining or can be firmly connected through processes such as welding, ensuring structural stability while facilitating mass production.
[0027] To enable the sliding adjustment function, the sliding section 20 is designed to match the internal guide rail of the headband, for example, by using a cylindrical cross-section, to ensure smooth sliding within the headband. To further reduce frictional resistance and extend service life, a low-friction coefficient coating material, such as Teflon (PTFE) or other wear-resistant lubricating materials, can be applied to the surface of the sliding section 20. This also helps improve the user's handling feel when adjusting the headphone size.
[0028] Furthermore, a limiting member 30 is provided at the end of the sliding segment 20 away from the connecting segment 10. The limiting member 30 includes a cylindrical limiting ring 31 sleeved on the end of the sliding segment 20 and a first protrusion 32 protruding from the side of the limiting ring 31.
[0029] This invention, by setting a limiting member 30, prevents the headphone sliding arm from rotating during the sliding motion, ensuring that the headphone sliding arm always maintains a single direction. Consequently, when the headphones are worn, the earcups connected to the sliding arm can always face the user's ears, allowing the earcups to fit snugly against the user's ears, reducing the gap between the earcups and the ears, and improving wearing comfort.
[0030] In the embodiments, in addition to the cylindrical limiting ring 31 structure, a limiting sleeve structure with a square, elliptical or polygonal cross section can also be used to match guide rail slots of different shapes and increase installation flexibility.
[0031] Furthermore, a second protrusion 33 is also provided on the side of the limiting ring 31, and the second protrusion 33 and the first protrusion 32 are symmetrically arranged along the center of the limiting ring 31. This symmetrical structural design not only enhances the structural strength of the limiting member 30, but also achieves bidirectional limiting during assembly, preventing the sliding arm from shifting or loosening during movement, while providing a more stable foundation for the subsequent installation of fasteners.
[0032] Furthermore, the limiting member 30 has a first fixing hole 34, which passes through the first protrusion 32 and the second protrusion 33. The sliding segment 20 has a second fixing hole communicating with the first fixing hole 34. The design of the first fixing hole 34 and the second fixing hole facilitates the use of screws or other fasteners to securely install the limiting member 30 onto the sliding segment 20, ensuring assembly accuracy and overall structural stability. When assembling the limiting member 30 and the sliding arm, firstly, the limiting member 30 is inserted into the end of the sliding segment 20, aligning the first fixing hole 34 on the limiting member 30 with the second fixing hole on the sliding segment 20. Then, screws or other fasteners are used to pass through the first fixing hole 34 and the second fixing hole to fix the limiting member 30 and the sliding arm. The fixing method is simple and easy to assemble and disassemble.
[0033] Furthermore, in order to improve the stability of the limiting member 30 and the sliding section 20, the inner walls of the first fixing hole 34 and the second fixing hole are provided with threaded structures. Thus, when assembling the limiting member 30 and the sliding arm, it is only necessary to directly insert the limiting member 30 into the end of the sliding section 20, and then align the first fixing hole 34 and the second fixing hole, and screw the locking stud into the first fixing hole 34. The assembly is more convenient and simple, and the connection is more stable.
[0034] In some embodiments, the limiting member 30 can be replaced with a component with a magnet, which engages with the metal parts on the headphone headband through magnetic attraction, enabling screwless quick assembly and disassembly, thus improving the user experience.
[0035] Furthermore, the end of the limiting ring 31 away from the connecting section 10 protrudes outward to form a flange 35. When the sliding arm is pulled, the flange 35 on the sliding section 20 can make point contact with the headphone headband, reducing the contact area between the sliding arm and the headphone headband, reducing the pulling resistance, and improving the pulling feel.
[0036] Furthermore, to prevent the limiting component 30 from having an incorrect orientation during assembly and to improve the installation efficiency of the limiting component 30, a foolproof part is provided at the end of the sliding section 20 away from the connecting section 10, and the limiting ring 31 is inserted into the foolproof part.
[0037] Furthermore, the anti-misalignment part is cylindrical, and its two opposite sides are flat. This structural design ensures that the limiting member 30 can only be installed in the correct direction, avoiding misinstallation and improving assembly efficiency and consistency. Specifically, the second fixing hole is provided on the two flat surfaces of the anti-misalignment part.
[0038] Furthermore, the end of the connecting segment 10 used to connect the earmuff is provided with a snap-fit part 11 for snap-fitting with the earmuff. The snap-fit part 11 is provided with a plurality of snap-fit grooves 12. The snap-fit grooves 12 are recessed along the outer wall of the connecting segment 10 to form an annular groove. In this embodiment, a plurality of snap-fit grooves 12 are provided. The provision of a plurality of snap-fit grooves 12 is beneficial to improving the assembly stability of the earmuff and the sliding arm and preventing the earmuff and the sliding arm from becoming loose.
[0039] This invention also provides an earphone including the aforementioned sliding arm. Using the sliding arm in any of the above embodiments can significantly improve the overall wearing comfort and structural stability of the earphone, while also enhancing the user experience.
[0040] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.
Claims
1. An earphone sliding arm, characterized in that: It includes a connecting segment for connecting the earcups of headphones and a sliding segment for slidingly connecting the ear straps of headphones. The connecting segment and the sliding segment are connected. One end of the connecting segment that connects to the earcups of headphones extends towards the side closer to the user's ear, so that the connection point of the connecting segment and the sliding segment forms an angle A, the size of which is 150°-160°.
2. The headphone sliding arm according to claim 1, characterized in that: The sliding segment is provided with a limiting member at its end away from the connecting segment. The limiting member includes a limiting ring sleeved on the end of the sliding segment and a first protrusion protruding from the side of the limiting ring.
3. The headphone sliding arm according to claim 2, characterized in that: The side of the limiting ring body is also provided with a second protrusion, and the second protrusion and the first protrusion are symmetrically arranged along the center of the limiting ring body.
4. The headphone sliding arm according to claim 3, characterized in that: The limiting member has a first fixing hole that passes through the first protrusion and the second protrusion, and the sliding section has a second fixing hole that communicates with the first fixing hole.
5. The headphone sliding arm according to claim 4, characterized in that: The inner walls of the first and second fixing holes are provided with threaded structures.
6. The headphone sliding arm according to claim 2, characterized in that: The end of the limiting ring away from the connecting section protrudes outward to form a flange.
7. The headphone sliding arm according to claim 2, characterized in that: The sliding section is provided with a foolproof part at the end away from the connecting section, and the limiting ring body is inserted and engaged with the foolproof part.
8. The headphone sliding arm according to claim 7, characterized in that: The error-proof part is cylindrical, and the two opposite sides of the error-proof part are flat.
9. An earphone, characterized in that: Includes the sliding arm as described in any one of claims 1-8.