Detachable ear tips and headphones

Abstract

The earphone includes a detachable ear tip and an earphone body. The detachable ear tip includes an outer cap and an annular inner wall. The outer cap has a bottom and a surrounding wall portion extending from the periphery of the bottom away from the bottom and surrounding a central axis. The annular inner wall is located inside the outer cap and extends from the bottom in the same direction as the surrounding wall portion, including at least one slot for engaging with the earphone body. The earphone body includes a tubular portion for engaging with the slot of the detachable ear tip, and the tubular portion has a locking block protruding from the outer annular surface of the tubular portion and corresponding to the slot for rotating engagement with the slot. Through the rotational engagement of the slot and the locking block, the operator can easily and conveniently attach and detach the detachable ear tip from the earphone body.

Claims

1. A detachable ear tip, which can be attached to an earphone body, the detachable ear tip comprising: An outer cap has a bottom and a surrounding wall portion extending from the periphery of the bottom away from the bottom and surrounding a central axis, including a proximal end adjacent to the earphone body and a distal end opposite the proximal end and away from the earphone body; and an annular inner wall located inside the outer cap and extending from the bottom in the same direction as the surrounding wall portion, including a first end adjacent to the earphone body, a second end away from the earphone body and connected to the bottom of the outer cap, an outer annular surface spaced apart from the outer cap, an inner annular surface opposite to the outer annular surface, and at least one slot located on the inner annular surface for engaging with the earphone body, each slot being recessed from the inner annular surface toward the outer annular surface and defined by an insert area and a snap-fit ​​area, the insert area extending from the first end toward the second end, the snap-fit ​​area communicating with one side of the insert area away from the first end, and extending in a rotational direction around the central axis.

2. The detachable ear cap as described in claim 1, wherein, The inner annular surface includes two slots, which are symmetrically located on the inner annular surface with respect to the central axis.

3. The detachable ear cap as described in claim 1, wherein, The annular inner wall also includes at least one protrusion corresponding to each of the slots. Each protrusion is located between the embedding area and the snap-fit ​​area of ​​its corresponding slot and protrudes from the inner annular surface toward the outer annular surface.

4. The detachable ear cap as described in claim 3, wherein, The height of each protrusion shall not exceed the depth of the slot.

5. The detachable ear cap as described in claim 1, wherein, The material of the outer cap is different from the material of the inner ring.

6. The detachable ear cap as described in claim 5, wherein, The hardness of the inner ring is greater than that of the outer cap.

7. An earphone, comprising: a detachable ear tip having the detachable ear tip as described in claim 1; and an earphone body including a tubular portion for engaging with at least one slot of the detachable ear tip, a receiving portion extending from the tubular portion toward a direction away from the detachable ear tip, and a speaker module located in the receiving portion, the tubular portion being within an annular inner wall and having an outer annular surface facing the annular inner wall, and at least one locking block protruding from the outer annular surface and corresponding to at least one slot of the detachable ear tip, and each locking block being capable of engaging with each other from the insertion area of ​​the corresponding slot into the latching area.

8. The headphones as described in claim 7, wherein, The detachable ear cap has two symmetrical slots located on the inner ring surface of the annular inner wall, and the tubular part has two locking blocks for corresponding engagement with the two slots.

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