CN220586436U - Floating type center spiral cover earphone box and earphone assembly - Google Patents

Abstract

The utility model relates to the technical field of electric communication, and particularly discloses a floating type central spiral cover earphone box and an earphone assembly, wherein the earphone assembly comprises a charging bottom box, a rotary cover, a positioning convex ring assembly and a compression spring; when the rotary cover is rotated, the rotary cover positioning ring can be repeatedly combined with and separated from the bottom box positioning ring, and relative positioning between the charging bottom box and the rotary cover can be realized only when the rotary cover is rotated to a clamping state, so that the earphone body can be taken and placed; firstly, as the parts which mainly generate mutual friction are the rotating cover positioning ring and the bottom box positioning ring, the damage of the rotating cover and the charging bottom box caused by friction and scratch is effectively avoided; secondly, the reset spring can enable the rotary cover to continuously downwards press the positioning convex ring component, so that the problem of vertical and horizontal shaking of the rotary cover caused by assembly tolerance is avoided; furthermore, the positioning at different angles can be realized by setting the tooth numbers of the rotary cover positioning ring and the bottom box positioning ring.

Description

Floating type center spiral cover earphone box and earphone assembly

Technical Field

The utility model relates to the technical field of electric communication, in particular to a floating type central spiral cover earphone box and an earphone assembly.

Background

The earphone box for the existing earphone is generally of a flip structure and comprises a charging bottom box, a hinge device and a flip cover hinged to the rear end of the charging bottom box through the hinge device. When the flip cover is rotated upward to a limited opening angle, if pressure is continuously applied to the front end of the flip cover to push the flip cover, the hinge positions of the charging bottom box and the flip cover are easily broken.

In order to solve the problem that the hinge positions of the charging bottom box and the flip cover are easy to break, a center flip type earphone box as shown in fig. 1 and 2 is developed at present, and comprises a charging bottom box 1 and a rotating cover 2, wherein the charging bottom box 1 is provided with a center rotating shaft 101 which is vertically arranged and a plurality of storage bins 102 which are arranged around the center rotating shaft 101; the center position of the rotary cover 2 is rotationally connected with the charging bottom box 1 through the center rotating shaft 101;

the rotary cover 2 has a cover-closed state (as shown in fig. 1) in which it is rotated relative to the charging bottom case 1 to cover all the storage bins 102, and a cover-open state (as shown in fig. 2) in which it is rotated relative to the charging bottom case 1 to open all the storage bins 102.

It will be appreciated that when the user rotates the rotary cover 2 to the closed or open state, the rotary cover 2 should be automatically positioned with respect to the charging bottom case 1 so as to take and put the earphone body.

Therefore, there is a need for an improvement on the existing center-cap earphone box, so that the rotary cap can be automatically positioned after rotating relative to the electric bottom box, so as to take and place the earphone body.

The above information disclosed in this background section is only included to enhance understanding of the background of the disclosure and therefore may contain information that does not form the prior art that is presently known to those of ordinary skill in the art.

Disclosure of Invention

An object of the present utility model is to provide a floating type earphone box with a central screw cap and an earphone assembly, wherein the rotary cap can be automatically positioned after rotating relative to the electric bottom box so as to take and place the earphone body.

To achieve the above object, in one aspect, the present utility model provides a floating center-cap earphone box comprising:

the charging bottom box is provided with a central rotating shaft which is vertically arranged and a plurality of storage bins which are arranged around the central rotating shaft;

the central position of the rotary cover is rotationally connected with the central rotating shaft, and the central position of the rotary cover is vertically and slidably connected with the central rotating shaft;

the positioning convex ring assembly comprises a bottom box positioning ring arranged at the top surface of the charging bottom box and a rotating cover positioning ring arranged at the bottom of the rotating cover; the bottom box positioning ring and the rotating cover positioning ring are both sleeved outside the central rotating shaft and are in rotary clamping fit;

and the compression spring is used for driving the rotary cover to slide towards the charging bottom box, so that the rotary cover positioning ring downwards presses the bottom box positioning ring.

Optionally, the central point of rotatory lid puts and is equipped with confession central pivot male pivot inserts the chamber, the intracavity is inserted to the pivot is equipped with:

the head of the rotating cover limiting piece is connected with the rotating shaft inserting cavity in an up-down sliding mode, and the bottom surface of the rotating cover limiting piece is connected with the upper end of the central rotating shaft in an inserting and pulling mode;

the locking bolt penetrates through the rotating cover limiting piece and is in threaded connection with the central rotating shaft.

Optionally, the top surface of center pivot is equipped with the spacing slot of pivot, the lid locating part is equipped with from top to bottom inserts lid spacing fixture block in the spacing slot of pivot.

Optionally, the compression spring is sleeved outside the rotating cover limiting part and is located between the head of the rotating cover limiting part and the cavity bottom of the rotating shaft inserting cavity.

Optionally, a floating slip ring is arranged between the head of the rotating cover limiting piece and the compression spring;

the floating slip ring is sleeved outside the rotating cover limiting piece, and the floating slip ring is rotationally and vertically connected with the rotating cover limiting piece in a sliding manner;

the circumference of the floating slip ring sleeve is provided with a slip ring limiting clamping block which is inserted into the cavity wall of the rotating shaft inserting cavity to limit the relative rotation of the floating slip ring and the rotating cover, and the floating slip ring is connected with the rotating cover in an up-and-down sliding manner;

the top surface of the floating slip ring is provided with a plurality of slip ring sounding clamping blocks, and the position of the head of the rotating cover limiting piece corresponding to each slip ring sounding clamping block is provided with a slip ring sounding clamping groove.

Optionally, a slip ring guiding inclined plane for guiding the floating slip ring to rotate forward relative to the rotating cover limiting piece is arranged on one side of the slip ring sounding clamping block;

the other side of the slip ring sounding clamping block is provided with a slip ring thrust vertical surface which limits the reverse rotation of the floating slip ring relative to the rotating cover limiting piece.

Optionally, the bottom surface of the bottom box positioning ring is provided with a plurality of bottom ring limiting clamping blocks protruding downwards, and the top surface of the charging bottom box is provided with a bottom box limiting slot for inserting the corresponding bottom ring limiting clamping blocks at positions corresponding to each bottom ring limiting clamping block;

the top surface of the rotary cover positioning ring is provided with cover ring limiting clamping blocks protruding upwards, and the position of the bottom surface of the rotary cover corresponding to each cover ring limiting clamping block is provided with a rotary cover limiting slot for the corresponding cover ring limiting clamping block to be inserted.

Optionally, a plurality of bottom ring positioning grooves which are arranged at equal intervals are arranged on the top surface of the bottom box positioning ring;

the rotary cover positioning rings are provided with cover ring positioning blocks at positions corresponding to the bottom ring positioning grooves.

In another aspect, an earphone assembly is provided, including the floating center-cap earphone box and two earphone bodies received in the floating center-cap earphone box.

Optionally, the floating center cap earphone box further accommodates a bluetooth adapter for wireless communication connection with two earphone bodies.

The utility model has the beneficial effects that a floating type center screw cap earphone box and an earphone assembly are provided:

in general, the rotary cover is in a cover closing state, and the bottom box positioning ring and the rotary cover positioning ring are mutually clamped so as to realize the relative positioning between the charging bottom box and the rotary cover;

when the earphone body is required to be taken out, the rotary cover is rotated, the rotary cover drives the rotary cover positioning ring to rotate relative to the bottom box positioning ring, the rotary cover positioning ring is gradually separated from the bottom box positioning ring in the rotating process of the rotary cover positioning ring, and then the rotary cover is driven to extrude the compression spring and move upwards relative to the charging bottom box;

and the rotary cover is continuously rotated, when the rotary cover positioning ring rotates to be clamped with the bottom box positioning ring again, the rotary cover is rotated to be in a cover opening state, and the rotary cover positioning ring is clamped with the bottom box positioning ring again, so that the relative positioning between the charging bottom box and the rotary cover is realized.

Therefore, the floating type central spiral cover earphone box and the earphone assembly provided by the utility model can automatically position the rotary cover after rotating relative to the electric bottom box so as to take and put the earphone body.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic diagram of a conventional center-cap earphone box provided in the background art in a cap-closed state;

fig. 2 is a schematic diagram of a conventional center-cap earphone case provided in the background art in a cap-opened state;

fig. 3 is a schematic structural diagram of a floating center-cap earphone box in a first cross-sectional position according to an embodiment;

FIG. 4 is an enlarged partial schematic view of the swing cover stop of FIG. 3;

fig. 5 is an exploded view of the floating center-cap earphone box provided in the embodiment at the second section (the included angle between the first section and the second section is 90 °);

fig. 6 is an exploded view of the outside of a floating center-cap earphone case according to an embodiment;

fig. 7 is a schematic structural diagram of a positioning convex ring assembly according to an embodiment.

In the figure:

1. a charging bottom box; 101. a central spindle; 1011. a rotating shaft limiting slot; 102. a storage bin; 103. a bottom box limiting slot;

2. a rotary cover; 201. a rotating shaft inserting cavity; 202. a rotary cover limiting slot;

3. positioning the convex ring component;

301. a bottom box positioning ring; 3011. a bottom ring positioning groove; 3012. a bottom ring limiting clamping block;

302. a rotary cover positioning ring; 3021. a cover ring positioning block; 3022. the cover ring limits the clamping block;

4. a rotary cover limiting piece; 401. a rotary cover limiting clamping block; 402. slip ring sound-emitting clamping groove;

5. a locking bolt;

6. a compression spring;

7. a floating slip ring; 701. a slip ring limiting clamping block; 702. a slip ring sounding clamping block; 7021. a slip ring guide slope; 7022. the slip ring is thrust against the vertical surface.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it will be understood that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Furthermore, the terms "long," "short," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description of the present utility model, and are not intended to indicate or imply that the apparatus or elements referred to must have this particular orientation, operate in a particular orientation configuration, and thus should not be construed as limiting the utility model.

The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the utility model and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the utility model.

The utility model provides a floating type central spiral cover earphone box and an earphone assembly, which are suitable for application scenes such as song listening and/or voice interaction by matching with terminals such as mobile phones or computers.

In this embodiment, the earphone assembly includes a floating center-screw cap earphone box and two earphone bodies accommodated in the floating center-screw cap earphone box, and the earphone bodies can be directly connected with a mobile phone or the like through bluetooth.

Optionally, in order to make the earphone subassembly be applicable to some computers that do not have bluetooth function, floating center spiral cover earphone box still can accomodate with two bluetooth adapter that earphone body wireless communication is connected, insert the USB mouth of computer with bluetooth adapter after, earphone body can be through bluetooth adapter and computer wireless communication connection.

Referring to fig. 3, the floating center-cap earphone box includes a charging bottom box 1, a rotary cap 2, a positioning collar assembly 3, a rotary cap stopper 4, a locking bolt 5, and a compression spring 6.

The charging bottom box 1 is provided with a central rotating shaft 101 which is vertically arranged and a plurality of storage bins 102 which are arranged around the central rotating shaft 101. Specifically, when the earphone assembly includes bluetooth adapters, the number of the storage bins 102 is three, the three storage bins 102 are arranged in a triangle around the central rotating shaft 101, the adjacent two storage bins 102 are spaced by 120 °, and each earphone body and bluetooth adapter are placed in one storage bin 102. For convenience of description, the present embodiment is described with three bins 102. It will be appreciated that in some other embodiments, when the headset assembly does not include a bluetooth adapter, the number of receptacles 102 is two, alternatively, two receptacles 102 are symmetrically disposed 180 ° about the central axis of rotation 101, with one headset body being placed in each receptacle 102.

Referring to fig. 4, the center position of the rotary cover 2 is rotatably connected to the center rotary shaft 101, and the center position of the rotary cover 2 is slidably connected to the center rotary shaft 101 up and down. Specifically, a spindle insertion cavity 201 into which the central spindle 101 is inserted is provided at the central position of the rotary cover 2, and both the rotary cover limiter 4 and the locking bolt 5 are located in the spindle insertion cavity 201.

Optionally, the head of the rotating cover limiting member 4 is connected with the rotating shaft inserting cavity 201 in a vertically sliding manner, and the bottom surface of the rotating cover limiting member 4 is connected with the upper end of the central rotating shaft 101 in a plug-in connection manner; the locking bolt 5 passes through the rotating cover limiting piece 4 and is in threaded connection with the central rotating shaft 101.

Further, referring to fig. 5, the top surface of the central rotating shaft 101 is provided with a rotating shaft limiting slot 1011, and the rotating cover limiting member 4 is provided with a rotating cover limiting clamping block 401 which is inserted into the rotating shaft limiting slot 1011 from top to bottom. Specifically, after the central rotating shaft 101 is inserted into the rotating shaft inserting cavity 201, the rotating cover limiting clamping block 401 is clamped into the rotating shaft limiting slot 1011, at this time, the locking bolt 5 is screwed, so that the rotating cover limiting piece 4 can be locked on the central rotating shaft 101, and further the rotating cover limiting piece 4 cannot rotate and slide up and down relative to the central rotating shaft 101.

Referring to fig. 6 and 7, the positioning collar assembly 3 includes a bottom case positioning collar 301 installed at the top surface of the charging bottom case 1 and a rotary cover positioning collar 302 installed at the bottom of the rotary cover 2; wherein, the bottom box positioning ring 301 and the rotating cover positioning ring 302 are both sleeved outside the central rotating shaft 101, and are rotationally clamped and matched.

Specifically, the top surface of the bottom box positioning ring 301 is provided with a plurality of bottom ring positioning grooves 3011 which are arranged at equal intervals; the cover turning positioning ring 302 is provided with a cover ring positioning block 3021 corresponding to each of the bottom ring positioning grooves 3011.

The compression spring 6 is sleeved outside the rotating cover limiting part 4 and is located between the head of the rotating cover limiting part 4 and the cavity bottom of the rotating shaft inserting cavity 201, and is used for driving the rotating cover 2 to slide towards the charging bottom box 1, so that the rotating cover positioning ring 302 presses the bottom box positioning ring 301 downwards.

The rotary cover 2 has a cover closing state in which it is rotated relative to the charging bottom case 1 to cover all the storage bins 102, and has a cover opening state in which it is rotated relative to the charging bottom case 1 to open all the storage bins 102.

In the floating type center-screwed earphone box and the earphone assembly provided by the embodiment, in general, the rotary cover 2 is in a cover closing state, and the bottom box positioning ring 301 and the rotary cover positioning ring 302 are mutually clamped to realize the relative positioning between the charging bottom box 1 and the rotary cover 2;

when the earphone body needs to be taken out, the rotary cover 2 is rotated, the rotary cover 2 drives the rotary cover positioning ring 302 to rotate relative to the bottom box positioning ring 301, and in the process of rotating the rotary cover positioning ring 302, the cover ring positioning block 3021 gradually rotates and breaks away from the bottom ring positioning groove 3011, so that the rotary cover 2 is driven to squeeze the compression spring 6 and move upwards relative to the charging bottom box 1 (namely, in the process of rotating the rotary cover positioning ring 302, both the rotary cover 2 and the rotary cover positioning ring 302 float upwards while rotating uniformly);

continuing to rotate the rotary cover 2, when the cover ring positioning block 3021 rotates to be opposite to the next bottom ring positioning groove 3011, under the action of the elastic force of the compression spring 6, the cover ring positioning block 3021 is clamped downwards into the next bottom ring positioning groove 3011, and the bottom box positioning ring 301 and the rotary cover positioning ring 302 are restored to the clamping state; at this time, the rotary cover 2 has been rotated to the open-cover state, and since the cover ring positioning block 3021 is caught in the next bottom ring positioning groove 3011, the relative positioning between the charging bottom case 1 and the rotary cover 2 is also achieved;

further, the rotary cover 2 is rotated again, and the rotary cover 2 can be rotated to the cover-closed state.

Therefore, the floating type central spiral cover earphone box and the earphone assembly provided by the utility model can automatically position the rotary cover 2 after rotating relative to the electric bottom box so as to take and put the earphone body.

In this embodiment, the bottom surface of the bottom case positioning ring 301 is provided with a plurality of bottom case limiting blocks 3012 protruding downward, and the top surface of the charging bottom case 1 is provided with a bottom case limiting slot 103 for inserting the corresponding bottom case limiting block 3012 corresponding to each position of the bottom case limiting block 3012.

The top surface of the rotating cover positioning ring 302 is provided with a cover ring limiting clamping block 3022 protruding upwards, and the bottom surface of the rotating cover 2 is provided with a rotating cover limiting slot 202 for inserting the corresponding cover ring limiting clamping block 3022 at a position corresponding to each cover ring limiting clamping block 3022.

Specifically, referring to fig. 5, after the bottom ring limiting block 3012 is inserted into the bottom box limiting slot 103, the bottom box positioning ring 301 and the charging bottom box 1 cannot rotate relatively; after the cover ring stop block 3022 is inserted into the cover rotating stop slot 202, the cover rotating positioning ring 302 and the cover rotating 2 cannot rotate relatively.

Optionally, referring to fig. 6, a floating slip ring 7 is disposed between the head of the rotating cover limiter 4 and the compression spring 6. The floating slip ring 7 is sleeved outside the rotating cover limiting piece 4, and the floating slip ring 7 and the rotating cover limiting piece 4 rotate and are connected in an up-down sliding manner;

the circumference of the floating slip ring 7 is provided with a slip ring limiting fixture block 701 which is inserted into the cavity wall of the rotating shaft inserting cavity 201 to limit the relative rotation of the floating slip ring 7 and the rotating cover 2, and the floating slip ring 7 is connected with the rotating cover 2 in an up-and-down sliding manner.

The top surface of the floating slip ring 7 is provided with a plurality of slip ring sounding clamping blocks 702, and the position of the head of the rotating cover limiting piece 4 corresponding to each slip ring sounding clamping block 702 is provided with a slip ring sounding clamping groove 402.

When the rotary cover 2 is rotated, the floating slip ring 7 slides up and down relative to the rotary cover 2 while rotating along with the rotary cover 2 relative to the central rotating shaft 101, so that each slip ring sounding clamping block 702 is repeatedly separated from and clamped into each slip ring sounding clamping groove 402 again, and due to the elastic force of the compression spring 6, the slip ring sounding clamping block 702 can be clamped into the slip ring sounding clamping groove 402 at a certain speed, and sound is generated. That is, when the rotary cover 2 is continuously rotated, the floating slip ring 7 is continuously disengaged from and caught in the head of the rotary cover stopper 4, and thus a click sound is generated, thereby providing a sound prompt to the user.

Further, a slip ring guiding inclined plane 7021 is provided on one side of the slip ring sounding fixture block 702 to guide the floating slip ring 7 to rotate forward relative to the rotating cover limiting member 4; the other side of the slip ring sounding clamping block 702 is provided with a slip ring thrust vertical surface 7022 for limiting the reverse rotation of the floating slip ring 7 relative to the rotating cover limiting member 4. Therefore, the rotary cover 2 can only rotate in the forward direction with respect to the charging bottom case 1, and cannot rotate in the reverse direction.

The floating type center spiral cover earphone box and the earphone assembly provided by the embodiment have the following advantages:

(1) when the rotary cover 2 is rotated, the rotary cover positioning ring 302 can be repeatedly combined with and separated from the bottom box positioning ring 301, and relative positioning between the charging bottom box 1 and the rotary cover 2 can be realized only when the rotary cover is rotated to a clamping state, so that the earphone body can be taken and placed;

(2) when the rotary cover 2 is rotated, the parts which mainly generate mutual friction are a rotary cover positioning ring 302 and a bottom box positioning ring 301, and the rotary cover 2 and the charging bottom box 1 are not damaged due to friction, so that the service lives of the rotary cover 2 and the charging bottom box 1 are prolonged;

(3) the rotary cover positioning ring 302 and the bottom box positioning ring 301 are both of a detachable structural design, and when the rotary cover positioning ring is excessively worn, the rotary cover positioning ring and the bottom box positioning ring are only required to be replaced by unscrewing the locking bolt 5, so that the operation is simple and the maintenance is convenient;

(3) the reset spring can enable the rotary cover 2 to continuously press the positioning convex ring assembly 3 downwards, so that the problem of up-down and left-right shaking of the rotary cover 2 caused by assembly tolerance is avoided;

(4) the positioning convex ring component 3 is made of a material with good friction performance, so that the service life is further prolonged;

(5) when the rotary cover 2 is rotated, the floating slip ring 7 can generate clicking sounds, so that the rotating hand feeling and the texture are improved;

(6) positioning at different angles can be achieved by setting the number of teeth of the rotating cover positioning ring 302 and the bottom box positioning ring 301.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A floating center-turn headphone case, comprising:

the charging bottom box (1), wherein the charging bottom box (1) is provided with a central rotating shaft (101) which is vertically arranged and a plurality of storage bins (102) which are arranged around the central rotating shaft (101);

the rotary cover (2) is rotationally connected with the central rotating shaft (101) at the central position of the rotary cover (2), and the central position of the rotary cover (2) is connected with the central rotating shaft (101) in an up-and-down sliding manner;

the positioning convex ring assembly (3), the positioning convex ring assembly (3) comprises a bottom box positioning ring (301) arranged at the top surface of the charging bottom box (1) and a rotating cover positioning ring (302) arranged at the bottom of the rotating cover (2); wherein, the bottom box positioning ring (301) and the rotating cover positioning ring (302) are both sleeved outside the central rotating shaft (101) and are in rotary clamping fit;

and the compression spring (6) is used for driving the rotary cover (2) to slide towards the charging bottom box (1), so that the rotary cover positioning ring (302) downwards presses the bottom box positioning ring (301).

2. The floating center-pivoted earphone box according to claim 1, wherein a pivot insertion cavity (201) into which the center pivot (101) is inserted is provided at a center position of the pivoted cover (2), and the pivot insertion cavity (201) is internally provided with:

the rotating cover limiting piece (4), the head of the rotating cover limiting piece (4) is connected with the rotating shaft inserting cavity (201) in an up-down sliding mode, and the bottom surface of the rotating cover limiting piece (4) is connected with the upper end of the central rotating shaft (101) in an inserting and pulling mode;

the locking bolt (5) penetrates through the rotating cover limiting piece (4) and then is in threaded connection with the central rotating shaft (101).

3. The floating center-pivoted earphone box according to claim 2, wherein the top surface of the center pivot (101) is provided with a pivot limit slot (1011), and the pivot limit member (4) is provided with a pivot limit block (401) inserted into the pivot limit slot (1011) from top to bottom.

4. A floating center-turn headset box according to claim 2, characterized in that the compression spring (6) is sleeved outside the turn cover limiter (4) and between the head of the turn cover limiter (4) and the bottom of the spindle insertion cavity (201).

5. A floating center-turn headphone case according to claim 4, characterized in that a floating slip ring (7) is provided between the head of the turn-cover stopper (4) and the compression spring (6);

the floating slip ring (7) is sleeved outside the rotating cover limiting piece (4), and the floating slip ring (7) and the rotating cover limiting piece (4) rotate and are connected in an up-down sliding mode;

the circumference of the floating slip ring (7) is provided with a slip ring limiting clamping block (701) which is inserted into the cavity wall of the rotating shaft inserting cavity (201) to limit the relative rotation of the floating slip ring (7) and the rotating cover (2), and the floating slip ring (7) is connected with the rotating cover (2) in an up-and-down sliding way;

the top surface of floating sliding ring (7) is equipped with a plurality of sliding ring sound production fixture blocks (702), the head of changeing lid locating part (4) corresponds every sliding ring sound production fixture block (702) the position all is equipped with sliding ring sound production draw-in groove (402).

6. The floating center-on earphone box according to claim 5, wherein a slip ring guiding inclined plane (7021) for guiding the floating slip ring (7) to rotate forward relative to the rotating cover limiting member (4) is provided on one side of the slip ring sounding clamping block (702);

the other side of the slip ring sounding clamping block (702) is provided with a slip ring thrust vertical surface (7022) for limiting the floating slip ring (7) to reversely rotate relative to the rotating cover limiting piece (4).

7. The floating center-screwed cap earphone box according to claim 1, wherein the bottom surface of the bottom box positioning ring (301) is provided with a plurality of bottom ring limiting clamping blocks (3012) protruding downwards, and the top surface of the charging bottom box (1) is provided with a bottom box limiting slot (103) for inserting the corresponding bottom ring limiting clamping blocks (3012) at positions corresponding to each bottom ring limiting clamping block (3012);

the top surface of rotating lid locating ring (302) is equipped with the spacing fixture block of protruding lid ring (3022) that stretches upwards, the bottom surface of rotatory lid (2) is corresponding to each the spacing fixture block of lid ring (3022) the position all is equipped with one and supplies corresponding spacing fixture block (3022) male rotating lid spacing slot (202) of lid ring.

8. The floating center-turn headphone case as claimed in claim 1, characterized in that the top surface of the bottom case positioning ring (301) is provided with a plurality of bottom ring positioning grooves (3011) arranged at equal intervals;

the rotary cover positioning ring (302) is provided with a cover ring positioning block (3021) corresponding to each bottom ring positioning groove (3011).

9. An earphone assembly comprising a floating center-cap earphone pod according to any one of claims 1-8 and two earphone bodies received in the floating center-cap earphone pod.

10. The earphone assembly of claim 9 wherein the floating center-cap earphone pod further houses a bluetooth adapter for wireless communication connection with both earphone bodies.