CN216272526U

CN216272526U - Earphone cord turntable that stretches out and draws back

Info

Publication number: CN216272526U
Application number: CN202122777461.8U
Authority: CN
Inventors: 米鑫杰
Original assignee: Guangzhou Fengku Technology Co ltd
Current assignee: Guangzhou Fengku Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-12
Anticipated expiration: 2031-11-12

Abstract

The utility model provides an earphone cord telescopic turntable, which comprises: the spring mechanism comprises a turntable assembly, a PCB (printed circuit board), a spring and a base; the turntable assembly comprises a turntable fixing piece and a turntable arranged at the bottom of the turntable fixing piece; the top of the rotary disc is provided with a ratchet wheel and an annular groove, the bottom of the rotary disc is provided with a spring groove, an earphone wire is fixedly arranged in the annular groove, the PCB is attached to the top of the rotary disc and fixed and welded with the tail of the earphone wire, and the spring is accommodated in the spring groove and provides rotary power for the rotary disc assembly; a rotation stopping push rod is arranged on the rotating disc fixing piece, a clamping tooth is arranged on the rotation stopping push rod, and the clamping tooth is clamped into the ratchet wheel, so that the rotating disc can rotate in the anticlockwise direction and is limited to rotate in the clockwise direction; the end of the rotation stopping push rod, far away from the latch, is provided with a telescopic key, and the rotation stopping push rod is pushed by the telescopic key to enable the latch to be separated from the ratchet wheel, so that the turntable can rotate clockwise to recover the earphone cable in the annular groove; the earphone cable is simple, practical, stable and fast, and greatly facilitates the arrangement of the earphone cable.

Description

Earphone cord turntable that stretches out and draws back

Technical Field

The utility model relates to the technical field of earphone cord storage, in particular to an earphone cord telescopic turntable.

Background

Along with the diversification of functions of electronic equipment such as a mobile phone, earphones become necessary articles when people use the electronic equipment in daily life nowadays, usually wired earphones are connected with a longer earphone flexible wire, and the earphone wires are exposed, people who often carry the earphones can find that the long earphone wires are easily hung with other objects in a pocket or a bag, the messy earphone wires lead to large volume, and the earphone wires are easy to knot and difficult to untie, and can be easily damaged due to carelessness while being detached, on one hand, the comfort level of earphone use can be reduced, on the other hand, the service life of the earphones can be shortened, and great troubles are brought to the earphone.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the telescopic rotary disc for the earphone wire, which can be used for containing the earphone in the telescopic rotary disc, pulling out the earphone when in use, driving the rotary disc to rotate under the action of the spring force by continuously pressing the telescopic key, and completely recycling the pulled earphone wire into the rotary disc, so that the earphone wire is stable and quick; the product is simple and practical, is convenient to use, greatly facilitates the arrangement of the earphone wire, and prolongs the service life of the earphone.

The technical scheme of the utility model is realized as follows: an earphone line retractable carousel comprising: the spring mechanism comprises a turntable assembly, a PCB (printed circuit board), a spring and a base; the turntable assembly comprises a turntable fixing piece and a turntable arranged at the bottom of the turntable fixing piece; the top of the rotary disc is provided with a ratchet wheel and an annular groove, the bottom of the rotary disc is provided with a spring groove, an earphone wire is fixedly arranged in the annular groove, the PCB is attached to the top of the rotary disc and fixed and welded with the tail of the earphone wire, and the spring is accommodated in the spring groove and provides rotating power for a rotary disc assembly; a rotation stopping push rod is arranged on the turntable fixing piece, a latch is arranged on the rotation stopping push rod, and the latch is clamped into the ratchet wheel so that the turntable can rotate in the counterclockwise direction and the turntable is limited to rotate in the clockwise direction; the end, far away from the latch, of the rotation stopping push rod is provided with a telescopic key, and the rotation stopping push rod is pushed by the telescopic key to enable the latch to be disengaged from the ratchet wheel, so that the turntable can rotate in the clockwise direction; the base is provided with a fixing column, the fixing column is provided with a straight groove, one end of the clockwork spring is fixed in the straight groove, and the other end of the clockwork spring is fixed in the clockwork spring groove.

Furthermore, a pressing spring is arranged at the top of the turntable fixing piece, a spring clamping groove is formed in the rotation stopping push rod, and the pressing spring is clamped in the spring clamping groove so that clamping teeth on the rotation stopping push rod are pressed on the ratchet wheel; and a key spring is arranged between the telescopic key and the turntable fixing piece.

Further, the bottom fixed mounting of carousel mounting has rotary contact I and rotary contact II, carousel mounting top is equipped with the draw-in groove, rotary contact I with rotary contact II is last all to be equipped with and is used for matching the block tongue of draw-in groove.

Further, the PCB is electrically connected with the earphone line.

Furthermore, the PCB board is adhered to the turntable of the turntable assembly through a double-sided adhesive tape and is fixed.

Furthermore, the tail part of the earphone cable is folded and fixed in the annular groove.

Furthermore, the top of the rotary table is provided with a through groove used for matching the fixed column.

Furthermore, a cover body is arranged at the top of the base.

Furthermore, the turntable fixing piece fixes the turntable assembly on the base through a screw.

Compared with the prior art, the utility model has the following advantages: the utility model provides an earphone cord telescopic rotary disc, when an earphone head is pulled outwards to a certain distance and stops, and the earphone head is loosened, the earphone head cannot contract inwards, the rotary disc drives the rotary disc to rotate under the action of a clockwork force by continuously pressing a telescopic button, and the pulled earphone cord is completely recycled into the rotary disc, so that the earphone cord telescopic rotary disc is stable and quick; the product is simple and practical, is convenient to use, greatly facilitates the arrangement of the earphone wire, prolongs the service life of the earphone, and is worth popularizing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a three-dimensional exploded view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view taken at B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the utility model at C of FIG. 1;

fig. 5 is a schematic diagram of a three-dimensional structure of the earphone line after being contracted according to the present invention;

fig. 6 is a schematic diagram of a three-dimensional structure of the earphone line after stretching;

FIG. 7 is a schematic three-dimensional structure of the turntable fixing member of the present invention;

FIG. 8 is a schematic structural view of a turntable according to the present invention;

FIG. 9 is a schematic plan view of the present invention;

fig. 10 is a bottom structure diagram of the turntable of the present invention.

The attached drawings are as follows: 1-base, 2-spring, 3-dial, 4-PCB, 5-rotary contact A, 6-rotary contact B, 7-screw, 8-dial fixed part, 9-rotation-stop push rod, 10-compression spring, 11-button spring, 12-telescopic button, 13-earphone head, 14-earphone wire, 15-latch, 16-ratchet, 17-annular groove, 18-fixed column, 19-linear groove, 20-spring groove, 21-clamping groove, 22-clamping tongue, 23-cover body, 24-through groove and 25-spring clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 10, the present invention discloses an earphone line retractable turntable, including: the spring device comprises a turntable assembly, a PCB (printed circuit board) 4, a clockwork spring 2 and a base 1; the turntable assembly comprises a turntable fixing piece 8 and a turntable 3 arranged at the bottom of the turntable fixing piece 8;

as shown in fig. 1, 8 and 10, a ratchet 16 and an annular groove 17 are arranged at the top of the turntable 3, a spring groove 20 is arranged at the bottom of the turntable 3, an earphone line 14 is fixedly arranged in the annular groove 17, the PCB 4 is attached to the top of the turntable 3 and fixed and welded with the tail of the earphone line 14, and the spring 2 is accommodated in the spring groove 20 and provides rotation power for the turntable assembly;

as shown in fig. 1, 3, 5 and 6, a rotation stopping push rod 9 is arranged on the turntable fixing member 8, a latch 15 is arranged on the rotation stopping push rod 9, and the latch 15 is clamped into a ratchet 16, so that the turntable can rotate in the counterclockwise direction and the turntable 3 is limited to rotate in the clockwise direction; the end of the rotation stopping push rod 9, which is far away from the latch 15, is provided with a telescopic key 12, and the rotation stopping push rod 9 is pushed by the telescopic key 12, so that the latch 15 is separated from the ratchet 16, and the turntable 3 can rotate clockwise;

as shown in fig. 1 and 2, a fixing column 18 is provided on the base, a linear groove 19 is provided on the fixing column 18, one end of the spiral spring 2 is fixed in the linear groove 19, and the other end of the spiral spring is fixed in the spiral spring groove 20.

As shown in fig. 1, 5 and 6, a pressing spring 10 is disposed at the top of the turntable fixing member 8, a spring slot 25 is disposed on the rotation stopping push rod 9, and the pressing spring 10 is clamped in the spring slot 25, so that the latch 15 on the rotation stopping push rod 9 is pressed against the ratchet 16; a key spring 11 is arranged between the telescopic key 12 and the turntable fixing piece.

As shown in fig. 1, 4 and 7, a rotary contact piece i 5 and a rotary contact piece ii 6 are fixedly mounted at the bottom of the turntable fixing piece 8, a clamping groove 21 is formed at the top of the turntable fixing piece 8, and clamping tongues 22 used for matching the clamping groove 21 are arranged on the rotary contact piece i 5 and the rotary contact piece ii 6.

As shown in fig. 1, 8, 9 and 10, a cover 23 is disposed on the top of the base 1, a through slot 24 for matching with the fixing column 18 is disposed on the top of the turntable 3, the PCB 4 is adhered to the turntable 3 by a double-sided adhesive tape and fixed, the tail of the earphone cable 14 is folded and disposed in the annular slot 17, and the PCB 4 on the top of the turntable 3 is electrically connected to the earphone cable 14.

In the specific embodiment, after the earphone wire 14 is pulled out, the rotating disc 3 is driven to rotate counterclockwise, the clockwork spring 2 can generate a clockwise force on the rotating disc 3, meanwhile, the latch 15 at one end of the rotation stopping push rod 9 can be attached to the side face of the ratchet wheel 16 of the rotating disc 3 and can generate a snap sound, when the earphone wire 14 is loosened, the rotation stopping push rod 9 can be clamped to the straight edge of the ratchet wheel 16, the rotating disc 3 cannot rotate clockwise through the force generated by the clockwork spring 2, when the telescopic key 12 is pressed all the time, the latch 15 on the rotation stopping push rod 9 loosens the ratchet wheel 16 on the rotating disc 3, the rotating disc 3 rotates clockwise under the force of the clockwork spring 2, the earphone wire 14 is recovered, and accordingly, and recovery of the earphone head 13 is achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An earphone cord retractable turntable, comprising: the spring mechanism comprises a turntable assembly, a PCB (printed circuit board) plate (4), a spring (2) and a base (1); the turntable assembly comprises a turntable fixing piece (8) and a turntable (3) arranged at the bottom of the turntable fixing piece (8);

the top of the rotary disc (3) is provided with a ratchet wheel (16) and an annular groove (17), an earphone cable (14) is fixedly arranged in the annular groove (17), and the PCB (4) is attached to the top of the rotary disc (3) and fixed and welded with the tail of the earphone cable (14); the bottom of the rotary disc (3) is provided with a spring groove (20), and the spring (2) is accommodated in the spring groove (20) and provides rotary power for the rotary disc assembly;

a rotation stopping push rod (9) is arranged on the turntable fixing piece (8), a latch (15) is arranged on the rotation stopping push rod (9), and the latch (15) is clamped into the ratchet (16) so that the turntable can rotate in the counterclockwise direction and the turntable (3) is limited to rotate in the clockwise direction; a telescopic key (12) is arranged at the end, far away from the latch (15), of the rotation stopping push rod (9), and the rotation stopping push rod (9) is pushed through the telescopic key (12) so that the latch (15) loosens a ratchet wheel (16) and the turntable (3) can rotate clockwise;

the spring winding device is characterized in that a fixing column (18) is arranged on the base, a straight groove (19) is formed in the fixing column (18), one end of the spring (2) is fixed in the straight groove (19), and the other end of the spring is fixed in the spring groove (20).

2. The earphone line retractable turntable of claim 1, wherein a pressing spring (10) is disposed at the top of the turntable fixing member (8), a spring slot (25) is disposed on the rotation stopping push rod (9), and the pressing spring (10) is clamped in the spring slot (25), so that a latch (15) on the rotation stopping push rod (9) is pressed on the ratchet (16); a key spring (11) is arranged between the telescopic key (12) and the turntable fixing piece.

3. The retractable earphone line turntable of claim 1, wherein a rotary contact piece I (5) and a rotary contact piece II (6) are fixedly mounted at the bottom of the turntable fixing piece (8), a clamping groove (21) is formed at the top of the turntable fixing piece (8), and clamping tongues (22) for matching with the clamping groove (21) are respectively arranged on the rotary contact piece I (5) and the rotary contact piece II (6).

4. Earphone line retractable carousel according to claim 1, wherein the PCB board (4) is electrically connected to the earphone line (14).

5. The earphone line retractable turntable of claim 4, wherein the PCB (4) is fixed on the turntable (3) of the turntable assembly by double-sided adhesive tape.

6. The retractable earphone cord turntable of claim 1, wherein a cover (23) is disposed on the top of the base (1).

7. Earphone line telescopic carousel according to claim 1, wherein a through slot (24) is provided at the top of the carousel (3) for matching with the fixed column (18).

8. Earphone line retractable carousel according to claim 1, wherein the end of the earphone line (14) is folded and fixed in the annular groove (17).

9. The retractable carousel of earphone line of claim 1, wherein the carousel fixing member (8) fixes the carousel assembly to the base (1) via a screw (7).