CN111787447A

CN111787447A - Portable true wireless Bluetooth earphone

Info

Publication number: CN111787447A
Application number: CN202010670707.9A
Authority: CN
Inventors: 吴永国; 陈忠达; 李伟
Original assignee: Dongguan Uiisii Electronics Co ltd
Current assignee: Dongguan Uiisii Electronics Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-16

Abstract

The invention discloses a portable real wireless Bluetooth headset, which comprises a protective box, wherein a buffer box is fixedly arranged in the protective box, a placing plate is movably inserted in the bottom end in the buffer box, through grooves which are oppositely arranged are formed in the right sides of the protective box and the buffer box, a pull rod is fixedly arranged at the position of the placing plate opposite to the through grooves and is movably inserted in the through grooves, a push plate is fixedly arranged at one end of the pull rod, which is far away from the placing plate, and is attached to the outer wall of the protective box, the buffer box is fixedly arranged in the protective box, so that the wireless Bluetooth headset can be conveniently inserted in the buffer box, the wireless Bluetooth headset can be protected, the wireless Bluetooth headset is not easily damaged, the service life of the wireless Bluetooth headset is prolonged, the placing plate is movably inserted at the top end of the buffer box, and is convenient for the placing plate to be matched with the pull rod and the push plate, can take out wireless bluetooth headset upwards promotion.

Description

Portable true wireless Bluetooth earphone

Technical Field

The invention belongs to the technical field of wireless Bluetooth headsets, and particularly relates to a portable true wireless Bluetooth headset.

Background

The wireless Bluetooth headset comprises a Bluetooth headset body and an infrared headset body, the Bluetooth headset body applies the Bluetooth technology to the hands-free headset body, so that users can avoid annoying wires from being stumbled, and can easily talk in various modes freely. Since the advent of bluetooth headsets, it has been a good tool for the mobile commerce industry to increase efficiency.

The existing wireless Bluetooth earphone is usually inserted into a charging box to be stored and charged, the appearance of the charging box of the existing wireless Bluetooth earphone is smooth, and a user can easily slide off the charging box by hand when carrying the wireless Bluetooth earphone, so that the charging box and the wireless Bluetooth earphone are easily damaged, the service life of the wireless Bluetooth earphone is shortened, and the wireless Bluetooth earphone is not beneficial to use.

Disclosure of Invention

The invention aims to: in order to solve the problems proposed above, a true wireless bluetooth headset that is convenient to carry is provided.

The technical scheme adopted by the invention is as follows:

a portable real wireless Bluetooth headset comprises a protective box, a buffer box is fixedly arranged inside the protective box, a placing plate is movably inserted into the bottom end inside the buffer box, through grooves which are oppositely arranged are formed in the right sides of the protective box and the buffer box, a pull rod is fixedly arranged at the position of the placing plate opposite to the through grooves and movably inserted into the through grooves, a push plate is fixedly arranged at one end, away from the placing plate, of the pull rod, the push plate is attached to the outer wall of the protective box, a wireless Bluetooth headset is inserted into the buffer box and pressed on the top of the placing plate, limiting grooves which are oppositely arranged are formed in two sides of the front of the top of the protective box, a positioning rod is movably inserted into the position of the front wall of the protective box opposite to the limiting grooves and is inserted into the limiting grooves, a pull disc is fixedly arranged at the front end of the positioning rod, the utility model discloses a wireless Bluetooth headset, including apron, locating lever, spring I, spacing pad, limiting pad block, limiting plate, limiting groove, limiting plate, locating device and binding device, the spring I has been cup jointed on the locating lever, the apron is installed through the hinge at the top rear of guard box, the relative wireless Bluetooth headset's of apron fixed position installs spacing pad, spacing pad pegs graft in the inside of baffle-box, and spacing pad block is on wireless Bluetooth headset, the relative spacing fixed mounting in groove of apron has the limiting plate, and the limiting plate pegs graft in the limiting plate, the antetheca middle part fixed position of guard box installs the snap ring, the inside left side fixed mounting of apron has the battery, fixed mounting has acoustic control sensor and warning light in the top of.

In a preferred invention mode, the pull rod is matched with the through groove, the inner wall of the through groove is bonded with the sealing ring, the position of the limiting groove relative to the positioning rod is provided with a through hole, the positioning rod is movably inserted in the through hole, and the buffer box is a sponge box.

In a preferred invention mode, two ends of the spring I are respectively and fixedly connected with opposite surfaces of the protective box and the pull disc, the limiting pad is matched with the buffer box, and the limiting pad is matched with a clamping surface of the wireless Bluetooth headset.

In a preferred invention mode, the position of the limiting plate relative to the positioning rod is provided with a positioning hole, the positioning rod is inserted into the positioning hole, and the limiting plate is matched with the limiting groove.

In a preferred invention mode, the clamping ring is a semicircular clamping ring, a rubber layer is bonded on one side face of the clamping ring, which is far away from the protective box, the clamping ring is matched with an arm, and the height of the clamping ring is the same as that of the protective box.

In a preferred invention mode, the sound control sensor and the storage battery are arranged oppositely, the warning lamp is fixedly installed at the center of the top of the cover plate, the sound control sensor and the warning lamp are electrically connected with the storage battery, and the limiting cushion is a sponge cushion.

In a preferred invention mode, the binding device comprises a storage box, the storage box is fixedly mounted on the rear wall of the protective box, a left winding roller and a right winding roller are arranged inside the storage box, the right winding roller is located on the right side of the left winding roller, rotating shafts are fixedly mounted at the upper ends and the lower ends of the left winding roller and the right winding roller, and the rotating shafts are mounted on the inner wall of the storage box through bearings.

In a preferred invention mode, the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is fixedly installed on the inner wall of the storage box, the other end of the torsion spring is fixedly connected to the left winding roller and the right winding roller, a pin rod is inserted in the position, opposite to the rotating shaft, of the top of the storage box, the pin rod is inserted in the rotating shaft, and the insertion position of the pin rod and the rotating shaft is of a regular hexagon structure.

In a preferred mode of the invention: the winding device is characterized in that a left cloth belt is arranged on the left winding roller in an encircling mode, a limiting box is fixedly arranged at one end, away from the left winding roller, of the left cloth belt, a cavity is formed in the top of the limiting box, and first magnets are fixedly arranged inside the upper end and the lower end of the cavity.

In a preferred invention mode, a right cloth belt is wound on the right winding roller, an inserting plate is fixedly mounted at one end of the right cloth belt far away from the right winding roller, the inserting plate is inserted into the cavity, a movable groove is formed in the top of the inserting plate, locking rods which are oppositely arranged are movably inserted into the movable groove, a second magnet is fixedly mounted at one end of each locking rod opposite to the first magnet, the second magnet is adsorbed on the first magnet, a pulling plate is fixedly mounted at one end of each locking rod far away from the second magnet, the pulling plate is movably inserted into the movable groove, a spring II is sleeved on each locking rod, one end of each spring II is connected with the inner wall of the corresponding movable groove, the other end of each spring II is fixedly connected with the pulling plate, and the right cloth belt and the rotating shaft are elastic.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: better carrying wireless bluetooth headset of being convenient for wireless bluetooth headset is difficult for producing and drops, is difficult for receiving the damage, increases wireless bluetooth headset's life.

1. In the invention, a buffer box is fixedly arranged in the protective box, a wireless Bluetooth headset is conveniently inserted in the buffer box, the wireless Bluetooth headset can be protected, the wireless Bluetooth headset is not easily damaged, the service life of the wireless Bluetooth headset is prolonged, a placing plate is movably inserted at the top end of the buffer box, the placing plate can be conveniently pushed upwards to be taken out under the matching of a pull rod and a push plate, a limiting pad is fixedly arranged at the position of a cover plate relative to the wireless Bluetooth headset, the acoustic control sensor is conveniently limited and protected, a limiting plate is fixedly arranged at one side surface of the cover plate relative to the protective box, the limiting plate is conveniently inserted in a limiting groove, at the moment, under the matching of a positioning rod, a pull disc and a spring I, the positioning rod can be inserted in the limiting plate, and the cover plate can be limited at the top of the protective box, be convenient for better protect wireless bluetooth headset, there is the battery at the inside left side fixed mounting of apron, is convenient for pass through the battery, can provide the electric quantity to acoustic control sensor and warning light for acoustic control sensor control warning light lights, is convenient for not have the wireless bluetooth headset that also can be better night.

2. In the invention, a left winding roller and a right winding roller are arranged in a storage box in a matching way through a rotating shaft and a bearing, so that the left winding roller and the right winding roller can wind and unwind a left cloth belt and a right cloth belt, a pin rod is inserted in the position opposite to the rotating shaft at the top of the storage box, so that the position of the rotating shaft can be positioned through the pin rod, the left winding roller and the right winding roller are positioned, a left cloth belt is wound on the left winding roller, so that the left cloth belt is matched with a placing plate, the left cloth belt and the right cloth belt can be wound on an arm, a limiting box is fixedly arranged at one end of the left cloth belt far away from the left winding roller, an inserting plate is inserted into a cavity, a spring II drives a locking rod and a second magnet to be inserted into the cavity, the second magnet and the first magnet are adsorbed together, the inserting plate can be locked in the cavity, so that the left cloth belt and the right cloth belt, the wireless Bluetooth headset is convenient to carry better and is not easy to lose.

Drawings

FIG. 1 is a schematic diagram of a first configuration of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is a cross-sectional view of the protective case and a wireless Bluetooth headset of the present invention;

FIG. 4 is an enlarged view of the structure of area A in FIG. 2 according to the present invention;

FIG. 5 is a cross-sectional view of a cover plate structure according to the present invention;

fig. 6 is a sectional view showing the structure of the binding apparatus according to the present invention.

The labels in the figure are: 1-protective box, 2-buffer box, 3-placing plate, 4-through groove, 5-pull rod, 6-push plate, 7-wireless Bluetooth headset, 8-limiting groove, 9-positioning rod, 10-pull disc, 11-spring I, 12-cover plate, 13-limiting pad, 14-limiting plate, 15-snap ring, 16-storage battery, 17-sound control sensor, 18-warning lamp, 19-binding device, 20-storage box, 21 left winding roller, 22-right winding roller, 23-rotating shaft, 24-torsion spring, 25-pin rod, 26-left cloth belt, 27-limiting box, 28-cavity, 29-first magnet, 30-right cloth belt, 31-inserting plate, 32-movable groove, 33-locking rod, 34-second magnet, 35-pulling plate, 36-spring II.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-6, a portable real wireless bluetooth headset comprises a protective box 1, a buffer box 2 is fixedly installed inside the protective box 1, the buffer box 2 is a sponge box, and a wireless bluetooth headset 7 can be conveniently inserted into the buffer box 2, so that the wireless bluetooth headset 7 can be protected, the wireless bluetooth headset 7 is not easily damaged, the service life of the wireless bluetooth headset 7 is prolonged, a placing plate 3 is movably inserted into the bottom inside the buffer box 2, the placing plate 3 can be conveniently pushed upwards to take out the wireless bluetooth headset 7 under the matching of a pull rod 5 and a push plate 6, through grooves 4 which are oppositely arranged are formed on the right sides of the protective box 1 and the buffer box 2, sealing rings are bonded on the inner walls of the through grooves 4, pull rods 5 are fixedly installed at the positions of the placing plate 3 corresponding to the through grooves 4, the pull rods 5 are movably inserted into the through grooves 4, and the pull rods 5 are matched with the through grooves 4, a push plate 6 is fixedly arranged at one end of the pull rod 5 far away from the placing plate 3, the push plate 6 is attached to the outer wall of the protective box 1, a wireless Bluetooth headset 7 is inserted in the buffer box 2, the wireless Bluetooth headset 7 is pressed on the top of the placing plate 3, two sides in front of the top of the protective box 1 are provided with limiting grooves 8 which are oppositely arranged, through holes are formed in the positions of the limiting grooves 8, which are opposite to the positioning rods 9, the positioning rods 9 are movably inserted in the through holes, positioning rods 9 are movably inserted in the positions of the front wall of the protective box 1, which are opposite to the limiting grooves 8, the positioning rods 9 are inserted in the limiting grooves 8, a pull disc 10 is fixedly arranged at the front end of the positioning rods 9, a spring I11 is sleeved on the positioning rods 9, two ends of the spring I11 are respectively and fixedly connected with the opposite surfaces of the protective box 1 and the pull disc 10, a cover plate 12 is arranged at the rear, the limiting pad 13 is a spongy cushion, which is convenient for limiting and protecting the sound control sensor 17, the limiting pad 13 is matched with the buffer box 2, the limiting pad 13 is matched with the clamping surface of the wireless Bluetooth headset 7, the limiting pad 13 is inserted in the buffer box 2, the limiting pad 13 is clamped on the wireless Bluetooth headset 7, the limiting plate 14 is fixedly arranged at the position of the cover plate 12 corresponding to the limiting groove 8, the limiting plate 14 is conveniently inserted in the limiting groove 8, at the moment, the positioning rod 9 can be inserted in the limiting plate 14 under the matching of the positioning rod 9, the pull disc 10 and the spring I11, the cover plate 12 can be limited at the top of the protection box 1, which is convenient for better protecting the wireless Bluetooth headset 7, the limiting plate 14 is inserted in the limiting groove 8, the positioning rod 9 is inserted in the limiting plate 14, the positioning hole is arranged at the position of the limiting plate 14 corresponding to the positioning rod 9, and the positioning rod 9 is inserted in, the limiting plate 14 is matched with the limiting groove 8, a snap ring 15 is fixedly installed at the middle position of the front wall of the protective box 1, the snap ring 15 is a semicircular snap ring, a rubber layer is adhered to one side face, away from the protective box 1, of the snap ring 15, the snap ring 15 is matched with an arm, the height of the snap ring 15 is the same as that of the protective box 1, a storage battery 16 is fixedly installed at the left side inside the cover plate 12, electricity can be provided for the sound control sensor 17 and the warning lamp 18 through the storage battery 16, the sound control sensor 17 controls the warning lamp 18 to light, the wireless Bluetooth headset 7 can be found well without night, the sound control sensor 17 and the warning lamp 18 are fixedly installed in the top of the cover plate 12, the sound control sensor 17 and the storage battery 16 are arranged oppositely, the warning lamp 18 is fixedly installed at the center position of the top of the cover plate 12, the sound control sensor 17 and the warning, the binding device 19 comprises a storage box 20, the storage box 20 is fixedly installed on the rear wall of the protective box 1, a left winding roller 21 and a right winding roller 22 are arranged inside the storage box 20, the right winding roller 22 is located on the right side of the left winding roller 21, so that the left winding roller 21 and the right winding roller 22 can wind and unwind a left cloth belt 26 and a right cloth belt 30, rotating shafts 23 are fixedly installed at the upper ends and the lower ends of the left winding roller 21 and the right winding roller 22, the rotating shafts 23 are installed on the inner wall of the storage box 20 through bearings, torsion springs 24 are sleeved on the rotating shafts 23, one ends of the torsion springs 24 are fixedly installed on the inner wall of the storage box 20, the other ends of the torsion springs 24 are fixedly connected to the left winding roller 21 and the right winding roller 22, pin rods 25 are inserted into the positions, corresponding to the rotating shafts 23, of the pin rods 25 are inserted into the rotating shafts 23, so that the positions of the rotating shafts 23 can be conveniently located through the pin rods 25, the splicing part of the pin rod 25 and the rotating shaft 23 is of a regular hexagon structure, a left cloth belt 26 is wound on the left winding roller 21, the left cloth belt 26 is matched with the placing plate 3 conveniently, the left cloth belt 26 and the right cloth belt 30 can be wound on the arm, a limiting box 27 is fixedly installed at one end, far away from the left winding roller 21, of the left cloth belt 26, a cavity 28 is formed in the top of the limiting box 27, an inserting plate 31 is conveniently spliced into the cavity 28, at the moment, a spring II36 drives a locking rod 33 and a second magnet 34 to be spliced into the cavity 28, at the moment, the second magnet 34 and the first magnet 29 are adsorbed together, the inserting plate 31 can be locked in the cavity 28, the left cloth belt 26 and the right cloth belt 30 are better limited on the arm, the wireless Bluetooth headset 7 can be better carried conveniently and is not easy to be lost, the first magnet 29 is fixedly installed inside the upper end and the lower end of the cavity 28, the right, one end fixed mounting that right strap 30 kept away from right wind-up roll 22 has picture peg 31, picture peg 31 pegs graft in cavity 28, the activity groove 32 has been seted up in the picture peg 31 top, the inside activity of activity groove 32 is pegged graft and is had the relative locking lever 33 that sets up, the relative one end fixed mounting of first magnet 29 of locking lever 33 has second magnet 34, and second magnet 34 adsorbs on first magnet 29, the one end fixed mounting that second magnet 34 was kept away from to locking lever 33 has arm-tie 35, and arm-tie 35 activity is pegged graft in activity groove 32, spring II36 has been cup jointed on the locking lever 33, and spring II36 one end and the interior wall connection of activity groove 32, the other end and arm-tie 35 fixed connection, right strap 30 and pivot 23 are the elasticity strap.

The working principle is as follows:

according to the invention, when the wireless Bluetooth headset 7 is carried, the wireless Bluetooth headset 7 is inserted into the buffer box 2, the wireless Bluetooth headset 7 is pressed on the top of the placing plate 3, the pull disc 10 is pulled towards the opposite direction of the protection box 1, the positioning rod 9 is separated from the limiting groove 8, the cover plate 12 is turned over, the cover plate 12 is pressed on the top of the protection box 1, the limiting pad 13 is inserted into the buffer box 2, the limiting pad 13 is clamped on the top of the wireless Bluetooth headset 7, the limiting plate 14 is inserted into the limiting groove 8, the pull disc 10 is loosened, the positioning rod 9 is driven by the spring I11, the positioning rod 9 is inserted into the limiting plate 14, and the cover plate 12 can be limited on the top of the protection box 1.

According to the invention, the snap ring 15 is clamped on an arm, the pin rod 25 is pulled out from the rotating shaft 23, the limiting box 27 and the inserting plate 31 are pulled to drive the left cloth belt 26 and the right cloth belt 30 to move outwards, the left cloth belt 26 and the right cloth belt 30 can be encircled on the arm at the moment, the pulling plate 35 is pulled to the opposite position, the second magnet 34 is accommodated in the movable groove 32, the inserting plate 31 is inserted into the cavity 28, the pulling plate 35 is loosened at the moment, and the locking rod 33 and the second magnet 34 are driven by the spring II36 to move the position of the second magnet 34 to 39 and adsorb the first magnet 29 together.

In the invention, when the wireless Bluetooth headset 7 needs to be found at night, the voice control sensor 17 controls the warning lamp 18 to light up when the voice control sensor 17 receives a signal through calling, so that the warning effect can be achieved, and the wireless Bluetooth headset 7 can be found better.

It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a true wireless bluetooth headset convenient to carry, includes guard box (1), its characterized in that: the safety box comprises a protective box (1), a buffer box (2) is fixedly installed in the protective box (1), a placing plate (3) is movably inserted into the bottom end of the inner portion of the buffer box (2), through grooves (4) which are oppositely arranged are formed in the right sides of the protective box (1) and the buffer box (2), a pull rod (5) is fixedly installed on the position of the placing plate (3) opposite to the through grooves (4), the pull rod (5) is movably inserted into the through grooves (4), a push plate (6) is fixedly installed at one end, far away from the placing plate (3), of the pull rod (5), the push plate (6) is attached to the outer wall of the protective box (1), a wireless Bluetooth headset (7) is inserted into the inner portion of the buffer box (2), the wireless Bluetooth headset (7) is pressed on the top of the placing plate (3), limiting grooves (8) which are oppositely arranged are formed in the two sides in front of the top of the protective box (1), and a positioning rod (9) is movably inserted into the position of the limiting, a positioning rod (9) is inserted into the limiting groove (8), a pull disc (10) is fixedly mounted at the front end of the positioning rod (9), a spring I (11) is sleeved on the positioning rod (9), a cover plate (12) is mounted at the rear of the top of the protection box (1) through a hinge, a limiting pad (13) is fixedly mounted on the position of the cover plate (12) relative to the wireless Bluetooth headset (7), the limiting pad (13) is inserted into the buffer box (2), the limiting pad (13) is clamped on the wireless Bluetooth headset (7), a limiting plate (14) is fixedly mounted on the position of the cover plate (12) relative to the limiting groove (8), the limiting plate (14) is inserted into the limiting groove (8), the positioning rod (9) is inserted into the limiting plate (14), a clamping ring (15) is fixedly mounted at the middle position of the front wall of the protection box (1), a storage battery (16) is fixedly mounted on the left side of the interior of the cover plate (12, fixed mounting has acoustic control sensor (17) and warning light (18) in the top of apron (12), the rear fixed mounting of protective housing (1) has binding device (19).

2. A portable true wireless bluetooth headset according to claim 1, wherein: the buffer box is characterized in that the pull rod (5) is matched with the through groove (4), a sealing ring is bonded on the inner wall of the through groove (4), a through hole is formed in the position, corresponding to the positioning rod (9), of the limiting groove (8), the positioning rod (9) is movably inserted into the through hole, and the buffer box (2) is a sponge box.

3. A portable true wireless bluetooth headset according to claim 1, wherein: the both ends of spring I (11) respectively with protective housing (1) and the opposite face fixed connection who draws dish (10), spacing pad (13) and baffle-box (2) looks adaptation, spacing pad (13) and the block face looks adaptation of wireless bluetooth headset (7).

4. A portable true wireless bluetooth headset according to claim 1, wherein: the position of the limiting plate (14) relative to the positioning rod (9) is provided with a positioning hole, the positioning rod (9) is inserted into the positioning hole, and the limiting plate (14) is matched with the limiting groove (8).

5. A portable true wireless bluetooth headset according to claim 1, wherein: the clamping ring (15) is a semicircular clamping ring, a rubber layer is adhered to one side face, away from the protective box (1), of the clamping ring (15), the clamping ring (15) is matched with an arm, and the clamping ring (15) is as high as the protective box (1).

6. A portable true wireless bluetooth headset according to claim 1, wherein: the sound control sensor (17) and the storage battery (16) are arranged oppositely, the warning lamp (18) is fixedly installed at the center of the top of the cover plate (12), the sound control sensor (17) and the warning lamp (18) are electrically connected with the storage battery (16), and the limiting pad (13) is a sponge pad.

7. A portable true wireless bluetooth headset according to claim 1, wherein: bind device (19) including receiver (20), the back wall fixed mounting of guard box (1) has receiver (20), the inside of receiver (20) is provided with left wind-up roll (21) and right wind-up roll (22), and right wind-up roll (22) are located the right side of left wind-up roll (21), the equal fixed mounting in both ends has pivot (23) about left wind-up roll (21) and right wind-up roll (22), and pivot (23) pass through the bearing and install on the inner wall of receiver (20).

8. A portable true wireless bluetooth headset according to claim 7, wherein: the utility model discloses a storage box, including pivot (23), torsional spring (24), other end fixed connection of torsional spring (24) are on left wind-up roll (21) and right wind-up roll (22), the position of the relative pivot (23) in top of receiver (20) is pegged graft and is had pin rod (25), and in pin rod (25) peg graft pivot (23), pin rod (25) and pivot (23) grafting department are regular hexagon structure.

9. A portable true wireless bluetooth headset according to claim 7, wherein: it has left strap (26) to surround on left wind-up roll (21), the one end fixed mounting that left wind-up roll (21) was kept away from in left strap (26) has spacing box (27), and has seted up cavity (28) in spacing box (27) top, the inside fixed mounting in upper and lower both ends of cavity (28) has first magnet (29).

10. A portable true wireless bluetooth headset according to claim 7, wherein: the utility model discloses a take-up device, including right side wind-up roll (22), the one end fixed mounting who has right strap (30) on the right side wind-up roll (22), right side strap (30) are kept away from right side wind-up roll (22) have picture peg (31), picture peg (31) are pegged graft in cavity (28), seted up movable groove (32) in picture peg (31) top, movable groove (32) inside activity is pegged graft and is had relative locking lever (33) that sets up, the one end fixed mounting of locking lever (33) first magnet (29) relatively has second magnet (34), and second magnet (34) adsorb on first magnet (29), the one end fixed mounting that second magnet (34) were kept away from in locking lever (33) has arm-tie (35), and arm-tie (35) activity is pegged graft in movable groove (32), spring II (36) have been cup jointed on locking lever (33), and spring II (36) one end and movable groove (32) inner wall, the other end is fixedly connected with a pulling plate (35), and the right cloth belt (30) and the rotating shaft (23) are elastic cloth belts.