CN216122846U

CN216122846U - Twist reverse clamping structure and behind wear formula bone conduction earphone equipment

Info

Publication number: CN216122846U
Application number: CN202122741936.8U
Authority: CN
Inventors: 郭涛; 黄凤玲; 王希明
Original assignee: Suzhou Dengbao Electronic Technology Co ltd
Current assignee: Suzhou Dengbao Electronic Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-22
Anticipated expiration: 2031-11-10

Abstract

The utility model provides a torsion clamping structure, which comprises a left ear vibrator box, a right ear vibrator box, a connecting piece, a first arc-shaped elastic arm and a second arc-shaped elastic arm, wherein the first arc-shaped elastic arm and the second arc-shaped elastic arm are symmetrically arranged on two sides of the connecting piece; the first end of the first arc-shaped elastic arm is connected with the first end of the connecting piece, the second end of the first arc-shaped elastic arm is connected with the left ear vibrator box, the first end of the second arc-shaped elastic arm is connected with the second end of the connecting piece, and the second end of the second arc-shaped elastic arm is connected with the right ear vibrator box; under the state of stewing, first arc elastic arm and the crooked setting of second arc elastic arm subtend, the bottom of the second end of first arc elastic arm is laminated in the top of second arc elastic arm, and the top of the second end of second arc elastic arm is laminated in the bottom of first arc elastic arm, and the working face of left ear oscillator box and the working face of right ear oscillator box all face the top. The space is small in volume and stable in wearing. The utility model also provides a behind-the-head bone conduction earphone with the twisting clamping structure.

Description

Twist reverse clamping structure and behind wear formula bone conduction earphone equipment

Technical Field

The utility model relates to the technical field of earphone equipment, in particular to a torsion clamping structure and a behind-the-head bone conduction earphone device.

Background

The back-wearing bone conduction earphone is worn on the head by winding the earphone bracket around the brain.

The traditional behind-the-head bone conduction earphone bracket comprises a main bracket, a left ear vibrator box and a right ear vibrator box; the main bracket comprises a U-shaped bracket, a U-shaped left ear hook and a U-shaped right ear hook, the first end of the U-shaped left ear hook is connected with the first end of the U-shaped bracket, the plane formed by the U-shaped left ear hook is approximately vertical to the plane formed by the U-shaped bracket, and the second end of the U-shaped left ear hook is connected with the left ear vibrator box; the first end of the U-shaped right ear hanger is connected with the second end of the U-shaped support, the plane formed by the U-shaped right ear hanger is approximately vertical to the plane formed by the U-shaped support, and the second end of the U-shaped right ear hanger is connected with the right ear vibrator box. When the device is worn, the opening of the U-shaped support is expanded by utilizing the elasticity of the two clamping arms of the U-shaped support so as to wind the U-shaped support on the back of the brain, the U-shaped left ear hanger and the U-shaped right ear hanger are clamped into the left ear and the right ear from top to bottom respectively, the clamping is stable, and the left ear vibrator box and the right ear vibrator box are respectively stuck into the left ear hole and the right ear hole so as to transmit sound to the ears.

However, the conventional behind-the-head bone conduction headset has the following problems during use: 1. the shape space volume of earphone when not wearing is great to because the existence of ear-hang for the earphone is than higher in the direction of height size, no matter be adorned in the pocket or take up in the bag and all can occupy great space, is inconvenient to carry with oneself. 2. In order to adapt to a skull with a larger size, the size of the U-shaped bracket is often designed to be larger, so that when most people wear the earphone, the neck ring part of the U-shaped bracket has larger space allowance behind the brain of the human body, and the wearing is loose and unstable; and when the neck ring part of the U-shaped support is close to the collar, the neck ring part is easy to prop against the collar, the freedom degree of the head movement of a wearer is influenced, the neck ring is very uncomfortable, and the traditional behind-wearing bone conduction earphone cannot be used basically if the neck ring is high or when a helmet, a scarf and other articles are worn. 3. Need connect the commercial power when charging, and because the size is great when not wearing, even use and remove the treasured that charges, whole volume carries the difficulty, charges inconveniently carrying the in-process.

Therefore, there is a need for a wearable bone conduction headset that is portable, stable and comfortable to wear, and easy to charge.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the problems in the art described above, the present invention is at least partially addressed. To this end, a first object of the present invention is to provide a twist grip structure that can be used as a headset holder, that is small in space volume, and that enables a headset to be worn stably.

The second objective of the present invention is to provide a behind-the-head bone conduction earphone device with the above twisting clamping structure.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the main technical scheme that:

on one hand, the utility model provides a torsion clamping structure which comprises a left ear vibrator box, a right ear vibrator box, a connecting piece, a first arc-shaped elastic arm and a second arc-shaped elastic arm, wherein the first arc-shaped elastic arm and the second arc-shaped elastic arm are symmetrically arranged on two sides of the connecting piece; the first end of the first arc-shaped elastic arm is connected with the first end of the connecting piece, the second end of the first arc-shaped elastic arm is connected with the left ear vibrator box, the first end of the second arc-shaped elastic arm is connected with the second end of the connecting piece, and the second end of the second arc-shaped elastic arm is connected with the right ear vibrator box; the first arc-shaped elastic arm comprises a first arc-shaped soft rubber pipe and a first arc-shaped elastic metal wire, and the first arc-shaped elastic metal wire is wrapped in the first arc-shaped soft rubber pipe; the second arc-shaped elastic arm comprises a second arc-shaped soft rubber pipe and a second arc-shaped elastic metal wire, and the second arc-shaped elastic metal wire is wrapped in the second arc-shaped soft rubber pipe;

under the state of stewing, first arc elastic arm and the crooked setting of second arc elastic arm subtend, the bottom of the second end of first arc elastic arm is laminated in the top of second arc elastic arm, and the top of the second end of second arc elastic arm is laminated in the bottom of first arc elastic arm, and the working face of left ear oscillator box and the working face of right ear oscillator box all face the top.

Optionally, the surrounding closed shape of the twist clamp structure is an ellipse-like shape, the connector being located at a wide end of the ellipse-like shape.

Optionally, the lengths of the first arc-shaped elastic arm and the second arc-shaped elastic arm are both smaller than the circumference of the quasi-ellipse; the length of the torsion clamping structure after being completely stretched is 300 mm-500 mm.

Optionally, the first arc-shaped elastic arm comprises a first narrow end part, a first connecting part and a first wide end part which are connected in sequence, the first narrow end part is connected with the connecting part, and the first wide end part is connected with the left ear vibrator box; the curvature radius of the first narrow end part is 40 mm-70 mm, the curvature radius of the first connecting part is 60 mm-100 mm, and the curvature radius of the first wide end part is 20 mm-35 mm;

the second arc-shaped elastic arm comprises a second narrow end part, a second connecting part and a second wide end part which are sequentially connected, the second narrow end part is connected with the connecting piece, and the second wide end part is connected with the right ear vibrator box; the radius of curvature of the second narrow end portion is 40mm to 70mm, the radius of curvature of the second connecting portion is 60mm to 100mm, and the radius of curvature of the second wide end portion is 20mm to 35 mm.

Optionally, in the resting state, the left ear vibrator box and the right ear vibrator box are both located within the surrounding closed shape of the torsional clamping structure.

Optionally, in the resting state, the action surface of the left ear vibrator box is arranged to face the action surface of the right ear vibrator box.

Optionally, the connector comprises a main control box for accommodating the battery and the control assembly; the first end of main control box is connected with first arc elastic arm, and the second end of main control box is connected with second arc elastic arm.

Optionally, the first arc-shaped elastic arm comprises a first narrow end part, a first connecting part and a first wide end part which are connected in sequence, the first narrow end part is connected with the connecting part, and the first wide end part is connected with the left ear vibrator box; the second arc-shaped elastic arm comprises a second narrow end part, a second connecting part and a second wide end part which are sequentially connected, the second narrow end part is connected with the connecting piece, and the second wide end part is connected with the right ear vibrator box; the first wide end portion is formed with a first rising portion that is curved to protrude downward, and the second wide end portion is formed with a second rising portion that is curved to protrude downward.

Optionally, in a standing state, a first magnetic attraction mechanism is disposed at a position on the first arc-shaped elastic arm overlapping the second arc-shaped elastic arm, a second magnetic attraction mechanism is disposed at a position on the second arc-shaped elastic arm overlapping the first magnetic attraction mechanism, and the first magnetic attraction mechanism and the second magnetic attraction mechanism attract each other.

In another aspect, the utility model provides a behind-the-head bone conduction earphone device, comprising a PCBA board, a battery, an audio line, a bone conduction vibrator, and the above-mentioned torsion clamping structure; PCBA board is connected with the battery electricity, and PCBA board passes through the audio line and is connected with the osteoacusis oscillator electricity, twists reverse clamping structure and is used for supporting PCBA board, battery, audio line and osteoacusis oscillator.

(III) advantageous effects

The utility model has the beneficial effects that:

1. the torsion clamping structure provided by the utility model has the advantages that the space volume is small in a standing state, the size in the height direction is small, and the carrying is convenient; when the head-wearing earphone is worn, the head-wearing earphone adapts to different sizes of the skull, the neck ring part of the earphone bracket can be always close to the human body, the discomfort caused by the contact of the earphone bracket and objects such as the collar and the like when the head is moved is effectively reduced, and the wearing is stable.

2. Through setting up the connecting piece into the master control box, when not influencing earphone bracket and wear comfortable, stable when using, realized the rearmounted of PCBA board and battery, alleviateed the anterior (left and right ear oscillator box) weight of earphone, the whole weight of dispersion, further improve and wear stability and travelling comfort.

3. The magnetic attraction mechanism is arranged at the overlapping position of the first arc-shaped elastic metal wire and the second arc-shaped elastic metal wire, so that the problems of drooping and loosening of the first arc-shaped elastic metal wire and the second arc-shaped elastic metal wire when the earphone support is not used are effectively limited, and the earphone support is convenient to carry.

Drawings

The utility model is described with the aid of the following figures:

FIG. 1 is a schematic structural view of a twist clamp structure in a static state according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a twist grip structure according to embodiment 1 of the present invention after the first and second curved elastic arms are opened;

fig. 3 is a schematic structural view of the twist clamping structure in a first viewing angle in a wearing state according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of the twist grip structure in a second viewing angle in a wearing state according to embodiment 1 of the present invention;

fig. 5 is a rear view schematically showing a twist grip structure in embodiment 1 of the present invention;

fig. 6 is a schematic view of the connection between the first arc-shaped elastic arm and the left ear resonator box in embodiment 1 of the present invention;

FIG. 7 is a schematic view showing the connection of the second curved elastic arm to the right ear resonator case in embodiment 1 of the present invention;

fig. 8 is a schematic sectional view in the front-rear direction of a twist grip structure in embodiment 1 of the present invention;

FIG. 9 is a bottom view of the twist clamp structure of example 1 of the present invention, showing a first magnetic attraction mechanism;

FIG. 10 is a schematic top view of the twist clamping mechanism of example 1 showing a second magnetic attraction mechanism;

fig. 11 is a schematic structural diagram of a behind-the-head bone conduction earphone device according to embodiment 2 of the present invention;

fig. 12 is a schematic front view of the torsional clamping structure of embodiment 3 of the present invention with the second curved spring arm and the right ear resonator box hidden;

fig. 13 is a schematic front view of the torsional clamping structure of embodiment 3 of the present invention with the first curved elastic arm and the left ear resonator box hidden;

fig. 14 is a schematic structural view of a twist grip structure in a worn state according to embodiment 3 of the present invention;

fig. 15 is a schematic structural view of the twist clamp structure in a static state according to embodiment 4 of the present invention.

[ description of reference ]

1: a left ear vibrator box; 11: the action surface of the left ear vibrator box; 12: a first elongated portion;

2: a right ear vibrator box; 21: the action surface of the right ear vibrator box; 22: a second elongated portion;

31: a neck ring portion; 32: a master control box; 33: an outwardly convex arcuate surface; 34: an arc face protruding inwards;

4: a first arcuate spring arm; 41: a first U-shaped ear-hanging position; 42: a first narrow end portion; 43: a first connection portion; 44: a first wide end portion; 45: a first arc-shaped flexible rubber pipe; 46: a first arcuate resilient wire; 47: a first magnetic attraction mechanism; 48: a first raised portion;

5: a second arc-shaped elastic arm; 51: a second U-shaped ear-hanging position; 52: a second narrow end portion; 53: a second connecting portion; 54: a second wide end portion; 55: a second arc-shaped flexible rubber pipe; 56: a second arc-shaped elastic metal wire; 57: a second magnetic attraction mechanism; 58: a second raised portion;

61: a first audio line; 62: a second audio line;

7: a third arc-shaped elastic arm;

8: a first junction box;

9: a second junction box.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that the terms "upper", "lower", "left", "right", and the like are used herein with reference to the orientation of fig. 5.

Example 1

The use principle of traditional behind-the-head earphone support does: the U-shaped elastic support is used for providing clamping force for the electroacoustic box (left ear and right ear) by utilizing unidirectional elastic force (expansion resilience force). Under the guidance of the above usage principle, the designed behind-the-head earphones tend to cause the problems described in the background art.

To this end, the present application proposes a twist clamping structure as a headset holder based on a new headset holder usage principle, as shown in fig. 1 to 10.

As shown in fig. 1, the torsion clamping structure comprises a left ear vibrator box 1, a right ear vibrator box 2, a connecting piece, and a first arc-shaped elastic arm 4 and a second arc-shaped elastic arm 5 which are symmetrically arranged at two sides of the connecting piece; the first end of the first arc-shaped elastic arm 4 is connected with the first end of the connecting piece, the second end of the first arc-shaped elastic arm 4 is connected with the left ear vibrator box 1, the first end of the second arc-shaped elastic arm 5 is connected with the second end of the connecting piece, and the second end of the second arc-shaped elastic arm 5 is connected with the right ear vibrator box 2; under the state of stewing, first arc elastic arm 4 and the crooked setting of second arc elastic arm 5 subtend, the bottom of the second end of first arc elastic arm 4 pastes in the top of second arc elastic arm 5, and the top of the second end of second arc elastic arm 5 pastes in the bottom of first arc elastic arm 4, and the working face 11 of left ear oscillator box and the working face 21 of right ear oscillator box all face the top, as shown in fig. 5.

The action surface 11 of the left ear vibrator box refers to a position on the left ear vibrator box 1 for the bone conduction vibrator to transmit sound waves to a human body, and the action surface 21 of the right ear vibrator box refers to a position on the right ear vibrator box 2 for the bone conduction vibrator to transmit sound waves to the human body. The bone conduction vibrators are positioned in the left ear vibrator box 1 and the right ear vibrator box 2.

With the twisting and clamping structure, when in use, the left ear vibrator box 1 and the right ear vibrator box 2 can be respectively held by two hands, and are expanded outwards while being twisted downwards (the outer meaning that the twisting and clamping structure is out of a surrounding closed shape formed in a standing state), and the first arc-shaped elastic arm 4 and the second arc-shaped elastic arm 5 are opened, so that a skull can be accommodated between the first arc-shaped elastic arm 4 and the second arc-shaped elastic arm 5. As shown in fig. 2, in the above-mentioned process of opening the first and second curved

resilient arms

4 and 5, due to the torsional resilience of the first and second curved

resilient arms

4 and 5, the neck ring portion 31 of the twist grip structure (i.e. the neck ring portion 31, i.e. the first end of the first curved resilient arm 4, the first end of the second curved resilient arm 5 and the connecting member) is naturally lowered, meanwhile, due to the twisting of the second end of the first arc-shaped elastic arm 4 and the lowering of the first end of the first arc-shaped elastic arm 4, a first U-shaped hanging lug position 41 is formed at the position, close to the second end of the first arc-shaped elastic arm 4, in the middle of the first arc-shaped elastic arm 4, due to the twisting of the second end of the second curved elastic arm 5 and the lowering of the first end of the second curved elastic arm 5, a second U-shaped hanging lug position 51 is formed at the middle part of the second curved elastic arm 5 near the second end of the second curved elastic arm 5. As shown in fig. 3 and 4, when the opened torsion clamping structure is worn on the skull with different sizes, the action surface 11 of the left ear vibrator box is clung to the left side of the skull, the action surface 21 of the right ear vibrator box is clung to the right side of the skull, the two U-shaped hanging lug positions are suitable for being hung on the ears, the neck ring part 31 which is naturally placed downwards can always be clung to the human body without too many gaps, the upper and lower positions of the neck ring part 31 which is contacted with the human body are different according to the sizes of the skull of a wearer, and the discomfort caused by the contact of the human body with articles such as a collar and the like when the head is moved is effectively reduced; and three-point positioning is realized through the matching of the two U-shaped ear hanging positions and the neck ring part 31, and the stability of the torsion clamping structure after being worn is enhanced.

In addition, the torsion clamping structure arranged as above is in a standing state, and because the size in the height direction (namely the up-down direction) is small, the first arc-shaped elastic arm 4 and the second arc-shaped elastic arm 5 are overlapped, so that the occupied space is small, and the carrying is convenient.

In addition, as the torsion clamping structure arranged above, the torsion resilience force and the expansion resilience force of the first arc-shaped elastic arm 4 and the second arc-shaped elastic arm 5 are utilized to provide clamping force for the left ear vibrator box 1 and the right ear vibrator box 2, so that the wearing is more stable.

In summary, the torsional clamping structure provided by the embodiment has a small space volume in a standing state, and is small in size in the height direction and convenient to carry; when the head-wearing earphone is worn, the head-wearing earphone adapts to different sizes of the skull, the neck ring part 31 of the earphone bracket can be always close to the human body, the discomfort caused by the contact of the earphone bracket and objects such as the collar and the like when the head is moved is effectively reduced, and the wearing is stable.

Preferably, as shown in fig. 1, 9 and 10, the circumferential closed shape of the twist clamp is an ellipse-like shape, with the connector at the wide end of the ellipse-like shape. Further, the connecting member is located at the first wide end of the quasi-elliptical shape, the second end of the first arc-shaped elastic arm 4 extends out of the second wide end of the quasi-elliptical shape and is close to the narrow end of the quasi-elliptical shape, and the second end of the second arc-shaped elastic arm 5 extends out of the second wide end of the quasi-elliptical shape and is close to the narrow end of the quasi-elliptical shape. The torsion clamping structure further ensures the fitting of the neck ring part 31 and a human body in a wearing state and the adaptation of the two ear hanging positions and the ears, so that the wearing is more stable and comfortable.

Further preferably, the lengths of the first arc-shaped elastic arm 4 and the second arc-shaped elastic arm 5 are both smaller than the circumference of the quasi-ellipse, and the length of the fully stretched torsional clamping structure is 300 mm-500 mm.

Further preferably, as shown in fig. 9 and 10, the first arc-shaped elastic arm 4 includes a first narrow end portion 42 (i.e., a portion for forming an ellipse-like narrow end), a first connecting portion 43, and a first wide end portion 44 (i.e., a portion for forming an ellipse-like wide end) connected in this order, the first narrow end portion 42 is connected to the connecting member, the first wide end portion 44 is connected to the left ear resonator box 1, the first narrow end portion 42 has a curvature radius of 40mm to 70mm, the first connecting portion 43 has a curvature radius of 60mm to 100mm, and the first wide end portion 44 has a curvature radius of 20mm to 35 mm; the second arc-shaped elastic arm 5 comprises a second narrow end part 52, a second connecting part 53 and a second wide end part 54 which are sequentially connected, wherein the second narrow end part 52 is connected with the connecting part, the second wide end part 54 is connected with the right ear oscillator box 2, the curvature radius of the second narrow end part 52 is 40 mm-70 mm, the curvature radius of the second connecting part 53 is 60 mm-100 mm, and the curvature radius of the second wide end part 54 is 20 mm-35 mm.

Preferably, in the rest state, the left ear oscillator box 1 and the right ear oscillator box 2 are both located within the surrounding closed shape of the torsional clamping structure. Thus, the skull bone sound wave receiving device accords with ergonomics and is suitable for being attached to the positions, corresponding to the sound wave receiving positions, of the skull bone, of the action surface 11 of the left ear vibrator box and the action surface 21 of the right ear vibrator box in a wearing state.

Preferably, in the rest state, the active surface 11 of the left ear vibrator box is arranged facing the active surface 21 of the right ear vibrator box, as shown in fig. 5. Therefore, when the skull clamp is worn, the action surface 11 of the left ear vibrator box and the action surface 21 of the right ear vibrator box are clamped on two sides of the skull, the clamping of the second end of the first arc-shaped elastic arm 4 and the second end of the second arc-shaped elastic arm 5 to the skull is avoided, the compression of the torsion clamping structure to the skull is reduced, and the skull clamp is comfortable to wear.

Further preferably, as shown in fig. 5, in the resting state, an included angle a1 formed by the plane of the first arc-shaped elastic arm 4 and the action surface 11 of the left ear vibrator box is 0 to 30 °, and an included angle a2 formed by the plane of the second arc-shaped elastic arm 5 and the action surface 21 of the right ear vibrator box is 0 to 30 °.

Preferably, a first extension 12 is arranged at a first end of the left ear oscillator box 1, and the first extension 12 is connected with a second end of the first arc-shaped elastic arm 4; a second extension 22 is provided at a first end of the right ear vibrator box 2, the second extension 22 being connected to a second end of the second curved resilient arm 5. Thus, the clothes are more suitable for being worn by a human body. Further preferably, as shown in fig. 6 and 7, the included angle B1 between the length direction of the first elongated portion 12 and the tangent direction of the second end of the first arc-shaped elastic arm 4 is 90 ° to 170 °; the included angle B1 between the length direction of the second extension part 22 and the tangential direction of the second end of the second arc-shaped elastic arm 5 is 90-170 degrees.

Preferably, as shown in fig. 1, the first arc-shaped elastic arm 4 includes a first arc-shaped soft rubber tube 45 and a first arc-shaped elastic metal wire 46, the first arc-shaped elastic metal wire 46 is inserted into the first arc-shaped soft rubber tube 45, and the outside of the first arc-shaped elastic metal wire 46 is wrapped by the first arc-shaped soft rubber tube 45; the second arc elastic arm 5 comprises a second arc soft rubber pipe 55 and a second arc elastic metal wire 56, the second arc elastic metal wire 56 is inserted into the second arc soft rubber pipe 55, and the outside of the second arc elastic metal wire 56 is wrapped by the second arc soft rubber pipe 55. The first arc-shaped elastic arm 4 and the second arc-shaped elastic arm 5 are arranged in such a way as to facilitate twisting and expansion.

Preferably, as shown in fig. 1, the connector includes a main control box 32 for accommodating the battery and the control assembly, a first end of the main control box 32 is connected with the first arc-shaped elastic arm 4, and a second end of the main control box 32 is connected with the second arc-shaped elastic arm 5. The control components housed within the main control box 32 are typically a PCBA board on which the bluetooth transport module is carried. Through setting up the connecting piece into main control box 32, do not influence to twist reverse the centre gripping structure and wear comfortable, stable when using, can realize the rearmounted of control assembly and battery to the whole weight of dispersion further improves and wears stability and travelling comfort.

Further preferably, as shown in fig. 8-10, the inner side of the main control box 32 (the "inner" means inside the surrounding closed shape formed by the twist-grip structure in the resting state) is an arc-shaped surface. Specifically, the inner side surface of the main control box 32 is formed with an outwardly convex arc surface 33 in the left-right direction, and the inner side surface of the main control box 32 is formed with an inwardly convex arc surface 34 in the up-down direction. Thus, the wearing is more comfortable.

Preferably, as shown in fig. 9 and 10, in the standing state, a first magnetic attraction mechanism 47 is disposed on the first arc-shaped elastic arm 4 and overlapped with the second arc-shaped elastic arm 5, a second magnetic attraction mechanism 57 is disposed on the second arc-shaped elastic arm 5 and overlapped with the first magnetic attraction mechanism 47, and the first magnetic attraction mechanism 47 and the second magnetic attraction mechanism 57 attract each other. The first magnetic attraction mechanism 47 can be a magnet, and the second magnetic attraction mechanism 57 can be an iron sheet. Inhale mechanism 47 and second magnetism through setting up first arc elastic arm 4 and second arc elastic arm 5 of mechanism 57 absorption under the state of stewing, effectively prevent first arc elastic arm 4 and second arc elastic arm 5 under the state of stewing and have the problem of drooping, unclamping, portable guarantees the whole aesthetic feeling of product appearance.

Further preferably, a plurality of first magnetic attraction mechanisms 47 are disposed on the first arc-shaped elastic arm 4 at positions overlapping with the second arc-shaped elastic arm 5, and a second magnetic attraction mechanism 57 is disposed on each position overlapping with the first magnetic attraction mechanism 47 on the second arc-shaped elastic arm 5. Thus, the attraction effect is enhanced by the cooperation of a plurality of pairs of the first magnetic attraction mechanisms 47 and the second magnetic attraction mechanisms 57.

Example 2

This embodiment provides a behind-the-head bone conduction headset device having the torsional clamping structure of embodiment 1, as shown in fig. 11. The behind-the-head bone conduction earphone device further comprises a PCBA board, a battery, a first audio line 61, a second audio line 62 and a bone conduction vibrator.

The PCBA board and the battery are fixedly arranged in the main control box 32 and are arranged close to each other; the left ear vibrator box 1 and the right ear vibrator box 2 are both fixedly provided with bone conduction vibrators; a first SR terminal is provided at a first end of the main control box 32, a second SR terminal is provided at a second end of the main control box 32, a third SR terminal is provided at the first elongated portion 12, and a fourth SR terminal is provided at the second elongated portion 22. The battery is connected with the PCBA board, the PCBA board is electrically connected with the first end of the first audio line 61 through the first SR terminal, the PCBA board is electrically connected with the first end of the second audio line 62 through the second SR terminal, the second end of the first audio line 61 is electrically connected with the bone conduction vibrator in the left ear vibrator box 1 through the third SR terminal, and the second end of the second audio line 62 is electrically connected with the bone conduction vibrator in the right ear vibrator box 2 through the fourth SR terminal.

Further, a Bluetooth module is electrically connected to the surface of the PCBA board. For signal transmission.

Further, the first audio line 61 is inserted into the first arc-shaped soft rubber tube 45, and the outside of the first audio line 61 is wrapped by the first arc-shaped soft rubber tube 45; the second audio line 62 is inserted into the second arc-shaped soft rubber tube 55, and the outside of the second audio line 62 is wrapped by the second arc-shaped soft rubber tube 55.

Further, the main control box 32 is provided with an on-off key installation position. Preferably, the on-off key mounting position is provided on an upper side plate of the main control box 32. Of course, the on-off key mounting positions may be provided on the left ear vibrator box 1 and the right ear vibrator box 2.

Furthermore, a volume adding key installation position, a multifunctional key installation position and a volume reducing key installation position are arranged on the left ear vibrator box 1 and/or the right ear vibrator box 2.

Example 3

The present embodiment is mainly different from embodiment 1 in that:

as shown in fig. 12 to 14, in the resting state, in the first arc-shaped elastic arm 4, the first wide end portion 44 is formed with a first bulge portion 48 that is bent to protrude downward; in the second arc-shaped elastic arm 5, the second wide end portion 54 is formed with a second bulge portion 58 that bulges downward by bending. The torsion clamping structure that so sets up is under wearing the state, and first uplift portion 48 and second uplift portion 58 all can be to skull outside uplift to avoid the skull to be located the bulge behind the left ear and the bulge behind the right ear, reduce the oppression of torsion clamping structure to the formation of head bulge, improve and wear the comfort.

The rest of the process is the same as that of embodiment 1, and the description thereof is omitted.

Example 4

The present embodiment is mainly different from embodiment 1 in that:

as shown in fig. 15, the connecting member includes a third arc-shaped elastic arm 7, a first connecting box 8 for accommodating the control assembly and a second connecting box 9 for accommodating the battery, a first end of the first connecting box 8 is connected to the first arc-shaped elastic arm 4, a second end of the first connecting box 8 is connected to a first end of the third arc-shaped elastic arm 7, a second end of the third arc-shaped elastic arm 7 is connected to a first end of the second connecting box 9, and a second end of the second connecting box 9 is connected to the second arc-shaped elastic arm 5. So, can realize the rearmounted of control assembly and battery equally to disperse whole weight, further improve and wear stability and travelling comfort.

Further, the third arc elastic arm 7 comprises a third arc soft rubber hose and a third arc elastic metal wire, the third arc elastic metal wire is inserted into the third arc soft rubber hose, and the third arc elastic metal wire is wrapped by the third arc soft rubber hose.

It should be noted that the behind-the-head bone conduction earphone manufactured based on the torsion clamping structure provided by the utility model has the characteristics of small space volume and small height size, and therefore, the behind-the-head bone conduction earphone provided by the utility model can be charged by adopting a charging connector or a charging box.

It should be understood that the above description of specific embodiments of the present invention is only for the purpose of illustrating the technical lines and features of the present invention, and is intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, but the present invention is not limited to the above specific embodiments. It is intended that all such changes and modifications as fall within the scope of the appended claims be embraced therein.

Claims

1. A torsion clamping structure is characterized in that,

the ear vibrator comprises a left ear vibrator box (1), a right ear vibrator box (2), a connecting piece, a first arc-shaped elastic arm (4) and a second arc-shaped elastic arm (5) which are symmetrically arranged at two sides of the connecting piece;

the first end of the first arc-shaped elastic arm (4) is connected with the first end of the connecting piece, the second end of the first arc-shaped elastic arm (4) is connected with the left ear vibrator box (1), the first end of the second arc-shaped elastic arm (5) is connected with the second end of the connecting piece, and the second end of the second arc-shaped elastic arm (5) is connected with the right ear vibrator box (2);

the first arc-shaped elastic arm (4) comprises a first arc-shaped soft rubber pipe (45) and a first arc-shaped elastic metal wire (46), and the first arc-shaped elastic metal wire (46) is wrapped in the first arc-shaped soft rubber pipe (45); the second arc-shaped elastic arm (5) comprises a second arc-shaped soft rubber pipe (55) and a second arc-shaped elastic metal wire (56), and the second arc-shaped elastic metal wire (56) is wrapped in the second arc-shaped soft rubber pipe (55);

under the state of stewing, first arc elastic arm (4) and second arc elastic arm (5) opposite direction bending set up, and the bottom of the second end of first arc elastic arm (4) is laminated in the top of second arc elastic arm (5), and the top of the second end of second arc elastic arm (5) is laminated in the bottom of first arc elastic arm (4), and action face (11) of left ear oscillator box and action face (21) of right ear oscillator box all face the top.

2. The twist grip arrangement of claim 1, wherein the circumferential closed shape of the twist grip arrangement is an ellipse-like shape, and the connecting member is located at a wide end of the ellipse-like shape.

3. The twist grip arrangement of claim 2,

the lengths of the first arc-shaped elastic arm (4) and the second arc-shaped elastic arm (5) are both smaller than the perimeter of the similar ellipse; the length of the torsion clamping structure after being completely stretched is 300 mm-500 mm.

4. The twist grip arrangement of claim 2,

the first arc-shaped elastic arm (4) comprises a first narrow end part (42), a first connecting part (43) and a first wide end part (44) which are sequentially connected, the first narrow end part (42) is connected with the connecting piece, and the first wide end part (44) is connected with the left ear vibrator box (1); the curvature radius of the first narrow end part (42) is 40 mm-70 mm, the curvature radius of the first connecting part (43) is 60 mm-100 mm, and the curvature radius of the first wide end part (44) is 20 mm-35 mm;

the second arc-shaped elastic arm (5) comprises a second narrow end part (52), a second connecting part (53) and a second wide end part (54) which are sequentially connected, the second narrow end part (52) is connected with the connecting piece, and the second wide end part (54) is connected with the right ear vibrator box (2); the radius of curvature of the second narrow end portion (52) is 40mm to 70mm, the radius of curvature of the second connecting portion (53) is 60mm to 100mm, and the radius of curvature of the second wide end portion (54) is 20mm to 35 mm.

5. The twist grip arrangement of claim 1,

and in a standing state, the left ear vibrator box (1) and the right ear vibrator box (2) are both positioned within the surrounding closed shape of the torsion clamping structure.

6. The twist grip arrangement of claim 1,

in a standing state, the action surface (11) of the left ear vibrator box faces the action surface (21) of the right ear vibrator box.

7. The twist grip arrangement of claim 1,

the connector comprises a main control box (32) for accommodating the battery and the control assembly;

the first end of main control box (32) is connected with first arc elastic arm (4), and the second end of main control box (32) is connected with second arc elastic arm (5).

8. The twist grip arrangement of claim 2,

the first arc-shaped elastic arm (4) comprises a first narrow end part (42), a first connecting part (43) and a first wide end part (44) which are sequentially connected, the first narrow end part (42) is connected with the connecting piece, and the first wide end part (44) is connected with the left ear vibrator box (1);

the second arc-shaped elastic arm (5) comprises a second narrow end part (52), a second connecting part (53) and a second wide end part (54) which are sequentially connected, the second narrow end part (52) is connected with the connecting piece, and the second wide end part (54) is connected with the right ear vibrator box (2);

the first wide end portion (44) is bent to form a first bulge portion (48) which bulges downward, and the second wide end portion (54) is bent to form a second bulge portion (58) which bulges downward.

9. The twist grip arrangement of claim 1,

under the state of standing, a first magnetic attraction mechanism (47) is arranged at the position, overlapped with the second arc-shaped elastic arm (5), on the first arc-shaped elastic arm (4), a second magnetic attraction mechanism (57) is arranged at the position, overlapped with the first magnetic attraction mechanism (47), on the second arc-shaped elastic arm (5), and the first magnetic attraction mechanism (47) and the second magnetic attraction mechanism (57) attract each other.

10. A behind-the-head bone conduction earphone device comprising a PCBA board, a battery, an audio wire, a bone conduction transducer, and the torsional gripping structure of any one of claims 1-9;

PCBA board is connected with the battery electricity, and PCBA board passes through the audio line and is connected with the osteoacusis oscillator electricity, twists reverse clamping structure and is used for supporting PCBA board, battery, audio line and osteoacusis oscillator.