CN116528102B

CN116528102B - Helmet earphone

Info

Publication number: CN116528102B
Application number: CN202310406257.6A
Authority: CN
Inventors: 周雪松; 骆高峰; 禤夏日
Original assignee: Shenzhen Mission Electronics Co ltd
Current assignee: Shenzhen Mission Electronics Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2024-06-07
Anticipated expiration: 2043-04-10
Also published as: CN116528102A

Abstract

The application discloses a helmet type earphone, and relates to the technical field of earphones. The helmet comprises a helmet body, wherein mounting grooves are formed in two sides of the helmet body in a penetrating manner, and the helmet further comprises: the bearing mechanism comprises a connecting housing arranged in the mounting groove, the connecting housing covers the mounting groove, a bearing frame is arranged in the connecting housing, a moving plate is horizontally and dynamically arranged in the bearing frame, and one side of the moving plate, which is close to the middle part of the helmet body, is connected with a headset plate with an opening at one side; bluetooth mechanism is including installing wireless bluetooth in helmet body one side and bonding in the inside sound unit of headset board. After wearing the helmet body, a wearer can move the movable plate through the cooperation of the executing piece outside the helmet body and the driving mechanism, so that the sound unit of the headset plate is close to the ears, the sound source is closer to the ears of the wearer, and the headset plate can be attached to the ears of the wearer more through the movement of the headset plate, so that the noise reduction effect is improved, and the riding experience is improved.

Description

Helmet earphone

Technical Field

The application relates to the technical field of headphones, in particular to a helmet type headphone.

Background

When riding a motorcycle, people can conveniently answer a call and listen to music while riding, and wear the helmet earphone, compared with the common wireless Bluetooth earphone, the helmet earphone has the advantages of good waterproof performance, convenient use, no flow, no mobile phone, conversation connection maintenance and the like, and the functions of listening to navigation, answering and calling, communicating with teammates at any time and the like can be realized when the riding is carried out without affecting the wearing of the helmet.

The sound unit of current head-mounted earphone is installed in the helmet through the mode of bonding, and people have great deviation after wearing the helmet between sound unit and the ear of wearer, are difficult to form the laminating with the ear like head-mounted earphone, just so lead to in the in-process of riding, external noise enters into the ear of wearer easily, and the ability of making an uproar is relatively poor, and the distance between sound unit and the ear influences the result of use of wearer relatively far away easily to influence the use experience.

Disclosure of Invention

The application aims at: in order to solve the above-mentioned problems, the present application provides a helmet earphone.

The application adopts the following technical scheme for realizing the purposes:

the helmet earphone comprises a helmet body, wherein mounting grooves are formed in two sides of the helmet body in a penetrating mode, and the helmet further comprises:

The bearing mechanism comprises a connecting housing arranged in the mounting groove, the connecting housing covers the mounting groove, a bearing frame is arranged in the connecting housing, a moving plate is horizontally and dynamically arranged in the bearing frame, and a headset plate with an opening is connected to one side of the moving plate, which is close to the middle of the helmet body, through a ball;

The Bluetooth mechanism comprises a wireless Bluetooth arranged on one side of the helmet body and a sound unit adhered to the inside of the headset plate, wherein the sound unit is electrically connected with the wireless Bluetooth, and a microphone is arranged on the wireless Bluetooth;

The driving mechanism comprises a driving mechanism which is arranged on the connecting housing and acts on the movable plate, the driving mechanism is provided with an executing piece, the executing piece is positioned outside the helmet body, and the driving mechanism drives the movable plate to move through the executing piece.

Further, the driving mechanism comprises a rotating rod rotatably installed in the connecting housing, one end of the rotating rod penetrates through the connecting housing and is located outside, the rotating rod is provided with a driving part through a transmission assembly, the moving plate is provided with a driven part, and when the rotating rod rotates, the driving part moves in the inner circumference of a plane through the transmission assembly so as to form the driving part to push the driven part to move horizontally.

Further, the transmission assembly is installed including rotating the pivot of installing in the connection housing, the pivot with bull stick periphery side all is constructed with eccentric rim plate, two the equal rotation cover in eccentric rim plate periphery side is equipped with the drive ring, two be connected with the connecting rod between the drive ring, the pivot with the free end of bull stick all is constructed with the butt joint pole, the drive part be bar cubic and with two the butt joint pole forms articulatedly, drive rack is installed at the drive part top, driven portion is including vertical slidable mounting driven slide caliper on the movable plate, driven slide caliper with install reset spring between the movable plate.

Further, a locking member is mounted on one end of the rotating rod, which is located outside, and the rotating angle of the rotating rod is limited or released through the locking member.

Further, the inside construction of bull stick has the installation cavity, the retaining member is including sliding the insertion establish the actuating lever in the bull stick, the one end of actuating lever is located the outside, and the other end is located in the installation cavity, the actuating lever is located the outside construction in the installation cavity has the flange, the flange with install the spring that returns between the installation cavity terminal surface install locking piece on the actuating lever, when pressing the actuating lever, through locking piece is in order to release to bull stick rotation angle is spacing, when unclamping the actuating lever, through locking piece is in order to right bull stick rotation angle is spacing.

Further, a plurality of through grooves are formed in the circular array on the periphery side of the rotating rod, the locking piece comprises a locking plate with one end rotatably installed in the through grooves, a plurality of locking grooves for inserting the locking plate are formed in the circular array on the joint surface of the connecting housing and the rotating rod, and a linkage rod is hinged between the locking plate and the driving rod.

Further, the connection housing is in the mounting groove in a sliding and inserting mode, two positioning pieces are symmetrically arranged on the helmet body, each positioning piece comprises two rotating plates which are rotatably arranged on the helmet body, a compacting plate is arranged at the free ends of the two rotating plates, and an adjusting piece which is used for driving the rotating plates to rotate is arranged on the helmet body.

Further, the adjusting piece comprises a sliding frame which is slidably arranged on the helmet body, hinge rods are hinged to two free ends of the sliding frame, the two hinge rods are hinged to the two rotating plates respectively, and a collision spring is arranged between the sliding frame and the helmet body.

Further, a protective cover is constructed on the connection housing, when the connection housing is inserted into the mounting groove, the protective cover shields the positioning piece and the adjusting piece, and a drag hook positioned outside the protective cover is constructed on the sliding frame.

Further, a sponge cushion is arranged on one side of the headset plate far away from the movable plate, and a wire winding roller is arranged on the helmet body.

The beneficial effects of the application are as follows:

1. after wearing the helmet body, a wearer can move the movable plate through the cooperation of the executing piece outside the helmet body and the driving mechanism, so that the sound unit of the headset plate is close to the ears, the sound source is closer to the ears of the wearer, and the headset plate can be attached to the ears of the wearer more through the movement of the headset plate, so that the noise reduction effect is improved, and the use experience is indirectly improved.

2. The application realizes the adjustment of the moving direction of the moving plate by controlling the forward and backward rotation of the rotating rod, and adopts the mode of driving the rack to move circumferentially, thereby not only being convenient in adjustment, but also having small occupied space and activity space, and being difficult for a wearer to directly contact with the driving rack to influence the wearing comfort.

3. According to the application, the rotation angle of the rotating rod is limited through the locking piece, and the design of the homing spring ensures that the moving plate and the rotating rod cannot move when being accidentally knocked under a normal state.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the application from another perspective of FIG. 1;

FIG. 3 is a partial perspective cross-sectional view of FIG. 1 in accordance with the present application;

FIG. 4 is a schematic view of a portion of the structure of the present application;

FIG. 5 is a schematic representation of the structure of the Bluetooth mechanism of the present application;

FIG. 6 is a schematic view of a further portion of the structure of the present application;

FIG. 7 is an exploded view of the portion of the structure of FIG. 6 in accordance with the present application;

FIG. 8 is a partial perspective cross-sectional view of FIG. 6 in accordance with the present application;

FIG. 9 is a further partial perspective cross-sectional view of FIG. 6 in accordance with the present application;

FIG. 10 is an enlarged view of the structure of FIG. 3A in accordance with the present application;

FIG. 11 is an enlarged view of the structure of FIG. 7B in accordance with the present application;

FIG. 12 is an enlarged view of the structure of FIG. 8C in accordance with the present application;

FIG. 13 is an enlarged view of the structure of FIG. 9D in accordance with the present application;

Reference numerals: 1. a helmet body; 2. a mounting groove; 3. a carrying mechanism; 301. a connecting housing; 302. a carrier; 303. a moving plate; 304. a headset board; 4. a Bluetooth mechanism; 401. wireless Bluetooth; 402. an acoustic unit; 403. a microphone; 5. a driving mechanism; 501. a rotating rod; 6. a transmission assembly; 601. a rotating shaft; 602. an eccentric wheel disc; 603. a drive ring; 604. a connecting rod; 605. a butt joint rod; 606. a drive rack; 607. a driven caliper; 608. a return spring; 7. a driving section; 8. a driven part; 9. a locking member; 901. a mounting cavity; 902. a driving rod; 903. a return spring; 904. a cam; 10. a locking piece; 1001. penetrating a groove; 1002. a locking plate; 1003. a locking groove; 1004. a linkage rod; 11. a positioning piece; 1101. a rotating plate; 1102. compacting the plate; 12. an adjusting member; 1201. a carriage; 1202. a hinge rod; 1203. a contact spring; 13. a protective cover; 14. a sponge cushion; 15. a wire winding roller; 16. a drag hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

As shown in fig. 1 to 13, a headset according to an embodiment of the present application includes a helmet body 1, and mounting slots 2 penetrating through two sides of the helmet body 1, and further includes:

The bearing mechanism 3 comprises a connecting housing 301 arranged in the mounting groove 2, the connecting housing 301 covers the mounting groove 2, after the connecting housing 301 shields the mounting groove 2, external noise is reduced in the riding process, a bearing frame 302 is arranged in the connecting housing 301, a moving plate 303 is horizontally and dynamically arranged in the bearing frame 302, and a headset plate 304 with an opening is arranged on one side of the moving plate 303, which is close to the middle part of the helmet body 1, in a ball connection manner; specifically, a convex rod is constructed on the moving plate 303, a sphere is constructed on the convex rod, a ball sleeve is tightly sleeved on the sphere, the ball sleeve is constructed on the headset plate 304, the sphere and the ball sleeve are both made of plastic materials, and when the headset plate 304 needs to be disassembled, the headset plate is directly pulled out in a hard way;

The Bluetooth mechanism 4 comprises a wireless Bluetooth 401 arranged on one side of the helmet body 1 and a sound unit 402 adhered inside the headset board 304, wherein the sound unit 402 is electrically connected with the wireless Bluetooth 401, and a microphone 403 is arranged on the wireless Bluetooth 401;

The driving mechanism 5 comprises a driving mechanism 5 which is arranged on the connecting housing 301 and acts on the moving plate 303, the driving mechanism 5 is provided with an executing piece, the executing piece is positioned outside the helmet body 1, the executing piece is used for enabling the driving mechanism 5 to drive the moving plate 303 to move, when a user wears the helmet, the headset plate 304 can automatically move according to the head shape of the user so as to keep fit with the ears of the wearer, at the moment, the wearer can open the wireless Bluetooth 401 to enable the sound unit 402 positioned in the headset plate 304 to sound, then the wearer can enable the moving plate 303 to move through the executing piece outside the helmet body 1 in cooperation with the driving mechanism 5, and the moving plate 303 can indirectly drive the headset plate 304 to move because the moving plate 303 is in ball connection with the headset plate 304, so that the sound unit 402 of the headset plate 304 is close to the ears, the sound source is closer to the ears of the wearer, and the headset plate 304 can be enabled to be more fit with the ears of the wearer through movement of the headset plate 304, so that noise reduction effect is improved.

As shown in fig. 1 and 6-9, in some embodiments, the driving mechanism 5 includes a rotating rod 501 rotatably mounted in the connection housing 301, one end of the rotating rod 501 passes through the connection housing 301 and is located outside, that is, the actuating member is a portion of the rotating rod 501 located outside the connection housing 301, preferably, a knob is mounted on one end of the rotating rod 501 located outside the connection housing 301, the rotating rod 501 is conveniently rotated, the driving part 7 is mounted on the rotating rod 501 through the transmission assembly 6, the driven part 8 is mounted on the moving plate 303, when the rotating rod 501 rotates, the driving part 7 is moved in an inner circumference of a plane through the transmission assembly 6 to form a driving part 7 to push the driven part 8 to move horizontally, when the wearer wears the helmet body 1, only the rotating rod 501 needs to rotate, the driving part 7 moves in an inner circumference of a plane through the transmission assembly 6, so that the driven part 8 is pushed to move during the movement of the driving part 7, and the driven part 8 is connected with the moving plate 303, so that the moving plate 303 is indirectly moved horizontally, and the actuating member is located outside, so that the position of the helmet body 1 is conveniently adjusted after the wearer wears the helmet body 1.

As shown in fig. 1, 6-9 and 13, in some embodiments, the transmission assembly 6 includes a rotating shaft 601 rotatably installed in the connection housing 301, eccentric sheaves 602 are respectively configured at outer circumferential sides of the rotating shaft 601 and the rotating shaft 501, driving rings 603 are respectively rotatably sleeved at outer circumferential sides of the two eccentric sheaves 602, a connecting rod 604 is connected between the two driving rings 603, a docking rod 605 is respectively configured at free ends of the rotating shaft 601 and the rotating shaft 501, the driving part 7 is bar-shaped and is hinged with the two docking rods 605, a driving rack 606 is installed at the top of the driving part 7, the driven part 8 includes a driven caliper 607 vertically slidably installed on the moving plate 303, a restoring spring 608 is installed between the driven caliper 607 and the moving plate 303, when the rotating shaft 501 is rotated, the eccentric sheaves 602 on the rotating shaft 501 rotate around the axis of the rotating shaft 501, since the driving rings 603 are rotatably sleeved at the outer circumferential sides of the eccentric sheaves 602, the driving rings 603 are also moved, because the connecting rod 604 is connected between the two driving rings 603, and the eccentric wheel disc 602 in the other driving ring 603 is connected with the rotating shaft 601, when the rotating rod 501 rotates, the other rotating shaft 601 rotates simultaneously, so that synchronous rotation of the rotating shaft 601 and the docking rod 605 at one end of the rotating rod 501 is realized, because the driving part 7 is provided with the driving rack 606, and the driving part 7 is hinged with the two docking rods 605, when the rotating shaft 601 rotates simultaneously with the rotating rod 501, the driving rack 606 moves circularly on a plane, the driving rack 606 is meshed with the driven caliper 607 in the contact process of moving, so that the driven caliper 607 is jacked up, the driven caliper 607 is meshed with the driving rack 606, and because the movement track of the driving rack 606 moves circularly, as shown in figure 9, after the driving rack 606 contacts the driven caliper 607 when moving circularly clockwise, at this time, the driving rack 606 continues to move so as to jack up the driven caliper 607, because the driving rack 606 moves in an arc shape, the driving rack 606 can drive the moving plate 303 to move horizontally through the driven caliper 607 when moving, so that the moving plate 303 moves horizontally, when the driving rack 606 moves to the highest position and then moves downwards in an arc shape, the reset spring 608 can enable the driven caliper 607 to move downwards until being separated from the driving rack 606, so that the moving plate 303 stops moving, that is, the forward and backward rotation of the rotating rod 501 is controlled so as to adjust the moving direction of the moving plate 303, the circumferential movement of the driving rack 606 is convenient, the occupied space and the moving space are small, and the wearing comfort is not affected by the direct contact of the driving rack 606.

As shown in fig. 1,8 and 12, in some embodiments, a locking member 9 is installed at one end of the rotating rod 501 located outside, the rotating angle of the rotating rod 501 is limited or released by the locking member 9, and the adjusted position of the moving plate 303 is not easy to move by itself due to friction when the helmet body 1 is removed by the locking member 9, so that the limiting effect is achieved, and the wearer does not need to adjust the rotating rod 501 when wearing the helmet next time.

As shown in fig. 8 and 12, in some embodiments, the installation cavity 901 is configured inside the rotating rod 501, the locking member 9 includes a driving rod 902 slidably inserted into the rotating rod 501, one end of the driving rod 902 is located outside, the other end is located in the installation cavity 901, a cam 904 is configured outside the driving rod 902 located in the installation cavity 901, a locking member 10 is mounted on the driving rod 902 between the cam 904 and one end surface of the installation cavity 901, when the driving rod 902 is pressed, the locking member 10 is used for releasing the limit of the rotation angle of the rotating rod 501, when the driving rod 902 is released, the driving rod 902 is pressed firstly to enable the locking member 903 to be compressed, when the rotating rod 501 is required to rotate, the rotating rod 501 can be rotated, when the rotating rod 501 rotates well, the driving rod 902 is released, the driving rod 902 is reset through the elastic deformation characteristic of the locking member 903, when the rotating rod 501 rotates, the rotating angle of the locking member 10 is released, the rotating rod 501 is prevented from moving accidentally due to the fact that the locking member 501 is moved under the normal condition of the spring, and the plate 303 is not moved accidentally.

As shown in fig. 8 and 10-12, in some embodiments, a plurality of through slots 1001 are formed in the circular array on the outer periphery side of the rotating rod 501, the locking member 10 includes a locking plate 1002 with one end rotatably mounted in the through slot 1001, a plurality of locking slots 1003 for inserting the locking plate 1002 are formed in the circular array on the joint surface of the connecting housing 301 and the rotating rod 501, a linkage rod 1004 is hinged between the locking plate 1002 and the driving rod 902, when the driving rod 902 is pressed, the driving rod 902 moves to drive the linkage rod 1004 hinged on the driving rod 902 to move, because the linkage rod 1004 is hinged with the locking plate 1002, when the driving rod 902 moves, the driving rod 902 moves through the linkage rod 1004 to rotate the locking plate 1002, so that the locking plate 1002 positioned in the locking slot 1003 rotates into the through slot 1001, and normal rotation of the rotating rod 501 is not affected.

As shown in fig. 1, 7, 8 and 10, in some embodiments, the connection housing 301 is slidably inserted into the mounting groove 2, two positioning members 11 are symmetrically mounted on the helmet body 1, the positioning members 11 include two rotating plates 1101 rotatably mounted on the helmet body 1, the free ends of the two rotating plates 1101 are configured with compacting plates 1102, the helmet body 1 is provided with an adjusting member 12 for driving the rotating plates 1101 to rotate, the connection housing 301 is detachably designed to facilitate the subsequent maintenance and replacement of the bearing mechanism 3 and the driving mechanism 5, and when the connection housing 301 needs to be detached, the rotating plates 1101 are firstly rotated by the adjusting member 12, so that the pressing plates are indirectly driven to rotate, and are no longer attached to the connection housing 301, thereby releasing the limit of the connection housing 301.

As shown in fig. 1, 4 and 10, in some embodiments, the adjusting member 12 includes a sliding frame 1201 slidably mounted on the helmet body 1, hinge rods 1202 are hinged on two free ends of the sliding frame 1201, the two hinge rods 1202 are respectively hinged on the two rotating plates 1101, an abutting spring 1203 is mounted between the sliding frame 1201 and the helmet body 1, when the sliding frame 1201 moves, the sliding frame 1201 moves to drive the two hinge rods 1202 hinged with the sliding frame 1201 to move, because the hinge rods 1202 are hinged on the rotating plates 1101, the free ends of the corresponding two rotating plates 1101 are far away from each other by the hinge rods 1202, so that the corresponding two compacting plates 1102 are not contacted with the connecting housing 301 any more, the connecting housing 301 can be pulled out from the mounting groove 2, and the two rotating plates 1101 can be driven to rotate by the hinge rods 1202, so that the use is more convenient.

As shown in fig. 6 and 10, in some embodiments, the connection housing 301 is configured with a protection cover 13, when the connection housing 301 is inserted into the installation groove 2, the protection cover 13 shields the corresponding positioning member 11 and the adjusting member 12, the sliding frame 1201 is configured with a drag hook 16 located outside the protection cover 13, and the design of the protection cover 13 can prevent the adjusting member 12 and the positioning member 11 from being exposed outside during riding, thereby protecting the adjusting member 12 and the positioning member 11, prolonging the service life, and the design of the drag hook 16 facilitates the wearer to move the sliding frame 1201.

As shown in fig. 2, 3 and 5, in some embodiments, the sponge pad 14 is installed on the side of the headset board 304 away from the moving board 303, the winding roller 15 is installed on the helmet body 1, and the sponge pad 14 has a good noise reduction effect similar to the existing earmuff structure, so that the comfort of the wearer is improved, and the winding roller 15 is designed such that the data line of the audio unit 402 is excessively long and wound on the winding roller 15, thereby preventing the data line of the audio unit 402 from excessively long affecting the normal riding of the wearer.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The helmet earphone is characterized by comprising a helmet body (1), wherein mounting grooves (2) are formed in two sides of the helmet body (1) in a penetrating mode, and the helmet earphone further comprises:

The bearing mechanism (3) comprises a connecting housing (301) arranged in the mounting groove (2), the connecting housing (301) covers the mounting groove (2), a bearing frame (302) is arranged in the connecting housing (301), a moving plate (303) is horizontally and dynamically arranged in the bearing frame (302), and one side, close to the middle part of the helmet body (1), of the moving plate (303) is connected with a headset plate (304) with an opening on one side through a ball;

The Bluetooth mechanism (4) comprises a wireless Bluetooth (401) arranged on one side of the helmet body (1) and a sound unit (402) adhered inside the headset board (304), wherein the sound unit (402) is electrically connected with the wireless Bluetooth (401), and a microphone (403) is arranged on the wireless Bluetooth (401);

The driving mechanism (5) is arranged on the connecting housing (301) and acts on the moving plate (303), the driving mechanism (5) is provided with an executing piece, the executing piece is positioned outside the helmet body (1), and the driving mechanism (5) drives the moving plate (303) to move through the executing piece;

The driving mechanism (5) comprises a rotating rod (501) rotatably installed in the connecting housing (301), one end of the rotating rod (501) penetrates through the connecting housing (301) to be located outside, the rotating rod (501) is provided with a driving part (7) through a transmission assembly (6), the moving plate (303) is provided with a driven part (8), and when the rotating rod (501) rotates, the driving part (7) moves in the inner circumference of a plane through the transmission assembly (6) to form the driving part (7) to push the driven part (8) to move horizontally;

The transmission assembly (6) comprises rotating shafts (601) rotatably arranged in the connecting housing (301), eccentric wheel discs (602) are respectively arranged on the outer peripheral sides of the rotating shafts (601) and the rotating rods (501), driving rings (603) are respectively sleeved on the outer peripheral sides of the two eccentric wheel discs (602) in a rotating mode, connecting rods (604) are connected between the two driving rings (603), butt joint rods (605) are respectively arranged at the free ends of the rotating shafts (601) and the rotating rods (501), the driving parts (7) are bar-shaped and are hinged to the two butt joint rods (605), driving racks (606) are arranged at the tops of the driving parts (7), the driven parts (8) comprise driven calipers (607) vertically and slidably arranged on the moving plates (303), and reset springs (608) are arranged between the driven calipers (607) and the moving plates (303);

a locking piece (9) is arranged at one end of the rotating rod (501) positioned outside, and the rotating angle of the rotating rod (501) is limited or released by the locking piece (9);

The utility model discloses a bull stick, including bull stick (501) inner structure has installation cavity (901), retaining member (9) are including sliding the inserting and establish actuating lever (902) in bull stick (501), one end of actuating lever (902) is located the outside, and the other end is located in installation cavity (901), actuating lever (902) are located outside construction in installation cavity (901) has flange (904), flange (904) with install return spring (903) between an end of installation cavity (901) install locking piece (10) on actuating lever (902), when pressing actuating lever (902), through locking piece (10) are in order to be released to bull stick (501) rotation angle is spacing, when unclamping actuating lever (902), through locking piece (10) are in order to right bull stick (501) rotation angle is spacing.

2. The headset of claim 1, wherein the circular array on the outer periphery of the rotating rod (501) is provided with a plurality of through grooves (1001), the locking piece (10) comprises a locking plate (1002) with one end rotatably installed in the through groove (1001), the circular array on the joint surface of the connecting housing (301) and the rotating rod (501) is provided with a plurality of locking grooves (1003) for inserting the locking plate (1002), and a linkage rod (1004) is hinged between the locking plate (1002) and the driving rod (902).

3. Helmet-type earphone according to claim 2, characterized in that the connection housing (301) is slidably inserted in the mounting groove (2), two positioning members (11) are symmetrically mounted on the helmet body (1), the positioning members (11) comprise two rotating plates (1101) rotatably mounted on the helmet body (1), compacting plates (1102) are configured at the free ends of the two rotating plates (1101), and an adjusting member (12) for driving the rotating plates (1101) to rotate is mounted on the helmet body (1).

4. A headset according to claim 3, characterized in that the adjusting member (12) comprises a carriage (1201) slidably mounted on the helmet body (1), the carriage (1201) being hinged at both free ends to a hinge rod (1202), the two hinge rods (1202) being hinged to the two pivoting plates (1101) respectively, an interference spring (1203) being mounted between the carriage (1201) and the helmet body (1).

5. The helmet earphone according to claim 4, wherein the connection housing (301) is configured with a protective cover (13), the protective cover (13) shields the positioning member (11) and the adjusting member (12) when the connection housing (301) is inserted into the mounting slot (2), and the sliding frame (1201) is configured with a draw hook (16) located outside the protective cover (13).

6. Helmet-type earphone according to claim 5, characterized in that the side of the headset plate (304) remote from the mobile plate (303) is provided with a foam pad (14), and the helmet body (1) is provided with a winding roller (15).