CN117041806A - Telescopic headphone - Google Patents

Abstract

The application relates to a telescopic headphone, which comprises a head band, an adjusting mechanism and a vibrating mechanism, wherein the head band comprises a fixing part and an adjusting part, the fixing part is fixedly connected with the adjusting part, two sides of the adjusting part are opposite to each other and are provided with adjusting blocks, the two adjusting blocks are provided with a plurality of adjusting grooves, the adjusting grooves are respectively and uniformly distributed in a head-to-tail mode along the length direction of the two adjusting blocks, the adjusting mechanism comprises a telescopic block and a fixing frame, the telescopic block is fixedly connected with the fixing frame, two elastic blocks are opposite to the free end, far away from the fixing frame, of the telescopic block, two adjusting protrusions are respectively and fixedly arranged on the two elastic blocks, the spherical surfaces of the two adjusting protrusions are in clamping fit with the two adjusting grooves, the vibrating mechanism is arranged on the fixing frame, and the vibrating mechanism is used for converting electric signals into acoustic signals to propagate. The application has the effect of improving the stability of the telescopic structure of the head band.

Description

Telescopic headphone

Technical Field

The application relates to the field of headphones, in particular to a telescopic headphone.

Background

In recent years, with the development of electronic technology, digital products such as walkman, mobile phones, computers and the like are increasingly appearing in lives of people, and matched headphones are also widely used. The headset is favored because of comfort in wearing and good sound quality.

Headsets typically include an earphone head and a retractable headband. At present, the telescopic length of the two sides of the head band is manually adjusted to adapt to different people, so that the comfort of clamping the head is better.

Aiming at the related technology, the existing head band has lower stability of the telescopic structure, and the length after telescopic is not easy to be stably maintained.

Disclosure of Invention

In order to improve stability of a telescopic structure of a head band and enable a telescopic length to be stably maintained, the application provides a telescopic headphone.

The application provides a telescopic headset which adopts the following technical scheme:

the utility model provides a telescopic headphone, includes head band, adjustment mechanism and vibration mechanism, the head band includes fixed part and adjustment part, fixed part and adjustment part fixed connection, the both sides of adjustment part are just right to be provided with the regulating block, two a plurality of regulating grooves have all been seted up to the regulating block, each the regulating groove is respectively along two regulating block length direction end to end evenly distributed in proper order, each the regulating groove all is semi-circular, adjustment mechanism includes telescopic block and mount, telescopic block and mount fixed connection, the free end that the mount was kept away from to the telescopic block just is just fixed to be provided with two elastic blocks, two the elastic block possesses elasticity, two the elastic block is fixed respectively and is provided with two regulation archs, two the regulation arch the sphere of regulation arch wears to locate two just right regulating grooves respectively and cooperates with two regulating grooves joint, the telescopic block slides and cooperates in the adjustment part, when the telescopic block slides towards being close to or keeping away from the regulating part direction, two the regulation arch respectively with two regulation groove joint that the difference just right, vibration signal of vibration mechanism sets up to be used for transmitting the vibration signal.

Through adopting above-mentioned technical scheme, when head hoop both sides need flexible regulation in order to keep better to head centre gripping travelling comfort, drag the mount, the mount drives the telescopic block and moves towards being close to or keep away from regulation portion direction, the telescopic block removes and drives two elasticity pieces and remove, two regulation protruding removal, the elasticity of elasticity piece makes the regulation protruding joint cooperation with the adjustment tank that breaks away from smoothly, thereby make the continuous change joint complex adjustment tank of two regulation protruding, thereby make the click sound that the regulation protruding and different adjustment tank joint cooperation produced constantly sound when adjusting, thereby make the regulation feel better more comfortable, simultaneously just two regulation protruding of setting also make the adjustment process more stable, when adjusting to the assigned position, the position between telescopic block and the regulation portion is more stable, telescopic block and regulation portion are difficult for producing relative contained angle, thereby reduce the smoothness of regulation, circular regulation protruding joint cooperation with the adjustment tank simultaneously, also make the friction between regulation protruding and the adjustment tank reduce, make the regulation protruding friction between with the adjustment tank break away from easily, the joint complex adjustment tank more, the stability of the flexible structure is lower after the flexible problem of stability after having improved the flexible has been kept.

Optionally, the regulation portion fixedly connected with adjustment lid, a plurality of guide slots have been seted up to the adjustment lid, the flexible piece is fixedly provided with a plurality of guide blocks, each the adjustment piece wears to locate each guide slot respectively and with each guide slot cooperation that slides.

Through adopting above-mentioned technical scheme, the setting of guide block and guide way for when the telescopic block slides towards being close to or keeping away from adjustment portion direction, the guide block slides along the guide way, thereby makes the cooperation of sliding between telescopic block and the adjustment portion more stable, makes the practicality better.

Optionally, the fixed butt piece that is provided with of telescopic piece, when the telescopic piece slides to certain position towards keeping away from adjustment portion direction, butt piece and adjustment cap butt.

Through adopting above-mentioned technical scheme, the setting of butt piece for when the telescopic block slides towards keeping away from adjustment portion direction, be difficult for breaking away from with adjustment portion's cooperation of sliding, make the practicality better.

Optionally, an adjusting scale is carved on the side surface of the telescopic block.

Through adopting above-mentioned technical scheme, adjust the setting of scale for when flexible regulation, through observing the regulation scale, adjust the telescopic block to suitable position, and need not rely on feeling to adjust, make flexible regulation effect better.

Optionally, a wire-arranging groove is arranged between the telescopic block and the adjusting cover, one side of the wire-arranging groove is communicated with the inside of the fixing frame, and the other side of the wire-arranging groove is communicated with the inside of the fixing part.

Through adopting above-mentioned technical scheme, the setting of winding displacement groove for when the telescopic block moves towards being close to or keeping away from adjustment portion direction, be difficult for receiving the inside circuit influence of arranging of headphone, simultaneously, the setting of winding displacement groove makes the inside circuit of headphone difficult for appearing chaotic even damaging because of the telescopic block slides.

Optionally, the vibration mechanism includes the earmuff, the rotation hole has been seted up to the earmuff both sides, the mount just is to both sides fixed being provided with the turning block, two the turning block wears to locate two rotation holes respectively and with two rotation holes normal running fit.

Through adopting above-mentioned technical scheme, the earmuff rotates and sets up in the mount for when the telescopic block carries out flexible regulation, the earmuff passes through the rotation, makes the earmuff closely laminate with user's ear throughout, makes wear of headphone more comfortable, makes the practicality better.

Optionally, two the spacing groove has all been seted up to the rotating block, two the pore wall in rotation hole is all fixed and is provided with the stopper, two the stopper wears to locate two spacing grooves respectively and with two spacing groove running fit, two the rotating block has all been seted up and has been run through the rotation groove that sets up, two the rotation groove all communicates with the mount is inside, and the circuit is followed the rotation groove gets into inside the auricle.

Through adopting above-mentioned technical scheme, stopper and spacing groove's setting for relative rotation between auricle and the mount has been carried out certain restriction, thereby is difficult for appearing excessive relative rotation between auricle and the mount, thereby makes the circuit that passes the rotation groove and gets into inside auricle be difficult for receiving the relative rotation influence between auricle and the mount, makes the practicality better.

Optionally, the earmuff is fixedly provided with the light guide plate, be provided with the lamp plate between light guide plate and the earmuff, the lamp plate is fixed to be set up in the earmuff.

Through adopting above-mentioned technical scheme, when headset used, the lamp plate is luminous for visual effect is more during the use, and the lamp plate continuously twinkles along with the rhythm of music simultaneously, makes the rhythm sense that the user felt stronger, experiences the sense better, and the setting of guide tube board makes the light that sends from the lamp plate more even bright, makes the usability better.

Optionally, adjustment mechanism still includes movable frame, movable block and locking subassembly, movable frame both ends respectively with two regulating blocks fixed connection, two when the regulating block moves towards keeping away from the protruding direction of regulation, two the regulating block breaks away from with the protruding joint cooperation of regulation, the movable block slides the cooperation in the regulation lid, movable block and movable frame fixed connection, locking subassembly is used for locking movable block position.

Through adopting above-mentioned technical scheme, when the telescopic block needs to carry out speed regulation or the slip of telescopic block appears unsmoothly, remove the frame and drive two regulating blocks and remove towards keeping away from the protruding direction of regulation for it breaks away from the joint cooperation to adjust protruding and regulating block, thereby make the expansion plate move smoothly towards being close to or keeping away from regulating part direction and be difficult for receiving the hindrance, when not needing, remove the frame and drive two regulating blocks and reset, adjust protruding and regulating tank joint cooperation again, the setting of movable block, make the removal of removing the frame more simple and stable, make the removal of removing the frame more quick, make the practicality better.

Optionally, the locking subassembly includes locking piece and locking spring, the locking piece rotates to be connected in the movable block, locking spring is located between locking piece and the movable block, locking spring one end and locking piece fixed connection, locking spring other end and movable block fixed connection, locking spring supports locking piece one end and adjustment cap tightly.

By adopting the technical scheme, the practicability is better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the head band both sides need flexible regulation in order to keep better to head centre gripping travelling comfort, drag the mount, the mount drives the telescopic block towards being close to or keep away from adjusting part orientation and slide, the telescopic block removes and drives two elastic blocks and remove, two elastic blocks remove and drive two regulation protruding removal, the elasticity of elastic block makes the regulation protruding smooth joint cooperation with the adjustment tank that breaks away from, thereby make the continuous change joint complex adjustment tank of two regulation protruding, thereby the click sound that the regulation protruding produced with different adjustment tank joint cooperation constantly rings, thereby make to adjust the feel better more comfortable, simultaneously just make the adjustment process more stable to two regulation protruding of setting, when adjusting to the assigned position, the position between telescopic block and the adjusting part is more stable, telescopic block and adjusting part are difficult for producing relative contained angle, thereby reduce the smoothness of regulation, circular regulation protruding and hemispherical regulation protruding joint cooperation simultaneously, also make the friction between regulation protruding and the adjustment tank reduce, make the regulation protruding more easily break away from with the joint cooperation of adjustment tank, the flexible length that has improved the flexible stability of the structure of current head band is lower, after the flexible problem that keeps unstable.

2. The setting of guide block and guide way for the telescopic block is towards being close to or keep away from when adjusting portion direction slides, and the guide block slides along the guide way, thereby makes the cooperation of sliding between telescopic block and the adjusting portion more stable, makes the practicality better.

3. The setting of regulation scale for when flexible regulation, through observing the regulation scale, adjust the telescopic block to suitable position, and need not rely on feeling to adjust, make flexible regulation effect better.

Drawings

Fig. 1 is a schematic overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic structural view of an adjusting mechanism of embodiment 1 of the present application.

Fig. 3 is a cross-sectional view of the adjusting mechanism of embodiment 1 of the present application.

Fig. 4 is an exploded schematic view of a vibration mechanism of embodiment 1 of the present application.

Fig. 5 is a cross-sectional view of the vibration mechanism of embodiment 1 of the present application.

Fig. 6 is an enlarged view of a portion a of fig. 5.

Fig. 7 is a partial structural sectional view of embodiment 2.

Fig. 8 is a schematic structural view of the lock assembly of embodiment 2.

Reference numerals illustrate: 1. a headband; 11. a fixing part; 12. an adjusting section; 121. an adjusting block; 1211. an adjustment tank; 13. a sheath; 14. an inner sheet; 15. an adjustment cover; 151. a guide groove; 2. an adjusting mechanism; 21. a telescopic block; 211. an elastic block; 212. an adjusting protrusion; 213. a guide block; 214. an abutment block; 215. adjusting the scale; 216. a wire arrangement groove; 217. a moving rack; 218. a moving block; 219. a locking assembly; 2191. a locking block; 2192. a locking spring; 22. a fixing frame; 221. a wire arrangement cavity; 222. a rotating block; 2221. a rotating groove; 2222. a limit groove; 3. a vibration mechanism; 31. earmuffs; 311. a rotation hole; 3111. a limiting block; 312. a receiving groove; 32. a saucer; 321. a sound outlet; 33. ear muffs; 34. a vibrator; 35. a vibration cover; 36. a seal ring; 37. a rubber block; 38. a light guide plate; 39. a lamp panel.

Detailed Description

The application is described in further detail below with reference to fig. 1-8.

The embodiment of the application discloses a telescopic headphone.

Example 1.

Referring to fig. 1 and 2, a telescopic headphone includes head band 1, adjustment mechanism 2 and vibration mechanism 3, head band 1 includes fixed part 11 and two adjustment parts 12, two adjustment parts 12 are fixed connection respectively in fixed part 11 both sides, two adjustment parts 12 and fixed part 11 are fan-shaped, fixed part 11 one side is fixed to be provided with sheath 13, sheath 13 structure is spongy structure, possess good buffer performance, thereby make the contact between head and the fixed part 11 more comfortable when headphone uses, the usability is more, be provided with interior piece 14 between fixed part 11 and the sheath 13, interior piece 14 joint cooperation is in fixed part 11, thereby it is more convenient that the circuit passes through fixed part 11, be difficult for receiving sheath 13's influence.

Referring to fig. 2 and 3, the adjusting mechanism 2 includes a telescopic block 21, the telescopic block 21 is arc-shaped, the telescopic block 21 is slidingly matched with the adjusting portion 12, two elastic blocks 211 are fixedly arranged at the free ends of the telescopic block 21 close to the adjusting portion 12, the two elastic blocks 211 are respectively provided with elasticity, adjusting protrusions 212 are fixedly arranged at two sides of the two elastic blocks 211, which are far away from each other, the two adjusting protrusions 212 are hemispherical, the spherical surfaces of the two adjusting blocks 121 are arranged in a direction away from each other, the two sides of the adjusting portion 12 are fixedly provided with the adjusting blocks 121, the length of the adjusting blocks 121 is along the length direction of the adjusting portion 12, the two adjusting blocks 121 are respectively provided with a plurality of adjusting grooves 1211, the adjusting grooves 1211 are respectively and sequentially connected in an end-to-end mode and evenly distributed along the length direction of the two adjusting blocks 121, the adjusting grooves 1211 are respectively semicircular, the spherical surfaces of the two adjusting protrusions 212 are respectively penetrated into the two opposite adjusting grooves 1211 and are in clamping fit with the two adjusting grooves 1211, and when the telescopic block 21 is close to or far away from the adjusting portion 12.

Referring to fig. 2 and 3, when the telescopic block 21 slides towards the direction approaching or separating from the adjusting portion 12, the telescopic block 21 drives the two elastic blocks 211 to move, the two elastic blocks 211 move to drive the two adjusting protrusions 212 to move, the elasticity of the elastic blocks 211 enables the adjusting protrusions 212 to be smoothly separated from the clamping fit of the adjusting grooves 1211, so that the adjusting grooves 1211 matched with the two adjusting protrusions 212 are continuously replaced, click sounds generated by the clamping fit of the adjusting protrusions 212 and different adjusting grooves 1211 continuously ring, the adjusting hand feeling is better and more comfortable, meanwhile, the two adjusting protrusions 212 just facing the adjusting process is more stable, when the adjusting process is adjusted to a designated position, the position between the telescopic block 21 and the adjusting portion 12 is more stable, the relative included angle between the telescopic block 21 and the adjusting portion 12 is not easy to generate, so that the smoothness of adjustment is reduced, meanwhile, the friction between the adjusting protrusions 212 and the adjusting grooves 1211 and the hemispherical adjusting protrusions 1211 is reduced, and the friction between the adjusting protrusions 212 and the adjusting grooves 1211 is easier to separate from the clamping fit with the adjusting grooves 1211.

Referring to fig. 2 and 3, the adjusting portion 12 is fixedly provided with an adjusting cover 15, the adjusting cover 15 is arc-shaped, clamping blocks are fixedly arranged at two sides of the adjusting cover 15, clamping grooves are formed at two sides of the adjusting portion 12, the two clamping blocks penetrate through the two clamping grooves and are matched with the clamping grooves in a clamping manner, so that the adjusting portion 12 and the adjusting cover 15 are fixedly connected, the adjusting cover 15 is provided with a plurality of guide grooves 151, the cross section of each guide groove 151 along the width direction of the adjusting portion 12 is square, the length of each guide groove 151 extends along the length direction of the adjusting cover 15, the guide grooves 151 are uniformly distributed along the width direction of the adjusting cover 15, a plurality of guide blocks 213 are fixedly arranged at one side of the telescopic blocks 21 close to the adjusting groove 1211, the cross section of each guide block 213 along the width direction of the adjusting portion 12 is square, and when the telescopic blocks 21 are slidably matched with the adjusting portion 12, the guide blocks 213 penetrate through the guide grooves 151 and are slidably matched with the guide grooves 151, so that when the telescopic blocks 21 slide along the directions close to or far from the adjusting portion 12, the telescopic blocks 21 drive the guide blocks 213 to slide along the guide grooves 151, so that the telescopic blocks 21 slide along the guide grooves 21 along the guide grooves, and the guide grooves 213 are more stably matched with the telescopic blocks 21 along the guide grooves along the directions.

Referring to fig. 2 and 3, a plurality of abutting blocks 214 are symmetrically and fixedly arranged on one side of the telescopic block 21, which is close to the adjusting cover 15, along the axis of the width direction, each abutting block 214 is rectangular, each abutting block 214 is obliquely arranged, when the telescopic block 21 slides to a certain position in the direction away from the adjusting part 12, the abutting blocks 214 are abutted and matched with the adjusting cover 15, so that the telescopic block 21 is blocked from being separated from the adjusting part 12, and when the telescopic block 21 slides in the direction away from the adjusting part 12, the telescopic block 21 is not easy to separate from and match with the sliding of the adjusting part 12.

Referring to fig. 4, an adjusting scale 215 is engraved on one side of the telescopic block 21 close to the adjusting part 12, when the telescopic block 21 slides far away from the adjusting part 12, the adjusting scale 215 is gradually exposed along with the telescopic block 21 far away from the adjusting part 12, so that a user clearly and intuitively observes the change of the telescopic length, the lengths of the two sides of the headset are more identical, and when the telescopic adjustment is performed, the telescopic block 21 is adjusted to a proper position through observing the adjusting scale 215 without adjusting by means of feeling, so that the telescopic adjustment effect is better.

Referring to fig. 2 and 3, a wire-arranging groove 216 is formed between the telescopic block 21 and the adjusting cover 15, the cross section of the wire-arranging groove 216 along the width direction of the adjusting cover 15 is square, the wire-arranging groove 216 is located at the middle position of the telescopic block 21, the adjusting mechanism 2 further comprises a fixing frame 22, a wire-arranging cavity 221 is formed in the fixing frame 22, one side of the wire-arranging groove 216 is communicated with the wire-arranging cavity 221, the other side of the wire-arranging groove 216 is communicated with the inside of the fixing portion 11, and the wire-arranging groove 216 is arranged, so that when the telescopic block 21 moves towards a direction close to or far from the adjusting portion 12, the wire is not easily affected by the wire arranged in the headset, and meanwhile, the wire-arranging groove 216 is arranged, so that the wire in the headset is not easy to be disordered or even damaged due to sliding of the telescopic block 21.

Referring to fig. 5 and 6, the vibration mechanism 3 includes an ear shell 31, two sides of the ear shell 31 in the diameter direction are provided with rotating holes 311, the fixed frame 22 is provided with rotating blocks 222 opposite to the two sides, the two rotating blocks 222 respectively penetrate through the two rotating holes 311 and are in rotating fit with the two rotating holes 311, the two rotating blocks 222 are provided with rotating grooves 2221 penetrating through the two rotating blocks, the two rotating grooves 2221 are communicated with the inside of the fixed frame 22, a line enters the ear shell 31 from the two rotating grooves 2221, the two rotating blocks 222 are provided with limiting grooves 2222, the cross section of the limiting grooves 2222 is fan-shaped, limiting blocks 3111 are fixedly arranged on the walls of the two rotating holes 311, the limiting blocks 3111 are fan-shaped, and the two limiting blocks 3111 respectively penetrate through the two limiting grooves 2222 and are in rotating fit with the two limiting grooves 2222.

Referring to fig. 5 and 6, the ear shell 31 is rotatably disposed on the fixing frame 22, so that when the telescopic block 21 is telescopic and regulated, the ear shell 31 is rotated, so that the ear shell 31 is always tightly attached to the ear of a user, wearing of the headset is more comfortable, and the relative rotation between the ear shell 31 and the fixing frame 22 is limited by the arrangement of the limiting block 3111 and the limiting groove 2222, so that excessive relative rotation between the ear shell 31 and the fixing frame 22 is not easy to occur, and a line passing through the rotating groove 2221 and entering the ear shell 31 is not easy to be influenced by the relative rotation between the ear shell 31 and the fixing frame 22.

Referring to fig. 4 and 5, vibration mechanism 3 still includes pad 32, ear muff 33, vibrator 34 and vibration lid 35, the holding tank 312 has been seted up to ear shell 31 one side, the fixed setting of pad 32 is in holding tank 312 groove top and airtight with holding tank 312, pad 32 is circular, the sound outlet 321 that runs through the setting is seted up to pad 32, ear muff 33 cover is located pad 32, ear muff 33 is circular, in this embodiment, the material of ear muff 33 includes the sponge, thereby make ear muff 33 buffering and deformability better, thereby make the user wear more comfortable, vibrator 34 fixed set up in pad 32 one side and lie in holding tank 312, vibrator 34 is used for changing the signal to sound signal broadcast, vibration lid 35 is fixed to be set up in pad 32 through the bolt, vibrator 34 is located between vibration lid 35 and pad 32, vibration lid 35 protects vibrator 34 inside, the hookup location fixed being provided with sealing washer 36 of vibration lid 35 and pad 32, thereby make the leakproofness between vibration lid 35 and the pad 32 be better, thereby make sound outlet 35 and vibration lid 35 are located to be close to the sound outlet through the fixed position that the vibration lid 35 is located to make the sound outlet is located to be close to one side, thereby the sound outlet is unloaded to the sound is connected to the sound outlet is better.

Referring to fig. 4 and 5, the ear shell 31 is fixedly provided with the light guide plate 38, in the embodiment of the application, the light guide plate 38 comprises ABS material, the light guide plate 39 is arranged between the light guide plate 38 and the ear shell 31, the light guide plate 39 is fixedly arranged on the ear shell 31, when the headset is used, the light guide plate 39 emits light, so that the visual effect is more when the headset is used, meanwhile, the light guide plate 39 continuously flashes along with the rhythm of music, so that the rhythm sense felt by a user is stronger, the experience sense is better, and the light guide plate 38 is arranged, so that the light emitted from the light guide plate 39 is more uniform and bright.

The implementation principle of the embodiment 1 of the application is as follows: when the length of the headset needs to be adjusted in a telescopic manner to keep the comfort of clamping the head better, the fixing frame 22 is dragged, the fixing frame 22 drives the telescopic blocks 21 to slide towards the direction close to or away from the adjusting part 12, the telescopic blocks 21 drive the guide blocks 213 to slide along the guide grooves 151, so that the telescopic blocks 21 slide more stably, the telescopic blocks 21 move to drive the two elastic blocks 211 to move, the two elastic blocks 211 move to drive the two adjusting protrusions 212 to move, the elastic blocks 211 enable the adjusting protrusions 212 to be smoothly separated from the adjusting grooves 1211 in a clamping fit manner, so that the adjusting grooves 1211 in the clamping fit manner of the two adjusting protrusions 212 are continuously replaced, the click sound generated by the clamping fit of the adjusting protrusions 212 and different adjusting grooves 1211 in the adjusting process is continuously sounded, the adjusting hand feeling is better and more comfortable, meanwhile, the positions between the telescopic blocks 21 and the adjusting part 12 are more stable, the telescopic blocks 21 and the adjusting part 12 are not easy to generate relative angles, the smooth adjusting grooves 1211 are reduced, and the length of the spherical adjusting grooves 1211 and the clamping fit of the adjusting grooves 1211 is also easy to be reduced, and the length of the existing adjusting grooves 1211 is easy to be easily separated from the adjusting grooves 1211 is also reduced.

Example 2.

Referring to fig. 7 and 8, embodiment 2 differs from embodiment 1 in that: the adjusting mechanism 2 further comprises a moving frame 217, a moving block 218 and a locking assembly 219, wherein two ends of the moving frame 217 are respectively and fixedly connected with the two adjusting blocks 121, when the two adjusting blocks 121 move towards the direction away from the adjusting protrusions 212, the two adjusting blocks 121 are separated from clamping fit with the adjusting protrusions 212, the moving block 218 is in sliding fit with the adjusting cover 15, the moving block 218 is fixedly connected with the moving frame 217, the moving block 218 drives the moving frame 217 to slide towards or away from the adjusting protrusions 212, the locking assembly 219 comprises a locking block 2191 and a locking spring 2192, the locking block 2191 is rotatably connected with the moving block 218, the locking spring 2192 is positioned between the locking block 2191 and the moving block 218, one end of the locking spring 2192 is fixedly connected with the locking block 2191, the other end of the locking spring 2192 is fixedly connected with the moving block 218, one end of the locking block 2191 is abutted against the adjusting cover 15, when the locking block 2191 is abutted against the adjusting cover 15, the friction resistance between the locking block 2191 and the adjusting cover 15 enables the moving block 218 to be locked and not easy to slide, and when the locking block 2191 is pressed, one end of the locking block 2191 rotates towards the direction close to the moving block 218, the other end of the sliding block 2191 is rotatably connected with the adjusting cover 15 in a direction away from the adjusting cover 15, and the friction resistance is greatly increased when the locking block 2191 is abutted against the adjusting cover and is in a sliding mode.

When the speed of the telescopic blocks 21 is required to be adjusted or the sliding of the telescopic blocks 21 is not smooth, the moving frame 217 drives the two adjusting blocks 121 to move towards the direction away from the adjusting protrusions 212, so that the adjusting protrusions 212 and the adjusting blocks 121 are separated from the clamping fit, the telescopic blocks 21 move towards the direction close to or away from the adjusting parts 12 smoothly and are not easy to be blocked, when the speed of the telescopic blocks is not required, the moving frame 217 drives the two adjusting blocks 121 to reset, the adjusting protrusions 212 and the adjusting grooves 1211 are in clamping fit again, and the moving block 218 is arranged, so that the moving of the moving frame 217 is simpler and more stable, and the moving of the moving frame 217 is faster. The implementation principle of embodiment 2 of the present application is the same as that of embodiment 1, and thus will not be described herein.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A retractable headset, characterized by: the head band comprises a head band (1), an adjusting mechanism (2) and a vibrating mechanism (3), wherein the head band (1) comprises a fixing part (11) and an adjusting part (12), the fixing part (11) is fixedly connected with the adjusting part (12), two sides of the adjusting part (12) are opposite to each other and are provided with adjusting blocks (121), a plurality of adjusting grooves (1211) are respectively formed in the adjusting blocks (121), the adjusting grooves (1211) are respectively and uniformly distributed in an end-to-end mode along the length direction of the two adjusting blocks (121), each adjusting groove (1211) is semicircular, the adjusting mechanism (2) comprises a telescopic block (21) and a fixing frame (22), the telescopic block (21) is fixedly connected with the fixing frame (22), the free ends of the telescopic block (21) far away from the fixing frame (22) are opposite to be fixedly provided with two elastic blocks (211), the two elastic blocks (211) are respectively and fixedly provided with two adjusting protrusions (212), the two adjusting protrusions (212) are respectively and are hemispherical, the two adjusting protrusions (212) are respectively arranged in a hemispherical shape, and are respectively opposite to each other and are matched with the two spherical protrusions (1211) and are far away from the telescopic block (12) or the telescopic block (12) in a sliding mode, the two adjusting protrusions (212) are respectively matched with the two different opposite adjusting grooves (1211) in a clamping mode, the vibration mechanism (3) is arranged on the fixing frame (22), and the vibration mechanism (3) is used for converting electric signals into acoustic signals to be transmitted.

2. A retractable headset according to claim 1, wherein: the adjusting part (12) is fixedly connected with an adjusting cover (15), a plurality of guide grooves (151) are formed in the adjusting cover (15), a plurality of guide blocks (213) are fixedly arranged on the telescopic blocks (21), and the adjusting blocks (121) respectively penetrate through the guide grooves (151) and are in sliding fit with the guide grooves (151).

3. A retractable headset according to claim 2, wherein: the telescopic block (21) is fixedly provided with an abutting block (214), and when the telescopic block (21) slides to a certain position in the direction away from the adjusting part (12), the abutting block (214) abuts against the adjusting cover (15).

4. A retractable headset according to claim 3, wherein: an adjusting scale (215) is carved on the side face of the telescopic block (21).

5. A retractable headset according to claim 3, wherein: a wire-arranging groove (216) is formed between the telescopic block (21) and the adjusting cover (15), one side of the wire-arranging groove (216) is communicated with the inside of the fixing frame (22), and the other side of the wire-arranging groove (216) is communicated with the inside of the fixing part (11).

6. A retractable headset according to claim 1, wherein: the vibration mechanism (3) comprises an earmuff (31), rotating holes (311) are formed in two sides of the earmuff (31), rotating blocks (222) are fixedly arranged on the opposite sides of the fixed frame (22), and the two rotating blocks (222) respectively penetrate through the two rotating holes (311) and are in rotating fit with the two rotating holes (311).

7. A retractable headset according to claim 6, wherein: two spacing groove (2222) have all been seted up to rotation piece (222), two the pore wall of rotation hole (311) is all fixed and is provided with stopper (3111), two stopper (3111) wear to locate two spacing grooves (2222) respectively and with two spacing groove (2222) normal running fit, two rotation piece (222) have all been seted up and have been run through rotation groove (2221) that set up, two rotation groove (2221) all communicates with mount (22) inside, and the circuit is followed rotation groove (2221) gets into auricular (31) inside.

8. A retractable headset according to claim 7, wherein: the light guide plate (38) is fixedly arranged on the earmuff (31), a lamp panel (39) is arranged between the light guide plate (38) and the earmuff (31), and the lamp panel (39) is fixedly arranged on the earmuff (31).

9. A retractable headset according to claim 2, wherein: the adjusting mechanism (2) further comprises a moving frame (217), moving blocks (218) and a locking assembly (219), two ends of the moving frame (217) are fixedly connected with the two adjusting blocks (121) respectively, when the adjusting blocks (121) move away from the adjusting protrusions (212), the two adjusting blocks (121) are separated from being matched with the clamping protrusions (212) in a clamping manner, the moving blocks (218) are matched with the adjusting cover (15) in a sliding manner, the moving blocks (218) are fixedly connected with the moving frame (217), and the locking assembly (219) is used for locking the positions of the moving blocks (218).

10. A retractable headset according to claim 9, wherein: the locking assembly (219) comprises a locking block (2191) and a locking spring (2192), the locking block (2191) is rotationally connected to the moving block (218), the locking spring (2192) is located between the locking block (2191) and the moving block (218), one end of the locking spring (2192) is fixedly connected with the locking block (2191), the other end of the locking spring (2192) is fixedly connected with the moving block (218), and one end of the locking block (2191) is abutted by the locking spring with the adjusting cover (15).