CN112954540B

CN112954540B - Telescopic bluetooth headset loudspeaker of adjustable audio

Info

Publication number: CN112954540B
Application number: CN202110403238.9A
Authority: CN
Inventors: 盛成龙
Original assignee: Shenzhen Shengjiali Electronics Co ltd
Current assignee: Shenzhen Shengjiali Electronics Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2023-09-22
Anticipated expiration: 2041-04-14
Also published as: CN112954540A

Abstract

The invention discloses a telescopic Bluetooth headset loudspeaker with adjustable sound effect, which comprises a body, a microphone arranged in the body and a sliding part used for adjusting the position of the microphone, wherein the body comprises a first connecting section, a second connecting section connected with the first connecting section, a third connecting section connected with the second connecting section, an upper cover fixedly arranged on the third connecting section and a sound outlet cylinder connected with the upper cover.

Description

Telescopic bluetooth headset loudspeaker of adjustable audio

Technical Field

The invention belongs to the technical field of Bluetooth headphones, and particularly relates to a telescopic Bluetooth headphone loudspeaker with adjustable sound effect.

Background

Along with the continuous progress of science and technology, the consumer constantly improves bluetooth headset's demand, not only has higher to the outward appearance requirement of earphone, has certain demand to the audio quality of earphone moreover, but bluetooth headset's tone quality often is inferior some than wired earphone with position, same type at present, because bluetooth headset inner structure can't change, can not adjust the position of inside microphone and the diaphragm of earphone, bluetooth headset's audio quality can not be adjusted, and the noise reduction effect is relatively poor moreover, produces the noise easily, user experience is relatively poor.

Disclosure of Invention

Aiming at the problems existing in the prior art, the invention provides the telescopic Bluetooth headset loudspeaker with adjustable sound effect, which is provided with the functions of respectively adjusting a microphone and a diaphragm, adjusting the sound vibration space in the headset, enabling the sound to be more three-dimensional when being transmitted, simultaneously carrying out multiple noise reduction on the headset, avoiding noise, enabling the sound effect in the headset to be conveniently adjusted, solving the problems that the sound effect of the conventional Bluetooth headset cannot be adjusted, the positions of the microphone and the diaphragm in the headset cannot be adjusted, the noise reduction effect is poor, noise is easy to generate and the user experience is poor.

The invention discloses a telescopic Bluetooth earphone loudspeaker with adjustable sound effect, which comprises a body, a microphone arranged in the body and a sliding part used for adjusting the position of the microphone, wherein the body comprises a first connecting section, a second connecting section connected with the first connecting section, a third connecting section connected with the second connecting section, an upper cover fixedly arranged on the third connecting section and a sound outlet barrel connected with the upper cover;

the sliding part comprises a first guide groove, a fixed plate, a first sliding part and a telescopic part, wherein the first guide groove is arranged in the third connecting section, the fixed plate is used for fixing the microphone, the first sliding part is arranged on the fixed plate, the telescopic part is used for adjusting the position of the fixed plate, and the other side of the fixed plate is hinged with the inner wall of the third connecting section;

the telescopic component comprises an annular groove, a lantern ring, a cutting part, a ratchet wheel, a rotating groove, a pressing piece, a push rod, a second guide groove and a spring piece, wherein the annular groove is arranged on the inner wall of the first connecting section, the lantern ring is arranged in the annular groove in a sliding mode, the cutting part is arranged on the lantern ring, the ratchet wheel is connected with the lantern ring, the rotating groove is matched with the ratchet wheel, the pressing piece is matched with the ratchet wheel, the push rod is matched with the cutting part, the second guide groove is used for moving the push rod, the spring piece is arranged in the first guide groove, one end of the spring piece is fixedly connected with the first sliding part, the cutting part is in a spiral ascending arc shape, the push rod is in butt joint with the cutting part, and the second guide groove is respectively arranged on the inner walls of the first connecting section, the second connecting section and the third connecting section;

the pressing piece comprises a first connecting part, a second connecting part and a third connecting part, wherein the first connecting part is connected with the top wall of the rotary groove and extends downwards, the second connecting part is recessed downwards, and the third connecting part is tilted upwards.

As a preferred embodiment of the present invention, the sound output barrel includes a barrel body, a first clamping protrusion disposed on the barrel body, a second clamping protrusion matched with the first clamping protrusion, a fixing groove disposed between the first clamping protrusion and the second clamping protrusion, edges disposed at two sides of the fixing groove, a diaphragm disposed in the barrel body, and an adjusting member for controlling a distance between the diaphragm and the microphone; the outer side of the second clamping protrusion is provided with a chamfer.

As the preferable one of the invention, the adjusting part comprises a third guide groove arranged on the inner wall of the cylinder, a connecting plate for fixing the membrane, a second sliding part arranged on the connecting plate and matched with the third guide groove, a plurality of arc plates connected with the second sliding part and a poking part connected with the arc plates, wherein the arc plates are arranged on the inner sides of the two edges in a sliding way, and the arc plates are semi-cylindrical.

As the preferable mode of the invention, one end of the cylinder body is provided with a clamping part, and the connecting plate is provided with a first notch matched with the clamping part.

Preferably, the inner side of the upper cover is provided with a plurality of extending parts, the extending parts are provided with clamping teeth, the third connecting section is provided with tooth grooves matched with the clamping teeth, and the upper cover is provided with a second notch matched with the extending parts.

As the preferable mode of the invention, the middle part of the first connecting section is rotationally connected with an annular rotating plate, one side of the rotating plate is connected with a connecting belt, the other end of the connecting belt is connected with a buckle cover, two convex parts are arranged in the buckle cover, and a concave part matched with the convex parts is arranged on the ratchet wheel.

As preferable, the inner side of the buckle cover is provided with a clamping ring, and the outer wall of the first connecting section is provided with a clamping groove matched with the clamping ring.

Preferably, the ejector rod comprises a first rod body abutting against the cutting part, a flexible second rod body arranged in the second guide groove and a third rod body matched with the first guide groove.

As the preferred mode of the invention, the fixing groove is provided with a through hole, the outer ring of the fixing groove is clamped with a noise reduction pad, and the outer side of the sound outlet barrel is provided with an earplug sleeve.

As the preferable mode of the invention, a filter screen is arranged inside the cylinder body and positioned on the inner side of the second clamping protrusion.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the Bluetooth headset, the body, the microphone, the sliding part, the adjusting part, the clamping part, the first notch, the extending part, the clamping tooth, the tooth slot, the second notch, the rotating plate, the connecting belt, the buckle cover, the convex part, the concave part, the clamping ring, the clamping groove, the through hole, the noise reduction pad, the earplugs and the filter screen are arranged for use in a matched mode, the microphone and the diaphragm can be respectively adjusted, the sound vibration space inside the headset can be adjusted, the sound can be transmitted more three-dimensionally, meanwhile, the headset can be subjected to multiple noise reduction, noise is avoided, the problem that the sound inside the headset can be conveniently adjusted, the problem that the sound effect of the existing Bluetooth headset cannot be adjusted, the positions of the microphone and the diaphragm inside the headset cannot be adjusted, the noise reduction effect is poor, the noise is easy to generate, and the user experience is poor is solved.

2. According to the invention, the sound outlet cylinder is arranged, so that the installation of the earplug sleeve can be facilitated, the first clamping protrusion and the second clamping protrusion can prevent the earplug sleeve from falling off, the fixing groove can facilitate the adjustment of the position of the diaphragm, and the diaphragm can reduce noise of output sound.

3. According to the invention, the adjusting component is arranged, so that noise generated by the diaphragm and the microphone can be reduced, the diaphragm is fixed on the connecting plate, the mounting plate is guided through the third guide groove, the connecting plate and the diaphragm on the connecting plate are driven to move through the stirring part and the arc plate, the space between the microphone and the diaphragm can be adjusted, and stereophonic sound can be generated.

4. According to the invention, the clamping part and the first notch are arranged, so that the connecting plate and the diaphragm can be conveniently installed in the cylinder body, and the installation is convenient.

5. According to the invention, the extension part, the latch, the tooth groove and the second notch are arranged, so that the upper cover and the third connecting section can be conveniently installed, the latch and the tooth groove can be conveniently clamped between the upper cover and the third connecting section, and the second notch can be conveniently detached between the upper cover and the third connecting section.

6. According to the invention, the rotating plate, the connecting belt, the buckle cover, the convex part and the concave part are arranged, the rotating plate can rotate on the first connecting section, the connecting belt can prevent the buckle cover from being lost, the convex part can be inserted into the concave part, the rotation of the lantern ring can be facilitated, the fixed plate can be pushed against the ejector rod to rotate, the position of the microphone can be conveniently adjusted, and the size of the space between the microphone and the diaphragm can be adjusted.

7. According to the invention, the clamping ring and the clamping groove are arranged, and the buckle cover is made of rubber, so that the buckle cover can be conveniently fixed on the first connecting section, and the loss is prevented.

8. According to the invention, the first rod body, the second rod body and the third rod body are arranged, the second rod body is made of flexible materials, and the first rod body and the third rod body are connected with the second rod body, so that the fixed plate can be conveniently adapted to the second guide groove and can be conveniently pushed to move.

9. According to the invention, through the arrangement of the through hole, the noise reduction pad and the earplug sleeve, partial pressure in the body can be transmitted into the fixed groove through the through hole, the stability of sound is kept, the noise generated in the body can be reduced through the noise reduction pad, and the earplug sleeve can further improve the noise reduction effect of the earphone.

10. According to the invention, the filter screen is arranged, so that dust and the like can be prevented from entering the body, and pollution is avoided.

Drawings

FIG. 1 is a schematic view of the structure provided by the present invention 1;

FIG. 2 is a side view provided by the present invention;

FIG. 3 is a cross-sectional view of the invention at A-A in FIG. 2 in a first embodiment;

FIG. 4 is an enlarged view of FIG. 3A provided by the present invention;

fig. 5 is an enlarged view of the present invention at B in fig. 4 in a second embodiment;

FIG. 6 is an enlarged view of the invention at C in FIG. 3 in a first embodiment;

FIG. 7 is an enlarged view of the invention at D in FIG. 3 in a first embodiment;

FIG. 8 is a schematic view of the structure provided by the present invention 2;

FIG. 9 is a schematic view showing the structure of a press sheet in the first embodiment of the present invention;

FIG. 10 is a schematic view of the ratchet wheel in accordance with the first embodiment of the present invention;

FIG. 11 is a schematic view of a carrier rod in accordance with a first embodiment of the present invention;

fig. 12 is a schematic structural diagram of a sound output tube in the first embodiment of the present invention.

In the figure: 1. a body; 2. a microphone; 11. a first connection section; 12. a second connection section; 13. a third connecting section; 14. an upper cover; 15. a sound outlet tube; 31. a first guide groove; 32. a fixing plate; 33. a first sliding portion; 341. an annular groove; 342. a collar; 343. a cutting portion; 344. a ratchet wheel; 345. a rotating groove; 346. tabletting; 347. a push rod; 348. a second guide groove; 349. a spring plate; 3461. a first connection portion; 3462. a second connecting portion; 3463. a third connecting portion; 151. a cylinder; 152. the first clamping protrusion; 153. the second clamping protrusion; 154. A fixing groove; 155. an edge; 156. a membrane; 41. a third guide groove; 42. a connecting plate; 43. a second sliding part; 44. an arc-shaped plate; 45. a toggle part; 51. a clamping part; 52. a first notch; 61. an extension; 62. Latch teeth; 63. tooth slots; 64. a second notch; 71. a rotating plate; 72. a connecting belt; 73. a buckle cover; 74. A convex portion; 75. a concave portion; 731. a clasp; 732. a clamping groove; 81. a first rod body; 82. a second rod body; 83. A third rod body; 91. a through hole; 92. a noise reduction pad; 93. an ear plug sleeve; 94. and (3) a filter screen.

Detailed Description

For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 12, the telescopic bluetooth headset speaker with adjustable sound effect provided by the embodiment of the invention comprises a body 1, a microphone 2 arranged in the body 1 and a sliding component for adjusting the position of the microphone 2, wherein the body 1 comprises a first connecting section 11, a second connecting section 12 connected with the first connecting section 11, a third connecting section 13 connected with the second connecting section 12, an upper cover 14 fixedly arranged on the third connecting section 13 and a sound outlet barrel 15 connected with the upper cover 14, and the microphone 2 is positioned in the third connecting section 13;

the sliding part comprises a first guide groove 31 arranged in the third connecting section 13, a fixed plate 32 used for fixing the microphone 2, a first sliding part 33 arranged on the fixed plate 32 and a telescopic part used for adjusting the position of the fixed plate 32, and the other side of the fixed plate 32 is hinged with the inner wall of the third connecting section 13;

the telescopic component comprises an annular groove 341 arranged on the inner wall of the first connecting section 11, a lantern ring 342 arranged in the annular groove 341 in a sliding manner, a cutting part 343 arranged on the lantern ring 342, a ratchet wheel 344 connected with the lantern ring 342, a rotating groove 345 matched with the ratchet wheel 344, a pressing piece 346 matched with the ratchet wheel 344, a push rod 347 matched with the cutting part 343, a second guide groove 348 for moving the push rod 347 and a spring piece 349 matched with the first sliding part 33, wherein the spring piece 349 is positioned in the first guide groove 31, one end of the spring piece 349 is fixedly connected with the first sliding part 33, the cutting part 343 is in a spiral rising arc shape, the push rod 347 is abutted with the cutting part 343, and the second guide groove 348 is respectively positioned on the inner walls of the first connecting section 11, the second connecting section 12 and the third connecting section 13;

the pressing piece 346 includes a first connecting portion 3461 connected to the top wall of the rotating groove 345 and extending downward, a second connecting portion 3462 recessed downward, and a third connecting portion 3463 tilted upward.

According to the invention, through the matched use of the body 1, the microphone 2 and the sliding component, as the elastic sheet 349 is abutted against the fixed plate 32, the bottom end of the ejector rod 347 is tightly abutted against the spiral cutting part 343, the ejector rod 347 is positioned at the lower point of the arc shape of the spiral rising of the cutting part 343 in the initial state, the horizontal position of the ejector rod 347 is fixed, when the lantern ring 342 rotates along with the ratchet wheel 344, the cutting part 343 of the lantern ring 342 continuously pushes up the ejector rod 347, so that the ejector rod 347 stretches and contracts in the second guide groove 348, the height of the ejector rod 347 is increased, and the fixed plate 32 is pushed to perform certain angle adjustment, and the space between the microphone 2 and the diaphragm 156 is conveniently adjusted; because the teeth on the ratchet 344 are located at the top, the first connecting portion 3461 is fixedly connected with the ratchet 344, the pressing piece 346 is formed by bending a copper sheet, the first connecting portion 3461 and the third connecting portion 3463 are respectively located above the teeth on the ratchet 344, the second connecting portion 3462 is located inside the teeth, when the buckle cover 73 rotates positively, the first connecting portion 3461 can bring the second connecting portion 3462 to be separated from between two adjacent teeth, and when the buckle cover 73 rotates reversely, the third connecting portion 3463 can also bring the second connecting portion 3462 to be separated from between two adjacent teeth, so that the contact position between the pressing piece 346 and the ratchet 344 can be conveniently adjusted, the contact point between the ejector rod 347 and the cutting portion 343 can be conveniently adjusted, the angle of the microphone 2 can be further conveniently adjusted, and the sound effect can be conveniently adjusted.

Referring to fig. 6 and 12, the sound output tube 15 includes a tube 151, a first clamping protrusion 152 disposed on the tube 151, a second clamping protrusion 153 matching with the first clamping protrusion 152, a fixing slot 154 disposed between the first clamping protrusion 152 and the second clamping protrusion 153, edges 155 disposed at both sides of the fixing slot 154, a diaphragm 156 disposed inside the tube 151, and an adjusting member for controlling a distance between the diaphragm 156 and the microphone 2; the outer side of the second clamping protrusion 153 is provided with a chamfer.

The scheme is adopted: through setting up play sound section of thick bamboo 15, can make things convenient for the installation of earmuff 93, protruding 152 of first card and the protruding 153 of second card can prevent that earmuff 93 from coming off, and fixed slot 154 can make things convenient for the regulation in diaphragm 156 position, and diaphragm 156 can make an uproar to the sound of output.

Referring to fig. 6, the adjusting component includes a third guide groove 41 disposed on an inner wall of the cylinder 151, a connecting plate 42 for fixing the diaphragm 156, a second sliding portion 43 disposed on the connecting plate 42 and matched with the third guide groove 41, a plurality of arc plates 44 connected with the second sliding portion 43, and a toggle portion 45 connected with the plurality of arc plates 44, wherein the arc plates 44 are slidably disposed inside the two edges 155, and the arc plates 44 are semi-cylindrical.

The scheme is adopted: through setting up adjusting part, can fall the sound that diaphragm 156 and microphone 2 sent and make an uproar, diaphragm 156 is fixed on connecting plate 42, and the mounting panel leads through third guide slot 41, drives connecting plate 42 and diaphragm 156 on through stirring portion 45 and arc 44 and removes, can adjust the space between microphone 2 and the diaphragm 156, can produce the stereophonic sound.

Referring to fig. 3, one end of the cylinder 151 is provided with a clamping portion 51, and the connecting plate 42 is provided with a first notch 52 matched with the clamping portion 51.

The scheme is adopted: by providing the clamping portion 51 and the first notch 52, the connecting plate 42 and the diaphragm 156 can be conveniently mounted inside the cylinder 151, and the mounting is convenient.

Referring to fig. 7, the middle part of the first connecting section 11 is rotatably connected with an annular rotating plate 71, one side of the rotating plate 71 is connected with a connecting belt 72, the other end of the connecting belt 72 is connected with a buckle cover 73, two convex parts 74 are arranged in the buckle cover 73, and a concave part 75 matched with the convex parts 74 is arranged on the ratchet wheel 344.

The scheme is adopted: through setting up rotor plate 71, connecting band 72, buckle closure 73, convex part 74 and concave part 75, rotor plate 71 can rotate on first linkage segment 11, and the connecting band 72 can prevent buckle closure 73 and lose, and convex part 74 can insert concave part 75, can make things convenient for the rotation of lantern ring 342, can push fixed plate 32 rotation against ejector pin 347, conveniently adjusts the position of microphone 2, can adjust the space size between microphone 2 and the diaphragm 156.

Referring to fig. 7, a snap ring 731 is provided on the inner side of the buckle cover 73, and a slot 732 is provided on the outer wall of the first connecting section 11, which mates with the snap ring 731.

The scheme is adopted: by providing the snap ring 731 and the clip groove 732, the buckle cover 73 is made of rubber, and can be conveniently fixed to the first connection section 11, preventing loss.

Referring to fig. 11, the ejector 347 includes a first rod 81 abutting against the cutting portion 343, a flexible second rod 82 disposed in the second guide slot 348, and a third rod 83 engaged with the first guide slot 31.

The scheme is adopted: through setting up first body of rod 81, second body of rod 82 and third body of rod 83, second body of rod 82 is made for flexible material, and first body of rod 81 and third body of rod 83 link to each other with second body of rod 82, can conveniently adapt to second guide slot 348, conveniently promote fixed plate 32 removal.

Referring to fig. 6, the fixing groove 154 is provided with a through hole 91, the outer ring of the fixing groove 154 is clamped with a noise reduction pad 92, and the outer side of the sound outlet tube 15 is provided with an earplug 93.

The scheme is adopted: through setting up through-hole 91, making an uproar pad 92 and earplug cover 93, through-hole 91 can be with the inside partial pressure transmission of body 1 to fixed slot 154 inside, keeps the stability of sound, makes an uproar pad 92 can reduce the inside noise that produces of body 1, and earplug cover 93 can further improve the noise reduction effect of earphone.

Referring to fig. 6, a filter screen 94 is disposed inside the cylinder 151 and inside the second clamping protrusion 153.

The scheme is adopted: by providing the filter screen 94, dust and the like can be prevented from entering the body 1, and pollution can be avoided.

Example two

As shown in fig. 5, in the second embodiment, other structures are unchanged, the present invention provides another structure form of the upper cover 14, so as to solve the problem that the upper cover 14 and the third connecting section 13 are inconvenient to install, disassemble and difficult to clamp, the inner side of the upper cover 14 is provided with a plurality of extension parts 61, the extension parts 61 are provided with latch teeth 62, the third connecting section 13 is provided with tooth grooves 63 matched with the latch teeth 62, and the upper cover 14 is provided with a second notch 64 matched with the extension parts 61; the scheme is adopted: through setting up extension 61, latch 62, tooth's socket 63 and second breach 64, can make things convenient for the installation between upper cover 14 and the third linkage segment 13, latch 62 and tooth's socket 63 can make things convenient for the chucking between upper cover 14 and the third linkage segment 13, and the dismantlement between second breach 64 can make things convenient for upper cover 14 and the third linkage segment 13.

The working principle of the invention is as follows:

when the earphone sound effect adjusting device is used, when the earphone sound effect adjusting device is required to be used, firstly, the buckle cover 73 is clamped to the bottom end of the first connecting section 11, the convex part 74 is inserted into the concave part 75, then the buckle cover 73 is rotated, the buckle cover 73 drives the ratchet wheel 344 to rotate, the ratchet wheel 344 and the lantern ring 342 are integrally formed, the lantern ring 342 rotates along with the ratchet wheel 344, the elastic piece 349 indirectly abuts against the ejector rod 347, the bottom end of the ejector rod 347 is tightly abutted against the cutting part 343, the ratchet wheel 344 rotates to push the ejector rod 347 to stretch and retract, at the moment, the ejector rod 347 stretches and contracts in the second guide groove 348, the fixed plate 32 and the microphone 2 on the fixed plate can be driven to rotate to a certain extent, the purpose of adjusting the space between the microphone 2 and the diaphragm 156 can be achieved, when the position of the diaphragm 156 is required to be adjusted, firstly, the earplug sleeve 93 and the noise reducing pad 92 are sequentially taken down, and then the arc plate 44 is driven to slide through the stirring rod, so that the diaphragm 156 is subjected to relative displacement inside the cylinder 151, and the purpose of conveniently adjusting the space between the microphone 2 and the diaphragm 156 is achieved.

To sum up: this telescopic bluetooth headset loudspeaker of adjustable audio is through body 1, microphone 2, sliding part, adjusting part, joint portion 51, first breach 52, extension 61, latch 62, tooth's socket 63, second breach 64, rotating plate 71, connecting band 72, buckle closure 73, convex part 74, concave part 75, snap ring 731, draw-in groove 732, through-hole 91, fall and fill up 92, earplug cover 93 and filter screen 94's mutually support, can adjust microphone 2 and diaphragm 156 respectively, can adjust the inside sound vibration space of earphone, can make sound more three-dimensional when outgoing, can make a uproar to the earphone multiple simultaneously, avoid appearing the noise, make the inside sound of earphone can conveniently be adjusted, the audio effect of current bluetooth headset can not be adjusted, can not adjust the inside microphone 2 of earphone and the position of diaphragm 156, the effect of making an uproar falls moreover, noise reduction effect is relatively poor, produce the noise easily, user experience's problem relatively poor.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable audio telescopic bluetooth headset loudspeaker, includes body (1), locates inside microphone (2) of body (1) and is used for adjusting the sliding part in microphone (2) position, its characterized in that: the body (1) comprises a first connecting section (11), a second connecting section (12) connected with the first connecting section (11), a third connecting section (13) connected with the second connecting section (12), an upper cover (14) fixedly arranged on the third connecting section (13) and a sound outlet barrel (15) connected with the upper cover (14), and the microphone (2) is positioned in the third connecting section (13);

the sliding part comprises a first guide groove (31) arranged in the third connecting section (13), a fixed plate (32) used for fixing the microphone (2), a first sliding part (33) arranged on the fixed plate (32) and a telescopic part used for adjusting the position of the fixed plate (32), and the other side of the fixed plate (32) is hinged with the inner wall of the third connecting section (13);

the telescopic component comprises an annular groove (341) arranged on the inner wall of the first connecting section (11), a lantern ring (342) arranged in the annular groove (341) in a sliding manner, a cutting part (343) arranged on the lantern ring (342), a ratchet wheel (344) connected with the lantern ring (342), a rotating groove (345) matched with the ratchet wheel (344), a pressing sheet (346) matched with the ratchet wheel (344), an ejector rod (347) matched with the cutting part (343), a second guide groove (348) used for moving the ejector rod (347) and an elastic sheet (349) matched with the first sliding part (33), wherein the elastic sheet (349) is positioned in the first guide groove (31), one end of the elastic sheet (349) is fixedly connected with the first sliding part (33), the cutting part (343) is in a spiral ascending arc shape, the ejector rod (347) is abutted with the cutting part (343), and the second guide groove (348) is respectively positioned on the inner walls of the first connecting section (11), the second connecting section (12) and the third connecting section (13).

The pressing piece (346) comprises a first connecting part (3461), a second connecting part (3462) and a third connecting part (3463), wherein the first connecting part is connected with the top wall of the rotating groove (345) and extends downwards, the second connecting part is sunken downwards, and the third connecting part is tilted upwards.

2. The adjustable sound telescopic bluetooth headset speaker of claim 1, wherein: the sound outlet barrel (15) comprises a barrel body (151), a first clamping protrusion (152) arranged on the barrel body (151), a second clamping protrusion (153) matched with the first clamping protrusion (152), a fixing groove (154) arranged between the first clamping protrusion (152) and the second clamping protrusion (153), edges (155) arranged on two sides of the fixing groove (154), a diaphragm (156) arranged in the barrel body (151) and an adjusting component for controlling the distance between the diaphragm (156) and the microphone (2); the outer side of the second clamping convex (153) is provided with a chamfer.

3. The adjustable sound telescopic bluetooth headset speaker of claim 2, wherein: the adjusting part comprises a third guide groove (41) arranged on the inner wall of the cylinder body (151), a connecting plate (42) used for fixing a diaphragm (156), a second sliding part (43) arranged on the connecting plate (42) and matched with the third guide groove (41), a plurality of arc plates (44) connected with the second sliding part (43) and a poking part (45) connected with the arc plates (44), wherein the arc plates (44) are arranged on the inner sides of the two edges (155) in a sliding mode, and the arc plates (44) are semi-cylindrical.

4. A sound-effect-adjustable telescopic bluetooth headset speaker as claimed in claim 3, wherein: one end of the cylinder body (151) is provided with a clamping part (51), and the connecting plate (42) is provided with a first notch (52) matched with the clamping part (51).

5. A telescopic bluetooth headset speaker with adjustable sound effects according to claim 1 or 4, wherein: the inner side of upper cover (14) is equipped with a plurality of extension (61), be equipped with latch (62) on extension (61), be equipped with on third linkage segment (13) with latch (62) matched with tooth's socket (63), be equipped with on upper cover (14) with extension (61) matched with second breach (64).

6. The adjustable sound telescopic bluetooth headset speaker of claim 5, wherein: the middle part of first linkage segment (11) rotates and is connected with annular rotation board (71), one side of rotation board (71) is connected with connecting band (72), the other end of connecting band (72) is connected with buckle closure (73), the inside of buckle closure (73) is equipped with two convex parts (74), be equipped with on ratchet (344) with convex part (74) matched with concave part (75).

7. The adjustable sound telescopic bluetooth headset speaker of claim 6, wherein: the inner side of the buckle cover (73) is provided with a clamping ring (731), and the outer wall of the first connecting section (11) is provided with a clamping groove (732) matched with the clamping ring (731).

8. The adjustable sound telescopic bluetooth headset speaker of claim 7, wherein: the ejector rod (347) comprises a first rod body (81) abutted against the cutting part (343), a flexible second rod body (82) arranged in the second guide groove (348) and a third rod body (83) matched with the first guide groove (31).

9. The adjustable sound telescopic bluetooth headset speaker of claim 2, wherein: the sound tube is characterized in that a through hole (91) is formed in the fixing groove (154), a noise reduction pad (92) is clamped on the outer ring of the fixing groove (154), and an earplug sleeve (93) is arranged on the outer side of the sound tube (15).

10. The adjustable sound telescopic bluetooth headset speaker of claim 2, wherein: the filter screen (94) is arranged inside the cylinder (151) and positioned on the inner side of the second clamping protrusion (153).