CN220123034U - Headset capable of changing single-ear and double-ear wearing mode - Google Patents

Abstract

The utility model discloses a headset capable of changing a single-ear and double-ear wearing mode, which comprises a head band, a first connecting bracket, a second connecting bracket, a third connecting bracket, a first headset shell, a second headset shell and a head patch, wherein the first headset shell is connected with the first connecting bracket; the first end of the head band is movably connected with a first adjusting belt which can extend or retract, the lower end of the first adjusting belt is detachably connected with a first connecting bracket, and the lower end of the first connecting bracket is connected with the first earphone shell; the second end of the head band is movably connected with a second adjusting belt which can extend or retract, the lower end of the second adjusting belt is detachably connected with a second connecting bracket or a third connecting bracket, the second connecting bracket is connected with the head patch, and the lower end of the third connecting bracket is connected with the shell of the second earphone. The utility model can realize the change and conversion between the single-ear type headphone and the double-ear type headphone through simple disassembly and assembly, and the two ends of the head band are connected with the extensible or retractable adjusting belts, so that the position of the headphone shell or the head patch can be adjusted.

Description

Headset capable of changing single-ear and double-ear wearing mode

Technical Field

The utility model relates to the technical field of earphones, in particular to a headset capable of changing a single-ear and double-ear wearing mode.

Background

See patent application CN110881151a, which is a common type of binaural headphone in the prior art, the binaural headphone includes a headband, two ends of the headband are respectively connected with an earphone device, and after the binaural headphone is worn, a person's ears can hear voice or music through the two earphone devices. However, such binaural headphones are not suitable for use by staff, such as a customer service person, an operator, etc., who need to listen to both the headphone audio and the ambient sound.

See patent application CN302054019S, which discloses a single-ear headphone, the single-ear headphone includes a head band, one end of the head band is connected with an earphone device, the other end of the head band is connected with a head patch, after wearing the single-ear headphone, one ear of a person can hear voice or music through the earphone device, and the other ear can hear environmental sound, so that the requirements of staff such as customer service staff, telephone operators and the like can be met. However, such a single-ear headphone is not suitable for use when an ordinary user plays an entertainment, because the ordinary user cannot listen to the voice or music of the ear device through both ears at the same time. Furthermore, the single ear headphones shown in this patent have a further disadvantage in that the position between the head rest and the headband cannot be adjusted, making it difficult for the single ear headphones to meet users having various head shapes.

Disclosure of Invention

According to the defects of the prior art, the utility model provides the headset capable of changing the single-ear and double-ear wearing mode, and the headset can realize the changing and conversion between the single-ear headset and the double-ear headset through simple disassembly and assembly work, so that the requirements of a customer service person, an operator and other staff on single-ear hearing headset audios can be met, and the requirements of common users on double-ear hearing audios can be met; the two ends of the head band of the headphone are connected with the extensible or retractable adjusting bands, so that the positions of the headphone shell or the head patch can be adjusted to meet the requirements of users with various head types.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a headset capable of changing the wearing mode of single ear and double ear comprises a head band, a first connecting bracket, a second connecting bracket, a third connecting bracket, a first headset shell, a second headset shell and a head patch; the first end of the head hoop is movably connected with a first adjusting belt which can extend or retract, the lower end of the first adjusting belt is detachably connected with a first connecting bracket, and the lower end of the first connecting bracket is connected with a first earphone shell; the second end of the head hoop is movably connected with a second adjusting belt which can extend or retract, the lower end of the second adjusting belt is detachably connected with a second connecting bracket or a third connecting bracket, one side of the second connecting bracket is connected with the head patch, and the lower end of the third connecting bracket is connected with the second earphone shell; a first loudspeaker is arranged in the first earphone shell, and a second loudspeaker is arranged in the second earphone shell.

Preferably, the head band comprises an outer head band sheet, an inner head band sheet, a flexible gasket, a first positioning mechanism and a second positioning mechanism; the inner head hoop sheet is arranged on the inner side of the outer head hoop sheet, and the flexible gasket covers the inner head hoop sheet; a first chute is formed at a first end between the inner head hoop sheet and the outer head hoop sheet, the upper end of the first adjusting belt is slidably accommodated in the first chute, a second chute is formed at a second end between the inner head hoop sheet and the outer head hoop sheet, and the upper end of the second adjusting belt is slidably accommodated in the second chute; the first positioning mechanism is arranged at the first end of the outer head hoop sheet and is used for positioning the first adjusting belt; the second positioning mechanism is arranged at the second end of the outer head hoop sheet and is used for positioning the second adjusting belt.

Preferably, a row of first positioning pits are arranged at equal intervals at the upper end of the first adjusting belt, the first positioning mechanism comprises a first positioning shell and a first positioning rod, the first positioning shell is connected to the inner side of the first end part of the outer head hoop sheet through a screw, a first positioning rod mounting hole is formed in the inner wall of the first positioning shell, one end of the first positioning rod is arranged in the first positioning rod mounting hole, a first round head protrusion is arranged at the other end of the first positioning rod, and the first round head protrusion of the first positioning rod can be clamped into any one of the first positioning pits; the upper end equidistant interval of second adjustment area is equipped with a row of second locating pit, second positioning mechanism includes second positioning shell and second locating lever, the second positioning shell passes through screw connection in the second end tip inboard of outer first hoop piece, and the inner wall of second positioning shell is equipped with second locating lever mounting hole, the one end of second locating lever is installed in second locating lever mounting hole, the other end of second locating lever is equipped with the second button head arch, the second button head arch of second locating lever can block into in arbitrary second locating pit.

Preferably, the first connecting bracket and the third connecting bracket respectively comprise an upper connecting shell and a lower connecting frame body, and the upper connecting shell comprises an upper outer shell, an upper inner shell, a clamping block and a flexible damping block; the upper outer shell and the upper inner shell are mutually covered, a first accommodating cavity is formed by surrounding the upper ends of the upper outer shell and the upper inner shell, and the lower end of the first adjusting belt or the lower end of the second adjusting belt can be accommodated in the first accommodating cavity and is detachably connected through a screw; the clamping blocks and the flexible damping blocks are opposite in position and are installed in the lower ends of the upper outer shell and the upper inner shell together, and bracket rod mounting holes are formed between the clamping blocks and the flexible damping blocks; the upper end of the lower connecting frame body is connected with a support rod, the upper end of the support rod is rotatably arranged in the support rod mounting hole, and the support rod is in interference fit with the flexible damping block.

Preferably, a first semicircular clamping hole and a damping block mounting groove are formed in the inner wall of the lower end of the upper shell, and the flexible damping block is accommodated in the damping block mounting groove; the clamping block is connected to the inner wall of the lower end of the upper shell through a screw, a second semicircular clamping hole is formed in the upper end of the clamping block, and the first semicircular clamping hole and the second semicircular clamping hole are matched with each other to form a circular clamping hole; the bracket rod is a cylindrical bracket rod, an annular groove is formed in the upper end of the bracket rod, the annular groove is clamped in the circular clamping hole, and the diameter of the circular clamping hole is smaller than that of the bracket rod but larger than that of the bottom of the annular groove.

Preferably, the upper end of the lower connecting frame body is provided with a fan-shaped annular limiting block in an upward protruding mode, and the fan-shaped annular limiting block is positioned on the outer side of the support frame rod; the bottom of the upper shell is provided with a bracket rod through hole and a fan-shaped annular limiting groove for movably inserting the bracket rod, and the fan-shaped annular limiting groove is positioned at the outer side of the through hole; the fan-shaped limiting block is movably accommodated in the fan-shaped limiting groove, the central angle of the fan-shaped limiting block is 45-90 degrees, and the central angle of the fan-shaped limiting groove is 150-180 degrees.

Preferably, the lower end of the lower connecting frame body is provided with two connecting arms, the inner ends of the two connecting arms are respectively provided with a connecting shaft, and the connecting shafts are rotatably connected with the first earphone shell or the second earphone shell.

Preferably, the second connecting bracket comprises an outer bracket body and an inner bracket body, the outer bracket body and the inner bracket body are mutually covered, a second accommodating cavity is formed by mutually encircling the outer bracket body and the inner bracket body, and the lower end of the second adjusting belt can be accommodated in the second accommodating cavity and is detachably connected through a screw.

Preferably, a head patch connecting block is convexly arranged on the outer wall of the inner frame body, a pin shaft hole is vertically arranged on the head patch connecting block, a pin shaft is movably inserted in the pin shaft hole, and the upper end and the lower end of the pin shaft respectively extend out of the pin shaft hole; the head subsides comprise head subsides seats, a head subsides connecting groove is concavely arranged on the outer wall of one side of each head subsides seat, pin shaft positioning holes are respectively formed in the side walls of the upper side and the lower side of each head subsides connecting groove, each head subsides connecting block is movably installed in each head subsides connecting groove, and the upper end and the lower end of each pin shaft are respectively positioned in the corresponding pin shaft positioning holes.

Preferably, one side of the head patch connecting block facing the head patch is provided with two symmetrical first limiting planes, a first obtuse angle is arranged between the two first limiting planes, the bottom of the head patch connecting groove is provided with two symmetrical second limiting planes, a second obtuse angle is arranged between the two second limiting planes, and the angle of the second obtuse angle is larger than that of the first obtuse angle; the other side of the head patch seat is provided with a cushion block mounting groove, and a flexible head patch cushion block is arranged in the cushion block mounting groove.

The beneficial effects of the utility model are as follows: (1) Because the first end of the head band is connected with the first connecting bracket, the first connecting bracket is connected with the first earphone shell, the second end of the head band can be connected with the second connecting bracket or the third connecting bracket, the second connecting bracket is connected with the connector of the second connecting bracket, and the third connecting bracket is connected with the second earphone shell; therefore, when the headphone is required to be defined as a single-ear headphone, the second end of the headband is connected to the second connection bracket; when the headphone is required to be defined as a double-ear headphone, the second end of the head band is connected with the third connecting bracket; the second adjusting belt at the second end of the head hoop is detachably connected with the second connecting bracket or the third connecting bracket, and the second connecting bracket or the third connecting bracket can be assembled through simple disassembly and assembly work, so that the disassembly and the assembly are convenient; therefore, the utility model can realize the change and conversion between the single-ear type headphone and the double-ear type headphone, not only can meet the requirement of a customer service person, an operator and other staff on single-ear hearing of the headphone audio, but also can meet the requirement of a common user on double-ear hearing of the audio. (2) Because the first end of the head band is movably connected with the first adjusting band which can extend or retract, and the second end of the head band is movably connected with the second adjusting band which can extend or retract, the utility model can adjust the positions of the first connecting bracket and the first earphone shell through the extension or retraction of the first adjusting band, and can adjust the positions of the second connecting bracket and the head patch or adjust the positions of the third connecting bracket and the second earphone shell through the extension or retraction of the second adjusting band, thereby meeting users with various head types.

Drawings

Fig. 1 is a structural diagram of a headphone of the present utility model.

Fig. 2 is an overall structural diagram of the headset of the present utility model in a monaural mode.

Fig. 3 is an overall block diagram of the headset of the present utility model in binaural mode.

Fig. 4 is one of the dispersion structure diagrams of the headphone of the present utility model in the monaural mode.

Fig. 5 is a second block diagram of the dispersion structure of the headset of the present utility model in the monaural mode.

Fig. 6 is a dispersion structure diagram of the second connection bracket and the head rest.

Fig. 7 is one of the scatter block diagrams of the headphone of the present utility model in the binaural mode.

Fig. 8 is a second block diagram of the dispersion of the headset of the present utility model in binaural mode.

Fig. 9 is a partial enlarged view of a portion a in fig. 8.

Fig. 10 is one of the dispersion structure diagrams of the upper connection housing.

Fig. 11 is a second dispersion configuration diagram of the upper connection housing.

Detailed Description

The structural and operational principles of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 11, the present utility model is a headset capable of changing the wearing mode of a single ear and double ear, comprising a head band 1, a first connecting bracket 2, a second connecting bracket 3, a third connecting bracket 4, a first earphone housing 5, a second earphone housing 6 and a head patch 7; the first end of the head band 1 is movably connected with a first extensible or retractable adjusting belt 11, the lower end of the first adjusting belt 11 is detachably connected with a first connecting bracket 2, and the lower end of the first connecting bracket 2 is connected with a first earphone shell 5; the second end of the head band 1 is movably connected with a second adjusting belt 12 which can extend or retract, the lower end of the second adjusting belt 12 is detachably connected with a second connecting bracket 3 or a third connecting bracket 4, one side of the second connecting bracket 3 is connected with a head patch 7, and the lower end of the third connecting bracket 4 is connected with a second earphone shell 6. A first speaker 8 is mounted within the first earphone housing 5, and a second speaker 9 is mounted within the second earphone housing 6. When the headset is required to be defined as a single-ear headset, the second end of the head band 1 is connected with the second connecting bracket 3, and at the moment, the first end of the headset is the first headset shell 5, and the second end is the head patch 7; when the headphone is required to be defined as a double-ear headphone, the second end of the head band 1 is connected with the third connecting bracket 4, and at the moment, the first end of the headphone is a first headphone shell 5 and a second headphone shell 6; the second adjusting belt 12 at the second end of the head band 1 is detachably connected with the second connecting bracket 3 or the third connecting bracket 4, so that the second connecting bracket 3 or the third connecting bracket 4 can be assembled through simple disassembly and assembly work, and the disassembly and assembly are convenient; therefore, the utility model can realize the change and conversion between the single-ear type headphone and the double-ear type headphone, not only can meet the requirement of a customer service person, an operator and other staff on single-ear hearing of the headphone audio, but also can meet the requirement of a common user on double-ear hearing of the audio. The present utility model can adjust the positions of the first connection bracket 2 and the first earphone housing 5 by the extension or retraction of the first adjustment belt 11, and simultaneously can adjust the positions of the second connection bracket 3 and the head rest 7 or adjust the positions of the third connection bracket 4 and the second earphone housing 6 by the extension or retraction of the second adjustment belt 12, thereby satisfying users having various head shapes.

It should be noted that, the change and conversion between the monaural headset and the binaural headset may be completed by the factory end, and the factory end assembles the monaural headset or the binaural headset according to the user requirement, and then gives the monaural headset or the binaural headset to the user; the change and conversion between the single-ear type headphone and the double-ear type headphone can also be completed by a user end, and after all the components of the headphone are handed to an end user, the user can assemble and disassemble the headphone into the single-ear type headphone or the double-ear type headphone according to actual requirements.

As shown in fig. 1-5, 7 and 8, the headband 1 comprises an outer headband piece 13, an inner headband piece 14, a flexible gasket 15, a first positioning mechanism 16 and a second positioning mechanism 17; the inner head hoop sheet 14 is arranged on the inner side of the outer head hoop sheet 13, and the flexible gasket 15 covers the inner head hoop sheet 14; a first chute 131 is arranged at a first end between the inner head hoop sheet 14 and the outer head hoop sheet 13, the upper end of the first adjusting belt 11 is slidably accommodated in the first chute 131, a second chute 132 is arranged at a second end between the inner head hoop sheet 14 and the outer head hoop sheet 13, and the upper end of the second adjusting belt 12 is slidably accommodated in the second chute 132; the first positioning mechanism 16 is arranged at the first end of the outer head hoop sheet 13 and is used for positioning the first adjusting belt 11; the second positioning mechanism 17 is mounted to the second end of the outer headband tab 13 for positioning the second adjusting strap 12. The upper end of the first adjusting belt 11 is provided with a row of first positioning pits 111 at equal interval, the first positioning mechanism 16 comprises a first positioning shell 161 and a first positioning rod 162, the first positioning shell 161 is connected to the inner side of the first end part of the outer head hoop 13 through a screw, the inner wall of the first positioning shell 161 is provided with a first positioning rod mounting hole 163, one end of the first positioning rod 162 is mounted in the first positioning rod mounting hole 163, the other end of the first positioning rod 162 is provided with a first round head bulge, and the first round head bulge of the first positioning rod 162 can be clamped into any one of the first positioning pits 111; the upper end equidistant interval of second adjustment area 12 is equipped with a row of second locating pit 121, second positioning mechanism 17 includes second positioning shell 171 and second locating lever 172, second positioning shell 171 passes through screw connection in the second end tip inboard of outer first hoop piece 13, and the inner wall of second positioning shell 171 is equipped with second locating lever mounting hole 173, the one end of second locating lever 172 is installed in second locating lever mounting hole 173, the other end of second locating lever 172 is equipped with the second button head arch, the second button head arch of second locating lever 172 can block into arbitrary second locating pit 121.

As shown in fig. 1-5 and fig. 7-11, the first connecting bracket 2 and the third connecting bracket 4 respectively include an upper connecting housing 21 and a lower connecting bracket 22, and the upper connecting housing 21 includes an upper outer housing 211, an upper inner housing 212, a clamping block 213 and a flexible damping block 214; the upper outer shell 211 and the upper inner shell 212 are mutually covered, a first accommodating cavity 215 is mutually enclosed at the upper ends of the upper outer shell 211 and the upper inner shell 212, and the lower end of the first adjusting belt 11 or the second adjusting belt 12 can be accommodated in the first accommodating cavity 215 and is detachably connected through screws; the clamping blocks 213 and the flexible damping blocks 214 are opposite in position and are installed in the lower ends of the upper outer shell 211 and the upper inner shell 212 together, and bracket rod mounting holes 216 are formed between the clamping blocks 213 and the flexible damping blocks 214; the upper end of the lower connecting frame body 22 is connected with a support rod 221, the upper end of the support rod 221 is rotatably installed in the support rod installation hole 216, and the support rod 221 is in interference fit with the flexible damping block 214. This is to enable the lower connection frame 22 to rotate at the lower end of the upper connection housing 21 and to have a good rotation damping feeling, and further to enable the first earphone housing 5 and the second earphone housing 6 to rotate by an adjustment angle and to have a good rotation damping feeling.

As shown in fig. 1-5 and fig. 7-11, a first semicircular clamping hole 217 and a damping block mounting groove 218 are formed in the inner wall of the lower end of the upper housing 21, and the flexible damping block 214 is accommodated in the damping block mounting groove 218; the clamping block 213 is connected to the inner wall of the lower end of the upper housing 211 by a screw, a second semicircular clamping hole 219 is formed at the upper end of the clamping block 213, and the first semicircular clamping hole 217 and the second semicircular clamping hole 219 are matched with each other to form a circular clamping hole; the support rod 221 is a cylindrical support rod, an annular groove 222 is formed in the upper end of the support rod 221, the annular groove 222 is clamped in the circular clamping hole 221, and the diameter of the circular clamping hole is smaller than that of the support rod 221 but larger than that of the bottom of the annular groove 222. The upper end of the lower connecting frame body 22 is provided with a fan-shaped annular limiting block 223 in an upward protruding way, and the fan-shaped annular limiting block 223 is positioned at the outer side of the support frame rod 221; the bottom of the upper housing 21 is provided with a bracket rod through hole 210 and a fan-shaped limit groove 230 for movably inserting the bracket rod 223, and the fan-shaped limit groove 230 is positioned at the outer side of the through hole 210; the fan-shaped limiting block 223 is movably accommodated in the fan-shaped limiting groove 230, the central angle of the fan-shaped limiting block 223 is 45-90 degrees, and the central angle of the fan-shaped limiting groove 230 is 150-180 degrees. By providing the fan annular stopper 223 and the fan annular stopper groove 230, the rotation angle range of the lower connection frame body 22 can be limited, and the rotation angle ranges of the first earphone housing 5 and the second earphone housing 6 can be limited. Further, two connecting arms 224 are provided at the lower end of the lower connecting frame 22, and connecting shafts 225 are provided at the inner ends of the two connecting arms 224, respectively, and the connecting shafts 225 are rotatably connected with the first earphone housing 5 or the second earphone housing 6.

As shown in fig. 1, 2, and 4-6, the second connecting bracket 3 includes an outer frame 31 and an inner frame 32, the outer frame 31 and the inner frame 32 are covered with each other, the outer frame 31 and the inner frame 32 are surrounded with a second accommodating cavity 311, and the lower end of the second adjusting belt 12 can be accommodated in the second accommodating cavity 311 and detachably connected by a screw.

As shown in fig. 4-6, a head patch connecting block 321 is convexly arranged on the outer wall of the inner frame 32, a pin shaft hole 322 is vertically arranged on the head patch connecting block 321, a pin shaft 33 is movably inserted in the pin shaft hole 322, and the upper end and the lower end of the pin shaft 33 respectively extend out of the pin shaft hole 322; the head plaster 7 comprises a head plaster seat 71, a head plaster connecting groove 711 is concavely formed in the outer wall of one side of the head plaster seat 71, pin shaft positioning holes are respectively formed in the side walls of the upper side and the lower side of the head plaster connecting groove 711, the head plaster connecting block 321 is movably mounted in the head plaster connecting groove 711, and the upper end and the lower end of the pin shaft 33 are respectively positioned in the corresponding pin shaft positioning holes. The transverse position of the head rest 7 can be adjusted in this way to fit the human head. Further, the first limiting plane of the head patch connecting block 321 facing the head patch is provided with two symmetrical first limiting planes, a first obtuse angle is arranged between the two first limiting planes, the bottom of the head patch connecting groove 711 is provided with two symmetrical second limiting planes, a second obtuse angle is arranged between the two second limiting planes, and the angle of the second obtuse angle is larger than that of the first obtuse angle; this can limit the rotation angle range of the head rest 7; the other side of the head rest seat 71 is provided with a cushion block mounting groove 712, and a flexible head rest cushion block 72 is arranged in the cushion block mounting groove 712, so that the head rest has good wearing comfort.

In the foregoing, only the preferred embodiment of the present utility model is described, and any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical solutions of the present utility model fall within the scope of the technical solutions of the present utility model.

Claims (10)

1. A headset capable of changing the wearing mode of a pair of ears, which is characterized in that: the head band comprises a head band, a first connecting bracket, a second connecting bracket, a third connecting bracket, a first earphone shell, a second earphone shell and a head patch; the first end of the head hoop is movably connected with a first adjusting belt which can extend or retract, the lower end of the first adjusting belt is detachably connected with a first connecting bracket, and the lower end of the first connecting bracket is connected with a first earphone shell; the second end of the head hoop is movably connected with a second adjusting belt which can extend or retract, the lower end of the second adjusting belt is detachably connected with a second connecting bracket or a third connecting bracket, one side of the second connecting bracket is connected with the head patch, and the lower end of the third connecting bracket is connected with the second earphone shell; a first loudspeaker is arranged in the first earphone shell, and a second loudspeaker is arranged in the second earphone shell.

2. The changeable single-ear binaural wear headset of claim 1, wherein: the head hoop comprises an outer head hoop sheet, an inner head hoop sheet, a flexible gasket, a first positioning mechanism and a second positioning mechanism; the inner head hoop sheet is arranged on the inner side of the outer head hoop sheet, and the flexible gasket covers the inner head hoop sheet; a first chute is formed at a first end between the inner head hoop sheet and the outer head hoop sheet, the upper end of the first adjusting belt is slidably accommodated in the first chute, a second chute is formed at a second end between the inner head hoop sheet and the outer head hoop sheet, and the upper end of the second adjusting belt is slidably accommodated in the second chute; the first positioning mechanism is arranged at the first end of the outer head hoop sheet and is used for positioning the first adjusting belt; the second positioning mechanism is arranged at the second end of the outer head hoop sheet and is used for positioning the second adjusting belt.

3. The changeable single-ear binaural wear headset of claim 2, wherein: the upper end of the first adjusting belt is provided with a row of first positioning pits at equal interval, the first positioning mechanism comprises a first positioning shell and a first positioning rod, the first positioning shell is connected to the inner side of the first end part of the outer head hoop sheet through a screw, the inner wall of the first positioning shell is provided with a first positioning rod mounting hole, one end of the first positioning rod is mounted in the first positioning rod mounting hole, the other end of the first positioning rod is provided with a first round head bulge, and the first round head bulge of the first positioning rod can be clamped into any one of the first positioning pits; the upper end equidistant interval of second adjustment area is equipped with a row of second locating pit, second positioning mechanism includes second positioning shell and second locating lever, the second positioning shell passes through screw connection in the second end tip inboard of outer first hoop piece, and the inner wall of second positioning shell is equipped with second locating lever mounting hole, the one end of second locating lever is installed in second locating lever mounting hole, the other end of second locating lever is equipped with the second button head arch, the second button head arch of second locating lever can block into in arbitrary second locating pit.

4. The changeable single-ear binaural wear headset of claim 1, wherein: the first connecting bracket and the third connecting bracket respectively comprise an upper connecting shell and a lower connecting frame body, and the upper connecting shell comprises an upper outer shell, an upper inner shell, a clamping block and a flexible damping block; the upper outer shell and the upper inner shell are mutually covered, a first accommodating cavity is formed by surrounding the upper ends of the upper outer shell and the upper inner shell, and the lower end of the first adjusting belt or the lower end of the second adjusting belt can be accommodated in the first accommodating cavity and is detachably connected through a screw; the clamping blocks and the flexible damping blocks are opposite in position and are installed in the lower ends of the upper outer shell and the upper inner shell together, and bracket rod mounting holes are formed between the clamping blocks and the flexible damping blocks; the upper end of the lower connecting frame body is connected with a support rod, the upper end of the support rod is rotatably arranged in the support rod mounting hole, and the support rod is in interference fit with the flexible damping block.

5. The changeable single-ear binaural wear headset of claim 4, wherein: the inner wall of the lower end of the upper shell is provided with a first semicircular clamping hole and a damping block mounting groove, and the flexible damping block is accommodated in the damping block mounting groove; the clamping block is connected to the inner wall of the lower end of the upper shell through a screw, a second semicircular clamping hole is formed in the upper end of the clamping block, and the first semicircular clamping hole and the second semicircular clamping hole are matched with each other to form a circular clamping hole; the bracket rod is a cylindrical bracket rod, an annular groove is formed in the upper end of the bracket rod, the annular groove is clamped in the circular clamping hole, and the diameter of the circular clamping hole is smaller than that of the bracket rod but larger than that of the bottom of the annular groove.

6. The changeable single-ear binaural wear headset of claim 5, wherein: the upper end of the lower connecting frame body is provided with a fan-shaped annular limiting block in an upward protruding mode, and the fan-shaped annular limiting block is positioned on the outer side of the support frame rod; the bottom of the upper shell is provided with a bracket rod through hole and a fan-shaped annular limiting groove for movably inserting the bracket rod, and the fan-shaped annular limiting groove is positioned at the outer side of the through hole; the fan-shaped limiting block is movably accommodated in the fan-shaped limiting groove, the central angle of the fan-shaped limiting block is 45-90 degrees, and the central angle of the fan-shaped limiting groove is 150-180 degrees.

7. The changeable single-ear binaural wear headset of claim 5, wherein: the lower end of the lower connecting frame body is provided with two connecting arms, the inner ends of the two connecting arms are respectively provided with a connecting shaft, and the connecting shafts are rotatably connected with the first earphone shell or the second earphone shell.

8. The changeable single-ear binaural wear headset of claim 1, wherein: the second connecting support comprises an outer support body and an inner support body, the outer support body and the inner support body are mutually covered, a second accommodating cavity is formed in the outer support body and the inner support body in a surrounding mode, and the lower end of the second adjusting belt can be accommodated in the second accommodating cavity and is detachably connected through screws.

9. The changeable single-ear binaural wear headset of claim 8, wherein: a head patch connecting block is convexly arranged on the outer wall of the inner frame body, a pin shaft hole is vertically arranged on the head patch connecting block, a pin shaft is movably inserted in the pin shaft hole, and the upper end and the lower end of the pin shaft respectively extend out of the pin shaft hole; the head subsides comprise head subsides seats, a head subsides connecting groove is concavely arranged on the outer wall of one side of each head subsides seat, pin shaft positioning holes are respectively formed in the side walls of the upper side and the lower side of each head subsides connecting groove, each head subsides connecting block is movably installed in each head subsides connecting groove, and the upper end and the lower end of each pin shaft are respectively positioned in the corresponding pin shaft positioning holes.

10. The changeable single-ear binaural wear headset of claim 1, wherein: the head plaster connecting block comprises a head plaster connecting block, a head plaster connecting groove, a head plaster connecting plate and a head plaster connecting plate, wherein one side of the head plaster connecting block facing the head plaster is provided with two symmetrical first limiting planes, a first obtuse angle is arranged between the two first limiting planes, the bottom of the head plaster connecting groove is provided with two symmetrical second limiting planes, a second obtuse angle is arranged between the two second limiting planes, and the angle of the second obtuse angle is larger than that of the first obtuse angle; the other side of the head patch seat is provided with a cushion block mounting groove, and a flexible head patch cushion block is arranged in the cushion block mounting groove.