CN215647273U - Wireless audio equipment that comfort level is high - Google Patents

Wireless audio equipment that comfort level is high Download PDF

Info

Publication number
CN215647273U
CN215647273U CN202121744225.XU CN202121744225U CN215647273U CN 215647273 U CN215647273 U CN 215647273U CN 202121744225 U CN202121744225 U CN 202121744225U CN 215647273 U CN215647273 U CN 215647273U
Authority
CN
China
Prior art keywords
control unit
shaped
sweat
wireless audio
comfort level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121744225.XU
Other languages
Chinese (zh)
Inventor
姜爱洲
张尧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mecan Photoelectricity Technology Co ltd
Original Assignee
Shenzhen Mecan Photoelectricity Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Mecan Photoelectricity Technology Co ltd filed Critical Shenzhen Mecan Photoelectricity Technology Co ltd
Priority to CN202121744225.XU priority Critical patent/CN215647273U/en
Application granted granted Critical
Publication of CN215647273U publication Critical patent/CN215647273U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Headphones And Earphones (AREA)

Abstract

The application provides a wireless audio equipment that comfort level is high, including two the control unit, the rear side of two the control unit tip has same bandeau, and the front side of two the control unit tip all is connected with sound generating unit, and two the control unit's opposite side all is provided with heat dissipation mechanism, and the inboard top of bandeau is provided with the sweat-absorbing mechanism that is used for the sweat-absorbing. This application is through setting up sweat-absorbing mechanism, make the bandeau cover when people's neck position, the part that the sponge strip stretches out the spout can adsorb the sweat of bandeau and neck contact position, reduce the uncomfortable sense that causes because of the viscidity of sweat, and through promoting the T-shaped piece, make the T-shaped piece can slide in the inside of T-shaped groove, connecting block and gyro wheel can slide in the inside of spout, through the extrusion of gyro wheel to the sponge strip, make the inside that adsorbed sweat can discharge spout and T-shaped groove on the sponge strip, make the sponge strip can recycle.

Description

Wireless audio equipment that comfort level is high
Technical Field
The utility model relates to the field of wireless audio equipment, in particular to wireless audio equipment with high comfort level.
Background
The wireless earphone is characterized in that the middle line is replaced by electric waves, the middle line is connected to the transmitting end from the audio outlet of the computer, the transmitting end sends the electric waves to the earphone of the receiving end, the receiving end is equivalent to a radio, compared with the wired earphone, the wireless earphone is not large in sound quality difference, the wireless earphone is convenient to use, the middle line is replaced by the electric waves, and the wireless earphone is divided into three parts: the first part is a sound source, the second part is a receiver, and the third part is an earphone part, wherein the function of the first part is mainly to convert signals transmitted by a mobile phone or the receiver into sound and transmit the sound to the ears of a person.
The wireless audio equipment of commonly used has wireless earphone and wireless stereo set, and at present, most wireless earphones are the hanging wireless earphone of head more, can hang brothers neck department when not using, and convenience very, but in hot summer, ambient temperature is high, and people's neck department is easy sweat, and the bandeau when wireless earphone is put and is made people produce sticky sense easily with the sweat contact when neck department, and the travelling comfort is poor. We have therefore improved this and have proposed a wireless audio device with high comfort.
Disclosure of Invention
The utility model aims to: aiming at the existing hot summer, the environment temperature is high, people's neck is easy to sweat, when the headband on the wireless earphone is placed at the neck, the headband makes people easily feel sticky by contacting with sweat, and the comfort is poor.
In order to achieve the above purpose, the utility model provides the following technical scheme:
wireless audio equipment with high comfort level is provided to improve the above problems.
The present application is specifically such that:
the utility model provides a wireless audio equipment that comfort level is high, includes two the rear side of the control unit tip has same bandeau, two the front side of the control unit tip all is connected with sound generating unit, two the opposite side of the control unit all is provided with heat dissipation mechanism, the inboard top of bandeau is provided with the sweat-absorbing mechanism that is used for the sweat-absorbing.
As the preferred technical scheme of this application, the control unit specifically is an audio controller, the sound generating unit specifically is a bluetooth headset.
As the preferred technical scheme of this application, heat dissipation mechanism is including seting up the circular slot at the control unit one side middle part, the inside cover of circular slot is equipped with the carousel, the middle part of carousel one side is connected with the pivot, the tip of pivot runs through and extends to the control unit's inside and is connected with the runner, four first arc walls and four second arc walls have evenly been seted up to the outer wall of runner, and four first arc walls and second arc walls are crisscross distribution on the runner.
As a preferred technical scheme, the heat dissipation mechanism also comprises four fixed blocks which are arranged at the top of the inner cavity of the control unit and are respectively positioned at four corners of the rotating wheel and two movable frames which are arranged at the top of the inner cavity of the control unit and are respectively positioned at two sides of the rotating wheel, one side of each of the four fixed blocks is connected with a telescopic rod, the end parts of the four telescopic rods are respectively connected with two ends of one side of the two movable frames, springs are sleeved outside the four telescopic rods, one ends of the four springs are respectively connected with one side of the four fixed blocks, the other ends of the four springs are respectively connected with two ends of one side of the two movable frames, two rectangular grooves are respectively arranged in the middle parts of the two movable frames, a plurality of heat dissipation holes corresponding to the four rectangular grooves are respectively arranged in the middle parts of the side edges of the control unit, and connecting pieces are respectively connected in the middle parts of the opposite sides of the two movable frames, the end of the connecting piece is hemispherical.
As the preferred technical scheme of this application, sweat-absorbing mechanism is including seting up the T-slot at the inboard top of bandeau, the spout has been seted up at the top in T-slot, the inside cover of spout is equipped with the sponge strip that is used for adsorbing sweat, the inside sliding connection in T-slot has the T-shaped piece, the middle part on T-shaped piece top is connected with the connecting block, the both sides of connecting block all are connected with the gyro wheel that is used for pressing the sponge strip through the bearing.
As the preferred technical scheme of this application, the both sides of T-shaped piece top and bottom all articulate there is the fly leaf, the both sides of fly leaf one end all are equipped with a plurality of balls, the both sides of the fly leaf other end all are connected with a plurality of V-arrangement shell fragments, the other end of V-arrangement shell fragment is connected with the one end of T-shaped piece.
Compared with the prior art, the utility model has the beneficial effects that:
in the scheme of the application:
1. by arranging the sweat absorbing mechanism, when the headband is sleeved on the neck of a person, the part of the sponge strip extending out of the sliding groove can absorb sweat at the contact position of the headband and the neck, discomfort caused by the viscosity of the sweat is reduced, the T-shaped block can slide in the T-shaped groove by pushing the T-shaped block, the connecting block and the roller can slide in the sliding groove, and the sweat absorbed on the sponge strip can be discharged out of the sliding groove and the T-shaped groove by extruding the sponge strip by the roller, so that the sponge strip can be recycled;
2. through setting up heat dissipation mechanism, make people can rotate the carousel, the carousel drives pivot and runner rotation, make second arc wall and connecting piece separation, connecting piece and adjustable shelf can remove under the effect of spring, the dislocation takes place for rectangular channel and louvre, make the air can get into the inside of the control unit through the louvre, dispel the heat to the inside electrical component of the control unit, and when need not dispel the heat, the adjustable shelf can remove the shutoff louvre, reduce the entering of dust, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic structural diagram of a high-comfort wireless audio device provided by the present application;
fig. 2 is a schematic cross-sectional view of a headband of a high-comfort wireless audio device according to the present application;
FIG. 3 is a side cross-sectional structural view of a headband of a high comfort wireless audio device according to the present application;
fig. 4 is a schematic perspective view of a T-shaped block of a high-comfort wireless audio device according to the present application;
fig. 5 is a schematic side view of a control unit of a high-comfort wireless audio device according to the present application;
fig. 6 is a schematic cross-sectional structural diagram of a control unit of a comfort-enhanced wireless audio device provided by the present application;
fig. 7 is a schematic cross-sectional structural diagram of a turning wheel of a high-comfort wireless audio device provided by the present application.
The following are marked in the figure:
1. a control unit;
2. a headband;
3. a sound emitting unit;
4. a sweat absorbing mechanism; 401. a chute; 402. a T-shaped slot; 403. a sponge strip; 404. a T-shaped block; 405. connecting blocks; 406. a roller; 407. a movable plate; 408. a ball bearing; 409. a V-shaped spring plate;
5. a heat dissipation mechanism; 501. a circular groove; 502. a turntable; 503. a rotating shaft; 504. a rotating wheel; 505. a first arc-shaped slot; 506. a second arc-shaped slot; 507. a fixed block; 508. a telescopic rod; 509. a spring; 510. a movable frame; 511. a rectangular groove; 512. heat dissipation holes; 513. a connecting member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the present embodiment provides a wireless audio device with high comfort, which includes two control units 1, wherein the same headband 2 is provided at the rear side of the end portions of the two control units 1, the front sides of the end portions of the two control units 1 are both connected with a sound generating unit 3, the opposite sides of the two control units 1 are both provided with a heat dissipation mechanism 5, and the top portion of the inner side of the headband 2 is provided with a sweat absorbing mechanism 4 for absorbing sweat.
As shown in fig. 1, as a preferred embodiment, on the basis of the above manner, further, the control unit 1 is specifically an audio controller, and the sound generating unit 3 is specifically a bluetooth headset.
As shown in fig. 1, 5, 6, and 7, as a preferred embodiment, on the basis of the foregoing manner, further, the heat dissipation mechanism 5 includes a circular groove 501 provided in the middle of one side of the control unit 1, a rotating plate 502 is sleeved inside the circular groove 501, a rotating shaft 503 is connected to the middle of one side of the rotating plate 502, an end of the rotating shaft 503 penetrates and extends into the control unit 1 and is connected with a rotating wheel 504, four first arc-shaped grooves 505 and four second arc-shaped grooves 506 are uniformly provided on an outer wall of the rotating wheel 504, and the four first arc-shaped grooves 505 and the four second arc-shaped grooves 506 are distributed on the rotating wheel 504 in a staggered manner.
As shown in fig. 1, 5, 6 and 7, as a preferred embodiment, based on the above-mentioned manner, further, the heat dissipation mechanism 5 further includes four fixed blocks 507 disposed at the top of the inner cavity of the control unit 1 and respectively located at four corners of the rotating wheel 504, and two movable frames 510 disposed at the top of the inner cavity of the control unit 1 and respectively located at two sides of the rotating wheel 504, one side of each fixed block 507 is connected with a telescopic rod 508, the end portions of the four telescopic rods 508 are respectively connected with two ends of one side of the two movable frames 510, the outer portions of the four telescopic rods 508 are respectively sleeved with springs 509, one ends of the four springs 509 are respectively connected with one side of the four fixed blocks 507, the other ends of the four springs 509 are respectively connected with two ends of one side of the two movable frames 510, the middle portions of the two movable frames 510 are respectively provided with two rectangular grooves 511, the middle portions of the sides of the control unit 1 are respectively provided with a plurality of heat dissipation holes 512 corresponding to the four rectangular grooves 511, the middle parts of the opposite sides of the two movable frames 510 are connected with a connecting piece 513, the end parts of the connecting piece 513 are hemispherical, and through the four first arc-shaped grooves 505 and the four second arc-shaped grooves 506 which are distributed in a staggered manner on the rotating wheel 504, when people rotate the rotating disc 502, the rotating shaft 503 and the second arc-shaped grooves 506 can rotate along with the rotating wheel, further, when the connecting piece 513 is contacted with the inside of the first arc-shaped grooves 505, the rotating wheel 504 can push the connecting piece 513 and the movable frames 510 to move, and after the connecting piece 513 is inserted into the inside of the second arc-shaped grooves 506, the rectangular grooves 511 and the heat dissipation holes 512 can be staggered, the heat dissipation holes 512 are blocked by the movable frames 510, so that air is difficult to enter the inside of the control unit 1, the entering of dust is reduced, when heat dissipation is needed, the second arc-shaped grooves 506 and the connecting piece 513 can be separated by rotating the rotating disc 502, the connecting piece 513 and the movable frames 510 can move under the action of the springs 509, and the rectangular grooves 511 and the heat dissipation holes 512 are staggered, make the air can get into the inside of the control unit 1 through louvre 512, dispel the heat to the inside electric elements of the control unit 1, through spring 509, when making 513 separate with second arc-shaped groove 506, spring 509 can promote the removal of movable frame 510, makes rectangular groove 511 misplace with louvre 512, and then makes the air can get into the inside of the control unit 1 through louvre 512.
As shown in fig. 1, 2, 3 and 4, as a preferred embodiment, on the basis of the above manner, further, the sweat absorbing mechanism 4 includes a T-shaped groove 402 formed at the top of the inner side of the headband 2, a sliding groove 401 is formed at the top of the T-shaped groove 402, a sponge strip 403 for absorbing sweat is sleeved inside the sliding groove 401, a T-shaped block 404 is slidably connected inside the T-shaped groove 402, a connecting block 405 is connected to the middle of the top end of the T-shaped block 404, rollers 406 for pressing and covering the sponge strip 403 are connected to both sides of the connecting block 405 through bearings, by providing the sweat absorbing mechanism 4, when the headband 2 is sleeved at the position of the neck of a person, the part of the sponge strip extending out of the sliding groove 401 can absorb sweat at the position where the headband 2 contacts with the neck, discomfort caused by the viscosity of the sweat is reduced, and by pushing the T-shaped block 404, the T-shaped block 404 can slide inside the T-shaped groove 402, the connecting block 405 and the roller 406 can slide in the sliding groove 401, and sweat adsorbed on the sponge strips 403 can be discharged out of the sliding groove 401 and the T-shaped groove 402 by the extrusion of the roller 406 on the sponge strips 403, so that the sponge strips 403 can be reused.
As shown in fig. 1, 2, 3 and 4, as a preferred embodiment, on the basis of the above manner, further, both sides of the top end and the bottom end of the T-shaped block 404 are hinged with a movable plate 407, both sides of one end of the movable plate 407 are sleeved with a plurality of balls 408, both sides of the other end of the movable plate 407 are connected with a plurality of V-shaped elastic pieces 409, the other end of the V-shaped elastic pieces 409 is connected with one end of the T-shaped block 404, through the cooperation of the movable plate 407, the V-shaped spring 409 and the ball 408, during the movement of the T-block 404 in the curved T-shaped slot 402, the balls 408 have less friction when they contact the inner wall of the T-shaped groove 402, slide more easily, and along with the deepening of the bending degree of the T-shaped groove 402, the movable plate 407 can rotate to compress the V-shaped elastic sheet 409, so that the originally parallel movable plate 407 gradually inclines, and the situation that the T-shaped block 404 is clamped in the T-shaped groove 402 and cannot move is prevented.
Specifically, this wireless audio equipment that comfort level is high is at during operation/when using: through the four first arc-shaped grooves 505 and the four second arc-shaped grooves 506 which are distributed on the rotating wheel 504 in a staggered manner, when people rotate the rotating disc 502, the rotating shaft 503 and the second arc-shaped grooves 506 can rotate along with the rotating shaft, further, when the connecting piece 513 is in contact with the inside of the first arc-shaped grooves 505, the rotating wheel 504 can push the connecting piece 513 and the movable frame 510 to move, and after the connecting piece 513 is inserted into the inside of the second arc-shaped grooves 506, the rectangular groove 511 and the heat dissipation holes 512 can be staggered, the movable frame 510 blocks the heat dissipation holes 512, so that air is not easy to enter the inside of the control unit 1, the dust is reduced, when heat dissipation is needed, the rotating disc 502 can be used for separating the second arc-shaped grooves 506 from the connecting piece 513, the 513 and the movable frame 510 can move under the action of the spring 509, the rectangular groove 511 and the heat dissipation holes 512 are staggered, so that the air can enter the inside of the control unit 1 through the heat dissipation holes 512, and the electric elements in the control unit 1 are dissipated, when people wear the sounding unit 3 on the neck, the part of the sponge strip 403 extending out of the sliding groove 401 can absorb sweat at the contact position of the headband 2 and the neck, and reduce discomfort caused by the viscosity of the sweat, when the sweat on the sponge strip 403 needs to be squeezed out, the T-shaped block 404 can slide in the T-shaped groove 402 by repeatedly moving the T-shaped block 404, the connecting block 405 and the roller 406 can slide in the sliding groove 401, the sweat absorbed on the sponge strip 403 can be discharged out of the sliding groove 401 and the T-shaped groove 402 by squeezing the roller 406 on the sponge strip 403, and in the process that the T-shaped block 404 moves in the curved T-shaped groove 402, the friction force when the ball 408 contacts with the inner wall of the T-shaped groove 402 is small, the T-shaped groove 402 is easy to slide, and the movable plate 407 can rotate along with the deepening of the bending degree of the T-shaped groove 402, the V-shaped elastic sheet is compressed, and the movable plate 409 which is parallel originally is gradually inclined, the T-shaped block 404 is prevented from being blocked inside the T-shaped groove 402 and being unable to move.
The above embodiments are only used for illustrating the utility model and not for limiting the technical solutions described in the utility model, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims (6)

1. The utility model provides a wireless audio equipment that comfort level is high, includes two the rear side of control unit (1) tip has same bandeau (2), two the front side of control unit (1) tip all is connected with sound generating unit (3), its characterized in that, two the opposite side of control unit (1) all is provided with heat dissipation mechanism (5), the top of bandeau (2) inboard is provided with sweat-absorbing mechanism (4) that are used for the sweat-absorbing.
2. A comfortable wireless audio device according to claim 1, characterized in that the control unit (1) is an audio controller and the sound generating unit (3) is a bluetooth headset.
3. The wireless audio device with high comfort level according to claim 1, wherein the heat dissipation mechanism (5) comprises a circular groove (501) formed in the middle of one side of the control unit (1), a rotating disc (502) is sleeved inside the circular groove (501), a rotating shaft (503) is connected to the middle of one side of the rotating disc (502), the end of the rotating shaft (503) penetrates through and extends into the control unit (1) and is connected with a rotating wheel (504), four first arc-shaped grooves (505) and four second arc-shaped grooves (506) are uniformly formed in the outer wall of the rotating wheel (504), and the four first arc-shaped grooves (505) and the four second arc-shaped grooves (506) are distributed on the rotating wheel (504) in a staggered manner.
4. The wireless audio device with high comfort level according to claim 3, wherein the heat dissipation mechanism (5) further comprises four fixed blocks (507) disposed at the top of the inner cavity of the control unit (1) and respectively located at four corners of the rotating wheel (504) and two movable frames (510) disposed at the top of the inner cavity of the control unit (1) and respectively located at two sides of the rotating wheel (504), one side of each of the four fixed blocks (507) is connected with a telescopic rod (508), the end portions of the four telescopic rods (508) are respectively connected with two ends of one side of the two movable frames (510), springs (509) are respectively sleeved outside the four telescopic rods (508), one end of each of the four springs (509) is respectively connected with one side of the four fixed blocks (507), the other end of each of the four springs (509) is respectively connected with two ends of one side of the two movable frames (510), two rectangular channels (511) have all been seted up at the middle part of two adjustable shelf (510), a plurality of louvres (512) corresponding with four rectangular channels (511) have all been seted up at the middle part of control unit (1) side, two the middle part of adjustable shelf (510) opposite side all is connected with connecting piece (513), the tip of connecting piece (513) is hemispherical.
5. The wireless audio device with high comfort level according to claim 4, wherein the sweat absorbing mechanism (4) comprises a T-shaped groove (402) formed in the top of the inner side of the headband (2), a sliding groove (401) is formed in the top of the T-shaped groove (402), a sponge strip (403) used for absorbing sweat is sleeved inside the sliding groove (401), a T-shaped block (404) is connected inside the T-shaped groove (402) in a sliding mode, a connecting block (405) is connected to the middle of the top end of the T-shaped block (404), and rollers (406) used for pressing the sponge strip (403) are connected to two sides of the connecting block (405) through bearings.
6. The wireless audio device with high comfort level according to claim 5, wherein the two sides of the top end and the bottom end of the T-shaped block (404) are hinged to movable plates (407), the two sides of one end of each movable plate (407) are sleeved with a plurality of balls (408), the two sides of the other end of each movable plate (407) are connected with a plurality of V-shaped elastic pieces (409), and the other end of each V-shaped elastic piece (409) is connected with one end of the T-shaped block (404).
CN202121744225.XU 2021-07-29 2021-07-29 Wireless audio equipment that comfort level is high Active CN215647273U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121744225.XU CN215647273U (en) 2021-07-29 2021-07-29 Wireless audio equipment that comfort level is high

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121744225.XU CN215647273U (en) 2021-07-29 2021-07-29 Wireless audio equipment that comfort level is high

Publications (1)

Publication Number Publication Date
CN215647273U true CN215647273U (en) 2022-01-25

Family

ID=79893317

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121744225.XU Active CN215647273U (en) 2021-07-29 2021-07-29 Wireless audio equipment that comfort level is high

Country Status (1)

Country Link
CN (1) CN215647273U (en)

Similar Documents

Publication Publication Date Title
CN215647273U (en) Wireless audio equipment that comfort level is high
CN210488128U (en) Multifunctional information communication helmet supporting VR
CN209642907U (en) A kind of fixed device of computer stereo
CN210053545U (en) Adjustable single earplug type sports Bluetooth headset
CN208474889U (en) A kind of multiple shaft lifting Flat computer support frame
CN206819738U (en) A kind of portable old walkman
CN206039045U (en) Structure is worn to scalable VR glasses
CN216362338U (en) 5G transmission router for broadcast television engineering
CN209419800U (en) A kind of dual-purpose type headphone
CN114355614A (en) Automatic adjust virtual reality glasses of comfort level
CN210298078U (en) Hearing aid capable of adjusting size of earplug head
CN210183502U (en) Anti-drop's headphone structure
CN205213016U (en) Headset
CN215818372U (en) Fixing device of intelligence video conference terminal
CN209824221U (en) Electronic communication equipment protecting sheathing
CN112235884B (en) Fire-retardant electric tracing area of fire control
CN213846985U (en) Comfortable wireless radio frequency earphone wears
CN215813561U (en) VR head-mounted apparatus casing of convenient assembly
CN218998249U (en) Digital wireless earphone
CN219493557U (en) Set top box bracket
CN218336442U (en) Pneumatic clamp for earphone cap mold
CN216527084U (en) Computer anti-fatigue keyboard
CN217181345U (en) Virtual reality device is used in teaching based on virtual reality
CN219780358U (en) Anti-drop's wireless bluetooth headset
CN212307334U (en) Intelligent furniture convenient to transport is adjusted

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant