CN116996798A

CN116996798A - Outdoor portable stereo set

Info

Publication number: CN116996798A
Application number: CN202311249902.4A
Authority: CN
Inventors: 张朝文
Original assignee: Shenzhen Hanhong Digital Technology Co ltd
Current assignee: Shenzhen Hanhong Digital Technology Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2023-11-03
Anticipated expiration: 2043-09-26
Also published as: CN116996798B

Abstract

The invention discloses an outdoor portable sound box, which relates to the technical field of outdoor sound boxes, and solves the problems that when the sound box is placed on a table and a chair, a roller at the bottom of the sound box is contacted with a table top, so that the contact surface between the sound box and the table top is small, the gravity center of the sound box placed on the table top can rise, and when a person touches the table and the chair by mistake, the sound box is extremely easy to fall from the table and the chair; according to the invention, the electric push rod and the telescopic rod are arranged, so that the height of the sound main body can be increased, the contact surface of the sound main body on the ground can be increased, the displacement of the protective box through the roller can be effectively avoided when the sound main body is used, the stability of the sound main body in use is further enhanced, the inclined support structure can be stored to the side edge of the protective box through the installation of the reset component, and the occupied area of the inclined support structure can be effectively reduced.

Description

Outdoor portable stereo set

Technical Field

The invention relates to the technical field of outdoor sound equipment, in particular to an outdoor portable sound equipment.

Background

The sound is a simplified daily word, and is a short name of a sound system. I.e. refers to a complete set of devices that can play back audio signals. Sound systems continue to improve and perfect with the needs of people. As large as meeting the field sound expansion requirement of tens of thousands of people singing parties and as small as meeting the requirement of playing musical instruments and K songs in individual families.

The existing outdoor sound equipment is small in size design for convenient carrying, the height of the outdoor sound equipment is low, in the practical use process, in order to enable sound of the sound equipment to be transmitted farther, the sound equipment can be placed on a table and a chair, the height of the sound equipment is increased so that the sound transmission distance of the sound equipment is farther, but when the sound equipment is placed on the table and the chair, the roller at the bottom of the sound equipment is in contact with a table top, the contact surface of the sound equipment and the table top is small, the gravity center of the sound equipment placed on the table top can be raised, and when a person touches the table and the chair by mistake, the sound equipment is very easy to fall from the table and the chair.

Disclosure of Invention

The present invention is directed to an outdoor portable audio device capable of enhancing the stability of the audio device, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides an outdoor portable stereo set, includes the stereo set main part, the stereo set main part is accomodate in the inside of protective housing, the top fixed mounting of stereo set main part has the top cap, the lower extreme four corners department fixed mounting of stereo set main part has the truckle structure, the outside of stereo set main part is located the inside of protective housing is installed electric putter and telescopic link respectively, electric putter install in the rear side of stereo set main part, the telescopic link install in the left and right sides of stereo set main part, just electric putter with the both ends of telescopic link respectively with the protective housing with top cap fixed connection, the inside activity of protective housing has inlayed the bottom plate that can reciprocate, a plurality of groups of second springs are installed to the lower extreme array of bottom plate; the bracing structure is used for supporting the protective box and enhancing stability when the sound main body is used, the bracing structure is arranged on the outer side of the protective box, an inflatable structure is arranged between the bracing structure and the telescopic rod, and a reset assembly is arranged between the bracing structure and the bottom plate.

Preferably, the diagonal bracing structure is including rotating install in the sleeve plate in the protective housing outside, and the protective housing can protect it when removing the stereo set main part, the lower extreme activity of sleeve plate inlays has telescopic interior panel, interior panel is located the inside one end fixedly connected with rectangle piston of sleeve plate, just rectangle piston with the inner wall activity laminating of sleeve plate, the outside of protective housing corresponds sleeve plate department fixed mounting has spacing free bearing.

Preferably, the sleeve plate is rotationally connected with the limiting hinged support through a connecting shaft, the limiting hinged support can limit the rotation angle of the sleeve plate, two ends of the connecting shaft are positioned in the limiting hinged support, a coil spring is fixedly sleeved in the limiting hinged support, the outer side end of the coil spring is fixedly connected with the limiting hinged support, a first spring is arranged on the lower side of the sleeve plate and the lower side of the inner panel, and two ends of the first spring are respectively fixedly connected with the sleeve plate and the inner panel through positioning seats.

Preferably, the inflatable structure comprises a sleeve fixedly mounted on the inner wall of the protective box, the sleeve is close to the telescopic rod, a round piston capable of moving up and down is mounted in the sleeve, the round piston is movably attached to the inner wall of the sleeve, a bending rod is fixedly embedded at the lower end of the round piston, one end of the bending rod, which is far away from the round piston, is fixedly connected with a second-section pipe of the telescopic rod, the bending rod is in sliding connection with a first-section pipe of the telescopic rod through a limiting straight groove, a main pipe communicated with the main pipe is fixedly mounted on the outer side of the sleeve, two auxiliary pipes communicated with the main pipe are fixedly connected with the main pipe, the two auxiliary pipes are respectively connected with two sleeve plates, and the round piston moves up inside the sleeve to squeeze gas inside the sleeve into the two sleeve plates.

Preferably, the reset assembly comprises a push rod movably connected with the sleeve plate, the push rod moves upwards to drive the sleeve plate to rotate to a vertical state, a sleeve frame is fixedly connected with the lower end of the push rod, a disc is movably connected with one side of the sleeve frame away from the sleeve plate in a butt joint mode, the disc is rotatably connected with the protective box through a shaft rod, a driving pin is fixedly embedded in one side of the disc, which is close to the sleeve frame, and the sleeve frame is movably sleeved on the outer side of the driving pin.

Preferably, the internally mounted of ejector pin has two spacing wheels that are symmetrical distribution, and spacing wheel can carry out spacingly to the ejector pin, avoids the ejector pin to rotate, just spacing wheel with connected mode between the protective housing is fixed connection, spacing wheel pass through spacing straight flute with ejector pin roll connection, the disc is kept away from one side of ejector pin is fixed to be inlayed with the protruding pole, just the driving pin with the protruding pole all deviates from the centre of a circle of disc, the outside fixed mounting of protruding pole has arc spring one, just arc spring one keep away from the one end of protruding pole with protective housing fixed connection, the bottom plate moves down and can support protruding pole drive disc rotation.

Preferably, the caster structure comprises a roller wheel in contact with the ground, a supporting frame is arranged on the outer side of the roller wheel, the supporting frame is connected with the roller wheel in a rotating manner, a round pipe is fixedly embedded in the center of the upper end of the supporting frame, a positioning ring is fixedly arranged on the outer side of the round pipe at the lower end of the protective box, the round pipe is rotationally connected with the positioning ring through a bearing, and the bearing can reduce friction between the round pipe and the positioning ring.

Preferably, a connecting component is installed between the roller and the diagonal bracing structures positioned on the left side and the right side of the protective box, the connecting component comprises a rubber block which is in movable butt joint with the roller, the rubber block props against the roller to brake the roller, the upper end of the rubber block is fixedly connected with a connecting seat, a scissor type expansion bracket is hinged on the connecting seat, the inner part of the protective box corresponds to the scissor type expansion bracket, a positioning shaft is installed at the scissor type expansion bracket, the scissor type expansion bracket is movably hinged with the positioning shaft, two arc springs II are fixedly installed on the outer side of the opening end of the scissor type expansion bracket, and the arc springs II are far away from one end of the scissor type expansion bracket and are fixedly connected with the protective box.

Preferably, the open end fixedly connected with two vice ropes of scissors formula expansion bracket, two the upper end fixedly connected with main rope of vice rope, guide pulley one and guide pulley two are installed respectively in the outside of main rope, just guide pulley one with the connected mode between the protective housing is rotated and is connected, and guide pulley one can reduce the frictional force between main rope and the protective housing, the connected mode between guide pulley two and the bushing is rotated and is connected, the main rope is kept away from the one end fixedly connected with connecting block of vice rope.

Preferably, one side of the connecting block, which is close to the sleeve plate, is fixedly provided with a T-shaped clamping block, the connecting block is in sliding connection with the sleeve plate through the T-shaped clamping block, the outer side of the inner panel corresponds to the T-shaped clamping block, a jacking block is fixedly provided with a jacking block, the jacking block is movably abutted with the T-shaped clamping block, the outer side of the second guide wheel is provided with an anti-drop cover, the anti-drop cover is fixedly connected with the sleeve plate, the main rope can be prevented from being separated from the second guide wheel by the anti-drop cover, and the second guide wheel is in rotary connection with the anti-drop cover.

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

1. according to the invention, the electric push rod and the telescopic rod are arranged, so that the height of the sound main body can be increased, the sound of the sound can be transmitted farther, the inflatable structure and the inclined strut structure are arranged, the inclined strut structure can be driven to be unfolded through the inflatable structure when the sound main body is lifted, the inclined strut is rotated to be unfolded to support the sound main body, the contact surface of the sound main body on the ground can be increased, and the stability of the sound main body in use can be enhanced while the height of the sound main body is increased.

2. According to the invention, the caster wheel structure and the connecting assembly are arranged, when the inflatable structure drives the diagonal bracing structure to be unfolded, the diagonal bracing structure can drive the rubber block to prop against the roller wheel through the main rope and the scissor type telescopic frame in the connecting assembly, so that the roller wheel is braked, the phenomenon that the protective box is displaced through the roller wheel when the sound main body is used can be effectively avoided, and the stability of the sound main body when in use is further enhanced.

3. According to the invention, the reset assembly is arranged, in the process of accommodating the sound main body in the protective box, the sound main body drives the bottom plate to move downwards, the bottom plate moves downwards to drive the ejector rod to move upwards through the convex rod in the reset assembly, and the ejector rod moves upwards to drive the sleeve plate to rotate to a vertical state, so that the inclined strut structure can be accommodated to the side edge of the protective box, and the occupied area of the inclined strut structure can be effectively reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention in use;

FIG. 3 is a schematic side sectional view of a protective housing according to the present invention;

FIG. 4 is a schematic view showing the whole internal structure of the protection box according to the present invention;

FIG. 5 is a schematic illustration of the connection of the inflatable structure, the diagonal bracing structure, the caster structure, the reset assembly and the connecting assembly of the present invention;

FIG. 6 is a schematic view of the inflatable structure of the present invention detached from the diagonal strut structure;

FIG. 7 is an overall schematic diagram of a reset assembly of the present invention;

FIG. 8 is a schematic view of the connection of the caster assembly and the connection assembly of the present invention.

In the figure: 1. a sound main body; 2. a protective box; 3. a castor structure; 301. a roller; 302. a support frame; 303. a round tube; 304. a positioning ring; 4. an inflatable structure; 401. a sleeve; 402. a circular piston; 403. bending the rod; 404. a main pipe; 405. a secondary pipe; 5. a diagonal bracing structure; 501. a sleeve plate; 502. an inner panel; 503. a rectangular piston; 504. limiting the hinged support; 505. a connecting shaft; 506. a coil spring; 507. a first spring; 6. a reset assembly; 601. a push rod; 602. a sleeve frame; 603. a disc; 604. a drive pin; 605. a limiting wheel; 606. a protruding rod; 607. arc spring I; 7. a connection assembly; 701. a rubber block; 702. a connecting seat; 703. a scissors type expansion bracket; 704. arc springs II; 705. an auxiliary rope; 706. a main rope; 707. a guide wheel I; 708. a second guide wheel; 709. a connecting block; 710. a T-shaped clamping block; 711. a top block; 712. an anti-drop cover; 713. positioning a shaft; 8. a top cover; 9. an electric push rod; 10. a telescopic rod; 11. a bottom plate; 12. and a second spring.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 1-5, an outdoor portable audio in the drawings comprises an audio main body 1, wherein the audio main body 1 is accommodated in a protective box 2, caster structures 3 are fixedly installed at four corners of the lower end of the audio main body 1, an electric push rod 9 and a telescopic rod 10 are respectively installed in the protective box 2 outside the audio main body 1, the electric push rod 9 is installed at the rear side of the audio main body 1, the telescopic rod 10 is installed at the left side and the right side of the audio main body 1, two ends of the electric push rod 9 and the telescopic rod 10 are fixedly connected with the protective box 2 and a top cover 8 respectively, a bottom plate 11 capable of moving up and down is movably embedded in the protective box 2, and a plurality of groups of second springs 12 are installed at the lower end array of the bottom plate 11; the bracing structure 5 is used for supporting the protective box 2, the bracing structure 5 for enhancing the stability of the sound main body 1 during use is arranged on the outer side of the protective box 2, the inflatable structure 4 is arranged between the bracing structure 5 and the telescopic rod 10, and the reset component 6 is arranged between the bracing structure 5 and the bottom plate 11.

Further, when the acoustic main body 1 is stored in the protection box 2, the top cover 8 at the upper end of the acoustic main body 1 is movably abutted to the protection box 2, and the acoustic main body 1 can be prevented from falling ash.

Referring to fig. 6, the diagonal bracing structure 5 includes a sleeve plate 501 rotatably mounted on the outer side of the protection box 2, a telescopic inner panel 502 is movably embedded at the lower end of the sleeve plate 501, a rectangular piston 503 is fixedly connected to one end of the inner panel 502 located inside the sleeve plate 501, the rectangular piston 503 is movably attached to the inner wall of the sleeve plate 501, and a limiting hinge support 504 is fixedly mounted on the outer side of the protection box 2 corresponding to the sleeve plate 501.

Further, the protection box 2 can protect the sound body 1 when it is moved.

Referring to fig. 6, a sleeve plate 501 is rotatably connected with a limiting hinged support 504 through a connecting shaft 505, two ends of the connecting shaft 505 are fixedly sleeved with a coil spring 506 in the limiting hinged support 504, the outer side ends of the coil spring 506 are fixedly connected with the limiting hinged support 504, a first spring 507 is mounted on the lower sides of the sleeve plate 501 and an inner panel 502, and two ends of the first spring 507 are fixedly connected with the sleeve plate 501 and the inner panel 502 respectively through positioning seats.

Further, the limiting hinge mount 504 can limit the rotation angle of the sleeve plate 501.

Referring to fig. 6, the inflatable structure 4 includes a sleeve 401 fixedly mounted on an inner wall of the protection box 2, the sleeve 401 is mounted close to the telescopic rod 10, a circular piston 402 capable of moving up and down is mounted in the sleeve 401, the circular piston 402 is movably attached to the inner wall of the sleeve 401, a bending rod 403 is fixedly embedded at the lower end of the circular piston 402, one end of the bending rod 403 far away from the circular piston 402 is fixedly connected with a second section tube of the telescopic rod 10, the bending rod 403 is slidably connected with a first section tube of the telescopic rod 10 through a limiting straight slot, a main tube 404 which is mutually communicated with the sleeve 401 is fixedly mounted at the outer side of the sleeve 401, two subsidiary tubes 405 which are mutually communicated with the main tube 404 are fixedly connected at the lower end of the main tube 405, and two subsidiary tubes 405 are respectively connected with two sleeve plates 501.

Further, the upward movement of the circular piston 402 inside the sleeve 401 can squeeze the gas inside the sleeve 401 into the two sleeve plates 501.

Referring to fig. 7, the reset assembly 6 includes a push rod 601 movably abutted to the sleeve plate 501, a sleeve frame 602 is fixedly connected to the lower end of the push rod 601, a disc 603 is movably abutted to one side of the push rod 601 and the sleeve frame 602 away from the sleeve plate 501, the disc 603 is rotatably connected to the protection box 2 through a shaft rod, a driving pin 604 is fixedly embedded in one side of the disc 603 close to the sleeve frame 602, and the sleeve frame 602 is movably sleeved on the outer side of the driving pin 604.

Further, the push rod 601 moves upwards to drive the sleeve plate 501 to rotate to a vertical state.

Referring to fig. 7, a protruding rod 606 is fixedly embedded in one side of the disc 603 away from the ejector rod 601, the driving pin 604 and the protruding rod 606 deviate from the center of the disc 603, an arc-shaped first spring 607 is fixedly installed on the outer side of the protruding rod 606, and one end of the arc-shaped first spring 607 away from the protruding rod 606 is fixedly connected with the protection box 2.

Further, the bottom plate 11 moves down to drive the disc 603 against the protruding rod 606 to rotate.

Can strengthen sound equipment placement stability's theory of operation: firstly, after the sound main body 1 is moved to a designated position, a user controls the electric push rod 9 to operate by remote control, the electric push rod 9 drives the sound main body 1 to move upwards, at the moment, the bottom plate 11 also moves upwards under the drive of the second spring 12, after the bottom plate 11 moves upwards, the gravity pressed on the convex rod 606 disappears, the convex rod 606 and the round plate 603 rotate under the drive of the arc-shaped spring I607, the round plate 603 can drive the push rod 601 to move downwards through the drive pin 604 and the sleeve frame 602 after the round plate 603 rotates (refer to fig. 7, fig. 7 is a state that the bottom plate 11 is separated from the convex rod 606 and then the assembly 6 is reset), the force acted on the sleeve plate 501 after the push rod 601 moves downwards disappears, the sleeve plate 501 can rotate to extend out of the protective box 2 under the drive of the coil spring 506, and similarly after the sound main body 1 is retracted into the protective box 2, the bottom plate 11 moves downwards and drives the round plate 603 to rotate 90 degrees through the push rod 601 to rotate to drive the push rod 601 to move upwards, and the push rod 601 moves upwards to drive the sleeve plate 501 to rotate to the side wall of the protective box 2 in a vertical state, so that the occupation area of the diagonal bracing structure 5 is reduced;

in the process that the electric push rod 9 pushes the sound main body 1 to move upwards, the telescopic rod 10 also gradually stretches along with the upward movement of the top cover 8, in the process that the two sections of pipes of the telescopic rod 10 stretch out of one section of pipes, the two sections of pipes of the telescopic rod 10 drive the bending rod 403 and the round piston 402 to move upwards synchronously, after the round piston 402 moves upwards into the sleeve 401, the round piston 402 can squeeze gas in the sleeve 401 into two sleeve plates 501 close to the sleeve 401 through the main pipe 404 and the auxiliary pipe 405, and as one end of the inner panel 502 positioned in the sleeve plates 501 is connected with a rectangular piston 503, quantitative gas enters the sleeve plates 501 and can drive the inner panel 502 to stretch out of the sleeve plates 501 through the rectangular piston 503, after the sound main body 1 rises to the highest point, the inner panel 502 can fully stretch out, then a user locks the four groups of telescopic rods 10, supports the sound main body 1 through the inclined support structure 5 outside the protective box 2, and can enhance the stability of the sound main body 1 when in use;

during the process of retracting the sound body 1 into the protective box 2, the two-section tube in the telescopic rod 10 drives the circular piston 402 to move downwards through the bending rod 403, the circular piston 402 moves downwards to extract the gas in the sleeve plate 501, and the first spring 507 assists the inner panel 502 to retract into the sleeve plate 501.

Examples

Referring to fig. 8, for further description of the embodiment, the caster structure 3 includes a roller 301 contacting with the ground, a supporting frame 302 is mounted on the outer side of the roller 301, the supporting frame 302 is rotatably connected with the roller 301, a circular tube 303 is fixedly embedded in the center of the upper end of the supporting frame 302, a positioning ring 304 is fixedly mounted on the outer side of the circular tube 303 at the lower end of the protection box 2, and the circular tube 303 is rotatably connected with the positioning ring 304 through a bearing.

Further, the bearing can reduce friction between the round tube 303 and the positioning ring 304.

Referring to fig. 8, a connection assembly 7 is installed between the roller 301 and the diagonal bracing structures 5 located on the left and right sides of the protection box 2, the connection assembly 7 includes a rubber block 701 movably abutted to the roller 301, an upper end of the rubber block 701 is fixedly connected with a connection base 702, a scissor type expansion bracket 703 is hinged on the connection base 702, a positioning shaft 713 is installed at a position of the protection box 2 corresponding to the scissor type expansion bracket 703, the scissor type expansion bracket 703 is movably hinged to the positioning shaft 713, two arc springs 704 are fixedly installed on the outer sides of the opening ends of the scissor type expansion bracket 703, and one end, far away from the scissor type expansion bracket 703, of each arc spring 704 is fixedly connected with the protection box 2.

Further, the rubber block 701 can brake the roller 301 against the roller 301.

Referring to fig. 8, two auxiliary ropes 705 are fixedly connected to an open end of the scissor type expansion bracket 703, a main rope 706 is fixedly connected to an upper end of the two auxiliary ropes 705, a guide wheel one 707 and a guide wheel two 708 are respectively mounted on the outer sides of the main ropes 706, the guide wheel one 707 is rotationally connected with the protection box 2, the guide wheel two 708 is rotationally connected with the sleeve plate 501, and a connecting block 709 is fixedly connected to one end of the main rope 706, which is far away from the auxiliary ropes 705.

Further, the first guide pulley 707 can reduce friction between the main rope 706 and the protection box 2.

Referring to fig. 6 and 8, a T-shaped clamping block 710 is fixedly installed on one side of the connecting block 709, which is close to the sleeve plate 501, the connecting block 709 is slidably connected with the sleeve plate 501 through the T-shaped clamping block 710, a top block 711 is fixedly installed on the outer side of the inner panel 502 corresponding to the T-shaped clamping block 710, the top block 711 is movably abutted to the T-shaped clamping block 710, an anti-drop cover 712 is installed on the outer side of the guide wheel two 708, the anti-drop cover 712 is fixedly connected with the sleeve plate 501, and the guide wheel two 708 is rotatably connected with the anti-drop cover 712.

Further, the anti-drop cover 712 can prevent the main rope 706 from being pulled off the second guide pulley 708.

In this embodiment: in the process that the inner panel 502 extends out of the sleeve plate 501, the top block 711 on the outer side of the inner panel 502 moves to abut against the T-shaped clamping block 710, so that the connecting block 709 is moved downwards (a reserved groove formed in the sleeve plate 501 and used for moving the T-shaped clamping block 710 is positioned on the lower side of the rectangular piston 503), the connecting block 709 can move to pull the two auxiliary ropes 705 upwards through the main ropes 706, the two auxiliary ropes (705) move upwards to drive the open ends of the scissor type expansion brackets 703 to be close to each other, the open ends of the scissor type expansion brackets 703 can drive the rubber blocks 701 to move downwards to abut against the roller 301 in the process that the open ends of the scissor type expansion brackets 703 are close to each other, the rubber blocks 701 move downwards to abut against the roller 301, the roller 301 can brake the roller 301, and the situation that when the sound main body 1 is used, the protective box 2 moves through the roller 301 is effectively avoided, after the inner panel 502 is retracted into the sleeve plate 501, the opening of the scissor type expansion brackets 703 can be opened under the driving of the two arc springs 704, and the opening of the scissor type expansion brackets 703 can drive the rubber blocks 701 to be separated from the roller 301, and the roller 301 can move through the roller 301.

Examples

Referring to fig. 7, in this embodiment, for further description of other embodiments, two limiting wheels 605 are installed inside the push rod 601 and are symmetrically distributed, and the limiting wheels 605 are fixedly connected with the protection box 2, and the limiting wheels 605 are in rolling connection with the push rod 601 through limiting straight grooves.

In this embodiment: the limiting wheel 605 rolls inside the ejector rod 601 through the limiting straight groove in the process of moving up or down the ejector rod 601, so that the ejector rod 601 can be limited, and the ejector rod 601 can be prevented from rotating.

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 outdoor portable stereo set, includes sound main part (1), sound main part (1) is accomodate in the inside of protective housing (2), the top fixed mounting of sound main part (1) has top cap (8), its characterized in that: the novel portable electronic device is characterized in that the four corners of the lower end of the sound main body (1) are fixedly provided with caster structures (3), the outer side of the sound main body (1) is positioned in the protective box (2), an electric push rod (9) and a telescopic rod (10) are respectively arranged in the protective box, the electric push rod (9) is arranged at the rear side of the sound main body (1), the telescopic rod (10) is arranged at the left side and the right side of the sound main body (1), the two ends of the electric push rod (9) and the telescopic rod (10) are respectively fixedly connected with the protective box (2) and the top cover (8), a bottom plate (11) capable of moving up and down is movably embedded in the protective box (2), and a plurality of groups of second springs (12) are arranged at the lower end array of the bottom plate (11).

The bracing structure (5) is used for supporting the protective box (2), enhancing stability of the sound main body (1) during use, the bracing structure (5) is installed on the outer side of the protective box (2), the air charging structure (4) is installed between the bracing structure (5) and the telescopic rod (10), and the reset assembly (6) is installed between the bracing structure (5) and the bottom plate (11).

2. An outdoor portable audio device according to claim 1, wherein: the inclined strut structure (5) comprises a sleeve plate (501) rotatably installed on the outer side of the protective box (2), a telescopic inner panel (502) is movably embedded at the lower end of the sleeve plate (501), the inner panel (502) is located at one end of the inner portion of the sleeve plate (501) and fixedly connected with a rectangular piston (503), the rectangular piston (503) is movably attached to the inner wall of the sleeve plate (501), and a limiting hinged support (504) is fixedly installed at the outer side of the protective box (2) corresponding to the position of the sleeve plate (501).

3. An outdoor portable audio device according to claim 2, wherein: the sleeve plate (501) is rotationally connected with the limiting hinged support (504) through a connecting shaft (505), two ends of the connecting shaft (505) are located in the limiting hinged support (504), a coil spring (506) is fixedly sleeved in the limiting hinged support (504), the outer side end of the coil spring (506) is fixedly connected with the limiting hinged support (504), a first spring (507) is installed on the lower side of the sleeve plate (501) and the lower side of the inner panel (502), and two ends of the first spring (507) are respectively fixedly connected with the sleeve plate (501) and the inner panel (502) through positioning seats.

4. An outdoor portable audio unit according to claim 3, wherein: the inflatable structure (4) comprises a sleeve (401) fixedly mounted on the inner wall of the protective box (2), the sleeve (401) is close to the telescopic rod (10) to be mounted, a round piston (402) capable of moving up and down is mounted in the sleeve (401), the round piston (402) is movably attached to the inner wall of the sleeve (401), a bending rod (403) is fixedly embedded at the lower end of the round piston (402), the bending rod (403) is far away from one end of the round piston (402) and is fixedly connected with two sections of pipes of the telescopic rod (10), the bending rod (403) is in sliding connection with one section of pipes of the telescopic rod (10) through a limiting straight groove, a main pipe (404) which is mutually communicated with the sleeve (401) is fixedly mounted on the outer side of the sleeve (401), two auxiliary pipes (405) which are mutually communicated are fixedly connected with the lower ends of the main pipe (404), and the two auxiliary pipes (501) which are respectively connected with the two sleeve plates (501).

5. An outdoor portable audio device according to claim 1, wherein: reset subassembly (6) include with cover board (501) movable joint's ejector pin (601), the lower extreme fixedly connected with cover frame (602) of ejector pin (601), ejector pin (601) with one side movable joint that cover frame (602) kept away from cover board (501) has disc (603), just disc (603) pass through the axostylus axostyle with protective housing (2) rotate to be connected, disc (603) are close to one side of cover frame (602) is fixed to be inlayed driving pin (604), just cover frame (602) activity cup joint in the outside of driving pin (604).

6. An outdoor portable audio unit according to claim 5, wherein: two spacing wheels (605) that are symmetrical distribution are installed to internally mounted of ejector pin (601), just spacing wheel (605) with connected mode between protective housing (2) is fixed connection, spacing wheel (605) pass through spacing straight flute with ejector pin (601) roll connection, disc (603) are kept away from one side of ejector pin (601) is fixed to be inlayed protruding pole (606), just driving pin (604) with protruding pole (606) all deviate from the centre of a circle of disc (603), the outside fixed mounting of protruding pole (606) has arc spring one (607), just arc spring one (607) is kept away from one end of protruding pole (606) with protective housing (2) fixed connection.

7. The outdoor portable audio device of claim 6, wherein: the trundle structure (3) comprises a roller (301) which is in contact with the ground, a supporting frame (302) is arranged on the outer side of the roller (301), the supporting frame (302) is connected with the roller (301) in a rotating mode, a circular tube (303) is fixedly embedded in the center of the upper end of the supporting frame (302), a positioning ring (304) is fixedly arranged on the outer side of the circular tube (303) at the lower end of the protective box (2), and the circular tube (303) is connected with the positioning ring (304) in a rotating mode through a bearing.

8. The outdoor portable audio device of claim 7, wherein: install coupling assembling (7) between gyro wheel (301) and bracing structure (5) that are located the left and right sides of protective housing (2), coupling assembling (7) include with rubber piece (701) of gyro wheel (301) activity butt, upper end fixedly connected with connecting seat (702) of rubber piece (701), articulated on connecting seat (702) install scissors formula expansion bracket (703), the inside of protective housing (2) corresponds scissors formula expansion bracket (703) department installs locating shaft (713), just scissors formula expansion bracket (703) with locating shaft (713) swing joint, two arc spring two (704) are installed to the open end outside fixed mounting of scissors formula expansion bracket (703), just arc spring two (704) keep away from one end of scissors formula expansion bracket (703) with stereo set main part (1) fixed connection.

9. The outdoor portable audio device of claim 8, wherein: the utility model discloses a scissors formula expansion bracket, including scissors formula expansion bracket (703), opening end fixedly connected with two vice ropes (705), two the upper end fixedly connected with main rope (706) of vice rope (705), guide pulley one (707) and guide pulley two (708) are installed respectively in the outside of main rope (706), just the guide pulley one (707) with connected mode between protective housing (2) is rotation connection, connected mode between guide pulley two (708) and bushing (501) is rotation connection, the one end fixedly connected with connecting block (709) of vice rope (705) are kept away from to main rope (706).

10. The outdoor portable audio device of claim 9, wherein: one side of connecting block (709) is close to bushing (501) fixed mounting has T type fixture block (710), connecting block (709) is through T type fixture block (710) and bushing (501) sliding connection, and the outside of interior panel (502) corresponds T type fixture block (710) department fixed mounting has kicking block (711), just kicking block (711) with the connected mode between T type fixture block (710) is movable butt, anticreep cover (712) are installed in the outside of guide pulley two (708), just the connected mode between anticreep cover (712) and bushing (501) is fixed connection, guide pulley two (708) with the connected mode between anticreep cover (712) is swivelling joint.