CN219286028U - Song requesting device - Google Patents

Abstract

The utility model discloses a song requesting device which comprises a main frame, a sound box and a host machine which are arranged in the main frame, a touch display and a bracket, wherein the touch display is respectively arranged on the front side of the main frame and used for displaying a song requesting image, the bracket is used for placing a microphone, the sound box and the touch display are connected with the host machine through signals, and the main frame is provided with connecting components which limit and fix the sound box from the two sides of the top and the two sides of the bottom of the sound box. Above-mentioned song requesting device uses through the cooperation between coupling assembling and the main frame, fixes the audio amplifier on the main frame from the top both sides and the bottom both sides of audio amplifier, prevents that the audio amplifier from leading to the connection of audio amplifier not hard up because of the shake of automobile body in song requesting device transportation to further prevent that the audio amplifier breaks away from established position department and lead to the audio amplifier to bump with the main frame in rocking the in-process, guarantee the quality and the structural stability of song requesting device.

Description

Song requesting device

Technical Field

The utility model relates to a song ordering device.

Background

Singing is a common entertainment mode for people, who usually go to a special KTV entertainment place to experience singing in order to relax entertainment. With the continuous development of epidemic situation, entertainment venues such as KTV and the like are shut down in a large area, and the entertainment requirement of people for KTV to the singing throat is difficult to meet at present. And software programs such as mobile phone song recording and the like are difficult to provide better interactive singing experience for multiple people due to the defects in the aspects of tone quality, equipment volume and the like.

The Chinese patent application No. 202020407402.4 discloses a 4K high-definition network television touch singing machine, and discloses a cabinet body, a liquid crystal display screen, a sound box, a song storage device, a 4K television display panel, a touch display and a wireless microphone, wherein the components are integrated in the cabinet body, so that song ordering and singing are realized, the movement is convenient, the machine can be used in various public places and even household places, and people can display singing throat without going to a special KTV singing place.

However, in this prior art, the sound box is directly placed inside the cabinet, and the bottom of the sound box is connected to the bottom plate of the cabinet by bolts. Because the volume of the sound box is relatively large, when the singing machine needs to be moved and transported, if the road surface is uneven, particularly when the road surface is uneven in the process of transporting the singing machine by a cart, the up-and-down jumping degree of the cart body can be increased when the cart body which moves at high speed jumps due to the uneven road surface, so that the singing machine can shake severely; because the top of audio amplifier does not carry out any fixedly, and the audio amplifier is fixed through the bolt only, when rocking the radian great and incline towards one side, the jump and the inertial action of automobile body can give the top of audio amplifier an outside power for the audio amplifier outwards throws, and one side that the audio amplifier bottom is located the incline direction is as the fulcrum, another opposite side pulls to the incline direction under the effect of inertia or whipping, with the bolt of sled bottom gradually, leads to the bolt to become flexible and lead to the audio amplifier to break away from the bottom plate and collide with, thereby lead to the damage of singing machine, increase cost.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: the song requesting device can be used for limiting and fixing from the two sides of the top and the two sides of the bottom of the sound box.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a song requesting device, which comprises a main frame, a sound box and a host machine which are arranged in the main frame, a touch display used for displaying a song requesting image and a support used for placing a microphone, wherein the touch display and the support used for placing a microphone are respectively arranged on the front side of the main frame, the sound box and the touch display are connected with the host machine through signals, song requesting can be carried out through the touch display, signals are sent to the host machine, the host machine controls the sound box to play music on demand, and after the microphone is connected, the music can be singed through the microphone, and the main frame is provided with connecting assemblies which limit and fix the sound box from the two sides of the top and the two sides of the bottom of the sound box, so that the sound box is stably fixed.

The left side and the right side of the main frame are gradually narrowed from bottom to top so that the main frame is wedge-shaped, and therefore the structure is stable and the gravity center is low.

The bottom of main frame is provided with the base, is provided with the universal wheel of being convenient for remove and the supporting legs of being convenient for support main frame on the bottom surface of base, and the customer can select one kind to install between the two when using, and the universal wheel makes things convenient for the customer to remove the deployment, and supporting leg structure is firm, is prevented to be removed by other people after the installation.

The middle part of main frame passes through the crossbeam with main frame internal partition become the first installation space that is used for installing the host computer and be used for installing the second installation space of audio amplifier, coupling assembling sets up in the second installation space, separates audio amplifier and host computer like this, and the audio amplifier is because can produce vibrations when using, if put together with the host computer then very easily leads to the host computer position to remove, influences the use of host computer.

The beam comprises two first support beams symmetrically arranged on the left side and the right side of the main frame and two second support beams symmetrically arranged on the left side and the right side of the main frame, the first support beams and the second support beams are both positioned in the middle of the main frame in the vertical direction, the first support beams are positioned above the second support beams, a first installation space is positioned between the first support beams and the second support beams, and a second installation space is positioned between the second support beams and the base; the connecting assembly comprises clamping seats which are arranged on two non-adjacent sides of the top surface of the base and used for limiting and fixing two sides of the bottom of the loudspeaker box, and clamping plates which are arranged on two second supporting beams and used for limiting and fixing two sides of the top of the loudspeaker box, and the loudspeaker box is fixed.

The connecting assembly further comprises two groups of first connecting shafts which are vertically and fixedly arranged on two sides of the bottom of the sound box and respectively correspond to the two clamping seats, and two groups of second connecting shafts which are horizontally and fixedly arranged on two sides of the top of the sound box and respectively correspond to the two clamping plates, first concave clamping grooves are formed in the first connecting shafts around the circumference of the first connecting shafts, first gaps which are in one-to-one correspondence with the first clamping grooves and are used for being clamped in the first clamping grooves are formed in the clamping seats, and the bottoms of the sound box are limited by clamping the first clamping grooves of the first connecting shafts at the first gaps; the second clamping grooves which are concave are formed in the second connecting shafts around the circumference of the second connecting shafts, second notches which are in one-to-one correspondence with the second clamping grooves and are used for being clamped in the second clamping grooves are formed in the clamping plates, the second clamping grooves of the second connecting shafts are clamped in the first notches, accordingly, the top of the sound box is limited, and connection stability between the sound box and the main frame is guaranteed.

Each group of the first connecting shafts and each group of the second connecting shafts are at least two; the two clamping seats are horizontally arranged, the inner side edges of the two clamping seats vertically extend downwards and are propped against the top surface of the base, and the outer side edges of the two clamping seats are connected to the main frame so that the top surface of the clamping seats is spaced from the top surface of the base; the first notch is arranged on the top surface of the clamping seat and is arranged towards the opening of the inner side, the first clamping groove of the first connecting shaft is clamped at the first notch to limit the two sides of the bottom of the loudspeaker box, the first connecting shaft is not in direct contact with the main frame and the base through the clamping seat, and when the loudspeaker box is used, the first connecting shaft and the clamping seat counteract most vibration from the loudspeaker box, so that the service life of the main frame, the host machine and other structures is prolonged.

The top sides of the two clamping plates are respectively connected to the two second supporting beams, the bottom sides of the two clamping plates vertically extend downwards, the second notch is formed in the bottom side of the clamping plate and is arranged towards the opening of the bottom side, the second clamping groove of the second connecting shaft is clamped at the second notch to limit the top of the sound box, the second connecting shaft is clamped downwards from top to bottom, the sound box is prevented from jumping up and down, and the top of the sound box is further limited to be stressed and rocked in the front, back, left and right directions relative to the main frame; the second connecting shaft is not in direct contact with the main frame through the clamping plate, when the loudspeaker box is used, the second connecting shaft and the clamping plate counteract most vibration from the loudspeaker box, and the service life of the main frame, the main machine and other structures is prolonged.

The front side of the main frame is provided with a front baffle plate, the front baffle plate is positioned below the touch display, the top of the front baffle plate extends to the front side of the host, and the front baffle plate is provided with a through hole for an operation button of the host to extend out of the front baffle plate so as to control the host; the rear side of the main frame is provided with a rear baffle, dust screens for blocking the sound box are respectively arranged on the left side and the right side of the main frame, and the front baffle, the rear baffle, the two dust screens, the base and the second supporting beams are jointly enclosed into a second installation space, so that the sound box and each circuit can be shielded, dust is prevented from entering the sound box to block the sound box, the sound quality of the sound box is influenced, and each circuit is protected.

The front baffle is provided with the LED lamp panel, LED lamp panel signal connection is in the host computer, and when the host computer is in operation, especially when playing music, the LED lamp panel can constantly flash along with the music, increases the interest when the user uses.

The song ordering device has at least the following beneficial effects: through the cooperation use between coupling assembling and the main frame, fix the audio amplifier on the main frame from the top both sides and the bottom both sides of audio amplifier, prevent that the audio amplifier from leading to the connection of audio amplifier not hard up because of the shake of automobile body in order song device transportation to further prevent that the audio amplifier breaks away from established position department and lead to the audio amplifier to bump with the main frame in rocking the in-process, guarantee the quality and the structural stability of order song device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of a song requesting apparatus according to the present utility model;

FIG. 2 is a rear view of the song requesting apparatus of the present utility model;

FIG. 3 is an exploded view of the song requesting apparatus of the present utility model;

FIG. 4 is a schematic diagram of the structure of the main frame, front baffle, touch display and connection assembly of the song requesting device of the present utility model;

FIG. 5 is a schematic diagram of the cooperation among the speaker, the host, the base and the connection assembly according to the present utility model;

FIG. 6 is an enlarged view of portion A of FIG. 5;

fig. 7 is an enlarged view of the portion B shown in fig. 5.

The meaning of the reference numerals in the drawings are:

a main frame-1; a first main girder 11; a second main beam-12; a base-13; universal wheels-14; supporting feet-15; a first corbel-161; a second corbel-162; front baffle-17; an operation panel-171; perforation-172; rear beam-181; a tailgate-182; dust screen-191; a wire shield-192; dust cap-193;

a host-2;

touching the display-3;

a bracket-4;

a sound box-5;

a connection assembly-6; a cassette-61; a clamping plate-62; a first connecting shaft-63; a second connecting shaft-64; a first clamping groove-65; a second card slot-66; a first notch-67; a second notch-68;

LED lamp panel-7.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 7, the song requesting device of the present utility model includes a main frame 1, a host 2 disposed in the main frame 1, a touch display 3 disposed on the front side of the main frame 1 for displaying a song requesting image, a stand 4 disposed on the front side of the main frame 1 for placing a microphone, a sound box 5 disposed in the main frame 1, and a connection assembly 6 disposed in the main frame 1, wherein the sound box 5 and the touch display 3 are both in signal connection with the host 2, the sound box 5 is used for playing music and speaking, the host 2 is used for controlling the playing of music, switching and opening and closing of a power supply, the touch display 3 is used for performing music selection, the touch display 3 is used for transmitting a signal to the host 2 by clicking the touch display 3, the host 2 receives a corresponding signal and outputs a corresponding instruction and signal, and controls the sound box 5 to play, and the connection assembly 6 limits and fixes the top two sides and the bottom two sides of the sound box 5 on the main frame 1, thereby ensuring the structural stability of the sound box 5, and avoiding the structure of the sound box 5 from being affected by vehicle body shake during transportation.

The main frame 1 comprises two symmetrical first main beams 11 in a V shape and four second main beams 12, wherein both ends of the two first main beams 11 are downward and are arranged at intervals in a left-right parallel manner, and the first main beams 11 are provided with top ends and two downward inclined side edges; four second girders 12 enclose in proper order and establish on the bottom of two first girders 11 in order to form rectangular frame structure and connect gradually the both ends of two first girders 11 in order to form by the structure of width reduction from bottom to top, so, main frame 1 presents wedge shape, concentrates the focus of whole frame in the latter half of main frame 1, makes the structure more firm, and the focus is low. A base 13 is arranged at the bottom of the main frame 1, and the top surface of the base 13 is connected with the ends of four second main beams 12 and two first main beams 11 to form a supporting structure; the base 13 is made of a 2mm double-layer iron plate with black matte protective paint sprayed outside. The universal wheels 14 and the supporting legs 15 convenient to move are arranged on the bottom surface of the base 13, the universal wheels 14 are arranged in four and rectangular arrays, the supporting legs 15 are arranged in four and rectangular arrays, the universal wheels 14 are convenient for a user to move and deploy, the supporting legs 15 are convenient for limiting the movement of the whole device, and the device is prevented from being moved by others or shifted due to collision after being installed. The user who purchases the device of requesting to sing can select different use scenes to install universal wheel 14 or supporting legs 15, perhaps directly install universal wheel 14 and supporting legs 15 simultaneously, corresponding, supporting legs 15 can stretch out and draw back, be provided with on supporting legs 15 and lock spacing locking part to supporting legs 15 after supporting legs 15 shrink or stretch out, locking part accessible bolt isotructure realizes, perhaps supporting legs 15 directly adopts equipment that can stretch out and draw back such as electric jar, when needs remove whole device, shrink supporting legs 15, when needs fixed whole device, extend supporting legs 15 and make the bottom of universal wheel 14 unsettled.

The middle part at main frame 1 is provided with the crossbeam, and the crossbeam is with main frame 1 internal partition become the first installation space that is used for installing host computer 2 and be used for installing audio amplifier 5 second installation space, and first installation space is located the middle part of main frame 1 that is main frame 1 in the vertical direction, and second installation space is located the below of first installation space, and coupling assembling 6 sets up in the second installation space in order to install audio amplifier 5 in the second installation space.

The cross beam comprises two first support beams 161 symmetrically arranged on the main frame 1 and two second support beams 162 symmetrically arranged on the main frame 1, wherein two ends of one first support beam 161 and two ends of one second support beam 162 are respectively connected to the middle parts of two side edges of the first main beam 11 positioned on the left side, and the first support beam 161 and the second support beam 162 which are connected to the first main beam 11 positioned on the left side are arranged in parallel up and down; two ends of the other first supporting beam 161 and two ends of the other second supporting beam 162 are respectively connected to middle parts of two side edges of the first main beam 11 positioned on the right side, and the first supporting beam 161 and the second supporting beam 162 connected to the first main beam 11 positioned on the right side are arranged in parallel one above the other, the top surfaces of the two first supporting beams 161 are positioned on the same horizontal plane, and the top surfaces of the two second supporting beams 162 are positioned on the same horizontal plane. The space between the first and second corbels 161 and 162 is a first installation space, and the space between the second corbel 162 and the base 13 is a second installation space. Preferably, the first main beam 11, the second main beam 12, the cross beam and the rear beam 181 of the main frame 1 are all made of 2mm square iron pipes with black matte protective paint sprayed outside, the cross beam and the second main beam 12 are all welded with the two first main beams 11, the tops of the two first main beams 11 are sheet metal bending structures, the firmness and corrosion resistance of the main frame 1 structure are guaranteed while the cost is reduced, and the appearance is attractive and elegant. Preferably, a fourth strut beam is disposed between the two first strut beams 161 in the left-right direction, so as to increase structural firmness of the entire main frame 1, and the fourth strut beam is connected to the two first strut beams 161 by welding from the middle and bottom of the first main beam 11.

A front baffle 17 is disposed at the front side of the main frame 1, the front baffle 17 is located below the touch display 3, the top of the front baffle 17 extends to the bottom of the touch display 3 and on the front side of the host 2, a plurality of through holes 172 are formed in the front baffle 17, the plurality of through holes 172 correspond to operation buttons of the host 2, and after the host 2 is installed in the first installation space, the operation buttons of the host 2 face the front side and penetrate out of the adapted through holes 172 so as to be convenient for operating the operation buttons of the host 2. The front baffle 17 keeps off in the front side department of first installation space and second installation space, and the front baffle 17 that is located the host computer 2 front side forms operating panel 171, perforation 172 all opens on operating panel 171, and each perforation 172 corresponds sound adjust knob, a key standby switch and the microphone jack of host computer 2 respectively, simplifies the operation, and it is convenient to use. The front baffle 17 below the carrying operation panel 171 is provided with a mounting plate, an LED lamp panel 7 is arranged on the mounting plate, the LED lamp panel 7 is in signal connection with the host 2, preferably, toughened glass is attached to the front side of the LED lamp panel 7, and an LED array lamp strip is arranged on the rear side of the LED lamp panel 7. After the host 2 is operated, particularly when music is played, the LED lamp panel 7 can continuously flash along with the music, so that the interestingness of a user during use is increased.

A rear beam 181 and a rear shield 182 provided on the rear beam 181 are provided on the rear side of the main frame 1, the rear beam 181 being blocked at the rear side of the second installation space, the rear shield 182 being located at the rear side of the rear beam 181 and being used to block the rear side of the second installation space. Four sides of the back plate 182 are respectively bent towards the front sides, the bent sides of the back plate 182 on the left side and the right side are bent towards the sides opposite to the two sides after being bent forwards, namely the side on the left side is continuously bent towards the left side after being bent forwards, the side on the right side is continuously bent towards the right side after being bent forwards, screw holes are formed in one side corresponding to the bending, screw holes corresponding to the screw holes are formed in the rear sides of the two first main beams 11, the screw holes and the screw holes are connected and fixed through bolts, and the side of the back plate 182 on the bottom side abuts against the top surface of the base 13 to cover the second installation space after installation. Preferably, the rear guard 182 is made of steel plate with black sunlight protection paint sprayed outside to ensure the service life and solidity of the song ordering device. Dust screens 191 for blocking two sides of the sound box 5 are respectively arranged on the left side and the right side of the main frame 1, the two dust screens 191 are respectively blocked at the left side and the right side of the second installation space, and a plurality of ventilation holes are formed in the dust screens 191, so that ventilation and heat dissipation in the second installation space are facilitated. The dust screen 191 is fixed to the first main beam 11 by bolts or screws. The front baffle 17, the two dustproof nets 191, the rear baffle 182, the base 13 and the second supporting beams 162 are jointly enclosed to form a second installation space, the sound box 5 is isolated from foreign objects, and the sound box 5 is prevented from being damaged due to the fact that the foreign objects are pulled and rubbed in the transportation process of the song requesting device.

The mainframe 2 is installed in the first installation space, i.e., between the first and second corbels 161 and 162. A third corbel is horizontally provided in the left-right direction on the front side of the main frame 1, the third corbel being located at the rear side of the operation panel 171 and on the same horizontal plane as the top of the second corbel 162 for supporting the main frame 2. The third corbel is the same material as the second corbel 162. The left and right sides of the main frame 1 are provided with shielding covers 192 which are respectively blocked on the left and right sides of the first installation space, the top sides of the shielding covers 192 are connected with the host computer 2 through bolts, and the front and rear sides of the bottom of each shielding cover 192 are connected with two side edges of the first main beam 11 in a bolt manner. The material of the wire shield 192 is the same as that of the tailgate 182. The host 2 preferably adopts a host 2 with a specification of K9, and is internally provided with a main board, a switching power supply and a power amplifier board, the front side of the host 2 is provided with keys and slots such as a sound adjusting knob, a one-key standby button, a microphone jack and the like, and the through holes 172 on the operation panel 171 are arranged corresponding to the buttons and the slots of the host 2. The wire shielding cover 192 can shield each wire of the main unit 2 from exposure; the main frame 1 is reserved with the wiring groove, so that the wire is prevented from being exposed outside the main frame 1 to influence the appearance of the song ordering device, the appearance neatness is improved, and meanwhile, the maintainability of the song ordering device is improved. And the rear side of the second space is opened so that the antenna of the rear side of the main unit 2 is protruded. The top of the host machine 2 is covered with a dust cover 193 to avoid the influence of dust accumulation on the top of the host machine 2 on the service life of the host machine 2.

The touch display 3 uses a 32-inch high-definition capacitive touch screen, is highlighted by 500nit, and has clear pictures and convenient operation. The support 4 sets up to two, and two supports 4 set up in the front side of two first girders 11 and divide to establish on touch display 3's left and right sides, and support 4 is U type structure, and the inboard has the clamping groove that is used for clamping the microphone, and the width of clamping groove is less than the diameter of microphone head in order to be able to block the microphone, is convenient for prevent the microphone, prevents that the microphone from losing. Preferably, the bracket 4 is injection molded from silica gel and is bolted to the first main beam 11.

The loudspeaker box 5 can adopt a K9-mi ni stereo passive loudspeaker box 5, and is provided with two 8-inch bass units and four 3-inch treble units, so that the loudspeaker box has strong sound and good playing effect.

The connecting assembly 6 comprises two clamping seats 61 which are respectively arranged on the non-adjacent two sides of the top surface of the base 13, two groups of first connecting shafts 63 which are respectively arranged on two second supporting beams 162 and are vertically fixedly arranged at the bottom of the sound box 5, and two groups of second connecting shafts 64 which are horizontally fixedly arranged at the top of the sound box 5, wherein the first connecting shafts 63 are clamped with the clamping seats 61 and used for limiting and fixing the two sides of the bottom of the sound box 5, and the second connecting shafts 64 are clamped with the clamping plates 62 and used for limiting and fixing the two sides of the top of the multi-sound box 5, so that the stability between the sound box 5 and the main frame 1 is improved.

In the present utility model, each set of the first connecting shafts 63 is provided as at least two first connecting shafts 63, and each set of the second connecting shafts 64 is provided as at least two second connecting shafts 64.

In one embodiment of the present utility model, two first connecting shafts 63 are provided in each group, two second connecting shafts 64 are provided in each group, that is, four first connecting shafts 63 and four second connecting shafts 64 are provided in total, the four first connecting shafts 63 are arranged in a rectangular array and are disposed on the left and right sides or four corners of the bottom surface of the sound box 5 in two pairs, and correspondingly, two clamping seats 61 are disposed on the left and right sides of the top surface of the base 13. Two of the four second connecting shafts 64 are equidistantly arranged on the top of the left side of the sound box 5, the other two second connecting shafts 64 are equidistantly arranged on the top of the right side of the sound box 5 so that each second connecting shaft 64 is positioned on the top of the sound box 5, and the two clamping plates 62 are respectively arranged on the two second supporting beams 162. The first connecting shaft 63 and the second connecting shaft 64 are cylindrical, the central axis of the first connecting shaft 63 is arranged vertically, and the central axis of the second connecting shaft 64 is arranged horizontally. It should be understood that the first connecting shafts 63 may be disposed on both front and rear sides of the bottom surface of the sound box 5, the two clamping seats 61 are disposed on both front and rear sides of the top surface of the base 13, and the two clamping plates 62 are disposed on the third supporting beam and the rear baffle 182.

The outer wall of each first connecting shaft 63 is provided with a first concave clamping groove 65 around the circumference of the first connecting shaft 63, the outer wall of each second connecting shaft 64 is provided with a second concave clamping groove 66 around the circumference of the second connecting shaft 64, and the first clamping groove 65 and the second clamping groove 66 are annular. Correspondingly, two first notches 67 corresponding to the first clamping grooves 65 and matched with the first clamping grooves 65 are formed in the two clamping seats 61, two second notches 68 corresponding to the second clamping grooves 66 and matched with the second clamping grooves 66 are formed in the two second clamping plates 62, and the first clamping grooves 65 on the sound box 5 are clamped with the first notches 67, and the second clamping grooves 66 on the sound box 5 are clamped with the second notches 68 to limit and fix the two sides of the top and the two sides of the bottom of the sound box 5.

Both clamping seats 61 are horizontally arranged on the same horizontal plane, the inner side edges of both clamping seats 61 (i.e. the right side edge of the left clamping seat 61 and the left side edge of the right clamping seat 61) vertically extend downwards and are abutted against the top surface of the base 13, and the outer side edges of both clamping seats 61 (i.e. the left side edge of the left clamping seat 61 and the right side edge of the right clamping seat 61) extend outwards until reaching the top surface of the second main beam 12 on the corresponding edge, and are connected with the second main beam 12 through bolts so that a space is generated between the top of the clamping seat 61 and the top surface of the base 13 to be spaced. Preferably, the side edges of the two clamping seats 61 positioned on the inner side are vertically bent towards the outer side after being abutted against the bottom surface of the base 13, so that the supporting structure is further increased, and the stability is improved; and the front and back sides of the clamping seat 61 are integrally formed with support bars which are vertically bent and extended downwards, and the support bars are also propped against the top surface of the base 13, and after being propped against the top surface of the base 13, the two support bars are bent towards opposite sides to increase the support surface, so that the support stability of the clamping seat 61 is improved. The two first notches 67 of each clamping seat 61 are located on the top surface of the clamping seat 61 and are arranged towards the inner opening, so that the first notches 67 are arranged on one side of the inner side and are communicated with the upper side and the lower side, the first notches 67 are U-shaped, the maximum width of the first notches 67 in the front-back direction is larger than or equal to the diameter of the first clamping grooves 65 and smaller than the diameter of the first connecting shafts 63, the maximum distance between the two corresponding first notches 67 arranged oppositely is equal to the maximum horizontal distance between the two corresponding first connecting shafts 63 arranged oppositely, and therefore when the first clamping grooves 65 are clamped at the first notches 67, the first connecting shafts 63 cannot move in the vertical direction, and the first notches 67 on the two opposite clamping seats 61 limit the first connecting shafts 63 to move in the horizontal direction, so that the two sides of the bottom of the sound box 5 in the left-right direction are limited and fixed. And the interval of cassette 61 makes audio amplifier 5 use and produce vibrations and offsets vibrations behind the vibrations with base 13 top surface, and the setting of first connecting axle 63 weakens the vibrations that audio amplifier 5 brought through increasing the distance with base 13 to weaken the fastness between each connection that influences because of audio amplifier 5 vibrations.

The two clamping plates 62 are sheet-shaped, the top of the two clamping plates 62 extends upwards to the top surface of the second supporting beam 162, then horizontally extends to the top surface of the second supporting beam 162 towards the outer side, is fixedly connected with the second supporting beam 162 through bolts, the bottom sides of the two clamping plates 62 extend downwards, and the two second gaps 68 of the two clamping plates 62 are formed on the bottom side edges of the clamping plates 62 and are opened downwards, so that the second gaps 68 are downwards arranged in a penetrating manner in the left-right direction. The second notch 68 is U-shaped, the maximum distance in the front-rear direction of the second notch 68 is greater than or equal to the diameter of the second clamping groove 66 and less than the diameter of the second connecting shaft 64, the distance between every two corresponding second clamping grooves 66 which are oppositely arranged is equal to the distance between every two corresponding second notches 68 which are oppositely arranged, and the top point of the second notch 68 and the top point of the second clamping groove 66 are positioned on the same horizontal plane, so that when the second notch 68 is clamped in the second clamping groove 66, the second connecting shaft 64 cannot move in the vertical direction any more and cannot move in the left-right direction, thereby limiting the left-right direction, the front-rear direction, the up-down direction and fixing and limiting the top of the sound box 5, so that the sound box 5 is firmly connected to the main frame 1.

During installation, firstly, the clamping seat 61 is placed on the top surface of the base 13 and the clamping seat 61 is transversely pulled towards the outer side, so that the first notch 67 of the clamping seat 61 deviates towards the outer side from the position of the first connecting shaft 63, then the loudspeaker box 5 is arranged above the two clamping seats 61, the first notch 67 is clamped in the corresponding first clamping groove 65 by pushing the clamping seat 61 inwards until the four first notches 67 are clamped in the four first clamping grooves 65, the clamping seat 61 is connected with the second main beam 12 through bolts, the rear baffle 182 is installed on the rear side of the main frame 1, then the second notch 68 of the clamping plate 62 is aligned with the second clamping groove 66, so that the four second notches 68 are clamped in the four second clamping grooves 66, and the clamping plate 62 is connected with the second supporting beam 162 through bolts; and then the host 2 is arranged in the first installation space and is fixedly connected with the main frame 1 and the third supporting beam through bolts, the top side of the wire shielding cover 192 is fixedly connected with the host 2 through bolts, and the installation and the fixation of the host 2 and the loudspeaker box 5 are completed after the wire shielding cover 192 is connected with the main frame 1 through bolts.

The working mode of one embodiment of the song requesting device is as follows: when the portable electronic device is used, the power supply seat switch is turned on, the internal switching power supply of the host 2 and the power panel of the touch display 3 are powered on to work, the power supply is supplied to the main board and the display inside the host 2, the user can perform song requesting singing on the host 2 system through the touch display 3, the microphone is connected with the main board through the jack in front of the operation panel 171, when sound is played, an audio signal is transmitted to the sound box 5 through the main board to generate sound, and the LED and other boards can flash according to the currently played song.

Compared with the prior art, the song ordering device provided by the utility model has the advantages that the two sides of the top and the two sides of the bottom of the sound box are limited and fixed on the main frame 1, the connection stability between the sound box and the main frame 1 is improved, and the looseness of the connection structure of the sound box caused by the shaking of the vehicle body is avoided when the song ordering device is transported, so that the sound box is always positioned at the set position of the main frame 1, and the sound box 5 is prevented from being damaged.

Claims (10)

1. The utility model provides a song requesting device, includes the main frame, sets up audio amplifier and host computer in the main frame, sets up touch display that is used for showing the image of requesting song and is used for placing the support of microphone on the main frame front side respectively, audio amplifier and touch display all with host computer signal connection, its characterized in that: the main frame is provided with connecting components for limiting and fixing the sound box from the two sides of the top and the two sides of the bottom of the sound box.

2. The song ordering apparatus of claim 1, wherein: the left side and the right side of the main frame are gradually narrowed from bottom to top so that the main frame is wedge-shaped.

3. The song ordering apparatus of claim 2, wherein: the bottom of the main frame is provided with a base, and the bottom surface of the base is provided with universal wheels convenient to move and supporting feet convenient to support the main frame.

4. A song ordering apparatus according to claim 3, characterized in that: the middle part of main frame passes through the crossbeam and separates into the first installation space that is used for installing the host computer and is used for installing the second installation space of audio amplifier with main frame inside, coupling assembling sets up in the second installation space.

5. The song ordering apparatus according to claim 4, wherein: the beam comprises two first support beams symmetrically arranged on the left side and the right side of the main frame and two second support beams symmetrically arranged on the left side and the right side of the main frame, the first support beams and the second support beams are both positioned in the middle of the main frame in the vertical direction, the first support beams are positioned above the second support beams, a first installation space is positioned between the first support beams and the second support beams, and a second installation space is positioned between the second support beams and the base; the connecting assembly comprises clamping seats which are arranged on two non-adjacent sides of the top surface of the base and used for limiting and fixing two sides of the bottom of the sound box, and clamping plates which are arranged on two second supporting beams and used for limiting and fixing two sides of the top of the sound box.

6. The song ordering apparatus according to claim 5, wherein: the connecting assembly further comprises two groups of first connecting shafts which are vertically and fixedly arranged on two sides of the bottom of the sound box and respectively correspond to the two clamping seats, and two groups of second connecting shafts which are horizontally and fixedly arranged on two sides of the top of the sound box and respectively correspond to the two clamping plates, first concave clamping grooves are formed in the first connecting shafts around the circumference of the first connecting shafts, and first gaps which are in one-to-one correspondence with the first clamping grooves and used for being clamped in the first clamping grooves are formed in the clamping seats; the second connecting shafts are provided with second clamping grooves which are concave inwards around the circumference of the second connecting shafts, and the clamping plates are provided with second notches which are in one-to-one correspondence with the second clamping grooves and are used for being clamped in the second clamping grooves.

7. The song ordering apparatus according to claim 6, wherein: each group of the first connecting shafts and each group of the second connecting shafts are at least two; the two clamping seats are horizontally arranged, the inner side edges of the two clamping seats vertically extend downwards and are propped against the top surface of the base, and the outer side edges of the two clamping seats are connected to the main frame so that the top surface of the clamping seats is spaced from the top surface of the base; the first notch is arranged on the top surface of the clamping seat and is arranged towards the opening of the inner side, and the first clamping groove of the first connecting shaft is clamped at the first notch to limit the two sides of the bottom of the sound box.

8. The song ordering apparatus according to claim 7, wherein: the top side of two the cardboard is connected respectively in two second corbels, and the vertical downwardly extending of bottom side of two cardboard, and the second breach is seted up at cardboard bottom side and is towards the open setting of bottom side, with the second draw-in groove block of second connecting axle in second breach department restriction audio amplifier's top.

9. The song ordering apparatus according to claim 8, wherein: the front side of the main frame is provided with a front baffle plate, the front baffle plate is positioned below the touch display, the top of the front baffle plate extends to the front side of the host, and the front baffle plate is provided with a through hole for an operation button of the host to extend out of the front baffle plate so as to control the host; the rear side of the main frame is provided with a rear baffle, dust screens for blocking the sound box are respectively arranged on the left side and the right side of the main frame, and the front baffle, the rear baffle, the two dust screens, the base and the second supporting beam are jointly enclosed to form the second installation space.

10. The song ordering apparatus of claim 9, wherein: the front baffle is provided with an LED lamp panel, and the LED lamp panel is connected to the host in a signal mode.

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