CN211930802U

CN211930802U - Portable sound box mainboard with USB HUB function

Info

Publication number: CN211930802U
Application number: CN202020629058.3U
Authority: CN
Inventors: 黄建平
Original assignee: Shenzhen Tianxing Chuangzhan Electronics Co ltd
Current assignee: Shenzhen Tianxing Chuangzhan Electronics Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-13
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to an audio amplifier mainboard technical field just discloses portable audio amplifier mainboard of taking USB HUB function, the upper surface front side fixed mounting of audio amplifier mainboard has HUB interface and USB interface, and four corners of audio amplifier mainboard have all seted up the locating hole, it has the protection against touch device to peg graft in the inside of locating hole, the rear side of HUB interface and USB interface and have the extension groove at the top fixed mounting of audio amplifier mainboard, and the equal fixed mounting in the left and right sides of HUB interface and USB interface has locking subassembly. Through the locating hole at four corners of audio amplifier mainboard, with through threaded connection and run through the locating hole between spliced pole and the elasticity post, the dust guard of spliced pole top installation, simultaneously in audio amplifier mainboard both sides connect the inside block of touching of pegging graft of hole, make somebody a mere figurehead the audio amplifier mainboard, through the mainboard prevent touching the device that sets up all around, the inside gas mobility of audio amplifier mainboard has been strengthened, touch between mainboard and other chips has been avoided, prevent to cause the performance influence to the mainboard inside.

Description

Portable sound box mainboard with USB HUB function

Technical Field

The utility model relates to an audio amplifier mainboard technical field specifically is portable audio amplifier mainboard of taking USB HUB function.

Background

The main board of sound box is the main part of sound box, on which the main circuit system for forming sound box is mainly mounted, it contains main chip, audio amplification chip, power supply chip and wire connectors of all the parts, and the typical main board of sound box can provide a series of joints, and possesses various USB HUB ports for connecting with external equipments or using circuit.

Present audio amplifier mainboard in the interface more, be connected the back with external equipment, the interface is inseparable enough, appears becoming flexible easily when carrying or carrying, delays normal operating to in the inside of audio amplifier, the mainboard contacts with other chips easily, can seriously influence the working property of mainboard, we propose the portable audio amplifier mainboard of taking USB HUB function in order to solve above problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a portable audio amplifier mainboard of taking USB HUB function is reached by following specific technological means:

portable audio amplifier mainboard of taking USB HUB function, including audio amplifier mainboard, HUB interface, USB interface, locating hole and extension groove, audio amplifier mainboard's upper surface front side fixed mounting has HUB interface and USB interface, and four corners of audio amplifier mainboard have all seted up the locating hole, the inside of locating hole is pegged graft and is had the protection and touch the device, the rear side of HUB interface and USB interface and have the extension groove in the top fixed mounting of audio amplifier mainboard, and the equal fixed mounting in the left and right sides of HUB interface and USB interface has locking subassembly.

Locking subassembly includes the fixed block, leads to groove, punch holder, lower plate and stretch-draw spring, punch holder and lower plate slidable mounting are in the inside that leads to the groove, and the lower surface of punch holder and the last fixed surface of lower plate install stretch-draw spring, lead to the groove and set up the inboard at the fixed block, the fixed block is fixed mounting respectively in the left and right sides of USB interface and HUB interface.

As optimizing, the size of the upper clamping plate and the size of the lower clamping plate are matched, the upper clamping plate and the lower clamping plate are symmetrically arranged up and down by taking the center of the through groove as a standard, the through groove and the fixing block are of an integrated forming structure, and the clamping plate clamps the external interface to prevent looseness.

As optimization, the device is touched in the defence includes insulating pad, spliced pole, elasticity post, dust guard, connects the hole and prevents touching the piece, there is the spliced pole on the top of elasticity post through threaded connection, the junction of elasticity post and spliced pole is pegged graft in the inside of locating hole, the dust guard is installed on the top of spliced pole, the bottom fixed mounting of elasticity post has insulating pad, the left and right sides surface of audio amplifier mainboard has all been seted up and has been connected the hole, it has the piece of preventing touching to peg graft in the inside that connects the hole.

As optimization, the diameter of the connecting column is matched with that of the elastic column, the connecting column and the elastic column are both of cylindrical structures, the size of the insulating pad is matched with that of the elastic column, and the elastic column is supported and erected between the main board and the chip to prevent contact.

As optimization, elastic column fixed mounting is in four corners in the bottom of dust guard, insulating pad is the rubber material component, insulating pad plays the effect of protecting other chips when preventing the contact.

The utility model discloses possess following beneficial effect:

1. this portable audio amplifier mainboard of taking USB HUB function, through the locating hole at four corners of audio amplifier mainboard, with through threaded connection and run through the locating hole between spliced pole and the elastic column, the dust guard of spliced pole top installation, simultaneously in audio amplifier mainboard both sides connect the inside block of touching of preventing of pegging graft of hole, make somebody a mere figurehead with the audio amplifier mainboard is whole, through the mainboard prevent touching the device that sets up all around, the inside gas flow nature of audio amplifier mainboard has been strengthened, avoided touching between mainboard and other chips, prevent to cause the performance influence to the mainboard is inside.

2. This portable audio amplifier mainboard of taking USB HUB function utilizes the fixed block of the left and right sides installation of USB interface and HUB interface, and the logical groove that the top inner wall of fixed block was seted up leads to the inside slidable mounting's of groove punch holder and lower plate, and the stretch-draw spring of the opposite face installation of adjacent splint connects the inside at punch holder with external interface card, has effectively solved the not hard up problem of audio amplifier mainboard and external equipment kneck.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of the structure related to the middle anti-touch device of the present invention.

Fig. 3 is a perspective view of the related structure of the middle anti-loose assembly of the present invention.

In the figure: 1. a sound box main board; 2. a HUB interface; 3. a USB interface; 4. positioning holes; 5. an expansion slot; 6. a locking assembly; 7. a fixed block; 8. a through groove; 9. an upper splint; 10. a lower splint; 11. tensioning the spring; 12. a touch prevention device; 13. an insulating pad; 14. connecting columns; 15. an elastic column; 16. a dust-proof plate; 17. connecting holes; 18. and (4) a contact prevention block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a portable sound box main board with USB HUB function includes a sound box main board 1, a HUB interface 2, a USB interface 3, a positioning hole 4 and an expansion slot 5, the front side of the upper surface of the sound box main board 1 is fixedly installed with the HUB interface 2 and the USB interface 3, four corners of the sound box main board 1 are all opened with the positioning hole 4, the inside of the positioning hole 4 is inserted with a touch-proof device 12, the rear side of the HUB interface 2 and the USB interface 3 is fixedly installed with the expansion slot 5 above the sound box main board 1, and the left and right sides of the HUB interface 2 and the USB interface 3 are both fixedly installed with a locking assembly 6, the locking assembly 6 includes a fixing block 7, a through slot 8, an upper clamp plate 9, a lower clamp plate 10 and a tension spring 11, the upper clamp plate 9 and the lower clamp plate 10 are slidably installed inside the through slot 8, the size of the upper clamp plate 9 is matched with the size of the lower clamp plate 10, and the upper clamp plate 9 and the lower clamp, and the lower surface of punch holder 9 and the last fixed surface of lower plate 10 install tension spring 11, lead to groove 8 and set up in the inboard of fixed block 7, lead to groove 8 and fixed block 7 and be the integrated shaping structure, fixed block 7 respectively fixed mounting in the left and right sides of USB interface 3 and HUB interface 2, will stretch out and draw between spring 11 and punch holder 9, the lower plate 10 tightly to outside kneck, the interface is not hard up when preventing to carry.

Wherein, the anti-touch device 12 comprises an insulating pad 13, a connecting column 14, an elastic column 15, a dust guard 16, a connecting hole 17 and an anti-touch block 18, the top end of the elastic column 15 is connected with the connecting column 14 through a thread, the joint of the elastic column 15 and the connecting column 14 is inserted in the positioning hole 4, the diameter of the connecting column 14 is matched with that of the elastic column 15, and spliced pole 14 and elastic column 15 are the cylinder structure, dust guard 16 is installed on the top of spliced pole 14, elastic column 15 fixed mounting is in four corners in the bottom of dust guard 16, insulating pad 13 is the rubber material component, the bottom fixed mounting of elastic column 15 has insulating pad 13, the left and right sides surface of audio amplifier mainboard 1 has all been seted up and has been connect hole 17, it has anti-touch multitouch 18 to connect the inside grafting of hole 17, the size of insulating pad 13 and the size looks adaptation of elastic column 15, insulating pad 13 plays the effect on protection other chip surfaces when preventing to contact.

Before the loudspeaker box main board is used, the connecting column 14 and the elastic column 15 are connected through threads and penetrate through the positioning hole 4 at the corner of the loudspeaker box main board 1, the top end of the connecting column 14 is installed at the corner of the bottom of the dustproof plate 16, meanwhile, the anti-touch block 18 is inserted into the connecting holes 17 at the two sides of the loudspeaker box main board 1, after the loudspeaker box main board is installed, the loudspeaker box main board 1 is installed into a whole body, the gas flowability inside the loudspeaker box main board 1 is enhanced, the fixing blocks 7 installed at the left side and the right side of the USB interface 3 and the HUB interface 2, the through groove 8 formed in the inner wall of the top end of the fixing block 7, the upper clamping plate 9 and the lower clamping plate 10 which are installed in a sliding mode are arranged inside the through groove 8, the tensioning springs 11 installed on the upper and lower opposite surfaces between the adjacent clamping plates are used for clamping the, the mainboard is prevented from being touched with other chips, and performance influence on the inside of the mainboard is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. Portable audio amplifier mainboard of taking USB HUB function, including audio amplifier mainboard (1), HUB interface (2), USB interface (3), locating hole (4) and extension groove (5), its characterized in that: the front side of the upper surface of the sound box main board (1) is fixedly provided with a HUB interface (2) and a USB interface (3), positioning holes (4) are formed in four corners of the sound box main board (1), an anti-touch device (12) is inserted into the positioning holes (4), expansion grooves (5) are fixedly arranged on the rear sides of the HUB interface (2) and the USB interface (3) and above the sound box main board (1), and anti-loose components (6) are fixedly arranged on the left side and the right side of the HUB interface (2) and the USB interface (3);

locking subassembly (6) are including fixed block (7), lead to groove (8), punch holder (9), lower plate (10) and stretch-draw spring (11), punch holder (9) and lower plate (10) slidable mounting are in the inside that leads to groove (8), and the lower surface of punch holder (9) and the last fixed surface of lower plate (10) install stretch-draw spring (11), lead to groove (8) and set up the inboard in fixed block (7), fixed block (7) fixed mounting is the left and right sides at USB interface (3) and HUB interface (2) respectively.

2. The portable sound box mainboard with the USB HUB function according to claim 1, characterized in that: the size of punch holder (9) and the size looks adaptation of lower plate (10), and punch holder (9) and lower plate (10) use the center that leads to groove (8) as the accurate symmetry setting from top to bottom that is, lead to groove (8) and fixed block (7) formula structure as an organic whole.

3. The portable sound box mainboard with the USB HUB function according to claim 1, characterized in that: prevent touching device (12) including insulating pad (13), spliced pole (14), elastic column (15), dust guard (16), connect hole (17) and prevent touching piece (18), there is spliced pole (14) on the top of elastic column (15) through threaded connection, peg graft in the inside of locating hole (4) the junction of elastic column (15) and spliced pole (14), dust guard (16) are installed on the top of spliced pole (14), the bottom fixed mounting of elastic column (15) has insulating pad (13), connect hole (17) have all been seted up on the surface of the left and right sides of audio amplifier mainboard (1), the inside grafting that connects hole (17) has prevents touching piece (18).

4. The portable sound box mainboard with the USB HUB function according to claim 3, characterized in that: the diameter of the connecting column (14) is matched with that of the elastic column (15), the connecting column (14) and the elastic column (15) are both of cylindrical structures, and the size of the insulating pad (13) is matched with that of the elastic column (15).

5. The portable sound box mainboard with the USB HUB function according to claim 3, characterized in that: elastic columns (15) are fixedly installed at four corners of the bottom of the dustproof plate (16), and the insulating pad (13) is a rubber component.