CN209517484U

CN209517484U - A kind of back structure with surround sound Baffle Box of Bluetooth

Info

Publication number: CN209517484U
Application number: CN201920656628.5U
Authority: CN
Inventors: 唐冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2019-10-18
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a kind of back structures with surround sound Baffle Box of Bluetooth, including chair back ontology, Baffle Box of Bluetooth, chair back ontology includes head rest, backrest, connecting plate, connecting plate is connect with seat, and backrest is integrally serpentine structure, is equipped with trapezoidal support plate in the middle part of backrest, the two sides of backrest are equipped with the arc crimping for encircling user waist, head rest is integrally C-shaped globoidal structure, and the extrados of head rest is close at user's neck, and Baffle Box of Bluetooth is affixed on chair back ontology.A kind of back structure with surround sound Baffle Box of Bluetooth described in the utility model, its is structurally reasonable, have many advantages, such as that structure is simple, easy to use, audibility is good, at low cost easy to spread, how effectively solve the problem of neither influences other people when watching film, appreciating music or play game can experience high-quality audio again.

Description

A kind of back structure with surround sound Baffle Box of Bluetooth

Technical field

The utility model relates to field of sanitary equipment, more particularly, to a kind of chair back knot with surround sound Baffle Box of Bluetooth Structure.

Background technique

Cell-phone function is stronger and stronger, is just gradually getting rid of dependence of the people to computer, more and more people using mobile phone into Row business relations watches film, appreciates music or game.For that can allow user that can also obtain better auditory effect when moving, The dependence to line is got rid of, desktop wireless Baffle Box of Bluetooth industry and bluetooth headset industry are grown rapidly.But blue using desktop When tooth speaker, seat and speaker, which are separated from each other, is independently visited, and speaker itself cannot be moved with the movement of spectators, when with When the shift position of family, it is also desirable to which mobile with speaker, otherwise speaker voice directions fixation causes audibility to have a greatly reduced quality, can not Reach around audio, will affect other people if sound is excessive, although and perfection can be experienced when using wireless Bluetooth headsets Sound quality, although not influencing other people when use can not link up with other people, listening period is too long will also result in it is uncomfortable, in order to It obtains perfect audio and avoids disadvantage mentioned above, international audio industry giant BOSE takes the lead in releasing wearable extension neck wireless blue tooth Speaker SOUNDWEAR companion (sound dresses companion), subsequent sony also releases the unlimited bluetooth sound of SRS-WS1 neck hanging type Case, user, which will pay, thus bears the cost of an additional speaker weight to appreciate music on neck.The excellent of this product lacks Point is it is clear that if continuation of the journey is bigger, and sound quality is more preferable, then the weight for needing to bear is also bigger, and manufacturer can only be between this contradiction Find a balance.At present in known technology, also enforceable method is not had to solve this problem, it is therefore necessary to design one Kind has the back structure of surround sound Baffle Box of Bluetooth.

Summary of the invention

Technical problem to be solved by the utility model is: above-mentioned in order to solve the problems, such as, providing one kind has The back structure of surround sound Baffle Box of Bluetooth, it is structurally reasonable, with structure is simple, easy to use, audibility is good, at low cost easy In promote the advantages that, effectively solve how watch film, appreciate music or play game when, neither influencing other people can experience again The problem of high-quality audio.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of chair with surround sound Baffle Box of Bluetooth Back structure, including chair back ontology, Baffle Box of Bluetooth, the chair back ontology include the head rest, backrest, company set gradually from top to bottom Fishplate bar, the connecting plate are connect with seat, and backrest is integrally serpentine structure, are equipped with trapezoidal engraved structure in the middle part of backrest, are leaned on The two sides of back are equipped with the arc crimping for encircling user waist, and head rest is integrally C-shaped globoidal structure, and the extrados of head rest is close to At user's neck, the upper end intrados of backrest is connect towards user and with head rest, and the lower end extrados direction of backrest uses Person simultaneously connect with connecting plate, and chair back ontology is integrally wrapped up with meshed cloth；The Baffle Box of Bluetooth is that bolt passes through Bolt hole is fixed on backrest upper end extrados side, and there are three sound transmission aperture apertures setting with Baffle Box of Bluetooth junction for chair back ontology；

The Baffle Box of Bluetooth include first shell, second shell, key buckle, be close to the mounting plate of head rest, wiring board, Two loudspeakers, loudspeaker limit plate, a tweeters diaphragmse, bracket and rechargeable lithium battery；The first shell, second Shell all has half elliptic spherical shell structure, and wherein first shell is arranged on the spherical outside surface of second shell, in second shell It is additionally provided with through slot, key buckle is connected in through slot；

The mounting plate has the identical shape with second shell opening, and is connected with each other with second shell, second shell Along the first bulge loop is above provided with, second shell is additionally provided with the second bulge loop in the first bulge loop, is arranged on mounting plate body opening edge There is the third bulge loop with the fastening of the second bulge loop, second shell, mounting plate, the second bulge loop, third bulge loop surround a sound chamber jointly, And tweeters diaphragmse sound chamber opening is provided in the middle part of mounting plate, tweeters diaphragmse is provided in tweeters diaphragmse sound chamber opening；

Both ends in the mounting plate third bulge loop are symmetrically arranged with two sound horn holes, and the middle part of mounting plate is equipped with bracket Mounting base；The sounding end of described two loudspeakers is abutted with sound horn hole respectively, and the other end of two loudspeakers is each passed through Circular hole on loudspeaker limit plate, and the both ends of loudspeaker limit plate are fixedly connected respectively by loudspeaker to mounting plate with mounting plate It compresses；

The bracket is mounted in bracket mounting base, and bracket is equipped with battery compartment, and chargeable lithium electricity is equipped in battery compartment Pond；The wiring board is fixedly connected with mounting plate, and control button is welded on key buckle by electric iron, control button bottom Integrated pushbutton on portion's salient point corresponding line plate is additionally provided with connectivity port and bluetooth indicator light, connectivity port on wiring board It is stretched out including audio port and charge port and respectively from key buckle.

Further, the head rest, backrest, connecting plate are integral structures.

Further, the Internal Spherical Surface of the first shell is equipped with connecting column, is provided with connecting tube in second shell, connects Column protrudes into connection tube cavity and is mutually clamped.

Further, heat release hole is additionally provided on the mounting plate.

Further, connecting hole is additionally provided in the second shell, bluetooth indicator light protrudes into connecting hole, while bluetooth Indicator light cooperates with connecting hole for positioning.

Further, the bracket is the frame structure that bottom is rectangle, and bracket is equipped with semicircle battery compartment, battery The rechargeable lithium battery being electrically connected with route plate electrode is equipped in storehouse.

Further, the bracket is mounted in bracket mounting base, and for the ease of installation, bracket mounting base is by convex Collar at the rectangular configuration being adapted to frame bottom.

Further, side is equipped with around its edge for limiting loudspeaker sounding end pendulum inwardly in the sound horn hole Dynamic stop collar.

The beneficial effects of the utility model are: a kind of back structure with surround sound Baffle Box of Bluetooth, including chair back ontology And Baffle Box of Bluetooth, chair back ontology are related to according to ergonomics, are bonded the body contour of user, enhance the comfortable of user Sense.Twin loudspeaker and tweeters diaphragmse in Baffle Box of Bluetooth are placed in chair back rear portion, when user is leaned against on chair, lower head and shoulder One range space of wing top self-assembling formation, when playing music, music are transmitted to the generation of this range space through the chair back and mix It rings effect and around audio, when playing mega bass mode music, bass vibration can be transmitted to user through the chair back and entirely carry on the back Portion can also experience the effect of live music, while this volume is completely not even if adjusting volume to the state of very little completely Other people are influenced, this designing points is that all desktop Baffle Box of Bluetooth and wireless Bluetooth headsets are incomparable on the market, while blue Tooth speaker and the chair back be it is integrated, when chair is mobile, can continue to keep around audio；Its is structurally reasonable, simple with structure, Easy to use, the advantages that audibility is good, at low cost easy to spread, effectively solve how in viewing film, appreciate music or object for appreciation When game, the problem of high-quality audio can be experienced by neither influencing other people again.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a kind of overall structure diagram of back structure with surround sound Baffle Box of Bluetooth described in the utility model (chair back rear portion)；

Fig. 2 is a kind of chair back body construction signal of back structure with surround sound Baffle Box of Bluetooth described in the utility model Scheme (chair back front)；

Fig. 3 is a kind of Baffle Box of Bluetooth backside structure of back structure with surround sound Baffle Box of Bluetooth described in the utility model Schematic diagram；

Fig. 4 is a kind of Baffle Box of Bluetooth Facad structure of back structure with surround sound Baffle Box of Bluetooth described in the utility model Schematic diagram；

Fig. 5 is whole inside a kind of Baffle Box of Bluetooth of back structure with surround sound Baffle Box of Bluetooth described in the utility model Structural schematic diagram；

Fig. 6 is that a kind of Baffle Box of Bluetooth of back structure with surround sound Baffle Box of Bluetooth described in the utility model integrally decomposes Structural schematic diagram；

Fig. 7 is a kind of second shell structural representation of back structure with surround sound Baffle Box of Bluetooth described in the utility model Figure；

Fig. 8 is a kind of mounting plates structure signal of back structure with surround sound Baffle Box of Bluetooth described in the utility model Figure.

Attached drawing acceptance of the bid note is described below:

1, chair back ontology, 10, trapezoidal engraved structure, 11, backrest, 111, arc crimping, 112, sound transmission aperture aperture, 12, head It leans on, 13, connecting plate, 2, Baffle Box of Bluetooth, 20, bolt hole, 21, first shell, 211, connecting column, 22, second shell, 221, connection Pipe, 222, through slot, the 223, first bulge loop, the 224, second bulge loop, 225, connecting hole, the 226, first screw hole, 23, key buckle, 231, connectivity port, 232, control button, 233, bluetooth indicator light, 24, mounting plate, 241, heat release hole, 242, tweeters diaphragmse sound Chamber opening, 243, sound horn hole, 244, third bulge loop, 245, bracket mounting base, 246, stop collar, 247, tweeters diaphragmse, 248-1, the second screw hole, 248-2, third screw hole, 248-3, the 4th screw hole, 249, microphone sound hole, 25, wiring board, 26, loudspeaker, 27, loudspeaker limit plate, 28, bracket, 29, rechargeable lithium battery.

Specific embodiment

The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.

A kind of back structure with surround sound Baffle Box of Bluetooth as shown in Figures 1 to 8, including chair back ontology 1, bluetooth sound Case 2, the chair back ontology 1 include head rest 12, backrest 11, the connecting plate 13 set gradually from top to bottom, the connecting plate 13 be to be connect by the steel plate of customization with seat, and whole backrest 11 is serpentine structure, is equipped with trapezoidal engraved structure in the middle part of backrest 11 10, the two sides of backrest 11 are equipped with the radian for encircling user back, and the arc crimping 111 of waist provides enough waists to user Portion's support avoids lumbar strain, and head rest 12 is whole to be C-shaped globoidal structure, and the extrados of head rest 12 is close at user's neck, The upper end intrados of backrest 11 connect that (structure exists between user's body when in use towards user and with head rest 12 Space, forms range space when broadcasting, and when broadcasting generates reverberation effect), the lower end extrados of backrest 11 towards user and with Connecting plate 13 connects, and chair back ontology 1 is integrally wrapped up with meshed cloth, and trapezoidal engraved structure 10 makes the entire chair back more easypro It is suitable ventilative.

The Baffle Box of Bluetooth 2, which is bolt, is fixed on 11 upper end extrados side of backrest by bolt hole 20, by chair back sheet Foreboard of the body 1 as Baffle Box of Bluetooth 2, chair back ontology 1 are set with 2 junction of Baffle Box of Bluetooth there are three sound transmission aperture aperture 112.Bluetooth 22 opening edge of the second shell edge of speaker 2 is above provided with the first bulge loop 223 and is just bonded completely with the chair back.

The Baffle Box of Bluetooth 2 includes first shell 21, second shell 22, key buckle 23, the installation for being close to head rest 12 Plate 24,25, two loudspeakers 26 of wiring board, 27, tweeters diaphragmses 247 of loudspeaker limit plate, bracket 28 and chargeable lithium Battery 29；The first shell 21, second shell 22 all have half elliptic spherical shell structure, and wherein first shell 21 is setting On the spherical outside surface of second shell 22, it is additionally provided with through slot 222 in second shell 22, key buckle 23 is connected in through slot 222.

The mounting plate 24 has to be open identical shape with second shell 22, i.e., mounting plate 24 is that have ellipse knot The plate of structure, 22 opening edge of second shell edge are above provided with the first bulge loop 223, mounting plate 24 and the first of the opening of second shell 22 Bulge loop internal ring wall is mutually fastened and connected, i.e., mounting plate 24 is whole buckles into the opening of second shell 22.

Second shell 22 is additionally provided with the second bulge loop 224 in the first bulge loop 223, be provided on mounting plate 24 with it is second convex The third bulge loop 244 that ring 224 fastens, second shell 22, mounting plate 24, the second bulge loop 224, third bulge loop 244 surround one jointly A closed sound chamber, and tweeters diaphragmse sound chamber opening 242 is provided in the middle part of mounting plate 24, it is set in tweeters diaphragmse sound chamber opening 242 It is equipped with tweeters diaphragmse 247, the effect of tweeters diaphragmse 247 is to play supper bass effect.

The second shell 22 is equipped with several first screw holes 226, is provided with and the first screw hole 226 on mounting plate 24 To the second positive screw hole 248-1, bolt by second shell 22 and is installed by the first screw hole 226, the second screw hole 248-1 Plate 24 is fixedly connected.

Both ends in the third bulge loop 244 of the mounting plate 24 are symmetrically arranged with two sound horn holes 243, mounting plate 24 Middle part is equipped with bracket mounting base 245, and bracket mounting base 245 is equipped with the 4th screw hole 248-3；The hair of described two loudspeakers 26 Sound end is abutted with sound horn hole 243 respectively, and the other end of two loudspeakers 26 is each passed through the circle on loudspeaker limit plate 27 Hole, and the both ends of loudspeaker limit plate 27 are fixedly connected with mounting plate 24 compress loudspeaker 26 to mounting plate 24 respectively；One In kind possible embodiment, when installation of two loudspeakers 26, surrounds user, and the intersection point of the equal direction in sounding end falls in user With, in this way, while two loudspeakers 26 play audio to user respectively, the intracavitary sound for generating a direction of sound Source, the source of sound in three directions is around user, so that audio is more preferably.

Tweeters diaphragmse sound chamber opening 242 and two sound horn holes 243 during installation, respectively with three on chair back ontology 1 A sound transmission aperture aperture 112 forms a range space when something or somebody to fall back on to just between body and the chair back, when broadcasting generates reverberation effect, 1 entire surface of chair back ontology covers the cloth with mesh, and cloth plays a role in filtering, so that sound quality is more preferably pure.

The bracket 28 is mounted in bracket mounting base 245, and bracket 28 is equipped with battery compartment, and being equipped in battery compartment can fill Electric lithium battery 29；The wiring board 25 is fixedly connected with mounting plate 24, is being installed by bolt and setting Wiring board 25 is fixed on mounting plate 24 by the third screw hole 248-2 on plate 24.

The control button 232 is welded on key buckle 23 by electric iron, and 232 bottom salient point of control button is corresponding Integrated pushbutton on wiring board 25 can be set or connect the operation such as equipment, Switching Power Supply by pressing control button 232. Connectivity port 231 and bluetooth indicator light 233 are additionally provided on wiring board 25, connectivity port 231 includes audio port and charge port And it is stretched out respectively from key buckle 23.

In one embodiment, the head rest 12, backrest 11, connecting plate 13 are integral structures.

In alternatively possible embodiment, the head rest 12, backrest 11, connecting plate 13 are segmental structures, pass through set Pipe is mutually arranged connection.

In one embodiment, the Internal Spherical Surface of the first shell 21 is equipped with connecting column 211, is arranged in second shell 22 There is connecting tube 221, connecting column 211 protrudes into 221 inner cavity of connecting tube and is mutually clamped.

In alternatively possible embodiment, 21 Internal Spherical Surface of first shell is by way of stickup and outside second shell 22 Spherical surface connection.

In one embodiment, it is additionally provided with heat release hole 241 and microphone sound hole 249 on the mounting plate 24, radiated Hole 241 is used for the heat dissipation of equipment, and microphone sound hole 249 is used for the installation and radio reception of microphone.

In one embodiment, the wiring board 25 supports 4.2 versions, and 10 meters of wireless transmission distances are (accessible Object), TI digital power amplifier and DSP audio are supported to play lossless music, 2.1 power amplifier effect of analog, at DSP digital audio Reason technology, finer and smoother compared to traditional simulation frequency dividing, sound quality is more outstanding.It is charged using micro interface.

In one embodiment, the loudspeaker 26 is that double magnetic horns, specification are 4 Europe 5 to 16 core of magnetic by force in 1.5 cun of circles Watt, stability is excellent, and clarity is good, reduces distortion.

In one embodiment, the model of the rechargeable lithium battery 29 is 18650 rechargeable lithium batteries, specification 3.7V Battery capacity 2500mA, high capacity cell can guarantee that battery life is greater than 1000 charge and discharges continuation of the journey 8 hours or more with typical problem Electricity.

In one embodiment, for the tweeters diaphragmse 247 having a size of 50mmX90mm, bass film centre is that 0.9mm is stainless Steel plate, the full iron frame structure of whole edge covering band, greatly enhances stability, bass effect is excellent.

In one embodiment, it is additionally provided with connecting hole 225 in the second shell 22, bluetooth indicator light 233 protrudes into Connecting hole 225, bluetooth indicator light 233 pass through the working condition of luminous prompting Baffle Box of Bluetooth 2, and connecting hole 225 is through-hole thus, together When bluetooth indicator light 233 cooperate with connecting hole 225 for positioning, be easily installed.

In one embodiment, the bracket 28 is the frame structure that bottom is rectangle, and tweeters diaphragmse 247 is placed on branch In frame mounting base 245, bracket 28 is pressed in tweeters diaphragmse 247, the screw hole location and the 4th on bottom that screw passes through bracket 28 Screw hole 248-3 is fixed on tweeters diaphragmse 247 in the position of bracket mounting base 245.

The upper end of the bracket 28 is equipped with the battery compartment for being used to dispose rechargeable lithium battery 29 of semicircular structure, chargeable The electrode of the power supply line connection line plate 25 of lithium battery 29, after mounting plate 24 and the connection of second shell 22, battery is just by firmly Be fixed between 28 battery compartment of second shell 22 and bracket, be highly convenient for installing and playing the effect of multi-purpose content.

In one embodiment, side is equipped with around its edge for limiting loudspeaking inwardly in the sound horn hole 243 The stop collar 246 that 26 sounding end of device is swung, prevents loudspeaker from shifting.

A kind of back structure with surround sound Baffle Box of Bluetooth described in the utility model, including chair back ontology and bluetooth Speaker, chair back ontology are related to according to ergonomics, are bonded the body contour of user, enhance the comfort of user.Bluetooth Twin loudspeaker and tweeters diaphragmse in speaker are placed in chair back rear portion, when user is leaned against on chair, lower head and shoulder top One range space of self-assembling formation, when playing music, music are transmitted to this range space through the chair back and generate reverberation effect And around audio, when playing mega bass mode music, bass vibration can be transmitted to the entire back of user through the chair back, even if Volume is adjusted to the state of very little, can also experience the effect of live music completely, while this volume does not influence him completely People, this designing points are that all desktop Baffle Box of Bluetooth and wireless Bluetooth headsets are incomparable on the market, while Baffle Box of Bluetooth Be with the chair back it is integrated, when chair is mobile, can continue to keep around audio；Its is structurally reasonable, the simple, user with structure Just, the advantages that audibility is good, at low cost easy to spread effectively solves how when watching film, appreciating music or play game, The problem of high-quality audio can be experienced by neither influencing other people again.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims

1. a kind of back structure with surround sound Baffle Box of Bluetooth, it is characterized in that: including chair back ontology (1), Baffle Box of Bluetooth (2), The chair back ontology (1) includes the head rest (12), backrest (11), connecting plate (13) set gradually from top to bottom, the company Fishplate bar (13) is connect with seat, and backrest (11) is integrally serpentine structure, is equipped with trapezoidal engraved structure in the middle part of backrest (11) (10), the two sides of backrest (11) are equipped with the arc crimping (111) for encircling user waist, and head rest (12) is integrally C-shaped cambered surface Structure, the extrados of head rest (12) are close at user's neck, and the upper end intrados of backrest (11) is towards user and and head rest (12) it connects, the lower end extrados of backrest (11) is connect towards user and with connecting plate (13), and chair back ontology (1) is had The cloth of mesh integrally wraps up；The Baffle Box of Bluetooth (2) is that bolt is fixed on outside backrest (11) upper end by bolt hole (20) Cambered surface side, chair back ontology (1) are set with Baffle Box of Bluetooth (2) junction there are three sound transmission aperture aperture (112)；

The Baffle Box of Bluetooth (2) includes first shell (21), second shell (22), key buckle (23), is close to head rest (12) Mounting plate (24), wiring board (25), two loudspeakers (26), loudspeaker limit plate (27), a tweeters diaphragmse (247), branch Frame (28) and rechargeable lithium battery (29)；The first shell (21), second shell (22) all have half elliptic spherical shell Structure, wherein first shell (21) is arranged on the spherical outside surface of second shell (22), is additionally provided in second shell (22) logical Slot (222), through slot (222) is interior to be connected with key buckle (23)；

The mounting plate (24) has the identical shape with second shell (22) opening, and mutually interconnects with second shell (22) It connects, second shell (22) opening edge along being above provided with the first bulge loop (223), go back in the first bulge loop (223) by second shell (22) Be provided with the second bulge loop (224), be provided on mounting plate (24) with the second bulge loop (224) fastening third bulge loop (244), second Shell (22), mounting plate (24), the second bulge loop (224), third bulge loop (244) surround a sound chamber jointly, and in mounting plate (24) middle part is provided with tweeters diaphragmse sound chamber opening (242), is provided with tweeters diaphragmse in tweeters diaphragmse sound chamber opening (242) (247)；

Both ends in the third bulge loop (244) of the mounting plate (24) are symmetrically arranged with two sound horn holes (243), mounting plate (24) middle part is equipped with bracket mounting base (245)；The sounding end of described two loudspeakers (26) respectively with sound horn hole (243) It abuts, the other end of two loudspeakers (26) is each passed through the circular hole on loudspeaker limit plate (27), and loudspeaker limit plate (27) both ends are fixedly connected with mounting plate (24) respectively compresses loudspeaker (26) to mounting plate (24)；

The bracket (28) is mounted on bracket mounting base (245), and bracket (28) is equipped with battery compartment, and being equipped in battery compartment can Charged lithium cells (29)；The wiring board (25) is fixedly connected with mounting plate (24), and control button (232) is welded by electric iron It connects on key buckle (23), the integrated pushbutton on control button (232) bottom salient point corresponding line plate (25), wiring board (25) On be additionally provided with connectivity port (231) and bluetooth indicator light (233), connectivity port (231) include audio port and charge port and It is stretched out respectively from key buckle (23).

2. a kind of back structure with surround sound Baffle Box of Bluetooth according to claim 1, it is characterized in that: the head rest (12), backrest (11), connecting plate (13) are integral structures.

3. a kind of back structure with surround sound Baffle Box of Bluetooth according to claim 1, it is characterized in that: the first shell The Internal Spherical Surface of body (21) is equipped with connecting column (211), is provided with connecting tube (221) in second shell (22), connecting column (211) is stretched Enter connecting tube (221) inner cavity and is mutually clamped.

4. a kind of back structure with surround sound Baffle Box of Bluetooth according to claim 1, it is characterized in that: the installation Heat release hole (241) are additionally provided on plate (24).

5. a kind of back structure with surround sound Baffle Box of Bluetooth according to claim 1, it is characterized in that: described second It is additionally provided on shell (22) connecting hole (225), bluetooth indicator light (233) protrudes into connecting hole (225), while bluetooth indicator light (233) cooperate with connecting hole (225) for positioning.

6. a kind of back structure with surround sound Baffle Box of Bluetooth according to claim 1, it is characterized in that: the bracket It (28) is frame structure that bottom is rectangle, bracket (28) is equipped with semicircle battery compartment, is equipped in battery compartment and wiring board (25) rechargeable lithium battery (29) that electrode is electrically connected.

7. a kind of back structure with surround sound Baffle Box of Bluetooth according to claim 6, it is characterized in that: the bracket (28) be mounted on bracket mounting base (245), for the ease of installation, bracket mounting base (245) be surrounded by bulge loop with branch The rectangular configuration of frame (28) bottom adaptation.

8. a kind of back structure with surround sound Baffle Box of Bluetooth according to claim 1, it is characterized in that: the loudspeaker Side is equipped with the stop collar (246) swung for limiting loudspeaker (26) sounding end around its edge to vocal hole (243) inwardly.