CN110636397A

CN110636397A - Simplify waterproof structure's waterproof bluetooth speaker

Info

Publication number: CN110636397A
Application number: CN201910900894.2A
Authority: CN
Inventors: 聂国强
Original assignee: Shenzhen City Yiboda Electronic Technology Co Ltd
Current assignee: Shenzhen City Yiboda Electronic Technology Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2019-12-31

Abstract

The invention discloses a waterproof Bluetooth sound box with a simplified waterproof structure, which comprises a cavity body, wherein the cavity body comprises a lower shell and an upper shell, the inner bottom wall of the lower shell is connected with a first PCB board through a bolt thread, two sides of the first PCB board are provided with two loudspeakers, the loudspeaker is connected with the inner bottom wall of the lower shell through a bolt thread, the inner side walls of the two sides of the lower shell are sleeved with passive radiators, a first sealing gasket is bonded on one side of the passive radiator close to the lower shell, threaded columns are symmetrically arranged at four corners inside the lower shell, the top of the connecting port is bonded with a second sealing gasket, the outer side wall of the upper shell is provided with an air leakage hole, the top bonding of disappointing hole has waterproof ventilated membrane, and lower casing and last casing are connected with the mode cooperation of closing the shell, and the assembly is simple, and is with low costs, and the mould can be shaped with simpler structure.

Description

Simplify waterproof structure's waterproof bluetooth speaker

Technical Field

The invention relates to the technical field of waterproof structures of Bluetooth sound boxes, in particular to a waterproof Bluetooth sound box with a simplified waterproof structure.

Background

The Bluetooth sound box is a built-in Bluetooth chip, replaces traditional sound equipment connected by wires by Bluetooth connection, and is connected with Bluetooth playing equipment such as a mobile phone tablet computer, a notebook computer and the like to achieve the purpose of convenience and rapidness, at present, the Bluetooth sound box is mainly a portable sound box, is generally small and portable in appearance, the Bluetooth sound box technology is gradually valued and accepted by consumers by virtue of the characteristics of convenience, common Bluetooth sound boxes in the market are monaural sound boxes (single speaker units), and simultaneously, multichannel sound boxes (two or more than two speaker units) with excellent sound quality are emerged, and along with the rapid development of the Bluetooth sound box, the shapes of the Bluetooth sound boxes are more and more abundant, in order to obtain better playing sound quality and use experience, passive radiators are arranged at two sides of the Bluetooth sound box, and one type is that the sound box is cut open from the middle, A/B shell materials of the sound box are locked together through screws, and then the passive radiator is fixed on the side face, but tolerance cannot be avoided to be generated due to injection molding or production reasons of the A/B shell materials, slight section difference exists when the A/B shell materials and the passive radiator are matched, gaps are easy to generate when the passive radiator is fixed on a plane with the section difference, and the waterproof performance is reduced; the other is that the cavity of the sound box is made into a complete main body, and openings at two ends are made into a passive radiator matching structure, so that the defect is that all components are assembled on the main body in a centralized manner, a PCBA, a battery, a loudspeaker and the like need to be assembled from the openings at two ends to the inside of the cavity, the cavity is often long and narrow, and the assembly is very inconvenient; if accessories such as PCBA and the like are assembled from the outside of the cavity, other plastic assembly parts are additionally designed to cover the components such as the PCBA, the battery and the like for water prevention, the quantity of the assembled components is greatly increased, and the production assembly period is prolonged; the cavity is because of assembling outside gadget from each direction, and the mould need be done from each face and go the position greatly and come the demolding, accomplishes 8 direction row positions at most, and the mould structure is extremely complicated, and production time is long, and precision is lower, for this reason, provides a waterproof bluetooth speaker who simplifies waterproof construction.

Disclosure of Invention

The invention aims to provide a waterproof Bluetooth sound box with a simplified waterproof structure, and aims to solve the problems of complicated structure, long assembly period and low precision in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a simplify waterproof structure's waterproof bluetooth speaker, includes the cavity, the cavity includes casing and last casing down, the inside diapire of casing has first PCB board through bolt threaded connection down, the both sides of first PCB board are equipped with two speakers, the speaker pass through bolt threaded connection in the inside diapire of casing down, passive radiator has all been cup jointed to the inside wall of casing both sides down, passive radiator bonds in one side of being close to casing down and has first sealed the pad, the mutual symmetry in inside four corners of casing is equipped with the screw thread post down, the connector has been seted up to the lateral wall of going up the casing, the top of connector bonds and has the sealed pad of second, the through-hole has been seted up to the mutual symmetry in four corners of going up the casing, the outer wall of going up the casing has seted up disappointing hole, the top in disappointing hole.

As further preferable in the present technical solution: the top of first PCB board is equipped with the battery, battery fixed connection in the inside diapire of casing down.

As further preferable in the present technical solution: the inner side wall of the upper shell, which is close to the upper portion of the connector, is hinged with an outer cover, the inner side wall of the connector is fixedly connected with a second PCB, and the outer side wall of the second PCB is fixedly connected with a USB interface and an audio interface respectively.

As further preferable in the present technical solution: go up the lateral wall of casing and inlayed the display screen, it is being close to go up the casing the lateral wall riveting of display screen top has control switch.

As further preferable in the present technical solution: the through holes are symmetrical to the threaded columns, and the number of the through holes is not less than four.

As further preferable in the present technical solution: the output end of the USB interface is electrically connected to the input end of the storage battery through a wire, and the output end of the storage battery is electrically connected to the input ends of the display screen and the loudspeaker through wires respectively.

As further preferable in the present technical solution: the upper shell covers the upper portion of the lower shell, and the upper shell penetrates through the through hole through a bolt and is fixedly connected with the bottom wall of the inner portion of the lower shell in a threaded mode.

As further preferable in the present technical solution: and the outer side wall of the cavity is sleeved with a protective sleeve.

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

the cavity is divided into an upper shell and a lower shell which are not equal, the two ends of the lower shell are kept integrally, the passive radiator is sleeved on the inner side wall of the lower shell, so that the tolerance and error of multiple matching can be effectively avoided, through holes formed in the four corners of the top of the upper shell are aligned with threaded columns in the four corners of the bottom of the lower shell, and bolts penetrate through the through holes and are in threaded connection with the threaded columns, so that the upper shell and the lower shell reach the optimal shell matching degree, meanwhile, only the upper shell and the lower shell are kept to be matched and sealed, dust or water is reduced from entering the cavity, the dust or dust particles and water can damage internal electrical elements or cause internal circuit short circuit, the water resistance and the dust resistance in the cavity are improved, and the sealing advantage of a complete main body is achieved;

two, accomplish the installation of the internal first PCB board of inferior valve and speaker, install the battery on first PCB board again, later with the part installation in the upper casing after, will go up the casing and pass through bolt and thread connection joint shell in the casing down, close the casing and accomplish the back and cup joint the protective sheath in the outside of last casing and lower casing, the increase closes the casing dynamics and also increases the leakproofness simultaneously, lower casing and last casing are connected with the mode cooperation of closing the casing, the assembly is simple, at the bottom of the cost, the mould can be fashioned with simpler structure, and the manufacturing cost is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the lower case of the present invention;

fig. 3 is a schematic structural diagram of the upper housing of the present invention.

In the figure: 1. a cavity; 2. a lower housing; 3. a threaded post; 4. a passive radiator; 5. a first gasket; 6. a first PCB board; 7. a speaker; 8. a storage battery; 9. an upper housing; 10. a second PCB board; 11. an audio interface; 12. a USB interface; 13. a connecting port; 14. a second gasket; 15. an air release hole; 16. a waterproof breathable film; 17. a through hole; 18. an outer cover; 19. a display screen; 20. a control switch; 21. and (6) a protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a simplify waterproof structure's waterproof bluetooth speaker, includes cavity 1, cavity 1 includes: the lower shell 2 and the upper shell 9, the inner bottom wall of the lower shell 2 is connected with a first PCB 6 through bolt threads, the position of the first PCB 6 at the bottom of the lower shell 2 is fixed and limited, so that an electric appliance in the lower shell 2 is connected through the first PCB 6, two speakers 7 are arranged at two sides of the first PCB 6, the speakers 7 convert internal electric signals into acoustic signals, the speakers 7 are connected with the inner bottom wall of the lower shell 2 through bolt threads, the positions of the speakers 7 can be effectively fixed and limited, the speakers 7 are prevented from generating vibration during working to cause displacement, the inner side walls at two sides of the lower shell 2 are sleeved with passive radiators 4, the tone quality of audio sent by the speakers 7 can be improved through the passive radiators 4, and two ends of the lower shell 2 keep unity through dividing the cavity 1 into the upper shell 9 and the lower shell 2 which are not equal, the passive radiator 4 is sleeved on the inner side walls at two ends of the lower shell 2, so that multiple matched tolerances and errors can be avoided, the passive radiator 4 is adhered with the first sealing gasket 5 at one side close to the lower shell 2, the sealing performance between the passive radiator 4 and the lower shell 2 can be improved through the first sealing gasket 5, water or dust is prevented from entering the cavity 1, the threaded columns 3 are symmetrically arranged at four corners inside the lower shell 2, the shell closing force between the upper shell 9 and the lower shell 2 can be improved through the threaded columns 3 and the through holes 17 through bolted connection, the whole sealing performance can be improved while the assembly process is simplified, the outer side wall of the upper shell 9 is provided with a connecting port 13, the top of the connecting port 13 is adhered with the second sealing gasket 14, the sealing performance between the connecting port 13 and the upper shell 9 can be improved through the second sealing gasket 14, dust or water can be effectively reduced and prevented from entering the cavity 1 through the connecting port 13, go up the mutual symmetry in four corners of casing 9 and seted up through-hole 17, the bolt runs through-hole 17 and carries out threaded connection with the inside screw thread post 3 of casing 2 down, makes and to go up casing 9 and casing 2 down between reach and close the shell, go up the lateral wall of casing 9 and seted up disappointing hole 15, the top of disappointing hole 15 bonds and has waterproof ventilated membrane 16, accomplishes the back with the whole equipment of bluetooth speaker, and the inside unnecessary gas of the 15 discharge cavities in the disappointing hole of accessible, the waterproof ventilated membrane 16 of bonding can effectually make disappointing hole 15 reach waterproof dirt-proof effect, also has ventilative effect simultaneously.

In this embodiment, specifically: the top of first PCB board 6 is equipped with battery 8, battery 8 fixed connection in the inside diapire of casing 2 down is battery 8 electric power storage through USB interface 12, and battery 8 is with electric energy storage, uses when needing, and battery 8 also improves required power for the inside electrical apparatus of cavity 1, and electrical apparatus wherein includes display screen 19 and speaker 7 etc..

In this embodiment, specifically: go up casing 9 and being close to the inside wall of connector 13 top articulates there is enclosing cover 18, the inside wall fixedly connected with second PCB board 10 of connector 13, the lateral wall of second PCB board 10 is fixedly connected with USB interface 12 and audio interface 11 respectively, can improve the inside leakproofness of cavity 1 through enclosing cover 18, USB interface 12 and audio interface 11 are also protected to enclosing cover 18 simultaneously, prevent that the extrusion or the collision that have the hard thing can lead to USB interface 12 and audio interface 11 to damage, audio interface 11 is used for when not having bluetooth output device, accessible audio interface 11 output audio frequency, USB interface 12 can connect the power supply when battery 8 exhausts for battery 8 charges the electric power storage.

In this embodiment, specifically: go up the lateral wall of casing 9 and inlayed display screen 19, the top of display screen 19 is provided with fixed connection in go up the control switch 20 of casing 9 lateral wall, through inlaying the control switch 20 that establishes can effectually fix display screen 19, also can make the planarization on casing 9 surface simultaneously, improve pleasing to the eye degree, the audio information of bluetooth speaker broadcast is shown by display screen 19, also can press control switch 20 simultaneously and switch over and begin the broadcast or stop the broadcast the audio frequency of broadcast, improves the convenient degree during the use.

In this embodiment, specifically: through-hole 17 with the mutual symmetry of screw thread post 3, through-hole 17 with the quantity of screw thread post 3 is all not less than four respectively, and convenient through mutual symmetry need not go to the hole again when closing the shell to last casing 9 and casing 2 down, improves the efficiency when assembling, and through-hole 17 and screw thread post 3 that the four corners department of casing 2 and last casing 9 set up respectively can effectually close the shell in the four corners to last casing 9 and casing 2 down, improves the equilibrium when closing the shell simultaneously.

In this embodiment, specifically: the output of USB interface 12 passes through wire electric connection in the input of battery 8, the output of battery 8 passes through wire electric connection respectively in the input of display screen 19 and speaker 7, charges the electric power storage for battery 8 through USB interface 12, and battery 8 provides required power for display screen 19 and speaker 7.

In this embodiment, specifically: go up casing 9 cover in the top of casing 2 down, go up casing 9 and run through the bolt through-hole 17 inside with casing 2 inside diapire fixed connection down threaded column 3 threaded connection makes and goes up casing 9 and casing 2 down and close the shell, for preventing to lead to the damage of through-hole 17 or threaded column 3 under the excessive locking condition of bolt, rotate the bolt to suitable and the fastening position can, cup joint protective sheath 21 in the lateral wall of casing 9 and casing 2 down, also increased the inside leakproofness of cavity 1 when having increased casing 9 and casing 2's the dynamics of closing the shell down.

In this embodiment, specifically: protective sheath 21 has been cup jointed to the lateral wall of cavity 1, and protective sheath 21's material is the rubber material, and multiplicable and the frictional force of placing the point improve anti-skidding ability, because rubber belongs to the elasticity material simultaneously, when meetting falling or colliding with of small range, protective sheath 21 can effectual reduction to the damage of inside.

When the portable audio player is used, firstly, the storage battery 8 is charged through the USB interface 12 connected to one side of the second PCB 10, audio can be played through wireless connection between the Bluetooth transmitting equipment and a Bluetooth sound box, or the audio to be played is selected through connection between the audio interface 11 and the Bluetooth sound box, the currently played audio information can be displayed through the display screen 19 embedded in the outer side wall of the upper shell 9, and meanwhile, the operation required can be selected through the control switch 20 arranged on the outer side wall of the upper shell 9; during assembly, the cavity 1 is divided into an upper shell 9 and a lower shell 2, the passive radiator 4 is sleeved on the inner side walls of two sides of the lower shell 2, a first PCB 6 and a loudspeaker 7 in the lower shell 2 are installed, a storage battery 8 is installed above the first PCB 6 and fixed at the bottom of the lower shell 2, a USB interface 12 and an audio interface 11 are installed on a second PCB 10, then the second PCB 10 is installed in a connecting port 13 formed in the top of the upper shell 9, a second sealing gasket 14 is bonded at the top of the connecting port 13, finally an outer cover 18 is hinged, the upper shell 9 and the lower shell 2 are connected in a shell-closing manner, a bolt penetrates through a through hole 17 formed in the top of the upper shell 9 and extends to a threaded column 3 arranged at the bottom of the lower shell 2, the bolt is in threaded connection with the threaded column 3, the upper shell 9 and the lower shell 2 reach the optimal shell-closing degree by rotating the bolt, and then a waterproof breathable film 16 is adhered at the top of a deflation hole 15 formed in the outer side wall of the upper shell, and after the assembly is finished and the test is finished, the outer sleeve is sleeved on the outer side wall of the cavity 1, so that the assembly can be finished.

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. The utility model provides a simplify waterproof structure's waterproof bluetooth speaker, includes cavity (1), its characterized in that: the cavity (1) comprises a lower shell (2) and an upper shell (9), the inner bottom wall of the lower shell (2) is connected with a first PCB (6) through bolt threads, two sides of the first PCB (6) are provided with two loudspeakers (7), the loudspeakers (7) are connected with the inner bottom wall of the lower shell (2) through bolt threads, the inner side walls of the two sides of the lower shell (2) are respectively sleeved with a passive radiator (4), one side of the passive radiator (4) close to the lower shell (2) is bonded with a first sealing gasket (5), the four inner corners of the lower shell (2) are symmetrically provided with threaded columns (3), the outer side wall of the upper shell (9) is provided with a connecting port (13), the top of the upper shell (13) is bonded with a second sealing gasket (14), and the four corners of the upper shell (9) are symmetrically provided with through holes (17), air release hole (15) have been seted up to the lateral wall of going up casing (9), go up casing (9) and be close to the top bonding of air release hole (15) top has waterproof ventilated membrane (16).

2. The waterproof Bluetooth sound box with the simplified waterproof structure as claimed in claim 1, wherein: the upper portion of first PCB board (6) is equipped with battery (8), battery (8) fixed connection in the inside diapire of casing (2) down.

3. The waterproof Bluetooth sound box with the simplified waterproof structure as claimed in claim 1, wherein: go up casing (9) and being close to the inside wall of connector (13) top articulates there is enclosing cover (18), the inside wall fixedly connected with second PCB board (10) of connector (13), the lateral wall of second PCB board (10) is fixedly connected with USB interface (12) and audio interface (11) respectively.

4. The waterproof Bluetooth sound box with the simplified waterproof structure as claimed in claim 1, wherein: go up the lateral wall of casing (9) and inlayed display screen (19), go up casing (9) and be close to the lateral wall riveting of display screen (19) top has control switch (20).

5. The waterproof Bluetooth sound box with the simplified waterproof structure as claimed in claim 1, wherein: the through holes (17) and the threaded columns (3) are symmetrical to each other, and the number of the through holes (17) and the number of the threaded columns (3) are not less than four respectively.

6. The waterproof Bluetooth sound box with the simplified waterproof structure as claimed in claim 3, wherein: the output end of the USB interface (12) is electrically connected to the input end of the storage battery (8) through a wire, and the output end of the storage battery (8) is electrically connected to the input ends of the display screen (19) and the loudspeaker (7) through wires respectively.

7. The waterproof Bluetooth sound box with the simplified waterproof structure as claimed in claim 3, wherein: the upper shell (9) covers the upper portion of the lower shell (2), and the upper shell (9) penetrates through the through hole (17) through a bolt and is fixedly connected with the bottom wall inside the lower shell (2) in a threaded mode through the threaded column (3).

8. The waterproof Bluetooth sound box with the simplified waterproof structure as claimed in claim 3, wherein: the outer side wall of the cavity (1) is sleeved with a protective sleeve (21).