WO2017173627A1

WO2017173627A1 - Miniature loudspeaker

Info

Publication number: WO2017173627A1
Application number: PCT/CN2016/078705
Authority: WO
Inventors: 邢皓宇
Original assignee: 邢皓宇
Priority date: 2016-04-07
Filing date: 2016-04-07
Publication date: 2017-10-12

Abstract

A miniature loudspeaker comprising a housing (1) and, mounted and fixed within the housing, a speaker (6), a battery (5), and a switch (311). The miniature loudspeaker also comprises a battery compartment (2) used for mounting the battery and a battery cover (15) used for closing an opening of the battery compartment. The battery compartment is mounted and fixed on the bottom inner surface of the housing by a screw. A through hole (111) is provided at the bottom of the housing. When the battery compartment is mounted and fixed on the bottom of the housing, the opening of the battery compartment corresponds to the through hole. The battery cover is used for closing the through hole.

Description

a miniature speaker

Technical field

The present invention relates to the field of sound boxes, and more particularly to a miniature sound box.

Background technique

The existing miniature speaker is small in size and compact in structure, so that it can be conveniently carried by the user at any time for use in various occasions. Among them, the micro speaker has a built-in speaker and battery, and the battery supplies power to the speaker. In the prior art, the miniature speaker is directly provided with a battery slot inside the casing for placing the battery and closing the battery through a battery cover. However, such a setting is inconvenient to detect or repair if the shrapnel that is electrically connected to the battery is poorly contacted or damaged.

Summary of the invention

The technical problem to be solved by the present invention is to provide a miniature speaker that is convenient for detecting or repairing the conductive condition of the battery.

The object of the present invention is achieved by the following technical solutions:

A micro-speaker includes a housing and a speaker, a battery and a switch mounted in the housing, the micro-speaker further comprising a battery compartment for mounting the battery and an opening for closing the battery compartment a battery cover fixed to a bottom inner surface of the housing by a screw, the bottom of the housing being provided with a through hole, and when the battery compartment is mounted and fixed at the bottom of the housing, the battery The opening of the cartridge corresponds to the through hole, and the battery cover is for closing the through hole.

Preferably, the micro-speaker further includes a sub-bin, the sub-tank is integrally provided with the battery compartment, and the opening of the sub-chamber corresponds to the through-hole. The invention provides that the auxiliary bin and the battery compartment are integrally arranged, thereby greatly increasing the strength of the battery compartment, increasing the contact area between the battery compartment and the casing, so that the connection between the battery compartment and the casing is tighter and the fixing is more firm. At the same time, the through hole of the present invention also corresponds to the position of the sub-tank, so that the present invention can store substances in the sub-tank, and the battery cover can be opened for convenient storage or removal. For example, when a backup battery is placed in the sub-chamber, when the battery in the battery compartment of the present invention is insufficient, and the user cannot charge or purchase a new battery, at this time, The user can take out the spare battery in the sub-tank and place it in the battery compartment for use.

Preferably, the height of the sub-tank gradually decreases from the battery compartment to the end thereof. This arrangement not only saves the internal space of the housing, but also increases the strength of the battery compartment and can load objects.

Preferably, the outer surface of the intermediate position of the battery compartment and the auxiliary compartment is provided with two opposite lugs, and the lug is provided with a screw hole of the battery compartment, and correspondingly, the bottom of the housing is provided with a screw hole of the battery compartment through the screw Screw the bottom screw hole. The invention provides a lug between the battery compartment and the auxiliary compartment, and is fixed by screws, so that both ends of the battery compartment and the auxiliary compartment are pressed against the bottom of the casing during the fixing process, and the fixing is firm.

Preferably, the inner surface of the housing is provided with a limiting member for limiting the battery compartment and the secondary compartment. This makes the battery compartment and the auxiliary compartment fixed to the bottom of the housing more firmly.

Preferably, the battery compartment is provided with a escaping hole at an edge of a relative position of the opening thereof, and a metal piece electrically connected to the battery is fixedly mounted inside the battery compartment through the escaping hole, and the micro-speaker further A cover plate for closing the escape hole is included. It is easier to remove the hardware for inspection.

Preferably, the battery cover has a cylindrical structure, and a bottom surface of the bottom of the housing is provided with a circular placement groove for placing the battery cover. A placement slot is provided for the battery cover to prevent the battery cover from protruding from the bottom surface of the housing for ease of placement.

Preferably, the battery cover is provided with a buckle, a bottom of the housing is provided with a card slot for placing the buckle, and the battery cover is provided with an arc-shaped elastic hole at a position of the buckle, and An elastic wall is formed on one side of the elastic hole, and the buckle is located on the elastic wall. This sets the elastic wall and the elastic effect is better.

Preferably, the bottom of the housing is provided with an anti-slip mat of an annular structure around the battery cover. Plays a non-slip effect.

Preferably, the housing comprises a lower case, a middle case and an upper case, the middle case and the upper case are fixedly connected, the middle case and the lower case are detachably fixedly connected, and the middle case is located at the upper case and the lower case Between the shells, the battery compartment is fixedly mounted on the bottom inner surface of the lower shell, and the horn and the switch are fixedly fixed between the upper shell and the middle shell; when the upper shell, the middle shell and the lower shell are fixedly connected, The horn extends to the position of the secondary bin and is oppositely disposed. The upper case and the middle case are fixedly connected, and the middle case and the lower case are detachably and fixedly connected, so that the battery case can be installed or disassembled when the middle case is removed, which is convenient for the user to control.

Compared with the prior art, the technical effect of the present invention is that the battery compartment for mounting a fixed battery is fixedly connected with the casing by screws, the screw fixing connection is firm, and the installation and disassembly are convenient, so that the battery is powered. The battery compartment can be removed when a device such as a shrapnel fails. For testing or repair. Moreover, the present invention provides a through hole at the bottom of the casing, and the battery cover closes the opening of the battery compartment while closing the through hole at the bottom of the casing to facilitate battery replacement. In addition, the present invention mounts and fixes the battery compartment to the bottom of the casing, so that the weight of the bottom of the casing is greatly increased when the battery is installed, so that the overall center of gravity of the casing is moved downward, thereby making the placement of the micro-speaker more stable. .

DRAWINGS

1 is a schematic view showing the overall structure of a micro-speaker according to an embodiment of the present invention;

2 is a schematic diagram of splitting of a miniature speaker according to an embodiment of the present invention;

3 is a schematic view showing the cooperation of a battery compartment and a lower casing according to an embodiment of the present invention;

4 is also a schematic view of the battery compartment and the lower casing of the embodiment of the present invention;

Figure 5 is a schematic structural view of a battery compartment according to an embodiment of the present invention;

6 is a schematic structural view of a top cover according to an embodiment of the present invention;

7 is a schematic structural diagram of a button according to an embodiment of the present invention;

8 is a schematic structural view of a second fixing ring according to an embodiment of the present invention;

9 is a schematic structural view of a first fixing ring according to an embodiment of the present invention;

Fig. 10 is a schematic view showing the structure of a battery cover according to an embodiment of the present invention.

detailed description

The battery compartment for mounting a fixed battery is fixedly connected with the casing by screws, the screw fixing connection is firm, and the installation and the disassembly are convenient, so that the battery compartment can be removed when the battery is electrically damaged. For testing or repair. Moreover, the present invention provides a through hole at the bottom of the casing, and the battery cover closes the opening of the battery compartment while closing the through hole at the bottom of the casing to facilitate battery replacement. In addition, the present invention mounts and fixes the battery compartment to the bottom of the casing, so that it is installed When the battery is attached, the weight of the bottom of the housing is greatly increased, so that the overall center of gravity of the housing is moved downward, thereby making the placement of the micro-speaker more stable.

The invention will now be further described with reference to the drawings and preferred embodiments.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship of the "bottom", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device. Or the components must have a particular orientation, are constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, "a plurality" means two or more unless otherwise stated. In addition, the term "comprises" and its variations are intended to cover a non-exclusive inclusion.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

A micro-speaker 100 of an embodiment of the present invention will be described below with reference to FIGS. 1 through 10.

As shown in FIG. 1 to FIG. 10, the present invention discloses a miniature speaker 100. The micro-speaker 100 includes a housing 1 and a speaker 6, a battery 5 and a switch 311 mounted and fixed in the housing 1. The speaker further includes a battery compartment 2 for mounting the battery and a battery cover 15 for closing an opening of the battery compartment, the battery compartment 2 being fixed to the bottom inner surface of the casing 1 by screw mounting, the casing The bottom of the body is provided with a through hole 111. When the battery compartment is fixedly fixed to the bottom of the casing 1, the opening of the battery compartment 2 corresponds to the through hole 111, and the battery cover 15 is used to close the through hole. 111.

The battery compartment and the housing for mounting a fixed battery are fixedly connected by screws, and the snail is The wire is firmly fixed and easy to install and disassemble, so that the battery compartment can be removed for detection or repair when the battery is electrically damaged. Moreover, the present invention provides a through hole at the bottom of the casing, and the battery cover closes the opening of the battery compartment while closing the through hole at the bottom of the casing to facilitate battery replacement. In addition, the present invention mounts and fixes the battery compartment to the bottom of the casing, so that the weight of the bottom of the casing is greatly increased when the battery is installed, so that the overall center of gravity of the casing is moved downward, thereby making the placement of the micro-speaker more stable. .

The micro-speaker further includes a sub-chamber 41, and the sub-chamber 41 is integrally disposed with the battery compartment 4, and the opening of the sub-chamber 41 corresponds to the through-hole 111. The invention provides that the auxiliary bin and the battery compartment are integrally arranged, thereby greatly increasing the strength of the battery compartment, increasing the contact area between the battery compartment and the casing, so that the connection between the battery compartment and the casing is tighter and the fixing is more firm. At the same time, the through hole of the present invention also corresponds to the position of the sub-tank, so that the present invention can store substances in the sub-tank, and the battery cover can be opened for convenient storage or removal. For example, when a spare battery is placed in the sub-chamber, when the battery in the battery compartment of the present invention is insufficient, and the user cannot charge or purchase a new battery, the user can Remove the spare battery and place it in the battery compartment for use.

Specifically, the height of the sub-chamber 41 gradually decreases from the battery compartment 4 to its end. This arrangement not only saves the internal space of the casing, but also increases the strength of the battery compartment 4, and can load objects.

Further, the outer surface of the intermediate position of the battery compartment 4 and the sub-chamber 41 is provided with two opposite lugs 43 on which the battery compartment screw holes 42 are disposed. In the present embodiment, the housing 1 includes a lower case 11, a middle case 12, an upper case 13 and a cover 14, the middle case 12 and the upper case 13 are fixedly connected, and the middle case 12 and the lower case 11 are detachable Fixedly connected, the middle casing 12 is located between the upper casing 13 and the lower casing 11, the battery compartment 2 is fixedly mounted on the bottom inner surface of the lower casing 11, and the horn and the switch are fixedly mounted on the upper casing. Between the middle case and the middle case; when the upper case, the middle case and the lower case are fixedly connected, the horn extends to the position of the sub-chamber and is oppositely disposed. The upper case and the middle case are fixedly connected, and the middle case and the lower case are detachably and fixedly connected, so that the battery case can be installed or disassembled when the middle case is removed, which is convenient for the user to control. Correspondingly, the bottom of the housing 1 is provided with a bottom screw hole that is screwed to the battery compartment screw hole 42 by screws. The invention provides a lug between the battery compartment and the auxiliary compartment, and is fixed by screws, so that both ends of the battery compartment and the auxiliary compartment are pressed against the bottom of the casing during the fixing process, and the fixing is firm. In the present invention, the outer cover 14 is mounted on the outer surface of the upper casing 13 for covering the horn holes on the upper casing 13 to prevent dust from falling.

Further, an inner surface of the lower case 11 of the housing is provided for limiting the battery compartment and The limit member 112 of the auxiliary bin. This makes the battery compartment and the auxiliary compartment fixed to the bottom of the housing more firmly.

Wherein, the battery compartment is provided with a escaping hole 45 at an edge of a relative position of the opening thereof, and a metal piece electrically connected to the battery is fixedly mounted inside the battery compartment through the escaping hole, and the micro-speaker further A cover 44 for closing the escape hole is included. It is easier to remove the hardware for inspection.

Wherein, the battery cover 15 has a cylindrical structure, and the outer surface of the bottom of the housing is provided with a circular placement groove for placing the battery cover. A placement slot is provided for the battery cover to prevent the battery cover from protruding from the bottom surface of the housing for ease of placement.

Specifically, the battery cover 15 is provided with a buckle 151, a bottom of the lower casing of the casing is provided with a card slot for placing the buckle, and the battery cover is provided with an arc at a position of the buckle The elastic hole 152 is formed, and an elastic wall 153 is formed on one side of the elastic hole 152, and the buckle is located on the elastic wall. This sets the elastic wall and the elastic effect is better. The battery cover is also provided on its inner surface with two limiting strips 154 for limiting the battery.

Wherein, the bottom of the casing is provided with an anti-slip mat 16 of an annular structure around the battery cover. Plays a non-slip effect.

In the present embodiment, the number of the horns 6 is two, which are respectively disposed between the upper case and the middle case, wherein the horn extends to the position of the sub-chamber 41. The auxiliary bin of the embodiment is disposed obliquely with respect to the battery compartment, so that the positions of the upper casing and the middle casing of the fixed horn are also inclined, and at the same time, the position of the upper casing and the middle casing fixing horn is also arranged in an arc shape, such that the phase Compared with directly setting the plane structure, the surface area is greatly increased, thereby increasing the spatial position of the horn and increasing the size of the horn, so that the micro-speaker has better sound.

In this embodiment, the circuit board 3 includes an electrically connected main control circuit board 31 and an illuminating circuit board 32, and an interface circuit board 33 electrically connected to the main control circuit board. The main control circuit board and the light-emitting circuit board are fixed and fixed at the positions of the upper shell and the middle shell, and the interface circuit board is fixed and fixed on the lower shell. The switch 311 is disposed on the main control circuit board 31. The light-emitting circuit board 32 is provided with a light-emitting lamp, and the micro-speaker further includes a first fixing ring 7 for fixing the main control circuit board. a fixing groove is disposed on the second fixing ring 8 for fixing the light-emitting circuit board, the button 4 for triggering the switch, and the top cover 17. The main control circuit board is placed at the bottom of the fixing slot. And fixed by the first fixed ring limit. Wherein the fixing groove is located at the position of the middle case. The second fixing ring 8 and the light emitting circuit board are mounted and fixed on the first fixing ring, and the second fixing ring is located in the first fixing ring, and the second fixing ring is provided with a place for placing Narrative a placing table of the optical circuit board, the button is mounted around the second fixing ring, the top cover is disposed in the button, and the light emitting circuit board is closed.

The invention sets the switch on the main control circuit board, realizes the limit fixing of the main control circuit board by the first fixing ring, and limits the fixing of the light-emitting circuit board by the second fixing ring, wherein the fixing groove of the housing is used When the main control circuit board is placed, correspondingly, the first fixed loop limit main control circuit board is also placed in the fixed slot. In the meantime, the second fixing ring and the light-emitting circuit board are fixed on the upper part of the first fixing ring and are located in the second fixing ring, so that the main control circuit board, the first fixing ring, the second fixing ring and the light-emitting circuit board are sequentially stacked. Put it in the fixed slot. In addition, the button of the present invention is mounted around the second fixed ring for driving the switch of the main control circuit board, and the top cover is disposed in the button for closing the light-emitting circuit board to close the fixing groove. Thus, the present invention provides protection for the main control circuit board and the light-emitting circuit board through the first fixed ring, the second fixed ring button, and the top cover layer layer, and is not easy to damage the switch when the button trigger switch is pressed.

Wherein, the housing extends with an extending groove at the edge of the fixing groove, and the first fixing ring extends with an extension plate 72 for being placed in the extending groove. The contact area between the first fixing ring and the casing is increased, so that the connection between the first fixing ring and the casing is tighter, the fixing is more firm, and the protection effect on the main control circuit board is better.

Further, the housing is provided with an extension platform that cooperates with the extension plate at the position of the extension slot. An extension table is used to support the extension plate.

Further, the housing is provided with a first fixing post at the extending slot position, and the first fixing ring is provided with a first fixing hole 71 for placing the first fixing post at the extending plate position. The first fixing post is inserted into the first fixing hole to perform positioning.

Wherein, the housing is provided with a screw hole, and the second fixing ring is provided with a screw hole post 83 screwed to the screw hole by a screw. The second fixing ring is fixed to the housing by screw mounting, and the first fixing ring is fixed at a limit. The middle of the second fixing ring is provided with a platform for placing the light-emitting circuit board, and a rectangular hole 81 is arranged at the platform position, so that the light-emitting circuit board and the main control circuit board are connected by wires.

The second fixing ring is provided with a second fixing hole 82, and the top cover 17 is provided with a second fixing post 171 for inserting into the second fixing hole. The second fixing post is inserted into the second fixing hole to serve as a limit.

The button is provided with an elastic plate 43. The elastic plate is provided with a third fixing hole 42. The housing is provided with a third fixing post for inserting into the third fixing hole. Third fixed The insertion of the hole into the third fixing hole serves as a limit. The elastic plate is arranged, and the elastic plate generates a reverse elastic force when the button is pressed, thereby further protecting the switch.

Specifically, the elastic plate is an L-shaped structure, and the third fixing hole is located at an end position of the elastic plate. This sets the elasticity of the elastic plate to be large.

Wherein, the main control circuit board is further provided with an indicator light, and the button is provided with a cap 44 for being sleeved on the indicator light. Set the cap to protect the indicator light.

The button is provided with a touch point 41 for triggering the switch, and the touch point is disposed adjacent to the cap. This setting increases the strength of each other.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims

A miniature speaker comprising a housing and a speaker, a battery and a switch mounted in the housing, wherein the micro-speaker further comprises a battery compartment for mounting the battery and an opening for closing the battery compartment a battery cover fixed to a bottom inner surface of the housing by a screw, the bottom of the housing being provided with a through hole, when the battery compartment is mounted and fixed at the bottom of the housing, The opening of the battery compartment corresponds to the through hole, and the battery cover is used to close the through hole.
The micro-speaker according to claim 1, wherein the micro-speaker further comprises a sub-chamber, the sub-chamber is integrally provided with the battery compartment, and an opening of the sub-chamber corresponds to the through-hole.
A miniature speaker according to claim 2, wherein a height of said sub-tank from said battery compartment to an end thereof is gradually lowered.
The micro-speaker according to claim 2, wherein the outer surface of the intermediate position of the battery compartment and the sub-chamber is provided with two opposite lugs, and the lugs are provided with battery compartment screw holes, corresponding shells The bottom of the body is provided with a bottom screw hole that is screwed to the screw hole of the battery compartment.
The miniature speaker according to claim 2, wherein the inner surface of the housing is provided with a limiting member for limiting the battery compartment and the secondary compartment.
The micro-speaker according to any one of claims 1 to 5, wherein the battery compartment is provided with a relief hole at an edge of the relative position of the opening thereof, and the metal piece electrically connected to the battery passes through the avoidance The hole is mounted and fixed inside the battery compartment, and the micro-speaker further includes a cover plate for closing the escape hole.
The micro-speaker according to any one of claims 1 to 5, wherein the battery cover has a cylindrical structure, and a bottom surface of the bottom of the casing is provided with a circular placement groove for placing the battery cover.
The micro-speaker according to claim 7, wherein the battery cover is provided with a buckle, the bottom of the housing is provided with a card slot for placing the buckle, and the battery cover is at the buckle An arc-shaped elastic hole is disposed at the position, and an elastic wall is formed on one side of the elastic hole, and the buckle is located on the elastic wall.
The micro-speaker according to claim 7, wherein the bottom of the casing is provided with an anti-slip mat of an annular structure around the battery cover.
The micro-speaker according to any one of claims 2 to 5, wherein the housing comprises a lower case, a middle case and an upper case, and the middle case and the upper case are fixedly connected, and the middle case and the lower case are Demolition Unloading the fixed connection, the middle case is located between the upper case and the lower case, the battery case is mounted and fixed on the bottom inner surface of the lower case, and the horn and the switch are fixedly mounted on the upper case and the middle case When the upper case, the middle case and the lower case are fixedly connected, the horn extends to the position of the auxiliary bin and is oppositely disposed.