WO2017173625A1

WO2017173625A1 - Resonant loudspeaker

Info

Publication number: WO2017173625A1
Application number: PCT/CN2016/078700
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 resonant loudspeaker (1), comprising a housing (1), a resonance horn (2) fixed in the housing and a circuit board (10). The housing is provided with a cavity (11) for accommodating the resonance horn, the top of the resonance horn is provided with a compression foam (6), and the bottom thereof is provided with a rubber gasket (7). The resonance horn is of a cylindrical structure having at least one step, and the diameter of the top of the resonance horn is greater than that of the bottom thereof. Both ends of the resonance horn are respectively provided with the compression foam and rubber gasket which function to buffer and decompress in the vibration process of the resonance horn. The resonance horn is configured to be a cylindrical structure having a step, and the diameter of the top of the resonance horn is greater than that of the bottom thereof, which helps the resonance horn to form resonance in a better fashion, thereby obtaining a better resonance effect and a better sound effect.

Description

Resonance speaker

Technical field

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

Background technique

There are many kinds of existing speakers. For the resonant speaker, the existing resonant speaker has a complicated structure. However, it is prone to noise during the resonance process, and its sound effect is not good, which does not meet the needs of users.

Summary of the invention

The technical problem to be solved by the present invention is to provide a resonant speaker with better sound effect.

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

According to an aspect of the invention, a resonant speaker includes a housing, a resonant horn fixed in the housing, and a circuit board, the housing being provided with a cavity for placing the resonant horn, The top of the resonant horn is provided with a compressed foam, and the bottom of the resonant horn is provided with a rubber pad; the resonant horn is a cylindrical structure having at least one step, and the diameter of the top of the resonant horn is larger than the diameter of the bottom of the resonant horn.

Preferably, the resonant speaker comprises a horn fixing ring, the resonant horn includes a first step near the top of the resonant horn, and the horn fixing ring is sleeved to the end of the resonant horn, and terminates at the end Said the first step.

Preferably, the resonant horn further includes a second step at a middle portion thereof, the resonant speaker further includes an inner ring, the inner ring is for being sleeved to a middle portion of the resonant horn, and when the inner ring is sleeved The resonant horn is located between the first step and the second step, and the inner ring has an inner ring flange that cooperates with the second step.

Preferably, the resonant horn further includes a third step near the bottom of the resonant horn, the third step edge is provided with a plurality of evenly connected connecting pieces, the connecting piece is provided with a screw hole, and the connecting piece passes through the screw Fixed connection to the horn retaining ring.

Preferably, the connecting piece has an L-shaped structure, and the screw hole is located at an end of the connecting piece.

Preferably, the inner surface of the horn fixing ring is provided with a ring-shaped limiting ring, and the limiting ring is provided with a screw hole column screwed with the screw hole; when the inner ring and the horn fixed ring When the sleeve is attached to the resonant horn, the inner ring is located between the horn fixing ring and the resonant horn, and the limiting ring is pressed against the inner ring convex edge.

Preferably, the horn fixing ring is provided with a first buckle for fastening to the inner ring.

Preferably, the resonant speaker further includes an outer ring for being sleeved on the horn fixing ring, the outer ring extending along an inner surface thereof with an outer ring flange for inserting into the cavity, the outer ring The diameter of the ring rim is adapted to the diameter of the top of the resonant horn, and the housing is provided at the rim of the cavity with a limit stop that fits the rim of the inner ring.

Preferably, the outer ring is provided with a second buckle, and the horn fixing ring is provided with a first card slot for fastening with the second buckle.

Preferably, a bottom of the resonant horn is provided with a resonant ring having a diameter larger than a diameter of a portion between the resonant ring and the third step, and the rubber pad is fixed on an outer surface of the resonant ring .

Compared with the prior art, the technical effect of the present invention is that the two ends of the resonant horn of the present invention are respectively provided with a compressed foam and a rubber pad, which plays a role of buffering and decompressing during the vibration process of the resonant horn, and the resonant horn is To protection. In combination with the invention, the resonant horn is arranged in a cylindrical structure with a step, and the top diameter of the resonant horn is larger than the bottom diameter of the resonant horn, so that the resonant horn can better form resonance, so that the resonance effect of the resonant horn is better. Further make the sound of the resonant speaker better.

DRAWINGS

1 is a schematic view of a resonant horn and a horn fixing ring, an inner ring, an outer ring, and the like according to an embodiment of the present invention;

2 is a schematic structural view of a resonant horn according to an embodiment of the present invention;

3 is a schematic exploded view of a resonant speaker according to an embodiment of the present invention;

4 is a schematic structural view of a casing according to an embodiment of the present invention;

Fig. 5 is also a schematic structural view of a casing of an embodiment of the present invention.

detailed description

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 resonant speaker of an embodiment of the present invention will be described below with reference to FIGS. 1 through 5.

The present invention discloses a resonant speaker comprising a housing 1, a resonant horn 2 fixed in the housing 1, and a circuit board 10, the housing being provided with a cavity 11 for placing the resonant horn 2, The top of the resonant horn is provided with a compressed foam 6, the bottom of the resonant horn is provided with a rubber pad 7; the resonant horn is a cylindrical structure having at least one step, and the diameter of the top of the resonant horn is larger than the diameter of the bottom of the resonant horn .

The two ends of the resonant horn of the present invention are respectively provided with a compressed foam and a rubber pad, which play a role of buffering and decompressing during the vibration process of the resonant horn, and protect the resonant horn. In combination with the invention, the resonant horn is arranged in a cylindrical structure with a step, and the top diameter of the resonant horn is larger than the bottom diameter of the resonant horn, so that the resonant horn can better form resonance, so that the resonance effect of the resonant horn is better. Further make the sound of the resonant speaker better.

Wherein, the resonant speaker comprises a horn fixing ring 3, the resonant horn 2 includes a first step 21 near the top of the resonant horn 2, and the horn fixing ring 3 is used to be sleeved to the end of the resonant horn 2 And terminating at the first step 21. The speaker fixing ring is connected to the resonance horn, And ending at the first step 21, the resonance horn is fixed and fixed to ensure that the resonant horn can work normally.

Further, the resonant horn 2 further includes a second step 22 at a middle portion thereof, the resonant speaker further includes an inner ring 4 for being sleeved to the middle of the resonant horn 2, when The inner ring 4 is disposed between the first step 21 and the second step 22 when the inner ring 4 is attached to the resonant horn 2, and the inner ring 4 has an inner ring flange 41 that cooperates with the second step 22. In this embodiment, the resonant horn is fixedly fixed by the cooperation of the inner ring and the horn fixing ring, so that the limit fixing effect of the resonant horn is better, thereby further ensuring the normal operation of the resonant horn. Specifically, the horn fixing ring is provided with a first buckle 31 for fastening to the inner ring, and the clamping is easy to implement.

The resonant horn 2 further includes a third step 23 adjacent to the bottom of the resonant horn. The rim of the third step 23 is provided with a plurality of evenly connected connecting pieces 25, and the connecting piece 25 is provided with a screw hole 26, The connecting piece 25 is fixedly connected to the horn fixing ring 3 by screws 9 . The screws are securely fastened for easy installation and removal.

Specifically, the connecting piece has an L-shaped structure, the screw hole is located at an end of the connecting piece, and the inner surface of the horn fixing ring is provided with a ring-shaped limiting ring 32, and the limiting ring 32 is disposed There is a screw hole 33 screwed with the screw hole 26 through the screw 9; when the inner ring 4 and the horn fixing ring 3 are sleeved on the resonant horn 2, the inner ring 4 is located at the horn Between the fixed ring 3 and the resonant horn 2, and the limiting ring 32 is pressed against the inner ring flange 41. The connection piece is arranged in such a manner that not only the connecting piece is elastic, but also the connecting piece is deformed, and the inner ring and the horn fixing ring are conveniently sleeved on the resonance horn, and the resonance horn is resonated. In addition, during the fixed connection process, the limiting ring and the connecting piece simultaneously press the inner ring protruding edge during the fixed connecting process, so that the process of simplifying the fixed connection is adopted, and the connection between the fixing ring is more firmly fixed, and the matching is more tight. .

Further, the resonant speaker further includes an outer ring 5 for being sleeved on the horn fixing ring 3, the outer ring 5 extending along an inner surface thereof for an outer ring for insertion into the cavity 11. a flange 51, a diameter of the outer ring protrusion 51 is suitable for the diameter of the top of the resonant horn, and the housing 1 is provided at the edge of the cavity 11 with a limit stop 18 that fits the edge of the inner ring . In this embodiment, the ferrule fixing ring and the housing are fixedly connected through the outer ring, so that the limit fixing effect on the resonant horn is better.

The outer ring 5 is provided with a second buckle 52, and the horn fixing ring 3 is provided with a first card slot 34 for fastening with the second buckle 52.

In this embodiment, the bottom of the resonant horn 2 is provided with a resonant ring 24 having a diameter larger than a diameter of a portion between the resonant ring 24 and the third step 23, the rubber pad 7 It is fixed on the outer surface of the resonance ring. This makes the resonance effect of the resonant horn 2 better during operation.

In the present embodiment, the resonant speaker further includes a metal piece 8 fixed around the rubber pad 7, which serves as a fastening.

In this embodiment, the housing 1 is provided with a horn 11 for placing the resonant horn 2, the opening of the horn 11 is located at the bottom of the housing, and the housing 1 is in the horn 11 The cavity 11 forms a cylindrical structure, and in the present embodiment, the horn is equivalent to the cavity. The housing 1 extends outwardly along the opening of the horn slot 11 with an extending edge 12, and the opposite two of the extending edge 12 are provided with a fold 13 to form an arc structure; the outer wall of the horn slot 11 is A through hole 14 is disposed adjacent to one of the folds 13 , and the circuit board 10 is electrically connected to the resonant horn 2 through the through hole 14 .

The resonant horn of the present invention is accommodated in the horn slot from the opening position at the bottom of the housing, that is, the resonant horn is mounted and fixed inside the cavity, and the bottom of the resonant horn is located at the bottom of the housing during the placement, so that the resonant horn is working. Resonance occurs during the process. The invention has an extending edge around the speaker slot and is formed with two opposite folds and is folded into an arc structure, so that during the placing and resonance process, the folding of the curved structure causes shaking even at the bottom of the casing. Nor will it be dumped, so that the present invention provides a fold of two opposing curved structures to prevent the speaker from falling over. At the same time, the present invention provides a through hole at the outer wall of the horn and near a folded position so that the wire passes through, thereby electrically connecting the circuit board and the resonant horn to drive the resonant horn. The arrangement of the present invention can be extended from the edge of the opening by the cavity structure of a speaker slot, and a through hole is formed in the side wall of the speaker slot to form a housing structure, which has a simple structure. Moreover, the size of the horn can be set according to the size of the resonant horn, so that the size of the housing can be minimized. In addition, since the circuit board is electrically connected to the resonant horn at the folded position of the curved structure, the circuit board can be mounted and fixed at the folded position of the curved structure, so that the overall housing is utilized. The structure greatly reduces the space and volume of the housing. Therefore, the invention not only makes the resonant speaker overall compact, small in size, but also convenient to use and carry.

Wherein, the circuit board 10 is mounted and fixed at the position of the through hole, so that the circuit board is closer to the position of the through hole, and the circuit board and the resonant horn are electrically connected through the wire. Specifically, in this embodiment, the housing 1 has two connections to the fold 13 along the two sides of the through hole 10. Connection plate 15 at the location. The circuit board is mounted and fixed between two of the connecting plates. In this embodiment, the circuit board is mounted and fixed at an upper position of the two connecting plates. Thus, the embodiment can further cover an outer cover at the position of the circuit board, thereby preventing the circuit board from being exposed. Of course, the embodiment can be set according to the size of the circuit board when the fixed cover is mounted, or can be set according to the overall structure of the housing. However, in this embodiment, the circuit board can be mounted and fixed in the space formed between the two connecting plates, and then the two connecting plates can be closed by a cover plate to achieve the sealing of the circuit board. The connecting plate of the embodiment not only functions as a limiting fixed circuit board, but also greatly enhances the strength of the cavity 11, so that the structural strength of the entire casing is greater.

The resonant horn 2 is provided with a horn hole 27, and the housing is provided with a screw hole 17 screwed to the horn hole 27 by a screw at the bottom of the horn 11. Specifically, the number of the screw holes 17 is four, and the arrangement is uniform. Screws are easy to install and remove.

A reinforcing rib 15 is disposed between the other folded flange 13 and the outer wall of the horn 11. This further increases the strength of the cavity 11 and the overall housing.

Wherein, the housing is further provided with a usb charging hole at the mounting and fixing position of the circuit board for placing the usb charging interface on the circuit board.

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 resonant speaker includes a housing, a resonant horn fixed in the housing, and a circuit board, wherein the housing is provided with a cavity for placing the resonant horn, and the top of the resonant horn is provided with compression a foam, a bottom of the resonant horn is provided with a rubber pad; the resonant horn is a cylindrical structure having at least one step, and a diameter of the top of the resonant horn is larger than a diameter of a bottom of the resonant horn.
The resonant enclosure of claim 1 wherein said resonant enclosure comprises a horn retaining ring, said resonant horn comprising a first step adjacent the top of said resonant horn, said horn retaining ring being adapted to be coupled to said The end of the resonant horn is terminated and terminated at the first step.
The resonant speaker according to claim 1, wherein said resonant horn further comprises a second step at a middle portion thereof, said resonant speaker further comprising an inner ring, said inner ring being adapted to be coupled to said resonant horn The middle portion is located between the first step and the second step when the inner ring is sleeved on the resonant horn, and the inner ring has an inner ring flange that cooperates with the second step.
The resonant speaker according to claim 1, wherein said resonant horn further comprises a third step adjacent to a bottom of said resonant horn, said third step edge being provided with a plurality of evenly connected tabs, said connecting A screw hole is arranged on the sheet, and the connecting piece is fixedly connected with the horn fixing ring by a screw.
A resonant enclosure according to claim 4, wherein said connecting piece has an L-shaped structure, and said screw hole is located at an end of said connecting piece.
The resonant speaker according to claim 5, wherein the inner surface of the horn fixing ring is provided with a ring-shaped limiting ring, and the limiting ring is provided with a screw hole screwed to the screw hole by a screw a column; when the inner ring and the horn fixing ring are sleeved on the resonant horn, the inner ring is located between the horn fixing ring and the resonant horn, and the limiting ring is pressed into the inner ring The circle is convex.
A resonant enclosure according to claim 6 wherein said horn retaining ring is provided with a first snap for snapping onto said inner ring.
The resonant speaker according to any one of claims 1 to 7, wherein said resonant speaker further comprises an outer ring for being sleeved on said horn retaining ring, said outer ring extending along an inner surface thereof for An outer ring flange inserted into the cavity, the diameter of the outer ring flange is adapted to a diameter of the top of the resonant horn, and the housing is disposed at the edge of the cavity to fit the edge of the inner ring Limit station.
The resonant speaker according to claim 8, wherein the outer ring is provided with a second buckle, and the horn fixing ring is provided with a first card slot for fastening with the second buckle.
The resonant speaker according to claim 4, wherein a bottom of the resonant horn is provided with a resonant ring, and a diameter of the resonant ring is larger than a diameter of a portion between the resonant ring and the third step, A rubber mat is attached to the outer surface of the resonant ring.