CN211184235U - Sound box - Google Patents

Abstract

The utility model provides a sound box, which comprises a box body shell, a loud-speaking component and a driven disk, wherein the box body shell is provided with a sound mixing cavity, a low sound hole communicated with the sound mixing cavity and a sound leading hole communicated with the sound mixing cavity, and the low sound hole and the sound leading hole are arranged at intervals; the loudspeaker component is connected with the box body shell and covers the sound guide hole, the loudspeaker component comprises a high pitch loudspeaker for playing high pitch audio, a middle pitch loudspeaker for playing middle pitch audio and a low pitch loudspeaker for playing low pitch audio, and the high pitch loudspeaker, the middle pitch loudspeaker and the low pitch loudspeaker are the same in size and outward in sound emitting direction; the driven disc is connected with the box body shell and covers the low sound hole; wherein, box shell, subassembly and the passive dish of raising one's voice enclose jointly and establish and form confined space, and the subassembly of raising one's voice can be through the air in the vibration confined space in order to drive the vibration of passive dish. The woofer can set up the same size with tweeter and midrange speaker, is favorable to the mass production, is convenient for change the speaker according to different demands.

Description

Sound box

Technical Field

The utility model belongs to the technical field of audio signal conversion equipment, especially, relate to a sound box

Background

The loudspeaker box is a terminal of the whole sound system and is used for converting audio electric energy into corresponding sound energy and radiating the sound energy into a space. The common three-frequency-division sound box is characterized in that the three loudspeakers playing audio frequencies with different frequency points are provided to respectively represent high, medium and low tones, the reduction degree is high, the layering sense is strong, but the volume of the general loudspeaker playing low tones is larger than that of the loudspeaker playing medium and high tones in order to represent the low tone effect, otherwise, the low tone effect is difficult to achieve, but the volume of the sound box also has to be enlarged accordingly, and the sound box occupies a large space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound box, the speaker that aims at solving among the prior art broadcast bass sets up the great technical problem who makes the whole volume of sound box increase thereupon for the performance bass effect with the volume.

The utility model discloses a realize like this, a sound box, include:

the box body shell is provided with a sound mixing cavity, a bass hole communicated to the sound mixing cavity and a sound leading hole communicated to the sound mixing cavity, and the bass hole and the sound leading hole are arranged at intervals;

the loudspeaker component is connected with the box body shell and covers the sound leading hole, the loudspeaker component comprises a high pitch loudspeaker for playing high pitch audio, a middle pitch loudspeaker for playing middle pitch audio and a low pitch loudspeaker for playing low pitch audio, and the high pitch loudspeaker, the middle pitch loudspeaker and the low pitch loudspeaker are the same in size and outward in sound emitting direction;

the passive disc is connected with the box body shell and covers the low sound hole;

wherein, the box shell loudspeaker subassembly and by the driving disk enclose jointly and establish and form confined space, loudspeaker subassembly can be through the vibration air in the confined space is in order to drive by the driving disk vibration.

In one embodiment, the speaker assembly further includes a speaker bracket having an open end and a cylindrical shape, the speaker bracket defines three support holes, and the tweeter, the midrange speaker and the woofer are all connected to the support holes.

In one embodiment, the tweeter, the midrange speaker, and the woofer are circumferentially arranged along the speaker carrier.

In one embodiment, the inner wall of the sound mixing cavity is provided with a clamping groove arranged along the edge of the sound introducing hole, the speaker support is provided with a clamping edge arranged along the edge of the opening, the clamping edge is accommodated in the clamping groove, and the outer surface of the clamping edge is attached to the groove wall of the clamping groove.

In one embodiment, the sound box further comprises a sealing ring sleeved on the clamping edge, and the sealing ring is located between the outer surface of the clamping edge and the groove wall of the clamping groove.

In one embodiment, the speaker assembly has an avoiding cavity communicated with the sound mixing cavity, and the sound mixing cavity and the avoiding cavity jointly form the sealed space.

In one embodiment, the enclosure further comprises a cabinet support for supporting the speaker assembly off the ground.

In one embodiment, the box support is connected to a side wall of the speaker support, and the tweeter, the midrange speaker and the woofer are all avoided from the box support and are annularly arranged on the speaker support at equal intervals with the box support.

In one embodiment, the box body support is provided with a plug socket electrically connected with the loudspeaker component, and the plug socket is used for electrically plugging an external power supply.

In one embodiment, the bottom of the box body bracket is provided with a non-slip mat.

The utility model discloses technical effect for prior art is: the utility model discloses a set up box shell and make high pitch loudspeaker by the dish, the discharge capacity of the produced vibrating air current of well audio amplifier and woofer can mix and tend to balance in the sound mixing intracavity of box shell, and promote by the dish and take place the rhythmic drumming of law, spread into the people's ear with the vibration with the promotion air, make the bass effect, woofer can set up the same size with high pitch loudspeaker and well audio amplifier, and needn't change the box shell of unnecessary volume for the woofer of the different audio of installation, needn't change the woofer of equidimension not for matcing different bass demands yet, be favorable to mass production, be convenient for change the speaker according to different demands.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a three-dimensional structure diagram of a sound box provided by an embodiment of the present invention;

fig. 2 is a sectional view of a sound box according to an embodiment of the present invention;

fig. 3 is an exploded view of a sound box according to an embodiment of the present invention.

Description of reference numerals:

10. a case body shell; 101. a sound mixing cavity; 102. a low sound hole; 103. a sound introducing hole; 104. a clamping groove; 20. a speaker assembly; 201. a position avoiding cavity; 21. a high pitch loudspeaker; 22. a midrange speaker; 23. a woofer; 24. a speaker support; 30. a driven disc; 40. a box body bracket; 41. a rack body; 42. a frame base; 421. a non-slip mat; 43. a top cover; 50. a seal ring; 60. a sound outlet grille; 70. socket

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 2 and 3, the present invention provides a sound box, which includes a box housing 10, a speaker assembly 20, a passive plate 30, a box support 40 and a sealing ring 50.

Referring to fig. 1 and 2, the case housing 10 is cylindrical, the case housing 10 has a sound mixing cavity 101, and in a use state, the case housing 10 extends in an up-down direction, and a bass hole 102 and a sound guide hole 103 both connected to the sound mixing cavity 101 are opened at both extending ends, so that the bass hole 102 and the sound guide hole 103 are disposed at an interval, and an airflow channel for flowing an airflow generated by vibration is formed from the sound guide hole 103 to the bass hole 102.

Referring to fig. 2, the speaker assembly 20 is connected to the cabinet housing 10 and covers the sound introducing hole 103, the speaker assembly 20 includes a speaker bracket 24, a tweeter 21 for playing high-pitched audio, a midrange speaker 22 for playing midrange audio, and a woofer 23 for playing low-pitched audio, and the tweeter 21, the midrange speaker 22, and the woofer 23 are the same in size and have outward sound emitting directions, so that a user can clearly hear sounds emitted by the tweeter. The speaker bracket 24 is formed with three support holes with the same size, and the tweeter 21, the midrange speaker 22 and the woofer 23 are respectively connected to one support hole. The speaker holder 24 is used to support and connect the tweeter 21, the midrange speaker 22, and the woofer 23. In order to enable a user to hear sound in all directions and maintain good sound effect, the tweeter 21, the midrange speaker 22 and the woofer 23 are circumferentially arranged along the speaker holder 24, and the sound emitting directions thereof are all oriented in the horizontal direction, so that if the sound box is played indoors, sound can be filled in the whole room, and the user can obtain a high-quality music experience at any position.

Referring to fig. 2 and 3, the passive disk 30 can vibrate under the action of sound pressure, and is connected to the cabinet housing 10 and covers the bass hole 102, the cabinet housing 10, the speaker assembly 20 and the passive disk 30 together enclose a sealed space, the tweeter 21, the midrange speaker 22 and the woofer 23 can vibrate the air in the sealed space, and the air pushes the passive disk 30 to vibrate under the action of the sound pressure, and the passive disk 30 pushes the outside air to vibrate, so as to generate the bass effect. If the space enclosed by the cabinet housing 10, the speaker unit 20 and the passive disk 30 is not sealed, the sound pressure is dispersed outward, and is not easily transmitted to the passive disk 30 or the sound pressure transmitted to the passive disk 30 is small, which affects the bass effect.

The utility model discloses a set up box shell 10 and make high pitch loudspeaker 21 by passive dish 30, the discharge capacity of the produced vibrating air current of medium pitch loudspeaker 22 and woofer 23 can mix and tend to balance in the sound mixing chamber 101 of box shell 10, and promote by the rhythmic bloating of moving disk 30 emergence law, spread into the human ear with the vibration with promoting the air, make bass effect, woofer 23 can set up the same size with high pitch loudspeaker 21 and medium pitch loudspeaker 22, and needn't change the box shell 10 of unnecessary volume for the woofer 23 of installing different audios, also needn't change the woofer 23 of equidimension not in order to match different bass demands, be favorable to mass production, be convenient for changing the speaker according to different demands.

In the present embodiment, referring to fig. 2, a clamping groove 104 is formed on an inner wall of the sound mixing cavity 101 along an edge of the sound introducing hole 103, and a clamping edge is formed on the speaker bracket 24 along an edge of the top opening, and the clamping edge is received in the clamping groove 104. The preliminary location of speaker support 24 and box shell 10 has been realized with the connection at joint groove 104 and joint edge like this, and the screw of being convenient for with speaker support 24 and strengthening rib is counterpointed, and simultaneously, the joint edge has played limiting displacement to box shell 10, prevents that box shell 10 from upwards taking place to warp.

Referring to fig. 2 and 3, in order to prevent the air leakage of the sealed space, the sealing ring 50 is sleeved outside the clamping edge, and the sealing ring 50 is located between the outer surface of the clamping edge and the groove wall of the clamping groove 104, so as to elastically abut against the outer surface of the clamping edge and the groove wall of the clamping groove 104 when the speaker support 24 and the box body shell 10 are aligned, thereby not only increasing the friction force between the outer surface of the clamping edge and the groove wall of the clamping groove 104, but also playing a role in sealing, leaking the air in the sealed space, and ensuring the bass effect.

Referring to fig. 2 and 3, in one embodiment, the speaker assembly 20 has an avoiding cavity 201 communicated with the sound mixing cavity 101, and the sound mixing cavity 101 and the avoiding cavity 201 form a sealed space together. Tweeter 21, the air current discharge capacity that medium pitch speaker 22 and woofer 23 produced is at keeping away a chamber 201 preliminary mixing, and in mixing sound chamber 101 internal harmonic to balanced state, keep away a chamber 201 and not only enlarged the size in enclosure space, loudspeaker 21 has been enlarged, medium pitch speaker 22 and woofer 23 and the distance between the passive dish 30, it is more outstanding to make the bass effect, and the height of box shell 10 has been reduced under the condition of the same broadcast effect, make the audio amplifier more small and exquisite, save the space. Meanwhile, the avoiding cavity 201 can also be used for arranging electric connecting wires of the loudspeaker component 20, and plays a certain role in heat dissipation.

Referring to fig. 2 and 3, the box bracket 40 includes a frame body 41 made of a flexible material, a frame base 42 for placing on the ground, and a top cover 43 located above the speaker assembly 20, wherein a bottom surface of the frame base 42 is provided with a non-slip mat 421 for preventing slipping, the frame body 41 is connected to the frame base 42 and extends upward, and the top cover 43 is connected to an extending end of the frame body 41. The speaker assembly 20 is connected to the side of the frame body 41 through the box casing 10, the frame base 42 can be set to be opposite to the speaker assembly 20, so that the speaker assembly 20 can be stably suspended on the box support 40, the frame body 41 can make the speaker assembly 20 and the ground spaced, and because it is made of a flexible material, the vibration energy of the speaker assembly 20 can be absorbed, so as to reduce the vibration of the frame base 42. The flexible material is preferably a stainless steel material capable of preventing the case bracket 40 from rusting while absorbing shock. Preferably, the box bracket 40 is a box bracket 40 integrally formed of stainless steel, i.e. the frame body 41, the frame base 42 and the top cover 43 are all made of stainless steel, so as to facilitate processing, and have high stability and are not easy to break. The top cover 43 is located above the speaker assembly 20 for preventing the speaker assembly 20 from falling ash.

Referring to fig. 3, in the present embodiment, the cabinet frame 40 is connected to the sidewall of the speaker frame 24, and the tweeter 21, the midrange speaker 22 and the woofer 23 are all retracted from the cabinet frame 40 and surround the speaker frame 24 at equal intervals with the cabinet frame 40. It will be appreciated that the tweeter 21, the midrange 22 and the woofer 23 are sequentially spaced at 90 deg. angles. When the sound box is used, one side provided with the frame body 41 faces the wall surface, and at the moment, the high pitch loudspeaker 21, the middle pitch loudspeaker 22 and the low pitch loudspeaker 23 can ensure the playing sound effect within the range of 180 degrees, so that the sound box basically covers the activity area of a user while the appearance of the sound box is attractive.

Referring to fig. 2, in one embodiment, the housing support 40 is provided with a socket 70 electrically connected to the speaker assembly 20, and the socket 70 is used for electrically connecting an external power source to supply power to the speaker assembly 20. When the speaker box is required to play audio, an external power source is plugged into the socket 70 to power on the speaker assembly 20. Preferably, the socket 70 is provided on a side of the rack body 41 facing away from the box housing 10.

Referring to fig. 1 and 3, the sound outlet grill 60 is connected to the cabinet 10 in a hood shape and covers the speaker assembly 20, the sound outlet grill 60 is made of a hard material, and the sound outlet grill 60 has a gap capable of ventilating, and plays a role in protection and preventing the speaker assembly 20 from being damaged. In this implementation, go out sound grid 60 and can also regard as the base support box shell 10 of audio amplifier to make driven disk 30 up, when driven disk 30 vibrates like this, the air current of its production can not blockked by ground or wall, and the bass audio can fill whole room, makes the user obtain better music and experiences.

The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are intended to be included within the protection scope of the invention.

Claims (10)

1. An acoustic enclosure, comprising:

the box body shell is provided with a sound mixing cavity, a bass hole communicated to the sound mixing cavity and a sound leading hole communicated to the sound mixing cavity, and the bass hole and the sound leading hole are arranged at intervals;

the loudspeaker component is connected with the box body shell and covers the sound leading hole, the loudspeaker component comprises a high pitch loudspeaker for playing high pitch audio, a middle pitch loudspeaker for playing middle pitch audio and a low pitch loudspeaker for playing low pitch audio, and the high pitch loudspeaker, the middle pitch loudspeaker and the low pitch loudspeaker are the same in size and outward in sound emitting direction;

the passive disc is connected with the box body shell and covers the low sound hole;

wherein, the box shell loudspeaker subassembly and by the driving disk enclose jointly and establish and form confined space, loudspeaker subassembly can be through the vibration air in the confined space is in order to drive by the driving disk vibration.

2. The loudspeaker of claim 1, wherein the loudspeaker assembly further comprises a loudspeaker support having a cylindrical shape with an open end, the loudspeaker support defining three support holes, the tweeter, the midrange speaker and the woofer being connected to the support holes.

3. The loudspeaker of claim 2 wherein said tweeter, said midrange speaker, and said woofer are circumferentially disposed along said speaker carrier.

4. The sound box according to claim 2, wherein a locking groove is formed on an inner wall of the sound mixing chamber along an edge of the sound introducing hole, a locking edge is formed on the speaker holder along an edge of the opening, the locking edge is received in the locking groove, and an outer surface of the locking edge is attached to a wall of the locking groove.

5. The sound box according to claim 4, further comprising a sealing ring sleeved on the clamping edge, wherein the sealing ring is located between an outer surface of the clamping edge and a groove wall of the clamping groove.

6. The loudspeaker of claim 1, wherein the speaker assembly has an avoiding cavity in communication with the mixing cavity, and the mixing cavity and the avoiding cavity together form the sealed space.

7. The acoustic enclosure of claim 2, further comprising enclosure supports for supporting the speaker assemblies off the ground.

8. The acoustic enclosure of claim 7, wherein the cabinet support is attached to a side wall of the speaker support, and wherein the tweeter, the midrange speaker, and the woofer are each recessed from the cabinet support and are positioned on the speaker support in an equally spaced relationship with the cabinet support.

9. The sound box according to claim 7, wherein the box support has a socket for electrical connection with the speaker assembly, the socket being adapted for electrical connection with an external power source.

10. The acoustic enclosure of claim 7, wherein the bottom of the enclosure support is provided with a non-slip mat.

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