CN213485097U

CN213485097U - Box body assembly and sound box

Info

Publication number: CN213485097U
Application number: CN202022913997.3U
Authority: CN
Inventors: 谢敏正
Original assignee: TCL Technology Electronics Huizhou Co Ltd
Current assignee: TCL Technology Electronics Huizhou Co Ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-18
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a box subassembly and audio amplifier. The box body assembly comprises a box body and an air guide pipe, a mounting cavity is formed in the box body, a mounting opening communicated with the mounting cavity and the outside is formed in the side wall of the box body, the air guide pipe is arranged in the mounting cavity, one end of the air guide pipe is inserted into the mounting opening, the air guide pipe is provided with a first pipe opening and a second pipe opening which are communicated, the first pipe opening is arranged at one end, inserted into the mounting opening, of the air guide pipe, the second pipe opening is arranged at one end, located in the mounting cavity, of the air guide pipe, and the highest point of the first pipe opening is lower than the lowest point of the second. The utility model discloses technical scheme can promote the waterproof performance of the box subassembly of audio amplifier.

Description

Box body assembly and sound box

Technical Field

The utility model relates to an audio amplifier technical field, in particular to box subassembly and applied this box subassembly's audio amplifier.

Background

For a sound box used outdoors, a waterproof treatment is usually required, and the sound box is usually composed of a box body, an air guide pipe and other components, wherein the air guide pipe is used for communicating the inside of the box body with outside air. Because general box is wooden material, at present in order to prevent that external moisture from getting into the box inside by the guide duct for the box absorbs water the inflation and leads to the product to damage, need carry out water repellent to the box usually.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a box subassembly aims at promoting the waterproof performance of the box subassembly of audio amplifier.

In order to achieve the above object, the utility model provides a box body assembly is applied to the audio amplifier, and the box body assembly includes:

the box body is internally provided with a mounting cavity, and the side wall of the box body is provided with a mounting opening for communicating the mounting cavity with the outside; and

the air guide pipe is arranged in the installation cavity, one end of the air guide pipe is inserted into the installation opening, the air guide pipe is provided with a first pipe opening and a second pipe opening which are communicated, the first pipe opening is arranged at one end, inserted into the installation opening, of the air guide pipe, the second pipe opening is arranged at one end, located in the installation cavity, of the air guide pipe, and the highest point of the first pipe opening is lower than the lowest point of the second pipe opening in the height direction.

In an embodiment of the present invention, the air guiding pipe includes:

the base body is arranged at the mounting opening and covers the mounting opening, and the base body is provided with a first pipe orifice; and

the air duct is formed in the tube body, the tube body is arranged on the base body, the second tube opening and the communication opening which penetrate through the air duct are formed in two ends of the tube body respectively, and the communication opening is communicated with the first tube opening.

In an embodiment of the present invention, the pipe body is kept away from the one end of the seat body is inclined upward.

In an embodiment of the present invention, the pipe body includes:

the first enclosing plate is arranged on the seat body and extends along a direction departing from the seat body; and

the second enclosing plate is arranged on the base body and extends along the direction departing from the base body, the first enclosing plate and the second enclosing plate are arranged oppositely, and the first enclosing plate and the second enclosing plate enclose to form the air channel.

In an embodiment of the present invention, the first enclosing plate includes a first bending section and a first straight pipe section, the first bending section is disposed on the seat body, and the first straight pipe section is disposed at an end of the first bending section away from the seat body;

the second enclosing plate comprises a second bending section and a second straight pipe section, the second bending section is arranged on the base body, the second straight pipe section is arranged at one end, deviating from the base body, of the second bending section, the first bending section is arranged opposite to the second bending section, and the first straight pipe section is arranged opposite to the second straight pipe section.

The utility model discloses an in the embodiment, follow the intercommunication mouth extremely the orificial direction of second, the pipe diameter of body reduces gradually.

The utility model discloses an in the embodiment, the box subassembly still includes the sound guide cone, the sound guide cone is located be equipped with of guide duct first orificial one end.

In an embodiment of the present invention, the sound cone includes:

the plate body is arranged at one end, provided with the first pipe orifice, of the air guide pipe and faces the first pipe orifice; and

the sound cone body is arranged on the plate body, faces the plate face of the first pipe orifice, and the plate body is connected with the sound cone body.

In an embodiment of the present invention, the box body has a panel, the panel has an inner surface and an outer surface which are oppositely arranged, and the mounting opening is opened on the panel and penetrates through the inner surface and the outer surface;

the air guide pipe is arranged on the inner surface, and the sound guide cone is arranged on the outer surface.

The utility model also provides a sound box, including the box subassembly, this box subassembly includes:

The box body component of the utility model comprises a box body and an air guide pipe arranged in the box body; the air guide pipe is provided with a first pipe orifice and a second pipe orifice which are communicated, the first pipe orifice is communicated with the mounting opening on the side wall of the box body and communicated with the outside through the mounting opening, the second pipe orifice is positioned in the box body and communicated with the mounting cavity of the box body, and the highest point of the first pipe orifice is lower than the lowest point of the second pipe orifice in the height direction, so that external moisture cannot flow to the second pipe orifice through the first pipe orifice of the air guide pipe and enter the box body, the damage to products caused by water absorption expansion of the box body is prevented, and the waterproof performance of a box body assembly of the sound box is improved.

Drawings

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

FIG. 1 is a schematic structural view of an embodiment of a case assembly of the present invention;

FIG. 2 is a schematic structural view of a panel, an air duct and a sound cone in the case assembly of the present invention;

FIG. 3 is an exploded view of the middle panel, the air duct and the sound cone of the case assembly of the present invention;

FIG. 4 is a schematic structural view of the air duct and the sound cone in the case assembly of the present invention;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is an exploded view of the duct of the present invention;

fig. 7 is an exploded view of the sound cone in the case assembly of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Box body component	2212	First straight pipe section
10	Box body	222	Second coaming
				11	Panel board	2221	Second bending section
111	Mounting port	2222	A second straight pipe section
				20	Air guide pipe	22a	Second pipe orifice
21	Base body	22b	Communication port
				211	First pipe orifice	30	Sound leading cone
22	Pipe body	31	Plate body
				221	First coaming	32	Sound cone
2211	First bending section

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The embodiment of the utility model provides a main solution is: by making the highest point of the first nozzle 211 lower than the lowest point of the second nozzle 22a in the height direction, the external moisture will not flow to the second nozzle 22a through the first nozzle 211 of the air duct 20 and enter the interior of the box body 10, so as to prevent the box body 10 from absorbing water and expanding to cause product damage.

At present, in order to prevent external moisture from entering the interior of the box 10 through the air duct 20, so that the box 10 absorbs water and expands to cause product damage, the box 10 generally needs to be waterproofed.

Therefore, the present invention provides a box assembly 100, and aims to provide a box assembly 100 capable of reducing the input cost.

Referring to fig. 1 to 7, in an embodiment of the case assembly 100 of the present invention, the case assembly 100 includes:

the box body 10 is provided with a mounting cavity in the box body 10, and a mounting opening 111 for communicating the mounting cavity with the outside is formed in the side wall of the box body 10; and

the air guide pipe 20 is arranged in the installation cavity, one end of the air guide pipe 20 is inserted into the installation opening 111, the air guide pipe 20 is provided with a first pipe orifice 211 and a second pipe orifice 22a which are communicated, the first pipe orifice 211 is arranged at one end of the air guide pipe 20 inserted into the installation opening 111 and is used for being communicated with the outside through the installation opening 111, the second pipe orifice 22a is arranged at one end of the air guide pipe 20 positioned in the installation cavity and is used for being communicated with the installation cavity, and the highest point of the first pipe orifice 211 is lower than the lowest point of the second pipe orifice 22a in the height direction.

It can be understood that the box assembly 100 of the present invention includes a box 10 and an air duct 20 disposed in the box 10; the air duct 20 has a first pipe orifice 211 and a second pipe orifice 22a which are communicated with each other, the first pipe orifice 211 is communicated with the mounting orifice 111 on the side wall of the box body 10 to be communicated with the outside through the mounting orifice 111, the second pipe orifice 22a is located in the box body 10 to be communicated with the mounting cavity of the box body 10, and the highest point of the first pipe orifice 211 is lower than the lowest point of the second pipe orifice 22a in the height direction, so that the outside moisture cannot flow to the second pipe orifice 22a through the first pipe orifice 211 of the air duct 20 to enter the inside of the box body 10, the product damage caused by the water absorption expansion of the box body 10 is prevented, and the waterproof function of the box body assembly 100 of the sound box is improved.

In this embodiment, the highest point of the first pipe orifice 211 is the highest level of the first pipe orifice 211, the lowest point of the second pipe orifice 22a is the lowest level of the second pipe orifice 22a, and in the height direction, the highest point of the first pipe orifice 211 is lower than the lowest point of the second pipe orifice 22a, and the plane where the first pipe orifice 211 is located and the plane where the second pipe orifice 22a is located are arranged at an included angle, wherein the plane where the first pipe orifice 211 is located is parallel to the vertical plane, and the second pipe orifice 22a is arranged facing the obliquely upper direction, so as to ensure that the external moisture cannot penetrate into the installation cavity of the box body 10 through the second pipe orifice 22a of the air guide pipe 20.

Referring to fig. 3 to 6, in an embodiment of the box assembly 100 of the present invention, the air guiding duct 20 includes:

the seat body 21 is installed at the installation opening 111, and covers the installation opening 111, and the seat body 21 is provided with the first pipe orifice 211; and

the air duct is formed in the tube body 22, the tube body 22 is disposed on the base 21, the second tube opening 22a and the communication opening 22b penetrating through the air duct are respectively formed at two ends of the tube body 22, and the communication opening 22b is communicated with the first tube opening 211.

In this embodiment, the seat body 21 and the tube body 22 are detachably connected, and can be fixedly connected in an ultrasonic mode, a screw mode, a buckle mode, an adhesion mode and the like. The air duct 20 is fixedly connected to the box 10 through a seat 21, and specifically, may also be fixedly connected through a screw, a buckle, or the like.

It can be understood that the tube 22 is fixed on the box 10 by using the seat 21, so as to improve the installation stability of the air duct 20; in addition, the seat body 21 is detachably connected to the tube body 22, in the injection molding process, in order to facilitate the demolding of the air guide tube 20, the seat body 21 and the tube body 22 of the air guide tube 20 are separately injection molded, then the air guide tube 20 is fixed by using ultrasonic waves, and finally the air guide tube 20 is fixed on the box body 10, so that the assembly of the air guide tube 20 is facilitated.

Referring to fig. 1 to fig. 6, in an embodiment of the box assembly 100 of the present invention, an end of the tube 22 away from the seat 21 is disposed to be inclined upward.

In this embodiment, the direction from the top wall to the bottom wall of the box 10 is defined as the direction from the top to the bottom wall, that is, the end of the tube 22 far away from the seat 21 is inclined toward the top wall of the box 10, so as to ensure that the second pipe orifice 22a of the air guide pipe 20 is inclined toward the top wall of the box 10, thereby further ensuring that the external moisture cannot penetrate into the installation cavity of the box 10 through the second pipe orifice 22a of the air guide pipe 20.

Further, the end of the pipe 22 far from the seat 21 can be tilted toward the rear of the box 10, and the arrangement can ensure that the second pipe orifice 22a of the air guiding pipe 20 is arranged upward after the box assembly 100 is turned forward by a certain angle, so as to ensure that external moisture cannot penetrate into the installation cavity of the box 10 through the second pipe orifice 22a of the air guiding pipe 20.

Referring to fig. 6, in an embodiment of the present invention, the tube 22 includes:

the first enclosing plate 221 is arranged on the seat body 21, and extends along a direction away from the seat body 21; and

the second enclosing plate 222 is disposed on the seat body 21 and extends along a direction away from the seat body 21, the first enclosing plate 221 and the second enclosing plate 222 are disposed opposite to each other, and the first enclosing plate 221 and the second enclosing plate 222 enclose to form the air duct.

In this embodiment, the first enclosing plate 221 and the second enclosing plate 222 are detachably connected, and may be fixedly connected by ultrasonic waves, screws, fasteners, bonding, and the like.

It can be understood that, by dividing the tube 22 into the first enclosing plate 221 and the second enclosing plate 222 which are detachably connected, in the injection molding process, in order to facilitate the demolding of the tube 22, the first enclosing plate 221 and the second enclosing plate 222 of the tube 22 are separately injection molded, then fixed to the tube 22 by using ultrasonic waves, and finally fixed to the housing 21, so as to facilitate the assembly of the tube 22.

Referring to fig. 6, in an embodiment of the box assembly 100 of the present invention, the first enclosing plate 221 includes a first bending section 2211 and a first straight tube section 2212, the first bending section 2211 is disposed on the seat body 21, and the first straight tube section 2212 is disposed on an end of the first bending section 2211 away from the seat body 21;

the second enclosing plate 222 includes a second bending section 2221 and a second straight pipe section 2222, the second bending section 2221 is disposed on the seat body 21, the second straight pipe section 2222 is disposed on one end of the second bending section 2221 away from the seat body 21, the first bending section 2211 is disposed opposite to the second bending section 2221, and the first straight pipe section 2212 is disposed opposite to the second straight pipe section 2222.

In this embodiment, in order to ensure that the end of the pipe 22 away from the seat body 21 is inclined upward, the pipe 22 can be smoothly transited to the seat body 21 to reduce wind noise, so that the pipe 22 is made into a bent pipe shape.

Referring to fig. 5, in an embodiment of the box assembly 100 of the present invention, the pipe diameter of the pipe 22 gradually decreases along the direction from the communication port 22b to the second pipe port 22 a. The arrangement can reduce wind resistance so as to reduce wind noise; in addition, the second nozzle 22a can be aesthetically enhanced to meet the appearance requirements.

Referring to fig. 1 to 5, in an embodiment of the box assembly 100 of the present invention, the box assembly 100 further includes a sound cone 30, and the sound cone 30 is disposed at an end of the air duct 20 where the first pipe opening 211 is disposed. The sound cone 30 is arranged at one end of the air guide pipe 20, which is provided with the first pipe orifice 211, namely, the sound cone 30 is arranged at the air outlet of the air guide pipe 20, and the sound cone 30 is arranged to effectively enlarge the sound radiation angle and increase the directivity angle of medium and high frequencies, so that the purpose of reducing the wind noise of the air guide pipe 20 is achieved, and the sound quality is improved.

Referring to fig. 7, in an embodiment of the present invention, the sound cone 30 includes:

the plate body 31 is arranged at one end, provided with the first pipe orifice 211, of the air guide pipe 20, and faces the first pipe orifice 211; and

the sound cone body 32 is arranged on the plate body 31 facing the first pipe orifice 211, and the plate body 31 is connected with the sound cone body 32.

In this embodiment, the sound cone 30 is divided into the plate body 31 and the sound cone body 32 which are detachably connected, in the injection molding process, in order to facilitate the mold stripping of the sound cone 30, the plate body 31 and the sound cone body 32 of the sound cone 30 are separately injection molded, then the sound cone 30 is fixed by ultrasonic waves, and finally the sound cone 30 is fixed on the box body 10, so that the sound cone 30 is assembled. In addition, the concrete working principle of the sound cone 30 is that when the coil on the plate 31 is energized, the coil will generate a magnetic field, and the magnetic field generated by the permanent magnet on the plate 31 generate an interaction force, so that the coil will vibrate along with the audio current in the magnetic field of the permanent magnet on the plate 31, and the diaphragm of the sound cone 32 and the coil of the plate 31 are connected together, so that the diaphragm of the sound cone 32 will vibrate along with the plate 31, and finally the sound cone 30 will generate the sound with the same waveform as the original audio signal.

Referring to fig. 1 and 2 in combination, in an embodiment of the present invention, the box body 10 has a panel 11, the panel 11 has an inner surface and an outer surface facing away from each other, and the mounting opening 111 is opened in the panel 11 and penetrates through the inner surface and the outer surface; the air guide pipe 20 is arranged on the inner surface, and the sound cone 30 is arranged on the outer surface. This arrangement not only facilitates the assembly of the duct 20 and the cone 30, but also increases the compactness of the structure.

Specifically, the inner surface of the panel 11 is provided with a first mounting groove communicated with the mounting hole 111, so that the air guide pipe 20 is partially mounted in the first mounting groove and is finally fixedly connected in a screw manner, a buckle manner and the like; the second mounting groove that communicates with installing port 111 is seted up to the surface of panel 11 to in installing leading sound awl 30 part in the second mounting groove, at last through mode fixed connection such as screw, buckle.

The utility model discloses still provide an audio amplifier, this audio amplifier includes as before box subassembly 100, the concrete structure of this box subassembly 100 sees aforementioned embodiment in detail. Since the sound box adopts all the technical solutions of the aforementioned embodiments, at least all the beneficial effects brought by all the technical solutions of all the aforementioned embodiments are achieved, and no further description is given here.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A cabinet assembly for use with a sound box, the cabinet assembly comprising:

2. The cabinet assembly of claim 1, wherein the duct includes:

3. The box assembly of claim 2, wherein an end of the tube remote from the seat is angled upward.

4. A tank assembly as claimed in claim 3, wherein the tubular body comprises:

5. The box assembly of claim 4, wherein the first collar includes a first bent section and a first straight section, the first bent section is disposed on the seat body, and the first straight section is disposed on an end of the first bent section facing away from the seat body;

6. A cabinet assembly as claimed in claim 2, wherein the pipe diameter of the pipe body is gradually reduced in a direction from the communication port to the second pipe port.

7. The cabinet assembly of claim 1, further comprising a sound cone disposed at an end of the duct having the first orifice.

8. The cabinet assembly as claimed in claim 7, wherein the sound cone includes:

9. The cabinet assembly as claimed in claim 7, wherein the cabinet has a panel having an inner surface and an outer surface disposed opposite one another, the mounting opening being formed in the panel and extending through the inner and outer surfaces;

10. An acoustic enclosure comprising a cabinet assembly according to any one of claims 1 to 9.