CN212649703U

CN212649703U - Shell subassembly and speaker

Info

Publication number: CN212649703U
Application number: CN202020871924.XU
Authority: CN
Inventors: 吴海全; 邵伟
Original assignee: Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Grandsun Electronics Co Ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-02
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a technical field of speaker equipment provides a shell subassembly and speaker equipment, and wherein the shell subassembly includes: the wall of the first shell is provided with a sound wave hole for outputting sound waves, a first inversion groove and a second inversion groove are formed in the inner wall of the first shell, and the second inversion groove is communicated with the first inversion groove and the sound wave hole; the second shell covers the first shell and covers the first phase inversion groove and the second phase inversion groove, and a containing groove for containing the loudspeaker is arranged on the position, corresponding to the first phase inversion groove, of the second shell; when the second shell is covered on the first shell, the accommodating groove is communicated with the first phase inversion groove, and the groove wall of the accommodating groove, the inner wall of the second shell, the groove wall of the first phase inversion groove and the groove wall of the second phase inversion groove are enclosed to form a phase inversion pipe for communicating the loudspeaker and the sound wave hole; the loudspeaker device comprises the shell component and the loudspeaker piece; the utility model provides a shell subassembly and speaker equipment have the simple structure of paraphase pipe, advantage that the packaging efficiency is high.

Description

Shell subassembly and speaker

Technical Field

The utility model relates to a technical field of speaker equipment, more specifically say, relate to a shell subassembly and speaker equipment.

Background

The arrangement of an inverter tube in an acoustic speaker device such as an acoustic product is generally: the upper cover and the lower cover are assembled into the inverter tube assembly, the upper cover and the lower cover are assembled in a dispensing or ultrasonic welding mode, and then the inverter tube assembly is fixed in an internal cavity of the sound box through screws. The inverter tube of the acoustic equipment has the defects of complex structure and low assembly efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell subassembly and speaker equipment to the paraphase pipe structure that exists is complicated among the solution prior art, and the technical problem that packaging efficiency is low.

In order to achieve the above object, the present invention provides a housing assembly, including:

the wall of the first shell is provided with a sound wave hole for outputting sound waves, a first inversion groove and a second inversion groove are formed in the inner wall of the first shell, and the second inversion groove is communicated with the first inversion groove and the sound wave hole; and

the second shell covers the first shell and covers the first phase inversion groove and the second phase inversion groove, and a containing groove for containing a loudspeaker is formed in the position, corresponding to the first phase inversion groove, of the second shell;

when the second shell covers the first shell, the accommodating groove is communicated with the first phase inversion groove, and the groove wall of the accommodating groove, the inner wall of the second shell, the groove wall of the first phase inversion groove and the groove wall of the second phase inversion groove enclose to form an inverter tube which is used for communicating the loudspeaker and the sound wave hole.

In one embodiment, the area of the cross section of the first inversion groove is larger than the area of the cross section of the second inversion groove.

In one embodiment, the length of the first inversion slot is less than the length of the second inversion slot.

In one embodiment, a plurality of reinforcing ribs are arranged on the groove wall of the first inverted groove.

In one embodiment, the second inversion groove extends in a non-linear direction.

In one embodiment, the second inversion groove is shaped like a "U".

In one embodiment, a seal is disposed between the first housing and the second housing, the seal being disposed over the gap of the inverter tube.

In one embodiment, the second housing is provided with a fixing groove matching the first inversion groove and the second inversion groove, and the sealing member is fitted in the fixing groove.

In one embodiment, a dust cover is further included that covers the sound hole.

Another object of the present invention is to provide a speaker device, which comprises a speaker component and the above-mentioned housing component, wherein the speaker component is disposed in the accommodating groove.

The utility model provides a shell subassembly and speaker equipment's beneficial effect lies in:

the first inversion groove and the second inversion groove are formed on the first shell, namely the first inversion groove and the second inversion groove are integrated on the first shell, so that the number of parts of the shell assembly is reduced, and the structure for forming the phase-reversing tube is simpler; and when the second shell is covered on the first shell, the assembly of the inverter tube can be completed, and the assembly speed of the inverter tube is improved.

Drawings

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

Fig. 1 is a perspective structural view of an enclosure assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention providing a housing assembly from one perspective;

fig. 3 is an exploded view of an alternative perspective of the enclosure assembly provided by embodiments of the present invention.

The figures are numbered:

1-a housing assembly; 11-a first housing; 12-a second housing; 13-a sound wave aperture; 14-a first inversion tank; 141-reinforcing ribs; 15-a second inversion tank; 16-a receiving groove; 17-a seal; 18-a fixed groove; 19-a dust cover; 2-loudspeakers.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention, and are not intended to indicate that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:

as shown in fig. 1 to fig. 3, an enclosure assembly 1 for accommodating a speaker 2 to form a speaker device is provided in an embodiment of the present invention, for example, a speaker is provided in the enclosure assembly 1 to form a sound box.

The housing assembly 1 comprises: a first housing 11 and a second housing 12; a sound wave hole 13 for outputting sound waves is formed in the wall of the first shell 11, a first inversion groove 14 and a second inversion groove 15 are formed in the inner wall of the first shell 11, the second inversion groove 15 is communicated with the first inversion groove 14, and meanwhile, the second inversion groove 15 is communicated with the sound wave hole 13; the second casing 12 covers the first casing 11 and covers the first inversion tank 14 and the second inversion tank 15, a containing groove 16 for containing the speaker 2 is provided at a position corresponding to the first inversion tank 14 on the second casing 12, when the second casing 12 covers the first casing 11, the containing groove 16 communicates with the first inversion tank 14, and a phase inversion pipe for communicating the speaker 2 and the sound wave hole 13 is formed by enclosing a groove wall of the containing groove 16, an inner wall of the second casing 12, a groove wall of the first inversion tank 14, and a groove wall of the second inversion tank 15.

The operating principle of the inverter tube in the enclosure assembly 1 according to the present embodiment is as follows:

the loudspeaker 2 is arranged in the containing groove 16, the loudspeaker 2 can generate front-back vibration when emitting sound waves, the front vibration can emit sound waves, the back vibration can also emit sound waves, the front vibration generally emits middle-high sound waves, the back vibration emits bass sound waves, and the inverter tube collects and utilizes the bass sound waves emitted by the back vibration; in this embodiment, the front end of the speaker 2 is disposed outside the inverter, the rear end of the speaker 2 is disposed inside the inverter, and the low-pitched sound wave of the speaker 2 is transmitted through the inverter to the sound wave hole 13 and then transmitted through the sound wave hole 13, so that both the sound wave of the front end and the sound wave of the rear end of the speaker 2 are utilized, and the external reproduction effect of the speaker 2 is enhanced.

The housing assembly 1 provided by the present embodiment has the beneficial effects that:

the first inverter slot 14 and the second inverter slot 15 are formed on the first housing 11, that is, the first inverter slot 14 and the second inverter slot 15 are integrated on the first housing 11, so that the number of components of the housing assembly 1 is reduced, and the structure for forming the inverter tube is simpler; and when the second casing 12 is covered on the first casing 11, the inverter tube can be assembled, and the assembling speed of the inverter tube is improved.

It should be further explained that the first inversion groove 14 and the second inversion groove 15 are integrally formed on the first housing 11.

In one embodiment, the area of the cross section of the first inversion groove 14 is larger than the area of the cross section of the second inversion groove 15. In this embodiment, the sound wave at the rear end of the speaker 2 passes through the first inverting slot 14 and the second inverting slot 15 in sequence, and finally is transmitted out of the sound wave hole 13, wherein the sound wave can be enhanced by limiting the size of the second inverting slot 15 and the first inverting slot 14, and the sound quality of the speaker 2 is improved.

In one embodiment, the length of the first inversion slot 14 is less than the length of the second inversion slot 15. In this embodiment, the sound wave of loudspeaker 2 can be transmitted in longer second inversion groove 15 to the sound wave of front end and the sound wave of rear end are asynchronous to be exported from shell subassembly 1, thereby can produce great time difference, have promoted the stereoeffect of sound wave.

In one embodiment, a plurality of ribs 141 are provided on the groove wall of the first inversion groove 14. In this embodiment, the reinforcing rib 141 can increase the mechanical strength of the first housing 11 at the first inverted groove 14 portion, thereby improving the durability of the first housing 11.

In one embodiment, the second inversion groove 15 extends in a non-linear direction. In this embodiment, the second inversion grooves 15 are distributed on the inner wall of the first housing 11 in a curved manner, so that the length of the second inversion grooves 15 can be extended in the limited inner space of the first housing 11, and the three-dimensional effect of the sound waves is further improved.

Preferably, the second inversion groove 15 has a "U" shape.

In one embodiment, a seal 17 is provided between the first housing 11 and the second housing 12, the seal 17 being placed over the gap of the inverter tube. In this embodiment, the sealing member 17 is provided to improve the sealing property of the inverter tube, thereby preventing the sound waves from overflowing from the inverter tube and causing the deterioration of the sound quality.

Specifically, the second casing 12 is provided with a fixing groove 18 that matches the first and

second inversion grooves

14 and 15, and the seal 17 is fitted in the fixing groove 18. In this embodiment, the seal 17 is fixed in the fixing groove 18 to prevent displacement caused by vibration of sound waves, which causes failure of the sealed inverter tube and thus causes deterioration of sound quality.

In a refined manner, the sealing member 17 is an EVA (ethylene-vinyl acetate copolymer) member, which has the advantages of good buffering and shock resistance, and can achieve a good sealing effect.

In one embodiment, the housing assembly 1 further comprises a dust cover 19 covering the sound wave aperture 13. It will be appreciated that the dust cover 19 is provided to prevent external dust from entering the sound wave holes 13 and contaminating the interior of the inverter tube.

The present embodiment further provides a speaker device, which includes a speaker 2, and the housing assembly 1, where the speaker 2 is disposed in the accommodating groove 16.

The loudspeaker equipment that this embodiment provided has:

the first inverter slot 14 and the second inverter slot 15 are integrally formed on the first housing 11, that is, the first inverter slot 14 and the second inverter slot 15 are integrated on the first housing 11, so that the number of components of the housing assembly 1 is reduced, and the structure for forming the inverter tube is simpler; and when the second casing 12 is covered on the first casing 11, the inverter tube can be assembled, and the assembling speed of the inverter tube is improved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An enclosure assembly, comprising:

2. The enclosure assembly of claim 1, wherein an area of a cross section of the first inversion slot is greater than an area of a cross section of the second inversion slot.

3. The housing assembly of claim 1, wherein a length of the first inversion slot is less than a length of the second inversion slot.

4. The housing assembly of claim 1 wherein a plurality of ribs are disposed on a wall of the first inverter slot.

5. The housing assembly of claim 1, wherein the second inversion slot extends in a non-linear direction.

6. The housing assembly of claim 1, wherein the second inverter slot is "U" shaped.

7. The enclosure assembly of any of claims 1-6, wherein a seal is disposed between the first housing and the second housing, the seal being disposed over the slot of the inverter tube.

8. The housing assembly of claim 7, wherein the second housing has a retaining groove for mating with the first inversion groove and the second inversion groove, the sealing member fitting into the retaining groove.

9. The housing assembly of any of claims 1-6, further comprising a dust shield covering the sound hole.

10. An acoustic speaker apparatus comprising an acoustic speaker member, and the housing assembly of any one of claims 1 to 9, wherein the acoustic speaker member is disposed in the housing groove.