CN111064834A

CN111064834A - Electronic equipment sound cavity structure

Info

Publication number: CN111064834A
Application number: CN201911362572.3A
Authority: CN
Inventors: 舒爱军
Original assignee: Chongqing Blue Bank Communication Technology Co Ltd
Current assignee: Chongqing Lan'an Internet Of Things Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-04-24
Anticipated expiration: 2039-12-26
Also published as: CN111064834B

Abstract

The invention provides a sound cavity structure of electronic equipment, and belongs to the technical field of electronic equipment. The loudspeaker sound cavity of the electronic equipment is fixed in size, and the problem that operation is troublesome when the volume of the loudspeaker sound cavity needs to be modified in subsequent audio test is solved. This electronic equipment sound cavity structure, including the lower cover, upper cover and coupling assembling, the upper cover has two kinds of connection states with the lower cover, cover down and be equipped with first cavity and second cavity, cover on and be equipped with third cavity and fourth cavity, first cavity has constituted first sound chamber with fourth cavity intercommunication when upper cover and lower cover are in first kind of connection state, first cavity, the second cavity, third cavity and fourth cavity intercommunication have constituted second sound chamber when upper cover and lower cover are in second kind of connection state. This electronic equipment sound chamber structure accessible changes the size of sound chamber when the assembly through the connected state who changes upper cover and lower cover, and convenient operation satisfies the requirement of follow-up audio test to the volume change of sound chamber.

Description

Sound cavity structure of electronic equipment

Technical Field

The invention belongs to the technical field of electronic equipment, and relates to a sound cavity structure of electronic equipment.

Background

In recent years, with the continuous development of communication technology and the continuous progress of times, the number and the day of electronic devices such as mobile phones have been increased dramatically and play more and more important roles in the life and work of people. For example, the chinese patent discloses a sound output structure of a mobile phone speaker [ No. CN206413056U ], which includes a bottom case and a face case connected in a surrounding manner, wherein an installation cavity is disposed between the bottom case and the face case, a speaker is disposed in the installation cavity, a sound cavity is disposed on the face case, a sound output surface of the speaker is opposite to the sound cavity, a side sound output hole is disposed on a side surface of the face case, and the side sound output hole is communicated with the sound cavity.

In the sound outlet structure of the loudspeaker, the loudspeaker sound cavity is designed to be a fixed volume value, the operation is troublesome when the volume of the loudspeaker sound cavity needs to be modified in the subsequent audio test, the mould of the face shell needs to be modified, and the workload is very large.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a sound cavity structure of an electronic device, which can change the volume when being assembled.

The purpose of the invention can be realized by the following technical scheme:

electronic equipment sound cavity structure, including lower cover, upper cover and be used for connecting the coupling assembling that upper cover and lower cover link, its characterized in that, upper cover and lower cover have two kinds of connection status, the lower cover on be equipped with first cavity and second cavity, the upper cover on be equipped with third cavity and fourth cavity, work as upper cover and lower cover first cavity and fourth cavity intercommunication have constituted first sound chamber when being in first kind of connection status, work as upper cover and lower cover first cavity, second cavity, third cavity and fourth cavity intercommunication have constituted second sound chamber when being in second kind of connection status.

The loudspeaker is arranged in the first cavity, the upper cover and the lower cover have two connection states, the first sound cavity and the second sound cavity are respectively arranged in the two connection states, the volume of the first sound cavity is smaller than that of the second sound cavity, the size of the sound cavity can be changed by changing the connection state of the upper cover and the lower cover, and the requirement of follow-up audio test on the volume change of the sound cavity is met.

In the sound cavity structure of the electronic equipment, one side of the upper cover, which is close to the lower cover, is provided with the sealing foam, and the third cavity and the fourth cavity are arranged in the sealing foam.

In the sound cavity structure of the electronic device, the lower cover is provided with a first side edge, a second side edge, a third side edge, a fourth side edge and a first rib, the first side edge is parallel to the third side edge, the first rib is parallel to the fourth side edge, the first cavity is defined by the first side edge, the second side edge, the third side edge and the first rib, and the second cavity is defined by the first side edge, the third side edge, the fourth side edge and the first rib.

In the sound cavity structure of the electronic device, the sealing foam is provided with a fifth side edge, a sixth side edge, a seventh side edge, an eighth side edge and a second rib, the fifth side edge is parallel to the seventh side edge, the second rib is parallel to the sixth side edge, the third cavity is defined by the fifth side edge, the sixth side edge, the seventh side edge and the second rib, and the fourth cavity is defined by the fifth side edge, the seventh side edge, the eighth side edge and the second rib.

In the sound cavity structure of the electronic device, the second side edge is parallel to the sixth side edge, and the fourth side edge is parallel to the eighth side edge; the distance from the first side edge to the third side edge is equal to the distance from the fifth side edge to the seventh side edge; the distance from the second side edge to the fourth side edge is equal to the distance from the sixth side edge to the eighth side edge; the distance from the second rib to the eighth side edge is equal to the distance from the first rib to the second side edge.

In the sound cavity structure of the electronic device, the first rib is perpendicular to the first side edge; the second ribs are perpendicular to the fifth side edge.

In the sound cavity structure of the electronic device, the connecting assembly includes a first connecting post located in a first row, a second connecting post located in a second row, a third connecting post located in a third row, and a fourth connecting post located in a fourth row, and the upper cover is provided with a first screw located in a fifth row and a second screw located in a sixth row; the distance from the first connecting column to the second connecting column is equal to the distance from the second rib to the sixth side edge, and the distance from the third connecting column to the fourth connecting column is equal to the distance from the first rib to the fourth side edge; the distance from the first screw to the second screw is equal to the distance from the first connecting column to the third connecting column.

In the sound cavity structure of the electronic device, the number of the first connecting column, the number of the second connecting column, the number of the third connecting column and the number of the fourth connecting column are two, and the number of the first screw and the number of the second screw are two.

Compared with the prior art, the sound cavity structure of the electronic equipment has the following advantages: the size of the sound cavity can be changed by changing the connection state of the upper cover and the lower cover during assembly, the operation is convenient, and the requirement of subsequent audio test on the volume change of the sound cavity is met.

Drawings

Fig. 1 is a sectional view of the upper and lower covers in a first connected state.

Fig. 2 is a schematic view of the assembly of the sealing foam with the lower cap in a first state of connection.

Fig. 3 is a sectional view of the upper and lower covers in a second coupled state.

Fig. 4 is a schematic view of the assembly of the sealing foam with the lower cap in a second state of connection.

FIG. 5 is a schematic structural diagram of the lower cover in the preferred embodiment.

FIG. 6 is a schematic view of the structure of the upper cover and the sealing foam in the preferred embodiment.

In the figure, 1, a lower cover; 11. a first side edge; 12. a second side edge; 13. a third side; 14. a fourth side; 15. a first rib; 2. an upper cover; 3. a first cavity; 4. a second cavity; 5. a third cavity; 6. a fourth cavity; 7. a first sound cavity; 8. a second sound cavity; 9. sealing the foam; 91. a fifth side; 92. a sixth side; 93. a seventh side; 94. an eighth side; 95. a second rib; 10. a horn; 1a, a first connecting column; 1b, a second connecting column; 1c, a third connecting column; 1d and a fourth connecting column.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

The sound cavity structure of the electronic device shown in fig. 1 and 3, specifically, the sound cavity structure of a mobile phone or a tablet computer, includes a lower cover 1, an upper cover 2, and a connecting assembly for connecting the upper cover 2 and the lower cover 1, where the upper cover 2 and the lower cover 1 have two connection states. As shown in fig. 5, a first side 11, a second side 12, a third side 13, a fourth side 14 and a first rib 15 are provided on the lower cover 1, the first side 11 is parallel to the third side 13, the first rib 15 is parallel to the fourth side 14, the first side 11, the second side 12, the third side 13 and the first rib 15 enclose a first cavity 3, and the first side 11, the third side 13, the fourth side 14 and the first rib 15 enclose a second cavity 4. In this embodiment, the first cavity 3 is rectangular, the second cavity 4 is rectangular, and the speaker 10 is disposed in the first cavity 3.

One side of the upper cover 2 close to the lower cover 1 is provided with a sealing foam 9, as shown in fig. 6, the sealing foam 9 is provided with a fifth side 91, a sixth side 92, a seventh side 93, an eighth side 94 and a second rib 95, the fifth side 91 is parallel to the seventh side 93, the second rib 95 is parallel to the sixth side 92, the fifth side 91, the sixth side 92, the seventh side 93 and the second rib 95 enclose a third cavity 5, and the fifth side 91, the seventh side 93, the eighth side 94 and the second rib 95 enclose a fourth cavity 6. In this embodiment, the third cavity 5 is rectangular, and the third cavity 5 and the second cavity 4 have the same shape and the same size. The fourth cavity 6 is rectangular, and the fourth cavity 6 is the same as the first cavity 3 in shape and has the same size.

As shown in fig. 1 and 2, when the upper cover 2 and the lower cover 1 are in the first connection state, only the first cavity 3 is communicated with the fourth cavity 6, and a first sound cavity 7 is formed. As shown in fig. 3 and 4, when the upper cover 2 and the lower cover 1 are in the second connection state, the first cavity 3, the second cavity 4, the third cavity 5 and the fourth cavity 6 are communicated, and then the second sound cavity 8 is formed.

As shown in fig. 1 and 3, the connecting assembly includes a first connecting column 1a located in a first row, a second connecting column 1b located in a second row, a third connecting column 1c located in a third row, and a fourth connecting column 1d located in a fourth row, and the upper cover 2 is provided with a first screw located in a fifth row and a second screw located in a sixth row; the distance from the first connecting column 1a to the second connecting column 1b is equal to the distance from the second rib 95 to the sixth side 92, and the distance from the third connecting column 1c to the fourth connecting column 1d is equal to the distance from the first rib 15 to the fourth side 14; the distance from the first screw to the second screw is equal to the distance from the first connecting column 1a to the third connecting column 1 c.

As shown in fig. 2 and 4, the number of the first connecting column 1a, the second connecting column 1b, the third connecting column 1c and the fourth connecting column 1d is two, and the number of the first screw and the number of the second screw are two.

The upper cover 2 and the lower cover 1 are respectively provided with a first sound cavity 7 and a second sound cavity 8 under two connection states, the volume of the first sound cavity 7 is smaller than that of the second sound cavity 8, the size of the sound cavity can be changed by changing the connection state of the upper cover 2 and the lower cover 1, and the requirement of subsequent audio test on the volume change of the sound cavity is met.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides an electronic equipment sound cavity structure, includes lower cover (1), upper cover (2) and is used for connecting upper cover (2) and the coupling assembling that lower cover (1) links, its characterized in that, upper cover (2) and lower cover (1) have two kinds of connection status, lower cover (1) on be equipped with first cavity (3) and second cavity (4), upper cover (2) on be equipped with third cavity (5) and fourth cavity (6), work as upper cover (2) and lower cover (1) first cavity (3) and fourth cavity (6) intercommunication have constituted first sound cavity (7) when being in first connection status, work as upper cover (2) and lower cover (1) first cavity (3), second cavity (4), third cavity (5) and fourth cavity (6) intercommunication have constituted second sound cavity (8) when being in second connection status.

2. The sound cavity structure of electronic equipment according to claim 1, wherein a sealing foam (9) is disposed on one side of the upper cover (2) close to the lower cover (1), and the third cavity (5) and the fourth cavity (6) are disposed in the sealing foam (9).

3. The sound cavity structure of electronic equipment according to claim 2, wherein the lower cover (1) is provided with a first side (11), a second side (12), a third side (13), a fourth side (14) and a first rib (15), the first side (11) is parallel to the third side (13), the first rib (15) is parallel to the fourth side (14), the first cavity (3) is enclosed by the first side (11), the second side (12), the third side (13) and the first rib (15), and the second cavity (4) is enclosed by the first side (11), the third side (13), the fourth side (14) and the first rib (15).

4. The sound cavity structure of electronic equipment according to claim 3, wherein the sealing foam (9) is provided with a fifth side (91), a sixth side (92), a seventh side (93), an eighth side (94) and a second rib (95), the fifth side (91) is parallel to the seventh side (93), the second rib (95) is parallel to the sixth side (92), the third cavity (5) is enclosed by the fifth side (91), the sixth side (92), the seventh side (93) and the second rib (95), and the fourth cavity (6) is enclosed by the fifth side (91), the seventh side (93), the eighth side (94) and the second rib (95).

5. The electronic device sound cavity structure according to claim 4, wherein said second side (12) is parallel to a sixth side (92), and said fourth side (14) is parallel to an eighth side (94); the distance from the first side edge (11) to the third side edge (13) is equal to the distance from the fifth side edge (91) to the seventh side edge (93); the distance from the second side (12) to the fourth side (14) is equal to the distance from the sixth side (92) to the eighth side (94); the distance from the second rib (95) to the eighth side edge (94) is equal to the distance from the first rib (15) to the second side edge (12).

6. The electronic device sound cavity structure according to claim 5, wherein said first rib (15) is perpendicular to said first side edge (11); the second ribs (95) are perpendicular to the fifth side edge (91).

7. The electronic device sound cavity structure according to claim 4, 5 or 6, wherein the connecting assembly comprises a first connecting column (1a) in a first row, a second connecting column (1b) in a second row, a third connecting column (1c) in a third row and a fourth connecting column (1d) in a fourth row, and a first screw in a fifth row and a second screw in a sixth row are arranged on the upper cover (2); the distance from the first connecting column (1a) to the second connecting column (1b) is equal to the distance from the second rib (95) to the sixth side (92), and the distance from the third connecting column (1c) to the fourth connecting column (1d) is equal to the distance from the first rib (15) to the fourth side (14); the distance from the first screw to the second screw is equal to the distance from the first connecting column (1a) to the third connecting column (1 c).

8. The sound cavity structure of electronic equipment according to claim 7, wherein there are two first connecting columns (1a), two second connecting columns (1b), two third connecting columns (1c) and two fourth connecting columns (1d), and there are two first screws and two second screws.