CN214101669U

CN214101669U - Passive loudspeaker box

Info

Publication number: CN214101669U
Application number: CN202120189339.6U
Authority: CN
Inventors: 贾翔钧
Original assignee: Dongguan Yier Technology Co ltd
Current assignee: Dongguan Yier Technology Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-08-31
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to the technical field of sound boxes, in particular to a passive sound box, which comprises a rear cover, a front cover and a net cover, wherein the front cover is arranged on the front end surface of the rear cover; the utility model discloses a loudspeaker, including protecgulum, lid, wire cover, back end face, back lid, cell cover, horn hole, a plurality of horn holes that are used for fixing a position loudspeaker are seted up to the lower extreme of protecgulum, the rear end face of lid and the horn hole of protecgulum behind the wire cover cladding, wire cover and back lid fixed connection, the mesh has been seted up to the horn hole position that the wire cover corresponds the protecgulum. The utility model realizes the integrated extension design of the mounting piece assembled with the television from the upper end of the middle part of the front cover, can improve the integration degree, and is more favorable for avoiding the abnormal sound phenomenon; in addition, the mesh cover is designed in an extending mode, and the mesh cover covers the front cover and the rear cover at the same time, so that the front cover and the rear cover can be fixed in an auxiliary mode, the loudspeaker can be effectively protected, and the basic function of the mesh cover is achieved.

Description

Passive loudspeaker box

Technical Field

The utility model relates to an audio amplifier technical field, concretely relates to passive audio amplifier.

Background

As flat panel televisions have become popular and as technology has advanced dramatically, the thickness of the television is becoming thinner and thinner, and the effect of the built-in speaker of the flat panel television has not reached the high sound pressure level of HiFi high sound quality due to the limitations of thickness, structural strength, size, sound direction and other factors. Although the flat-panel television brings high-definition and ultrathin visual enjoyment to people, the flat-panel television is lighter and thinner in tone quality, and the tone quality of the flat-panel television is not as full and thick as that of a CRT television. At present, the sound box is separated independently and is hung on a television through a bracket, but the bracket and the sound box are not integrated, so the bracket and the sound box are easy to generate tremble to generate abnormal sound; in addition, the current net cover only plays a simple dustproof protection role, and the function of the net cover is slightly obvious.

Disclosure of Invention

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a supplementary fixed, the passive audio amplifier of installed part integration of wire mesh cover.

The purpose of the utility model is realized through the following technical scheme:

a passive sound box comprises a rear cover, a front cover and a net cover, wherein the front cover is arranged on the front end face of the rear cover, an installation piece is arranged at the upper end of the middle part of the front cover in an extending mode, and installation holes are formed in the left end and the right end of the installation piece;

the utility model discloses a loudspeaker, including protecgulum, lid, wire cover, back end face, back lid, cell cover, horn hole, a plurality of horn holes that are used for fixing a position loudspeaker are seted up to the lower extreme of protecgulum, the rear end face of lid and the horn hole of protecgulum behind the wire cover cladding, wire cover and back lid fixed connection, the mesh has been seted up to the horn hole position that the wire cover corresponds the protecgulum.

Wherein, the back lid covers and sets up respectively in the left back lid and the right back lid of back lid left and right sides including middle back, loudspeaker set up in the left lower extreme of left back lid and the right lower extreme of right back lid, left back lid and right back lid all are provided with the screw hole that is used for with protecgulum fixed connection after middle back lid, left.

The left lower extreme of right lower extreme and the right back lid of lid all is provided with the diffusion barrier behind a left side, be provided with the cavity gland at conflict diffusion barrier edge on the diffusion barrier, both ends extend about the cavity gland and are equipped with the connecting piece, the connecting piece passes through screw and back lid fixed connection.

The left lower end of the left rear cover is provided with 3 loudspeakers, and the loudspeakers are a high pitch loudspeaker, a full frequency loudspeaker and a full frequency loudspeaker from left to right in sequence; the right lower extreme of lid is provided with 3 behind the right side loudspeaker are full loudspeaker, full loudspeaker and high pitch horn from a left side to the right side in proper order.

The front cover is provided with a plurality of reinforcing ribs which are arranged in a protruding mode backwards in the position corresponding to the middle rear cover, and the reinforcing ribs are arranged in a criss-cross mode and abut against the middle rear cover.

The rear end of the horn is provided with a horn gasket, a connecting sheet protrudes outwards from the horn gasket, and the connecting sheet is provided with a first connecting hole; the front cover is provided with a connecting column which is in contact with the connecting sheet in a backward protruding mode corresponding to the position of the first connecting hole, the connecting column is provided with a second connecting hole communicated with the first connecting hole, and the first connecting hole and the second connecting hole are fixedly connected through screws.

Wherein, the mesh is square mesh.

Wherein, the outer surface of the net cover is coated with a self-cleaning coating.

The beneficial effects of the utility model reside in that: the utility model realizes the integrated extension design of the mounting piece assembled with the television from the upper end of the middle part of the front cover, can improve the integration degree, and is more favorable for avoiding the abnormal sound phenomenon; in addition, the mesh cover is designed in an extending mode, and the mesh cover covers the front cover and the rear cover at the same time, so that the front cover and the rear cover can be fixed in an auxiliary mode, the loudspeaker can be effectively protected, and the basic function of the mesh cover is achieved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

FIG. 3 is a schematic view of the exploded structure of the utility model after the screen cover is hidden;

fig. 4 is an enlarged structural view of a portion a of fig. 3;

fig. 5 is a schematic structural view of another viewing angle after the mesh cover is hidden according to the present invention;

fig. 6 is an enlarged structural view of a portion B of fig. 5;

fig. 7 is a schematic view of the structure of the net cover of the present invention;

fig. 8 is a partial cross-sectional view of the mesh cover of the present invention;

the reference signs are: 1-front cover, 11-mounting piece, 12-mounting hole, 13-horn hole, 14-connecting column, 15-second connecting hole, 16-reinforcing rib, 2-net cover, 21-mesh, 22-self-cleaning coating, 3-middle rear cover, 31-screw hole, 4-left rear cover, 5-right rear cover, 6-horn, 61-horn gasket, 62-connecting sheet, 63-first connecting hole, 7-diffusion membrane, 71-hollow gland and 72-connecting piece.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1 to 8, which are not intended to limit the present invention.

Example 1

A passive sound box comprises a rear cover, a front cover 1 and a net cover 2, wherein the front cover 1 is arranged on the front end face of the rear cover, an installation piece 11 is arranged at the upper end of the middle part of the front cover 1 in an extending mode, and installation holes 12 are formed in the left end and the right end of the installation piece 11;

a plurality of 6 holes 13 of loudspeaker that are used for fixing a position loudspeaker 6 are seted up to the lower extreme of protecgulum 1, the rear end face of lid and the 6 holes 13 of loudspeaker of protecgulum 1 behind the 2 cladding of wire-cloth lid, wire-cloth lid 2 and hou gai fixed connection, mesh 21 has been seted up to the 6 holes 13 positions of loudspeaker that wire-cloth lid 2 corresponds protecgulum 1.

The utility model realizes the integrated extension design of the mounting part 11 assembled with the television from the upper end of the middle part of the front cover 1, can improve the degree of integration, and is more favorable for avoiding the abnormal sound phenomenon; in addition, the mesh cover 2 is designed in an extending mode, the mesh cover 2 covers the front cover 1 and the rear cover at the same time, the front cover 1 and the rear cover can be fixed in an auxiliary mode, the loudspeaker 6 can be effectively protected, and the basic function of the mesh cover 2 is achieved.

Wherein, the back lid is including middle back lid 3 and set up respectively in the left back lid 4 and the right back lid 5 of back lid left and right sides, loudspeaker 6 sets up in the left lower extreme of left back lid 4 and the right lower extreme of right back lid 5, lid 3, left back lid 4 and right back lid 5 all are provided with the screw hole 31 that is used for with 1 fixed connection of protecgulum after the centre.

The utility model discloses a back lid adopts split type design, when loudspeaker 6 on one side goes wrong, can dismantle left back lid 4 or right back lid 5 alone and maintain, and the maintenance flexibility is stronger, and the dismantlement equipment degree of difficulty is lower.

Wherein, the right lower extreme of lid 4 and the left lower extreme of right back lid 5 all are provided with diffusion barrier 7 behind a left side, be provided with the cavity gland 71 at conflict diffusion barrier 7 edge on the diffusion barrier 7, both ends extend about cavity gland 71 and are equipped with connecting piece 72, connecting piece 72 passes through screw and back lid fixed connection.

Diffusion membrane 7, the diffuser plate promptly, the material that can the reflection diffusion sound, the utility model discloses a further add diffusion membrane 7 can improve bass tone quality through the diffuse reflection to the sound.

The left lower end of the left rear cover 4 is provided with 3 loudspeakers 6, and the left lower end is provided with a high pitch loudspeaker 6, a full frequency loudspeaker 6 and a full frequency loudspeaker 6 in sequence from left to right; lid 5 right lower extreme is provided with 3 behind the right side loudspeaker 6 is full loudspeaker 6, full loudspeaker 6 and high pitch horn 6 for full loudspeaker 6, full loudspeaker 6 and high pitch horn 6 from a left side to the right side in proper order. Through the collocation use of different loudspeaker 6, can effectively improve tone quality.

The front cover 1 is provided with a plurality of reinforcing ribs 16 protruding backwards at positions corresponding to the middle rear cover 3, and the reinforcing ribs 16 are arranged in a criss-cross manner and abut against the middle rear cover 3. Because 1 middle part of protecgulum is main stress point, can improve structural stability through addding strengthening rib 16, the vertical strengthening rib 16 of lid 3 also can play certain syllable-dividing effect in the middle of conflicting in addition, hinders about 6 sound mutual interferences of loudspeaker and influence tone quality.

A horn gasket 61 is arranged at the rear end of the horn 6, a connecting sheet 62 protrudes outwards from the horn gasket 61, and the connecting sheet 62 is provided with a first connecting hole 63; the position of the front cover 1 corresponding to the first connecting hole 63 is provided with a connecting column 14 protruding backwards and abutting against the connecting sheet 62, the connecting column 14 is provided with a second connecting hole 15 communicated with the first connecting hole 63, and the first connecting hole 63 and the second connecting hole 15 are fixedly connected through screws. The utility model discloses a 6 mounting structure simple stable of loudspeaker.

Wherein, mesh 21 is square mesh 21, and dustproof effectual, extremely low to tone quality influence.

Wherein the outer surface of the mesh cover 2 is coated with a self-cleaning coating 22. The self-cleaning coating 22 is coated on the surface of the mesh cover 2, so that the mesh cover 2 can be endowed with a self-cleaning effect, and the mesh cover 2 can be kept clean for a long time.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. A passive audio amplifier which characterized in that: the front cover is arranged on the front end face of the rear cover, an installation piece is arranged at the upper end of the middle of the front cover in an extending mode, and installation holes are formed in the left end and the right end of the installation piece;

2. A passive loudspeaker according to claim 1, wherein: the back lid covers and sets up respectively in the left back lid and the right back lid of the back lid left and right sides including middle back, loudspeaker set up in the left lower extreme of left back lid and the right lower extreme of right back lid, left back lid and right back lid all are provided with the screw hole that is used for with protecgulum fixed connection after middle back lid, left.

3. A passive loudspeaker according to claim 2, wherein: the left lower end of the left rear cover is provided with 3 loudspeakers, namely a high pitch loudspeaker, a full-frequency loudspeaker and a full-frequency loudspeaker from left to right in sequence; the right lower extreme of lid is provided with 3 behind the right side loudspeaker are full loudspeaker, full loudspeaker and high pitch horn from a left side to the right side in proper order.

4. A passive loudspeaker according to claim 2, wherein: the right lower extreme of lid and the left lower extreme of right back lid all are provided with the diffusion barrier behind a left side, be provided with the cavity gland at conflict diffusion barrier edge on the diffusion barrier, both ends extend about the cavity gland and are equipped with the connecting piece, the connecting piece passes through screw and back lid fixed connection.

5. A passive loudspeaker according to claim 2, wherein: the position that the protecgulum corresponds middle back lid is equipped with a plurality of strengthening ribs to the back arch, the strengthening rib vertically and horizontally staggered sets up and is contradicted with middle back lid.

6. A passive loudspeaker according to claim 1, wherein: a horn gasket is arranged at the rear end of the horn, a connecting sheet protrudes outwards and protrudes outwards from the horn gasket, and the connecting sheet is provided with a first connecting hole; the front cover is provided with a connecting column which is in contact with the connecting sheet in a backward protruding mode corresponding to the position of the first connecting hole, the connecting column is provided with a second connecting hole communicated with the first connecting hole, and the first connecting hole and the second connecting hole are fixedly connected through screws.

7. A passive loudspeaker according to claim 1, wherein: the meshes are square meshes.

8. A passive loudspeaker according to claim 1, wherein: the outer surface of the net cover is coated with a self-cleaning coating.