CN214481223U

CN214481223U - Television loudspeaker box and television

Info

Publication number: CN214481223U
Application number: CN202120798716.6U
Authority: CN
Inventors: 陈先丽
Original assignee: Sichuan Changhong Electric Co Ltd
Current assignee: Sichuan Changhong Electric Co Ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-10-22
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to the technical field of display equipment, in particular to a television; the utility model aims to solve the technical problem that a TV audio amplifier that the dismouting is more convenient and sound is more clear is provided, still provide a TV that the dismouting audio amplifier is more convenient. The television sound box comprises a high pitch loudspeaker and a full frequency loudspeaker, and further comprises a box body and a circuit board, wherein the cross section of the box body is in a right trapezoid shape, the wall surface of the box body where the inclined waist of the right trapezoid is positioned is a sound outlet surface, the wall surface of the box body where the upper bottom of the right trapezoid is positioned is a supporting surface, the high pitch loudspeaker and the full frequency loudspeaker are vertically fixed on the sound outlet surface and positioned in a containing cavity, the high pitch loudspeaker and the full frequency loudspeaker are electrically connected with the circuit board, the wall surfaces of the two ends of the box body in the length direction are provided with lug plates, and the lug plates are provided with through holes; the television comprises a television body and further comprises the television sound box, a sound box fixing rod is arranged on the rear shell of the television body, the sound box fixing rod is in transition fit with the through hole in the ear plate, and the supporting surface of the box body is in contact with the rear shell of the television body.

Description

Television loudspeaker box and television

Technical Field

The utility model belongs to the technical field of display device technique and specifically relates to a television.

Background

The existing television sound box is generally integrated on a rear shell of a television body, a loudspeaker emits sound towards the rear or right below a television, and due to the strong high-frequency directivity, the sound is emitted backwards or right below, so that the high frequency reaches the ears of people and is greatly lost, and the sound definition heard by audiences is reduced;

the existing television sound box is integrated on a television body, and needs to be assembled in a factory during manufacturing, and the sound box is inconvenient to disassemble and assemble after leaving a factory, so that a user can not replace the sound box by himself, and diversified requirements of the user can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a TV audio amplifier that the dismouting is more convenient and sound is more clear is provided, still provide a TV that the dismouting audio amplifier is more convenient.

The utility model provides a technical scheme that its technical problem adopted is: TV audio amplifier, including loudspeaker and full loudspeaker, still include box and circuit board, the inside of box is for holding the chamber, the transversal right trapezoid shape of personally submitting of box, the wall of the box at right trapezoid oblique waist place is the sound-emitting surface, the wall of the box at right trapezoid upper base place is the holding surface, loudspeaker and full loudspeaker vertical fixation are on the sound-emitting surface and lie in and hold the chamber, the circuit board is fixed in holding the chamber, loudspeaker and full loudspeaker all are connected with the circuit board electricity, be equipped with the otic placode on the wall at the length direction's of box both ends, be equipped with the through-hole on the otic placode.

Further, loudspeaker fix and are close to otic placode department on the sound surface, and full loudspeaker are fixed in the central authorities department of sound surface, and loudspeaker and full loudspeaker are a row along the length direction of box and arrange, hold the intracavity and are equipped with the paraphase pipe, and the one end of paraphase pipe and the chamber intercommunication that holds, the other end of paraphase pipe and the wall that is close to loudspeaker, is equipped with the box of otic placode pass through the hole intercommunication of paraphase.

Furthermore, a first damping strip with the length direction consistent with the length direction of the box body is arranged on the supporting surface.

Furthermore, a second damping strip with the length direction perpendicular to the length direction of the first damping strip is arranged on the supporting surface and the sound outlet surface.

Furthermore, there are one tweeter and five full-range tweeters.

The television comprises a television body and further comprises the television sound box, a sound box fixing rod is arranged on the rear shell of the television body, the free end of the sound box fixing rod penetrates through a through hole in the ear plate, the sound box fixing rod is in transition fit with the through hole in the ear plate, the television body is electrically connected with the television sound box through a circuit board, and the supporting surface of the box body is in contact with the rear shell of the television body.

Furthermore, a linear bearing is fixed in the through hole of the ear plate, and the sound box fixing rod is in transition fit with an inner ring of the linear bearing.

Furthermore, the television set also comprises a screw, a threaded hole is formed in the free end of the loudspeaker box fixing rod, the screw is connected to the loudspeaker box fixing rod through the threaded hole, and the ear plate is located between the screw and the television body.

The utility model has the advantages that: compared with the prior TV sound box, the TV sound box comprises a high pitch loudspeaker and a full frequency loudspeaker, so that the sound field generated by the sound box is fuller, and further comprises a box body and a circuit board, wherein the inside of the box body is a containing cavity, the cross section of the box body is in a right trapezoid shape, the wall surface of the box body where the oblique waist of the right trapezoid is positioned is a sound emitting surface, the wall surface of the box body where the upper bottom of the right trapezoid is positioned is a supporting surface, the high pitch loudspeaker and the full frequency loudspeaker are vertically fixed on the sound emitting surface and positioned in the containing cavity, the circuit board is fixed in the containing cavity, the high pitch loudspeaker and the full frequency loudspeaker are electrically connected with the circuit board, the wall surfaces at the two ends of the length direction of the box body are provided with lug plates, through holes are arranged on the lug plates, the lug plates are connected with connecting rods on the TV body, the loudspeaker is not fixed inside the TV, the sound box is more convenient to disassemble and assemble, and can meet the diversified requirements of users, and the TV sound box has a right trapezoid section, when the supporting surface is contacted with the rear shell of the television body, the sound outlet surface is oriented to the front oblique lower side of the television, so that the sound wave generated by the loudspeaker is less obstructed during the transmission, the energy attenuation degree of the sound wave is small, and the full frequency and high-pitch loudspeaker are matched, so that even if the medium and high frequency is damaged in the reflection process, a user can have enough medium and high frequency effect, the penetrating power and the definition of the sound are improved, and the sound heard by audiences is clearer;

this TV, including the TV body, still include aforementioned TV audio amplifier, be equipped with the audio amplifier dead lever on the backshell of TV body, the through-hole on the otic placode is passed to the free end of audio amplifier dead lever, through-hole transition fit on audio amplifier dead lever and the otic placode, the TV body passes through the circuit board electricity with the TV audio amplifier and is connected, the holding surface of box and the backshell contact of TV body, because aforementioned TV audio amplifier is installed on the shell of TV body, belong to outer hanging equipment, moreover TV body and TV audio amplifier pass through otic placode and audio amplifier connecting rod transition fit and connect, the backshell of TV need not to unpack apart during the dismouting audio amplifier, the dismouting audio amplifier is more convenient.

Drawings

FIG. 1 is an isometric view of a television speaker;

FIG. 2 is a front view of the structure of the TV speaker;

FIG. 3 is a sectional view of the structure A-A of the TV speaker;

FIG. 4 is a left side view of the configuration of the television speaker;

FIG. 5 is a sectional view of the structure B-B of the television speaker;

FIG. 6 is a schematic view of the assembled TV body and TV speaker;

parts, positions and numbers in the drawings: the loudspeaker comprises a box body 1, a first damping strip 101, a second damping strip 102, an inverter tube 103, an inverter hole 1031, an ear plate 104, a linear bearing 105, a full-range loudspeaker 2, a tweeter 3, a television body 4, a sound box fixing rod 401 and screws 402.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 5, the television sound box, including loudspeaker 3 and full loudspeaker 2, still include box 1 and circuit board, the inside of box 1 is for holding the chamber, box 1's transversal right trapezoid shape of personally submitting, the wall of box 1 at right trapezoid's oblique waist place is the sound-emitting surface, the wall of box 1 at right trapezoid's the last end place is the holding surface, loudspeaker 3 and full loudspeaker 2 vertical fixation are on the sound-emitting surface and lie in and hold the chamber, the circuit board is fixed in holding the chamber, loudspeaker 3 and full loudspeaker 2 all are connected with the circuit board electricity, be equipped with otic placode 104 on the wall at box 1's length direction's both ends, be equipped with the through-hole on the otic placode 104.

For the bass effect of reinforcing audio amplifier, loudspeaker 3 is fixed and is close to otic placode 104 department on the sound surface, full loudspeaker 2 is fixed in the central authorities department of sound surface, loudspeaker 3 and full loudspeaker 2 are a row along the length direction of box 1 and arrange, it is equipped with inverter tube 103 to hold the intracavity, inverter tube 103's one end with hold the chamber intercommunication, inverter tube 103's the other end with be close to loudspeaker 3, be equipped with the wall of the box 1 of otic placode 104 and pass through inverter hole 1031 intercommunication.

In order to avoid the noise caused by the vibration of the supporting surface and the television rear shell due to hard contact, a first damping strip 101 with the length direction consistent with the length direction of the box body 1 is arranged on the supporting surface, the damping strip is made of flexible materials such as sponge, rubber and wool tops, the first damping strip 101 is preferably made of EVA, and the damping effect is better.

Similarly, in order to prevent the sound emitting surface from contacting the rear housing of the television to generate noise, the support surface and the sound emitting surface are provided with second damper bars 102 whose longitudinal directions are perpendicular to the longitudinal direction of the first damper bars 101.

In order to make this TV audio amplifier produce enough big acoustic pressure, guarantee the experience when the distance is watched, loudspeaker 3 has one, and full loudspeaker 2 has five.

The television shown in fig. 6 comprises a television body 4 and further comprises the television sound box, a sound box fixing rod 401 is arranged on a rear shell of the television body 4, the sound box fixing rod 401 can be vertically or horizontally fixed on the rear shell of the television body 4, the free end of the sound box fixing rod 401 penetrates through a through hole in an ear plate 104, the sound box fixing rod 401 is in transition fit with the through hole in the ear plate 104, the television body 4 is electrically connected with the television sound box through a circuit board, a supporting surface of a box body 1 is contacted with the rear shell of the television body 4, and when the supporting surface is contacted with the rear shell of the television body 4, a sound outlet surface faces towards the front oblique lower side of the television body.

In order to reduce the friction between the ear plate 104 and the speaker fixing rod 401 and to facilitate the installation of the television speaker, a linear bearing 105 is fixed in the through hole of the ear plate 104, and the speaker fixing rod 401 is in transition fit with the inner ring of the linear bearing 105.

In order to make the connection between the tv speaker and the speaker fixing rod 401 more secure, the tv further includes a screw 402, a threaded hole is provided at a free end of the speaker fixing rod 401, the screw is connected to the speaker fixing rod 401 through the threaded hole, the ear plate 104 is located between the screw 402 and the tv body 4, and the screw 402 can block the ear plate 104 or the linear bearing 105 from being separated from the speaker fixing rod 401.

Claims

1. TV audio amplifier, including tweeter (3) and full loudspeaker (2), its characterized in that: still include box (1) and circuit board, the inside of box (1) is for holding the chamber, the transversal right trapezoid shape of personally submitting of box (1), the wall of box (1) at right trapezoid's oblique waist place is the sound-emitting surface, the wall of box (1) at right trapezoid's the last end place is the holding surface, loudspeaker (3) and full loudspeaker (2) vertical fixation are on the sound-emitting surface and lie in and hold the chamber, the circuit board is fixed in holding the chamber, loudspeaker (3) and full loudspeaker (2) all are connected with the circuit board electricity, be equipped with otic placode (104) on the wall at the length direction's of box (1) both ends, be equipped with the through-hole on otic placode (104).

2. The television speaker of claim 1, wherein: loudspeaker (3) are fixed and are close to otic placode (104) department on the sound surface, the central authorities department at the sound surface is fixed in full loudspeaker (2), loudspeaker (3) and full loudspeaker (2) are a row along the length direction of box (1) and arrange, it is equipped with inverter tube (103) to hold the intracavity, the one end of inverter tube (103) with hold the chamber intercommunication, the other end of inverter tube (103) with be close to loudspeaker (3), the wall that is equipped with box (1) of otic placode (104) passes through inverter hole (1031) intercommunication.

3. The television speaker of claim 1, wherein: a first damping strip (101) with the length direction consistent with the length direction of the box body (1) is arranged on the supporting surface.

4. The television speaker of claim 3, wherein: and a second damping strip (102) with the length direction vertical to the length direction of the first damping strip (101) is arranged on the supporting surface and the sound outlet surface.

5. The television speaker of any of claims 1-4, wherein: one high pitch horn (3) and five full frequency horns (2).

6. TV, including TV body (4), its characterized in that: the television loudspeaker box of any one of claims 1 to 5, further comprising a loudspeaker box fixing rod (401) disposed on the rear housing of the television body (4), wherein the free end of the loudspeaker box fixing rod (401) passes through the through hole of the ear plate (104), the loudspeaker box fixing rod (401) is in transition fit with the through hole of the ear plate (104), the television body (4) is electrically connected with the television loudspeaker box through the circuit board, and the supporting surface of the box body (1) is in contact with the rear housing of the television body (4).

7. The television of claim 6, wherein: a linear bearing (105) is fixed in a through hole of the ear plate (104), and a sound box fixing rod (401) is in transition fit with an inner ring of the linear bearing (105).

8. The television of claim 6 or 7, wherein: the loudspeaker box fixing rod structure is characterized by further comprising a screw (402), a threaded hole is formed in the free end of the loudspeaker box fixing rod (401), the screw is connected to the loudspeaker box fixing rod (401) through the threaded hole, and the ear plate (104) is located between the screw (402) and the television body (4).