CN216057463U

CN216057463U - Small-size high pitch horn structure and assemble into small-size high pitch unit device thereof

Info

Publication number: CN216057463U
Application number: CN202121841882.6U
Authority: CN
Inventors: 陈健俊
Original assignee: Foshan Art Sound Manufacturing Co ltd
Current assignee: Foshan Art Sound Manufacturing Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-15
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to a small-sized high-pitch horn structure and a small-sized high-pitch unit device assembled by the same, and the small-sized high-pitch horn structure comprises a high-pitch horn body, wherein the high-pitch horn body comprises a square sound-emitting front cavity, a front cavity edge, a conical body rear back part, a throat plug part and a unit fixing part, the square sound-emitting front cavity is of a square pelvic cavity structure, the horizontal direction pointing angle of the square sound-emitting front cavity is larger than the vertical direction pointing angle of the square sound-emitting front cavity, the conical body rear back part is arranged on the back surface of the square sound-emitting front cavity, the throat plug part is arranged on the conical body rear back part and is arranged in the same axis with the square sound-emitting front cavity, the front end of the throat plug part and the side wall in the vertical direction of the square sound-emitting front cavity are in cambered surface smooth transition connection, and the front end of the throat plug part and the side wall in the horizontal direction of the square sound-emitting front cavity are in smooth transition connection. The utility model is very suitable for controlling the sound diffusion angle of the 0.75-1.4 inch high pitch unit through the special structural design so as to control and change the directivity of the small high pitch unit device with the specification.

Description

Small-size high pitch horn structure and assemble into small-size high pitch unit device thereof

Technical Field

The utility model relates to the field of high pitch and loud speaker units, in particular to a small high pitch unit horn and a small high pitch unit device assembled by the same.

Background

At present, in order to enable the tweeter unit to obtain a good high frequency diffusion effect and a stable high frequency directional coverage performance, a tweeter unit horn is generally required to be additionally installed at the front end of the tweeter unit. However, the existing tweeter horn is basically developed for the large-sized tweeter unit, and the corresponding tweeter horn is not developed for the small-sized tweeter unit at all, especially for the 0.75-1.4 inch tweeter unit, but is blank. For the treble directivity control of 0.75-1.4 "treble unit, it is more silent to control its dispersion angle.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above problems and disadvantages, and to provide a small-sized tweeter horn structure and a small-sized tweeter unit device assembled from the same, wherein the small-sized tweeter horn structure is very suitable for controlling the sound diffusion angle of 0.75-1.4 inch tweeter units by means of a specific structural design, so as to control and change the directivity of the small-sized tweeter unit device of the same specification, thereby obtaining the sound field and sound effect quality required by people and satisfying the audiovisual demands of people.

The technical scheme of the utility model is realized as follows: a small-sized high pitch horn structure comprises a high pitch horn body and is characterized in that the high pitch horn body comprises a square sound-emitting front cavity, a front cavity edge, a conical body back part, a throat plug part and a unit fixing part, wherein the square sound-emitting front cavity is a square pelvic cavity structure of which the horizontal direction pointing angle is larger than the vertical direction pointing angle of the square sound-emitting front cavity; the throat plug part is arranged on the back of the conical body and communicated with the square sound-emitting front cavity by the same axial lead, the front end of the throat plug part is smoothly and transitionally connected with the side wall of the square sound-emitting front cavity in the vertical direction in an arc surface manner, and the front end of the throat plug part is smoothly and transitionally connected with the side wall of the square sound-emitting front cavity in the horizontal direction in a turning manner; the unit fixing part is arranged on the rear end of the throat plug part and fixedly connected with the throat plug part into a whole.

Further, the square sound-emitting front cavity has a horizontal direction pointing angle of 90 degrees and a vertical direction pointing angle of 60 degrees.

Still further, a small-scale treble unit device assembled according to the small-scale treble horn structure is characterized by further comprising a small-scale treble unit main body, wherein the small-scale treble unit main body comprises an installation support, 0.75-1.4 inch small-scale treble units, a unit net and a soundproof cotton pad; the mounting bracket is mounted at the front end of the small high pitch unit, the middle part of the mounting bracket is also provided with an inner cavity for embedding a vibrating diaphragm of the small high pitch unit into the mounting bracket, the unit net covers the front end of the inner cavity, and the soundproof cotton pads are arranged on the peripheral edges of the unit net; the mounting bracket is also provided with a fixing lug with a fixing hole, the mounting bracket is fixedly mounted with the unit fixing part through the fixing lug, and the unit net is aligned with the throat plug part.

The utility model has the beneficial effects that: the utility model is very suitable for controlling the sound diffusion angle of the 0.75-1.4 inch high pitch unit through the special structure design, so as to control and change the directivity of the small high pitch unit device with the specification, obtain the sound field and sound effect quality required by people and meet the audiovisual requirements of people.

Drawings

Fig. 1 is a schematic front side view of a small-sized tweeter according to the present invention.

FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1 according to the present invention.

FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 1 according to the present invention.

Fig. 4 is a schematic perspective view of a small-sized tweeter according to the present invention.

Fig. 5 is a perspective view of the tweeter of the present invention assembled with a small tweeter unit body.

Fig. 6 is a schematic perspective view of fig. 5 in a disassembled state according to the present invention.

Detailed Description

As shown in fig. 1 to 4, the small-sized tweeter horn structure of the present invention comprises a tweeter horn body 1, wherein the tweeter horn body 1 comprises a square sound-emitting front cavity 11, a front cavity edge 12, a cone back 13, a throat plug 14 and a unit fixing portion 15; the square sounding front cavity 11 is a square cavity structure with a horizontal direction pointing angle L larger than a vertical direction pointing angle V thereof, so as to control the diffusion angle of the high-pitch unit. At this time, in order to achieve a better balance of volume with sound field effect, the horizontal direction pointing angle of the square shaped sound front chamber 11 is set to 90 degrees, and the vertical direction pointing angle thereof is set to 60 degrees, and the sound effect balance feeling obtained is optimal. The front cavity edge 12 is a square cavity edge arranged on the periphery of the square sounding front cavity 11, and a mounting and fixing hole 18 is further arranged on the corner of the front cavity edge 12 so as to facilitate mounting and fixing of the high-pitch horn on the sound box. The cone back 13 is arranged on the back of the square sound-emitting front cavity 11, and the back of the square sound-emitting front cavity 11 is designed to be cone-shaped, so that the back volume of the high-pitch horn is reduced, the weight is reduced, and raw materials are saved.

As shown in fig. 2 and fig. 3, the throat plug 14 is disposed on the back 13 of the cone and is connected to the square front sound-emitting cavity 11 along the same axial line, the front end of the throat plug 14 is connected to the side wall of the square front sound-emitting cavity 11 in the vertical direction in a smooth transition 141, and the front end of the throat plug 14 is connected to the side wall of the square front sound-emitting cavity 11 in the horizontal direction in a smooth transition 142, so as to obtain the effect that the horizontal direction pointing angle L is greater than the vertical direction pointing angle V in cooperation.

As shown in fig. 4, the unit fixing portion 15 is provided on the rear end of the throat portion 14 and is fixedly integrated with the throat portion 14. The unit fixing portion 15 is further provided with a plurality of unit fixing holes 17 for facilitating the fixed connection with the small-sized treble unit body 2.

In order to reinforce the structural strength between the unit fastening portion 15 and the cone back portion 13 so as not to be easily broken, as shown in fig. 4, a reinforcing connecting rib 16 is further provided between the unit fastening portion 15 and the cone back portion 13.

As shown in fig. 5 and 6, when a complete small-sized treble unit set is constructed, the present invention further includes a small-sized treble unit body 2, the small-sized treble unit body 2 including a mounting bracket 21, a 0.75-1.4 inch small-sized treble unit 22, a unit net 23, and an acoustic insulating cotton pad 24; wherein, installing support 21 installs in the front end of small-size high pitch unit 22, still is provided with the inner chamber that supplies the vibrating diaphragm embedding suit of small-size high pitch unit 22 in the middle part of installing support 21, cell net 23 covers on the front end of inner chamber, soundproof cotton pad 24 sets up in the edge all around of cell net 23, after small-size high pitch unit main part 2 and high pitch horn body 1 looks fixed connection, soundproof cotton pad 24 presss from both sides in small-size high pitch unit main part 2 and high pitch horn body 1, plays the effect of sealed leak protection sound. The mounting bracket 21 is further provided with a fixing lug 26 with a fixing hole 25, and the mounting bracket 21 is fixedly mounted with the unit fixing part 15 through the fixing lug 26. Specifically, the bolt and the nut are fixedly assembled into a whole. The cell web 23 is positioned in alignment with the throat 14.

The above description of the structural schemes is an embodiment of the preferred embodiments of the present invention, but it does not represent a limitation to the protection scope of the technical schemes of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention and fall into the scope of the present invention.

Claims

1. The utility model provides a small-size high pitch horn structure, includes high pitch horn body (1), its characterized in that: the high pitch horn body (1) comprises a square sound-emitting front cavity (11), a front cavity edge (12), a conical body rear back part (13), a throat plug part (14) and a unit fixing part (15), wherein the throat plug part (14) is arranged on the front cavity edge, and the unit fixing part (15) is arranged on the rear back part

The square sound-emitting front cavity (11) is of a square pelvic cavity structure, the pointing angle of the square sound-emitting front cavity in the horizontal direction is larger than that of the square pelvic cavity structure in the vertical direction, the front cavity edge (12) is a square pelvic cavity edge arranged on the peripheral edge of the square sound-emitting front cavity (11), and the back part (13) of the conical body is arranged on the back surface of the square sound-emitting front cavity (11);

the throat plug part (14) is arranged on the back part (13) of the conical body and communicated with the square sound-emitting front cavity (11) along the same axial lead, the front end of the throat plug part (14) is in smooth transition connection with the side wall of the square sound-emitting front cavity (11) in the vertical direction in an arc surface shape, and the front end of the throat plug part (14) is in smooth transition connection with the side wall of the square sound-emitting front cavity (11) in the horizontal direction in a smooth turning manner;

the unit fixing part (15) is arranged on the rear end of the throat plug part (14) and fixedly connected with the throat plug part (14) into a whole.

2. The small-sized tweeter horn structure of claim 1, wherein: the horizontal direction pointing angle of the square sound-emitting front cavity (11) is 90 degrees, and the vertical direction pointing angle is 60 degrees.

3. The small-sized tweeter horn structure of claim 1, wherein: and a reinforced connecting rib (16) is also arranged between the unit fixing part (15) and the back part (13) of the conical body.

4. The small-sized tweeter horn structure of claim 2, wherein: the unit fixing part (15) is also provided with a plurality of unit fixing holes (17).

5. The small-sized tweeter horn structure of claim 1, wherein: and the corner of the front cavity edge (12) is also provided with a mounting and fixing hole (18).

6. A small treble horn structure as set forth in any one of claims 1 to 5 assembled into a small treble unit device, wherein: the small-sized high pitch unit comprises a small-sized high pitch unit main body (2), wherein the small-sized high pitch unit main body (2) comprises a mounting bracket (21), a small-sized high pitch unit (22) of 0.75-1.4 inches, a unit net (23) and a soundproof cotton pad (24); wherein

The mounting support (21) is mounted at the front end of the small high pitch unit (22), an inner cavity for embedding a vibrating diaphragm of the small high pitch unit (22) is further arranged in the middle of the mounting support (21), the unit net (23) covers the front end of the inner cavity, and the soundproof cotton pads (24) are arranged on the peripheral edges of the unit net (23);

the mounting bracket (21) is further provided with a fixing lug (26) with a fixing hole (25), the mounting bracket (21) is fixedly mounted with the unit fixing part (15) through the fixing lug (26), and the unit net (23) is aligned with the throat plug part (14).