CN214014453U - Box front cover of sound box and combined sound box - Google Patents

Box front cover of sound box and combined sound box Download PDF

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Publication number
CN214014453U
CN214014453U CN202120315599.3U CN202120315599U CN214014453U CN 214014453 U CN214014453 U CN 214014453U CN 202120315599 U CN202120315599 U CN 202120315599U CN 214014453 U CN214014453 U CN 214014453U
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front cover
horn
cavity
sound
tone
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CN202120315599.3U
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Chinese (zh)
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李晗
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Changzhou Meishuo Audio Co ltd
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Changzhou Meishuo Audio Co ltd
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Abstract

The utility model discloses a box body front cover of a sound box and a combined sound box, which comprises a peripheral frame, a clapboard, a front cover plate, a sealing plate, a middle-tone horn hole, a bass horn cavity and a return tone cavity; the baffle sets up in the middle part of frame, divides into upper portion midrange range and lower part bass region inside the frame. A front cover plate and a sealing plate are respectively arranged in the front and the back of a space formed by the partition plate and the frame above the partition plate, and a plurality of middle-tone horn holes are formed in the front cover plate. The center of the bass region below the partition board is provided with a bass horn cavity, and the upper, lower, left and right corners of the bass horn cavity are respectively provided with a whistling cavity. The utility model discloses a wholeness of audio amplifier sound chamber has obtained the improvement, is favorable to the resonance of sound, has guaranteed the tone quality of well sound and bass.

Description

Box front cover of sound box and combined sound box
Technical Field
The utility model relates to an audio amplifier, concretely relates to box protecgulum and setting of audio amplifier the audio amplifier of box protecgulum.
Background
Chinese patent document CN205793231U (application No. 201620745937.6) discloses an omnidirectional loudspeaker box, which comprises a front side of a box body, a back side of the box body, concave positions respectively arranged on the front side of the box body and the two sides of the back side of the box body, and a plurality of sets of loudspeaker units respectively arranged on the front side of the box body and the back side of the box body. The concave positions on the two sides of the front surface of the box body are respectively provided with a ribbon tweeter, a 50MM mediant horn and a 6 inch mediant horn. A belt type tweeter, a 50MM mediant horn and a 6 inch mediant horn are arranged between the concave positions at the two sides of the front surface of the box body. The upper and lower of the front of the box body are respectively provided with 8-inch woofers, the front of the box body is provided with 10-inch ultra-woofers, concave positions on two sides of the back of the box body are respectively provided with a belt type tweeter, a 50MM middle-tone horn and a 6-inch middle-tone horn, and the back of the box body is provided with 10-inch ultra-woofers. The sound box has the effects of all-round sound production and good sound effect.
If a mid-low sound box is designed, the improvement of the scheme is that the ribbon tweeter beside the 10-inch subwoofer of the sound box is omitted. The middle-low sound box with the structure has the effect of all-around sound production, but the structure is more complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a box protecgulum and setting of audio amplifier the well low audio amplifier of box protecgulum is provided.
The technical scheme for realizing the first purpose of the utility model is a front cover of a box body of a sound box, which comprises a peripheral frame, a clapboard, a front cover plate, a sealing plate, a middle-tone horn hole, a bass horn cavity and a return tone cavity; the baffle sets up in the middle part of frame, divides into upper portion midrange range and lower part bass region inside the frame.
A front cover plate and a sealing plate are respectively arranged in the front and the back of a space formed by the partition plate and the frame above the partition plate, and a plurality of middle-tone horn holes are formed in the front cover plate.
The center of the bass region below the partition board is provided with a bass horn cavity, and the upper, lower, left and right corners of the bass horn cavity are respectively provided with a whistling cavity.
The plurality of middle-tone horn holes formed in the front cover plate are symmetrically distributed along the plumb direction and the horizontal direction of the front cover plate.
A middle-tone horn cavity is arranged behind the middle-tone horn hole in the front cover plate and used for placing a middle-tone horn.
The minimum number of the middle sound horn holes on the front cover plate is two, and the upper limit is the maximum number which can be placed according to the size of the front cover plate and the size of the middle sound horn.
The sealing plate is positioned behind the plurality of middle sound horn cavities and is provided with a wire through hole; an inner cavity is formed among the front end surface of the sealing plate, the frame, the partition plate, the rear end surface of the front cover plate and the rear end surface of the middle sound horn cavity.
Realize the utility model discloses the technical scheme of second purpose is a combination audio amplifier, including box protecgulum, box back cover and cover plate, the audio amplifier box is constituteed to box protecgulum, box back cover, and the cover plate sets up the front end at the box protecgulum. The cover plate is a mesh enclosure.
The front cover of the box body comprises a peripheral frame, a partition plate, a front cover plate, a sealing plate, a middle-tone horn hole, a bass horn cavity and a echo cavity; the baffle is arranged in the middle of the frame to divide the interior of the frame into an upper middle sound area and a lower bass area; a front cover plate and a sealing plate are respectively arranged in the front and the back of a space formed by the partition board and the frame above the partition board, and a plurality of mediant horn holes are formed in the front cover plate; a bass horn cavity is arranged in the center of the bass region below the partition plate, and a whispering cavity is respectively arranged at the upper, lower, left and right corners of the bass horn cavity;
the middle-tone horn is arranged in the middle-tone horn hole of the front cover of the box body, and the bass horn is arranged in the bass horn cavity of the front cover of the box body.
After the middle-tone loudspeakers are installed, all the middle-tone loudspeakers are symmetrically arranged along the plumb direction and the horizontal direction central line of the front cover plate.
The minimum number of the mediant horns is two, and the upper limit is the maximum number which can be placed according to the size of the front cover plate and the size of the mediant horns.
The sealing plate is positioned behind the plurality of middle sound horn cavities and is provided with a wire through hole; an inner cavity is formed among the front end surface of the sealing plate, the frame, the partition plate, the rear end surface of the front cover plate and the rear end surface of the middle sound horn cavity; after the middle-tone horn is installed, the inner cavity is a closed inner cavity.
The utility model discloses has positive effect:
(1) the utility model discloses the box protecgulum structure to current audio amplifier has improved, sets up the baffle at the middle part of protecgulum structure and falls into upper portion midtone region and lower part bass region with it. In the middle voice area of the upper portion, a plurality of horn holes are formed in the front cover plate and used for placing middle voice horns, and the horn holes are symmetrically arranged along the plumb direction and the horizontal direction of the center line of the front cover plate. For the lower bass region below the partition plate, the upper corner, the lower corner, the left corner and the right corner of the bass horn cavity are respectively provided with a whispering cavity. The middle-tone loudspeaker and the low-tone loudspeaker are respectively arranged in the corresponding loudspeaker holes of the front cover of the box body, and after the rear cover and the cover plate of the box body are arranged, the integrity of the sound cavity is improved, the resonance of sound is facilitated, and the tone quality of middle-tone and low-tone is ensured.
(2) The utility model discloses a loudspeaker box, after the well audio amplifier is installed to the well audio amplifier district, the central axis of well audio amplifier is 0 ~ 30 with the horizontal perpendicular line contained angle of front shroud, through the angle of adjusting well audio amplifier, controls the diffusion direction of sound.
Drawings
Fig. 1 is a schematic perspective view of a front cover of a box in embodiment 1.
Fig. 2 is a schematic perspective view of the front cover of the box body viewed from the rear of fig. 1.
Fig. 3 is a schematic structural view of the sound box of embodiment 1.
Fig. 4 is a schematic perspective view of a front cover of a box body according to embodiment 2.
Fig. 5 is a schematic structural view of the sound box of embodiment 2.
Fig. 6 is an appearance schematic diagram of the sound box of the present invention.
The reference numbers in the above figures are as follows: the loudspeaker box comprises a box body front cover 1, a frame 1-1, a partition plate 1-2, a front cover plate 1-3, a sealing plate 1-4, a wire through hole 1-4-1, a middle sound loudspeaker hole 1-5, a middle sound loudspeaker cavity 1-6, a bass loudspeaker cavity 1-7 and a return sound cavity 1-8; a box body rear cover 2 and a cover plate 3.
Detailed Description
(example 1)
Referring to fig. 1 and 2, a front cover 1 of a cabinet of the sound box of the present embodiment is an injection-molded integrated component, and includes a peripheral frame 1-1, a partition plate 1-2, a front cover plate 1-3, a sealing plate 1-4, a middle speaker hole 1-5, a middle speaker cavity 1-6, a bass speaker cavity 1-7, and an echo cavity 1-8.
The partition board 1-2 is disposed in the middle of the frame 1-1 to divide the interior of the frame 1-1 into an upper area and a lower area, in this embodiment, the upper area is an upper middle-pitch area, and the lower area is a lower low-pitch area.
A front cover plate 1-3 and a sealing plate 1-4 are respectively arranged above the partition plate 1-2, in the space formed by the partition plate 1-2 and the peripheral frame 1-1, in front and at back. The front cover plate 1-3 is provided with a plurality of middle sound horn holes 1-5 (6 in the embodiment), and the middle sound horn holes 1-5 are symmetrically arranged along the central line of the plumb direction and the horizontal direction of the front cover plate. Four corners of each middle sound horn hole 1-5 are provided with mounting holes for mounting the middle sound horn. A middle sound horn cavity 1-6 is arranged behind the middle sound horn hole 1-5 and used for placing the middle sound horn, and the front end of the middle sound horn cavity 1-6 is open and the rear end is closed.
The number of the center horn holes 1-5 on the front cover plate 1-3 is at least 2, and the upper limit is the maximum number which can be placed according to the size of the front cover plate 1-3 and the size of the center horn.
The sealing plate 1-4 is positioned behind the plurality of middle sound horn cavities 1-6, and the sealing plate 1-4 is provided with wire through holes 1-4-1. An inner cavity is formed among the front end face of the sealing plate 1-4, the frame 1-1, the partition plate 1-2, the rear end face of the front cover plate 1-3 and the rear end face of the middle sound horn cavity 1-6. After the horn is installed, the inner cavity is a closed inner cavity.
The center of the bass region below the clapboard 1-2 is provided with a bass horn cavity 1-7 for placing a bass horn. The upper, lower, left and right corners of the bass horn cavities 1-7 are respectively provided with a whispering cavity 1-8. The echo cavity 1-8 is communicated with the inside of the rear cover 2 of the sound box body.
Referring to fig. 3 and 6, the sound box with the box front cover 1 comprises a box front cover 1, a box rear cover 2 and a cover plate 3, wherein the box front cover 1 and the box rear cover 2 are connected through a plug connector and a plug hole to form a sound box body. The cover plate 3 is arranged at the front end of the front cover 1 of the box body. In this embodiment, the cover plate 3 is a mesh cover.
A plurality of mediant horns, 6 in the embodiment, are arranged in the middle sound zone at the upper part of the front cover 1 of the box body, the included angle between the central axis of the mediant horns and the horizontal vertical line of the front cover plate 1-3 is 0-30 degrees, preferably 0-20 degrees (see fig. 4), and the diffusion direction of sound can be controlled by adjusting the angle of the mediant horns. A bass horn is arranged in the bass area at the lower part of the front cover 1 of the box body.
The utility model discloses box protecgulum structure to current audio amplifier has improved, has separated the box protecgulum structure with the baffle, and upper portion midrange sound district sets up the midrange loudspeaker group, and the lower part bass district sets up a woofer, and the wholeness in the audio amplifier sound chamber of this kind of combination has obtained improving, is favorable to the resonance of sound, has guaranteed the tone quality of midrange sound and bass.
(example 2)
Referring to fig. 4 and 5, the front cover 1 of the cabinet of the sound box of the present embodiment is otherwise the same as that of embodiment 1, except that: in the embodiment, 12 middle-tone horn holes 1-5 are formed in the front cover plate 1-3, and a horn installation cavity is arranged behind each middle-tone horn hole 1-5. In fig. 4 and 5, both the midrange and woofer are mounted.
The rest of the sound box of the embodiment is the same as that of the embodiment 1, except that: 12 middle speakers are arranged in the middle voice area of the sound box.

Claims (10)

1. The utility model provides a box protecgulum of audio amplifier which characterized in that: comprises a peripheral frame (1-1), a clapboard (1-2), a front cover plate (1-3), a sealing plate (1-4), a middle-tone horn hole (1-5), a bass horn cavity (1-7) and a echo cavity (1-8); the clapboard (1-2) is arranged in the middle of the frame (1-1) and divides the interior of the frame (1-1) into an upper middle-tone area and a lower low-tone area;
a front cover plate (1-3) and a sealing plate (1-4) are respectively arranged in the front and the back of a space formed by the partition plate (1-2) and the frame (1-1) above the partition plate (1-2), and a plurality of middle-tone horn holes (1-5) are formed in the front cover plate (1-3);
the center of the bass region below the partition board (1-2) is provided with a bass horn cavity (1-7), and the upper, lower, left and right corners of the bass horn cavity 1-7 are respectively provided with a echo cavity (1-8).
2. The cabinet front cover of a sound box according to claim 1, wherein: the front cover plate (1-3) is provided with a plurality of middle sound horn holes (1-5) which are symmetrically arranged along the plumb direction and the horizontal direction central line of the front cover plate.
3. The cabinet front cover of a sound box according to claim 1, wherein: a middle sound horn cavity (1-6) is arranged behind the middle sound horn hole (1-5) on the front cover plate (1-3) and used for placing the middle sound horn.
4. The cabinet front cover of a sound box according to claim 1, wherein: the number of the middle sound horn holes (1-5) on the front cover plate (1-3) is at least 2, and the upper limit is the maximum number which can be placed according to the size of the front cover plate (1-3) and the size of the middle sound horn.
5. The cabinet front cover of a sound box according to claim 4, wherein: the sealing plate (1-4) is positioned behind the plurality of middle-tone horn cavities (1-6), and the sealing plate (1-4) is provided with wire through holes (1-4-1); an inner cavity is formed among the front end face of the sealing plate (1-4), the frame (1-1), the partition plate (1-2), the rear end face of the front cover plate (1-3) and the rear end face of the middle sound horn cavity (1-6).
6. A combined sound box comprises a box body front cover (1), a box body rear cover (2) and a cover plate (3), wherein the box body front cover (1) and the box body rear cover (2) form a sound box body, and the cover plate (3) is arranged at the front end of the box body front cover (1); the method is characterized in that:
the box body front cover (1) comprises a peripheral frame (1-1), a partition plate (1-2), a front cover plate (1-3), a sealing plate (1-4), a middle-tone horn hole (1-5), a bass horn cavity (1-7) and a echo cavity (1-8); the clapboard (1-2) is arranged in the middle of the frame (1-1) and divides the interior of the frame (1-1) into an upper middle-tone area and a lower low-tone area; a front cover plate (1-3) and a sealing plate (1-4) are respectively arranged in the front and the back of a space formed by the partition plate (1-2) and the frame (1-1) above the partition plate (1-2), and a plurality of middle-tone horn holes (1-5) are formed in the front cover plate (1-3); a bass horn cavity (1-7) is arranged in the center of a bass region below the partition plate (1-2), and a echo cavity (1-8) is respectively arranged at the upper, lower, left and right corners of the bass horn cavity 1-7;
a middle-tone horn is arranged in a middle-tone horn hole (1-5) of the box body front cover (1), and a bass horn is arranged in a bass horn cavity (1-7) of the box body front cover (1).
7. The built-up speaker of claim 6, wherein: after the middle-tone horn is installed, the middle-tone horn is symmetrically arranged along the plumb direction and the horizontal direction central line of the front cover plate.
8. The built-up speaker of claim 7, wherein: the number of the mediant horns is 2 at least, and the upper limit is the maximum number which can be placed according to the size of the front cover plate (1-3) and the size of the mediant horns.
9. The built-up speaker of claim 6, wherein: the sealing plate (1-4) is positioned behind the plurality of middle-tone horn cavities (1-6), and the sealing plate (1-4) is provided with wire through holes (1-4-1); an inner cavity is formed among the front end face of the sealing plate (1-4), the frame (1-1), the partition plate (1-2), the rear end face of the front cover plate (1-3) and the rear end face of the middle sound horn cavity (1-6); after the middle-tone horn is installed, the inner cavity is a closed inner cavity.
10. The built-up speaker of claim 6, wherein: the cover plate (3) is a mesh cover.
CN202120315599.3U 2021-02-03 2021-02-03 Box front cover of sound box and combined sound box Active CN214014453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120315599.3U CN214014453U (en) 2021-02-03 2021-02-03 Box front cover of sound box and combined sound box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120315599.3U CN214014453U (en) 2021-02-03 2021-02-03 Box front cover of sound box and combined sound box

Publications (1)

Publication Number Publication Date
CN214014453U true CN214014453U (en) 2021-08-20

Family

ID=77296279

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120315599.3U Active CN214014453U (en) 2021-02-03 2021-02-03 Box front cover of sound box and combined sound box

Country Status (1)

Country Link
CN (1) CN214014453U (en)

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