CN217116323U - Sound cavity structure - Google Patents
Sound cavity structure Download PDFInfo
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- CN217116323U CN217116323U CN202221018130.4U CN202221018130U CN217116323U CN 217116323 U CN217116323 U CN 217116323U CN 202221018130 U CN202221018130 U CN 202221018130U CN 217116323 U CN217116323 U CN 217116323U
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Abstract
The utility model discloses a sound cavity structure, which comprises a first shell, a second shell, a first loudspeaker and a second loudspeaker, the rear side of the first shell is open, the middle part of the inner upper side of the first shell is provided with a first driven plate supporting column and a second driven plate supporting column at intervals along the up-down direction, a first mounting hole is formed in the middle of the upper side of the front wall of the first shell, a first driven plate is mounted in the first mounting hole, the second shell is buckled at the rear side of the first shell, a third driven plate supporting column and a fourth driven plate supporting column are arranged in the middle of the inner upper side of the second shell at intervals along the vertical direction, the first passive plate supporting column and the third passive plate supporting column are arranged in a front-back corresponding manner, the second passive plate supporting column and the fourth passive plate supporting column are arranged in a front-back corresponding manner, and a second mounting hole is formed in the middle of the rear side of the second shell, and a second driven plate is mounted in the second mounting hole. The utility model has the advantages of uneasy dislocation, small vibration sound, etc.
Description
Technical Field
The utility model belongs to the technical field of electronic equipment, concretely relates to sound cavity structure.
Background
The sound cavity structure is mainly used in electronic equipment such as projectors and the like and used for releasing sound, the sound cavity structure can be provided with a single or a plurality of passive plates generally, and the passive plates are mainly used for enhancing the bass effect, so that the bass effect of the sound cavity structure is enhanced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sound cavity structure that is difficult for misplacing for solving the weak point among the prior art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a sound cavity structure comprising:
the rear side of the first shell is open, a first driven plate supporting column and a second driven plate supporting column are arranged in the middle of the inner upper side of the first shell at intervals in the left-right direction, a first mounting hole is formed in the middle of the upper side of the front wall of the first shell, and a first driven plate is mounted in the first mounting hole;
the second shell is buckled at the rear side of the first shell, a third driven plate supporting column and a fourth driven plate supporting column are arranged in the middle of the inner upper side of the second shell at intervals along the left-right direction from top to bottom, the first driven plate supporting column and the third driven plate supporting column are arranged in a front-back corresponding mode, the second driven plate supporting column and the fourth driven plate supporting column are arranged in a front-back corresponding mode, a second mounting hole is formed in the middle of the rear side of the second shell, a second driven plate is mounted in the second mounting hole, the first mounting hole and the second mounting hole are arranged in a front-back corresponding mode, a third mounting hole is formed in the left side between the first shell and the second shell, and a fourth mounting hole is formed in the right side between the second shell and the third shell;
the first horn is arranged in the third mounting hole; and
and the second horn is arranged in the fourth mounting hole.
Preferably, the loudspeaker further comprises an electronic connector, one end of the electronic connector is arranged between the first shell and the second shell, the end of the electronic connector is electrically connected with the first loudspeaker and the second loudspeaker, the other end of the electronic connector is a free end, and the free end penetrates through the second shell and extends to the outer side of the second shell.
Preferably, left side upper portion, left side lower part, right side upper portion and right side lower part are equipped with first screw post, second screw post, third screw post and fourth screw post forward respectively in the second casing, first casing left side upper portion, left side lower part, right side upper portion and right side lower part are equipped with first screw, second screw, third screw and fourth screw respectively, and first screw, second screw, third screw and fourth screw are fixed respectively on first screw post, second screw post, third screw post and fourth screw post.
Preferably, the cover is equipped with first EVA sealing block on the first loudspeaker, the cover is equipped with second EVA sealing block on the second loudspeaker.
Preferably, the first horn is fixed to the first housing and the second housing by four fifth screws, and the second horn is fixed to the first housing and the second housing by four sixth screws.
Preferably, the rear side edge of the first housing and the front side edge of the second housing are fixed by ultrasonic welding.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
(1) the utility model discloses the upper side middle part is equipped with first passive board support column and second passive board support column along upper and lower direction left and right sides interval in the first casing, upper side middle part is equipped with third passive board support column and fourth passive board support column along upper and lower direction left and right sides interval in the second casing, first passive board support column and second passive board support column can support first passive board when using, third passive board support column and fourth passive board support column can support second passive board, first passive board and second passive board are restricted the position, be difficult for the dislocation, the sound of shaking is little, the emergence of the sound problem of shaking has been avoided, and the setting of first passive board and second passive board has guaranteed the bass effect of the utility model;
(2) the utility model discloses a rear side edge of first casing and the front side edge of second casing ultrasonic welding are fixed, and after ultrasonic welding is fixed, first casing and second casing are difficult for the dislocation, have avoided the emergence of the scheduling problem of vibration sound;
(3) the utility model is provided with two passive plates, namely a first passive plate and a second passive plate, the passive plate in the prior art has smaller area and insufficient bass effect, and the utility model is provided with two passive plates, thereby achieving better bass effect;
to sum up, the utility model has the advantages of difficult dislocation, little tremolo, etc.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is a rear view of FIG. 1;
fig. 5 is a schematic structural view of the present invention with the first housing removed;
fig. 6 is a schematic view of the structure of fig. 4 with the second housing removed.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, in an embodiment of the present invention, the sound cavity structure of the present invention includes:
the rear side of the first shell 1 is open, a first driven plate supporting column 2 and a second driven plate supporting column 3 are arranged in the middle of the upper side in the first shell 1 at intervals in the left-right direction in the up-down direction, a first mounting hole is formed in the middle of the upper side of the front wall of the first shell 1, and a first driven plate 4 is mounted in the first mounting hole;
the second shell 5 is buckled on the rear side of the first shell 1, a third driven plate support column 6 and a fourth driven plate support column 7 are arranged in the middle of the upper side in the second shell 5 at intervals in the up-down direction, the first driven plate 4 support column 2 and the third driven plate support column 6 are arranged in a front-back corresponding manner, the second driven plate support column 3 and the fourth driven plate support column 7 are arranged in a front-back corresponding manner, a second mounting hole is arranged in the middle of the rear side of the second shell 5, a second driven plate 8 is mounted in the second mounting hole, the first mounting hole and the second mounting hole are arranged in a front-back corresponding manner, a third mounting hole is arranged on the left side between the first shell 1 and the second shell 5, a fourth mounting hole is arranged on the right side between the second shell 5 and the third shell, the first shell 1 and the second shell 5 can be enclosed to form a cavity, and both the first driven plate 4 and the second driven plate 8 are used for enhancing low-frequency response, the loudspeaker structure among the prior art is limited by the structure, passive plate area is too small, for example the area of the single passive plate of the loudspeaker structure among the prior art is 970 square millimeters, the amplitude area of the single drum paper is 1121 square millimeters, when the material object tests, the bass effect is unavailable, the utility model discloses be equipped with two passive plates of first passive plate 4 and second passive plate 8, the bass effect is better and have the restriction of spare part such as first passive plate 4 support column 2, second passive plate 8 support column 3, third passive plate support column 6 and fourth passive plate support column 7, make first passive plate 4 and second passive plate 8 difficult dislocation, avoided the emergence of the phenomenon of tremolo;
the first horn 9, the said first horn 9 is installed in the said third mounting hole; and
and the second horn 10, wherein the second horn 10 is arranged in the fourth mounting hole.
The loudspeaker is characterized by further comprising an electronic connector, wherein one end of the electronic connector is arranged between the first shell 1 and the second shell 5, the end of the electronic connector is electrically connected with the first loudspeaker 9 and the second loudspeaker 10, the other end of the electronic connector is a free end, and the free end penetrates out of the second shell 5 to extend to the outer side of the second shell 5.
Left side upper portion, left side lower part, right side upper portion and right side lower part are equipped with first screw post 11, second screw post 12, third screw post 13 and fourth screw post 14 forward respectively in the second casing 5, 1 left side upper portion, left side lower part, right side upper portion of first casing and right side lower part are equipped with first screw 15, second screw 16, third screw 17 and fourth screw 18 respectively, and first screw 15, second screw 16, third screw 17 and fourth screw 18 are fixed respectively on first screw post 11, second screw post 12, third screw post 13 and fourth screw post 14.
The cover is equipped with first EVA sealing block 19 on first loudspeaker 9, the cover is equipped with second EVA sealing block 20 on second loudspeaker 10.
The rear side edge of the first housing 1 and the front side edge of the second housing 5 are fixed by ultrasonic welding.
The utility model discloses a concrete use as follows:
the utility model discloses install and use in electronic equipment such as projecting apparatus, install the free end connection of electronic connector and use on the controller of projecting apparatus, the utility model discloses a first driven plate 4 support column 2 and second driven plate 8 support column 3 can support first driven plate 4, and third driven plate support column 6 and fourth driven plate support column 7 can support second driven plate 8, have avoided first driven plate 4 and second driven plate 8's dislocation, make the utility model discloses the sound problem of shaking has been avoided when using.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (6)
1. Sound cavity structure, its characterized in that includes:
the rear side of the first shell is open, a first driven plate supporting column and a second driven plate supporting column are arranged in the middle of the inner upper side of the first shell at intervals in the left-right direction, a first mounting hole is formed in the middle of the upper side of the front wall of the first shell, and a first driven plate is mounted in the first mounting hole;
the second casing is buckled at the rear side of the first casing, a third driven plate supporting column and a fourth driven plate supporting column are arranged in the middle of the inner upper side of the second casing at intervals in the left-right direction from top to bottom, the first driven plate supporting column and the third driven plate supporting column are correspondingly arranged in the front-back direction, the second driven plate supporting column and the fourth driven plate supporting column are correspondingly arranged in the front-back direction, a second mounting hole is formed in the middle of the rear side of the second casing, a second driven plate is mounted in the second mounting hole, the first mounting hole and the second mounting hole are correspondingly arranged in the front-back direction, a third mounting hole is formed in the left side between the first casing and the second casing, and a fourth mounting hole is formed in the right side between the second casing and the third casing;
the first horn is arranged in the third mounting hole; and
and the second horn is arranged in the fourth mounting hole.
2. The acoustic chamber structure according to claim 1, wherein: still include electronic connector, electronic connector's one end setting is between first casing and second casing and electronic connector's this end and first loudspeaker and second loudspeaker electricity are connected, and electronic connector's the other end is the free end and this free end wears out the outside that second casing extends the second casing.
3. The acoustic chamber structure according to claim 2, wherein: left side upper portion, left side lower part, right side upper portion and right side lower part are equipped with first screw post, second screw post, third screw post and fourth screw post forward respectively in the second casing, first casing left side upper portion, left side lower part, right side upper portion and right side lower part are equipped with first screw, second screw, third screw and fourth screw respectively, and first screw, second screw, third screw and fourth screw are fixed respectively on first screw post, second screw post, third screw post and fourth screw post.
4. The acoustic chamber structure according to claim 2, wherein: the cover is equipped with first EVA sealed piece on the first loudspeaker, the cover is equipped with the sealed piece of second EVA on the second loudspeaker.
5. The acoustic chamber structure according to claim 2, wherein: the first loudspeaker are fixed on the first shell and the second shell through four fifth screws, and the second loudspeaker are fixed on the first shell and the second shell through four sixth screws.
6. The acoustic chamber structure according to claim 2, wherein: the rear side edge of the first shell and the front side edge of the second shell are fixed in an ultrasonic welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221018130.4U CN217116323U (en) | 2022-04-28 | 2022-04-28 | Sound cavity structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221018130.4U CN217116323U (en) | 2022-04-28 | 2022-04-28 | Sound cavity structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217116323U true CN217116323U (en) | 2022-08-02 |
Family
ID=82586211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221018130.4U Active CN217116323U (en) | 2022-04-28 | 2022-04-28 | Sound cavity structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217116323U (en) |
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2022
- 2022-04-28 CN CN202221018130.4U patent/CN217116323U/en active Active
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