CN214205824U - Sound box with double full-frequency loudspeakers - Google Patents
Sound box with double full-frequency loudspeakers Download PDFInfo
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- CN214205824U CN214205824U CN202120243083.2U CN202120243083U CN214205824U CN 214205824 U CN214205824 U CN 214205824U CN 202120243083 U CN202120243083 U CN 202120243083U CN 214205824 U CN214205824 U CN 214205824U
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Abstract
The utility model discloses a sound box with double full-frequency loudspeakers, which comprises a first full-frequency loudspeaker, a second full-frequency loudspeaker, a high pitch loudspeaker and a shell; the accommodating cavity of the shell is provided with a step part, the left end of the step part extends to the rear side of the second full-frequency loudspeaker, and the step part is provided with a sound guide hole which is respectively communicated with the accommodating cavity and the outside air; the circuit board is arranged in the accommodating cavity, the circuit board is arranged on the front side of the step portion, the first full-frequency loudspeaker and the second full-frequency loudspeaker are both located on the front side of the circuit board, the high pitch loudspeaker is located on the front side of the step portion, the distance between the first full-frequency loudspeaker and the circuit board is defined as a first distance, the distance between the second full-frequency loudspeaker and the circuit board is defined as a second distance, the distance between the high pitch loudspeaker and the step portion is defined as a third distance, the first distance is equal to the second distance, and the third distance is larger than the second distance; the traditional mode of arranging a single loudspeaker is replaced, and the layering sense of the middle and low audio frequencies can be improved.
Description
Technical Field
The utility model relates to a sound box field technique especially indicates a sound box with two full-frequency loudspeaker.
Background
The existing sound box assembled on a television has poor hierarchy of the middle-low audio frequency, cannot meet the requirements of users and influences the experience effect of the users. In addition, the existing sound box assembled on the television only has a single loudspeaker, and the playing sound effect is single.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a sound box with dual full-frequency speakers, which replaces the traditional method of setting a single speaker, and can improve the layering of the middle and low audio frequencies.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sound box with double full-frequency loudspeakers comprises a first full-frequency loudspeaker, a second full-frequency loudspeaker, a high-pitch loudspeaker and a shell for being mounted on a television;
the loudspeaker comprises a shell, and is characterized in that an accommodating cavity is formed in the shell, a first full-frequency loudspeaker, a second full-frequency loudspeaker and a tweeter are sequentially arranged on the front end face of the shell from left to right, and the first full-frequency loudspeaker, the second full-frequency loudspeaker and the tweeter are all communicated with the accommodating cavity;
a stepped part is convexly arranged on the inner wall of the rear side of the accommodating cavity, the right end of the stepped part is integrally connected to the inner wall of the right side of the accommodating cavity, the stepped part horizontally extends along the left-right direction, the left end of the stepped part extends to the rear side of the second full-frequency loudspeaker, a sound guide hole penetrating from the left end face of the stepped part to the right end face of the shell is formed in the stepped part, and the sound guide hole is respectively communicated with the accommodating cavity and the outside air;
hold the intracavity and install the circuit board that the electricity is connected in first full loudspeaker, the full loudspeaker of the full frequency of second and tweeter respectively, the circuit board is found in the front side of step portion, first full loudspeaker of the full frequency and the full loudspeaker of second all are located the front side of circuit board, tweeter is located the front side of step portion, first full distance definition between loudspeaker and the circuit board is first distance, the full distance definition between loudspeaker and the circuit board of second is the second distance, distance definition between tweeter and the step portion is the third distance, first distance equals the second distance, the third distance is greater than the second distance.
As a preferred scheme, a first full-frequency loudspeaker installation position, a second full-frequency loudspeaker installation position and a tweeter installation position are sequentially arranged on the front end face of the shell from left to right, a first abdicating hole communicated with the accommodating cavity is formed in the first full-frequency loudspeaker installation position, a second abdicating hole communicated with the accommodating cavity is formed in the second full-frequency loudspeaker installation position, and a third abdicating hole communicated with the accommodating cavity is formed in the tweeter installation position;
first full-frequency loudspeaker install in first full-frequency loudspeaker installation position just first full-frequency loudspeaker stretch into through first hole of stepping down and hold the intracavity, the second is full-frequency loudspeaker install in the second full-frequency loudspeaker installation position just full-frequency loudspeaker of second stretch into through second hole of stepping down and hold the intracavity, loudspeaker install on loudspeaker installation position just loudspeaker stretches into through third hole of stepping down and holds the intracavity.
As an optimal scheme, the full loudspeaker installation position of the full frequency of first intercommunication second, the groove depth of the full loudspeaker installation position of the full frequency of second is less than the groove depth of high pitch loudspeaker installation position.
As a preferred scheme, the shell is provided with a wire passing hole, the circuit board is electrically connected with two wires, and the two wires extend out of the shell through the wire passing hole.
As a preferred scheme, the left end face of the shell is concavely provided with a groove towards the right, and the wire passing hole is arranged on the inner wall of the right end of the groove.
As a preferred scheme, the left end face and/or the right end face of the shell are/is convexly provided with lifting lugs, round holes are formed in the lifting lugs, notches smaller than the diameter of the round holes are formed in the outer sides of the lifting lugs, and fixing rubber pads adapted to studs on a television are arranged in the round holes.
As a preferred scheme, the shell comprises a front shell and a rear shell, the first full-frequency loudspeaker, the second full-frequency loudspeaker and the tweeter are all arranged on the front shell, and the step part and the circuit board are all positioned on the rear shell;
the lifting device is characterized in that one branch lifting lug is arranged on the same left end face and/or the same right end face of the front shell and the rear shell, the two branch lifting lugs are symmetrically arranged front and back, an accommodating cavity is formed after the front shell and the rear shell are assembled, and the two branch lifting lugs are spliced to form the lifting lug.
As a preferred scheme, the fixing rubber mat comprises a column part, a first annular part and a second annular part, wherein the first annular part and the second annular part horizontally extend outwards from the upper end and the lower end of the column part respectively;
the outer diameters of the first annular portion and the second annular portion are larger than the diameter of the round hole, and a sleeving hole which sequentially penetrates through the inside of the first annular portion, the inside of the column body portion and the inside of the second annular portion and penetrates through the lower end face of the second annular portion is formed in the upper end face of the first annular portion.
As a preferred scheme, the outer side wall of the cylindrical part is convexly provided with a plurality of first convex parts at uniform intervals outwards along the circumferential direction, the inner side wall of the sleeve joint hole is convexly provided with a plurality of second convex parts at uniform intervals inwards along the circumferential direction, and the first convex parts and the second convex parts are arranged in a one-to-one opposite mode.
As a preferred scheme, the sound-absorbing cotton is detachably arranged on the inner wall of the sound guide hole.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, particularly, the circuit board is mainly used for controlling the first full-frequency loudspeaker, the second full-frequency loudspeaker and the high pitch loudspeaker, and the traditional mode of arranging a single loudspeaker is replaced; particularly, the layering of the middle and low audio frequencies can be improved through the matching of the step part and the sound guide hole thereof as well as the first distance, the second distance and the third distance;
secondly, the structural design of the fixing rubber mat is beneficial to the installation between the product and the television and the firmness after the installation;
moreover, the sound-absorbing cotton is arranged on the inner wall of the air guide pipeline, so that noise or noise interference can be effectively reduced when the product is used, and the tone quality of the product is improved;
and the whole structure is ingenious and reasonable in design, all parts are convenient and firm to assemble, and the stability and reliability of the product in the using process are ensured.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 2 is a front view of the preferred embodiment of the present invention;
FIG. 3 is a left side view of the preferred embodiment of the present invention;
FIG. 4 is a right side view of the preferred embodiment of the present invention;
FIG. 5 is an exploded view of the preferred embodiment of the present invention;
FIG. 6 is a cross-sectional view of the preferred embodiment of the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 6;
fig. 8 is a schematic view of a fixing rubber pad according to a preferred embodiment of the present invention.
The attached drawings indicate the following:
11. the first full frequency loudspeaker 12 and the second full frequency loudspeaker
13. High pitch loudspeaker
20. Housing 201 and accommodating chamber
202. The wire through hole 203 and the groove
204. First full-frequency loudspeaker mounting position 205 and second full-frequency loudspeaker mounting position
206. Tweeter installation position 207, first hole of stepping down
208. The second yielding hole 209 and the third yielding hole
21. Front shell 22, rear shell
23. Step part
231. Sound conducting hole 232 and sound absorbing cotton
24. Lifting lug 241 and sub-lifting lug
242. Notch 243, circular hole
25. Fixed rubber pad 251 and column part
252. First and second annular portions 253 and 253
254. The engaging hole 255, the first convex portion
256. Second convex part
30. Circuit board 31, wires.
Detailed Description
Referring to fig. 1 to 8, which show the specific structure of the preferred embodiment of the present invention, a sound box with dual full-frequency speakers comprises a first full-frequency speaker 11, a second full-frequency speaker 12, a tweeter 13 and a housing 20 for being mounted on a television;
an accommodating cavity 201 is formed in the shell 20, the first full-frequency loudspeaker 11, the second full-frequency loudspeaker 12 and the tweeter 13 are sequentially arranged on the front end face of the shell 20 from left to right, and the first full-frequency loudspeaker 11, the second full-frequency loudspeaker 12 and the tweeter 13 are all communicated with the accommodating cavity 201;
a stepped portion 23 is convexly arranged on the inner wall of the rear side of the accommodating cavity 201, the right end of the stepped portion 23 is integrally connected to the inner wall of the right side of the accommodating cavity 201, the stepped portion 23 horizontally extends along the left-right direction, the left end of the stepped portion 23 extends to the rear side of the second full-frequency loudspeaker 12, a sound guide hole 231 penetrating from the left end face of the stepped portion 23 to the right end face of the casing 20 is formed in the stepped portion 23, and the sound guide hole 231 is respectively communicated with the accommodating cavity 201 and the outside air; in this embodiment, the sound-absorbing cotton 232 is detachably disposed on the inner wall of the sound-guiding hole 231.
The housing 20 is provided with a wire passing hole 202, the circuit board 30 described below is electrically connected with two wires 31, and the two wires 31 extend out of the housing 20 through the wire passing hole 202. In this embodiment, a groove 203 is recessed towards the right on the left end surface of the housing 20, and the wire passing hole 202 is disposed on the inner wall of the right end of the groove 203.
Hold the built-in circuit board 30 that is equipped with the electricity respectively and connects in first full frequency loudspeaker 11, the full frequency loudspeaker 12 of second and tweeter 13 of chamber 201, circuit board 30 stands in the front side of step portion 23, the full frequency loudspeaker 11 of first full frequency and the full frequency loudspeaker 12 of second all are located the front side of circuit board 30, tweeter 13 is located the front side of step portion 23, first full frequency loudspeaker 11 and the distance definition between circuit board 30 are first distance, the full frequency loudspeaker 12 of second and the distance definition between circuit board 30 are the second distance, the distance definition between tweeter 13 and step portion 23 is the third distance, first distance equals the second distance, the third distance is greater than the second distance.
As shown in fig. 5, in the present embodiment, a first full-range speaker mounting position 204, a second full-range speaker mounting position 205 and a tweeter mounting position 206 are sequentially disposed from left to right on the front end surface of the housing 20. In this embodiment, the first full-range speaker mounting position 204 is communicated with the second full-range speaker mounting position 205, and the groove depth of the second full-range speaker mounting position 205 is smaller than the groove depth of the tweeter mounting position 206.
A first abdicating hole 207 communicated with the accommodating cavity 201 is formed in the first full-frequency loudspeaker mounting position 204, a second abdicating hole 208 communicated with the accommodating cavity 201 is formed in the second full-frequency loudspeaker mounting position 205, and a third abdicating hole 209 communicated with the accommodating cavity 201 is formed in the tweeter mounting position 206;
first full-range loudspeaker 11 install on first full-range loudspeaker installation position 204 just first full-range loudspeaker 11 stretches into through first hole of stepping down 207 and holds the chamber 201, the second is full-range loudspeaker 12 install on the second full-range loudspeaker installation position 205 just the second is full-range loudspeaker 12 stretches into through second hole of stepping down 208 and holds the chamber 201 in, tweeter 13 is installed on tweeter installation position 206 just tweeter 13 stretches into through third hole of stepping down 209 and holds the chamber 201.
A lifting lug 24 is convexly arranged on the left end face and/or the right end face of the shell 20, a round hole 243 is arranged on the lifting lug 24, a notch 242 smaller than the diameter of the round hole 243 is arranged on the outer side of the lifting lug 24, and a fixing rubber pad 25 adapted to a stud on a television is arranged in the round hole 243.
In this embodiment, as shown in fig. 8, the fixing rubber pad 25 includes a cylindrical portion 251, and a first annular portion 252 and a second annular portion 253 extending horizontally and outwardly from the upper end and the lower end of the cylindrical portion 251, respectively, and the cylindrical portion 251 is adapted in the lifting lug 24;
the outer diameters of the first annular portion 252 and the second annular portion 253 are larger than the diameter of the circular hole 243, and a sleeve hole 254 is formed in the upper end surface of the first annular portion 252, sequentially penetrates through the inside of the first annular portion 252, the inside of the column portion 251 and the inside of the second annular portion 253, and penetrates through the lower end surface of the second annular portion 253. Preferably, a plurality of first protrusions 255 are uniformly and convexly arranged on the outer side wall of the cylindrical portion 251 along the circumferential direction, a plurality of second protrusions 256 are uniformly and convexly arranged on the inner side wall of the sleeving hole 254 along the circumferential direction, and the first protrusions 255 and the second protrusions 256 are arranged in a one-to-one opposite mode.
In this embodiment, the casing 20 includes a front casing 21 and a rear casing 22, the first full-range speaker 11, the second full-range speaker 12 and the tweeter 13 are all disposed on the front casing 21, and the step portion 23, the sound guide hole 231 and the circuit board 30 are all located on the rear casing 22; the same left end surface and/or right end surface of the front shell 21 and the rear shell 22 are respectively provided with a sub-lifting lug 241, and the two sub-lifting lugs 241 are symmetrically arranged in front and back. The front shell 21 and the rear shell 22 are assembled to form a containing cavity 201, and two sub-lifting lugs 241 are spliced to form a lifting lug 24.
The utility model discloses a design focus lies in: the circuit board is mainly used for controlling the first full-frequency loudspeaker, the second full-frequency loudspeaker and the high pitch loudspeaker respectively, and the traditional mode of arranging a single loudspeaker is replaced; particularly, the layering of the middle and low audio frequencies can be improved through the matching of the step part and the sound guide hole thereof as well as the first distance, the second distance and the third distance;
secondly, the structural design of the fixing rubber mat is beneficial to the installation between the product and the television and the firmness after the installation;
moreover, the sound-absorbing cotton is arranged on the inner wall of the air guide pipeline, so that noise or noise interference can be effectively reduced when the product is used, and the tone quality of the product is improved;
and the whole structure is ingenious and reasonable in design, all parts are convenient and firm to assemble, and the stability and reliability of the product in the using process are ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a audio amplifier with two full-frequency loudspeaker which characterized in that: the loudspeaker comprises a first full-frequency loudspeaker, a second full-frequency loudspeaker, a high pitch loudspeaker and a shell for being installed on a television;
the loudspeaker comprises a shell, and is characterized in that an accommodating cavity is formed in the shell, a first full-frequency loudspeaker, a second full-frequency loudspeaker and a tweeter are sequentially arranged on the front end face of the shell from left to right, and the first full-frequency loudspeaker, the second full-frequency loudspeaker and the tweeter are all communicated with the accommodating cavity;
a stepped part is convexly arranged on the inner wall of the rear side of the accommodating cavity, the right end of the stepped part is integrally connected to the inner wall of the right side of the accommodating cavity, the stepped part horizontally extends along the left-right direction, the left end of the stepped part extends to the rear side of the second full-frequency loudspeaker, a sound guide hole penetrating from the left end face of the stepped part to the right end face of the shell is formed in the stepped part, and the sound guide hole is respectively communicated with the accommodating cavity and the outside air;
hold the intracavity and install the circuit board that the electricity is connected in first full loudspeaker, the full loudspeaker of the full frequency of second and tweeter respectively, the circuit board is found in the front side of step portion, first full loudspeaker of the full frequency and the full loudspeaker of second all are located the front side of circuit board, tweeter is located the front side of step portion, first full distance definition between loudspeaker and the circuit board is first distance, the full distance definition between loudspeaker and the circuit board of second is the second distance, distance definition between tweeter and the step portion is the third distance, first distance equals the second distance, the third distance is greater than the second distance.
2. The loudspeaker enclosure of claim 1, wherein: the front end face of the shell is sequentially provided with a first full-frequency loudspeaker mounting position, a second full-frequency loudspeaker mounting position and a tweeter mounting position from left to right, the first full-frequency loudspeaker mounting position is provided with a first abdicating hole communicated with the accommodating cavity, the second full-frequency loudspeaker mounting position is provided with a second abdicating hole communicated with the accommodating cavity, and the tweeter mounting position is provided with a third abdicating hole communicated with the accommodating cavity;
first full-frequency loudspeaker install in first full-frequency loudspeaker installation position just first full-frequency loudspeaker stretch into through first hole of stepping down and hold the intracavity, the second is full-frequency loudspeaker install in the second full-frequency loudspeaker installation position just full-frequency loudspeaker of second stretch into through second hole of stepping down and hold the intracavity, loudspeaker install on loudspeaker installation position just loudspeaker stretches into through third hole of stepping down and holds the intracavity.
3. The loudspeaker enclosure with dual full frequency horns of claim 2, wherein: first full-frequency loudspeaker installation position intercommunication second is full-frequency loudspeaker installation position, the groove depth of the full-frequency loudspeaker installation position of second is less than the groove depth of high pitch loudspeaker installation position.
4. The loudspeaker enclosure of claim 1, wherein: the shell is provided with a wire passing hole, the circuit board is electrically connected with two wires, and the two wires extend out of the shell through the wire hole.
5. The loudspeaker box with the dual full-frequency horn of claim 4, wherein: the left end face of the shell is concavely provided with a groove towards the right, and the wire passing hole is arranged on the inner wall of the right end of the groove.
6. The loudspeaker enclosure of claim 1, wherein: the left end face and/or the right end face of the shell are/is convexly provided with lifting lugs, round holes are formed in the lifting lugs, notches smaller than the diameter of the round holes are formed in the outer sides of the lifting lugs, and fixing rubber pads adapted to studs on a television are arranged in the round holes.
7. The loudspeaker enclosure of claim 6, wherein: the shell comprises a front shell and a rear shell, the first full-frequency loudspeaker, the second full-frequency loudspeaker and the high pitch loudspeaker are all arranged on the front shell, and the step part and the circuit board are all positioned on the rear shell;
the lifting device is characterized in that one branch lifting lug is arranged on the same left end face and/or the same right end face of the front shell and the rear shell, the two branch lifting lugs are symmetrically arranged front and back, an accommodating cavity is formed after the front shell and the rear shell are assembled, and the two branch lifting lugs are spliced to form the lifting lug.
8. The loudspeaker enclosure of claim 6, wherein: the fixed rubber mat comprises a column body part, a first annular part and a second annular part, wherein the first annular part and the second annular part horizontally extend outwards from the upper end and the lower end of the column body part respectively;
the outer diameters of the first annular portion and the second annular portion are larger than the diameter of the round hole, and a sleeving hole which sequentially penetrates through the inside of the first annular portion, the inside of the column body portion and the inside of the second annular portion and penetrates through the lower end face of the second annular portion is formed in the upper end face of the first annular portion.
9. The loudspeaker enclosure of claim 8, wherein: the lateral wall of barrel portion is equipped with a plurality of first convex parts toward outer even interval protruding along circumference, the inside wall in the hole of cup jointing is equipped with a plurality of second convex parts toward interior even interval protruding along circumference, first convex part and second convex part are just to setting up one by one.
10. The loudspeaker enclosure of claim 1, wherein: the inner wall of the sound guide hole is detachably provided with sound absorption cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120243083.2U CN214205824U (en) | 2021-01-28 | 2021-01-28 | Sound box with double full-frequency loudspeakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120243083.2U CN214205824U (en) | 2021-01-28 | 2021-01-28 | Sound box with double full-frequency loudspeakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214205824U true CN214205824U (en) | 2021-09-14 |
Family
ID=77638324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120243083.2U Active CN214205824U (en) | 2021-01-28 | 2021-01-28 | Sound box with double full-frequency loudspeakers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214205824U (en) |
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2021
- 2021-01-28 CN CN202120243083.2U patent/CN214205824U/en active Active
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