CN219018956U - Two-sound-path strip-shaped full-frequency sound box - Google Patents
Two-sound-path strip-shaped full-frequency sound box Download PDFInfo
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- CN219018956U CN219018956U CN202223126192.XU CN202223126192U CN219018956U CN 219018956 U CN219018956 U CN 219018956U CN 202223126192 U CN202223126192 U CN 202223126192U CN 219018956 U CN219018956 U CN 219018956U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The utility model discloses a two-sound-path strip-shaped full-frequency sound box, which comprises a box body, a middle-low frequency loudspeaker and a tweeter; the box body is of a transversely extending strip-shaped structure, a cavity and an air guide channel are formed in the box body, and a first mounting opening and a second mounting opening are formed in the front side face of the box body; the middle-low frequency loudspeaker is arranged in the first mounting opening and extends into the cavity, and the front surface of the middle-low frequency loudspeaker faces to the outer side of the first mounting opening; the tweeter is arranged in the second mounting opening and extends into the cavity, and the front face of the tweeter faces the outer side of the second mounting opening. Through adopting well low frequency loudspeaker and tweeter, need not to adopt full frequency loudspeaker, effectively reduced the cost, the cooperation sets up the air duct simultaneously, and the air duct transversely extends, utilizes the air duct to balance the atmospheric pressure around the box to effectively strengthen box loudspeaker low frequency penetration power, obtain wider low frequency bandwidth and less low frequency distortion, the depth of reduction, definition and the balanced sense of sound are better.
Description
Technical Field
The utility model relates to the technology of the field of sound boxes, in particular to a two-sound-path strip-shaped full-frequency sound box.
Background
A sound box refers to a device that converts an audio signal into sound. In popular terms, the power amplifier is arranged in the main box body of the sound box or the bass box body, and the sound is emitted back by the sound box after the audio signal is amplified, so that the sound is amplified; the loudspeaker is the terminal of the overall sound system and functions to convert audio electrical energy into corresponding acoustic energy and radiate it into space. It is an extremely important component of sound systems, responsible for the task of converting electrical signals into acoustic signals for direct listening by the human ear, and sound boxes have become a everywhere visible product today.
In the prior art, as disclosed in chinese patent (patent No. 202123207067.7), the push-type screw-free speaker is actually one of the speakers, and the speaker is composed of a main body, a full-frequency speaker and a tweeter, wherein the tweeter and the full-frequency speaker are both arranged on the main body, however, the speaker adopts the full-frequency speaker, which has high cost, and the air guide channel is lacking in the main body of the speaker, so that the air pressure in front of and behind the main body cannot be balanced, so that the low-frequency penetrating power of the speaker is weaker, the low-frequency bandwidth is small, the low-frequency distortion is large, and the reduction degree, the definition and the balance feeling of the sound are not ideal. Therefore, improvements to current speakers are needed.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary objective is to provide a two-channel full-frequency sound box, which can effectively solve the problems of the existing sound box that the cost is high and the air guide channel is lacking to cause the imbalance of the front and rear air pressures.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a two-sound path bar-shaped full-frequency sound box comprises a box body, a middle-low frequency loudspeaker and a tweeter; the box body is of a transversely extending strip-shaped structure, a cavity and an air guide channel are arranged in the box body, the cavity transversely extends, the air guide channel transversely extends and is positioned at the rear side of the cavity, the inner end of the air guide channel is communicated with one end of the cavity, the outer end of air guide conduction penetrates through the rear side surface of the box body, a first mounting opening and a second mounting opening are formed in the front side surface of the box body, and the first mounting opening and the second mounting opening are transversely distributed and are communicated with the cavity; the middle-low frequency loudspeaker is arranged in the first mounting opening and extends into the cavity, and the front surface of the middle-low frequency loudspeaker faces to the outer side of the first mounting opening; the tweeter is arranged in parallel with the middle-low frequency loudspeaker, is arranged in the second mounting opening and stretches into the cavity, and the front surface of the tweeter faces the outer side of the second mounting opening.
As a preferable scheme, the inner end of the air guide channel and the back surface of the tweeter are opposite to each other so as to better guide air.
As a preferable scheme, the box body comprises a lower cover and an upper cover; the lower cover comprises a lower main body and a lower convex part, and the lower convex part integrally extends backwards at the rear side of the lower main body; the upper cover comprises an upper main body and an upper convex part, the upper main body is vertically combined with the lower main body to form the cavity, the upper convex part is vertically combined with the lower convex part to form the air guide channel, and the structure is simple.
As a preferred scheme, the inner wall middle part downwardly extending of upper cover has a plurality of fixed columns, and the screw has all been seted up to the lower terminal surface of every fixed column, and upward extend in the inner wall middle part of this lower cover has a plurality of support columns, and the through-hole has all been seted up to the up end of every support column, and this through-hole runs through to the lower surface of lower cover, and a plurality of set screws pass corresponding through-hole from bottom to top respectively and with corresponding screw spiro union fixedly, simple structure, equipment is convenient firm.
As a preferable scheme, the lower convex part is concavely provided with a lower arc-shaped groove, the upper convex part is concavely provided with an upper arc-shaped groove, and the upper arc-shaped groove and the lower arc-shaped groove are spliced to form the air guide channel, so that the structure is simple.
As a preferable scheme, a fixed lug extends between the two ends of the lower convex part and the lower main body, each fixed lug is provided with a clamping groove, and a damping plug used for being buckled and installed and fixed with the outside is clamped in the clamping groove so as to realize damping installation with external equipment.
As a preferable scheme, the middle-low frequency loudspeaker is installed in the first installation port from front to back, and the tweeter is installed in the second installation port from front to back, so that the structure is simple and the assembly is convenient.
As a preferred solution, the low-frequency horn has a diaphragm composed of composite pulp and a rubber rim fixed to the edge of the composite pulp to enhance the low-frequency penetration capability of the low-frequency horn 20.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
through adopting well low frequency loudspeaker and tweeter, need not to adopt full frequency loudspeaker, effectively reduced the cost, the cooperation sets up the air duct simultaneously, and the air duct transversely extends, utilizes the air duct to balance the atmospheric pressure around the box to effectively strengthen box loudspeaker low frequency penetration power, obtain wider low frequency bandwidth and less low frequency distortion, the depth of reduction, definition and the balanced sense of sound are better.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is an assembled perspective view of a preferred embodiment of the present utility model;
FIG. 2 is an assembled perspective view of another angle of the preferred embodiment of the present utility model;
FIG. 3 is an exploded view of a preferred embodiment of the present utility model;
FIG. 4 is an exploded view of another angle of the preferred embodiment of the present utility model;
FIG. 5 is a cross-sectional view of a preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. case 11, lower cover
111. Lower body 112, lower convex portion
113. Support column 114, through hole
115. Lower arc-shaped groove 116 and fixing lug
117. Clamping groove 12 and upper cover
121. Upper body 122, upper convex portion
123. Fixing column 124, screw hole
125. Upper arc groove 13 and shock-absorbing plug
101. Cavity 102, air guide channel
1021. Straight section 1022, first curved section
1023. Second bend 103, first mounting opening
104. Second mounting port 20, middle and low frequency horn
21. Diaphragm 211, composite paper pulp
212. Rubber edge 30, tweeter.
Detailed Description
Referring to fig. 1 to 5, a preferred embodiment of the present utility model is shown, which comprises a case 10, a low-frequency horn 20 and a tweeter 30.
The box body 10 is of a transversely extending strip-shaped structure, a cavity 101 and an air guide channel 102 are arranged in the box body, the cavity 101 transversely extends, the air guide channel 102 transversely extends and is positioned at the rear side of the cavity 101, the inner end of the air guide channel 102 is communicated with one end of the cavity 101, the outer end of the air guide channel 102 penetrates through the rear side surface of the box body 10, a first mounting opening 103 and a second mounting opening 104 are formed in the front side surface of the box body 10, and the first mounting opening 103 and the second mounting opening 104 are transversely arranged and are communicated with the cavity 101; in this embodiment, the inner end of the air guide channel 102 and the back of the tweeter 30 are opposite to each other to better guide air; the air guide channel 102 includes a straight section 1021, a first curved section 1022 and a second curved section 1023, wherein the straight section 1021 extends transversely, the first curved section 1022 is connected between one end of the straight section 1021 and the cavity 101, and the second curved section 1023 is connected between the other end of the straight section 1021 and the outside.
Specifically, the case 10 includes a lower cover 11 and an upper cover 12; the lower cover 11 includes a lower body 111 and a lower protrusion 112, and the lower protrusion 112 integrally extends rearward from the rear side of the lower body 111; the upper cover 12 includes an upper body 121 and an upper protrusion 122, the upper body 121 and the lower body 111 are vertically combined and enclosed to form the cavity 101, and the upper protrusion 122 and the lower protrusion 112 are vertically combined and enclosed to form the air guide channel 102. And, a plurality of fixing columns 123 extend downwards from the middle part of the inner wall of the upper cover 12, the lower end surface of each fixing column 123 is provided with a screw hole 124, a plurality of support columns 113 extend upwards from the middle part of the inner wall of the lower cover 11, the upper end surface of each support column 113 is provided with a through hole 114, the through hole 114 penetrates through the lower surface of the lower cover 11, and a plurality of fixing screws (not shown) respectively penetrate through the corresponding through holes 114 from bottom to top to be screwed and connected with the corresponding screw holes 124 for fixing, so that the structure is simple and the assembly is convenient. The lower protrusion 112 is concavely provided with a lower arc-shaped groove 115, the upper protrusion 122 is concavely provided with an upper arc-shaped groove 125, and the upper arc-shaped groove 125 and the lower arc-shaped groove 115 are spliced to form the air guide channel 102. A fixing lug 116 extends between two ends of the lower protruding portion 112 and the lower main body 111, a clamping groove 117 is formed in each fixing lug 116, and a damping plug 13 for being fastened and mounted with the outside is clamped in the clamping groove 117 so as to realize damping mounting with external equipment.
The middle-low frequency horn 20 is arranged in the first mounting opening 103 and extends into the cavity 101, and the front surface of the middle-low frequency horn 20 faces to the outer side of the first mounting opening 103; in this embodiment, the low-frequency horn 20 is installed in the first installation opening 103 from front to back, so that the assembly is convenient, and the low-frequency horn 20 has a diaphragm 21, the diaphragm 21 is composed of a composite paper pulp 211 and a rubber edge 212, and the rubber edge 212 is fixed with the edge of the composite paper pulp 211, so as to improve the low-frequency penetration capability of the low-frequency horn 20.
The tweeter 30 is disposed in parallel with the mid-low frequency horn 20, the tweeter 30 is disposed in the second mounting opening 104 and extends into the cavity 101, and the front surface of the tweeter 30 faces the outer side of the second mounting opening 104. In this embodiment, the tweeter 30 is mounted in the second mounting opening 104 from front to back, which is convenient for assembly.
The working principle of the embodiment is described in detail as follows:
during assembly, the lower cover 11 and the upper cover 12 are injection molded, the upper cover 12 and the lower cover 11 are assembled and fixedly mounted, the middle-low frequency loudspeaker 20 is mounted in the first mounting port 103 from front to back, the tweeter 30 is mounted in the second mounting port 104 from front to back, and finally the middle-low frequency loudspeaker 20 and the tweeter 30 are connected in parallel to an external audio circuit.
When the loudspeaker is in operation, the middle-low frequency loudspeaker 20 generates middle-low sound forward, the tweeter 30 generates high sound forward, the high sound and the low sound are mixed, and the air guide channel 102 is matched for air guide, so that the air pressure in front and back of the box 10 is balanced, the low-frequency penetrating power of the box loudspeaker is effectively enhanced, the wider low-frequency bandwidth and smaller low-frequency distortion are obtained, and the reduction degree, the definition and the balance feeling of sound are better.
The design focus of the utility model is that: through adopting well low frequency loudspeaker and tweeter, need not to adopt full frequency loudspeaker, effectively reduced the cost, the cooperation sets up the air duct simultaneously, and the air duct transversely extends, utilizes the air duct to balance the atmospheric pressure around the box to effectively strengthen box loudspeaker low frequency penetration power, obtain wider low frequency bandwidth and less low frequency distortion, the depth of reduction, definition and the balanced sense of sound are better.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (8)
1. A two-sound-path strip-shaped full-frequency sound box is characterized in that: comprises a box body, a middle-low frequency loudspeaker and a high-pitch loudspeaker; the box body is of a transversely extending strip-shaped structure, a cavity and an air guide channel are arranged in the box body, the cavity transversely extends, the air guide channel transversely extends and is positioned at the rear side of the cavity, the inner end of the air guide channel is communicated with one end of the cavity, the outer end of the air guide channel penetrates through the rear side surface of the box body, a first mounting opening and a second mounting opening are formed in the front side surface of the box body, and the first mounting opening and the second mounting opening are transversely distributed and are communicated with the cavity; the middle-low frequency loudspeaker is arranged in the first mounting opening and extends into the cavity, and the front surface of the middle-low frequency loudspeaker faces to the outer side of the first mounting opening; the tweeter is arranged in parallel with the middle-low frequency loudspeaker, is arranged in the second mounting opening and stretches into the cavity, and the front surface of the tweeter faces the outer side of the second mounting opening.
2. The two-sound-path strip-shaped full-frequency sound box according to claim 1, wherein: the inner end of the air guide channel and the back surface of the tweeter are opposite to each other.
3. The two-sound-path strip-shaped full-frequency sound box according to claim 1, wherein: the box body comprises a lower cover and an upper cover; the lower cover comprises a lower main body and a lower convex part, and the lower convex part integrally extends backwards at the rear side of the lower main body; the upper cover comprises an upper main body and an upper convex part, the upper main body is vertically combined with the lower main body to form the cavity in a surrounding mode, and the upper convex part is vertically combined with the lower convex part to form the air guide channel in a surrounding mode.
4. A two-sound-path strip full-frequency sound box according to claim 3, characterized in that: the upper cover is characterized in that a plurality of fixing columns extend downwards from the middle of the inner wall of the upper cover, screw holes are formed in the lower end face of each fixing column, a plurality of supporting columns extend upwards from the middle of the inner wall of the lower cover, through holes are formed in the upper end face of each supporting column, the through holes penetrate through the lower surface of the lower cover, and a plurality of fixing screws penetrate through the corresponding through holes from bottom to top respectively to be in screwed connection and fixation with the corresponding screw holes.
5. A two-sound-path strip full-frequency sound box according to claim 3, characterized in that: the lower convex part is concavely provided with a lower arc-shaped groove, the upper convex part is concavely provided with an upper arc-shaped groove, and the upper arc-shaped groove and the lower arc-shaped groove are spliced to form the air guide channel.
6. A two-sound-path strip full-frequency sound box according to claim 3, characterized in that: fixing lugs extend between the two ends of the lower protruding part and the lower main body, clamping grooves are formed in each fixing lug, and damping plugs used for being buckled and installed and fixed with the outside are clamped in the clamping grooves.
7. The two-sound-path strip-shaped full-frequency sound box according to claim 1, wherein: the middle-low frequency loudspeaker is installed in the first installation port from front to back, and the tweeter is installed in the second installation port from front to back.
8. The two-sound-path strip-shaped full-frequency sound box according to claim 1, wherein: the middle-low frequency loudspeaker is provided with a vibrating diaphragm, the vibrating diaphragm is composed of composite paper pulp and a rubber edge, and the rubber edge is fixed with the edge of the composite paper pulp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223126192.XU CN219018956U (en) | 2022-11-24 | 2022-11-24 | Two-sound-path strip-shaped full-frequency sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223126192.XU CN219018956U (en) | 2022-11-24 | 2022-11-24 | Two-sound-path strip-shaped full-frequency sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219018956U true CN219018956U (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223126192.XU Active CN219018956U (en) | 2022-11-24 | 2022-11-24 | Two-sound-path strip-shaped full-frequency sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219018956U (en) |
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2022
- 2022-11-24 CN CN202223126192.XU patent/CN219018956U/en active Active
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