CN219247989U - Phase inversion type sound box - Google Patents
Phase inversion type sound box Download PDFInfo
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- CN219247989U CN219247989U CN202223233348.4U CN202223233348U CN219247989U CN 219247989 U CN219247989 U CN 219247989U CN 202223233348 U CN202223233348 U CN 202223233348U CN 219247989 U CN219247989 U CN 219247989U
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- phase inversion
- air vent
- sound box
- cover body
- loudspeaker
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Abstract
The utility model provides a phase inversion type sound box, which comprises: the loudspeaker comprises a sound box cavity shell, a cover body, a phase inversion tube and a loudspeaker; an opening is formed in one side wall of the sound box cavity shell; the cover body is matched with the opening and is used for tightly covering the opening; the surface of the cover body is provided with a loudspeaker mounting hole which is used for mounting a loudspeaker, so that the whole loudspeaker is positioned in the sound box cavity shell; the surface of the cover body is provided with a first vent; the phase inversion tube is fixedly arranged on the cover body, a second air vent matched with the first air vent is formed in the side wall of the phase inversion tube, a third air vent is formed in the other side wall of the phase inversion tube corresponding to the second air vent, the third air vent and the second air vent are positioned at different axial positions of the phase inversion tube, and the third air vent is communicated with the inside of the sound box cavity shell; two sealing separation plates are arranged at two ends of the phase inversion tube, and the two sealing separation plates can axially slide along the inner wall of the phase inversion tube. The technical problem that needs to design a loudspeaker box that can nimble adjustment phase inversion pipe length has been solved to this application.
Description
Technical Field
The utility model relates to the technical field of sound boxes, in particular to a phase inversion sound box.
Background
With the development of society and the improvement of life quality, people have increasingly demanded high-quality sound boxes. The phase inverter tube is used as the sound outlet of the loudspeaker of the sound box, and directly influences the sound quality effect of the sound box. The purpose of the speaker inverter tube is to enhance the low frequency playback effect of the speaker by utilizing radiated sound energy from the back of the woofer.
The existing phase inversion tube of the phase inversion type sound box is of a fixed tube body structure, the length of the phase inversion tube is fixed, and the phase inversion tube cannot be adaptively adjusted according to sound effects, so that the music playing mode is too monotonous, and the requirements of different crowds on bass audio are difficult to meet, and therefore the design of the sound box capable of flexibly adjusting the length of the phase inversion tube is needed.
Disclosure of Invention
The utility model aims to provide a phase inversion type sound box so as to solve the technical problem that a sound box capable of flexibly adjusting the length of a phase inversion tube is needed to be designed.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a phase inversion type sound box, comprising: the loudspeaker comprises a sound box cavity shell, a cover body, a phase inversion tube and a loudspeaker;
an opening is formed in one side wall of the sound box cavity shell;
the cover body is matched with the opening and is used for tightly covering the opening;
the cover body surface is provided with a loudspeaker mounting hole, and the loudspeaker mounting hole is used for mounting the loudspeaker, so that the whole loudspeaker is positioned in the sound box cavity shell;
the surface of the cover body is provided with a first air vent;
the phase inversion tube is fixedly arranged on the cover body, a second air vent matched with the first air vent is formed in the side wall of the phase inversion tube, a third air vent is formed in the other side wall of the phase inversion tube corresponding to the second air vent, the third air vent and the second air vent are positioned at different axial positions of the phase inversion tube, and the third air vent is communicated with the inside of the sound box cavity shell;
two sealing separation plates are arranged at two ends of the phase inversion tube, and the two sealing separation plates can axially slide along the inner wall of the phase inversion tube.
In one embodiment, the side edge of the sealing partition plate is provided with a sealing rubber strip in a surrounding mode.
In one embodiment, the device further comprises an adjusting mechanism;
the adjusting mechanism comprises a double-head screw rod, two adjusting nuts and two connecting rods;
the double-headed screw is rotationally connected to the upper inner wall of the sound box cavity shell, the axial direction of the double-headed screw is in the same direction as the axial direction of the phase inversion tube, and the midpoint of the double-headed screw corresponds to the midpoint of the phase inversion tube;
the two adjusting nuts are arranged on threads on two sides of the double-head screw in a matched mode;
one end of each connecting rod is fixedly connected with each adjusting nut, and the other end of each connecting rod is fixedly connected with each sealing partition plate.
In one embodiment, the device further comprises a dust screen cover;
the dust screen cover is arranged on the outer surface of the cover body.
In one embodiment, the end of the double-ended screw is connected with a rotating handle.
In one embodiment, the end part of the double-ended screw rod is in transmission connection with a motor;
the upper outer wall surface of the sound box cavity shell is provided with a control button, and the control button is electrically connected with the motor and used for controlling the forward and reverse rotation of the motor.
In one embodiment, the speakers are two in total;
the two loudspeakers are symmetrically arranged on two sides of the cover body.
Compared with the prior art, the utility model has the beneficial effects that:
according to the phase inversion type sound box provided by the utility model, the phase inversion tube is provided with the second air vent and the third air vent, meanwhile, the second air vent is communicated with the first air vent, and the third air vent is communicated with the inside of the sound box cavity shell, so that the inside of the sound box is communicated to the outside through the phase inversion tube, the reflection superposition of low-frequency normal phase wave and reverse phase wave of the sound box can be realized, and the low-frequency sound effect is increased; through setting up two sealed baffles, and two sealed baffles can follow the inner wall axial slip of phase inversion pipe to change the overall length of phase inversion pipe, with its low frequency effect of change, thereby satisfy different user groups, the demand of different use music has solved the technical problem that the design one section can nimble adjustment phase inversion pipe length's audio amplifier of urgent need.
Drawings
FIG. 1 is a partial internal block diagram of a phase inversion loudspeaker provided herein;
FIG. 2 is an external block diagram of a phase inversion type loudspeaker provided by the present application;
fig. 3 is a cross-sectional view of a inverter tube in the present application.
In the figure: 1. a sound box cavity shell; 2. a cover body; 3. an inverter tube; 4. a speaker; 5. a first vent; 6. a second vent; 7. a third vent; 8. a sealing separator; 9. a sealing rubber strip; 10. a double-ended screw; 11. an adjusting nut; 12. a connecting rod; 13. a motor; 14. control buttons.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: a phase inversion type sound box, comprising: the loudspeaker comprises a loudspeaker cavity shell 1, a cover body 2, a phase inversion tube 3 and a loudspeaker 4;
an opening is formed in one side wall of the sound box cavity shell 1;
the cover body 2 is matched with the opening and is used for tightly covering the opening;
the surface of the cover body 2 is provided with a loudspeaker 4 mounting hole, and the loudspeaker 4 mounting hole is used for mounting the loudspeaker 4, so that the whole loudspeaker 4 is positioned in the sound box cavity shell 1;
the surface of the cover body 2 is provided with a first vent 5;
the phase inversion tube 3 is fixedly arranged on the cover body 2, a second air vent 6 matched with the first air vent 5 is formed in the side wall of the phase inversion tube 3, a third air vent 7 is formed in the other side wall of the phase inversion tube 3 corresponding to the second air vent 6, the third air vent 7 and the second air vent 6 are positioned at different axial positions of the phase inversion tube 3, and the third air vent 7 is communicated with the inside of the sound box cavity shell 1;
two sealing clapboards 8 are arranged at two ends of the phase inversion tube 3, and the two sealing clapboards 8 can axially slide along the inner wall of the phase inversion tube 3.
It should be noted that, the sound box cavity shell 1 is a semi-closed shell provided with an opening, other wall bodies except the opening are in closed connection, the shape of the cover body 2 is matched with that of the opening, so that the cover body 2 can be matched and connected with the opening edge of the sound box cavity shell 1, preferably, the edge of the cover body 2 is connected with a sealing strip, and the connection tightness of the sealing strip can be effectively improved;
the surface of the cover body 2 is provided with a first air vent 5, the first air vent 5 penetrates through the cover body 2, the phase inversion tube 3 is fixedly arranged on the cover body 2, particularly positioned on the inner side surface of the cover body 2 and connected through a screw structure, the body of the phase inversion tube 3 is a tube body penetrating front and back, the side wall of the phase inversion tube 3 is provided with a second air vent 6 and a third air vent 7, the second air vent 6 corresponds to the first air vent 5, the third air vent 7 is staggered with the second air vent 6, and the third air vent 7 faces the inside of the sound box cavity shell 1;
two sealing clapboards 8 are arranged at two ends of the phase inversion pipe 3, and the second air vent 6 and the third air vent 7 are positioned between the two sealing clapboards 8 within the displacement travel distance of the two sealing clapboards 8.
According to the phase inversion type sound box provided by the utility model, the phase inversion tube 3 is provided with the second air vent 6 and the third air vent 7, meanwhile, the second air vent 6 is communicated with the first air vent 5, and the third air vent 7 is communicated with the inside of the sound box cavity shell 1, so that the inside of the sound box is communicated to the outside through the phase inversion tube 3, the reflection superposition of low-frequency normal-phase waves and reverse-phase waves of the sound box can be realized, and the low-frequency sound effect is increased; through setting up two sealed baffle 8, and two sealed baffle 8 can follow the inner wall axial slip of phase inversion pipe 3 to change the whole length of phase inversion pipe 3, with changing its low frequency effect, thereby satisfy different user groups, the demand of different use music, solved the technical problem that need design one section can nimble adjustment phase inversion pipe 3 length's audio amplifier.
As a further improvement, the sealing rubber strips 9 are arranged around the side edges of the sealing partition plates 8 of the phase inversion type loudspeaker box.
Specifically, by providing the joint strip 9, the use effect of the inverter tube 3 can be made more excellent.
The first embodiment of the phase inversion type sound box provided by the application is provided above, and the second embodiment of the phase inversion type sound box provided by the application is provided below, and the phase inversion type sound box further comprises an adjusting mechanism;
the adjusting mechanism comprises a double-headed screw 10, two adjusting nuts 11 and two connecting rods 12;
the double-headed screw 10 is rotationally connected to the upper inner wall of the sound box cavity shell 1, the axial direction of the double-headed screw 10 is in the same direction as the axial direction of the phase inversion tube 3, and the midpoint of the double-headed screw 10 corresponds to the midpoint of the phase inversion tube 3;
two adjusting nuts 11 are arranged on threads on two sides of the double-ended screw rod 10 in a matched manner;
one end of each connecting rod 12 is fixedly connected with each adjusting nut 11, and the other end of each connecting rod 12 is fixedly connected with each sealing partition plate 8.
Specifically, two symmetrical directional threads are arranged on the double-end screw rod 10, and when the double-end screw rod 10 is rotated, the adjusting nuts 11 at the two ends of the double-end screw rod 10 reversely move, so that the positions of the two adjusting nuts 11 are close to or far away from each other, and the position of the two sealing clapboards 8 in the inverter tube 3 is adjusted;
the two connecting rods 12 are in a shape like a Chinese character 'ji', one ends of the two connecting rods 12 are in specified connection with the adjusting nuts 11, the other ends of the two connecting rods 12 are fixedly connected with the two sealing clapboards 8, and the middle parts of the two connecting rods 12 bypass the side wall of the inverter tube 3.
As a further improvement, the phase inversion type sound box provided by the application also comprises a dust screen cover;
the dust-proof net cover is arranged on the outer surface of the cover body 2.
Specifically, through setting up dress dust screen lid, reducible dust gets into the inside of audio amplifier through first opening, second opening and third opening, effectively protects the inside components and parts of audio amplifier.
As a further improvement, the end of the double-ended screw rod 10 of the phase inversion type sound box is connected with a rotating handle.
Specifically, by setting the rotation handle, the rotation adjustment of the double-ended screw 10 by an operator can be realized, so that the length adjustment of the inverter tube 3 is more convenient and quick.
As a further improvement, the end part of the double-end screw rod 10 of the phase inversion type sound box is in transmission connection with a motor 13;
the upper outer wall surface of the sound box cavity shell 1 is provided with a control button 14, and the control button 14 is electrically connected with the motor 13 and used for controlling the forward and reverse rotation of the motor 13.
Specifically, by providing the motor 13 so that the adjustment of the double-ended screw 10 can be automatically driven and adjusted by the motor 13, a control button 14 is provided on the decorative case, and an operator can control the motor 13 by the button.
As a further improvement, the two speakers 4 of the double-headed screw 10 of the phase inversion type sound box provided by the application are arranged symmetrically on two sides of the cover body 2, so that the overall use effect of the influence is better.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A phase inversion type sound box, comprising: the loudspeaker comprises a sound box cavity shell, a cover body, a phase inversion tube and a loudspeaker;
an opening is formed in one side wall of the sound box cavity shell;
the cover body is matched with the opening and is used for tightly covering the opening;
the cover body surface is provided with a loudspeaker mounting hole, and the loudspeaker mounting hole is used for mounting the loudspeaker, so that the whole loudspeaker is positioned in the sound box cavity shell;
the surface of the cover body is provided with a first air vent;
the phase inversion tube is fixedly arranged on the cover body, a second air vent matched with the first air vent is formed in the side wall of the phase inversion tube, a third air vent is formed in the other side wall of the phase inversion tube corresponding to the second air vent, the third air vent and the second air vent are positioned at different axial positions of the phase inversion tube, and the third air vent is communicated with the inside of the sound box cavity shell;
two sealing separation plates are arranged at two ends of the phase inversion tube, and the two sealing separation plates can axially slide along the inner wall of the phase inversion tube.
2. The inverted speaker of claim 1, wherein said sealing diaphragm is provided with a bead of sealing material around its side edge.
3. The inverted speaker of claim 1, further comprising an adjustment mechanism;
the adjusting mechanism comprises a double-head screw rod, two adjusting nuts and two connecting rods;
the double-headed screw is rotationally connected to the upper inner wall of the sound box cavity shell, the axial direction of the double-headed screw is in the same direction as the axial direction of the phase inversion tube, and the midpoint of the double-headed screw corresponds to the midpoint of the phase inversion tube;
the two adjusting nuts are arranged on threads on two sides of the double-head screw in a matched mode;
one end of each connecting rod is fixedly connected with each adjusting nut, and the other end of each connecting rod is fixedly connected with each sealing partition plate.
4. The inverted speaker of claim 3, further comprising a dust cap;
the dust screen cover is arranged on the outer surface of the cover body.
5. The inverted speaker of claim 4, wherein a turning handle is attached to an end of the double threaded rod.
6. The phase inversion type sound box according to claim 4, wherein the end part of the double-ended screw rod is in transmission connection with a motor;
the upper outer wall surface of the sound box cavity shell is provided with a control button, and the control button is electrically connected with the motor and used for controlling the forward and reverse rotation of the motor.
7. The phase inversion speaker box of claim 1, wherein said speakers are two in total;
the two loudspeakers are symmetrically arranged on two sides of the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223233348.4U CN219247989U (en) | 2022-11-21 | 2022-11-21 | Phase inversion type sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223233348.4U CN219247989U (en) | 2022-11-21 | 2022-11-21 | Phase inversion type sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219247989U true CN219247989U (en) | 2023-06-23 |
Family
ID=86806945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223233348.4U Active CN219247989U (en) | 2022-11-21 | 2022-11-21 | Phase inversion type sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219247989U (en) |
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2022
- 2022-11-21 CN CN202223233348.4U patent/CN219247989U/en active Active
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