Sound guide cone and conference terminal electronic product

Abstract

The utility model discloses a sound guide cone and a conference terminal electronic product, the sound guide cone comprises a support frame and a sound cone body, the support frame is used for being installed on a shell in the conference terminal electronic product, and a plurality of sound holes are arranged on the support frame in a penetrating manner; the sound cone body comprises a bottom plate arranged on the supporting frame in a protruding mode, a flow guide column arranged in the middle of the face, away from the supporting frame, of the bottom plate in a protruding mode and a plurality of flow guide plates arranged towards one side of a loudspeaker in the conference terminal electronic product, the sound holes are annularly formed outside the bottom plate, and the flow guide plates are fan-blade-shaped plate bodies. The flow guide plates are arranged on the face, away from the supporting frame, of the bottom plate in a protruding mode, one end of each flow guide plate is connected with the flow guide column, the other end of each flow guide plate corresponds to the edge of the bottom plate, and the distance between the side, away from the bottom plate, of each flow guide plate and the bottom plate is gradually decreased from the end close to the flow guide column to the end close to the edge of the bottom plate so that sound airflow can be dredged. And sound airflow in the front cavity of the loudspeaker is led out instantly, so that physical pressurization is realized, and the sound pressure loudness of the conference terminal electronic product is improved.

Description

Technical Field

[0001] This utility model relates to the field of speaker product structure technology, and in particular to a sound guide cone and conference terminal electronic product. Background Technology

[0002] Currently, the microphone array technology and echo cancellation technology used in conference terminal electronic products have certain requirements for hardware output sensitivity. Because the sensitivity cannot be too high, the overall loudness of the conference terminal electronic products is relatively low. Later, those skilled in the art installed sound guide cones on the conference terminal electronic products. The sound guide cones are positioned directly opposite the speakers inside, and the sound guide cones can diffuse the sound airflow emitted by the speakers in all directions.

[0003] However, the existing sound guide cones on the market have simple structures, are ordinary cone shapes, and have very smooth surfaces. They are not very efficient at expelling sound airflow from the front cavity of the speaker, and their effect on improving the sound pressure level of conference terminal electronic products is not obvious, thus failing to improve the call quality of conference terminal electronic products. Utility Model Content

[0004] This utility model provides a sound guide cone and a conference terminal electronic product, aiming to solve the technical problem that the sound guide cone structure of the existing conference terminal electronic product is simple, is a common cone shape, has a very smooth surface, has low efficiency in exporting sound airflow from the front cavity of the speaker, has no obvious effect on improving the sound pressure level of the conference terminal electronic product, and cannot improve the call quality of the conference terminal electronic product.

[0005] This utility model provides a sound guide cone, comprising:

[0006] A support frame for mounting on the outer casing of a conference terminal electronic product, the support frame having multiple through-holes;

[0007] The sound cone includes a base plate protruding from the support frame, a guide column protruding from the center of the side of the base plate away from the support frame, and multiple guide plates all facing the speaker side of the conference terminal electronic product. Each sound hole is arranged around the outside of the base plate. The guide plate is a fan-shaped plate. Each guide plate protrudes from the side of the base plate away from the support frame. One end of each guide plate is connected to the guide column, and the other end is corresponding to the edge of the base plate. The distance between the side of the guide plate away from the base plate and the base plate gradually decreases from the end near the guide column to the end near the edge of the base plate.

[0008] Furthermore, the guide plate has an angled guide at one end near the edge of the base plate for guiding sound into the corresponding sound hole.

[0009] Furthermore, the guide column includes a support column and a cone head. The support column protrudes from the base plate, and the cone head protrudes from the side of the support column away from the base plate. Each guide plate is connected to the support column.

[0010] Furthermore, the sound cone also includes a plurality of first studs for connecting to the outer casing. The number of first studs is less than the number of guide plates. The first studs protrude from the corresponding guide plates and are provided with first threaded holes.

[0011] Furthermore, the support frame includes a support plate and a plurality of second studs for connecting to the outer shell, each of the sound holes is provided on the support plate, the base plate is connected to the support plate, and the second studs are provided with second threaded holes.

[0012] Furthermore, the support frame also includes an annular retaining ring for insertion into the annular groove in the housing, the annular retaining ring protruding from the support plate, and each of the second studs and each of the sound holes being located within the annular retaining ring.

[0013] Furthermore, the sound guide cone also includes multiple third studs for connecting to the start button in the conference terminal electronic product. The sound guide cone also has a positioning cavity, and the support plate also has a through hole. The sound cone body has a receiving groove and a conical groove recessed on the bottom wall of the receiving groove. The through hole communicates with the receiving groove. The inner wall of the through hole, the inner wall of the receiving groove, and the inner wall of the conical groove surround to form the positioning cavity. Each of the third studs protrudes from the bottom wall of the conical groove, and the third stud has a third threaded hole.

[0014] Furthermore, the sound guide cone also includes at least one anti-fooling post for preventing the start button from being installed backwards, the anti-fooling post protruding from the bottom wall of the receiving groove.

[0015] Furthermore, the sound guide cone is also provided with a wire hole communicating with the positioning cavity, the wire hole extending from the inner wall of the positioning cavity to the outer wall of the sound cone body.

[0016] This utility model also provides a conference terminal electronic product, including the sound guide cone as described above.

[0017] Compared with the prior art, the beneficial effects of this utility model include at least the following:

[0018] The sound guide cone introduced in this invention for the conference terminal electronic product has multiple fan-shaped baffles to guide the sound airflow, instantly expelling the sound airflow from the front cavity of the speaker, thereby achieving physical pressurization and improving the sound pressure level of the conference terminal electronic product. This effectively solves the problem of improving the call quality of the conference terminal electronic product without changing the microphone array's voice signal processing, making it suitable for widespread promotion. Attached Figure Description

[0019] Figure 1 Schematic diagram of the sound guide cone provided in the embodiment of this utility model Figure 1 ;

[0020] Figure 2 Schematic diagram of the sound guide cone provided in the embodiment of this utility model Figure 2 ;

[0021] Figure 3 A partial structural schematic diagram of the electronic conference terminal provided in this embodiment of the utility model;

[0022] Figure 4 for Figure 3 Exploded view;

[0023] Figure 5 This is a schematic diagram of the upper shell provided for an embodiment of the present utility model.

[0024] In the picture:

[0025] 10. Sound guide cone; 11. Positioning cavity; 12. Wire hole; 20. Support frame; 21. Sound hole; 22. Support plate; 221. Second stud; 2211. Second threaded hole; 222. Through hole; 23. Annular retaining ring; 24. Limiting post; 30. Sound cone body; 31. Base plate; 32. Guide post; 33. Guide plate; 331. Angled guide angle; 34. First stud; 341. First threaded hole; 35. 36. Receiving groove; 40. Conical groove; 41. Outer shell; 42. Annular groove; 43. Limiting groove; 44. Upper shell; 45. First through hole; 46. Second through hole; 47. Lower shell; 50. Speaker; 60. Start button; 71. Third stud; 72. Third threaded hole; 80. Anti-fooling post; 90. Main control board; 100. First fastener; 200. Second fastener; 300. Third fastener. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0027] Please see Figures 1 to 5As shown, this utility model embodiment discloses a sound guide cone 10, which is mainly used in conference terminal electronic products. The conference terminal electronic products can be products such as speakers. The sound guide cone 10 includes a support frame 20 and a sound cone 30 protruding from the bottom of the support frame 20. The support frame 20 is used to install on the outer shell 40 of the conference terminal electronic product. The support frame 20 is provided with a plurality of sound holes 21.

[0028] The sound cone 30 includes a base plate 31 protruding from the support frame 20, a guide column 32 protruding from the middle of the side of the base plate 31 away from the support frame 20, and multiple guide plates 33 all facing the side of the speaker 50 in the conference terminal electronic product. Each sound hole 21 is arranged around the outside of the base plate 31. The guide plate 33 is a fan-shaped plate. Each guide plate 33 protrudes from the side of the base plate 31 away from the support frame 20. One end of each guide plate 33 is connected to the guide column 32, and the other end is corresponding to the edge of the base plate 31. The distance between the side of the guide plate 33 away from the base plate 31 and the base plate 31 gradually decreases from the end near the guide column 32 to the end near the edge of the base plate 31, so as to guide the sound airflow and quickly export the sound airflow in the front cavity of the speaker 50, thereby achieving physical pressurization and increasing the sound pressure level of the conference terminal electronic product.

[0029] In some embodiments, the number of guide plates 33 is at least three. Each point on the side of the guide plate 33 facing the base plate 31 is connected to the base plate 31. The entire sound guide cone 10 is a one-piece molded design. One end of the guide plate 33 near the edge of the base plate 31 is provided with a beveled guide angle 331 for guiding sound into the corresponding sound hole 21.

[0030] In this embodiment, the guide column 32 includes a support column and a cone head. The support column is cylindrical and protrudes from the base plate 31. The cone head protrudes from the side of the support column away from the base plate 31. Each guide plate 33 is connected to the outer wall of the support column so as to quickly guide the sound airflow emitted by the speaker 50 to the guide plate 33.

[0031] The sound cone 30 also includes a plurality of first studs 34 for connecting to the housing 40. The number of first studs 34 is less than the number of guide plates 33. There are four first studs 34. The number of guide plates 33 is adjusted to the optimal number according to the actual space size. There are fifteen guide plates 33. The first studs 34 protrude from the corresponding guide plates 33. The first studs 34 are provided with first threaded holes 341 to facilitate fixing the middle part of the sound cone 10 to the housing 40.

[0032] In this embodiment, the support frame 20 includes a support plate 22 and a plurality of second studs 221 for connecting to the outer shell 40. Each sound hole 21 is provided on the support plate 22. The bottom plate 31 is connected to the support plate 22. The second studs 221 are provided with second threaded holes 2211 to facilitate fixing the edge of the sound guide cone 10 to the outer shell 40.

[0033] The support frame 20 also includes an annular retaining ring 23 for insertion into the annular groove 41 in the housing 40. The annular retaining ring 23 protrudes from the support plate 22. Each second stud 221 and each sound hole 21 are located inside the annular retaining ring 23 to pre-position the sound guide cone 10 when it is installed on the housing 40.

[0034] The support frame 20 also includes multiple limiting posts 24, each of which protrudes from the support plate 22. The outer shell 40 is provided with multiple limiting grooves 42, and each limiting post 24 is inserted into each limiting groove 42 to prevent the sound guide cone 10 from rotating or shifting relative to the outer shell 40 after installation.

[0035] The sound guide cone 10 also includes multiple third studs 70, each used to connect to the start button 60 in the conference terminal electronic product. The side of the sound guide cone 10 away from the outer shell 40 is provided with a positioning cavity 11. The support plate 22 is also provided with a through hole 222. The sound cone body 30 is provided with a receiving groove 35 and a conical groove 36 recessed on the bottom wall of the receiving groove 35. The through hole 222 communicates with the receiving groove 35. The inner wall of the through hole 222, the inner wall of the receiving groove 35 and the inner wall of the conical groove 36 enclose the positioning cavity 11. The start button 60 is located in the positioning cavity 11. Each third stud 70 protrudes from the bottom wall of the conical groove 36 to fix the start button 60 to the sound guide cone 10. The third stud 70 is provided with a third threaded hole 71.

[0036] In some embodiments, the sound guide cone 10 further includes at least one anti-fool post 80, which protrudes from the bottom wall of the receiving groove 35. There are two anti-fool posts 80. The start button 60 is provided with two anti-fool holes that respectively cooperate with the two anti-fool posts 80 to prevent the start button 60 from being installed backwards.

[0037] The sound guide cone 10 is also provided with a wire hole 12 that communicates with the positioning cavity 11. The wire hole 12 extends from the inner wall of the positioning cavity 11 to the outer wall of the sound cone 30, so that the cable or ribbon cable on the start button 60 can pass through the wire hole 12 and connect to the main control board 90 in the conference terminal electronic product.

[0038] This utility model also discloses a conference terminal electronic product, including a housing 40, a speaker 50, a start button 60, a main control board 90, and a sound guide cone 10 as described above. The speaker 50 is mounted on the housing 40 and forms a receiving space with the housing 40. The main control board 90 is mounted in the receiving space. The sound guide cone 10 is mounted on the outer wall of the housing 40 and is correspondingly arranged with the speaker 50. The start button 60 is mounted on the sound guide cone 10. The start button 60 and the speaker 50 are both electrically connected to the main control board 90.

[0039] The conference terminal electronic product also includes multiple first fasteners 100 and multiple second fasteners 200. The outer shell 40 includes an upper shell 43 and a lower shell 44 that is snapped into the upper shell 43. The upper shell 43 is provided with multiple first through holes 431 and multiple second through holes 432. The first fasteners 100 pass through the corresponding first through holes 431 and are connected to the corresponding first threaded holes 341. The second fasteners 200 pass through the corresponding second through holes 432 and are connected to the corresponding second threaded holes 2211, thereby installing the sound guide cone 10 on the upper shell 43. Both the first fasteners 100 and the second fasteners 200 are screws.

[0040] The conference terminal electronic product also includes multiple third fasteners 300. The start button 60 is also provided with multiple third through holes. After the third fastener 300 passes through the corresponding third through hole, it connects with the corresponding third threaded hole 71, thereby fixing the start button 60 to the sound guide cone 10. The third fastener 300 is a screw.

[0041] In summary, the sound guide cone 10 introduced in this invention for the conference terminal electronic product has multiple fan-shaped guide plates 33 for guiding sound airflow and rapidly exporting the sound airflow in the front cavity of the speaker 50. This achieves physical pressurization to enhance the sound pressure level of the conference terminal electronic product, effectively solving the problem of improving the call quality of the conference terminal electronic product without changing the microphone array's voice signal processing. This invention is suitable for widespread promotion.

[0042] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A sound guide cone, characterized in that, include: A support frame for mounting on the outer casing of a conference terminal electronic product, the support frame having multiple through-holes; The sound cone includes a base plate protruding from the support frame, a guide column protruding from the center of the side of the base plate away from the support frame, and multiple guide plates all facing the speaker side of the conference terminal electronic product. Each sound hole is arranged around the outside of the base plate. The guide plate is a fan-shaped plate. Each guide plate protrudes from the side of the base plate away from the support frame. One end of each guide plate is connected to the guide column, and the other end is corresponding to the edge of the base plate. The distance between the side of the guide plate away from the base plate and the base plate gradually decreases from the end near the guide column to the end near the edge of the base plate.

2. The sound guide cone according to claim 1, characterized in that, The guide plate has a beveled guide angle at one end near the edge of the base plate for guiding sound into the corresponding sound hole.

3. The sound guide cone according to claim 1, characterized in that, The guide column includes a support column and a cone head. The support column protrudes from the base plate, and the cone head protrudes from the side of the support column away from the base plate. Each guide plate is connected to the support column.

4. The sound guide cone according to claim 1, characterized in that, The sound cone also includes a plurality of first studs for connecting to the outer shell. The number of first studs is less than the number of guide plates. The first studs protrude from the corresponding guide plates and are provided with first threaded holes.

5. The sound guide cone according to claim 1, characterized in that, The support frame includes a support plate and a plurality of second studs for connecting to the outer shell. Each of the sound holes is provided on the support plate. The base plate is connected to the support plate. The second studs are provided with second threaded holes.

6. The sound guide cone according to claim 5, characterized in that, The support frame further includes an annular retaining ring for insertion into the annular groove in the housing. The annular retaining ring protrudes from the support plate, and each of the second studs and each of the sound holes are located within the annular retaining ring.

7. The sound guide cone according to claim 5, characterized in that, The sound guide cone also includes multiple third studs for connecting to the start button in the conference terminal electronic product. The sound guide cone also has a positioning cavity. The support plate also has a through hole. The sound cone body has a receiving groove and a conical groove recessed on the bottom wall of the receiving groove. The through hole communicates with the receiving groove. The inner wall of the through hole, the inner wall of the receiving groove, and the inner wall of the conical groove form the positioning cavity. Each of the third studs protrudes from the bottom wall of the conical groove and has a third threaded hole.

8. The sound guide cone according to claim 7, characterized in that, The sound guide cone also includes at least one anti-fooling post for preventing the start button from being installed backwards, the anti-fooling post protruding from the bottom wall of the receiving groove.

9. The sound guide cone according to claim 7, characterized in that, The sound guide cone is also provided with a wire hole communicating with the positioning cavity, the wire hole extending from the inner wall of the positioning cavity to the outer wall of the sound cone.

10. A conference terminal electronic product, characterized in that, Including the sound guide cone as described in any one of claims 1-9.

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