Sound box horn structure and sound box using same

Abstract

The utility model discloses a sound box horn structure and a sound box using the same, the sound box horn structure comprises a horn upper cover and a horn lower cover, the horn lower cover is provided with two grooves, and the two grooves are in mirror symmetry with a Y-axis direction as a symmetry axis; the width of the groove is gradually increased in the sound wave conveying direction. The groove comprises a first arc-shaped surface, a second arc-shaped surface and a vertical surface which are connected in sequence; the vertical surface is close to the middle of the horn lower cover, and the first arc-shaped surface is close to the outer side of the horn lower cover; the first arc-shaped surface is bent outwards, and the second arc-shaped surface is bent downwards; the horn upper cover detachably covers the top of the horn lower cover, and the horn upper cover is matched with the first arc-shaped surface, the second arc-shaped surface and the vertical surface to form a sound wave channel. The sound box horn structure is formed by combining the horn upper cover and the horn lower cover, and sound waves are effectively transmitted outwards from the loudspeaker unit through the two sound wave channels, so that the sound transmission is more stable, the directivity of the sound waves is enhanced, the sound waves are transmitted more accurately, and the intermediate frequency efficiency of the sound box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sound box equipment field especially, and relates to a sound box horn structure and apply its sound box. BACKGROUND

[0002] The sound box is also called as the sound, and the traditional sound box has many types, and the commonly used ones include professional sound box, line array sound box and point sound source sound box, and different sound boxes can be applied to different occasions to provide different sound quality for people.

[0003] The existing sound box is usually combined with the horn structure, but the existing horn structure is not ideal design, and the sound wave of the middle tone section is easy to be interfered, so that the sound propagation of the sound box still has range limitation. UTILITY MODEL CONTENT

[0004] The utility model relates to a sound box horn structure and apply its sound box to solve the problem that the sound propagation effect of the horn structure is not ideal.

[0005] In order to achieve the purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a sound box horn structure, including horn upper cover and horn lower cover, the horn lower cover is equipped with two recesses, two recesses are mirror symmetry with Y axis direction as the symmetry axis, the width of recess gradually increases along the sound wave conveying direction,

[0007] The recess includes first arc surface, second arc surface and vertical surface that are sequentially connected, the vertical surface is close to the middle part of horn lower cover, and the first arc surface is close to the outside of horn lower cover, the first arc surface is curved outward, and the second arc surface is curved downward,

[0008] The horn upper cover can be detachably covered on the top of horn lower cover, and the horn upper cover cooperates with the first arc surface, the second arc surface and the vertical surface to form a sound wave channel.

[0009] In the sound box horn structure, the bottom surface of the horn upper cover is provided with third arc surface and fourth arc surface that are sequentially connected, the third arc surface is located at the sound wave inlet end of the fourth arc surface, and the third arc surface and the fourth arc surface are both curved downward.

[0010] In the sound box horn structure, the radius of the fourth arc surface is 73-76mm.

[0011] In the sound box horn structure, the inner wall of the fourth arc surface is spaced apart from each other in the X axis direction and is provided with a plurality of reinforcing strips, and the reinforcing strips are arranged along the Y axis direction.

[0012] The horn upper cover is provided with first through holes at the proximal end of the sound wave outlet end, and second through holes are arranged at the two sides and the middle part of the horn upper cover.

[0013] The fixing screw is screwed through the first through hole and the fixing screw hole, and the fixing bolt is screwed through the corresponding second through hole and the third through hole and is bolted through the nut.

[0014] The horn upper cover is provided with first through holes at the proximal end of the sound wave outlet end, and second through holes are arranged at the two sides and the middle part of the horn upper cover.

[0015] The horn upper cover is provided with first through holes at the proximal end of the sound wave outlet end, and second through holes are arranged at the two sides and the middle part of the horn upper cover.

[0016] The horn upper cover is provided with first through holes at the proximal end of the sound wave outlet end, and second through holes are arranged at the two sides and the middle part of the horn upper cover.

[0017] The horn upper cover is provided with first through holes at the proximal end of the sound wave outlet end, and second through holes are arranged at the two sides and the middle part of the horn upper cover.

[0018] The horn upper cover is provided with first through holes at the proximal end of the sound wave outlet end, and second through holes are arranged at the two sides and the middle part of the horn upper cover.

[0019] The horn upper cover is provided with first through holes at the proximal end of the sound wave outlet end, and second through holes are arranged at the two sides and the middle part of the horn upper cover. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a structural schematic diagram of one embodiment of the utility model;

[0021] Fig. 2 is an explosion structural schematic diagram of one embodiment of the utility model;

[0022] Fig. 3 is a side view of one embodiment of the utility model;

[0023] Fig. 4Is the structure diagram of the lower cover of the horn in one of the embodiments of the utility model;

[0024] Fig. 5 Is the structure diagram of the upper cover of the horn in one of the embodiments of the utility model;

[0025] Fig. 6 Is the use state reference drawing of one of the embodiments of the utility model;

[0026] In the drawing, the upper cover of the horn 1, the lower cover of the horn 2, the fixed screw 3, the fixed bolt 4;

[0027] The third arc surface 11, the fourth arc surface 12, the first through hole 13, the second through hole 14, the second reinforcing rib 15, the groove 20, the fixed screw hole 21, the third through hole 22, the positioning column 23, the first reinforcing rib 24;

[0028] The reinforcing strip 121, the first arc surface 201, the second arc surface 202, the vertical surface 203. DETAILED DESCRIPTION

[0029] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation of the utility model.

[0030] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. In addition, the features limited by "first", "second" can explicitly or implicitly include one or more features, which are used to distinguish the described features, and there is no order and no difference in importance.

[0031] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside intercommunication, for ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model with specific situation.

[0033] Please refer to Figs. 1-6 The utility model provides a kind of sound box horn structure, including horn upper cover 1 and horn lower cover 2, the horn lower cover 2 is equipped with two recesses 20, two the recess 20 is mirror symmetry with Y axis direction as symmetry axis;The width of the recess 20 gradually increases along the sound wave conveying direction;

[0034] The recess 20 includes first arc surface 201, second arc surface 202 and vertical surface 203 connected in sequence;The vertical surface 203 is close to the middle part of horn lower cover 2, and the first arc surface 201 is close to the outside of horn lower cover 2;The first arc surface 201 is curved outward, and the second arc surface 202 is curved downward;

[0035] The horn upper cover 1 detachable cover is equipped in the top of horn lower cover 2, and the horn upper cover 1 cooperates with first arc surface 201, second arc surface 202 and vertical surface 203 to form sound wave channel.

[0036] The sound box horn structure is combined by horn upper cover 1 and horn lower cover 2, and the horn lower cover 2 has two recesses 20, and the recess 20 is combined by first arc surface 201, second arc surface 202 and vertical surface 203;The horn upper cover 1 detachable cover is equipped in the top of horn lower cover 2, so that the horn upper cover 1 cooperates with first arc surface 201, second arc surface 202 and vertical surface 203 to form sound wave channel, since the width of the recess 20 gradually increases along the sound wave conveying direction, therefore, the sound wave inlet end of sound wave channel is less than the sound wave outlet end of sound wave channel, and the inner diameter of sound wave channel gradually increases along the sound wave conveying direction.

[0037] The sound box horn structure effectively spreads sound wave from loudspeaker unit outward through two special-shaped sound wave channels, so that the propagation of sound is more stable, avoids the scattering or reflection of sound, improves the efficiency of audio system, and at the same time, enhances the directivity of sound wave, so that it is more accurate, improves the mid-frequency efficiency of sound box.

[0038] The first arc surface 201, the second arc surface 202 and the vertical surface 203 are integrally formed, and transition arc surfaces are arranged between the first arc surface 201 and the second arc surface 202 and between the second arc surface 202 and the vertical surface 203, so that the sound wave channel is smoother and sound wave conduction is facilitated.

[0039] Specifically, the bottom surface of the horn upper cover 1 is provided with a third arc surface 11 and a fourth arc surface 12 connected in sequence; the third arc surface 11 is located at the sound wave inlet end of the fourth arc surface 12, and both the third arc surface 11 and the fourth arc surface 12 are downwardly curved.

[0040] The first arc surface 201, the second arc surface 202 and the vertical surface 203 in the two grooves 20 are matched with the third arc surface 11 and the fourth arc surface 12 to form a sound wave channel.

[0041] Specifically, the radius of the fourth arc surface 12 is 73-76 mm. In one specific embodiment of the present application, the radius of the fourth arc surface 12 is 75.5 mm. With the above size, the propagation range of sound waves is wider.

[0042] Specifically, the inner wall of the fourth arc surface 12 is spaced apart in the X-axis direction and provided with a plurality of reinforcing strips 121, and the reinforcing strips 121 are arranged in the Y-axis direction.

[0043] The reinforcing strips 121 can effectively improve the frequency response of the horn, make the responses of low frequency and high frequency more balanced, and make the waveguide shape of the horn more gradual and smooth, thereby improving the propagation efficiency of sound waves from the loudspeaker to the air.

[0044] Specifically, the horn upper cover 1 is provided with a first through hole 13 at the proximal end of the sound wave outlet end, and the two sides and the middle of the horn upper cover 1 are provided with a second through hole 14; the horn lower cover 2 is provided with a fixing screw hole 21 at the proximal end of the sound wave outlet end, and the two sides and the middle of the horn lower cover 2 are provided with a third through hole 22.

[0045] The fixing screw 3 passes through the first through hole 13 and is threadedly connected with the fixing screw hole 21, and the fixing bolt 4 passes through the corresponding second through hole 14 and the third through hole 22 and is bolted through a nut.

[0046] In one embodiment of the utility model, the upper horn cover 1 and the lower horn cover 2 are fixed by fixing screws 3 and fixing bolts 4. The above structure can provide greater tensile strength and shear strength, and can ensure the stability of the structure. Moreover, it is easy to disassemble or install, and can be repaired, maintained or replaced when needed.

[0047] Preferably, the top surface of the lower horn cover 2 is provided with a positioning column 23, and the bottom surface of the upper horn cover 1 is provided with a positioning hole matched with the position of the positioning column 23, and the positioning column 23 is inserted into the positioning hole.

[0048] With the above structure, during assembly, the positioning column 23 can stably guide the upper horn cover 1 to the predetermined position of the lower horn cover 2, ensuring the accurate relative position between the upper horn cover 1 and the lower horn cover 2. Moreover, it can help to quickly and accurately align the upper horn cover 1 and the lower horn cover 2, improve the assembly efficiency, and make the assembly process more simple and efficient.

[0049] Optionally, the bottom outer wall of the lower horn cover 2 is provided with a first reinforcing rib 24, and the top outer wall of the upper horn cover 1 in the third arc surface 11 region is provided with a second reinforcing rib 15.

[0050] The first reinforcing rib 24 and the second reinforcing rib 15 can uniformly distribute stress and avoid stress concentration, thereby enhancing the strength of the overall structure. It improves the rigidity of the upper horn cover 1 or the lower horn cover 2, and the warping and deformation caused by vibration.

[0051] Specifically, the size of the upper horn cover 1 and the lower horn cover 2 is matched, the length of the horn structure of the sound box is 255-265mm, the width of the sound wave outlet end of the horn structure of the sound box is 305-310mm, the width of the sound wave outlet of the sound wave channel is 140-145mm, and the distance between the two grooves 20 is 20-30mm.

[0052] In one embodiment of the utility model, the length of the horn structure of the sound box is 261.8mm, the width of the sound wave outlet end of the horn structure of the sound box is 308.9mm, the width of the sound wave outlet of the sound wave channel is 143.5mm, and the distance between the two grooves 20 is 21.9mm.

[0053] The utility model also provides a sound box, which uses the horn structure of the sound box.

[0054] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these equivalent variations or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A speaker horn structure, characterized by, The horn upper cover and the horn lower cover are provided with two grooves, and the two grooves are mirror-symmetrical with the Y-axis direction as the axis of symmetry; the width of the grooves gradually increases along the sound wave conveying direction; The grooves comprise a first arc surface, a second arc surface and a vertical surface connected in sequence; the vertical surface is close to the middle part of the horn lower cover, and the first arc surface is close to the outer side of the horn lower cover; the first arc surface curves outward, and the second arc surface curves downward; The horn upper cover is detachably arranged on the top of the horn lower cover, and the horn upper cover cooperates with the first arc surface, the second arc surface and the vertical surface to form a sound wave channel.

2. A horn structure for a speaker enclosure according to claim 1, wherein The bottom surface of the horn upper cover is provided with a third arc surface and a fourth arc surface connected in sequence; the third arc surface is located at the sound wave inlet end of the fourth arc surface, and the third arc surface and the fourth arc surface both curve downward.

3. A horn structure for a sound enclosure according to claim 2, wherein, The radius of the fourth arc surface is 73-76 mm.

4. A horn structure for a sound enclosure according to claim 2, wherein The inner wall of the fourth arc surface is provided with a plurality of reinforcing strips distributed at intervals along the X-axis direction, and the reinforcing strips are arranged along the Y-axis direction.

5. The speaker horn structure of claim 1, wherein, Further comprising a fixing screw and a plurality of fixing bolts, the sound wave outlet end of the horn upper cover is provided with a first through hole at the proximal end, and the two sides and the middle part of the horn upper cover are provided with a second through hole; the sound wave outlet end of the horn lower cover is provided with a fixing screw hole at the proximal end, and the two sides and the middle part of the horn lower cover are provided with a third through hole at intervals; The fixing screw is screwed through the first through hole and the fixing screw hole, and the fixing bolt is screwed through the corresponding second through hole and the third through hole and is connected by a nut.

6. A horn structure for a sound enclosure according to claim 1, wherein The top surface of the horn lower cover is provided with a positioning column, and the bottom surface of the horn upper cover is provided with a positioning hole matched with the position of the positioning column, and the positioning column is inserted into the positioning hole.

7. The speaker horn structure of claim 1, wherein, The bottom outer side wall of the horn lower cover is provided with a first reinforcing rib, and the top outer side wall of the horn upper cover in the third arc surface area is provided with a second reinforcing rib.

8. The speaker horn structure of claim 1, wherein, The horn upper cover and the horn lower cover are matched in size, the length of the horn structure of the sound box is 255-265 mm, the width of the sound wave outlet end of the horn structure of the sound box is 305-310 mm, the width of the sound wave outlet of the sound wave channel is 140-145 mm, and the distance between the two grooves is 20-30 mm.

9. A sound box, characterized in that, The sound box uses the horn structure of the sound box according to any one of claims 1-8.

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