Sound box with high sound effect

Abstract

The utility model discloses a sound box with a high sound effect, which comprises a box body, and a low pitch unit, a middle pitch unit and a high pitch unit which are arranged on the sound box, and a front plate, a back plate, a top plate, a bottom plate, a first side plate and a second side plate of the box body are all composite plate bodies. The composite board body comprises an inner-layer high-density fiberboard, an outer-layer medium-density fiberboard and a high-damping adhesive layer which is fixedly adhered between the inner-layer high-density fiberboard and the outer-layer medium-density fiberboard, and the centers of the low-pitch unit, the middle-pitch unit and the high-pitch unit are not positioned on the same straight line. The box body of the sound box is composed of the inner-layer high-density fiberboard, the outer-layer medium-density fiberboard and the high-damping glue layer, and the box body is formed by combining different woods to disperse panel resonance, so that obvious acoustic resonance of a single frequency is avoided. And the inner-layer high-density fiberboard and the outer-layer medium-density fiberboard are bonded by using high-damping glue to form an inseparable whole, so that unnecessary resonance is avoided.

Description

Technical Field

[0001] The utility model relates to the field of sound boxes, and more specifically, to a high-sound-effect sound box. Background Art

[0002] A speaker is a device that converts electrical signals into sound signals and is an extremely important part of the speaker system. It uses the power amplifier built into the box to amplify the audio signal and then plays it back through the speaker itself, making the sound louder. With the continuous development of music, the requirements for speakers are also constantly increasing.

[0003] Most existing speaker shells are made of single-layer fiberboard. During use, the box will produce a single-frequency resonance with the vibration of the sound unit, affecting the sound effect. Secondly, in existing speakers, the middle, high and low sound units are arranged in a regular pattern, making the sound waves more concentrated after being reflected at the edge of the box, which also affects the sound effect. Utility Model Content

[0004] The utility model aims at solving the above-mentioned defects of the prior art and provides a high-sound-effect speaker.

[0005] The technical solution adopted by the utility model to solve the technical problem is: constructing a high-sound-effect speaker, the speaker comprises a box body, and a woofer, a midrange unit and a tweeter installed on the speaker, the front plate, the back plate, the top plate, the bottom plate, the first side plate and the second side plate of the box body are all composite plates, the composite plate body comprises an inner layer of high-density fiberboard, an outer layer of medium-density fiberboard, and a high-damping adhesive layer fixedly bonded between the inner layer of high-density fiberboard and the outer layer of medium-density fiberboard, and the centers of the woofer, the midrange unit and the tweeter are not located on the same straight line.

[0006] In the high-efficiency sound box described in the utility model, the woofer, the midrange unit and the tweeter are all fixedly installed on the front panel, the woofer is installed at the centerline position of the bottom of the front panel, the midrange unit is installed at a non-centerline second side position in the middle of the front panel, and the tweeter is installed at a non-centerline second side position in the upper part of the front panel.

[0007] In the high-sound-effect speaker described in the utility model, a vertical support plate and a horizontal support plate vertically fixedly connected to the middle of the vertical support plate are provided in the box body, the first side plate and the second side plate are respectively fixedly connected to the two sides of the vertical support plate and the horizontal support plate, the front plate and the back plate are respectively fixedly connected to the front end and the rear end of the vertical support plate and the horizontal support plate, the top plate is fixedly connected to the top end of the vertical support plate, and the bottom plate is fixedly connected to the bottom end of the vertical support plate.

[0008] In the high-sound-effect speaker described in the utility model, the inner side surface of the first side panel is provided with a first "cross"-shaped groove into which the first side edges of the vertical support plate and the horizontal support plate can be embedded and connected, and the inner side surface of the second side panel is provided with a second "cross"-shaped groove into which the second side edges of the vertical support plate and the horizontal support plate can be embedded and connected.

[0009] In the high sound effect speaker described in the utility model, the inner side surface of the front plate is provided with a first transverse groove for the front end of the horizontal support plate to be embedded and connected, and the inner side surface of the back plate is provided with a second transverse groove for the rear end of the horizontal support plate to be embedded and connected.

[0010] In the high sound effect speaker described in the utility model, the inner side surface of the top plate is provided with a third transverse groove for the top end of the vertical support plate to be embedded and connected, and the inner side surface of the bottom plate is provided with a fourth transverse groove for the bottom end of the vertical support plate to be embedded and connected.

[0011] In the high-sound-effect speaker described in the utility model, the inner side surface of the first side panel is also provided with a first vertical groove into which the first side of the front panel can be embedded and connected, the inner side surface of the second side panel is also provided with a second vertical groove into which the second side of the front panel can be embedded and connected, the inner side surface of the top panel is provided with a fifth horizontal groove into which the top end of the front panel can be embedded and connected, and the inner side surface of the bottom panel is provided with a sixth horizontal groove into which the bottom end of the front panel can be embedded and connected.

[0012] The implementation of the high-sound-effect speaker of the utility model has the following beneficial effects: when using the high-sound-effect speaker of the utility model, the speaker box is composed of an inner layer of high-density fiberboard, an outer layer of medium-density fiberboard and a high-damping glue layer, and the box uses a combination of different woods to disperse the panel resonance and avoid obvious auditory resonance of a single frequency. High-damping glue is used to bond the inner layer of high-density fiberboard and the outer layer of medium-density fiberboard to form an inseparable whole to avoid unnecessary resonance. Furthermore, the midrange unit and the tweeter are offset relative to the woofer at the center of the front panel to disperse the reflection from the edge of the box, provide excellent stereo imaging, and play a role in improving the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0014] Figure 1 This is a schematic diagram of the first exploded structure of the high-performance sound box of the utility model;

[0015] Figure 2 It is a second exploded structural schematic diagram of the high sound effect speaker of the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0017] like Figure 1 As shown, in the first embodiment of the high-efficiency sound box of the utility model, the sound box 10 includes a box body 11, and a woofer 12, a midrange unit 13 and a tweeter 14 installed on the sound box 10. The front panel 15, the back panel 16, the top panel 17, the bottom panel 18, the first side panel 19 and the second side panel 20 of the box body 11 are all composite board bodies 21. The composite board body 21 includes an inner layer of high-density fiberboard 22, an outer layer of medium-density fiberboard 23, and a high-damping adhesive layer 24 fixedly bonded between the inner layer of high-density fiberboard 22 and the outer layer of medium-density fiberboard 23. The centers of the woofer 12, the midrange unit 13 and the tweeter 14 are not located on the same straight line.

[0018] When using the high-sound-effect speaker of the utility model, the cabinet 11 of the speaker 10 is composed of an inner layer of high-density fiberboard 22, an outer layer of medium-density fiberboard 23 and a high-damping glue layer 24. The cabinet 11 uses a combination of different woods to disperse the panel resonance and avoid obvious auditory resonance of a single frequency. High-damping glue is used to bond the inner layer of high-density fiberboard 22 and the outer layer of medium-density fiberboard 23 to form an inseparable whole to avoid unnecessary resonance. Furthermore, the midrange unit 13 and the tweeter 14 are offset relative to the woofer 12 at the center of the front panel 15 to disperse the reflection from the edge of the cabinet 11, provide excellent stereo imaging, and play a role in improving the speaker 10.

[0019] Specifically, the woofer 12, the midrange unit 13 and the tweeter 14 are all fixedly mounted on the front panel 15, the woofer 12 is mounted at the centerline position of the bottom of the front panel 15, the midrange unit 13 is mounted at a non-centerline second side position in the middle of the front panel 15, and the tweeter 14 is mounted at a non-centerline second side position on the upper part of the front panel 15.

[0020] Preferably, the centers of the mid-range unit 13 and the tweeter unit 14 are located on the same straight line, and the straight line is parallel to the vertical center line of the front panel 15 .

[0021] like Figure 2 As shown, the box body 11 is provided with a vertical support plate 25 and a horizontal support plate 26 vertically fixedly connected to the middle of the vertical support plate 25, the first side plate 19 and the second side plate 20 are respectively fixedly connected to the two sides of the vertical support plate 25 and the horizontal support plate 26, the front plate 15 and the back plate 16 are respectively fixedly connected to the front end and rear end of the vertical support plate 25 and the horizontal support plate 26, the top plate 17 is fixedly connected to the top end of the vertical support plate 25, and the bottom plate 18 is fixedly connected to the bottom end of the vertical support plate 25.

[0022] Specifically, the inner side surface of the first side plate 19 is provided with a first "cross" shaped groove for the first side edges of the vertical support plate 25 and the horizontal support plate 26 to be embedded and connected, and the inner side surface of the second side plate 20 is provided with a second "cross" shaped groove 27 for the second side edges of the vertical support plate 25 and the horizontal support plate 26 to be embedded and connected. The inner side surface of the front plate 15 is provided with a first transverse groove for the front end of the horizontal support plate 26 to be embedded and connected, and the inner side surface of the back plate 16 is provided with a second transverse groove 28 for the rear end of the horizontal support plate 26 to be embedded and connected. The inner side surface of the top plate 17 is provided with a third transverse groove for the top end of the vertical support plate 25 to be embedded and connected, and the inner side surface of the bottom plate 18 is provided with a fourth transverse groove 30 for the bottom end of the vertical support plate 25 to be embedded and connected.

[0023] Furthermore, the inner side surface of the first side panel 19 is also provided with a first vertical groove into which the first side of the front panel 15 can be embedded and connected, the inner side surface of the second side panel 20 is also provided with a second vertical groove 31 into which the second side of the front panel 15 can be embedded and connected, the inner side surface of the top panel 17 is provided with a fifth horizontal groove into which the top end of the front panel 15 can be embedded and connected, and the inner side surface of the bottom panel 18 is provided with a sixth horizontal groove 32 into which the bottom end of the front panel 15 can be embedded and connected.

[0024] During assembly, align the two sides of the vertical support plate 25 and the horizontal support plate 26 with the first cross groove and the second cross groove 27, respectively, and insert them. Align the front and rear ends of the horizontal support plate 26 with the first transverse groove and the second transverse groove 28, respectively, and insert the top and bottom ends of the vertical support plate 25 with the first transverse groove and the second transverse groove 28, respectively. At the same time, align the four sides of the front plate 15 with the first vertical groove, the second vertical groove 31, the first transverse groove and the second transverse groove 28, respectively, and insert and connect them. After assembly is completed, the inside and outside of the box body 11 are fixed by the mortise and tenon embedded connection method, which can increase the stability of the box body 11.

[0025] In addition, in the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", "stacked" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high-sound-effect speaker, characterized in that: The speaker box includes a cabinet, and a woofer, a midrange unit and a tweeter installed on the speaker box. The front panel, the back panel, the top panel, the bottom panel, the first side panel and the second side panel of the cabinet are all composite panels. The composite panel includes an inner layer of high-density fiberboard, an outer layer of medium-density fiberboard, and a high-damping adhesive layer fixedly bonded between the inner layer of high-density fiberboard and the outer layer of medium-density fiberboard. The centers of the woofer, the midrange unit and the tweeter are not located on the same straight line.

2. The high-performance sound box according to claim 1, characterized in that: The woofer, midrange unit and tweeter are all fixedly mounted on the front panel, the woofer is mounted at the centerline position of the bottom of the front panel, the midrange unit is mounted at a non-centerline second side position in the middle of the front panel, and the tweeter is mounted at a non-centerline second side position in the upper part of the front panel.

3. The high-performance speaker according to claim 1, characterized in that: The box body is provided with a vertical support plate, and a horizontal support plate vertically fixedly connected to the middle of the vertical support plate, the first side plate and the second side plate are respectively fixedly connected to the two sides of the vertical support plate and the horizontal support plate, the front plate and the back plate are respectively fixedly connected to the front end and the rear end of the vertical support plate and the horizontal support plate, the top plate is fixedly connected to the top end of the vertical support plate, and the bottom plate is fixedly connected to the bottom end of the vertical support plate.

4. The high-performance sound box according to claim 3, characterized in that: The inner side surface of the first side plate is provided with a first "cross" shaped groove for the first side edges of the vertical support plate and the horizontal support plate to be embedded and connected, and the inner side surface of the second side plate is provided with a second "cross" shaped groove for the second side edges of the vertical support plate and the horizontal support plate to be embedded and connected.

5. The high-performance sound box according to claim 3, characterized in that: The inner side surface of the front plate is provided with a first transverse groove into which the front end of the horizontal support plate can be embedded and connected, and the inner side surface of the back plate is provided with a second transverse groove into which the rear end of the horizontal support plate can be embedded and connected.

6. The high-performance sound box according to claim 3, characterized in that: The inner side surface of the top plate is provided with a third transverse groove into which the top end of the vertical support plate can be embedded and connected, and the inner side surface of the bottom plate is provided with a fourth transverse groove into which the bottom end of the vertical support plate can be embedded and connected.

7. The high-performance sound box according to claim 3, characterized in that: The inner side surface of the first side panel is also provided with a first vertical groove into which the first side of the front panel can be embedded and connected, the inner side surface of the second side panel is also provided with a second vertical groove into which the second side of the front panel can be embedded and connected, the inner side surface of the top panel is provided with a fifth horizontal groove into which the top end of the front panel can be embedded and connected, and the inner side surface of the bottom panel is provided with a sixth horizontal groove into which the bottom end of the front panel can be embedded and connected.

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