Anti-resonance structure of high-fidelity Bluetooth sound equipment

Abstract

The invention provides an anti-resonance structure of a high-fidelity Bluetooth sound box, and relates to the high-fidelity Bluetooth sound box, the anti-resonance structure comprises a sound box shell and an assembly cavity, a protection cover is assembled in the assembly cavity, a sound production unit is embedded in the protection cover, the center of one side surface of the protection cover is provided with a flat cable groove used for being communicated with the assembly cavity, and the sound production unit is embedded in the protection cover. A first-level anti-resonance element is arranged on one side of the wire arrangement groove, and a second-level anti-resonance element is arranged on the surface of the first-level anti-resonance element. According to the invention, through the arrangement of the first-stage anti-resonance element, when the sounding unit carries out high-frequency sounding, the protection cover vibrates at the same frequency, and under the condition that the protection cover vibrates left and right, the supporting plate can be promoted to horizontally slide, so that the spring generates compression deformation, and then the vibration is offset and weakened.

Description

Technical Field

[0001] The present invention relates to the field of high-fidelity Bluetooth speakers, and in particular to an anti-resonance structure of a high-fidelity Bluetooth speaker. Background Art

[0002] A high-fidelity Bluetooth speaker (Hi-Fi Bluetooth speaker) refers to a Bluetooth speaker device that provides high-fidelity sound. The core of a high-fidelity Bluetooth speaker is its ability to deliver near-original sound quality. This means the speaker device maximizes the reproduction of sound detail, minimizes distortion, and ensures every note of the music is clearly and accurately conveyed to the listener.

[0003] As we all know, sound is produced by vibration. For example, in the audio-visual equipment commonly used by people, the main sound-producing part is the speaker. After passing through the driver, the electrical signal is transmitted to the diaphragm and causes it to vibrate. The vibrating diaphragm will generate sound waves in the air, which is the loud sound we hear.

[0004] That is to say, when the speaker is working, it will generate vibrations of a certain frequency inside. As the volume is adjusted, the frequency of the vibration will also increase. The high-frequency vibration will cause the installed container (i.e. the speaker) to resonate, and will also demagnetize the internal parts. What's worse, it will cause damage, which is not conducive to the stable operation of the speaker. Therefore, we have made improvements to this and proposed an anti-resonance structure for high-fidelity Bluetooth speakers. Summary of the Invention

[0005] The purpose of the present invention is to provide an anti-resonance structure for a high-fidelity Bluetooth speaker, which solves the problems raised in the above-mentioned background technology by setting a primary anti-resonance element and a secondary anti-resonance element.

[0006] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions: A high-fidelity Bluetooth speaker anti-resonance structure includes a speaker housing and an assembly cavity. A protective cover is installed in the assembly cavity, and a sound unit is embedded in the protective cover. A cable groove is provided at the center of one side of the protective cover for communicating with the assembly cavity. A primary anti-resonance element is provided on one side of the cable groove, and a secondary anti-resonance element is provided on the surface of the primary anti-resonance element.

[0007] As a preferred technical solution of the present application, the primary anti-resonance element includes a support plate and a connecting rod fixed to one end of the support plate, and a vibration-damping rubber ball is fixed at a position of the connecting rod facing the cable trough; The vibration-damping rubber ball contacts the inner surface of the protective cover.

[0008] As a preferred technical solution of the present application, a connecting seat is fixed to the other end of the support plate, a sliding rod is slidably assembled inside the connecting seat, and one end of the sliding rod is fixed to the inner wall of the assembly cavity; Wherein, a spring is sleeved on the surface of the sliding rod, one end of the spring is fixed to one side of the connecting seat, and the other end is fixed to the surface of the non-return protrusion on the sliding rod.

[0009] As a preferred technical solution of the present application, the secondary anti-resonance element includes a fixing ring fixed to the side wall of the assembly cavity, the support plate is located at the center of the fixing ring, and the surface of the support plate is provided with a rectangular seat for fixing to the fixing ring; Wherein, a linkage anti-resonance element is provided on the surface of the rectangular seat.

[0010] As a preferred technical solution of the present application, the linkage anti-resonance element includes a U-shaped seat fixed to the surface of the rectangular seat, and the inner side of the U-shaped seat is movably equipped with a vibration damping arm through a torsion shaft; A linkage plate is hinged on one side of the vibration damping arm for being hinged to the surface of the connecting seat.

[0011] As a preferred technical solution of the present application, the secondary anti-resonance element further includes a first movable arm and a second movable arm movably assembled on the surface of the fixing ring through a torsion shaft; Wherein, the surfaces of the first movable arm and the second movable arm are respectively connected with a first vibration-damping rubber wheel and a second vibration-damping rubber wheel.

[0012] As a preferred technical solution of the present application, the first vibration-damping rubber wheel contacts the surface of the protective cover, and the second vibration-damping rubber wheel contacts the inner side of the vibration-damping arm; Wherein, the surface of the vibration-damping arm has a vibration-damping arc surface.

[0013] As a preferred technical solution of the present application, there are multiple secondary anti-resonance elements, and the multiple secondary anti-resonance elements are distributed at equal intervals along the circumferential direction of the fixing ring.

[0014] As a preferred technical solution of the present application, there are multiple vibration-damping rubber balls, and the number of the multiple vibration-damping rubber balls corresponds to the number of the secondary anti-resonance elements; A wiring space is formed between the plurality of vibration-damping rubber balls. The wiring space is larger than the outer diameter of the wiring groove and is used for leading out the wiring on the sound unit.

[0015] As a preferred technical solution of the present application, a vibration-damping material is filled between the sound unit and the protective cover.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the scheme of this application: By setting up a first-level anti-resonance element, when the sound unit produces high-frequency sound, the protective cover will vibrate at the same frequency. When the protective cover vibrates left and right, it can cause the support plate to slide horizontally, causing the spring to produce compression deformation, thereby achieving the purpose of offsetting and weakening the vibration. At the same time, by setting up the secondary anti-resonance element, it can form contact with the outer side of the protective cover. In this way, when the support plate slides horizontally, the connecting seat on it moves synchronously, so that the linkage plate drives the vibration-damping arm to swing. Since the vibration-damping arm is connected to the U-shaped seat, the vibration can be transmitted to the second vibration-damping rubber wheel during the swinging process of the vibration-damping arm. The deformation of the second vibration-damping rubber wheel itself absorbs the vibration, further weakening the generated vibration. After the first vibration-damping rubber wheel in contact with the surface of the protective cover is vibrated, it can also transmit the vibration to the first movable arm, thereby further weakening the vibration due to its own elastic force. Moreover, since the first vibration-damping rubber wheel always maintains contact with the protective cover, the performance requirement of continuously offsetting vibration is met. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the anti-resonance structure of a high-fidelity Bluetooth speaker provided in this application; Figure 2 A schematic cross-sectional view of an anti-resonance structure of a high-fidelity Bluetooth speaker provided in this application; Figure 3 A schematic diagram of the structure of the primary anti-resonance element and the secondary anti-resonance element of the anti-resonance structure of a high-fidelity Bluetooth speaker provided in this application; Figure 4 A schematic diagram of a portion of the structure of an anti-resonance structure of a high-fidelity Bluetooth speaker provided in this application; Figure 5 A schematic cross-sectional view of a primary anti-resonance element and a secondary anti-resonance element of an anti-resonance structure of a high-fidelity Bluetooth speaker provided in this application; Figure 6 This is a side view structural diagram of the primary anti-resonance element and the secondary anti-resonance element of the anti-resonance structure of a high-fidelity Bluetooth speaker provided in this application.

[0018] Indicated in the figure: 1. Speaker housing; 2. Protective cover; 3. Sound unit; 4. Primary anti-resonance element; 5. Secondary anti-resonance element; 11. Assembly cavity; 21. Cable duct; 41. Support plate; 42. Connecting rod; 43. Vibration-damping rubber ball; 44. Connecting seat; 45. Sliding rod; 46. Spring; 47. Check cam; 51. Fixed ring; 52. Rectangular seat; 53. First vibration-damping rubber wheel; 54. Second vibration-damping rubber wheel; 510, first movable arm; 511, second movable arm; 61. U-shaped seat; 63. Vibration damping arm; 64. Linkage plate; 630. Vibration-reducing curved surface. DETAILED DESCRIPTION

[0019] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0020] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents some embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein may be combined with each other.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0023] In the description of the present invention, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the inventive product is typically placed when in use, or the orientations or positional relationships commonly understood by those skilled in the art. Such terms are intended solely to facilitate the description of the present invention and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" and the like are used solely for distinction and should not be construed as indicating or implying relative importance.

[0024] See also Figures 1 to 6 The present invention provides a technical solution: an anti-resonance structure of a high-fidelity Bluetooth speaker, comprising a speaker housing 1 and an assembly cavity 11, a protective cover 2 assembled in the assembly cavity 11, a sound unit 3 embedded in the protective cover 2, a wire groove 21 provided at the center of one side of the protective cover 2 for communicating with the assembly cavity 11, a primary anti-resonance element 4 provided on one side of the wire groove 21, and a secondary anti-resonance element 5 provided on the surface of the primary anti-resonance element 4; The primary anti-resonance element 4 includes a support plate 41 and a connecting rod 42 fixed to one end of the support plate 41. A vibration-damping rubber ball 43 is fixed to the position of the connecting rod 42 facing the cable groove 21. There are multiple connecting rods 42, and the multiple connecting rods 42 are evenly spaced along the circumference of the support plate 41. The vibration-damping rubber ball 43 contacts the inner surface of the protective cover 2 , and the vibration-damping rubber ball 43 itself can undergo a certain elastic deformation, thereby resisting the transmitted vibration; A connecting seat 44 is fixed to the other end of the support plate 41. A sliding rod 45 is slidably mounted inside the connecting seat 44. One end of the sliding rod 45 is fixed to the inner wall of the assembly cavity 11. The sliding rod 45 can slide horizontally inside the connecting seat 44. The surface of the sliding rod 45 is sleeved with a spring 46, one end of the spring 46 is fixed to one side of the connecting seat 44, and the other end is fixed to the surface of the non-return protrusion 47 on the sliding rod 45. Under the action of the spring 46, the sliding rod 45 can resist the support plate 41 on the connecting seat 44 and slide toward the protective cover 2. Finally, in a natural state, the vibration-damping rubber ball 43 on the support plate 41 contacts the surface of the protective cover 2, and a gap is left between the inner end of the sliding rod 45 and the side wall of the connecting seat 44. The secondary anti-resonance element 5 includes a fixing ring 51 fixed to the side wall of the assembly cavity 11. The fixing ring 51 is fixed to the side wall of the assembly cavity 11 by an external fixing member. The support plate 41 is located at the center of the fixing ring 51. A rectangular seat 52 is provided on the surface of the support plate 41 for fixing to the fixing ring 51. The rectangular seat 52 does not contact the inner support plate 41. The rectangular seat 52 is fixed to the fixing ring 51 by a connecting member, thereby ensuring the stability of the position of the rectangular seat 52. Wherein, the surface of the rectangular seat 52 is provided with a linkage anti-resonance element 6; The linkage anti-resonance element 6 includes a U-shaped seat 61 fixed to the surface of the rectangular seat 52. The inner side of the U-shaped seat 61 is equipped with a vibration-damping arm 63 through a rotating shaft. The vibration-damping arm 63 can be flipped along the hinge point between it and the U-shaped seat 61. A linkage plate 64 is hinged to one side of the vibration-damping arm 63 for being hinged to the surface of the connecting seat 44. The linkage plate 64 is hinged to the surface of the connecting seat 44. When the connecting seat 44 slides, the linkage plate 64 thereon will produce an angular deviation, thereby causing the vibration-damping arm 63 thereon to rotate relative to the U-shaped seat 61, thereby achieving synchronous linkage vibration reduction. Specifically, when the sound unit 3 produces sound, the surface of the protective cover 2 generates high-frequency vibrations. At this time, the vibration-damping rubber ball 43 in contact with the surface of the protective cover 2 is affected by the vibrations and acts synchronously on the surface of the support plate 41. At this time, the support plate 41 is deflected in the horizontal direction. When the support plate 41 slides, it squeezes the spring 46 through the connecting seat 44 to cause deformation, thereby gradually offsetting the vibrations and weakening the vibrations caused by the sound. The secondary anti-resonance element 5 further includes a first movable arm 510 and a second movable arm 511 movably assembled on the surface of the fixing ring 51 via a torsion shaft; The surfaces of the first movable arm 510 and the second movable arm 511 are connected to a first vibration-damping rubber wheel 53 and a second vibration-damping rubber wheel 54, respectively. The first vibration-damping rubber wheel 53 is always in close contact with the surface of the protective cover 2 by the action of the torsion shaft on the first movable arm 510. Similarly, the second vibration-damping rubber wheel 54 is always in contact with the vibration-damping arc surface 630 by the action of the torsion shaft on the second movable arm 511. The first vibration-damping rubber wheel 53 contacts the surface of the protective cover 2 , and the second vibration-damping rubber wheel 54 contacts the inner side of the vibration-damping arm 63 , wherein the surface of the vibration-damping arm 63 has a vibration-damping arc surface 630 ; During the process in which the support plate 41 and then the connecting seat 44 slide synchronously to achieve the reduction of vibration transmission, the connecting seat 44 during the sliding process will also cause the vibration-damping arm 63 to deflect synchronously through the linkage plate 64 thereon, thereby dispersing the vibration force on the vibration-damping arm 63 to a certain extent. Since the vibration-damping arm 63 is always in contact with the second vibration-damping rubber wheel 54, the second vibration-damping rubber wheel 54 can further reduce and offset the vibration through its own deformation, thereby improving the overall anti-vibration effect of the speaker. There are multiple secondary anti-resonance elements 5, and the multiple secondary anti-resonance elements 5 are evenly spaced along the circumference of the fixing ring 51; There are multiple vibration-damping rubber balls 43, and the number of the multiple vibration-damping rubber balls 43 corresponds to the number of the secondary anti-resonance elements 5; The plurality of vibration-damping rubber balls 43 are enclosed together to form a wiring space, which is larger than the outer diameter of the wiring groove 21 and is used for leading out the wiring on the sound unit 3; At the same time, when the protective cover 2 vibrates, since the first vibration-damping rubber wheel 53 is always in contact with the protective cover 2, the vibration generated by the protective cover 2 itself can be effectively transmitted to the surface of the first vibration-damping rubber wheel 53. The elastic deformation force generated by the first vibration-damping rubber wheel 53 can also weaken and offset the vibration, thereby improving the overall anti-resonance effect of the speaker. The space between the sounding unit 3 and the protective cover 2 is filled with vibration-damping material.

[0025] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. An anti-resonance structure for a high-fidelity Bluetooth speaker, characterized in that: The invention comprises a sound housing (1) and an assembly cavity (11), wherein a protective cover (2) is assembled in the assembly cavity (11), and a sound unit (3) is embedded in the protective cover (2). A wiring groove (21) is provided at the center of one side of the protective cover (2) for communicating with the assembly cavity (11), a primary anti-resonance element (4) is provided on one side of the wiring groove (21), and a secondary anti-resonance element (5) is provided on the surface of the primary anti-resonance element (4).

2. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 1, characterized in that: The primary anti-resonance element (4) comprises a support plate (41) and a connecting rod (42) fixed to one end of the support plate (41), and a vibration-damping rubber ball (43) is fixed at a position of the connecting rod (42) facing the cable trough (21); The vibration-damping rubber ball (43) contacts the inner surface of the protective cover (2).

3. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 2, characterized in that: A connecting seat (44) is fixed to the other end of the support plate (41), a sliding rod (45) is slidably assembled inside the connecting seat (44), and one end of the sliding rod (45) is fixed to the inner wall of the assembly cavity (11); The surface of the sliding rod (45) is sleeved with a spring (46), one end of the spring (46) is fixed to one side of the connecting seat (44), and the other end is fixed to the surface of the non-return protrusion (47) on the sliding rod (45).

4. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 3, characterized in that: The secondary anti-resonance element (5) comprises a fixing ring (51) fixed to the side wall of the assembly cavity (11); the support plate (41) is located at the center of the fixing ring (51); and a rectangular seat (52) is provided on the surface of the support plate (41) for fixing to the fixing ring (51); Wherein, a linkage anti-resonance element (6) is provided on the surface of the rectangular seat (52).

5. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 4, characterized in that: The linkage anti-resonance element (6) includes a U-shaped seat (61) fixed to the surface of the rectangular seat (52), and a vibration-damping arm (63) is movably mounted on the inner side of the U-shaped seat (61) via a rotating shaft; A linkage plate (64) is hingedly connected to one side of the vibration damping arm (63) for being hingedly connected to the surface of the connecting seat (44).

6. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 5, characterized in that: The secondary anti-resonance element (5) further comprises a first movable arm (510) and a second movable arm (511) movably assembled on the surface of the fixing ring (51) via a torsion shaft; Wherein, the surfaces of the first movable arm (510) and the second movable arm (511) are respectively connected to a first vibration-damping rubber wheel (53) and a second vibration-damping rubber wheel (54).

7. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 6, characterized in that: The first vibration-damping rubber wheel (53) contacts the surface of the protective cover (2), and the second vibration-damping rubber wheel (54) contacts the inner side of the vibration-damping arm (63); Wherein, the surface of the vibration-damping arm (63) has a vibration-damping arc surface (630).

8. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 5, characterized in that: There are multiple secondary anti-resonance elements (5), and the multiple secondary anti-resonance elements (5) are distributed at equal intervals along the circumferential direction of the fixing ring (51).

9. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 8, characterized in that: There are a plurality of the vibration-damping rubber balls (43), and the number of the plurality of the vibration-damping rubber balls (43) corresponds to the number of the secondary anti-resonance elements (5); A plurality of the vibration-damping rubber balls (43) are enclosed together to form a wiring space, and the wiring space is larger than the outer diameter of the wiring groove (21) and is used for leading out the wiring on the pronunciation unit (3).

10. The anti-resonance structure of a high-fidelity Bluetooth speaker according to claim 1, characterized in that: A vibration-damping material is filled between the sounding unit (3) and the protective cover (2).

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