CN210469635U - Sound box and assembly structure thereof - Google Patents

Abstract

The utility model provides an audio amplifier and assembly structure thereof, audio amplifier assembly structure is including the first plastic that is the cylindricality setting put up and locate the sound subassembly that shakes in the first plastic frame, the periphery of first plastic frame has the annular groove that is used for placing the connecting piece, first plastic frame include first half section of thick bamboo portion and with first half section of thick bamboo portion fixed connection's the half section of thick bamboo portion of second, first half section of thick bamboo portion has first cavity and second cavity on the axial direction, half section of thick bamboo portion of second has third cavity and fourth cavity on the axial direction, first cavity, the second cavity, all be equipped with the sound subassembly that shakes in third cavity and the fourth cavity, the sound subassembly that shakes includes sound dish and second plastic frame, the second plastic frame, sound dish and first plastic frame are from inside to outside fixed connection in proper order. The utility model provides a audio amplifier and assembly structure thereof, the periphery of first plastic frame has the annular groove that is used for placing the connecting piece, when needs with audio amplifier and other structural connection, directly change the connecting piece can.

Description

Sound box and assembly structure thereof

Technical Field

The utility model belongs to the technical field of the audio amplifier, more specifically say, relate to an audio amplifier and assembly structure thereof.

Background

Along with the improvement of the life quality of people, the requirements of people on the playing tone quality of terminals such as players, mobile phones and flat panels are higher and higher, so that the sound box is widely used. Similar products combining a sound box, a flat panel and other terminals are increasing. The surface of the cylindrical sound box is cylindrical, and is difficult to be connected with other structures, different cylindrical sound boxes are required to be designed according to different connected structures, so that sound boxes of various models cannot be used universally, and the design cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound box assembly structure to need the different connection structure's of design technical problem when solving the sound box that exists among the prior art and the terminal fixed connection of difference.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a sound box assembly structure, including the first plastic that is the cylindricality setting put up and locate the sound subassembly that shakes in the first plastic frame, the periphery of first plastic frame has the annular groove that is used for placing the connecting piece, first plastic frame include first half section of thick bamboo portion and with first half section of thick bamboo portion fixed connection's the half section of thick bamboo portion of second, first half section of thick bamboo portion has first cavity and second cavity on the axial direction, the half section of thick bamboo portion of second has third cavity and fourth cavity on the axial direction, first cavity the second cavity the third cavity with all be equipped with in the fourth cavity the sound subassembly that shakes, the sound subassembly that shakes includes sound dish and second plastic frame, the second plastic frame the sound dish that shakes reaches first plastic frame is from inside to outside fixed connection in proper order.

Further, the vibration sound disc is arc-surface-shaped, and the second plastic frame is an arc-shaped frame.

Further, the sound subassembly that shakes still includes first fastener, the inner wall of first plastic frame has first connecting hole, the sound dish that shakes has the sound flange that shakes in the ascending both sides of radial direction to extend respectively, the second connecting hole has been seted up on the sound flange that shakes, the third connecting hole has been seted up on the arc frame, first fastener passes in proper order the third connecting hole second connecting hole and fastening connection in the third connecting hole.

Further, the arc frame is along the edge extension setting of vibro-acoustic disk, the vibro-acoustic disk is close to the edge of arc frame is equipped with the annular depressed part that makes vibro-acoustic disk vibration.

Further, the inner wall of the annular concave part is also convexly provided with a reinforcing rib.

Further, the sound box assembling structure further comprises a second fastener for fixing the first half cylinder part and the second half cylinder part, a fourth connecting hole is formed in the first half cylinder part, a fifth connecting hole is formed in the second half cylinder part, a sealing element is arranged at the joint of the first half cylinder part and the second half cylinder part, a sixth connecting hole is formed in the sealing element, and the second fastener penetrates through the fourth connecting hole, the fifth connecting hole and the sixth connecting hole.

Further, audio amplifier assembly structure is still including locating respectively two loudspeaker subassemblies of first plastic frame both sides, loudspeaker subassembly stretches into the inside of first plastic frame, just loudspeaker subassembly is fixed in through the third fastener first plastic frame.

The utility model also provides an audio amplifier, including foretell audio amplifier assembly structure, still including locating connecting piece in the annular groove and locating respectively the annular groove both sides and wrap up in two screen panels on the first plastic frame, the surface of screen panel with the surface of connecting piece is located same face of cylinder.

Further, the connecting piece including fixed connection in the first segmental arc of first plastic frame and with first segmental arc fixed connection's second segmental arc.

Further, the joint of the first arc-shaped section and the second arc-shaped section and the joint of the first half-cylinder part and the second half-cylinder part are arranged in a staggered mode.

The utility model provides a loudspeaker box and assembly structure's beneficial effect lies in: compared with the prior art, the utility model discloses audio amplifier assembly structure includes first plastic frame and vibro-acoustic subassembly, and the periphery of first plastic frame has the annular groove that is used for placing the connecting piece, when needs are with audio amplifier and other structural connection, directly change the connecting piece can. And, after the surface design annular groove of first plastic frame, its inside resonance subassembly changes with needs are corresponding, first plastic frame includes first half section of thick bamboo portion and the half section of thick bamboo portion of second, in order to dodge annular groove, first cavity and second cavity have on the first half section of thick bamboo portion, be equipped with third cavity and fourth cavity on the half section of thick bamboo portion of second, all be provided with the sound subassembly that shakes in each cavity, the sound subassembly that shakes includes sound disc and second plastic frame, first plastic frame is used for supporting the sound disc that shakes, makes the sound disc that shakes normally pronounce sound. By using the sound box assembly structure, different connecting pieces can be replaced and connected with other terminals through the connecting pieces, the internal structure of the sound box does not need to be changed, the sound box has stronger applicability and can be matched with different terminals for use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a three-dimensional structure diagram of a sound box assembly structure provided by an embodiment of the present invention;

fig. 2 is an explosion structure diagram of the sound box assembly structure provided by the embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is an exploded view of a vibro-acoustic assembly according to an embodiment of the present invention;

fig. 5 is a perspective view of the first half cylinder according to the present invention.

Wherein, in the figures, the respective reference numerals:

1-a first plastic frame; 10-an annular groove; 101-a first cavity; 102-a second cavity; 103-a third cavity; 104-a fourth cavity; 11-a first half-cylinder; 110-fourth connection hole; 12-a second half-cylinder; 120-fifth connection hole; 13-a first connection hole; 2-a vibro-acoustic component; 21-vibro-acoustic disc; 211-vibro-acoustic flange; 212-annular recess; 213-second connection hole; 214-reinforcing ribs; 22-a second plastic frame; 220-third connection hole; 3-a horn assembly; 4-a mesh enclosure; 5-a seal; 50-sixth connecting hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, fig. 2 and fig. 4, a sound box assembly structure according to an embodiment of the present invention will now be described. In one embodiment of the sound box assembly structure, the sound box assembly structure comprises a first plastic frame 1 and a vibration component 2, the first plastic frame 1 is columnar, the vibration component 2 is arranged in the first plastic frame 1, and an annular groove 10 is formed in the periphery of the first plastic frame 1, so that the middle of the first plastic frame 1 in the axial direction is concave, the annular groove 10 is used for placing a connecting piece, and the connecting piece is fixedly connected with the first plastic frame 1, a panel and other terminals. The first plastic frame 1 comprises a first half cylinder part 11 and a second half cylinder part 12, wherein the first half cylinder part 11 and the second half cylinder part 12 are both in a semi-cylindrical shape and are fixedly connected with each other. Due to the arrangement of the annular groove 10, the inner space of the first plastic frame 1 is divided into two spaces arranged at two sides of the annular groove 10, and the first half cylinder part 11 and the second half cylinder part 12 are arranged in a split manner, so that the two spaces are divided into four spaces, namely: a first cavity 101 and a second cavity 102 on the first half-cylinder 11, and a third cavity 103 and a fourth cavity 104 on the second half-cylinder 12. The first cavity 101, the second cavity 102, the third cavity 103 and the fourth cavity 104 are all provided with the vibration sound components 2, and the space in the first plastic frame 1 is utilized as much as possible, so that the vibration sound components 2 are reasonably distributed in the first plastic frame 1. The sound subassembly 2 that shakes includes sound disc 21 and second plastic frame 22, sound disc 21 and first plastic frame 1 are from inside to outside fixed connection in proper order, sound disc 21 that shakes is pressed from both sides and is located between first plastic frame 1 and the second plastic frame 22, first plastic frame 1 and second plastic frame 22 have fixed and supporting role to sound disc 21 that shakes, still make sound disc 21 that shakes more press close to with first plastic frame 1 setting, thereby make sound disc 21 that shakes have bigger inside resonance space.

The sound box assembly structure in the above embodiment includes first plastic frame 1 and vibration sound subassembly 2, and the periphery of first plastic frame 1 has annular groove 10 for placing the connecting piece, and when needs are connected the sound box with other structures, it can directly to change the connecting piece. Moreover, after the annular groove 10 is designed on the surface of the first plastic frame 1, the internal resonance component also needs to be changed correspondingly, the first plastic frame 1 comprises a first half-cylinder part 11 and a second half-cylinder part 12, in order to avoid the annular groove 10, the first half-cylinder part 11 is provided with a first cavity 101 and a second cavity 102, the second half-cylinder part 12 is provided with a third cavity 103 and a fourth cavity 104, each cavity is internally provided with a vibration sound component 2, each vibration sound component 2 comprises a vibration sound disc 21 and a second plastic frame 22, and the first plastic frame 1 is used for supporting the vibration sound disc 21 so that the vibration sound disc 21 can make normal sound. By using the sound box assembly structure, different connecting pieces can be replaced and connected with other terminals through the connecting pieces, the internal structure of the sound box does not need to be changed, the sound box has stronger applicability and can be matched with different terminals for use.

In one embodiment, the surface of the annular groove 10 has a first electrical contact portion, and the mating connector is correspondingly provided with a second electrical contact portion electrically contacting with the first electrical contact portion, so that the speaker mounting structure and other terminals can be electrically connected, and thus can be controlled by the same power supply.

In another embodiment, the speaker mounting structure may not be provided with an electrical contact portion, and may be only structurally connected to another terminal, or may be detached from the speaker mounting structure and used independently.

Referring to fig. 4, in one embodiment of the vibration disc 21, the vibration disc 21 is arc-shaped, so that the vibration disc 21 is attached to the inner arc-shaped surface of the first plastic frame 1 to match the shape of the first plastic frame 1. The second plastic frame 22 is an arc-shaped frame, and the arc-shaped frame is arranged along the edge of the vibration sound disc 21, so that the vibration part of the vibration sound disc 21 is hollowed out and can vibrate freely.

Referring to fig. 4 and 5, in one embodiment of the sound box assembly structure, the damper assembly 2 further includes a first fastening member for fixing the first plastic frame 1, the damper disc 21 and the second plastic frame 22. The two sides of the disc 21 in the radial direction are respectively extended to form a sound flange 211, and the second plastic frame 22 can be arranged to abut against the sound flange 211, so that the middle of the disc 21 has a sufficient vibration area. The inner wall of first plastic frame 1 has first connecting hole 13, has seted up second connecting hole 213 on the sound flange 211, has seted up third connecting hole 220 on the second plastic frame 22, and first fastener passes third connecting hole 220, second connecting hole 213 and first connecting hole 13 setting in proper order. In this way, before the first half cylinder 11 and the second half cylinder 12 are assembled, the tuning disc 21 and the second plastic frame 22 are put into the first half cylinder 11 and the second half cylinder 12, and the first fastening member is attached from the inside of the first half cylinder 11 and the second half cylinder 12, so that the tuning disc 21 and the second plastic frame 22 are locked to the first half cylinder 11 and the second half cylinder 12, and the mounting of the tuning assembly 2 in the first plastic frame 1 is facilitated.

Referring to fig. 4, in one embodiment of the damper assembly 2, the arc frame extends along the edge of the damper disc 21, and the damper disc 21 has an annular recess 212 near the edge of the arc frame for vibrating the damper disc 21. Specifically, the annular recess 212 separates the center portion and the edge of the disc 21, and the edge of the disc 21 is sandwiched between the first plastic frame 1 and the second plastic frame 22. Due to the provision of the annular recess 212, the annular recess of the disc 21 is made elastic, and the center of the disc 21 can vibrate against the edge thereof.

Furthermore, the inner wall of the annular recess 212 is further provided with a rib 214 in a protruding manner, and the rib 214 is used for increasing the strength of the annular recess 212 and preventing the middle part of the disc 21 from vibrating for a long time to damage the annular recess 212. The number and distribution of the ribs 214 is not limited herein. Alternatively, the reinforcing ribs 214 may be formed to extend from the center to the edge of the sound-damping plate 21 to reinforce the strength of the reinforcing ribs 214 in the extending direction.

Referring to fig. 2 and 3, in one embodiment of the sound box assembling structure, the sound box assembling structure further includes a second fastening member for fixing the first half cylinder 11 and the second half cylinder 12, a sealing member 5 is further disposed at a joint of the first half cylinder 11 and the second half cylinder 12, and a shape of the sealing member 5 is the same as a shape of a contact surface of the first half cylinder 11 and the second half cylinder 12, so that the joint is sealed, an air gap is reduced, and a resonance performance inside the first plastic frame 1 is enhanced. The first half cylinder part 11 is provided with a fourth connecting hole 110, the second half cylinder part 12 is provided with a fifth connecting hole 120, the sealing element 5 is provided with a sixth connecting hole 50, and the second fastening piece is arranged through the fourth connecting hole 110, the fifth connecting hole 120 and the sixth connecting hole 50. The sealing member 5 is provided with a fifth connecting hole 120, so that the second fastening member can penetrate through the sealing member 5 to effectively extrude the sealing member 5 when being locked, and the sealing degree of the joint of the first half-cylinder part 11 and the second half-cylinder part 12 is increased.

Referring to fig. 2, in one embodiment of the sound box assembly structure, the sound box assembly structure further includes two speaker assemblies 3 respectively disposed at two sides of the first plastic frame 1, the speaker assemblies 3 extend into the first plastic frame 1, and the speaker assemblies 3 are fixed to the first plastic frame 1 through third fasteners. The vibration of the disc 21 compresses or stretches the air to drive the eardrum of the speaker assembly 3 to vibrate, thereby transmitting sound waves and producing sound. Loudspeaker subassembly 3 is fixed in first plastic frame 1 through the third fastener, and simple to operate is direct stretch into the installation can from the opening at first plastic frame 1 both ends.

The embodiment of the utility model provides a still provide an audio amplifier, audio amplifier include the audio amplifier assembly structure in above-mentioned arbitrary embodiment, still include screen panel 4 and connecting piece. The connecting piece is arranged in the annular groove 10 of the first plastic frame 1 and is used for being connected with other terminals. The connecting piece is annular or arc-shaped, the inner wall of the connecting piece is matched with the surface of the annular groove 10 and is arc-shaped, the outline of the connecting piece is not limited at the position and can be selected according to the specific structure of the terminal to be connected. The quantity of screen panel 4 is two, and the both sides of annular groove 10 are located respectively to two screen panels 4, and wrap up in the surface of first plastic frame 1 for protect first plastic frame 1 and vibration sound subassembly 2. The net cover 4 can be made of high-strength materials such as iron nets.

The utility model provides an audio amplifier has adopted foretell audio amplifier assembly structure, and the periphery of first plastic frame 1 has the annular groove 10 that is used for placing the connecting piece, when needs are with audio amplifier and other structural connection, directly change the connecting piece can, need not reset the inside structure of audio amplifier, make this audio amplifier assembly structure's suitability stronger.

In one embodiment of the sound box, the connecting member comprises a first arc-shaped section and a second arc-shaped section, the inner wall of the connecting member is arc-shaped, the central angle corresponding to the arc-shaped section is larger than 180 degrees so as to fill the annular groove 10, and the connecting member is divided into two sections to facilitate the manufacturing and installation of the connecting member. First segmental arc fixed connection is in first plastic frame 1, and second segmental arc fixed connection is in first segmental arc, like this, is fixed in first plastic frame 1 with whole connecting piece, convenient assembly. The surface of screen panel 4 and the surface of connecting piece are located same face of cylinder, make the surperficial level and smooth setting of audio amplifier, prevent the fish tail user.

In one embodiment of the sound box, the joint of the first arc-shaped section and the second arc-shaped section is offset from the joint of the first half-cylinder 11 and the second half-cylinder 12. If the junction of first segmental arc and second segmental arc and the junction of first half section of thick bamboo portion 11 and the half section of thick bamboo portion 12 of second just set up, when the machining precision is lower, the junction of first segmental arc and second segmental arc, the junction of first half section of thick bamboo portion 11 and the half section of thick bamboo portion 12 of second all have great gap, and too big gap influences the outward appearance, and dust etc. easily enter the inside of audio amplifier. Therefore, the junction of the first arc-shaped section and the second arc-shaped section and the junction of the first half-cylinder part 11 and the second half-cylinder part 12 are arranged in a staggered manner, so that dust can be prevented from entering the interior of the sound box.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Audio amplifier assembly structure, its characterized in that: including the first plastic that is the cylindricality setting put up and locate the sound subassembly that shakes in the first plastic frame, the periphery of first plastic frame has the annular groove that is used for placing the connecting piece, first plastic frame include first half section of thick bamboo portion and with first half section of thick bamboo portion fixed connection's the half section of thick bamboo portion of second, first half section of thick bamboo portion has first cavity and second cavity on the axial direction, the half section of thick bamboo portion of second has third cavity and fourth cavity on the axial direction, first cavity the second cavity the third cavity with all be equipped with in the fourth cavity the sound subassembly that shakes, the sound subassembly that shakes includes sound dish and second plastic frame that shakes, the second plastic frame the sound dish that shakes reaches first plastic frame is from inside to outside fixed connection in proper order.

2. The loudspeaker mounting structure of claim 1, wherein: the vibration sound disc is arc-surface shaped, and the second plastic frame is an arc-shaped frame.

3. The loudspeaker mounting structure of claim 2, wherein: the utility model discloses a vibration sound assembly, including first plastic frame, first fastener, second fastener, third connecting hole, first fastener passes in proper order the third connecting hole second connecting hole and fastening connection in the third connecting hole, the inner wall of first plastic frame has first connecting hole, the sound dish of shaking extends respectively in radial direction's both sides has the sound flange of shaking, the second connecting hole has been seted up on the sound flange of shaking, the third connecting hole has been seted up on the arc frame, first fastener passes in proper order the third connecting hole second connecting hole and fastening connection in.

4. The loudspeaker mounting structure of claim 2, wherein: the arc frame is followed the edge extension setting of vibro-audio disk, the vibro-audio disk is close to the edge of arc frame is equipped with the messenger the annular depressed part of vibro-audio disk vibration.

5. The loudspeaker mounting structure of claim 4, wherein: the inner wall of the annular concave part is also convexly provided with a reinforcing rib.

6. The loudspeaker mounting structure of claim 1, wherein: the loudspeaker box assembling structure further comprises a second fastener for fixing the first half cylinder part and the second half cylinder part, a fourth connecting hole is formed in the first half cylinder part, a fifth connecting hole is formed in the second half cylinder part, a sealing element is arranged at the joint of the first half cylinder part and the second half cylinder part, a sixth connecting hole is formed in the sealing element, and the second fastener penetrates through the fourth connecting hole, the fifth connecting hole and the sixth connecting hole.

7. The loudspeaker mounting structure of claim 1, wherein: the loudspeaker box assembly structure further comprises two loudspeaker assemblies respectively arranged on two sides of the first plastic frame, wherein the loudspeaker assemblies extend into the first plastic frame, and are fixed on the first plastic frame through third fasteners.

8. The audio amplifier, its characterized in that: the loudspeaker box assembling structure of any one of claims 1-7, further comprising a connecting member disposed in the annular groove and two mesh enclosures disposed on two sides of the annular groove and wrapped around the first plastic frame, wherein the outer surfaces of the mesh enclosures and the outer surface of the connecting member are located on the same cylindrical surface.

9. The acoustic enclosure of claim 8, wherein: the connecting piece including fixed connection in the first segmental arc of first plastic frame and with first segmental arc fixed connection's second segmental arc.

10. The acoustic enclosure of claim 9, wherein: the joint of the first arc-shaped section and the second arc-shaped section and the joint of the first half-cylinder part and the second half-cylinder part are arranged in a staggered mode.

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