CN114245278A - Acoustic device - Google Patents

Abstract

The invention discloses an acoustic device, which comprises a mounting seat, a piezoelectric device, a transmission piece and a sounding piece, wherein the piezoelectric device is arranged on the mounting seat; the piezoelectric device is arranged on the mounting seat; the transmission part is connected to the piezoelectric device in a transmission way, and the piezoelectric device vibrates to drive the transmission part to vibrate; the sound production piece is arranged on the mounting seat, and the transmission piece vibrates to knock the sound production piece so as to enable the sound production piece to produce sound. The technical scheme of the invention provides an acoustic device which is free of a loudspeaker and reduces the volume of the acoustic device.

Description

Acoustic device

Technical Field

The invention relates to the technical field of sounding devices, in particular to an acoustic device.

Background

Present acoustic device is usually with the vibration of loudspeaker drum paper as sound source, and the sound chamber of rethread loudspeaker is with sound amplification to realize the function of sound production, so, acoustic device just need provide the space of installation loudspeaker, and loudspeaker have the sound chamber, and then make loudspeaker's volume great, and then lead to acoustic device's volume great.

Disclosure of Invention

The main object of the present invention is to propose an acoustic device which is speaker-free and which reduces the bulk of the acoustic device.

In order to achieve the above object, the present invention provides an acoustic device, including:

a mounting seat;

the piezoelectric device is arranged on the mounting seat;

the transmission part is in transmission connection with the piezoelectric device, and the piezoelectric device vibrates to drive the transmission part to vibrate; and

the sound production piece, sound production piece locate the mount pad, and the driving medium vibration is in order to strike sound production piece to make sound production piece sound production.

In one embodiment of the present invention, the transmission member includes a plurality of cylinders; the plurality of cylinders are arranged at intervals along the circumferential direction of the sounding part so as to knock a plurality of positions of the sounding part.

In one embodiment of the present invention, the mount includes:

a supporting seat; and

the lamp holder is arranged on the supporting seat and provided with a first side facing the supporting seat and a second side back to the supporting seat, and the first side is provided with an avoidance channel penetrating through the second side; the piezoelectric device is arranged on the first side, and the sounding part is arranged on the second side; the transmission part penetrates through the avoiding channel to knock the sounding part to enable the sounding part to sound.

In an embodiment of the invention, an installation space is formed between the first side and the support base, and the piezoelectric device is arranged in the installation space.

In an embodiment of the present invention, the sounding element is a lamp tube, and the lamp tube has a knocking end surface facing the second side; one end of the transmission piece, which is back to the piezoelectric device, is arranged towards the knocking end face so as to knock the knocking end face during vibration.

In one embodiment of the present invention, a lamp socket includes:

the lower lamp holder is arranged on the supporting seat and is provided with a first side facing the supporting seat and a second side back to the supporting seat; and

the lamp tube is arranged on the second side and sleeved on the upper lamp holder.

In an embodiment of the present invention, the upper lamp holder includes:

the lamp tube is arranged on the second side of the base body, and the lamp tube is arranged on the second side of the base body;

a compression member disposed between the mounting side and the second side; and

the supporting sheet is arranged between the compression piece and the lower lamp holder and is provided with a first surface and a second surface which are arranged oppositely; one end of the compression piece facing the lower lamp holder abuts against the second surface; the inner wall of the lamp tube is convexly provided with a limiting boss, the limiting boss is arranged close to the knocking end face, the supporting sheet and the lower lamp holder are arranged at intervals to form a limiting space, the limiting boss is inserted into the limiting space, and the first surface abuts against the limiting boss.

In an embodiment of the invention, the first surface is provided with a position-limiting hole penetrating through the second surface, the second side is convexly provided with a position-limiting post, and the position-limiting post is inserted into the position-limiting hole.

In an embodiment of the invention, the second side is provided with an avoiding hole penetrating through the first side, the upper lamp holder is provided with a connecting column extending towards the supporting seat, and the connecting column penetrates through the avoiding hole to be connected with the supporting seat;

and/or the second side is also provided with a first connecting hole which penetrates through the first side; the upper lamp holder is also provided with a fixing column extending towards the supporting seat, and the end part of the fixing column is provided with a second connecting hole; the lamp holder further comprises a connecting piece, and the connecting piece penetrates through the first connecting hole and is inserted in the second connecting hole.

In an embodiment of the invention, the end surface of the lamp tube far away from the second side is covered with a top cover.

According to the acoustic device, the piezoelectric device is arranged on the mounting seat and is in transmission connection with the transmission part, so that the transmission part can be driven to vibrate by the vibration of the piezoelectric device, and the sounding part can be knocked under the vibration of the transmission part to sound; so, just cancelled the use of loudspeaker, and then reduced the space of installation loudspeaker to, when making the sound production piece realize the sound production through setting up piezoelectric device and driving medium, need not to set up the sound chamber and can make the sound production piece realize the sound production, consequently, compare in loudspeaker, the shared space of piezoelectric device and driving medium is littleer, thereby has effectively reduced the volume of acoustic device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view from a perspective of an acoustic apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an exploded view of another perspective of an acoustic device in accordance with an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

FIG. 6 is a cross-sectional view of one embodiment of an acoustic device of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

fig. 8 is a partial enlarged view at E in fig. 6.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides an acoustic device 100, and aims to provide an acoustic device 100, wherein the acoustic device 100 has no loudspeaker, and the volume of the acoustic device 100 is reduced.

The following will explain the specific structure of the acoustic device 100 of the present invention:

referring to fig. 1, 3 and 6 in combination, in an embodiment of the acoustic device 100 of the present invention, the acoustic device 100 includes a mounting base 10, a piezoelectric device 20, a transmission member 30 and a sound generating member 40; the piezoelectric device 20 is arranged on the mounting seat 10; the transmission member 30 is connected to the piezoelectric device 20 in a transmission manner, and the piezoelectric device 20 vibrates to drive the transmission member 30 to vibrate; the sounding element 40 is disposed on the mounting base 10, and the transmission element 30 vibrates to strike the sounding element 40, so that the sounding element 40 generates sound.

It can be understood that, in the acoustic device 100 of the present invention, the piezoelectric device 20 is disposed on the mounting base 10, and the transmission member 30 is connected to the piezoelectric device 20 in a transmission manner, so that the transmission member 30 can be driven to vibrate by the vibration of the piezoelectric device 20, and the sounding member 40 can be sounded by knocking the sounding member 40 under the vibration of the transmission member 30; so, just cancelled the use of loudspeaker, and then reduced the space of installation loudspeaker to, when making sound production piece 40 realize the sound production through setting up piezoelectric device 20 and driving medium 30, need not to set up the sound chamber and can make sound production piece 40 realize the sound production, consequently, compare in loudspeaker, the shared space of piezoelectric device 20 and driving medium 30 is littleer, thereby has effectively reduced acoustic device 100's volume.

In the present embodiment, the piezoelectric device 20 is a device made using the piezoelectric effect of a material (see quartz crystal). The structure of the piezoelectric device 20 is composed of electrodes, a piezoelectric sheet, a holder, and a case. The piezoelectric sheet can be in the shape of a wafer, a strip, a rod, a cylinder and the like. When the frequency of the electrical signal is close to the natural frequency of the piezoelectric patch, the piezoelectric device 20 generates mechanical resonance by inverse piezoelectric effect, and the resonance frequency is mainly determined by the size and shape of the piezoelectric patch, so that the transmission member 30 is driven to vibrate under the mechanical resonance of the piezoelectric device 20, and then the sounding member 40 is knocked under the vibration of the transmission member 30, so that the sounding member 40 emits sound with corresponding frequency.

In practical applications, the sounding element 40 may be a plate-shaped, barrel-shaped, tubular, block-shaped structure, and the like, and the material thereof may be metal, acrylic, and the like, as long as the sounding element can generate sound under the knocking of the transmission element 30.

Moreover, the material of the transmission member 30 may also be metal, acrylic, etc. to ensure that the transmission member 30 can make the sound generating member 40 generate sound smoothly when the sound generating member 40 is knocked.

Further, referring to fig. 1, 3 and 6 in combination, in an embodiment of the acoustic device 100 of the present invention, the transmission member 30 comprises a plurality of cylinders; a plurality of columns are provided at intervals in the circumferential direction of the sounding member 40 to strike a plurality of positions of the sounding member 40.

So set up, piezoelectric device 20 works to drive a plurality of cylinder vibrations, and then strike a plurality of positions of sounding part 40 respectively through a plurality of cylinders, with the audio that promotes sounding part 40 and send, can realize the effect of three-dimensional sound production even.

Moreover, the piezoelectric device 20 can drive the plurality of columns to vibrate simultaneously, so as to improve the sound emitted by the sound-emitting component 40; of course, the piezoelectric devices 20 may also drive the cylinders to vibrate, so that the sounding element 40 can generate sounds with different frequencies, thereby realizing the stereo surround effect.

It should be noted that, when the sounding part 40 is the regular shape with the center, the plurality of cylinders can be symmetrically arranged along the center of the sounding part 40, so that when the plurality of cylinders knock the sounding part 40, the sound emitted by the sounding part 40 can be ensured to be more uniform, so as to improve the sound quality.

Specifically, the pillar may be a copper pillar, a silver pillar, or other pillar structure.

Further, referring to fig. 1 to 3 and 5 in combination, in an embodiment of the acoustic device 100 of the present invention, the mounting base 10 includes a supporting base 11 and a lamp holder 12; the lamp holder 12 is disposed on the supporting base 11, and has a first side 121a facing the supporting base 11 and a second side 121b facing away from the supporting base 11, the first side 121a is opened with an escape passage 1211 penetrating through the second side 121 b; the piezoelectric device 20 is arranged on the first side 121a, and the sounding element 40 is arranged on the second side 121 b; the transmission member 30 is disposed through the avoidance passage 1211 to strike the sounding member 40 to sound the sounding member 40.

With such an arrangement, during the assembly process, the piezoelectric device 20 may be firstly mounted on the first side 121a of the lamp holder 12, then the sounding element 40 is mounted on the second side 121b of the lamp holder 12, the transmission element 30 is inserted into the avoiding channel 1211, so that the transmission element 30 can smoothly strike the sounding element 40, and finally the supporting seat 11 is mounted on the second side 121b of the lamp holder 12, thereby completing the rapid assembly of the acoustic device 100; similarly, during the disassembly process, the supporting base 11 can be first removed from the second side 121b of the lamp holder 12, and the piezoelectric device 20, the transmission member 30 and the sounding member 40 can be removed from the lamp holder 12, so as to complete the quick disassembly of the acoustic device 100. Moreover, by disposing the piezoelectric device 20 and the sounding element 40 on the first side 121a and the second side 121b of the lamp socket 12, respectively, the compactness of the overall structure can be effectively increased to reduce the occupied volume of the overall structure.

In addition, the transmission member 30 is inserted into the avoiding channel 1211, so that the transmission member 30 can pass through the avoiding channel 1211 to smoothly strike the sounding member 40, and the transmission member 30 can be limited in the radial direction through the avoiding channel 1211 to ensure the installation stability of the transmission member 30, thereby preventing the transmission frame from being deviated or even separated in the vibration process to influence the service life.

Specifically, an end of the transmission member 30 remote from the sounding member 40 may be directly bonded to the piezoelectric device 20 to vibrate under the vibration of the piezoelectric device 20.

In addition, when the transmission member 30 includes a plurality of columns arranged at intervals, the avoidance passage 1211 is correspondingly arranged in a plurality, such that one end of each column penetrates through one avoidance passage 1211. In addition, referring to fig. 7, the outer surface of the cylinder is convexly provided with a stopper 31, the stopper 31 is disposed close to the piezoelectric device 20, at this time, the cylinder is substantially in an inverted "T" shape, so that when one end of the cylinder is inserted into the avoiding channel 1211, the stopper 31 and the mounting seat 10 can be used for limiting, so as to further ensure the mounting stability of the cylinder.

Further, referring to fig. 6, in an embodiment of the acoustic device 100 of the present invention, an installation space is formed between the first side 121a and the supporting base 11, and the piezoelectric device 20 is disposed in the installation space. With this arrangement, on one hand, by installing the piezoelectric device 20 in the installation space formed between the first side 121a of the lamp holder 12 and the support base 11, the piezoelectric device 20 can be simultaneously limited by the lamp holder 12 and the support base 11, so as to sufficiently ensure the installation stability of the piezoelectric device 20; on the other hand, the space between the lamp holder 12 and the support base 11 can be fully utilized to increase the compactness of the structure, thereby further reducing the volume of the acoustic device 100.

Referring to fig. 6 and 7, in an embodiment of the acoustic device 100 of the present invention, the sounding element 40 is a lamp tube having a striking end surface facing the second side 121 b; the end of the transmission member 30 facing away from the piezoelectric device 20 is disposed toward the striking end surface to strike the striking end surface when vibrating.

With such arrangement, when the sounding element 40 is a lamp tube, the sounding element 40 can not only play a role of sounding, but also play a role of lighting; in addition, one end of the lamp tube is sleeved on the mounting seat 10, so that the mounting stability between the lamp tube and the mounting seat 10 can be ensured, and at the moment, when the piezoelectric device 20 works and drives the transmission member 30 to vibrate, the knocking end face of the lamp tube can be knocked under the vibration of the transmission member 30, so that the lamp tube can make a sound smoothly.

In addition, the inner space of the lamp tube can be used as a sound cavity to amplify the sound of the transmission member 30 striking the sounding member 40, thereby further improving the sound effect of the acoustic device 100.

Specifically, the lamp tube can be connected to the mounting base 10 by using screws 112, pressing, bonding, and the like.

Further, referring to fig. 1, 3 and 6 in combination, in an embodiment of the acoustic device 100 of the present invention, the lamp holder 12 comprises a lower lamp holder 121 and an upper lamp holder 122; the lower lamp holder 121 is arranged on the support base 11 and has a first side 121a facing the support base 11 and a second side 121b facing away from the support base 11; the upper lamp holder 122 is disposed on the second side 121b, and the lamp tube is disposed on the second side 121b and sleeved on the upper lamp holder 122.

With this arrangement, during the assembly process, the piezoelectric device 20 may be first mounted on the first side 121a of the lower lamp holder 121, then the upper lamp holder 122 is mounted on the second side 121b of the lower lamp holder 121, then the lamp tube is mounted on the second side 121b of the lower lamp holder 121 and sleeved on the upper lamp holder 122, and the upper lamp holder 122 is connected to the lamp tube to ensure the mounting stability between the upper lamp holder 122 and the lamp tube, and finally the support base 11 is mounted on the first side 121a of the lower lamp holder 121, so as to complete the rapid assembly of the acoustic device 100; similarly, in the detaching process, the supporting base 11 can be detached from the first side 121a of the lower socket 121, the piezoelectric device 20 and the lamp can be detached from the lower socket 121 and the upper socket 122, respectively, and finally the upper socket 122 and the lower socket 121 can be detached, so as to complete the rapid detaching of the acoustic device 100.

Specifically, the lower lamp holder 121 may be connected to the upper lamp holder 122 by using screws 112, snap, adhesive, etc.

Further, referring to fig. 1, fig. 3 and fig. 6 in combination, in an embodiment of the acoustic device 100 of the present invention, the upper lamp holder 122 includes a holder body 1221, a compression member 1222 and a support sheet 1223; the base 1221 has a mounting side 1220 facing the second side 121b, and one end of the lamp tube facing the lower lamp holder 121 is surrounded around the base 1221; the compression member 1222 is disposed between the mounting side 1220 and the second side 121 b; the supporting piece 1223 is disposed between the compressing piece 1222 and the lower lamp holder 121, and has a first surface and a second surface disposed opposite to each other; the end of the compression member 1222 facing the lower lamp holder 121 abuts against the second surface; the inner wall of fluorescent tube is protruding to be equipped with spacing boss 41, and spacing boss 41 is close to and strikes the terminal surface setting, and backing sheet 1223 sets up with interval between the lamp stand 121 down to form spacing space, spacing boss 41 is inserted and is located spacing space, and the first surface is supported and is pushed against in spacing boss 41.

In this way, during the assembly process, the piezoelectric device 20 is first installed on the first side 121a of the lower lamp holder 121, the lamp tube is installed on the second side 121b of the lower lamp holder 121 and surrounds the base 1221, the compression member 1222 is installed between the installation side 1220 of the base 1221 and the second side 121b of the lower lamp holder 121, in addition, a support piece 1223 is installed between the compression member 1222 and the lower lamp holder 121, such that one end of the compression member 1222 facing the lower lamp holder 121 abuts against the second surface of the support piece 1223, and a limit boss 41 is convexly installed on the inner wall of the lamp tube, the limit boss 41 is inserted in the limit space between the support piece 1223 and the lower lamp holder 121, such that the first surface of the support piece 1223 abuts against the limit boss 41, during the process, since both ends of the compression member 1222 are respectively connected to the second surface of the support piece 1223 and the installation side 1220 of the base 1221, the compression member 1222 applies elasticity to the support piece 1223, so that the first surface of the supporting piece 1223 is tightly abutted to the limiting boss 41 of the lamp tube, and the tightness of the connection between the base 1221 and the lamp tube can be ensured.

Of course, in other embodiments, a limiting groove may be formed in the inner wall of the lamp tube, and the outer periphery of the supporting piece 1223 is inserted into the limiting groove, so that the first surface of the supporting piece 1223 is abutted against the groove wall of the limiting groove.

In addition, referring to fig. 2 and 5 in combination, the supporting sheet 1223 specifically includes a supporting body and a plurality of abutting sheets, the abutting sheets are arranged at intervals along the circumferential direction of the supporting body, the abutting sheets are arranged on the outer circumferential edge of the supporting body and extend outward along the radial direction of the supporting body, the inner wall of the lamp tube is convexly provided with a plurality of limiting bosses 41, the limiting bosses 41 are arranged at intervals along the circumferential direction of the lamp tube, an avoiding space is formed between two adjacent limiting bosses 41, and the width of the avoiding space is greater than or equal to the width of the abutting sheets; with such an arrangement, in the process of assembling the lamp tube and the upper lamp holder 122, one end of the lamp tube can be sleeved on the seat body 1221 of the upper lamp holder 122, in this process, each abutting piece of the supporting sheet 1223 corresponds to an avoiding space on the lamp tube one by one, so that the lamp tube is smoothly sleeved in the upper lamp holder 122, after the lamp tube is sleeved in the upper lamp holder 122, the upper lamp holder 122 is rotated by a certain angle, so that each abutting piece corresponds to one of the limiting bosses 41, and then the upper lamp holder 122 is released, so that each abutting piece can abut against the table top of one of the limiting bosses 41; therefore, the installation of the lamp and the upper lamp holder 122 can be more smoothly completed, and the installation stability between the lamp and the upper lamp holder 122 can be ensured.

Moreover, referring to fig. 2 and 5, the outer periphery of each abutting piece is covered with a buffering structure 1223b, so that the abutting piece can abut against the table surface of the limiting boss 41 through the buffering structure 1223b, so as to further improve the tight connection between the supporting piece 1223 and the lamp tube.

Further, referring to fig. 2 and 8 in combination, in an embodiment of the acoustic device 100 of the present invention, the first surface is formed with a limiting hole 1223a penetrating through the second surface, the second side 121b is convexly formed with a limiting post 1212, and the limiting post 1212 is inserted into the limiting hole 1223 a.

So set up, in the assembly process, alright insert the spacing post 1212 of lamp stand 121 down in the spacing hole 1223a of backing sheet 1223 to under spacing post 1212 and spacing hole 1223 a's cooperation, carry on spacing fixedly lamp stand 121 and backing sheet 1223 down, with the installation stability of guaranteeing down between lamp stand 121 and the backing sheet 1223, and then guarantee the installation stability of lamp stand 121 down and between the lamp stand 122.

In addition, in order to further ensure the installation stability between the lower lamp holder 121 and the supporting piece 1223 and further ensure the installation stability between the lower lamp holder 121 and the upper lamp holder 122, a plurality of spacing holes 1223a may be preferably formed in the first surface of the supporting piece 1223, and the lower lamp holder 121 may have a plurality of spacing posts 1212 arranged at intervals, so that each of the spacing posts 1212 is inserted into one of the spacing holes 1223 a.

Referring to fig. 6, in an embodiment of the acoustic device 100 of the present invention, the second side 121b is formed with an avoiding hole 1213 penetrating through the first side 121a, the upper lamp base 122 has a connection post 1221a extending toward the support base 11, and the connection post 1221a is inserted through the avoiding hole 1213 to connect with the support base 11. So set up, in the assembly process, through making the spliced pole 1221a of upper lamp holder 122 pass the hole 1213 of dodging of lamp stand 121 down to be connected with supporting seat 11, can fix the installation of supporting seat 11 on lamp stand 12.

Specifically, a first fixing hole 111 may be formed in the supporting seat 11, a second fixing hole 1221b may be formed in the end surface of the connecting column 1221a close to the supporting seat 11, and then a screw 112 is inserted into the first fixing hole 111 and the second fixing hole 1221b to fully fix the supporting seat 11 on the lamp holder 12; of course, in other embodiments, the support 11 may also be provided with a buckle, and the outer wall of the connection post 1221a is provided with a slot, after the connection post 1221a passes through the avoiding hole 1213 of the lower lamp holder 121, the buckle on the support 11 is clamped in the slot of the connection post 1221a, so as to sufficiently fix the support 11 on the lamp holder 12.

And, offer the hole 1213 of dodging that a plurality of intervals set up on the lamp stand 121 down, and go up lamp stand 122 and have the spliced pole 1221a that a plurality of intervals set up, each spliced pole 1221a wears to locate one and dodges hole 1213, in order to be connected with supporting seat 11, so set up, not only can further guarantee the installation stability between supporting seat 11 and the lamp stand 12, in addition, because a plurality of spliced poles 1221a all with supporting seat 11 butt, alright support supporting seat 11 through a plurality of spliced poles 1221a, in order to further play the effect of guaranteeing the installation stability between supporting seat 11 and the lamp stand 12.

Referring to fig. 6, in an embodiment of the acoustic device 100 of the present invention, the second side 121b further has a first connection hole 1214 penetrating the first side 121 a; the upper lamp holder 122 further has a fixing post 1221c extending toward the supporting seat 11, and a second connecting hole 1221d is formed at an end of the fixing post 1221 c; the lamp socket 12 further includes a connecting member 123, wherein the connecting member 123 is inserted through the first connecting hole 1214 and the second connecting hole 1221 d. With such an arrangement, in the assembling process, the connecting element 123 can be inserted through the first connecting hole 1214 of the lower lamp holder 121 and the second connecting hole 1221d of the upper lamp holder 122, so as to achieve the fixed connection between the lower lamp holder 121 and the upper lamp holder 122.

Specifically, the lower lamp holder 121 is further provided with a positioning slot 1215, and the first connection hole 1214 is provided at the bottom of the positioning slot 1215, so that the fixing post 1221c is inserted into the positioning slot 1215 near one end of the lower lamp holder 121, and the first connection hole 1214 and the second connection hole 1221d are just opposite to each other, so that the connection member 123 is inserted into the first connection hole 1214 and the second connection hole 1221d, and the connection between the lower lamp holder 121 and the upper lamp holder 122 is achieved.

Moreover, when the upper lamp holder 122 is composed of the holder body 1221, the compression piece 1222 and the support piece 1223, the mounting side 1220 of the holder body 1221 is provided with a mounting groove 1221e, one end of the fixing post 1221c is connected to the bottom of the mounting groove 1221e, and the other end of the fixing post 1221c extends toward the lower lamp holder 121, one end of the compression piece 1222 is connected to the bottom of the mounting groove 1221e and is sleeved on the fixing post 1221c, the second surface of the support piece 1223 is provided with a through hole 1223c penetrating to the first surface, and one end of the fixing post 1221c can pass through the through hole 1223c of the support piece 1223 to extend toward the lower lamp holder 121; so, on the one hand, accessible fixed column 1221c is spacing to compression 1222 to prevent compression 1222 at flexible in-process position shift, and on the other hand, still can carry out spacing to backing sheet 1223 through fixed column 1221c, in order to further guarantee the installation stability of backing sheet 1223.

Referring to fig. 1 and fig. 3, in an embodiment of the acoustic device 100 of the present invention, the lamp tube is an acrylic lamp tube; so set up, inferior gram force fluorescent tube has good light transmissivity, alright realize better illuminating effect, simultaneously, inferior gram force fluorescent tube can send corresponding sound better under the strike of driving medium 30.

Referring to fig. 1 and 3 in combination, in an embodiment of the acoustic device 100 of the present invention, the end surface of the lamp tube away from the second side 121b is covered with the top cover 50; with such an arrangement, the lamp tube and the top cover 50 can be enclosed to form a closed space, which can be used as a sound cavity to achieve the effect of amplifying sound.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An acoustic device, comprising:

a mounting seat;

the piezoelectric device is arranged on the mounting seat;

the transmission piece is in transmission connection with the piezoelectric device, and the piezoelectric device vibrates to drive the transmission piece to vibrate; and

the sound production piece, the sound production piece is located the mount pad, the driving medium vibrates in order to strike the sound production piece, so that the sound production piece sound production.

2. The acoustic device of claim 1, wherein the transmission comprises a plurality of cylinders; a plurality of the cylinder is followed the circumference interval setting of sound production piece to strike a plurality of positions of sound production piece.

3. The acoustic apparatus of claim 1, wherein the mount comprises:

a supporting seat; and

the lamp holder is arranged on the supporting seat and provided with a first side facing the supporting seat and a second side back to the supporting seat, and the first side is provided with an avoidance channel penetrating through the second side; the piezoelectric device is arranged on the first side, and the sounding part is arranged on the second side; the transmission part penetrates through the avoiding channel to knock the sounding part, so that the sounding part sounds.

4. The acoustic apparatus of claim 3, wherein a mounting space is formed between the first side and the support base, the piezoelectric device being disposed in the mounting space.

5. The acoustic device of claim 3, wherein the sound emitting member is a light pipe having a striking end face facing the second side; one end, back to the piezoelectric device, of the transmission piece is arranged towards the knocking end face so as to knock the knocking end face during vibration.

6. The acoustic device of claim 5, wherein the lamp holder comprises:

the lower lamp holder is arranged on the supporting seat and is provided with a first side facing the supporting seat and a second side back to the supporting seat; and

the lamp tube is arranged on the second side and sleeved on the upper lamp holder.

7. The acoustic apparatus of claim 6, wherein the upper lamp base comprises:

the lamp tube is arranged on the base body, the lamp tube is arranged on the second side of the base body, and the lamp tube is arranged on the second side of the base body;

a compression member disposed between the mounting side and the second side; and

the supporting sheet is arranged between the compression piece and the lower lamp holder and is provided with a first surface and a second surface which are arranged in a back-to-back mode; one end of the compression piece facing the lower lamp holder abuts against the second surface; the lamp tube is characterized in that a limiting boss is convexly arranged on the inner wall of the lamp tube, the limiting boss is arranged close to the knocking end face, the supporting sheet and the lower lamp holder are arranged at intervals to form a limiting space, the limiting boss is inserted into the limiting space, and the first surface abuts against the limiting boss.

8. The acoustic device according to claim 7, wherein the first surface is provided with a limiting hole penetrating through the second surface, the second side is provided with a limiting post in a protruding manner, and the limiting post is inserted into the limiting hole.

9. The acoustic device according to claim 6, wherein the second side defines an avoiding hole extending through the first side, the upper base has a connecting post extending toward the supporting base, and the connecting post is disposed through the avoiding hole to connect with the supporting base;

and/or the second side is also provided with a first connecting hole which penetrates through the first side; the upper lamp holder is also provided with a fixing column extending towards the supporting seat, and the end part of the fixing column is provided with a second connecting hole; the lamp holder further comprises a connecting piece, and the connecting piece penetrates through the first connecting hole and is inserted in the second connecting hole.

10. The acoustic device of claim 5, wherein the end cap of the light pipe distal from the second side is provided with a top cap.

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