Sound production monomer, sound production device and electronic equipment

Abstract

The invention discloses a sound production single body, a sound production device and electronic equipment, and relates to the technical field of electroacoustic transformation.The sound production single body comprises a basin stand and a centering support chip, a clamping groove is formed in the inner wall of the basin stand, and a notch of the clamping groove is arranged inwards; a first clamping edge is arranged on the peripheral edge of the centering support piece, a clamping end is formed by the first clamping edge, the clamping end extends into the clamping groove and is matched with the clamping groove in a clamping mode, a gap is formed between the clamping end and the groove wall of the clamping groove, an elastic buffering cushion is arranged between the clamping end and the groove wall of the clamping groove in a cushioned mode, and the gap is filled with the elastic buffering cushion. The clamping groove with the inward notch is formed in the basin frame and matched with the clamping end in a clamped mode, so that the folding ring and the basin frame can be fixed to the shell without glue, smell cannot be generated through volatilization without glue bonding, the use experience of a user is improved, the health of the user cannot be affected, and more environment friendliness is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of electroacoustic conversion, and in particular to a sound-generating monomer, a sound-generating device and an electronic device. Background Art

[0002] The main function of the centering support is to keep the voice coil in the center of the magnetic gap and prevent it from shifting when it moves forward and backward. The centering support uses an elastic structure to stably fix the voice coil in the center of the magnetic circuit system, allowing the voice coil to move freely and accurately along the axial direction in the magnetic gap. The inner edge of the centering support is connected to the voice coil, and the outer edge is connected to the basin frame.

[0003] In the prior art, the centering support plate and the voice coil are bonded together with high-strength glue. However, the glue will evaporate and produce odor, which can easily cause the sound-emitting device to fail in the reliability odor test. At the same time, the odor produced by the glue bonding not only affects the user experience, but also has an impact on the user's health and is not environmentally friendly. Summary of the invention

[0004] The main purpose of the present invention is to provide a sound unit, a sound device and an electronic device, aiming to solve the problems in the prior art of bonding the centering support plate and the voice coil with glue, which affects the user experience, affects the user's health and is not environmentally friendly.

[0005] To achieve the above object, the sound-emitting unit proposed in the present invention comprises:

[0006] A basin frame, wherein the inner wall of the basin frame is provided with a slot, and the slot is arranged inwardly;

[0007] A centering support plate, wherein the outer peripheral edge of the centering support plate has a first clamping edge, the first clamping edge forms a clamping end, the clamping end extends into the clamping slot and is clamped with the clamping slot, a gap is formed between the clamping end and the slot wall of the clamping slot, and an elastic buffer pad is provided between the clamping end and the slot wall of the clamping slot, and the elastic buffer pad fills the gap.

[0008] In one embodiment, the basin frame is bent inwardly at a position corresponding to the centering support piece to form a mounting platform, and a limit plate is provided on the inner wall of the basin frame near the mounting platform. The limit plate, the mounting platform and the basin frame form the slot.

[0009] In one embodiment, the sound-emitting unit further includes:

[0010] A shell, the inner wall of which is provided with another card slot;

[0011] A folding ring, the folding ring comprises a first connecting portion, a folding ring portion and a second connecting portion connected in sequence from the inside to the outside, the outer peripheral edge of the basin frame has a second clamping edge, the second connecting portion and the second clamping edge constitute another clamping end, and the two clamping ends are clamped and matched with the two clamping grooves in a one-to-one correspondence;

[0012] A gap is formed between each of the clamping ends and the corresponding slot wall of the clamping slot, and an elastic buffer pad is arranged between each of the clamping ends and the corresponding slot wall of the clamping slot, and the elastic buffer pad fills the corresponding gap.

[0013] In one embodiment, each of the gaps includes a first gap, a second gap, and a third gap that are connected in sequence, and each of the elastic buffer pads includes a first buffer segment, a second buffer segment, and a third buffer segment. The first buffer segment, the second buffer segment, and the third buffer segment are connected or abutted in sequence to form a U-shaped elastic buffer pad with an opening facing inward, and the first buffer segment, the second buffer segment, and the third buffer segment are filled in the first gap, the second gap, and the third gap respectively and one by one.

[0014] In one embodiment, the outer wall of the first buffer section and / or the outer wall of the second buffer section and / or the outer wall of the third buffer section is provided with a pressing piece, and the pressing piece is used to press against the corresponding slot wall of the card slot.

[0015] In one embodiment, an abutting groove is formed on the outer wall of the first buffer section to form the abutting member, and an abutting protrusion abutting against the abutting groove is formed on the groove wall of the clamping groove corresponding to the abutting groove;

[0016] And / or, the outer wall of the second buffer section is provided with a second protrusion to form the abutting member;

[0017] And / or, the outer wall of the third buffer section is provided with a third protrusion to form the abutting member.

[0018] In one embodiment, the first buffer section, the second buffer section and the third buffer section are flexible cushion blocks that are integrally formed.

[0019] In one embodiment, the first buffer segment and the second buffer segment are flexible pads that are integrally formed, and the third buffer segment is a pressing block, which is a hard pad and abuts against one end of the second buffer segment away from the first buffer segment, and flexible gaskets are provided on opposite sides of the pressing block.

[0020] In one embodiment, the clamping end composed of the second connecting portion and the second clamping edge is a second clamping end, a clamping block is formed on the outer peripheral edge of the second connecting portion, and the second clamping edge includes an abutting portion and a bending portion connected in sequence from the inside to the outside, and the bending portion is bent from the abutting portion toward the second connecting portion, and a placement groove is formed between the abutting portion, the bending portion and the elastic buffer pad, and the clamping block extends into the placement groove and is clamped and matched with the placement groove.

[0021] In one embodiment, the blocking block has a first abutment plane and a second abutment plane, the first abutment plane abuts against the inner wall of the elastic buffer pad, and the second abutment plane abuts against the abutment portion; the inner wall surface of the elastic buffer pad abutting against the first abutment plane and the inner wall surface of the abutment portion abutting against the second abutment plane are both planes, the outer wall surface of the connection between the abutment portion and the bending portion is an arc surface, the elastic buffer pad forms an arc-shaped wall at the position corresponding to the arc surface, the arc-shaped wall matches the shape of the arc surface and abuts against each other.

[0022] In one embodiment, the clamping end formed by the first clamping edge is a first clamping end, and the two opposite surfaces of the first clamping end pressed against the inner wall of the elastic buffer pad are both planes, and the two opposite inner wall surfaces of the elastic buffer pad corresponding to the first clamping end are both planes.

[0023] In one embodiment, the sound unit also includes a voice coil, the inner peripheral edge of the centering support plate is connected to the voice coil, the mounting platform and the limit plate both extend radially along the voice coil, and the limit plate is spaced apart from the mounting platform along the axial direction of the voice coil.

[0024] In one embodiment, the voice coil is provided with a plurality of snap-in holes at intervals along its circumference, and the inner peripheral edge of the centering support is provided with a plurality of snap-in parts at intervals along its circumference, and the number of the snap-in parts is consistent with the number of the snap-in holes and they are snap-fitted in a one-to-one correspondence.

[0025] In one embodiment, the sound unit further includes a magnetic circuit system, the inner peripheral edge of the basin frame is connected to the magnetic circuit system, the magnetic circuit system forms a magnetic gap, and the voice coil is suspended in the magnetic gap.

[0026] In one embodiment, the magnetic circuit system includes a U iron and a magnet, wherein the U iron is arranged outside the magnet and forms the magnetic gap with the magnet, and a magnetic conductive plate is arranged on one side of the magnet facing the cone.

[0027] In one embodiment, a limiting groove is provided on the inner peripheral edge of the basin frame, the notch of the limiting groove is arranged inwardly, a limiting block is provided on the outer wall of the U iron corresponding to the limiting groove, and the limiting groove is plugged into and matched with the limiting block.

[0028] The present invention further provides a sound-generating device, which includes a shell and the above-mentioned sound-generating unit installed in the shell.

[0029] The present invention further provides an electronic device, wherein the electronic device is provided with the above-mentioned sound-generating device.

[0030] The technical solution of the present invention is to provide a slot with an inwardly facing notch on the side of the basin frame facing the centering support piece, extend the card end formed by the outer peripheral edge of the centering support piece into the card slot and engage with the card slot, and then fill the gap formed by the card end and the card slot with an elastic buffer pad, so that the folding ring and the basin frame can be fixed to the shell without glue, and no volatilization and odor will be generated without glue bonding, thereby improving the user experience, not affecting the health of the user, and being more environmentally friendly. At the same time, the gap is filled with the elastic buffer pad, so that the card end of the centering support piece is tightly pressed against the elastic buffer pad, and the elastic buffer pad can absorb and buffer the energy transmitted to the basin frame by the centering support piece during vibration, prevent the vibration of the centering support piece from being directly transmitted to the basin frame, and reduce distortion caused by resonance. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0032] Figure 1 A schematic structural diagram of an embodiment of a sound-emitting unit provided by the present invention;

[0033] Figure 2 A schematic diagram of the assembly of the centering support piece and the basin frame of the sound unit provided by the present invention;

[0034] Figure 3 A schematic diagram of the disassembly of the centering support piece and the basin frame of the sound unit provided by the present invention;

[0035] Figure 4 A schematic diagram of the assembly of the folding ring, the basin frame and the outer shell of the sound unit provided by the present invention;

[0036] Figure 5 A schematic diagram of the disassembly of the folding ring, the basin frame and the outer shell of the sound unit provided by the present invention;

[0037] Figure 6 A schematic diagram of the assembly of the centering support and the voice coil of the sound unit provided by the present invention;

[0038] Figure 7This is a schematic diagram of the assembly of the folding ring, basin frame and shell of another embodiment of the sound unit provided by the present invention.

[0039] Description of Figure Numbers:

[0040] 100, sound unit; 1, basin frame; 11, installation platform; 12, limit plate; 13, second clamping edge; 131, abutment portion; 132, bending portion; 133, placement groove; 14, limit groove; 2, centering support; 21, first clamping edge; 22, clamping member; 3, clamping groove; 31, abutment protrusion; 4, clamping end; 41, gap; 42, first gap; 43, second gap; 44, third gap; 45, first clamping end; 46, second clamping end; 5, elastic buffer pad; 51, first buffer Punch section; 52, second buffer section; 53, third buffer section; 54, fastening member; 55, abutment groove; 56, second protrusion; 57, third protrusion; 58, pressure block; 59, flexible gasket; 6, outer shell; 7, folding ring; 71, first connecting part; 72, folding ring part; 73, second connecting part; 74, clamping block; 75, first abutment plane; 76, second abutment plane; 8, voice coil; 81, clamping hole; 9, magnetic circuit system; 91, U iron; 92, magnet; 93, magnetic conductive plate; 94, limiting protrusion.

[0041] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0044] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0045] In the prior art, the centering support plate and the voice coil are bonded together with high-strength glue. However, the glue will evaporate and produce odor, which can easily cause the sound-emitting device to fail in the reliability odor test. At the same time, the odor produced by the glue bonding not only affects the user experience, but also has an impact on the user's health and is not environmentally friendly.

[0046] In order to solve the above problems, the present invention provides a sound unit 100 .

[0047] Please combine Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A structural diagram of an embodiment of a sound-emitting unit provided by the present invention, Figure 2 A schematic diagram of the assembly of the centering support piece and the basin frame of the sound unit provided by the present invention, Figure 3 The present invention provides a disassembly schematic diagram of the centering support plate and the basin frame of the sound unit 100. In one embodiment of the present invention, the sound unit 100 includes a basin frame 1 and a centering support plate 2. The inner wall of the basin frame 1 is provided with a card slot 3, and the notch of the card slot 3 is arranged inwardly; the outer peripheral edge of the centering support plate 2 has a first card edge 21, and the first card edge 21 forms a card end 4, which extends into the card slot 3 and is card-engaged with the card slot 3, and a gap 41 is formed between the card end 4 and the groove wall of the card slot 3, and an elastic buffer pad 5 is padded between the card end 4 and the groove wall of the card slot 3, and the elastic buffer pad 5 fills the gap 41.

[0048] The technical solution of the present invention is to provide a slot 3 with an inwardly-notched opening on the side of the basin frame 1 facing the centering support piece 2, extend the clamping end 4 formed by the outer peripheral edge of the centering support piece 2 into the slot 3 and engage with the slot 3, and then fill the gap 41 formed by the clamping end 4 and the slot 3 with an elastic buffer pad 5, so that the folding ring 7 and the basin frame 1 can be fixed on the shell 6 without glue, and no volatilization and odor will be generated without glue bonding, thereby improving the user's use experience, and will not affect the user's health, and is more environmentally friendly. At the same time, the gap 41 is filled with the elastic buffer pad 5, so that the clamping end 4 of the centering support piece 2 is pressed against the elastic buffer pad 5, and the elastic buffer pad 5 can absorb and buffer the energy transmitted to the basin frame 1 by the centering support piece 2 during the vibration process, prevent the vibration of the centering support piece 2 from being directly transmitted to the basin frame 1, and reduce the distortion caused by resonance.

[0049] In one embodiment, the basin frame 1 is bent inwardly at a position corresponding to the centering support piece 2 to form a mounting platform 11 , and a limiting plate 12 is provided on the inner wall of the basin frame 1 near the mounting platform 11 . The limiting plate 12 , the mounting platform 11 and the basin frame 1 form a slot 3 .

[0050] The basin frame 1 is bent inward to form a mounting platform 11, and the mounting platform 11, the basin frame 1 and the limiting plate 12 form a card slot 3. It can be understood that the mounting platform 11 and the limiting plate 12 are mainly used to abut against the card connection end 4. The arrangement of the mounting platform 11 and the limiting plate 12 increases the contact area between the card connection end 4 of the centering support piece 2 and the card slot 3, thereby improving the card connection stability of the centering support piece 2 and the basin frame 1.

[0051] Please combine Figure 1 , Figure 4 and Figure 5 ,in, Figure 4 A schematic diagram of the assembly of the folding ring, the basin frame and the shell of the sound unit provided by the present invention, Figure 5 The present invention provides a disassembled schematic diagram of the folding ring, basin frame and outer shell of the sound unit. In one embodiment, the sound unit 100 also includes an outer shell 6 and a folding ring 7. The inner wall of the outer shell 6 is provided with another card slot 3; the folding ring 7 includes a first connecting portion 71, a folding ring portion 72 and a second connecting portion 73 which are sequentially connected from the inside to the outside. The outer peripheral edge of the basin frame 1 has a second card-connecting edge 13. The second connecting portion 73 and the second card-connecting edge 13 constitute another card-connecting end 4. The two card-connecting ends 4 are card-connected with the two card slots 3 in a one-to-one correspondence. A gap 41 is formed between each card-connecting end 4 and the groove wall of the corresponding card slot 3, and an elastic buffer pad 5 is padded between each card-connecting end 4 and the groove wall of the corresponding card slot 3. The elastic buffer pad 5 fills the corresponding gap 41.

[0052] The second connecting portion 73 of the outer peripheral edge of the folding ring 7 and the clamping edge of the outer peripheral edge of the basin frame 1 form a clamping end 4, and the clamping end 4 is clamped and matched with the clamping slot 3, so that the second connecting portion 73 and the clamping edge are limited and fixed at the same time through the clamping slot 3, so that the folding ring 7 and the basin frame 1 can be fixed to the outer shell 6 without glue. Without glue bonding, no volatile odor will be generated, thereby not affecting the user experience, not affecting the user's health, and being more environmentally friendly.

[0053] When the sound unit 100 is working, the cone and the folding ring 7 will generate certain vibrations. If these vibrations are directly transmitted to the housing 6, the housing 6 may resonate, generating unnecessary noise or distortion. Therefore, the gap 41 is filled with the elastic buffer pad 5, so that the clamping end 4 is tightly pressed against the elastic buffer pad 5. The elastic buffer pad 5 can absorb and alleviate the vibration and impact transmitted from the folding ring 7 to the housing 6, reduce the transmission of mechanical vibrations, and prevent the noise caused by the resonance or vibration of the housing 6, thereby improving the sound quality performance of the sound device.

[0054] Please combine Figures 2 to 5 In one embodiment, each gap 41 includes a first gap 42, a second gap 43 and a third gap 44 which are connected in sequence, and each elastic buffer pad 5 includes a first buffer segment 51, a second buffer segment 52 and a third buffer segment 53. The first buffer segment 51, the second buffer segment 52 and the third buffer segment 53 are connected or abutted in sequence to form a U-shaped elastic buffer pad 5 with an opening facing inward, and the first buffer segment 51, the second buffer segment 52 and the third buffer segment 53 are filled in the first gap 42, the second gap 43 and the third gap 44 respectively and one by one.

[0055] It should be noted that the gap 41 formed between the card slot 3 on the shell 6 and the card end 4 composed of the second connecting portion 73 and the second card edge 13, and the gap 41 formed between the card slot 3 on the basin frame 1 and the card end 4 of the centering support plate 2 both include a first gap 42, a second gap 43 and a third gap 44, and the elastic buffer pads 5 in the two gaps 41 both include a first buffer segment 51, a second buffer segment 52 and a third buffer segment 53.

[0056] Three gaps 41 connected in sequence form a U-shaped gap 41, and the three gaps 41 connected in sequence respectively correspond to the three side wall surfaces of the card-connecting end 4 for connecting with the card slot 3. In each gap 41 and the corresponding elastic buffer pad 5, the first buffer segment 51, the second buffer segment 52 and the third buffer segment 53 of each elastic buffer pad 5 are respectively filled in the first gap 42, the second gap 43 and the third gap 44 of the corresponding gap 41, so that each surface of the card-connecting end 4 can be absorbed and relieved of vibration by the elastic buffer pad 5, further reducing the transmission of mechanical vibration and preventing the noise caused by resonance or vibration of the outer shell 6 and the basin frame 1.

[0057] Furthermore, a pressing piece 54 is provided on the outer wall of the first buffer section 51 and / or the outer wall of the second buffer section 52 and / or the outer wall of the third buffer section 53 , and the pressing piece 54 is used to press against the slot wall of the corresponding slot 3 .

[0058] A fastening member 54 is provided on the outer wall of at least one of the first buffer section 51, the second buffer section 52 and the third buffer section 53. The elastic buffer pad 5 is squeezed and limited in the gap 41 by the clamping end 4 and the card slot 3, but it is not tightly fitted everywhere. Therefore, the fastening member 54 is used to improve the abutment tightness between the elastic buffer pad 5 and the card slot 3 to prevent the elastic buffer pad 5 from being offset or falling out of the gap 41, thereby ensuring the buffering effect of the elastic buffer pad 5.

[0059] In one embodiment, an outer wall of the first buffer section 51 is provided with an abutting groove 55 to form a clamping member 54, and a slot wall of the card slot 3 is formed with an abutting protrusion 31 that abuts against the abutting groove 55 corresponding to the abutting groove 55; and / or, a second protrusion 56 is provided on the outer wall of the second buffer section 52 to form a clamping member 54; and / or, a third protrusion 57 is provided on the outer wall of the third buffer section 53 to form a clamping member 54.

[0060] The first buffer section 51 is provided with an abutting groove 55, and the groove wall of the card slot 3 is provided with an abutting protrusion 31. On the one hand, the first buffer section 51 can be limited and fixed by the plug-in cooperation between the abutting groove 55 and the abutting protrusion 31, and on the other hand, it is convenient for positioning during the installation process to improve the assembly efficiency and assembly accuracy; the second buffer section 52 is provided with a second protrusion 56 to press the second buffer section 52 against the groove wall of the card slot 3, and the third buffer section 53 is provided with a third protrusion 57 to press the third buffer section 53 against the groove wall of the card slot 3, thereby improving the abutting tightness and preventing the elastic buffer pad 5 from being offset or falling off outside the gap 41, thereby ensuring the buffering effect of the elastic buffer pad 5.

[0061] It should be noted that not all the first buffer segment 51, the second buffer segment 52 and the third buffer segment 53 need to be provided with the clamping member 54. For the sake of convenience, the first buffer segment 51, the second buffer segment 52 and the third buffer segment 53 are all referred to as buffer segments. According to actual needs, the clamping member 54 can be provided in the buffer segment with insufficient abutment tightness. If the tightness of a buffer segment itself with the card slot 3 and the card connection end 4 has reached the requirement, there is no need to provide the clamping member 54, so as to improve production efficiency and reduce production costs.

[0062] In a specific embodiment, the first buffer section 51, the second buffer section 52 and the third buffer section 53 are integrally formed flexible pads. The first buffer section 51, the second buffer section 52 and the third buffer section 53 are integrally formed U-shaped flexible pads. When installing, first put the elastic buffer pad 5 into the card slot 3, and then extend the clamping end 4 into the opening formed by the elastic buffer pad 5, so that the three outer wall surfaces of the clamping end 4 are respectively pressed against the first buffer section 51, the second buffer section 52 and the third buffer section 53, thereby improving the convenience of installation and assembly efficiency.

[0063] See also Figure 7 , Figure 7 The present invention provides an assembly diagram of the folding ring, basin frame and outer shell of another embodiment of the sound unit. In another specific embodiment, the first buffer segment 51 and the second buffer segment 52 are flexible pads that are integrally formed, and the third buffer segment 53 is a pressing block 58. The pressing block 58 is a hard pad, and the pressing block 58 abuts against one end of the second buffer segment 52 away from the first buffer segment 51, and flexible gaskets 59 are provided on opposite sides of the pressing block 58.

[0064] In the card slot 3 corresponding to the centering support piece 2, a flexible gasket 59 is provided on one side where the pressing block 58 abuts against the first card edge 21 and on one side where the pressing block 58 abuts against the slot wall of the card slot 3, respectively. In the card slot 3 corresponding to the second connecting portion 73, a flexible gasket 59 is provided between the pressing block 58 and the corresponding slot wall of the card slot 3 and between the pressing block 58 and the second connecting portion 73.

[0065] The hard pressure block 58 is brought into contact with the second connecting portion 73 of the folding ring 7, and the second connecting portion 73 is pressed against the clamping edge by the pressure block 58. Compared with the flexible pad, the hard pad can increase the connection strength and stability between the second connecting portion 73 and the clamping slot 3, thereby ensuring the accurate positioning of the folding ring 7 and the basin frame 1, as well as the accurate positioning between the centering support piece 2 and the basin frame 1, thereby avoiding looseness or displacement and maintaining the long-term stability of the sound unit 100. The hard pad can also ensure a close fit between the clamping end 4 and the clamping slot 3, thereby improving the accuracy during the installation process and avoiding unstable connection due to tolerance or installation errors. A flexible gasket 59 is arranged between the pressing block 58 and the groove wall of the slot 3 and between the pressing block 58 and the second connecting portion 73. The flexible gasket 59 absorbs and alleviates the vibration from the folding ring 7, the basin frame 1 or the centering support plate 2, which helps to prevent the vibration from being transmitted to the outer shell 6 or the basin frame 1, reduce the resonance of the outer shell 6 and the basin frame 1, reduce distortion and noise, and thus improve the sound quality of the sound unit 100.

[0066] In one embodiment, the clamping end 4 composed of the second connecting portion 73 and the second clamping edge 13 is the second clamping end 46, and a clamping block 74 is formed on the outer peripheral edge of the second connecting portion 73. The second clamping edge 13 includes an abutting portion 131 and a bending portion 132 connected in sequence from the inside to the outside. The bending portion 132 is bent from the abutting portion 131 toward the second connecting portion 73, and a placement groove 133 is formed between the abutting portion 131, the bending portion 132 and the elastic buffer pad 5, and the clamping block 74 extends into the placement groove 133 and is clamped and matched with the placement groove 133.

[0067] The structure of the clamping end 4 formed by the second connecting portion 73 and the second clamping edge 13 is different from that of the clamping end 4 formed by the centering support plate 2. The abutting portion 131 and the bending portion 132 of the clamping edge form an L-shaped structure. The L-shaped structure and the elastic buffer pad 5 form a placement groove 133. The clamping block 74 is placed in the placement groove 133 and is clamped with the placement groove 133, so that the second connecting portion 73 is more stable and the stability of the folding ring 7 is improved. The main function of the folding ring 7 is to allow the cone to vibrate freely and provide a certain elastic reset force. If the contact area between the folding ring 7 and the elastic buffer pad 5 is too large, the mechanical damping will increase, resulting in limited vibration of the folding ring 7. This will cause part of the vibration energy to be consumed on the contact surface. Therefore, the second connecting portion 73 is shielded by the bending portion 132 to reduce the contact area between the second connecting portion 73 and the elastic buffer pad 5, which can reduce the energy loss of the folding ring 7 and improve the sound effect of the sound-emitting unit 100.

[0068] In one embodiment, the block 74 has a first abutting plane 75 and a second abutting plane 76, the first abutting plane 75 abuts against the inner wall of the elastic buffer pad 5, and the second abutting plane 76 abuts against the abutting portion 131; the inner wall surface of the elastic buffer pad 5 abutting against the first abutting plane 75 and the inner wall surface of the abutting portion 131 abutting against the second abutting plane 76 are both planes, and the outer wall surface of the connection between the abutting portion 131 and the bending portion 132 is an arc surface, and the position of the elastic buffer pad 5 corresponding to the arc surface forms an arc-shaped wall, and the arc-shaped wall matches the shape of the arc surface and abuts against each other.

[0069] The two opposite sides of the block 74 are both planes, so that the block 74 and the elastic buffer pad 5 are more stably abutted, and the block 74 and the clamping edge are more stably abutted, reducing the wear of the folding ring 7 and improving the connection stability of the block 74. The inner wall of one side of the elastic buffer pad 5 abutting the first abutting plane 75 is a plane wall, so that the block 74 is subjected to the same extrusion force at each location of the first abutting plane 75, so that the force is uniform at each location, reducing local stress concentration, thereby reducing the risk of loosening or poor connection of the block 74, and at the same time, the contact between the plane wall and the first abutting plane 75 can ensure uniform distribution of force, avoid resonance caused by local poor contact or deformation, and improve the clarity and accuracy of the sound of the sound unit 100.

[0070] In one embodiment, the clamping end 4 formed by the first clamping edge 21 is a first clamping end 45, and the two opposite surfaces of the first clamping end 45 against the inner wall of the elastic buffer pad 5 are both planes, and the two opposite inner wall surfaces of the elastic buffer pad 5 corresponding to the first clamping end 45 are both planes. The two opposite surfaces of the first clamping end 45 against the inner wall of the elastic buffer pad 5 are both planes, so that the same extrusion force is applied to each part of the opposite two surfaces of the first clamping edge 21, so that the force is evenly applied to each part, reducing local stress concentration, thereby reducing the risk of loosening or poor connection of the first clamping edge 21, and at the same time, the inner wall surface of the elastic buffer pad 5 is a plane and abuts against the plane of the first clamping edge 21, which can ensure uniform distribution of force, avoid resonance caused by local poor contact or deformation, and improve the clarity and accuracy of the sound of the sound unit 100.

[0071] Please combine Figure 1 and Figure 6 ,in, Figure 6 The present invention provides an assembly diagram of the centering support plate and the voice coil of the sound unit. In one embodiment, the sound unit 100 also includes a voice coil 8, the inner peripheral edge of the centering support plate 2 is connected to the voice coil 8, the mounting platform 11 and the limiting plate 12 both extend along the radial direction of the voice coil 8, and the limiting plate 12 is arranged at an axial distance from the mounting platform 11 along the voice coil 8.

[0072] The mounting platform 11 and the limiting plate 12 both extend along the radial direction of the voice coil 8 and are arranged at intervals along the axial direction of the voice coil 8, so that the groove walls on the opposite sides of the slot 3 are arranged perpendicular to the voice coil 8, so that after the first clamping edge 21 is clamped and matched with the slot 3, the centering support plate 2 and the voice coil 8 can be arranged perpendicularly, which can more effectively maintain the accurate positioning of the voice coil 8 in the magnetic gap 41, prevent the voice coil 8 from tilting or offsetting when moving forward and backward, and improve the stability of the voice coil 8. It can also effectively reduce the lateral stress of the voice coil 8 and reduce the wear caused by lateral friction or asymmetric movement, thereby improving the durability and service life of the sound unit 100.

[0073] In one embodiment, the voice coil 8 is provided with a plurality of snap-in holes 81 at intervals along its circumference, and the inner peripheral edge of the centering support plate 2 is provided with a plurality of snap-in parts 22 at intervals along its circumference. The number of the snap-in parts 22 is consistent with the number of the snap-in holes 81 and they are snap-fitted one by one.

[0074] The centering support plate 2 and the voice coil 8 are mechanically fixed by the clamping cooperation of the clamping piece 22 and the clamping hole 81. Mechanical fixation replaces glue bonding, which can significantly improve the stability and durability of the structure and avoid loosening or falling off caused by aging or failure of the glue. The centering support plate 2 and the voice coil 8 can be fixed without glue, and no volatile odor will be generated without glue bonding, thereby improving the user experience, not affecting the user's health, and being more environmentally friendly.

[0075] In one embodiment, the sound unit 100 further includes a magnetic circuit system 9 , the inner peripheral edge of the basin frame 1 is connected to the magnetic circuit system 9 , the magnetic circuit system 9 forms a magnetic gap 41 , and the voice coil 8 is suspended in the magnetic gap 41 .

[0076] The inner edge of the basin frame 1 is connected to the magnetic circuit system 9 and will not vibrate with the movement of the voice coil 8. The voice coil 8 is suspended in the magnetic gap 41, which can maximize the magnetic field strength and uniformity, optimize the electromagnetic conversion efficiency, ensure the movement of the voice coil 8 is accurate and efficient, avoid energy loss and distortion caused by friction or resistance, and improve the response speed and sound clarity of the sound unit 100.

[0077] In one embodiment, the magnetic circuit system 9 includes a U-iron 91 and a magnet 92 . The U-iron 91 is disposed outside the magnet 92 and forms a magnetic gap 41 with the magnet 92 . A magnetic conductive plate 93 is disposed on one side of the magnet 92 facing the cone.

[0078] The U iron 91 is arranged around the periphery of the magnet 92, and can direct the magnetic lines of force of the magnet 92 to the magnetic gap 41, so that the magnetic field strength in the magnetic gap 41 where the voice coil 8 is located is more concentrated and enhanced. This helps to improve the driving force of the voice coil 8 in the magnetic field, thereby improving the efficiency and sound quality performance of the sound unit 100. The magnetic plate 93 can accurately control the height and position of the magnetic gap 41, ensuring the correct positioning and free movement of the voice coil 8 in the magnetic gap 41. The magnetic plate 93 can also increase the uniformity of the magnetic field, so that the force exerted on the voice coil 8 during the entire vibration stroke is more uniform and consistent, thereby improving the sound effect.

[0079] In one embodiment, a limiting groove 14 is provided on the inner peripheral edge of the basin frame 1, the notch of the limiting groove 14 is arranged inward, a limiting block is provided on the outer wall of the U iron 91 corresponding to the limiting groove 14, and the limiting groove 14 is plugged into and matched with the limiting block.

[0080] The basin frame 1 and the U iron 91 are fixed by the plug-in cooperation of the limit groove 14 and the limit block, so that the basin frame 1 and the U iron 91 can be fixed without glue. Without glue bonding, no volatile odor will be produced, thereby improving the user experience, not affecting the user's health, and being more environmentally friendly.

[0081] The present invention further provides a sound-generating device, which includes a housing and the above-mentioned sound-generating unit 100 installed in the housing. The specific structure of the sound-generating unit 100 refers to the above-mentioned embodiment. Since the present sound-generating device adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0082] The present invention also provides an electronic device, which is applied with the above-mentioned sound-generating device. The specific structure of the sound-generating device refers to the above-mentioned embodiment. Since the electronic device adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0083] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A sound-emitting unit, characterized in that: include: A basin frame, wherein the inner wall of the basin frame is provided with a slot, and the slot is arranged inwardly; A centering support plate, wherein the outer peripheral edge of the centering support plate has a first clamping edge, the first clamping edge forms a clamping end, the clamping end extends into the clamping slot and is clamped with the clamping slot, a gap is formed between the clamping end and the slot wall of the clamping slot, and an elastic buffer pad is provided between the clamping end and the slot wall of the clamping slot, and the elastic buffer pad fills the gap.

2. The sound-emitting unit according to claim 1, characterized in that: The basin frame is bent inwardly at a position corresponding to the centering support piece to form a mounting platform, and a limit plate is provided on the inner wall of the basin frame near the mounting platform. The limit plate, the mounting platform and the basin frame form the slot.

3. The sound-emitting unit according to claim 1, characterized in that: The sound-emitting monomer further comprises: A shell, the inner wall of which is provided with another card slot; A folding ring, the folding ring comprises a first connecting portion, a folding ring portion and a second connecting portion connected in sequence from the inside to the outside, the outer peripheral edge of the basin frame has a second clamping edge, the second connecting portion and the second clamping edge constitute another clamping end, and the two clamping ends are clamped and matched with the two clamping grooves in a one-to-one correspondence; A gap is formed between each of the clamping ends and the corresponding slot wall of the clamping slot, and an elastic buffer pad is arranged between each of the clamping ends and the corresponding slot wall of the clamping slot, and the elastic buffer pad fills the corresponding gap.

4. The sound-emitting unit according to claim 3, characterized in that: Each of the gaps includes a first gap, a second gap and a third gap that are connected in sequence, and each of the elastic buffer pads includes a first buffer segment, a second buffer segment and a third buffer segment. The first buffer segment, the second buffer segment and the third buffer segment are connected or abutted in sequence to form a U-shaped elastic buffer pad with an opening facing inward, and the first buffer segment, the second buffer segment and the third buffer segment are filled in the first gap, the second gap and the third gap respectively and one by one.

5. The sound-emitting unit according to claim 4, characterized in that: The outer wall of the first buffer section and / or the outer wall of the second buffer section and / or the outer wall of the third buffer section is provided with a pressing piece, and the pressing piece is used to press against the corresponding slot wall of the card slot.

6. The sound-emitting unit according to claim 5, characterized in that: An abutting groove is formed on the outer wall of the first buffer section to form the abutting member, and an abutting protrusion abutting against the abutting groove is formed on the groove wall of the clamping groove corresponding to the abutting groove; And / or, the outer wall of the second buffer section is provided with a second protrusion to form the abutting member; And / or, the outer wall of the third buffer section is provided with a third protrusion to form the abutting member.

7. The sound-emitting unit according to claim 4, characterized in that: The first buffer section, the second buffer section and the third buffer section are flexible cushion blocks formed in one piece.

8. The sound-emitting unit according to claim 4, characterized in that: The first buffer section and the second buffer section are flexible pads integrally formed, the third buffer section is a pressing block, the pressing block is a hard pad, and the pressing block abuts against one end of the second buffer section away from the first buffer section, and flexible gaskets are provided on opposite sides of the pressing block.

9. The sound-emitting unit according to claim 3, characterized in that: The clamping end composed of the second connecting portion and the second clamping edge is the second clamping end, the outer peripheral edge of the second connecting portion is formed with a clamping block, the second clamping edge includes an abutting portion and a bending portion connected in sequence from the inside to the outside, the bending portion is bent from the abutting portion toward the second connecting portion, and a placement groove is formed between the abutting portion, the bending portion and the elastic buffer pad, the clamping block extends into the placement groove and is clamped and matched with the placement groove.

10. The sound-emitting unit according to claim 9, characterized in that: The block has a first abutment plane and a second abutment plane, the first abutment plane abuts against the inner wall of the elastic buffer pad, and the second abutment plane abuts against the abutment portion; the inner wall surface of the elastic buffer pad abutting against the first abutment plane and the inner wall surface of the abutment portion abutting against the second abutment plane are both planes, the outer wall surface of the connection between the abutment portion and the bending portion is an arc surface, the elastic buffer pad forms an arc-shaped wall at the position corresponding to the arc surface, the arc-shaped wall matches the shape of the arc surface and abuts against each other.

11. The sound-emitting unit according to any one of claims 1 to 8, characterized in that: The clamping end formed by the first clamping edge is a first clamping end, and the two opposite surfaces of the first clamping end pressed against the inner wall of the elastic buffer pad are both planes, and the two opposite inner wall surfaces of the elastic buffer pad corresponding to the first clamping end are both planes.

12. The sound-emitting unit according to any one of claims 2 to 10, characterized in that: The sound unit also includes a voice coil, the inner peripheral edge of the centering support plate is connected to the voice coil, the mounting platform and the limit plate both extend radially along the voice coil, and the limit plate is spaced apart from the mounting platform along the axial direction of the voice coil.

13. The sound-emitting unit according to claim 12, characterized in that: The voice coil is provided with a plurality of clamping holes at intervals along its circumference, and the inner peripheral edge of the centering support is provided with a plurality of clamping parts at intervals along its circumference. The number of the clamping parts is consistent with the number of the clamping holes and they are clamped in one-to-one correspondence.

14. The sound-emitting unit according to claim 12, characterized in that: The sound unit also includes a magnetic circuit system. The inner peripheral edge of the basin frame is connected to the magnetic circuit system. The magnetic circuit system forms a magnetic gap, and the voice coil is suspended in the magnetic gap.

15. The sound-emitting unit according to claim 14, characterized in that: The magnetic circuit system includes a U iron and a magnet. The U iron is arranged outside the magnet and forms the magnetic gap with the magnet. A magnetic conductive plate is arranged on one side of the magnet facing the cone.

16. The sound-emitting unit according to claim 15, characterized in that: A limiting groove is arranged on the inner peripheral edge of the basin frame, the notch of the limiting groove is arranged inwardly, a limiting block is arranged on the outer wall of the U iron corresponding to the limiting groove, and the limiting groove is plug-fitted with the limiting block.

17. A sound-generating device, characterized in that: The sound-emitting device comprises a housing and a sound-emitting unit according to any one of claims 1 to 16 installed in the housing.

18. An electronic device, characterized in that: The electronic device is applied with the sound-generating device as claimed in claim 17.

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