CN204559874U - A kind of loudspeaker vibration assembly and a kind of loadspeaker structure - Google Patents
A kind of loudspeaker vibration assembly and a kind of loadspeaker structure Download PDFInfo
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- CN204559874U CN204559874U CN201520284504.0U CN201520284504U CN204559874U CN 204559874 U CN204559874 U CN 204559874U CN 201520284504 U CN201520284504 U CN 201520284504U CN 204559874 U CN204559874 U CN 204559874U
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- voice coil
- vibration assembly
- loudspeaker
- bonding
- reinforcement part
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Abstract
The utility model discloses a kind of loudspeaker vibration assembly, comprising voice coil loudspeaker voice coil, reinforcement part and vibrating diaphragm, described vibrating diaphragm has central part.Described voice coil loudspeaker voice coil and described reinforcement part are mounted on two surfaces of described central part respectively, and described central part has bonding perforation, and described bonding perforation is for holding the bonding agent being coated in described diaphragm surface.The utility model additionally provides a kind of loadspeaker structure, comprising above-mentioned loudspeaker vibration assembly, magnetic circuit system, shell and shell fragment.Described loudspeaker vibration assembly and described magnetic circuit system are arranged in described shell, and described shell fragment is fixing in the housing, and described loudspeaker vibration assembly is electrically connected with described shell fragment, and described voice coil loudspeaker voice coil is suspended from described magnetic gap.The loudspeaker vibration assembly that the utility model provides avoids the excessive problem of bonding agent, and provides more reliable structural stability for reinforcement part and voice coil loudspeaker voice coil.
Description
Technical field
The utility model belongs to acoustic-electric energy-conversion technique field, and particularly, the utility model relates to a kind of vibration component of loud speaker and a kind of loadspeaker structure.
Background technology
Microspeaker is indispensable microphone device in modern electronic equipment, along with people higher requirement is proposed to the tonequality of electronic equipment, consumption figure increases gradually, the performance need of loudspeaker vibration assembly and magnetic circuit system is promoted further, and manufacturing process is also more efficient, reliable.
In existing coil-moving speaker structure, vibration component generally includes voice coil loudspeaker voice coil, vibrating diaphragm and reinforcement part.Voice coil loudspeaker voice coil and reinforcement part are generally connected on two surfaces of described vibrating diaphragm by bonding mode.In common manufacture craft, first at the one side coating bonding agent of vibrating diaphragm, then mount reinforcement part and carry out curing operation, afterwards, then apply bonding agent at the another side of vibrating diaphragm, attachment voice coil loudspeaker voice coil is also cured.But this manufacture craft needs to carry out twice gluing and curing operation, and efficiency is lower.And, because bonding agent has certain volume and mobility, when reinforcement part and vibrating diaphragm and voice coil loudspeaker voice coil and vibrating diaphragm compress, the bonding agent be coated in advance on vibrating diaphragm often overflows from the edge of reinforcement part and voice coil loudspeaker voice coil, on the ring flowing to vibrating diaphragm or on the sidewall of voice coil loudspeaker voice coil.The bonding agent overflowed easily causes surround normally to work, or voice coil loudspeaker voice coil cannot vibrate smoothly in magnetic circuit system.
In sum, existing miniature moving-coil type loud speaker all existing defects in structure and manufacture craft, is necessary to propose a kind of improved plan, does not use bonding mode to make vibration component, or avoid repetition gluing, solidification, prevent bonding agent from overflowing.
Utility model content
An object of the present utility model is to provide a kind of loudspeaker vibration assembly preventing bonding agent excessive.
According to an aspect of the present utility model, provide a kind of loudspeaker vibration assembly, comprising voice coil loudspeaker voice coil, reinforcement part and vibrating diaphragm, described vibrating diaphragm has central part;
Described voice coil loudspeaker voice coil and described reinforcement part are mounted on two surfaces of described central part respectively, and described central part has bonding perforation.
Preferably, described bonding perforation can be distributed on the position that described voice coil loudspeaker voice coil contacts with central part.
Described reinforcement part can have relief portion, and described relief portion is corresponding with the position of described bonding perforation.Especially, when described bonding perforation distributions is on the position that described voice coil loudspeaker voice coil contacts with central part, described relief portion also can be corresponding with the position of described bonding perforation.
Described relief portion can for being positioned at the flanging portion at edge, described reinforcement part, and relief portion also can for being positioned at the groove on surface, described reinforcement part.Preferably, brace table can be had in described relief portion.Described voice coil loudspeaker voice coil can also comprise voice coil leads.
The utility model additionally provides a kind of loadspeaker structure, comprising:
Above-mentioned loudspeaker vibration assembly;
Magnetic circuit system, has magnetic gap in described magnetic circuit system;
For carrying the shell of described loudspeaker vibration assembly and magnetic circuit system;
Shell fragment;
Described loudspeaker vibration assembly and described magnetic circuit system are arranged in described shell, and described shell fragment is fixing in the housing, and described loudspeaker vibration assembly is electrically connected with described shell fragment, and described voice coil loudspeaker voice coil is suspended from described magnetic gap.
Magnet, washer and frame can be comprised in described magnetic circuit system.
A technique effect of the present utility model is, by arranging bonding perforation on vibrating diaphragm central part, for holding the bonding agent being coated in central part surface, thus prevent bonding agent excessive, and further enhance the stability of bonding assembling, bonding agent solidifies in described bonding perforation, can provide more reliable structural stability for reinforcement part and voice coil loudspeaker voice coil.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
In the description combined and the accompanying drawing forming a part for specification shows embodiment of the present utility model, and illustrate that one is used from and explains principle of the present utility model together with it.
Fig. 1 is the part explosive view of loudspeaker vibration assembly in the utility model specific embodiment;
Fig. 2 is the structure cutaway view of loudspeaker vibration assembly in the utility model specific embodiment;
Fig. 3 is the enlarged partial sectional view of relief portion and bonding perforation in the utility model specific embodiment;
Fig. 4 is the amplification view of relief portion in the utility model specific embodiment, bonding perforation and brace table;
Fig. 5 is the structure chart in the utility model specific embodiment MR medium reinforcing portion;
Fig. 6 is the part explosive view of loadspeaker structure in the utility model specific embodiment;
Fig. 7 is the enlarged partial sectional view of loadspeaker structure in the utility model specific embodiment.
Embodiment
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
The utility model provides a kind of vibration component of loud speaker, wherein at least comprises voice coil loudspeaker voice coil, reinforcement part and vibrating diaphragm, and described vibrating diaphragm has planar portions, ring portion and central part, and described voice coil loudspeaker voice coil and described reinforcement part are mounted in two planes of described central part respectively.Described planar portions is used for being fixedly connected with other parts of loud speaker, and the reinforcement part on centered by described ring portion and voice coil loudspeaker voice coil provide sufficient oscillation space and suspension force.Especially, described central part has the bonding perforation of multiple hollow out, for holding the bonding agent be coated on vibrating diaphragm.Described bonding perforation can be evenly distributed on described central part, such as, be arranged on central part with a matrix type, or forms the equally spaced bonding perforation of a circle in the submarginal position of central part.The central part of described vibrating diaphragm can be complete plane diaphragm, also can be middle hollow out, only have the ring-shaped central portion of one fixed width.Those skilled in the art according to the different structure of described central part, can arrange the multiple bonding perforation of different distributions form thereon.Central part due to described vibrating diaphragm has bonding perforation, operates so only need to carry out a gluing on a surface of central part, bonding agent can by the opposite side of bonding bore flow to described central part.And there is certain viscosity due to bonding agent, so also some bonding agents can be retained in bonding perforation, strengthen adhesive effect.On the other hand, described bonding perforation is that bonding agent provides certain flowing space, and when described reinforcement part and voice coil loudspeaker voice coil are pressed on described vibrating diaphragm, bonding agent can not directly overflow from the both sides of reinforcement part and voice coil loudspeaker voice coil, avoids bonding agent and shifts out the device failure caused.Major part bonding agent can flow into bonding perforation, thus forms bond layer in described bonding perforation, effectively promotes the degree of reliability of attachment.
In addition, to different vibration components, those skilled in the art may use different bonding agents, there is the difference of mobility, viscosity between different bonding agent.So, according to the character of bonding agent used, the shape of described bonding perforation can be designed, thus enable the easier both sides being seeped into central part from described bonding perforation of bonding agent, form bond layer.Such as, the shape of described bonding perforation can be rectangle, cross etc., and the utility model does not limit the shape of described bonding perforation, and those skilled in the art can design according to actual conditions.
In the particular embodiment, as shown in Figure 1, the central part 13 of described vibrating diaphragm 1 is the loop configuration of middle hollow out, centrally the annular surface in portion 13 is distributed with multiple equally spaced bonding perforation 131, multiple described bonding perforation 131 looping distributional pattern, the shape of described bonding perforation 131 is rectangles.Described bonding perforation 131 can near the inward flange of described central part 13, also can in the edge of described central part 13 near described ring portion 12.The position of bonding perforation 131 can be designed according to the size of voice coil loudspeaker voice coil 2 and reinforcement part 3.Especially, in embodiment of the present utility model, the position of described bonding perforation 131 on described central part 13 is identical with the position that described voice coil loudspeaker voice coil 2 is mounted on central part 13, namely when described voice coil loudspeaker voice coil 2 is mounted on described central part 13, described voice coil loudspeaker voice coil 2 contacts with described bonding perforation 131, as shown in Figure 2.The advantage of this architectural feature is, when carrying out gluing operation to described central part 13, the annular strip that only need be formed in described bonding perforation 131 applies bonding agent.A part bonding agent be attached in glue-coated surface, for bonding voice coil loudspeaker voice coil 2, another part bonding agent flow into described bonding perforation 131, the opposite side being seeped into central part 13 on the surface, for bonding and reinforcing portion 3.
Preferably, described reinforcement part 3 can have relief portion 31, as shown in Figure 2,3.The position of described relief portion 31 should be corresponding with the position of described bonding perforation 131, and namely when described reinforcement part 3 is arranged on described central part 13, described relief portion 31 forms certain space between described central part 13 and described reinforcement part 3.In the present embodiment, multiple bonding perforation 131 distributes ringwise, so described relief portion 31 is ribbon ringwise on described reinforcement part 3 also, corresponding with the position of described bonding perforation 131, as shown in Fig. 3,5.The structure of described relief portion 31 can be the flanging formed at the edge of reinforcement part 3, as shown in Fig. 3,5, and the groove that also can be formed on the surface of reinforcement part 3.The shape of described relief portion 31 and structure can design according to factors such as the characteristic distributions of the size of reinforcement part 3, mounting position, bonding perforation 131, and the utility model does not limit the shape of relief portion 31 and structure.Such as, in the present embodiment, the area surrounded due to the area of described reinforcement part 3 and the outward flange of described central part 13 is substantially suitable, described bonding perforation 131 is distributed in ring-shaped central portion 13, so, the position of bonding perforation 131 is near the edge of described reinforcement part 3, and described relief portion 31 is formed on reinforcement part 3 by the mode that edge is ironed.In other cases, such as, do not have hollow out in the middle of described central part 13, when bonding perforation 131 is distributed in the central part 13 of central part 13, described relief portion 31 by forming the mode of groove on surface, can be arranged on the center of described reinforcement part 3.
The advantage that reinforcement part 3 has relief portion 31 is, on the one hand, be coated in vibrating diaphragm 1 and mount bonding agent on the surface of voice coil loudspeaker voice coil 2 side when being seeped into attachment reinforcement part 3 surperficial by bonding perforation 131, can be gathered in described relief portion 31, cling bottom surface and the side of described relief portion 31, strengthen the adhesive effect to described reinforcement part 3.The structural stability had after reinforcement part 3 attachment of relief portion 31 is stronger.On the other hand, because described relief portion 31 provides the space holding bonding agent, so in the process of reinforcement part 3, voice coil loudspeaker voice coil 2 pressing bonding with vibrating diaphragm 1, unnecessary bonding agent can not from reinforcement part 3, the edge of voice coil loudspeaker voice coil 2 overflows, thus affects the performance in ring portion 12 and the profile of voice coil loudspeaker voice coil 2.Unnecessary bonding agent is gathered in relief portion 31, can strengthen the attachment stability of reinforcement part 3.
Especially, when described reinforcement part 3 has relief portion 31, and the position of described bonding perforation 131 also corresponding with the position that described voice coil loudspeaker voice coil 2 mounts time, the feature of structure to the stability obviously promoting attachment, can significantly can also simplify the assembly technology of vibration component simultaneously.But because described voice coil loudspeaker voice coil 2, bonding perforation 131 and relief portion 31 are in identical position, so position central part 13 mounting voice coil loudspeaker voice coil 2 does not directly contact with reinforcement part 3, bonding perforation 131 and relief portion 31 define certain space, as shown in Figure 3.When vibration component works, the vibration that voice coil loudspeaker voice coil 2 produces cannot be directly delivered on reinforcement part 3, and vibration needs just can be passed to reinforcement part 3 by central part 13.This situation may cause described central part 13 to bend, or vibrating diaphragm 1 completely and the phenomenon such as voice coil loudspeaker voice coil 2 synchronous vibration, can not affect the sound quality of loud speaker.So, as shown in Figure 4,5, brace table 32 can be had in described relief portion 31, when reinforcement part 3 is mounted on described central part 13, described brace table 32 contacts with described central part 13, for supporting described relief portion 31, the vibration produced when voice coil loudspeaker voice coil 2 works can be directly delivered on described reinforcement part 3 by brace table 32.In the present embodiment, there are in described relief portion 31 4 brace tables 32, be separately positioned on four emphasis places, limit of rectangular ring relief portion 31.The utility model does not limit the shape of described relief portion 31, quantity and characteristic distributions, those skilled in the art can according to actual conditions, described brace table 32 designs position and the quantity of described brace table 32, as long as can play sufficient supporting role.
The utility model additionally provides a kind of loadspeaker structure employing above-mentioned vibration component, comprising above-mentioned vibration component, magnetic circuit system, shell 5 and shell fragment 6, as shown in Figure 6.Described vibration component is arranged on described shell 5 by the planar portions 11 of vibrating diaphragm 1, also comprises voice coil leads 21 in vibration component, and described voice coil leads 21 is drawn from described voice coil loudspeaker voice coil 2, for transmitting voice signal.Described shell fragment 6 is arranged on described shell 5, and described voice coil leads 21 is electrically connected with described shell fragment 6.Described magnetic circuit system is arranged in described shell 5, comprising magnet 41, washer 42 and frame 43.Have magnetic gap in described magnetic circuit system, described voice coil loudspeaker voice coil 2 is suspended from described magnetic gap, when have in described voice coil loudspeaker voice coil 2 voice signal by time, voice coil loudspeaker voice coil 2 produces vibration under the influence of a magnetic field, thus drive described vibrating diaphragm 1 vibrate produce sound.The partial sectional view of the loadspeaker structure that Fig. 7 provides for the utility model, the bonding perforation 131 on described central part 13 prevents the excessive device damage caused of bonding agent, and bonding agent can not overflow from the side of central part 13 and flow to ring portion 12.
On the other hand, the utility model additionally provides a kind of assemble method of vibration component, and number of assembling steps comprises:
Step 1: vibrating diaphragm 1, reinforcement part 3 and voice coil loudspeaker voice coil 2 are provided, as shown in Figure 1, described vibrating diaphragm 1 comprises planar portions 11, ring portion 12 and central part 13, described central part 13 sets the attachment band contacted with described voice coil loudspeaker voice coil 2, described central part 13 forms bonding perforation 131.When manufacturing described vibrating diaphragm 1, on a surface of described central part 13, set the position of voice coil loudspeaker voice coil 2 on described central part 13 in advance, and form bonding perforation 131.The position that voice coil loudspeaker voice coil 2 contacts with described central part 13 is with as mounting, and needs to carry out gluing operation.Another surface of described central part 13 is as the surface mounting described reinforcement part 3.
Step 2: stacked in described reinforcement part 3 and described vibrating diaphragm 1 location, described reinforcement part 3 is corresponding with described central part 13, covers in described bonding perforation 131.In described step 2, described reinforcement part 3 is placed in below, vibrating diaphragm 1 is placed on described reinforcement part 3, and relative with described reinforcement part 3 for the surface mounting reinforcement part 3, position between the two, relative position is assembling position.
Step 3: bring in described attachment and apply bonding agent in described bonding perforation 131.In described step 3, bonding agent is coated in attachment band and bonding perforation 131 place, bonding agent can be seeped between reinforcement part 3 and vibrating diaphragm 1 from described bonding perforation 131.If the position of described bonding perforation 131 is with identical with described attachment, then only need to apply bonding agent in bonding perforation 131.If the position of described bonding perforation 131 from described mount be with different, then need by attachment band and bonding perforation 131 on all coat bonding agent.
Step 4: described voice coil loudspeaker voice coil 2 location is placed on described attachment and brings, contact with bonding agent.The reinforcement part 3 of lower floor and middle vibrating diaphragm 1 and above voice coil loudspeaker voice coil 2 combine and form described loudspeaker vibration assembly, as shown in Figure 2.
Step 5: be cured described bonding agent, puts into solidification equipment by the loudspeaker vibration assembly completing location assembling, by the bonding agent solidification be coated on vibrating diaphragm 1, makes reinforcement part 3, vibrating diaphragm 1 and voice coil loudspeaker voice coil 2 fixed-type.
Preferably, before described step 1, can also comprise, described reinforcement part 3 forms relief portion 31 by the mode such as flanging, etching.When described reinforcement part 3 and vibrating diaphragm 1 are located and stacked, described relief portion 31 is corresponding with the position of described bonding perforation 131.
Preferably, in described step 1, described bonding perforation 131 is formed in described attachment and brings, make the position of described bonding perforation 131 with described mount be with identical.
Although be described in detail specific embodiments more of the present utility model by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, when not departing from scope and spirit of the present utility model, above embodiment can be modified.Scope of the present utility model is limited by claims.
Claims (10)
1. a loudspeaker vibration assembly, is characterized in that, described vibration component comprises voice coil loudspeaker voice coil (2), reinforcement part (3) and vibrating diaphragm (1), and described vibrating diaphragm (1) has central part (13);
Described voice coil loudspeaker voice coil (2) and described reinforcement part (3) are mounted on two surfaces of described central part (13) respectively, described central part (13) have bonding perforation (131).
2. loudspeaker vibration assembly according to claim 1, is characterized in that, described bonding perforation (131) is distributed on the position that described voice coil loudspeaker voice coil (2) contacts with central part (13).
3. loudspeaker vibration assembly according to claim 1, it is characterized in that, described reinforcement part (3) has relief portion (31), described relief portion (31) is corresponding with the position of described bonding perforation (131).
4. loudspeaker vibration assembly according to claim 2, it is characterized in that, described reinforcement part (3) has relief portion (31), described relief portion (31) is corresponding with the position of described bonding perforation (131).
5. the loudspeaker vibration assembly according to claim 3 or 4, is characterized in that, described relief portion (31) is for being positioned at the flanging portion at described reinforcement part (3) edge.
6. the loudspeaker vibration assembly according to claim 3 or 4, is characterized in that, described relief portion (31) is for being positioned at the groove on surface, described reinforcement part (3).
7. loudspeaker vibration assembly according to claim 4, is characterized in that, has brace table (32) in described relief portion (31).
8. loudspeaker vibration assembly according to claim 1, is characterized in that, described voice coil loudspeaker voice coil (2) comprises voice coil leads (21).
9. a loadspeaker structure, comprising:
One of claim 1-8 is any described loudspeaker vibration assembly;
Magnetic circuit system, has magnetic gap in described magnetic circuit system;
For carrying the shell (5) of described loudspeaker vibration assembly and magnetic circuit system;
Shell fragment (6);
Described loudspeaker vibration assembly and described magnetic circuit system are arranged in described shell (5), described shell fragment (6) is fixed in described shell (5), described loudspeaker vibration assembly is electrically connected with described shell fragment (6), and described voice coil loudspeaker voice coil (2) is suspended from described magnetic gap.
10. loadspeaker structure according to claim 9, is characterized in that, described magnetic circuit system comprises magnet (41), washer (42) and frame (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284504.0U CN204559874U (en) | 2015-05-05 | 2015-05-05 | A kind of loudspeaker vibration assembly and a kind of loadspeaker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284504.0U CN204559874U (en) | 2015-05-05 | 2015-05-05 | A kind of loudspeaker vibration assembly and a kind of loadspeaker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204559874U true CN204559874U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284504.0U Withdrawn - After Issue CN204559874U (en) | 2015-05-05 | 2015-05-05 | A kind of loudspeaker vibration assembly and a kind of loadspeaker structure |
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| CN (1) | CN204559874U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811878A (en) * | 2015-05-05 | 2015-07-29 | 歌尔声学股份有限公司 | Speaker vibrating component and assembling method thereof |
| WO2020125169A1 (en) * | 2018-12-20 | 2020-06-25 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2020258154A1 (en) * | 2019-06-27 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Diaphragm and speaker using diaphragm |
-
2015
- 2015-05-05 CN CN201520284504.0U patent/CN204559874U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811878A (en) * | 2015-05-05 | 2015-07-29 | 歌尔声学股份有限公司 | Speaker vibrating component and assembling method thereof |
| WO2016176999A1 (en) * | 2015-05-05 | 2016-11-10 | 歌尔声学股份有限公司 | Speaker vibration assembly and assembly method thereof |
| US10237671B2 (en) | 2015-05-05 | 2019-03-19 | Goertek Inc. | Speaker vibration assembly and assembling method thereof |
| WO2020125169A1 (en) * | 2018-12-20 | 2020-06-25 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2020258154A1 (en) * | 2019-06-27 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Diaphragm and speaker using diaphragm |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150812 Effective date of abandoning: 20190104 |
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| AV01 | Patent right actively abandoned |