CN218734877U - Earphone loudspeaker and earphone - Google Patents
Earphone loudspeaker and earphone Download PDFInfo
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- CN218734877U CN218734877U CN202223015371.6U CN202223015371U CN218734877U CN 218734877 U CN218734877 U CN 218734877U CN 202223015371 U CN202223015371 U CN 202223015371U CN 218734877 U CN218734877 U CN 218734877U
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Abstract
The utility model provides an earphone speaker and an earphone, wherein the earphone speaker comprises a protecting cover, a bracket, a U-shaped cup, a vibrating diaphragm, a washer and a magnet; the U cup, the bracket and the vibrating diaphragm are connected in sequence; the protective cover is connected with the bracket and surrounds the periphery of the vibrating diaphragm; the washer and the magnet are positioned between the vibrating diaphragm and the U cup, and the washer, the magnet and the U cup are sequentially overlapped; an annular space is formed between the protecting cover and the bracket; the annular space comprises a vibrating diaphragm mounting position and an excessive glue containing position which are communicated with each other, and the excessive glue containing position is arranged on the periphery of the vibrating diaphragm mounting position; the outer edge of the vibrating diaphragm is positioned in the vibrating diaphragm mounting position, and the two side surfaces of the outer edge are respectively bonded with the surface of the support and the surface of the protecting cover through adhesives. The utility model is provided with the excessive glue containing position in the vibrating diaphragm mounting position, and when the vibrating diaphragm is pasted, the excessive glue can flow into the excessive glue containing position to prevent the glue from overflowing; glue flows into and overflows to glue and holds the interior week bonding with the periphery of vibrating diaphragm and protecting cover after the position together, has improved the adhesion strength of vibrating diaphragm, prevents that the vibrating diaphragm is not hard up to drop.
Description
Technical Field
The utility model relates to a loudspeaker technical field specifically relates to an earphone loudspeaker and earphone.
Background
The existing horn comprises an annular support, a U cup penetrates into a cavity of the support from bottom to top, the outer wall surface of the U cup is abutted to the inner wall surface of the support, and a vibrating diaphragm and the U cup are oppositely arranged in the extending direction of the central line of the support. The protecting cover is bonded with the support together, a vibrating diaphragm mounting position is formed between the protecting cover and the support, the peripheral part of the vibrating diaphragm is located in the vibrating diaphragm mounting position, and the upper surface and the lower surface of the vibrating diaphragm are bonded with the protecting cover and the support respectively. The protective cover surrounds the periphery of the vibrating diaphragm and plays a protective role on the diaphragm. And a voice coil, a washer and a magnet are arranged between the vibrating diaphragm and the U cup, and the washer, the magnet and the U cup are bonded in sequence.
The outer periphery of the vibrating diaphragm of the existing loudspeaker is abutted against the inner periphery of the protecting cover, and the upper surface and the lower surface of the outer periphery of the vibrating diaphragm are respectively bonded with the protecting cover and the bracket; during the bonding vibrating diaphragm, because the inner space of vibrating diaphragm installation position is all occupied by the vibrating diaphragm, unnecessary glue can spill over to the surface of vibrating diaphragm in the vibrating diaphragm installation position, leads to the vibration part and the protecting cover bonding of vibrating diaphragm, makes the vibration of vibrating diaphragm hindered the tone quality that influences earphone loudspeaker.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide an excessive earphone loudspeaker of glue when can prevent to bond the vibrating diaphragm.
A second object of the present invention is to provide an earphone capable of preventing glue from overflowing during the diaphragm bonding.
In order to achieve the first object, the utility model provides an earphone speaker, which comprises a protecting cover, a bracket, a U-shaped cup, a vibrating diaphragm, a washer and a magnet; the U cup, the bracket and the vibrating diaphragm are connected in sequence; the protective cover is connected with the bracket and surrounds the periphery of the vibrating diaphragm; the washer and the magnet are positioned between the vibrating diaphragm and the U cup, and the washer, the magnet and the U cup are sequentially overlapped; an annular space is formed between the protecting cover and the bracket; the annular space comprises a vibrating diaphragm mounting position and an excessive glue containing position which are communicated with each other, and the excessive glue containing position is arranged on the periphery of the vibrating diaphragm mounting position; the outer edge of the diaphragm is positioned in the diaphragm mounting position, one side surface of the outer edge is bonded with the surface of the support through an adhesive, and the other side surface of the outer edge is bonded with the surface of the protective cover through an adhesive.
According to the scheme, the annular space comprises the vibrating diaphragm mounting position and the glue overflow containing position which are communicated with each other, and redundant glue can flow into the glue overflow containing position to prevent the glue from overflowing when the vibrating diaphragm is bonded; glue flows into and overflows to glue and can be in the same place the periphery of vibrating diaphragm and the interior week bonding of protecting cover after holding the position, has further improved the bonding strength of vibrating diaphragm, prevents that the vibrating diaphragm is not hard up to drop.
According to the scheme, furthermore, along the thickness direction of the diaphragm, the height of the mounting position of the diaphragm is smaller than the thickness of the outer edge.
Therefore, the height of the diaphragm mounting position is smaller than the thickness of the outer edge, the diaphragm is clamped by the protective cover and the support, and the stability of the diaphragm is improved.
According to the scheme, the support is further provided with an annular groove, and the annular groove is communicated with the overflowing glue containing position.
Therefore, the annular groove is communicated with the glue overflow accommodating position, so that the volume of the glue overflow accommodating position is increased, and more adhesive can be accommodated.
According to the above aspect, the protective cover further includes a first connecting portion in an annular shape; the bracket comprises an annular vertical plate; the first connecting portion encircles the periphery at excessive gluey position of holding, and first connecting portion and riser be airtight connection.
Therefore, the first connecting portion is connected with the vertical plate in a sealing mode, the protecting cover seals the annular space from the outer side, and the glue in the glue overflowing containing position is prevented from overflowing again.
According to the scheme, the earphone speaker further comprises a tuning net; the washer comprises a first through hole, the magnet comprises a second through hole, the U cup comprises a third through hole, and the first through hole, the second through hole and the third through hole are sequentially communicated; magnet, U cup and tuning net set gradually, and the tuning net covers the third through-hole.
Therefore, the first through hole, the second through hole and the third through hole which are sequentially communicated enable the interior of the earphone loudspeaker to be communicated with the outside to form a sound adjusting hole, the air resistance of vibration of the vibrating diaphragm is reduced by the sound adjusting hole, the extension of sound is not blocked any more, the sound field is widened, and the sound quality of the loudspeaker is better; the tuning net covers the tuning hole and can control the ventilation quantity of the tuning hole, so that the ventilation quantity of the tuning hole is in a proper range, and the frequency output imbalance of sound caused by overlarge ventilation quantity is prevented.
According to the scheme, the first through hole, the second through hole and the third through hole are coaxially arranged, and the inner diameters of the first through hole, the second through hole and the third through hole are the same.
Therefore, the first through hole, the second through hole and the third through hole which are coaxially arranged and have the same inner diameter enable the inner wall of the ventilation channel to have better consistency, and air resistance when the vibrating diaphragm vibrates is reduced.
According to the scheme, the diameter of the diaphragm is 6-8 times of the inner diameter of the first through hole; and/or the mesh number of the tuning net is between 300 meshes and 500 meshes.
Therefore, the ventilating structure can balance the three-frequency vibration transient state of the vibrating diaphragm, so that the sound quality is clear in level sense, the bass is thick, the human voice is clear, and the treble is bright.
According to the scheme, the vibrating diaphragm comprises a first vibrating diaphragm and a second vibrating diaphragm surrounding the periphery of the first vibrating diaphragm; the first vibrating diaphragm and the second vibrating diaphragm are made of different materials; the outer diameter of the second diaphragm is 1.4 times to 1.6 times of the inner diameter of the second diaphragm; the outer edge is positioned on the second diaphragm.
Therefore, the first vibrating diaphragm and the second vibrating diaphragm are made of different materials, and materials can be selected according to actual requirements to obtain different tone quality effects. When the outer diameter of the second vibrating diaphragm is 1.4 to 1.6 times of the inner diameter of the second vibrating diaphragm, the three frequencies of the earphone loudspeaker are smooth and loose in tone quality.
Further according to the above aspect, the earpiece speaker comprises at least one of: the first diaphragm is made of closed-cell rigid foam material; the first diaphragm is made of bulletproof cloth; the second vibrating diaphragm is made of liquid silica gel.
Therefore, the liquid silica gel product has better elasticity performance, and has the excellent characteristics of no toxicity, environmental protection, low shrinkage rate, rebound resilience, high mechanical strength, flame retardance, fire resistance, capability of resisting high temperature of 200-300 ℃ and low temperature of minus 50 ℃, corrosion resistance and the like, and the use quality requirement of an application product is ensured; the closed-cell rigid foam material has the characteristics of light weight, high strength and good rigidity, and can better represent the medium and high tone quality of the loudspeaker; the material performance can be kept stable for a long time under the conditions of temperature of 180-240 ℃ and minus 40 ℃. It has excellent high temperature resistance, flame retardance and better electrical and mechanical properties. In the vibrating diaphragms made of the liquid silica gel and the closed-cell rigid foam materials, the liquid silica gel film is used on the second vibrating diaphragm and can emit high-quality bass; the hard closed-cell foam film can send high-quality medium-high frequency tone quality when used on the first vibrating diaphragm. The bulletproof cloth has the characteristics of good heat resistance and high strength, and the material performance can be kept stable for a long time at the temperature of 250 ℃. It has excellent high temperature resistance, flame retardance, no toxicity and better electrical and mechanical properties. The loudspeaker of the vibrating diaphragm formed by the liquid silica gel and the bulletproof cloth has an excellent low-frequency resonance effect of FO-at 250HZ, and can better guarantee the noise reduction design condition of the high-quality earphone.
In order to realize foretell second purpose, the utility model provides an earphone, including shell and earphone loudspeaker, have the loudspeaker installation cavity in the shell, be provided with the through-hole on the shell, through-hole and loudspeaker installation cavity intercommunication, earphone loudspeaker are located the loudspeaker installation cavity, and loudspeaker adopt arbitrary earphone loudspeaker in the above-mentioned scheme.
Drawings
Fig. 1 is a first view angle diagram of the earphone speaker according to the first embodiment of the present invention.
Fig. 2 is a structural diagram of a second viewing angle of the first embodiment of the earphone speaker of the present invention.
Fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.
Fig. 4 is an exploded view of the first embodiment of the earphone speaker of the present invention.
Fig. 5 is a partially enlarged view of fig. 3 at B.
Fig. 6 is a partially enlarged view at C in fig. 3.
Fig. 7 is a partial sectional view of a second embodiment of the earphone speaker of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1, 3 and 4, the earphone speaker includes a diaphragm 1, a cover 2, a bracket 3, a U-cup 4, a voice coil 5, a magnet 6, a tuning mesh 7 and a washer 8. As shown in fig. 3, in this embodiment, vibrating diaphragm 1, washer 8, magnet 6 and tuning net 7 set gradually along the direction from top to bottom, and the direction from top to bottom is the utility model discloses a thickness direction of loudspeaker and the thickness direction of vibrating diaphragm 1 and the direction of height of vibrating diaphragm installation position.
With reference to fig. 3 and 4, the bracket 3 includes a bottom plate 31 and a vertical plate 32 that are integrally formed and perpendicular to each other, the bottom plate 31 is circular, a circular opening is formed in the middle of the bottom plate 31, and the opening direction is from bottom to top; an annular standing plate 32 is located at the periphery of the bottom plate 31 and extends upward.
The bottom of the 4,U cup 4 with reference to fig. 3 and 5363 is provided with a third through hole 41, and the third through hole 41 is concentric with the U cup 41. The U cup 4 is inserted from the bottom of the bracket 3, and the outer wall surface of the U cup 4 is bonded with the inner wall surface of the bottom plate 31; the upper surface of the U-cup 4 is flush with the upper surface of the bottom plate 31.
Combine fig. 2, fig. 3 and fig. 5, the protecting cover 2 includes first connecting portion 21 and second connecting portion 22 that buckle and link to each other, first connecting portion 21 is the annular, first connecting portion 21 bonds the upper surface at riser 32 with sealed, the upper surface parallel arrangement of second connecting portion 22 and riser 32 forms annular space 100 between protecting cover 2 and the riser 32, annular space 100 includes vibrating diaphragm installation position 101 and the excessive glue that communicates each other and holds position 102, excessive glue holds the periphery that position 102 is located vibrating diaphragm installation position 101.
Referring to fig. 3 and 4, the diaphragm 1 includes a first diaphragm 11 and a second diaphragm 12. The outer diameter of the second diaphragm 12 is 1.4 to 1.6 times, preferably 1.5 times, the inner diameter thereof. The first diaphragm 11 is made of closed-cell rigid foam material or bulletproof cloth, and the second diaphragm 12 is made of liquid silica gel. The first diaphragm 11 includes an inner peripheral portion 1101 and an outer peripheral portion 1102, the inner peripheral portion 1101 being in a spherical dome shape; the second diaphragm 12 is ring-shaped, and the second diaphragm 12 includes an inner edge 1201 and an outer edge 1203, and an extended middle portion 1202 located between the inner edge 1201 and the outer edge 1203, where the inner edge 1201 and the outer edge 1203 extend in a horizontal direction; referring to fig. 6 again, along the radial direction of the second diaphragm 12, the cross-sectional profile of the extended middle portion 1202 includes an arch structure formed by a first arc segment 1204, a second arc segment 1205 and a third arc segment 1206 which are connected end to end, wherein the radius of the arc where the first arc segment 1204 is located is 0.5mm; the radius of the arc in which the second arc segment 1205 is located is 0.6mm; the radius of the arc in which the third arc segment 1206 lies is 0.4mm. Inner edge 1201 is stacked on top of outer peripheral portion 1102, and the lower surface of inner edge 1201 is bonded to the upper surface of outer peripheral portion 1102. The lower surface of the peripheral part 1102 is bonded with the voice coil 5, the extending direction of the voice coil 5 is from top to bottom, and the voice coil 5 extends downwards to the upper half part of the inside of the U-cup 4; a space is arranged between the voice coil 5 and the bottom of the U-shaped cup 4; the adhesive force is stronger when voice coil 5 and the first vibrating diaphragm 11 that obturator rigid foam material or shellproof cloth made bond, and voice coil 5 and first vibrating diaphragm 11 direct bonding can accept more vibration energy simultaneously, promote high frequency tone quality performance. Referring to fig. 5 again, the distance between the second connecting portion 22 and the vertical plate 32 is smaller than the thickness of the outer edge 1203, the upper and lower surfaces of the outer edge 1203 are coated with glue and then clamped by the second connecting portion 22 and the vertical plate 31, the upper and lower surfaces of the outer edge 1203 are respectively bonded with the second connecting portion 22 and the vertical plate 31, the excess coating glue flows into the overflow glue containing position 102, and the glue in the overflow glue containing position 102 bonds the first connecting portion 21 with the outer edge 1203.
Referring to fig. 3 and 4, the washer 8 and the magnet 6 are sequentially stacked inside the U cup, and the washer 8, the magnet 6 and the U cup 4 are sequentially bonded. The washer 8 comprises a first through hole 81, and the first through hole 81 and the washer 8 are arranged concentrically; the magnet 6 includes a second through hole 6, and the second through hole 6 is concentrically arranged with the magnet 6. Along the thickness direction of earphone loudspeaker, first through-hole 81, second through-hole 61 and third through-hole 41 communicate in proper order and set up with one another concentrically, and the internal diameter of first through-hole 81, second through-hole 61 and third through-hole 41 is the same. The outer diameter of the second diaphragm 12 is 6 to 8 times, preferably 7 times, the inner diameter of the first through hole 81. The tuning net 7 is adhered to the lower surface of the U-shaped cup 4 and covers the third through hole 41; the mesh number of the tuning net 7 is between 300 meshes and 500 meshes, and is preferably 400 meshes.
In other embodiments, the vertical plate 32 'of the bracket 3' is provided with an annular groove 3201, the concave direction of the annular groove 3201 is downward, the annular groove 3201 is communicated with the glue overflow receiving position, and the excessive glue can further flow into the annular groove 3201 after flowing into the glue overflow receiving position 102, so as to prevent the glue from overflowing.
This application still requests protection an earphone, earphone include shell and earphone loudspeaker, have the loudspeaker installation cavity in the shell, are provided with the through-hole on the shell, through-hole and loudspeaker installation cavity intercommunication, earphone loudspeaker are located the loudspeaker installation cavity, and loudspeaker adopt the earphone loudspeaker in above-mentioned embodiment.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. An earpiece speaker, comprising: the device comprises a protecting cover, a bracket, a U-shaped cup, a vibrating diaphragm, a washer and a magnet;
the U cup, the bracket and the vibrating diaphragm are sequentially connected;
the protecting cover is connected with the bracket and surrounds the periphery of the vibrating diaphragm;
the washer and the magnet are both positioned between the vibrating diaphragm and the U cup, and the washer, the magnet and the U cup are sequentially overlapped;
an annular space is formed between the protective cover and the bracket;
the method is characterized in that:
the annular space comprises a vibrating diaphragm mounting position and an overflow glue containing position which are communicated with each other, and the overflow glue containing position is arranged on the periphery of the vibrating diaphragm mounting position;
the outer edge of the diaphragm is located in the diaphragm mounting position, one side surface of the outer edge is bonded with the surface of the support through an adhesive, and the other side surface of the outer edge is bonded with the surface of the protective cover through an adhesive.
2. The earpiece speaker of claim 1, wherein:
along the thickness direction of the vibrating diaphragm, the height of the mounting position of the vibrating diaphragm is smaller than the thickness of the outer edge.
3. An earphone speaker as claimed in claim 1 or 2, wherein:
an annular groove is formed in the support and communicated with the glue overflowing containing position.
4. An earphone speaker as claimed in claim 1 or 2, wherein:
the protective cover comprises a first connecting part in an annular shape;
the bracket comprises an annular vertical plate;
the first connecting part surrounds the periphery of the excessive glue containing position, and the first connecting part is connected with the vertical plate in a sealing mode.
5. An earphone speaker as claimed in claim 1 or 2, wherein:
the earphone speaker further comprises a tuning net;
the washer comprises a first through hole, the magnet comprises a second through hole, the U cup comprises a third through hole, and the first through hole, the second through hole and the third through hole are sequentially communicated;
the magnet, the U cup with the tuning net sets gradually, the tuning net covers the third through-hole.
6. The earpiece speaker of claim 5, wherein:
the first through hole, the second through hole and the third through hole are concentrically arranged, and the inner diameters of the first through hole, the second through hole and the third through hole are the same.
7. The earpiece speaker of claim 5, wherein:
the outer diameter of the diaphragm is 6 times to 8 times of the inner diameter of the first through hole;
and/or the mesh number of the tuning net is between 300 meshes and 500 meshes.
8. An earphone speaker as claimed in claim 1 or 2, wherein:
the vibrating diaphragm comprises a first vibrating diaphragm and a second vibrating diaphragm surrounding the periphery of the first vibrating diaphragm;
the first vibrating diaphragm and the second vibrating diaphragm are made of different materials;
the outer diameter of the second diaphragm is 1.4 times to 1.6 times the inner diameter of the second diaphragm;
the outer edge is positioned on the second diaphragm.
9. The earpiece speaker of claim 8, wherein:
the earpiece speaker comprises at least one of:
the first diaphragm is made of closed-cell rigid foam material;
the first diaphragm is made of bulletproof cloth;
the second vibrating diaphragm is made of liquid silica gel.
10. An earphone, includes shell and earphone loudspeaker, its characterized in that: the earphone comprises a shell, and is characterized in that a loudspeaker installation cavity is formed in the shell, a through hole is formed in the shell, the through hole is communicated with the loudspeaker installation cavity, the earphone loudspeaker is located in the loudspeaker installation cavity, and the loudspeaker is the earphone loudspeaker according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223015371.6U CN218734877U (en) | 2022-11-11 | 2022-11-11 | Earphone loudspeaker and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223015371.6U CN218734877U (en) | 2022-11-11 | 2022-11-11 | Earphone loudspeaker and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218734877U true CN218734877U (en) | 2023-03-24 |
Family
ID=85617075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223015371.6U Active CN218734877U (en) | 2022-11-11 | 2022-11-11 | Earphone loudspeaker and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218734877U (en) |
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2022
- 2022-11-11 CN CN202223015371.6U patent/CN218734877U/en active Active
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Denomination of utility model: A type of earphone speaker and earphone Effective date of registration: 20230711 Granted publication date: 20230324 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN OCVACO ELECTRONIC Co.,Ltd. Registration number: Y2023980048072 |