CN218648966U - Sound basin structure of sound horn - Google Patents

Abstract

The utility model relates to the technical field of accessories of acoustic horns, in particular to a sound basin structure of an acoustic horn, which comprises a sound basin, a suspension edge, a dustproof cap and a voice coil electric connection end, wherein the inner side of an opening at the bottom end of the sound basin is fixed with a voice coil fixing ring through a strong glue; the voice coil electricity connection end is installed on the sound cone between the voice coil fixing ring and the dustproof cap. The utility model uses the voice coil fixing ring as the connecting part of the voice coil bracket, can enlarge the bonding area of the bonding part between the voice coil bracket and the cone, and can achieve relative stable connection without using ultrasonic welding technology; can reduce equipment cost's input, through the institutional advancement to voice coil electricity end, can make the insulating nature between two contacts no longer receive the humid air influence in the plum rain season to make stereo set loudspeaker can remain good vocal effect throughout.

Description

Sound basin structure of sound horn

Technical Field

The utility model relates to a stereo set loudspeaker accessory technical field specifically is a sound basin structure of stereo set loudspeaker.

Background

The sound horn is the main sounding part of the sound or the sound box, the sound cone is one of the main spare parts for driving air vibration in the horn to generate sound, the sound cone of the existing sound horn mainly comprises a suspension edge, a sound cone and a dustproof cap, the voice coil is fixed with the center of the bottom of the sound cone in a gluing mode, the bottom of the sound cone is only of a circular perforated structure at present, the voice coil support and the sound cone are fixed, the part in bonding contact is only the section of the sound cone, and the sound horn can still keep good sounding effect in long-time playing for guaranteeing bonding effectiveness.

After the viscose is coated between most loudspeaker sound basins and the voice coil support at present, the loudspeaker sound basins and the voice coil support still need to be welded through ultrasonic waves, so that the stability of connection between the sound basins and the voice coil support is improved, the ultrasonic waves are welded, and the cost of assembly equipment is increased.

In addition, the guide wire of the voice coil in the existing sound speaker mainly has two wiring modes, one mode is that two wires are directly welded on the guide wire from the outside of the voice coil (namely, the guide wire is not contacted with a cone between the cone and an elastic wave, and the connection mode is generally used in the manufacturing process of the speaker of a large sound speaker) to be electrically connected with a wiring terminal on a cone bracket, and the other mode is that the guide wire of the voice coil is penetrated from the bottom of the cone and then welded on a preset soldering tin contact on the inner side of the cone, and then two wires are welded on a corresponding soldering tin contact on the outside of the cone and then electrically connected with the wiring terminal on the cone bracket; however, in the two wiring modes, effective protection measures are lacked between the lead wire and the lead wire of the voice coil or between the lead wire and the soldering tin contact outside the sound cone, the welding point part on the lead wire or the sound cone is exposed outside, oxidation is easy to occur, and particularly, the paper sound cone which is used most widely at present has strong moisture absorption, when the paper sound cone is used in plum rain seasons for a long time, the insulativity between the contact and the contact is reduced, a weak electric leakage phenomenon can occur, and the phenomena of distortion or sound effect deterioration are easy to occur.

Therefore, a sound cone structure of the acoustic horn is provided.

SUMMERY OF THE UTILITY MODEL

To above-mentioned background art and provide, with regard to the installation between the basin of present stereo set loudspeaker and the voice coil support and the connecing of voice coil seal wire not enough that exists, the utility model provides a stereo set loudspeaker's basin structure.

The utility model discloses a sound cone structure of stereo set loudspeaker, connect the electrical terminal including sound cone, dangling limit, dust cap and voice coil loudspeaker voice coil, dangling limit is fixed on the top of sound cone, is used for fixing the top of sound cone to the top of sound cone support on the one hand, and on the other hand is then for the vibration of sound cone provides the displacement space, the dust cap bonds in the position that the sound cone is inboard and be close to the bottom, and the dust cap is used for preventing dust to voice coil loudspeaker voice coil and voice coil loudspeaker voice coil support and T iron and magnetite clearance of the inboard bottom of sound cone, can remove in the clearance between T iron and magnetite after guaranteeing that voice coil loudspeaker voice coil circular telegram produces the magnetic field, the inboard of sound cone bottom opening is fixed with voice coil loudspeaker voice coil solid fixed ring through the powerful glue; the voice coil electrical connection end is arranged on the voice cone between the voice coil fixing ring and the dustproof cap;

the voice coil fixing ring comprises a clamping ring, a clamping groove used for being clamped with a basin edge at the bottom end of the sound basin is formed in the middle of the upper edge of the clamping ring, a ring groove is formed in the position, close to the bottom end, of the inner side of the clamping ring through an integrally formed inner ring, the ring wall of the inner ring is flat in design, the width of the ring wall is 2-3 times of the thickness of the basin edge at the bottom end of the sound basin, and a plurality of through holes are formed in the middle of the inner ring at equal intervals around the circumference;

the voice coil electric connection end comprises an insulating rubber sheet adhered to the inner side of the cone through strong compound glue, two T-shaped conductive pins fixed on the insulating rubber sheet, and an insulating silicon rubber sleeve sleeved on each T-shaped conductive pin.

Furthermore, the top end of the insulating silica gel leather sheath is designed into a T-shaped structure, the insulating silica gel leather sheath penetrates through the inner side of the sound basin to the outer side of the sound basin and is fixed through super glue, and the top end of the insulating silica gel leather sheath is fixedly bonded between the insulating rubber sheet and the sound basin.

Furthermore, an electric connecting wire is wrapped inside the insulating silica gel leather sleeve, one end of the electric connecting wire is welded with the T-shaped conductive pin inserted inside the insulating silica gel leather sleeve, and the other end of the electric connecting wire is used for being connected with an electric connecting terminal on the cone support.

Furthermore, the tail end of the insulating silica gel leather sheath is also integrally formed with a lower edge leather tube tightly sleeved on the power connection lead, a filament spring is embedded and fixed in the tail end of the insulating silica gel leather sheath, and one end of the filament spring is sleeved on the outer side of the lower edge leather tube.

Furthermore, the outer side of the cone is provided with a reinforcing ring in a spiral shape.

Further, the dustproof cap is by the end cap of calotte design and integrated into one piece along just being the portion of pasting of the angle design of turning up outside the end cap and constitute, and the inboard mounted position that corresponds dustproof cap of cone still integrated into one piece has the round holding ring, and the top integrated into one piece of this holding ring has the arc wall that is the indent, this arc wall and the bottom shape adaptation of portion of pasting.

Further, the dangling limit includes the elasticity leather collar, and the inboard border of this elasticity leather collar has seted up the round and has been used for bonding and joint sound basin on the bonding groove of edge, elasticity leather collar outside integrated into one piece has the round clamping ring, a plurality of ring channels have been seted up to the bottom of clamping ring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses on traditional sound basin structure basis, the sound circle solid fixed ring of fixing a plastics of gluing is as the adapting unit of voice coil support on the opening of sound basin bottom, combines the inner circle design of sound circle solid fixed ring inboard, can enlarge the area of contact of bonding part between sound circle coil support and the sound basin, only need bond through the adhesive and can, need not reuse ultrasonic wave technical butt fusion and can reach effective and stable connection; in addition, through the structural improvement of the voice coil power connection end, effective insulation isolation can be implemented between the power connection part on the outer side of the voice cone and the power connection welding point on the inner side of the voice cone, when two guide wires of the voice coil are connected with power, the insulation between the two contacts is not affected by humid air in plum rain seasons, and therefore the sound horn can keep a good sound production effect all the time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the suspended edge section structure of the present invention;

fig. 3 is a schematic structural view of the voice coil fixing ring of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 1;

fig. 6 is an enlarged schematic view of the structure at C in fig. 1.

In the figure: 1. a sound basin; 101. a reinforcement ring; 102. a positioning ring; 2. hanging edges; 201. an elastic leather collar; 202. pressing a ring; 203. an adhesive groove; 204. an annular groove; 3. a dust cap; 301. an end cap; 302. a sticking part; 4. a voice coil fixing ring; 401. a snap ring; 402. an inner ring; 403. perforating; 5. the voice coil is connected with the electric end; 501. insulating rubber sheets; 502. a T-shaped conductive pin; 503. strong insulating compound glue; 504. an insulating silicone rubber sleeve; 505. a lower edge leather hose; 506. connecting a power lead; 507. a filament spring.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in a simplified schematic manner in the drawings.

Technical solutions between the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a cone structure of a sound horn;

the first embodiment is as follows:

in 1 structural design of sound basin to stereo set loudspeaker and the assembly process between the voice coil former, there is the effective bonding area of contact undersize between sound basin 1 and the voice coil former, need just can guarantee the problem of stability of being connected between sound basin 1 and the voice coil former with the help of ultrasonic fusion technique, we design one kind and can not reach the sound basin 1 structure of fine bonding stable effect equally with the help of ultrasonic fusion technique.

In this embodiment: referring to fig. 1 and 2, the voice cone fixing device specifically comprises a voice cone 1, a hanging edge 2, a dust cap 3 and a voice coil connection end 5, wherein the hanging edge 2 is fixed at the top end of the voice cone 1, the hanging edge 2 comprises an elastic leather collar 201, a circle of bonding groove 203 used for bonding and clamping the upper edge of the voice cone 1 is formed in the edge of the inner side of the elastic leather collar 201, a circle of pressing ring 202 is integrally formed on the outer side of the elastic leather collar 201, a plurality of annular grooves 204 are formed in the bottom of the pressing ring 202, the annular grooves 204 are mainly designed to form annular wavy veins at the bottom of the pressing ring 202, the contact area between the pressing ring 202 and a bracket of the voice cone 1 when the pressing ring 202 is bonded and a strong adhesive is increased, so that the fixing firmness of the voice cone 1 is improved, the dust cap 3 is bonded at the inner side of the voice cone 1 and at a position close to the bottom end, and a voice coil fixing ring 4 is fixed on the inner side of the opening at the bottom end of the voice cone 1 through the strong adhesive; and the voice coil electric connection end 5 is arranged on the sound cone 1 between the voice coil fixing ring 4 and the dustproof cap 3.

Referring to fig. 3 and 5, the voice coil fixing ring 4 includes a snap ring 401, a middle portion of an upper edge of the snap ring 401 is provided with a clamping groove for clamping with a bottom basin edge of the sound basin 1, a position of an inner side of the snap ring 401 near the bottom end further forms a ring groove through an integrally formed inner ring 402, a ring wall of the inner ring 402 is in a flat design, a width of the ring wall is 2-3 times of a thickness of the basin edge of the bottom end of the sound basin 1, the ring wall is used for increasing a contact area when the voice coil support is bonded with the sound basin 1, and the middle portion of the inner ring 402 is provided with a plurality of through holes 403 at equal intervals around a circumference; an annular groove is defined by the inner ring 402 on the inner side of the snap ring 401, the annular groove is mainly used for injecting fluid-shaped super glue into the inner part before the voice coil support is inserted, according to the fluid state of the super glue during injection (further, it needs to be further explained that glue used for production and assembly of the acoustic horn is generally fluid but not liquid), a small part of the fluid-shaped super glue overflows to the inner side of the inner ring 402 from the through hole 403 before the voice coil support is inserted, the voice cone 1 is slightly twisted by the mechanical arm, so that the super glue can be fully distributed between the inner ring 402 and the voice coil support, and after subsequent baking is waited, the super glue is solidified, and the fixing of the voice coil support and the voice cone 1 can be completed.

When a loudspeaker adopting the paper cone 1 is used in plum rain season at present, because the moisture absorption of the paper cone 1 is strong, the air humidity in the plum rain season is high, the insulativity of the cone 1 is reduced, the insulativity between contacts used for conveying current for a voice coil is weakened compared with the dry period, and a weak electric leakage phenomenon exists, and according to the working principle of the loudspeaker, different sounds sent by the loudspeaker mainly depend on the strength of the current conveyed to the voice coil, so that the magnetic fields with different strengths can be generated, the moving amplitude of a coil support of the voice coil is changed, the cone 1 is driven to vibrate, once the weak electric leakage phenomenon occurs, the current conveyed to the voice coil cannot reach a preset value, although the normal occurrence of the loudspeaker is not influenced, the distortion phenomenon of different degrees can occur in comparison with the normal situation in the sound effect, the phenomenon mainly depends on the moisture degree of the paper cone, therefore, the distortion degree cannot be expected, and in order to solve the phenomenon, the conventional electric welding spot terminal structure of the voice cone 1 is improved.

Referring to fig. 1 and 4, in particular, the voice coil electrical connection terminal 5 includes an insulating rubber sheet 501 adhered to the inner side of the cone 1 through a strong insulating compound adhesive 503, two T-shaped conductive pins 502 fixed on the insulating rubber sheet 501, and an insulating silicone rubber sleeve 504 sleeved on each T-shaped conductive pin 502; firstly, an insulating rubber sheet 501 is fixed on the cone 1 through a strong insulating compound adhesive 503, and then the T-shaped conductive pin 502 is insulated and protected by an insulating silica gel leather sheath 504, so that the T-shaped conductive pin 502 is fundamentally prevented from contacting the cone 1, the insulativity of the welding contact position on the cone 1 is not influenced by the cone 1, and the accuracy of the sounding of the sound horn is ensured.

Referring to fig. 4, in order to avoid the T-shaped conductive pin 502 from contacting the cone 1 as much as possible and ensure the insulation effect, the top end of the insulating silicone rubber sleeve 504 is designed to be T-shaped, the insulating silicone rubber sleeve 504 penetrates from the inner side of the cone 1 to the outer side of the cone 1 and is fixed by strong glue, and the top end of the insulating silicone rubber sleeve 504 is fixedly adhered between the insulating rubber sheet 501 and the cone 1.

The loudspeaker sound production is that the sound disk vibrates back and forth with high frequency to drive the air to vibrate and send out, and after the guide wire of the voice coil is connected on the welding spot of the cone 1 at present, the outside welding wire is connected with the contact on the support of the cone 1, the contact welding is exposed for a long time, on one hand, the contact is easy to be oxidized, on the other hand, the connection between the wire and the welding spot, the guide wire of the wire is easy to be damaged under the influence of high frequency vibration for a long time, in order to avoid the problem, an electric connection wire 506 is wrapped in the insulating silica gel cover 504, one end of the electric connection wire 506 is welded with a T-shaped conductive pin 502 inserted in the insulating silica gel cover 504, and the other end of the electric connection wire 506 is used for being connected with an electric connection terminal on the support of the cone 1. The tail end of the insulating silica gel leather sheath 504 is also integrally formed with a lower edge leather tube 505 tightly sleeved on the power connection lead 506, a thin wire spring 507 is embedded and fixed in the tail end of the insulating silica gel leather sheath 504, one end of the thin wire spring 507 is sleeved outside the lower edge leather tube 505, the welding point positions of the power connection lead 506 and the T-shaped conductive pin 502 are completely sealed in the insulating silica gel leather sheath 504, the contact between the welding point position and the outside air is avoided, the oxidation of the welding point can be prevented or slowed down, then the lower edge leather tube 505 and the spring are used as vibration protection of the welding end of the power connection lead 506, and the influence of high-frequency vibration on the lead close to the welding point position can be reduced.

Referring to fig. 1, in order to improve the strength of the paper cone 1, a reinforcing ring 101 is spirally provided on the outer side of the cone 1, and it should be noted that: the design of the reinforcing ring 101 is determined according to the material selected for the cone 1.

Example two:

in this embodiment: referring to fig. 6, the dust cap 3 of the conventional acoustic horn is a simple dome cap design, and the position correction when the dust cap is bonded to the cone 1 mainly depends on whether the position of the cone 1 or the dust cap is horizontal, so that the dust cap 3 is bonded to be inclined once the cone 1 or the dust cap 3 is slightly inclined, in order to solve the problem, the dust cap 3 is composed of an end cap 301 with a dome design and a bonding part 302 which is integrally formed at the outer edge of the end cap 301 and is designed to be an outward-turned angle, and a circle of positioning ring 102 is further integrally formed at the inner side of the cone 1 corresponding to the mounting position of the dust cap 3, and an inward-concave arc-shaped groove is integrally formed at the top of the positioning ring 102 and is matched with the shape of the bottom of the bonding part 302;

the positioning ring 102 is mainly used for positioning the dustproof cap 3 at the inner side of the sound basin 1, even if the sound basin 1 or the dustproof cap 3 slightly inclines during bonding, the positioning ring 102 can well provide positioning for an operator, and the dustproof cap can be prevented from being inclined.

In addition, in some loudspeaker manufacturing processes adopting full-automatic production lines, a mechanical sucker and a pressing device are adopted for sucking and assembling the dustproof cap, and in the process of adhering the dustproof cap 3, if the dustproof cap 3 or the sound cone 1 slightly inclines, the dustproof cap means that one side of the dustproof cap 3 is firstly contacted with the inner wall of the sound cone 1, and the dustproof cap 3 needs to be pressed downwards through the pressing device for positioning, so that one side firstly contacted with the sound cone 1 is firstly contacted with the positioning ring 102, the positioning ring 102 prevents the side from continuously moving downwards, the moving process of the downward moving device does not reach a preset value and can be continuously pressed downwards, a fulcrum is formed at the position firstly contacted with the positioning ring 102, the sound cone is forced to be corrected towards the horizontal direction, and after the downward pressing device is reset, the sound cone 1 can still recover to the original state after losing the downward pressure, but at the moment, the dustproof cap 3 is accurately installed in the sound cone 1. (it should be further noted that the cone 1 itself is connected to the cone 1 support by the elastic suspension edge 2, and the bottom of the cone is connected to the voice coil support, and the voice coil support is located on the cone 1 support by the elastic wave, so that the cone 1 is inclined at a certain angle and the function of the cone 1 is damaged).

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a sound box structure of stereo set loudspeaker, includes sound basin (1), hangs limit (2), dustproof cap (3) and voice coil loudspeaker voice coil and connects electrical terminal (5), hang limit (2) and fix the top at sound basin (1), dustproof cap (3) bonding is in sound basin (1) inboard and be close to the position of bottom, its characterized in that: the voice coil fixing ring (4) is fixed on the inner side of the opening at the bottom end of the voice basin (1) through strong glue; the voice coil electric connection end (5) is arranged on the sound basin (1) between the voice coil fixing ring (4) and the dustproof cap (3);

the voice coil fixing ring (4) comprises a clamping ring (401), a clamping groove used for clamping with a basin edge at the bottom end of the sound basin (1) is formed in the middle of the upper edge of the clamping ring (401), a ring groove is formed in the position, close to the bottom end, of the inner side of the clamping ring (401) through an integrally formed inner ring (402), the ring wall of the inner ring (402) is in a flat design, the width of the ring wall is 2-3 times of the thickness of the basin edge at the bottom end of the sound basin (1), and a plurality of through holes (403) are formed in the middle of the inner ring (402) at equal intervals around the circumference;

the voice coil electric connection end (5) comprises an insulating rubber sheet (501) adhered to the inner side of the cone (1) through strong composite glue (503), two T-shaped conductive pins (502) fixed on the insulating rubber sheet (501), and an insulating silica gel leather sleeve (504) sleeved on each T-shaped conductive pin (502).

2. The cone structure of an acoustic horn of claim 1, wherein: the top end of the insulating silica gel leather sheath (504) is designed into a T-shaped structure, the insulating silica gel leather sheath (504) penetrates through the outer side of the sound basin (1) from the inner side of the sound basin (1) and is fixed through strong glue, and the top end of the insulating silica gel leather sheath (504) is fixedly bonded between the insulating rubber sheet (501) and the sound basin (1).

3. The bowl structure of an acoustic horn of claim 2, wherein: an electric connecting lead (506) is wrapped inside the insulating silica gel leather sheath (504), one end of the electric connecting lead (506) is welded with a T-shaped conductive pin (502) inserted inside the insulating silica gel leather sheath (504), and the other end of the electric connecting lead (506) is used for being connected with an electric connecting terminal on a support of the cone (1).

4. The bowl structure of an acoustic horn of claim 1, wherein: the tail end of the insulating silica gel leather sheath (504) is also integrally formed with a lower edge leather tube (505) tightly sleeved on the power connection lead (506), a filament spring (507) is embedded and fixed in the tail end of the insulating silica gel leather sheath (504), and one end of the filament spring (507) is sleeved on the outer side of the lower edge leather tube (505).

5. The bowl structure of an acoustic horn of claim 1, wherein: the outside of the cone (1) is provided with a reinforcing ring (101) in a spiral shape.

6. The bowl structure of an acoustic horn of claim 1, wherein: dustproof cap (3) are followed and are the portion of pasting (302) of the angle design of turning up by end cap (301) and integrated into one piece outside end cap (301) and constitute, and the inboard of sound basin (1) corresponds the mounted position of dustproof cap (3) and still integrated into one piece has round holding ring (102), and the top integrated into one piece of this holding ring (102) has the arc wall that is the indent, this arc wall and the shape adaptation of portion of pasting (302) bottom.

7. The bowl structure of an acoustic horn of claim 1, wherein: dangling limit (2) are including elasticity leather collar (201), and the bonding groove (203) that the round was used for bonding and joint sound basin (1) was gone up to the border of this elasticity leather collar (201) inboard has been seted up, elasticity leather collar (201) outside integrated into one piece has round clamping ring (202), a plurality of ring channels (204) have been seted up to the bottom of clamping ring (202).

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