CN211930862U - Loudspeaker - Google Patents

Abstract

The utility model discloses a loudspeaker, loudspeaker includes: a rear cover; the magnetic circuit system is arranged on the rear cover and is provided with a magnetic gap; the vibration system comprises a voice coil, and the voice coil is suspended in the magnetic gap; the bracket is arranged on one side of the magnetic circuit system, which is back to the rear cover, and a supporting platform is convexly arranged on the periphery of the bracket; the lead wire of the voice coil is led to the support platform from the side, back to the magnetic circuit system, of the support platform, and the support platform enables the lead wire of the voice coil to form a gap with the peripheral side of the magnetic circuit system. The utility model aims at providing a voice coil wire is from inside when realizing the lead wire, avoids voice coil wire and magnet contact and takes place the speaker of short circuit, and when this speaker made things convenient for the voice coil wire to draw forth, improved the stability of producing the product performance, reduced the assembly complexity.

Description

Loudspeaker

Technical Field

The utility model relates to an acoustics equipment technical field, in particular to speaker.

Background

A speaker plays an indispensable role in a sound reproduction system as a common electroacoustic transducer device for converting electric energy into acoustic energy. The loudspeaker is the weakest component in the sound reproduction system, and is the most important component for the sound reproduction effect. The loudspeaker has various types, and audio electric energy causes a cone or a diaphragm to vibrate and generate resonance with surrounding air to make sound through electromagnetic, voltage or electrostatic effects. Therefore, people can hear wonderful sound just with the appearance of the loudspeaker and the receiver.

At present, after the voice coil is wound to the voice coil framework, the upper margin or the lower margin of the voice coil with enough area needs to be reserved on the upper side and the lower side of the voice coil to serve as welding areas of an electric connection wire and a voice coil wire. Therefore, a relatively large up-and-down vibration space is required for a loudspeaker product, but in the existing small-size loudspeaker, in the process that the voice coil wire is led out from the inner coil to the outside of the shell, the voice coil wire has the risk of contact short circuit with the magnet, and the voice coil wire outside the shell is completely exposed outside, so that the risk of contact short circuit or damage open circuit is increased.

The above description is only for the purpose of aiding understanding of the technical solutions of the present application and does not represent an admission of prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a speaker, when aiming at providing a voice coil line and realizing the lead wire from inside, avoid voice coil line and magnet contact and take place the speaker of short circuit, when this speaker makes things convenient for the voice coil line to draw forth, improved the stability of producing the performance, reduced the assembly complexity.

In order to achieve the above object, the present invention provides a speaker, the speaker includes:

a rear cover;

the magnetic circuit system is arranged on the rear cover and is provided with a magnetic gap;

the vibration system comprises a voice coil, and the voice coil is suspended in the magnetic gap; and

the bracket is arranged on one side of the magnetic circuit system, which is back to the rear cover, and a supporting platform is convexly arranged on the periphery of the bracket;

the lead wire of the voice coil is led to the support platform from the side, back to the magnetic circuit system, of the support platform, and the support platform enables the lead wire of the voice coil to form a gap with the peripheral side of the magnetic circuit system.

In an embodiment, a guide groove is formed in a side of the bracket facing away from the magnetic circuit system, the guide groove is arranged corresponding to the support platform, and a lead of the voice coil extends along the guide groove and abuts against the support platform.

In one embodiment, the guide groove includes a first section and a second section that are communicated with each other, the first section extends from a side of the support near the voice coil to a periphery of the support, the second section is located at the periphery of the support and extends along a thickness direction of the support, and the support platform is located near an end of the second section, which is far away from the first section.

In one embodiment, an end of the first section, which is far away from the second section, is in flaring arrangement;

and/or an arc-shaped surface is formed at one end of the support platform, which is far away from the support;

and/or the lead wire of the voice coil is fixed in the guide groove through dispensing.

In one embodiment, a supporting protrusion is convexly arranged on the periphery of the rear cover, and the supporting protrusion is arranged corresponding to the supporting platform;

the lead wire of the voice coil is respectively abutted against the support platform and the support bulge, and the support platform and the support bulge are matched to enable the lead wire of the voice coil and the peripheral side of the magnetic circuit system to form the gap.

In one embodiment, a clamping groove is concavely formed on one side of the supporting protrusion, which faces away from the periphery of the rear cover, and the lead wire of the voice coil is clamped in the clamping groove.

In one embodiment, the notch of the clamping groove is in flaring arrangement;

and/or the lead wire of the voice coil is fixed in the clamping groove through dispensing.

In an embodiment, the speaker further includes a housing connected to the back cover, the housing and the back cover enclose to form an installation cavity, the magnetic circuit system, the vibration system and the bracket are all accommodated in the installation cavity, a slot communicating with the installation cavity is concavely provided on an inner wall of the housing, the slot extends along a direction from the support platform to the support protrusion, and at least part of the support platform and the support protrusion extend into the slot.

In an embodiment, the speaker further includes a terminal disposed on one side of the back cover facing away from the housing, a hook disposed at an interval with the terminal is disposed on one side of the back cover facing away from the housing, the hook corresponds to the wire slot and the supporting protrusion, and an end of the lead of the voice coil extending out of the wire slot is connected to the hook and connected to the terminal.

In one embodiment, the magnetic circuit system comprises a magnetic yoke, a magnet and a washer, the magnetic yoke is arranged on the rear cover in an inverted T shape, the magnet is sleeved on one side of the magnetic yoke, which is back to the rear cover, the washer is arranged on one side of the magnet, which is back to the magnetic yoke, the magnet, the washer and the magnetic yoke form the magnetic gap, one side of the bracket, which faces the washer, is provided with a limit step, and one side of the washer, which is far away from the magnetic gap, is limited on the limit step;

and/or, the vibration system further comprises a vibrating diaphragm fixed on one side of the voice coil, the vibrating diaphragm comprises a fixed part, a folding ring part and a ball top part, the folding ring part and the ball top part are integrally arranged on the fixed part, the ball top part is located on the inner side of the folding ring part, and the fixed part is connected with one side, back to the magnetic circuit system, of the support.

The utility model discloses technical scheme's speaker sets up the support through the one side at magnetic circuit back lid to through the protruding brace table that establishes in the periphery of support, when making the lead wire of voice coil loudspeaker voice coil cause the support periphery from one side of support magnetic circuit dorsad, utilize the brace table ejecting or prop up with the lead wire of voice coil loudspeaker voice coil, thereby make the lead wire of voice coil loudspeaker voice coil and magnetic circuit's week side form the clearance, so effectively avoided the lead wire of voice coil loudspeaker voice coil to cause week side and magnetic circuit contact and take place the risk of short circuit. The utility model provides a when the lead wire of voice coil loudspeaker voice coil is drawn forth not only to make things convenient for the speaker, improved the stability of producing the product performance, reduced the assembly complexity.

Drawings

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

Fig. 1 is a schematic structural diagram of a speaker according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural view of another view angle of the speaker according to an embodiment of the present invention;

fig. 4 is a schematic view of a part of a speaker according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

fig. 6 is an enlarged schematic view at C in fig. 4.

The reference numbers illustrate:

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

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in 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 or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a loudspeaker 100. It is understood that the speaker 100 is applied to an electronic device or a sound generating device, and the electronic device or the sound generating device may be a headset, a sound box, a television, a computer, and the like, and is not limited herein.

Referring to fig. 2, fig. 4 and fig. 5, in an embodiment of the present invention, the speaker 100 includes a back cover 1, a magnetic circuit system 3, a vibration system 4 and a bracket 5, wherein the magnetic circuit system 3 is disposed on the back cover 1, and the magnetic circuit system 3 is provided with a magnetic gap 31; the vibration system 4 comprises a voice coil 41, and the voice coil 41 is suspended in the magnetic gap 31; the bracket 5 is arranged on one side of the magnetic circuit system 3, which faces away from the rear cover 1, and a supporting platform 51 is convexly arranged on the periphery of the bracket 5. In the present embodiment, the lead 42 of the voice coil 41 is led to the support platform 51 from the side of the support 5 facing away from the magnetic circuit system 3, and the support platform 51 forms a gap 6 between the lead 42 of the voice coil 41 and the peripheral side of the magnetic circuit system 3.

In the present embodiment, the back cover 1 is used for supporting, mounting and protecting the magnetic circuit system 3, the vibration system 4 and the bracket 5, and the structure of the back cover 1 may be a casing, a mounting case, a mounting cover, a mounting plate or a mounting platform, which is not limited herein. The magnetic circuit system 3 may be fixedly disposed on the back cover 1, for example, by welding or interference fit, so as to improve the installation stability of the magnetic circuit system 3. In other embodiments, the magnetic circuit system 3 may be detachably disposed on the back cover 1, for example, by using a snap connection, a plug-in fit, a screw connection, a pin connection, or a screw connection, which may be any structure that can realize the detachable connection between the magnetic circuit system 3 and the back cover 1, so as to improve the convenience of assembling and disassembling the speaker 100, and facilitate replacement or maintenance of the magnetic circuit system 3. Of course, other auxiliary structures, such as a snap structure, a connector, etc., may be used to achieve the detachable connection, and are not limited herein.

It can be understood that magnetic circuit 3 is provided with magnetic gap 31, make voice coil 41 of vibration system 4 hang and locate in magnetic gap 31, thereby make voice coil 41 switch on with external circuit through voice coil 41's lead wire 42, utilize voice coil 41 to transmit electric energy to magnetic gap 31 of magnetic circuit 3, make the magnetic field that magnetic circuit 3 produced convert the electric energy into mechanical energy, thereby make voice coil 41 vibrate, and drive vibration system 4 and realize rotating the sound production, further convert mechanical energy into acoustic energy. That is, after the voice coil 41 disposed in the magnetic gap 31 receives the externally varying alternating current signal, the voice coil makes a reciprocating motion of cutting the magnetic lines of force under the driving of the magnetic field force of the magnetic circuit system 3, so as to drive the diaphragm 43 of the vibration system 4 to vibrate and generate sound.

In the present embodiment, by disposing the support 5 on the side of the magnetic circuit system 3 facing away from the back cover 1, the lead 42 of the voice coil 41 is separated from the magnetic circuit system 3 by the support 5, so as to avoid the lead 42 from contacting the magnetic circuit system 3 and causing short circuit. Furthermore, by convexly arranging the support table 51 on the periphery of the support 5, the lead 42 of the voice coil 41 is led to the support table 51 from the side of the support 5 opposite to the magnetic circuit system 3, and is ejected or supported by the support table 51, so that the lead 42 of the voice coil 41 and the peripheral side of the magnetic circuit system 3 form a gap 6, and thus, the lead 42 is effectively prevented from contacting the peripheral side of the magnetic circuit system 3 to generate short circuit.

It is understood that the bracket 5 and the magnetic circuit system 3 may be fixedly connected, for example, by welding or interference fit, so as to improve the connection stability of the bracket 5 and the magnetic circuit system 3. In other embodiments, for convenience of detachment, replacement or maintenance, the bracket 5 and the magnetic circuit system 3 may be detachably connected, for example, by using a snap connection, a plug-in fit, a screw connection, a pin connection, or a threaded connection, as long as the bracket 5 and the magnetic circuit system 3 can be detachably connected, and certainly, in order to realize the detachable connection, other auxiliary structures, such as a snap structure and a connecting piece, may also be used, which is not limited herein.

The utility model discloses technical scheme's speaker 100 is through setting up support 5 in one side of magnetic circuit 3 lid 1 behind the back, and through protruding brace table 51 of establishing at the periphery of support 5, make voice coil loudspeaker voice coil 41's lead wire 42 when leading to support 5 periphery from one side of support 5 magnetic circuit 3 behind the back, utilize brace table 51 ejecting or prop up voice coil loudspeaker voice coil 41's lead wire 42, thereby make voice coil loudspeaker voice coil 41's lead wire 42 and magnetic circuit 3's week side form the clearance, the risk that the short circuit takes place so effectively avoided voice coil loudspeaker voice coil 41's lead wire 42 to lead to week side and magnetic circuit 3 contact. The utility model provides a when speaker 100 not only made things convenient for voice coil 41's lead wire 42 to draw forth, improved the stability of producing the performance, reduced the assembly complexity.

In one embodiment, as shown in fig. 2, 4 and 5, a guide groove 52 is provided on a side of the bracket 5 facing away from the magnetic circuit system 3, the guide groove 52 is provided corresponding to the support base 51, and the lead 42 of the voice coil 41 extends along the guide groove 52 and abuts against the support base 51.

As can be understood, by providing the guide slot 52 on the support 5, on one hand, the lead 42 of the voice coil 41 is smoothly routed by using the guide slot 52; on the other hand, the lead 42 is limited and fixed by the guide groove 52 of the bracket 5, so that the lead 42 supported by the support platform 51 is prevented from sliding off the support platform 51 in the vibration process of the voice coil 41, and the lead 42 is prevented from being in contact with the peripheral side of the magnetic circuit system 3 to generate short circuit; in yet another aspect, the guide slot 52 may be used to give way to the lead 42 to avoid the lead 42 from interfering with the mounting of other components in the speaker 100.

In the present embodiment, the extension length of the support platform 51 on the periphery of the bracket 5 (i.e. the length connected with the periphery of the bracket 5) is greater than the length of the projection of the guide groove 52 on the periphery of the bracket 5. It will be appreciated that the guiding slot 52 may be a surface of the bracket 5 extending from a side close to the magnetic gap 31 towards the periphery of the bracket 5 and extending through the side of the bracket 5 facing away from the magnetic circuit system 3 in this direction, so as to facilitate smooth routing of the lead 42.

In one embodiment, as shown in fig. 4 and 5, the guide groove 52 includes a first section 521 and a second section 522 which are communicated with each other, the first section 521 extends from a side of the support 5 close to the voice coil 41 to a periphery of the support 5, the second section 522 is located at the periphery of the support 5 and extends along a thickness direction of the support 5, and the support base 51 is located adjacent to an end of the second section 522 away from the first section 521.

In this embodiment, the depth of the first section 521 of the guide groove 52 (i.e. the distance between the bottom wall of the guide groove 52 and the upper end surface of the support 5 in the direction perpendicular to the upper end surface of the support 5) is less than or equal to the depth of the second section 522 of the guide groove 52 (i.e. the distance between the bottom wall of the guide groove 52 and the upper end surface of the support 5 in the direction perpendicular to the upper end surface of the support 5), so that the protection of the lead 42 of the voice coil 41 running in the guide groove 52 of the support 5 is facilitated, and the lead 42 is guided by the cooperation of the second section 522 of the guide groove 52 and the support 51, so as to avoid the lead 42 tilting toward the upper end surface of the support 5 and interfering with the installation of other components.

It can be understood that the junction between the bottom wall of the first section 521 and the bottom wall of the second section 522 of the guiding groove 52 is rounded, so as to protect the lead 42.

In one embodiment, as shown in FIG. 4, an end of the first section 521 remote from the second section 522 is flared. It will be appreciated that the first section 521 is disposed in a flared arrangement towards the end into which the lead 42 enters, thereby facilitating easy entry of the lead 42 into the guide slot 52.

In one embodiment, as shown in fig. 4 and 5, an end of the support platform 51 away from the support 5 is formed with an arc-shaped surface 511. It will be appreciated that the arcuate surface 511 is located on the side of the support platform 51 facing away from the rear cover 1 and away from the periphery of the support 5, so as to avoid damage to the leads 42 caused by the corners of the support platform 51.

In one embodiment, the lead 42 of the voice coil 41 is fixed in the guide groove 52 by dispensing. It can be understood that, by such an arrangement, the lead 42 is effectively and firmly fixed in the guide groove 52 by means of dispensing, and the movement of the lead 42 caused by the vibration of the voice coil 41 is effectively avoided, so as to avoid the risk of slipping off the support platform 51.

In an embodiment, as shown in fig. 2, 3, 4 and 6, a supporting protrusion 11 is protruded on a periphery of the rear cover 1, and the supporting protrusion 11 is disposed corresponding to the supporting platform 51. In the present embodiment, the lead 42 of the voice coil 41 abuts against the support base 51 and the support boss 11, respectively, and the support base 51 cooperates with the support boss 11 to form the gap 6 between the lead 42 of the voice coil 41 and the peripheral side of the magnetic circuit system 3.

In this embodiment, the supporting protrusion 11 is protruded from the periphery of the back cover 1, so that the supporting protrusion 11 is disposed corresponding to the supporting base 51, and the lead 42 is lifted or supported by the supporting protrusion 11 and the supporting base 51, so as to ensure that the gap 6 is formed between the lead 42 and the peripheral side of the magnetic circuit system 3, thereby further avoiding the short circuit phenomenon caused by the contact between the lead 42 and the magnetic circuit system 3.

It is understood that the support platform 51 may be a protrusion, a boss, a rib, etc., and is not limited thereto. The support protrusion 11 may be a protrusion, a boss, a convex strip, or the like, and is not limited herein. In the present embodiment, the side of the supporting platform 51 away from the bracket 5 protrudes out of the peripheral side of the magnetic circuit system 3, so that the supporting platform 51 can support or jack the lead 42 conveniently, and thus a gap 6 is formed between the lead 42 and the peripheral side of the magnetic circuit system 3, and short circuit caused by contact is avoided. One side of the supporting protrusion 11, which is far away from the rear cover 1, protrudes out of the peripheral side of the magnetic circuit system 3, so that the supporting protrusion 11 can conveniently support or jack the lead 42, and thus the gap 6 is formed between the lead 42 and the peripheral side of the magnetic circuit system 3, and short circuit caused by contact is avoided.

In an embodiment, as shown in fig. 3, 4 and 6, a clamping groove 12 is concavely formed on a side of the supporting protrusion 11 facing away from the periphery of the rear cover 1, and the lead 42 of the voice coil 41 is clamped in the clamping groove 12. It can be understood that, by arranging the clamping groove 12 on the supporting protrusion 11, the limiting of the lead 42 by the clamping groove 12 is facilitated, and the lead 42 is prevented from sliding off the supporting protrusion 11 and being in contact with the magnetic circuit system 3 to cause a short circuit.

In one embodiment, as shown in fig. 6, the notch of the locking slot 12 is flared. It can be understood that the arrangement is convenient for the lead 42 to be smoothly clamped into the clamping groove 12, and the installation convenience is improved.

In one embodiment, the lead 42 of the voice coil 41 is fixed in the slot 12 by dispensing. It can be understood that, by such an arrangement, the lead 42 is effectively and firmly fixed in the slot 12 by dispensing, and the lead 42 is prevented from moving when the voice coil 41 vibrates, so that the risk of slipping off the supporting protrusion 11 is avoided.

In an embodiment, as shown in fig. 1, fig. 2 and fig. 3, the speaker 100 further includes a housing 2 connected to the back cover 1, the housing 2 and the back cover 1 enclose a mounting cavity 22, the magnetic circuit system 3, the vibration system 4 and the bracket 5 are all accommodated in the mounting cavity 22, a wire slot 21 communicating with the mounting cavity 22 is recessed in an inner wall of the housing 2, the wire slot 21 extends along a direction from the support platform 51 to the support protrusion 11, and the support platform 51 and the support protrusion 11 at least partially extend into the wire slot 21.

In this embodiment, by providing the housing 2, the housing 2 and the rear cover 1 are enclosed to form the mounting cavity 22, so that the magnetic circuit system 3, the vibration system 4 and the bracket 5 are all accommodated in the mounting cavity 22, and thus the housing 2 and the rear cover 1 are used to mount, protect and fix the magnetic circuit system 3, the vibration system 4 and the bracket 5 of the speaker 100.

It can be understood that, further by disposing the wire casing 21 on the inner wall of the housing 2, the wire casing 21 is disposed corresponding to the supporting platform 51 and the supporting protrusion 11, and is disposed to extend along the direction from the supporting platform 51 to the supporting protrusion 11, so that the supporting platform 51 and the supporting protrusion 11 at least partially extend into the wire casing 21, so that the lead 42 is accommodated in the wire casing 21, on one hand, the lead 42 is protected, on the other hand, the lead 42 is limited, and the lead 42 is prevented from sliding off the supporting platform 51 and/or the supporting protrusion 11 due to displacement.

In the present embodiment, the opening width of the wire casing 21 is the same as or slightly larger than the length of the support stage 51 and/or the support protrusion 11, so as to ensure that the gap between the side wall of the wire casing 21 and the support stage 51 and/or the support protrusion 11 is smaller than the diameter of the lead 42.

In an embodiment, as shown in fig. 2, fig. 3 and fig. 4, the speaker 100 further includes a terminal 7 disposed on a side of the rear cover 1 facing away from the housing 2, a hook 13 disposed at an interval with the terminal 7 is further disposed on a side of the rear cover 1 facing away from the housing 2, the hook 13 is disposed corresponding to the wire slot 21 and the supporting protrusion 11, and one end of the lead 42 of the voice coil 41 extending out of the wire slot 21 is clamped to the hook 13 and connected to the terminal 7.

In the present embodiment, the terminal 7 is provided on the rear cover 1 of the speaker 100, so that the speaker 100 is powered by conduction between the terminal 7 and an external circuit. The hook 13 is arranged on the back cover 1, so that one end of the lead wire 42 extending out of the wire casing 21 is limited on one side of the back cover 1 back to the shell 2 by the hook 13. It is understood that the hook 13 may be a clamping groove, an inverted L-shaped structure, or any other structure capable of clamping and limiting the lead 42, and is not limited herein.

It can be understood that, the end of the lead wire 42 of the voice coil 41 extending out of the wire slot 21 is connected in series with a capacitor and then connected with the terminal 7, the hook 13 is formed with a clamping slot, and the notch of the clamping slot faces the rear cover 1, so that the lead wire 42 is conveniently limited in the clamping slot of the hook 13. In order to avoid the lead 42 from falling off or sliding out from the clamping groove of the clamping hook 13, a limiting table is further convexly arranged at the notch of the clamping groove towards the rear cover 1, and the distance between the limiting table and the rear cover 1 is smaller than the diameter of the lead 42, so that the lead 42 is ensured not to fall off or slide out from the clamping groove.

In an embodiment, as shown in fig. 2 and 4, the magnetic circuit system 3 includes a magnetic yoke 32, a magnet 33, and a washer 34, the magnetic yoke 32 is disposed on the back cover 1 in an inverted T shape, the magnet 33 is sleeved on a side of the magnetic yoke 32 facing away from the back cover 1, the washer 34 is disposed on a side of the magnet 33 facing away from the magnetic yoke 32, the magnetic gap 31 is formed between the magnet 33 and the washer 34 and the magnetic yoke 32, a limit step 53 is disposed on a side of the bracket 5 facing the washer 34, and a side of the washer 34 away from the magnetic gap 31 is limited by the limit step 53.

In this embodiment, magnetic yoke 32 is the setting of type of falling T, and magnetic yoke 32 includes the connecting portion of being connected with back lid 1 and the protruding tube-shape portion of locating connecting portion lid 1 one side behind the back, and the tube-shape portion is the tubular structure, and magnet 33 and magnificent 34 are the loop configuration, and magnet 33 and magnificent 34 cover are located the tube-shape portion for magnet 33 is connected with connecting portion lid 1 one side behind the back, forms magnetic gap 31 between the outer wall of the inner circle of magnet 33 and magnificent 34 and the tube-shape portion of magnetic yoke 32, makes things convenient for voice coil 41 to hang and locates in magnetic gap 31.

It can be understood that the limiting step 53 is arranged on one side, facing the washer 34, of the support 5, so that the washer 34 can be conveniently limited and mounted by the limiting step 53, and mounting stability is improved.

In an embodiment, as shown in fig. 2, the vibration system 4 further includes a diaphragm 43 fixed to one side of the voice coil 41, the diaphragm 43 includes a fixed portion 431, a folded-ring portion 432 integrally disposed with the fixed portion 431, and a dome portion 433 located inside the folded-ring portion 432, and the fixed portion 431 is connected to one side of the bracket 5 facing away from the magnetic circuit system 3. It can be understood that the fixing portion 431, the corrugated rim portion 432 and the spherical top portion 433 of the diaphragm 43 are integrally formed, the corrugated rim portion 432 is of a concave/convex structure, the fixing portion 431 is located at the outermost periphery of the diaphragm 43, and the spherical top portion 433 is located at the center of the diaphragm 43 or inside the corrugated rim portion 432.

In this embodiment, the fixing portion 431 of the diaphragm 43 is connected to the side of the support 5 facing away from the washer 34, so as to facilitate the fixed installation of the diaphragm 43 and ensure that the voice coil 41 is suspended in the magnetic gap 31. It can be understood that, as shown in fig. 2 and 4, a protruding ring 54 is convexly provided on a side of the support 5 facing away from the washer 34, and the fixing portion 431 of the diaphragm 43 is provided with a groove 434 corresponding to the protruding ring 54, so that the protruding ring 54 is accommodated and limited in the groove 434, thereby improving the connection stability of the diaphragm 43 and the support 5.

The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. A loudspeaker, characterized in that the loudspeaker comprises:

a rear cover;

the magnetic circuit system is arranged on the rear cover and is provided with a magnetic gap;

the vibration system comprises a voice coil, and the voice coil is suspended in the magnetic gap; and

the bracket is arranged on one side of the magnetic circuit system, which is back to the rear cover, and a supporting platform is convexly arranged on the periphery of the bracket;

the lead wire of the voice coil is led to the support platform from the side, back to the magnetic circuit system, of the support platform, and the support platform enables the lead wire of the voice coil to form a gap with the peripheral side of the magnetic circuit system.

2. The loudspeaker according to claim 1, wherein a guide groove is provided on a side of the bracket facing away from the magnetic circuit system, the guide groove is provided corresponding to the support base, and a lead wire of the voice coil extends along the guide groove and abuts against the support base.

3. The speaker of claim 2, wherein the guide groove includes a first section and a second section that are connected to each other, the first section extending from a side of the support near the voice coil to a periphery of the support, the second section being located at the periphery of the support and extending in a thickness direction of the support, the support being located adjacent to an end of the second section that is away from the first section.

4. A loudspeaker according to claim 3, wherein the end of the first section remote from the second section is flared;

and/or an arc-shaped surface is formed at one end of the support platform, which is far away from the support;

and/or the lead wire of the voice coil is fixed in the guide groove through dispensing.

5. The loudspeaker according to any one of claims 1 to 4, wherein the rear cover is provided with a support protrusion protruding from a periphery thereof, the support protrusion corresponding to the support base;

the lead wire of the voice coil is respectively abutted against the support platform and the support bulge, and the support platform and the support bulge are matched to enable the lead wire of the voice coil and the peripheral side of the magnetic circuit system to form the gap.

6. The speaker of claim 5 wherein a side of said support protrusion facing away from said rear cover periphery is recessed with a notch into which a lead of said voice coil is engaged.

7. The loudspeaker of claim 6, wherein the notch of the card slot is flared;

and/or the lead wire of the voice coil is fixed in the clamping groove through dispensing.

8. The loudspeaker of claim 5, further comprising a housing connected to the back cover, the housing and the back cover enclosing a mounting cavity, the magnetic circuit system, the vibration system and the bracket being accommodated in the mounting cavity, a wire groove communicating with the mounting cavity being recessed in an inner wall of the housing, the wire groove extending in a direction from the support platform to the support protrusion, and the support platform and the support protrusion extending at least partially into the wire groove.

9. The speaker of claim 8, further comprising a terminal disposed on a side of the back cover opposite to the housing, wherein a hook is disposed on a side of the back cover opposite to the housing and spaced from the terminal, the hook is disposed corresponding to the wire slot and the supporting protrusion, and an end of the lead of the voice coil extending out of the wire slot is clamped to the hook and connected to the terminal.

10. The loudspeaker according to claim 1, wherein the magnetic circuit system comprises a magnetic yoke, a magnet and a washer, the magnetic yoke is arranged on the back cover in an inverted T shape, the magnet is sleeved on one side of the magnetic yoke, which faces away from the back cover, the washer is arranged on one side of the magnet, which faces away from the magnetic yoke, the magnet and the washer form the magnetic gap with the magnetic yoke, one side of the bracket, which faces the washer, is provided with a limit step, and one side of the washer, which is away from the magnetic gap, is limited on the limit step;

and/or, the vibration system further comprises a vibrating diaphragm fixed on one side of the voice coil, the vibrating diaphragm comprises a fixed part, a folding ring part and a ball top part, the folding ring part and the ball top part are integrally arranged on the fixed part, the ball top part is located on the inner side of the folding ring part, and the fixed part is connected with one side, back to the magnetic circuit system, of the support.

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