CN218830494U

CN218830494U - Loudspeaker mounting structure with reduce resonance effect

Info

Publication number: CN218830494U
Application number: CN202222091083.2U
Authority: CN
Inventors: 许妹; 薛奇
Original assignee: Suiping Qingshiqiao Electronic Technology Co ltd
Current assignee: Suiping Qingshiqiao Electronic Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-04-07
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a loudspeaker mounting structure with reduce resonance effect, including shell and damper, the upside outer end of shell installs the protection casing through bolt and first nut, the inner chamber bottom surface of shell is fixed with the iron core, the upside of iron core is equipped with armature, two bilateral symmetry's cavities are seted up to the iron core inside, are equipped with the coil respectively in this cavity, the right side of iron core is fixed with the terminal box, be equipped with the terminal that extends to the shell bottom outside in the terminal box; damper includes guide post, movable plate, damping spring and second nut, this loudspeaker mounting structure with reduce resonance effect, connects through the damper through indirect formula between diaphragm and the shell, when avoiding the diaphragm vibration and take place the friction between the shell, greatly reduced the resonance effect when using, greatly reduced the noise that produces because of resonance when loudspeaker use, improved the impression when user uses moreover.

Description

Loudspeaker mounting structure with reduce resonance effect

Technical Field

The utility model belongs to the technical field of loudspeaker, especially, relate to a loudspeaker mounting structure with reduce resonance effect.

Background

The loudspeaker is a very common electroacoustic transducer, the performance of the loudspeaker has a great influence on the sound quality, the loudspeaker is of various types and has a great price difference, and audio electric energy enables a cone or a diaphragm to vibrate and generate resonance with the surrounding air to make a sound through electromagnetic, piezoelectric or electrostatic effects.

At present, most of the cones or diaphragms of the loudspeakers on the market are in a fixed state with the shell, and when the loudspeaker is used, sound resonance is easily generated, so that the noise generated due to resonance when the loudspeaker is used is increased, and the quality when the loudspeaker is used is reduced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a loudspeaker mounting structure with reduce resonance effect connects through the damper through indirect formula between diaphragm and the shell, when avoiding the diaphragm vibration and take place the friction between the shell, greatly reduced the resonance effect when using, greatly reduced the noise that produces because of resonance when loudspeaker use, improved the impression when user uses moreover.

In order to achieve the above object, the utility model provides a following technical scheme:

a horn installation structure with a resonance reduction effect comprises a shell and a damping mechanism, wherein a protective cover is installed at the outer end of the upper side of the shell through a bolt and a first nut, an iron core is fixed on the bottom surface of an inner cavity of the shell, an armature is arranged on the upper side of the iron core, two bilaterally symmetrical cavities are formed in the iron core, coils are respectively arranged in the cavities, a junction box is fixed on the right side of the iron core, and a binding post extending to the outer side of the bottom of the shell is arranged in the junction box; damping mechanism includes guide post, movable piece, damping spring and second nut, the inner chamber bottom surface of shell is fixed with two bilateral symmetry's guide post, the upper end side sliding connection of guide post has the movable piece, the inboard of movable piece is fixed with the diaphragm that is located directly over the armature, damping spring has all been cup jointed to the side of guide post, damping spring's upper end is fixed in the bottom side of movable piece, damping spring's bottom mounting is in the bottom surface of shell inner chamber, the upper end of guide post is equipped with the external screw thread, and the upper end difference spiro union of guide post has the second nut, connects through indirect damping mechanism between diaphragm and the shell, takes place the friction between avoiding the diaphragm vibration and the shell, greatly reduced the resonance effect when using, greatly reduced the noise that produces because of resonance when loudspeaker use, improved the impression when user uses moreover.

Furthermore, the side of the guide column is sleeved with the rubber gasket attached between the movable sheet and the second nut, so that the movable sheet is prevented from being in contact with the second nut to generate resonance, and the using effect is ensured.

Compared with the prior art, the beneficial effects of the utility model are that: the diaphragm is connected with the shell through the indirect damping mechanism, friction occurs between the diaphragm and the shell when the diaphragm vibrates, the resonance effect is greatly reduced when the loudspeaker is used, noise generated due to resonance is greatly reduced when the loudspeaker is used, the feeling of a user is improved when the loudspeaker is used, the rubber gasket attached between the movable piece and the second nut is sleeved on the side face of the guide column, resonance is prevented from being generated when the movable piece is in contact with the second nut, and the using effect is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the structure comprises a shell 1, a bolt 2, a first nut 3, a protective cover 4, a damping mechanism 5, a guide column 51, a movable piece 52, a damping spring 53, a second nut 54, an iron core 6, a junction box 7, a binding post 8, an armature 9, a diaphragm 10, a rubber gasket 11, a cavity 12 and a coil 13.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The embodiment is as follows:

referring to the attached drawing 1, the horn mounting structure with the resonance reduction effect comprises a shell 1 and a damping mechanism 5, wherein a protective cover 4 is mounted at the outer end of the upper side of the shell 1 through a bolt 2 and a first nut 3, an iron core 6 is fixed on the bottom surface of an inner cavity of the shell 1, an armature 9 is arranged on the upper side of the iron core 6, two bilaterally symmetrical cavities 12 are formed in the iron core 6, coils 13 are respectively arranged in the cavities 12, a junction box 7 is fixed on the right side of the iron core 6, and a binding post 8 extending to the outer side of the bottom of the shell 1 is arranged in the junction box 7; the damping mechanism 5 comprises guide posts 51, movable plates 52, damping springs 43 and second nuts 54, two bilaterally symmetrical guide posts 51 are fixed on the bottom surface of an inner cavity of the shell 1, the movable plates 52 are slidably connected to the side surfaces of the upper ends of the guide posts 51, the diaphragm 10 located right above the armature 9 is fixed on the inner sides of the movable plates 52, the damping springs 53 are sleeved on the side surfaces of the guide posts 51, the upper ends of the damping springs 53 are fixed on the bottom sides of the movable plates 52, the bottom ends of the damping springs 53 are fixed on the bottom surface of the inner cavity of the shell 1, external threads are arranged at the upper ends of the guide posts 51, the second nuts 54 are respectively screwed on the upper ends of the guide posts 51, the diaphragm 10 and the shell 1 are connected through the indirect damping mechanism 5, friction between the diaphragm 10 and the shell 1 when vibrating is avoided, the resonance effect during use is greatly reduced, noise generated by resonance when the loudspeaker is used is greatly reduced, and the feeling of a user is improved.

The side surface of the guide column 51 is sleeved with the rubber gasket 11 attached between the movable sheet 52 and the second nut 54, so that the movable sheet 52 is prevented from contacting the second nut 54 to generate resonance, and the using effect is ensured.

The working principle is as follows: when the coil 13 is introduced with alternating current, and is attracted or repelled by the armature 9, thereby the diaphragm 10 vibrates up and down in a reciprocating manner, thereby sound is produced, when the diaphragm 10 vibrates up and down in a reciprocating manner, the movable sheet 52 is driven to vibrate slightly along the guide post 51 under the action of the damping spring 53, the resonance effect caused when the diaphragm 10 is in direct contact with the shell 1 is reduced, the friction between the diaphragm 10 and the shell 1 when the diaphragm 10 vibrates is avoided, the resonance effect when the loudspeaker is used is greatly reduced, the noise generated by resonance when the loudspeaker is used is greatly reduced, the feeling when a user uses is improved, the rubber gasket 11 attached between the movable sheet 52 and the second nut 54 is sleeved on the side surface of the guide post 51, the movable sheet 52 is prevented from contacting with the second nut 54 to generate resonance, and the use effect is ensured.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a loudspeaker mounting structure with reduce resonance effect, includes shell and damper, the protection casing is installed through bolt and first nut to the upside outer end of shell, the inner chamber bottom surface of shell is fixed with the iron core, the upside of iron core is equipped with armature, the inside cavity of seting up two bilateral symmetry of iron core is equipped with the coil in this cavity respectively, the right side of iron core is fixed with the terminal box, be equipped with the terminal that extends to the shell bottom outside in the terminal box, its characterized in that: damper includes guide post, movable piece, damping spring and second nut, the inner chamber bottom surface of shell is fixed with the guide post of two bilateral symmetry, the upper end side sliding connection of guide post has the movable piece, the inboard of movable piece is fixed with the diaphragm that is located directly over the armature, damping spring has all been cup jointed to the side of guide post, damping spring's upper end is fixed in the bottom side of movable piece, damping spring's bottom mounting is in the bottom surface of shell inner chamber, the upper end of guide post is equipped with the external screw thread, and the upper end difference spiro union of guide post has the second nut.

2. A horn mounting structure with a resonance-reducing effect as set forth in claim 1, wherein: and the side surface of the guide post is sleeved with a rubber gasket attached between the movable sheet and the second nut.