CN212910039U - Novel bullet ripples structure suitable for ultra-thin speaker - Google Patents

Abstract

The utility model relates to a novel elastic wave structure suitable for an ultrathin loudspeaker, which comprises two groups of strip-shaped corrugated structures, wherein the corrugated structures are arranged along the length direction of an elastic wave body and are respectively positioned at the edges of two long edges, and each group of corrugated structures consists of a plurality of elastic waves which are arranged at intervals; still include bonding portion, it is formed by the outside horizontal extension of bullet ripples body edge outside the ripple structure for direct bonding speaker drum paper. The utility model discloses optimized the structure of circular or oval bullet ripples structure in the past, adopted the rectangle bullet ripples structure that has two sets of bar elasticity ripples, not only can avoid forming many rings of ripples at voice coil loudspeaker voice coil subassembly outward flange and encircle range upon range of complicated assembly methods, still do benefit to ultra-thin speaker's altitude control and maintain stable performance, also reduced the defective rate.

Description

Novel bullet ripples structure suitable for ultra-thin speaker

Technical Field

The utility model relates to an electroacoustic product technical field especially relates to a conveniently be applicable to novel bullet ripples structure of ultra-thin speaker.

Background

The loudspeaker is commonly called a loudspeaker, is used for completing the conversion between an electric signal and a sound signal, and is an energy conversion device. The loudspeaker usually comprises a vibration system and a magnetic circuit system, wherein the vibration system comprises a vibrating diaphragm, a voice coil and an elastic wave sleeved outside the voice coil, the vibrating diaphragm and the voice coil are combined together, the elastic wave is also called as a centering support piece and is used for preventing the voice coil and the vibrating diaphragm from polarization, and the elastic wave is one of indispensable parts of the loudspeaker.

Because the damper is an important component of the speaker system, the relevant vibration coefficient has a certain influence on the sound quality of the speaker, and the effect of the damper on the speaker system is not negligible. For example, it facilitates maintaining the correct position of the voice coil in the magnetic gap; for another example, it is used to ensure that the vibration system reciprocates axially when the voice coil is stressed; for another example, it, together with the voice coil and diaphragm of the vibration system, determines the resonance efficiency of the speaker; furthermore, it is also advantageous to prevent dust from entering the magnetic gap.

The conventional damper structure is usually implemented by connecting a ring of corrugations into a ring structure, the inner edge of the ring is fixed to the voice coil, and the outer edge of the ring is fixed to the housing of the loudspeaker. Although the ripples of the elastic wave have various shapes, the elastic waves can be divided into a plurality of types according to the different shapes of the ripples, and the ripples commonly used at present comprise triangular ripple elastic waves and semicircular ripple elastic waves, wherein the triangular ripple elastic waves have better supporting performance but are easy to generate abnormal sound; although the semicircular corrugated elastic waves have better acoustic performance and do not generate abnormal sound, the semicircular corrugated elastic waves have poor support and stability, and the low-frequency performance is easy to greatly reduce after a reliability test is carried out on the semicircular corrugated elastic waves.

The utility model discloses technical scheme's research personnel through to in the past the structure of playing the ripples and the discovery after the usage is carried out the analysis again, traditional play ripples structure in the past often demonstrates because of the inherent defect of structural design leads to in the aspect of the limitation of using, mainly because traditional play ripples structure is mostly circular or oval, its occupation space is big, the design of giving ultra-thin speaker has increased the difficulty, especially can't ensure when being applied to ultra-thin speaker that the size after this kind of speaker assembly can inject in certain extent, especially produce great influence to the holistic altitude control of this kind of speaker.

Therefore, the utility model discloses technical scheme's research and development personnel conclude through concluding up the summary through the bullet ripples structural defect that is used for above situation, made clear the utility model discloses technical scheme needs the problem of key solution, and current bullet ripples often demonstrate lower matching degree assembling in ultra-thin speaker promptly, if do not carry out optimal design to the structure and be applied to ultra-thin speaker by force then can lead to the ultra-thin speaker height (be thickness) hard to control to design or assembly, can't prescribe a limit to the holistic size of speaker.

To sum up the analysis, the utility model discloses technical scheme's technical personnel just combine on the basis of present actual demand, propose further optimization to the play ripples structure in this technical field, propose a novel play ripples structure suitable for ultra-thin speaker, it has optimized the structure that ring shape was played the ripples structure in the past, adopts the rectangle that has single circle elasticity ripple to play the ripples structure and avoid forming many circles ripple at voice coil loudspeaker voice coil assembly region and encircle to do benefit to ultra-thin speaker height control and maintain holistic stable performance. The practical application of a plurality of designers and users can be known, and the technical scheme provided by the invention can relieve, partially solve or completely solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

To above defect, the utility model provides a novel play ripples structure suitable for ultra-thin speaker, it has optimized the structure of annular bullet ripples structure in the past, adopts the rectangle that has single circle elastic ripple to play ripples structure and avoid forming the structure that many circles ripple surrounded in voice coil loudspeaker voice coil assembly region to do benefit to ultra-thin speaker height control and maintain stable performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel play ripples structure suitable for ultra-thin speaker, its play ripples body surface sets up a plurality of pilot holes to the pilot hole that is in left and right both sides forms the voice coil loudspeaker voice coil fixed orifices that is used for installing speaker voice coil loudspeaker voice coil subassembly, should play the ripples structure and include:

the two groups of strip-shaped corrugated structures are arranged along the length direction of the elastic wave body and are respectively positioned at the edges of the two long sides, and each group of corrugated structures is composed of a plurality of elastic corrugations which are arranged at intervals;

the bonding part is formed by horizontally extending outwards from the edge of the elastic wave body outside the corrugated structure and is used for directly bonding the loudspeaker drum paper;

and the side positions are positioned at the two wide sides of the damper body and are spaced from the inner wall surface of the loudspeaker.

According to the technical scheme, technicians can combine the conventional technical means to perform corresponding supplement and limitation, so that various technical schemes which are beneficial to different requirements can be formed, and the technical scheme comprises the following steps:

the elastic wave body can preferably adopt a rectangular structure;

the voice coil fixing hole can be preferably rectangular;

wherein the elastic corrugation may preferably adopt a convex arch structure.

Correspondingly, the surface of the damper body with the elastic corrugated bulges faces downwards and is assembled on the loudspeaker.

The skilled person can also combine the existing conventional technical means to further design the corresponding technical means of the elastic corrugation, including:

the elastic corrugations in the same group are all positioned on the same straight line;

the elastic wave body is not provided with elastic waves in the area where each side edge is located;

spacing holes are formed between every two adjacent elastic corrugations;

in addition, the length of the corrugated structure is smaller than that of the elastic wave body;

the horizontal height of the damper body assembled inside the loudspeaker is lower than the height of the top of the voice coil assembly.

The utility model discloses optimized the structure of circular or oval bullet ripples structure in the past, adopted the rectangle bullet ripples structure that has two sets of bar elasticity ripples, not only can avoid forming many rings of ripples at voice coil loudspeaker voice coil subassembly outward flange and encircle range upon range of complicated assembly methods, still do benefit to ultra-thin speaker's altitude control and maintain stable performance, also reduced the defective rate.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of a novel damper structure suitable for an ultra-thin speaker according to the present invention, with a bottom view angle as a reference;

fig. 2 is a schematic plan view of a novel damper structure suitable for an ultra-thin speaker implemented by the present invention;

fig. 3 is a schematic perspective view of the novel damper structure suitable for the ultra-thin speaker according to the present invention, with a top view angle as a reference;

fig. 4 is a schematic side view of a novel damper structure for an ultra-thin speaker according to the present invention;

fig. 5 is a schematic side view of a novel damper structure for an ultra-thin speaker according to the present invention;

fig. 6 is a schematic view of a novel damper structure applied to an ultra-thin speaker according to the present invention, which is applied to a first assembly of the speaker;

fig. 7 is a schematic view of a novel damper structure applied to an ultra-thin speaker according to the present invention, which is applied to a speaker assembly;

fig. 8 is an assembly diagram illustrating the application of a conventional damper to a speaker.

In the figure:

1. a damper body;

2. a voice coil fixing hole;

3. elastic corrugation;

4. a spacer hole;

5. an adhesive portion;

6. a side position;

7. a voice coil assembly;

8. a speaker body.

Detailed Description

The utility model discloses technical scheme's novel play ripples structure suitable for ultra-thin speaker, the aim at that the technical means implemented will reach solves traditional play ripples structure because of mostly circular or directed circular and occupation space is big, leads to often to demonstrate lower matching degree and higher limitation when assembling in ultra-thin speaker, and this can make the ultra-thin speaker height (being thickness) of design or assembly be difficult to control, can't prescribe a limit to the holistic size of speaker.

The technical proposal of the utility model is mainly to solve the technical problem by optimizing the shape and the structure of the elastic wave. In addition, because the purpose that the bullet ripples design was used is different with the demand, the utility model discloses technical scheme focus is on the bullet ripples structure, especially under it is applied to ultra-thin speaker state, obviously, the utility model discloses a technical scheme does not just relate to corresponding technical means such as bullet ripples material, local size yet, and the technical staff in the field all knows, as long as can implement the utility model discloses technical scheme concrete structure all belongs to the conventional technical means in this field to the selection such as the material of bullet ripples, local size, and further, the utility model discloses the embodiment need not more and will refine out through the bullet ripples structure of implementing such as different sizes, materials, and these all can refer to the utility model discloses technical scheme implements, and the usable technical means in this field of technical staff in the field accomplishes, and it is unrealistic if all enumerate. Therefore, the utility model discloses the technical scheme who implements is a structure that can let the bullet ripples optimization that technical staff in the field combines conventional technological means to refer to and implement in fact, and the technical staff carries out practical application and test according to the product structure that this application formed according to application condition and the application demand of difference, can actually obtain its a series of advantages of bringing, and these advantages will gradually embody in following analysis to the system architecture.

As shown in fig. 1-8, the novel damper structure applied to the ultra-thin speaker according to the present invention includes a damper body 1 having a rectangular structure, wherein a plurality of assembling holes are formed on the surface of the damper body 1, and the assembling holes on the left and right sides form a voice coil fixing hole 2 for mounting a voice coil assembly 7 (see fig. 6-7 for specific assembling manner).

Correspondingly, the implemented damper body 1 sets up a set of strip-shaped corrugated structures at the edges of two long sides of the rectangular structure respectively along the length direction (i.e. the long side of the rectangle or the length direction of the applied speaker), each set of corrugated structures is composed of a plurality of elastic corrugations 3 arranged at intervals, and a spacing hole 4 is arranged between every two adjacent elastic corrugations 3, the elastic corrugations 3 are arch-shaped structures and all the elastic corrugations 3 located in the same set are located on the same straight line, and simultaneously, the elastic corrugations 3 are arranged into two strips at the edges of two long sides of the damper body 1 respectively, and the length of each strip is smaller than that of the damper body 1. The two implemented corrugated structures are arranged at the periphery of the voice coil assembly 7, and after the voice coil assembly 7 is assembled in the corresponding voice coil fixing hole 2, the periphery of the voice coil assembly 7 is not laminated with the surrounding corrugated structures, but is replaced by a plurality of elastic corrugations 3, and the functions of the corrugations can be stably exerted, so that the defect that the overall thickness of the loudspeaker is increased due to the height increase of the applied loudspeaker voice coil part can be avoided through the elastic corrugations 3.

Furthermore, the edge of the elastic wave body 1 outside each group of the implemented corrugated structures extends outwards horizontally to form a bonding part 5 for directly bonding the loudspeaker drum paper, two wide sides of the implemented elastic wave body 1 form side positions 6, and the area is free of any elastic corrugation 3, meanwhile, a sufficient distance is reserved between each side position 6 and the inner wall surface of the loudspeaker body 8 to perform other loudspeaker auxiliary design, the defect that no other assembling space exists because the traditional elastic wave is completely attached to the inner wall surface of the loudspeaker body 8 is overcome (specifically, reference can be made to fig. 6 and 8 for comparison), and the side positions 6 do not need to be attached to the loudspeaker body 8, so that the length of the loudspeaker body 1 is reduced, and the size of the ultrathin loudspeaker is further reduced.

As shown in fig. 6 and 8, the above technical solution of the present invention provides a novel damper structure suitable for an ultra-thin speaker, as can be seen from the comparison between the application state of the damper of the present invention shown in fig. 6 and the application state of the conventional damper shown in fig. 8, first, the conventional damper has a circular or elliptical structure, the corrugated coil is squashed around the outer edge of the voice coil assembly 7, which not only increases the difficulty of assembling the voice coil assembly 7, but also affects the height (or thickness) of the loudspeaker, the elastic ripple 3 adopted by the utility model is not around the outer edge of the voice coil assembly 7, but is near the edge of the loudspeaker body 8, so that the stacking phenomenon does not exist, the horizontal height of the elastic ripple body 1 assembled inside the loudspeaker is lower than the height of the top of the voice coil assembly 7, the elastic ripple 3 can not only play a role of itself, but also avoid the defect that the height of the loudspeaker is difficult to limit due to the fact that the disc is squat at the outer edge of the voice coil assembly 7; secondly, the tradition plays ripples both sides and extends to the internal face of two broadsides of speaker body 8 and pastes tightly, like this, because too full of filling, can't leave any space that can carry out other auxiliary design, and the utility model discloses the internal face that plays ripples 1 two side positions of ripples body 6 apart from speaker body 8 leaves certain space, not only does benefit to the design of speaker, still does benefit to the length that reduces the speaker.

In addition, the technical staff can combine the existing conventional technical means to carry out corresponding implementation or improve on its basis to satisfy the design of the ultra-thin speaker of different sizes, to the enlargement or the reduction of size, this is based on the structure of the speaker that will design and changes completely, because to different types, sizes etc., can completely refer to the existing conventional technical means again and implement on the basis of the technical scheme of the utility model, therefore, no longer describe here again.

In the description herein, the appearances of the phrases "embodiment one," "this embodiment," "specific implementation," and the like in this specification are not necessarily all referring to the same embodiment or example, but rather to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example; furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present application, the terms "connect", "mount", "fix", "set", "have", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention can be understood according to specific situations.

The foregoing description of the embodiments is provided to enable any person skilled in the art to make and use the embodiments, and it is to be understood that various modifications may be readily apparent to those skilled in the art, and that the generic principles defined herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present disclosure is not limited to the above embodiments, and modifications to the following cases should be included within the scope of the present disclosure: firstly, based on the technical scheme of the utility model and combined with the new technical scheme implemented by the prior common general knowledge, the technical effect generated by the new technical scheme does not exceed the technical effect of the utility model, for example, the technical scheme for controlling the height of the ultra-thin loudspeaker is formed by adopting a rectangular elastic wave body with elastic ripple at the edge, and the formed technical scheme does not exceed the utility model; secondly, equivalent replacement of part of the characteristics of the technical scheme of the utility model by adopting the known technology produces the same technical effect as the utility model, for example, the size of the damper body is changed; thirdly, the technical scheme of the utility model is expanded on the basis, and the essential content of the expanded technical scheme does not exceed the technical scheme of the utility model; fourthly, the technical means obtained by using the equivalent transformation made by the text record content or the attached drawings of the specification of the utility model is applied to other related technical fields.

Claims (10)

1. The utility model provides a novel play ripples structure suitable for ultra-thin speaker, its play ripples body surface sets up a plurality of pilot holes to the pilot hole that is in left and right both sides forms the voice coil loudspeaker voice coil fixed orifices that is used for installing speaker voice coil loudspeaker voice coil subassembly, its characterized in that, play ripples structure includes:

two groups of strip-shaped corrugated structures are arranged along the length direction of the elastic wave body and are respectively positioned at the edges of two long sides, and each group of corrugated structures is composed of a plurality of elastic corrugations which are arranged at intervals;

the bonding part is formed by horizontally extending outwards from the edge of the elastic wave body outside the corrugated structure and is used for directly bonding the loudspeaker drum paper;

and the side positions are positioned at the two wide sides of the damper body and are spaced from the inner wall surface of the loudspeaker.

2. The novel damper structure for ultra-thin speakers according to claim 1, wherein: the elastic wave body adopts a rectangular structure.

3. The novel damper structure for ultra-thin speakers according to claim 1, wherein: the elastic corrugation is of a convex arch structure.

4. The novel damper structure for ultra-thin speakers according to claim 3, wherein: the surface of the elastic wave body with the elastic wave protrusions faces downwards and is assembled on the loudspeaker.

5. The novel damper structure for ultra-thin speaker as claimed in any one of claims 1-4, wherein: the elastic corrugations in the same group are all in the same straight line.

6. The novel damper structure for ultra-thin speakers according to claim 5, wherein: the elastic wave body is arranged in the area where each side edge position is located without elastic waves.

7. The novel damper structure for ultra-thin speakers according to claim 1, wherein: every two adjacent elastic corrugations have a spacing hole between them.

8. The novel damper structure for ultra-thin speakers according to claim 1, wherein: the length of the corrugated structure is smaller than that of the elastic wave body.

9. The novel damper structure for ultra-thin speakers according to claim 1, wherein: the horizontal height of the damper body assembled inside the loudspeaker is lower than the height of the top of the voice coil assembly.

10. The novel damper structure for ultra-thin speakers according to claim 1, wherein: the voice coil fixing hole is rectangular.

Images