CN209358768U - Loadspeaker structure - Google Patents

Abstract

The utility model discloses a kind of loadspeaker structure, the loadspeaker structure includes front shroud and back cover, and the front shroud is fixedly connected with the back cover, and the front shroud and the back cover form the first accommodating cavity, the front shroud includes preceding cover body and frame, and the frame is contained in first accommodating cavity；The preceding cover body is an integral structure with frame.The utility model provides a kind of loadspeaker structure, it is intended to which for loadspeaker structure during carrying out split type fall-down test, the frame in loadspeaker structure will appear the problem of falling off, be easy to causeing speaker damage with front shroud in the prior art for solution.

Description

Loadspeaker structure

Technical field

The utility model relates to electroacoustic switch technology field more particularly to a kind of loadspeaker structures.

Background technique

The vibrational system and magnetic circuit system that loadspeaker structure generally includes frame and is fixed in frame, frame, vibration system System and magnetic circuit system are all housed in the cover of loadspeaker structure.Existing loadspeaker structure when carrying out factory testing, It needs to carry out multiple performance test, to guarantee that the loadspeaker structure meets all kinds of performance requirements.Divided in loadspeaker structure During body formula fall-down test, frame and front shroud in loadspeaker structure will appear the problem of falling off, so as to cause in loudspeaker Portion's structure occurs being broken or deform, and ultimately causes the damage of loudspeaker.

Utility model content

The utility model provides a kind of loadspeaker structure, it is intended to it is split type in progress to solve loadspeaker structure in the prior art During fall-down test, the frame in loadspeaker structure will appear the problem of falling off, be easy to causeing speaker damage with front shroud.

To achieve the above object, the utility model proposes a kind of loadspeaker structure, the loadspeaker structure includes front shroud With back cover, the front shroud is fixedly connected with the back cover, and the front shroud and the back cover form the first accommodating cavity, the front shroud packet Cover body and frame, the frame are contained in first accommodating cavity before including；The preceding cover body and frame are integral type knot Structure.

Optionally, the preceding cover body offers first through hole, and the first through hole is connected to first accommodating cavity；Institute Stating loadspeaker structure further includes basin with compound, and the frame forms accommodating space, and the inner sidewall of the frame is to the accommodating space First boss is inside offered, the basin with compound is placed in the first boss, and the end face opening direction of the basin with compound refers to To the first through hole.

Optionally, the inner sidewall of the frame offers second boss into the accommodating space, and the second boss is set In the first boss close to the side of the back cover；The loadspeaker structure further includes Voice coil assemblies and centring disk, described Centring disk is abutted close to a side surface of the back cover with the second boss, and it is logical that the centring disk center offers second Hole, the Voice coil assemblies are contained in second through-hole.

Optionally, the loadspeaker structure further includes magnet, washer and U iron, and the Voice coil assemblies include speech coil framework And the voice coil ontology of the winding speech coil framework, the U iron are set to the Voice coil assemblies close to the side of the back cover, the U The opening direction of iron is directed toward the first through hole, and the second accommodating cavity is collectively formed in the speech coil framework and the U iron；The magnet It is contained in second accommodating cavity with the washer.

Optionally, the magnet includes main magnet and secondary magnet, and the main magnet is arranged close to the first through hole, described Secondary magnet is arranged close to the U iron, and the washer is set between the main magnet and the secondary magnet, and with the main magnet with The pair magnet abuts.

Optionally, the main magnet, the secondary magnet and the washer and the speech coil framework interval are arranged, the U iron Inner sidewall is set to the outside of the speech coil framework, and the U iron inner sidewall and the speech coil framework interval are arranged.

Optionally, the inner sidewall of the frame offers third boss into accommodating space, and the third boss is set to institute Second boss is stated close to the side of the back cover；The U iron is supported to a side surface of the preceding cover body with the third boss It connects.

Optionally, the third boss offers positioning convex platform to the back cover side, opposite interior of the positioning convex platform Side wall is abutted with the lateral wall of the U iron.

Optionally, the positioning convex platform inner sidewall offers guide surface, the guiding close to the side ora terminalis of the back cover Face is for being oriented to the U iron.

Optionally, the frame offers leak holes far from the side of the basin with compound, and the leak holes are around the basin The side wall of frame is arranged.

In the technical solution that the use of the new type proposes, the loadspeaker structure includes front shroud and back cover, the front shroud and institute It states back cover to be fixedly connected, the front shroud and the back cover form the first accommodating cavity, and the front shroud includes preceding cover body and frame, institute Frame is stated to be contained in first accommodating cavity, since the preceding cover body is an integral structure with the frame, the frame It is integrated injection molding with the front shroud, passes through buckle or its other party compared to front shroud described in the prior art and the frame Formula is attached, and integrated injection molding ensure that the bond strength between the front shroud and the frame, to avoid described During carrying out split type fall-down test, the frame in loadspeaker structure will appear with preceding cover body to fall off loadspeaker structure, The problem of be easy to causeing speaker damage.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the decomposition texture schematic diagram of the utility model loadspeaker structure；

Fig. 2 is the top view of the utility model loadspeaker structure；

Fig. 3 be Fig. 2 in along A-A to cross-sectional view；

Fig. 4 be Fig. 2 in along A-A to front shroud cross-sectional view.

Drawing reference numeral explanation:

Label	Title	Label	Title
				10	Front shroud	30	Basin with compound
11	Preceding cover body	40	Voice coil assemblies
				12	Frame	41	Speech coil framework
121	First boss	42	Voice coil ontology
				122	Second boss	50	Centring disk
123	Third boss	60	Magnet
				124	Positioning convex platform	61	Main magnet
125	Guide surface	62	Secondary magnet
				126	Second through-hole	70	Washer
13	First through hole	80	U iron
				20	Back cover

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.

The utility model provides a kind of loadspeaker structure.

Please refer to Fig. 1 to Fig. 4, the loadspeaker structure includes front shroud 10 and back cover 20, the front shroud 10 and the back cover 20 are fixedly connected, and the front shroud 10 forms the first accommodating cavity (not indicating) with the back cover 20, and the front shroud 10 includes front shroud sheet Body 11 and frame 12, the frame 12 are contained in first accommodating cavity；The preceding cover body 11 is integral type with frame 12 Structure.

In the technical solution that the use of the new type proposes, the loadspeaker structure includes front shroud 10 and back cover 20, the front shroud 10 are fixedly connected with the back cover 20, and the front shroud 10 forms the first accommodating cavity with the back cover 20, before the front shroud 10 includes Cover body 11 and frame 12, the frame 12 are contained in first accommodating cavity, due to the preceding cover body 11 and the basin Frame 12 is an integral structure, and the frame 12 and the front shroud 10 are integrated injection molding, compare with described in the prior art Front shroud 10 is attached with the frame 12 by buckle or other modes, and integrated injection molding ensure that the front shroud 10 With the bond strength between the frame 12, to avoid the loadspeaker structure during carrying out split type fall-down test, Frame 12 in loadspeaker structure will appear the problem of falling off, be easy to causeing speaker damage with preceding cover body 11.

In some alternative embodiments, the preceding cover body 11 offers first through hole 13, the first through hole 13 It is connected to first accommodating cavity；The loadspeaker structure includes basin with compound 30, and the frame 12 forms accommodating space and (do not mark Show), the inner sidewall of the frame 12 offers first boss 121 into the accommodating space, and the basin with compound 30 is placed in described In first boss 121, in specific embodiment, the basin with compound 30 includes ring (not indicating), cone basin (not indicating) and anti- Dirt cap (does not indicate), and the basin with compound 30 pushes the sending of air vibration realization sound by the vibration of the cone basin, described multiple The end face opening direction for closing basin 30 is directed toward the first through hole 13, it is preferred that the edge of the basin with compound 30 and described first convex Platform 121 abuts, and the generating surface of the cone basin is directed toward the side of separate first accommodating cavity, to avoid the basin with compound 30 sound issued are stopped by the front shroud 10 or the back cover 20, to influence the volume and sound quality of the loudspeaker.

In some alternative embodiments, it is convex to offer second into the accommodating space for the inner sidewall of the frame 12 Platform 122, the second boss 122 are set to the first boss 121 close to the side of the back cover 20；The loadspeaker structure is also Including Voice coil assemblies 40 and centring disk 50, the centring disk 50 is abutted with the second boss 122, specific embodiment In, the vibrational system of the loadspeaker structure includes basin with compound 30, Voice coil assemblies 40 and centring disk 50, the Voice coil assemblies 40 are contained in the second through-hole 126 among the centring disk 50, and the centring disk 50 is for keeping the Voice coil assemblies 40 correct position in magnetic seam, and in 40 stress of Voice coil assemblies, make the vibrational system of the loadspeaker structure only It moves back and forth along direction of vibration.

In some alternative embodiments, the magnetic circuit system of the loadspeaker structure includes magnet 60, washer 70 and U Iron 80, the Voice coil assemblies 40 include the voice coil ontology 42 of speech coil framework 41 and the winding speech coil framework 41, specific embodiment party In formula, the U iron 80 has the opening being arranged to 13 side of first through hole, and the speech coil framework 41 is contained in the U iron In 80 openings formed, the second accommodating cavity (not indicating), the magnet is collectively formed with the U iron 80 in the speech coil framework 41 60 are contained in second accommodating cavity with the washer 70, and the magnet 60 is connected with each other with the washer 70, the U iron 80 Set on the speech coil framework 41 away from the side of the magnet 60 and the washer 70；The U iron 80, the magnet 60 and The washer 70 is provided commonly for providing magnetic field for the voice coil ontology 42.

Further, the magnet 60 includes main magnet 61 and secondary magnet 62, and the main magnet 61 is logical close to described first Hole 13 is arranged, and the pair magnet 62 is arranged close to the U iron 80, and the washer 70 is set to the main magnet 61 and the secondary magnet Between 62, and abutted with the main magnet 61 with the secondary magnet 62.In specific embodiment, the main magnet 61, the China Department 70 and the secondary magnet 62 along the vertical direction on set gradually, and successively abut up and down, the washer 70 is for keeping institute Uniform magnetic field can be obtained by stating magnetic circuit system.

In some alternative embodiments, the main magnet 61, the secondary magnet 62 and the washer 70 and the sound Ring framework 41 interval setting, 80 inner sidewall of U iron be set to the speech coil framework 41 outside, the U iron inner sidewall with it is described The interval of speech coil framework 41 is arranged, and in specific embodiment, the main magnet 61, the secondary magnet 62 and the washer 70 are received It is dissolved in second accommodating cavity, shape between the U iron 80 and the main magnet 61, the secondary magnet 62 and the washer 70 It is stitched at the magnetic, the voice coil ontology 42 is contained in the magnetic seam, and the tone currents that the loadspeaker structure generates passes through institute When stating voice coil ontology 42, the voice coil ontology 42 is driven the vibrational system to move forward and backward, makes air by magnetic fields Vibration, so that the loadspeaker structure be made to make a sound.

In some alternative embodiments, between the U iron 80 is parallel with the back cover 20 close to 20 side of back cover Every setting.In specific embodiment, in the loadspeaker structure, the basin with compound 30, the Voice coil assemblies 40, the main magnet 61, the secondary magnet 62, the washer 70 and the U iron 80 are located on same axis, and the U iron 80 and the back cover 20 are flat When row interval is arranged, being distributed among the magnetic seam for field homogeneity caused by the magnetic circuit system can be made, to guarantee The voice coil ontology 42 can obtain uniform magnetic field.

In some alternative embodiments, the inner sidewall of the frame 12 offers third boss into accommodating space 123, the third boss 123 is set to the second boss 122 close to the side of the back cover 20；The U iron 80 is to before described One side surface of cover body 11 is abutted with the third boss 123.In specific embodiment, the U iron 80 and the third are convex Platform 123 abuts, the opposite position by the third boss 123 to the U iron 80 in the loadspeaker structure on vertical direction It sets and is defined, the U body 80 is facilitated to be assembled in the loadspeaker structure, while avoiding occurring in assembling process The problem of other component loading error of the U iron 80 and the loadspeaker structure.

In some alternative embodiments, the second boss 122 offers positioning convex platform to 20 side of back cover 124, the opposite inner sidewall of the positioning convex platform 124 is abutted with the lateral wall of the U iron 80.In specific embodiment, the basin Frame 12 is interference fitted by the positioning convex platform 124 with the U iron 80, is connected so that the U iron 80 be made to fix with the frame 12 It connects, specifically, the basin with compound 30 is set described with the centring disk 50 assembly in the assembling process of the loadspeaker structure Between frame 12 and the first through hole 13, the speech coil framework 41 is then installed on described the second of the centring disk 50 In through-hole 126, again, by the main magnet 61, the washer 70, the pair magnet 62 is successively installed on the audio skeleton 41 Be open in the accommodating space formed, the U iron 80 is connect by interference fit with the frame 12, finally by the back cover 20 and The front shroud 10 is fixedly connected, to complete the assembly of the loadspeaker structure.Due to the preceding cover body 11 and the frame 12 are an integral structure, and when the frame 12 being avoided to separate with the preceding cover body 11, the needs of frame 12 are raised according to other The problem of sound device component is cooperated, leads to the loadspeaker structure assembly difficulty.

In some alternative embodiments, side ora terminalis of 124 inner sidewall of positioning convex platform close to the back cover 20 Guide surface 125 is offered, the guide surface 125 is for being oriented to the U iron 80.In specific embodiment, in the U iron 80 when being assembled, and in order to avoid the U iron 80 is inaccurate due to positioning in assembling process with the positioning convex platform 124, is occurred It collides with and the frame 12 is caused to be damaged, opening up the guide surface 125 on the positioning convex platform 124 can make the U iron 80 exist In larger range along the groove that the guide surface 125 is moved to that the positioning convex platform 124 is formed, to guarantee the U iron 80 It can complete to be interference fitted with the positioning convex platform 124, reduce in the U iron 80 and 124 assembling process of positioning convex platform The problem of positioning of appearance is not allowed and causes the parts damages of the loadspeaker structure.

In some alternative embodiments, the frame 12 offers leak holes far from the side of the basin with compound 30 (not indicating), the leak holes are arranged around the side wall of the frame 12.In specific embodiment, in the loadspeaker structure work During work, since the basin with compound 30 can cause the pressure in the loadspeaker structure to change in vibration, in order to protect The pressure balance of each section in the loadspeaker structure is demonstrate,proved, the leak holes opened up in the frame 12 can make the loudspeaker Interior gas ensure that from the back cavity that the ante-chamber of the loadspeaker structure enters the loadspeaker structure by the leak holes The pressure balance of the loudspeaker Each part, to improve the acoustics reliability of the loadspeaker structure.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of loadspeaker structure, the loadspeaker structure includes front shroud and back cover, and the front shroud is fixedly connected with the back cover, The front shroud and the back cover form the first accommodating cavity, which is characterized in that the front shroud includes preceding cover body and frame, the basin Frame is contained in first accommodating cavity；The preceding cover body is an integral structure with frame.

2. loadspeaker structure as described in claim 1, which is characterized in that the preceding cover body offers first through hole, described First through hole is connected to first accommodating cavity；The loadspeaker structure further includes basin with compound, and the frame forms accommodating space, The inner sidewall of the frame offers first boss into the accommodating space, and the basin with compound is placed in the first boss, And the end face opening direction of the basin with compound is directed toward the first through hole.

3. loadspeaker structure as claimed in claim 2, which is characterized in that the inner sidewall of the frame is into the accommodating space Second boss is offered, the second boss is set to the first boss close to the side of the back cover；The loadspeaker structure It further include Voice coil assemblies and centring disk, the centring disk is supported close to a side surface of the back cover with the second boss It connects, the centring disk center offers the second through-hole, and the Voice coil assemblies are contained in second through-hole.

4. loadspeaker structure as claimed in claim 3, which is characterized in that the loadspeaker structure further include magnet, washer with And U iron, the Voice coil assemblies include the voice coil ontology of speech coil framework and the winding speech coil framework, the U iron is set to the sound For coil assembly close to the side of the back cover, the opening direction of the U iron is directed toward the first through hole, the speech coil framework with it is described The second accommodating cavity is collectively formed in U iron；The magnet and the washer are contained in second accommodating cavity.

5. loadspeaker structure as claimed in claim 4, which is characterized in that the magnet includes main magnet and secondary magnet, described Main magnet is arranged close to the first through hole, it is described pair magnet be arranged close to the U iron, the washer be set to the main magnet and Between the pair magnet, and abutted with the main magnet with the secondary magnet.

6. loadspeaker structure as claimed in claim 5, which is characterized in that the main magnet, the secondary magnet and the washer It is arranged with the speech coil framework interval, the U iron inner sidewall is set to the outside of the speech coil framework, the U iron inner sidewall and institute State the setting of speech coil framework interval.

7. loadspeaker structure as claimed in claim 4, which is characterized in that the inner sidewall of the frame is opened up into accommodating space There is third boss, the third boss is set to the second boss close to the side of the back cover；The U iron is to the front shroud sheet One side surface of body is abutted with the third boss.

8. loadspeaker structure as claimed in claim 7, which is characterized in that the third boss is offered to the back cover side Positioning convex platform, the opposite inner sidewall of the positioning convex platform are abutted with the lateral wall of the U iron.

9. loadspeaker structure as claimed in claim 8, which is characterized in that the positioning convex platform inner sidewall is close to the back cover Side ora terminalis offers guide surface, and the guide surface is for being oriented to the U iron.

10. loadspeaker structure as claimed in claim 2, which is characterized in that the frame is opened far from the side of the basin with compound Equipped with leak holes, the leak holes are arranged around the side wall of the frame.