CN209313875U - Mobile terminal - Google Patents

Abstract

The utility model provides a kind of mobile terminal, including shell, the screen mould group for being covered on the shell and surrounding accommodating space jointly, the circuit board being mounted in the accommodating space and along the thickness direction of the mobile terminal is located in driver between the circuit board and the screen mould group；The driver includes pedestal, the coil being fixed in the pedestal, at least two flexible terminals extended from the pedestal to the circuit board direction and the conductive layer for being attached at the flexible terminal, the flexible terminal is connected to the circuit board and makes the conductive layer and the circuit board electrical connection, the conductive layer is extended in the accommodating space and be electrically connected with the coil, and when flexible terminal is connected to the circuit board is in compressive state and the pedestal is made to be connected to the screen mould group.Compared with the relevant technologies, the utility model mobile terminal good reliability, space utilization rate are high and sounding effect consistency is good.

Description

Mobile terminal

Technical field

The utility model relates to electroacoustic conversion art more particularly to a kind of mobile terminals.

Background technique

With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just It is the music function of high-quality, therefore, the microphone device for playing sound is widely applied Intelligent mobile equipment till now Among.With the upgrading of function, the finite volume of mobile terminal, then hardware needs disconnected optimization volume, passes through in occurring from Driver drives screen sounding to substitute the structure of microphone device sounding.

The mobile terminal of the relevant technologies includes shell, is covered on the shell and surrounds screen and the installation of accommodating space In in the accommodating space and abutting the driver of the screen, vibrated by driver to drive the screen vibration sounding.

However, driver described in the relevant technologies is fixed in shell using gluing or lock screw or buckle fixed form On frame, and its bonding wire is drawn by its side, the lateral dimension which needs to increase mobile terminal does not utilize build stack and sky Between utilize；In addition, there are hidden danger on falling reliability for gluing fixed form, and locks screw or buckle fixed form and equally increase The lateral dimension of mobile terminal, does not utilize space utilization.

It solves the above problems therefore, it is necessary to provide the new mobile terminal of one kind.

Utility model content

The utility model technical issues that need to address are to provide that a kind of good reliability, space utilization rate be high and sounding effect The good mobile terminal of consistency.

In order to solve the above technical problems, the utility model provides a kind of mobile terminal, including shell, it is covered on the shell And the screen mould group of accommodating space, the circuit board being mounted in the accommodating space are surrounded jointly and moves end along described The thickness direction at end is located in driver between the circuit board and the screen mould group；The driver includes pedestal, fixation In in the pedestal coil, by the pedestal along at least two extended perpendicular to the circuit board direction towards the circuit board Flexible terminal and the conductive layer for being attached at the flexible terminal, the flexible terminal are connected to the circuit board and make described lead Electric layer and the circuit board electrical connection, the conductive layer is extended in the accommodating space and is electrically connected with the coil, and institute It states when flexible terminal is connected to the circuit board and is in compressive state and the pedestal is made to be connected to the screen mould group.

Preferably, the pedestal include close to the circuit board and spaced bottom wall, from the bottom wall to the screen The side wall and be covered on the side wall and be connected to the roof of the screen mould group, the elasticity that the bending of curtain mould group direction extends Terminal by the bottom wall bending extend to form, and the flexible terminal along perpendicular to the circuit board direction towards the bottom wall just Projection at least partly falls into the bottom wall.

Preferably, the flexible terminal includes the arc-shaped elastic portion extended to form being bent by the bottom wall and by institute It states elastic portion bending and extends and be connected to the extension of the circuit board, the extension and the bottom wall interval are arranged and along vertical Directly the bottom wall is fallen within completely in the orthographic projection of the bottom wall direction towards the bottom wall.

Preferably, the flexible terminal includes at least two and is symmetrical set about the bottom wall.

Preferably, the bottom wall is in rectangle, and the flexible terminal includes four and is located at four angles of the bottom wall Position, the conductive layer includes two and being attached at flexible terminal described in two of them respectively.

Preferably, the long axis of the pedestal is parallel with the short axle of the shell, and two conductive layers are attached at position respectively Two flexible terminals in bottom wall short axle the same side.

Preferably, the conductive layer is flexible circuit board.

Compared with the relevant technologies, the mobile terminal of the utility model is by the driver from its pedestal to circuit board direction Elasticity of extension terminal, and in compressive state and the pedestal is made to be connected to institute when the flexible terminal is connected to the circuit board State screen mould group, i.e. circuit board limit compresses the flexible terminal to provide certain precompression, by driver abut to The screen mould group sets fixation to form card, while being sticked conductive layer in flexible terminal, realizes the voice coil and circuit of driver Plate is electrically connected to obtain electric signal, because flexible terminal is extended by base bottom along perpendicular to circuit board direction, so that the voice coil Outlet direction be normal to screen mould group, save the bulk of the mobile terminal along its length；And elastic tip Son is because the precompression by circuit board handles compressive state, and with the dynamic range of a tentering, good fixing effect is improved when falling Reliability, and assemble simple, it is ensured that the sounding effect consistency of mobile terminal is good.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the three-dimensional structure diagram of the utility model mobile terminal；

The cut-away view of Fig. 2 line A-A along Fig. 1；

Fig. 3 is the enlarged drawing of part shown in B in Fig. 2；

Fig. 4 is the structural representation of the driver of the utility model mobile terminal.

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 whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, the utility model provides a kind of mobile terminal 100, including shell 1, screen mould group 2, electricity Road plate 3 and driver 4.The mobile terminal 100 can be mobile phone, IPAD etc..

The screen mould group 2 is covered on the shell 1 and surrounds accommodating space 10 jointly.

The circuit board 3 is mounted in the accommodating space 10, for providing electric signal.

The driver 4 is located in the circuit board 3 and the screen mould group along the thickness direction of the mobile terminal 100 Between 1.

Specifically, the driver 4 includes pedestal 41, the coil (not shown) being fixed in the pedestal 41, by described Pedestal 41 is along at least two flexible terminals 43 extended perpendicular to 3 direction of circuit board towards the circuit board 3 and is attached at The conductive layer 44 of the flexible terminal 43.

The flexible terminal 43 is connected to the circuit board 3 and is electrically connected the conductive layer 44 with the circuit board 3, institute It states conductive layer 44 to extend in the accommodating space 10 and be electrically connected with the coil, and described in the flexible terminal 43 is connected to It is in compressive state when circuit board 3 and the pedestal 41 is made to be connected to the screen mould group 2.

In above structure, the circuit board 3 for by coil described in the conductive layer 44 provide driving electric signal make it is described Driver 4 vibrates, and the driver 4 drives the screen mould group 2 to generate resonance, to realize the vibration of screen mould group 2 hair The purpose of sound.Meanwhile the limit of circuit board 3 compresses the flexible terminal 43 to provide certain precompression, by the excitation Device 4 abuts to the screen mould group 2 and sets fixation to form card, and flexible terminal 43 handles pressure because of the precompression by circuit board 3 Contracting state, with the telescopic extensions that certain width moves, good fixing effect improves reliability when falling, and assembles simple one Cause property is good, it is ensured that the sounding effect consistency of mobile terminal 100 is good.

In present embodiment, the pedestal 41 include close to the circuit board 3 and spaced bottom wall 411, by described The side wall 412 and be covered on the side wall 412 and be connected to described that bottom wall 411 extends to 2 direction of screen mould group bending The roof 413 of screen mould group 2.The flexible terminal 43 is extended to form by the bottom wall 411 bending, and 43 edge of the flexible terminal Orthographic projection perpendicular to 3 direction of circuit board towards the bottom wall 411 at least partly falls into the bottom wall 411.That is, should The space occupied is the thickness direction of the mobile terminal 100 when structure setting extends the flexible terminal 43, can be formed The folded of device sets, and efficiently uses space, woth no need to increase the mobile terminal 100 along its length or the horizontal ruler of width direction It is very little.

Specifically, the flexible terminal 43 includes bending the arc-shaped elastic portion 431 extended to form by the bottom wall 411 And the extension 432 for extending and being connected to the circuit board 3 is bent by the elastic portion 431.The extension 432 with it is described The interval of bottom wall 411 is arranged and falls within the bottom wall completely along the orthographic projection perpendicular to 411 direction of bottom wall towards the bottom wall 411 411。

In present embodiment, the flexible terminal 43 includes at least two and is symmetrical set about the bottom wall 411, with Realize the stability when driver 4 vibration.More preferably, the bottom wall 411 is in rectangle, and the flexible terminal 43 includes four And it is located at the position at four angles of the bottom wall 411.Four flexible terminals 43 make the stability of the driver 4 More excellent, consistency when being connected to the screen mould group 2 is more excellent, so that the vibration consistency of screen mould group 2 is more preferable.

The conductive layer 44 includes two and is attached at flexible terminal 43 described in two of them respectively, to realize positive and negative electricity The introducing of signal.Specifically, shell 1 is in rectangle, the long axis of the pedestal 41 is parallel with the short axle of the shell 1, i.e., described to swash The long axis direction for encouraging device 4 is parallel to the short-axis direction setting of the mobile terminal 100, and two conductive layers 44 are attached at respectively Two flexible terminals 43 positioned at described 411 short axle the same side of bottom wall.

In present embodiment, the conductive layer 44 is flexible circuit board.

Certainly, the conductive layer 44 can also be integral structure with the flexible terminal 43, i.e., flexible terminal 43 described Body has conducting end energy, this is also feasible.

Compared with the relevant technologies, the mobile terminal of the utility model is by the driver from its pedestal to circuit board direction Elasticity of extension terminal, and in compressive state and the pedestal is made to be connected to institute when the flexible terminal is connected to the circuit board State screen mould group, i.e. circuit board limit compresses the flexible terminal to provide certain precompression, by driver abut to The screen mould group sets fixation to form card, while being sticked conductive layer in flexible terminal, realizes the voice coil and circuit of driver Plate is electrically connected to obtain electric signal, because flexible terminal is extended by base bottom along perpendicular to circuit board direction, so that the voice coil Outlet direction be normal to screen mould group, save the bulk of the mobile terminal along its length；And elastic tip Son is because the precompression by circuit board handles compressive state, and with the dynamic range of a tentering, good fixing effect is improved when falling Reliability, and assemble simple, it is ensured that the sounding effect consistency of mobile terminal is good.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (7)

1. a kind of mobile terminal, solid including shell, the screen mould group for being covered on the shell and surrounding accommodating space jointly, installation Due in the accommodating space circuit board and along the mobile terminal thickness direction be located in the circuit board with it is described Driver between screen mould group, which is characterized in that the driver include pedestal, the coil being fixed in the pedestal, by The pedestal is along at least two flexible terminals extended perpendicular to the circuit board direction towards the circuit board and is attached at institute The conductive layer of flexible terminal is stated, the flexible terminal is connected to the circuit board and the conductive layer is made to be electrically connected with the circuit board It connects, the conductive layer is extended in the accommodating space and be electrically connected with the coil, and described in the flexible terminal is connected to It is in compressive state when circuit board and the pedestal is made to be connected to the screen mould group.

2. mobile terminal according to claim 1, which is characterized in that the pedestal includes close to the circuit board and being spaced The bottom wall of setting bends the side wall extended from the bottom wall to the screen mould group direction and is covered on the side wall and abuts In the roof of the screen mould group, the flexible terminal is extended to form by bottom wall bending, and the flexible terminal is along vertical The bottom wall is at least partly fallen into the orthographic projection of the circuit board direction towards the bottom wall.

3. mobile terminal according to claim 2, which is characterized in that the flexible terminal includes being prolonged by bottom wall bending It stretches the arc-shaped elastic portion to be formed and bends the extension for extending and being connected to the circuit board by the elastic portion, it is described Extension and the bottom wall interval are arranged and fall within completely along the orthographic projection perpendicular to the bottom wall direction towards the bottom wall described Bottom wall.

4. mobile terminal according to claim 2, which is characterized in that the flexible terminal is including at least two and about institute Bottom wall is stated to be symmetrical set.

5. mobile terminal according to claim 4, which is characterized in that the bottom wall is in rectangle, and the flexible terminal includes Four and be located at the bottom wall four angles position, the conductive layer includes two and being attached at two of them institute respectively State flexible terminal.

6. mobile terminal according to claim 5, which is characterized in that the shell be in rectangle, the long axis of the pedestal with The short axle of the shell is parallel, and two conductive layers are attached at two bullets positioned at bottom wall short axle the same side respectively Property terminal.

7. mobile terminal according to claim 1, which is characterized in that the conductive layer is flexible circuit board.