CN208241870U - A kind of sounding device - Google Patents

Abstract

The utility model relates to a kind of sounding device, including shell and conduct piece, one end of the conduct piece is arranged in the shell, and the other end has the bending part and elasticity arm being arranged in outside the shell；The bending part is connect with the part that the conduct piece is arranged in the shell, and is bent on the top surface of shell along the side wall of shell, and is connect at the top surface with elasticity arm；The elasticity arm extends along the top surface to the side far from bending part, has angle between the elasticity arm and the top surface, and one end engaging of the elasticity arm far from the bending part on the housing, is used to be electrically connected with external circuit.One of the utility model has technical effect that the sounding device can be externally electrically connected with external circuit by conduct piece.

Description

A kind of sounding device

Technical field

The utility model belongs to acoustic-electric energy-conversion technique field, more specifically, the utility model relates to a kind of sounding devices.

Background technique

Sounding device is the important acoustical device of modern electronic equipment, is turned between electric signal and acoustical signal for completing It changes, is a kind of energy conversion device, is now widely used in electronic equipment, such as mobile phone, intercom, notebook.With city Field consumption, product design and the progress of production and processing technology, electronic equipment is to miniaturization, and lightening development, this also requires hair Acoustic device also increasingly minimizes, to adapt to the needs of electronic product.

In the prior art, the conduct piece arrangement on sounding device is divided into two kinds: one kind is long elastic slice, and conduct piece needs It is arranged in the top surface of the end of shell side, since the arm of force direction of elasticity arm limits, is needed one end of conduct piece from adjacent The other side side wall on stretch out, the side wall is corresponding with another end of above-mentioned shell side, is then being bent to shell On the top surface of side, so that the height of shell side is compressed comprehensively, the structures such as outlet sound mouth can not be set；Another way is to set Set the second conduct piece, the first conduct piece is molded inside the shell, the reserved interconnecting piece in outside, by the second conduct piece and the first conduct piece into Row laser welding, but the second conduct piece of laser welding can occupy shell one due to the elastic slice door hanging on tail portion arc structure and head The length space of side and height space are also unfavorable for the diminution in space occupied by conduct piece, meanwhile, there is also welding for laser welding Electrical connection is loosely caused to fail.In some concrete conditions, it may appear that outlet sound mouth and conduct piece must be arranged in sounding device The case where the same side, but conduct piece structure in the prior art would generally volume exclusion to sounding device side it is more, sending out Under the requirement of acoustic device miniaturization, so that locational space required for outlet sound mouth is often inadequate, it is unable to satisfy requirement.

Therefore, it is necessary to provide a kind of improved sounding device.

Utility model content

One purpose of the utility model is to provide a kind of sounding device.

One aspect according to the present utility model provides a kind of sounding device, including shell and conduct piece, the conduct piece One end be arranged in the shell, the other end has the bending part and elasticity arm that are arranged in outside the shell；

The bending part is connect with the part that the conduct piece is arranged in the shell, and is bent along the side wall of shell It is connect to the top surface of shell, and at the top surface with elasticity arm；

The elasticity arm extends, between the elasticity arm and the top surface along the top surface to the side far from bending part With angle, one end engaging of the elasticity arm far from the bending part on the housing, is used to be electrically connected with external circuit.

Optionally, one end that the elasticity arm is used to be electrically connected with external circuit is arc-shaped.

Optionally, be provided with hanging groove or door hanging on the shell, the elasticity arm be used to be electrically connected with external circuit one There is hook, on the hanging groove or door hanging, the elasticity arm is configured to drive hook phase the hook hanging buckle on end Shell is moved up and down.

Optionally, the bending part and the side wall or/and either flush or recessed in the side wall or/and top surface.

Optionally, it is arranged fluted on the side wall of the shell or/and top surface, the bending part is arranged in the groove It is interior.

Optionally, the top surface of the bending part and the shell, which heats, fixes.

Optionally, hot molten column is provided on the top surface of the shell, being located at for the bending part is arranged in the hot molten column The corner portion of outer casing top surface.

Optionally, one end of the conduct piece is moulded in the shell.

Optionally, there is outlet sound mouth, the side wall with described bending part the same side is arranged in the outlet sound mouth on the shell On.

Optionally, including two conduct pieces, described two conduct pieces are arranged in the shell external symmetry.

One of the utility model has technical effect that the sounding device can be externally electric with external circuit by conduct piece Connection.

By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other Feature and its advantage will become apparent.

Detailed description of the invention

The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description In explanation the principles of the present invention.

Fig. 1 is a kind of structural schematic diagram of specific embodiment of the utility model；

Fig. 2 is the partial enlargement structural representation in Fig. 1 at A；

In figure: 1 shell, 11 side walls, 12 grooves, 13 top surfaces, 14 hanging groove upper walls, 15 hanging grooves, 16 concave stations, 17 hot molten columns, 18 Outlet sound mouth, 2 conduct pieces, 21 hooks, 22 bending parts, 23 elasticity arms.

Specific embodiment

The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited The scope of the utility model processed.

Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical Novel and its application or any restrictions used.

Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation Under, the technology and equipment should be considered as part of specification.

It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.

A kind of sounding device provided by the utility model, as shown in Figs. 1-2, including shell 1 and conduct piece 2.It is described to lead One end of electric part 2 is arranged in the shell 1.The other end of the conduct piece 2 has 22 He of bending part being arranged in outside shell 1 Elasticity arm 23, i.e., described 2 part of conduct piece are arranged in the shell 1, and part is arranged outside the shell 1, passes through conduct piece 2 So that the inside of sounding device is electrically connected with external circuit.

The bending part 22 is connect with the part that the conduct piece 2 is arranged in the shell 1, and curved along lateral wall 11 It is folded on the top surface 13 of shell 1, is connect on top surface 13 with elasticity arm 23.The elasticity arm 23 on the top surface 13, along The side that top surface 13 is connected with side wall 11 carries out extended, and has angle between the top surface 13, mentions for elasticity arm 23 For enough elastic deformation spaces；The elasticity arm 23 is fastened on the shell 1 far from one end of the bending part 22, is used for It is electrically connected with external circuit.Be electrically connected with external circuit after deformation occurs, the elastic force that elasticity arm 23 provides can guarantee with outside Circuit electrical connection in portion's connects the stronger of contact, is not easy to disconnect.The bending part 22 is located at the side wall 11 and top Adjusting can be set in length on face 13, compared with the existing technology in long elastic slice, height of the application to 1 side of shell It spends space and length space hold is few, region locating for elasticity arm 23 is only taken up, to the other positions of the side in the longitudinal direction It will not impact；The second conduct piece of laser welding in compared with the existing technology occupies few, saving to the length direction of the side Space does not need setting tail portion arc section, and simple process, it is only necessary to 2 part of conduct piece is fixed in the shell 1, Then the bending part 22 is bent twice, is bent on the surface of the side wall 11 and top surface 13, does not have to worry weldering It connects and electrical connection is loosely caused to fail.The space that the utility model occupies shell side compared with the existing technology is small, and opposite can More spaces are provided and are used to arrange other structures, such as increases front/back cavity and adjusts sound quality for improving, or set in the side Set outlet sound mouth etc..

A kind of sounding device provided by the utility model, the sounding device can be externally electric with external circuit by conduct piece Connection.In addition, conduct piece structure is simple, it is small to occupy modular volume space.And simple process when the sounding device processing and fabricating. Conduct piece is closely connect with sounding device.

In some embodiments, as shown in Figs. 1-2, the sheet metal that the conduct piece 2 is integrally formed, other real It applies in example, is also possible to other conductive materials and is made, the application is not intended to limit this.The bending part 22 is from 1 side of shell Stretch out in side wall 11, bending part 22 is folded upward at along side wall 11 to the top surface 13 on the shell 1, and in top surface 13 It is upper to be connect with elasticity arm 23.It will be understood by those skilled in the art that the top surface of shell 1 is usually right in present process Answer injection mold, when injection molding is not easy to conduct piece 2 and directly stretches out, it may occur that hinders, by stretching out of 1 side of shell side wall 11 Bending part 22 can evade this problems of the prior art out.Certainly, processing technology can satisfy require when, elasticity arm end And it can directly directly be stretched out from the top surface 13 of 1 side of shell, then elasticity arm 23 is bent to top surface 13, and can be with 's.On the other hand, bending part 22, can be with the prolonging on top surface 13 of elasticity arm 23 from the stretching on the side wall 11 of 1 side of shell Stretch that direction is vertical or near normal.In the position of the elasticity arm 23 and bending part 22 that are located on top surface 13, structure and size are certain Under the premise of, elasticity arm end is stretched out from 11 direction of side wall, is stretched out relative to directly from top surface 13, then in the length side of the side The bending part 22 on side wall 11 shown in Fig. 2 can be saved upwards to the occupancy of the side length.The volume vacated can be used for The setting of sounding device other assemblies, so that sounding device is more compact.

In some embodiments, as shown in Figs. 1-2, one end that elasticity arm 23 is used to be electrically connected with external circuit is circular arc Shape, more convenient when contacting with external circuit junction, the position range of contact point changes relative to linear grounding parts Variation range is small.It will be understood by those skilled in the art that this is a kind of embodiment of the utility model, it is not to this reality With novel limitation.In other embodiments, the shape and state of one end that elasticity arm 23 is used to be electrically connected with external circuit It can also be other, such as described linear type etc., the application is not intended to limit this.

In some embodiments, as shown in Figs. 1-2, one end that elasticity arm 23 is used to be electrically connected with external circuit, which has, to hang Hook 21.The top surface 13 of shell 1 is provided with hanging groove 15 or door hanging.21 hanging buckles of the hook are on hanging groove 15 or door hanging, the elastic force Arm 23 is able to drive hook 21 and moves up and down relative to shell 1, when by the external force downward relative to top surface 13, elasticity arm 23 drive hook 21 to move down；When external force disappears, elasticity arm 23 drives hook 21 to move up, until by hanging groove 15 or Person's door hanging mutually hinders, and elasticity arm 23 is made to be in deformed state or critical point, with external circuit when being electrically connected point contact, energy Enough providing elasticity arm 23 keeps enough elastic force to make stable connection.Hanging groove upper wall 14 can be set concordant with top surface 13, So that sounding device is more compact.Hook 21 can be stretched out to the direction perpendicular to the side wall 11, reduce conduct piece 2 to described The occupancy in space on the length direction of side wall 11.

In some embodiments, as shown in Figs. 1-2, the bending part 22 and the side wall 11 or/and top surface 13 are flat It is together or recessed in the side wall 11 or/and top surface 13, enable to the sounding device appearance clean and tidy, rule of surface does not expand The volume of sounding device.Further, as shown in Fig. 1-2, fluted 12 can be arranged on the side wall 11 of the shell 1, The bending part 22 is arranged in the groove 12, so that conduct piece 2 expands sounding device without departing from the surface of side wall 11 Volume hinders sounding device to be placed in predeterminated position.It can also be provided with concave station 16 on the top surface 13 and (lack a face wall Groove 12), concave station 16 is lower than top surface 13, and conduct piece 2 is bent on concave station 16, and the bending part 22 reduced on conduct piece 2 is located at The expansion of sounding device volume is acted on when on the top surface 13.In some specific embodiments, it is bent on concave station 16 Conduct piece 2 surface be lower than top surface 13, one end that elasticity arm 23 is electrically connected with external circuit also can be with elastic force in stress Arm 23 is mobile to the lower section of hanging groove 15, and elasticity arm 23 can also be moved down as top surface 13 concordantly, so that conduct piece 2 will not Expand sounding device volume, sounding device is hindered to be placed in predeterminated position.

In some embodiments, the top surface 13 of the bending part 22 and the shell 1, which heats, fixes, and improves the steady of its bending Solidity prevents alice.Further, as shown in figs. 1-2, there is hot molten column 17 on top surface 13.The setting of hot molten column 17 is being pushed up By the corner of bending part 22 on face 13, bending part 22 is then fixed by hot melt, prevents its tilting, not enough pasted with top surface 13 Clothes.In some specific embodiments, bending part 22 has evacuation notch corresponding with hot molten column, enables bending part 22 On top surface 13, hot molten column 17 will not cause to hinder enough dociles to it.The hot melt of bending part 22 is fixed on top surface 13.So that conductive Part 2 is closely connect with sounding device.The yields of product can also greatly improve, and using effect is more preferable.

In some embodiments, one end of the conduct piece 2 is moulded in the shell 1, so that the sounding device It is compact-sized, 2 good fixing effect of conduct piece.In other examples, it is also possible to be mounted on by the modes such as fastening, being bonded In shell 1, the application is not intended to limit this.

In some embodiments, as shown in Figure 1, there is outlet sound mouth 18 on the shell, the setting of outlet sound mouth 18 with institute On the side wall 11 for stating 2 the same side of conduct piece.When outlet sound mouth 18 must must be positioned on the side wall 11 of the same side with conduct piece 2, The structure of conduct piece 2 in the utility model is simple, few to the side length space hold, in the case where 1 structure of shell is certain, Enable outlet sound mouth 18 big as far as possible, improves the acoustical behavior of sounding device.

It in some embodiments, as shown in Figure 1, may include two conduct pieces 2, the conduct piece 2 is described outer It is symmetrical arranged on shell 1.So that conduct piece 2 is externally electrically connected with external circuit, a complete electrical circuit is formed.And facilitate cloth It sets, so that sounding device is more compact.

In some embodiments, as shown in Figure 1, shell 1 can be rectangle, and the conduct piece 2 is located at the shell 1 Short axle end or longitudinal end, symmetry it is more preferable.Further, shell 1 can also be more convenient for modularized design.

In some embodiments, the production method of the utility model is simple and fast, for example, conduct piece 2 is moulded in shell 1 In；Partially electronically conductive part 2 is located at the side outside shell 1, the root bent angle stretched out using corner crimping machine from conduct piece 2,2 bent angle of conduct piece To 1 top of shell；Then tooling pushes conduct piece 2, and hook 21 is hung under hanging groove 15；Be provided on shell 1 hot molten column 17 into Row sweat soldering prevents 2 bending part 22 of conduct piece from tilting.It will be understood by those skilled in the art that above-mentioned production method is only this A kind of example of utility model is not the restriction to the utility model.

Although being described in detail by some specific embodiments of the example to the utility model, this field It is to be understood by the skilled artisans that above example merely to be illustrated, rather than in order to limit the scope of the utility model.This Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments It modifies.The scope of the utility model is defined by the following claims.

Claims (10)

1. a kind of sounding device, which is characterized in that including shell and conduct piece, one end of the conduct piece is arranged in the shell Interior, the other end has the bending part and elasticity arm being arranged in outside the shell；

The bending part is connect with the part that the conduct piece is arranged in the shell, and is bent to outside along the side wall of shell On the top surface of shell, and it is connect at the top surface with elasticity arm；

The elasticity arm extends to the side far from bending part, has between the elasticity arm and the top surface along the top surface Angle, one end engaging of the elasticity arm far from the bending part on the housing, are used to be electrically connected with external circuit.

2. sounding device according to claim 1, which is characterized in that the elasticity arm was used to be electrically connected with external circuit One end is arc-shaped.

3. sounding device according to claim 1, which is characterized in that hanging groove or door hanging are provided on the shell, it is described There is hook, the hook hanging buckle is on the hanging groove or door hanging, institute on one end that elasticity arm is used to be electrically connected with external circuit Elasticity arm is stated to be configured to that hook is driven to move up and down relative to shell.

4. sounding device according to claim 1, which is characterized in that the bending part and the side wall or/and top surface are flat It is together or recessed in the side wall or/and top surface.

5. sounding device according to claim 4, which is characterized in that be provided on the side wall of the shell or/and top surface Groove, the bending part setting is in the groove.

6. sounding device according to claim 1, which is characterized in that the top surface of the bending part and shell hot melt is solid It is fixed.

7. sounding device according to claim 6, which is characterized in that be provided with hot molten column, institute on the top surface of the shell State the corner portion positioned at outer casing top surface that the bending part is arranged in hot molten column.

8. sounding device according to claim 1, which is characterized in that one end of the conduct piece is moulded in the shell It is interior.

9. sounding device according to claim 1, which is characterized in that have outlet sound mouth, the outlet sound mouth on the shell Be arranged in on the side wall of described bending part the same side.

10. -9 any sounding device according to claim 1, which is characterized in that described two to lead including two conduct pieces Electric part is arranged in the shell external symmetry.