CN201893914U

CN201893914U - Assembling structure of sounder reed

Info

Publication number: CN201893914U
Application number: CN2010206433988U
Authority: CN
Inventors: 朱立东
Original assignee: XIAMEN GREAT SOUND TECHNOLOGY Co Ltd
Current assignee: XIAMEN GREAT SOUND TECHNOLOGY Co Ltd
Priority date: 2010-12-06
Filing date: 2010-12-06
Publication date: 2011-07-06
Anticipated expiration: 2020-12-06

Abstract

The utility model relates to an assembling structure of a sounder reed, which comprises a plastic base and two reeds which are installed and positioned on the base. Each reed is provided with a fixed end, a free end and a connecting part which connects the fixed end with the free end. The connecting part comprises a horizontal straight part and an inclined part. The straight part is L-shaped. A bend is formed at the free end of the reed. A positioning block is arranged on the straight part of the reed at a position adjacent to the inclined part. A fixed part which extends longitudinally and zigzag is formed at the end part of the fixed end. Through the corresponding matching between the free end of the reed and the limiting groove of the plastic base, between the positioning block of the reed and the positioning groove of the plastic base and between the fixed end of the reed and an inlaying groove on the plastic base, the fixed end of the reed can be stably fixed on the plastic base and is not apt to get loose and deviated, the contact of the reed is accurate and the electric connection performance is more stable.

Description

The assembly structure of acoustical generator shell fragment

Technical field

The utility model is about a kind of assembly structure of acoustical generator shell fragment.

Background technology

Portable type electronic product is towards miniaturization at present, and the direction that fuselage is thin develops, and the product volume inside is limited, makes minitype acoustic generator be widely used.In the known technology, assembling for ease of minitype acoustic generator, generally be to adopt the spring-piece type arrangements of electric connection, this shell fragment need be installed on the plastic base in advance, commonly use the traditional combination of shell fragment and plastic base and have two kinds: a kind of be with shell fragment one plastic compression to plastic base, high temperature when its deficiency is plastic compression can make the shell fragment of metal material be heated to produce oxidation and destroy the electrodeposited coating of shell fragment, thereby influence the electric conductivity of shell fragment, and the plastic compression process causes the shell fragment stress deformation easily and the relative position of shell fragment and plastic base is offset, therefore have electrical connection loose contact, properties of product problem of unstable; Another kind is the combination that shell fragment and plastic base adopt PUR, glue control was improper when its weak point was melten gel overflows easily, be covered in the shell fragment top layer and influence the conductivity of shell fragment, cause installation not in place, and the easy ageing failure of viscose glue, therefore the stability that makes shell fragment combine with plastic base can not get effective assurance.

The utility model content

At the above-mentioned deficiency of commonly using, the utility model provides a kind of assembly structure of acoustical generator shell fragment, makes being embedded on the plastic base that shell fragment one end can be firm, and positioning stablity, installs simple.

For reaching above-mentioned purpose, technical solution of the present utility model is:

A kind of assembly structure of acoustical generator shell fragment, include a plastic base and two and be installed on shell fragment on this plastic base, described plastic base is the saturating empty framework in a middle part, this shell fragment is that metal material is made, have a stiff end and a free end, and connect this stiff end and free-ended connecting portion, wherein, this connecting portion includes the straight portion and an oblique portion of a level, this straight portion is the setting of L type, and the oblique portion of this shell fragment is near forming a bending on the free end, and this straight portion is being provided with a positioning block near oblique portion place, then vertical complications extend to form a fixed part in the end of stiff end, and this fixed part has the faying face parallel with this straight portion; Then be provided with on this plastic base to should the free-ended stopper slot of shell fragment, the location notch of corresponding matching shell fragment locating piece, the caulking groove of corresponding ccontaining shell fragment fixed part, and corresponding free-ended position, this stopper slot top forms a stopping surface, and this plastic base bottom forms the stop section to end that should fixed part.

Ora terminalis one side of this faying face is provided with circular arc chamfering.

This locating piece is provided with overhead kick embedding angle.

The utility model adopts said structure, the corresponding matching of the caulking groove of location notch, shell fragment fixed part and plastic base by this shell fragment locating piece and plastic base, but make shell fragment stiff end strong fix on plastic base, and assembling is simple to be difficult for loosening and skew, make shrapnel contact accurate, electrical connection properties is more stable.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of the utility model shell fragment;

Fig. 3 is the bottom view of the utility model plastic base.

Embodiment

As shown in Figure 1, 2, 3, assembly structure for acoustical generator shell fragment of the present utility model, include a plastic base 1 and the two installing and locating shell fragment 2 on this plastic base 1, described plastic base 1 is the saturating empty framework in a middle part, and described two shell fragments 2 are installed on respectively on two groups of adjacent sidewalls 11 of this framework.

This shell fragment 2 is made for metal material, have a stiff end 21 and a free end 22, and the connecting portion 23 that connects this stiff end 21 and free end 22, this connecting portion 23 includes the straight portion 231 and an oblique portion 232 of a level, this straight portion 231 is the setting of L type, the one end is defined as this stiff end 21, the other end is connected this oblique portion 232, the end in addition of this oblique portion 232 then is defined as this free end 22, this oblique portion 232 is bending 233 near forming one on the free end 22, and this bending 233 of mat can be electrically connected shell fragment with the external circuit board elasticity; This straight portion 231 is at the locating piece 24 that a tool overhead kick embedding angle vertically is set downwards near oblique portion 232 places, and this straight portion 231 extends to form a fixed part 25 in the vertical complications in the end of stiff end 21, this fixed part 25 has a faying face 251 parallel with straight portion 231, this faying face 251 is for the voice coil line (not shown) of welding one acoustical generator, in addition, ora terminalis one side of this faying face 251 is circular arc chamfering 252.

Cooperate above-mentioned shell fragment 2, the sidewall of this plastic base 1 is provided with stopper slot 12 that should shell fragment 2 free ends 22, the location notch 13 of corresponding matching shell fragment 2 locating pieces 24, and the caulking groove 14 of corresponding ccontaining shell fragment 2 stiff ends 21 fixed parts 25, and these stopper slot 12 tops form a stopping surface 121, this caulking groove 14 has an opening 141, and these caulking groove 14 bottoms are to a side horizontal-extending and be provided with the hollow part 142 that appears for this faying face 251, so that voice coil line for this faying face 251 welding one acoustical generator, further, moulding one stop section 15 on the position of the bottom of this plastic base 1 corresponding shell fragment fixed part 25 faying faces 251 ora terminalis is to stablize the stiff end 21 of this faying face 251 and shell fragment.

When above-mentioned shell fragment 2 is installed, the fixed part 25 of shell fragment 2 stiff ends 21 ends is entered and is positioned in the caulking groove 14 of this plastic base 1 along opening 141, and the faying face 251 that makes these stiff end 21 fixed parts 25 is positioned at the hollow part 142 of this caulking groove 14, its ora terminalis then is limited in the stop section 15 of this plastic base 1, simultaneously the locating piece in these shell fragment 2 straight portions 231 24 is embedded in the location notch 13 corresponding with it on the plastic base 1, by this locating piece 24 and this location notch 13, this stiff end fixed part 25 cooperates with caulking groove 14, stiff end 21 strong fixs that make shell fragment 2 are on this plastic base 1, afterwards again to oblique portion 232 application of forces of shell fragment 2, shell fragment 2 free ends 22 are pressed in the stopper slot 12 of plastic base 1, and make stopping surface 121 restriction shell fragments 2 free ends 22 of these stopper slot 12 tops can only be this stopper slot 12 in about the elasticity start.

The utility model adopts said structure, but makes shell fragment stiff end strong fix on plastic base, is difficult for loosening and skew, and makes shrapnel contact accurate, and electrical connection properties is more stable.

Claims

1. the assembly structure of an acoustical generator shell fragment, include a plastic base and two and be installed on shell fragment on this plastic base, described plastic base is the saturating empty framework in a middle part, this shell fragment is that metal material is made, have a stiff end and a free end, and connect this stiff end and free-ended connecting portion, it is characterized in that:

This connecting portion includes the straight portion and an oblique portion of a level, this straight portion is the setting of L type, the oblique portion of this shell fragment is near forming a bending on the free end, this straight portion is being provided with a positioning block near oblique portion place, then vertical complications extend to form a fixed part in the end of stiff end, and this fixed part has the faying face parallel with this straight portion;

Then be provided with on this plastic base to should the free-ended stopper slot of shell fragment, the location notch of corresponding matching shell fragment locating piece, the caulking groove of corresponding ccontaining shell fragment fixed part, and corresponding free-ended position, this stopper slot top forms a stopping surface, and this plastic base bottom forms the stop section to end that should fixed part.

2. the assembly structure of acoustical generator shell fragment as claimed in claim 1 is characterized in that: ora terminalis one side of this faying face is provided with circular arc chamfering.

3. the assembly structure of acoustical generator shell fragment as claimed in claim 1 is characterized in that: this locating piece is provided with overhead kick embedding angle.