CN209593751U - Microspeaker - Google Patents

Abstract

The utility model discloses a kind of Microspeakers, including plastic parts, annular washer and two electric connection terminals, annular washer and electric connection terminal are respectively arranged on plastic parts, the outer edge of annular washer is equipped with notch, electric connection terminal includes sequentially connected first conductive part, interconnecting piece and the second conductive part, first conducting position is in the top of the annular washer, second conducting position is in the lower section of the annular washer, the interconnecting piece is correspondingly arranged with the notch, the distance value of the annular washer and first conductive part, the distance value of the annular washer and second conductive part, the thickness value of the distance value and the plastic parts on the outside of the interconnecting piece of the notch and the interconnecting piece is all larger than or is equal to 0.15mm.Electric connection terminal has certain projection on annular washer, and the maximization of annular washer may be implemented in the case where guaranteeing that electric connection terminal and annular washer will not be short-circuit, promote the sensitivity of Microspeaker.

Description

Microspeaker

Technical field

The utility model relates to acoustic equipment technical field more particularly to a kind of Microspeakers.

Background technique

The Microspeaker and receiver that mobile terminal uses at present are mostly coil-moving speaker.Coil-moving speaker packet It includes: the frame (shell) of magnetic circuit system, vibrational system and the receiving fixed magnetic circuit system and vibrational system.The frame packet Include plastic parts, annular washer and electric connection terminal.In traditional design, in order to avoid electric connection terminal is directly contacted with annular washer It so as to cause poor short circuit, needs to do notch processing on annular washer, to avoid the position where electric connection terminal, and the two Between need that there are enough gaps.Annular washer notch has an impact to Microspeaker, will affect miniature raise when notch is larger The sensitivity of sound device when notch is smaller, is easy to cause product because electric connection terminal and annular washer gap not enough lead to short circuit It is bad.In addition, being easy to cause the tin layers on electric connection terminal because of misoperation when carrying out welding lead to electric connection terminal It is directly contacted Deng with annular washer, and then forms short circuit, cause product bad.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of Microspeakers, it can short circuit phenomenon is avoided, It can guarantee the sensitivity of loudspeaker again.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:

A kind of Microspeaker, including plastic parts, annular washer and two electric connection terminals, the annular washer and electricity Connection terminal is respectively arranged on the plastic parts, and the outer edge of the annular washer is equipped with notch, the electric connection terminal Including sequentially connected first conductive part, interconnecting piece and the second conductive part, first conducting position is in the annular washer Top, second conducting position are correspondingly arranged in the lower section of the annular washer, the interconnecting piece with the notch, the ring Distance value, the notch of the distance value of shape washer and first conductive part, the annular washer and second conductive part 0.15mm is all larger than or is equal to the thickness value of the plastic parts on the outside of the distance value and the interconnecting piece of the interconnecting piece.

Further, the plastic parts, annular washer and the setting of electric connection terminal integrated injection molding.

Further, the shape of the electric connection terminal is U-shaped.

Further, the shape of the annular washer is rectangle, and the notch is set to the corner of the annular washer.

It further, further include voice coil, the voice coil is electrically connected with first conductive part.

The utility model has the beneficial effects that: annular washer and the first conductive part, the second conductive part and interconnecting piece Distance value is all larger than or is equal to 0.15mm, it is possible to prevente effectively from occurring the situation of short circuit between electric connection terminal and annular washer； Plastic parts on the outside of interconnecting piece has certain thickness, can make have enough binding forces between electric connection terminal and plastic parts, It is not easy to loosen, guarantees the sensitivity of loudspeaker；Electric connection terminal has certain projection on annular washer, is guaranteeing electric connecting terminal The maximization of annular washer will not may be implemented in the case where short circuit for son and annular washer, promote the sensitivity of Microspeaker.

Detailed description of the invention

Fig. 1 is the partial structure diagram of the Microspeaker of the utility model embodiment one；

Fig. 2 is the Structure explosion diagram of Fig. 1；

Fig. 3 is another part structural schematic diagram of the Microspeaker of the utility model embodiment one；

Fig. 4 is the cross-sectional view in Fig. 1 at A-A；

Fig. 5 is the enlarged structure schematic diagram in Fig. 4 at B.

Label declaration:

1, plastic parts；2, annular washer；21, notch；3, electric connection terminal；31, the first conductive part；32, interconnecting piece；33, Second conductive part.

Specific embodiment

For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match Attached drawing is closed to be explained.

The design of the utility model most critical is: the distance value of annular washer and first conductive part, described At the distance value and the interconnecting piece of the distance value of annular washer and second conductive part, the notch and the interconnecting piece The thickness value of plastic parts is all larger than or is equal to 0.15mm, it can avoids short circuit phenomenon, and can guarantee the sensitivity of loudspeaker.

Please refer to Fig. 1 to Fig. 5, a kind of Microspeaker, including plastic parts 1, annular washer 2 and two electric connection terminals 3, the annular washer 2 and electric connection terminal 3 are respectively arranged on the plastic parts 1, are set on the outer edge of the annular washer 2 Jagged 21, the electric connection terminal 3 includes sequentially connected first conductive part 31, interconnecting piece 32 and the second conductive part 33, institute The top that the first conductive part 31 is located at the annular washer 2 is stated, second conductive part 33 is located under the annular washer 2 Side, the interconnecting piece 32 are correspondingly arranged with the notch 21, the distance value of the annular washer 2 and first conductive part 31, The annular washer 2 and the distance value of second conductive part 33, the distance value of the notch 21 and the interconnecting piece 32 and The thickness value of the plastic parts 1 in 32 outside of interconnecting piece is all larger than or is equal to 0.15mm.

As can be seen from the above description, the utility model has the beneficial effects that: annular washer and the first conductive part, the second conduction The distance value of portion and interconnecting piece is all larger than or is equal to 0.15mm, it is possible to prevente effectively from going out between electric connection terminal and annular washer The situation of existing short circuit；Plastic parts on the outside of interconnecting piece has certain thickness, can make to have between electric connection terminal and plastic parts Enough binding forces are not easy to loosen, and guarantee the sensitivity of loudspeaker；Electric connection terminal has certain projection on annular washer, The maximization that annular washer may be implemented in the case where guaranteeing that electric connection terminal and annular washer will not be short-circuit, promotes miniature raises The sensitivity of sound device.

Further, the plastic parts 1, annular washer 2 and the setting of 3 integrated injection molding of electric connection terminal.

Further, the shape of the electric connection terminal 3 is U-shaped.

Further, the shape of the annular washer 2 is rectangle, and the notch 21 is set to the angle of the annular washer 2 Fall place.

It further, further include voice coil, the voice coil is electrically connected with first conductive part 31.

Please refer to Fig. 1 to Fig. 5, the embodiments of the present invention one are as follows:

A kind of Microspeaker, including plastic parts 1, annular washer 2 and two electric connection terminals 3, the annular washer 2 It is respectively arranged on the plastic parts 1 with electric connection terminal 3, it is preferred that the plastic parts 1, annular washer 2 and electric connection terminal The setting of 3 integrated injection moldings.The outer edge of the annular washer 2 is equipped with notch 21, in the present embodiment, the annular washer 2 Shape be rectangle, the notch 21 is set to the corner of the annular washer 2.The shape of the electric connection terminal 3 is U Shape, the electric connection terminal 3 include sequentially connected first conductive part 31, interconnecting piece 32 and the second conductive part 33.Described first Conductive part 31 is located at the top of the annular washer 2, and second conductive part 33 is located at the lower section of the annular washer 2, described Interconnecting piece 32 is correspondingly arranged with the notch 21, distance value, the annular of the annular washer 2 and first conductive part 31 The distance value of washer 2 and second conductive part 33, the distance value of the notch 21 and the interconnecting piece 32 and the connection The thickness value of the plastic parts 1 in 32 outside of portion is all larger than or is equal to 0.15mm, i.e. the value of L1, L2, L3 and L4 are all larger than or are equal to 0.15mm.In the present embodiment, the Microspeaker further includes voice coil, and the voice coil is electrically connected with first conductive part 31, Second conductive part 33 is connect with external power supply.

In conclusion a kind of Microspeaker provided by the utility model, both it is possible to prevente effectively from electric connection terminal and ring Occur the situation of short circuit between shape washer, and can make that there is enough binding forces between electric connection terminal and plastic parts, is not easy pine It is de-, and the maximization of annular washer may be implemented, promote the sensitivity of Microspeaker.

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 Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck Domain is also included in the patent protection scope of the utility model.

Claims (5)

1. a kind of Microspeaker, including plastic parts, annular washer and two electric connection terminals, the annular washer and it is electrically connected Connecting terminal is respectively arranged on the plastic parts, and the outer edge of the annular washer is equipped with notch, the electric connecting terminal attached bag Include sequentially connected first conductive part, interconnecting piece and the second conductive part, which is characterized in that first conducting position is in the ring The top of shape washer, in the lower section of the annular washer, the interconnecting piece is corresponding with the notch to be set second conducting position Set, the distance value of the annular washer and first conductive part, the annular washer and second conductive part distance value, The thickness value of the notch and the plastic parts on the outside of the distance value and the interconnecting piece of the interconnecting piece is all larger than or is equal to 0.15mm。

2. Microspeaker according to claim 1, which is characterized in that the plastic parts, annular washer and electric connecting terminal Sub- integrated injection molding setting.

3. Microspeaker according to claim 1, which is characterized in that the shape of the electric connection terminal is U-shaped.

4. Microspeaker according to claim 1, which is characterized in that the shape of the annular washer is rectangle, described Notch is set to the corner of the annular washer.

5. Microspeaker according to claim 1, which is characterized in that it further include voice coil, the voice coil and described first Conductive part electrical connection.