CN208045812U - A kind of dust protection audio connector - Google Patents

Abstract

The utility model discloses a kind of dust protection audio connector, including shell and jack, the shell is equipped with dust preventing component；The dust preventing component includes the first catch, the second catch；First catch blocks the opening of jack after being bonded with the second catch；First catch, the second catch are slidably connected with jack inner wall；The jack inner wall is equipped with the first spring, second spring；The shell is additionally provided with insurance hole；The first metallic laminas and the second metallic laminas are equipped in the insurance hole；First metallic laminas extends to the bottom of jack；Fuse is equipped in the insurance hole；The both ends of the fuse are connect with the first metallic laminas, the second metallic laminas respectively.The utility model abuts fitting by two catch, when the first spring and second spring reset, the space of a sealing is formed inside jack, prevents dust from entering inside jack, additionally by setting fuse, it can prevent short circuit from damaging audio frequency apparatus.

Description

A kind of dust protection audio connector

Technical field

The utility model is related to connector technique fields, and in particular to a kind of dust protection audio connector.

Background technology

In consumer electronics field, many electronic equipments, such as mobile phone, MP3 player and other portable audio frequency apparatuses, It needs by external audio earphone or receiver to hear the sound of media.In this way, must there is audio connector to be installed on these sounds So that the plugs such as earphone or receiver are inserted into frequency equipment；

And audio connector is in blank state, jack is aerial in exposure, and the dust in air is easy at this time It enters in jack, is easy to influence the electric conductivity of audio connector over time.

Invention content

The purpose of this utility model is to be directed to above-mentioned deficiency in the prior art, provides a kind of dust protection audio connection Device.

The purpose of this utility model is achieved through the following technical solutions：A kind of dust protection audio connector, including shell with And the jack set on shell, the jack with external plug for connecting；The shell is equipped with the opening for blocking jack Dust preventing component；

The dust preventing component includes the first catch, the second catch for being in semicircle shape；First catch and the second catch The opening of jack is blocked after fitting；

First catch, the second catch are slidably connected with jack inner wall；The jack inner wall is equipped with respectively so that the One catch, the first spring of the second catch reset, second spring；

The shell is additionally provided with insurance hole；The first metallic laminas is equipped in the insurance hole and for electric with audio frequency apparatus Second metallic laminas of connection；First metallic laminas extends to the bottom of jack；First metallic laminas be used for it is outer Portion's plug electrical connection；Fuse is equipped in the insurance hole；The both ends of the fuse respectively with the first metallic laminas, the second gold medal Belong to guide card connection.

The utility model is further arranged to, and guide block is equipped at the top of the top of first catch and the second catch； The guide groove coordinated with guide block is equipped in the jack；First catch and the second catch are slided by guide block in guide groove.

The utility model is further arranged to, first catch from top to bottom successively be equipped with sliding part, sealing and Support portion；One end of first spring is connect with jack inner wall；The other end of first spring and support portion against.

The utility model is further arranged to, and the support portion is the fixture block being bent to form by sealing；The fixture block with Jack inner wall is equipped with third spring.

The utility model is further arranged to, and the sliding part is equipped with inclined-plane.

The utility model is further arranged to, and the opposite face of first catch and the second catch is equipped with waterproof layer.

The utility model is further arranged to, the opening of the insurance hole be equipped with tarpaulin and shell described in tarpaulin it Between be provided with soft linking arm.

The beneficial effects of the utility model：The utility model abuts fitting by two catch, in the first spring When reset with second spring, the space of a sealing is formed inside jack, prevents dust from entering inside jack, additionally by Fuse is set, can prevent short circuit from damaging audio frequency apparatus.

Description of the drawings

Utility model is described further using attached drawing, but the embodiment in attached drawing does not constitute and appoints to the utility model What is limited, for those of ordinary skill in the art, without creative efforts, can also be according to the following drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the sectional view of the utility model dust preventing component；

Fig. 3 is the sectional view of the utility model insurance hole；

Reference sign in Fig. 1 to Fig. 3：

1- shells；11- jacks；12- insurance holes；The first catch of 21-；The second catch of 22-；The first springs of 31-；32- second Spring；33- third springs；The first metallic laminas of 41-；The second metallic laminas of 42-；43- fuses；51- guide blocks；52- guide grooves； 61- sliding parts；62- sealings；63- support portions；71- tarpaulins；The soft linking arms of 72-.

Specific implementation mode

The utility model is further described with the following Examples.

From Fig. 1 to Fig. 3；A kind of dust protection audio connector described in the present embodiment, including shell 1 and set on outer The jack 11 of shell 1, the jack 11 with external plug for connecting；The shell 1 is equipped with the opening for blocking jack 11 Dust preventing component；

The dust preventing component includes the first catch 21, the second catch 22 for being in semicircle shape；First catch 21 and The opening of jack 11 is blocked after the fitting of two catch 22；

First catch 21, the second catch 22 are slidably connected with 11 inner wall of jack；11 inner wall of the jack, which is equipped with, to be divided Not so that the first catch 21, the first spring 31 of the second catch 22 reset, second spring 32；

The shell 1 is additionally provided with insurance hole 12；It is equipped with the first metallic laminas 41 in the insurance hole 12 and is used for and sound Second metallic laminas 42 of frequency equipment electrical connection；First metallic laminas 41 extends to the bottom of jack 11；First gold medal Belong to guide card 41 for being electrically connected with external plug；Fuse 43 is equipped in the insurance hole 12；The both ends of the fuse 43 point It is not connect with the first metallic laminas 41, the second metallic laminas 42.

Specifically, the dust protection audio connector described in the present embodiment, it is described when external plug does not also enter jack 11 First catch 21 is abutted with the second catch 22 so that 11 inside of jack forms a sealing space, can be effectively prevented Bulky grain dust enters inside jack 11；When external terminal enters jack 11, the first catch 21 and the second catch 22 are toward both sides It separates, while the first catch 21 and the second catch 22 being made to compress the first spring 31 respectively with second spring 32 until external plug It is contacted with the first metallic laminas 41, carries out the transmission of signal；When external plug exits jack 11, due to the first spring 31 and The elastic force of two springs 32 acts on, and the first catch 21 and the second catch 22 can be made to reset, and two catch are again against formation one A sealing space；In addition insurance hole 12 is set in shell 1, and places fuse 43, to audio frequency apparatus when can occur short circuit It is protected.

A kind of dust protection audio connector described in the present embodiment, the top of first catch 21 and the second catch 22 Top is equipped with guide block 51；The guide groove 52 coordinated with guide block 51 is equipped in the jack 11；First catch 21 and second gear Piece 22 is slided by guide block 51 in guide groove 52.

Specifically, pass through the setting of guide block 51 and guide groove 52 so that the first catch 21 and the second catch 22 are realized in jack 11 inner walls slide.

A kind of dust protection audio connector described in the present embodiment, first catch 21 are equipped with sliding successively from top to bottom Portion 61, sealing 62 and support portion 63；One end of first spring 31 is connect with 11 inner wall of jack；First spring 31 The other end and support portion 63 against.

A kind of dust protection audio connector described in the present embodiment, the support portion 63 are bent to form by sealing 62 Fixture block；The fixture block is equipped with third spring 33 with 11 inner wall of jack.It can be increased with third spring 33 by the way that support portion 63 is arranged The stability of first catch 21.

A kind of dust protection audio connector described in the present embodiment, the sliding part 61 are equipped with inclined-plane.It is set in sliding part 61 Set the entrance that an inclined-plane is conducive to external plug.

A kind of dust protection audio connector described in the present embodiment, the opposite face of first catch, 21 and second catch 22 It is equipped with waterproof layer.By the way that waterproof layer is arranged, waterproof can be played the role of.

The opening of a kind of dust protection audio connector described in the present embodiment, the insurance hole 12 is equipped with 71 institute of tarpaulin It states and is provided with soft linking arm 72 between tarpaulin 71 and shell 1.By insurance hole 12 opening be arranged tarpaulin 71 with And soft linking arm 72, it can prevent water from entering in insurance hole 12, and convenient for the replacement of fuse 43.

Finally it should be noted that above example is only to illustrate the technical solution of the utility model, rather than to this reality With the limitation of novel protected range, although being explained in detail to the utility model with reference to preferred embodiment, this field it is general Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the utility model, without departing from this The spirit and scope of utility model technical solution.

Claims (7)

1. a kind of dust protection audio connector, including shell (1) and the jack (11) set on shell (1), the jack (11) For being connect with external plug；It is characterized in that：The shell (1) is equipped with dust-proof group of the opening for blocking jack (11) Part；

The dust preventing component includes the first catch (21), the second catch (22) for being in semicircle shape；First catch (21) with The opening of jack (11) is blocked after second catch (22) fitting；

First catch (21), the second catch (22) are slidably connected with jack (11) inner wall；Jack (11) inner wall is set Have respectively so that the first catch (21), the first spring (31) of the second catch (22) reset, second spring (32)；

The shell (1) is additionally provided with insurance hole (12)；It is equipped with the first metallic laminas (41) in the insurance hole (12) and is used for The second metallic laminas (42) being electrically connected with audio frequency apparatus；First metallic laminas (41) extends to the bottom of jack (11)； First metallic laminas (41) with external plug for being electrically connected；Fuse (43) is equipped in the insurance hole (12)；It is described The both ends of fuse (43) are connect with the first metallic laminas (41), the second metallic laminas (42) respectively.

2. a kind of dust protection audio connector according to claim 1, it is characterised in that：The top of first catch (21) It is equipped with guide block (51) at the top of portion and the second catch (22)；The guide groove coordinated with guide block (51) is equipped in the jack (11) (52)；First catch (21) and the second catch (22) sliding in guide groove (52) by guide block (51).

3. a kind of dust protection audio connector according to claim 1, it is characterised in that：First catch (21) is from upper It is equipped with sliding part (61), sealing (62) and support portion (63) successively under；One end of first spring (31) and jack (11) inner wall connects；The other end of first spring (31) and support portion (63) against.

4. a kind of dust protection audio connector according to claim 3, it is characterised in that：The support portion (63) is by close The fixture block that envelope portion (62) is bent to form；The fixture block is equipped with third spring (33) with jack (11) inner wall.

5. a kind of dust protection audio connector according to claim 3, it is characterised in that：The sliding part (61) is equipped with oblique Face.

6. a kind of dust protection audio connector according to claim 1, it is characterised in that：First catch (21) and the The opposite face of two catch (22) is equipped with waterproof layer.

7. a kind of dust protection audio connector according to claim 1, it is characterised in that：The opening of the insurance hole (12) Place is equipped with and is provided with soft linking arm (72) between tarpaulin (71) described tarpaulin (71) and shell (1).