CN202434383U

CN202434383U - Mobile phone and side-surface key structure

Info

Publication number: CN202434383U
Application number: CN2011205715869U
Authority: CN
Inventors: 唐科
Original assignee: Huizhou TCL Mobile Communication Co Ltd
Current assignee: Huizhou TCL Mobile Communication Co Ltd
Priority date: 2011-12-31
Filing date: 2011-12-31
Publication date: 2012-09-12
Anticipated expiration: 2021-12-31

Abstract

The utility model discloses a mobile phone and a side-surface key structure. The side-surface key structure comprises a key movably arranged on the side surface of a shell, and a switch fixedly arranged on a circuit board, wherein the switch is a travel switch which is provided with a movable arm; and the key is used for contacting and pressing the movable arm from the side surface of the travel switch in the movement process. With the adoption of the travel switch, the key is used for contacting and pressing the movable arm from the side surface of the travel switch so as to ensure that the travel of the key cannot be limited by the travel of the switch; and therefore, the phenomena that the switch bears the pressure from the front side surface, and relatively strong destructive force is conducted to the switch from the key under the condition that the mobile phone is impacted or carelessly fallen off are avoided, and the risk of damaging the switch or a bonding pad can be effectively prevented.

Description

A kind of mobile phone and side press-key structure

Technical field

The utility model relates to the press-key structure field of consumer electronics product such as mobile phone and side thereof, and in particular, improving what relate to is a kind of movable stroke and can bear the press-key structure that pressure does not receive the switch restriction.

Background technology

The side of consumer electronics products such as existing mobile phone often all is provided with button, is used for the sensitive switch of corresponding housing interior welds on mainboard.And common sensitive switch only has the less stroke in the 0.3mm left and right sides, also can only bear the less pressure in the 100gf left and right sides usually.

But; Because these sensitive switches generally are with SMT (Surface Mounted Technology; Being surface mounting technology, is most popular a kind of technology and technology in the present electronics assembling industry) mode of paster is welded on the mainboard, under by bump or situation about falling accidentally; Through button sensitive switch is applied excessive destructive power easily, thereby cause coming off and the damage of pad of sensitive switch.

Therefore, prior art still haves much room for improvement and develops.

The utility model content

The purpose of the utility model is, a kind of mobile phone and side press-key structure are provided, and can make the stroke of button unrestricted, and prevents that switch and pad thereof are damaged.

The technical scheme of the utility model is following: a kind of side press-key structure comprises the button that is movably arranged on side and is fixedly installed on the switch on the circuit board; Wherein: said switch is set to have the travel switch of a lever arm, and said button is used for from the contacts side surfaces of said travel switch and pushes said lever arm in the process that moves.

Described side press-key structure, wherein: said button comprises keycap and the key post that one connects; On the sidewall of said key post, extending one is used for from the contacts side surfaces of said travel switch and pushes the driving lever of said lever arm.

Described side press-key structure, wherein: said driving lever comprises one one of the extension that is the connection of angle one and extends two ones; The axial setting of two said key posts in edge of said extension.

Described side press-key structure, wherein: one one of said extension is vertically connected on the sidewall of said key post.

Described side press-key structure, wherein: the contact jaw that is used for contacting at first said lever arm in two ones of the said extensions is provided with chamfering.

Described side press-key structure, wherein: said housing is provided with the key hole that adaptive said keycap passes through, and the inboard of said housing is provided with saddle, and is corresponding with said key hole, and said saddle is provided with the through hole that adaptive said key post passes.

Described side press-key structure, wherein: between said button and housing, be provided with and be used to spring that said button is returned to normal; Said spring housing is located on the said key post, and is supported between said driving lever and the saddle.

Described side press-key structure, wherein: the edge of said circuit board is provided with the adaptive open slot that holds said saddle.

Described side press-key structure, wherein: said switch with SMT mode paster on said circuit board; Said lever arm is arranged on the side of said switch.

A kind of mobile phone comprises housing and inner circuit board thereof, it is characterized in that: said housing be provided with above-mentioned in each described side press-key structure.

A kind of mobile phone that the utility model provided and side press-key structure; Owing to adopted travel switch; Button is from the contacts side surfaces and the push switch of travel switch, and then makes the stroke of button can not receive the restriction of switch over travel, also avoided switch to bear the pressure from the front; Avoided under by bump or situation about falling accidentally by button conduct on the switch than havoc power, prevented the impaired risk of switch and pad thereof effectively.

Description of drawings

Fig. 1 is the side press-key structure chart under the utility model is in the normal state.

Fig. 2 is that the utility model is in the side press-key structure chart under the pressed state.

Fig. 3 is the press-key structure figure in the utility model side press-key structure.

Fig. 4 is the housing inside structure figure in the utility model side press-key structure.

Fig. 5 is circuit board and the structure chart of travel switch thereof in the utility model side press-key structure.

Embodiment

Below will combine accompanying drawing, the embodiment and the embodiment of the utility model specified, described specific embodiment in order to explain the utility model, is not the embodiment that is used to limit the utility model only.

As shown in Figure 1, Fig. 1 is the side press-key structure chart under the utility model is in the normal state, and this side press-key structure is arranged between the shell 110 and circuit board 120 of product, comprises button 130 and switch 140; Said button 130 is movably arranged on the side of housing 110, for example the both sides of handset shell or top side; Said switch 140 is welded on the circuit board 120, and said circuit board 120 is positioned at the inside of said housing 110; Wherein, said switch 140 is set to travel switch, and said travel switch 140 has a swing type or telescopic lever arm 141; Shown in Figure 1 is shuttle-type lever arm 141; In conjunction with shown in Figure 2, Fig. 2 is that the utility model is in the side press-key structure chart under the pressed state, and said button 130 is in the process that moves; Be used for from the contacts side surfaces of said travel switch 140 and push said lever arm 141, to avoid applying active force from the front of said travel switch 140.

In the embodiment of the utility model side press-key structure, as shown in Figure 2, said button 130 comprises keycap 131 parts and key post 132 parts that one connects; On the sidewall of said key post 132 parts, extend a driving lever 133; Be used for from the contacts side surfaces of said travel switch 140 and push said lever arm 141; Avoided active force to be applied on the said travel switch 140, and then avoided said travel switch 140 and circuit board 120 thereof are damaged from the front.

Further; In conjunction with shown in Figure 3, Fig. 3 is the press-key structure figure in the utility model side press-key structure, and said driving lever 133 comprises two 133b of 133a of extension and extension that are the connection of angle one; The length direction of two 133b of said extension is along the axial setting of said key post 132; Thus, when said key post 132 moves along its axis, drive two 133b of said extension and push said lever arm 141.

Be preferably, 133a of said extension is vertically connected on the sidewall of said key post 132, can play thus to stop deviating from of said button 130.Certainly, also can on said key post 132 or keycap 131, set out and be used to the structure that stops said button 130 to be deviate from.

Be preferably; The contact jaw that is used for contacting at first said lever arm 141 on two 133b of said extension is provided with chamfering 134; Shown in Figure 3 is the bevelling, and rounding equally also can play the resistance that reduces to push said button 130 in addition, makes pushing more smoothly of said button 130 act on.

In the embodiment of the utility model side press-key structure; As shown in Figure 4; Fig. 4 is the housing inside structure figure in the utility model side press-key structure; Combine shown in Figure 2 in the lump; Be provided with the key hole 111 that adaptive said keycap 131 passes through in the side of said housing 110, the madial wall of said housing 110 is provided with and said key hole 111 corresponding saddles 112, and said saddle 112 is provided with the through hole 113 that adaptive said key post 132 passes; This through hole 113 can cooperate said key hole 111 to play the effect of supporting the said button 130 in location jointly, helps said button 130 and is not easy in use to occur the crooked stuck phenomenon that causes.

Be preferably, between said button 130 and housing 110, also be provided with spring 150, be used for after pushing, making said button 130 to return back to normality; Concrete, said spring 150 can be set on the said key post 132, and the internal diameter of said spring 150 is used for said spring 150 is supported between said driving lever 133 and the said saddle 112 greater than the aperture of said through hole 113.

In addition; If the switch spring that be arranged in the said travel switch 140, is used to make said lever arm 141 return to normality has enough elastic force; Also can utilize switch spring to play the effect of spring 150 described in the alternate figures 3, can save said spring 150 thus, to reduce material cost.

Further, as shown in Figure 5, Fig. 5 is circuit board and the structure chart of travel switch thereof in the utility model side press-key structure; On the edge of said circuit board 120; Be provided with open slot 121, the position that promptly broken plate is provided with combines shown in Figure 1 near the lever arm 141 of said travel switch 140 in the lump; Said open slot 121 is used for the adaptive saddle 112 that holds on the said housing 110; Thus, can attenuate side press-key thickness of structure, help the slimming design of consumer electronics products such as mobile phone.

Based on above-mentioned side press-key structure, the utility model has also proposed a kind of mobile phone, comprises housing and inner circuit board thereof, and wherein: said housing is provided with the side press-key structure described in above-mentioned each embodiment.

Compare with mobile phone of the prior art and side press-key structure thereof; A kind of mobile phone that the utility model provided and side press-key structure; Owing to adopted travel switch; Button is from the contacts side surfaces and the push switch of travel switch, and then makes the stroke of button can not receive the restriction of switch over travel, also avoided switch to bear the pressure from the front; Avoided under by bump or situation about falling accidentally by button conduct on the switch than havoc power, prevented the impaired risk of switch and pad thereof effectively.

Should be understood that; The preferred embodiment that the above is merely the utility model is not sufficient to limit the technical scheme of the utility model, concerning those of ordinary skills; Within the spirit and principle of the utility model; Can increase and decrease according to above-mentioned explanation, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of the utility model accompanying claims.

Claims

1. a side press-key structure comprises the button that is movably arranged on side and is fixedly installed on the switch on the circuit board; It is characterized in that: said switch is set to have the travel switch of a lever arm, and said button is used for from the contacts side surfaces of said travel switch and pushes said lever arm in the process that moves.

2. side press-key structure according to claim 1 is characterized in that: said button comprises keycap and the key post that one connects; On the sidewall of said key post, extending one is used for from the contacts side surfaces of said travel switch and pushes the driving lever of said lever arm.

3. side press-key structure according to claim 2 is characterized in that: said driving lever comprises one one of the extension that is the connection of angle one and extends two ones; The axial setting of two said key posts in edge of said extension.

4. side press-key structure according to claim 3 is characterized in that: one one of said extension is vertically connected on the sidewall of said key post.

5. side press-key structure according to claim 3 is characterized in that: the contact jaw that is used for contacting at first said lever arm in two ones of the said extensions is provided with chamfering.

6. according to claim 4 or 5 described side press-key structures; It is characterized in that: said housing is provided with the key hole that adaptive said keycap passes through; The inboard of said housing is provided with saddle, and is corresponding with said key hole, and said saddle is provided with the through hole that adaptive said key post passes.

7. side press-key structure according to claim 6 is characterized in that: between said button and housing, be provided with and be used to spring that said button is returned to normal; Said spring housing is located on the said key post, and is supported between said driving lever and the saddle.

8. side press-key structure according to claim 6 is characterized in that: the edge of said circuit board is provided with the adaptive open slot that holds said saddle.

9. side press-key structure according to claim 1 is characterized in that: said switch with SMT mode paster on said circuit board; Said lever arm is arranged on the side of said switch.

10. a mobile phone comprises housing and inner circuit board thereof, and it is characterized in that: said housing is provided with like each described side press-key structure in the claim 1 to 9.