CN102306578A - Key mechanism and electronic equipment of applying the same - Google Patents
Key mechanism and electronic equipment of applying the same Download PDFInfo
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- CN102306578A CN102306578A CN201110192842A CN201110192842A CN102306578A CN 102306578 A CN102306578 A CN 102306578A CN 201110192842 A CN201110192842 A CN 201110192842A CN 201110192842 A CN201110192842 A CN 201110192842A CN 102306578 A CN102306578 A CN 102306578A
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- button
- press button
- circuit board
- resiliency supported
- flexible clamping
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a key mechanism and electronic equipment of applying the same. The key mechanism comprises keys, a light transmission piece which is enclosed on the outer side of the keys, a circuit board which is provided with a power switch opposite to the keys and a light source positioned on the outer side of the power switch, and a connecting piece; elastic support is realized between the keys and the circuit board; and the supporting position of the circuit board is positioned between the power switch and the light source. In the key mechanism and the electronic equipment of applying the same provided by the invention, the connecting piece is used for realizing elastic support of the keys; thus, a cantilever structure is not required to be installed; accordingly, the condition that light rays generated by the light source are obstructed by the cantilever structure cannot occur; and thereby, the light transmission effect of the light transmission piece can be enhanced.
Description
Technical field
The present invention relates to press button mechanism and use its electronic equipment, particularly do not have the press button mechanism of cantilever design and use its electronic equipment.
Background technology
In the common various electronic equipments such as for example display, TV etc., can be provided with usually and be used to control its electric power starting and the button of closing.
Fig. 1 is the external view of the electronic equipment of existing application press button mechanism, and Fig. 2 is the interior views of the electronic equipment of existing application press button mechanism, and the electronic equipment shown in Fig. 1 and Fig. 2 is an example with a kind of display all.
At first referring to Fig. 1, the housing 11 of display 10 is equiped with a button 20, and this button 20 is exposed to the positive 11a of housing 11.From the positive 11a of housing 11 to housing 10 rear pressing keys 20, the mains switch (all not shown among Fig. 1 and Fig. 2) that can make button 20 trigger housings 10 rears, thus realization is to the unlatching or the shutoff operation of power supply.
Referring to Fig. 2, the back side 11b of housing 11 also is equiped with a cantilever 40 again.40 pairs of buttons 20 of this cantilever play the resiliency supported effect.When pressing keys 20 realized the unlatching of power supply or shutoff operation, cantilever 40 can produce towards housing 10 rears, promptly away from the elastic deformation on the direction of the back side 11b of housing 11; And behind EO,, produced elastically-deformable cantilever 40 and can drive button 20 and spring back to original position automatically as long as stop to the pushing of button 20.
In addition; Simultaneously referring to Fig. 1 and Fig. 2; Be in opening or closed condition for the user can tell power supply, housing 10 rears be provided with can be behind electric power starting luminous light source (all not shown among Fig. 1 and Fig. 2), and the back side 11b of housing 11 is fixed with transmission element 30.This transmission element 30 is enclosed in the outside of button 20 and the positive 11a that part is exposed to housing 11.Like this, when power supply was in opening, the light that light source produces is 11b from the directive back side, the rear of housing 11, and can be transmitted through through the transmission element 30 that is fixed in back side 11b around the button 20 of positive 11a of housing 11; And when power supply was in closed condition, transmission element 30 places of the positive 11a of housing 11 did not then have light and appear.
And; In Fig. 2, it can also be seen that; Transmission element 30 is positioned at cantilever 40 near back side 11b one side of housings 11 rather than be positioned at back side 11b one side of cantilever 40 away from housing 11, hinders cantilevers 40 away from the elastic deformation on the direction of the back side 11b of housing 11 in order to avoid transmission element 30.
But, so just cause the part (scope of drawing a circle to approve like the dotted line circle among Fig. 2) of transmission element 30 to be covered by cantilever 40.The light that produces when light source is from the directive back side, the rear of housing 11 during 11b; The part of transmission element 30 is owing to covered by cantilever 40 and can't make light be transmitted through the positive 11a of housing 11 from this part, thereby causes the positive 11a of housing 11 to be produced shade at transmission element 30 by the part place that cantilever 40 covers.
Summary of the invention
In view of this, the present invention provides a kind of press button mechanism and uses its electronic equipment.
According to a first aspect of the invention, a kind of press button mechanism is provided.This press button mechanism comprises: button; Transmission element is enclosed in the said button outside; Circuit board is equiped with mains switch and light source, and said mains switch is relative with said button, and said light source is positioned at the outside of said mains switch; Connector is realized resiliency supported between said button and said circuit board, and in the Support Position of said circuit board between said mains switch and said light source.
According to described press button mechanism, said connector comprises: Embedded Division is embedded in the said button; Flexible clamping portion, the place is connected in said circuit board in said Support Position; Resiliency supported portion extends between said Embedded Division and said flexible clamping portion and the two ends on bearing of trend are connected said Embedded Division and said flexible clamping portion respectively.
According to described press button mechanism, said button has the resettlement section, and the opening of said resettlement section is towards said mains switch; Said Embedded Division is in said opening is embedded in said resettlement section.
According to described press button mechanism, said button also has contact site, said contact site in said resettlement section to said opening towards said mains switch protrusion; Said Embedded Division is hollow shape and is enclosed in the said contact site outside.
According to described press button mechanism; Said circuit board has towards said button and said transmission element and installs the first surface of said mains switch and said light source and the second surface of said dorsad button and said transmission element, and said circuit board also offers the through hole that penetrates into said second surface from said first surface at place, said Support Position; The end that said resiliency supported portion connects said flexible clamping portion be inserted in the said through hole and with said through hole interference fit; The side that said through hole is connected to said second surface is passed by said flexible clamping portion.
According to described press button mechanism, said flexible clamping portion is taper; The top of said taper said dorsad resiliency supported portion, the bottom of said taper connects the cross-section radial size of bottom of a said end and said taper of said resiliency supported portion greater than the cross-section radial size of said through hole.
According to described press button mechanism, said through hole, said flexible clamping portion and said resiliency supported portion be a plurality of and quantity identical.
According to described press button mechanism, said through hole, said flexible clamping portion and said resiliency supported portion are 3 and be angular distribution.
According to described press button mechanism, said connector is processed by elastomeric material.
According to a second aspect of the invention, a kind of electronic equipment is provided.This electronic equipment comprises above-mentioned press button mechanism.
As above visible; Press button mechanism provided by the invention and using in its electronic equipment; Utilize connector to realize resiliency supported to button; Thereby just do not need to be provided with again cantilever design; Correspondingly; Just can not occur the situation that light that light source produces is blocked by cantilever design yet, thereby can improve the translucent effect of transmission element.
Description of drawings
Fig. 1 is the external view of the electronic equipment of existing application press button mechanism;
Fig. 2 is the interior views of the electronic equipment of existing application press button mechanism;
Fig. 3 is the sketch map of press button mechanism under decomposing state in the embodiment of the invention;
Fig. 4 is the sketch map of press button mechanism under confined state in the embodiment of the invention;
Fig. 5 is the sketch map at the connector shown in Fig. 3 and Fig. 4;
Fig. 6 is the assembling sketch map at connector shown in Fig. 3 and Fig. 4 and button;
Fig. 7 is the sketch map of electronic equipment under decomposing state of applications keys mechanism in the embodiment of the invention;
Fig. 8 is the sketch map of electronic equipment under confined state of applications keys mechanism in the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to further explain of the present invention.
Please be simultaneously referring to Fig. 3 and Fig. 4, Fig. 3 is the sketch map of press button mechanism under decomposing state in the embodiment of the invention, Fig. 4 is the sketch map of press button mechanism under confined state in the embodiment of the invention.Like Fig. 3 and shown in Figure 4, the press button mechanism in this embodiment comprises:
Wherein, connector 80 can be processed by elastic materials such as for example rubber, so that produce the effect of resiliency supported.
Thus it is clear that,, thereby just do not need to be provided with again like cantilever 40 structures described in the prior art because connector 80 can be realized the resiliency supported to button 50.And; Connector 80 in the Support Position of circuit board 70 between mains switch 71 and light source 72, be the outside that light source 72 is distributed in connector 80; Therefore; The light that light source 72 produces can be enclosed in the transmission element 60 in button 50 outsides from the outside arrival of connector 80 and can not receive stopping of connector 80; Thereby the situation that light is blocked by cantilever 40 in the prior art can improve the translucent effect of transmission element 60.
Also combining Fig. 3 and Fig. 4, Fig. 5 simultaneously referring to Fig. 5 again is the sketch map at the connector shown in Fig. 3 and Fig. 4.This connector 80 comprises:
Embedded Division 80a, it is embedded in the button 50, in order to realize being fixedly connected of connector 80 and button 50;
The 80b of flexible clamping portion, it is connected in circuit board 70 at place, above-mentioned Support Position, in order to realize being fixedly connected of connector 80 and circuit board 70;
The 80c of resiliency supported portion, it extends between Embedded Division 80a and the 80b of flexible clamping portion and the two ends on bearing of trend are connected Embedded Division 80a and the 80b of flexible clamping portion respectively, in order to realize the resiliency supported of connector 80 between button 50 and circuit board 70.
About Embedded Division 80a and with being connected of the 80c of resiliency supported portion, please referring to Fig. 5 and combine Fig. 3 and Fig. 4 in combine Fig. 6 again, Fig. 6 is the assembling sketch map at connector shown in Fig. 3 and Fig. 4 and button.
In addition, in order to trigger mains switch 71 better, button also has a contact site 50b, this contact site 50b in the 50a of this resettlement section to this opening towards mains switch 71 protrusion.Therefore; Embedded Division 80a is hollow shape, promptly comprises the wall 80a-2 that can supply the hollow parts 80a-1 that contact site 50b passes and be looped around this hollow parts 80a-1 outside, thereby makes Embedded Division 80a when being embedded in this resettlement section 50a, be enclosed in the contact site 50b outside.
Correspondingly, the 80c of resiliency supported portion has an end 80c-1 who connects Embedded Division 80a, and this end 80c-1 promptly is connected the wall 80a-2 place in the hollow parts 80a-1 outside of Embedded Division 80a.
About the 80b of flexible clamping portion and with being connected of the 80c of resiliency supported portion, please especially pay close attention to Fig. 4 and Fig. 5.
The 80c of resiliency supported portion also has the end 80c-2 that connects the flexible clamping 80b of portion and the ennation 80c-3 between an end 80c-1 who connects Embedded Division 80a and an end 80c-2 who is connected the 80b of flexible clamping portion.Wherein, An end 80c-2 who connects the flexible clamping 80b of portion be inserted in the through hole 700 and with through hole 700 interference fit, and the 80c of resiliency supported portion connects the side that the ennation 80c-3 of an end 80c-1 and the 80c of resiliency supported portion of Embedded Division 80a all is limited in the first surface 70a of circuit board 70.
The 80b of flexible clamping portion then passes through hole 700 and is connected to the side of the second surface 70b of circuit board 70.Specifically, the 80b of flexible clamping portion is taper; The top 80b-1 of this taper is the 80c of resiliency supported portion dorsad, and the bottom 80b-2 of this taper connects the resiliency supported 80c of portion and is inserted in the end 80c-2 in the through hole.That is it is barb-like that, the 80b of flexible clamping portion forms the mushroom of the 80c of resiliency supported portion dorsad.
And the cross-section radial size of the bottom 80b-2 of this taper of the 80b of flexible clamping portion is under normal conditions greater than the cross-section radial size of through hole 700.Like this, the 80b of flexible clamping portion can pass through hole 700 from the side of first surface 70a by force under the situation that receives the extruding of through hole 700 inwalls, passing the side that the rear flank of through hole 700 to second surface 70b returns to normal and be connected in second surface 70b.
Preferably, through hole 700, the 80b of flexible clamping portion and the 80c of resiliency supported portion quantity are identical and be 3 and be positive angular distribution, can guarantee the stable of resiliency supported like this.But in practical application, through hole 700, the 80b of flexible clamping portion and the 80c of resiliency supported portion also can be other identical quantity.
Preferred structure based on as shown in Figure 5 connector 80:
After button 50 is pushed by the first surface 70a towards mains switch 71 places; Button 50 can be at the Embedded Division 80a that on the direction of first surface 70a, promotes connector 80, again by the Embedded Division 80a of connector 80 at the 80c of resiliency supported portion that on the direction of first surface 70a, promotes this connector 80.Because the 80c of resiliency supported portion and through hole 700 interference fit of this connector 80; The 80c of resiliency supported portion can't be to the second surface 70b of circuit board 70 side shifting; Thereby the 80c of resiliency supported portion also can receive the reverse resistance from through hole 700 places being embedded into the 80a of portion when on the direction of first surface 70a, promoting, thereby between button 50 and first surface 70a, is extruded distortion.
After the contact site 50b of button 50 touched mains switch 71 realization unlatchings or shutoff operation, the power of extruding button 50 disappeared.At this moment, the 80c of resiliency supported portion of connector 80 returns to normality automatically and promotes Embedded Division 80a in the direction away from first surface 70a from the crimp state, thereby again button 50 is pushed back to original position by Embedded Division 80a.
In the practical application, can utilize the post forming technology that button 50 and connector 80 are shaped to one according to aforesaid connected mode.That is, first moulding connector 80 is put into connector 80 to the mould of button 50 then, when molding button 50, also connector 80 and button 50 is bonded as one according to above-mentioned connected mode.
See also Fig. 7 and Fig. 8; Fig. 7 is the sketch map of electronic equipment under decomposing state of using in the embodiment of the invention like Fig. 3 and press button mechanism shown in Figure 4, and Fig. 8 is the sketch map of electronic equipment under confined state of using in the embodiment of the invention like Fig. 3 and press button mechanism shown in Figure 4.
This electronic equipment 90 has housing 91, foregoing press button mechanism and support 73.
This housing 91 has the hollow part 92 that penetrates into its back side 91b from its positive 91a.
80 of connectors in the foregoing press button mechanism are realized resiliency supported between button 50 and circuit board 70, but button 50 be stabilized in the hollow part 92 and make button 50 at quilt automatic homing after circuit board 70 is pushed.
Referring to Fig. 8 and to compare Fig. 2 of prior art visible, there is not the cantilever that can block transmission element 60 in the back side 91b of housing 91, and connector 80 can not form blocking transmission element 60 yet.Therefore, above-mentioned electronic equipment 90 need be provided with cantilever 40 electronic equipments 10 in press button mechanism in prior art, can improve the translucent effect of transmission element 60.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (10)
1. a press button mechanism is characterized in that, this press button mechanism comprises:
Button;
Transmission element is enclosed in the said button outside;
Circuit board is equiped with mains switch and light source; Said mains switch is relative with said button, and said light source is positioned at the outside of said mains switch;
Connector is realized resiliency supported between said button and said circuit board, and in the Support Position of said circuit board between said mains switch and said light source.
2. press button mechanism according to claim 1 is characterized in that, said connector comprises:
Embedded Division is embedded in the said button;
Flexible clamping portion, the place is connected in said circuit board in said Support Position;
Resiliency supported portion extends between said Embedded Division and said flexible clamping portion and the two ends on bearing of trend are connected said Embedded Division and said flexible clamping portion respectively.
3. press button mechanism according to claim 2 is characterized in that,
Said button has the resettlement section; The opening of said resettlement section is towards said mains switch;
Said Embedded Division is in said opening is embedded in said resettlement section.
4. press button mechanism according to claim 3 is characterized in that,
Said button also has contact site; Said contact site in said resettlement section to said opening towards said mains switch protrusion;
Said Embedded Division is hollow shape and is enclosed in the said contact site outside.
5. press button mechanism according to claim 2 is characterized in that,
Said circuit board has towards said button and said transmission element and installs the first surface of said mains switch and said light source and the second surface of said dorsad button and said transmission element, and said circuit board also offers the through hole that penetrates into said second surface from said first surface at place, said Support Position;
The end that said resiliency supported portion connects said flexible clamping portion be inserted in the said through hole and with said through hole interference fit;
The side that said through hole is connected to said second surface is passed by said flexible clamping portion.
6. press button mechanism according to claim 5 is characterized in that, said flexible clamping portion is taper; The top of said taper said dorsad resiliency supported portion, the bottom of said taper connects the cross-section radial size of bottom of a said end and said taper of said resiliency supported portion greater than the cross-section radial size of said through hole.
7. press button mechanism according to claim 5 is characterized in that, said through hole, said flexible clamping portion and said resiliency supported portion be a plurality of and quantity identical.
8. press button mechanism according to claim 7 is characterized in that, said through hole, said flexible clamping portion and said resiliency supported portion are 3 and be angular distribution.
9. press button mechanism according to claim 1 is characterized in that said connector is processed by elastomeric material.
10. an electronic equipment is characterized in that, comprises in this electronic equipment according to each described press button mechanism in the claim 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201110192842 CN102306578B (en) | 2011-07-01 | 2011-07-01 | Key mechanism and electronic equipment of applying same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201110192842 CN102306578B (en) | 2011-07-01 | 2011-07-01 | Key mechanism and electronic equipment of applying same |
Publications (2)
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CN102306578A true CN102306578A (en) | 2012-01-04 |
CN102306578B CN102306578B (en) | 2013-10-30 |
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Application Number | Title | Priority Date | Filing Date |
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CN 201110192842 Expired - Fee Related CN102306578B (en) | 2011-07-01 | 2011-07-01 | Key mechanism and electronic equipment of applying same |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05205560A (en) * | 1992-01-24 | 1993-08-13 | Canon Inc | Switch holding structure of image forming device |
US20080000763A1 (en) * | 2004-10-15 | 2008-01-03 | James Cove | Push Button Assembly |
CN201084598Y (en) * | 2007-05-18 | 2008-07-09 | 倚天资讯股份有限公司 | Key module and electronic device with same |
CN201689803U (en) * | 2010-06-03 | 2010-12-29 | 广州广日电气设备有限公司 | Button switch |
-
2011
- 2011-07-01 CN CN 201110192842 patent/CN102306578B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05205560A (en) * | 1992-01-24 | 1993-08-13 | Canon Inc | Switch holding structure of image forming device |
US20080000763A1 (en) * | 2004-10-15 | 2008-01-03 | James Cove | Push Button Assembly |
CN201084598Y (en) * | 2007-05-18 | 2008-07-09 | 倚天资讯股份有限公司 | Key module and electronic device with same |
CN201689803U (en) * | 2010-06-03 | 2010-12-29 | 广州广日电气设备有限公司 | Button switch |
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CN102306578B (en) | 2013-10-30 |
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