Elastic arm key structure
Technical field
The present invention relates to a kind of elastic arm key structure, particularly a kind of elastic arm key structure that is applied to have the electronic installation of touch control unit.
Background technology
Present electronic installation is the notebook computer, mobile phone, personal digital assistant (the Personal Digital Assistant that use always of people for example; PDA) and the function of digital camera constantly strengthen, and the function of these electronic installations is chosen and must be finished by the button on the control panel that is arranged at electronic installation, so will cause number of keys to increase.For complying with the portable development trend of electronic installation, it is impossible to increase number of keys, has only the keypress function of employing many with satisfying the above-mentioned facts.So design four directionkeys ingenious, that area occupied is less and powerful promptly arise at the historic moment, and become standard configuration such as notebook computer, mobile phone, personal digital assistant and digital camera.
See also Fig. 1, be the press-key structure schematic diagram of prior art, as shown in the figure, this press-key structure 1 for the four directions that is applied to notebook computer to button, and in this notebook computer relatively this press-key structure 1 be provided with four touch control units (figure does not mark).This press-key structure 1 is made up of press section 10, four elastic joint parts 11 and two fixed parts 12; Wherein, this press section 10 pushes along this that direction moves and can touch aforementioned this touch control unit, this four elastic joint part 11 is symmetricly set in 10 both sides, press section, after discharging, the external force of these press section 10 pressurizeds provides elastic-restoring force, this fixed part 12 is connected to this elastic joint part 11, to be fixed on this notebook computer.
After this press-key structure 1 is arranged at this notebook computer by this fixed part 12, the user can be by pushing this press section 10 and making this elastic joint part 11 that strain take place, thereby make this press section 10 touch touch control unit (figure does not mark), with input control information, the elastic-restoring force that is provided by this elastic joint part 11 makes this press section 10 return back to original position in pushing after external force discharges then.
Yet, the elastic joint part 11 of this kind press-key structure 1 is not because of there being the structure of any reinforcement rigidity, cause respectively these elastic joint part 11 discontinuity equalizations, can produce big displacement in the non-direction of pushing when pushing this press section 10, button is produced rock, use and influence button, What is more, may rock because of button and cause the press section repeatedly to trigger touch control unit (figure do not mark) in 11 short time, cause non-essential misoperation.
See also Fig. 2, press-key structure schematic diagram for another prior art, as shown in the figure, this press-key structure design is designed to U type bending structure to elastic joint part 21, attempt strengthens the rigidity of elastic joint part 21, so, when the user pushes directionkeys about this, because of the deflection that this elastic joint part 21 is provided limited, and no any connection between each elastic joint part 21, push the local time of this press section 20 in the user,, cause this press-key structure 2 to produce and rock so still can produce distortion power because of these elastic joint part 21 discontinuity equalizations respectively.
Therefore, how a kind of press-key structure that overcomes above-mentioned prior art various shortcoming is provided, produces the problem that button rocks when pushing this press section, simultaneously with solution, make simple in structure and don't increase design cost, the technical problem that needs to be resolved hurrily at present for the dealer of association area in fact.
Summary of the invention
In view of the shortcoming of above-mentioned prior art, main purpose of the present invention is to provide a kind of elastic arm key structure, to solve the problem that button rocks.
Another object of the present invention is to provide a kind of elastic arm key structure, make simple in structure and don't the increase design cost.
For reaching above-mentioned purpose and other relevant purpose, the invention provides a kind of elastic arm key structure, be applied to have in the electronic installation of touch control unit, touch this touch control unit and input control information for pushing, this elastic arm key structure comprises: the press section, be provided with respect to this touch control unit, be used for moving this touch control unit of shake-up along pushing direction; A plurality of limiting sections are arranged at the external margin of this press section, only move in pushing direction for limiting this press section; A plurality of elastic joint parts are connected in this both sides, press section, with the formation resilient arm structure, thereby provide balanced back stretch after the external force of this press section pressurized discharges; And a plurality of ribs, be erected between at least two these elastic joint parts, thereby strengthen the rigidity of this elastic joint part.
Aforementioned elastic arm key structure provided by the present invention also comprises fixed part, and it is connected in this elastic joint part for being fixed in this electronic installation.In preferred embodiment of the present invention, that this press section is selected from is square, circular or oval tabular thing; This limiting section is symmetrical arranged according to this press section, and preferably, this limiting section is a tenon; The quantity of this elastic joint part is four, and wherein, these four elastic portion are symmetricly set in these both sides, press section; This rib is set up and is placed between at least two these elastic joint parts, and to form geometry, preferably, that this geometry is selected from is trapezoidal, triangle, rhombus or parallelogram; This limiting section, this elastic joint part, this rib and this fixed part and this press section are one-body molded; This electronic installation is notebook computer, personal digital assistant (Personal Digital Assistant; PDA), mobile phone or digital camera.
Than prior art, the external margin of elastic arm key structure of the present invention in the press section is symmetrical arranged a plurality of limiting sections, being used to limit this press section only moves in pushing direction, simultaneously, between each two elastic joint part, rib is set, and strengthened the rigidity of this elastic joint part, and eliminate the distortion power that is created in when pushing this press section on each elastic joint part, easily produce the problem of rocking to solve button, thereby effectively by this elastic arm key structure input control information, simultaneously, this elastic arm key structure is simple in structure and don't increase design cost because of it, so can improve industrial utilization.
Description of drawings
Fig. 1 is shown as the press-key structure schematic diagram of prior art;
Fig. 2 is shown as the press-key structure schematic diagram of another prior art;
Fig. 3 is shown as the schematic diagram of the preferred embodiment of elastic arm key structure of the present invention;
The embodiment that Fig. 4 is shown as elastic arm key structure of the present invention is applied to the assembling schematic diagram of electronic installation.
Description of reference numerals
1 press-key structure
10 press sections
11 elastic joint parts
12 fixed parts
2 press-key structures
20 press sections
21 elastic joint parts
22 fixed parts
3 elastic arm key structures
30 press sections
31 limiting sections
32 elastic joint parts
33 ribs
34 fixed parts
4 electronic installations
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the disclosed content of this specification.The present invention also can be implemented or be used by other different instantiation, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
Moreover, be the schematic diagram of simplification with figure below, and basic conception of the present invention only is described in a schematic way, only show the parts relevant among the figure but not part count, shape and size drafting when implementing according to reality with the present invention, the change that kenel, quantity and the ratio of each parts can be random during its actual enforcement, and its component layouts kenel may be more complicated.
See also shown in Figure 3ly, show the schematic diagram of the elastic arm key structure of preferred embodiment of the present invention.The invention provides a kind of elastic arm key structure 3, be applied to have in the electronic installation of touch control unit, touch this touch control unit and input control information in order to push, wherein, this electronic installation for example is notebook computer, personal digital assistant (Personal DigitalAssistant; PDA), mobile phone or digital camera etc.Present embodiment is to be that notebook computer is that example describes with this electronic installation, but is not as limit.
This elastic arm key structure 3 comprises press section 30, a plurality of limiting section 31, a plurality of elastic joint part 32 and a plurality of rib 33, in present embodiment, this elastic arm key structure 3 also comprises fixed part 34, wherein, this limiting section 31, this elastic joint part 32, this rib 33 and this fixed part 34 are one-body molded with this press section 30.Present embodiment with this limiting section 31, this elastic joint part 32, this rib 33 and this fixed part 34 be one-body molded with this press section 30 be that example describes, but be not as limit.Below the design of elastic arm key structure 3 of the present invention is elaborated:
This press section 30, it is provided with respect to this touch control unit (not icon), is used for moving and touching this touch control unit (not icon) along pushing direction, in present embodiment, this press section 30 is selected from square, circular or oval tabular thing.
This limiting section 31, it is arranged at the external margin of this press section 30, only moves in pushing direction for limiting this press section 30, and in present embodiment, this limiting section 31 is symmetrical arranged according to this press section 30, and this limiting section 31 is made the tenon shape.This limiting section 31 is used to limit the non-displacement of pushing direction that produces when pushing this press section 30.
This elastic joint part 32, be connected in this 30 both sides, press section, to form resilient arm structure, and strain when pushing this press section 30, the user takes place, and when the external force of pushing disappears, provide back stretch, make this press section 30 return back to original position, in present embodiment, the quantity of this elastic joint part 32 is four, and these four elastic portion 32 are to be symmetricly set in this 30 both sides, press section.
This rib 33, it is set up and places between at least two these elastic joint parts 32, thereby strengthen the rigidity of this elastic joint part 32, in present embodiment, this rib 33 is a Construction integration with this elastic joint part 32, this rib is erected between two these elastic joint parts at least, and forming geometry, and this geometry system is selected from trapezoidal, triangle, rhombus or parallelogram.
What should be specified is, in present embodiment, because of this limiting section 31, this elastic joint part 32, this rib 33 and this fixed part 34 one-body molded with this press section 30, so this elastic arm key structure 3 can be connected and fixed on this electronic installation by fixed part 34, and this press section 30 that is arranged on this elastic arm key structure 3 does not contact this electronic installation, and has certain interval between this electronic installation 4.
For further highlighting principle of the present invention and effect, be that notebook computer is example and describes in conjunction with Fig. 4 hereinafter with this electronic installation 4, fix this elastic arm key structure 3 on this electronic installation 4 by this fixed part 34, and this press section 30 on this elastic arm key structure 3 does not contact this electronic installation 4, so that have certain interval between this press section 30 and this electronic installation 4, thereby help this elastic joint part 32 elastic deformation takes place.When desiring to make this, the user is shown in cursor on this electronic installation 4 (being notebook computer) when moving, can make this elastic joint part 32 that strain take place by pushing this press section 30, because of press section 30 local pressures, cause on this elastic joint part 32 and can produce distortion power, at this moment, thereby can disperse stressed by this physical structure with the rib 33 that this elastic joint part 32 is an one, to reach the purpose of eliminating distortion power on this elastic joint part 32, meanwhile, and this limiting section 31 that is arranged on these press section 30 external margins also can limit non-displacement of pushing direction, make this press section 30 stably trigger the touch control unit of this electronic installation 4, the problem that the button that produces because of press section 30 local pressures when thus, this elastic arm key structure 3 can be eliminated button operation rocks.
In summary, the external margin of elastic arm key structure of the present invention in the press section is symmetrical arranged a plurality of limiting sections, be used to limit this press section in the non-displacement while of pushing direction, a plurality of ribs are set on this elastic joint part, strengthen the rigidity of this elastic joint part, be created in distortion power on each elastic joint part because of this press section local pressure when pushing this press section with elimination, thus, easily produce the problem of rocking to solve button, thereby effectively by this elastic arm key structure input control information, therefore, use aforementioned many shortcomings that the present invention can overcome prior art, and the tool high industrial utilization.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, the scope of the present invention, claims are listed as the aforementioned.