Keyboard and its multi gear location structure for portable terminal
Technical field
The present invention relates to technical field of electronic equipment more particularly to a kind of keyboard and its multi gear for portable terminal are fixed
Bit architecture.
Background technology
With the development of tablet computer, the two-in-one business office tablet computer with keyboard has become a kind of faddish trend.Disappear
Requirement of the person of expense to it is also more and more, for example, cost wants low, frivolous handy, and energy assistant flat-plate to be wanted to fill with bluetooth, battery
Electricity can renovate positioning etc..
Removably the two-in-one business office tablet computer with keyboard includes mainly tablet computer and Split-type keyboard, warp
Market survey is crossed, it is to pass through that the discovery flat computer keyboard that positioning is renovated in existing realization on the market, which mainly has two major classes, one kind,
Shaft is connect with tablet computer, and another kind is the tablet electricity realized by the protection leather sheath that shields, but connected by shaft
Brain appearance not naturally, and cost it is higher, angular adjustment and dismounting are simultaneously inconvenient;And the tablet computer connected by leather sheath, though
Right structure is relatively easy, but leather sheath service life is limited, and angle positioning is unreliable, is easy the leather sheath toppled over by external force, and partially thick
Also the moulded of tablet computer is affected.
Invention content
In view of the shortcomings of the prior art, the present invention provides a kind of not increasing key disc thickness, convenient for disassembly and assembly, angle is fixed
Reliable, the beautiful keyboard and its multi gear location structure for portable terminal in position.
In order to achieve the above purpose, present invention employs the following technical solutions:
A kind of multi gear location structure of keyboard for portable terminal, including shell and sliding sleeve, the shell include
The side plate at both ends, the outer surface being oppositely arranged between two side plates be cambered surface arc directing plate and be used to support just
Take the support plate at formula terminal back and from the elastic clicking section that the arc directing plate protrudes;The sliding sleeve outer surface is arc
Face, including inner surface open up for portable terminal lower end be inserted into slot and outer surface it is circumferentially-spaced open up it is multiple
The both ends of locating slot, the sliding sleeve are slidably disposed on the side plate, and the elasticity clicking section is selectively inserted into institute
It states in one of locating slot.
Further, the both ends of the length direction of the sliding sleeve are convexly equipped with guide shaft respectively, and confession is offered on the side plate
The arc-shaped guide rail that the guide shaft is worn.
Further, the outer surface of the sliding sleeve is further opened with the guide groove of the arc along its circumferentially extending, each described
Multiple locating slots are offered in guide groove, the elasticity clicking section is embedded in the guide groove and can be in the different positioning
Switch between slot.
Further, the outer surface of the sliding sleeve is also convexly equipped with block, and the shell further includes protruding from the arc
Deviate from blocking portion at the top of the arc directing plate at the top of directing plate, for limiting the block.
Further, it is provided on the arc directing plate and accommodates and slide for the block when portable terminal is rotated
Arc sub- guide groove.
Further, the shell further includes the holder being set between the arc directing plate and the support plate, described
The free end of holder is stretched out towards the lower end of the sliding sleeve.
Further, the shell is integrally formed.
Alternatively, the shell is spliced by plurality of plates.
Further, the cambered surface center of the arc directing plate is in the end of the support plate.
Another object of the present invention is to provide a kind of keyboard for portable terminal, including it is above-mentioned for portable
The multi gear location structure of the keyboard of terminal.
The present invention is the rotation and positioning for realizing the portable terminal coordinated with it merely with the shell of keyboard, is not increased
Plus key disc thickness, it is convenient for disassembly and assembly, positioning is reliable and beautiful.Can be by the way that portable terminal be inserted in sliding sleeve, portable terminal
When keyboard relative to lower part rotates, the both ends of sliding sleeve are limited by the side plate of both sides and are guided sliding, the outer surface of sliding sleeve
Arcuately guiding plate surface sliding, sliding sleeve outer surface is selectively caught in by the elastic clicking section that arc directing plate protrudes
Portable terminal can be supported on to corresponding open angle in one of locating slot;Meanwhile portable terminal rear portion
Support plate is used as the rotation of fulcrum support portable terminal, the blocking portion at the top of arc directing plate and sliding sleeve outer surface
Block cooperation can stop that sliding sleeve deviates from keyboard, and the maximum for limiting portable terminal opens angle, opposite with sliding sleeve bottom
Holder can prevent sliding sleeve from crossing arc directing plate, and the minimum for limiting portable terminal opens angle.
Description of the drawings
The keyboard and the structural schematic diagram after portable terminal assembling that Fig. 1 is the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the sliding sleeve of the embodiment of the present invention.
Fig. 3 is the use state diagram of the maximum support angle of the keyboard of the embodiment of the present invention.
Fig. 4 is the broken section structural schematic diagram of Fig. 3.
Fig. 5 is another broken section structural schematic diagram of Fig. 3.
Fig. 6 is another part section structural representation of Fig. 3.
Fig. 7 is the use state diagram of the minimum support angle of the keyboard of the embodiment of the present invention.
Fig. 8 is the broken section structural schematic diagram of Fig. 7.
Fig. 9 is another broken section structural schematic diagram of Fig. 7.
Figure 10 is another part section structural representation of Fig. 7.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Refering to fig. 1, keyboard 2 of the invention can be used for the smart mobile phone with various portable terminals 1 such as tablet computer, large-size screen monitors
Etc. being used cooperatively, it is the rotation and positioning for realizing the portable terminal coordinated with it merely with the shell of keyboard, does not increase
Keyboard thickness, it is convenient for disassembly and assembly, positioning is reliable and beautiful.
Keyboard includes shell 10, sliding sleeve 20 and various buttons 30, wherein shell 10 is as the load for carrying various buttons 30
Body, sliding sleeve 20 are fixed in the cavity of 10 front end of shell, and can be inserted portable terminal 1 and be rotated together.Shell 10
The multi gear location structure that keyboard is cooperatively formed with sliding sleeve 20, such as Fig. 2~4, shell 10 includes the side plate 10a at both ends, is located at two
The outer surface being oppositely arranged between a side plate 10a is the arc directing plate 10b of cambered surface and is used to support portable terminal back
The support plate 10c and elastic clicking section 10d protruded from arc directing plate 10b;20 outer surface of sliding sleeve is cambered surface, inner surface
Recess forms the slot 21 being inserted into for portable terminal, and the circumferentially-spaced of outer surface offers multiple locating slots 22, sliding
The both ends of set 20 are slidably disposed on side plate 10a, and elastic clicking section 10d is optionally inserted into wherein the one of locating slot 22
In a, the adjusting of portable terminal angle is realized.The present embodiment illustrates only the situation of two regulation stalls, it is possible to understand that
Be, in other embodiments, the folding gear of portable terminal 1 can there are many kinds of, by portable terminal 1 with different
Angle is supported on keyboard 2.
If the both ends of Fig. 2, the length direction of sliding sleeve 20 are convexly equipped with guide shaft 200 respectively, offered for guide shaft on side plate 10a
The 200 arc-shaped guide rail 100a worn, arc-shaped guide rail 100a can be arc groove or arcuate socket, preferably arc directing plate 10b's
In the end of support plate 10c, i.e. the contact site at support plate 10c and 1 back of portable terminal is the arc of side plate 10a at cambered surface center
The outer surfaces shape directing plate 10b, arc-shaped guide rail 100a, sliding sleeve 20 outer surface where circle the center of circle.In other embodiments,
The installation position of guide shaft and guide rail can also be exchanged, i.e. on side plate 10a, arc-shaped guide rail is arranged in sliding sleeve 20 for guide shaft projection
On.
It is situation when portable terminal 1 is supported on maximum support angle state in conjunction with Fig. 5 and Fig. 6.When needing to adjust
Folding angle of the portable terminal 1 relative to keyboard 2 only need to be by portable terminal 1 backwards when increasing angle between the two
It pushes away, portable terminal 1 is rotated clockwise using the support plate 10c at back as rotation center, drives the guide shaft 200 at 20 both ends of sliding sleeve
Slid clockwise is to an extreme end (such as Fig. 6) in the arc-shaped guide rail 100a of both sides, when elastic clicking section 10d is caught in sliding sleeve 20
After in one locating slot 22 of outer surface, external force is removed, portable terminal 1 can be support plate 10c's and elasticity clicking section 10d
It remains static under support, portable terminal 1 is firmly supported on corresponding folding angle.At this point, 20 part of sliding sleeve is stretched
Go out shell 10 (such as Fig. 3).
It is situation when portable terminal 1 is supported on minimum support angle state such as Fig. 7~10.When needs are adjusted just
Folding angle of the formula terminal 1 relative to keyboard 2 is taken, it, only need to be facing forward by portable terminal 1 when reducing angle between the two
It draws, portable terminal 1 is rotated counterclockwise using the support plate 10c at back as rotation center, drives the guide shaft 200 at 20 both ends of sliding sleeve
Another extreme end (such as Figure 10) is slid into counterclockwise in the arc-shaped guide rail 100a of both sides, when elastic clicking section 10d is caught in sliding
After covering in another adjacent locating slot 22 of 20 outer surfaces, external force is removed, portable terminal 1 can be in support plate 10c and bullet
It is again at stationary state under the support of property clicking section 10d, portable terminal 1 is firmly supported on another folding angle.At this point,
Sliding sleeve 20 is entirely located in shell 10 (such as Fig. 7).
Preferably, in order to preferably guide sliding sleeve 20 to rotate, the outer surface of sliding sleeve 20 is further opened with prolongs along its circumferential direction
The guide groove 23 for the arc stretched, each guide groove 23 is interior to be equipped with row's locating slot 22, and elastic clicking section 10d is embedded in guide groove 23 and can
The sliding in guide groove 23, to switch between different locating slots 22.
If the outer surface of Fig. 2, the sliding sleeve 20 of the present embodiment are also convexly equipped with block 24, shell 10 further includes protruding from arc
Blocking portion 10e at the top of directing plate 10b, for preventing, 1 opening angle of portable terminal is excessive and block 24 is caused to deviate from arc
At the top of directing plate 10b.Such as Fig. 5, it is additionally provided on arc directing plate 10b when portable terminal is rotated and is accommodated for block 24 and sliding
The sub- guide groove 100b of dynamic arc.To prevent 1 opening angle of portable terminal is too small from sliding sleeve 20 being caused to deviate from keyboard body,
Shell 10 further includes being set to holder 10f between arc directing plate 10b and support plate 10c, and the free end of holder 10f is towards sliding sleeve
20 lower end is stretched out.
Shell 10 may be integrally formed, and can be spliced by plurality of plates, and preferably side plate 10a is long, resistance to using service life
The metal material of mill is made, and is fixed at this after separately fabricated.
The present invention is the rotation and positioning for realizing the portable terminal coordinated with it merely with the shell of keyboard, is not increased
Plus key disc thickness, it is convenient for disassembly and assembly, positioning is reliable and beautiful.Can be by the way that portable terminal be inserted in sliding sleeve, portable terminal
When keyboard relative to lower part rotates, the both ends of sliding sleeve are limited by the side plate of both sides and are guided sliding, the outer surface of sliding sleeve
Arcuately guiding plate surface sliding, sliding sleeve outer surface is selectively caught in by the elastic clicking section that arc directing plate protrudes
Portable terminal can be supported on to corresponding open angle in one of locating slot;Meanwhile portable terminal rear portion
Support plate is used as the rotation of fulcrum support portable terminal, the blocking portion at the top of arc directing plate and sliding sleeve outer surface
Block cooperation can stop that sliding sleeve deviates from keyboard, and the maximum for limiting portable terminal opens angle, opposite with sliding sleeve bottom
Holder can prevent sliding sleeve from crossing arc directing plate, and the minimum for limiting portable terminal opens angle.
The above is only the specific implementation mode of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection domain of the application.