CN102072247A - Rotation angle limiting device and portable electronic device with same - Google Patents
Rotation angle limiting device and portable electronic device with same Download PDFInfo
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- CN102072247A CN102072247A CN2009102237843A CN200910223784A CN102072247A CN 102072247 A CN102072247 A CN 102072247A CN 2009102237843 A CN2009102237843 A CN 2009102237843A CN 200910223784 A CN200910223784 A CN 200910223784A CN 102072247 A CN102072247 A CN 102072247A
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- driven member
- rotating shaft
- limiting device
- protuberance
- angle limiting
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Abstract
The invention relates to a rotation angle limiting device and a portable electronic device with the same. The upper part of the limiting device can rotate towards a first direction or second direction, and the limiting device comprises a base, a driven piece, an elastic piece, a first rotating shaft, a second rotating shaft and at least one cam, wherein the base comprises an accommodating part and at least one positioning part; the driven piece is sleeved in the accommodating part, can rotate relative to the base and is provided with a first actuating position and a second actuating position; when the driven piece is at the second actuating position, the driven piece is limited by the positioning part and cannot rotate; the elastic piece is positioned between the accommodating part and the driven piece; the first rotating shaft can rotate along the first direction and is linked with the driven piece; the second rotating shaft can rotate along the second direction; each cam comprises a first convex part and a concave arc part; the first convex part is adjacent to the concave arc part; when the driven piece is at the first actuating position, the first rotating shaft can rotate along the first direction; and when the first convex part applies pressure to the driven piece, the driven piece moves to the second actuating position, and the first rotating shaft cannot rotate along the first direction. The device limits a screen to laterally rotate when the opening and closing angle of the electronic device is too low or high.
Description
Technical field
The present invention relates to a kind of rotary angle limiting device and have the portable electron device of this rotary angle limiting device.
Background technique
In the prior art, existing screen can be the notebook computer that vertical running shaft is rotated mutually along two, it can rotate screen except the rotation of opening entire direction in addition in side direction.Because the angular range of opening entire rotation of notebook computer is generally 180 degree or spends near 180, when the entire angle too small of opening of notebook computer (for example near 0 degree) or excessive (for example near 180 degree), if when screen is rotated with side direction, easy scratch screen shell, and there is no the design that limit lateral is rotated when low or too high excessively of the entire angle of opening of notebook computer at present.
In order to reduce the situation of screen shell scratch, in the prior art, have below screen, to add wear-resisting rubber pad.When opening the excessive and side direction Rotation screen of entire angle, rubber pad directly contact as the rigid surface of desktop, thereby the damage of reduction screen housing.Just it also can't solve out entire angle when the small angle side direction is rotated, and makes the problem of screen housing scratch.
In addition, above-mentioned notebook computer is being opened entire angle when 0 degree is spent with 180, in order to allow screen and main frame be located, the general practice is the locating column that is convex shape in the edge setting of notebook computer main frame, in the mode of concavo-convex cooperation screen is fixed in main frame.Yet, use locating column not only can influence outward appearance, also can cause discomfort because of the user touches bump easily.
Therefore, the portable electron device that is necessary to provide a kind of rotary angle limiting device and has rotary angle limiting device, two problems that produced to solve above-mentioned prior art simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of rotary angle limiting device, be used for portable electron device, it can be for the side direction rotation of portable electron device at the specific time restriction screen of opening entire angular range.
Another object of the present invention is to provide a kind of portable electron device with rotary angle limiting device, it can be in the side direction rotation of the specific time restriction screen of opening entire angular range.
For reaching above-mentioned purpose, rotary angle limiting device of the present invention, be used for a portable electron device, this portable electron device comprises top and the bottom that is out entire angle mutually, top rotates with respect to bottom Ke Chao first direction or towards second direction, wherein second direction is vertical in fact with first direction, and this rotary angle limiting device comprises: pedestal, this pedestal comprise holding part and at least one positioning part; Driven member, this driven member is socketed on holding part, and can correspond to the pedestal rotation, and driven member corresponds to pedestal and has first activated position and second activated position, and when being positioned at second activated position, the driven member portion that is positioned limits and can't rotate; Elastic component, this elastic component are mounted between holding part and the driven member, to provide driven member by away from pedestal and the restoring force that moves towards the top; First rotating shaft, this first rotating shaft is articulated in holding part, and first running shaft can rotate along first direction, and first rotating shaft and driven member interlock; Second rotating shaft, this second rotating shaft is articulated in first rotating shaft, and second running shaft can rotate along second direction; And at least one cam, this cam connects second rotating shaft, and with the second rotating shaft interlock, each cam comprises first protuberance and concave-arc part, first protuberance is adjacent to concave-arc part; By said structure, when concave-arc part contacted driven member in fact, driven member was positioned at first activated position, make driven member and at least one localization part from, first rotating shaft can be rotated along first direction; When first protuberance applied pressure to driven member, driven member moved to second activated position, made driven member be positioned the positioning part, and first rotating shaft can't be rotated along first direction.
For reaching another above-mentioned purpose, the present invention also provides a kind of portable electron device.Particularly, this has the portable electron device of rotary angle limiting device, and it has above-mentioned rotary angle limiting device.
The side direction rotation that the present invention crosses low or too high time restriction screen in the entire angle of opening of portable electron device is to reduce the damage of screen housing.
Description of drawings
Fig. 1 is the schematic representation of portable electron device of the present invention.
Fig. 2 is the exploded view of rotary angle limiting device of the present invention.
Fig. 3 is 90 stereograms when spending for rotary angle limiting device of the present invention opening entire angle.
Fig. 4 is 115 stereograms when spending for rotary angle limiting device of the present invention opening entire angle.
Fig. 5 is slightly larger than 115 stereograms when spending for rotary angle limiting device of the present invention opening entire angle.
Fig. 6 is 180 stereograms when spending for rotary angle limiting device of the present invention opening entire angle.
Fig. 7 is slightly less than 65 stereograms when spending for rotary angle limiting device of the present invention opening entire angle.
The primary clustering symbol description:
Rotary angle limiting device 1 pedestal 10
Holding part 12 positioning parts 14
Contacting part 24 perforation 26
First rotating shaft, 30 second rotating shafts 40
The second protuberance 52a concave-arc part 54
Annular groove 72 C type rings 74
Open entire angle θ
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, cited below particularlyly go out specific embodiments of the invention, and cooperate appended accompanying drawing, be described in detail below.
Please refer to Fig. 1, Fig. 1 is the schematic representation of portable electron device of the present invention.Portable electron device 90 comprises top 92, bottom 94 and rotary angle limiting device 1.Rotary angle limiting device 1 is connected top 92 and bottom 94, and wherein the part of rotary angle limiting device 1 is positioned at top 92, and another part then is positioned at bottom 94.Be out entire angle θ between top 92 and the bottom 94, top 92 can rotate towards first direction 81 with respect to bottom 94, or can be towards second direction 82 rotations, and wherein second direction 82 is vertical in fact with first direction 81.Towards first direction 81 rotations, the screen 922 that can make top 92 is towards side direction or subtend by top 92.In the present embodiment, portable electron device 90 is a notebook computer, but the present invention is not as limit.
Yet, for instance, when opening entire angle θ following or 150 degree be above at 30 degree, if with top 92 arbitrarily towards first direction 81 rotations, that causes portable electron device 90 easily outsidely collides mutually and weares and teares.Therefore, rotary angle limiting device 1 of the present invention is promptly in order to be limited in specific open (promptly opening entire angle θ is near the interval of 0 degree or near 180 intervals of spending) in the entire angle θ scope, top 92 can't be towards first direction 81 rotations, to avoid causing because of 92 collision bottoms 94, top the outer damage of portable electron device 90.The structure of rotary angle limiting device 1 is described in detail as follows with that.
Please in the lump with reference to figure 2 and Fig. 3.Fig. 2 is the exploded view of rotary angle limiting device, and Fig. 3 is 90 stereograms when spending for rotary angle limiting device opening entire angle.Rotary angle limiting device 1 comprises a pedestal 10, a driven member 20, at least one elastic component 60, one first rotating shaft 30, one second rotating shaft 40 and at least one cam 50.
In the present embodiment, driven member 20 comprises fluted disc 21, and fluted disc 21 comprises a plurality of tooth portions 22 and a plurality of recesses of alternately arranging 23.When driven member 20 during at second activated position, at least a portion of a plurality of recesses 23 of fluted disc 21 is positioned at least one positioning part 14.In addition, the top of each tooth portion 22 has a fillet respectively, makes when tooth portion 22 contacts positioning parts 14, because of all there is the relation of fillet at tooth portion 22 and the position that contacts of positioning part 14, makes positioning part 14 be easy to slip in the recess 23.It is noted that only driven member 20 of the present invention is not limited to this with the structure of positioning part 14.
In the present embodiment, the end face of driven member 20 also comprises at least one contacting part 24 that is convex, and contacting part 24 can directly contact first protuberance 52, the second protuberance 52a or the concave-arc part 54 of cam 50, and wherein contacting part 24 can use high-abrasive material.In the present embodiment, the quantity of contacting part 24 is two, and it cooperates the position of cam 50.Only it is noted that first protuberance 52 of cam 50 or the second protuberance 52a also can directly reach required displacement amount by the end face that presses down fluted disc 21 and not need contacting part 24.
In order to make driven member 20 more smooth-going when mobile between first activated position and second activated position, and prevent that driven member 20 breaks away from holding parts 12, in the present embodiment, at least one guide member 70 is set on pedestal 10, it is for the vertical movement of guiding driven member 20.Furthermore, guide member 70 is vertically installed in the upper surface place of the holding part 12 of pedestal 10, when driven member 20 is placed on the pedestal 10, is penetrated with a perforation 26 on the driven member 20 corresponding positions, can wear and mistake for guide member 70.Guide member 70 upper ends then are equipped with an annular groove 72, can embed for a C type ring 74, by this driven member 20 are positioned on the pedestal 10.
Holding part 12, the first running shafts 30 that first rotating shaft 30 is articulated in pedestal 10 can rotate along first direction 81, and first rotating shaft 30 and driven member 20 interlocks.
Second rotating shaft 40 is articulated in first rotating shaft, 30, the second running shafts 40 can be responsible for out the size of entire angle θ along second direction 82 rotations when wherein second running shaft 40 is towards second direction 82 rotations.
At least one cam 50 connects second rotating shaft 40, and itself and second rotating shaft, 40 interlocks.Cam 50 comprises one first protuberance 52, one second protuberance 52a and a concave-arc part 54, the first protuberances 52 that form sliding path and the second protuberance 52a respectively adjacent to concave-arc part 54, and concave-arc part 54 is between first protuberance 52 and the second protuberance 52a.Wherein, concave-arc part 54 is the less relatively circular arc path of radius of curvature, and first protuberance 52 and the second protuberance 52a are the relatively large circular arc path of radius of curvature.When first protuberance 52 of cam 50 or second protuberance 52a contact and press down driven member 20, can drive driven member 20 and move down.In the present embodiment, the quantity of cam 50 is two, lays respectively in second rotating shaft 40 that is adjacent to first rotating shaft, 30 both sides.
(as shown in Figure 2) in the present embodiment, cam 50 is arranged on the axle sleeve, is fixed in second rotating shaft 40 by the axle sleeve cover then.Just the present invention is not as limit, and for instance, cam 50 also can be integrally formed with second rotating shaft 40.
The actual start situation of rotary angle limiting device 1 of the present invention below is described stage by stage.
(1) opens entire angle θ between 65 degree are spent to 115;
In the present embodiment, opening entire angle θ is that first rotating shaft 30 can be in the stage that first direction 81 freely rotates together with driven member 20 at 65 degree between 115 degree.Please refer to Fig. 3, this stage is that 90 degree are representative to open entire angle θ.
In this stage, the contacting part 24 of the concave-arc part 54 slight contact driven members 20 of cam 50, driven member 20 integral body are positioned at the first higher activated position of position.This moment, the fluted disc 21 of driven member 20 separated fully with positioning part 14.Because the recess 23 of fluted disc 21 is not subject to positioning part 14, so driven member 20 can be freely along first direction 81 rotations together with first rotating shaft 30.
Only it is noted that when this stage, concave-arc part 54 also can not contact the contacting part 24 of driven member 20, has a gap and make between concave-arc part 54 and the contacting part 24.
Only it is noted that, be not limited in the scope of opening entire angle θ in this stage above-mentioned, its visual actual demand and change.Only need the simple position that changes concave-arc part 54, can change and open entire angle θ scope in this stage.
(2) opening entire angle θ is 115 degree;
Please refer to Fig. 4, Fig. 4 is 115 stereograms when spending for rotary angle limiting device opening entire angle.
In the present embodiment, opening entire angle θ is that 115 degree just are critical angle, promptly opens entire angle θ and needs only one above 115 degree, and first protuberance 52 just can be suppressed the contacting part 24 of driven member 20.
Only it is noted that this critical angle is not limited to above-mentioned, its visual actual demand and change.Only need the simple position, boundary that changes first protuberance 52 and concave-arc part 54, can change this critical angle.
(3) open entire angle θ greater than 115 degree;
Please refer to Fig. 5 and Fig. 6, Fig. 5 is slightly larger than 115 stereograms when spending for rotary angle limiting device opening entire angle, and Fig. 6 is 180 stereograms when spending for rotary angle limiting device opening entire angle.
As shown in Figure 5, first protuberance 52 applies pressure to the contacting part 24 of driven member 20 downwards, make driven member 20 be moved downward to second activated position, positioning part 14 enters the recess 23 (as shown in Figure 5) of adjacent two tooth portions 22 centres of fluted disc 21, makes driven member 20 be positioned positioning part 14.Because recess 23 is subject to positioning part 14, so driven member 20 all can't be along first direction 81 rotations together with first rotating shaft 30.
As shown in Figure 6, increase to 180 when spending when opening entire angle θ by 115 degree, first protuberance 52 continues to apply pressure to driven member 20 downwards.
(4) open entire angle θ less than 65 degree;
Please refer to Fig. 7, Fig. 7 is slightly less than 65 stereograms when spending for rotary angle limiting device opening entire angle.When opening entire angle θ and spend less than 65, it makes flowing mode haply as the above-mentioned situations of opening entire angle θ greater than 115 degree, and its difference only is that second rotating shaft 40 rotates in the opposite direction, and the contacting part that presses down driven member 20 is the second protuberance 52a.When opening entire angle θ when 0 degree is between 65 degree, the second protuberance 52a presses down the contacting part 24 of driven member 20, makes the fluted disc 21 of driven member 20 be positioned positioning part 14.The scope of just opening entire angle θ is not limited to this.
To sum up institute is old, and no matter the present invention everywhere all shows it totally different in the feature of known technology with regard to purpose, means and effect, earnestly asks the auditor to perceive, and grants quasi patent early, makes Jiahui society, and the true feeling moral just.Only it should be noted that above-mentioned many embodiments give an example for convenience of explanation, the present invention's interest field required for protection should be as the criterion so that the scope of claims is described naturally, but not only limits to the foregoing description.
Claims (10)
1. rotary angle limiting device, be used for a portable electron device, this portable electron device comprises a top and a bottom that is out entire angle mutually, this top rotates with respect to this bottom Ke Chao one first direction or towards a second direction, wherein this second direction is vertical in fact with this first direction, and this rotary angle limiting device comprises:
One pedestal, this pedestal comprise a holding part and at least one positioning part;
One driven member, this driven member is socketed on this holding part, and can correspond to this pedestal rotation, and this driven member corresponds to this pedestal and has one first activated position and one second activated position, and when being positioned at this second activated position, this driven member is limited by this positioning part and can't rotate;
One elastic component, this elastic component are mounted between this holding part and this driven member, to provide this driven member by away from this pedestal and the restoring force that moves towards the top;
One first rotating shaft, this first rotating shaft is articulated in this holding part, and this first rotating shaft can be rotated along this first direction, and this first rotating shaft and this driven member interlock;
One second rotating shaft, this second rotating shaft is articulated in this first rotating shaft, and this second rotating shaft can be along this second direction rotation; And
At least one cam, this cam connect this second rotating shaft, and with this second rotating shaft interlock, each cam comprises one first protuberance and a concave-arc part, this first protuberance is adjacent to this concave-arc part;
By said structure, when this concave-arc part contacted this driven member in fact, this driven member was positioned at this first activated position, made this driven member and this localization part can be along this first direction rotation from, this first rotating shaft;
When this first protuberance applied pressure to this driven member, this driven member moved to this second activated position, made this driven member be positioned this positioning part, and this first rotating shaft can't be along this first direction rotation.
2. rotary angle limiting device as claimed in claim 1, wherein this driven member comprises a fluted disc, this positioning part is a projection, this fluted disc comprises a plurality of tooth portions and a plurality of recess of alternately arranging, when this driven member was positioned at this second activated position, at least a portion of this recess of this chi dish was positioned on this projection.
3. rotary angle limiting device as claimed in claim 2, wherein each tooth portion and each projection have a fillet respectively.
4. rotary angle limiting device as claimed in claim 2 wherein applies pressure to this driven member when this first protuberance, when making this driven member be positioned this positioning part, this open entire angle between 115 degree between 180 degree.
5. rotary angle limiting device as claimed in claim 4, wherein this cam also comprises one second protuberance, wherein this concave-arc part is between this first protuberance and this second protuberance, when this second protuberance is exerted pressure this driven member, this driven member moves to this second activated position, makes this driven member be positioned this positioning part.
6. rotary angle limiting device as claimed in claim 5, wherein when this second protuberance this driven member of exerting pressure, when making this driven member be positioned this at least one positioning part, this open entire angle between 0 degree between 65 degree.
7. rotary angle limiting device as claimed in claim 6, wherein the end face of this driven member also comprises at least one contacting part, this contacting part is in order to this first protuberance of direct contact, this second protuberance or this concave-arc part.
8. rotary angle limiting device as claimed in claim 7, wherein this rotary angle limiting device also comprises at least one guide member, and it is arranged on this pedestal, and this guide member is for the movement direction of this fluted disc of guiding.
9. portable electron device, this electronic equipment comprises each the described rotary angle limiting device as claim 1 to 8.
10. portable electron device as claimed in claim 9, wherein this portable electron device is a notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910223784 CN102072247B (en) | 2009-11-19 | 2009-11-19 | Rotation angle limiting device and portable electronic device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910223784 CN102072247B (en) | 2009-11-19 | 2009-11-19 | Rotation angle limiting device and portable electronic device with same |
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| Publication Number | Publication Date |
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| CN102072247A true CN102072247A (en) | 2011-05-25 |
| CN102072247B CN102072247B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910223784 Active CN102072247B (en) | 2009-11-19 | 2009-11-19 | Rotation angle limiting device and portable electronic device with same |
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| CN103294123A (en) * | 2012-03-03 | 2013-09-11 | 和硕联合科技股份有限公司 | Latch device and expansion seat using same |
| CN104898767A (en) * | 2014-03-03 | 2015-09-09 | 宏碁股份有限公司 | Electronic device and component positioning module of same |
| CN105526245A (en) * | 2014-10-21 | 2016-04-27 | 和硕联合科技股份有限公司 | Turning device |
| CN114321577A (en) * | 2020-10-09 | 2022-04-12 | 硕天科技股份有限公司 | Portable equipment rack capable of rotating 360 degrees |
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| US6850407B2 (en) * | 2002-07-19 | 2005-02-01 | Kabushiki Kaisha Toshiba | Electronic apparatus having two housings coupled by hinge mechanism, one of which is reversible to the other |
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| CN114321577A (en) * | 2020-10-09 | 2022-04-12 | 硕天科技股份有限公司 | Portable equipment rack capable of rotating 360 degrees |
| CN114321577B (en) * | 2020-10-09 | 2023-11-17 | 硕天科技股份有限公司 | Portable equipment rack capable of rotating 360 degrees |
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| Publication number | Publication date |
|---|---|
| CN102072247B (en) | 2013-01-09 |
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