CN102072247B - 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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- CN102072247B CN102072247B CN 200910223784 CN200910223784A CN102072247B CN 102072247 B CN102072247 B CN 102072247B CN 200910223784 CN200910223784 CN 200910223784 CN 200910223784 A CN200910223784 A CN 200910223784A CN 102072247 B CN102072247 B CN 102072247B
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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. 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. The base comprises an accommodating part and at least one positioning part in the shape of a convex column. The driven piece is sleeved in the accommodating part and can rotate relative to the base. The driven piece comprises a toothed disk composed of a plurality of tooth parts and a plurality of concave parts. The tooth parts and the concave parts are alternately arranged. The driven piece is provided with a first actuating position and a second actuating position relative to the base. When the driven piece is at the second actuating position, at least a portion of the concave parts of the toothed disk of the driven piece is positioned onto the convex column. Thus, 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 at present the design that the restriction side rotary turns when excessively low or too high of the entire angle of opening of notebook computer.
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 such 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 affect outward appearance, also can cause discomfort because 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 portable electron device in the specific side direction rotation of restriction screen when 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 mutually entire angle, top is with respect to bottom Ke Chao first direction or towards the second direction rotation, wherein second direction is vertical in fact with first direction, and this rotary angle limiting device comprises: pedestal, this pedestal comprises holding part and at least one positioning part, and this positioning part is projection; Driven member, this driven member is socketed on holding part, and can correspond to the pedestal rotation, driven member comprises fluted disc, fluted disc comprises a plurality of tooth sections and a plurality of recess of alternative arrangement, and driven member corresponds to pedestal and has the first activated position and the second activated position, and when driven member is positioned at the second activated position, at least a portion of the recess of the chi dish of driven member is positioned on the projection, and the driven member section 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; The first rotating shaft, this first rotating shaft is articulated in holding part, and the first running shaft can rotate along first direction, and the first rotating shaft and driven member interlock; The second rotating shaft, this second rotating shaft is articulated in the first rotating shaft, and the second running shaft can rotate along second direction; And at least one cam, this cam connects the second rotating shaft, and with the second rotating shaft interlock, each cam comprises the first protuberance and concave-arc part, the 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 the first activated position, make driven member and at least one localization part from, the first rotating shaft can be rotated along first direction; When the first protuberance applied pressure to driven member, driven member moved to the second activated position, made driven member be positioned the positioning part, and the 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 rotary angle limiting device of the present invention opening entire angle is 90 stereograms when spending.
Fig. 4 is rotary angle limiting device of the present invention opening entire angle is 115 stereograms when spending.
To be rotary angle limiting device of the present invention be slightly larger than 115 stereograms when spending opening entire angle to Fig. 5.
Fig. 6 is rotary angle limiting device of the present invention opening entire angle is 180 stereograms when spending.
To be rotary angle limiting device of the present invention be slightly less than 65 stereograms when spending opening entire angle to Fig. 7.
The primary clustering symbol description:
Rotary angle limiting device 1 pedestal 10
Holding part 12 positioning parts 14
Tooth section 22 recesses 23
Contacting part 24 perforation 26
The first rotating shaft 30 second rotating shafts 40
The second protuberance 52a concave-arc part 54
Elastic component 60 guide members 70
Annular groove 72 C type rings 74
Open entire angle θ
Embodiment
For above and other purpose of the present invention, feature and advantage 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, can make the screen 922 on top 92 towards side direction or subtend by top 92.In the present embodiment, portable electron device 90 is 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 easily portable electron device 90 outsidely mutually collides and weares and teares.Therefore, rotary angle limiting device 1 of the present invention is namely in order to be limited in specific open (namely 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 rotary angle limiting device opening entire angle is 90 stereograms when spending.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 sections 22 and a plurality of recesses 23 of alternative arrangement.When driven member 20 during at the 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 section 22 has respectively a fillet, so that when tooth section 22 contact positioning part 14, because all there is the relation of fillet at tooth section 22 and the position that contacts of positioning part 14, so that positioning part 14 is 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 the 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 the 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.
More smooth-going when driven member 20 is moved between the first activated position and the second activated position, and prevent that driven member 20 breaks away from holding parts 12, in the present embodiment, at pedestal 10 at least one guide member 70 being set, 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, and when driven member 20 was placed on the pedestal 10, driven member 20 was penetrated with a perforation 26 on the corresponding position, 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.
Elastic component 60 is mounted between holding part 12 and the driven member 20, and it provides driven member 20 by away from pedestal 10 and the restoring force that moves towards the top.When driven member 20 was pressed down, elastic component 60 was compressed and store a response force; When the pressing down strength and remove of driven member 20, elastic component 60 stored response forces put on driven member 20, and it is moved up.In the present embodiment, elastic component 60 is annular shell fragment or waveform splinter.Just the structure of elastic component 60 is not limited to this.
Holding part 12, the first running shafts 30 that the first rotating shaft 30 is articulated in pedestal 10 can rotate along first direction 81, and the first rotating shaft 30 and driven member 20 interlocks.
The second rotating shaft 40 is articulated in the first rotating shaft 30, the second running shafts 40 can along second direction 82 rotations, be responsible for out the size of entire angle θ when wherein the second running shaft 40 is towards second direction 82 rotation.
At least one cam 50 connects the second rotating shaft 40, and itself and the 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 the first protuberance 52 and the second protuberance 52a.Wherein, concave-arc part 54 is the circular arc path of radius of curvature less, and the first protuberance 52 and the second protuberance 52a are the relatively large circular arc path of radius of curvature.When the first protuberance 52 of cam 50 or the 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 the second rotating shaft 40 that is adjacent to the first rotating shaft 30 both sides.
In the present embodiment (as shown in Figure 2), cam 50 is arranged on the axle sleeve, then is fixed in the second rotating shaft 40 by the axle sleeve cover.Just the present invention is not as limit, and for instance, cam 50 also can be integrally formed with the 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 the 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 take open entire angle θ as 90 the degree as representative.
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 the 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 rotary angle limiting device opening entire angle is 115 stereograms when spending.
In the present embodiment, opening entire angle θ is that 115 degree just are critical angle, namely opens entire angle θ and needs only one above 115 degree, and the 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 the 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, to be rotary angle limiting device be slightly larger than 115 stereograms when spending opening entire angle to Fig. 5, and Fig. 6 is rotary angle limiting device opening entire angle is 180 stereograms when spending.
As shown in Figure 5, the first protuberance 52 applies pressure to the contacting part 24 of driven member 20 downwards, make driven member 20 be moved downward to the second activated position, positioning part 14 enters the recess 23 (as shown in Figure 5) of adjacent two tooth sections 22 centres of fluted disc 21, so that driven member 20 is 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 the first rotating shaft 30.
As shown in Figure 6, increase to 180 when spending when opening entire angle θ by 115 degree, the 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, to be rotary angle limiting device be slightly less than 65 stereograms when spending opening entire angle to Fig. 7.When opening entire angle θ and spend less than 65, it is made flowing mode and opens entire angle θ greater than the situations of 115 degree as above-mentioned haply, and its difference only is that the 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 open entire angle θ between 0 the degree to 65 the degree between the time, 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 early quasi patent, 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 above-described embodiment.
Claims (9)
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 mutually entire angle, 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, and this positioning part is a projection;
One driven member, this driven member is socketed on this holding part, and can correspond to this pedestal rotation, this driven member comprises a fluted disc, this fluted disc comprises a plurality of tooth sections and a plurality of recess of alternative arrangement, and this driven member corresponds to this pedestal and has one first activated position and one second activated position, and when this driven member is positioned at this second activated position, at least a portion of this recess of this fluted disc of this driven member is positioned on this projection, and 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 in fact this driven member, 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 each tooth section and each projection have respectively a fillet.
3. rotary angle limiting device as claimed in claim 1 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.
4. rotary angle limiting device as claimed in claim 3, 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.
5. rotary angle limiting device as claimed in claim 4, 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.
6. rotary angle limiting device as claimed in claim 5, 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.
7. rotary angle limiting device as claimed in claim 6, 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.
8. portable electron device, this electronic equipment comprises each the described rotary angle limiting device such as claim 1 to 7.
9. portable electron device as claimed in claim 8, 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 CN102072247A (en) | 2011-05-25 |
| CN102072247B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI493129B (en) * | 2012-03-03 | 2015-07-21 | Pegatron Corp | Latch device and docking station using the same |
| CN104898767B (en) * | 2014-03-03 | 2018-04-27 | 宏碁股份有限公司 | Electronic device and its positioning parts module |
| TWI542809B (en) * | 2014-10-21 | 2016-07-21 | 和碩聯合科技股份有限公司 | Rotating device |
| 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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| JP5135957B2 (en) * | 2007-09-04 | 2013-02-06 | 日本ケミコン株式会社 | HINGE DEVICE AND DEVICE HAVING THE HINGE DEVICE |
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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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| US7133280B2 (en) * | 2004-03-22 | 2006-11-07 | Gateway Inc. | Multiaxial hinge assembly with rotational direction indicator |
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