CN201866075U - Pivot device and portable device - Google Patents
Pivot device and portable device Download PDFInfo
- Publication number
- CN201866075U CN201866075U CN2010205671283U CN201020567128U CN201866075U CN 201866075 U CN201866075 U CN 201866075U CN 2010205671283 U CN2010205671283 U CN 2010205671283U CN 201020567128 U CN201020567128 U CN 201020567128U CN 201866075 U CN201866075 U CN 201866075U
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- Prior art keywords
- location piece
- locating bump
- pivot
- positioning groove
- locating
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- 238000012856 packing Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides a pivot device and a portable device adopting the same. The pivot device comprises a concave locating plate and a convex locating plate, which perform rotation oppositely, wherein a first locating groove, a second locating groove and a first locating lug are arranged on the concave locating plate; and a second locating lug and a third locating lug are arranged on the convex locating plate. When an upper cover of the portable device is closed, the second locating lug is embedded in the first locating groove to provide a first peak torsion force; when the upper cover is opened, the second locating lug is separated from the first locating groove, and slides on the surface of the concave locating plate to provide a common torsion force; and when the upper cover is opened continuously, the third locating lug is propped against the first locating lug to provide a second peak torsion force, and the first locating lug is forced to go away from the surface of the concave locating plate at the moment, so that different torsion forces are provided through the switching of the matching between the lugs and the grooves.
Description
Technical field
The utility model is a kind of pivot device, refers to especially between a kind of loam cake of being located at portable apparatus and base to reach the pivot device that opens and closes effect.
Background technique
TaiWan, China patent announcement M351963 is a kind of prior art pivot device that is used on the portable electronic devices, the prior art pivot device utilizes a protruding location piece and a recessed location piece and reaches the generation of torsion, in this structure, this protruding location piece is provided with a pair of symmetrical protuberance, and the surface of recessed location piece is designed to form needed convex-concave surface, so that the protuberance of protruding location piece is on the surface of recessed location piece during start, can there be different torsion to produce, the design of surface undulation is done in similar utilization on recessed location piece, when making a pair of protuberance of protruding location piece be able on recessed location piece, walk, can produce different torsion variation persons, application in the pivot device industry is too numerous to enumerate, and for example the U.S. announces No. 7173825 patent case and also disclosed similar structure.
In the pivot device of another kind of prior art, using two groups of concavo-convex location pieces (comprising two recessed location pieces and two protruding location pieces) also is the technological means of using always, for example as TaiWan, China patent announcement M316950 and M331858, utilizing two groups of concavo-convex location pieces can reach more torsion changes, and the default chimeric angle difference of two groups of concavo-convex location pieces makes portable electronic devices have plural orientation angle; For example the chimeric effect of first group of concavo-convex location piece is created in when lid is closed, and the chimeric effect of second group of concavo-convex location piece is created in when Cover opening to 30 is spent, and changes so utilize the concavo-convex location piece of many groups can reach multiple different torsion.
Need the working life of the pivot device of prior art to bear tens thousand of above rotations, for concavo-convex location piece, rotation each time i.e. meaning person rubs once relatively, therefore, lost efficacy for fear of concavo-convex location piece wearing and tearing, common concavo-convex location piece all is to utilize metal powder metallurgy ejection formation (MIM), to obtain higher hardness, so can bear tens thousand of above frictions; Yet the manufacture cost of MIM is higher relatively, so many groups of concavo-convex location pieces will make the whole cost of prior art pivot device increase more, and does not meet economic benefit.
The model utility content
In view of this, the utility model is improved the pivot device of prior art, changes to obtain multiple torsion under the prerequisite that does not increase concavo-convex location piece quantity.
For reaching above-mentioned model utility purpose, the technological means that the utility model adopted is a kind of pivot device of design, comprising:
One fixing bolster;
One pivot, it runs through fixedly bolster rotationally;
One rotation bolster, itself and pivot interfix;
One recessed location piece, it rotatably is sheathed on the pivot and interfixes with fixing bolster, recessed location piece has one first side and one second side, be formed with a pair of first symmetrical positioning groove, a pair of second symmetrical positioning groove on second side of recessed location piece, reach a pair of first symmetrical locating bump, wherein first locating bump is located between first and second positioning groove;
One protruding location piece, it engages slidably and is sheathed on the pivot, protruding location piece has one first side and one second side, first side of protruding location piece reclines mutually with second side of recessed location piece, be formed with a pair of second symmetrical locating bump and a pair of the 3rd symmetrical locating bump on first side of protruding location piece, first positioning groove of recessed location piece is for second locating bump that holds protruding location piece, second positioning groove of recessed location piece is for the 3rd locating bump that holds protruding location piece, the height that first locating bump protrudes in second side of recessed location piece is H1, the height that second locating bump protrudes in first side of protruding location piece is H2, the height that the 3rd locating bump protrudes in first side of protruding location piece is H3, wherein H2＞H3 and H1+H3＞H2;
A plurality of resilient pads, its be sheathed on the pivot and the concavo-convex location piece of ejection so that concavo-convex location piece packing.
When second locating bump and the first positioning groove tabling, and location piece is when beginning to rotate with respect to recessed location piece, and this second locating bump breaks away from and slides on second side of recessed location piece from this first positioning groove;
When first locating bump and the 3rd locating bump mutually during ejection, second locating bump leaves second side of recessed location piece.
Portable apparatus of the present utility model comprises a loam cake and a base, and this pivot device is installed between loam cake and the base, and wherein fixedly bolster and base interfix, and rotation bolster and loam cake interfix.
Advantage of the present utility model is, utilize many group grooves and the relative configurations of organizing projections on the single group of concavo-convex location piece more, make loam cake when rotating to different amount, switch to not the torque values that groove on the same group or projection are responsible for providing different sizes, the concavo-convex location piece of many groups need not be added again and diverse torque value configuration can be reached, therefore, the utility model can effectively be saved fabricating cost.
Description of drawings
Fig. 1 is the stereo appearance figure of pivot device of the present utility model
Fig. 2 is the element exploded view of pivot device of the present utility model
Fig. 3 is another element exploded view of pivot device of the present utility model
Fig. 4 is the stereogram of recessed location piece of the present utility model
Fig. 5 is the side view of recessed location piece of the present utility model
Fig. 6 is the stereogram of protruding location piece of the present utility model
Fig. 7 is the side view of protruding location piece of the present utility model
Fig. 8 is the stereo appearance figure of portable apparatus of the present utility model
Fig. 9 is the torsion variation diagram of portable apparatus of the present utility model
Figure 10 be portable apparatus of the present utility model the loam cake closure in 0 the degree the action side view
Figure 11 is positioned at the action side view of 0 degree in loam cake for concavo-convex location piece of the present utility model
Figure 12 is positioned at another action side view of 0 degree in loam cake for concavo-convex location piece of the present utility model
Figure 13 opens in the action side view of 22.5 degree for the loam cake of portable apparatus of the present utility model
Figure 14 is concavo-convex location piece of the present utility model is opened 22.5 degree in loam cake an action side view
Figure 15 is concavo-convex location piece of the present utility model is opened 22.5 degree in loam cake another action side view
Figure 16 is the action side view that the loam cake of portable apparatus of the present utility model is opened 45 degree
Figure 17 is concavo-convex location piece of the present utility model is opened 45 degree in loam cake an action side view
Figure 18 is concavo-convex location piece of the present utility model is opened 45 degree in loam cake another action side view
Figure 19 is the action side view that the loam cake of portable apparatus of the present utility model is opened 90 degree
Figure 20 is concavo-convex location piece of the present utility model is opened 90 degree in loam cake an action side view
Figure 21 is concavo-convex location piece of the present utility model is opened 90 degree in loam cake another action side view
Embodiment
Below cooperate preferred embodiment graphic and of the present utility model, further setting forth the utility model is to reach the technological means that predetermined model utility purpose is taked.
See also Figure 1 and Figure 2, pivot device of the present utility model includes one, and fixedly bolster 10, a pivot 20, rotate bolster 30, one recessed location piece 40, one protruding location piece 50, a plurality of resilient pad 60, a fixed block 70, reach a plurality of abrasion pads 80.
See also Fig. 2 and Fig. 3, aforesaid fixedly bolster 10 includes a fixed-wing 11 and and connects the wing 12, the fixed-wing 11 and the connection wing 12 join and are perpendicular, hole formed therethrough has a sleeve joint hole 121 on the connection wing 12, the socket wing 12 has one first side 122 and one second side 123,122 projections of first side are formed with a spacing block set 124, and hole formed therethrough has a fixed hole 125 on the socket wing 12.
See also Fig. 2 to shown in Figure 5, it is outer and interfix with fixing bolster 10 that aforesaid recessed location piece 40 is sheathed on pivot 20, recessed location piece 40 is adjacent to second side 123 of the socket wing 12, recessed location piece 40 has a center hole 41, one first side 42 and one second side 43, first side 42 of recessed location piece 40 is towards second side 123 of the socket wing 12,44 projections of one fixing pin form in first side 42 of recessed location piece 40 and wear in the fixed hole 125 that is fixed in the socket wing 12, be formed with a pair of first symmetrical positioning groove 45 on second side 43 of recessed location piece 40, the a pair of second symmetrical positioning groove 46, and a pair of first symmetrical locating bump 47, first locating bump 47 is located at first and second positioning groove 45, between 46, the both sides of the edge of first locating bump 47 have the plane of inclination respectively, a first axle 451 in the center of circle of center hole 41 is passed through in definition respectively on second side 43, one second axis 461 and one the 3rd axis 471, first axle 451 runs through the center of first positioning groove 45, second axis 461 runs through the center of second positioning groove 46, the 3rd axis 471 runs through the center of first locating bump 47, in preferred embodiment, first positioning groove, 45 shared radians are 20 degree.
See also Fig. 2, Fig. 3, Fig. 4, Fig. 6 and shown in Figure 7, aforesaid protruding location piece 50 engages slidably and is sheathed on the pivot 20, protruding location piece 50 has a center hole 51, one first side 52, and one second side 53, the center hole 51 of protruding location piece 50 can be a non-circular hole with engaging and be located at slidably outside the non-circular bar portion 21 of pivot 20, first side 52 of protruding location piece 50 reclines mutually with second side 43 of recessed location piece 40, be formed with a pair of second symmetrical locating bump 54 and a pair of the 3rd symmetrical locating bump 55 on first side 52 of protruding location piece 50, second locating bump 54 is corresponding to first positioning groove 45 of recessed location piece 40, so second locating bump, 54 shared radians are preferable also is 20 degree, second and third locating bump 54,55 both sides of the edge have the plane of inclination respectively, be formed with fixture block 56 on second side 53 of protruding location piece 50, one noise reduction pad 57 reclines and is fixed on second side 53 of protruding location piece 50, and noise reduction pad 57 can have short slot 571 to fix it with fixture block 56 tablings.Noise reduction pad 57 is a stamped, so higher precision can be arranged; And recessed location piece 40 and protruding location piece 50 generally are all use MIM manufacturing, so the precision of center hole 51 is relatively poor; Therefore; in the process of pivot device rotation; the recessed location piece 40 of low precision and protruding the location piece 50 easy and different sounds of bar portion 21 generations; so after utilizing the high noise reduction pad 57 of precision and bar portion 21 closely engaging; utilize short slot 571 on the noise reduction pad 57 with chimeric mutually again with fixture block 56; so can avoid the generation of different sound, the while also can be protected protruding location piece 50 and avoid and all the other members generation abrasion.
Aforesaid resilient pad 60 stacks outside the bar portion 21 that is sheathed on pivot 20, and second side 53 or the noise reduction pad 57 of the protruding location piece 50 of resilient pad 60 ejections closely recline to force the protruding location piece 50 and the opposite flank 52,43 of recessed location piece 40.
Aforesaid fixed block 70 also is fixed in bar portion 21 ends of pivot 20, and to grip each element, fixed block 70 can be a nut and is screwed with the screw section with bar portion 21.
See also shown in Figure 8, portable apparatus of the present utility model has a loam cake 90 and a base 91, and be provided with at least one aforesaid pivot device, in preferred embodiment, have two pivot devices and be located at both sides respectively, fixedly the fixed-wing 11 of bolster 10 interfixes with base 91, rotation bolster 30 interfixes with loam cake 90, and when loam cake 90 pivoted with respect to base 91, rotation bolster 30 drive pivots 20 and protruding location piece 50 were with respect to recessed location piece 40 rotations.
With the height of locating bump and positioning groove and the degree of depth with symbolic representation, the height that first locating bump 47 protrudes in second side 43 is H1, the height that second locating bump 54 protrudes in first side 52 is H2, the height that the 3rd locating bump 55 protrudes in first side 52 is H3, the degree of depth of first positioning groove 45 is D1, the degree of depth of second positioning groove 46 is D2, H2＞H3 then, H2＞H1, H1+H3＞H2, hypothesis is when second locating bump 54 and first positioning groove, 45 tablings again, the height that second locating bump 54 falls into first positioning groove 45 is L, then D1 〉=L, and D2 〉=L-(H2-H3).
See also Fig. 9 to shown in Figure 12, when loam cake 90 is closed with respect to base 91, second locating bump 54 of protruding location piece 50 and first positioning groove, 45 tablings (as shown in figure 11) of recessed location piece 40, at this moment, 55 of the 3rd locating bumps of protruding location piece 50 drop on the position (as shown in figure 12) with respect to second positioning groove 46 of recessed location piece 40, because the relation of aforementioned D2 〉=L-(H2-H3), promptly second locating bump 54 falls into height deduction the second and the 3rd locating bump 54 of first positioning groove 45, after 55 the height difference, the degree of depth less than second positioning groove 46, so the degree of depth of second positioning groove 46 is enough to allow that the 3rd locating bump 55 falls into wherein relatively, with allow second locating bump 54 can with first positioning groove, 45 tablings, when beginning to open loam cake 90, produce the first peak value torsion so that second locating bump 54 can break away from first positioning groove 45.
See also shown in Fig. 9 and Figure 13 to 15, when continuing to open loam cake 90, second locating bump 54 of protruding location piece 50 slides on second side 43 of recessed location piece 40, general torsion when rotating, this moment is because H2＞H3, promptly the height of second locating bump 54 is greater than the height of the 3rd locating bump 55, thus the 3rd locating bump 55 away from second side 43 of recessed location piece 40, also can't with second positioning groove, 46 tablings.
See also Fig. 9 and Figure 16 to shown in Figure 180, when continue opening loam cake 90 to opening angle is 45 when spending, the 3rd locating bump 55 of protruding location piece 50 just with first locating bump 47 of recessed location piece 40 contact mutually, then make protruding location piece 50 relatively by ejection away from recessed location piece 40, to produce the second peak value torsion, this moment is because H1+H3＞H2, i.e. the first and the 3rd locating bump 47,55 height and greater than the height of second locating bump 54, so second locating bump 54 is forced to leave second side 43 of recessed location piece 40 and general torsion is not provided this moment, in the present embodiment, the second peak value torsion is less than the first peak value torsion, but the utility model is not limited thereto, can change the magnitude relationship between peak value torsion by the height of each locating bump of change, the second peak value torsion also can be greater than the first peak value torsion.
See also shown in Fig. 9 and Figure 19 to 21, after continuation unlatching loam cake 90 is crossed 45 degree, the 3rd locating bump 55 leaves first locating bump 47 and stops to provide the second peak value torsion, and second locating bump 54 is replied slip on second side 43 of recessed location piece 40 and general torsion is provided.
Therefore, the cooperation by a plurality of projections and groove on the aforementioned single group of concavo- convex location piece 40,50 can produce different torsion, and the different torque values that changeable different projection provided, and does not influence each other.In addition, on the implementation, concavo-convex the above only be preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction,
Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (10)
1. pivot device is characterized in that it includes:
One fixing bolster;
One pivot, it runs through fixedly bolster rotationally;
One rotation bolster, itself and pivot interfix;
One recessed location piece, it rotatably is sheathed on the pivot and interfixes with fixing bolster, recessed location piece has one first side and one second side, be formed with a pair of first symmetrical positioning groove, a pair of second symmetrical positioning groove on second side of recessed location piece, reach a pair of first symmetrical locating bump, wherein first locating bump is located between first and second positioning groove;
One protruding location piece, it engages slidably and is sheathed on the pivot, protruding location piece has one first side and one second side, first side of protruding location piece reclines mutually with second side of recessed location piece, be formed with a pair of second symmetrical locating bump and a pair of the 3rd symmetrical locating bump on first side of protruding location piece, first positioning groove of recessed location piece is for second locating bump that holds protruding location piece, second positioning groove of recessed location piece is for the 3rd locating bump that holds protruding location piece, the height that first locating bump protrudes in second side of recessed location piece is H1, the height that second locating bump protrudes in first side of protruding location piece is H2, the height that the 3rd locating bump protrudes in first side of protruding location piece is H3, wherein H2＞H3 and H1+H3＞H2;
A plurality of resilient pads, its be sheathed on the pivot and the concavo-convex location piece of ejection so that concavo-convex location piece packing.
2. pivot device according to claim 1, it is characterized in that, the height that second locating bump of its convexity location piece is housed inside first positioning groove is L, and the degree of depth of first positioning groove is that the degree of depth of D1, second positioning groove is D2, then D1 〉=L and D2 〉=L-(H2-H3).
3. pivot device according to claim 1 and 2 is characterized in that, the shared radian of each first positioning groove of its concave location piece is 20 degree, and the shared radian of each of protruding location piece second locating bump is 20 degree.
4. pivot device according to claim 1 and 2, it is characterized in that, wherein the both sides of the edge of each first locating bump have the plane of inclination respectively, and the both sides of the edge of each second locating bump have the plane of inclination respectively, and the both sides of the edge of each the 3rd locating bump have the plane of inclination respectively.
5. pivot device according to claim 3, it is characterized in that, wherein the both sides of the edge of each first locating bump have the plane of inclination respectively, and the both sides of the edge of each second locating bump have the plane of inclination respectively, and the both sides of the edge of each the 3rd locating bump have the plane of inclination respectively.
6. pivot device according to claim 1 and 2 is characterized in that wherein it further includes a fixed block, and this fixed block is sheathed and be fixed in the pivot end.
7. pivot device according to claim 5 is characterized in that wherein it further includes a fixed block, and this fixed block is sheathed and be fixed in the pivot end.
8. pivot device according to claim 1 is characterized in that, wherein H2＞H1.
9. pivot device is characterized in that it includes:
One fixing bolster;
One pivot, it runs through fixedly bolster rotationally;
One rotation bolster, itself and pivot interfix;
One recessed location piece, it rotatably is sheathed on the pivot and interfixes with fixing bolster, recessed location piece has one first side and one second side, be formed with a pair of first symmetrical positioning groove, a pair of second symmetrical positioning groove on second side of recessed location piece, reach a pair of first symmetrical locating bump, wherein first locating bump is located between first and second positioning groove;
One protruding location piece, it engages slidably and is sheathed on the pivot, protruding location piece has one first side and one second side, first side of protruding location piece reclines mutually with second side of recessed location piece, be formed with a pair of second symmetrical locating bump and a pair of the 3rd symmetrical locating bump on first side of protruding location piece, first positioning groove of recessed location piece is for second locating bump that holds protruding location piece, and second positioning groove of recessed location piece is for the 3rd locating bump that holds protruding location piece;
A plurality of resilient pads, its be sheathed on the pivot and the concavo-convex location piece of ejection so that concavo-convex location piece packing;
Wherein, when second locating bump and the first positioning groove tabling, and location piece is when beginning to rotate with respect to recessed location piece, and this second locating bump breaks away from and slides on second side of recessed location piece from this first positioning groove;
When first locating bump and the 3rd locating bump mutually during ejection, second locating bump leaves second side of recessed location piece.
10. portable apparatus, comprising a loam cake and a base, it is characterized in that, it has at least one according to each described pivot device of claim 1 to 9, this pivot device is installed between loam cake and the base, wherein fixedly bolster and base interfix, and rotation bolster and loam cake interfix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205671283U CN201866075U (en) | 2010-10-19 | 2010-10-19 | Pivot device and portable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205671283U CN201866075U (en) | 2010-10-19 | 2010-10-19 | Pivot device and portable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201866075U true CN201866075U (en) | 2011-06-15 |
Family
ID=44137231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205671283U Expired - Fee Related CN201866075U (en) | 2010-10-19 | 2010-10-19 | Pivot device and portable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201866075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984409A (en) * | 2013-02-12 | 2014-08-13 | 联想（新加坡）私人有限公司 | Devices and methods for opening a computing device with a user cue |
-
2010
- 2010-10-19 CN CN2010205671283U patent/CN201866075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984409A (en) * | 2013-02-12 | 2014-08-13 | 联想（新加坡）私人有限公司 | Devices and methods for opening a computing device with a user cue |
| CN103984409B (en) * | 2013-02-12 | 2017-08-29 | 联想（新加坡）私人有限公司 | The apparatus and method that there is user to point out for opening computing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20141019 |
|
| EXPY | Termination of patent right or utility model |