CN101886662A - Pivot device and interference component thereof - Google Patents
Pivot device and interference component thereof Download PDFInfo
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- CN101886662A CN101886662A CN2009103022497A CN200910302249A CN101886662A CN 101886662 A CN101886662 A CN 101886662A CN 2009103022497 A CN2009103022497 A CN 2009103022497A CN 200910302249 A CN200910302249 A CN 200910302249A CN 101886662 A CN101886662 A CN 101886662A
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- interference element
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- face
- pivot
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Abstract
The invention provides a pivot device which comprises a pivot, a rotary support frame, a first interference component and a second interference component, wherein, the second interference component is attached to the first interference component; a first protrusion and a first recession are arranged on the end surface of the first interference component facing the second interference component; a first bump and a first groove are arranged on the end surface of the second interference component facing the first interference component; when the first interference component is embedded with the second interference component, the first protrusion of the first interference component is contained in the first groove of the second interference component, and the first bump of the second interference component is contained in the first recession of the first interference component; and when the rotary support frame is pivoted to a certain degree opposite to the pivot, the first protrusion of the first interference component abuts against the first bump of the second interference component so as to stop and limit the rotary support frame and the pivot. Compared with the prior art, the first bump of the first interference component of the pivot device can abut against the first bump of the second interference component while pivoting so as to achieve the functions of limiting and stopping.
Description
Technical field
The present invention relates to a kind of pivot device and interference component thereof.
Background technique
Portable electronic equipment such as notebook computer, mobile phone adopts folding structure to save the space.Usually, link to each other by pivot device between the loam cake of these electronic equipments and the base, in the time of need not using, can fold up loam cake is relative with base.
Pivot device generally includes respectively two links that loam cake, base with electronic equipment fix, and connects pivotly between two links.In order to allow the loam cake of electronic equipment can when being turned to the precalculated position, realize auto-closing or automatically rebounding open function, the interference component that the two-phase interworking is closed usually is set in pivot device in the prior art.Yet interference component of the prior art does not have the gear function, when need be with the loam cake block of electronic equipment during in a predetermined angle, need add stopping plate in pivot device, increases extra cost.
Summary of the invention
In view of above content, be necessary to provide a kind of pivot device that has the interference component of limit block function and use this interference component.
A kind of pivot device, it comprises a pivot, one pivot sleeve is located at the rotation bolster of described pivot, first interference element and one that one fixed cover is located at described pivot is fixed in second interference element of described rotation bolster, described first interference element and described second interference element are fitted mutually, described first interference element is provided with one first projection and one first depression towards an end face of described second interference element, described second interference element is provided with one first projection and one first groove towards an end face of described first interference element, when described first interference element and described second interference element mutual when chimeric, first projection of described first interference element is contained in first groove of described second interference element, first projection of described second interference element is contained in first depression of described first interference element, when described rotation bolster was pivoted to a certain degree with respect to described pivot, first projection of described first interference element and first projection of described second interference element were kept out described rotation bolster and described pivot are carried out backstop spacing mutually.
A kind of interference component, it comprises one first interference element and one and described first interference element second interference element of fitting mutually, the central authorities of described first interference element offer a perforation, the central authorities of described second interference element offer a through hole, described first interference element is provided with one first projection and one first depression towards an end face of described second interference element, described second interference element is provided with one first projection and one first groove towards an end face of described first interference element, when described first interference element and described second interference element mutual when chimeric, first projection of described first interference element is contained in first groove of described second interference element, first projection of described second interference element is contained in first depression of described first interference element, when described first interference element forwarded to a certain degree with respect to described second interference element, first projection of described first interference element was kept out mutually with first projection of described second interference element.
Compare prior art, first projection that above-mentioned pivot device and interference component thereof can utilize first projection of its first interference element to keep out described second interference element when pivoting reaches the function of limit block.
Description of drawings
The invention will be further described in conjunction with embodiment with reference to the accompanying drawings.
Fig. 1 and Fig. 2 represent the three-dimensional exploded view of two different visual angles of pivot device better embodiment of the present invention respectively, and this pivot device comprises an interference component.
Fig. 3 is the enlarged view of interference component shown in Fig. 1 and Fig. 2.
Fig. 4 is the three-dimensional combination figure of Fig. 1.
Embodiment
See also Fig. 1 and Fig. 2, pivot device better embodiment of the present invention comprises a pivot 10, fixedly bolster 20, a rotation bolster 30, an interference component, some friction padss 70, a resilient pad group 80 and a fixed block 90.
One end of this pivot 10 is fastened in this fixedly bolster 20.The other end of this pivot 10 is an axostylus axostyle 12.This axostylus axostyle 12 forms two relative planes vertically and makes this axostylus axostyle 12 be flat.The end of this axostylus axostyle 12 is provided with screw thread.Be appreciated that the cross section of this axostylus axostyle 12 is can also ovalize etc. non-circular so that need can fix easily by the element of spline on this axostylus axostyle 12.
This rotation bolster 30 is roughly L-shaped, comprises a fixing part 31 and a junction 32.This fixing part 31 offers plurality of fixed hole 311 to be connected with an electronics electronic equipment.This joint 32 offers a pivoting hole 322 and is used for the axostylus axostyle 12 that pivot sleeve is located at this pivot 10.This joint 32 offers a fixed hole 324 near this pivoting hole 322.
See also Fig. 3, this interference component comprises first interference element 40 and second interference element 50 of mutual applying.These first interference element, 40 central authorities offer the perforation 41 that section is flat, and it is 41 sheathed and be fixed on the axostylus axostyle 12 of this pivot 10 that this first interference element 40 utilizes this to bore a hole, thus this first interference element 40 and this pivot 10 interlocks.These second interference element, 50 central authorities offer the through hole 51 of a circle and are located at pivot sleeve on the axostylus axostyle 12 of this pivot 10, and a side of this second interference element 50 axially protrudes out a fixing part 52 along periphery.The fixed hole 324 that this fixing part 52 can snap in this rotation bolster 30 with these second interference element, 50 relative fixed in this rotation bolster 30, thereby this second interference element 50 and this rotation bolster 30 are linked.The external diameter of first interference element 40 and second interference element 50 is suitable, and the maximum inner diameter of this perforation 41 is suitable with the internal diameter of this through hole 51.
This first interference element 40 is arranged with first depression 43 near peripheral region on the end face 42 of second interference element 50, first depression 43 is along the curved setting of the excircle of first interference element 40, and the inclined-plane 432 of this end face 42 of connection is established at the two ends of first depression 43 respectively.Along curved one first projection 44 that is convexly equipped with of excircle, the inclined-plane 442 of this end face 42 of connection is established at the two ends of this first projection 44 respectively to the end face 42 of this first interference element 40 near the relative position of peripheral regions and this first depression 43.
It is adjacent with the inner edge of this first depression 43 to be convexly equipped with curved second projection 45 near perforation 41 inner ring on the end face 42 of this first interference element 40, and an inclined-plane 452 that connects this end face 42 is established at the two ends of this second projection 45 respectively.Be arranged with one curved second near perforation 41 inner ring and this second projection 45 across perforation 41 relative positions on the end face 42 of this first interference element 40 and cave in 46, this second depression 46 is adjacent with the inner edge of this first projection 44, and the inclined-plane 462 of this end face 42 of connection is established at the two ends of this second depression 46 respectively.
It is adjacent with the inner edge of this first projection 53 that the end face 511 of second interference element 50 is recessed to form curved second groove 55 near the inner ring at through hole 51 places around through hole 51, and an inclined-plane 552 that connects this end face 511 is established at the two ends of this second groove 55 respectively.Be convexly equipped with second a curved projection 56 near the inner ring of through hole 51 and this second groove 55 across through hole 51 relative positions on the end face 511 of this second interference element 50, this second projection 56 is adjacent with the inner edge of this first groove 54, and the inclined-plane 562 of this end face 511 of connection is established at the two ends of this second projection 56 respectively.
This resilient pad group 80 comprises some dish-shaped pads in the present embodiment, and each dish-shaped pad all offers the circular hole of the axostylus axostyle 12 that is sheathed on this pivot 10.Certainly this resilient pad group 80 also can be other elastomers such as spring.
This fixed block 90 is a hexagon nut in the present embodiment, its sheathed and screw lock comes off on the axostylus axostyle 12 of this pivot 10 and elements such as this resilient pad group 80 of packing and friction pads 70 with the element of avoiding being set in axostylus axostyle 12 on the screw thread of axostylus axostyle 12 ends of this pivot 10.
See also Fig. 4, during assembling, this friction pads 70, rotation bolster 30, a friction pads 70, second interference element 50, first interference element 40, resilient pad group 80, a friction pads 70 are sheathed on the axostylus axostyle 12 of this pivot 10 successively, and the screw thread that utilizes this fixed block 90 to pin these axostylus axostyle 12 ends at last comes off to prevent the element that is set on this pivot 10.
In pivot device pivot process, this pivot 10 drives this first interference element 40 and rotates with respect to this rotation bolster 30 and this second interference element 50, when this pivot 10 turns to predetermined angle, when spending such as 115, keep out respectively in first projection 53 of this second interference element 50 and the inclined-plane 532,562 of second projection 56 on the inclined-plane 442,452 of first projection, 44 and second projection 45 of this first interference element 40, and then this pivot 10 and this first interference element 40 are positioned with respect to this rotation bolster 30 and this second interference element 50.If the user overexerts, rotate this pivot 10 and surpass predetermined angle, then first of this first interference element 40 projection 44 and second projection 45 utilizes its inclined- plane 442 and 452 to jump onto first projection 53 and second projection 56 of this second interference element 50 respectively, so, when then pivot 10 rotations surpass predetermined angle also only is axial force and the torsion that has increased between each element of pivot device, and can not damage pivot device.
When rotating this pivot device closure, first projection 53 of this second interference element 50 and second projection 56 can be contained in first depression, 43 and second depression 46 of this first interference element 40 respectively, wherein, when first projection, 44 and second projection 45 of this first interference element 40 will be contained in first groove 54 of this second interference element 50 and second groove 55, can stop firmly to rotate, under the axial pressure effect of elastic element group 80, first projection, 44 and second projection 45 of this first interference element 40 can be along first groove 54 of this second interference element 50 and the inclined-plane 542 of second groove 55,552 slip into first groove 54 and second groove 55 of this second interference element 50 automatically, in like manner, first projection 53 of this second interference element 50 and second projection 56 can be along first depression, 43 and second depression, 46 the inclined-planes 432 of this first interference element 40,462 slip into first depression, 43 and second depression 46 of this first interference element 40 respectively automatically, so realize this first interference element 40 and this second interference element 50 chimeric fully.
Claims (10)
1. pivot device, it comprises a pivot, one pivot sleeve is located at the rotation bolster of described pivot, first interference element and one that one fixed cover is located at described pivot is fixed in second interference element of described rotation bolster, described first interference element and described second interference element are fitted mutually, it is characterized in that: described first interference element is provided with one first projection and one first depression towards an end face of described second interference element, described second interference element is provided with one first projection and one first groove towards an end face of described first interference element, when described first interference element and described second interference element mutual when chimeric, first projection of described first interference element is contained in first groove of described second interference element, first projection of described second interference element is contained in first depression of described first interference element, when described rotation bolster was pivoted to a certain degree with respect to described pivot, first projection of described first interference element and first projection of described second interference element were kept out described rotation bolster and described pivot are carried out backstop spacing mutually.
2. pivot device as claimed in claim 1, it is characterized in that: described first be arranged with in described first interference element towards the end face of described second interference element near peripheral region, described first projection is convexly set in being oppositely arranged near peripheral region and with described first depression of described first interference element on the end face of described second interference element.
3. pivot device as claimed in claim 2 is characterized in that: described first depression is respectively equipped with an inclined-plane that is connected described end face with the two ends of described first projection.
4. pivot device as claimed in claim 1, it is characterized in that: described first projection is convexly set in described second interference element outer ring near peripheral region on the end face of first interference element, and the described end face that described first groove is opened in described second interference element is oppositely arranged near peripheral region and with described first projection.
5. pivot device as claimed in claim 4 is characterized in that: described first projection and the two ends of described first groove are respectively equipped with an inclined-plane that is connected described end face.
6. pivot device as claimed in claim 1, it is characterized in that: described rotation bolster offers a fixed hole, described second interference element protrudes out a fixing part along periphery, and the fixed hole that described fixing part is stuck in described rotation bolster is fixed in described rotation bolster with described second interference element.
7. interference component, it comprises one first interference element and one and described first interference element second interference element of fitting mutually, the central authorities of described first interference element offer a perforation, the central authorities of described second interference element offer a through hole, it is characterized in that: described first interference element is provided with one first projection and one first depression towards an end face of described second interference element, described second interference element is provided with one first projection and one first groove towards an end face of described first interference element, when described first interference element and described second interference element mutual when chimeric, first projection of described first interference element is contained in first groove of described second interference element, first projection of described second interference element is contained in first depression of described first interference element, when described first interference element forwarded to a certain degree with respect to described second interference element, first projection of described first interference element was kept out mutually with first projection of described second interference element.
8. interference component as claimed in claim 7, it is characterized in that: described first be arranged with in described first interference element towards the end face of described second interference element near peripheral region, described first projection is convexly set in being oppositely arranged near peripheral region and with described first depression of described first interference element on the end face of described second interference element, described first projection is convexly set in described second interference element outer ring near peripheral region on the end face of first interference element, and the described end face that described first groove is opened in described second interference element is oppositely arranged near peripheral region and with described first projection.
9. interference component as claimed in claim 8, it is characterized in that: described first depression is respectively equipped with the described end face that an inclined-plane is connected described first interference element with the two ends of described first projection, and described first projection is respectively equipped with the described end face that an inclined-plane is connected described second interference element with the two ends of described first groove.
10. interference component as claimed in claim 7, it is characterized in that: the inner ring near perforation on the described end face of described first interference element is provided with curved second projection and second a curved depression, described second projection is adjacent with the inner edge of described first depression, described second depression is adjacent with the inner edge of described first projection, the inner ring at the described end face adjacent through-holes place of described second interference element is provided with curved second groove and second a curved projection relatively around through hole, the inner edge of described second groove and described first projection is adjacent, and the inner edge of described second projection and described first groove is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103022497A CN101886662A (en) | 2009-05-12 | 2009-05-12 | Pivot device and interference component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103022497A CN101886662A (en) | 2009-05-12 | 2009-05-12 | Pivot device and interference component thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101886662A true CN101886662A (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103022497A Pending CN101886662A (en) | 2009-05-12 | 2009-05-12 | Pivot device and interference component thereof |
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| Country | Link |
|---|---|
| CN (1) | CN101886662A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635627A (en) * | 2011-11-28 | 2012-08-15 | 联想(北京)有限公司 | Hinge device and portable terminal |
| US9201464B2 (en) | 2011-11-28 | 2015-12-01 | Lenovo (Beijing) Co., Ltd. | Terminal apparatus |
-
2009
- 2009-05-12 CN CN2009103022497A patent/CN101886662A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635627A (en) * | 2011-11-28 | 2012-08-15 | 联想(北京)有限公司 | Hinge device and portable terminal |
| CN102635627B (en) * | 2011-11-28 | 2014-09-03 | 联想(北京)有限公司 | Hinge device and portable terminal |
| US9201464B2 (en) | 2011-11-28 | 2015-12-01 | Lenovo (Beijing) Co., Ltd. | Terminal apparatus |
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Application publication date: 20101117 |