CN201071876Y - Pivotal device - Google Patents
Pivotal device Download PDFInfo
- Publication number
- CN201071876Y CN201071876Y CNU2007200529167U CN200720052916U CN201071876Y CN 201071876 Y CN201071876 Y CN 201071876Y CN U2007200529167 U CNU2007200529167 U CN U2007200529167U CN 200720052916 U CN200720052916 U CN 200720052916U CN 201071876 Y CN201071876 Y CN 201071876Y
- Authority
- CN
- China
- Prior art keywords
- pivot device
- cam
- curved surface
- sliding cam
- relaying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a hinge, which comprises a hinge body and a damper. The damper includes a mediator, on which a swivel is arranged and a fixer is sleeved outside the swivel and the mediator. Damping oil is closed between the top of the swivel and the fixer through an inner sealing ring and an outer sealing ring; two anti-rotating blocks are bulged on the fixer. An annular sector stopping block is arranged on the lower part of the swivel and an annular sector bulging block is arranged on the upper end face of the mediator, wherein the stopping block is matched with the bulging block. The lower end face of the mediator is concave upward to form a connection groove. The hinge body comprises a rotating cam, on which a connection block matched with the connection groove is arranged and under which a sliding cam is arranged. The lower part of the sliding cam presses against a pressure spring. The hinge of the utility model can better protect electronic products and ensure that no vibration is produced when the electronic products are opened and closed, thus ensuring better protection for the electronic products and more comfortable usage, as well as preventing the electronic products from falling from hands.
Description
Technical field
The utility model relates to a kind of pivot device, particularly relates to a kind of pivot device that is mainly used in folding type electronic products such as mobile phone, PDA, notebook computer.
Background technique
Occurred multiple electronic product in recent years, as mobile phone, electronic dictionary, PDA, MP3 and MP4 etc., these electronic products have video/audio function usually.So that watch, the display interface of these electronic products need be tried one's best greatly in order to make clear picture; Yet,, need the volume of these electronic products as far as possible little again for being convenient for carrying.Require big and the little contradiction of volume requirement for solving display interface, these electronic products are designed to two-part folding pattern together usually, and two-part of electronic product generally connect by pivot device.
The structure of current a kind of pivot device as shown in Figure 1, this pivot device comprises housing 3 ', the place, one end of housing 3 ' is provided with rotating cam 60 ', and housing 3 ' inside is equipped with sliding cam 50 ' slidably, and the pressing spring 4 ' that is resisted against sliding cam 50 ' also is housed in the housing 3 '.Have pushed section 61 ' on the described rotating cam 60 ', the end face of sliding cam 50 ' has the circumferential sliding cam curved surface of being made up of ascent stage curved surface and descending branch curved surface 51 '.This pivot device is used for the folding type electronic product, electronic product two foldings are being partially opened several angle, promptly after the 61 ' summit, pushed section of rotating cam 60 ' slips over the peak of sliding cam 50 ' upward sliding cam curved surface 51 ', even stop this moment firmly, because the turning effort that pressing spring 4 ' and sliding cam curved surface 51 ' produce pushed section 61 ', electronic product still can be opened automatically.
Yet under the turning effort that pressing spring 4 ' and sliding cam curved surface 51 ' produce pushed section 61 ', the speed that electronic product is opened can be more and more faster, impacts and cause vibrations thereby can produce between two foldings of the electronic product part when opening fully.The two foldings part of electronic product the also more and more faster situation of reduced velocity also can occur when amounting to, thereby also can produce impact and cause vibrations.This vibrations can produce harmful effect to the electronic product self performance on the one hand, if the user is careless on the other hand, electronic product also may drop from user's hand.
The model utility content
The purpose of this utility model is the defective at above-mentioned prior art, provides a kind of and reduces that electronic product is opened and the vibrations when amounting to, thereby can protect electronic product better, also makes electronic product use more comfortable pivot device.
For achieving the above object, pivot device that the utility model provides, comprise a pivot device main body, this pivot device main body comprises a rotating cam, a sliding cam and a pressing spring, the rotating cam bottom has the pushed section, and the sliding cam upper-end surface has a circumferential sliding cam curved surface, and sliding cam curved surface has ascent stage curved surface and descending branch curved surface, the pushed section of rotating cam is resisted against on this cunning cam curved surface, and an end of pressing spring is resisted against on the sliding cam; Be combined with a damper with rotating cam, this damper comprises that the certain body and that cooperatively interacts turns, decide body and turn between be closed with damping oil.
As mentioned above, because the utility model pivot device has increased the damper that cooperates with rotating cam, so the electronic product that uses this pivot device is after being opened to a certain degree, be after the pushed section of rotating cam slides into the descending branch curved surface of sliding cam curved surface, pressured spring and sliding cam curved surface are to the turning effort of the pushed section generation of rotating cam on the one hand, and electronic product still can be opened automatically; On the other hand since be sealed in damper decide body and turn between the viscous damping effect of damping oil, the more and more faster trend of the automatic opening speed of electronic product can be limited and reach a kind of slow stably open mode, thereby makes electronic product two foldings part can produce vibrations hardly when opening fully.Electronic product is when amounting to, and its reason is identical, also can produce vibrations hardly.Therefore the utility model pivot device can be protected electronic product better, also makes electronic product use more comfortable and can avoid dropping from hand.
Description of drawings
In Figure of description
Fig. 1 is a kind of three-dimensional exploded view of existing pivot device for Fig. 1.
Fig. 2 is the stereogram of the utility model pivot device, is show internal structure, to wherein decide body and housing has carried out biopsy cavity marker devices.
Fig. 3 is the three-dimensional exploded view of pivot device shown in Fig. 2.
Fig. 4 is a stereogram of deciding body shown in Fig. 2.
Fig. 5 is a stereogram of deciding the body other direction shown in Fig. 4.
The stereogram of Fig. 6 for turning shown in Fig. 2.
Fig. 7 is the stereogram of relaying body shown in Fig. 2.
Fig. 8 is the stereogram of relaying body other direction shown in Figure 7.
Fig. 9 is the stereogram of rotating cam shown in Fig. 2.
Figure 10 is the stereogram of sliding cam shown in Fig. 2.
The description of reference numerals of each assembly is as follows among the figure:
[background technique]
Housing 3 ' pressing spring 4 '
Sliding cam 50 ' sliding cam curved surface 51 '
Rotating cam 60 ' pushed section 61 '
[the utility model]
Pivot device main body 100 jump rings 1
Spacing briquetting 2 housings 3
Pressing spring 4 sliding cams 50
Sliding cam curved surface 51 rotating cams 60
Pushed section 61 coupling blocks 62
Relaying body 70 projections 71
Interior circular rabbet 83 rotary shaft holes 85
Internal projecting ring groove 86 inner seal rings 9
Damping axle 120 convex edges 121
Draw-in groove 122 is decided body 130
Convex ring portion 133 anti-switch blocks 134
Axis hole 135 inner annular recess 136
Tube top 137 exterior seal rings 14
Embodiment
By describing technology contents of the present utility model, structure characteristics in detail, realized purpose and effect, give explanation below in conjunction with mode of execution and conjunction with figs. are detailed.
See also Fig. 2 and Fig. 3, the utility model pivot device comprises a pivot device main body 100 and damper 200.
Described damper 200 comprises a relaying body 70, is provided with one above the relaying body 70 and turns 80, turns 80 to decide body 130 with the outside of relaying body 70 is with that an integral body is tubular.Relaying body 70, turn 80 and decide to be equipped with in the body 130 a damping axle 120, the place, an end of damping axle 120 is with a pressure ring 15, is arranged with a snap ring 16 in pressure ring 15 outsides on the damping axle 120.
See also Fig. 4 and Fig. 5, this is decided body 130 and comprises a columnar cylinder section 131, and the upper end of cylinder section 131 is provided with a top 137.The middle part at tube top 137 is provided with the axis hole 135 of up/down perforation.The tube top 137 near cylinder section 131 places be raised with downwards ringwise outside projecting ring section 132.135 borders are raised with ringwise convex ring portion 133 downwards in the axle hole at tube top 137.The upper surface of deciding the tube top 137 of body 130 is recessed to form the inner annular recess 136 of annular downwards in the border of axis hole 135.The cylinder section 131 of deciding body 130 is protruding with the two anti-switch blocks 134 that are centrosymmetric, and is used for fixing rear defence fastening body 130 rotations on electronic product.
See also Fig. 3, Fig. 4 and Fig. 6, describedly turn 80 whole cylindrically, this place, 80 bottoms that turns is provided with a block 81 that is the fan annular, turns to offer rotary shaft hole 85 on 80.Turn 80 top raises up and decides the lug boss 82 that the space between the convex ring portion 133 and outer projecting ring section 132 adapts on the body 130, and the inboard of lug boss 82 is provided with internal projecting ring groove 86.Turn 80 outer edge place, border, top be recessed to form downwards in circular rabbet 83.
See also Fig. 7 and Fig. 8, described relaying body 70 integral body are cylindrical.Relaying body 70 upper-end surfaces are provided with the projection 71 that is the fan annular.The relaying body 70 lower end surfaces recessed connection slot 74 that is formed with that makes progress, connection slot 74 is the rectangular shape that two ends have cambered surface.Relaying body 70 is provided with the central axis hole 72 of up/down perforation, and the bottom of central axis hole 72 has convex edge groove 73.
See also Fig. 3, described damping axle 120 lower ends protrude out a convex edge 121 to the border, and the upper end of damping axle 120 is provided with a draw-in groove 122.
See also Fig. 2, Fig. 4 and Fig. 6, described lug boss 82 of turning on 80 extend into decides on the body 130 space between the convex ring portion 133 and outer projecting ring section 132, decides convex ring portion 133 on the body 130 and extend in the internal projecting ring groove 86 of turning on 80.This turning 80 stretched into the formula structure mutually and can be increased the area that cooperates between the two with deciding body 130, strengthens the damping of damper 200.
See also Fig. 2, Fig. 4, Fig. 6 and Fig. 7, described damping axle 120 is arranged in the axis hole 135 of deciding body 130, in the central axis hole 72 of turn 80 rotary shaft hole 85 and relaying body 70.
See also Fig. 2, Fig. 4, Fig. 5 and Fig. 6, described decide the outer projecting ring section 132 of body 130 and 80 the interior circular rabbet 83 of turning between be provided with inner seal ring 9.Described inner annular recess 136 places are provided with exterior seal ring 14, and exterior seal ring 14 is pressed to be located at by pressure ring 15 and decided body 130 and be placed on the damping axle 120.Described 80 the top and decide to be closed with the damping oil (not shown) by this inner seal ring 9 and exterior seal ring 14 between the body 130 of turning.
See also Fig. 2, Fig. 3 and Fig. 8, the convex edge 121 on the described damping axle 120 is located in the convex edge groove 73 of relaying body 70.Described snap ring 16 is arranged in draw-in groove 122 places on the damping axle 120.Projection 71 on the described relaying body 70 cooperates with the block 81 of turning on 80, and drives thus to turn and 80 rotate.
Please continue to consult Fig. 2 and Fig. 3, described pivot device main body 100 comprises a rotating cam 60, is provided with sliding cam 50 below the rotating cam 60.The sliding cam 50 outer housings 3 that are set with, sliding cam 50 housing 3 relatively slides.The pressing spring 4 that is resisted against sliding cam 50 bottoms also is housed in the housing 3.One axis 11 passes from rotating cam 60, sliding cam 50 and pressing spring 4.The end of axis 11 is provided with circular groove 111, is arranged with a jump ring 1 in the circular groove 111.Jump ring 1 is limited to a spacing briquetting 2 lower end of housing 3.
See also Fig. 9, described rotating cam 60 tops are provided with and are the coupling block 62 that cuboid shape and both ends of the surface have arc surface, and the bottom is provided with pushed section 61, also is provided with the rotary shaft hole 63 of up/down perforation on the rotating cam 60.
See also Figure 10, the upper-end surface of described sliding cam 50 has a circumferential sliding cam curved surface 51, and this cunning cam curved surface 51 has ascent stage curved surface and descending branch curved surface.
See also Fig. 2, Fig. 9 and Figure 10, described axis 11 passes from the rotary shaft hole 63 of rotating cam 60.The pushed section 61 of described rotating cam 60 is resisted against on the sliding cam curved surface 51 of sliding cam 50.
See also Fig. 2, Fig. 8 and Fig. 9, the coupling block 62 on the described rotating cam 60 is inserted in the connection slot 74 on the relaying body 70, with the transmitting torque that cooperatively interacts.This rotating cam 60 belongs to a kind of that circumferential relative fixed connects with the connecting mode of relaying body 70.So-called circumferentially being fixedly connected be meant between the interconnected component that connect of two-phase and do not relatively rotate, in the axial direction can slide relative, and as the spline connecting mode etc.
This pivot device should and be decided body 130 with housing 3 and be fixed on the folding part of folding type electronic product, and rotating cam 60 is fixed on another folding part of folding type electronic product in use.
As mentioned above, the electronic product that uses the utility model pivot device is in opening stage, relaying body 70 80 can not rotate a side that touches the block 81 on 80 of turning up to the projection on the relaying body 70 71 because coupling block 62 rotates with the interaction meeting transfer moving cam 60 of connection slot 74 and turn.At this moment turning 80 begins to rotate together and decide body 130 fixing with relaying body 70, and owing to the damping oil of deciding body 130 and turning between 80 of damper 200 has viscosity property, damper 200 begins to bring into play damping function.If the pushed section 61 of the rotating cam 60 descending branch curved surface and letting go that slides into the sliding cam curved surface 51 of sliding cam 50 turning effort that the pressured spring 4 of electronic product and 51 pairs of pushed sections of sliding cam curved surface 61 produce of leaving is at this moment opened automatically, 200 of dampers can restrict the more and more faster trend of electronic product opening speed and reach a kind of slow open mode stably.Can produce vibrations hardly when in this state, electronic product is opened fully.
When electronic product was amounted to, starting stage relaying body 70 same transfer moving cams 60 rotated together, 80 can not rotate and turn, and at this moment the projection 71 on the relaying body 70 leaves a side of the block 81 on 80 of turning.Touch another side of block 81 up to projection 71, turning 80 begins to follow relaying body 70 and rotates together, because the damping oil of deciding body 130 and turning between 80 of damper 200 has viscosity property, damper 200 begins to bring into play damping function.If at this moment the pushed section 61 of rotating cam 60 slides into the descending branch curved surface of the sliding cam curved surface 51 of sliding cam 50 (the ascent stage curved surface is relative with the descending branch curved surface, relevant with the sense of rotation of rotating cam 60) and the turning effort that the pressured spring of electronic product 4 and 51 pairs of pushed sections of sliding cam curved surface 61 produce of leaving of letting go amount to automatically, 200 of dampers can restrict the more and more faster trend of the reduced velocity of electronic product and reach a kind of slow folded position stably.Under this state, when amounting to fully, electronic product can produce vibrations hardly.
Therefore the utility model pivot device can be protected electronic product better, makes electronic product use more comfortable and can avoid dropping from hand.
Claims (7)
1. pivot device, comprise a pivot device main body, this pivot device main body comprises a rotating cam, a sliding cam and a pressing spring, the rotating cam bottom has the pushed section, the sliding cam upper-end surface has a circumferential sliding cam curved surface, sliding cam curved surface has ascent stage curved surface and descending branch curved surface, and the pushed section of rotating cam is resisted against on this cunning cam curved surface, and an end of pressing spring is resisted against on the sliding cam; It is characterized in that: be combined with a damper with rotating cam, this damper comprises that the certain body and that cooperatively interacts turns, decide body and turn between be closed with damping oil.
2. pivot device as claimed in claim 1 is characterized in that: described damper comprises also and the relaying body of turning and cooperating that this relaying body connects with the circumferential relative fixed of rotating cam; Described turning is provided with a block, and the relaying body is provided with a projection.
3. pivot device as claimed in claim 2 is characterized in that: described rotating cam top is provided with coupling block, and described relaying body is provided with connection slot, and coupling block is inserted in the connection slot.
4. pivot device as claimed in claim 2, it is characterized in that: describedly decide body and comprise a cylinder section, the upper end of cylinder section is provided with a top, the tube middle top is provided with an axis hole, the tube top is projecting ring section outside being raised with downwards near the cylinder section place, and the tube top is in being raised with the convex ring portion downwards near the place, axle hole; Describedly turn whole cylindrically, which is provided with rotary shaft hole, its top raises up and decides the lug boss that the space adapts between the convex ring portion and outer projecting ring section on the body, and the outer edge place, border, top that turns is recessed to form interior circular rabbet downwards; Be provided with inner seal ring between the interior circular rabbet of deciding the outer projecting ring section of body and turning; In the axis hole of deciding body and the rotary shaft hole of turning, be installed with a damping axle; The tube top upper surface of deciding body is recessed to form inner annular recess downwards in the border of axis hole, and an exterior seal ring is located at this inner annular recess place and is placed on the damping axle.
5. pivot device as claimed in claim 4 is characterized in that: the block on described the turning is the fan annular, and the projection on the described relaying body is the fan annular; Described relaying body integral body is cylindrical, which is provided with central axis hole, and described damping axle passes from this central axis hole.
6. pivot device as claimed in claim 4 is characterized in that: described damping axle lower end protrudes out a convex edge to the border, and the bottom of the central axis hole of described relaying body has and corresponding convex edge, this convex edge groove; The upper end of damping axle is provided with a draw-in groove, and this draw-in groove place is arranged with a snap ring.
7. pivot device as claimed in claim 1 is characterized in that: describedly decide body and be protruding with anti-switch block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200529167U CN201071876Y (en) | 2007-06-15 | 2007-06-15 | Pivotal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200529167U CN201071876Y (en) | 2007-06-15 | 2007-06-15 | Pivotal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071876Y true CN201071876Y (en) | 2008-06-11 |
Family
ID=39550434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200529167U Expired - Fee Related CN201071876Y (en) | 2007-06-15 | 2007-06-15 | Pivotal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071876Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737414B (en) * | 2008-11-13 | 2012-05-30 | 宏达国际电子股份有限公司 | Multi-section hinge assembly and portable electronic device comprising same |
| CN102837729A (en) * | 2012-09-20 | 2012-12-26 | 重庆龙润汽车转向器有限公司 | Gear rack type steering gear shell |
| CN102837730A (en) * | 2012-09-20 | 2012-12-26 | 重庆龙润汽车转向器有限公司 | Auto steering gear casing structure |
| CN103982536A (en) * | 2014-05-29 | 2014-08-13 | 深圳市金立通信设备有限公司 | Rotating shaft and device |
| CN104343815A (en) * | 2013-07-31 | 2015-02-11 | 索尼公司 | Information processing apparatus |
-
2007
- 2007-06-15 CN CNU2007200529167U patent/CN201071876Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737414B (en) * | 2008-11-13 | 2012-05-30 | 宏达国际电子股份有限公司 | Multi-section hinge assembly and portable electronic device comprising same |
| CN102837729A (en) * | 2012-09-20 | 2012-12-26 | 重庆龙润汽车转向器有限公司 | Gear rack type steering gear shell |
| CN102837730A (en) * | 2012-09-20 | 2012-12-26 | 重庆龙润汽车转向器有限公司 | Auto steering gear casing structure |
| CN104343815A (en) * | 2013-07-31 | 2015-02-11 | 索尼公司 | Information processing apparatus |
| CN103982536A (en) * | 2014-05-29 | 2014-08-13 | 深圳市金立通信设备有限公司 | Rotating shaft and device |
| CN103982536B (en) * | 2014-05-29 | 2017-01-18 | 深圳市金立通信设备有限公司 | Rotating shaft and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021007914A1 (en) | Bendable device | |
| CN201071876Y (en) | Pivotal device | |
| US7743465B2 (en) | Damping hinge apparatus | |
| US8245354B2 (en) | Hinge assembly for foldable electronic device | |
| WO2011145458A1 (en) | Opening/closing device | |
| US7866000B2 (en) | Swing hinge apparatus of portable terminal | |
| US7530145B2 (en) | Cover restricting mechanism for foldable electronic device | |
| US7533450B2 (en) | Hinge | |
| US7836550B2 (en) | Damping hinge device | |
| US7784153B2 (en) | Hinge apparatus | |
| US20060079303A1 (en) | Swing hinge device of a portable terminal | |
| US20060133796A1 (en) | Cover restricting mechanism of foldable electronic device | |
| US20090126154A1 (en) | Hinge apparatus | |
| CN202790058U (en) | Rotating shaft module and folding mobile phone comprising same | |
| CN201096141Y (en) | Pivotal device | |
| CN201071877Y (en) | Pivotal device | |
| CN101321199B (en) | Gemel device of portable equipment and portable equipment | |
| CN201155524Y (en) | Pivotal device | |
| CN205841477U (en) | Rotate hinge and the mobile terminal of component | |
| CN210397428U (en) | Connecting rod coated folding pivot device | |
| CN201114198Y (en) | Pivotal device | |
| CN102035908A (en) | Hinge device for mobile device of folding type | |
| CN201119198Y (en) | Hinge | |
| CN217563670U (en) | Rotating shaft structure and folding screen electronic equipment | |
| CN201115174Y (en) | Hinge part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20120615 |