CN204086993U - Rotating limit device - Google Patents
Rotating limit device Download PDFInfo
- Publication number
- CN204086993U CN204086993U CN201420494168.8U CN201420494168U CN204086993U CN 204086993 U CN204086993 U CN 204086993U CN 201420494168 U CN201420494168 U CN 201420494168U CN 204086993 U CN204086993 U CN 204086993U
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- CN
- China
- Prior art keywords
- rotor
- base
- helicla flute
- shaped trough
- bar
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of rotating limit device, it comprise base and with base rotor in relative rotation, on described base and rotor, one of them is provided with a helicla flute, wherein another is provided with a bar-shaped trough relative with helicla flute, spiral fluted reference position is relative with the reference position of bar-shaped trough, spiral fluted final position is relative with the final position of bar-shaped trough, one rotation axis is slidably connected between base and rotor, slide respectively and be contained in described helicla flute and described bar-shaped trough in the two ends of described rotation axis, the described spiral fluted anglec of rotation is greater than 360 °.
Description
Technical field
The utility model relates to rotation control tool, particularly relates to a kind of rotating limit device.
Background technology
Existing rotating limit device can only limit the rotation in a circumference usually, or rotation within restriction 360 ° and can not meet the rotary spacing of the wide-angle of more than 360 °.
Utility model content
In view of this, be necessary to provide a kind of can the rotating limit device of large rotation angle restriction.
A kind of rotating limit device, it comprise base and with base rotor in relative rotation, on described base and rotor, one of them is provided with a helicla flute, wherein another is provided with a bar-shaped trough relative with helicla flute, spiral fluted reference position is relative with the reference position of bar-shaped trough, spiral fluted final position is relative with the final position of bar-shaped trough, one rotation axis is slidably connected between base and rotor, slide respectively and be contained in described helicla flute and described bar-shaped trough in the two ends of described rotation axis, the described spiral fluted anglec of rotation is greater than 360 °.
A kind of rotating limit device, it comprise base and with base rotor in relative rotation, on described base and rotor, one of them is provided with a helicla flute, wherein another is provided with a bar-shaped trough relative with helicla flute, one rotation axis is slidably connected between base and rotor, slide respectively and be contained in described helicla flute and described bar-shaped trough in the two ends of described rotation axis, rotary motion body makes rotation axis slide into the final position of helicla flute and bar-shaped trough from the reference position of helicla flute and bar-shaped trough, and the angle that described rotor rotates is greater than 360 °.
Rotating limit device of the present utility model arranges helicla flute and bar-shaped trough between the base that can mutually rotate and rotor, be connected between base and rotor by a rotation axis, slided respectively in the two ends of rotation axis and be contained in helicla flute and bar-shaped trough, when rotating rotor, slided along helicla flute and bar-shaped trough respectively in the two ends of rotation axis, and then make the rotating angle of rotor be greater than 360 ° and carry out spacing.
Further, in one embodiment, described helicla flute is arranged at the surface of described base, described helicla flute with the center of base for 480 °, center of circle spiral.
In one embodiment, a two ends sheathed bearing respectively of described rotation axis, wherein the bearing of one end slides and is contained in described helicla flute, and wherein the bearing of the other end slides and is contained in described bar-shaped trough.
In one embodiment, the center of described base offers the first connecting hole, and the center of described rotor offers the second connecting hole, and a coupling shaft is fixed in the first connecting hole of base, and is rotatably connected in the second connecting hole of rotor.
In one embodiment, sheathed two bearings on described coupling shaft, this two bearings is installed in the second connecting hole of rotor.
In one embodiment, described spiral fluted reference position is near the first connecting hole of described base, and final position is away from described first connecting hole, and the line of described spiral fluted reference position and final position is through described first connecting hole.
In one embodiment, the reference position of described bar-shaped trough is near the second connecting hole of described rotor, and final position is away from described second connecting hole, and the reference position of described bar-shaped trough and the line of final position extend along the radial direction of rotor.
In one embodiment, a two ends sheathed bearing respectively of described rotation axis, wherein the bearing of one end slides and is contained in described helicla flute, and wherein the bearing of the other end slides and is contained in described bar-shaped trough.
Accompanying drawing explanation
Fig. 1 is the three-dimensional assembly diagram of a kind of rotating limit device that the utility model embodiment provides.
Fig. 2 is the three-dimensional assembly diagram of another angle of rotating limit device in Fig. 1.
Fig. 3 is the cut-open view of the rotating limit device in Fig. 1.
Fig. 4 is the stereographic map of the base of rotating limit device in Fig. 1.
Fig. 5 is the front elevation of the base in Fig. 4.
Fig. 6 is the stereographic map of the rotor of rotating limit device in Fig. 1.
Fig. 7 is the front elevation of the rotor in Fig. 6.
Main element symbol description
| Rotating limit device | 100 |
| Base | 10 |
| First connecting hole | 12 |
| First hole | 121 |
| Second hole | 122 |
| 3rd hole | 123 |
| Helicla flute | 14 |
| Rotor | 20 |
| Second connecting hole | 22 |
| Bar-shaped trough | 24 |
| Coupling shaft | 30 |
| Clutch shaft bearing | 32 |
| Rotation axis | 40 |
| Second bearing | 42 |
Following embodiment will further illustrate the utility model in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 and Fig. 2, embodiment of the present utility model provides a kind of rotating limit device 100 to comprise base 10, rotor 20, coupling shaft 30 and rotation axis 40.Described coupling shaft 30, in order to be rotationally connected base 10 and rotor 20, makes rotation axis 40 slide between base 10 and rotor 20 by rotating rotor 20.
Please refer to Fig. 3 to Fig. 5, described base 10 is in the form of annular discs, and its center offers the first connecting hole 12, and its discoid surface offers helicla flute 14.Described helicla flute 14 originates in the primary importance A near described first connecting hole 12, ends at the second place B away from the first connecting hole 12 after spiral rotating.The line of primary importance A and second place B is through the first connecting hole 12, that is, the line of primary importance A and second place B extends along the radial direction of base 10.The spacing of primary importance A and the first connecting hole 12 is less than the spacing of second place B and the first connecting hole 12.This second place B is near the periphery of described base 10.In the present embodiment, described helicla flute 14 is 480 ° with the angle that the center of base 10 is center of circle spiral, certainly in other embodiments, the setting at any angle of 360 ° is carried out being greater than in the scope that the spiral angle of this helicla flute 14 can allow at the diameter of base 10.Described first connecting hole 12 is shoulder hole, and it comprises the hole with three sections of different diameters, is followed successively by the first hole 122, hole 121, second and the 3rd hole 123, and wherein, the 3rd hole 123 is positioned on same surface with helicla flute 14.The diameter in the second hole 122 is less than first hole 121 at its two ends and the diameter in the 3rd hole 123, thus forms two shoulders at the two ends in the second hole 122.
Please refer to Fig. 6 to Fig. 7, described rotor 20 is roughly in the form of annular discs, and the diameter of its diameter and described base 10 is roughly the same.Certainly, in other embodiments, the size and shape of described rotor 20 also can be different from described base 10.The center on the disc surface of described rotor 20 offers the second connecting hole 22, and one of them of described rotor 20 offers a bar-shaped trough 24 on the surface.Described bar-shaped trough 24 is arranged face to face with the helicla flute 14 of base 10.Described bar-shaped trough 24 extends along the radial direction of rotor 20.Described bar-shaped trough 24 originates in the primary importance C near described second connecting hole 22, and stops after the radial alignment of rotor 20 extends to away from the second connecting hole 22 second place D.This primary importance C is corresponding with the primary importance A of the helicla flute 14 of base 10, and especially, this two positions is vertically opposite; This second place D is corresponding with the second place B of the helicla flute 14 of base 10 near the periphery of rotor 20, especially, this two positions is vertically opposite, that is, the distance between the primary importance C of bar-shaped trough 24 and second place D equals the distance between the primary importance A of helicla flute 14 and second place B.
Be understandable that, in other embodiments, this primary importance C also can not be corresponding with the primary importance A of the helicla flute 14 of base 10, and this second place D is corresponding with the second place B of the helicla flute 14 of base 10 near the periphery of rotor 20; This primary importance C is corresponding with the primary importance A of the helicla flute 14 of base 10, and this second place D is not corresponding with the second place B of the helicla flute 14 of base 10 near the periphery of rotor 20; Or this primary importance C is not corresponding with the primary importance A of the helicla flute 14 of base 10, this second place D is not corresponding with the second place B of the helicla flute 14 of base 10 near the periphery of rotor 20 yet simultaneously.
Described coupling shaft 30 is rotatably connected between base 10 and rotor 20, and in the present embodiment, described coupling shaft 30 is rotatably connected in rotor 20 by two clutch shaft bearings 32.These two clutch shaft bearings 32 are installed in the second connecting hole 22 of rotor 20 respectively, and the surface that each clutch shaft bearing 32 is installed in rotor 20 corresponding with it after in the second connecting hole 22 is concordant.One end of described coupling shaft 30 to be located in two clutch shaft bearings 32 and to form excessive cooperation with this two clutch shaft bearing 32, and its end is fixed on the side of a clutch shaft bearing 32 by an attachment screw.The other end of coupling shaft 30 passes this another clutch shaft bearing 32, and is fixedly connected in base 10.In the present embodiment, the other end of this coupling shaft 30 supports the shoulder of the first connecting hole 12 at base 10, and is fixedly connected in the first connecting hole 12 of base 10 by another attachment screw.Certainly, being rotationally connected between base 10 and rotor 20 is not limited to rely on the clutch shaft bearing 32 on coupling shaft 30 to realize in present embodiment, can also base 10 and rotor 20 be rotationally connected by other means.
Described rotation axis 40 is slidably connected between base 10 and rotor 20, and one end of described rotation axis 40 is slidably connected in the helicla flute 14 of base 10, and the other end is slidably connected in the bar-shaped trough 24 of rotor 20.In the present embodiment, described rotation axis 40 makes the two ends of rotation axis 40 be slidably connected at respectively in base 10 and rotor 20 by two the second bearings 42.Two second bearings 42 are set in the two ends of rotation axis 40 respectively, and two second bearings 42 can be contained in the helicla flute 14 of base 10 and the bar-shaped trough 24 of rotor 20 respectively.In the present embodiment, the two ends of rotation axis 40 all wear and protrude from the second bearing 42.Accordingly, the shape of the helicla flute 14 of described base accommodating for the two ends of rotation axis 40 and the groove of the bar-shaped trough 24 of rotor 20 can be set to step trough, thus make that there is larger-diameter second bearing 42 and be contained in having in the groove of larger width of step trough, make there is small diameter and the end protruding from the rotation axis 40 of the second bearing 42 is contained in having in the groove of less width of step trough.The shaft shoulder formed in the middle of step trough just can support the second bearing 42 and prevent its in the vertical direction play.
The rotation process of described rotating limit device 100 is as follows:
(1) before rotation starts, rotation axis 40 is positioned at the rotational home position of base 10 and rotor 20, second bearing 42 at the two ends of concrete rotation axis 40 one of them be positioned at the primary importance A of the helicla flute 14 of base 10, wherein another is positioned at the primary importance C of rotor 20;
(2) rotate rotor 20, the restriction due to the helicla flute 14 of base 10 makes second bearing 42 be contained in helicla flute 14 of rotation axis 40 can only along spiral motion; Meanwhile, another second bearing 42 that the rotation axis 40 due to the restriction of the bar-shaped trough 24 of rotor 20 being is contained in bar-shaped trough 24 can only along rectilinear motion;
(3) along with rotation axis 40 slides into second place B along helicla flute 14 from primary importance A, the other end of rotation axis 40 slides into second place D along the primary importance C of bar-shaped trough 24, and rotate and stop, the angle of now rotating is 480 degree.
It should be noted that, described helicla flute 14 and bar-shaped trough 24 are not limited to be separately positioned on base 10 and rotor 20, can also be that bar-shaped trough 24 is set on base 10, rotor 20 arranges helicla flute 14, the slip of rotation axis 40 in helicla flute 14 and bar-shaped trough 24 can be realized equally, thus the large rotation angle realized between rotor 20 and base 10 and spacing.
Rotating limit device 100 of the present utility model arranges helicla flute 14 and bar-shaped trough 24 between the base 10 that can mutually rotate and rotor 20, be connected between base 10 and rotor 20 by a rotation axis 40, slided respectively in the two ends of rotation axis 40 and be contained in helicla flute 14 and bar-shaped trough 24, when rotating rotor 20, slided along helicla flute 14 and bar-shaped trough 24 respectively in the two ends of rotation axis 40, and then make the rotating angle of rotor 20 be greater than 360 ° and carry out spacing.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made according to technical conceive of the present utility model, and all these change the protection domain that all should belong to the utility model claim with distortion.
Claims (10)
1. a rotating limit device, it comprise base and with base rotor in relative rotation, it is characterized in that: on described base and rotor, one of them is provided with a helicla flute, wherein another is provided with a bar-shaped trough relative with helicla flute, one rotation axis is slidably connected between base and rotor, slide respectively and be contained in described helicla flute and described bar-shaped trough in the two ends of described rotation axis, the described spiral fluted anglec of rotation is greater than 360 °.
2. rotating limit device as claimed in claim 1, is characterized in that: described helicla flute is arranged at the surface of described base, described helicla flute with the center of base for 480 °, center of circle spiral.
3. rotating limit device as claimed in claim 2, is characterized in that: a two ends sheathed bearing respectively of described rotation axis, wherein the bearing of one end slides and is contained in described helicla flute, and wherein the bearing of the other end slides and is contained in described bar-shaped trough.
4. rotating limit device as claimed in claim 1, it is characterized in that: described helicla flute and described bar-shaped trough are face to face, the reference position of described spiral fluted reference position and described bar-shaped trough is vertically opposite, and the final position of described spiral fluted final position and described bar-shaped trough is vertically opposite.
5. rotating limit device as claimed in claim 1, it is characterized in that: the center of described base offers the first connecting hole, the center of described rotor offers the second connecting hole, and a coupling shaft is fixed in the first connecting hole of base, and is rotatably connected in the second connecting hole of rotor.
6. rotating limit device as claimed in claim 5, is characterized in that: sheathed two bearings on described coupling shaft, this two bearings is installed in the second connecting hole of rotor.
7. rotating limit device as claimed in claim 5, it is characterized in that: described spiral fluted reference position is near the first connecting hole of described base, final position is away from described first connecting hole, and the line of described spiral fluted reference position and final position is through described first connecting hole.
8. rotating limit device as claimed in claim 5, it is characterized in that: the reference position of described bar-shaped trough is near the second connecting hole of described rotor, final position is away from described second connecting hole, and the reference position of described bar-shaped trough and the line of final position extend along the radial direction of rotor.
9. a rotating limit device, it comprise base and with base rotor in relative rotation, it is characterized in that: on described base and rotor, one of them is provided with a helicla flute, wherein another is provided with a bar-shaped trough relative with helicla flute, one rotation axis is slidably connected between base and rotor, slide respectively and be contained in described helicla flute and described bar-shaped trough in the two ends of described rotation axis, rotary motion body makes rotation axis slide into the final position of helicla flute and bar-shaped trough from the reference position of helicla flute and bar-shaped trough, and the angle that described rotor rotates is greater than 360 °.
10. rotating limit device as claimed in claim 9, is characterized in that: a two ends sheathed bearing respectively of described rotation axis, wherein the bearing of one end slides and is contained in described helicla flute, and wherein the bearing of the other end slides and is contained in described bar-shaped trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420494168.8U CN204086993U (en) | 2014-08-29 | 2014-08-29 | Rotating limit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420494168.8U CN204086993U (en) | 2014-08-29 | 2014-08-29 | Rotating limit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086993U true CN204086993U (en) | 2015-01-07 |
Family
ID=52179687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420494168.8U Withdrawn - After Issue CN204086993U (en) | 2014-08-29 | 2014-08-29 | Rotating limit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204086993U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029472A1 (en) * | 2014-08-29 | 2016-03-03 | 深圳市大疆创新科技有限公司 | Rotation limiting device |
| CN113668867A (en) * | 2021-08-23 | 2021-11-19 | 广东博智林机器人有限公司 | Cloth limit structure and cloth equipment |
| CN114684247A (en) * | 2020-12-30 | 2022-07-01 | 比亚迪股份有限公司 | Corner limiting mechanism, vehicle steering system with same and vehicle |
-
2014
- 2014-08-29 CN CN201420494168.8U patent/CN204086993U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029472A1 (en) * | 2014-08-29 | 2016-03-03 | 深圳市大疆创新科技有限公司 | Rotation limiting device |
| CN105517649A (en) * | 2014-08-29 | 2016-04-20 | 深圳市大疆创新科技有限公司 | Rotation limiting device |
| CN105517649B (en) * | 2014-08-29 | 2018-05-11 | 深圳市大疆灵眸科技有限公司 | Rotating limit device |
| US10209733B2 (en) | 2014-08-29 | 2019-02-19 | Sz Dji Osmo Technology Co., Ltd. | Rotation limiting device |
| CN114684247A (en) * | 2020-12-30 | 2022-07-01 | 比亚迪股份有限公司 | Corner limiting mechanism, vehicle steering system with same and vehicle |
| CN114684247B (en) * | 2020-12-30 | 2023-09-05 | 比亚迪股份有限公司 | Corner limiting mechanism, vehicle steering system with same and vehicle |
| CN113668867A (en) * | 2021-08-23 | 2021-11-19 | 广东博智林机器人有限公司 | Cloth limit structure and cloth equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170613 Address after: 518057 Guangdong city of Shenzhen province Nanshan District Guangdong streets south four Road No. 18 building in the West SKYWORTH semiconductor design 12 Patentee after: Shenzhen City, Jiang Mou Ling Technology Co. Ltd. Address before: 518057 Guangdong province Shenzhen city Nanshan District high tech Zone South Hing a No. 9 Hongkong, Shenzhen building 6 floor Patentee before: Shenzhen Dji Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20180511 |
|
| AV01 | Patent right actively abandoned |