CN205080355U - Pivot unit of video stand - Google Patents
Pivot unit of video stand Download PDFInfo
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- CN205080355U CN205080355U CN201520849356.2U CN201520849356U CN205080355U CN 205080355 U CN205080355 U CN 205080355U CN 201520849356 U CN201520849356 U CN 201520849356U CN 205080355 U CN205080355 U CN 205080355U
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- underarm
- upper arm
- rotating shaft
- shaft unit
- arm
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Abstract
The utility model relates to a video stand field, concretely relates to pivot unit of video stand, this video stand includes stand camera lens arm and work platform, this pivot unit includes: the upper arm, its and stand camera lens arm fixed connection, the underarm, its and work platform fixed connection, it rotates with the upper arm is connected, the pivot subassembly, it sets up between upper arm and underarm, and this upper arm rotates with the underarm through the pivot subassembly to be connected, locating component, it sets up between upper arm and underarm, and it includes elastically positioned spare and a plurality of and elastically positioned spare complex locating hole. The utility model discloses a design a pivot unit of video stand, the upper arm rotates with the underarm through the pivot subassembly to be connected, drives stand camera lens arm and rotates for work platform to realize the automatic positioning, simple structure, reduce cost, the large -scale production installation of being convenient for, simultaneously, elastically positioned spare and locating hole cooperation location, reducing device's loss improves life.
Description
Technical field
The utility model relates to video presenter field, is specifically related to a kind of rotating shaft unit of video presenter.
Background technology
Video showing platform (VisualPresenter) is the formal name passed through in home and abroad, in Chinese market, sometimes be also called article showing platform, object demo apparatus, projector, projector for real object etc., market is also called document camera (DocumentCamera) abroad.Functionally can to a definition such under video showing platform: video showing platform is by ccd video camera based on photoelectric conversion technique, the information such as material object, manuscript, picture, process is converted to picture signal and exports a kind of demonstration equipment displayed on the display device such as projector, monitor.
The camera lens of general video showing platform is arranged on the lens arm of exhibition booth, and exhibition booth lens arm is arranged on workbench by being rotationally connected, and arranges a rotating shaft unit between exhibition booth lens arm and workbench, is convenient to exhibition booth lens arm and rotates on workbench.
But existing rotating shaft unit, its complex structure, is not easy to large-scale production; Meanwhile, rotational structure is due to frequent rotation, and easy loss, reduces product quality.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of rotating shaft unit of video presenter, and structure is simple, is convenient to manufacture.
The utility model solves the technical scheme that its technical matters adopts: the rotating shaft unit providing a kind of video presenter, this video presenter comprises exhibition booth lens arm and workbench, this rotating shaft unit is arranged between exhibition booth lens arm and workbench, and this rotating shaft unit comprises:
Upper arm, it is fixedly connected with exhibition booth lens arm;
Underarm, it is fixedly connected with workbench, and itself and upper arm are rotationally connected;
Rotating assembly, it is arranged between upper arm and underarm, and this upper arm is rotationally connected by rotating assembly and underarm;
Positioning component, it is arranged between upper arm and underarm, and it comprises flexible positioning piece and some pilot holes coordinated with flexible positioning piece, and this upper arm is by the activity orientation that coordinate realization and underarm of flexible positioning piece with pilot hole.
Wherein, preferred version is: this flexible positioning piece is arranged on the lower surface of upper arm, and the end of this flexible positioning piece is resisted against the upper surface of underarm.
Wherein, preferred version is: this pilot hole is arranged on and is rotated on the upper surface of underarm in the circular trace that formed by flexible positioning piece.
Wherein, preferred version is: this flexible positioning piece comprises fixed part, be arranged on the spring in fixed part and be connected with spring and be arranged on the movable block of fixed part end, and this fixed part is arranged on the lower surface of upper arm, and this movable block is against the upper surface of underarm.
Wherein, preferred version is: this upper arm is provided with upper arm rotating shaft through hole, and this underarm is provided with underarm rotating shaft through hole, and this rotating assembly comprises stationary shaft and sleeve, and this stationary shaft is successively through upper arm rotating shaft through hole, sleeve and underarm rotating shaft through hole.
Wherein, preferred version is: also comprise a limit assembly, and this limit assembly comprises the locating part be arranged on stationary shaft, and is arranged on the limited block coordinated on upper arm and with locating part.
Wherein, preferred version is: also comprise a limit assembly, and this limit assembly comprises the locating part be arranged on stationary shaft, and is arranged on the limited block coordinated on underarm and with locating part.
Wherein, preferred version is: this locating part is banking stop, and the end face of this banking stop is provided with one section of spacing draw-in groove, and this limited block moves in spacing draw-in groove.
Wherein, preferred version is: this underarm is " L " type structure, and an end face of this underarm is connected with rotating assembly, and the other end of this underarm is connected with workbench.
Wherein, preferred version is: this underarm comprises the first underarm and the second underarm that are arranged on the upper arm left and right sides, and this upper arm comprises the first upper arm lower surface and the second upper arm lower surface that coordinate with the first underarm and the second underarm respectively.
The beneficial effects of the utility model are, compared with prior art, the utility model is by the rotating shaft unit of a kind of video presenter of design, upper arm is rotationally connected by rotating assembly and underarm, band dynamic exhibition stand lens arm rotates relative to workbench, and realizes location automatically, and structure is simple, reduce costs, be convenient to large-scale production and install; Meanwhile, flexible positioning piece and pilot hole coordinate location, reduce the loss of device, improve serviceable life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the detonation configuration schematic diagram one of the utility model rotating shaft unit;
Fig. 2 is the detonation configuration schematic diagram two of the utility model rotating shaft unit;
Fig. 3 is the structural representation of the utility model rotating shaft unit;
Fig. 4 is the structural representation of the utility model flexible positioning piece.
Embodiment
Now by reference to the accompanying drawings, preferred embodiment of the present utility model is elaborated.
As shown in Figure 1, the utility model provides a kind of preferred embodiment of rotating shaft unit of video presenter.
A rotating shaft unit for video presenter, video presenter comprises exhibition booth lens arm and workbench, and rotating shaft unit is arranged between exhibition booth lens arm and workbench, and rotating shaft unit comprises upper arm 10, underarm 20, rotating assembly and positioning component.
Particularly: upper arm 10 is fixedly connected with exhibition booth lens arm; Underarm 20 is fixedly connected with workbench, and underarm 20 and upper arm 10 are rotationally connected; Rotating assembly is arranged between upper arm 10 and underarm 20, and upper arm 10 is rotationally connected by rotating assembly and underarm 20; Positioning component is arranged between upper arm 10 and underarm 20, and positioning component comprises flexible positioning piece 41 and some pilot holes 42 coordinated with flexible positioning piece 41, and upper arm 10 is by the activity orientation that coordinate realization and underarm 20 of flexible positioning piece 41 with pilot hole 42.
Wherein, upper arm 10 comprises upper arm upper surface 11 and is arranged on the upper arm lower surface 12 of side, upper arm upper surface 11, and upper arm upper surface 11 is provided with some upper arm through holes 111, for being connected and fixed with exhibition booth lens arm; Upper arm lower surface 12 is provided with the upper arm rotating shaft through hole 32 coordinated with positioning component, and preferably, flexible positioning piece 41 is arranged on the surrounding of upper arm rotating shaft through hole 32.
Wherein, this underarm 20 is " L " type structure, comprise underarm upper surface 21 and underarm lower surface 22, underarm upper surface 21 is provided with the underarm rotating shaft through hole 33 coordinated with positioning component, preferably, the surrounding of underarm rotating shaft through hole 33 is provided with pilot hole 42, and pilot hole 42 is corresponding with the position of flexible positioning piece 41; Underarm lower surface 22 is provided with some through holes, for being connected and fixed with workbench.
Or flexible positioning piece 41 is arranged on underarm upper surface 21, pilot hole 42 is arranged on upper arm lower surface 12.
In the present embodiment, flexible positioning piece 41 is arranged on upper arm lower surface 12, and the end of flexible positioning piece 41 is resisted against underarm upper surface 21.Further, this pilot hole 42 is arranged on and rotates in the circular trace that formed on underarm upper surface 21 by flexible positioning piece 41, wherein pilot hole 42 preferably at least arranges two, when comprising the best open position of video presenter and reception position, flexible positioning piece 41 is resisted against the position on underarm upper surface 21.
Or flexible positioning piece 41 is arranged on underarm upper surface 21, the end of flexible positioning piece 41 is resisted against upper arm lower surface 12.Further, this pilot hole 42 is arranged on and is rotated on upper arm lower surface 12 in the circular trace that formed by flexible positioning piece 41.
In the present embodiment, rotating shaft unit also comprises a limit assembly, and limit assembly comprises the locating part 51 be arranged on rotating assembly, and is arranged on the limited block 52 coordinated on upper arm 10 or underarm 20 and with locating part 51.
Locating part 51 is banking stop, is preferably hollow banking stop, and stationary shaft 31 passes locating part 51 and is fixed on stationary shaft 31 by locating part 51, and preferred stationary shaft 31 is polyhedral structure, and the centre of hollow banking stop is corresponding with the shape of cross section of polyhedral structure.The end face of hollow banking stop is provided with one section of spacing draw-in groove, when upper arm 10 is rotated relative to underarm 20 by stationary shaft 31, stationary shaft 31 drives hollow banking stop to rotate simultaneously, relative, limited block 52 moves in spacing draw-in groove, the two ends of spacing draw-in groove and limited block 52 against the rotation of rear and stuck hollow banking stop, i.e. the rotation of stuck stationary shaft 31.
In the present embodiment, rotating assembly comprises stationary shaft 31 and sleeve 34, and stationary shaft 31 is successively through upper arm rotating shaft through hole 32, sleeve 34 and underarm rotating shaft through hole 33.
Particularly, rotating assembly comprises stationary shaft 31, sleeve 34, flat shim 37, banking stop, butterfly pad 36 and nut 35, stationary shaft 31 is, sleeve 34, flat shim 37 logical through upper arm 10 rotating shaft, underarm rotating shaft through hole 33, flat shim 37, banking stop, butterfly pad 36 and nut 35 successively, upper arm 10 and underarm 20 are rotationally connected, its middle sleeve 34, flat shim 37 are arranged between upper arm 10 and underarm 20, and flat shim 37, banking stop, butterfly pad 36 and nut 35 are arranged on the other end of underarm 20; Stationary shaft 31 is provided with end face boss in upper arm 10 one end, and for being stuck in upper arm 10, stationary shaft 31 is provided with helicitic texture in underarm 20 one end, is convenient to nut 35 and locks.
Or stationary shaft 31 is, sleeve 34, flat shim 37 logical through underarm 20 rotating shaft, upper arm rotating shaft through hole 32, flat shim 37, banking stop, butterfly pad 36 and nut 35 successively, makes upper arm 10 and underarm 20 be rotationally connected.
As shown in Figures 2 and 3, the utility model provides a kind of preferred embodiment of rotating shaft unit of video presenter.
Underarm 20 comprises the first underarm 201 and the second underarm 202 being arranged on upper arm 10 left and right sides, and upper arm 10 comprises the first upper arm lower surface 121 and the second upper arm lower surface 122 coordinated with the first underarm 201 and the second underarm 202 respectively.
As shown in Figure 4, the utility model provides a kind of preferred embodiment of flexible positioning piece.
Flexible positioning piece 41 comprises fixed part 411, be arranged on the spring (not shown) in fixed part and be connected with spring and be arranged on the movable block 412 of fixed part end, this fixed part 411 is arranged on upper arm lower surface 12, and this movable block 412 is against underarm upper surface 21.
Preferably, the upper arm lower surface 12 of the present embodiment is provided with two flexible positioning pieces 41, and flexible positioning piece 41 is separately positioned on the two ends of upper arm rotating shaft through hole 32.
As described above, be only the utility model most preferred embodiment, and not for limiting scope of the present utility model, all equivalences done according to the utility model claim change or modify, and are all the utility model and contain.
Claims (10)
1. a rotating shaft unit for video presenter, this video presenter comprises exhibition booth lens arm and workbench, it is characterized in that, this rotating shaft unit is arranged between exhibition booth lens arm and workbench, and this rotating shaft unit comprises:
Upper arm, it is fixedly connected with exhibition booth lens arm;
Underarm, it is fixedly connected with workbench, and itself and upper arm are rotationally connected;
Rotating assembly, it is arranged between upper arm and underarm, and this upper arm is rotationally connected by rotating assembly and underarm;
Positioning component, it is arranged between upper arm and underarm, and it comprises flexible positioning piece and some pilot holes coordinated with flexible positioning piece, and this upper arm is by the activity orientation that coordinate realization and underarm of flexible positioning piece with pilot hole.
2. rotating shaft unit according to claim 1, is characterized in that: this flexible positioning piece is arranged on the lower surface of upper arm, and the end of this flexible positioning piece is resisted against the upper surface of underarm.
3. rotating shaft unit according to claim 2, is characterized in that: this pilot hole is arranged on and is rotated on the upper surface of underarm in the circular trace that formed by flexible positioning piece.
4. rotating shaft unit according to claim 2, it is characterized in that: this flexible positioning piece comprises fixed part, be arranged on the spring in fixed part and be connected with spring and be arranged on the movable block of fixed part end, this fixed part is arranged on the lower surface of upper arm, and this movable block is against the upper surface of underarm.
5. rotating shaft unit according to claim 1, it is characterized in that: this upper arm is provided with upper arm rotating shaft through hole, this underarm is provided with underarm rotating shaft through hole, and this rotating assembly comprises stationary shaft and sleeve, and this stationary shaft is successively through upper arm rotating shaft through hole, sleeve and underarm rotating shaft through hole.
6. rotating shaft unit according to claim 5, is characterized in that: also comprise a limit assembly, and this limit assembly comprises the locating part be arranged on stationary shaft, and is arranged on the limited block coordinated on upper arm and with locating part.
7. rotating shaft unit according to claim 5, is characterized in that: also comprise a limit assembly, and this limit assembly comprises the locating part be arranged on stationary shaft, and is arranged on the limited block coordinated on underarm and with locating part.
8. rotating shaft unit according to claim 6, is characterized in that: this locating part is banking stop, and the end face of this banking stop is provided with one section of spacing draw-in groove, and this limited block moves in spacing draw-in groove.
9. rotating shaft unit according to claim 1, is characterized in that: this underarm is " L " type structure, and an end face of this underarm is connected with rotating assembly, and the other end of this underarm is connected with workbench.
10. according to the arbitrary described rotating shaft unit of claim 1 or 9, it is characterized in that: this underarm comprises the first underarm and the second underarm that are arranged on the upper arm left and right sides, this upper arm comprises the first upper arm lower surface and the second upper arm lower surface that coordinate with the first underarm and the second underarm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849356.2U CN205080355U (en) | 2015-10-29 | 2015-10-29 | Pivot unit of video stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849356.2U CN205080355U (en) | 2015-10-29 | 2015-10-29 | Pivot unit of video stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080355U true CN205080355U (en) | 2016-03-09 |
Family
ID=55432752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520849356.2U Active CN205080355U (en) | 2015-10-29 | 2015-10-29 | Pivot unit of video stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI795814B (en) * | 2021-06-18 | 2023-03-11 | 國立臺灣海洋大學 | Physical projection device suitable for display |
-
2015
- 2015-10-29 CN CN201520849356.2U patent/CN205080355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI795814B (en) * | 2021-06-18 | 2023-03-11 | 國立臺灣海洋大學 | Physical projection device suitable for display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100000 Beijing Haidian District information on Road No. 11, room 407, floor 405 West Fourth Patentee after: Beijing hitevision Intelligent System Co. Ltd. Address before: 100000 Beijing Haidian District information on Road No. 11, room 407, floor 405 West Fourth Patentee before: BEIJING HONGHE INTELLIGENT SYSTEMS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |