CN209327772U - A kind of polyhedral projection screen - Google Patents
A kind of polyhedral projection screen Download PDFInfo
- Publication number
- CN209327772U CN209327772U CN201920064221.3U CN201920064221U CN209327772U CN 209327772 U CN209327772 U CN 209327772U CN 201920064221 U CN201920064221 U CN 201920064221U CN 209327772 U CN209327772 U CN 209327772U
- Authority
- CN
- China
- Prior art keywords
- suoshu
- withstanding tight
- tight block
- spring
- positioning column
- 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
Abstract
The utility model discloses a kind of polyhedral projection screens, and including discoid pedestal, the upside the center point of Yu Suoshu pedestal is screwed with rod-shaped positioning column with screw thread；Guide part is arranged in the upper and lower part of the positioning column；There is at least three screen in clamping on the guide part；Multiple locking pieces are hinged in the edge of the pedestal；The locking piece is buckled in the upper of the screen.
Description
Technical field
The utility model relates to naked eye equipment technical fields, and in particular to a kind of polyhedral projection screen.
Background technique
Only one single screen of existing projection screen, a single screen may only be projected to when being projected
On, also it is only suitable for spectators and is watched from a direction.For bigger and openr viewing place, the quantity of spectators compared with
More, especially in places such as concerts, mass viewer audiences are distributed across surrounding and are watched.If only using single projection screen
Curtain, then image may only be shown on one screen, and spectators may only also watch in one direction, other directions
On the spectators' effect visual poor effect that cannot watch or watch.
Accordingly, it is desirable to provide a kind of can receive the polyhedral projection screen of projection video in multiple directions, spectators can be
Video is watched in multiple directions.
Utility model content
It, may only be to solve existing projection screen the purpose of this utility model is to provide a kind of polyhedral projection screen
The problem of video is watched on single direction.
To achieve the above object, the technical solution of the utility model are as follows:
A kind of polyhedral projection screen, including discoid pedestal, the upside the center point of Yu Suoshu pedestal is screwed with screw thread
Rod-shaped positioning column；Guide part is arranged in the upper and lower part of the positioning column；Have at least 3 in clamping on the guide part
A screen；Multiple locking pieces are hinged in the edge of the pedestal；The locking piece is buckled on the screen.
Preferably, the guide part includes the support of nut, circular rotating ring, the first clamping slot and cubic
Block；The nut is rotatably connected on the positioning column with screw thread；It is uniformly connected in outside it along the circumferencial direction of the positioning column
On wall；The nut is in the top of the supporting block；The rotating ring rotation is sheathed on the positioning column and in institute
It states between nut and the supporting block；The first clamping slot of multiple cubics is equipped in the concave side wall of the rotating ring；Institute
State the sealing of the first clamping slot upper end and lower ending opening.
Preferably, the locking piece includes the first withstanding tight block of cubic, the side clamping of the first withstanding tight block of Yu Suoshu
There is the second withstanding tight block of cubic；Be hinged with compressor arm in upside one end of first withstanding tight block, Yu Suoshu compressor arm and
Binding has second spring between first withstanding tight block；Third withstanding tight block is fixed with bolt in the upper end of the compressor arm.
Preferably, adjustment hole is equipped in the first withstanding tight block of Yu Suoshu, that slides in Yu Suoshu adjustment hole is equipped with adjusting
Frame；It is equipped with the first spring in the end sleeve of the adjusting bracket, first spring top clamping is in the bottom of the adjustment hole；In described
One end of the stretching adjusting bracket of adjustment hole is connected with gasket.
Preferably, the adjusting bracket includes the transverse bar of round bar shape, thereon along the direction perpendicular to the transverse bar
Side is connected with vertical bar；The lever of L shape, the concave side wall of Yu Suoshu lever are connected on the upside of one end of the transverse bar
Equipped with the first groove；The second groove is recessed on the upside of the transverse bar；In the transverse bar the other end axially along
Multiple pushing rams are connected with, third spring is arranged on Yu Suoshu pushing ram；The third spring compression in the transverse bar and
Between the gasket.
The utility model has the advantages that
(1) when in use, screen is turned into the corresponding locking piece in target position；Later, compressor arm is rotated, screen is put
It is placed on second withstanding tight block, decontrols compressor arm, second spring pulls compressor arm, and the compressor arm drives third withstanding tight block pressure
Tightly on the side wall of the screen；
(2) first spring pushes adjusting bracket, and adjusting bracket pushes gasket to be pressed on the side wall of the screen, realizes screen
The fixation of curtain；The upper end of screen is connected in first clamping slot, and the rotating ring is by screen fixation；The nut will
The upper end of rotating ring is fixed；Screen can be turned into all angles and target position as needed, meet spectators from each angle
Degree carries out viewing video.
Detailed description of the invention
Fig. 1 is the schematic diagram of the polyhedral projection screen of utility model.
Fig. 2 is the schematic diagram of guide part in utility model.
Fig. 3 is the schematic diagram of locking piece in utility model.
Fig. 4 is the schematic diagram of adjusting bracket in utility model.
In figure: 1- positioning column；2- screen；3- locking piece；31- third withstanding tight block；32- adjusting bracket；321- lever；322-
One groove；323- vertical bar；324- transverse bar；325- pushing ram；326- third spring；The second groove of 327-；33- adjustment hole；
34- gasket；The second withstanding tight block of 35-；The first spring of 36-；The first withstanding tight block of 37-；38- second spring；39- compressor arm；4- pedestal；
5- guide part；51- nut；52- rotating ring；The first clamping slot of 53-；54- supporting block.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment
The polyhedral projection screen of the present embodiment, including discoid pedestal 4, the upside the center point spiral shell of Yu Suoshu pedestal 4
Line is screwed with rod-shaped positioning column 1；Guide part 5 is arranged in the upper and lower part of the positioning column 1；In the guide part 5
Upper clamping has at least three screen 2；Multiple locking pieces 3 are hinged in the edge of the pedestal 4；The locking piece 3 is buckled in institute
It states on screen 2.
When in use, screen is turned into the corresponding locking piece in target position；Later, compressor arm is rotated, screen is placed
In on second withstanding tight block, decontroling compressor arm, second spring pulls compressor arm, and the compressor arm drives third withstanding tight block to compress
In on the side wall of the screen；
First spring pushes adjusting bracket, and adjusting bracket pushes gasket to be pressed on the side wall of the screen, realizes screen
Fixation；The upper end of screen is connected in first clamping slot, and the rotating ring is by screen fixation；The nut will revolve
The upper end of change is fixed；Screen can be turned into all angles and target position as needed, meet spectators from all angles
Carry out viewing video.
The guide part 5 includes the supporting block of nut 51, circular rotating ring 52, the first clamping slot 53 and cubic
54；The nut 51 is rotatably connected on the positioning column 1 with screw thread；It is uniformly connected in along the circumferencial direction of the positioning column 1
On its outer wall；The nut 51 is in the top of the supporting block 54；What the rotating ring 52 rotated is sheathed on the positioning column 1
Above and between the nut 51 and the supporting block 54；Multiple cubics are equipped in the concave side wall of the rotating ring 52
The first clamping slot 53；First clamping slot, the 53 upper end sealing and lower ending opening.
The locking piece 3 includes the first withstanding tight block 37 of cubic, and the side of the first withstanding tight block of Yu Suoshu 37 is connected with
Second withstanding tight block 35 of cubic；It is hinged with compressor arm 39 in upside one end of first withstanding tight block 37, in the compression
Binding has second spring 38 between bar 39 and first withstanding tight block 37；It is fixed in the upper end of the compressor arm 39 with bolt vertical
The third withstanding tight block 31 of cube shape.
In being equipped with adjustment hole 33 in first withstanding tight block 37, that slides in Yu Suoshu adjustment hole 33 is equipped with adjusting bracket
32；It is equipped with the first spring 36 in the end sleeve of the adjusting bracket 32, first spring 36 is held out against in the bottom of the adjustment hole 33
Portion；Discoid gasket 34 is connected in one end of the stretching adjusting bracket 32 of the adjustment hole 33.The gasket 34 uses
Rubber is made.
The adjusting bracket 32 includes the transverse bar 324 of round bar shape, thereon along the direction perpendicular to the transverse bar 324
Side is connected with vertical bar 323；The lever 321 of L shape, Yu Suoshu lever are connected on the upside of one end of the transverse bar 324
321 concave side wall is equipped with the first groove 322；The second groove 327 is recessed in the upside of the transverse bar 324；In the cross
It is connected with the pushing ram 325 of multiple round bar shapes axially along to the other end of bar 324, is arranged on Yu Suoshu pushing ram 325
Third spring 326；The third spring 326 is pressed between the transverse bar 324 and the gasket 34.
First spring 36 is sheathed on the transverse bar 324 and one end is pressed in first groove 322 and described
In second groove 327.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (5)
1. a kind of polyhedral projection screen, which is characterized in that including discoid pedestal (4), the upside center of circle of Yu Suoshu pedestal (4)
Place is screwed with rod-shaped positioning column (1) with screw thread；Guide part (5) are arranged in the upper and lower part of the positioning column (1)；In
Clamping has at least three screen (2) on the guide part (5)；Multiple locking pieces (3) are hinged in the edge of the pedestal (4)；
The locking piece (3) is buckled on the screen (2).
2. polyhedral projection screen according to claim 1, which is characterized in that the guide part (5) includes nut (51), circle
Cricoid rotating ring (52), the first clamping slot (53) and cubic supporting block (54)；The nut (51) is screwed on screw thread
In on the positioning column (1)；It is uniformly connected on its outer wall along the circumferencial direction of the positioning column (1)；The nut
(51) it is in the top of the supporting block (54)；Rotating ring (52) rotation is sheathed on the positioning column (1) and is in
Between the nut (51) and the supporting block (54)；Multiple cubics are equipped in the concave side wall of the rotating ring (52)
First clamping slot (53)；First clamping slot (53) the upper end sealing and lower ending opening.
3. polyhedral projection screen according to claim 2, which is characterized in that the locking piece (3) includes cubic
First withstanding tight block (37), the side of the first withstanding tight block of Yu Suoshu (37) are connected with the second withstanding tight block (35) of cubic；In institute
The upside one end for stating the first withstanding tight block (37) is hinged with compressor arm (39), Yu Suoshu compressor arm (39) and first withstanding tight block
(37) binding has second spring (38) between；Third withstanding tight block (31) are fixed with bolt in the upper end of the compressor arm (39).
4. polyhedral projection screen according to claim 3, which is characterized in that be equipped in the first withstanding tight block of Yu Suoshu (37)
Adjustment hole (33), the interior sliding of Yu Suoshu adjustment hole (33) are equipped with adjusting bracket (32)；End sleeve in the adjusting bracket (32)
Equipped with the first spring (36), first spring (36) is held out against in the bottom of the adjustment hole (33)；In the adjustment hole (33)
One end of the stretching adjusting bracket (32) be connected with gasket (34).
5. polyhedral projection screen according to claim 4, which is characterized in that the adjusting bracket (32) includes the cross of round bar shape
To bar (324), along the direction perpendicular to the transverse bar (324), side is connected with vertical bar (323) thereon；In the transverse direction
The lever (321) of L shape is connected on the upside of one end of bar (324), it is recessed that the concave side wall of Yu Suoshu lever (321) is equipped with first
Slot (322)；The second groove (327) are recessed on the upside of the transverse bar (324)；
It is connected with multiple pushing rams (325), Yu Suoshu pushing ram axially along in the other end of the transverse bar (324)
(325) third spring (326) are arranged on；The third spring (326) is pressed in the transverse bar (324) and the gasket
(34) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064221.3U CN209327772U (en) | 2019-01-15 | 2019-01-15 | A kind of polyhedral projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064221.3U CN209327772U (en) | 2019-01-15 | 2019-01-15 | A kind of polyhedral projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327772U true CN209327772U (en) | 2019-08-30 |
Family
ID=67731340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920064221.3U Expired - Fee Related CN209327772U (en) | 2019-01-15 | 2019-01-15 | A kind of polyhedral projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327772U (en) |
-
2019
- 2019-01-15 CN CN201920064221.3U patent/CN209327772U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20210115 |