CN210032778U - Inner screen lifting type double-ball screen film watching system - Google Patents
Inner screen lifting type double-ball screen film watching system Download PDFInfo
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- CN210032778U CN210032778U CN201920738979.0U CN201920738979U CN210032778U CN 210032778 U CN210032778 U CN 210032778U CN 201920738979 U CN201920738979 U CN 201920738979U CN 210032778 U CN210032778 U CN 210032778U
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Abstract
The utility model discloses an inner curtain lifting type double-ball curtain film watching system, which comprises a backdrop and a ball curtain, wherein the backdrop is fixed with a door opening and closing system, and the door opening and closing system comprises a door opening and closing device and a door opening and closing driving device for driving the door opening and closing device to open or close; a lifting system mounting platform is mounted above the backdrop, a lifting system capable of lifting the spherical backdrop along the central axis of the backdrop is mounted on the lifting system mounting platform, and a lifting driving device for driving the lifting system to move is fixed on the lifting system mounting platform; the projection screen system comprises a plurality of projectors II projected by the backdrop. The utility model discloses a set up ball curtain and canopy, enable two screens and form interdynamic. The dome screen can be lifted to the outside of the dome screen, so that the viewing of a viewer is better facilitated.
Description
Technical Field
The utility model relates to a see shadow system, specifically speaking are two ball curtain of interior curtain over-and-under type see shadow system.
Background
In current ball curtain cinema, all adopt one to be the projection screen of hemisphere shell type, and when only adopting a projection screen, can't reach the interactive effect of image, very inconvenient and new and strange sense less to seeing shadow personnel, meanwhile to science and technology museum, this kind of screen can not better reach popular science effect. Therefore, the film watching system which uses two screens for interaction is generated, namely, one backdrop screen and one spherical screen, but the spherical screen in the existing film watching system can not be moved and can only be fixed in a cinema, and when the spherical screen is not used, a lot of projection light can be shielded by the spherical screen.
SUMMERY OF THE UTILITY MODEL
According to the technical problem, an inner screen lifting type double-dome-screen film watching system is provided. The utility model discloses a technical means as follows:
the inner screen lifting type double-spherical screen viewing system comprises a canopy system and a spherical projection screen system, wherein the canopy system comprises an outer shell, an inner shell arranged in the outer shell and a canopy frame which is arranged in the inner shell and is of a hemispherical shell type;
the spherical projection screen system comprises a spherical frame, wherein a plurality of projection screens I are embedded in the outer surface of the spherical frame to form a spherical screen;
the top of the backdrop frame is provided with a circular notch matched with the spherical frame, the axis of the circular notch is superposed with the axis of the backdrop frame, the outer surface of the top of the backdrop frame is fixedly provided with an opening and closing door system at the circular notch, and the opening and closing door system comprises an opening and closing door device and an opening and closing door driving device for driving the opening and closing door device to open or close; the retractable door device comprises a retractable door, and a plurality of projection screens II are embedded in the bottom of the retractable door and the inner wall of the backdrop frame to form a backdrop;
a lifting system mounting platform is mounted at the top of the outer shell, a lifting system capable of lifting the spherical projection screen system along the central axis of the canopy frame is mounted on the lifting system mounting platform, and a lifting driving device for driving the lifting system to move is fixed on the lifting system mounting platform;
a plurality of projectors I for projecting to the spherical screen are uniformly arranged at the bottom of the canopy frame around the central axis of the canopy frame;
the projection screen system is characterized in that a projection screen system fixed on the ground is arranged under the spherical projection screen system, and the projection screen system comprises a plurality of projectors II projecting to the backdrop.
Furthermore, the door opening and closing device comprises a door opening and closing device fixing frame, the door opening and closing device transposition fixing frame is fixedly connected with the top of the canopy frame, a rotating ring is fixed in the door opening and closing device fixing frame, and the axis of the rotating ring is superposed with the central axis of the canopy frame; the rotating ring comprises a lower fixing ring and an upper rotating ring arranged on the lower fixing ring, a plurality of arc-shaped key grooves are formed in the upper rotating ring, and limit keys fixedly connected with the lower fixing ring are arranged in the arc-shaped key grooves;
the opening and closing door is arranged in the rotating ring and formed by splicing a plurality of blades, a blade fixing frame matched with the blades is fixed on the upper surfaces of the blades, the blades are provided with a tip end part, an arc-shaped convex part and an arc-shaped concave part matched with the arc-shaped convex part, and the tip end part is arranged at the center of the opening and closing door; one end, far away from the tip end, of the arc-shaped protruding portion is fixedly connected with one end of a connecting rod, and the other end of the connecting rod is rotatably connected with the upper rotating ring through a rotating shaft I; one end of the arc-shaped sunken part, which is far away from the tip part, is rotatably connected with the door opening and closing device fixing frame through a rotating shaft II; the axes of the rotating shaft I and the rotating shaft II are parallel to the central axis of the canopy frame;
the outer edge of the upper rotating ring is provided with outer teeth;
the door opening and closing driving device is fixedly connected with the door opening and closing device fixing frame, the door opening and closing driving device is connected with a driving gear, and the driving gear is meshed with the external teeth.
The upper surface of the lifting system mounting platform is provided with a four-stage anti-rotation telescopic pipe protection frame; the lifting system comprises a four-stage anti-rotation telescopic pipe arranged on the lower surface of the four-stage anti-rotation telescopic pipe protection frame, the axis of the four-stage anti-rotation telescopic pipe is superposed with the central axis of the awning frame, and the four-stage anti-rotation telescopic pipe comprises an outer sleeve, a secondary outer sleeve, a middle sleeve and an inner sleeve; the outer sleeve is fixedly connected with the four-stage anti-rotation telescopic sleeve protection frame; a plurality of anti-rotation key grooves are formed in the inner wall of the outer sleeve, the inner wall of the secondary outer sleeve and the inner wall of the middle sleeve, the extending directions of the anti-rotation key grooves are parallel to the central axis of the awning frame, and sliding keys matched with the anti-rotation key grooves are fixed on the outer wall of the secondary outer sleeve, the outer wall of the middle sleeve and the outer wall of the inner sleeve; the bottom of the inner sleeve is fixedly connected with the spherical frame, and the spherical center of the spherical frame is superposed with the central axis of the canopy frame;
the lower surface of the lifting system mounting platform is provided with a spherical projection screen system protection frame;
the lifting driving device is a winch, the winch is fixedly connected with the upper surface of the lifting system mounting platform, a fixed pulley I right opposite to the winch is arranged at the bottom of the telescopic sleeve protection frame, a fixed pulley II right opposite to the fixed pulley I is arranged on the outer edge of the top of the telescopic sleeve protection frame, a fixed pulley III right opposite to the fixed pulley II is fixed in the middle of the top of the telescopic sleeve protection frame, the lifting system further comprises a steel cable matched with the winch, one end of the steel cable is fixedly connected with the winch, and the other end of the steel cable vertically penetrates downwards through the fixed pulley I, the fixed pulley II and the fixed pulley III to form a four-stage anti-rotation telescopic sleeve and the spherical frame.
Further, the projection screen system still includes the glass steel cover that is the cylinder, the axis of glass steel cover with the axis coincidence of canopy frame, just be equipped with in the glass steel cover with the cylinder support of the coaxial setting of glass steel cover, it is a plurality of projecting apparatus II is fixed the top of cylinder support, and it is a plurality of projecting apparatus II centers on the axis evenly distributed of cylinder support, just the internal diameter of cylinder support is greater than the external diameter of ball curtain.
Furthermore, the projection screen II is a micropore projection screen.
In the use state: when the spherical screen is wanted to be used, the opening and closing door driving device rotates to further drive the driving gear to rotate, the rotating ring rotates under the action of the driving gear, the connecting rod is further driven to drive the blades to rotate around the rotating shaft II, the opening and closing door formed by the blades is opened like a camera shooting shutter, the winch moves at the moment to further drive the steel cable to move, the spherical screen moves downwards and enters a cinema formed by the sky screen through the fixed pulley I, the fixed pulley II and the fixed pulley III, the four-stage rotation-preventing telescopic pipe moves downwards, and the spherical screen only moves vertically downwards and cannot rotate due to the rotation-preventing key groove and the sliding key. At this moment, the projector I projects the dome screen, the projector II projects the dome screen, and audiences watch the dome screen.
When the spherical screen is used, the winch moves reversely to drive the spherical screen to move upwards, at the moment, the inner sleeve and the middle sleeve of the four-stage anti-rotation telescopic sleeve retract into the outer sleeve, and the spherical screen moves into the spherical projection screen system protection frame; at the moment, the opening and closing door driving device rotates reversely, so that the driving gear is driven to rotate reversely, the rotating ring resets under the action of the driving gear, and the opening and closing door is closed. At this point, the projector I is turned off.
Through setting up dome and canopy, enable film and two screens and form interdynamic, if when science and technology center demonstration tide was used for, the dome is used for playing the change of moon, this moment the change of canopy broadcast wave to reach the interdynamic of dome and canopy.
The utility model has the advantages of it is following:
1. through setting up dome and canopy, enable two screens and form interdynamic.
2. The dome screen can be lifted to the outside of the dome screen, so that the viewing of a viewer is better facilitated.
Based on the reason, the utility model discloses can extensively promote in fields such as sight shadow.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an inner curtain lifting type double-ball curtain film viewing system in the embodiment of the present invention.
Fig. 2 is a schematic structural view of the dome curtain in the canopy according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of an opening and closing door system according to an embodiment of the present invention.
Fig. 4 is a top view of an opening and closing door system according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a lifting system in an embodiment of the present invention.
Fig. 6 is an enlarged view of a portion a in fig. 1.
Fig. 7 is a front view of a projection screen system according to an embodiment of the present invention.
Fig. 8 is an enlarged view of a portion B in fig. 5.
In the figure: 1. a canopy system; 11. an outer housing; 12. an inner housing; 13. a canopy frame; 131. a circular notch; 132. a projection screen II; 14. a backdrop; 2. a spherical projection screen system; 21. a spherical frame; 22. a projection screen I; 23. a ball screen; 3. a door opening and closing system; 31. a door opening and closing device; 311. opening and closing the door; 312. a door opening and closing device fixing frame; 32. a door opening and closing drive device; 321. a drive gear; 33. rotating the ring; 331. a fixing ring; 332. an upper rotating ring; 333. an arc-shaped key slot; 334. a limiting key; 335. an outer tooth; 34. a blade; 341. a tip portion; 342. an arc-shaped boss; 343. an arc-shaped recess; 35. a connecting rod; 36. a rotating shaft I; 37. a rotating shaft II; 38. fixing the rod; 4. a lifting system mounting platform; 41. a four-stage anti-rotation telescopic sleeve protection frame; 411. a fixed pulley I; 412. a fixed pulley II; 413. a fixed pulley III; 42. a spherical projection screen system fender bracket; 5. a lifting system; 6. a lifting drive device (hoist); 61. a steel cord; 7. a projector I; 8. a projection pool system; 81, projector II; 82. a glass fiber reinforced plastic cover; 83. a cylindrical support; 9. a four-stage anti-rotation telescopic sleeve; 91. an outer sleeve; 911. an anti-rotation key slot; 912. a sliding key; 92. a middle sleeve; 93. an inner sleeve; 94 outer sleeves.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-8, the inner screen lifting type double-spherical screen viewing system comprises a backdrop system 1 and a spherical projection screen system 2, wherein the backdrop system 1 comprises an outer shell 11, an inner shell 12 arranged in the outer shell 11, and a backdrop frame 13 which is arranged in the inner shell 12 and is of a hemispherical shell type;
the spherical projection screen system 2 comprises a spherical frame 21, wherein a plurality of projection screens I22 are embedded on the outer surface of the spherical frame 21 to form a spherical screen 23;
the top of the backdrop frame 13 is provided with a circular notch 131 matched with the spherical frame 13, the axis of the circular notch is overlapped with the central axis of the backdrop frame, the outer surface of the top of the backdrop frame 13 is fixed with an opening and closing door system 3 at the circular notch 131, and the opening and closing door system 3 comprises an opening and closing door device 31 and an opening and closing door driving device 32 for driving the opening and closing door device 31 to open or close; the door opening and closing device 31 comprises an opening and closing door 311, and a plurality of projection screens II 132 are embedded in the bottom of the opening and closing door 311 and the inner wall of the backdrop frame 13 to form a backdrop 14;
a lifting system mounting platform 4 is mounted at the top of the outer shell 11, a lifting system 5 capable of lifting the spherical projection screen system 2 along the central axis of the canopy frame 13 is mounted on the lifting system mounting platform 4, and a lifting driving device 6 for driving the lifting system 5 to move is fixed on the lifting system mounting platform 4;
a plurality of projectors I7 projecting to the spherical screen 23 are uniformly arranged at the bottom of the canopy frame 13 around the central axis of the canopy frame 13;
a projection screen system 8 fixed on the ground is arranged under the spherical projection screen system 2, and the projection screen system 8 comprises a plurality of projectors II 81 projecting to the backdrop 14.
Further, the door opening and closing device 31 includes a door opening and closing device fixing frame 312, the door opening and closing device fixing frame 312 is fixedly connected with the top of the canopy frame 13, a swivel 33 is fixed in the door opening and closing device fixing frame 312, and the axis of the swivel 33 is overlapped with the central axis of the canopy frame 13; the rotating ring 33 comprises a lower fixing ring 331 and an upper rotating ring 332 arranged on the lower fixing ring 331, wherein a plurality of arc-shaped key slots 333 are arranged on the upper rotating ring 332, and limit keys 334 fixedly connected with the lower fixing ring 331 are arranged in the arc-shaped key slots 333;
the opening and closing door 311 is arranged in the swivel 33, the opening and closing door 311 is formed by splicing a plurality of blades 34, a blade fixing frame 341 matched with the blades 34 is fixed on the upper surface of each blade 34, each blade 34 is provided with a tip portion 341, an arc-shaped convex portion 342 and an arc-shaped concave portion 343 matched with the arc-shaped convex portion 342, and the tip portion 341 is arranged at the center of the opening and closing door 311; one end of the arc-shaped protruding part 342, which is far away from the tip part 341, is fixedly connected with one end of the connecting rod 35, and the other end of the connecting rod 35 is rotatably connected with the upper rotating ring 332 through a rotating shaft i 36; one end of the arc-shaped concave part 343, which is far away from the tip part 341, is rotatably connected with the door opening and closing device fixing frame 312 through a rotating shaft II 37; the top end of the rotating shaft II 37 is fixedly connected with the upper surface of the blade 34 through a fixing rod 38; the axes of the rotating shaft I36 and the rotating shaft II 37 are parallel to the central axis of the canopy frame 13;
the outer edge of the upper rotating ring 332 is provided with outer teeth 335;
the door opening and closing driving device 32 is fixedly connected with the door opening and closing device fixing frame 312, the driving device 32 is connected with a driving gear 321, and the driving gear 321 is meshed with the external teeth 335.
The upper surface of the lifting system mounting platform 4 is provided with a four-stage anti-rotation telescopic pipe protection frame 41;
the lifting system 5 comprises a four-stage anti-rotation telescopic pipe 9 arranged on the lower surface of the top of the four-stage anti-rotation telescopic pipe protection frame 41, the axis of the four-stage anti-rotation telescopic pipe 9 is overlapped with the central axis of the canopy frame 13, and the four-stage anti-rotation telescopic pipe 9 comprises an outer sleeve 91, a secondary outer sleeve 94, a middle sleeve 92 and an inner sleeve 93; the outer sleeve 91 is fixedly connected with the four-stage anti-rotation telescopic sleeve protection frame 41; a plurality of anti-rotation key slots 911 are formed in the inner walls of the outer sleeve 91, the secondary outer sleeve 94 and the middle sleeve 92, the extending direction of the anti-rotation key slots 911 is parallel to the central axis of the awning frame 13, and sliding keys 912 matched with the anti-rotation key slots 911 are fixed on the outer walls of the secondary outer sleeve 94, the middle sleeve 92 and the inner sleeve 93; the bottom of the inner sleeve 93 is fixedly connected with the spherical frame 21, and the spherical center of the spherical frame 21 is superposed with the central axis of the canopy frame 13;
a four-stage anti-rotation telescopic pipe protection frame 41 is arranged on the upper surface of the lifting system installation platform 4, and a spherical projection screen system protection frame 42 is arranged on the lower surface of the lifting system installation platform 4;
the lifting driving device 6 is a winch 6, a plurality of winches 6 are arranged on the upper surface of the lifting system mounting platform 4, a fixed pulley I411 opposite to the winch 6 is arranged at the bottom of the telescopic sleeve protection frame 41, a fixed pulley II 412 opposite to the fixed pulley I411 is arranged on the outer edge of the top of the telescopic sleeve protection frame 41, and a fixed pulley III 413 opposite to the fixed pulley II 412 is fixed in the middle of the top of the telescopic sleeve protection frame 41; the lifting system 5 further comprises a steel cable 61 matched with the winch 6; one end of the steel cable 61 is fixedly connected with the winch 6, and the other end of the steel cable 61 vertically and downwards passes through the four-stage anti-rotation telescopic tube 9 through the fixed pulley I411, the fixed pulley II 412 and the fixed pulley III 413 to be fixedly connected with the spherical frame 21.
The projection screen II 132 is a micropore projection screen.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The inner screen lifting type double-spherical-screen film watching system is characterized by comprising a backdrop system and a spherical projection screen system, wherein the backdrop system comprises an outer shell, an inner shell arranged in the outer shell and a backdrop frame which is arranged in the inner shell and is of a hemispherical shell type;
the spherical projection screen system comprises a spherical frame, wherein a plurality of projection screens I are embedded in the outer surface of the spherical frame to form a spherical screen;
the top of the backdrop frame is provided with a circular notch matched with the spherical frame, the axis of the circular notch is superposed with the axis of the backdrop frame, the outer surface of the top of the backdrop frame is fixedly provided with an opening and closing door system at the circular notch, and the opening and closing door system comprises an opening and closing door device and an opening and closing door driving device for driving the opening and closing door device to open or close; the retractable door device comprises a retractable door, and a plurality of projection screens II are embedded in the bottom of the retractable door and the inner wall of the backdrop frame to form a backdrop;
a lifting system mounting platform is mounted at the top of the outer shell, a lifting system capable of lifting the spherical projection screen system along the central axis of the canopy frame is mounted on the lifting system mounting platform, and a lifting driving device for driving the lifting system to move is fixed on the lifting system mounting platform;
a plurality of projectors I for projecting to the spherical screen are uniformly arranged at the bottom of the canopy frame around the central axis of the canopy frame;
the projection screen system is characterized in that a projection screen system fixed on the ground is arranged under the spherical projection screen system, and the projection screen system comprises a plurality of projectors II projecting to the backdrop.
2. The inner screen lifting type double-ball screen viewing system according to claim 1, wherein:
the door opening and closing device comprises a door opening and closing device fixing frame, the door opening and closing device transposition fixing frame is fixedly connected with the top of the backdrop frame, a rotating ring is fixed in the door opening and closing device fixing frame, and the axis of the rotating ring is superposed with the central axis of the backdrop frame; the rotating ring comprises a lower fixing ring and an upper rotating ring arranged on the lower fixing ring, a plurality of arc-shaped key grooves are formed in the upper rotating ring, and limit keys fixedly connected with the lower fixing ring are arranged in the arc-shaped key grooves;
the opening and closing door is arranged in the rotating ring and formed by splicing a plurality of blades, a blade fixing frame matched with the blades is fixed on the upper surfaces of the blades, the blades are provided with a tip end part, an arc-shaped convex part and an arc-shaped concave part matched with the arc-shaped convex part, and the tip end part is arranged at the center of the opening and closing door; one end, far away from the tip end, of the arc-shaped protruding portion is fixedly connected with one end of a connecting rod, and the other end of the connecting rod is rotatably connected with the upper rotating ring through a rotating shaft I; one end of the arc-shaped sunken part, which is far away from the tip part, is rotatably connected with the door opening and closing device fixing frame through a rotating shaft II; the axes of the rotating shaft I and the rotating shaft II are parallel to the central axis of the canopy frame;
the outer edge of the upper rotating ring is provided with outer teeth;
the door opening and closing driving device is fixedly connected with the door opening and closing device fixing frame, the door opening and closing driving device is connected with a driving gear, and the driving gear is meshed with the external teeth.
3. The inner screen lifting type double-ball screen viewing system according to claim 1, wherein: the upper surface of the lifting system mounting platform is provided with a four-stage anti-rotation telescopic pipe protection frame; the lifting system comprises a four-stage anti-rotation telescopic pipe arranged on the lower surface of the four-stage anti-rotation telescopic pipe protection frame, the axis of the four-stage anti-rotation telescopic pipe is superposed with the central axis of the awning frame, and the four-stage anti-rotation telescopic pipe comprises an outer sleeve, a secondary outer sleeve, a middle sleeve and an inner sleeve; the outer sleeve is fixedly connected with the four-stage anti-rotation telescopic sleeve protection frame; a plurality of anti-rotation key grooves are formed in the inner wall of the outer sleeve, the inner wall of the secondary outer sleeve and the inner wall of the middle sleeve, the extending directions of the anti-rotation key grooves are parallel to the central axis of the awning frame, and sliding keys matched with the anti-rotation key grooves are fixed on the outer wall of the secondary outer sleeve, the outer wall of the middle sleeve and the outer wall of the inner sleeve; the bottom of the inner sleeve is fixedly connected with the spherical frame, and the spherical center of the spherical frame is superposed with the central axis of the awning frame;
the lower surface of the lifting system mounting platform is provided with a spherical projection screen system protection frame;
the lifting driving device is a winch, the winch is fixedly connected with the upper surface of the lifting system mounting platform, a fixed pulley I right opposite to the winch is arranged at the bottom of the telescopic sleeve protection frame, a fixed pulley II right opposite to the fixed pulley I is arranged on the outer edge of the top of the telescopic sleeve protection frame, a fixed pulley III right opposite to the fixed pulley II is fixed in the middle of the top of the telescopic sleeve protection frame, the lifting system further comprises a steel cable matched with the winch, one end of the steel cable is fixedly connected with the winch, and the other end of the steel cable vertically penetrates downwards through the fixed pulley I, the fixed pulley II and the fixed pulley III to form a four-stage anti-rotation telescopic sleeve and the spherical frame.
4. The inner screen lifting type double-ball screen viewing system according to claim 1, wherein: the projection screen system is characterized in that the projection screen system further comprises a cylindrical glass steel cover, the axis of the glass steel cover coincides with the central axis of the awning frame, a cylindrical support is arranged in the glass steel cover and is coaxial with the glass steel cover, the projector II is fixed to the top end of the cylindrical support and is arranged in the glass steel cover in a mode that the projector II surrounds the central axis of the cylindrical support in an evenly distributed mode, and the inner diameter of the cylindrical support is larger than the outer diameter of the awning.
5. The inner screen lifting type double-ball screen viewing system according to claim 1, wherein: and the projection screen II is a micropore projection screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738979.0U CN210032778U (en) | 2019-05-21 | 2019-05-21 | Inner screen lifting type double-ball screen film watching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738979.0U CN210032778U (en) | 2019-05-21 | 2019-05-21 | Inner screen lifting type double-ball screen film watching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210032778U true CN210032778U (en) | 2020-02-07 |
Family
ID=69367035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920738979.0U Active CN210032778U (en) | 2019-05-21 | 2019-05-21 | Inner screen lifting type double-ball screen film watching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210032778U (en) |
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2019
- 2019-05-21 CN CN201920738979.0U patent/CN210032778U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Inside lifting double ball screen viewing system Effective date of registration: 20220621 Granted publication date: 20200207 Pledgee: Industrial and Commercial Bank of China Limited Dalian high tech Park sub branch Pledgor: DALIAN BEYOND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022980008530 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 116000 North side factory building and original dormitory building, No. 26 Xinda Street, Dalian High tech Industrial Park, Dalian, Liaoning Province Patentee after: Dalian Boyue Intelligent Equipment Co.,Ltd. Address before: 116000 lazishan village, xinzhaizi street, Ganjingzi District, Dalian City, Liaoning Province Patentee before: DALIAN BEYOND TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |