CN216561385U - Reel formula lift electronic projection curtain - Google Patents
Reel formula lift electronic projection curtain Download PDFInfo
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- CN216561385U CN216561385U CN202123003699.1U CN202123003699U CN216561385U CN 216561385 U CN216561385 U CN 216561385U CN 202123003699 U CN202123003699 U CN 202123003699U CN 216561385 U CN216561385 U CN 216561385U
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Abstract
The utility model discloses a drum type lifting electric projection screen which comprises a mounting frame, a spring fixing device and an electric lifting device, wherein the spring fixing device is arranged on the mounting frame, and the electric lifting device is arranged on the spring fixing device. The utility model belongs to the technical field of projection screens, and particularly relates to a winding drum type lifting electric projection screen which is high in stability and convenient to disassemble.
Description
Technical Field
The utility model belongs to the technical field of projection screens, and particularly relates to a winding drum type lifting electric projection screen.
Background
Along with the development of science and technology, people's sight is walked into gradually to the projection curtain, the projection curtain can be with the image beam formation of image that the projector throws out on the plane, people's the watching of being convenient for, in teaching, instant surfaces such as meeting have extensive application, current projection curtain when the installation, generally set up the mounting hole on the wall in order to install the bolt, fix the projection curtain again, or, at the ceiling upper shed mounting hole with the installation couple, and then hoist and mount on the ceiling through the couple, nevertheless dismantle through the mode of bolt fastening and change inconveniently, the stability of using the couple installation is not high, consequently, it is high to propose a stability, dismantle convenient reel formula lift electric projection curtain.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a winding drum type lifting electric projection screen which is high in stability and convenient to disassemble.
In order to realize the functions, the technical scheme adopted by the utility model is as follows: a drum-type lifting electric projection screen comprises a mounting frame, a spring fixing device and an electric lifting device, wherein the spring fixing device is arranged on the mounting frame, and the electric lifting device is arranged on the spring fixing device; the elastic fixing device comprises locking frames, dustproof cover plates and fixing columns, wherein the locking frames are arranged on the mounting frames, the locking frames are arranged at two ends of the mounting frames, the top ends of the locking frames are provided with openings, the opposite side walls of the two groups of locking frames are provided with placing grooves, the bottom walls of the locking frames are provided with springs, the springs are provided with supporting plates, two ends of the dustproof cover plates are respectively hinged on the side walls of the two groups of locking frames, two ends of the dustproof cover plates are provided with fixing blocks, the fixing columns are parallel to the dustproof cover plates and are arranged on the inner side walls of the locking frames, the two groups of fixing columns are provided with special-shaped clamping blocks in a rotating mode, the inner sides of the special-shaped clamping blocks are arranged in an arc mode, the inner sides of the special-shaped clamping blocks are provided with limiting grooves, the mounting frames are fixed, the dustproof cover plates are opened, the electric lifting device is arranged between the two groups of special-shaped clamping blocks through the placing grooves, downward pressure is applied to the electric lifting device, and the bottom ends of the special-shaped clamping blocks are extruded by the electric lifting device, the top of two sets of dysmorphism clamp splice rotates around the fixed column to the centre, and dysmorphism clamp splice extrusion layer board, layer board extrusion spring, electric lift device are pressed from both sides in the middle of two sets of dysmorphism clamp splices, cover the dust cover board, drive the fixed block and remove, and the fixed block inserts the gap between dysmorphism clamp splice and the locking frame, and the position of dysmorphism clamp splice is fixed no longer rotates, and then fixes electric lift device.
Further, electric lift device is including placing the pole, shell and motor, it passes the standing groove and locates between the dysmorphism clamp splice to place the pole, it is equipped with the stopper on the pole to place, it is equipped with two sets ofly to place the pole, the stopper is located the spacing inslot, the both ends of shell are connected on placing the pole, be equipped with the movable groove on the diapire of shell, the motor is located on the inside wall of shell one end, the output of motor is equipped with the spool, the end of spool rotates on locating the other end inside wall of shell, the winding is equipped with the curtain on the spool, the curtain runs through the movable groove.
Furthermore, the position of the fixed block is correspondingly arranged in the locking frame.
Further, the inner shape of the special-shaped clamping block is matched with the shape of the placing rod.
Furthermore, the bottom end of the curtain is provided with a bottom shaft, so that the curtain is prevented from being completely rolled into the shell.
The utility model adopts the structure to obtain the following beneficial effects: according to the drum-type lifting electric projection screen, the special-shaped clamping blocks and the supporting plate are arranged, the placing rods are meshed, the dustproof cover plate and the fixing block are matched, the positions of the special-shaped clamping blocks are fixed, the placing rods are further fixed, the drum-type lifting electric projection screen is convenient to install and disassemble, the limiting grooves and the limiting blocks are arranged, the placing rods are fixed, the placing rods are prevented from rotating, and the stability of the drum-type lifting electric projection screen is improved.
Drawings
Fig. 1 is an overall structure view of a drum-type lifting electric projection screen according to the present invention;
fig. 2 is a side view of a spring fixing device of a roll type lifting electric projection screen according to the present invention.
The device comprises a mounting frame, a fixing device, an elastic fixing device, an electric lifting device, a locking frame, a dustproof cover plate, a fixing column, a placing groove, a spring, a supporting plate, a fixing block, a fixing groove, a supporting plate, a fixing block, a limiting groove, a fixing block, a.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the roll-type lifting electric projection screen provided by the present invention comprises a mounting frame 1, a spring fixing device 2 and an electric lifting device 3, wherein the spring fixing device 2 is arranged on the mounting frame 1, and the electric lifting device 3 is arranged on the spring fixing device 2; suppress fixing device 2 and include locking frame 4, dust cover 5 and fixed column 6, locking frame 4 is located on mounting bracket 1, locking frame 4 locates mounting bracket 1's both ends, locking frame 4 is the top end opening setting, be equipped with standing groove 7 on two sets of relative lateral walls of locking frame 4, be equipped with spring 8 on locking frame 4's the diapire, be equipped with layer board 9 on the spring 8, the both ends of dust cover 5 articulate respectively on two sets of locking frame 4's the lateral wall, dust cover 5's both ends are equipped with fixed block 10, the position correspondence of fixed block 10 is located in locking frame 4, the parallel dust cover 5 of fixed column 6 is located on locking frame 4's the inside wall, fixed column 6 is equipped with two sets ofly, it is equipped with special-shaped clamp splice 11 to rotate on fixed column 6, the inboard of special-shaped clamp splice 11 is the arc setting, the inboard of special-shaped clamp splice 11 is equipped with spacing groove 12.
Electric lift device 3 is including placing pole 13, shell 14 and motor 15, it passes standing groove 7 and locates between dysmorphism clamp splice 11 to place pole 13, it is equipped with two sets ofly to place pole 13, it is equipped with stopper 16 on pole 13 to place, stopper 16 locates in limiting groove 12, the shape of placing pole 13 conforms to with the inboard shape of dysmorphism clamp splice 11, shell 14's both ends are connected on placing pole 13, be equipped with movable groove 17 on shell 14's the diapire, motor 15 locates on the inside wall of shell 14 one end, motor 15's output is equipped with spool 18, the end of spool 18 rotates and locates on shell 14's the other end inside wall, the winding is equipped with curtain 19 on the spool 18, curtain 19 runs through movable groove 17, curtain 19's bottom is equipped with bottom shaft 20.
When the curtain cloth rolling device is used specifically, the mounting frame 1 is fixed, the dustproof cover plate 5 is opened, the placing rods 13 at two ends of the shell 14 are respectively placed in the placing grooves 7, the placing rods 13 are placed between the two groups of special-shaped clamping blocks 11, downward pressure is applied to the placing rods 13, the placing rods 13 press the bottom ends of the special-shaped clamping blocks 11, the top ends of the two groups of special-shaped clamping blocks 11 rotate towards the middle around the fixed column 6, the special-shaped clamping blocks 11 press the supporting plate 9, the supporting plate 9 presses the spring 8, the limiting blocks 16 are placed in the limiting grooves 12, the placing rods 13 are clamped in the middle, the dustproof cover plate 5 is rotationally covered to drive the fixed blocks 10 to move until the fixed blocks 10 are inserted into a gap between the special-shaped clamping blocks 11 and the locking frame 4, the positions of the special-shaped clamping blocks 11 are fixed and do not rotate any more, the placing rods 13 are locked, the shell 14 is fixed in position, after the power supply is connected, the motor 15 is started to drive the scroll 18 to rotate, the scroll 19 drives the scroll, realize the lift of curtain 19, if will dismantle the projection curtain, open dust cover 5, drive fixed block 10 and remove, spring 8 promotes layer board 9 upward movement, and layer board 9 extrudees the bottom of special-shaped clamp splice 11, and the top of special-shaped clamp splice 11 opens to both sides, upwards lifts and places pole 13, can take out.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a reel formula lift electric projection curtain which characterized in that: the device comprises an installation frame (1), a spring fixing device (2) and an electric lifting device (3), wherein the spring fixing device (2) is arranged on the installation frame (1), and the electric lifting device (3) is arranged on the spring fixing device (2); the elastic pressing fixing device (2) comprises a locking frame (4), a dustproof cover plate (5) and fixing columns (6), the locking frame (4) is arranged on the mounting frame (1), the locking frame (4) is arranged at two ends of the mounting frame (1), the locking frame (4) is arranged in a top end opening mode, two groups of locking frames (4) are provided with placing grooves (7) on opposite side walls, springs (8) are arranged on the bottom wall of the locking frame (4), supporting plates (9) are arranged on the springs (8), two ends of the dustproof cover plate (5) are respectively hinged to the side walls of the two groups of locking frames (4), fixing blocks (10) are arranged at two ends of the dustproof cover plate (5), the fixing columns (6) are parallel to the dustproof cover plate (5) and are arranged on the inner side wall of the locking frame (4), two groups of fixing columns (6) are arranged on the fixing columns (6), and special-shaped clamping blocks (11) are rotatably arranged on the fixing columns (6), the inner side of the special-shaped clamping block (11) is arranged in an arc shape, and the inner side of the special-shaped clamping block (11) is provided with a limiting groove (12).
2. The roll-type elevating electric projection screen as claimed in claim 1, wherein: electric lift device (3) are including placing pole (13), shell (14) and motor (15), it passes standing groove (7) and locates between dysmorphism clamp splice (11) to place pole (13), it is equipped with stopper (16) on pole (13) to place, it is equipped with two sets ofly to place pole (13), stopper (16) are located in spacing groove (12), the both ends of shell (14) are connected on placing pole (13), be equipped with movable groove (17) on the diapire of shell (14), motor (15) are located on the inside wall of shell (14) one end, the output of motor (15) is equipped with spool (18), the end of spool (18) is rotated and is located on the other end inside wall of shell (14), the winding is equipped with curtain (19) on spool (18), curtain (19) run through movable groove (17).
3. The roll-type elevating electric projection screen as claimed in claim 2, wherein: the position of the fixed block (10) is correspondingly arranged in the locking frame (4).
4. The roll-type elevating electric projection screen as claimed in claim 3, wherein: the inner side shape of the special-shaped clamping block (11) is matched with the shape of the placing rod (13).
5. The roll-type elevating electric projection screen as claimed in claim 4, wherein: the bottom end of the curtain (19) is provided with a bottom shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003699.1U CN216561385U (en) | 2021-12-02 | 2021-12-02 | Reel formula lift electronic projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003699.1U CN216561385U (en) | 2021-12-02 | 2021-12-02 | Reel formula lift electronic projection curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216561385U true CN216561385U (en) | 2022-05-17 |
Family
ID=81538727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123003699.1U Active CN216561385U (en) | 2021-12-02 | 2021-12-02 | Reel formula lift electronic projection curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216561385U (en) |
-
2021
- 2021-12-02 CN CN202123003699.1U patent/CN216561385U/en active Active
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