CN211348985U - Higher education is with projection screen with rolling function - Google Patents
Higher education is with projection screen with rolling function Download PDFInfo
- Publication number
- CN211348985U CN211348985U CN202020152212.2U CN202020152212U CN211348985U CN 211348985 U CN211348985 U CN 211348985U CN 202020152212 U CN202020152212 U CN 202020152212U CN 211348985 U CN211348985 U CN 211348985U
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- projection
- rod
- projection screen
- higher education
- rolling function
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Abstract
The utility model belongs to the technical field of the projection screen, especially for higher education with rolling function uses projection screen, including take-up reel, projection cloth and leveling rod, the bottom of take-up reel is provided with the regulating block, and the inside of regulating block is provided with links up the piece, the avris that links up the piece links up splint, and the inboard of splint runs through there is the connecting rod to the tip of connecting rod is provided with the nut, the avris of arranging the regulating block in is laid in to the projection, and the top of projection cloth links up has the wind-up roll, the tip of wind-up roll links up has drive belt, and drive belt's top installs servo motor, servo motor's right side is provided with the fixed plate, and the inboard of fixed plate has seted up the slide rail to the inside of slide rail is provided with the sighting. This screen for higher education with rolling function can convenient high efficiency carry out the rolling to the projection curtain, and device structure degree of automation is high, and the structure is adjusted nimble high-efficient, and the convenient high efficiency of user's operation is favorable to promoting the curtain roughness.
Description
Technical Field
The utility model relates to a projection screen technical field specifically is a projection screen for higher education with rolling function.
Background
Along with the rapid development of science and technology, the technology in the aspect of the projection screen is also continuously promoted and is rapidly applied to the education field, great convenience is provided for teaching, but when the projection screen is rolled and flattened, a lot of small problems exist, and the requirement that an educator uses multimedia to educate cannot be better met.
Present traditional projection screen exists and neatly differs in the rolling and shakeout to projection screen, the fold appears easily, cause the dead condition of rolling cloth card easily in the rolling, receive circulation of air influence swing easily after shakeout, be unfavorable for the problem of watching to projection content, need have can convenient high efficiency carry out the rolling to the projection curtain, device structure degree of automation is high, the structure regulation is nimble high-efficient, the convenient high efficiency of user operation, be favorable to promoting the projection screen of curtain roughness.
In order to solve the above problems, innovative design based on the original projection screen is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a projection screen for higher education with rolling function to the uniformity differs when solving the rolling of the like product that proposes in the above-mentioned background art to projection screen and shakeouts, the fold appears easily, causes the dead condition of rolling cloth card easily in the rolling, receives the circulation of air influence swing easily after shakeouts, is unfavorable for the problem of watching to projection content.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projection screen for higher education with rolling function, is including receipts reel, projection cloth and leveling rod, the bottom of receipts reel is provided with the regulating block, and the inside of regulating block is provided with links up the piece, the avris of linking up the piece links up splint, and the inboard of splint runs through there is the connecting rod to the tip of connecting rod is provided with the nut, the avris of arranging the regulating block in is laid in the projection, and the top of projection cloth links up the wind-up roll, the tip of wind-up roll links up drive belt, and drive belt's top installs servo motor, servo motor's right side is provided with the fixed plate, and the inboard of fixed plate has seted up the slide rail to the inside of slide rail is provided with the benchmarking pole, the leveling rod links up in the bottom of projection cloth, and the outside of leveling rod is provided with spacing kelly to the outside of spacing kelly is provided with the.
Preferably, the clamping plates are in sliding connection with the adjusting blocks through the connecting blocks, the adjusting blocks are movably connected with the winding drum, and the adjusting blocks are symmetrically arranged on the central axis of the winding drum.
Preferably, splint are provided with two about the axis symmetry of regulating block, and splint and connecting rod pass through the nut and constitute detachable construction to the axis of splint parallels with the axis of projection cloth.
Preferably, the winding roller and the servo motor form a chain transmission structure through a transmission belt, and the winding roller and the winding drum form a rotating connection through a bearing embedded in the winding drum.
Preferably, the benchmarking pole and the fixing plate form a sliding structure through a sliding rail, and the central axis of the benchmarking pole coincides with the central axis of the projection cloth.
Preferably, the leveling rod forms a detachable structure with the fixed seat through the limiting clamping rod, and the central axis of the leveling rod is parallel to the central axis of the winding roller.
Compared with the prior art, the beneficial effects of the utility model are that: the projection screen with the winding function for higher education can wind the projection screen conveniently and efficiently, the device is high in structural automation degree, flexible and efficient in structural adjustment, convenient and efficient in user operation, and favorable for improving the flatness of the screen;
1. the projector is well installed and fixed through the arrangement of the adjusting block and the winding drum, the winding drum is fixed according to the horizontal position, after the winding drum is installed, a user fixedly installs the fixing seat at the position with the lowest extension distance of the leveling rod and fixes the fixing seat by using a screw, then, the user can move the adjusting block according to the thickness and the width of the projection cloth and determine the position of the adjusting block, the installation and the fixation of the device by the user are convenient, and the use and the operation of the user are convenient;
2. through the arrangement of the clamping plates, the connecting rod and the nut, a user can rotate the nut on the connecting rod, so that the position of the middle clamping plate can be adjusted, meanwhile, the two clamping plates can slide in the adjusting block through the arrangement of the connecting block, so that the extended projection cloth is limited, and the condition that the cloth is uneven and wrinkled when the curtain is rolled or flattened can be effectively reduced;
3. through the setting of leveling rod, kelly and fixing base, stretch the back to whole projection cloth, with the leveling rod of projection cloth bottom and the inboard spacing kelly looks block of fixing base to the realization carries out the block to spacing kelly and fixes, and fixed block mode is simple high-efficient, can promote the roughness of whole curtain, is favorable to reducing the phenomenon that causes the card to pause when the rolling or extend the curtain.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic top view of the splint according to the present invention;
FIG. 3 is a schematic top view of the fixing base of the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 5 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.
In the figure: 1. winding the roll; 2. an adjusting block; 3. a joining block; 4. a splint; 5. a connecting rod; 6. a nut; 7. a projection cloth; 8. a wind-up roll; 9. a drive belt; 10. a servo motor; 11. a fixing plate; 12. a slide rail; 13. aligning the marker post; 14. leveling the rods; 15. a limiting clamping rod; 16. a fixed seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-5, the present invention provides a technical solution: a projection screen with a winding function for higher education comprises a winding drum 1, an adjusting block 2, a connecting block 3, a clamping plate 4, a connecting rod 5, a nut 6, projection cloth 7, a winding drum 8, a transmission belt 9, a servo motor 10, a fixing plate 11, a slide rail 12, a benchmarking rod 13, a leveling rod 14, a limiting clamping rod 15 and a fixing seat 16, wherein the adjusting block 2 is arranged at the bottom of the winding drum 1, the connecting block 3 is arranged inside the adjusting block 2, the side of the connecting block 3 is connected with the clamping plate 4, the connecting rod 5 penetrates through the inner side of the clamping plate 4, the nut 6 is arranged at the end part of the connecting rod 5, the projection cloth 7 is arranged at the side of the adjusting block 2, the winding drum 8 is connected at the top of the projection cloth 7, the transmission belt 9 is connected at the end part of the winding drum 8, the servo motor 10 is arranged at the top of the transmission belt 9, the fixing plate 11 is arranged at, a slide rail 12 is arranged on the inner side of the fixed plate 11, a benchmarking rod 13 is arranged inside the slide rail 12, a leveling rod 14 is connected to the bottom end of the projection cloth 7, a limiting clamping rod 15 is arranged on the outer side of the leveling rod 14, and a fixed seat 16 is arranged on the outer side of the limiting clamping rod 15;
furthermore, the clamping plate 4 is in sliding connection with the adjusting block 2 through the connecting block 3, the adjusting block 2 is movably connected with the winding drum 1, the adjusting blocks 2 are symmetrically arranged about the central axis of the winding drum 1, the projector is well installed and fixed, the winding drum 1 is fixed according to the horizontal position, after the winding drum 1 is installed, a fixing seat 16 is fixedly installed at the position with the lowest extension distance of the leveling rod 14 and is fixed by using a screw, then, the adjusting block 2 can be moved by a user according to the thickness and the width of the projection cloth 7, the position of the adjusting block 2 is determined, the installation and the fixation of the device by the user are facilitated, and the use and the operation of the user are convenient;
furthermore, two clamping plates 4 are symmetrically arranged about the central axis of the adjusting block 2, the clamping plates 4 and the connecting rod 5 form a detachable structure through nuts 6, the central axes of the clamping plates 4 are parallel to the central axis of the projection cloth 7, a user can rotate the nuts 6 on the connecting rod 5, so that the position of the middle clamping plate 4 can be adjusted, meanwhile, the two clamping plates 4 can slide in the adjusting block 2 through the arrangement of the connecting block 3, the extended projection cloth 7 is limited, and the condition that the cloth is uneven and folded when the curtain is rolled or flattened can be effectively reduced;
furthermore, the winding roller 8 and the servo motor 10 form a chain transmission structure through the transmission belt 9, the winding roller 8 and the winding drum 1 form a rotary connection through a bearing embedded in the winding drum 1, and a user starts the servo motor 10 to drive the transmission belt 9 and the winding roller 8 to rotate, so that the projection cloth 7 is quickly wound, the automation degree of the device is improved, and the curtain is conveniently and quickly wound by the user;
furthermore, the benchmarking pole 13 and the fixing plate 11 form a sliding structure through the sliding rail 12, the central axis of the benchmarking pole 13 coincides with the central axis of the projection cloth 7, and a user can adjust the angle and calibrate the horizontal position of the projector through the benchmarking pole 13 on the inner side of the sliding rail 12 on the sliding fixing plate 11, so that the projection accuracy of the projection equipment can be effectively improved;
further, leveling rod 14 passes through spacing kelly 15 and 16 constitutes detachable construction of fixing base, and leveling rod 14's axis parallels with the axis of wind-up roll 8, after extending whole projection cloth 7, with the leveling rod 14 of 7 bottoms of projection cloth and the inboard spacing kelly 15 looks block of fixing base, thereby it is fixed to realize carrying out the block to leveling rod 14, fixed block mode is simple high-efficient, can promote the roughness of whole curtain, be favorable to reducing the phenomenon that causes the card to pause when rolling or extending the curtain.
The working principle is as follows: firstly, a user switches on a power supply of a servo motor 10, the model of the servo motor 10 is D180M-O250030C-E, the projector is well installed and fixed, the winding drum 1 is fixed according to the horizontal position, after the winding drum 1 is installed, the user fixedly installs a fixed seat 16 at the lowest extending distance of a leveling rod 14 and fixes the fixing seat by using a screw, then, the user can move an adjusting block 2 according to the thickness and the width of the projection cloth 7 and determine the position of the adjusting block 2, the user can rotate a nut 6 on a connecting rod 5, so that the position of a middle clamping plate 4 can be adjusted, meanwhile, the two clamping plates 4 can slide in the adjusting block 2 through the arrangement of a connecting block 3, so that the extended projection cloth 7 is limited;
next, the user can realize the angle adjustment and the horizontal position calibration of the projector through the sighting rod 13 of the slide rail 12 inboard on the sliding fixed plate 11, after extending the whole projection cloth 7, the leveling rod 14 at the bottom end of the projection cloth 7 is clamped with the limiting clamping rod 15 at the inboard of the fixed seat 16, so as to realize the clamping fixation of the leveling rod 14, finally, the user drives the transmission belt 9 and the winding roller 8 to rotate by starting the servo motor 10, so as to realize the rapid winding of the projection cloth 7, and the installation and the use of the whole projection screen are completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a projection screen for higher education with rolling function, includes take-up reel (1), projection cloth (7) and flattening pole (14), its characterized in that: the bottom of the winding drum (1) is provided with an adjusting block (2), the inside of the adjusting block (2) is provided with a connecting block (3), the side of the connecting block (3) is connected with a clamping plate (4), the inner side of the clamping plate (4) is penetrated by a connecting rod (5), the end part of the connecting rod (5) is provided with a nut (6), the projection cloth (7) is arranged on the side of the adjusting block (2), the top of the projection cloth (7) is connected with a winding roller (8), the end part of the winding roller (8) is connected with a transmission belt (9), the top of the transmission belt (9) is provided with a servo motor (10), the right side of the servo motor (10) is provided with a fixing plate (11), the inner side of the fixing plate (11) is provided with a sliding rail (12), the inside of the sliding rail (12) is provided with a benchmarking rod (13), the leveling rod (14) is connected with the bottom end of the projection cloth (, and the outer side of the leveling rod (14) is provided with a limiting clamping rod (15), and the outer side of the limiting clamping rod (15) is provided with a fixed seat (16).
2. The projection screen with rolling function for higher education as claimed in claim 1, wherein: the clamping plate (4) is in sliding connection with the adjusting block (2) through the connecting block (3), the adjusting block (2) is movably connected with the winding drum (1), and the adjusting block (2) is symmetrically provided with two adjusting blocks relative to the central axis of the winding drum (1).
3. The projection screen with rolling function for higher education as claimed in claim 1, wherein: splint (4) are provided with two about the axis symmetry of regulating block (2), and splint (4) and connecting rod (5) constitute detachable construction through nut (6) to the axis of splint (4) parallels with the axis of projection cloth (7).
4. The projection screen with rolling function for higher education as claimed in claim 1, wherein: the winding roller (8) and the servo motor (10) form a chain transmission structure through a transmission belt (9), and the winding roller (8) and the winding drum (1) form rotary connection through a bearing embedded in the winding drum (1).
5. The projection screen with rolling function for higher education as claimed in claim 1, wherein: the benchmarking pole (13) and the fixing plate (11) form a sliding structure through the sliding rail (12), and the central axis of the benchmarking pole (13) coincides with the central axis of the projection cloth (7).
6. The projection screen with rolling function for higher education as claimed in claim 1, wherein: the leveling rod (14) forms a detachable structure with the fixed seat (16) through the limiting clamping rod (15), and the central axis of the leveling rod (14) is parallel to the central axis of the winding roller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020152212.2U CN211348985U (en) | 2020-02-05 | 2020-02-05 | Higher education is with projection screen with rolling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020152212.2U CN211348985U (en) | 2020-02-05 | 2020-02-05 | Higher education is with projection screen with rolling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211348985U true CN211348985U (en) | 2020-08-25 |
Family
ID=72102551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020152212.2U Expired - Fee Related CN211348985U (en) | 2020-02-05 | 2020-02-05 | Higher education is with projection screen with rolling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211348985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023423A (en) * | 2020-09-11 | 2020-12-04 | 北京中科华视科技有限公司 | Self-guiding stretching electric curtain |
-
2020
- 2020-02-05 CN CN202020152212.2U patent/CN211348985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023423A (en) * | 2020-09-11 | 2020-12-04 | 北京中科华视科技有限公司 | Self-guiding stretching electric curtain |
| CN112023423B (en) * | 2020-09-11 | 2021-11-02 | 北京中科华视科技有限公司 | Self-guiding stretching electric curtain |
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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 |
Granted publication date: 20200825 Termination date: 20210205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |