CN220962119U - Cross ground draws projection screen - Google Patents
Cross ground draws projection screen Download PDFInfo
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- CN220962119U CN220962119U CN202322466417.4U CN202322466417U CN220962119U CN 220962119 U CN220962119 U CN 220962119U CN 202322466417 U CN202322466417 U CN 202322466417U CN 220962119 U CN220962119 U CN 220962119U
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- projection screen
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- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims description 35
- 239000004744 fabric Substances 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- 229910052709 silver Inorganic materials 0.000 description 8
- 239000004332 silver Substances 0.000 description 8
- 238000005457 optimization Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000981 bystander Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model discloses a cross type ground-pulling projection screen, which comprises a screen mechanism and a supporting mechanism, wherein the supporting mechanism is fixedly connected to the bottom of the inner wall of the screen mechanism, the driving mechanism is fixedly connected to the inside of the supporting mechanism, the screen mechanism comprises a screen storage box, a projection screen is arranged in the screen storage box, the top of the projection screen is fixedly connected with a supporting bar, both sides of the bottom of the screen storage box are fixedly connected with supporting blocks, the supporting mechanism comprises a fixing frame, the bottom of the fixing frame is fixedly connected with the bottom of the inner wall of the screen storage box, and the top of the inner wall of the fixing frame is fixedly connected with a connecting disc. The utility model increases the functionality of automatically rotating the angle of the projection screen, so that the angle of the projection screen can be quickly and automatically adjusted remotely, and the condition that a user needs to manually adjust the angle when using the angle is prevented.
Description
Technical Field
The utility model relates to the technical field of projection screens, in particular to a cross-type pull projection screen.
Background
The cross-type ground-pulling projection screen is widely applied to meeting rooms, exhibition halls, concert halls, entertainment places and other occasions, presents a high-quality large-screen projection effect for spectators, and is easy to install and operate: the screen is generally in a ground pulling structure, is convenient and rapid to lift and store, is suitable for occasions requiring frequent use or movement, and can be controlled to be unfolded and folded by a remote controller or a switch.
The patent numbers published according to the Chinese patent network are: the utility model relates to the technical field of projection screens, in particular to an electric cross type ground-pulling projection screen, which comprises a fixed box, wherein the inside of the fixed box is connected with a screen through a lifting mechanism, the bottom end of the fixed box is provided with a groove, the left side of the top end and the right side of the top end of the groove are respectively provided with two rotating grooves, the inside of the two rotating grooves are respectively rotationally connected with a rotating block, the bottom ends of the rotating blocks are respectively connected with a connecting seat, telescopic legs are rotationally connected onto the connecting seats, the side ends of the telescopic legs are provided with first convex grooves, the inside of each first convex groove is slidably provided with a first convex block, one end of each first convex block, which is far away from the connecting seat, is connected with a compression spring, the side end of each first convex block is fixedly connected with a push plate, one end of each push plate, which is close to the connecting seat, is fixedly connected with a clamping column, and the side ends of the connecting seat are uniformly provided with a plurality of clamping grooves; the projection screen is convenient to support at a corresponding height, convenient to fold, portable and convenient to use in various occasions.
The floor-pulling type projection screen is needed when the conference room and the exhibition hall perform exhibition work, but most floor-pulling type projection screens on the market are fixed, so that the floor-pulling type projection screen needs manual adjustment by a user when the angle is adjusted, time and labor are wasted, the floor-pulling type projection screen cannot be quickly adjusted to an accurate position, the floor-pulling type projection screen needs the assistance of bystanders, and convenience cannot be brought to the user.
Therefore, the design improvement of the ground-pulling projection screen is needed, and the phenomenon that a user needs to manually adjust the ground-pulling projection screen when the angle is adjusted is effectively prevented.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model aims to provide a cross-type ground-pulling projection screen, which has the advantage of automatically and remotely controlling and adjusting the angle of the ground-pulling projection screen, and solves the problem that a user needs to manually adjust when using the angle.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a cross-draw projection screen comprising:
A screen cloth mechanism;
The supporting mechanism is fixedly connected to the bottom of the inner wall of the screen cloth mechanism;
the transmission mechanism is fixedly connected inside the supporting mechanism;
The screen cloth mechanism comprises a screen storage box, a projection screen is arranged in the screen storage box, a supporting bar is fixedly connected to the top of the projection screen, and supporting blocks are fixedly connected to two sides of the bottom of the screen storage box.
As the preferable mode of the utility model, the supporting mechanism comprises a fixed frame, the bottom of the fixed frame is fixedly connected with the bottom of the inner wall of the screen storage box, the top of the inner wall of the fixed frame is fixedly connected with a connecting disc, the bottom of the connecting disc is provided with a transmission box, the bottom of the transmission box is fixedly connected with a supporting column, and the bottom of the supporting column penetrates through the bottom of the screen storage box and is fixedly connected with a supporting base.
As the preferable mode of the utility model, the transmission mechanism comprises a motor, the motor is fixedly connected to the bottom of the inner wall of the transmission box, the output end of the motor is fixedly connected with a worm, the right side of the worm is movably connected with the right side of the inner wall of the transmission box through a bearing, the back surface of the worm is meshed with a worm wheel, the inside of the worm wheel is fixedly connected with a supporting rod, the top and the bottom of the supporting rod are movably connected with the inner wall of the transmission box through bearings, the surface of the supporting rod is fixedly connected with a first gear, the left side of the first gear is meshed with a second gear, the inside of the second gear is fixedly connected with a rotating rod, the bottom of the rotating rod is movably connected with the bottom of the inner wall of the transmission box through a bearing, and the top of the rotating rod is fixedly connected with the bottom of the connecting disc.
As preferable in the utility model, the top of the motor is fixedly connected with a fixed plate, and the left side of the fixed plate is fixedly connected with the left side of the inner wall of the transmission case.
Preferably, the surface of the worm is sleeved with a supporting sleeve, and the bottom of the supporting sleeve is fixedly connected with the bottom of the inner wall of the transmission case.
As the preferable mode of the utility model, the bottom of the supporting block is fixedly connected with a friction pad, and the friction pad is matched with the supporting block for use.
Compared with the prior art, the utility model has the following beneficial effects:
1. The utility model increases the functionality of automatically rotating the angle of the projection screen, so that the angle of the projection screen can be quickly and automatically adjusted remotely, and the condition that a user needs to manually adjust the angle when using the angle is prevented.
2. The screen storage box can be supported in an auxiliary mode through the arrangement of the supporting mechanism, and the screen storage box can stably rotate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the screen storage box of the present utility model;
FIG. 3 is a cross-sectional view of the support mechanism of the present utility model;
Fig. 4 is a cross-sectional view of the transmission mechanism of the present utility model.
In the figure: 1. a screen cloth mechanism; 11. a screen storage box; 12. projecting a silver curtain; 13. a support bar; 14. a support block; 2. a support mechanism; 21. a fixing frame; 22. a connecting disc; 23. a transmission case; 24. a support column; 25. a support base; 3. a transmission mechanism; 31. a motor; 32. a worm; 33. a worm wheel; 34. a support rod; 35. a first gear; 36. a second gear; 37. a rotating rod; 4. a fixing plate; 5. a support sleeve; 6. friction pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, the cross-type drag projection screen provided by the present utility model includes:
A silver curtain mechanism 1;
the supporting mechanism 2 is fixedly connected to the bottom of the inner wall of the screen cloth mechanism 1;
the transmission mechanism 3 is fixedly connected inside the supporting mechanism 2;
The silver curtain mechanism 1 comprises a silver curtain storage box 11, a projection silver curtain 12 is arranged in the silver curtain storage box 11, a supporting bar 13 is fixedly connected to the top of the projection silver curtain 12, and supporting blocks 14 are fixedly connected to two sides of the bottom of the silver curtain storage box 11.
Referring to fig. 3, the supporting mechanism 2 includes a fixing frame 21, the bottom of the fixing frame 21 is fixedly connected with the bottom of the inner wall of the screen storage box 11, a connecting disc 22 is fixedly connected with the top of the inner wall of the fixing frame 21, a transmission case 23 is arranged at the bottom of the connecting disc 22, a supporting column 24 is fixedly connected with the bottom of the transmission case 23, and the bottom of the supporting column 24 penetrates through to the bottom of the screen storage box 11 and is fixedly connected with a supporting base 25.
As a technical optimization scheme of the present utility model, the screen storage box 11 can be supported in an auxiliary manner by the arrangement of the supporting mechanism 2, and can be rotated stably.
Referring to fig. 4, the transmission mechanism 3 includes a motor 31, the bottom at the inner wall of the transmission case 23 is fixedly connected with the motor 31, the output fixedly connected with worm 32 of motor 31, the right side of worm 32 passes through the right side swing joint of bearing and inner wall of transmission case 23, the back meshing of worm 32 has worm wheel 33, the inside fixedly connected with bracing piece 34 of worm wheel 33, the top and the bottom of bracing piece 34 are all through the swing joint of bearing and inner wall of transmission case 23, the fixed surface of bracing piece 34 is connected with first gear 35, the left side meshing of first gear 35 has second gear 36, the inside fixedly connected with bull stick 37 of second gear 36, the bottom of bull stick 37 passes through the bottom swing joint of bearing and inner wall of transmission case 23, the top of bull stick 37 and the bottom fixed connection of connection pad 22.
As a technical optimization scheme of the utility model, the transmission mechanism 3 has the function of driving the screen storage box 11 to rotate at an angle, so that the working efficiency of the screen storage box 11 is improved.
Referring to fig. 4, a fixing plate 4 is fixedly connected to the top of the motor 31, and the left side of the fixing plate 4 is fixedly connected to the left side of the inner wall of the transmission case 23.
As a technical optimization scheme of the utility model, the motor 31 can be supported in an auxiliary way through the arrangement of the fixing plate 4, so that the motor 31 is prevented from being unstable in single-point support and shaking is avoided during working.
Referring to fig. 4, a supporting sleeve 5 is sleeved on the surface of the worm 32, and the bottom of the supporting sleeve 5 is fixedly connected with the bottom of the inner wall of the transmission case 23.
As a technical optimization scheme of the utility model, the worm 32 can be supported in an auxiliary way through the arrangement of the supporting sleeve 5, so that the stability of the worm 32 is improved.
Referring to fig. 2, a friction pad 6 is fixedly connected to the bottom of the supporting block 14, and the friction pad 6 is used in cooperation with the supporting block 14.
As a technical optimization scheme of the utility model, the friction force of the supporting block 14 can be effectively increased and the service life of the supporting block 14 can be prolonged through the arrangement of the friction pad 6.
The working principle and the using flow of the utility model are as follows: when the screen storage box is used, firstly, a user starts the motor 31, the motor 31 drives the worm 32 to rotate through the output end, the worm 32 is meshed with the worm wheel 33 to drive the worm wheel 33 to rotate, the worm wheel 33 drives the supporting rod 34 to rotate, the supporting rod 34 drives the first gear 35 to rotate, the first gear 35 is meshed with the second gear 36 to drive the second gear 36 to rotate, the second gear 36 drives the rotating rod 37 to rotate, the rotating rod 37 is connected with the connecting disc 22 to drive the connecting disc 22 to rotate, the connecting disc 22 drives the fixing frame 21 to rotate, the fixing frame 21 drives the screen storage box 11 to rotate, the screen storage box 11 is assisted to rotate through the supporting block 14, and the screen storage box 11 is enabled to stably drive the projection screen 12 to rotate at an automatic rotation angle.
To sum up: this cross formula ground draws projection screen through increasing the functionality of autogiration projection screen angle, makes it possess the effect of carrying out quick automatic remote adjustment to the angle of projection screen, prevents to need the condition of user's manual regulation to take place when using angle regulation, has solved the problem that needs the user to carry out manual regulation when using angle regulation.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A cross-draw projection screen comprising:
a screen mechanism (1);
the support mechanism (2) is fixedly connected to the bottom of the inner wall of the screen cloth mechanism (1);
the transmission mechanism (3), the said transmission mechanism (3) is fixedly connected to the inside of the supporting mechanism (2);
The screen cloth mechanism (1) comprises a screen storage box (11), a projection screen (12) is arranged in the screen storage box (11), a supporting bar (13) is fixedly connected to the top of the projection screen (12), and supporting blocks (14) are fixedly connected to two sides of the bottom of the screen storage box (11).
2. The cross-draw projection screen of claim 1, wherein: the supporting mechanism (2) comprises a fixing frame (21), the bottom of the fixing frame (21) is fixedly connected with the bottom of the inner wall of the screen storage box (11), a connecting disc (22) is fixedly connected to the top of the inner wall of the fixing frame (21), a transmission box (23) is arranged at the bottom of the connecting disc (22), a supporting column (24) is fixedly connected to the bottom of the transmission box (23), and a supporting base (25) is fixedly connected to the bottom of the screen storage box (11) in a penetrating mode.
3. The cross-draw projection screen of claim 2, wherein: the transmission mechanism (3) comprises a motor (31), the bottom of motor (31) fixed connection at transmission case (23) inner wall, the output fixedly connected with worm (32) of motor (31), the right side of worm (32) passes through right side swing joint of bearing and transmission case (23) inner wall, the back meshing of worm (32) has worm wheel (33), the inside fixedly connected with bracing piece (34) of worm wheel (33), the top and the bottom of bracing piece (34) are all through the swing joint of bearing and transmission case (23) inner wall, the fixed surface of bracing piece (34) is connected with first gear (35), the left side meshing of first gear (35) has second gear (36), the inside fixedly connected with bull stick (37) of second gear (36), the bottom of bull stick (37) passes through the bottom swing joint of bearing and transmission case (23) inner wall, the top of bull stick (37) and the bottom fixed connection of connection dish (22).
4. A cross-draw projection screen as in claim 3 wherein: the top fixedly connected with fixed plate (4) of motor (31), the left side of fixed plate (4) and the left side fixed connection of transmission case (23) inner wall.
5. A cross-draw projection screen as in claim 3 wherein: the surface of the worm (32) is sleeved with a supporting sleeve (5), and the bottom of the supporting sleeve (5) is fixedly connected with the bottom of the inner wall of the transmission case (23).
6. The cross-draw projection screen of claim 1, wherein: the bottom of the supporting block (14) is fixedly connected with a friction pad (6), and the friction pad (6) is matched with the supporting block (14) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322466417.4U CN220962119U (en) | 2023-09-12 | 2023-09-12 | Cross ground draws projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322466417.4U CN220962119U (en) | 2023-09-12 | 2023-09-12 | Cross ground draws projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962119U true CN220962119U (en) | 2024-05-14 |
Family
ID=90976887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322466417.4U Active CN220962119U (en) | 2023-09-12 | 2023-09-12 | Cross ground draws projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220962119U (en) |
-
2023
- 2023-09-12 CN CN202322466417.4U patent/CN220962119U/en active Active
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| GR01 | Patent grant |