Multimedia projection equipment

Abstract

The utility model relates to the technical field of multimedia equipment, and discloses multimedia projection equipment, which comprises a projector main body, the top of the projector main body is fixedly connected with a rack, and the rack is slidably connected to the inner wall of a fixed block. According to the multimedia projection equipment, the projector main body and the rack are cooperatively used, and the fixing block and the mounting block are utilized, so that when the rotating rod rotates, the first gear can be driven to rotate on the inner wall of the mounting block, and meanwhile, the outer wall of the first gear is engaged with the outer wall of the rack; a first gear can drive a rack to ascend and descend during rotation, so that the height of the projector body can be adjusted according to needs, meanwhile, when an adjusting rod is rotated, a third gear can drive an engaged second gear to rotate, and due to the fact that the bottom of the second gear is fixed to the top of a fixing block, the height of the projector body can be adjusted. And therefore, the angle of the fixed block can be conveniently adjusted when the second gear rotates.

Description

Technical Field

[0001] The utility model relates to the technical field of multimedia equipment, in particular to a multimedia projection device. Background Art

[0002] With the continuous development of science and technology, a projector, also known as a projector, is a device that projects or reflects images or videos onto a screen through digital light processing technology or LCD liquid crystal imaging technology.

[0003] An existing multimedia adjustable projection device can refer to the Chinese utility model patent with authorization announcement number CN217683971U, which discloses a multimedia adjustable projection device, "including a projector, a height adjustment structure, a connecting plate, a first servo motor, a first gear, a second gear, a screw, a slide plate, a rotating rod, a fixed rod, a horizontal adjustment structure and a fixed seat. The beneficial effects of the utility model are: a horizontal adjustment structure is provided on the connecting plate, and the first servo motor is started. The rotation of the first servo motor will drive the first gear to rotate, and the rotation of the first gear will drive the second gear and the screw to rotate. The rotation of the screw will thread-drive the slide plate to slide, so that the sliding of the slide plate will drive the rotating rod at the bottom to move, and then the rotating rod will drive the fixed rod on the fixed seat to rotate around the connecting plate, so that the vertical picture of the projector changes, and the horizontal projection picture of the projector is conveniently adjusted by using the horizontal adjustment structure, which is convenient for calibration. The projection height of the projector can be stably and conveniently adjusted through the self-locking of the screw, without the need to manually rotate the projector, which saves time and effort, and is stable and reliable."

[0004] When the above device is in use, it is convenient to calibrate by adjusting the horizontal projection screen of the projector. The projection height of the projector can be stably and conveniently adjusted through the self-locking of the screw rod. When the above device is in use, it is not convenient to adjust the height of the projector more conveniently. At the same time, after adjusting the height of the projection, its angle cannot be adjusted. For this reason, we propose a multimedia projection device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a multimedia projection device, which has the advantages of strong practicality, good stability, easy adjustment of the angle of the projector and easy heat dissipation of the projector, and solves the problem that traditional multimedia projection equipment is not convenient for adjusting the height of the projector more conveniently, and after the height of the projector is adjusted, its angle cannot be adjusted.

[0006] The utility model provides the following technical solution: a multimedia projection device, comprising a projector body, a rack fixedly connected to the top of the projector body, the rack slidably connected to the inner wall of a fixed block, a rectangular groove is opened on the side of the fixed block, the inner wall of the rectangular groove is fixedly connected to a mounting block, the inner wall of the mounting block is rotatably connected to a rotating rod, the outer wall of the rotating rod is fixedly connected to a first gear, and the outer wall of the first gear is meshed with a rack, a mounting top plate is provided on the top of the fixed block, the inner wall of the mounting top plate is rotatably connected to a second gear, and the bottom of the second gear is fixedly connected to the top of the fixed block, the outer wall of the second gear is meshed with a third gear, and the third gear is rotatably connected to the inner wall of the mounting top plate, the bottom of the third gear is fixedly connected to an adjusting rod, and the adjusting rod passes through the bottom of the mounting top plate.

[0007] As a preferred technical solution of the utility model, a mounting groove is provided at the bottom of the mounting top plate, and the mounting groove runs through the top of the mounting top plate. The number of the mounting grooves is four, and the four mounting grooves are evenly arranged at the bottom of the mounting top plate.

[0008] As a preferred technical solution of the utility model, heat dissipation grooves are provided on both sides of the projector body, and clamping devices are installed on both sides of the projector body.

[0009] As a preferred technical solution of the utility model, the clamping device includes a mounting plate, the inner wall of the mounting plate is provided with a heat sink, the side of the heat sink is fixedly connected with a heat absorbing plate, the other side of the heat absorbing plate is provided with a cooling fan, and the inner wall of the mounting plate is installed with a filter plate.

[0010] As a preferred technical solution of the utility model, the top of the mounting plate is fixedly connected with a fixing device, the inner wall of the fixing device is fixedly connected with a fixing rod, the outer wall of the fixing rod is provided with a spring, and the outer wall of the fixing rod is slidably connected with a clamping plate.

[0011] As a preferred technical solution of the utility model, the two ends of the spring are respectively installed on the top of the clamping plate and the inner wall of the fixing device, and the clamping plate is slidably connected to the inner wall of the fixing device.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The multimedia projection device uses a projector body and a rack in coordination with a fixed block and a mounting block, so that when the rotating rod is rotated, the first gear can be driven to rotate on the inner wall of the mounting block, and the outer wall of the first gear is meshed with the outer wall of the rack, so that the first gear can drive the rack to rise and fall when rotating, so as to adjust the height of the projector body as needed, and when the adjusting rod is rotated, the third gear can drive the meshed second gear to rotate, and since the bottom of the second gear is fixed to the top of the fixed block, the angle of the fixed block can be adjusted when the second gear rotates.

[0014] 2. The multimedia projection device, through the coordinated use of the mounting plate and the fixing device, can use a spring to push the clamping plate to slide along the outer wall of the fixing rod, so that the clamping plate can clamp the projector body, making it convenient to install the clamping device. At the same time, the heat sink installed on the inner wall of the mounting plate can dissipate the heat generated by the projector body, and then the heat absorbing plate can absorb the dissipated heat, so that the cooling fan can discharge the absorbed heat, so as to facilitate the heat dissipation of the projector body. At the same time, the installed filter plate can isolate the dust outside the device, thereby preventing dust from entering the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the local enlarged structure at A.

[0019] In the figure: 1. projector body; 2. rack; 3. fixing block; 4. rectangular groove; 5. mounting block; 6. rotating rod; 7. first gear; 8. mounting top plate; 9. second gear; 10. third gear; 11. adjusting rod; 12. mounting groove; 13. heat dissipation groove; 14. clamping device; 141. mounting plate; 142. heat sink; 143. heat absorbing plate; 144. heat dissipation fan; 145. filter plate; 146. fixing device; 147. fixing rod; 148. spring; 149. clamping plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 A multimedia projection device comprises a projector body 1, a rack 2 is fixedly connected to the top of the projector body 1, the rack 2 is slidably connected to the inner wall of the fixed block 3, a rectangular groove 4 is opened on the side of the fixed block 3, a mounting block 5 is fixedly connected to the inner wall of the rectangular groove 4, a rotating rod 6 is rotatably connected to the inner wall of the mounting block 5, a first gear 7 is fixedly connected to the outer wall of the rotating rod 6, and the rack 2 is meshed with the outer wall of the first gear 7, a mounting top plate 8 is provided on the top of the fixed block 3, a second gear 9 is rotatably connected to the inner wall of the mounting top plate 8, and the bottom of the second gear 9 is fixedly connected to the top of the fixed block 3, a third gear 10 is meshed with the outer wall of the second gear 9, and the third gear 10 is rotatably connected to the inner wall of the mounting top plate 8, an adjusting rod 11 is fixedly connected to the bottom of the third gear 10, and the adjusting rod 11 passes through the bottom of the mounting top plate 8, when the projector body 1 is used, projection can be performed. The rack 2 welded on the top of the projector body 1 can be slidably connected to the inner wall of the fixed block 3, and the mounting block 5 can be installed on the inner wall of the rectangular groove 4 on the side of the fixed block 3, so that it is convenient to rotate the rotating rod 6 to drive the first gear 7 to rotate. Since the outer wall of the first gear 7 is meshed with the outer wall of the rack 2, the first gear 7 can drive the rack 2 to rise and fall, so as to facilitate the height adjustment of the projector body 1. The mounting top plate 8 installed on the top of the fixed block 3 enables the mounting top plate 8 to install the device. At the same time, the second gear 9 can be rotatably connected to the inner wall of the mounting top plate 8, so that the bottom of the second gear 9 can be welded to the top of the fixed block 3, so as to facilitate the rotation of the adjusting rod 11 so that the third gear 10 drives the second gear 9 to rotate, so that the second gear 9 can adjust the angle of the fixed block 3, thereby facilitating the use of the device.

[0022] A mounting groove 12 is provided at the bottom of the mounting top plate 8, and the mounting groove 12 passes through the top of the mounting top plate 8. There are four mounting grooves 12, and the four mounting grooves 12 are evenly provided at the bottom of the mounting top plate 8. The mounting groove 12 provided at the bottom of the mounting top plate 8 enables the mounting top plate 8 to be installed using bolts, thereby facilitating the fixation of the device.

[0023] Heat dissipation grooves 13 are provided on both sides of the projector body 1 , and clamping devices 14 are installed on both sides of the projector body 1 . The heat dissipation grooves 13 provided on both sides can dissipate heat from the device, thereby preventing components inside the device from being damaged.

[0024] The clamping device 14 includes a mounting plate 141, the inner wall of which is provided with a heat sink 142, a heat absorbing plate 143 being fixedly connected to the side of the heat sink 142, a heat dissipation fan 144 being provided on the other side of the heat absorbing plate 143, and a filter plate 145 being installed on the inner wall of the mounting plate 141. The heat sink 142 installed on the inner wall of the mounting plate 141 can dissipate the heat emitted by the projector body 1, so that the heat absorbing plate 143 can be used to absorb the heat, and the heat dissipation fan 144 can be used to extract the heat, thereby facilitating the use of the device. At the same time, the installed filter plate 145 can prevent dust from entering the interior of the device.

[0025] The top of the mounting plate 141 is fixedly connected with a fixing device 146, the inner wall of the fixing device 146 is fixedly connected with a fixing rod 147, the outer wall of the fixing rod 147 is provided with a spring 148, the outer wall of the fixing rod 147 is slidably connected with a clamping plate 149, when the fixing rod 147 is installed, the spring 148 can push the clamping plate 149 to slide along the outer wall of the fixing rod 147, so that the clamping device 14 can be installed on the side of the projector body 1.

[0026] Working principle: during operation, the mounting groove 12 opened at the bottom of the mounting top plate 8 can be used to fix the position of the mounting top plate 8 with bolts, and the adjusting rod 11 can be manually rotated, so that the third gear 10 can drive the second gear 9 to rotate on the inner wall of the mounting top plate 8. Since the bottom of the second gear 9 is fixedly connected to the top of the fixing block 3, the second gear 9 can adjust the angle of the fixing block 3 when it rotates. When adjusting the height of the projector body 1, the rotating rod 6 can be rotated, so that the rotating rod 6 drives the first gear 7 to rotate, so that the first gear 7 can drive the rack 2 to rise and fall on the inner wall of the fixing block 3 when it rotates, so that the projector body 1 can be adjusted. The height can be adjusted. When the projector body 1 needs to be cooled, the fixing device 146 welded on the top of the mounting plate 141 can be used, so that the spring 148 can push the clamping plate 149 to slide along the outer wall of the fixing rod 147, so as to facilitate the clamping device 14 to be clamped on the side of the projector body 1. At the same time, the heat sink 142 installed on the inner wall of the mounting plate 141 can dissipate the heat of the projector body 1, and the heat absorbing plate 143 installed on the side of the heat sink 142 can absorb the dissipated heat, so as to use the cooling fan 144 to discharge the heat. At the same time, the installed filter plate 145 can prevent dust from entering the interior of the device, thereby affecting the use of the device.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multimedia projection device, comprising a projector body (1), characterized in that: The top of the projector body (1) is fixedly connected with a rack (2), the rack (2) is slidably connected to the inner wall of a fixed block (3), a rectangular groove (4) is provided on the side of the fixed block (3), the inner wall of the rectangular groove (4) is fixedly connected with a mounting block (5), the inner wall of the mounting block (5) is rotatably connected with a rotating rod (6), the outer wall of the rotating rod (6) is fixedly connected with a first gear (7), and the outer wall of the first gear (7) is meshed with the rack (2), the fixed block A mounting top plate (8) is provided on the top of the mounting top plate (3); the inner wall of the mounting top plate (8) is rotatably connected to a second gear (9), and the bottom of the second gear (9) is fixedly connected to the top of the fixing block (3); the outer wall of the second gear (9) is meshed with a third gear (10), and the third gear (10) is rotatably connected to the inner wall of the mounting top plate (8); the bottom of the third gear (10) is fixedly connected to an adjusting rod (11), and the adjusting rod (11) passes through the bottom of the mounting top plate (8).

2. A multimedia projection device according to claim 1, characterized in that: The bottom of the mounting top plate (8) is provided with a mounting groove (12), and the mounting groove (12) runs through the top of the mounting top plate (8). The number of the mounting grooves (12) is four, and the four mounting grooves (12) are evenly arranged at the bottom of the mounting top plate (8).

3. A multimedia projection device according to claim 1, characterized in that: Heat dissipation grooves (13) are provided on both sides of the projector body (1), and clamping devices (14) are installed on both sides of the projector body (1).

4. A multimedia projection device according to claim 3, characterized in that: The clamping device (14) comprises a mounting plate (141), the inner wall of the mounting plate (141) is provided with a heat sink (142), the side of the heat sink (142) is fixedly connected with a heat absorbing plate (143), the other side of the heat absorbing plate (143) is provided with a heat dissipation fan (144), and the inner wall of the mounting plate (141) is provided with a filter plate (145).

5. A multimedia projection device according to claim 4, characterized in that: The top of the mounting plate (141) is fixedly connected with a fixing device (146), the inner wall of the fixing device (146) is fixedly connected with a fixing rod (147), the outer wall of the fixing rod (147) is provided with a spring (148), and the outer wall of the fixing rod (147) is slidably connected with a clamping plate (149).

6. A multimedia projection device according to claim 5, characterized in that: The two ends of the spring (148) are respectively mounted on the top of the clamping plate (149) and the inner wall of the fixing device (146), and the clamping plate (149) is slidably connected to the inner wall of the fixing device (146).

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