CN215411285U

CN215411285U - But wisdom classroom is with projection arrangement of quick adjustment height

Info

Publication number: CN215411285U
Application number: CN202121887024.5U
Authority: CN
Inventors: 姚杰; 顾英姿; 陈红斌; 吕建华
Original assignee: Zhejiang Ruiyou Technology Co ltd
Current assignee: Zhejiang Ruiyou Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-04
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a projection device capable of quickly adjusting height for an intelligent classroom, which relates to the technical field of projection devices and comprises a mounting plate, wherein a projector is arranged in the middle of the upper surface of the mounting plate, an annular block is fixedly connected in the middle of the lower surface of the mounting plate, an L-shaped rod is movably connected to one side in the annular block through a bearing, a square groove is formed in one end of the L-shaped rod, a square block is connected in the square groove in an inserting mode, and a movable block is fixedly connected to one end of the square block. According to the utility model, the annular block and the L-shaped rod are arranged, the square block is inserted and connected in the square groove formed in one end of the L-shaped rod, the movable block is fixedly connected to one end of the square block, the position limitation between the L-shaped rod and the annular plate is relieved by adjusting the position of the movable block, and then the angle between the L-shaped rod and the mounting plate can be adjusted, so that the positioning plate can be mounted on a ceiling, a wall, a ground and the like according to the actual environment, and the adaptability of the device is improved.

Description

But wisdom classroom is with projection arrangement of quick adjustment height

Technical Field

The utility model relates to the technical field of projection devices, in particular to a projection device capable of quickly adjusting height for a smart classroom.

Background

At present, the projector is widely applied to teaching, large-scale meetings and various occasions, and replaces a blackboard teaching mode, so that the time for writing can be saved, and the teaching content is more abundant.

However, current projecting apparatus can only be fixed on the ceiling when the installation, can't carry out the adaptability installation according to the installation environment in the different classrooms, and the limitation is stronger, and moreover, along with the increase of live time, the dust that drops on the ceiling can get into inside the projecting apparatus, has caused certain influence to projecting apparatus's use. Therefore, it is necessary to provide a projection device with a height that can be adjusted quickly for a smart classroom to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a projection device capable of quickly adjusting height for a smart classroom, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a projection device capable of quickly adjusting height for a smart classroom comprises a mounting plate, wherein a projector is arranged in the middle of the upper surface of the mounting plate, an annular block is fixedly connected in the middle of the lower surface of the mounting plate, an L-shaped rod is movably connected to one side inside the annular block through a bearing, a square groove is formed in one end of the L-shaped rod, a square block is inserted and connected in the square groove, a movable block is fixedly connected to one end of the square block, one side of the movable block is movably connected with the L-shaped rod through a spring, a plurality of limiting grooves distributed in an equidistant annular array are formed in the inner side of the annular block, a plurality of limiting blocks matched with the limiting grooves are fixedly connected to the outer side of the movable block, dovetail sliding grooves are formed in both ends of the upper surface of the mounting plate, dust covers are arranged on both sides of the upper surface of the mounting plate and are matched with the projector, the dovetail slide block fixedly connected with the bottom end of the dust cover is positioned in the dovetail sliding groove.

Preferably, the dust cover is provided with two, the middle part of one side of the top end of one dust cover is movably connected with a movable plate through a pin shaft, one end of the lower surface of the movable plate is fixedly connected with a clamping block, and the middle part of one side of the top end of the other dust cover is provided with a clamping groove matched with the clamping block.

Preferably, one side of the dust cover is provided with a plurality of radiating grooves distributed in an equidistant linear array, and the top ends of the notches of the radiating grooves are fixedly connected with inclined baffles.

Preferably, the lower surface of the mounting plate is provided with a plurality of inclined through grooves, and the inclined through grooves are distributed in an equidistant linear array.

Preferably, the outer side of the other end of the L-shaped rod is connected with a sleeve in a sleeved mode, a plurality of positioning holes which are distributed in an equidistant linear array mode are formed in the L-shaped rod, and positioning rods matched with the positioning holes are connected in an inserted mode through holes formed in the bottom end of the sleeve.

Preferably, the top end of the sleeve is fixedly connected with a positioning plate, the middle of one side of the dust cover is provided with a groove matched with the projector lens, and a rubber pad is connected in the groove in an adhering mode.

The utility model has the technical effects and advantages that:

1. according to the utility model, the annular block and the L-shaped rod are arranged, the square block is inserted and connected in the square groove formed in one end of the L-shaped rod, the movable block is fixedly connected to one end of the square block, the limiting block arranged on the outer side of the movable block is matched with the limiting groove formed in the inner side of the annular block, so that the position between the L-shaped rod and the annular plate is fixed, the limiting between the L-shaped rod and the annular plate is released by adjusting the position of the movable block, and the angle between the L-shaped rod and the mounting plate can be adjusted, so that the positioning plate can be mounted on a ceiling, a wall, a ground and other positions according to the actual environment, and the adaptability of the device is improved;

2. according to the utility model, the dust cover is arranged, so that dust can be prevented from entering the projector, meanwhile, the dust cover can also play a role in protecting the projector, the heat generated during the operation of the projector can be timely discharged by arranging the heat dissipation grooves on the two sides of the dust cover, and the dust and sundries can be prevented from entering the dust cover from the side surface of the dust cover by arranging the inclined baffle.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the overall structure of the present invention.

Fig. 3 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 4 is an enlarged view of the structure at a in fig. 3 according to the present invention.

In the figure: 1. mounting a plate; 2. a projector; 3. a ring block; 4. an L-shaped rod; 5. a square groove; 6. a square block; 7. a movable block; 8. a limiting groove; 9. a limiting block; 10. a dovetail chute; 11. a dust cover; 12. a movable plate; 13. a clamping block; 14. a card slot; 15. a heat sink; 16. an inclined baffle plate; 17. an inclined through groove; 18. a sleeve; 19. positioning holes; 20. positioning a rod; 21. positioning a plate; 22. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The utility model provides a projection device capable of quickly adjusting height for an intelligent classroom, which is shown in figures 1-4 and comprises a mounting plate 1, wherein a projector 2 is arranged in the middle of the upper surface of the mounting plate 1, an annular block 3 is fixedly connected in the middle of the lower surface of the mounting plate 1, one side inside the annular block 3 is movably connected with an L-shaped rod 4 through a bearing, one end of the L-shaped rod 4 is provided with a square groove 5, the square groove 5 is connected with a square block 6 in an inserting way, the square groove 5 is matched with the square block 6, so that the L-shaped rod 4 and the movable block 7 keep synchronous rotation, one end of the square block 6 is fixedly connected with a movable block 7, one side of the movable block 7 is movably connected with the L-shaped rod 4 through a spring, the inner side of the annular block 3 is provided with a plurality of limit grooves 8 which are distributed in an equally-spaced annular array, the outer side of the movable block 7 is fixedly connected with a plurality of limit blocks 9 which are matched with the limit grooves 8, stopper 9 and spacing groove 8 cooperation, make position between movable block 7 and the annular piece 3 fixed, dovetail groove 10 has all been seted up at the upper surface both ends of mounting panel 1, the upper surface both sides of mounting panel 1 all are provided with dust cover 11,

dust cover

11 and 2 looks adaptations of projecting apparatus, dust cover 11 set up can avoid the dust to get into in projecting apparatus 2 on the one hand, on the other hand can play the guard action to projecting

apparatus

2, 11 bottom fixed connection's of dust cover forked tail slider is located dovetail groove 10, dovetail groove 10 and forked tail slider cooperation, make dust cover 11 only can be at 1 upper surface horizontal slip of mounting panel.

The dustproof cover 11 is provided with two dustproof covers, the middle part of one side of the top end of one dustproof cover 11 is movably connected with a movable plate 12 through a pin shaft, one end of the lower surface of the movable plate 12 is fixedly connected with a clamping block 13, the middle part of one side of the top end of the other dustproof cover 11 is provided with a clamping groove 14 matched with the clamping block 13, one side of the dustproof cover 11 is provided with a plurality of radiating grooves 15 distributed in an equidistant linear array, the top end of the notch of each radiating groove 15 is fixedly connected with an inclined baffle 16, the inclined baffle 16 is arranged to prevent dust from entering the dustproof cover 11 from the side surface of the dustproof cover 11, the lower surface of the mounting plate 1 is provided with a plurality of inclined through grooves 17, the radiating grooves 15 are matched with the inclined through grooves 17, so that heat generated in the working process of the projector 2 can be timely discharged, the plurality of inclined through grooves 17 are distributed in an equidistant linear array, and the outer side of the other end of the L-shaped rod 4 is connected with a sleeve 18 in a sleeved mode, set up a plurality of locating holes 19 that are equidistant linear array and distribute on L type pole 4, the through-hole interpolation connection that the bottom of sleeve pipe 18 was seted up has the locating lever 20 with locating hole 19 looks adaptation, locating lever 20 and locating hole 19 cooperation, make the position between sleeve pipe 18 and the L type pole 4 fixed, pull out locating lever 20 and can adjust the position between L type pole 4 and the sleeve pipe 18, and then can adjust the height of projecting apparatus 2, the top fixedly connected with locating plate 21 of sleeve pipe 18, locating plate 21 can be fixed at the ceiling, wall or subaerial, the recess 22 with 2 camera lens looks adaptations of projecting apparatus is seted up at one side middle part of dust cover 11, the bonding connection has the rubber pad in the recess 22, the setting of rubber pad can avoid the lateral wall of recess 22 to scrape the camera lens of projecting apparatus 2 colored.

The working principle of the utility model is as follows:

when the device is installed, firstly, a positioning plate 21 is fixed on a ceiling, a wall or the ground according to the available space in a classroom, an L-shaped rod 4 is inserted into a sleeve 18, the position between the L-shaped rod 4 and the sleeve 18 is fixed through a positioning rod 20 and a positioning hole 19, a movable block 7 is pulled, the movable block 7 drives a limiting block 9 to move until the limiting block 9 is separated from a limiting groove 8, the limiting between the movable block 7 and a ring block 3 is released, the limiting between the L-shaped rod 4 and the ring block 3 is released, the ring block 3 rotates, the ring block 3 drives a mounting plate 1 to rotate until the mounting plate 1 is kept horizontal with the ground, the movable block 7 is released, the movable block 7 is reset under the action of a spring, the limiting block 9 is inserted into the limiting groove 8, the position between the mounting plate 1 and the L-shaped rod 4 is fixed, a projector 2 is placed on the upper surface of the mounting plate 1, a dust cover 11 is pulled, the two dust covers 11 are spliced with each other, the movable plate 12 is pulled, the movable plate 12 rotates around the pin shaft until the clamping block 13 arranged at one end of the movable plate 12 is inserted into the clamping groove 14, and at this time, the device is installed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a but wisdom classroom is with projection arrangement of quick adjustment height, includes mounting panel (1), its characterized in that: the projector is arranged in the middle of the upper surface of the mounting plate (1), an annular block (3) is fixedly connected to the middle of the lower surface of the mounting plate (1), an L-shaped rod (4) is movably connected to one side of the inside of the annular block (3) through a bearing, a square groove (5) is formed in one end of the L-shaped rod (4), a square block (6) is connected in the square groove (5) in an inserting mode, a movable block (7) is fixedly connected to one end of the square block (6), one side of the movable block (7) is movably connected with the L-shaped rod (4) through a spring, a plurality of limiting grooves (8) distributed in an equidistant annular array mode are formed in the inner side of the annular block (3), a plurality of limiting blocks (9) matched with the limiting grooves (8) are fixedly connected to the outer side of the movable block (7), dovetail sliding grooves (10) are formed in both ends of the upper surface of the mounting plate (1), the upper surface both sides of mounting panel (1) all are provided with dust cover (11), dust cover (11) and projecting apparatus (2) looks adaptation, dust cover (11) bottom fixed connection's forked tail slider is located forked tail spout (10).

2. The projection device with the height capable of being adjusted rapidly for the smart classroom as claimed in claim 1, wherein: the dustproof cover is characterized in that two dustproof covers (11) are arranged, one movable plate (12) is movably connected to the middle of one side of the top end of each dustproof cover (11) through a pin shaft, one clamping block (13) is fixedly connected to one end of the lower surface of each movable plate (12), and one clamping groove (14) matched with the clamping block (13) is formed in the middle of one side of the top end of each dustproof cover (11).

3. The projection device with the height capable of being adjusted rapidly for the smart classroom as claimed in claim 2, wherein: a plurality of radiating grooves (15) which are distributed in an equidistant linear array are formed in one side of the dust cover (11), and inclined baffles (16) are fixedly connected to the top ends of the notches of the radiating grooves (15).

4. The projection device with the height capable of being adjusted rapidly for the smart classroom as claimed in claim 3, wherein: a plurality of slope logical grooves (17) have been seted up to the lower surface of mounting panel (1), and is a plurality of slope logical groove (17) are equidistant linear array and distribute.

5. The projection device with the height capable of being adjusted rapidly for the smart classroom as claimed in claim 4, wherein: the outer side of the other end of the L-shaped rod (4) is connected with a sleeve (18) in a sleeved mode, a plurality of positioning holes (19) distributed in an equidistant linear array mode are formed in the L-shaped rod (4), and positioning rods (20) matched with the positioning holes (19) are connected in an inserted mode in through holes formed in the bottom end of the sleeve (18).

6. The projection device with the height capable of being adjusted rapidly for the smart classroom as claimed in claim 5, wherein: the top end of the sleeve (18) is fixedly connected with a positioning plate (21), the middle of one side of the dust cover (11) is provided with a groove (22) matched with a lens of the projector (2), and a rubber pad is connected in the groove (22) in an adhering mode.