Multimedia distance education training teaching device

Abstract

The utility model relates to the field, in particular to a multimedia distance education training teaching device which comprises a top plate, one side of the top plate is fixedly connected with a fixing plate, the bottom of the fixing plate is provided with a first transmission mechanism, one side of the bottom of the top plate is provided with a fourth transmission mechanism, and the other side of the bottom of the top plate is provided with a third transmission mechanism. A blackboard frame is arranged at the lower end of the third transmission mechanism, a blackboard and a projection plate are arranged in the blackboard frame, a second transmission mechanism is arranged at the lower end of the blackboard frame, the first transmission mechanism comprises a double-shaft motor, the top of the double-shaft motor is fixedly connected to the bottom of a fixing plate, and a rotating rod is fixedly connected to the end of an output shaft of the double-shaft motor; the first transmission mechanism drives the third transmission mechanism and the fourth transmission mechanism to enable the projector and the projection board to move synchronously, meanwhile, the second transmission mechanism fixedly connected to the lower end enables the blackboard at the upper end and the projection board to move in a staggered mode, and the problem that people on the two sides cannot see clearly is solved.

Description

Technical Field

[0001] The utility model relates to the field of education and training, in particular to a multimedia remote education and training teaching device. Background Art

[0002] Education and training is an institution or online learning system that has gradually emerged in recent years to integrate knowledge and educational resources into information technology. Education and training requires the use of computer multimedia equipment to teach students. Computer multimedia technology is the fastest-growing and most active technology in today's information technology field. It is the focus of development and competition of the new generation of electronic technology. Multimedia technology integrates multiple functions such as computers, sounds, texts, images, animations, videos and communications. With the help of the increasingly popular high-speed information network, it can realize the global networking of computers and the sharing of information resources. Therefore, it is widely used in consulting services, books, education, communications, military, finance, medical care and many other industries, and is subtly changing the face of our lives. Teachers can use computer multimedia equipment to provide education and training to students in different locations.

[0003] The announcement number is CN218241126U, a computer multimedia remote education training teaching device, the utility model discloses a computer multimedia remote education training teaching device, including a shell, a servo motor is arranged on the outer wall of one side of the shell, a rotating shaft is arranged on the output end of the servo motor, a gear is arranged on one end of the rotating shaft, a projection cloth is arranged on the outer wall of the rotating shaft, a connecting plate is arranged on the outer wall of the shell, a positioning shaft is arranged on the top of the shell, a first screw rod is arranged in the groove on the top of the shell, a transmission belt is arranged on one end of the first screw rod, and a moving block is arranged on the outer wall of the first screw rod. The utility model uses rollers, the number of rollers is set to two, and the distance between the two rollers is equal to the thickness of the projection cloth, so that the outer wall of the roller can roll on the outer wall of the projection cloth during the lifting and lowering of the projection cloth, so that the dust attached to the surface of the projection cloth can be wiped, and the image display is not clear due to the large amount of dust attached to the surface of the projection cloth during long-term use.

[0004] However, in the implementation of the relevant technology, it is found that the computer multimedia remote education and training teaching device has the following problems: the position projected by the device can only be displayed at a fixed position, which will cause the personnel on both sides to be unable to see clearly. Utility Model Content

[0005] The utility model provides a multimedia remote education and training teaching device with an air shower room having a multi-faceted air blowing mechanism, which solves the problem that the position projected by the device can only be displayed at a fixed position, which causes unclear viewing for people on both sides.

[0006] The technical solution of the utility model is as follows:

[0007] A multimedia remote education training teaching device comprises a top plate, a fixed plate is fixedly connected to one side of the top plate, a first transmission mechanism is arranged at the bottom of the fixed plate, a fourth transmission mechanism is arranged at one side of the bottom of the top plate, a third transmission mechanism is arranged at the other side of the bottom of the top plate, a blackboard frame is arranged at the lower end of the third transmission mechanism, a blackboard and a projection board are arranged inside the blackboard frame, and a second transmission mechanism is arranged at the lower end of the blackboard frame;

[0008] The first transmission mechanism comprises a dual-axis motor, the top of the dual-axis motor is fixedly connected to the bottom of the fixed plate, the output shaft ends of both ends of the dual-axis motor are fixedly connected to rotating rods, and the ends of the two rotating rods are fixedly connected to first bevel gears.

[0009] Preferably, the fourth transmission mechanism includes a second sliding frame, the top of the second sliding frame is fixedly connected to one side of the bottom of the top plate, and a first groove is opened inside the second sliding frame, a sliding rod is installed inside the second sliding frame through the first groove, a second threaded rod is arranged inside the second sliding frame through a bearing, and the second threaded rod passes through the sliding rod, one end of the second threaded rod is fixedly connected to a third bevel gear, and the first bevel gear and the third bevel gear are meshed with each other, and a projector is fixedly connected to the bottom of the sliding rod.

[0010] Preferably, the sliding rod forms a sliding structure on the second sliding frame through the second threaded rod.

[0011] Preferably, the third transmission mechanism includes a first sliding frame, the top of the first sliding frame is fixedly connected to the other side of the bottom of the top plate, and a second groove is opened inside the first sliding frame, a sliding plate is installed inside the first sliding frame through the second groove, a first threaded rod is arranged inside the first sliding frame through a bearing, and the first threaded rod passes through the sliding plate, one end of the first threaded rod is fixedly connected to a second bevel gear, and the first bevel gear and the second bevel gear are meshed with each other.

[0012] Preferably, a blackboard frame is fixedly connected to the lower end of the third transmission mechanism, and the bottom of the sliding plate inside the third transmission mechanism is fixedly connected to the projection board inside the blackboard frame, and the blackboard and the projection board are installed in a rectangular groove opened inside the blackboard frame.

[0013] Preferably, the second transmission mechanism includes a first rack and a second rack, the top of the first rack is connected to the bottom of the projection board, the top of the second rack is connected to the bottom of the blackboard, two spur gears are meshed between the first rack and the second rack, and the tops of the two spur gears are fixedly connected to the bottom of the blackboard frame through an axle rod.

[0014] Preferably, a dust cover is installed at the lower end of the blackboard frame, and the second transmission mechanism is arranged inside the dust cover.

[0015] Preferably, the sliding plate forms a sliding structure on the first sliding frame through a first threaded rod.

[0016] The working principle and beneficial effects of the utility model are:

[0017] 1. Start the dual-axis motor to drive the first transmission mechanism to rotate. The first bevel gears at both ends engage with the second bevel gear and the third bevel gear to drive the first threaded rod and the second threaded rod to rotate, thereby pushing the sliding rod and the sliding plate to make the projector and the projection board move synchronously. At the same time, the first rack fixed at the lower end moves to push the spur gear to rotate and further push the second rack to move, so that the blackboard at the upper end and the projection board move out of position, which can cause the projection board to slide left and right, solving the problem that the position projected by the device can only be displayed at a fixed position, which will cause people on both sides to see unclearly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a front view of the overall structure of the utility model;

[0020] Figure 2 It is a bottom view of the overall structure of the utility model;

[0021] Figure 3 It is a top sectional view of the overall structure of the utility model;

[0022] Figure 4 It is a side sectional view of the overall structure of the utility model.

[0023] In the figure: 1. first transmission mechanism; 101. dual-axis motor; 102. rotating rod; 103. first bevel gear; 2. second transmission mechanism; 201. first rack; 202. second rack; 203. spur gear; 3. third transmission mechanism; 301. sliding plate; 302. first sliding frame; 303. first threaded rod; 304. second bevel gear; 4. fourth transmission mechanism; 401. projector; 402. sliding rod; 403. second threaded rod; 404. second sliding frame; 405. third bevel gear; 5. top plate; 6. blackboard frame; 7. fixed plate; 8. blackboard; 9. projection board. DETAILED DESCRIPTION

[0024] The following will be combined with 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 of 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.

[0025] Example 1

[0026] like Figure 1 to Figure 4 As shown, this embodiment proposes a multimedia remote education training teaching device, including a top plate 5, a fixed plate 7 is fixedly connected to one side of the top plate 5, a first transmission mechanism 1 is arranged at the bottom of the fixed plate 7, a fourth transmission mechanism 4 is arranged at one side of the bottom of the top plate 5, a third transmission mechanism 3 is arranged at the other side of the bottom of the top plate 5, a blackboard frame 6 is arranged at the lower end of the third transmission mechanism 3, a blackboard 8 and a projection board 9 are arranged inside the blackboard frame 6, a second transmission mechanism 2 is arranged at the lower end of the blackboard frame 6, the first transmission mechanism 1 includes a double-axis motor 101, the top of the double-axis motor 101 is fixedly connected to the bottom of the fixed plate 7, the output shaft ends of both ends of the double-axis motor 101 are fixedly connected to rotating rods 102, and the ends of the two rotating rods 102 are fixedly connected to first bevel gears 103, the fourth transmission mechanism 4 includes a second sliding frame 404, the top of the second sliding frame 404 is fixedly connected to the top plate 5, and a first groove is provided inside the second sliding frame 404, a sliding rod 402 is installed inside the second sliding frame 404 through the first groove, a second threaded rod 403 is provided inside the second sliding frame 404 through a bearing, and the second threaded rod 403 penetrates the sliding rod 402, a third bevel gear 405 is fixedly connected to one end of the second threaded rod 403, and the first bevel gear 103 and the third bevel gear 405 are meshed with each other, a projector 401 is fixedly connected to the bottom of the sliding rod 402, and the sliding rod 402 forms a sliding structure on the second sliding frame 404 through the second threaded rod 403, the rotating rod 102 and the first bevel gear 103 are driven to rotate by the dual-axis motor 101, and the first bevel gear 103 and the third bevel gear 405 are meshed with each other to push the second threaded rod 403 to rotate, thereby pushing the projector 401 and the sliding rod 402 to slide.

[0027] Furthermore, the third transmission mechanism 3 includes a first sliding frame 302, the top of the first sliding frame 302 is fixedly connected to the other side of the bottom of the top plate 5, and a second groove is opened inside the first sliding frame 302, a sliding plate 301 is installed inside the first sliding frame 302 through the second groove, a first threaded rod 303 is arranged inside the first sliding frame 302 through a bearing, and the first threaded rod 303 passes through the sliding plate 301, one end of the first threaded rod 303 is fixedly connected to the second bevel gear 304, and the first bevel gear 103 and the second bevel gear 304 are meshed with each other, the lower end of the third transmission mechanism 3 is fixedly connected to the blackboard frame 6, and the bottom of the sliding plate 301 inside the third transmission mechanism 3 is fixedly connected to the projection board 9 inside the blackboard frame 6, the blackboard 8 and the projection board 9 are installed in the rectangular groove opened inside the blackboard frame 6, the second transmission mechanism 2 includes a first rack 201 and a second rack 202, the first rack 201 Two spur gears 203 are meshed between the top and the bottom of the projection board 9, the top of the second rack 202 and the bottom of the blackboard 8, and the first rack 201 and the second rack 202, and the tops of the two spur gears 203 are fixedly connected to the bottom of the blackboard frame 6 through an axle rod, a dust cover is installed at the lower end of the blackboard frame 6, and the second transmission mechanism 2 is arranged inside the dust cover, the sliding plate 301 forms a sliding structure in the first sliding frame 302 through the first threaded rod 303, and the rotating rod 102 and the first bevel gear 103 are driven to rotate by the dual-axis motor 101, and the first bevel gear 103 and the second bevel gear 304 are meshed with each other to push the first threaded rod 303 to rotate, thereby pushing the projection board 9 to slide, and at the same time, the first rack 201 fixed at the lower end moves to push the spur gear 203 to rotate and further push the second rack 202 to move, so that the upper blackboard 8 and the projection board 9 are dislocated and moved, so that the projection board 9 can slide left and right.

[0028] The working principle and use process of the utility model are as follows: the dual-axis motor 101 is started to drive the first transmission mechanism 1 to rotate, and the first bevel gears 103 at both ends drive the first threaded rod 303 and the second threaded rod 403 to rotate by meshing with the second bevel gear 304 and the third bevel gear 405, thereby pushing the sliding rod 402 and the sliding plate 301 to make the projector 401 and the projection board 9 move synchronously, and at the same time, the first rack 201 fixed at the lower end moves to push the spur gear 203 to rotate and further push the second rack 202 to move, so that the upper blackboard 8 and the projection board 9 move in an offset manner, and the projection board 9 can slide left and right.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A multimedia remote education and training teaching device, comprising a top plate (5), characterized in that: A fixing plate (7) is fixedly connected to one side of the top plate (5); a first transmission mechanism (1) is arranged at the bottom of the fixing plate (7); a fourth transmission mechanism (4) is arranged at one side of the bottom of the top plate (5); a third transmission mechanism (3) is arranged at the other side of the bottom of the top plate (5); a blackboard frame (6) is arranged at the lower end of the third transmission mechanism (3); a blackboard (8) and a projection board (9) are arranged inside the blackboard frame (6); and a second transmission mechanism (2) is arranged at the lower end of the blackboard frame (6); The first transmission mechanism (1) comprises a dual-axis motor (101), the top of the dual-axis motor (101) is fixedly connected to the bottom of the fixed plate (7), the ends of the output shafts at both ends of the dual-axis motor (101) are fixedly connected to rotating rods (102), and the ends of the two rotating rods (102) are fixedly connected to first bevel gears (103).

2. A multimedia remote education and training teaching device according to claim 1, characterized in that: The fourth transmission mechanism (4) comprises a second sliding frame (404), the top of the second sliding frame (404) is fixedly connected to one side of the bottom of the top plate (5), and a first groove is provided inside the second sliding frame (404), a sliding rod (402) is installed inside the second sliding frame (404) through the first groove, a second threaded rod (403) is provided inside the second sliding frame (404) through a bearing, and the second threaded rod (403) passes through the sliding rod (402), one end of the second threaded rod (403) is fixedly connected to a third bevel gear (405), and the first bevel gear (103) and the third bevel gear (405) are meshed with each other, and a projector (401) is fixedly connected to the bottom of the sliding rod (402).

3. A multimedia remote education and training teaching device according to claim 2, characterized in that: The sliding rod (402) forms a sliding structure on the second sliding frame (404) through the second threaded rod (403).

4. A multimedia remote education and training teaching device according to claim 1, characterized in that: The third transmission mechanism (3) comprises a first sliding frame (302), the top of the first sliding frame (302) is fixedly connected to the other side of the bottom of the top plate (5), and a second groove is provided inside the first sliding frame (302), a sliding plate (301) is installed inside the first sliding frame (302) through the second groove, a first threaded rod (303) is provided inside the first sliding frame (302) through a bearing, and the first threaded rod (303) passes through the sliding plate (301), one end of the first threaded rod (303) is fixedly connected to a second bevel gear (304), and the first bevel gear (103) and the second bevel gear (304) are meshed with each other.

5. A multimedia remote education and training teaching device according to claim 1, characterized in that: The lower end of the third transmission mechanism (3) is fixedly connected to a blackboard frame (6), and the bottom of the sliding plate (301) inside the third transmission mechanism (3) is fixedly connected to the projection board (9) inside the blackboard frame (6), and the blackboard (8) and the projection board (9) are installed in a rectangular groove opened inside the blackboard frame (6).

6. A multimedia remote education and training teaching device according to claim 1, characterized in that: The second transmission mechanism (2) comprises a first rack (201) and a second rack (202), wherein the top of the first rack (201) is connected to the bottom of the projection board (9), and the top of the second rack (202) is connected to the bottom of the blackboard (8), and two spur gears (203) are meshed between the first rack (201) and the second rack (202), and the tops of the two spur gears (203) are fixedly connected to the bottom of the blackboard frame (6) via an axle rod.

7. A multimedia remote education and training teaching device according to claim 1, characterized in that: A dust cover is installed at the lower end of the blackboard frame (6), and the second transmission mechanism (2) is arranged inside the dust cover.

8. A multimedia remote education and training teaching device according to claim 4, characterized in that: The sliding plate (301) forms a sliding structure on the first sliding frame (302) through the first threaded rod (303).

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